JPS61176610U - - Google Patents

Info

Publication number
JPS61176610U
JPS61176610U JP1985048872U JP4887285U JPS61176610U JP S61176610 U JPS61176610 U JP S61176610U JP 1985048872 U JP1985048872 U JP 1985048872U JP 4887285 U JP4887285 U JP 4887285U JP S61176610 U JPS61176610 U JP S61176610U
Authority
JP
Japan
Prior art keywords
pressure reducing
reducing valve
paragraph
protrusion
diaphragm
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
Application number
JP1985048872U
Other languages
Japanese (ja)
Other versions
JPH0426889Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1985048872U priority Critical patent/JPH0426889Y2/ja
Publication of JPS61176610U publication Critical patent/JPS61176610U/ja
Application granted granted Critical
Publication of JPH0426889Y2 publication Critical patent/JPH0426889Y2/ja
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/04—Control of fluid pressure without auxiliary power
    • G05D16/06—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule
    • G05D16/063—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane
    • G05D16/0644—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane the membrane acting directly on the obturator
    • G05D16/0663—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane the membrane acting directly on the obturator using a spring-loaded membrane with a spring-loaded slideable obturator

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Fluid-Driven Valves (AREA)
  • Safety Valves (AREA)
  • Control Of Fluid Pressure (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来技術に係る溶剤用減圧弁の概略縦
断説明図、第２図は本考案に係る減圧弁の説明図
、第３図は第２図に示す減圧弁の開弁状態を示す
説明図、第４図は本考案に係る減圧弁のダイヤフ
ラムと第１保持部材と第２保持部材の相関関係を
示す斜視図、第５図は本考案の別の実施例を示す
縦断説明図、第６図は本考案の更に別の実施例を
示す縦断説明図である。 ５０……ボデイ、５２……供給ポート、５４…
…排出ポート、５６……減圧室、５８……嵌合部
材、６２……コイルスプリング、６３……減圧弁
、６４……本体、６５……キヤツプ部材、７２…
…室、７４……リング、７８……面部、８２……
ボンネツト、８４……フランジ、１０２……ハン
ドル、１１０……調圧ねじ、１１２……シールリ
ング、１１６……フランジ、１１８……ねじ、１
２０……六角ナツト、１２２……コイルスプリン
グ、１２４……保持部材、１２８……ダイヤフラ
ム、１３４……保持部材、１４０……シールリン
グ、１５０……着座部、１５４……リング体。 FIG. 1 is a schematic longitudinal sectional view of a solvent pressure reducing valve according to the prior art, FIG. 2 is an explanatory view of a pressure reducing valve according to the present invention, and FIG. 3 is an explanation showing the open state of the pressure reducing valve shown in FIG. 4 is a perspective view showing the correlation between the diaphragm, the first holding member, and the second holding member of the pressure reducing valve according to the present invention, and FIG. 5 is a vertical cross-sectional view showing another embodiment of the present invention. FIG. 6 is a longitudinal sectional view showing still another embodiment of the present invention. 50...Body, 52...Supply port, 54...
...Exhaust port, 56...Reducing chamber, 58...Fitting member, 62...Coil spring, 63...Reducing valve, 64...Main body, 65...Cap member, 72...
...Chamber, 74...Ring, 78...Surface, 82...
Bonnet, 84...Flange, 102...Handle, 110...Pressure adjustment screw, 112...Seal ring, 116...Flange, 118...Screw, 1
20... Hexagonal nut, 122... Coil spring, 124... Holding member, 128... Diaphragm, 134... Holding member, 140... Seal ring, 150... Seating portion, 154... Ring body.

Claims (1)

【実用新案登録請求の範囲】 (1) 供給ポートと排出ポートとを画成したボデ
イと、前記ボデイに係着されて前記ボデイと共に
ダイヤフラム室を画成するボンネツトと、前記ダ
イヤフラム室の内部に延在する調圧ねじを螺回す
るハンドルとを含み、前記ダイヤフラム室内にポ
リテトラフルオロエチレンからなり曲率中心をボ
デイ側とボンネツト側とに存在するように交互に
湾曲したダイヤフラムを配設し、前記調圧ねじに
よつて弾発力の調整が図られるコイルスプリング
を介して前記ダイヤフラムを押圧すると共に減圧
弁の開度を調節するよう構成することを特徴とす
る減圧弁。 (2) 実用新案登録請求の範囲第１項記載の減圧
弁において、ダイヤフラムは外側湾曲部から内側
湾曲部にかけてその肉厚を増加するよう構成して
なる減圧弁。 (3) 実用新案登録請求の範囲第１項または第２
項記載の減圧弁において、減圧弁は供給ポートと
排出ポートとの間に画成される減圧室に延在する
円筒状の突部と、減圧弁本体に形成され前記突部
に係合する環状突部とからなり、少なくとも前記
環状突部はポリテトラフルオロエチレンからなる
減圧弁。 (4) 実用新案登録請求の範囲第１項または第２
項記載の減圧弁において、減圧弁は供給ポートと
排出ポートとの間に画成される減圧室に延在する
円筒状の突部と、減圧弁本体に形成され且つ前記
突部に係合する傾斜肩部とを有し、前記肩部は少
なくともポリテトラフルオロエチレンからなる減
圧弁。 (5) 実用新案登録請求の範囲第１項または第２
項記載の減圧弁において、減圧弁は供給ポートと
排出ポートとの間に画成される減圧室に延在する
円筒状の突部と、減圧弁本体に形成され且つ前記
突部に係合する傾斜肩部とを有し、前記円筒状の
突部はポリテトラフルオロエチレンからなるリン
グ体を含む減圧弁。[Claims for Utility Model Registration] (1) A body defining a supply port and a discharge port, a bonnet attached to the body and defining a diaphragm chamber together with the body, and a bonnet extending into the inside of the diaphragm chamber. A diaphragm made of polytetrafluoroethylene and curved alternately so that the center of curvature is located on the body side and the bonnet side is disposed in the diaphragm chamber, and A pressure reducing valve characterized in that the diaphragm is pressed through a coil spring whose elastic force is adjusted by a pressure screw, and the opening degree of the pressure reducing valve is adjusted. (2) Utility model registration The pressure reducing valve according to claim 1, wherein the diaphragm has a wall thickness that increases from the outer curved portion to the inner curved portion. (3) Scope of claims for utility model registration, paragraph 1 or 2
In the pressure reducing valve described in paragraph 1, the pressure reducing valve includes a cylindrical protrusion extending into a pressure reducing chamber defined between a supply port and a discharge port, and an annular protrusion formed on the pressure reducing valve body and engaging with the protrusion. a protrusion, at least the annular protrusion being made of polytetrafluoroethylene. (4) Scope of claims for utility model registration, paragraph 1 or 2
In the pressure reducing valve described in paragraph 1, the pressure reducing valve has a cylindrical protrusion extending into a pressure reducing chamber defined between a supply port and a discharge port, and a cylindrical protrusion formed on the pressure reducing valve body and engaging with the protrusion. A pressure reducing valve having an inclined shoulder portion, the shoulder portion being made of at least polytetrafluoroethylene. (5) Scope of claims for utility model registration, paragraph 1 or 2
In the pressure reducing valve described in paragraph 1, the pressure reducing valve has a cylindrical protrusion extending into a pressure reducing chamber defined between a supply port and a discharge port, and a cylindrical protrusion formed on the pressure reducing valve body and engaging with the protrusion. the cylindrical protrusion includes a ring body made of polytetrafluoroethylene;
JP1985048872U 1985-04-02 1985-04-02 Expired JPH0426889Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985048872U JPH0426889Y2 (en) 1985-04-02 1985-04-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985048872U JPH0426889Y2 (en) 1985-04-02 1985-04-02

Publications (2)

Publication Number Publication Date
JPS61176610U true JPS61176610U (en) 1986-11-04
JPH0426889Y2 JPH0426889Y2 (en) 1992-06-29

Family

ID=30565534

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985048872U Expired JPH0426889Y2 (en) 1985-04-02 1985-04-02

Country Status (1)

Country Link
JP (1) JPH0426889Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006342927A (en) * 2005-06-10 2006-12-21 Tgk Co Ltd Backflow preventing device
JP2014509034A (en) * 2011-03-21 2014-04-10 テスコム・コーポレーション Diaphragm interface device for improving diaphragm cycle life.

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5615391U (en) * 1979-07-12 1981-02-09

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5615391U (en) * 1979-07-12 1981-02-09

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006342927A (en) * 2005-06-10 2006-12-21 Tgk Co Ltd Backflow preventing device
JP2014509034A (en) * 2011-03-21 2014-04-10 テスコム・コーポレーション Diaphragm interface device for improving diaphragm cycle life.

Also Published As

Publication number Publication date
JPH0426889Y2 (en) 1992-06-29

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