DE2725415A1 - Position indicator for passage valves in pipelines - uses helical single ball track to drive indicator hub on valve - Google Patents

Position indicator for passage valves in pipelines - uses helical single ball track to drive indicator hub on valve

Info

Publication number
DE2725415A1
DE2725415A1 DE19772725415 DE2725415A DE2725415A1 DE 2725415 A1 DE2725415 A1 DE 2725415A1 DE 19772725415 DE19772725415 DE 19772725415 DE 2725415 A DE2725415 A DE 2725415A DE 2725415 A1 DE2725415 A1 DE 2725415A1
Authority
DE
Germany
Prior art keywords
ball
hub
indicator
adjusting screw
push rod
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
DE19772725415
Other languages
German (de)
Other versions
DE2725415C2 (en
Inventor
Otto Nitzschke
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
Priority to DE2617517A priority Critical patent/DE2617517C2/en
Priority claimed from DE2617517A external-priority patent/DE2617517C2/en
Priority to DE19772713482 priority patent/DE2713482A1/en
Application filed by Individual filed Critical Individual
Priority to DE19772725415 priority patent/DE2725415A1/en
Priority claimed from DE19772744720 external-priority patent/DE2744720A1/en
Publication of DE2725415A1 publication Critical patent/DE2725415A1/en
Application granted granted Critical
Publication of DE2725415C2 publication Critical patent/DE2725415C2/de
Granted 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
    • 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
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/36—Valve members
    • F16K1/38—Valve members of conical shape
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • 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
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0008—Mechanical means
    • F16K37/0016—Mechanical means having a graduated scale

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)

Abstract

The indicator is for passage valves, esp. for pipe lines. The valve cone is externally actuated by a non-turnable push rod, via a turnably held double armed lever. The indicator hube (7) is controlled by a helical single ball track, with the ball groove (9) being positioned in the push rod (3). A ball (10) is held freely turnable in an adjusting screw (11), and engages in the groove. The adjusting screw is positioned radially adjustable in the indicator hub (7), so that the ball is moved without play into the groove by the screw. The screw is secured from the front end face of the hub by a threaded pin or similar (12).

Description

Otto Nitzschke . Aktenz.:Otto Nitzschke. File:

A-A-

Stellungsanzeiger zu einem Durchgangsventil insbesondere für Rohrleitungen.Position indicator for a straight-way valve, especially for pipelines.

Die Erfindung bezieht sich auf einem Stellungsanzeiger zu einem Durchgangsventil insbesondere für Rohrleitungen,bei dem der Ventilkegel in Richtung der Rohrachse mittels eines von außen quer zur Durchflußrichtung eingeführten Stellorgans über einem abgewinkelten Doppelhebel angetrieben wird,nach der Patentanmeldung P 26 17 517.7 . An einem solchen Durchgangsventil,bei dem eine drehende Gewindespindel als Stellorgan den Doppelhebel antreibt,ist bereits für ein Stellungsanzeiger ein Schutz durch eine Zusatz-Patentanmeldung beantragt. Die vorliegende neue Zusatz-Patentanmeldung bezieht sich jedoch auf einen Stellungsanzeiger an einem Durchgangsventil,bei dem der Doppelhebel von einer nichtdrehenden runden Schubstange angetrieben wird.The invention relates to a position indicator for a straight-way valve, in particular for pipelines, in which the valve cone in the direction of the pipe axis by means of an actuator inserted from the outside transversely to the flow direction via a angled double lever is driven, according to the patent application P 26 17 517.7. On such a globe valve where a rotating threaded spindle as an actuator drives the double lever, is already a protection for a position indicator an additional patent application requested. However, the present new supplementary patent application relates to a position indicator on a globe valve in which the double lever is driven by a non-rotating round push rod.

Erfindungsgemäß wird bei einer solchen Armatur mit einer nichtdrehenden runden Schubstange der Zeiger des Stellungsanzeigers von einer sehr steilgängigen Einkugelführung angetrieben, deren entsprechend steile Kugelrille in der Schubstange angeordnet ist,in der die Kugel eingreift. Die Kugel ist anderseits in der Zeigernabe gelagert und treibt diese beim Bewegen der Schubstange radial an bzw.steuert somit den Zeigerausschlag. Das fest gegen die Dichtbuchse geschraubte Zifferblatt,sowie die im Zifferblatt axial spielfrei unverschieblich jedoch frei drehbar gelagerte Zeigernabe und der Zeiger,sind zentrisch um die Schubstange angeordnet,wobei der Zeiger mit einer geschlitzten Ausbohrung unter Nachgiebigkeit des Schlitzes mittels einer Klemmschraube rundum in die richtige Umfangslage auf der Zeigernabe, planführend gegen einen Nabenansatz,festgesetzt werden kann. Die Kugel ist in der eingesenkten Kalotte einer Stellschraube drehbar um sich selbst passend gelagert,wobei die Stellschraube radial verstellbar in der Zeigernabe angeordnet ist,so daß damit die Kugel spielfrei in die Kugelrille zugestellt werden kann. Die Stellschraube ist mittels eines Gewindestifts oder dgl.von der vorderen Planseite der Zeigernabe her gegen Lösen gesichert.According to the invention, in such a fitting with a non-rotating round push rod, the pointer of the position indicator driven by a very steep single-ball guide, whose correspondingly steep ball groove is arranged in the push rod is where the ball engages. On the other hand, the ball is mounted in the pointer hub and drives it when the push rod is moved radially or controls the pointer deflection. The dial screwed tightly against the sealing sleeve, as well as the one in the dial Axially backlash immovable but freely rotatable pointer hub and pointer are centered around the push rod arranged, the pointer with a slotted bore with resilience of the slot by means of a clamping screw can be fixed all around in the correct circumferential position on the pointer hub, plan-guiding against a hub shoulder. the The ball is mounted in the recessed cap of an adjusting screw so that it can rotate about itself, the adjusting screw being radial is arranged adjustable in the pointer hub, so that the ball can be fed into the ball groove without play. the The adjusting screw is secured against loosening by means of a threaded pin or the like from the front flat side of the pointer hub.

Die Steigung der Kugelrille ist von der gewählten Größe des Zeigerausschlags und dem Hub der Schubstange abhängig. Für die vorliegende Zeichnung sei als Berechnungsbeispiel vorgegeben:The pitch of the ball groove depends on the selected size of the pointer deflection and the stroke of the push rod. For the This drawing is given as a calculation example:

Der Zeigerausschlag a von „Auf bis „Zu" = 90° .The pointer deflection a from "open to" closed "= 90 °.

Der Hub h der Schubstange von „Auf'bis „Zu" = 14 mm .The stroke h of the push rod from "open" to "closed" = 14 mm.

809850/0300809850/0300

^o 27 2b4lt>^ o 27 2b4lt>

Daraus die Steigung der Kugelrillc: = -Ä-o'i^mm = £6 mm .From this the slope of the ball groove c: = -Ä-o'i ^ mm = £ 6 mm.

Daraus der Steigungswinkel ß der Kugelrille (gegen Achse) bei einer Schubstange von 13 mm: = tang.a = -""crrrr--1—From this the pitch angle ß of the ball groove (against the axis) with a push rod of 13 mm: = tang.a = - "" crrrr-- 1 -

= 0,73 = 36Aif „= 0.73 = 36 A if "

Dieser Steigungswinkel ß von 36,1° gegen die Schubstangenachse gewährleistet beim Bewegen der Schubstange ein sehr gutes Gleitverhältnis zwischen Kugel und KriTelrille sowie eine große radiale Kraftkomponente,um den an sich wiederstandslosen Zeiger - außer seiner Lagerreibung - im Drehsinne zu steuern.This angle of inclination β of 36.1 ° with respect to the push rod axis ensures a very good sliding ratio when the push rod is moved between the ball and the KriTel groove as well as a large radial one Force component in order to control the pointer, which in itself is free from resistance - apart from its bearing friction - in the direction of rotation.

In der Zeichnung ist der Erfindungsgegenstand dargestellt. Es zeigt
F i g. 1 eine Vorderansicht auf den Stellungsanzeiger in derThe subject of the invention is shown in the drawing. It shows
F i g. 1 is a front view of the position indicator in FIG

Richtung R in Fig.2,
F i g. 2 einen Mittelquerschnitt nach der Linie A-B in Fig.1 .Direction R in Fig. 2,
F i g. 2 shows a central cross-section along the line AB in FIG.

Die Figuren 1 u.2 zeigen den Stellungsanzeiger mit einem Zeigerstand bei mittiger Hubstellung des Ventilkegels. Der Stellungsanzeiger ist außen vor der am Armaturengehäuse 1 angeschraubten Dichtbuchse 2 angeordnet. Die Schubstange 3 fährt inFigures 1 and 2 show the position indicator with a pointer in the central stroke position of the valve cone. Of the The position indicator is screwed on the outside of the valve body 1 Sealing sleeve 2 arranged. The push rod 3 moves in

IfIf

der Endstellung „Auf mit einem Ansatz 4- rückseitig gegen die Dichtbuchse 2 . In der Stellung „Zu" bildet der geschlossene Dichtkegel gegen den Ventilsitz den Endanschlag. Das Zifferblatt 5 mit der Skala 6 ist als festes Kreissegment zentrisch um die Schubstange 3 gegen die Dichtbuchse 2 verschraubt. Die Zeigernabe 7 ist mit einem Bund rückseitig im Zifferblatt 5 axial spielfrei unverschieblich,jedoch frei drehbar gelagert und ist radial auf der Schubstange 3 leichtgängig drehbar geführt. Der Zeiger 8 ist mit einer geschlitzten Bohrung mittels einer Klemmschraube auf der Zeigernabe 7, planführend gegen einen Nabenansatz,unverrückbar festgesetzt. Auf der Schubstange 3 ist die Kugelrille 9 für eine Länge des jeweilig gewählten Stellbereichs,mit nötiger Reserve für Einstell- u.Bauungenauigkeit,eingebracht. Die Kugel 10 greift in die Kugelrille ein und ist anderseits in einer Kalotte der Stellschraube 11 ,frei um sich selbst drehbar,gelagert und kann durch die Stellschraube 11 spielfrei in die Kugelrille 9 zugestellt werden. Gegen Lösen ist die Stellschraube 11 mit einem Gewindestift 12 oder dgl.gesichert.the end position "open with a shoulder 4- on the back against the sealing sleeve 2. In the "closed" position, the closed sealing cone forms the end stop against the valve seat. The dial 5 with the scale 6 is screwed as a fixed segment of a circle centered around the push rod 3 against the sealing bush 2. The pointer hub 7 is axial with a collar on the back of the dial 5 No play, immovable, but freely rotatable, and is freely rotatably guided radially on the push rod 3. The pointer 8 is fixed immovably with a slotted hole by means of a clamping screw on the pointer hub 7, planing against a hub shoulder for a length of the selected adjustment range, with the necessary reserve for adjustment and construction inaccuracy. The ball 10 engages in the ball groove and on the other hand is freely rotatable about itself in a spherical cap of the adjusting screw 11 and can be rotated by the adjusting screw 11 without play can be fed into the ball groove 9. The adjusting screw 11 is also locked against loosening secured with a threaded pin 12 or the like.

809850/0306809850/0306

LeerseiteBlank page

Claims (1)

PV Oi J}PV Oi J} Patentanspruch^:Claim ^: Stellungsanzeiger zu einem Durchgangsventxl insbesondere für Rohrleitungen,wöbe\ der Ventilkegel von außen mittels einer quer zur Durchflußrichfcung eingeführten nichtdrehbaren Schubstange über einem seitlich im Durchflußraum drehbar gelagerten abgewinkelten Döppelhebel mit der dsc?an angelenkten Ventilstange angetrieben wird,dadurch gekennzeichnet,daß die Zeigernabe (7) von einer steilgängigen Einkugelführung gesteuert wird,bei der die entsprechend steile Kug^lrille (9) in der Schubstange (3) eingebracht ist,in der die Kugel (10) eingreift,die anderseits in einer Kalotte der Stellschraube (11),frei um sich selbst drehbar, gelagert ist,und daß die Stellschraube (11) radial verstellbar in der Zeigernabe (7) angeordnet ist,so daß die Kugel (10) mit der Stellschraube (11) spielfrei in die Kugelrille (9) zugestellt werden kann,wobei die Stellschraube (11) von der vorderen Planfläche der Zeigernabe (7) her mit einem Gewindestift (12) od.dgl. gesichert ist.Position indicator for a through valve, especially for pipelines, if the valve cone is waved from the outside by means of a Non-rotatable push rod introduced transversely to the flow direction Driven by an angled toggle lever with the dsc? is, characterized in that the pointer hub (7) of a steep single-ball guide is controlled, in which the correspondingly steep ball groove (9) introduced in the push rod (3) is, in which the ball (10) engages, the other hand in a spherical cap of the adjusting screw (11), freely rotatable about itself, is mounted, and that the adjusting screw (11) is radially adjustable is arranged in the pointer hub (7) so that the ball (10) with the adjusting screw (11) is fed into the ball groove (9) without play can be, the adjusting screw (11) from the front plane surface the pointer hub (7) ago with a threaded pin (12) or the like. is secured. 809850/0300809850/0300 ORJGtNAL INSPECTEDORJGtNAL INSPECTED
DE19772725415 1976-04-22 1977-06-04 Position indicator for passage valves in pipelines - uses helical single ball track to drive indicator hub on valve Granted DE2725415A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE2617517A DE2617517C2 (en) 1976-04-22 1976-04-22 Straight-way valve
DE19772713482 DE2713482A1 (en) 1976-04-22 1977-03-26 Pipe flow valve position indicator - has boss compensating automatically pitch difference between indicator and spindle thread
DE19772725415 DE2725415A1 (en) 1976-04-22 1977-06-04 Position indicator for passage valves in pipelines - uses helical single ball track to drive indicator hub on valve

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE2617517A DE2617517C2 (en) 1976-04-22 1976-04-22 Straight-way valve
DE19772725415 DE2725415A1 (en) 1976-04-22 1977-06-04 Position indicator for passage valves in pipelines - uses helical single ball track to drive indicator hub on valve
DE19772744720 DE2744720A1 (en) 1976-04-22 1977-10-05 Position indicator for pipeline valve - uses linear spindle movement to operate rotating indicator body with ball riding in helical bush groove to locate pointer sleeve

Publications (2)

Publication Number Publication Date
DE2725415A1 true DE2725415A1 (en) 1978-12-14
DE2725415C2 DE2725415C2 (en) 1988-01-07

Family

ID=33424273

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772725415 Granted DE2725415A1 (en) 1976-04-22 1977-06-04 Position indicator for passage valves in pipelines - uses helical single ball track to drive indicator hub on valve

Country Status (1)

Country Link
DE (1) DE2725415A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105546127A (en) * 2015-12-31 2016-05-04 天津宝恒流体控制设备股份有限公司 Positioning structure for opening position of valve in pipe

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE206317C (en) *
DE1931047U (en) * 1964-08-13 1966-01-13 Klein Schanzlin & Becker Ag POSITION INDICATOR FOR HYDRAULICALLY OPERATED SHUT-OFF VALVES.
DE1650514A1 (en) * 1967-08-31 1970-08-27 Rexroth Gmbh G L Directional control valve

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE206317C (en) *
DE1931047U (en) * 1964-08-13 1966-01-13 Klein Schanzlin & Becker Ag POSITION INDICATOR FOR HYDRAULICALLY OPERATED SHUT-OFF VALVES.
DE1650514A1 (en) * 1967-08-31 1970-08-27 Rexroth Gmbh G L Directional control valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105546127A (en) * 2015-12-31 2016-05-04 天津宝恒流体控制设备股份有限公司 Positioning structure for opening position of valve in pipe

Also Published As

Publication number Publication date
DE2725415C2 (en) 1988-01-07

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