JPH0232506B2 - - Google Patents
Info
- Publication number
- JPH0232506B2 JPH0232506B2 JP57126783A JP12678382A JPH0232506B2 JP H0232506 B2 JPH0232506 B2 JP H0232506B2 JP 57126783 A JP57126783 A JP 57126783A JP 12678382 A JP12678382 A JP 12678382A JP H0232506 B2 JPH0232506 B2 JP H0232506B2
- Authority
- JP
- Japan
- Prior art keywords
- ball
- valve
- valve seat
- guide vane
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000463 material Substances 0.000 claims description 15
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 230000002265 prevention Effects 0.000 claims description 4
- 239000012530 fluid Substances 0.000 description 12
- 230000009916 joint effect Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0406—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded in the form of balls
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Safety Valves (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
Description
【発明の詳細な説明】 本発明は吐出圧力調整弁の改良に関する。[Detailed description of the invention] The present invention relates to improvements in discharge pressure regulating valves.
吐出圧力調整弁において、弁座に対向してボー
ルを配置し、該ボールを弁座に押圧する弾性押圧
手段を設け、該押圧力を加減設定して、該弁によ
り通過流体の吐出圧力一定に調整される。流体が
ボールに対向して弁座から流入し、弁側方向へ流
出するとき、いわゆる弁鳴りが生ずることがあ
る。殊に弁が開き始めたとき、ニユートラルポイ
ントで最も顕著にあらわれる。 In the discharge pressure regulating valve, a ball is arranged opposite to the valve seat, and an elastic pressing means is provided to press the ball against the valve seat, and the pressing force is adjusted to adjust the discharge pressure of the passing fluid by the valve. be adjusted. When fluid flows in from the valve seat opposite the ball and flows out toward the valve side, so-called valve noise may occur. It is most noticeable at the neutral point, especially when the valve begins to open.
本発明の課題とするところは、上記の弁鳴りを
防止することにある。弁鳴りは、流体が弁部を通
過するときに生ずる波動、弁部の振動、共振が相
互に影響して起ると考えられる。 An object of the present invention is to prevent the above-mentioned valve noise. Valve noise is thought to be caused by the mutual influence of waves generated when fluid passes through the valve, vibration of the valve, and resonance.
ところで従来、上記吐出圧力調整弁の構造にお
いて、ボールを弁座に対向して配置するにあた
り、ボールを弁座中心線上に保持する工夫が施さ
れてきた。例えば弁座中心軸線上にボールの上下
変位のため、該軸線方向の円筒面に沿つて摺動自
在に配設した案内羽根材に上記ボールをスポツト
溶接し、該ボールと案内羽根材を一体とした弁主
体として構成している。この構成は上記中心保持
と振動の吸収を意図していた。そして、上記ボー
ルに、ベローズ、コイルスプリング等の適宜の弾
性材を介在して、弁座へ押圧力を及ぼしている。 Conventionally, in the structure of the above-mentioned discharge pressure regulating valve, when arranging the ball to face the valve seat, efforts have been made to maintain the ball on the center line of the valve seat. For example, in order to vertically displace the ball on the center axis of the valve seat, the ball is spot welded to a guide vane material that is slidably disposed along the cylindrical surface in the axial direction, and the ball and the guide vane material are integrally assembled. It is structured as a valve main body. This configuration was intended to maintain the center and absorb vibrations. The ball exerts a pressing force on the valve seat through a suitable elastic material such as a bellows or a coil spring.
しかるに、上記の弁主体構成で、現実には、上
記中心保持、弁閉塞の完全および振動予防による
弁鳴りの防除が夫々に極めて達成され難く、問題
そのものであることが経験されている。 However, in reality, with the above-mentioned valve body configuration, it has been experienced that the above-mentioned center maintenance, complete valve occlusion, and prevention of valve noise by vibration prevention are extremely difficult to achieve, and are problematic in themselves.
本発明は上記問題について種々対策を試みた中
から導き出された。その目的とするところは、従
来の構造を基本としてこれに改良を加え、しかも
弁鳴りを排除し、かつ弁閉塞は完全に行われる吐
出圧力調整弁を提供する。 The present invention was derived from attempts at various solutions to the above problem. The object of the present invention is to provide a discharge pressure regulating valve which is based on the conventional structure and improved upon, eliminates valve noise, and completely closes the valve.
本発明は、弁の主体となるボールが案内羽根材
の球面から凹窩に密着して回動自在に構成されて
いることにより弁座閉塞の精度が向上し、ボール
の反対側に円筒子から成る整流素子を当接するこ
とによつてボールの中心位置保持の補補助、振動
の防止、共振の抑制を行ない、かつ弁座と円筒子
との間に形成した環状流路によつて流体流れの整
流作用とボール表面における流動の均整化作用を
行ない、ボールに対抗して当接させた上記案内羽
根材と整流素子の共同作業により弁閉塞を完全に
しつつ弁鳴りを効果的に阻止し得る弁鳴り防止装
置を提供する。 In the present invention, the ball, which is the main body of the valve, is rotatably attached to the concave hole from the spherical surface of the guide vane material, thereby improving the accuracy of closing the valve seat. By abutting the rectifying element, it helps maintain the center position of the ball, prevents vibration, and suppresses resonance, and the annular flow path formed between the valve seat and the cylindrical element improves fluid flow. A valve that performs a rectifying action and an equalizing action on the flow on the ball surface, and can effectively prevent valve noise while completely closing the valve through the joint action of the rectifying element and the guide vane material opposed to and in contact with the ball. Provides a ringing prevention device.
次に本発明を図面の実施例とともに説明する。
図示の吐出圧力調整弁はルームクーラ、冷蔵庫等
に用いられる加圧冷媒の圧力調整弁である。 Next, the present invention will be explained with reference to embodiments shown in the drawings.
The illustrated discharge pressure regulating valve is a pressure regulating valve for pressurized refrigerant used in room coolers, refrigerators, and the like.
本体1の下方に流入管2、側方に流出管3が接
続され、その間を連通する通路にボール4を弁体
とした弁が示される。 A valve is shown in which an inflow pipe 2 is connected to the lower part of the main body 1, an outflow pipe 3 is connected to the side thereof, and a ball 4 is used as a valve body in a passage communicating therebetween.
弁座21に対抗して配置された上記ボール4
は、弁室20の上方に伸びる円筒内面にその外縁
を接して上下摺動自在に配設した案内羽根材5に
当接して、後述の押圧手段で、上記ボールを下方
向弁座へ押圧して設けられている。 The ball 4 is placed opposite the valve seat 21.
The ball comes into contact with a guide vane member 5, which is arranged so as to be able to slide up and down with its outer edge in contact with the cylindrical inner surface extending upwardly of the valve chamber 20, and presses the ball downward toward the valve seat using a pressing means to be described later. It is provided.
上記案内羽根材5の中心部分はボール4に接す
る球面からなる凹窩5aにボール4を抱えて、こ
の間にボール4の遊びなく、しかし回動自在に設
けられている。 The central portion of the guide vane material 5 is provided to hold the ball 4 in a concave cavity 5a made of a spherical surface that is in contact with the ball 4, and the ball 4 can freely rotate therebetween without any play.
従来の上記ボール弁の構造では、上記に類似の
案内羽根材中心部にボールを配置し、これをスポ
ツト溶接により、案内羽根材とボールとを一体に
して上下摺動自在とした弁主体が構成されていた
ものであつた。 In the conventional structure of the above-mentioned ball valve, a ball is placed in the center of a guide vane material similar to the above, and this is spot-welded to form a valve main body that can freely slide vertically by integrating the guide vane material and the ball. It was something that had been done.
次に、上記案内羽根材5とガイド9の間にベロ
ーズ6が配設され、ベローズ6を支承するベロー
ズ受け7とばね受け12との間に、上記ガイド9
を貫通してロツド8が設けられている。上記ガイ
ド9は本体1に固定され、ロツド8を中心線方向
摺動自在に案内する。 Next, a bellows 6 is disposed between the guide vane material 5 and the guide 9, and the guide 9 is placed between the bellows receiver 7 and the spring receiver 12 that support the bellows 6.
A rod 8 is provided passing through it. The guide 9 is fixed to the main body 1 and guides the rod 8 slidably in the direction of the center line.
ベローズ6およびベローズ受け7の下端面は、
上記案内羽根材5の凹窩5aに適合して球面状の
凹窩6aがベローズ6に、および凹窩7aがベロ
ーズ受け7に夫々設けられ、ボール4の中心線方
向位置を維持する。 The lower end surfaces of the bellows 6 and the bellows receiver 7 are
A spherical concave cavity 6a matching the concave cavity 5a of the guide vane material 5 is provided in the bellows 6, and a concave cavity 7a is provided in the bellows receiver 7, respectively, to maintain the position of the ball 4 in the center line direction.
ばね箱10は本体1の上方に延在し、その内面
に沿つて、ばね受け12の中心線方向摺動を助け
る案内羽根材13がその周縁部をばね箱10に接
し、かつ中央部に上記ばね受け12を保持して設
けられ、ばね受け12と調整ねじ14の間にコイ
ルスプリング11が設けられている。上記調整ね
じ14によりスプリング11の圧力が任意に調整
され、その押圧力がぼ4に加えられる。 The spring box 10 extends above the main body 1, and along its inner surface, a guide vane material 13 that helps the spring receiver 12 slide in the center line direction is in contact with the spring box 10 at its peripheral edge, and the above-mentioned A coil spring 11 is provided to hold a spring receiver 12, and a coil spring 11 is provided between the spring receiver 12 and the adjustment screw 14. The pressure of the spring 11 is arbitrarily adjusted by the adjusting screw 14, and the pressing force is applied to the spring 4.
従つて図示例では、ボール4の押圧力はベロー
ズ6およびスプリング11からなる正方向の押圧
手段によつて与えられる。もつとも、上記押圧手
段はその目的に従い適宜の手段におき換えること
は自由である。 Therefore, in the illustrated example, the pressing force of the ball 4 is applied by a forward pressing means consisting of the bellows 6 and the spring 11. However, the above-mentioned pressing means may be freely replaced with appropriate means according to the purpose.
弁座21孔径内に、ボール4に当接する整流素
子が設けられている。上記整流素子は、流入管2
から流体流入方向に、ボール4に向け圧接する円
筒子22とこれに上記押圧を加える弾性手段が設
けられている。すなわち、コイルスプリング23
が上記円筒子22と、流入管2に固定したばね受
け24の間に挿入して設けられている。 A rectifying element that comes into contact with the ball 4 is provided within the hole diameter of the valve seat 21 . The rectifying element is the inflow pipe 2
A cylindrical element 22 that presses against the ball 4 and an elastic means that applies the above-mentioned pressure to the cylindrical element 22 are provided in the fluid inflow direction. That is, the coil spring 23
is inserted between the cylindrical element 22 and a spring receiver 24 fixed to the inflow pipe 2.
円筒子22は弁座21孔径に満たない外径を有
する円筒体からなり、その上端縁辺はボール4に
環状に当接する。上記上端縁辺は基本的には円筒
子22の中心線に直角な平面上にあつて、ボール
4の中心線上、ひいては弁座21の中心線上に円
筒子22を維持する。そして図示例の如くボール
4との当接縁辺は、円筒子22の内面に適宜角度
で面取りし、ボール4の接触の安定を計ることが
できる。 The cylindrical element 22 is made of a cylindrical body having an outer diameter less than the hole diameter of the valve seat 21, and its upper edge abuts against the ball 4 in an annular manner. The upper edge is basically on a plane perpendicular to the center line of the cylindrical member 22, and maintains the cylindrical member 22 on the center line of the ball 4 and, in turn, on the center line of the valve seat 21. As shown in the illustrated example, the contact edge with the ball 4 is chamfered at an appropriate angle on the inner surface of the cylindrical element 22, so that the contact of the ball 4 can be stabilized.
ばね受け24は環状部材が用いられ、スプリン
グ23を中心線上に維持すると共に、流体の流入
を妨害しない。 The spring receiver 24 is an annular member that maintains the spring 23 on the center line and does not obstruct the inflow of fluid.
しかして、円筒子22はボール4と作用し合つ
て中心線上を維持するとともに、弁座21との間
に適宜すき間の環状流路25を形成している。ま
た、上記補助スプリング23は、ベローズ6およ
びスプリング11からなる上記の正の押圧手段に
対向方向に作用し、そのばね強さは、ボール4の
変位に従随して常に円筒子22をボール4に当接
せしめるに足りるものである。例えば正の押圧力
7Kgにおいて補助スプリングの押圧力は0.5Kgで
ある。 Thus, the cylindrical element 22 interacts with the ball 4 to maintain its position on the center line, and forms an annular flow path 25 with an appropriate clearance between the cylindrical element 22 and the valve seat 21. Further, the auxiliary spring 23 acts in the opposite direction on the positive pressing means consisting of the bellows 6 and the spring 11, and the spring strength is such that the cylindrical element 22 is always pressed against the ball 4 in accordance with the displacement of the ball 4. This is sufficient to bring it into contact with the For example, when the positive pressing force is 7 kg, the pressing force of the auxiliary spring is 0.5 kg.
しかして、上記吐出圧力の設定は専ら上記調整
ねじ14により、正の押圧圧力の加減設定によつ
て行われ、上記設定圧を上廻る圧力の流体が流入
管2に流入するとき、ボール4を弁座21から開
いて弁室20へ流入し、流出弁3から吐出され
る。上記弁座21とボール4の開口の程度、つま
り上記正の押圧力と流体圧の平衡による開口を通
り、流体の流動抵抗を受けて吐出圧力は減少され
た定圧で流出する。 Therefore, the setting of the discharge pressure is performed exclusively by adjusting the positive pressing pressure using the adjusting screw 14, and when fluid with a pressure exceeding the set pressure flows into the inflow pipe 2, the ball 4 is It opens from the valve seat 21, flows into the valve chamber 20, and is discharged from the outflow valve 3. Through the openings of the valve seat 21 and the ball 4, that is, the openings determined by the balance between the positive pressing force and the fluid pressure, the discharge pressure is reduced and flows out at a constant pressure due to the flow resistance of the fluid.
ルームクーラ等の冷凍回路の例に従うまでもな
いことであるが、流体流入時には弁部の振動が生
じ易い。殊に弁の開き始め、ニユートラルポイン
トで最も弁鳴りを生じ易いことが知られている。
また流体が気体の場合には弁部で擦過音を伴い易
く、気液混合流体では不安定で振動を生じ易い。
これらのいずれもが対策を求められてきたもので
ある。 Although it is not necessary to follow the example of a refrigeration circuit such as a room cooler, the valve part tends to vibrate when fluid flows in. It is known that valve noise is most likely to occur especially at the neutral point when the valve begins to open.
Furthermore, when the fluid is gas, it is likely to cause friction noise at the valve part, and when the fluid is a gas-liquid mixture, it is unstable and tends to generate vibrations.
All of these issues require countermeasures.
本発明は上記した如くに成るものであるから、
弁の主体となるボールは案内羽根材の球面からな
る凹窩に密着して回動自在に構成されていること
により弁座閉塞の精度が向上し、ボールの反対側
に円筒子から成る整流素子を当接することによつ
てボールの中心位置保持の補助、振動の防止、共
振の抑制を行ない、かつ弁座と円筒子との間に形
成した環状流路によつて流体流れの整流作用とボ
ール表面における流動の均整化作用を行ない、ボ
ールに対抗して当接させた上記案内羽根材と整流
素子の共同作業により弁閉塞を完全にしつつ弁鳴
りを効果的に阻止し得る特長を有する。 Since the present invention is constructed as described above,
The ball, which is the main body of the valve, is rotatably attached to a concave spherical surface of the guide vane material, improving the accuracy of closing the valve seat.On the opposite side of the ball is a rectifying element made of a cylindrical element. The annular flow path formed between the valve seat and the cylindrical element helps to maintain the center position of the ball, prevents vibration, and suppresses resonance. It has the feature of equalizing the flow on the surface and effectively preventing valve noise while completely closing the valve due to the joint action of the guide vane material and the rectifying element which are opposed to and abutted against the ball.
第1図は本発明の実施例を示す吐出圧力調整弁
の切断面図、第2図は弁主体部を拡大して示す切
断面図である。
2……流入管、3……流出管、4……ボール、
5……案内羽根材、5a……案内羽根材の凹窩、
6……ベローズ、11……スプリング、21……
弁座、22……円筒子、23……補助スプリン
グ、25……環状流路。
FIG. 1 is a sectional view of a discharge pressure regulating valve according to an embodiment of the present invention, and FIG. 2 is an enlarged sectional view of the main body of the valve. 2...Inflow pipe, 3...Outflow pipe, 4...Ball,
5... Guide vane material, 5a... Concave hole of guide vane material,
6...Bellows, 11...Spring, 21...
Valve seat, 22... cylindrical element, 23... auxiliary spring, 25... annular flow path.
Claims (1)
した案内羽根材の中心部分に球面からなる凹窩を
形成し、該球面からなる凹窩においてボールを遊
びなく回動自在に抱えて弾性押圧手段により該ボ
ールを弁座に押圧し、上記弁座孔径内に該弁座と
の間に環状流路を形成するように該弁座孔径に満
たない外径を有して、端縁辺が該ボールに環状に
当接する円筒子からなる整流素子を上記弾性押圧
手段に対抗する補助スプリングにより該ボールに
押圧することを特徴とする吐出圧力調整弁の弁鳴
り防止装置。1. A concave hole made of a spherical surface is formed in the center of a guide vane material whose outer edge is slidably disposed in contact with the inner surface of the valve body, and a ball is rotatably held in the concave hole made of a spherical surface without any play. The ball is pressed against the valve seat by an elastic pressing means, and the ball has an outer diameter less than the valve seat hole diameter and the end edge is formed so as to form an annular flow path within the valve seat hole diameter between the ball and the valve seat. A valve noise prevention device for a discharge pressure regulating valve, characterized in that a rectifying element consisting of a cylindrical element annularly abutting the ball is pressed against the ball by an auxiliary spring opposing the elastic pressing means.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57126783A JPS5919780A (en) | 1982-07-22 | 1982-07-22 | Apparatus for preventing chattering of discharge pressure control valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57126783A JPS5919780A (en) | 1982-07-22 | 1982-07-22 | Apparatus for preventing chattering of discharge pressure control valve |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5919780A JPS5919780A (en) | 1984-02-01 |
JPH0232506B2 true JPH0232506B2 (en) | 1990-07-20 |
Family
ID=14943822
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57126783A Granted JPS5919780A (en) | 1982-07-22 | 1982-07-22 | Apparatus for preventing chattering of discharge pressure control valve |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5919780A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016166672A (en) * | 2015-03-03 | 2016-09-15 | サンシャインワン株式会社 | Valve element, filter and water supply equipment |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4069548B2 (en) * | 1999-04-27 | 2008-04-02 | 株式会社デンソー | Control valve |
CN108150684B (en) * | 2017-12-25 | 2021-06-15 | 佛山市中锐达精工科技有限公司 | Two-way pressure reducing valve |
JP7431118B2 (en) * | 2020-07-13 | 2024-02-14 | 株式会社鷺宮製作所 | pressure regulating valve |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5031541U (en) * | 1973-07-17 | 1975-04-07 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5031541Y1 (en) * | 1969-05-29 | 1975-09-13 | ||
JPS54168629U (en) * | 1978-05-19 | 1979-11-28 | ||
JPS56131066U (en) * | 1980-03-07 | 1981-10-05 |
-
1982
- 1982-07-22 JP JP57126783A patent/JPS5919780A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5031541U (en) * | 1973-07-17 | 1975-04-07 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016166672A (en) * | 2015-03-03 | 2016-09-15 | サンシャインワン株式会社 | Valve element, filter and water supply equipment |
Also Published As
Publication number | Publication date |
---|---|
JPS5919780A (en) | 1984-02-01 |
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