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DE1096701B - Control valve - Google Patents

Control valve

Info

Publication number
DE1096701B
DE1096701B DESCH26499A DESC026499A DE1096701B DE 1096701 B DE1096701 B DE 1096701B DE SCH26499 A DESCH26499 A DE SCH26499A DE SC026499 A DESC026499 A DE SC026499A DE 1096701 B DE1096701 B DE 1096701B
Authority
DE
Germany
Prior art keywords
rod
valve
valve cone
control valve
cylinder
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.)
Pending
Application number
DESCH26499A
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 by Individual filed Critical Individual
Priority to DESCH26499A priority Critical patent/DE1096701B/en
Publication of DE1096701B publication Critical patent/DE1096701B/en
Pending legal-status Critical Current

Links

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
    • F16K41/00—Spindle sealings
    • F16K41/10—Spindle sealings with diaphragm, e.g. shaped as bellows or tube
    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/48—Attaching valve members to screw-spindles
    • F16K1/482—Attaching valve members to screw-spindles with a collar on the spindle or a groove in the spindle, by which a fixing element is supported, the spindle reaching into the valve member

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
  • Details Of Valves (AREA)

Description

Regelventil Es sind Regelventile bekannt, bei denen der Ventilkegel mit einer Stange verbunden ist, die von Hand oder mittels einer Regelvorrichtung bewegt wird, um eine Schließung oder Öffnung des Ventils zu bewirken. Damit das dichte Schließen des Ventils gewährleistet ist, sind besondere Maßnahmen notwendig, die den Gegenstand der Erfindung bilden.Control valve Control valves are known in which the valve cone connected to a rod by hand or by means of a control device is moved to cause the valve to close or open. So that tight closing of the valve is guaranteed, special measures are necessary which form the subject of the invention.

Das Regelventil gemäß der Erfindung, bei dem der Ventilkegel mittels einer Stange bewegt wird, ist dadurch gekennzeichnet, daß die Stange in einem losen Zylinder angeordnet ist, der sich mit geringem Zwischenraum einerseits bis zu einem Anschlag auf der Stange, andererseits bis zum Ventilkegel erstreckt, wobei der Zylinder in Schließlage des Ventils den Dichtungsdruck von der Betätigung her auf den Ventilkegel überträgt.The control valve according to the invention, in which the valve cone means a rod is moved, is characterized in that the rod in a loose Cylinder is arranged, with a small gap on the one hand to a Stop on the rod, on the other hand, extends to the valve cone, the cylinder in the closed position of the valve, the sealing pressure from the actuation on the valve cone transmits.

Die Wirkungsweise des erfindungsgemäßen Ventils wird nachstehend an Hand der Zeichnung erläutert. Beim Schließen des Ventils setzt sich zunächst der Ventilkegel 1 lose auf seinen Sitz, und erst, wenn das Spiel zwischen dem Zylinder 5 und dem Anschlag an der Stange, den der Bund 6 bildet, durchfahren ist, wird der Ventilkegel fest auf seinen Sitz gepreßt. Die schlanke Stange 2 erlaubt dabei, daß der Ventilkegel beim Aufsetzen seitlich ausweicht und sich dem Ventilsitz anpaßt. Das wäre nicht der Fall, wenn der Zylinder 5 mit der Stange 2 fest verbunden wäre bzw. mit dieser Stange aus einem Stück bestünde. Die Stange 2 muß eine gewisse Länge besitzen, um nachgiebig zu sein.The operation of the valve according to the invention is shown below Hand of drawing explained. When the valve closes, the Valve cone 1 loosely on its seat, and only when the clearance between the cylinder 5 and the stop on the rod, which the collar 6 forms, is passed through Valve cone firmly pressed onto its seat. The slender rod 2 allows that the valve cone gives way to the side when it is placed and adapts to the valve seat. That would not be the case if the cylinder 5 were firmly connected to the rod 2 or would consist of one piece with this rod. The rod 2 must have a certain length own to be indulgent.

Um die Stange 2 und den losen Zylinder 5 vor aggressiven Stoffen zu schützen, ist es zweckmäßig, sie durch einen elastischen Balg 4 aus einem korrosionsfesten Kunststoff, vornehmlich Polyfluoräthylen oder Polyfluorchloräthylen, der parallel zur Stange 2 angeordnet ist, gegen das Gehäuse 3 abzudichten. Der Balg muß so beschaffen sein, daß er ohne Schaden zusammengedrückt oder gedehnt werden kann, etwa im Maße der Bewegung des Ventilkegels 1.To protect the rod 2 and the loose cylinder 5 from aggressive substances protect, it is useful to protect them by an elastic bellows 4 from a corrosion-resistant Plastic, mainly polyfluoroethylene or polyfluorochloroethylene, the parallel is arranged to the rod 2 to be sealed against the housing 3. The bellows must be made like that be that it can be compressed or stretched without damage, approximately to the extent the movement of the valve cone 1.

Claims (2)

PATENTANSPRÜCHE: 1. Regelventil, dessen Ventilkegel mittels einer Stange bewegt wird, dadurch gekennzeichnet, daß die Stange (2) in einem losen Zylinder (5) angeordnet ist, der sich mit geringem Zwischenraum einerseits bis zu einem Anschlag (6) auf der Stange (2), andererseits bis zum Ventilkegel (1) erstreckt, wobei der Zylinder (5) in Schließlage des Ventils den Dichtungsdruck von der Betätigung her auf den Ventilkegel überträgt. PATENT CLAIMS: 1. Control valve, the valve cone of which is moved by means of a rod, characterized in that the rod (2) is arranged in a loose cylinder (5) which, with a small gap, extends up to a stop (6) on the rod ( 2), on the other hand as far as the valve cone (1), the cylinder (5) transmitting the sealing pressure from the actuation to the valve cone in the closed position of the valve. 2. Regelventil nach Anspruch 1, dadurch gekennzeichnet, daß der Ventilkegel (1) gegen das Gehäuse (3) durch einen elastischen Balg (4) aus einem korrosionsfesten Kunststoff, vornehmlich Polyfiuoräthylen oder Polyfluorchloräthylen, parallel der Stange (2) abgedichtet ist. In Betracht gezogene Druckschriften: Deutsche Patentschrift Nr. 743 622; französische Patentschrift Nr. 1169 163; USA.-Patentschrift Nr. 2 444 703.2. Control valve according to claim 1, characterized in that the valve cone (1) is sealed against the housing (3) by an elastic bellows (4) made of a corrosion-resistant plastic, primarily polyfluoroethylene or polyfluorochloroethylene, parallel to the rod (2). Documents considered: German Patent No. 743 622; French Patent No. 1169 163; U.S. Patent No. 2,444,703.
DESCH26499A 1959-08-08 1959-08-08 Control valve Pending DE1096701B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DESCH26499A DE1096701B (en) 1959-08-08 1959-08-08 Control valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DESCH26499A DE1096701B (en) 1959-08-08 1959-08-08 Control valve

Publications (1)

Publication Number Publication Date
DE1096701B true DE1096701B (en) 1961-01-05

Family

ID=7430471

Family Applications (1)

Application Number Title Priority Date Filing Date
DESCH26499A Pending DE1096701B (en) 1959-08-08 1959-08-08 Control valve

Country Status (1)

Country Link
DE (1) DE1096701B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999053231A1 (en) * 1998-04-11 1999-10-21 Tuchenhagen Gmbh Bellows for sealing a valve rod passage in a globe valve

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE743622C (en) * 1940-02-22 1943-12-30 Harry Sauveur Dipl Ing Shut-off valve in which the actuating spindle is sealed by a bellows membrane
US2444703A (en) * 1944-05-22 1948-07-06 Continental Oil Co Valve assembly
FR1169163A (en) * 1957-03-07 1958-12-23 Cocard Jules Sa Sealing device for valves and fittings conveying precious, dangerous or corrosive liquids and fluids

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE743622C (en) * 1940-02-22 1943-12-30 Harry Sauveur Dipl Ing Shut-off valve in which the actuating spindle is sealed by a bellows membrane
US2444703A (en) * 1944-05-22 1948-07-06 Continental Oil Co Valve assembly
FR1169163A (en) * 1957-03-07 1958-12-23 Cocard Jules Sa Sealing device for valves and fittings conveying precious, dangerous or corrosive liquids and fluids

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999053231A1 (en) * 1998-04-11 1999-10-21 Tuchenhagen Gmbh Bellows for sealing a valve rod passage in a globe valve

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