JP2890301B2 - valve - Google Patents
valveInfo
- Publication number
- JP2890301B2 JP2890301B2 JP35050796A JP35050796A JP2890301B2 JP 2890301 B2 JP2890301 B2 JP 2890301B2 JP 35050796 A JP35050796 A JP 35050796A JP 35050796 A JP35050796 A JP 35050796A JP 2890301 B2 JP2890301 B2 JP 2890301B2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- valve body
- valve seat
- flow path
- fluid
- 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 - Fee Related
Links
Landscapes
- Taps Or Cocks (AREA)
- Lift Valve (AREA)
- Mechanically-Actuated Valves (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、流体の流量調節と
流路の遮断の双方に使用する弁に係り、特に弁の開閉構
造に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a valve used for both adjusting a flow rate of a fluid and shutting off a flow path, and more particularly to a valve opening / closing structure.
【０００２】[0002]
【従来の技術】流路の一方の向きに流れる流体の流量調
節と前記流路の遮断の双方に使用する弁としては、例え
ば特開平７−３０１３４３号公報に開示されたものが知
られている。この弁は、流路に設けられた弁座と、この
弁座に接離して流体の流量調節又は流路の遮断の双方を
行なう弁体とを備える。弁体の背部は、上下方向に配置
された操作棒の一端に連結材を介して連結されると共
に、弁体は、弁本体に設けられた支点に対して回動可能
に軸支されている。従って、操作棒を上下方向に移動さ
せることにより弁体を前記支点を中心に回動させること
が出来、弁体を弁座に接離させることが出来るものであ
る。2. Description of the Related Art For example, a valve disclosed in Japanese Patent Application Laid-Open No. 7-301343 is known as a valve used for both adjusting the flow rate of a fluid flowing in one direction of a flow path and shutting off the flow path. . This valve includes a valve seat provided in a flow path, and a valve body which comes into contact with and separates from the valve seat to both control the flow rate of fluid or shut off the flow path. The back of the valve body is connected to one end of an operation rod arranged in the vertical direction via a connecting member, and the valve body is rotatably supported on a fulcrum provided on the valve body. . Therefore, by moving the operation rod in the vertical direction, the valve body can be rotated around the fulcrum, and the valve body can be moved toward and away from the valve seat.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、上記弁
のように操作棒を上下方向に移動させて、弁体と弁座と
を接離し、開閉コントロールすることは、弁体の開閉の
位置確認がわかりにくく、且つ操作棒の位置決めが容易
でなく、弁の誤操作又は誤確認をする虞れがある。However, controlling the opening and closing of the valve by moving the operating rod in the vertical direction as in the case of the above-mentioned valve so as to move the valve body and the valve seat apart from each other requires checking the open / close position of the valve body. It is difficult to understand and the positioning of the operation rod is not easy, and there is a possibility that the valve is erroneously operated or erroneously confirmed.
【０００４】更に、従来のボールバルブやコックの様に
開閉操作後にボデーキャビティー（空間）に流体（液
体、ガス等の製品）が残り使用上多くの問題を残す虞れ
がある。Further, there is a possibility that fluids (products such as liquid and gas) remain in the body cavity (space) after the opening and closing operation as in a conventional ball valve or cock, which causes many problems in use.
【０００５】そして、弁体をこのようなリンクによって
操作する機構は部品点数が多くなり、且つ品質レベルの
安定化も困難になる虞れがある。[0005] The mechanism for operating the valve element by such a link may have a large number of parts and may be difficult to stabilize the quality level.
【０００６】本発明の課題は、流路の一方の向きに流れ
る流体の流量調節と流路の遮断の双方に使用する弁にお
いて、弁の誤操作又は誤確認がなく、開閉操作に伴う流
体の残りがなく、且つ開閉機構が単純で部品点数が少な
く品質レベルの安定化が図れることである。SUMMARY OF THE INVENTION It is an object of the present invention to provide a valve used for both adjusting the flow rate of a fluid flowing in one direction of a flow path and shutting off the flow path without erroneous operation or erroneous confirmation of the valve, and remaining fluid associated with opening and closing operations. In addition, the opening and closing mechanism is simple, the number of parts is small, and the quality level can be stabilized.
【０００７】[0007]
【課題を解決するための手段】上記目的を達成するため
本発明は、流路の一方の向きに流れる流体の流量調節と
前記流路の遮断の双方に使用する弁であって、該弁の弁
本体内に設けられた弁座と、前記流体の流れによって移
動自在に設けられ、前記弁座に接離して前記流体の流量
調節又は該弁座に密着して前記流路の遮断を行なうボー
ル形状の弁体とを有する弁において、柔軟性を有し一端
が前記弁体側に固定された細長材を巻き取ることによっ
て前記弁体を前記弁座に接離させる弁体操作手段を備
え、該弁体操作手段は、前記弁本体の近傍で前記流路の
一方の向きと直交する軸の周りに回動可能な操作軸を有
し、該操作軸を９０度回動することによって前記細長材
を巻き取ることである。SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a valve used for both adjusting the flow rate of a fluid flowing in one direction of a flow path and shutting off the flow path. The fluid is moved by a valve seat provided in the valve body and the flow of the fluid.
Mounted for movement, Bo apart against the said valve seat in close contact with the flow regulation or valve seat of the fluid performing cutoff of the flow path
A valve body having a valve body having a valve shape, comprising a valve body operating means for bringing the valve body into and out of contact with the valve seat by winding up an elongated material having flexibility and one end fixed to the valve body side , The valve body operating means is provided in the vicinity of the valve main body for the flow path.
Has an operation axis that can rotate around an axis orthogonal to one direction
By rotating the operating shaft 90 degrees, the elongated material
Is to wind up .
【０００８】上記弁体操作手段を備えることにより、細
長材を操作軸の回動によって巻き取り、弁体は、流体の
動圧に逆らって弁座から離反し、流体の流量を調節する
ことが出来る。又、細長材を操作軸の逆回動により巻き
戻すことにより、ボール形状の弁体は、流路の一方の向
きに流れる流体の動圧により弁座に接近又は密着し、且
つ球面であるので弁体と弁座は常に調芯機能を保持して
おり容易に、確実に密着し、流体の流量を調節又は流路
の遮断をする。又、弁体は、ボール形状であるので流れ
の抵抗が少ない。さらに、細長材を操作軸に巻き取るの
で弁の設置に空間的制約が少ない。操作軸を９０度回動
することによって弁の開閉操作が出来るので、操作軸の
回動角が少なく開閉が容易であり、開閉の状態が視覚的
に確認出来、弁の誤操作又は誤確認が少ない。従って、
本発明の弁は、開閉機構が単純で部品点数が少なく品質
レベルの安定化が図れる。その上、開閉操作に伴う流体
の残りがない。 [0008] By providing the valve body operating means, wound I by the rotation of the operation shaft fine <br/> length material, the valve body is moved away from the valve seat against the dynamic pressure of the fluid, The flow rate of the fluid can be adjusted. Further, by rewinding the reverse rotation of the operation shaft an elongate member, the valve body of the ball-shaped, close or intimate contact with the valve seat by the dynamic pressure of the fluid flowing in one direction of passage, 且
The valve body and valve seat always maintain the centering function
Easy and secure contact, adjust fluid flow or flow path
To shut off. Also, since the valve element is ball-shaped,
Low resistance. Furthermore, since the elongated material is wound around the operation shaft, there is little spatial restriction on the installation of the valve. Rotate operation axis 90 degrees
The valve can be opened and closed by performing
Easy to open and close with a small rotation angle, and visual status of opening and closing
And there is little erroneous operation or erroneous confirmation of the valve. Therefore,
The valve of the present invention has a simple opening and closing mechanism, has a small number of parts, and has a high quality.
The level can be stabilized. In addition, fluids associated with opening and closing operations
There is no rest.
【０００９】更に、上記操作軸を有する弁において、前
記弁体操作手段は、第１及び第２の前記細長材を有し、
該第１及び第２の細長材の他端が各々前記操作軸の外周
の第１、第２の所定の個所に固定され、前記第１及び第
２の細長材の一方は前記操作軸に巻き取られ、他方は前
記操作軸から巻き戻されることである。Further, in the valve having the operating shaft, the valve body operating means includes first and second elongated members,
The other ends of the first and second elongated members are respectively fixed to first and second predetermined locations on the outer periphery of the operation shaft, and one of the first and second elongated members is wound around the operation shaft. The other is to be unwound from the operating shaft.
【００１０】操作軸を回動すると第１及び第２の細長材
によって、第１及び第２の細長材の一方は操作軸に巻き
取られ、他方は前記操作軸から巻き戻されるので、弁体
は、流体の動圧に逆らって確実に弁座から離反し、流体
の流量を調節することが出来る。又、操作軸の逆回転に
より第１及び第２の細長材の一方は操作軸から巻き戻さ
れ、他方は操作軸の外周に巻き取られる。従って、上記
操作軸を有する弁の作用に加え、弁体を確実に巻き取
り、巻き戻しを行なうことが出来、確実に弁座に近接又
は密着し、且つ増し締めを行なうことが出来て、流体の
流量を調節し、遮断する。When the operating shaft is rotated, one of the first and second elongated members is wound around the operating shaft and the other is unwound from the operating shaft by the first and second elongated members. Can reliably separate from the valve seat against the dynamic pressure of the fluid and adjust the flow rate of the fluid. In addition, one of the first and second elongated members is rewound from the operation shaft by the reverse rotation of the operation shaft, and the other is wound around the outer periphery of the operation shaft. Therefore, in addition to the action of the valve having the above-mentioned operation shaft, the valve element can be reliably taken up and unwound, and can be securely brought into close or close contact with the valve seat, and can be retightened. Adjust the flow rate and shut off.
【００１１】更に、上記いずれかの弁において、前記弁
体操作手段は、前記操作軸を９０度回動することによっ
て前記弁体を前記弁座に接離させることである。操作軸
を９０度回動することによって弁の開閉操作が出来るも
のは、上記いずれかの弁の作用に加え、開閉の状態が視
覚的に確認出来、弁の誤操作又は誤確認を確実になくす
ことが出来る。又、操作軸の回動角が少なく開閉が容易
である。Further, in any one of the above-mentioned valves, the valve body operating means moves the valve body toward and away from the valve seat by rotating the operation shaft by 90 degrees. If the valve can be opened and closed by rotating the operating shaft by 90 degrees, in addition to the operation of any of the above valves, the state of opening and closing can be visually confirmed, and erroneous operation or erroneous confirmation of the valve can be reliably eliminated. Can be done. Further, the rotation angle of the operation shaft is small and opening and closing are easy.
【００１２】そして、上記いずれかの弁において、前記
弁体は、ボール形状である。ボール形状の弁体は、上記
いずれかの弁の作用に加え、操作軸を逆回転によって細
長材を巻き戻した時に、弁体が球面であるので弁体と弁
座は常に調芯機能を保持しており容易に、且つ確実に密
着する。又、弁体はボール形状であるので、流れの抵抗
が少ない。In any one of the above-mentioned valves, the valve body is in a ball shape. In addition to the operation of any of the above valves, the ball-shaped valve element has a spherical surface when the operation shaft is reversely rotated to rewind the elongated material, so that the valve element and the valve seat always maintain the centering function. And easily and securely adhere. In addition, since the valve element has a ball shape, flow resistance is small.
【００１３】[0013]
【発明の実施の形態】以下、本発明に係る弁の実施の形
態を図面に基づいて詳細に説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the valve according to the present invention will be described below in detail with reference to the drawings.
【００１４】図１は、本発明に係る弁の第１実施の形態
を示す断面図である。第１実施の形態の弁１は、流路４
０の上流側４２から下流側４３に一方の向き４１に流れ
る流体の流量調節と流路４０の遮断の双方に使用するも
ので、弁本体であるボディ２内に設けられた弁座９と、
弁座９に接離して流体の流量調節又は弁座９に密着して
流路４０の遮断を行なうボール形状の弁体１１と、柔軟
性を有し一端が弁体１１に固定された細長材、例えばワ
イヤー１９を巻き取ることによって弁体１１を弁座９に
接離させる弁体操作手段１８とを備える。FIG. 1 is a sectional view showing a first embodiment of the valve according to the present invention. The valve 1 of the first embodiment has a flow path 4
A valve seat 9 provided in the body 2 which is a valve body, which is used for both the flow rate adjustment of the fluid flowing in one direction 41 from the upstream side 42 to the downstream side 43 and the shutoff of the flow path 40.
A ball-shaped valve element 11 that comes into contact with and separates from the valve seat 9 to regulate the flow rate of fluid or that closes the flow path 40 while being in close contact with the valve seat 9; and an elongated member having flexibility and one end fixed to the valve element 11. For example, a valve body operating means 18 for bringing the valve body 11 into and out of contact with the valve seat 9 by winding up a wire 19 is provided.
【００１５】弁体操作手段１８は、一端側に操作角２４
が形成され、他端側に盤状部が形成された回動可能な操
作軸２３と、操作軸２３の一端側に操作角２４を介して
脱着可能なハンドル３８と、操作軸２３の盤状部に形成
された溝４の所定の個所２７に一端側が固定され、他端
側が弁体１１に固定されたワイヤー１９と、ボディ２の
流路４０に直角方向の開口部に螺合され中心部に孔１２
ｇが設けられたボンネット１２と、ボンネット１２に固
定され中心部に操作軸２３の中間軸部を軸支する押えフ
ランジ３６とを有する。The valve body operating means 18 has an operating angle 24 at one end.
Is formed, a rotatable operation shaft 23 having a disk-shaped portion formed at the other end, a handle 38 detachable via the operation angle 24 at one end of the operation shaft 23, and a disk-shaped operation shaft 23. One end is fixed to a predetermined portion 27 of the groove 4 formed in the portion, and the other end is fixed to the valve body 11 and the wire 19 is screwed into the opening perpendicular to the flow path 40 of the body 2 and the center portion. Hole 12
The bonnet 12 is provided with a g, and a holding flange 36 fixed to the bonnet 12 and supporting the intermediate shaft of the operation shaft 23 at the center thereof.
【００１６】押えフランジ３６は、ボンネット１２に複
数のねじ３６ａによって固定され、スプリングワッシャ
ー３２で操作軸２３の下方への移動を防止し、且つＯリ
ング３３ａによって操作軸２３と押えフランジ３６との
間のシールを、Ｏリング３３ｂによって押えフランジ３
６とボンネット１２との間のシールを、それぞれ行なっ
ている。更に、押えフランジ３６の上面円周方向には、
操作軸２３を回動するハンドル３８の回動位置を固定す
る固定穴１２ａ〜１２ｅが設けられている。The holding flange 36 is fixed to the bonnet 12 by a plurality of screws 36a. The spring washer 32 prevents the operation shaft 23 from moving downward, and the O-ring 33a provides a space between the operation shaft 23 and the holding flange 36. Of the flange 3 is held down by the O-ring 33b.
The seal between the hood 6 and the hood 12 is provided. Further, in the circumferential direction of the upper surface of the holding flange 36,
Fixing holes 12a to 12e for fixing the turning position of the handle 38 for turning the operation shaft 23 are provided.
【００１７】ボンネット１２は、ねじ１２ｆによってボ
ディ２との緩みが防止されている。所定の個所２７に小
ねじ３４で固定されたワイヤー１９は、ボンネット１２
に固着したワイヤー固定部３の孔を通り、同じくボンネ
ット１２に固定されたフック３５頭の孔を通り、弁体の
規定の個所１１ａに固定されている。The hood 12 is prevented from being loosened from the body 2 by screws 12f. The wire 19 fixed to a predetermined place 27 with a small screw 34 is attached to the bonnet 12.
Through the hole of the wire fixing portion 3, which is also fixed to the bonnet 12, and is fixed to a specified portion 11 a of the valve body.
【００１８】ボディ２は、Ｔ字形状で流路方向の二つの
開口部にはスリーブ８、８が嵌入され、一方のスリーブ
８の弁内部側の端が弁座９を形成する。流路方向と直角
方向の開口部にはおねじが設けられ、ボンネット１２内
側に設けられためねじと螺合している。尚、ボディ２は
市販のチーズ継手を加工して得ることも出来る。ボディ
２の材質は、金属、樹脂、非金属（セラミックス、木
材、ゴム等）のいずれでも良い。The body 2 has a T-shape, and sleeves 8 and 8 are fitted into two openings in the flow path direction. One end of the sleeve 8 on the valve inside side forms a valve seat 9. A male screw is provided at an opening in a direction perpendicular to the flow path direction, and is provided inside the bonnet 12 and is screwed with the screw. The body 2 can be obtained by processing a commercially available cheese joint. The material of the body 2 may be any of metal, resin, and nonmetal (ceramics, wood, rubber, etc.).
【００１９】弁体１１及びスリーブ８の少なくとも弁座
９部分の材質及び仕上げ精度は必要に応じて決められ
る。弁体１１は、例えばゴム、樹脂、金属等で出来てい
るか又はこれらの基体にゴムや樹脂のライニングをした
ものから出来ている。弁座９部分は、例えば樹脂、金属
等から形成されている。弁体１１と弁座９の材質は、互
いに異質の材料を使用する。即ち、弁体１１が金属等の
硬い材質であるならば、これに密着する弁座９の材質は
弾力性のある柔らかい材質とし、弁体１１の材質が弾力
性のある柔らかい材質であるならば、弁座９は硬い材質
のものを使用する。The material and finishing accuracy of at least the valve seat 9 of the valve body 11 and the sleeve 8 are determined as required. The valve body 11 is made of, for example, rubber, resin, metal, or the like, or is made of a material in which these substrates are lined with rubber or resin. The valve seat 9 is formed of, for example, resin, metal, or the like. The materials of the valve body 11 and the valve seat 9 are different from each other. That is, if the valve body 11 is a hard material such as a metal, the material of the valve seat 9 in close contact with the valve body 11 is an elastic soft material, and if the material of the valve body 11 is an elastic soft material. The valve seat 9 is made of a hard material.
【００２０】以上の構造を有する第１実施の形態の弁１
は、次のように作用する。即ち、ワイヤー１９を操作軸
２３の回動により巻き取り、弁体１１を弁座９に接離さ
せる弁体操作手段１８を備えたことにより、弁体１１
は、流体の動圧に逆らって弁座９から離反し、流体の流
量を調節することが出来る。又、ワイヤー１９を操作軸
２３の逆回動により巻き戻すことにより、弁体１１は流
路の一方の向き４１に流れる流体の動圧により弁座９に
接近又は密着し、流体の流量を調節又は流路の遮断をす
ることが出来る。従って、弁の誤操作又は誤確認がな
く、開閉操作に伴う流体の残りがなく、且つ開閉機構が
単純で部品点数が少なく品質レベルの安定化が図れる。
又、ワイヤー１９を操作軸２３に巻き取るので弁の設置
に空間的制約が少ない。The valve 1 of the first embodiment having the above structure
Works as follows. That is, by providing the valve body operating means 18 for winding the wire 19 by the rotation of the operation shaft 23 and bringing the valve body 11 into and out of contact with the valve seat 9, the valve body 11
Is separated from the valve seat 9 against the dynamic pressure of the fluid, and the flow rate of the fluid can be adjusted. Also, by rewinding the wire 19 by the reverse rotation of the operation shaft 23, the valve body 11 approaches or adheres to the valve seat 9 by the dynamic pressure of the fluid flowing in one direction 41 of the flow path, and adjusts the flow rate of the fluid. Alternatively, the flow path can be blocked. Therefore, there is no erroneous operation or erroneous confirmation of the valve, there is no fluid remaining due to the opening / closing operation, the opening / closing mechanism is simple, the number of parts is small, and the quality level can be stabilized.
Further, since the wire 19 is wound around the operation shaft 23, there is little spatial restriction on the installation of the valve.
【００２１】図２は、ハンドル３８と共に示した図１の
I−I 線要部断面図である。第１実施の形態の弁１は、
操作軸２３を９０度回動することによって弁の開閉操作
が出来るものである。図２において、２点鎖線で示すハ
ンドル位置４４は、ワイヤー１９が操作軸の溝４に巻き
ついて、図示していない弁体１１が持ち上げられたアキ
の状態を示す（図１の実線の位置）。この時、弁体１１
は、流路４０から外れているので、弁は全開で、しかも
弁体１１による抵抗はほとんどない。ハンドル位置４５
は、ワイヤー１９が巻き戻されて、弁体１１が下げられ
たシマリの状態（図１の２点鎖線の位置）を示す。この
時、弁体１１は、流路４０を完全に遮断している。尚、
図２において図１と同じ構造部分には同じ符号を付けて
示す。FIG. 2 shows the handle of FIG.
FIG. 2 is a sectional view taken along line II of FIG. The valve 1 according to the first embodiment includes:
The valve can be opened and closed by rotating the operation shaft 23 by 90 degrees. In FIG. 2, a handle position 44 indicated by a two-dot chain line indicates a clearance state in which the wire 19 is wound around the groove 4 of the operation shaft and the valve body 11 (not shown) is lifted (the position indicated by the solid line in FIG. 1). . At this time, the valve body 11
Is out of the flow path 40, the valve is fully opened, and there is almost no resistance by the valve element 11. Handle position 45
Shows a state in which the wire 19 is unwound and the valve body 11 is lowered (the position indicated by the two-dot chain line in FIG. 1). At this time, the valve element 11 completely blocks the flow path 40. still,
2, the same components as those in FIG. 1 are denoted by the same reference numerals.
【００２２】次に、図１において、弁体１１の引き上げ
寸法Ｈは、少なくとも弁体の直径Ａφ以上とする。従っ
て、操作軸の溝４の内側直径Ｂφは、次の式から求め
る。即ち、 Ｂπ／４＝Ａ 上式において、例えばＡ＝４０ｍｍとすれば、 Ｂπ／４＝４０ よって、Ｂ＝４０×４／π≒５１となり、操作軸の溝４
の内側直径Ｂφは、少なくとも５１ｍｍ以上とすれば良
いことがわかり、操作軸２３を９０度回動した時に弁体
１１が完全に流路４０から外れるようにする。このよう
に、上式により引き上げ寸法Ｈを操作軸の円周ストロー
クを利用することで引き上げ寸法Ｈを操作軸の溝４の内
側直径Ｂにより自由にコントロール出来る。Next, in FIG. 1, the lifting dimension H of the valve element 11 is at least the diameter Aφ of the valve element. Therefore, the inner diameter Bφ of the groove 4 of the operation shaft is obtained from the following equation. Bπ / 4 = A In the above equation, if A = 40 mm, for example, Bπ / 4 = 40, so that B = 40 × 4 / π ≒ 51, and the groove 4 of the operating shaft
It is understood that the inner diameter Bφ should be at least 51 mm or more, and the valve body 11 is completely removed from the flow path 40 when the operation shaft 23 is rotated by 90 degrees. As described above, the lifting dimension H can be freely controlled by the inner diameter B of the groove 4 of the operating shaft by utilizing the circumferential stroke of the operating shaft.
【００２３】更に、図２に示すように、ハンドル位置４
４とハンドル位置４５及びこれらの間に固定穴１２ａ〜
１２ｅを設け、所要の開閉位置で固定ピン３９をハンド
ルに貫通して固定穴に差すことによりハンドル３８は固
定され、この固定された位置に相当する弁体位置で、流
体の流量調節又は流路の遮断が行なわれ、弁体の上下の
移動をハンドルの９０度回動移動により弁体１１の位置
が一目でわかり、弁の開閉状態が視覚的に確認出来、弁
の誤操作又は誤確認を確実になくすことが出来る。又、
操作軸の回動角が９０度と少なく開閉が容易である。Further, as shown in FIG.
4 and the handle position 45 and the fixing holes 12a to
The handle 38 is fixed by inserting a fixing pin 39 through the handle at a required opening and closing position and inserting it into a fixing hole at a required opening / closing position. The position of the valve body 11 can be seen at a glance by turning the handle 90 degrees, so that the open / closed state of the valve can be visually confirmed. Can be eliminated. or,
The rotation angle of the operation shaft is as small as 90 degrees, and opening and closing is easy.
【００２４】そして、弁体１１は、ボール形状であるの
で、操作軸２３を逆回転によってワイヤー１９を巻き戻
した時に、弁体１１が球面であるので弁体１１と弁座９
とは容易に密着する。その上、弁体１１はボール形状で
あるので、流れの抵抗が少ない。Since the valve body 11 has a ball shape, when the wire 19 is rewound by the reverse rotation of the operating shaft 23, the valve body 11 and the valve seat 9 are spherical because the valve body 11 is spherical.
And easily adhere. In addition, since the valve element 11 has a ball shape, the flow resistance is small.
【００２５】又、本実施の形態の弁１は、開閉操作後に
ボデーキャビティー（空間）に流体（液体、ガス等の製
品）の残りが少ない。In the valve 1 of the present embodiment, the fluid (product such as liquid or gas) remains in the body cavity (space) after the opening and closing operation.
【００２６】上記第１実施の形態の弁１において、弁体
１１の形状は、ボール形状であったが、これに限らず、
平板状、円錐状でも良く、弁体を弁座に押着する構造で
あればすべてこの原理を適用出来る。更に、細長材は、
ワイヤーであったが、この他に鎖、ひも等が利用出来、
材質も金属、非金属、合成樹脂等柔軟性を有し、出来れ
ば伸び縮みの少なく耐摩耗性、引張強度の大きいものが
適している。In the valve 1 of the first embodiment, the shape of the valve body 11 is a ball, but is not limited to this.
This principle may be applied to any structure in which the valve body is pressed against the valve seat. In addition, the elongated material is
It was a wire, but in addition to this, chains, strings, etc. were available,
A material having flexibility such as metal, non-metal, synthetic resin, and the like, with less elongation / shrinkage and high abrasion resistance and high tensile strength is suitable.
【００２７】図３は、図１と同様の第２実施の形態の弁
１を示す断面図である。第２実施の形態の弁１は、第１
実施の形態の弁と同様に、柔軟性を有し一端が弁体１１
側に固定された第１及び第２のワイヤー２０、２１（細
長材）と、これら第１及び第２のワイヤー２０、２１の
他端が各々外周の第１、第２の所定の個所２８、２９に
固定された操作軸２３とを有し、この操作軸２３の回転
によって第１及び第２のワイヤー２０、２１の一方、例
えば第１のワイヤー２０は操作軸２３に巻き取られ、他
方の第２のワイヤー２１は操作軸２３から巻き戻されて
弁体１１を弁座９に接離させる弁体操作手段１８を備え
たことである。FIG. 3 is a sectional view showing a valve 1 according to a second embodiment, similar to FIG. The valve 1 of the second embodiment has a
Like the valve of the embodiment, it has flexibility and one end has a valve body 11.
The first and second wires 20 and 21 (elongated material) fixed to the sides, and the other ends of the first and second wires 20 and 21 are first and second predetermined locations 28 on the outer circumference, respectively. 29, and one of the first and second wires 20, 21 such as the first wire 20 is wound around the operation shaft 23 by the rotation of the operation shaft 23, and the other of the first and second wires 20, 21 is rotated by the rotation of the operation shaft 23. The second wire 21 is provided with a valve body operating means 18 that is unwound from the operation shaft 23 and moves the valve body 11 toward and away from the valve seat 9.
【００２８】操作軸２３は、一端寄りに第１の小径部２
５及び第２の小径部２６が形成され、第１の小径部２５
の第１の所定の個所２８及び第２の小径部２６の第２の
所定の個所２９にそれぞれ小ねじ３４によって第１のワ
イヤー２０及び第２のワイヤー２１の他端が各々固定さ
れており、操作軸２３を、例えば時計回りに回転する
と、一方の第１のワイヤー２０は巻き取られ、第２のワ
イヤー２１は巻き戻されるように、互いに反対の方向に
巻かれるように同期化されている。The operating shaft 23 has a first small diameter portion 2 near one end.
5 and the second small diameter portion 26 are formed, and the first small diameter portion 25 is formed.
The other ends of the first wire 20 and the second wire 21 are fixed to the first predetermined portion 28 and the second predetermined portion 29 of the second small diameter portion 26 by small screws 34, respectively, When the operating shaft 23 is rotated, for example, clockwise, one of the first wires 20 is wound up and the second wire 21 is synchronized so that the wires are wound in opposite directions so as to be unwound. .
【００２９】弁本体２は、上記第１のワイヤー２０と第
２のワイヤー２１を通し、一部共通部分を有する孔７を
有している。孔７は、第１のワイヤー２０と第２のワイ
ヤー２１を通した際に、上側の出口が操作軸２３の第１
の小径部２５及び第２の小径部２６に対して略直角にな
るように形成されている。The valve body 2 has a hole 7 which passes through the first wire 20 and the second wire 21 and has a part in common. When the first wire 20 and the second wire 21 pass through the hole 7, the upper outlet is the first outlet of the operation shaft 23.
Are formed so as to be substantially perpendicular to the small diameter portion 25 and the second small diameter portion 26.
【００３０】第２実施の形態の弁１は、第１のワイヤー
２０の一端と弁体１１との間にはピストン１３が設けら
れており、ピストン１３の一端（下側）は弁体１１をピ
ン１７によって紙面内で揺動可能に軸支している。ピス
トン１３の他端（上側）には、第１のワイヤー２０を固
定する孔１５が形成され、更に突起１４が形成され、突
起１４には第２のワイヤー２１を固定する孔１６が設け
られている。In the valve 1 of the second embodiment, a piston 13 is provided between one end of the first wire 20 and the valve body 11, and one end (lower side) of the piston 13 connects the valve body 11. It is pivotally supported by a pin 17 in the plane of the drawing. At the other end (upper side) of the piston 13, a hole 15 for fixing the first wire 20 is formed, a projection 14 is further formed, and the projection 14 is provided with a hole 16 for fixing the second wire 21. I have.
【００３１】突起１４は、弁本体２に設けられた案内溝
５に沿って上下方向に移動可能であり、且つピストン１
３が回動しないようにしている。The projection 14 is vertically movable along the guide groove 5 provided in the valve body 2 and is
3 does not rotate.
【００３２】上記弁体操作手段１８は、操作軸２３を回
転すると、例えば一方の第１のワイヤー２０は操作軸２
３に巻き取られ、他方の第２のワイヤー２１は操作軸２
３から巻き戻されるので、弁体１１は、確実に弁座９か
ら離反し、流体の流量を調節することが出来る。又、操
作軸２３の逆回転により第１のワイヤー２０は操作軸２
３から巻き戻され、第２のワイヤー２１は操作軸２３の
外周に巻き取られるので、弁体１１は、確実に弁座９に
近接し又は密着し、流体の流量を調節又は遮断する。When the valve operating means 18 rotates the operating shaft 23, for example, one of the first wires 20
3 and the other second wire 21 is connected to the operating shaft 2
3, the valve body 11 is reliably separated from the valve seat 9 and the flow rate of the fluid can be adjusted. In addition, the first wire 20 is connected to the operation shaft 2 by the reverse rotation of the operation shaft 23.
3, the second wire 21 is wound around the outer periphery of the operation shaft 23, so that the valve body 11 is surely close to or in close contact with the valve seat 9, and adjusts or shuts off the flow rate of the fluid.
【００３３】更に、第２実施の形態の弁１は、ピストン
１３が下降すると弁体１１も下降し、流路４０を流れる
流体の動圧により下流側４３（２次側）へ振れる。更に
下降すると、下降するにつれて弁体１１に動圧を大きく
受けるようになる。更に下流側４３へ弁体が振れて弁座
の上点９ａと下点９ｂに当たる。ピン位置１７ａの下方
への力Ｆと弁座の下点９ｂの反力Ｆとが偶力を構成して
弁体１１を弁座９に密着させる。尚、点Ｏ1、Ｏ2及びＯ
3は弁体１１の中心位置を示し、点Ｏ1は弁体が上昇して
弁の全開の状態、点Ｏ3は弁体１１と弁座９とが密着し
た弁の全閉の状態、点Ｏ2は点Ｏ1と点Ｏ3の間の状態
（流量調整の状態）、をそれぞれ示す。Further, in the valve 1 of the second embodiment, when the piston 13 descends, the valve body 11 also descends, and swings to the downstream side 43 (secondary side) by the dynamic pressure of the fluid flowing through the flow path 40. When the valve body further descends, the valve element 11 receives a large dynamic pressure as it descends. Further, the valve body swings to the downstream side 43 and hits the upper point 9a and the lower point 9b of the valve seat. The downward force F at the pin position 17a and the reaction force F at the lower point 9b of the valve seat constitute a couple, and bring the valve body 11 into close contact with the valve seat 9. Note that points O 1 , O 2 and O
3 shows the central position of the valve body 11, the point O 1 is the valve body is raised in the fully open valve state, the point O 3 is fully closed state of the valve in close contact and the valve body 11 and the valve seat 9, the point O 2 indicates a state between the points O 1 and O 3 (a state of flow adjustment).
【００３４】弁体がＯ3の状態で弁座に密着した後、更
に細長材を巻き付けることによりピストンを押し下げる
ことが出来るので、弁座、弁体の密着力を増加出来、所
謂増締めを行なうことが出来る。After the valve body is brought into close contact with the valve seat in the state of O 3 , the piston can be pushed down by further winding an elongated member, so that the adhesion force between the valve seat and the valve body can be increased, and so-called retightening is performed. I can do it.
【００３５】上記のように、第２実施の形態の弁１は、
流体の動圧を受けても弁体１１と弁座９とを確実に接離
させ、流体の流量を調節又は流路の遮断を確実に行なう
ことが出来、且つ増し締めをすることが出来、弁の誤操
作又は誤確認がなく、開閉操作に伴う流体の残りがな
く、又、開閉機構が単純で部品点数が少なく品質レベル
の安定化が図れる。As described above, the valve 1 of the second embodiment is
Even when receiving the dynamic pressure of the fluid, the valve body 11 and the valve seat 9 can be reliably brought into contact with and separated from each other, the flow rate of the fluid can be adjusted or the flow path can be reliably shut off, and retightening can be performed. There is no erroneous operation or erroneous confirmation of the valve, there is no fluid remaining due to the opening / closing operation, and the opening / closing mechanism is simple, the number of parts is small, and the quality level can be stabilized.
【００３６】尚、第２実施の形態の弁１において、弁体
１１を巻き上げる又は巻き戻す第１、２のワイヤー２
０、２１は、弁の片側に配置されているが、左右に一組
ずつダブルに配置されていても良く、更に三組以上のワ
イヤーが配置されていても良い。複数のワイヤーが配置
されたものは、偏心荷重がなくなりピストン１３の上下
動作がスムーズとなり、弁体への押力も確実になる。更
に、図１、２の第１実施の形態の弁と同様に、操作軸２
３を９０度回動することによって弁体１１を弁座９に接
離させるようにすれば、弁の誤操作又は誤確認がなくな
る。In the valve 1 of the second embodiment, the first and second wires 2 for winding or unwinding the valve body 11
Although 0 and 21 are arranged on one side of the valve, they may be arranged in pairs on the right and left, and may be arranged with three or more sets of wires. In the case where a plurality of wires are arranged, the eccentric load is eliminated, the vertical movement of the piston 13 is smooth, and the pressing force on the valve body is also ensured. Further, similarly to the valve of the first embodiment shown in FIGS.
If the valve body 11 is brought into contact with or separated from the valve seat 9 by rotating the 3 by 90 degrees, erroneous operation or erroneous confirmation of the valve is eliminated.
【００３７】図３におけるその他の部分の構造と作用
は、図１、２の弁と同じであるので、同じ符号を付けて
その説明を省略する。Since the structure and operation of the other parts in FIG. 3 are the same as those of the valves in FIGS. 1 and 2, the same reference numerals are given and the description is omitted.
【００３８】[0038]
【発明の効果】本発明の弁によれば、弁の誤操作又は誤
確認がなく、開閉操作に伴う流体の残りがなく、且つ開
閉機構が単純で部品点数が少なく品質レベルの安定化が
図れる。According to the valve of the present invention, there is no erroneous operation or erroneous confirmation of the valve, no fluid remains due to the opening / closing operation, the opening / closing mechanism is simple, the number of parts is small, and the quality level can be stabilized.
【００３９】更に、操作軸のシール（密封）構造が簡単
で確実に出来る。Further, the seal structure of the operation shaft can be made simple and reliable.
【図１】本発明に係る弁の第１実施の形態を示す断面図
である。FIG. 1 is a sectional view showing a first embodiment of a valve according to the present invention.
【図２】ハンドルと共に示した図１の I−I 線要部断面
図である。FIG. 2 is a cross-sectional view taken along a line II of FIG. 1 together with a handle.
【図３】図１と同様の第２実施の形態を示す断面図であ
る。FIG. 3 is a sectional view showing a second embodiment similar to FIG.
１ 弁 ２ ボディ（弁本体） ９ 弁座 １１ 弁体 １８ 弁体操作手段 １９ ワイヤー（細長材） ２０ 第１のワイヤー（第１の細長材） ２１ 第２のワイヤー（第２の細長材） ２３ 操作軸 ２７ 所定の個所 ２８ 第１の所定の個所 ２９ 第２の所定の個所 ４０ 流路 ４１ 一方の向き REFERENCE SIGNS LIST 1 valve 2 body (valve body) 9 valve seat 11 valve body 18 valve body operating means 19 wire (elongated material) 20 first wire (first elongated material) 21 second wire (second elongated material) 23 Operation axis 27 predetermined location 28 first predetermined location 29 second predetermined location 40 flow path 41 one direction
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.6，ＤＢ名) F16K 31/44 F16K 1/14 ──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. 6 , DB name) F16K 31/44 F16K 1/14
Claims (2)
節と前記流路の遮断の双方に使用する弁であって、該弁
の弁本体内に設けられた弁座と、前記流体の流れによっ
て移動自在に設けられ、前記弁座に接離して前記流体の
流量調節又は該弁座に密着して前記流路の遮断を行なう
ボール形状の弁体とを有する弁において、柔軟性を有し
一端が前記弁体側に固定された細長材を巻き取ることに
よって前記弁体を前記弁座に接離させる弁体操作手段を
備え、該弁体操作手段は、前記弁本体の近傍で前記流路
の一方の向きと直交する軸の周りに回動可能な操作軸を
有し、該操作軸を９０度回動することによって前記細長
材を巻き取ることを特徴とする弁。1. A valve used for both adjusting a flow rate of a fluid flowing in one direction of a flow path and shutting off the flow path, comprising: a valve seat provided in a valve body of the valve ; Depending on the flow
Movably provided to adjust the flow rate of the fluid by contacting or separating from the valve seat or to close the flow passage in close contact with the valve seat.
A valve having a ball-shaped valve body, comprising a valve body operating means for bringing the valve body into and out of contact with the valve seat by winding up an elongated material having flexibility and one end fixed to the valve body side , The valve body operating means is provided near the valve main body.
An operation axis that can rotate around an axis that is orthogonal to one
The operation shaft is rotated by 90 degrees to obtain the elongated shape.
A valve characterized by winding material .
は、第１及び第２の前記細長材を有し、該第１及び第２
の細長材の他端が各々前記操作軸の外周の第１、第２の
所定の個所に固定され、前記第１及び第２の細長材の一
方は前記操作軸に巻き取られ、他方は前記操作軸から巻
き戻されることを特徴とする弁。2. The valve operating means according to claim 1, wherein said valve operating means has first and second elongated members.
The other end of the elongated member of the first and the second of the outer periphery of the operating shaft respectively
One of the first and second elongated members is fixed at a predetermined location.
One is wound on the operating shaft, and the other is wound on the operating shaft.
A valve that is returned .
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35050796A JP2890301B2 (en) | 1996-12-27 | 1996-12-27 | valve |
| TW086101619A TW366397B (en) | 1996-12-27 | 1997-02-13 | A valve |
| CN97109941A CN1071437C (en) | 1996-12-27 | 1997-02-14 | Valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35050796A JP2890301B2 (en) | 1996-12-27 | 1996-12-27 | valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10184981A JPH10184981A (en) | 1998-07-14 |
| JP2890301B2 true JP2890301B2 (en) | 1999-05-10 |
Family
ID=18410969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP35050796A Expired - Fee Related JP2890301B2 (en) | 1996-12-27 | 1996-12-27 | valve |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2890301B2 (en) |
| CN (1) | CN1071437C (en) |
| TW (1) | TW366397B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103292018A (en) * | 2012-02-23 | 2013-09-11 | 武汉世纪水元科技股份有限公司 | Automatic load shedding device for gate steel wire rope |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840381B (en) * | 2012-08-16 | 2014-09-10 | 上海鸿研物流技术有限公司 | Valve opening-closing device used for compound type medium-sized bulk container and container |
| TWI508517B (en) * | 2012-10-18 | 2015-11-11 | Avision Inc | Scannin g apparatus for determining scanning image interfered by static electricity |
| JP5724114B1 (en) * | 2014-09-24 | 2015-05-27 | アック東北株式会社 | Multi-function discharge pipe or multi-function valve and pump facility |
| CN104566324A (en) * | 2015-02-03 | 2015-04-29 | 张广山 | Steam boiler air valve |
| WO2017120886A1 (en) * | 2016-01-15 | 2017-07-20 | 白翼志 | Fluid safety shut-off device |
| CN106594336B (en) * | 2017-01-25 | 2018-11-16 | 飞硕液压系统（上海）有限公司 | A kind of unidirectional relief valve |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2206388Y (en) * | 1994-12-26 | 1995-08-30 | 吕学谨 | Rocking valve rod type sealing valve |
| JP3868030B2 (en) * | 1996-06-18 | 2007-01-17 | 株式会社日本触媒 | Cement additive composition and cement compound |
-
1996
- 1996-12-27 JP JP35050796A patent/JP2890301B2/en not_active Expired - Fee Related
-
1997
- 1997-02-13 TW TW086101619A patent/TW366397B/en not_active IP Right Cessation
- 1997-02-14 CN CN97109941A patent/CN1071437C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103292018A (en) * | 2012-02-23 | 2013-09-11 | 武汉世纪水元科技股份有限公司 | Automatic load shedding device for gate steel wire rope |
| CN103292018B (en) * | 2012-02-23 | 2016-05-18 | 武汉世纪水元科技股份有限公司 | Gate steel wire rope automatic load limitation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1186920A (en) | 1998-07-08 |
| CN1071437C (en) | 2001-09-19 |
| TW366397B (en) | 1999-08-11 |
| JPH10184981A (en) | 1998-07-14 |
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