JPS6344620Y2 - - Google Patents

Description

【考案の詳細な説明】 本考案は設定水量の放水が行なわれると弁部を
閉じて水を止める自動計量止水栓に関するもので
ある。[Detailed Description of the Invention] The present invention relates to an automatic metering stop valve that closes the valve portion to stop water when a set amount of water is discharged.

洗濯機などにおいて所定流量の水が流れると起
動スイツチが入るようにする場合、従来において
は吸水弁と圧力スイツチとの組み合せにより流量
を検知していたのであるが、これは高価であると
ともに動作流量を任意に設定することができなか
つた。 When setting a starting switch to turn on when a predetermined flow rate of water flows in a washing machine, etc., conventionally the flow rate was detected by a combination of a water intake valve and a pressure switch, but this was expensive and the operating flow rate was too low. could not be set arbitrarily.

本考案はこのような点に鑑み為されたものであ
り、その目的とするところは安価である上に放水
量を任意に設定でき、しかも放水終了時には外部
出力接点を作動させるのでたとえば洗濯機の自動
化を図ることができる自動計量止水栓を提供する
にある。 The present invention was developed in consideration of these points, and its purpose is to be inexpensive, allow the amount of water to be set arbitrarily, and operate an external output contact when the water is finished discharging, so it can be used, for example, in a washing machine. An object of the present invention is to provide an automatic metering stop valve that can be automated.

以下本考案を図示実施例に基いて詳述する。上
端に首振り自在なホース接続管１２を有する給水
口１１を、下端に放水口１３を有する本体１０は
洗濯機などの機体に取付けられるものであつて、
この本体１０内には給水口１１と放水口１３とを
つなぐ一直線状の流路が形成されており、またこ
の流路の上部に止水用の弁部２が、下部に計量部
１が設けられている。計量部１は流路に羽根部を
位置させて流下する水によつて回転させられる羽
根車１５で構成し、羽根車１５の回転を減速輪列
１６，１７、ピニオン１８、ギア１９、摩擦クラ
ツチ２０を介して主軸２１に伝達させている。本
体１０の一面開口を閉じる蓋部９で支持された主
軸２１には操作ダイアル１４が固着され、また前
記ギア１９が摩擦クラツチ２０を介して取付けら
れており、更にはカム３が主軸２１と連動回転す
るように取付けられている。ただし、このカム３
は主軸２１を貫通するピン２２を内周面に設けた
径方向の溝３０に係合させることで連動回転する
ようにしているのであるが、ピン２２の径に比し
て溝３０の周方向の幅を大きくし、回転方向にお
いて主軸２１に対しカム３が遊び角をもつように
してある。またこのカム３はその一面に二つのカ
ム面３１，３２を有している。第３図に示すよう
に一方のカム面３１は外周側に、他方のカム面３
２はカム面３１の内周側に位置するものであつ
て、カム面３１には制御杆４の一端が、カム面３
２には駆動杆５の一端が接する。制御杆４はその
他端をボール２６と弁座２７とで構成される弁部
２に位置させて軸方向に摺動自在となつているも
のであり、シリンダー２５内を摺動するピストン
部２４を一体に備えている。流路を流れる水を導
入してこれを作動流体とするダツシユポツト７を
構成しているものである。このダツシユポツト７
は止水時における水撃の緩和を行なう。 The present invention will be explained in detail below based on illustrated embodiments. The main body 10, which has a water supply port 11 having a swingable hose connection pipe 12 at the upper end and a water discharge port 13 at the lower end, is attached to a body such as a washing machine,
A linear flow path connecting the water supply port 11 and the water discharge port 13 is formed in the main body 10, and a water stop valve portion 2 is provided at the top of this flow path, and a metering portion 1 is provided at the bottom. It is being The metering unit 1 is composed of an impeller 15 whose blades are positioned in a flow path and rotated by the flowing water. It is transmitted to the main shaft 21 via 20. An operation dial 14 is fixed to a main shaft 21 supported by a lid 9 that closes an opening on one side of the main body 10, and the gear 19 is attached via a friction clutch 20, and a cam 3 is interlocked with the main shaft 21. It is mounted to rotate. However, this cam 3
The pin 22 that passes through the main shaft 21 is engaged with a radial groove 30 provided on the inner circumferential surface to rotate in conjunction, but the circumferential direction of the groove 30 is smaller than the diameter of the pin 22. The width of the cam 3 is increased so that the cam 3 has an angle of play with respect to the main shaft 21 in the rotation direction. Further, this cam 3 has two cam surfaces 31 and 32 on one surface thereof. As shown in FIG. 3, one cam surface 31 is on the outer circumferential side,
2 is located on the inner peripheral side of the cam surface 31, and one end of the control rod 4 is located on the cam surface 31.
2 is in contact with one end of the drive rod 5. The other end of the control rod 4 is located in the valve part 2 consisting of a ball 26 and a valve seat 27 so that it can freely slide in the axial direction, and the control rod 4 has the piston part 24 sliding inside the cylinder 25. It is fully prepared. This constitutes a dart pot 7 which introduces water flowing through a flow path and uses it as a working fluid. This darth pot 7
will reduce water hammer when the water is stopped.

羽根車１５及び減速輪列１７を支持する軸（図
示せず）と平行で減速輪列１６とピニオン１８を
支持する軸を兼ねた駆動杆５は軸方向に摺動自在
とされ、且つ他端に係合体８が取着されているも
のであつて、軸受体３５と係合体８との間に配置
したばね２８によつてカム３側へと付勢されてい
る。係合体８は羽根車１５の羽根と係合する突片
（図示せず）を径方向に突出させるとともに軸方
向に本体１０を貫通して外面に突出する軸部２９
を有しており、駆動杆５の軸方向の摺動に共動す
る係合体８は、本体１０の外面に取着した外部出
力接点としてのマイクロスイツチ６のアクチユエ
ータ４０を軸部２９が駆動する。３８はシールで
ある。また３６，３７は軸支板である。 The drive rod 5, which is parallel to a shaft (not shown) that supports the impeller 15 and the reduction gear train 17 and also serves as a shaft that supports the reduction gear train 16 and the pinion 18, is slidable in the axial direction, and has the other end. The engaging body 8 is attached to the bearing body 35, and is urged toward the cam 3 by a spring 28 disposed between the bearing body 35 and the engaging body 8. The engaging body 8 has a protruding piece (not shown) that engages with the blades of the impeller 15 that protrudes in the radial direction, and also has a shaft portion 29 that penetrates the main body 10 in the axial direction and protrudes to the outer surface.
The engaging body 8, which moves in conjunction with the axial sliding of the drive rod 5, has a shaft portion 29 that drives an actuator 40 of a micro switch 6 as an external output contact attached to the outer surface of the main body 10. . 38 is a seal. Further, 36 and 37 are shaft support plates.

操作ダイアル１４の外周面には「止」をはさん
で周方向に「連続放水」と放水量の目盛とを記載
してあり、「止」位置を本体１０の指針に合わせ
た状態においては制御杆４はそのピストン部２４
に印加される水圧によつて（復帰ばねを設けた場
合にはこの復帰ばねのばね力にもよつて）一端が
カム３のカム面３１におけるＶ字状の凹所３３に
落ち込み、弁部２のボール２６を押すことがな
く、従つて弁座２７にボール２６が水圧で接して
閉じている弁部２により水は止められている。ま
たこの時には駆動杆５をカム３のカム面３２の凹
所３４にばね２８による付勢で落ち込んでおり、
係合体８が羽根車１５の回転を阻止する状態にあ
るとともに軸部２９がマイクロスイツチ６のアク
チユエータ４０に接しているのみである。次いで
操作ダイアル１４を回転させて目盛における希望
放水量に対応する数値を本体１０の指針に合わせ
れば、操作ダイアル１４とともに回転する主軸２
１に追従してカム３も回転し、第１図に示すよう
に制御杆４を凹所３から押し出して軸方向に摺動
させ、ボール２６を弁座２７から離して弁部２を
開くとともに駆動杆５も凹所３４から押し出して
係合体８による羽根車１５の回転のロツクを解除
し、また軸部２９でアクチユエータ４０を押圧し
てマイクロスイツチ６を作動させる。弁部２が開
いたことで流路を流下する水は羽根車１５を回転
させ、減速輪列１６，１７や摩擦クラツチ２０及
び主軸２１を介してカム３を微速回転させる。設
定水量が放水された時点になると、カム３の両凹
所３３，３４が夫々制御杆４及び駆動杆５に接近
し、次いで夫々凹所３３，３４の壁面を滑り落ち
つつカム３をその主軸２１に対する前記遊び角の
範囲内で主軸２１よりも急速に回転させる。この
結果弁部２がダツシユポツト７による制動を受け
て緩速で再度閉じるとともにマイクロスイツチ６
も復帰する。マイクロスイツチ６の復帰時におけ
る内蔵接点の動作で、たとえば洗濯機の制御用回
路に信号を送つてモータＭを始動させるのであ
る。 On the outer circumferential surface of the operation dial 14, "continuous water spray" and a water spray amount scale are written in the circumferential direction with "stop" in between, and when the "stop" position is aligned with the pointer on the main body 10, control is activated. The rod 4 is its piston part 24
One end falls into the V-shaped recess 33 in the cam surface 31 of the cam 3 (by the spring force of the return spring if a return spring is provided), and the valve part 2 Therefore, the water is stopped by the valve portion 2, which is closed by the ball 26 contacting the valve seat 27 with water pressure. Also, at this time, the drive rod 5 is depressed into the recess 34 of the cam surface 32 of the cam 3 by the force of the spring 28,
The engaging body 8 is in a state of preventing rotation of the impeller 15, and the shaft portion 29 is only in contact with the actuator 40 of the micro switch 6. Next, by rotating the operation dial 14 and aligning the numerical value corresponding to the desired water discharge amount on the scale with the pointer on the main body 10, the main shaft 2 that rotates together with the operation dial 14
1, the cam 3 also rotates, and as shown in FIG. 1, the control rod 4 is pushed out of the recess 3 and slid in the axial direction, releasing the ball 26 from the valve seat 27 and opening the valve part 2. The driving rod 5 is also pushed out from the recess 34 to release the lock of the rotation of the impeller 15 by the engaging body 8, and the shaft portion 29 presses the actuator 40 to operate the micro switch 6. When the valve portion 2 is opened, the water flowing down the flow path rotates the impeller 15, and rotates the cam 3 at a very low speed via the reduction gear train 16, 17, the friction clutch 20, and the main shaft 21. When the set amount of water is discharged, both the recesses 33 and 34 of the cam 3 approach the control rod 4 and the drive rod 5, respectively, and then slide down the walls of the recesses 33 and 34, respectively, and move the cam 3 to its main axis. The main shaft 21 is rotated more rapidly than the main shaft 21 within the range of the play angle with respect to the main shaft 21. As a result, the valve part 2 is closed again at a slow speed due to the braking by the dart pot 7, and the micro switch 6 is closed again.
will also return. The operation of the built-in contacts when the microswitch 6 returns to normal operation sends a signal to, for example, a washing machine control circuit to start the motor M.

操作ダイアル１４を「止」位置から逆方向に、
つまり羽根車１５からの入力で回転する方向と同
方向に回転させて「連続放水」にセツトした際に
はカム面３１の凹所３３から制御杆４が押し出さ
れて弁部２が開くものの、凹所３３よりも広い角
度にカム面３２の凹所３４を形成してあるために
駆動杆５は凹所３４に落ち込んだままであり、従
つて係合体８による羽根車１５の回転のロツクが
なされたままである。またマイクロスイツチ６も
作動しない。係合体８によつて連続放水時に羽根
車１５の回転をロツクするのは次の理由による。
すなわち連続放水にセツトする際の操作ダイアル
１４の回転方向は前述のように計量部１からの入
力による回転方向と同一であるから、操作ハンド
ル１４のこの回転方向における回動範囲を規制す
るだけで操作ハンドル１４を手動で「止」位置ま
で戻すまで連続放水が行なわれるようにすること
ができるのであるが、この場合にも羽根車１５が
回転するとなると摩擦クラツチ２０が連続放水の
期間中すべつていることになつて好ましくない。
このために連続放水の際には羽根車１５の回転を
ロツクしているものである。 Turn the operation dial 14 in the opposite direction from the "stop" position,
In other words, when the impeller 15 is rotated in the same direction as the rotation direction and set to "continuous water discharge", the control rod 4 is pushed out of the recess 33 of the cam surface 31 and the valve part 2 opens. Since the recess 34 of the cam surface 32 is formed at a wider angle than the recess 33, the drive rod 5 remains depressed in the recess 34, and therefore the rotation of the impeller 15 by the engaging body 8 is locked. It remains as it is. Also, the micro switch 6 does not operate. The reason why the engagement body 8 locks the rotation of the impeller 15 during continuous water spraying is as follows.
That is, since the direction of rotation of the operation dial 14 when setting to continuous water discharging is the same as the direction of rotation according to the input from the measuring section 1 as described above, it is only necessary to restrict the rotation range of the operation handle 14 in this rotation direction. Continuous water spraying can be performed until the operating handle 14 is manually returned to the "stop" position, but in this case as well, when the impeller 15 rotates, the friction clutch 20 stops all water spraying during the continuous water spraying period. I don't like it because I have to be there.
For this reason, the rotation of the impeller 15 is locked during continuous water spraying.

尚、上記実施例においては外部出力接点として
のマイクロスイツチ６をカム面３２に応動して駆
動する駆動杆５に、減速輪列１６やピニオン１８
を支持する軸としての機能を持たせるとともに連
続放水の際の摩擦クラツチ２０のすべりを防ぐべ
く羽根車１５の回転をロツクする係合体８の制御
用としての機能をも持たせて部品数の削減を図つ
ているが、この実施例に限定されるものではな
い。たとえば連続放水機能をもたせない場合には
制御杆４と駆動杆５とを一体としたりしてもよい
ものである。 In the above embodiment, the reduction gear train 16 and the pinion 18 are connected to the drive rod 5 that drives the micro switch 6 as an external output contact in response to the cam surface 32.
The number of parts can be reduced by having a function as a supporting shaft and also having a function for controlling the engaging body 8 that locks the rotation of the impeller 15 to prevent the friction clutch 20 from slipping during continuous water discharging. However, the present invention is not limited to this embodiment. For example, if the continuous water discharging function is not provided, the control rod 4 and the drive rod 5 may be integrated.

以上のように本考案は、流路を通過する水量を
計る計量部の出力によつて、放出量設定のための
操作ダイアルの操作入力によつても回転するカム
を回転させ、このカムに応動する制御杆で弁部を
開閉するとともにカムに応動する駆動杆で外部出
力接点を開閉させたものであるから、外部出力接
点を他の機器に接続することで洗濯機の貯水後の
モータ始動や、風呂の貯水後の点火といつた自動
化を低コストで図ることができるのはもちろん、
操作ダイアルによつて設定された量の放水がなさ
れている間、カムは操作ダイアルからの入力で回
転した時と逆方向に回転し、操作ダイアルによる
設定がなされる前の状態にカムが戻つた時に止水
及び外部出力接点の開閉がなされるものであり、
操作ダイアルにて放水量を任意の値に設定するこ
とができることはもちろん、この時の操作ダイア
ルからの入力によるカムの回転量がすなわち所要
の放水量の設定値となつているものであり、そし
て止水は計量部からの出力でこのカムを逆回転さ
せて初期状態に戻すことで行なうことから、簡単
な機構ながら、どのような値に放水量を設定する
時にも、設定放水量と実際の放水量との差が少な
くて正確な量の放水を行なえるものであり、しか
も計量部と操作ダイアルとの間には摩擦クラツチ
を介在させているために、操作ダイアルからの入
力でカムを回転させて放水量の設定を行なう際
に、計量部側にこの回転は伝わらず、従つて計量
部の出力にて回転するカムを放水量の設定手段と
して利用するものであるにもかかわらず、なんら
不具合を生じることがなくて、放水量設定操作を
スムーズに行なうことができるものである。 As described above, the present invention uses the output of the measuring section that measures the amount of water passing through the flow path to rotate a cam that also rotates in response to the operation input of the operation dial for setting the discharge amount, and responds to this cam. The control rod opens and closes the valve part, and the drive rod that responds to the cam opens and closes the external output contact, so by connecting the external output contact to other equipment, you can start the motor after water is stored in the washing machine, etc. Of course, it is possible to automate the ignition and heating after water is stored in the bath at a low cost.
While the amount of water set by the control dial is being sprayed, the cam rotates in the opposite direction to the direction in which it was rotated by the input from the control dial, and the cam returns to the state it was in before the setting was made by the control dial. The water is stopped and the external output contacts are opened and closed at times.
Of course, the amount of water to be sprayed can be set to any value using the operation dial, and the amount of rotation of the cam based on the input from the operation dial at this time is the set value for the required amount of water to be sprayed. The water is stopped by using the output from the metering section to reversely rotate this cam and return it to its initial state. Although it is a simple mechanism, when setting the water discharge amount to any value, there is a difference between the set water discharge amount and the actual water discharge amount. It is possible to spray an accurate amount of water with a small difference in the amount of water sprayed, and since a friction clutch is interposed between the measuring part and the operation dial, the cam can be rotated by input from the operation dial. When setting the amount of water to be sprayed, this rotation is not transmitted to the metering section, so even though the cam, which rotates with the output of the metering section, is used as a means of setting the amount of water to be sprayed, there is no This allows the water discharge amount setting operation to be performed smoothly without causing any problems.

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

第１図は本考案一実施例の断面図、第２図は同
上の部分断面図、第３図は同上のカムの斜視図で
あり、１は計量部、２は弁部、３はカム、４は制
御杆、５は駆動杆、６は外部出力接点としてのマ
イクロスイツチ、１４は操作ダイアル、２０は摩
擦クラツチを示す。 FIG. 1 is a cross-sectional view of an embodiment of the present invention, FIG. 2 is a partial cross-sectional view of the same as the above, and FIG. 4 is a control rod, 5 is a drive rod, 6 is a micro switch as an external output contact, 14 is an operation dial, and 20 is a friction clutch.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 流路を通過する水によつて回転駆動される羽根
車を備えてこの羽根車の回転で通過水量を計る計
量部と、流路の途中に設置された止水用の弁部
と、計量部の羽根車に摩擦クラツチを介して連結
された操作ダイアルと、操作ダイアルの放水量設
定操作に連動して回転し且つ計量部の羽根車の回
転出力に連動して回転するカムと、このカムに応
動して前記弁部を開閉する制御杆と、カムに応動
して外部出力接点を開閉する駆動杆とを具備して
成る自動計量止水栓。 A measuring section that is equipped with an impeller that is rotationally driven by the water passing through the flow path and measures the amount of water passing through by the rotation of the impeller, a water stop valve installed in the middle of the flow path, and a measuring section. an operation dial connected to the impeller via a friction clutch; a cam that rotates in conjunction with the water discharge amount setting operation of the operation dial and rotates in conjunction with the rotational output of the impeller of the metering section; An automatic metering stopcock comprising a control rod that opens and closes the valve portion in response to the cam, and a drive rod that opens and closes the external output contact in response to the cam.