JP2510398B2 - Buffer mechanism of valve body in automatic water diversion device - Google Patents

Buffer mechanism of valve body in automatic water diversion device

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Publication number
JP2510398B2
JP2510398B2 JP5260083A JP26008393A JP2510398B2 JP 2510398 B2 JP2510398 B2 JP 2510398B2 JP 5260083 A JP5260083 A JP 5260083A JP 26008393 A JP26008393 A JP 26008393A JP 2510398 B2 JP2510398 B2 JP 2510398B2
Authority
JP
Japan
Prior art keywords
water
valve body
piston
cylinder
buffer mechanism
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP5260083A
Other languages
Japanese (ja)
Other versions
JPH07113222A (en
Inventor
孝 ▲吉▼田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
YOSHIDA TEKKOSHO KK
Original Assignee
YOSHIDA TEKKOSHO KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by YOSHIDA TEKKOSHO KK filed Critical YOSHIDA TEKKOSHO KK
Priority to JP5260083A priority Critical patent/JP2510398B2/en
Publication of JPH07113222A publication Critical patent/JPH07113222A/en
Application granted granted Critical
Publication of JP2510398B2 publication Critical patent/JP2510398B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、自動定量分水装置にお
ける弁体の緩衝機構に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a buffer mechanism for a valve body in an automatic quantitative water diversion device.

【0002】[0002]

【従来の技術】従来、開水路又は管水路から分水管を介
して静水池に用水を引き込み、静水池内の水を静水池か
ら十分な落差をもって分水路へ越流させる量水ゼキを設
けた分水施設においては、例えば、静水池の水位変動に
従って上下動する浮子に連接体を介して連接する弁体が
分水管吐出口を開閉するようにした自動定量分水装置が
用いられている(特公昭58−2286号公報参照)。
2. Description of the Related Art Conventionally, a water meter is provided to draw water from an open canal or a pipe to a still water reservoir via a water diversion pipe, and to overflow the water in the still water reservoir to the diversion canal with a sufficient head. In water facilities, for example, an automatic quantitative water diversion device is used in which a valve body connected to a float that moves up and down according to the fluctuation of the water level in a still water pond via a connecting body opens and closes a water distribution pipe outlet ( (See Japanese Kokoku No. 58-2286).

【0003】[0003]

【発明が解決しようとする課題】ところが上記の自動定
量分水装置においては、水使用量が増減して静水池の水
位が急変すると、それにともなって浮子に直結する弁体
が分水管吐出口を急激に開閉することになるし、また、
分水管内に不規則な水圧変動が生じると、それにともな
って弁体がばたついてしまう。このため、管路に水撃圧
が生じ、騒音が出たり故障が起こり易いという問題があ
った。
However, in the above-mentioned automatic quantitative water diversion device, when the water level of the still water reservoir suddenly changes due to an increase or decrease in the amount of water used, the valve element directly connected to the float causes the diversion pipe discharge port to change. It will open and close rapidly, and again
When irregular water pressure fluctuations occur in the water diversion pipe, the valve body flutters accordingly. For this reason, there has been a problem that water hammer pressure is generated in the pipe line, which causes noise and is likely to cause a failure.

【0004】そこで、水位の急変等に起因する弁体の動
きを緩やかなものにし、分水管吐出口が急激に開閉しな
いようにすることを解決すべき技術的課題とする。
Therefore, it is a technical subject to be solved that the movement of the valve body caused by the sudden change of the water level and the like is made gentle so as not to open and close the water distribution pipe discharge port suddenly.

【0005】[0005]

【課題を解決するための手段】このために、以下のよう
な自動定量分水装置における弁体の緩衝機構を創り出し
た。すなわち、請求項1に係る発明は、静水池の水位変
動に従って上下動する浮子に連接棒を介して連接する弁
体が、その静水池に水を流入させる分水管の吐出口を開
閉するようにした自動定量分水装置における弁体の緩衝
機構であって、前記分水管に付設されたシリンダと、前
記連接棒に取付けられ前記シリンダ内を二つの室に仕切
るピストンと、前記ピストンの移動時に前記二つの室内
の流体を移動させてそのピストンの動きを緩やかにさせ
る流通路と、を有してなることを特徴としている。ここ
で流通路とは、シリンダの二つの室相互間で直接的に流
体を移動させるためにピストンやシリンダに設ける流体
用の通路、あるいは、シリンダの二つの室とシリンダの
外との間で流体を移動させるためにシリンダに設ける流
体用の通路をいい、例えばピストンやシリンダに形成す
る孔等が該当する。また、請求項2に係る発明は、請求
項1記載の自動定量分水装置における弁体の緩衝機構に
おいて、前記流通路は、前記ピストンに形成され前記二
つの室を連通する連通孔であることを特徴としている。
また、請求項3に係る発明は、請求項1記載の自動定量
分水装置における弁体の緩衝機構において、前記流通路
は、前記二つの室を相互に接続する、流量調整弁を備え
た管路であることを特徴としている。
For this purpose, a buffer mechanism for the valve body in the automatic quantitative water diversion device was created as follows. That is, the invention according to claim 1 is such that the valve body that is connected to the float that moves up and down according to the fluctuation of the water level of the still water reservoir via the connecting rod opens and closes the outlet of the water diversion pipe that allows water to flow into the still water reservoir. A buffer mechanism for a valve body in the automatic quantitative water diversion device, wherein a cylinder attached to the water pipe, a piston attached to the connecting rod for partitioning the cylinder into two chambers, and the piston at the time of movement of the piston And a flow passage that moves the fluid in the two chambers to slow the movement of the piston. Here, the flow passage means a passage for a fluid provided in a piston or a cylinder for directly moving the fluid between the two chambers of the cylinder, or a fluid between the two chambers of the cylinder and the outside of the cylinder. Is a passage for fluid provided in a cylinder for moving the cylinder. For example, a hole formed in a piston or a cylinder corresponds thereto. Further, in the invention according to claim 2, in the buffer mechanism of the valve body in the automatic quantitative water-dividing device according to claim 1, the flow passage is a communication hole that is formed in the piston and communicates the two chambers. Is characterized by.
The invention according to claim 3 is the buffer mechanism of the valve body in the automatic quantitative water-dividing device according to claim 1, wherein the flow passage is a pipe provided with a flow rate adjusting valve that connects the two chambers to each other. It is characterized by being a road.

【0006】[0006]

【作用】従って、静水池の水位が変動すると浮子が上下
動し、これにともなって弁体も上下動する。このとき、
ピストンはシリンダ内の流体を移動させつつそのシリン
ダ内を移動することになり、流通路を流れる流体の抵抗
を受けるため、ピストンの動き、すなわち、弁体の動き
が緩やかになる。なお、請求項2に係る発明において
は、ピストンに設ける連通孔の大きさを調整すること
で、ピストンの受ける抵抗を適宜に設定することでき
る。また、請求項3に係る発明においては、ピストンが
シリンダ内を移動することによって管路を流体が流れる
のであるが、流量調整弁にてその管路を流れる流体の流
量調節をすれば、ピストンの摺動速度、すなわち、弁体
の動きを適宜に規制することができる。
Therefore, when the water level of the still water pond changes, the float moves up and down, and the valve body also moves up and down. At this time,
The piston moves in the cylinder while moving the fluid in the cylinder, and receives the resistance of the fluid flowing in the flow passage, so that the movement of the piston, that is, the movement of the valve body becomes slow. In the invention according to claim 2, the resistance received by the piston can be appropriately set by adjusting the size of the communication hole provided in the piston. Further, in the invention according to claim 3, the fluid flows through the pipeline by moving the piston in the cylinder. However, if the flow rate of the fluid flowing through the pipeline is adjusted by the flow rate adjusting valve, the piston The sliding speed, that is, the movement of the valve body can be appropriately regulated.

【0007】[0007]

【実施例】次に、本発明の第1実施例を図面を参照して
説明する。図1に示す分水施設は、開水路1から適宜分
岐された分水管2を、開水路1より下方位置に設置した
静水槽3(静水池ともいう)内に導入し、分水管2吐出
口からの吐出水を下方に向けて流出させるようにしたも
のである。静水槽3の下流側には下流分水路5に生ずる
水面動揺の影響が静水槽3の水面にまで波及しないよう
な十分な落差をもつ量水ゼキ4が設けられていて、量水
ゼキ4から分水路5に越流させるようになっている。
Next, a first embodiment of the present invention will be described with reference to the drawings. In the water diversion facility shown in FIG. 1, a water diversion pipe 2 appropriately branched from the water diversion channel 1 is introduced into a still water tank 3 (also referred to as a still water pond) installed at a position lower than the water diversion channel 1, and a water diversion pipe 2 discharge port is provided. The water discharged from is discharged downward. On the downstream side of the still water tank 3, there is provided a metered water jet 4 having a sufficient head so that the influence of the water surface fluctuation generated in the downstream diversion channel 5 does not reach the water surface of the still water tank 3. It is designed to overflow into the diversion channel 5.

【0008】静水槽3の水面に浮設される浮子6には連
接棒7が取付けられている。一方、前記分水管2にはエ
ルボ状の管体2aが取付けられており、その管体2aの
上部には鉛直方向に延びるシリンダ8が設けられてい
る。そして、連接棒7がシリンダ8と管体2bとを貫通
し、管体2aの吐出口2bを開閉可能に形成された弁体
10に接続されている。さらに、連接棒7の中間部には
シリンダ8内を摺動可能に形成されたピストン11が取
付けられている。ピストン11で仕切られるシリンダ8
の上室と下室とにはそれぞれ適宜孔径に設定された小孔
9a,9bが明けられ、静水槽3の水が小孔9a,9b
を通ってシリンダ8に出入りできるようになっている。
また、連接棒7は浮子6のねじ穴(図示省略)と螺合し
ており、連接棒7の上端部に設けられたハンドル7aを
回すと、浮子6に対して連接棒7が長手方向に移動し、
浮子6と弁体10間の距離を任意に設定できるようにな
っている。なお、前記小孔9a,9bそれぞれに絞り弁
を設けて、孔径の変更に相当する調節ができるようにし
ても良い。
A connecting rod 7 is attached to a float 6 which is floated on the water surface of the still water tank 3. On the other hand, an elbow-shaped pipe body 2a is attached to the water dividing pipe 2, and a cylinder 8 extending in the vertical direction is provided above the pipe body 2a. Then, the connecting rod 7 penetrates the cylinder 8 and the pipe body 2b, and is connected to the valve body 10 formed so that the discharge port 2b of the pipe body 2a can be opened and closed. Further, a piston 11 formed so as to be slidable in the cylinder 8 is attached to an intermediate portion of the connecting rod 7. Cylinder 8 partitioned by piston 11
The upper chamber and the lower chamber are provided with small holes 9a and 9b each having an appropriate hole diameter so that the water in the still water tank 3 can be discharged into the small holes 9a and 9b.
The cylinder 8 can be moved in and out through it.
Further, the connecting rod 7 is screwed into a screw hole (not shown) of the float 6, and when the handle 7 a provided at the upper end of the connecting rod 7 is turned, the connecting rod 7 is moved in the longitudinal direction with respect to the float 6. Move
The distance between the float 6 and the valve body 10 can be set arbitrarily. A throttle valve may be provided in each of the small holes 9a and 9b so that adjustment corresponding to the change of the hole diameter can be performed.

【0009】次に、上記のように構成した緩衝機構の作
用について説明する。静水槽3の水位変動に従って浮子
6が上下動すると、それに連れて連接棒7が上下動して
ピストン11がシリンダ8内を摺動し、シリンダ8の上
室及び下室に水が出入りする。このとき、小孔9a,9
bはシリンダ8の上下両室に出入りする水の流れを規制
するから、ピストン11の移動速度は静水槽3の水位変
動と小孔9a,9bの孔径とに対応したものになる。す
なわち、シリンダ8内のピストン11はダンパーとして
作用し、弁体10が管体2aの吐出口2bを急激に開閉
しないようにしている。
Next, the operation of the buffer mechanism constructed as described above will be described. When the float 6 moves up and down according to the fluctuation of the water level in the still water tank 3, the connecting rod 7 moves up and down accordingly, and the piston 11 slides in the cylinder 8 to move water in and out of the upper chamber and the lower chamber of the cylinder 8. At this time, the small holes 9a, 9
Since b controls the flow of water in and out of the upper and lower chambers of the cylinder 8, the moving speed of the piston 11 corresponds to the fluctuation of the water level in the still water tank 3 and the diameters of the small holes 9a and 9b. That is, the piston 11 in the cylinder 8 acts as a damper so that the valve body 10 does not suddenly open or close the discharge port 2b of the pipe body 2a.

【0010】次に、第2実施例について説明する。弁体
の緩衝機構を示す図2において、分水管2に取付けられ
たT状の管体2cの上部にはシリンダ8aが設けられて
いる。そして、浮子6と弁体10を連接する連接棒7に
は円周溝を有するピストン11aが取付けられている。
他方、シリンダ8aの小孔9a,9bには管路12が取
付けられ、静水槽3の水面上に導かれた管路12の中間
部には流量制御弁13が取付けられている。なお、図
中、14及び14aはパッキン、Oリング等のシール部
材である。
Next, a second embodiment will be described. In FIG. 2 showing the buffer mechanism of the valve body, a cylinder 8a is provided above the T-shaped tube body 2c attached to the water dividing pipe 2. A piston 11a having a circumferential groove is attached to the connecting rod 7 that connects the float 6 and the valve body 10.
On the other hand, a pipe line 12 is attached to the small holes 9a and 9b of the cylinder 8a, and a flow rate control valve 13 is attached to an intermediate portion of the pipe line 12 guided to the water surface of the still water tank 3. In the figure, 14 and 14a are sealing members such as packing and O-ring.

【0011】本実施例の緩衝機構では、流量制御弁13
を開閉調節することにより、管路12内の水の流量を制
御して、ピストン11a及び弁体10の動きを適宜に規
制することができる。さらに、この制御弁13を閉鎖す
ればピストン11aを所望の位置に保持することができ
るから、弁体10の位置が決まり、吐出口2bの開度を
一定に保つことができる。なお、上記緩衝機構において
は、シリンダ8a及び管路12が閉ループを形成してい
るから、水以外の油等を作動流体として使用することも
可能である。
In the buffer mechanism of this embodiment, the flow control valve 13
By opening and closing the valve, the flow rate of water in the conduit 12 can be controlled and the movements of the piston 11a and the valve body 10 can be appropriately controlled. Further, by closing the control valve 13, the piston 11a can be held at a desired position, so that the position of the valve body 10 is determined and the opening degree of the discharge port 2b can be kept constant. In the above-mentioned buffer mechanism, since the cylinder 8a and the conduit 12 form a closed loop, it is possible to use oil other than water as the working fluid.

【0012】次に、第3実施例について説明する。弁体
の緩衝機構の要部を示す図3において、ピストン11b
にはシリンダ8bの上下両室を連通する連通孔15が形
成されている。なお、シリンダ8bには静水槽3に連通
する小孔は形成されていない。このほかの部分について
は、前述の第1実施例と同様構成であるので、説明を省
略する。
Next, a third embodiment will be described. In FIG. 3 showing the main part of the buffer mechanism of the valve body, the piston 11b
A communication hole 15 that communicates the upper and lower chambers of the cylinder 8b is formed therein. The cylinder 8b has no small hole communicating with the still water tank 3. The other parts have the same structure as in the first embodiment described above, and the description thereof will be omitted.

【0013】したがって、本実施例の緩衝機構では、連
通孔15の孔径を調節することによりピストン11b動
きを適宜に規制することができる。
Therefore, in the shock absorbing mechanism of this embodiment, the movement of the piston 11b can be appropriately regulated by adjusting the diameter of the communication hole 15.

【0014】なお、上述の第1〜第3実施例に限らず、
当業者の知識に基づきいて種々の変更を加えた態様で本
発明を実施し得ることは勿論である。
Not limited to the above-mentioned first to third embodiments,
It goes without saying that the present invention can be implemented in variously modified modes based on the knowledge of those skilled in the art.

【0015】[0015]

【発明の効果】以上説明したように、本発明によれば、
弁体が分水管吐出口を急閉鎖したり、ばたついたりする
ことが無くなる。したがって、水撃作用を有効に防止す
ることができ、自動定量分水装置の作動が安定したもの
となるという効果がある。
As described above, according to the present invention,
The valve body does not suddenly close or flutter the diversion pipe outlet. Therefore, there is an effect that the water hammer effect can be effectively prevented and the operation of the automatic quantitative water diversion device becomes stable.

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

【図1】第1実施例の自動定量分水装置を説明する断面
図である。
FIG. 1 is a sectional view illustrating an automatic quantitative water diversion device according to a first embodiment.

【図2】第2実施例の緩衝機構を説明する断面図であ
る。
FIG. 2 is a sectional view illustrating a cushioning mechanism of a second embodiment.

【図3】第3実施例の緩衝機構を説明する要部断面図で
ある。
FIG. 3 is a sectional view of an essential part for explaining a buffer mechanism of a third embodiment.

【符号の説明】[Explanation of symbols]

1 開水路 2 分水管 2b 吐出口 3 静水槽(静水池) 4 量水ゼキ 5 分水路 6 浮子 7 連接棒 8,8a,8b シリンダ 10 弁体 11,11a,11b ピストン 1 Open water channel 2 Water diversion pipe 2b Discharge port 3 Still water tank (hydrostatic reservoir) 4 Water jet 5 Water diversion channel 6 Float 7 Connecting rod 8, 8a, 8b Cylinder 10 Valve body 11, 11a, 11b Piston

Claims (3)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 静水池の水位変動に従って上下動する浮
子に連接棒を介して連接する弁体が、その静水池に水を
流入させる分水管の吐出口を開閉するようにした自動定
量分水装置における弁体の緩衝機構であって、前記分水管に付設されたシリンダと、 前記連接棒に取付けられ前記シリンダ内を二つの室に仕
切るピストンと、 前記ピストンの移動時に前記二つの室内の流体を移動さ
せてそのピストンの動きを緩やかにさせる流通路と、を
有してなる 自動定量分水装置における弁体の緩衝機構。
1. An automatic quantitative water diversion system in which a valve body, which is connected to a float that moves up and down in accordance with fluctuations in the water level of a still water reservoir via a connecting rod, opens and closes a discharge port of a water diversion pipe that allows water to flow into the still water reservoir. A buffer mechanism for the valve body in the device, which is a cylinder attached to the water diversion pipe and a cylinder attached to the connecting rod to divide the inside of the cylinder into two chambers.
The piston to be cut and the fluid in the two chambers are moved when the piston moves.
And a flow passage that slows the movement of the piston.
Buffering mechanism of the valve in the automatic quantitative diversion device comprising a.
【請求項2】 前記流通路は、前記ピストンに形成され
前記二つの室を連通する連通孔である請求項1記載の自
動定量分水装置における弁体の緩衝機構。
2. The flow passage is formed in the piston.
The self-assembling device according to claim 1, which is a communication hole that connects the two chambers.
The buffer mechanism of the valve body in the dynamic water diversion device.
【請求項3】 前記流通路は、前記二つの室を相互に接
続する、流量調整弁を備えた管路である請求項1記載の
自動定量分水装置における弁体の緩衝機構。
3. The flow passage connects the two chambers to each other.
2. A continuous pipe line provided with a flow rate adjusting valve.
The buffer mechanism of the valve body in the automatic quantitative water diversion device.
JP5260083A 1993-10-18 1993-10-18 Buffer mechanism of valve body in automatic water diversion device Expired - Lifetime JP2510398B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5260083A JP2510398B2 (en) 1993-10-18 1993-10-18 Buffer mechanism of valve body in automatic water diversion device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5260083A JP2510398B2 (en) 1993-10-18 1993-10-18 Buffer mechanism of valve body in automatic water diversion device

Publications (2)

Publication Number Publication Date
JPH07113222A JPH07113222A (en) 1995-05-02
JP2510398B2 true JP2510398B2 (en) 1996-06-26

Family

ID=17343070

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5260083A Expired - Lifetime JP2510398B2 (en) 1993-10-18 1993-10-18 Buffer mechanism of valve body in automatic water diversion device

Country Status (1)

Country Link
JP (1) JP2510398B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101050857B1 (en) * 2010-12-14 2011-07-20 한국농어촌공사 Equality fountain device using non-power

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0696870B2 (en) * 1988-11-19 1994-11-30 財団法人未来農業国際研究財団 Water hammer pressure control automatic quantitative water diversion device

Also Published As

Publication number Publication date
JPH07113222A (en) 1995-05-02

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