JPH0842713A - Positioning device for valve spindle - Google Patents
Positioning device for valve spindleInfo
- Publication number
- JPH0842713A JPH0842713A JP18099694A JP18099694A JPH0842713A JP H0842713 A JPH0842713 A JP H0842713A JP 18099694 A JP18099694 A JP 18099694A JP 18099694 A JP18099694 A JP 18099694A JP H0842713 A JPH0842713 A JP H0842713A
- Authority
- JP
- Japan
- Prior art keywords
- valve rod
- valve
- positioning device
- guide cylinder
- protrusion
- 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
- 239000012530 fluid Substances 0.000 description 15
- 230000000694 effects Effects 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Lift Valve (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、弁の弁棒に接続された
弁子と弁子が接離する弁座との位置関係を定める弁棒の
位置決め装置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 rod positioning device for determining a positional relationship between a valve element connected to a valve valve rod and a valve seat on which the valve valve comes into contact with and separates from a valve seat.
【０００２】[0002]
【従来の技術】通常、玉型弁、仕切弁或いは平板栓とい
った弁は、その弁の弁棒を上下に移動することによっ
て、弁棒に接続された弁子と弁子が接離する弁座との位
置関係を定め、流体の流れを調節或いは遮断する。この
ような弁において、弁棒を上下に移動して位置決めする
機構としては、直接手動或いは機械力で弁棒の軸方向に
力を掛けて弁棒を移動し、直接弁棒の軸にストッパーピ
ンを挿入したり、或いはハンドルに回り止め機構を付け
たりするものであった。2. Description of the Related Art Normally, a valve such as a ball valve, a sluice valve, or a flat-plate valve has a valve seat in which the valve rod connected to the valve rod is moved up and down by moving the valve rod of the valve up and down. And the positional relationship with is determined, and the flow of fluid is regulated or interrupted. In such a valve, as a mechanism for vertically moving and positioning the valve stem, a manual or mechanical force is applied in the axial direction of the valve stem to move the valve stem, and the stopper pin is directly attached to the shaft of the valve stem. Was inserted, or the handle was provided with a rotation stop mechanism.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、これら
弁の弁棒を上下に移動して位置決めする機構によって、
流体の流れを調節し、遮断する弁においては、操作に時
間がかかり、緊急時には操作が遅れると云う恐れがあっ
た。更に、構造が複雑で、製作に時間とコストがかさみ
必ずしも満足するものではなかった。However, due to the mechanism for vertically moving and positioning the valve rods of these valves,
A valve that regulates and shuts off the flow of fluid may take a long time to operate and may be delayed in an emergency. Furthermore, the structure is complicated, and the manufacturing time and cost are not always satisfactory.
【０００４】本発明の目的は、弁の弁棒の軸方向の位置
決め装置において、弁棒の位置決めを速やかに行なえる
と共に、確実に所定の位置に位置決めが可能で、構造が
単純な弁棒の位置決め装置を提供することである。It is an object of the present invention to provide an axial positioning device for a valve stem of a valve, which enables quick positioning of the valve stem and reliable positioning at a predetermined position. It is to provide a positioning device.
【０００５】[0005]
【課題を解決するための手段】上記課題を解決するた
め、本発明は、弁子を弁座に接離する弁棒と、該弁棒を
案内する案内筒とを備えた弁棒の位置決め装置におい
て、前記弁棒の外表面に滑らかな曲線状に突出した突起
部材であって、該突起部材自体の弾性によって前記弁棒
の内部に押し込み可能な前記突起部材と、前記案内筒に
設けられ前記突起部材を係止して前記弁棒の位置決めを
行なう係止溝とを備えたものである。In order to solve the above problems, the present invention provides a valve rod positioning device comprising a valve rod for bringing a valve element into and out of contact with a valve seat, and a guide cylinder for guiding the valve rod. In the projecting member, which is a projecting member projecting in a smooth curved shape on the outer surface of the valve rod, the projecting member being capable of being pushed into the valve rod by the elasticity of the projecting member itself, and the projecting member provided on the guide tube, And a locking groove for locking the projection member to position the valve rod.
【０００６】更に、上記発明において、前記弁棒の位置
決め装置は、前記弁棒の軸方向に設けられた複数の前記
突起部材と、前記案内筒に該突起部材の各々に対応して
係止する前記係止溝とを備えたものである。Further, in the above invention, the valve rod positioning device engages with the plurality of projection members provided in the axial direction of the valve rod and the guide cylinder in correspondence with each of the projection members. The locking groove is provided.
【０００７】そして、上記第１の発明において、前記弁
棒の位置決め装置は、前記弁棒に設けられた一つの前記
突起部材と、前記案内筒の軸方向に該突起部材に係止す
る複数の前記係止溝とを備えたものである。In the first aspect of the invention, the valve rod positioning device includes one protrusion member provided on the valve rod and a plurality of protrusion members that are locked to the protrusion member in the axial direction of the guide cylinder. The locking groove is provided.
【０００８】[0008]
【作用】本発明の弁棒の位置決め装置によれば、弁棒の
外表面に滑らかな曲線状に突出した突起部材であって、
この突起部材自体の弾性によって弁棒の内部に押し込み
可能な突起部材であるので、弁棒を他の手段により軸方
向に移動させると、この突起部材は、案内筒の内側端に
当たり、突起部材自体の弾性によって弁棒の内部に押し
込まれ、案内筒の内部を移動する。そして、案内筒に設
けられた係止溝にこの突起部材が係止して弁棒の位置決
めを行なうことが出来る。従って、弁棒に接続された弁
子の位置決めが設定可能となり、流体の流量の調節乃至
遮断を行なうことが出来る。According to the valve rod positioning device of the present invention, the protrusion member is formed on the outer surface of the valve rod so as to project in a smooth curved shape,
The protrusion member is a protrusion member that can be pushed into the inside of the valve rod by the elasticity of the protrusion member itself. Therefore, when the valve rod is axially moved by another means, the protrusion member comes into contact with the inner end of the guide cylinder and the protrusion member itself. It is pushed into the valve rod by the elasticity of and moves inside the guide cylinder. Then, the projection member can be engaged with the engagement groove provided in the guide cylinder to position the valve rod. Therefore, the positioning of the valve element connected to the valve rod can be set, and the flow rate of the fluid can be adjusted or cut off.
【０００９】更に、上記発明において、弁棒の軸方向に
設けられた複数の突起部材と、案内筒にこの突起部材の
各々に対応して係止する係止溝とを備えたものであるの
で、弁棒を案内筒に他の手段により順次押し込むと、弁
棒の軸方向に設けられた複数の突起部材の内、第１の突
起部材がこれに対応する案内筒の一つの係止溝に係止
し、弁棒の位置決めを行なう。更に、弁棒を押し込むこ
とにより、第２の突起部材がこれに対応する案内筒の係
止溝に係止し、更に、弁棒を押し込むことにより、第３
の突起部材がこれに対応する案内筒の係止溝に係止し、
次々と多段階に弁棒の位置決めを行なうことが出来る。
従って、弁棒に接続された弁子の位置決めを多段階に設
定可能となり、流体の流量の調節乃至遮断を多段階に行
なうことが出来る。Further, in the above invention, a plurality of projecting members provided in the axial direction of the valve rod and a locking groove for locking the guide cylinder corresponding to each of the projecting members are provided. When the valve rod is sequentially pushed into the guide cylinder by other means, the first protrusion member among the plurality of protrusion members provided in the axial direction of the valve rod is engaged with one locking groove of the corresponding guide cylinder. Lock and position the valve stem. Further, when the valve rod is pushed in, the second protrusion member is locked in the corresponding locking groove of the guide cylinder, and further, when the valve rod is pushed in, the third protrusion member is pushed.
The projection member of is locked in the corresponding locking groove of the guide tube,
The valve rod can be positioned in multiple stages one after another.
Therefore, the positioning of the valve element connected to the valve rod can be set in multiple stages, and the flow rate of the fluid can be adjusted or shut off in multiple stages.
【００１０】そして、弁棒の位置決め装置は、弁棒に設
けられた一つの突起部材と、案内筒の軸方向にこの突起
部材に係止する複数の係止溝とを備えたものであるの
で、弁棒を案内筒に他の手段により順次押し込むと、弁
棒に設けられた一つの突起部材は、案内筒の第１の係止
溝に係止し弁棒の位置決めを行なう。更に、弁棒を押し
込むことにより、案内筒の第２の係止溝に係止し、更
に、弁棒を押し込むことにより、案内筒の第３の係止溝
に係止することによって、次々と多段階に弁棒の位置決
めを行なうことが出来る。従って、上記第二の発明と同
様に、弁棒に接続された弁子の位置決めを多段階に設定
可能となり、流体の流量の調節乃至遮断を行なうことが
出来る。Further, the valve rod positioning device is provided with one projection member provided on the valve rod and a plurality of locking grooves for locking the projection member in the axial direction of the guide cylinder. When the valve rod is sequentially pushed into the guide cylinder by other means, one projection member provided on the valve rod engages with the first engaging groove of the guide cylinder to position the valve rod. Further, by pushing the valve rod, it is locked in the second locking groove of the guide cylinder, and further, by pushing the valve rod, it is locked in the third locking groove of the guide cylinder. The valve rod can be positioned in multiple stages. Therefore, similarly to the second aspect, the positioning of the valve element connected to the valve rod can be set in multiple stages, and the flow rate of the fluid can be adjusted or cut off.
【００１１】[0011]
【実施例】以下、本発明に係る弁棒の位置決め装置の実
施例を図面に基づいて詳細に説明する。図１は本発明に
係る弁棒の位置決め装置の第１実施例を示す断面図、図
２は図１の実施例の正面図、図３は図１の実施例の斜視
図、図４は本発明に係る弁棒の位置決め装置の第２実施
例を示し、（Ａ）は正面図、（Ｂ）は（Ａ）の要部断面
図、図５は本発明に係る弁棒の位置決め装置の第３実施
例を示す一部省略断面図、図６は本発明に係る弁棒の位
置決め装置を適用するのに好適な平板栓を示し、弁子が
全開の状態の断面図、図７は図６の平板栓の弁子が全閉
の状態の断面図、を各々示す。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a valve rod positioning device according to the present invention will be described below in detail with reference to the drawings. 1 is a sectional view showing a first embodiment of a valve rod positioning device according to the present invention, FIG. 2 is a front view of the embodiment of FIG. 1, FIG. 3 is a perspective view of the embodiment of FIG. 1, and FIG. The 2nd Example of the valve rod positioning device which concerns on invention is shown, (A) is a front view, (B) is a principal part sectional drawing of (A), FIG. 5 is the valve rod positioning device which concerns on this invention. 3 is a partially omitted sectional view showing a third embodiment, FIG. 6 is a sectional view showing a flat plate stopper suitable for applying the valve rod positioning apparatus according to the present invention, and a valve element is in a fully opened state, and FIG. 2 is a cross-sectional view of the valve of the flat plate plug of FIG.
【００１２】本発明の弁棒の位置決め装置は、玉型弁、
仕切弁或いは平板栓といった通常の弁に適用可能である
が、特に平板栓には好適である。The valve rod positioning device of the present invention is a lens-shaped valve,
It can be applied to a normal valve such as a gate valve or a flat plate stopper, but is particularly suitable for a flat plate stopper.
【００１３】図６、７は、上記平板栓の一例を示し、弁
子が全開の状態の断面図及び弁子が全閉の状態の断面図
を、各々示す。本平板栓２４は、一方向に流体を流す流
路の途中に設けた弁座２５と、弁座２５に接離して流路
を遮断し又は流路の流量を調節する弁子２６とを備えた
ものである。弁座２５は、スリーブ３０の平板栓中央寄
りに設けられ、流体の流れ方向に対して一定の傾斜角α
を有し、傾斜角αの大きさは、７５゜〜８５゜が望まし
いが、本実施例ではα＝９０゜の場合を示している。FIGS. 6 and 7 show an example of the above-mentioned flat plate stopper, showing a sectional view with the valve element fully opened and a sectional view with the valve element fully closed, respectively. The flat plate plug 24 is provided with a valve seat 25 provided in the middle of a flow passage for allowing a fluid to flow in one direction, and a valve element 26 that comes into contact with and separates from the valve seat 25 to block the flow passage or adjust the flow rate of the flow passage. It is a thing. The valve seat 25 is provided near the center of the flat plate stopper of the sleeve 30, and has a constant inclination angle α with respect to the fluid flow direction.
It is desirable that the inclination angle α be 75 ° to 85 °, but in this embodiment, α = 90 ° is shown.
【００１４】一方、弁子２６は、弁座２５に接離する弁
子２６の基体となる平板２７と、平板２７の背部に設け
た長孔２６ａとを有し、長孔２６ａを介して弁棒２によ
り保持されている。平板２７は、金属その他剛性のある
材料で出来ており、弁座２５に対面する面にはゴム、テ
フロン等のシール性を有する弾性材料が焼き付け接着そ
の他の手段により固着されている。このシール性を有す
る弾性材料は、弁子２６側に設けられる替わりに弁座２
５側に設けられても良い。On the other hand, the valve element 26 has a flat plate 27 that is a base of the valve element 26 that comes in contact with and separates from the valve seat 25, and an elongated hole 26a provided in the back portion of the flat plate 27. It is held by a rod 2. The flat plate 27 is made of metal or other rigid material, and an elastic material having a sealing property such as rubber or Teflon is fixed to the surface facing the valve seat 25 by baking adhesion or other means. The elastic material having the sealing property is provided on the valve seat 2 instead of being provided on the valve element 26 side.
It may be provided on the fifth side.
【００１５】更に、弁棒２は、図示されていない移動手
段により流体の流れ方向に垂直の方向に移動可能になっ
ており、弁子２６を支軸２６ｂの周りに反時計方向に回
動させる役目を持つ。弁棒２を支持する栓本体２８の支
持部２８ａにはＯリング３１が設けられ、流体の漏洩を
防止すると共に、弁棒２の流体の流れ方向に平行な方向
への揺動を規制している。Ｏリング３１は、流体の種
類、圧力及び温度等の条件により選定される。弁子２６
は、弁座２５に当接するまでは流体の流れ方向に対し、
弁座２５の傾斜角α（＝９０゜）より小さい傾斜角β
（＝０゜）である。当接後は弁座２５の傾斜角αに一致
する。Further, the valve rod 2 can be moved in a direction perpendicular to the flow direction of the fluid by moving means (not shown), and the valve element 26 is rotated counterclockwise around the support shaft 26b. Have a role. An O-ring 31 is provided on the support portion 28a of the stopper main body 28 that supports the valve rod 2 to prevent fluid leakage and to restrict swinging of the valve rod 2 in a direction parallel to the fluid flow direction. There is. The O-ring 31 is selected according to conditions such as the type of fluid, pressure and temperature. Valve 26
Is in the direction of fluid flow until it abuts the valve seat 25.
Inclination angle β smaller than the inclination angle α (= 90 °) of the valve seat 25
(= 0 °). After the contact, it matches the inclination angle α of the valve seat 25.
【００１６】上記平板栓２４において、弁棒２を所定の
位置に位置決めすることは非常に重要である。何故なら
ば弁棒２の位置によって、弁子２６の回転角度が定ま
り、流体の調節流量が決まってくるからである。In the flat plate plug 24, it is very important to position the valve rod 2 at a predetermined position. This is because the rotation angle of the valve 26 is determined by the position of the valve rod 2 and the regulated flow rate of the fluid is determined.
【００１７】図１は、本発明に係る弁棒の位置決め装置
の実施例を示す断面図である。本実施例の弁棒の位置決
め装置１は、図示しない弁子を弁座に接離する弁棒２
と、この弁棒２を案内する案内筒２０とを備えたもので
ある。更に、弁棒２の外表面４に滑らかな曲線状に突出
し弾性的に弁棒２の内部３に押し込み可能な第１の突起
１１及び第２の突起１３を有する突起部材５と、案内筒
２０に設けられ突起部材５の第１、第２の突起１１、１
３が係止して弁棒２の位置決めを行なう係止溝である長
溝２１を備えたものである。FIG. 1 is a sectional view showing an embodiment of a valve rod positioning device according to the present invention. The valve rod positioning device 1 according to the present embodiment includes a valve rod 2 that moves a valve element (not shown) to and from a valve seat.
And a guide cylinder 20 for guiding the valve rod 2. Further, a protrusion member 5 having a first protrusion 11 and a second protrusion 13 that protrudes in a smooth curved shape on the outer surface 4 of the valve rod 2 and can be elastically pushed into the inside 3 of the valve rod 2, and a guide cylinder 20. The first and second protrusions 11 and 1 of the protrusion member 5 provided on the
3 is provided with a long groove 21 which is a locking groove for locking and positioning the valve rod 2.
【００１８】案内筒２０の係止溝は、案内筒２０の軸方
向に形成された長溝２１であり、突起部材５は、弁棒２
の軸方向に形成された長孔１７に嵌入され、一端６に設
けられた係止片７と、他端９に設けられた係止片１０
と、他端９の近傍に設けられ弁棒２の軸方向の位置決め
の当りとなり、前記突起の一方である第１の突起１１
と、一端６と他端９の間に設けられ、突起部材５の支点
となる支持片１４と、この支持片１４と一端６との間に
設けられ前記突起の他方である第２の突起１３とを有す
るものである。The engaging groove of the guide cylinder 20 is a long groove 21 formed in the axial direction of the guide cylinder 20, and the protruding member 5 is the valve rod 2.
A locking piece 7 fitted in the elongated hole 17 formed in the axial direction and provided at one end 6 and a locking piece 10 provided at the other end 9.
And a first projection 11 which is one of the projections and which is provided in the vicinity of the other end 9 for axial positioning of the valve rod 2.
And a support piece 14 provided between the one end 6 and the other end 9 and serving as a fulcrum of the projection member 5, and a second projection 13 provided between the support piece 14 and the one end 6 and being the other of the projections. And have.
【００１９】図２は、図１の実施例の正面図である。弁
棒２の長孔１７に突起部材５が嵌入され、突起部材５の
他端９近傍に第１の突起１１が見える。第１の突起１１
は、この図では案内筒２０の長溝２１に位置した状態で
ある。FIG. 2 is a front view of the embodiment shown in FIG. The protruding member 5 is fitted into the elongated hole 17 of the valve rod 2, and the first protrusion 11 is visible near the other end 9 of the protruding member 5. First protrusion 11
Is in a state of being positioned in the long groove 21 of the guide cylinder 20 in this figure.
【００２０】図３は、図１の実施例の斜視図である。弁
棒２の長孔１７から突起部材５の第２の突起１３が突出
している状態が分かる。この第２の突起１３は、押圧に
より弁棒２の内部に弾性的に押し込み可能である。案内
筒２０の長溝２１には、第１の突起１１が見えている。FIG. 3 is a perspective view of the embodiment of FIG. It can be seen that the second protrusion 13 of the protrusion member 5 projects from the elongated hole 17 of the valve rod 2. The second protrusion 13 can be elastically pushed into the valve rod 2 by pressing. The first protrusion 11 is visible in the long groove 21 of the guide cylinder 20.
【００２１】以上の構造を有する本実施例の弁棒の位置
決め装置１は、次のように作用する。即ち、図１におい
て、弁棒２は、弁棒２の外表面４に滑らかな曲線状に突
出し弾性的に弁棒２の内部３に押し込み可能な第１、第
２の突起１１、１３を有する突起部材５を有しているの
で、弁棒２を他の手段により軸方向に移動させると、例
えば突起部材５の第１の突起１１は、案内筒２０の内側
端２２ａに当たり、支持片１４を支点にして第１の突起
が弁棒２の内部３側に弾性的にたわんで押し込まれ、第
１の突起は案内筒２０の内部２０ａに位置するようにな
り、次に案内筒２０の内部２０ａを移動し、案内筒２０
に設けられた長溝２１に第１の突起１１が嵌入して、第
１段階の弁棒２の位置決めを行なうことが出来る。この
状態は、弁棒２の長孔１７に嵌入された突起部材５の第
１の突起１１と第２の突起１３との間に案内筒２０の端
部２０ｂが位置している。The valve rod positioning device 1 of the present embodiment having the above structure operates as follows. That is, in FIG. 1, the valve rod 2 has first and second projections 11 and 13 that project in a smooth curved shape on the outer surface 4 of the valve rod 2 and can be elastically pushed into the inside 3 of the valve rod 2. Since the projection member 5 is provided, when the valve rod 2 is axially moved by another means, for example, the first projection 11 of the projection member 5 comes into contact with the inner end 22a of the guide tube 20 and the support piece 14 is moved. With the fulcrum, the first protrusion elastically bends and is pushed into the inside 3 side of the valve rod 2, the first protrusion comes to be positioned inside the guide cylinder 20, and then the inside 20a of the guide cylinder 20. To move the guide tube 20
The first projection 11 can be fitted into the long groove 21 provided in the first groove 11 to position the valve rod 2 in the first stage. In this state, the end portion 20b of the guide cylinder 20 is located between the first protrusion 11 and the second protrusion 13 of the protrusion member 5 fitted in the elongated hole 17 of the valve rod 2.
【００２２】更に、弁棒２を弁本体２３内の方向に移動
させると、第２の突起１３が案内筒２０の内側端２２ａ
に当たり、更に移動することにより、第２の突起１３が
弁棒２の内部３に弾性的に押し込まれ最終的に、二点鎖
線で示したように突起部材５は案内筒２０の長溝２１に
嵌入し係止する。Further, when the valve rod 2 is moved toward the inside of the valve body 23, the second protrusion 13 moves the inner end 22a of the guide cylinder 20.
By further moving, the second protrusion 13 is elastically pushed into the interior 3 of the valve rod 2 and finally the protrusion member 5 is fitted into the long groove 21 of the guide cylinder 20 as shown by the chain double-dashed line. Then lock.
【００２３】次に、上記弁棒２の突起部材５が案内筒２
０の長溝２１に嵌入している状態から、弁棒２を更に弁
本体２３側に移動する場合、そのまま弁棒２を押し込む
ことにより第１の突起１１は、その形状が滑らかに形成
されているので案内筒２０の内側端２２ｂによって、弾
性的に弁棒２の内部３に押し込まれ、弁棒２の移動が可
能になる。一方、弁棒２を弁本体側と反対の外側方向に
移動させる場合には、第２の突起１３′を押圧しなが
ら、弁棒２を引き上げると第２の突起が、案内筒２０の
端部２０ｂによって弁棒２の内部３に押し込まれ、弁棒
２を移動させることが出来る。Next, the protruding member 5 of the valve rod 2 is connected to the guide cylinder 2.
When the valve rod 2 is further moved to the valve main body 23 side from the state in which it is fitted in the long groove 21 of 0, the shape of the first projection 11 is formed smoothly by pushing the valve rod 2 as it is. Therefore, the inner end 22b of the guide cylinder 20 is elastically pushed into the inside 3 of the valve rod 2 to enable the movement of the valve rod 2. On the other hand, when the valve rod 2 is moved in the outward direction opposite to the valve body side, the valve rod 2 is pulled up while pressing the second protrusion 13 ′ and the second protrusion causes the end portion of the guide cylinder 20 to move. The valve rod 2 can be moved by being pushed into the inside 3 of the valve rod 2 by 20b.
【００２４】図４は、本発明に係る弁棒の位置決め装置
の第２実施例を示し、（Ａ）は正面図、（Ｂ）は（Ａ）
の要部断面図である。第２実施例の弁棒の位置決め装置
１は、弁棒２の軸方向に設けられた複数の突起部材５
ａ、５ｂ、５ｃ…と、案内筒２０にこれら突起部材５
ａ、５ｂ、５ｃ…の各々に対応して係止する係止溝であ
る長溝２１ａ、２１ｂ、２１ｃ…とを備えたものであ
る。複数の突起部材５ａ、５ｂ、５ｃ…は、弁棒２の軸
方向及び円周方向に設けられており、本実施例の場合、
突起部材５ａ、５ｂ、５ｃ…は、軸方向に所定間隔に設
けられると共に、円周方向に９０度づつずれて配置され
ている。案内筒２０に設けられた長溝２１ａ、２１ｂ、
２１ｃ…は、案内筒２０の円周方向に９０度づつずらし
て４個所設けられている。FIG. 4 shows a second embodiment of the valve rod positioning device according to the present invention, (A) is a front view and (B) is (A).
FIG. The valve stem positioning device 1 according to the second embodiment includes a plurality of protrusion members 5 provided in the axial direction of the valve stem 2.
a, 5b, 5c, ...
are provided with long grooves 21a, 21b, 21c, which are locking grooves that lock in correspondence with a, 5b, 5c ,. The plurality of protruding members 5a, 5b, 5c ... Are provided in the axial direction and the circumferential direction of the valve rod 2, and in the case of the present embodiment,
The projection members 5a, 5b, 5c ... Are provided at predetermined intervals in the axial direction and are arranged at 90 ° intervals in the circumferential direction. Long grooves 21a, 21b provided in the guide cylinder 20,
21c ... are provided at four locations by shifting by 90 degrees in the circumferential direction of the guide cylinder 20.
【００２５】突起部材５の形状は、同図（Ｂ）に示した
ように、弁棒２の外表面４に滑らかな曲線状に突出した
突起８と、一端６に係止片７と、他端９に係止片１０
と、突起８と他端９（係止片１０）との間の支持片１４
とを有している。第２実施例の弁棒の位置決め装置１の
作用は、図４（Ａ）において、弁棒２を下方に押し込ん
でいくと、先ず突起部材５ａが長溝２１ａに係止し、次
に弁棒２を下方に押し込むと突起部材５ｂが長溝２１ｂ
に係止し、ついで突起部材５ｃが長溝２１ｃに係止し、
その次に突起部材５ｄが長溝２１ｄに係止し、このよう
に複数の突起部材の数だけの回数に多段階に係止するこ
とが出来る。As shown in FIG. 2B, the projection member 5 has a projection 8 protruding in a smooth curved line on the outer surface 4 of the valve rod 2, a locking piece 7 at one end 6, and the like. Locking piece 10 at end 9
And a support piece 14 between the projection 8 and the other end 9 (locking piece 10).
And have. The action of the valve rod positioning device 1 of the second embodiment is as follows. When the valve rod 2 is pushed downward in FIG. 4 (A), the protruding member 5a first engages with the long groove 21a and then the valve rod 2 And push it downwards, the protruding member 5b will become the long groove 21b.
, And then the protruding member 5c is locked in the long groove 21c,
Next, the protruding member 5d is locked in the long groove 21d, and thus the locking can be carried out in multiple stages as many times as the number of the plurality of protruding members.
【００２６】第２実施例において、突起部材５ａ、５
ｂ、５ｃ…は、９０度づつ弁棒２の周りに配置したもの
であったが、これに限らず所要の角度毎に配置しても良
く、又、案内筒２０に設けた長溝２１ａ、２１ｂ、２１
ｃ…についても、同一周方向に限らず、軸方向にずら
し、且つ突起部材５ａ、５ｂ、５ｃ…の配置角度に対応
して設けても良いことは勿論である。In the second embodiment, the protruding members 5a, 5
The b, 5c ... Are arranged around the valve rod 2 by 90 degrees, but the present invention is not limited to this, and may be arranged at every required angle, or the long grooves 21a, 21b provided in the guide cylinder 20. , 21
It is needless to say that c, ... Can be provided not only in the same circumferential direction but also in the axial direction and corresponding to the arrangement angle of the projecting members 5a, 5b, 5c.
【００２７】図５は、本発明に係る弁棒の位置決め装置
の第３実施例を示す一部省略断面図である。第３実施例
の弁棒の位置決め装置１は、弁棒２に設けられた一つの
突起部材５と、案内筒２０の軸方向直線上に、この突起
部材５に係止する複数の係止溝である長溝２１ａ、２１
ｂ、２１ｃ…とを備えたものである。弁棒２を同図の下
方に順次移動することによって、突起部材５は、長溝２
１ａ、２１ｂ、２１ｃ…に順次係止し、弁棒２を多段階
に係止することが出来る。FIG. 5 is a partially omitted sectional view showing a third embodiment of the valve stem positioning device according to the present invention. The valve rod positioning device 1 according to the third embodiment includes a single protruding member 5 provided on the valve rod 2 and a plurality of locking grooves that are locked to the protruding member 5 on the straight line in the axial direction of the guide cylinder 20. Long grooves 21a, 21
b, 21c ... By sequentially moving the valve rod 2 downward in FIG.
The valve rod 2 can be locked in multiple stages by sequentially locking the valve shafts 1a, 21b, 21c, ....
【００２８】以上この発明を図示の実施例について詳し
く説明したが、それを以ってこの発明をそれらの実施例
のみに限定するものではなく、この発明の精神を逸脱せ
ずして種々改変を加えて多種多様の変形をなし得ること
は云うまでもない。Although the present invention has been described in detail with reference to the embodiments shown in the drawings, the present invention is not limited only to those embodiments by virtue thereof, and various modifications can be made without departing from the spirit of the present invention. In addition, it goes without saying that various modifications can be made.
【００２９】[0029]
【発明の効果】本発明によれば、弁棒の外表面に滑らか
な曲線状に突出した突起部材であって、この突起部材自
体の弾性によって弁棒の内部に押し込み可能な突起部材
と、案内筒に設けられ突起部材を係止して弁棒の位置決
めを行なう係止溝を備えたものであるので、弁棒の移動
を速やかに確実に所定の位置に位置決めが可能である。
そして構造が単純で経済的な弁棒の位置決め装置を提供
することが出来る。According to the present invention, there is provided a protruding member which is projected on the outer surface of the valve rod in a smooth curved shape and which can be pushed into the inside of the valve rod by elasticity of the protruding member itself, and a guide. Since it is provided with a locking groove provided on the cylinder for positioning the valve rod by locking the protruding member, the valve rod can be quickly and reliably positioned at a predetermined position.
Further, it is possible to provide an economical valve rod positioning device having a simple structure.
【００３０】更に、上記発明において、弁棒の軸方向に
設けられた複数の突起部材と、案内筒にこの突起部材の
各々に対応して係止する係止溝とを備えたものであるの
で、上記発明の効果に加え、弁棒の複数の突起部材の各
々を対応する案内筒の係止溝に係止することによって、
弁棒を多段階に位置決めが出来、従って、弁棒に接続す
る弁子の位置決めを多段階に行なうと共に、流体流量の
調整乃至遮断を行なうことが出来る。Further, in the above invention, a plurality of projecting members provided in the axial direction of the valve rod and a locking groove for locking the guide cylinder corresponding to each of the projecting members are provided. In addition to the effects of the above invention, by locking each of the plurality of protruding members of the valve rod in the locking groove of the corresponding guide cylinder,
The valve stem can be positioned in multiple stages. Therefore, the valve element connected to the valve stem can be positioned in multiple stages and the fluid flow rate can be adjusted or cut off.
【００３１】そして、弁棒の位置決め装置は、弁棒に設
けられた一つの突起部材と、案内筒の軸方向にこの突起
部材に係止する複数の係止溝とを備えたものであるの
で、上記第１発明の効果に加え、弁棒は多段階に位置決
めされ、これによって弁棒に接続された弁子の位置を多
段階に行なうと共に、流体の流量の調整と遮断とを多段
階に行なうことが可能になる。The valve rod positioning device is provided with one protrusion member provided on the valve rod and a plurality of locking grooves for locking the protrusion member in the axial direction of the guide cylinder. In addition to the effect of the first aspect of the invention, the valve stem is positioned in multiple stages, whereby the valve element connected to the valve stem is positioned in multiple stages, and the flow rate of the fluid is adjusted and shut off in multiple stages. It becomes possible to do.
【図１】本発明に係る弁棒の位置決め装置の第１実施例
を示す断面図である。FIG. 1 is a sectional view showing a first embodiment of a valve stem positioning device according to the present invention.
【図２】図１の第１実施例の正面図である。FIG. 2 is a front view of the first embodiment of FIG.
【図３】図１の第１実施例の斜視図である。3 is a perspective view of the first embodiment of FIG. 1. FIG.
【図４】本発明に係る弁棒の位置決め装置の第２実施例
を示し、（Ａ）は正面図、（Ｂ）は（Ａ）の要部断面図
である。4A and 4B show a second embodiment of the valve stem positioning device according to the present invention, where FIG. 4A is a front view and FIG.
【図５】本発明に係る弁棒の位置決め装置の第３実施例
を示す一部省略断面図である。FIG. 5 is a partially omitted cross-sectional view showing a third embodiment of the valve stem positioning device according to the present invention.
【図６】本発明に係る弁棒の位置決め装置を適用するの
に好適な平板栓を示し、弁子が全開の状態の断面図であ
る。FIG. 6 is a cross-sectional view showing a flat plate plug suitable for applying the valve rod positioning device according to the present invention, in a state where the valve element is fully opened.
【図７】図６の平板栓の弁子が全閉の状態の断面図であ
る。7 is a cross-sectional view of the valve of the flat plate stopper of FIG. 6 in a fully closed state.
【符号の説明】 １ 弁棒の位置決め装置 ２ 弁棒 ３ 内部 ４ 外表面 ５ 突起部材 ２０ 案内筒 ２１ 長溝（係止溝） ２５ 弁座 ２６ 弁子[Explanation of reference numerals] 1 valve rod positioning device 2 valve rod 3 internal 4 outer surface 5 protruding member 20 guide cylinder 21 long groove (locking groove) 25 valve seat 26 valve
Claims (3)
案内する案内筒とを備えた弁棒の位置決め装置におい
て、前記弁棒の外表面に滑らかな曲線状に突出した突起
部材であって、該突起部材自体の弾性によって前記弁棒
の内部に押し込み可能な前記突起部材と、前記案内筒に
設けられ前記突起部材を係止して前記弁棒の位置決めを
行なう係止溝とを備えたものであることを特徴とする弁
棒の位置決め装置。1. A valve rod positioning device comprising a valve rod for moving a valve element toward and away from a valve seat, and a guide cylinder for guiding the valve rod, wherein the valve rod protrudes in a smooth curved shape on the outer surface of the valve rod. A protruding member that can be pushed into the inside of the valve rod by the elasticity of the protruding member itself, and a member that positions the valve rod by locking the protruding member provided on the guide cylinder. A valve rod positioning device, comprising: a stop groove.
装置は、前記弁棒の軸方向に設けられた複数の前記突起
部材と、前記案内筒に該突起部材の各々に対応して係止
する前記係止溝とを備えたものであることを特徴とする
弁棒の位置決め装置。2. The valve rod positioning device according to claim 1, wherein the plurality of protrusion members provided in the axial direction of the valve rod are locked to the guide cylinder in correspondence with each of the protrusion members. A valve rod positioning device, comprising: the locking groove.
装置は、前記弁棒に設けられた一つの前記突起部材と、
前記案内筒の軸方向に該突起部材に係止する複数の前記
係止溝とを備えたものであることを特徴とする弁棒の位
置決め装置。3. The valve rod positioning device according to claim 1, wherein one of the protrusion members is provided on the valve rod,
A valve rod positioning device comprising: a plurality of the locking grooves that are locked to the protruding member in the axial direction of the guide cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6180996A JP2824957B2 (en) | 1994-08-02 | 1994-08-02 | Valve stem positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6180996A JP2824957B2 (en) | 1994-08-02 | 1994-08-02 | Valve stem positioning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0842713A true JPH0842713A (en) | 1996-02-16 |
| JP2824957B2 JP2824957B2 (en) | 1998-11-18 |
Family
ID=16092915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6180996A Expired - Fee Related JP2824957B2 (en) | 1994-08-02 | 1994-08-02 | Valve stem positioning device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2824957B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008133852A (en) * | 2006-11-27 | 2008-06-12 | Aisin Seiki Co Ltd | Valve device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62297518A (en) * | 1986-06-13 | 1987-12-24 | 山浦 正一 | Fixing device for expansion pipe body |
| JPS63146274U (en) * | 1987-03-18 | 1988-09-27 |
-
1994
- 1994-08-02 JP JP6180996A patent/JP2824957B2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62297518A (en) * | 1986-06-13 | 1987-12-24 | 山浦 正一 | Fixing device for expansion pipe body |
| JPS63146274U (en) * | 1987-03-18 | 1988-09-27 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008133852A (en) * | 2006-11-27 | 2008-06-12 | Aisin Seiki Co Ltd | Valve device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2824957B2 (en) | 1998-11-18 |
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