JPH06147339A - Selector valve - Google Patents
Selector valveInfo
- Publication number
- JPH06147339A JPH06147339A JP4296760A JP29676092A JPH06147339A JP H06147339 A JPH06147339 A JP H06147339A JP 4296760 A JP4296760 A JP 4296760A JP 29676092 A JP29676092 A JP 29676092A JP H06147339 A JPH06147339 A JP H06147339A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- valve body
- valve shaft
- shaft
- flow
- 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
Landscapes
- Taps Or Cocks (AREA)
- Multiple-Way Valves (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、流体の流れ方向を切換
ると共に、流量を調整する機能を備えた切換弁に関する
ものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a switching valve having a function of switching a flow direction of a fluid and adjusting a flow rate.
【０００２】[0002]
【従来の技術】従来、流体の流れ方向を切換る切換弁は
図７および図８に示すように、Ｌ字形状に二方向の通水
口５１ａ，５１ｂを形成した弁体５１と、Ｔ字状の三方
向に開口５２ａ，５２ｂ，５２ｃを備えた弁箱５２から
なり、弁箱５２は弁体５１を水平方向に回転自在に収納
している。弁体５１は弁軸５３と連結してあり、弁軸５
３に取付けたレバー５４を操作することにより回転する
ようになっている。2. Description of the Related Art Conventionally, as shown in FIGS. 7 and 8, a switching valve for switching the flow direction of a fluid has a valve body 51 in which bidirectional water passages 51a and 51b are formed in an L-shape, and a T-shape. The valve box 52 has openings 52a, 52b, and 52c in three directions, and the valve box 52 accommodates the valve element 51 rotatably in the horizontal direction. The valve body 51 is connected to the valve shaft 53, and the valve shaft 5
It is adapted to rotate by operating the lever 54 attached to the device 3.
【０００３】この切換弁は図７に示すように、開口５２
ａと通水口５１ａ，５１ｂを介して開口５２ｃが連通す
る状態になっており、流体が開口５２ａから開口５２ｃ
あるいは口５２ｃから開口５２ａに流れる。ここで、弁
体５１を右方向に９０°回転すると、開口５２ｂと通水
口５１ｂ，５１ａを介して開口５２ｃが連通することに
なり、流体が開口５２ｂから開口５２ｃあるいは口５２
ｃから開口５２ｂに流れる。このように、弁体５１を回
転することで、弁箱５２の開口を切換えて流体の流れ方
向を切換るようになっていた。This switching valve has an opening 52 as shown in FIG.
a and the opening 52c are in communication with each other through the water passages 51a and 51b, and the fluid is transferred from the opening 52a to the opening 52c.
Alternatively, it flows from the mouth 52c to the opening 52a. Here, when the valve body 51 is rotated to the right by 90 °, the opening 52b and the opening 52c communicate with each other through the water passages 51b and 51a, and the fluid flows from the opening 52b to the opening 52c or the mouth 52.
It flows from c to the opening 52b. Thus, by rotating the valve body 51, the opening of the valve box 52 is switched to switch the flow direction of the fluid.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、上記従
来の技術によると、次のような問題点がある。流体の流
れを開口５２ｃから開口５２ａへと、開口５２ｃから開
口５２ｂへの二方向に切換ることができるが、開口５２
ａからあるいは開口５２ｂから流入する流体の流れ方向
を切換ることができない。However, the above-mentioned conventional techniques have the following problems. The fluid flow can be switched in two directions from the opening 52c to the opening 52a and from the opening 52c to the opening 52b.
It is not possible to switch the flow direction of the fluid flowing in from a or from the opening 52b.
【０００５】また、流量の調整ができないので、切換弁
の前後に流量調整弁を設ける必要が生じる場合がある。
よって、弁を取付けるスペースが大きくなり、コストも
かかることになる。Since the flow rate cannot be adjusted, it may be necessary to provide flow rate adjusting valves before and after the switching valve.
Therefore, the space for mounting the valve becomes large and the cost is increased.
【０００６】本発明は上記問題点に鑑みてなされたもの
で、流体の流れを多方向に切換ることができ、流量調整
もできる切換弁を提供することにある。The present invention has been made in view of the above problems, and an object of the present invention is to provide a switching valve capable of switching the flow of a fluid in multiple directions and adjusting the flow rate.
【０００７】[0007]
【課題を解決するための手段】本発明は上記課題を解決
するため、Ｔ字形状に三方向の通水口を形成した弁体
と、Ｔ字形状の三方向に開口を備えた弁箱からなる切換
弁において、前記弁体を弁箱内で垂直方向あるいは水平
方向に回転させて流体の流れ方向を切換えると共に、流
量を調整する回転機構を備えた切換弁を構成した。ま
た、前記回転機構が弁体を回転する弁軸と、該弁軸と弁
体を着脱自在に連結するクラッチとからなり、該クラッ
チを弁体の通水口の少なくとも一箇所に設けるのがよ
い。そして、前記弁軸を弁体に着脱する昇降機構を設け
てもよく、前記弁軸が弁体を水平方向に回転する水平弁
軸と、弁体を垂直方向に回転する垂直弁軸とからなるの
がよい。In order to solve the above problems, the present invention comprises a valve body having T-shaped three-way water passage openings and a valve box having T-shaped three-way openings. In the directional control valve, the directional control valve is configured to rotate the valve body in the valve box in the vertical direction or the horizontal direction to switch the flow direction of the fluid and to include a rotating mechanism for adjusting the flow rate. Further, it is preferable that the rotating mechanism includes a valve shaft that rotates the valve body and a clutch that detachably connects the valve shaft and the valve body, and the clutch is provided at at least one position of a water passage of the valve body. An elevating mechanism for attaching / detaching the valve shaft to / from the valve body may be provided, and the valve shaft includes a horizontal valve shaft for rotating the valve body in the horizontal direction and a vertical valve shaft for rotating the valve body in the vertical direction. Is good.
【０００８】[0008]
【作 用】本発明によれば、弁体を垂直方向あるいは水
平方向に回転すると、連通する弁箱の開口と開口が切換
わることになり、流体の流れ方向を切換ることができ
る。弁体の通水口をＴ字形状の三方向にしているので、
直線的な流体の流れを曲線的な流れに切換ることができ
ると共に、多方向に切換ることができる。また、弁体の
回転角度により流量調整を行うことができる。[Operation] According to the present invention, when the valve body is rotated in the vertical direction or the horizontal direction, the opening and the opening of the communicating valve box are switched, and the flow direction of the fluid can be switched. Since the water inlet of the valve element is T-shaped in three directions,
A linear fluid flow can be switched to a curved flow and can be switched in multiple directions. Further, the flow rate can be adjusted by the rotation angle of the valve body.
【０００９】垂直弁軸と水平弁軸を備えたものにおいて
は、垂直弁軸と水平弁軸の一方のクラッチが連結してい
る場合には、他方のクラッチは離脱するようになってい
る。また、昇降機構を備えたものにおいては、クラッチ
の連結，離脱を昇降機構により行うようになっている。In the case of a vertical valve shaft and a horizontal valve shaft, when one clutch of the vertical valve shaft and the horizontal valve shaft is connected, the other clutch is disengaged. Further, in the case where the lifting mechanism is provided, the clutch is engaged and disengaged by the lifting mechanism.
【００１０】[0010]
【実施例】本発明の実施例を図面に基づいて説明する。
図面の図１切換弁の平面断面図、図２は切換弁の正面断
面図、図３は切換弁の側面断面図、図４は主管側への流
れ形態を示す切換弁の平面断面図および正面断面図、図
５は分岐管への流れ形態を示す切換弁の平面断面図およ
び正面断面図、図６は追加機能の流れ形態を示す切換弁
の平面断面図および正面断面図である。Embodiments of the present invention will be described with reference to the drawings.
1 of the drawings: a plan sectional view of the switching valve, FIG. 2 a front sectional view of the switching valve, FIG. 3 a side sectional view of the switching valve, and FIG. 4 a sectional plan view and a front surface of the switching valve showing a flow form to the main pipe side. Sectional drawing, FIG. 5 is a plan sectional view and a front sectional view of a switching valve showing a flow mode to a branch pipe, and FIG. 6 is a plan sectional view and a front sectional view of a switching valve showing a flow mode of an additional function.
【００１１】図１乃至図３に示すように切換弁Ａは、Ｔ
字形状に三方向の通水口１Ａ，１Ｂ，１Ｃを形成した弁
体１と、Ｔ字形状の三方向に開口２Ａ，２Ｂ，２Ｃを備
えた弁箱２と、弁体１を弁箱２内で垂直方向あるいは水
平方向に回転させて流体の流れ方向を切換えると共に、
流量を調整する回転機構Ｂとからなる。As shown in FIGS. 1 to 3, the switching valve A has a T
A valve body 1 having three-way water inlets 1A, 1B, 1C formed in a V shape, a valve box 2 having openings 2A, 2B, 2C in a T-shaped three directions, and a valve body 1 inside the valve box 2 Rotate vertically or horizontally to switch the flow direction of the fluid,
And a rotating mechanism B for adjusting the flow rate.
【００１２】弁体１は略球形状で、通水口１Ａ，１Ｂ，
１Ｃを連通するＴ字形状の流路を形成してあり、弁箱２
内に水平方向および垂直方向に回動自在に収納してあ
る。弁箱２は十字形状で、開口２Ａ，２Ｂ，２Ｃを連通
するＴ字形状の流路を形成してあり、中心に弁体１を配
設している。The valve body 1 has a substantially spherical shape and has water passages 1A, 1B,
A T-shaped flow path communicating with 1C is formed, and the valve box 2
It is housed inside so that it can rotate horizontally and vertically. The valve box 2 has a cruciform shape, forms a T-shaped flow path that communicates the openings 2A, 2B, 2C, and the valve body 1 is arranged at the center.
【００１３】回転機構Ｂは弁体１を垂直方向に回転する
垂直弁軸３と、弁体１を水平方向に回転する水平弁軸４
と、垂直弁軸３と弁体１を着脱自在に連結するクラッチ
３ａ，３ｂと、水平弁軸４と弁体１を着脱自在に連結す
るクラッチ４ａ，４ｂとからなり、垂直弁軸３には減速
機５と垂直弁軸３を弁体１に着脱する昇降機構７を設
け、水平弁軸４には減速機６と水平弁軸４を弁体１に着
脱する昇降機構８を設けている。また、垂直弁軸３は弁
箱２の開口２Ｃの反対側に配置してあり、水平弁軸は弁
箱２の上部側に配置している。The rotating mechanism B includes a vertical valve shaft 3 for rotating the valve body 1 in the vertical direction and a horizontal valve shaft 4 for rotating the valve body 1 in the horizontal direction.
And clutches 3a and 3b that removably connect the vertical valve shaft 3 and the valve body 1, and clutches 4a and 4b that removably connect the horizontal valve shaft 4 and the valve body 1 to each other. An elevating mechanism 7 for attaching and detaching the speed reducer 5 and the vertical valve shaft 3 to the valve body 1 is provided, and an elevating mechanism 8 for attaching and detaching the speed reducer 6 and the horizontal valve shaft 4 to the valve body 1 is provided on the horizontal valve shaft 4. Further, the vertical valve shaft 3 is arranged on the opposite side of the opening 2C of the valve casing 2, and the horizontal valve shaft is arranged on the upper side of the valve casing 2.
【００１４】クラッチ３ａ，３ｂは噛み合いクラッチ
で、一方のクラッチ３ａを垂直弁軸３の先端に設けてお
り、他方のクラッチ３ｂを弁体１の通水口１Ａに設けて
いる。クラッチ４ａ，４ｂは角形状の凹凸クラッチで、
凸形状のクラッチ４ａを水平弁軸４の先端に設けてお
り、凹形状のクラッチ４ｂを弁体１の通水口１Ｃの反対
側球面に形成している。The clutches 3a and 3b are meshing clutches. One clutch 3a is provided at the tip of the vertical valve shaft 3, and the other clutch 3b is provided at the water inlet 1A of the valve body 1. The clutches 4a and 4b are angular concave and convex clutches,
A convex clutch 4a is provided at the tip of the horizontal valve shaft 4, and a concave clutch 4b is formed on the spherical surface on the opposite side of the water inlet 1C of the valve body 1.
【００１５】減速機５は図示しない駆動源（回転ハンド
ルあるいはモータ等）に連結したウォームギャ９と、ウ
ォームギャ９と噛み合うウォームホイール１０とからな
り、ウォームホイール１０に垂直弁軸３を摺動可能に挿
入してある。垂直弁軸３にはキー１１を設けており、垂
直弁軸３が下降（図１において）すると、ウォームホイ
ール１０に形成した図示しないキー溝に垂直弁軸３のキ
ー１１が嵌合して、ウォームホイール１０の動力を垂直
弁軸３に伝達するようになっている。また、減速機６は
上記した減速機５と同様に構成してある。The speed reducer 5 comprises a worm gear 9 connected to a drive source (not shown) such as a rotating handle or a motor, and a worm wheel 10 meshing with the worm gear 9. The vertical valve shaft 3 is slidably inserted into the worm wheel 10. I am doing it. The vertical valve shaft 3 is provided with a key 11, and when the vertical valve shaft 3 descends (in FIG. 1), the key 11 of the vertical valve shaft 3 fits into a key groove (not shown) formed in the worm wheel 10, The power of the worm wheel 10 is transmitted to the vertical valve shaft 3. The speed reducer 6 has the same structure as the speed reducer 5 described above.
【００１６】昇降機構７は垂直弁軸３の基端に設けた長
雄螺子１２と、長雄螺子１２と螺合する雌螺子ブロック
１３と、雌螺子ブロック１３を回動自在に支持するベア
リング１４とからなり、雌螺子ブロック１３を回転する
と、長雄螺子１２が移動し、それに伴って垂直弁軸３が
昇降移動（図１において）するようになっている。ま
た、昇降機構８は上記した昇降機構７と同様に構成して
ある。The elevating mechanism 7 comprises a long male screw 12 provided at the base end of the vertical valve shaft 3, a female screw block 13 screwed to the long male screw 12, and a bearing 14 rotatably supporting the female screw block 13. When the female screw block 13 is rotated, the long male screw 12 moves, and the vertical valve shaft 3 moves up and down (in FIG. 1) accordingly. The lifting mechanism 8 has the same structure as the lifting mechanism 7 described above.
【００１７】次に、切換弁Ａと回転機構Ｂの作動および
作用を説明する。先ず、昇降機構８を作動して水平弁軸
４を下降（図２において）させ、クラッチ４ａ，４ｂを
嵌合し水平弁軸４と弁体１を連結する。この時、昇降機
構７により垂直弁軸３を上昇（図１において）させ、ク
ラッチ３ａ，３ｂを切り離しておく。この状態で、図示
しない駆動源により減速機６を介して水平弁軸４を回転
すると、図４に示すように、弁体１が水平方向に回転す
ることになる。Next, the operation and action of the switching valve A and the rotating mechanism B will be described. First, the elevating mechanism 8 is operated to lower the horizontal valve shaft 4 (in FIG. 2), the clutches 4a and 4b are fitted, and the horizontal valve shaft 4 and the valve body 1 are connected. At this time, the vertical valve shaft 3 is lifted (in FIG. 1) by the lifting mechanism 7 and the clutches 3a and 3b are disengaged. In this state, when the horizontal valve shaft 4 is rotated by the drive source (not shown) via the speed reducer 6, the valve body 1 is rotated in the horizontal direction as shown in FIG.
【００１８】図４において、イ−ａ，ｂは全開状態の平
面および正面断面図であり、弁体１の通水口１Ａを主流
管と連結する弁箱２の開口２Ａ側、通水口１Ｂを主流管
と連結する開口２Ｂ側、通水口１Ｃを弁箱２の底部側に
位置させた状態である。尚、分岐管と連結する弁箱２の
開口２Ｃには閉塞板を取付けてある。ロ−ａ，ｂは中間
開状態の平面および正面断面図であり、弁体１の回転角
度により流量が調整されることになる。ハ−ａ，ｂは全
閉状態の平面および正面断面図であり、弁体１の通水口
１Ａを弁箱２の開口２Ｃの反対側である垂直弁軸３側、
通水口１Ｂを開口２Ｃ側、通水口１Ｃを弁箱２の底部側
に位置させた状態である。これは、イ−ａ，ｂの状態か
ら弁体１を右方向に９０°回転させた状態である。この
ようにして主流管側への開閉および流量調整が行われる
ことになる。In FIGS. 4A and 4B, ia and b are a plan view and a front sectional view in a fully opened state, in which the water inlet 1A of the valve body 1 is connected to the main flow pipe, and the water inlet 1B is the main flow. This is a state in which the opening 2B side connected to the pipe and the water passage 1C are located on the bottom side of the valve box 2. A closing plate is attached to the opening 2C of the valve box 2 connected to the branch pipe. Rows a and b are a plan view and a front sectional view of the intermediate open state, and the flow rate is adjusted by the rotation angle of the valve body 1. 3a and 3b are a plan view and a front sectional view in a fully closed state, in which the water inlet 1A of the valve body 1 is located on the side of the vertical valve shaft 3 opposite to the opening 2C of the valve box 2,
The water inlet 1B is located on the opening 2C side and the water inlet 1C is located on the bottom side of the valve box 2. This is a state in which the valve body 1 is rotated 90 ° to the right from the states of aa and b. In this way, opening / closing on the mainstream pipe side and flow rate adjustment are performed.
【００１９】次に、図４のハ−ａ，ｂの状態で、昇降機
構７を作動して垂直弁軸３を下降させ、クラッチ３ａ，
３ｂを噛み合わせ垂直弁軸３と弁体１を連結する。ま
た、昇降機構８により水平弁軸４を上昇させ、クラッチ
４ａ，４ｂを切り離す。この状態で、図示しない駆動源
により減速機５を介して垂直弁軸３を回転すると、図５
に示すように、弁体１が垂直方向に回転することにな
る。Next, in the states of FIGS. 4A and 4B, the elevating mechanism 7 is operated to lower the vertical valve shaft 3, and the clutch 3a,
The vertical valve shaft 3 and the valve body 1 are connected to each other by engaging 3b. Further, the elevating mechanism 8 raises the horizontal valve shaft 4 to disconnect the clutches 4a and 4b. In this state, when the vertical valve shaft 3 is rotated via the speed reducer 5 by a drive source (not shown),
As shown in, the valve body 1 rotates in the vertical direction.
【００２０】図５において、ニ−ｃ，ｄは全閉状態の平
面および正面断面図であり、弁体１の通水口１Ａを垂直
弁軸３側、通水口１Ｂを開口２Ｃ側、通水口１Ｃを弁箱
２の底部側に位置させた状態である。尚、弁箱２の開口
２Ｃに取付けた閉塞板は外しておく。ホ−ｃ，ｄは中間
開状態の平面および正面断面図であり、弁体１の回転角
度により流量が調整されることになる。ヘ−ｃ，ｄは全
開状態の平面および正面断面図であり、弁体１の通水口
１Ａを垂直弁軸３側、通水口１Ｂを開口２Ｃ側、通水口
１Ｃを弁箱２の開口２Ｂ側に位置させた状態である。こ
れは、ニ−ｃ，ｄの状態から弁体１を右方向に９０°回
転させた状態である。このようにして分岐管側への開閉
および流量調整が行われることになる。In FIG. 5, reference numerals 2c and d are a plan view and a front sectional view in a fully closed state, in which the water inlet 1A of the valve body 1 is the vertical valve shaft 3 side, the water inlet 1B is the opening 2C side, and the water inlet 1C. Is located on the bottom side of the valve box 2. The closing plate attached to the opening 2C of the valve box 2 is removed. Hours c and d are a plan view and a front sectional view of the intermediate open state, and the flow rate is adjusted by the rotation angle of the valve body 1. 3C and 3D are plan and front cross-sectional views in a fully opened state, in which the water inlet 1A of the valve body 1 is the vertical valve shaft 3 side, the water inlet 1B is the opening 2C side, and the water inlet 1C is the opening 2B side of the valve box 2. It is in the state of being located at. This is a state in which the valve body 1 is rotated 90 ° to the right from the states of d-c and d. In this way, opening / closing on the side of the branch pipe and flow rate adjustment are performed.
【００２１】そして、図５のヘ−ｃ，ｄの状態で、水平
弁軸４のクラッチ４ａが嵌合する嵌合溝を弁体１に形成
すると、図６に示すような状態にすることができる。こ
の場合も、昇降機構８を作動して水平弁軸４を下降さ
せ、クラッチ４ａと弁体１に形成した嵌合溝を嵌合し水
平弁軸４と弁体１を連結する。この時、昇降機構７によ
り垂直弁軸３を上昇させ、クラッチ３ａ，３ｂを切り離
しておく。この状態で、減速機６のウォームホイール１
０が１８０°以上回転するものを使用し、図示しない駆
動源により減速機６を介して水平弁軸４を回転すると、
図６に示すように、弁体１が水平方向に回転することに
なる。When a fitting groove into which the clutch 4a of the horizontal valve shaft 4 is fitted is formed in the valve body 1 in the states c and d of FIG. 5, the state as shown in FIG. 6 can be obtained. it can. Also in this case, the elevating mechanism 8 is operated to lower the horizontal valve shaft 4, and the clutch 4a and the fitting groove formed in the valve body 1 are fitted to connect the horizontal valve shaft 4 and the valve body 1. At this time, the vertical valve shaft 3 is lifted by the lifting mechanism 7 and the clutches 3a and 3b are disengaged. In this state, the worm wheel 1 of the speed reducer 6
When 0 rotates 180 degrees or more and the horizontal valve shaft 4 is rotated through the speed reducer 6 by a drive source (not shown),
As shown in FIG. 6, the valve body 1 rotates in the horizontal direction.
【００２２】図６において、ト−ｅ，ｆは主流管から分
岐管への全開状態の平面および正面断面図であり、弁体
１の通水口１Ａを垂直弁軸３側、通水口１Ｂを開口２Ｃ
側、通水口１Ｃを弁箱２の開口２Ｂ側に位置させた状態
である。チ−ｅ，ｆは主流管から主流管への全開状態の
平面および正面断面図であり、弁体１の通水口１Ａを開
口２Ａ側、通水口１Ｂを開口２Ｂ側、通水口１Ｃを垂直
弁軸３側に位置させた状態である。リーｅ，ｆは両主流
管から分岐管あるいは主流管から主流管および分岐管へ
の全開状態の平面および正面断面図であり、弁体１の通
水口１Ａを開口２Ｂ側、通水口１Ｂを開口２Ａ側、通水
口１Ｃを開口２Ｃ側に位置させた状態である。これは、
ト−ｅ，ｆの状態から弁体１を左方向に９０°および右
方向に９０°回転させた状態である。このようにして主
流管および分岐管側への開閉を行うことができ、従来例
に示した切換弁と同様のことができる。In FIGS. 6A and 6B, reference characters e and f are a plan view and a front sectional view of the main flow pipe to the branch pipe in a fully opened state, in which the water inlet 1A of the valve element 1 is opened on the vertical valve shaft 3 side and the water inlet 1B is opened. 2C
Side, the water passage 1C is located on the side of the opening 2B of the valve box 2. Che-e and f are the plane and front sectional views of the mainstream pipe to the mainstream pipe in a fully opened state. It is in a state of being positioned on the shaft 3 side. Lees e and f are plan and front cross-sectional views of both the main flow pipes and the branch pipes or the main flow pipes to the main flow pipes and the branch pipes in a fully opened state. 2A side, the water passage 1C is located on the side of the opening 2C. this is,
The valve body 1 is rotated 90 ° to the left and 90 ° to the right from the states of Toe and f. In this way, the main flow pipe and the branch pipe can be opened and closed, and the same operation as the switching valve shown in the conventional example can be performed.
【００２３】以上のように、弁体１を垂直および水平方
向に回転させることによって、弁箱２の開口と弁体１の
通水口との組合せを換えることができ、何れの開口から
流入してくる流体をもその流れ方向を切換ることができ
る。また、弁体の回転角度により流量調整も行うことも
できるので、従来の切換弁のように流量調整弁と組み合
わせる必要がないので、経済的であり、弁に必要なスペ
ースもコンパクトにすることができる。As described above, by rotating the valve body 1 in the vertical and horizontal directions, the combination of the opening of the valve box 2 and the water passage port of the valve body 1 can be changed, and any combination of the openings can be introduced. The flow direction of the incoming fluid can also be switched. Also, since the flow rate can be adjusted by the rotation angle of the valve element, it is not necessary to combine it with the flow rate adjusting valve like the conventional switching valve, so it is economical and the space required for the valve can be made compact. it can.
【００２４】[0024]
【発明の効果】本発明は以上のように構成したので、次
のような効果がある。Ｔ字形状に三方向の通水口を形成
した弁体を垂直方向あるいは水平方向に回転することが
できるので、何れの方向からも入って来る流体をも切換
ることができる。そして、弁体の回転角度により流量調
整もできるので、切換弁の前後に流量調整弁を設ける必
要がない。よって、弁を取付けるスペースが小さくな
り、低コストにすることができる。Since the present invention is configured as described above, it has the following effects. Since the valve body having the T-shaped water passages formed in three directions can be rotated in the vertical direction or the horizontal direction, it is possible to switch the incoming fluid from any direction. Since the flow rate can be adjusted by the rotation angle of the valve element, it is not necessary to provide the flow rate adjusting valve before and after the switching valve. Therefore, the space for mounting the valve is reduced, and the cost can be reduced.
【図１】本発明の実施例にかかる切換弁の平面断面図で
ある。FIG. 1 is a plan sectional view of a switching valve according to an embodiment of the present invention.
【図２】本発明の実施例にかかる切換弁の正面断面図で
ある。FIG. 2 is a front sectional view of a switching valve according to an embodiment of the present invention.
【図３】本発明の実施例にかかる切換弁の側面断面図で
ある。FIG. 3 is a side sectional view of a switching valve according to an embodiment of the present invention.
【図４】本発明の実施例にかかる主管側への流れ形態を
示す切換弁の平面断面図および正面断面図である。4A and 4B are a plan sectional view and a front sectional view of a switching valve showing a flow mode to a main pipe side according to an embodiment of the present invention.
【図５】本発明の実施例にかかる分岐管への流れ形態を
示す切換弁の平面断面図および正面断面図である。5A and 5B are a plan sectional view and a front sectional view of a switching valve showing a flow form to a branch pipe according to an embodiment of the present invention.
【図６】本発明の実施例にかかる追加機能の流れ形態を
示す切換弁の平面断面図および正面断面図である。6A and 6B are a plan sectional view and a front sectional view of a switching valve showing a flow mode of an additional function according to an embodiment of the present invention.
【図７】従来例の平面断面である。FIG. 7 is a plane cross section of a conventional example.
【図８】従来例の正面断面である。FIG. 8 is a front cross-section of a conventional example.
Ａ：切換弁 Ｂ：回転機構 １：弁体 １Ａ，１Ｂ，１Ｃ：通水口 ２：弁箱 ２Ａ，２Ｂ，２Ｃ：開口 ３：垂直弁軸 ３ａ，３ｂ：クラッチ ４：水平弁軸 ４ａ，４ｂ：クラッチ ５，６：減速機 ７，８：昇降機構 ９：ウォームギャ １０：ウォームホイール １１：キー １２：長雄螺子 １３：雌螺子ブロック １４：ベアリング A: Switching valve B: Rotation mechanism 1: Valve body 1A, 1B, 1C: Water passage port 2: Valve box 2A, 2B, 2C: Opening 3: Vertical valve shaft 3a, 3b: Clutch 4: Horizontal valve shaft 4a, 4b: Clutch 5,6: Reduction gear 7,8: Lifting mechanism 9: Worm gear 10: Worm wheel 11: Key 12: Long male screw 13: Female screw block 14: Bearing
Claims (4)
体と、Ｔ字形状の三方向に開口を備えた弁箱からなる切
換弁において、 前記弁体を弁箱内で垂直方向あるいは水平方向に回転さ
せて流体の流れ方向を切換えると共に、流量を調整する
回転機構を備えたことを特徴とする切換弁。1. A switching valve comprising a valve body having T-shaped water passages formed in three directions and a valve body having openings in three T-shaped directions, wherein the valve body is arranged vertically in the valve body. Alternatively, the switching valve is characterized by being provided with a rotating mechanism for adjusting the flow rate while rotating in the horizontal direction to switch the flow direction of the fluid.
該弁軸と弁体を着脱自在に連結するクラッチとからな
り、該クラッチを弁体の通水口の少なくとも一箇所に設
けたことを特徴とする請求項１の切換弁。2. A valve shaft, wherein the rotating mechanism rotates a valve body,
2. The switching valve according to claim 1, comprising a clutch that detachably connects the valve shaft and the valve body, and the clutch is provided at at least one position of a water passage port of the valve body.
けたことを特徴とする請求項２の切換弁。3. The switching valve according to claim 2, further comprising an elevating mechanism for attaching and detaching the valve shaft to and from the valve body.
平弁軸と、弁体を垂直方向に回転する垂直弁軸とからな
ることを特徴とする請求項２または３の切換弁。4. The switching valve according to claim 2, wherein the valve shaft comprises a horizontal valve shaft for rotating the valve body in the horizontal direction and a vertical valve shaft for rotating the valve body in the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04296760A JP3131810B2 (en) | 1992-11-06 | 1992-11-06 | Switching valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04296760A JP3131810B2 (en) | 1992-11-06 | 1992-11-06 | Switching valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06147339A true JPH06147339A (en) | 1994-05-27 |
| JP3131810B2 JP3131810B2 (en) | 2001-02-05 |
Family
ID=17837770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP04296760A Expired - Fee Related JP3131810B2 (en) | 1992-11-06 | 1992-11-06 | Switching valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3131810B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012031795A (en) * | 2010-07-30 | 2012-02-16 | Yutaka Giken Co Ltd | Waste heat recovery system |
| WO2022249936A1 (en) * | 2021-05-24 | 2022-12-01 | 株式会社不二工機 | Valve device |
-
1992
- 1992-11-06 JP JP04296760A patent/JP3131810B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012031795A (en) * | 2010-07-30 | 2012-02-16 | Yutaka Giken Co Ltd | Waste heat recovery system |
| WO2022249936A1 (en) * | 2021-05-24 | 2022-12-01 | 株式会社不二工機 | Valve device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3131810B2 (en) | 2001-02-05 |
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