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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