JP2002279879A - Time switch - Google Patents
Time switchInfo
- Publication number
- JP2002279879A JP2002279879A JP2001082647A JP2001082647A JP2002279879A JP 2002279879 A JP2002279879 A JP 2002279879A JP 2001082647 A JP2001082647 A JP 2001082647A JP 2001082647 A JP2001082647 A JP 2001082647A JP 2002279879 A JP2002279879 A JP 2002279879A
- Authority
- JP
- Japan
- Prior art keywords
- cam
- switch
- lever
- separation
- stop
- 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.)
- Granted
Links
- 238000000926 separation method Methods 0.000 claims description 49
- 230000007246 mechanism Effects 0.000 claims description 17
- 230000009471 action Effects 0.000 claims description 5
- 230000000452 restraining effect Effects 0.000 claims description 4
- 239000013013 elastic material Substances 0.000 claims description 2
- 238000005406 washing Methods 0.000 abstract description 9
- 239000011347 resin Substances 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 6
- 238000000465 moulding Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 241000272814 Anser sp. Species 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H43/00—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed
- H01H43/10—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed with timing of actuation of contacts due to a part rotating at substantially constant speed
- H01H43/101—Driving mechanisms
- H01H43/102—Driving mechanisms using a pawl and ratchet wheel mechanism
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H43/00—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed
- H01H43/10—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed with timing of actuation of contacts due to a part rotating at substantially constant speed
- H01H43/103—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed with timing of actuation of contacts due to a part rotating at substantially constant speed stopping automatically after one preselected time interval
- H01H43/104—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed with timing of actuation of contacts due to a part rotating at substantially constant speed stopping automatically after one preselected time interval by mechanical coupling device
Landscapes
- Toys (AREA)
- Control Of Washing Machine And Dryer (AREA)
- Push-Button Switches (AREA)
- Switches With Compound Operations (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は周期的に二回路を交
互に切り換えるようにプログラムされたタイムスイッチ
に係わり、特に洗濯機に好適なタイマーの構造に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a time switch programmed to alternately switch two circuits periodically, and more particularly to a timer structure suitable for a washing machine.
【0002】[0002]
【従来の技術】従来、洗濯機用反転タイムスイッチ10
0は、図7に示されるように、洗濯槽を定期的に逆転さ
せる反転時間を制御する反転スイッチ101と、洗濯全
時間を制御するメインスイッチ102の二種類のスイッ
チで構成されている。ゼンマイ式タイマー機構Tのゼン
マイ蓄勢力で駆動される反転カム101aによって動作
する反転レバー101bが反転スイッチ101を開閉
し、設定した時間の終了時において、同様にゼンマイ駆
動で回転する主軸103に組込まれた停止カム104の
低段部104aに板バネ105で付勢されている停止用
接片部材105bが陥入したとき、板バネ105に設け
られた可動接点106aが固定接点106bから離れ、
メインスイッチ102がオフとなる構成である。2. Description of the Related Art Conventionally, a reversing time switch 10 for a washing machine.
0, as shown in FIG. 7, comprises two types of switches: an inversion switch 101 for controlling an inversion time for periodically inverting the washing tub, and a main switch 102 for controlling the entire washing time. A reversing lever 101b operated by a reversing cam 101a driven by a mainspring accumulating force of a mainspring type timer mechanism T opens and closes a reversing switch 101, and is incorporated into a main shaft 103 which is also rotated by the mainspring drive at the end of a set time. When the stop contact member 105b urged by the leaf spring 105 enters the low step portion 104a of the stop cam 104, the movable contact 106a provided on the leaf spring 105 separates from the fixed contact 106b,
In this configuration, the main switch 102 is turned off.
【0003】[0003]
【発明が解決しようとする課題】しかしながら、洗濯機
に適用されているこの従来例においては、端子107
a,107bが直接インサートモールドによって端子台
108の近接位置に配設されているので、水や繊維屑な
どが集積して不測の短絡(トラッキング)を生じ、出火
の要因となる可能性を含む。このため、端子台108の
耐熱性を強化したり難燃性にしたりする配慮が必要とな
るが、これでトラッキングが解消されるわけではない。
また、二種類のスイッチを内蔵するため、製造コストが
割高となることは避けられない。However, in this conventional example applied to a washing machine, the terminal 107 is not used.
Since a and 107b are arranged directly near the terminal block 108 by insert molding, there is a possibility that water or fiber debris accumulates to cause an unexpected short circuit (tracking), which may cause a fire. For this reason, consideration must be given to strengthening the heat resistance of the terminal block 108 and making it flame-retardant, but this does not necessarily eliminate tracking.
In addition, since two types of switches are built in, it is inevitable that the manufacturing cost is increased.
【0004】そこで本発明の目的は、反転スイッチとメ
インスイッチを一つのスイッチに集成してトラッキング
を解消して安全なタイムスイッチを提供すると共に製造
コストを低減することにある。SUMMARY OF THE INVENTION It is an object of the present invention to provide a safe time switch by eliminating the tracking by integrating an inversion switch and a main switch into one switch, and to reduce the manufacturing cost.
【0005】[0005]
【課題を解決するための手段】上記の目的を達成するた
めに、本発明に係わるタイムスイッチは、基本的に、所
定動作のスイッチングを行うスイッチ部材を作動するス
イッチレバーと、このスイッチレバーを作動する動作カ
ムと、この動作カムと別体で、前記スイッチレバーを前
記動作カムから離間させて前記スイッチ部材をオフ状態
に維持する離間レバーと、この離間レバーを作動する離
間カムと、前記動作カムおよび前記離間カムの作動時間
を設定するタイマー機構とを有する。In order to achieve the above object, a time switch according to the present invention basically comprises a switch lever for operating a switch member for switching a predetermined operation, and an actuation of the switch lever. An operation cam, a separation lever that separates the switch lever from the operation cam to maintain the switch member in an off state, a separation cam that operates the separation lever, and the operation cam that are separate from the operation cam. And a timer mechanism for setting the operation time of the separation cam.
【0006】そして、前記タイマー機構により設定され
た作動時間の終了時点において、前記離間カムで前記離
間レバーを動作させ、前記スイッチレバーを前記動作カ
ムから離間させることにより、前記スイッチ部材をオフ
状態にして所定動作を終了させる。このように所定動作
のスイッチングを行うスイッチ部材で終了スイッチを兼
用することで構成の簡略化と部品点数の削減が行われ
る。At the end of the operation time set by the timer mechanism, the separation lever is operated by the separation cam and the switch lever is separated from the operation cam to turn off the switch member. To terminate the predetermined operation. In this way, by using the switch member that performs switching of the predetermined operation as the end switch, the configuration is simplified and the number of components is reduced.
【0007】このようなタイムスイッチは、前記動作カ
ムと前記離間カムの動作を一つの駆動源によって駆動
し、しかも駆動源にはゼンマイを使用した。また、前記
タイマー機構は、ゼンマイの弛緩速度を調速する調速手
段と、設定された動作時間の終了時点において前記調速
手段を拘束し、全ての動作を停止させる停止手段とを持
つ。ゼンマイのように出力トルクが弱く、ゼンマイが動
作の途中で停止してしまうという不具合が懸念される場
合、終了スイッチを設けないことは、このスイッチを作
動させるための負荷が減少するので有利である。In such a time switch, the operation of the operation cam and the separation cam is driven by one drive source, and a spring is used as the drive source. Further, the timer mechanism has a speed adjusting means for adjusting a relaxation speed of the mainspring, and a stopping means for restraining the speed adjusting means at the end of a set operation time and stopping all operations. If the output torque is weak, such as a mainspring, and there is a concern that the mainspring will stop in the middle of operation, not providing an end switch is advantageous because the load for operating this switch is reduced. .
【0008】さらに、この停止手段は前記離間カムと同
軸上に設けられた停止カムと、この停止カムの作用で前
記調速手段を拘束する停止用接片部材とからなり、この
停止用接片部材を導電性のある弾性材料で構成して、延
在部分を一方の外部接続給電端子とする。The stop means comprises a stop cam provided coaxially with the separation cam and a stop piece member for restraining the speed adjusting means by the action of the stop cam. The member is made of a conductive elastic material, and the extended portion is used as one external connection power supply terminal.
【0009】前記所定動作のスイッチングを行うスイッ
チ部材は、可動接点板と固定接点板とで構成して、時間
設定操作主軸を介して前記停止用接片部材の反対側に配
設し、前記外部接続給電端子から前記固定接点板に通電
する固定回路を設けた。固定接点板の外部接続給電端子
と可動接点板の外部接続給電端子とが離間位置に配設さ
れるのでトラッキングが解消される。The switch member for switching the predetermined operation is constituted by a movable contact plate and a fixed contact plate, and is disposed on the opposite side of the stop contact member via a time setting operation main shaft. A fixed circuit for supplying electricity to the fixed contact plate from a connection power supply terminal was provided. Tracking is eliminated because the externally connected power supply terminal of the fixed contact plate and the externally connected power supply terminal of the movable contact plate are arranged at separate positions.
【0010】[0010]
【発明の実施の形態】以下に、本発明に係わるタイムス
イッチの実施の形態を図面に基づいて説明する。図1は
本発明に係わるタイムスイッチ10の平面図で、図2は
図1のII−II線に沿って展開した断面図、図3は分解斜
視図である。タイムスイッチ10は、機構部を収納して
支持する樹脂製第一機枠11と、駆動源となるゼンマイ
12を収納する香箱13を形成した第二機枠14が互い
の外縁を嵌合して形成する箱体によって外郭が画定され
(図2参照)、第一機枠11に形成した防水壁111を
隔てて電気配線の外部接続端子112,113,114
が配置されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a time switch according to the present invention will be described below with reference to the drawings. FIG. 1 is a plan view of a time switch 10 according to the present invention, FIG. 2 is a sectional view developed along a line II-II in FIG. 1, and FIG. 3 is an exploded perspective view. The time switch 10 is configured such that a first resin frame 11 that houses and supports a mechanical unit and a second machine frame 14 that forms a barrel 13 that houses a mainspring 12 serving as a driving source are fitted with each other at their outer edges. An outer shell is defined by a box to be formed (see FIG. 2), and external connection terminals 112, 113, 114 of electric wiring are separated by a waterproof wall 111 formed on the first machine casing 11.
Is arranged.
【0011】また、第一機枠11のほぼ中央には、主軸
15を軸支する軸受孔116が貫通し、軸受孔116の
外周に停止カム16を回動自在に支持する軸受ボス11
7が内側に突出する。主軸15の一方の端部は、軸受孔
116から紙面下方に挿通されて第一機枠11外部に突
出し時間設定用の摘み(図示しない)が装着される。主
軸15の他方の端部は、紙面上部側で第二機枠14に軸
支され、この端部近傍に樹脂製の主歯車17が摩擦結合
され摩擦力の範囲内で回転力の伝達が行われる。A bearing hole 116 for pivotally supporting the main shaft 15 extends through substantially the center of the first machine casing 11, and a bearing boss 11 for rotatably supporting the stop cam 16 on the outer periphery of the bearing hole 116.
7 protrude inward. One end of the main shaft 15 is inserted through the bearing hole 116 below the paper surface, protrudes to the outside of the first machine casing 11, and has a time setting knob (not shown). The other end of the main shaft 15 is rotatably supported by the second machine casing 14 at the upper side of the paper surface, and a resin main gear 17 is frictionally connected to the vicinity of this end, so that torque can be transmitted within the range of frictional force. Will be
【0012】すなわち、主歯車17には内側に突出部1
71を持つ係合凹部172が形成され、摩擦力を超える
回転力は、主軸15に固定した摩擦板173の突起17
4が主歯車17の突出部171に当接したときのみ回転
の伝達が行われる摩擦クラッチを形成している。主歯車
17のボス部に設けた鉤部をゼンマイ12の始端部に穿
設した透孔に掛止して主歯車17を介してゼンマイ12
と主軸15とを結合する。That is, the main gear 17 has the protruding portion 1
An engaging concave portion 172 having a friction member 71 is formed.
4 forms a friction clutch that transmits rotation only when it comes into contact with the protrusion 171 of the main gear 17. The hook provided on the boss of the main gear 17 is engaged with a through-hole formed at the start end of the mainspring 12, and
And the main shaft 15.
【0013】主歯車17に噛合する樹脂製ピニオン18
は、一体に形成された弾性腕先端のラチェット爪をピニ
オン18と同軸の樹脂製大歯車19のラチェット内歯に
係合して一方向クラッチを形成する。すなわち、主軸1
5でゼンマイ12を巻き込んで蓄勢するときは、ピニオ
ン18の回転力は大歯車19に伝達されず、ゼンマイ1
2の付勢力で主軸15を逆向きに回転させるときは、ピ
ニオン18の回転力は大歯車19に伝達される。A resin pinion 18 meshing with the main gear 17
Engages the ratchet pawl at the tip of the elastic arm integrally formed with the ratchet internal teeth of the resin large gear 19 coaxial with the pinion 18 to form a one-way clutch. That is, the spindle 1
5, when the spring 12 is wound up and stored, the rotational force of the pinion 18 is not transmitted to the large gear 19,
When the main shaft 15 is rotated in the opposite direction by the urging force of 2, the rotational force of the pinion 18 is transmitted to the large gear 19.
【0014】ゼンマイ12の蓄勢力が主歯車17を介し
てピニオン18をゼンマイの巻き込み方向とは逆向きに
ゆっくり回転駆動するときは、増速歯車列20を介して
樹脂製雁木車22を高速回転させる。雁木車22のラチ
ェットには、第一機枠11に立設した軸118に旋回可
能に支持され、慣性振子23と一体のアンクル24が係
合する。慣性振子23は、雁木車22の一方向への回転
により往復回動させられ、上記増速歯車列20および主
軸15がゼンマイ12の巻き戻り方向に回転する速度を
一定に調節する。すなわち、大歯車19、増速歯車列2
0、雁木車22、慣性振子23によってタイマー機構2
5を形成している。When the accumulating force of the mainspring 12 slowly drives the pinion 18 via the main gear 17 in the direction opposite to the winding direction of the mainspring, the resin gear 22 is driven at a high speed via the speed increasing gear train 20. Rotate. The ratchet of the gantry 22 is rotatably supported by a shaft 118 erected on the first machine frame 11 and engages with an inertia pendulum 23 and an integrated pallet 24. The inertial pendulum 23 is reciprocated by rotation in one direction of the goose wheel 22 to adjust the speed at which the speed-up gear train 20 and the main shaft 15 rotate in the direction in which the mainspring 12 rewinds. That is, the large gear 19 and the speed increasing gear train 2
0, gangi wheel 22, and inertia pendulum 23, timer mechanism 2
5 are formed.
【0015】一方、大歯車19が噛合する増速歯車列2
0の第一歯車201には、動作カム26が同軸上で連結
され、第一歯車201と一体で回転する。動作カム26
は、外周にそれぞれ異なった高低パターンをもつ四層の
円筒カム261,262,263,264を軸方向に積
層する多層カムで、樹脂の一体成形で作られる(図2お
よび図3参照)。On the other hand, the speed increasing gear train 2 with which the large gear 19 meshes
The operation cam 26 is coaxially connected to the 0 first gear 201 and rotates integrally with the first gear 201. Operation cam 26
Is a multi-layer cam in which four layers of cylindrical cams 261, 262, 263, 264 having different height patterns on the outer periphery are laminated in the axial direction, and is formed by integral molding of resin (see FIGS. 2 and 3).
【0016】このうち円筒カム261,263は、外周
面が位相を60°ずらした同形の高低パターンで対をな
す第一円筒カム対で、円筒カム262,264は外周面
が位相を60°ずらした同形の高低パターンで対をなす
第二円筒カム対である。第一円筒カム対261,263
の高低パターンは、三等分された外周面の大半が高段部
で、残り三か所が低段部となる。また、第二円筒カム対
262,264の高低パターンは、三等分された外周面
のそれぞれについて、約半分が高段部で残り約半分が低
段部に形成される。しかも、円筒カム261,262が
同位相に、また円筒カム263,264が同位相に形成
される。Among them, the cylindrical cams 261 and 263 are first cylindrical cam pairs whose outer peripheral surfaces are paired in the same height pattern whose phase is shifted by 60 °. Cylindrical cams 262 and 264 have outer peripheral surfaces whose phase is shifted by 60 °. This is a second pair of cylindrical cams that form a pair with the same shape of height pattern. First cylindrical cam pair 261 and 263
In the height pattern, most of the equally divided outer peripheral surface is a high step portion, and the remaining three portions are low step portions. In the height pattern of the second pair of cylindrical cams 262 and 264, about half of the outer peripheral surface divided into three equal portions is formed in a high step portion and the remaining half is formed in a low step portion. In addition, the cylindrical cams 261 and 262 are formed in the same phase, and the cylindrical cams 263 and 264 are formed in the same phase.
【0017】第一機枠11には、弾性を有すると共に所
定動作のスイッチングを行うスイッチ部材を構成する複
数の接点板27,28,29の基部を固定した端子台1
15a,115bが圧入により固定されている。接点板
29は固定接点板で、先端部は他の接点板27,28を
幅方向に横切る向きに直角に曲げられ、各接点板27,
28と対向する位置に二つの接点291が固着されてい
る。接点板27,28は可動接点板で、先端部には固定
接点291のそれぞれと接触可能な接点271,281
が固着されている(図1および図3参照)。The first machine frame 11 has a terminal block 1 to which a base of a plurality of contact plates 27, 28, 29 constituting an elastic and switch member for switching a predetermined operation is fixed.
15a and 115b are fixed by press fitting. The contact plate 29 is a fixed contact plate, and the tip is bent at a right angle in a direction crossing the other contact plates 27 and 28 in the width direction.
Two contact points 291 are fixed at a position facing 28. The contact plates 27 and 28 are movable contact plates.
Are fixed (see FIGS. 1 and 3).
【0018】動作カム26の第一円筒カム対261,2
63および第二円筒カム対262,264の上段側の円
筒カム261,262のいずれかには第一カムフォロア
を構成するスイッチレバー30先端の従動部301が選
択的に摺接し、下段側の円筒カム263,264のいず
れかには第二カムフォロアを構成するスイッチレバー3
1先端の従動部311が選択的に摺接する。各従動部3
01,311が、動作カム26の第一円筒カム対26
1,263または第二円筒カム対262,264のいず
れに摺接するかは、後述するカム面切換手段によって選
択される。すなわち、従動部301が円筒カム261に
臨むときは、必ず従動部311は円筒カム263に臨
み、従動部301が円筒カム262に臨むときは、必ず
従動部311は円筒カム264に臨む。The first cylindrical cam pair 261 and 262 of the operation cam 26
The driven portion 301 at the tip of the switch lever 30 constituting the first cam follower selectively slides on one of the upper cylindrical cams 261 and 262 of the pair 63 and the second cylindrical cam pair 262 and 264. 263, 264, the switch lever 3 constituting the second cam follower
The driven portion 311 at one end selectively slides. Each driven part 3
01 and 311 are the first cylindrical cam pair 26 of the operation cam 26.
Which of the pair of cylinders 1 and 263 and the pair of second cylindrical cams 262 and 264 is in sliding contact is selected by a cam surface switching unit described later. That is, when the driven portion 301 faces the cylindrical cam 261, the driven portion 311 always faces the cylindrical cam 263, and when the driven portion 301 faces the cylindrical cam 262, the driven portion 311 always faces the cylindrical cam 264.
【0019】各スイッチレバー30,31は、基部30
2,312に形成した軸孔が第一機枠11に立設したレ
バー軸119に遊嵌され、動作カム26の回転に従動し
てレバー軸119を中心に個別に揺動する。各スイッチ
レバー30,31には、それぞれ従動部301,311
の反対側に接点板操作部303,313が突設され、ス
イッチレバー30,31が動作カム26に従動して揺動
するとき、各接点板操作部303,313が各可動接点
板27,28を押動する。Each of the switch levers 30 and 31 is
The shaft holes formed in 2 and 312 are loosely fitted to the lever shaft 119 erected on the first machine casing 11, and individually swing around the lever shaft 119 following the rotation of the operation cam 26. Each of the switch levers 30 and 31 has a driven portion 301 and 311 respectively.
When the switch levers 30 and 31 swing by following the operation cam 26, the contact plate operation units 303 and 313 move the movable contact plates 27 and 28, respectively. To push.
【0020】従動部301,311のいずれかが動作カ
ムの低段部に臨むときは、連動している可動接点板2
7,28の接点271,281のいずれかが固定接点2
91と接触して電気回路は閉成されるが、スイッチレバ
ー30,31の従動部301,311が動作カム26の
低段部に同時に臨むことはない。また、従動部301,
311が動作カムの高段部に臨むときは、連動している
可動接点板27,28の接点271,281は固定接点
291から離間して電気回路は開成される。When one of the driven parts 301 and 311 faces the lower step of the operation cam, the movable contact plate 2
One of the contacts 271 and 281 is a fixed contact 2
Although the electric circuit is closed by contact with 91, the driven portions 301 and 311 of the switch levers 30 and 31 do not face the low step portion of the operation cam 26 at the same time. In addition, the driven parts 301,
When 311 faces the high step of the operation cam, the contacts 271 and 281 of the linked movable contact plates 27 and 28 are separated from the fixed contact 291 to open the electric circuit.
【0021】各スイッチレバー30,31には動作カム
26側を凹面とする湾曲部304,314が形成され、
この凹面側にそれぞれ係合突部305,315が突設さ
れている。一方、各スイッチレバー30,31の基部3
02,312を嵌装するように保持カバー32がレバー
軸119に外挿され、基部302,312は、保持カバ
ー32の上端板321および下端板322に挟持される
(図2参照)。保持カバー32の外周面は一部が切り欠
かれてレバー窓323が形成され、基部302,312
が挿入されて嵌着されているスイッチレバー30,31
は、このレバー窓323から延在する。レバー窓323
はスイッチレバー30,31の揺動に干渉しないように
形成される。Curved portions 304, 314 having concave surfaces on the operation cam 26 side are formed on the switch levers 30, 31, respectively.
Engagement protrusions 305 and 315 are provided on the concave side, respectively. On the other hand, the base 3 of each switch lever 30, 31
The holding cover 32 is externally inserted into the lever shaft 119 so as to fit the 02 and 312, and the bases 302 and 312 are sandwiched between the upper end plate 321 and the lower end plate 322 of the holding cover 32 (see FIG. 2). The outer peripheral surface of the holding cover 32 is partially cut away to form a lever window 323, and the base portions 302 and 312 are formed.
Switch levers 30 and 31 into which are inserted and fitted
Extends from the lever window 323. Lever window 323
Are formed so as not to interfere with the swinging of the switch levers 30, 31.
【0022】レバー軸119は保持カバー32の下端板
322の下側において、扇形の平面形状をもつカム33
の円弧状長孔331を貫通している。カム33は、扇の
要に相当する部分に一体に形成した円柱状の軸部332
の下端部を、第一機枠11に一体に突設された軸支部1
20に遊嵌し、上端部を第二機枠14に設けた透孔を貫
通させることによって軸支部120を中心に回動可能に
支持される。しかも貫通させて第二機枠14より突出し
た軸部332の上端部には外部から手動操作することが
できる外部操作レバー34の基部が回り止めして嵌合固
着される(図3参照)。The lever shaft 119 is provided below the lower end plate 322 of the holding cover 32 with a cam 33 having a fan-shaped planar shape.
Through the arc-shaped long hole 331. The cam 33 has a cylindrical shaft portion 332 formed integrally with a portion corresponding to the pivot of the fan.
The lower end of the shaft support 1 that is integrally provided with the first machine casing 11
20 and is supported rotatably about the shaft support 120 by penetrating the upper end through a through hole provided in the second machine casing 14. In addition, a base of an external operation lever 34 that can be manually operated from the outside is prevented from rotating and fitted and fixed to an upper end of the shaft portion 332 that is penetrated and protrudes from the second machine frame 14 (see FIG. 3).
【0023】図2に示されるように、軸部332は、ス
イッチレバー30,31の湾曲部304,314の凹面
側に位置する。軸部332の外周には係合リブ334が
軸線方向に沿いかつ半径方向に突出させて形成されてい
る。係合リブ334は、外部操作レバー34を手動操作
して軸部332を回動させると、スイッチレバー30,
31の両係合突部305,315と同時に当接し、さら
なる回動で係合リブ334は両係合突部305,315
を押動してスイッチレバー30,31を同時に回動し、
従動部301,311が動作カム26との接触を断つ位
置まで一緒に離隔する。さらに、軸部332を回動させ
ることによって、両係合突部305,315は係合リブ
334から離間するので、スイッチレバー30,31は
可動接点板27,28の弾性付勢力によって回動し、従
動部301,311は動作カム26の円筒面に従動可能
な当接位置に復帰する。As shown in FIG. 2, the shaft portion 332 is located on the concave surface side of the curved portions 304, 314 of the switch levers 30, 31. An engagement rib 334 is formed on the outer periphery of the shaft portion 332 so as to extend along the axial direction and protrude in the radial direction. When the external operation lever 34 is manually operated to rotate the shaft portion 332, the engagement rib 334 causes the switch lever 30,
31 at the same time as the two engaging projections 305, 315, and by further rotation, the engaging rib 334 is brought into contact with the two engaging projections 305, 315.
To rotate the switch levers 30 and 31 simultaneously,
The driven portions 301 and 311 are separated from each other to a position where the driven portions 301 and 311 break contact with the operation cam 26. Further, by rotating the shaft portion 332, both the engagement protrusions 305, 315 are separated from the engagement rib 334, so that the switch levers 30, 31 are rotated by the elastic urging force of the movable contact plates 27, 28. Then, the driven portions 301 and 311 return to the contact positions where they can be driven by the cylindrical surface of the operation cam 26.
【0024】扇形カム33の先端縁部には、軸支部12
0を中心とする円弧に沿って長孔331が形成され、長
孔331をレバー軸119が貫通することによって、扇
形カム33の回転範囲が規制される。長孔331の周り
には軸方向の揚程をもつカム面335が形成されてい
る。カム面335は、両端に高低差があり高段部336
と低段部337とを中間の傾斜面338で円滑に連結し
ている。The end of the fan-shaped cam 33 has a shaft support 12
A long hole 331 is formed along an arc centered at 0, and the rotation range of the sector cam 33 is restricted by the lever shaft 119 passing through the long hole 331. A cam surface 335 having an axial lift is formed around the long hole 331. The cam surface 335 has a height difference at both ends and has a high step portion 336.
And the low step portion 337 are smoothly connected by an intermediate inclined surface 338.
【0025】保持カバー32の下端板322はカム面3
35に摺接し、保持カバー32の上端板321と第二機
枠14との間に介装された圧縮コイルバネ35の付勢力
によって圧接されている。外部操作レバー34を回動操
作すると、扇形カム33が一体的に回動し、保持カバー
32の下端板322が摺接するカム面335が傾斜面3
38を経て高段部336または低段部337に切り換え
られ、コイルバネ35と協働により保持カバー32およ
びこの保持カバー32内のスイッチレバー30,31が
レバー軸119に沿って上下動する。The lower end plate 322 of the holding cover 32 is
35, and is pressed by the urging force of a compression coil spring 35 interposed between the upper end plate 321 of the holding cover 32 and the second machine frame 14. When the external operation lever 34 is turned, the fan-shaped cam 33 turns integrally, and the cam surface 335 with which the lower end plate 322 of the holding cover 32 slides is inclined.
The switch is switched to the high step portion 336 or the low step portion 337 via 38, and the holding cover 32 and the switch levers 30 and 31 in the holding cover 32 move up and down along the lever shaft 119 in cooperation with the coil spring 35.
【0026】保持カバー32の下端板322が扇形カム
33の高段部336に当接しているときは、スイッチレ
バー30,31はコイルバネ35の付勢力に抗して上位
にあり、スイッチレバー30,31の従動部301,3
11は、動作カム26の第一円筒カム対261,263
にそれぞれ対峙する。また、保持カバー32の下端板3
22が扇形カム33の低段部337に当接しているとき
は、スイッチレバー30,31はコイルバネ35の付勢
力によって下位にあり、スイッチレバー30,31の従
動部301,311は動作カム26の第二円筒カム対2
62,264にそれぞれ対峙する。When the lower end plate 322 of the holding cover 32 is in contact with the high step portion 336 of the fan-shaped cam 33, the switch levers 30, 31 are on the upper side against the urging force of the coil spring 35, and 31 driven parts 301 and 3
11 is a first cylindrical cam pair 261 and 263 of the operation cam 26.
Confront each other. The lower end plate 3 of the holding cover 32
When the block 22 is in contact with the low step portion 337 of the sector cam 33, the switch levers 30 and 31 are at the lower position by the urging force of the coil spring 35, and the driven portions 301 and 311 of the switch levers 30 and 31 are 2nd cylindrical cam pair 2
62 and 264, respectively.
【0027】外部操作レバー34の回転操作の途中で、
前述のとおり軸部332の係合リブ334が係合突部3
05,315を押動して、スイッチレバー30,31を
動作カム26と接触しない範囲に回動するので、従動部
301,311が動作カム26の軸方向への移動時に、
各円筒カム261,262,263,264の段差部分
に干渉されることはない。また、保持カバー32の外周
には、第一機枠11に形成されたガイド溝121に嵌合
するガイドリブ324が軸方向に突設され、ガイド溝1
21に沿って移動可能で、レバー軸119の周りには回
動不能に支持されている。During the rotation operation of the external operation lever 34,
As described above, the engaging rib 334 of the shaft portion 332 is
05 and 315, the switch levers 30 and 31 are pivoted to a range where they do not come into contact with the operation cam 26. Therefore, when the driven portions 301 and 311 move in the axial direction of the operation cam 26,
There is no interference between the step portions of the cylindrical cams 261, 262, 263, 264. A guide rib 324 that fits into a guide groove 121 formed in the first machine casing 11 is provided on the outer periphery of the holding cover 32 in the axial direction so as to protrude.
21, and is non-rotatably supported around the lever shaft 119.
【0028】外部操作レバー34、扇形カム33、保持
カバー32を含む構成部分は、周期的な反復動作を制御
するスイッチ36,37に対して、反復動作の間隔パタ
ーンを動作カム26の第一円筒カム対261,263の
パターンでオンオフ制御する状態と、第二円筒カム対2
62,264のパターンでオンオフ制御する状態との間
で切り換えるカム面切換手段を構成する。そして、スイ
ッチレバー30,31は可動接点板27,28の幅の範
囲内で上下に移動する。The components including the external operation lever 34, the fan-shaped cam 33, and the holding cover 32 are provided with switches 36 and 37 for controlling the cyclic repetitive operation. A state in which the on / off control is performed in the pattern of the cam pair 261 and 263, and the second cylindrical cam pair 2
A cam surface switching means for switching between the on / off control in the patterns of 62 and 264 is provided. Then, the switch levers 30, 31 move up and down within the range of the width of the movable contact plates 27, 28.
【0029】動作カム26とは別に主軸15に離間カム
38が嵌装され、一体で回転するように固定されてい
る。一方、第一機枠11に立設した支軸122に回動自
在に支持され、離間カム38の外周面に摺接するように
離間レバー39が配設される。離間レバー39には、離
間カム38に当接する三角形状の従動部391と、スイ
ッチレバー30,31の両方に同時に当接可能で、それ
らを動作カム26による作動領域外に移動させる動作部
392と、支軸122が貫通する回転中心孔393とが
設けられている。A separation cam 38 is fitted on the main shaft 15 separately from the operation cam 26, and is fixed so as to rotate integrally. On the other hand, a separation lever 39 is rotatably supported by a support shaft 122 erected on the first machine casing 11 and is in sliding contact with the outer peripheral surface of the separation cam 38. The separation lever 39 has a triangular driven portion 391 that contacts the separation cam 38 and an operation portion 392 that can simultaneously contact both the switch levers 30 and 31 and move them out of the operation area by the operation cam 26. , A rotation center hole 393 through which the support shaft 122 passes.
【0030】離間レバー39は、その従動部391が離
間カム38の高段部381に乗り上げると、動作部39
2がスイッチレバー30,31を同時に動作カム26か
ら離間させる。この動作でスイッチレバー30,31は
可動接点板27,28の弾性に抗して強制的に可動接点
板27,28を固定接点板29から引き離し、固定接点
291と可動接点271,281とを接触不能にする。
この作用で、外部接続端子112,113,114に接
続されているモータ40は停止する。When the driven portion 391 rides on the high step portion 381 of the separation cam 38, the separation lever 39 operates.
2 separates the switch levers 30 and 31 from the operation cam 26 at the same time. With this operation, the switch levers 30 and 31 forcibly separate the movable contact plates 27 and 28 from the fixed contact plate 29 against the elasticity of the movable contact plates 27 and 28, and contact the fixed contact 291 and the movable contacts 271 and 281. Disable.
By this action, the motor 40 connected to the external connection terminals 112, 113, 114 stops.
【0031】一方、離間レバーの従動部391が離間カ
ム38の低段部382に摺接するときは、スイッチレバ
ー30,31は解放されて自由に動作カム26の第一円
筒カム対261,263または第二円筒カム対262,
264のいずれか選択された側との接触を回復して、例
えばスイッチレバー30の従動部301が円筒カム26
1の低段部に落ち込んでしばらく可動接点271を固定
接点291に接触させモータ40を例えば時計方向に回
転した後、従動部301は円筒カム261の高段部に押
し上げられて可動接点281が固定接点291から離れ
てモータ40を停止する。On the other hand, when the driven portion 391 of the separation lever comes into sliding contact with the low step portion 382 of the separation cam 38, the switch levers 30 and 31 are released and are free to the first pair of cylindrical cams 261 and 263 of the operation cam 26 or Second cylindrical cam pair 262,
264, the contact with the selected side is restored, for example, the driven portion 301 of the switch lever 30 is
1, the movable contact 271 is brought into contact with the fixed contact 291 for a while and the motor 40 is rotated clockwise, for example, and then the driven portion 301 is pushed up by the high step of the cylindrical cam 261 to fix the movable contact 281. The motor 40 is stopped after moving away from the contact 291.
【0032】次に円筒カム263の高段部にあったスイ
ッチレバー31の従動部311が低段部に落ち込んで可
動接点272を固定接点291に接触させることで回路
構成が変化し、モータ40は反時計方向に反転する。そ
して従動部311の高段部への移行で可動接点272は
固定接点291から離れてモータ40は停止する。次に
円筒カム261の低段部に落ち込んだスイッチレバー3
0でモータ40の時計方向の回転回路がオンからオフに
移行し、順次動作カム26の回転に従って、第一円筒カ
ム対261,263または第二円筒カム対262,26
4の高段部および低段部に従動部301,311が追動
してこの動作が反復される。41はコンデンサで、モー
タ10の回転方向の設定に関与する。Next, the driven portion 311 of the switch lever 31 located at the high step of the cylindrical cam 263 falls into the low step, and the movable contact 272 contacts the fixed contact 291 to change the circuit configuration. Flip counterclockwise. The movable contact 272 is separated from the fixed contact 291 by the transition of the driven portion 311 to the high step portion, and the motor 40 stops. Next, the switch lever 3 that has fallen into the low step portion of the cylindrical cam 261
At 0, the clockwise rotation circuit of the motor 40 shifts from ON to OFF, and the first cylindrical cam pair 261 and 263 or the second cylindrical cam pair 262 and 26
The driven sections 301 and 311 follow the high step section and the low step section of No. 4 and this operation is repeated. Reference numeral 41 denotes a capacitor which is involved in setting the rotation direction of the motor 10.
【0033】第一機枠11で主軸15が挿通される軸受
孔116外周に突設された軸受ボス117に嵌装される
停止カム16は、主軸15の中心軸線を共通の回転中心
として重ね合わせられている。停止カム16は外周の大
半を占める高段部161と外周の一部に形成された低段
部162からなるカム面を有し、第一機枠11の軸受ボ
ス117の外周に沿う中心孔163と、中心孔163の
一部を切り欠いてなる係合凹部164を有する(図3参
照)。The stop cam 16 fitted on a bearing boss 117 projecting from the outer periphery of a bearing hole 116 into which the main shaft 15 is inserted in the first machine casing 11 is overlapped with the center axis of the main shaft 15 as a common rotation center. Have been. The stop cam 16 has a cam surface including a high step portion 161 occupying most of the outer periphery and a low step portion 162 formed in a part of the outer periphery, and a center hole 163 along the outer periphery of the bearing boss 117 of the first machine casing 11. And an engagement recess 164 formed by cutting out a part of the center hole 163 (see FIG. 3).
【0034】離間カム38から延在するカラーの下部に
突出するキー383が係合凹部164に嵌まり合うこと
で、離間カム38と停止カム16が互いに連動して、こ
の状態で両カム38,16が所定の範囲で相対回転でき
るように、キー383と係合凹部164との間に周方向
の遊びが設けられている。従って、主軸15が回転した
とき、キー383が係合凹部164の端部を押すまで
は、離間カム38は先行して回転し、停止カム16は回
転しない。キー383が係合凹部164の端部と係合し
た後は、両カム38,16が一体的に回転する。When the key 383 projecting from the lower part of the collar extending from the separation cam 38 is fitted into the engagement concave portion 164, the separation cam 38 and the stop cam 16 are interlocked with each other. A circumferential play is provided between the key 383 and the engaging concave portion 164 so that the key 16 can rotate relatively within a predetermined range. Therefore, when the main shaft 15 rotates, the separation cam 38 rotates first and the stop cam 16 does not rotate until the key 383 presses the end of the engagement recess 164. After the key 383 is engaged with the end of the engagement recess 164, the cams 38 and 16 rotate integrally.
【0035】また、両カム38,16を重ねた状態で
は、離間カム38の高段部381と停止カム16の低段
部162の機能位置がほぼ同期的に重なっている。すな
わち、離間カム38が先行してモータ40を停止直後に
停止カム16がタイマー機構25を停止させる。一方、
端子台115aに基部をインサートモールドで固定され
た板バネ44の先端に固設された停止用接片部材42
は、板バネ44の付勢力で停止カム16に押圧されて摺
接しており、停止用接片部材42が停止カム16の高段
部161に摺接しているときは、板バネ44の先端が慣
性振子23のピン231から離間して、慣性振子23は
規則的な自由振動が可能で主軸15および動作カム26
の回転を所定の回転速度に維持している。When the two cams 38 and 16 are overlapped, the function positions of the high step portion 381 of the separation cam 38 and the low step portion 162 of the stop cam 16 overlap almost synchronously. That is, the stop cam 16 stops the timer mechanism 25 immediately after the separation cam 38 stops the motor 40 in advance. on the other hand,
Stopping contact piece member 42 fixed to the tip of a leaf spring 44 whose base is fixed to the terminal block 115a by insert molding.
Is pressed against the stop cam 16 by the urging force of the leaf spring 44 and is in sliding contact therewith. When the stop contact member 42 is in sliding contact with the high step portion 161 of the stop cam 16, the tip of the leaf spring 44 is Separated from the pin 231 of the inertial pendulum 23, the inertial pendulum 23 is capable of regular free vibration, and has a main shaft 15 and an operation cam 26.
Is maintained at a predetermined rotation speed.
【0036】タイマー機構25に制御された速度で主軸
15と共に離間カム38が回転して、ゼンマイ12の蓄
勢力の下限において離間カム38の高段部382に離間
レバー39の従動部391が押上げられ、スイッチレバ
ー30,31を押動し、モータ回路をオフしてモータ4
0を停止させる。この時点と同時、もしくは少しのタイ
ムラグを経て、停止用接片部材42が離間カム38と一
体で回転する停止カム16の低段部162に陥入し、板
バネ44の先端部441が慣性振子23のピン231に
当接して慣性振子23の揺動を規制し、タイマー機構2
5の駆動系を停止させる。The separation cam 38 rotates together with the main shaft 15 at a speed controlled by the timer mechanism 25, and the driven portion 391 of the separation lever 39 is pressed against the high step portion 382 of the separation cam 38 at the lower limit of the accumulating force of the mainspring 12. The switch is pushed up, the switch levers 30 and 31 are pushed, the motor circuit is turned off, and the motor 4 is turned off.
Stop 0. Simultaneously with this time or after a slight time lag, the stop contact piece member 42 falls into the low step portion 162 of the stop cam 16 which rotates integrally with the separation cam 38, and the distal end portion 441 of the leaf spring 44 becomes the inertial pendulum. 23, and regulates the swing of the inertial pendulum 23 by contact with the pin 231 of the
5 is stopped.
【0037】板バネ44は導電性材料で形成して、一方
を外部接続給電端子112とし、また直角方向に内部接
続端子112aを突出させて、端子台115aにインサ
ートモールドで固定する。端子台115a上面に突出す
る内部接続端子112aは上部より切込みをいれて固定
接点板29の端部を圧入し、電気的に導通させる(図3
参照)。固定接点板29は外部接続給電端子112より
厚い導電性材料で構成し、可動接点板27,28との対
向位置まで延在させて、可動接点板27,28と協働で
動作スイッチ36,37を構成する。The leaf spring 44 is formed of a conductive material, one of which is used as an external connection power supply terminal 112, and the internal connection terminal 112a is projected in a perpendicular direction and fixed to the terminal block 115a by insert molding. The internal connection terminal 112a protruding from the upper surface of the terminal block 115a is cut out from the upper part to press-fit the end of the fixed contact plate 29 to make it electrically conductive (FIG. 3).
reference). The fixed contact plate 29 is made of a conductive material thicker than the external connection power supply terminal 112, extends to a position facing the movable contact plates 27, 28, and operates together with the movable contact plates 27, 28 to operate the operation switches 36, 37. Is configured.
【0038】動作スイッチ36,37は、主軸15を介
して停止用接片部材42と反対側に位置するので、可動
接点板27,28の外部接続給電端子113,114
は、停止用接片部材42の板バネ44の延在部分である
他方の外部接続給電端子112から十分な離間距離にあ
り、この端子間でトラッキングが生じることはない。Since the operation switches 36 and 37 are located on the side opposite to the stop piece 42 via the main shaft 15, the external connection power supply terminals 113 and 114 of the movable contact plates 27 and 28 are provided.
Are located at a sufficient distance from the other external connection power supply terminal 112, which is the extension of the leaf spring 44 of the stop contact member 42, and tracking does not occur between these terminals.
【0039】次に、タイムスイッチ10の動作について
説明する。先ず摘み(図示しない)の操作により主軸1
5を回動させて摩擦板173の突起174を主歯車17
の突出部171に当接させて約300°回転し、ゼンマ
イ12を十分に巻き上げてから、摘みを戻しながら目盛
に合せて所要の時限を設定する。この時、摩擦クラッチ
によって主歯車17は回動せず、主軸15だけが回動し
て原位置からの変位角度が設定時限となる。すなわち、
主軸15は設定された角度範囲をゼンマイによって駆動
され原位置に復帰する。Next, the operation of the time switch 10 will be described. First, the spindle 1 is operated by a knob (not shown).
5 to rotate the projection 174 of the friction plate 173 to the main gear 17.
After rotating the mainspring 12 sufficiently by rotating it by about 300 °, the required time is set in accordance with the scale while returning the knob. At this time, the main gear 17 does not rotate due to the friction clutch, but only the main shaft 15 rotates, and the displacement angle from the original position becomes a set time limit. That is,
The main shaft 15 is driven by the mainspring within the set angle range and returns to the original position.
【0040】この過程において、ゼンマイ12の蓄勢力
が増速歯車列20を回転駆動し、タイマー機構25の作
動によって主軸15はゼンマイ巻き上げ方向と逆の方向
に定速で回転駆動される。また、主軸15の回動角度設
定により、離間カム38も同じ角度に変位して、低段部
382には離間レバー39の従動部391が当接し、ス
イッチレバー30,31は、動作カム26の第一円筒カ
ム面対261,263あるいは第二円筒カム面対26
2,264による制御に追動可能になる。離間カム38
は、主軸15の回転に伴い、設定された変位位置から原
位置に向かって回転する。In this process, the accumulating force of the mainspring 12 drives the speed increasing gear train 20 to rotate, and the operation of the timer mechanism 25 causes the main shaft 15 to rotate at a constant speed in a direction opposite to the winding direction of the mainspring. Further, by setting the rotation angle of the main shaft 15, the separation cam 38 is also displaced by the same angle, the driven portion 391 of the separation lever 39 abuts on the low step portion 382, and the switch levers 30, 31 First cylindrical cam surface pair 261 and 263 or second cylindrical cam surface pair 26
2,264 can be followed. Separation cam 38
Rotates with the rotation of the main shaft 15 from the set displacement position toward the original position.
【0041】増速歯車列20の第一歯車201と同軸で
一体に回転する動作カム26は比較的早い速度で回転駆
動される。動作カム26が回転すると、スイッチレバー
30,31の従動部301,311が対峙する動作カム
26の面が高段部と低段部とに交互に切り替わり、従動
部301,311が高段部に対峙するときはスイッチ3
6,37がオフ、従動部301,311が低段部に対峙
するときはスイッチ36,37がオンとなる。The operation cam 26 which rotates coaxially and integrally with the first gear 201 of the speed increasing gear train 20 is driven to rotate at a relatively high speed. When the operation cam 26 rotates, the surface of the operation cam 26 where the driven portions 301 and 311 of the switch levers 30 and 31 face each other alternately switches between a high step portion and a low step portion, and the driven portions 301 and 311 are switched to the high step portion. Switch 3 when confronting
When the driven parts 301 and 311 face the lower step, the switches 36 and 37 are turned on.
【0042】ここで、図4(a)に概略図示されるよう
に、外部操作レバー34により弱水流が選択されてスイ
ッチレバー30,31の従動部301,311が動作カ
ム26の第一円筒カム面対261,263に対峙してい
るときは、上記した第一円筒カム面対261,263の
構成により、スイッチ36とスイッチ37とは位相差6
0°で交互にオン・オフ動作を繰り返す。この場合は設
定時間内におけるモータ40の動作時間は短く停止時間
が長いため、弱水流による洗濯となる。Here, as shown schematically in FIG. 4 (a), a weak water flow is selected by the external operation lever 34, and the driven portions 301, 311 of the switch levers 30, 31 become the first cylindrical cam of the operation cam 26. When facing the pair of surfaces 261 and 263, the switch 36 and the switch 37 have a phase difference of 6 due to the configuration of the first pair of cylindrical cam surfaces 261 and 263 described above.
The on / off operation is alternately repeated at 0 °. In this case, since the operation time of the motor 40 within the set time is short and the stop time is long, the washing is performed by the weak water flow.
【0043】一方、外部操作レバー34を回動して強水
流が選択されると、保持カバー32の下端板322が扇
形カム33の低段部337に当接してスイッチレバー3
0,31は下方移動し、従動部301,311は動作カ
ム26の第二円筒カム面対262,264にそれぞれ対
峙する。この場合も、動作カム26の回転により二つの
スイッチ36,37が一定周期で交互にオン・オフする
が、第二円筒カム面対262,264における高段部は
中心角約70°の範囲に設けられ、低段部は中心角約5
0°の範囲に設けられているため、モータ40はカム間
の位相差60°との間隔10°に相当する比較的短いオ
フ時間をおいて比較的長い時間の正転動作と逆転動作を
交互に繰り返す。このように、設定時間内におけるモー
タ40の動作時間が長く、停止時間が短いため強水流に
よる洗濯となる。On the other hand, when the strong water flow is selected by rotating the external operation lever 34, the lower end plate 322 of the holding cover 32 abuts on the low step portion 337 of the sector cam 33 and the switch lever 3
0 and 31 move downward, and the driven portions 301 and 311 face the second pair of cylindrical cam surfaces 262 and 264 of the operation cam 26, respectively. Also in this case, the two switches 36 and 37 are alternately turned on and off at regular intervals by the rotation of the operation cam 26, but the high step portion of the second pair of cylindrical cam surfaces 262 and 264 has a central angle of about 70 °. Provided, and the low step part has a central angle of about 5
Since the motor 40 is provided in the range of 0 °, the motor 40 alternates the forward rotation operation and the reverse rotation operation for a relatively long time with a relatively short off-time corresponding to an interval of 10 ° corresponding to a phase difference of 60 ° between the cams. Repeat. As described above, since the operation time of the motor 40 within the set time is long and the stop time is short, washing is performed by strong water flow.
【0044】図4(b)に概略図示されるように、設定
時間が経過して離間カム38が原位置に復帰すると、離
間レバー39は、従動部391が離間カム38の高段部
381に押上げられて回動し、動作部392がスイッチ
レバー30,31の背面に当接して一斉に押動し、可動
接点板27,28の弾性付勢力で圧接している動作カム
26との接触を断つ。この動作でスイッチレバー30,
31は可動接点板27,28をその弾性力に抗して同時
に強制的に湾曲させ、可動接点271,281と固定接
点291との接触を阻止して電気回路をオフする。As shown schematically in FIG. 4B, when the separation cam 38 returns to the original position after the set time has elapsed, the separation lever 39 moves the driven portion 391 to the high step portion 381 of the separation cam 38. The operation part 392 is pushed up and turned, and the operation part 392 comes into contact with the back surfaces of the switch levers 30 and 31 to be pushed at once, and comes into contact with the operation cam 26 pressed by the elastic urging force of the movable contact plates 27 and 28. Sever. With this operation, the switch lever 30,
31 forcibly bends the movable contact plates 27 and 28 at the same time against the elastic force thereof, prevents contact between the movable contacts 271 and 281 and the fixed contact 291, and turns off the electric circuit.
【0045】それと同時またはその直後に、原位置に復
帰した停止カム16の低段部163に、停止用接片部材
42が板バネ44の作用で落ち込み、板バネ44の先端
部が慣性振子23のピン231に当接して、慣性振子2
3の揺動を阻止することで、タイマー機構25を停止さ
せる。At the same time or immediately thereafter, the stop contact member 42 falls into the low step portion 163 of the stop cam 16 which has returned to the original position by the action of the leaf spring 44, and the tip end of the leaf spring 44 is moved to the inertia pendulum 23. Of the inertia pendulum 2
By stopping the swing of 3, the timer mechanism 25 is stopped.
【0046】図5は第二実施例で、停止用接片部材に対
する別の実施例を示す。第一実施例と共通する部材には
同一符号を使用する。すなわち、停止用接片部材45を
樹脂で成形して、その基部451を端子台115aに突
設したブラケット43に枢支し、変形板バネ46で付勢
して、停止用接片部材45の従動部452を停止カム1
6のカム面に圧接する。そして、タイマー機構25の動
作終了時に原位置に復帰した停止カム16の低段部16
2に停止用接片部材45の従動部452が陥入すること
で、変形板バネ46の先端部461が慣性振子23のピ
ン231の動きを抑制しタイマー機構25を停止する。
固定接点板29は外部接続端子112まで一定の厚さの
板材で形成し、端子台43にインサートモールドせずに
圧入で組込むようにして、端子台43の成形金型を簡素
化することができる。FIG. 5 shows a second embodiment of the present invention, which shows another embodiment of the stop piece. The same reference numerals are used for members common to the first embodiment. That is, the stop contact piece member 45 is formed of resin, and its base 451 is pivotally supported by the bracket 43 protruding from the terminal block 115a, and is urged by the deformed leaf spring 46 to thereby stop the stop contact piece member 45. Stop follower 452 to stop cam 1
6 is pressed against the cam surface. Then, the low step portion 16 of the stop cam 16 that has returned to the original position when the operation of the timer mechanism 25 ends.
When the driven portion 452 of the stop contact piece member 45 intrudes into the second member 2, the distal end portion 461 of the deformable leaf spring 46 suppresses the movement of the pin 231 of the inertial pendulum 23 and stops the timer mechanism 25.
The fixed contact plate 29 is formed of a plate material having a constant thickness up to the external connection terminal 112 and is press-fitted into the terminal block 43 without being insert-molded, so that a molding die of the terminal block 43 can be simplified.
【0047】図6は第三実施例で、離間カムに対する別
の実施例を示す。図5と同様に、第一実施例と共通する
部材は同一符号で示す。すなわち、停止カム16の上面
に重ねて、主軸15の中心軸線を共通の回転中心とする
補助カム47を離間カム38との間に介入させ、第一機
枠11に立設した支軸122を中心に回動する補助レバ
ー48を捩りコイルバネ49で付勢して補助カム47に
臨ませる。補助カム47は外周の大半を高段部で占め、
離間カム38の高段部381と同期する位置に低段部4
71を形成する。捩りコイルバネ49の代わりに、U字
形板バネまたは圧縮コイルバネを使用してもよい。FIG. 6 shows a third embodiment, which is another embodiment for a separation cam. As in FIG. 5, members common to the first embodiment are denoted by the same reference numerals. That is, the auxiliary cam 47 having the central axis line of the main shaft 15 as a common rotation center is interposed between the auxiliary cam 47 and the separation cam 38 so as to overlap the upper surface of the stop cam 16, and the support shaft 122 erected on the first machine casing 11 is moved. The auxiliary lever 48 that rotates about the center is urged by the torsion coil spring 49 to face the auxiliary cam 47. The auxiliary cam 47 occupies most of the outer periphery at the high step,
The low step portion 4 is located at a position synchronized with the high step portion 381 of the separation cam 38.
71 is formed. Instead of the torsion coil spring 49, a U-shaped leaf spring or a compression coil spring may be used.
【0048】補助カム47の主軸15を挿通する中心孔
472の一部を切り欠いて係合凹部473を形成し、離
間カム38の下方側に突出したキー474と係合させ
る。そして、停止カム16の係合凹部164には、補助
カム47の下面側に突出させたキー(図示しない)を係
合させる。離間カム38と補助カム47を重ねたとき、
離間カム38のキー474が補助カム47の係合凹部4
73に嵌入して両カム38,47が互いに保持しあい、
この状態で両カム38,47が所定の範囲で相対回転で
きるようにキー474と係合凹部473との間に遊びが
設けられる。A part of the center hole 472 through which the main shaft 15 of the auxiliary cam 47 is inserted is cut out to form an engagement recess 473, which is engaged with a key 474 projecting below the separation cam 38. Then, a key (not shown) protruding from the lower surface side of the auxiliary cam 47 is engaged with the engagement concave portion 164 of the stop cam 16. When the separation cam 38 and the auxiliary cam 47 are overlapped,
The key 474 of the separation cam 38 is engaged with the engagement recess 4 of the auxiliary cam 47.
73, the two cams 38, 47 hold each other,
In this state, play is provided between the key 474 and the engaging recess 473 so that the cams 38 and 47 can rotate relative to each other within a predetermined range.
【0049】従って、主軸15と共に回転する離間カム
38のキー474が係合凹部473の端部を押して補助
カム47は一体に回転するが、補助カム47が設定時間
の終了で原位置に復帰する低段部471に補助レバー4
8の従動部481が係合する最初の過程で、補助レバー
48を付勢している捩りコイルバネ49の弾性付勢力が
補助レバー48の回動を強制して、キー348と係合凹
部473との間に設けた遊びによってスナップアクショ
ン的に急速に補助カム47を旋回させる。この急速作動
による慣性力が加わってオフ操作は一層確実なものとな
る。Accordingly, the key 474 of the separating cam 38 which rotates together with the main shaft 15 pushes the end of the engaging recess 473, and the auxiliary cam 47 rotates integrally. However, the auxiliary cam 47 returns to the original position at the end of the set time. Auxiliary lever 4 at low step 471
8 in the first process in which the driven portion 481 is engaged, the elastic urging force of the torsion coil spring 49 urging the auxiliary lever 48 forcibly turns the auxiliary lever 48, and the key 348 and the engagement concave portion 473 The auxiliary cam 47 is rapidly turned in a snap action by the play provided between the auxiliary cams 47. The turning operation is further ensured by the inertial force due to the rapid operation.
【0050】補助レバー48は捩りコイルバネ49の付
勢を受けて急速旋回する補助レバー48は、離間カム3
8によるスイッチレバー30,31の回動を助勢する。
この動作で、停止カム16も原位置に復帰してタイマー
機構25を停止させる。これは、設定時間の終了近くで
はゼンマイ12の蓄勢力が大半が放出されている場合
に、ゼンマイ12による離間カム38の回転力が不足し
て、可動接点板27,28の弾性力に抗してスイッチレ
バー30,31を高段部381に押上げる能力に欠ける
恐れを克服して、確実にスイッチ36,37をオフさせ
る動作を保証することができる。The auxiliary lever 48 which rotates rapidly under the bias of the torsion coil spring 49 is provided with the separating cam 3.
8 assists the rotation of the switch levers 30 and 31.
With this operation, the stop cam 16 also returns to the original position and stops the timer mechanism 25. This is because when the stored power of the mainspring 12 is mostly released near the end of the set time, the rotating force of the separation cam 38 by the mainspring 12 is insufficient, and the elastic force of the movable contact plates 27 and 28 is resisted. As a result, it is possible to overcome the risk of lacking the ability to push the switch levers 30, 31 to the high step portion 381, and to guarantee the operation of turning off the switches 36, 37 reliably.
【0051】また、図示しないが第四実施例として、こ
のような構成において、離間カム38に複数の高段部3
81を適当な間隔で設けて時限動作中にスイッチ36,
37を同時にオン・オフし、モータ40を間欠的に動作
させることも可能である。すなわち、洗濯機に使用した
場合には、漬け置き機能のプログラムを付加することが
できる。Although not shown, as a fourth embodiment, in such a configuration, a plurality of high step portions 3
81 are provided at appropriate intervals, and the switch 36,
It is also possible to turn on / off 37 at the same time and operate the motor 40 intermittently. That is, when used in a washing machine, a program for a pickling function can be added.
【0052】[0052]
【発明の効果】以上の説明で明らかなように、本発明に
係わるタイムスイッチによれば、反転スイッチとメイン
スイッチとを集成したので、スイッチング回路が簡素化
され、入力電源端子間が離間するのでトラッキングの発
生を解消することができ、安全性が向上する。また、イ
ンサートモールドする電気部品の点数を減少させること
ができ金型の簡略化が図れる。As is apparent from the above description, according to the time switch of the present invention, since the inversion switch and the main switch are integrated, the switching circuit is simplified and the input power supply terminals are separated. The occurrence of tracking can be eliminated, and safety can be improved. Further, the number of electric components to be insert-molded can be reduced, and the mold can be simplified.
【図1】本発明に係わるタイムスイッチの第一実施例の
平面図である。FIG. 1 is a plan view of a first embodiment of a time switch according to the present invention.
【図2】図1のII−II線に沿った展開断面図である。FIG. 2 is a developed sectional view taken along the line II-II of FIG.
【図3】本発明に係わるタイムスイッチの第一実施例の
分解斜視図である。FIG. 3 is an exploded perspective view of the first embodiment of the time switch according to the present invention.
【図4】本発明に係わるタイムスイッチの動作を説明す
る(a)は作動時、(b)は停止時の概略を示す部分的
平面図である。FIGS. 4A and 4B are partial plan views schematically showing the operation of the time switch according to the present invention, in which FIG.
【図5】本発明に係わるタイムスイッチの第二実施例の
概略を示す部分的平面図である。FIG. 5 is a partial plan view schematically showing a second embodiment of the time switch according to the present invention.
【図6】本発明に係わるタイムスイッチの第三実施例の
概略を示す部分的平面図である。FIG. 6 is a partial plan view schematically showing a third embodiment of the time switch according to the present invention.
【図7】従来のタイムスイッチの平面図である。FIG. 7 is a plan view of a conventional time switch.
10 タイムスイッチ 12 ゼンマイ 15 主軸 23 慣性振子 25 タイマー機構 26 動作カム 27,28 可動接点板 29 固定接点板 30,31 スイッチレバー 36,37 スイッチ 38 離間カム 39 離間レバー 40 モータ 41 停止カム 42 停止用接片部材 112,113,114 外部接続端子 DESCRIPTION OF SYMBOLS 10 Time switch 12 Mainspring 15 Main shaft 23 Inertial pendulum 25 Timer mechanism 26 Operation cam 27, 28 Movable contact plate 29 Fixed contact plate 30, 31 Switch lever 36, 37 Switch 38 Separation cam 39 Separation lever 40 Motor 41 Stop cam 42 Stop contact 42 Single member 112, 113, 114 External connection terminal
───────────────────────────────────────────────────── フロントページの続き (72)発明者 北澤 富男 長野県諏訪郡下諏訪町5329番地 株式会社 三協精機製作所内 Fターム(参考) 3B155 AA01 AA03 JA16 LA02 LB16 LC23 LC29 MA01 MA02 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Tomio Kitazawa 5329 Shimosuwa-cho, Suwa-gun, Nagano F-term in Sankyo Seiki Seisakusho Co., Ltd.
Claims (5)
部材を作動するスイッチレバーと、このスイッチレバー
を作動する動作カムと、この動作カムと別体で、前記ス
イッチレバーを前記動作カムから離間させて前記スイッ
チ部材をオフ状態に維持する離間レバーと、この離間レ
バーを作動する離間カムと、前記動作カムおよび前記離
間カムの作動時間を設定するタイマー機構とを有し、前
記タイマー機構により設定された作動時間の終了時点に
おいて、前記離間カムで前記離間レバーを動作させ、前
記スイッチレバーを前記動作カムから離間させることに
より、前記スイッチ部材をオフ状態にして所定動作を終
了させることを特徴とするタイムスイッチ。A switch lever for operating a switch member for switching a predetermined operation; an operation cam for operating the switch lever; and an operation cam separate from the operation cam, wherein the switch lever is separated from the operation cam. A separation lever for maintaining the switch member in an off state, a separation cam for operating the separation lever, and a timer mechanism for setting the operation time of the operation cam and the separation cam; and an operation set by the timer mechanism. A time switch for operating the separation lever with the separation cam at the end of the time and separating the switch lever from the operation cam, thereby turning off the switch member and terminating a predetermined operation. .
つの駆動源によって駆動したことを特徴とする請求項1
に記載のタイムスイッチ。2. The operation of the operation cam and the separation cam is driven by one drive source.
The time switch described in.
特徴とする請求項2に記載のタイムスイッチ。3. The time switch according to claim 2, wherein a mainspring is used as the driving source.
度を調速する調速手段と、設定された動作時間の終了時
点において前記調速手段を拘束し、タイマー機構を停止
させる停止手段とを持ち、この停止手段は前記離間カム
と同軸上に設けられた停止カムと、この停止カムの作用
で前記調速手段を拘束する停止用接片部材とからなり、
前記停止用接片部材を導電性のある弾性材料で構成し
て、延在部分を一方の外部接続給電端子としたことを特
徴とする請求項3に記載のタイムスイッチ。4. The timer mechanism has a speed adjusting means for adjusting a relaxation speed of the mainspring, and a stop means for restraining the speed adjusting means at the end of a set operation time and stopping the timer mechanism. The stop means comprises a stop cam provided coaxially with the separation cam, and a stop contact member for restraining the speed adjusting means by the action of the stop cam,
4. The time switch according to claim 3, wherein the stop contact member is made of a conductive elastic material, and the extended portion is one of the external connection power supply terminals.
ッチ部材は、可動接点板と固定接点板とで構成して、時
間設定操作主軸を介して前記停止用接片部材の反対側に
配設し、前記外部接続給電端子から前記固定接点板に通
電する固定回路を設けたことを特徴とする請求項4に記
載のタイムスイッチ。5. A switch member for switching the predetermined operation includes a movable contact plate and a fixed contact plate, and is disposed on a side opposite to the stop piece member via a time setting operation spindle. The time switch according to claim 4, further comprising a fixed circuit configured to supply power to the fixed contact plate from the external connection power supply terminal.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001082647A JP4132697B2 (en) | 2001-03-22 | 2001-03-22 | Time switch |
KR10-2002-0012318A KR100473906B1 (en) | 2001-03-22 | 2002-03-08 | Time switch |
MYPI20020998A MY138613A (en) | 2001-03-22 | 2002-03-21 | Timing switch |
CNB021079471A CN1269166C (en) | 2001-03-22 | 2002-03-22 | Timing switch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001082647A JP4132697B2 (en) | 2001-03-22 | 2001-03-22 | Time switch |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2002279879A true JP2002279879A (en) | 2002-09-27 |
JP2002279879A5 JP2002279879A5 (en) | 2005-07-21 |
JP4132697B2 JP4132697B2 (en) | 2008-08-13 |
Family
ID=18938566
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2001082647A Expired - Fee Related JP4132697B2 (en) | 2001-03-22 | 2001-03-22 | Time switch |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP4132697B2 (en) |
KR (1) | KR100473906B1 (en) |
CN (1) | CN1269166C (en) |
MY (1) | MY138613A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104201052A (en) * | 2014-08-22 | 2014-12-10 | 苏州松桂电器有限公司 | Multiple stage type timer |
JP2015109246A (en) * | 2013-12-05 | 2015-06-11 | 日本電産サンキョー株式会社 | Switch member and switch device |
CN109690721A (en) * | 2016-09-14 | 2019-04-26 | 日本电产三协株式会社 | Contact time switch |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014195542A (en) * | 2013-03-29 | 2014-10-16 | 株式会社東芝 | Washing machine |
-
2001
- 2001-03-22 JP JP2001082647A patent/JP4132697B2/en not_active Expired - Fee Related
-
2002
- 2002-03-08 KR KR10-2002-0012318A patent/KR100473906B1/en active IP Right Grant
- 2002-03-21 MY MYPI20020998A patent/MY138613A/en unknown
- 2002-03-22 CN CNB021079471A patent/CN1269166C/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015109246A (en) * | 2013-12-05 | 2015-06-11 | 日本電産サンキョー株式会社 | Switch member and switch device |
CN104201052A (en) * | 2014-08-22 | 2014-12-10 | 苏州松桂电器有限公司 | Multiple stage type timer |
CN104201052B (en) * | 2014-08-22 | 2017-01-18 | 苏州松桂电器有限公司 | Multiple stage type timer |
CN109690721A (en) * | 2016-09-14 | 2019-04-26 | 日本电产三协株式会社 | Contact time switch |
Also Published As
Publication number | Publication date |
---|---|
JP4132697B2 (en) | 2008-08-13 |
KR100473906B1 (en) | 2005-03-09 |
CN1269166C (en) | 2006-08-09 |
MY138613A (en) | 2009-07-31 |
KR20020075227A (en) | 2002-10-04 |
CN1377052A (en) | 2002-10-30 |
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