JP2002340223A - Valve - Google Patents
ValveInfo
- Publication number
- JP2002340223A JP2002340223A JP2001149261A JP2001149261A JP2002340223A JP 2002340223 A JP2002340223 A JP 2002340223A JP 2001149261 A JP2001149261 A JP 2001149261A JP 2001149261 A JP2001149261 A JP 2001149261A JP 2002340223 A JP2002340223 A JP 2002340223A
- Authority
- JP
- Japan
- Prior art keywords
- valve box
- valve
- cylindrical
- cylindrical valve
- valve casing
- 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.)
- Withdrawn
Links
Landscapes
- Gasket Seals (AREA)
- Pipe Accessories (AREA)
- Valve Housings (AREA)
- Details Of Valves (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、既設弁から新しい
弁への更新を容易にした弁に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a valve which facilitates updating of an existing valve to a new valve.
【０００２】[0002]
【従来の技術】上水、工業用水、農業用水などの給水配
管系に介設されているバタフライ弁は、図４および図５
に示すように、弁体１と、軸方向の両端部を開口してフ
ランジ２，２を設けた筒状弁箱３と、この筒状弁箱３の
軸線Ｃ１に交差する軸線Ｃ２を有する弁棒４とを備え、
弁体１は弁棒４に取付けられて、該弁棒４の軸線Ｃ２ま
わりに回転可能に筒状弁箱３に収容されている。2. Description of the Related Art A butterfly valve provided in a water supply piping system for tap water, industrial water, agricultural water, etc. is shown in FIGS.
As shown in FIG. 1, a valve having a valve body 1, a cylindrical valve box 3 having flanges 2, 2 opened at both ends in the axial direction, and an axis C 2 intersecting the axis C 1 of the cylindrical valve box 3. With a stick 4,
The valve body 1 is attached to a valve stem 4 and is housed in a cylindrical valve box 3 so as to be rotatable around an axis C2 of the valve stem 4.
【０００３】バタフライ弁は、弁棒４を正逆方向に回転
して、弁体１を全開位置と全閉位置の２位置で保持して
使用される。つまり、弁体１を図５の全開位置に保持す
ることで筒状弁箱３は開通され、図４の全閉位置に保持
することで筒状弁箱３は遮断される。[0003] A butterfly valve is used by rotating a valve rod 4 in forward and reverse directions to hold a valve body 1 at two positions, a fully open position and a fully closed position. That is, the tubular valve box 3 is opened by holding the valve body 1 at the fully open position in FIG. 5, and the tubular valve box 3 is shut off by holding it at the fully closed position in FIG.
【０００４】[0004]
【発明が解決しようとする課題】ところが、前記従来の
バタフライ弁Ｖは、フランジ２，２間の軸方向寸法、つ
まり、筒状弁箱２の面間寸法Ｌを調整する機能を有して
いないので、たとえば、給水配管５，５に介設されてい
る既設のバタフライ弁Ｖが劣化して更新を要求される場
合、給水配管５，５側に面間調整機能が備わっていない
と、給水配管５，５を切断し、これにルーズフランジを
有する管継手を組付ける煩雑な工事が必要になるので、
既設バタフライ弁から新しいバタフライ弁への更新が困
難であった。このことは、前述のバタフライ弁のみなら
ず仕切弁やボール弁などの他の弁類にもいえることであ
る。However, the conventional butterfly valve V does not have a function of adjusting the axial dimension between the flanges 2 and 2, that is, the dimension L between the surfaces of the cylindrical valve box 2. Therefore, for example, when the existing butterfly valve V interposed in the water supply pipes 5, 5 is deteriorated and needs to be updated, if the face-to-face adjustment function is not provided on the water supply pipes 5, 5, the water supply pipe Since it is necessary to perform a complicated work of cutting 5, 5 and assembling a pipe joint having a loose flange to this,
It was difficult to replace the existing butterfly valve with a new butterfly valve. This is true for not only the butterfly valve but also other valves such as a gate valve and a ball valve.
【０００５】そこで、本発明は、煩雑な工事を不要にし
て、既設弁から新しい弁への更新を容易に行なうことが
できる弁を提供することを目的としている。Accordingly, an object of the present invention is to provide a valve which can easily update an existing valve to a new valve without complicated work.
【０００６】[0006]
【課題を解決するための手段】前記目的を達成するため
に、本発明に係る弁は、弁体が軸方向の両端部を開口し
た筒状弁箱の軸線に交差する軸線を有する弁棒に取付け
られて該筒状弁箱に収容され、前記弁棒の作動に追従し
て筒状弁箱を開通・遮断できるように構成した弁におい
て、前記筒状弁箱の軸方向の少なくとも一端部に受け口
を設け、この受け口に弾性シールリングを介在させて可
動弁箱が前記軸方向の進退移動を可能に挿入され、この
可動弁箱が位置調整ボルトにより前記筒状弁箱の軸方向
の端面からの突出量の調整を可能に該筒状弁箱に取付け
られていることを特徴としている。In order to achieve the above object, a valve according to the present invention comprises a valve stem having an axis intersecting an axis of a cylindrical valve box having a valve body opened at both axial ends. A valve which is mounted and accommodated in the cylindrical valve box and configured to open and close the cylindrical valve box following the operation of the valve stem, wherein at least one end of the cylindrical valve box in the axial direction is provided. A receiving port is provided, and a movable valve box is inserted so as to be able to advance and retreat in the axial direction with an elastic seal ring interposed in the receiving port, and the movable valve box is moved from the axial end face of the cylindrical valve box by a position adjusting bolt. Is mounted on the cylindrical valve box so as to adjust the amount of protrusion.
【０００７】本発明によれば、位置調整ボルトによって
可動弁箱を筒状弁箱の軸方向に進退移動させ、可動弁箱
が筒状弁箱の軸方向の端面から突出する長さ（突出量）
を調整することによって、筒状弁箱の面間寸法を調整す
ることができるので、ルーズフランジを有する管継手を
既設配管に組付ける煩雑な工事を不要にして、既設弁か
ら新しい弁への更新を容易に行なうことができる。According to the present invention, the movable valve box is moved back and forth in the axial direction of the cylindrical valve box by the position adjusting bolt, and the length (projection amount) of the movable valve box protruding from the axial end surface of the cylindrical valve box. )
By adjusting the distance between the surfaces of the cylindrical valve box, it is possible to adjust the face-to-face dimensions of the tubular valve box, eliminating the need for complicated work of assembling a pipe fitting with a loose flange to the existing piping, and updating the existing valve to a new valve. Can be easily performed.
【０００８】また、筒状弁箱の受け口に弾性シールリン
グを介在させて、可動弁箱を挿入しているので、筒状弁
箱と可動弁箱との間に可撓性を付与することができる。Further, since the movable valve box is inserted with the elastic seal ring interposed in the receptacle of the cylindrical valve box, flexibility can be provided between the cylindrical valve box and the movable valve box. it can.
【０００９】[0009]
【発明の実施の形態】以下、本発明の一実施の形態を図
面に基づいて説明する。図１は本発明の一実施の形態を
示す縦断面図、図２は図１のＡ−Ａ線断面図、図３は図
１のＢ−Ｂ線断面図である。なお、図４および図５で説
明した従来例と同一もしくは相当部分には、同一符号を
付して説明する。An embodiment of the present invention will be described below with reference to the drawings. 1 is a longitudinal sectional view showing an embodiment of the present invention, FIG. 2 is a sectional view taken along line AA of FIG. 1, and FIG. 3 is a sectional view taken along line BB of FIG. The same or corresponding parts as those of the conventional example described with reference to FIGS. 4 and 5 are denoted by the same reference numerals.
【００１０】図１〜図３において、バタフライＶは、弁
体１と、軸方向の両端部を開口した筒状弁箱３と、この
筒状弁箱３の軸線Ｃ１に交差する軸線Ｃ２を有する弁棒
４とを備え、弁体１は弁棒４に取付けられて、該弁棒４
の軸線Ｃ２まわりに回転可能に筒状弁箱３に収容されて
いる。1 to 3, a butterfly V has a valve body 1, a cylindrical valve box 3 having both axial ends opened, and an axis C2 intersecting the axis C1 of the cylindrical valve box 3. A valve stem 4 attached to the valve stem 4 and the valve stem 4
Is accommodated in the cylindrical valve box 3 so as to be rotatable around the axis C2 of the cylinder.
【００１１】一方、筒状弁箱３の軸方向の一端部には、
拡径した受け口３Ａが設けられ、この受け口３Ａには、
フランジ３Ｂが設けられているとともに、ゴムなどの弾
性材によってな弾性るシールリング７を介在させること
で、気密を保持した状態で可動弁箱６が軸線Ｃ１方向の
進退移動を可能に挿入されており、この可動弁箱６は、
複数本の位置調整ボルト８により筒状弁箱３の軸方向の
端面３Ｃからの突出量ｌの調整を可能に筒状弁箱３に取
付けられている。On the other hand, at one end of the cylindrical valve box 3 in the axial direction,
A receiving port 3A having an enlarged diameter is provided.
With the flange 3B provided and the elastic seal ring 7 made of an elastic material such as rubber interposed, the movable valve box 6 is inserted so as to be able to advance and retreat in the direction of the axis C1 while maintaining airtightness. This movable valve box 6
The cylindrical valve box 3 is attached to the cylindrical valve box 3 so as to adjust the amount of projection l from the axial end face 3C of the valve box 3 by a plurality of position adjusting bolts 8.
【００１２】すなわち、可動弁箱６は、フランジ部６Ａ
と筒部６Ｂとを備え、この筒部６Ｂを筒状弁箱３の受け
口３Ａに挿入して、フランジ部６Ａを筒状弁箱３の端面
３Ｃから外部に突出させてある。また、フランジ部６Ａ
には、複数のねじ孔９とボルト挿通孔９Ａが円周方向等
間隔で隔数ごとに設けられ、筒状弁箱３のフランジ３Ｂ
には、複数のねじ孔９に対向する数のボルト挿通孔９Ｂ
を設けてある。That is, the movable valve box 6 has a flange 6A.
And a cylindrical portion 6B. The cylindrical portion 6B is inserted into the receiving port 3A of the cylindrical valve box 3, and the flange portion 6A is projected outside from the end face 3C of the cylindrical valve box 3. In addition, the flange 6A
Are provided with a plurality of screw holes 9 and bolt insertion holes 9A at equal intervals in the circumferential direction, and a plurality of screw holes 9 and bolt insertion holes 9A.
Has a number of bolt insertion holes 9B opposed to the plurality of screw holes 9.
Is provided.
【００１３】また、複数本の位置調整ボルト８は、筒状
弁箱３の軸線Ｃ１に平行な軸線を有して、可動弁箱６の
フランジ部６Ａに設けた複数のねじ孔９に植え込まれる
とともに、筒状弁箱３のフランジ３Ｂに設けたみボルト
挿通孔９Ｂに挿通される植え込みボルト８Ａと、この植
え込みボルト８Ａをフランジ部６Ａに固着するロックナ
ット８Ｂと、筒状弁箱３のフランジ３Ｂを両側から挟着
する調整・締結ナット８Ｃ，８Ｄとを備えており、フラ
ンジ部６Ａに設けた複数のボルト挿通孔９Ａと、これら
隔数のボルト挿通孔９Ａに対向する給水配管５側のフラ
ンジ５Ａに設けた複数のボルト挿通孔１１に複数本の締
結ボルト１２を挿通し、この締結ボルト１２に螺合した
締結ナット１３により可動弁箱６と配管５側のフランジ
５Ａを、パッキン１０を介して締結することで、バタフ
ライＶを配管５，５に介設してある。The plurality of position adjusting bolts 8 have an axis parallel to the axis C1 of the cylindrical valve box 3 and are implanted in a plurality of screw holes 9 provided in the flange 6A of the movable valve box 6. A stud bolt 8A inserted into a through-bolt insertion hole 9B provided in the flange 3B of the cylindrical valve box 3, a lock nut 8B for fixing the stud bolt 8A to the flange portion 6A, Adjustment / fastening nuts 8C and 8D for clamping the flange 3B from both sides are provided. A plurality of bolt insertion holes 9A provided in the flange portion 6A, and the water supply pipe 5 side opposed to these spaced bolt insertion holes 9A. A plurality of fastening bolts 12 are inserted through a plurality of bolt insertion holes 11 provided in the flange 5A, and the movable valve box 6 and the flange 5A on the pipe 5 side are packed by a fastening nut 13 screwed into the fastening bolt 12. By fastened via a 0, there is interposed a butterfly V to piping 5,5.
【００１４】前記構成において、図１の植え込みボルト
８Ａに対する調整・締結ナット８Ｃ，８Ｄの螺合位置を
変えることによって、実線で示す可動弁箱６の位置を二
点鎖線で示す位置や一点鎖線で示す位置に移動させて、
可動弁箱６が筒状弁箱３の軸方向の端面３Ｃから突出す
る長さ（突出量）ｌをｌ１またはｌ２の範囲で変化させ
て、筒状弁箱３の面間寸法ＬをＬ１またはＬ２に調整す
ることができる。このため、給水配管５，５に介設され
ている既設のバタフライ弁Ｖが劣化して更新を要求され
る場合、給水配管５，５側に面間調整機能が備わってい
なくても、給水配管５，５を切断してこれにルーズフラ
ンジを有する管継手を組付けるような煩雑な工事を行な
うことなく、既設のバタフライ弁Ｖから新しいバタフラ
イ弁Ｖへの更新を容易に行なうことができる。In the above configuration, the position of the movable valve box 6 indicated by a solid line is changed by changing the screwing position of the adjusting / fastening nuts 8C and 8D to the stud 8A of FIG. Move to the position shown
The length (projection amount) l of the movable valve box 6 protruding from the axial end face 3C of the cylindrical valve box 3 is changed in the range of l1 or l2, and the inter-surface dimension L of the cylindrical valve box 3 is changed to L1 or L1. It can be adjusted to L2. For this reason, when the existing butterfly valve V interposed in the water supply pipes 5 and 5 deteriorates and is required to be updated, even if the water supply pipes 5 and 5 do not have the face-to-face adjustment function, the water supply pipes are not provided. The existing butterfly valve V can be easily updated to a new butterfly valve V without performing complicated work such as cutting the 5, 5 and attaching a pipe joint having a loose flange thereto.
【００１５】また、筒状弁箱３の受け口３Ａには、ゴム
などの弾性材によってな弾性るシールリング７を介在さ
せることで、気密を保持した状態で可動弁箱６が軸線Ｃ
１方向の進退移動を可能に挿入されているので、筒状弁
箱３と可動弁箱６との間に可撓性が付与されることにな
る。したがって、給水配管５の軸線と筒状弁箱３の軸線
Ｃ１との相対的な僅かな傾きを吸収することができる。An elastic seal ring 7 made of an elastic material such as rubber is interposed in the receiving port 3A of the cylindrical valve box 3 so that the movable valve box 6 can maintain the airtight state by moving the movable valve box 6 along the axis C.
Since it is inserted so as to be able to move in one direction, flexibility is provided between the cylindrical valve box 3 and the movable valve box 6. Therefore, a relative slight inclination between the axis of the water supply pipe 5 and the axis C1 of the cylindrical valve box 3 can be absorbed.
【００１６】なお、前記実施の形態では、筒状弁箱３の
軸方向一端部の受け口３Ａに、可動弁箱６を、シールリ
ング７により気密を保持して軸線Ｃ１方向の進退移動可
能に挿入し、複数本の位置調整ボルト８により筒状弁箱
３の軸方向の端面３Ｂからの突出量ｌの調整を可能に取
付けているが、筒状弁箱３の軸方向両端部に受け口３Ａ
を設け、この受け口３Ａにも可動弁箱６を気密を保持し
て軸方向の進退移動を可能に挿入し、複数本の位置調整
ボルト８により筒状弁箱３の軸方向の反対側の端面から
の突出量の調整を可能に取付けてもよい。In the above embodiment, the movable valve box 6 is inserted into the receiving port 3A at one end in the axial direction of the cylindrical valve box 3 so as to be able to advance and retreat in the direction of the axis C1 while maintaining the airtightness by the seal ring 7. A plurality of position adjustment bolts 8 are attached so as to adjust the amount of projection l of the cylindrical valve box 3 from the axial end face 3B.
The movable valve box 6 is inserted into the receiving port 3A so as to be able to move in the axial direction while maintaining the airtightness, and the end face of the cylindrical valve box 3 on the opposite side in the axial direction by the plurality of position adjusting bolts 8. May be attached so that the amount of protrusion from the projection can be adjusted.
【００１７】また、前記実施の形態では、バタフライ弁
Ｖで説明しているが、仕切弁やボール弁などの他の弁類
にも適用することができる。In the above embodiment, the description has been made of the butterfly valve V. However, the present invention can be applied to other valves such as a gate valve and a ball valve.
【００１８】[0018]
【発明の効果】以上説明したように、本発明に係る弁は
構成されているので、以下のような格別の効果を奏す
る。As described above, since the valve according to the present invention is constituted, the following special effects can be obtained.
【００１９】すなわち、位置調整ボルトによって可動弁
箱を筒状弁箱の軸方向に進退移動させ、可動弁箱が筒状
弁箱の軸方向の端面から突出する長さ（突出量）を調整
することによって、筒状弁箱の面間寸法を調整すること
ができるので、既設の弁が劣化して更新を要求される場
合、給水配管側に面間調整機能が備わっていなくても、
給水配管を切断してこれにルーズフランジを有する管継
手を組付けるような煩雑な工事を行なうことなく、既設
の弁から新しい弁への更新を容易に行なうことができ
る。また、筒状弁箱の受け口には、ゴムなどの弾性材に
よってな弾性るシールリングを介在させることで、気密
を保持した状態で可動弁箱が軸線方向の進退移動を可能
に挿入されているので、筒状弁箱と可動弁箱との間に可
撓性が付与されることになり、給水配管の軸線と筒状弁
箱の軸線との相対的な僅かな傾きを吸収することができ
る。That is, the movable valve box is moved back and forth in the axial direction of the cylindrical valve box by the position adjusting bolt, and the length (projection amount) of the movable valve box projecting from the axial end surface of the cylindrical valve box is adjusted. By doing so, the face-to-face dimensions of the cylindrical valve box can be adjusted, so if the existing valve deteriorates and needs to be updated, even if the water supply pipe side does not have a face-to-face adjustment function,
An existing valve can be easily updated to a new valve without performing complicated work such as cutting a water supply pipe and assembling a pipe joint having a loose flange thereto. Further, the movable valve box is inserted into the receiving port of the cylindrical valve box so as to be able to advance and retreat in the axial direction while maintaining airtightness by interposing an elastic seal ring made of an elastic material such as rubber. Therefore, flexibility is provided between the cylindrical valve box and the movable valve box, and the relative slight inclination between the axis of the water supply pipe and the axis of the cylindrical valve box can be absorbed. .
【図１】本発明の一実施の形態を示す縦断面図である。FIG. 1 is a longitudinal sectional view showing an embodiment of the present invention.
【図２】図１のＡ−Ａ線断面図である。FIG. 2 is a sectional view taken along line AA of FIG.
【図３】図１のＢ−Ｂ線断面図である。FIG. 3 is a sectional view taken along line BB of FIG. 1;
【図４】従来例の縦断面図である。FIG. 4 is a longitudinal sectional view of a conventional example.
【図５】図４のＣ−Ｃ線断面図である。FIG. 5 is a sectional view taken along line CC of FIG. 4;
１ 弁体 ３ 筒状弁箱 ４ 弁棒 ６ 可動弁箱 ７ 弾性シールリング ８ 位置調整ボルト Ｃ１ 筒状弁箱の軸線 Ｃ２ 弁棒の軸線 ｌ 端面からの突出量 ｌ１ 端面からの突出量 ｌ２ 端面からの突出量 DESCRIPTION OF SYMBOLS 1 Valve body 3 Cylindrical valve box 4 Valve stem 6 Movable valve box 7 Elastic seal ring 8 Position adjustment bolt C1 Axis line of cylindrical valve box C2 Axis line of valve stem l Projection amount from end surface l1 Projection amount from end surface l2 From end surface Projection amount
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ｆ１６Ｋ 27/00 Ｆ１６Ｋ 27/00 Ｃ Ｆ１６Ｌ 55/00 Ｆ１６Ｌ 55/00 Ｍ ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat ゛ (Reference) F16K 27/00 F16K 27/00 C F16L 55/00 F16L 55/00 M
Claims (1)
箱の軸線に交差する軸線を有する弁棒に取付けられて該
筒状弁箱に収容され、前記弁棒の作動に追従して筒状弁
箱を開通・遮断できるように構成した弁において、前記
筒状弁箱の軸方向の少なくとも一端部に受け口を設け、
この受け口に弾性シールリングを介在させて可動弁箱が
前記軸方向の進退移動を可能に挿入され、この可動弁箱
が位置調整ボルトにより前記筒状弁箱の軸方向の端面か
らの突出量の調整を可能に該筒状弁箱に取付けられてい
ることを特徴とする弁。A valve body is mounted on a valve stem having an axis crossing an axis of a cylindrical valve box having both ends opened in the axial direction, housed in the cylindrical valve box, and follows the operation of the valve stem. In a valve configured to be able to open and close the cylindrical valve box by providing a receiving port at at least one end in the axial direction of the cylindrical valve box,
The movable valve box is inserted into the receiving port with an elastic seal ring interposed therebetween so that the movable valve box can move forward and backward in the axial direction, and the movable valve box is adjusted by a position adjusting bolt to the amount of protrusion from the axial end face of the cylindrical valve box. A valve mounted on the cylindrical valve box so as to be adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001149261A JP2002340223A (en) | 2001-05-18 | 2001-05-18 | Valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001149261A JP2002340223A (en) | 2001-05-18 | 2001-05-18 | Valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002340223A true JP2002340223A (en) | 2002-11-27 |
Family
ID=18994458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001149261A Withdrawn JP2002340223A (en) | 2001-05-18 | 2001-05-18 | Valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002340223A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012031948A (en) * | 2010-07-30 | 2012-02-16 | Ckd Corp | Fluid control valve |
| CN113236838A (en) * | 2021-04-29 | 2021-08-10 | 盐城市崇达石化机械有限公司 | Plug valve assembly convenient to disassemble and assemble |
| JP7388877B2 (en) | 2019-10-31 | 2023-11-29 | 株式会社清水合金製作所 | Face-to-face telescopic valve |
-
2001
- 2001-05-18 JP JP2001149261A patent/JP2002340223A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012031948A (en) * | 2010-07-30 | 2012-02-16 | Ckd Corp | Fluid control valve |
| JP7388877B2 (en) | 2019-10-31 | 2023-11-29 | 株式会社清水合金製作所 | Face-to-face telescopic valve |
| CN113236838A (en) * | 2021-04-29 | 2021-08-10 | 盐城市崇达石化机械有限公司 | Plug valve assembly convenient to disassemble and assemble |
| CN113236838B (en) * | 2021-04-29 | 2022-01-18 | 盐城市崇达石化机械有限公司 | Plug valve assembly convenient to disassemble and assemble |
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Legal Events
| Date | Code | Title | Description |
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| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20040908 |
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| A761 | Written withdrawal of application |
Free format text: JAPANESE INTERMEDIATE CODE: A761 Effective date: 20051219 |