DE704046C - Gate valve - Google Patents

Gate valve

Info

Publication number
DE704046C
DE704046C DE1938D0078391 DED0078391D DE704046C DE 704046 C DE704046 C DE 704046C DE 1938D0078391 DE1938D0078391 DE 1938D0078391 DE D0078391 D DED0078391 D DE D0078391D DE 704046 C DE704046 C DE 704046C
Authority
DE
Germany
Prior art keywords
slide
gate valve
rollers
spindle
fork
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
Application number
DE1938D0078391
Other languages
German (de)
Inventor
Johann Schieffer
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.)
Deutsche Babcock and Wilcox Dampfkesselwerke AG
Original Assignee
Deutsche Babcock and Wilcox Dampfkesselwerke AG
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 DED65947D priority Critical patent/DE605870C/en
Priority to DED76504D priority patent/DE680780C/en
Priority claimed from DED76504D external-priority patent/DE680780C/en
Application filed by Deutsche Babcock and Wilcox Dampfkesselwerke AG filed Critical Deutsche Babcock and Wilcox Dampfkesselwerke AG
Priority to DE1938D0078391 priority patent/DE704046C/en
Application granted granted Critical
Publication of DE704046C publication Critical patent/DE704046C/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F16K3/16Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together
    • F16K3/18Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the closure members
    • F16K3/182Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the closure members by means of toggle links
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F16K3/16Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together
    • F16K3/18Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the closure members
    • F16K3/184Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the closure members by means of cams

Description

Absperrschieber Die Erfindung. betrifft einen Absperrschieber, bei welchem nach dem Zusatzpatent 68078o das Kniehebelgesperre als Verbindungsglied zwischen Schiebergabel und Schieberspindel ausgebildet ist, und besteht darin, daß das Kniehehelgesperre und die Zwischenglieder durch einen Rollensatz ersetzt sind, welcher in einem Schlitz senkrecht zur Spindelachse verschiebbar ist.Gate valve The invention. concerns a gate valve, at which according to the additional patent 68078o the toggle lock as a connecting link is formed between the slide fork and slide spindle, and consists in that the knee joint lock and the intermediate links have been replaced by a set of rollers, which can be moved in a slot perpendicular to the spindle axis.

DerAbsperrschieber nach dem Zusatzpatent 680780 vermeidet die dem Schieber nach Patent 6o5 87o noch anhängenden Mängel.. Er bedarf. jedoch hierzu einer Vorrichtung von vier Hebeln mit insgesamt fünf Gelenken, welche bei nicht ganz reinem Dampf zu Störungen Anlaß geben können. Diese noch bestehende Unsicherheit wird gemäß der Erfindung dadurch behoben, daß an Stelle der Hebel und Gelenke Rollen in eine Führungsbahn treten. Die Rollen haben großen Um-.fang und nur _lockere Führung, so 'daß sie gegen unreinen Dampf nichtempfindlich sind. Auch ist es leicht, die einfach gestalteten Rollen zu härten, urid die Haltung an Ersatzteilen wird vereinfacht.The gate valve according to the additional patent 680780 avoids the defects still attached to the gate valve according to patent 6o5 87o. however for this purpose a device of four levers with a total of five joints, which can give rise to malfunctions if the steam is not completely pure. This still existing uncertainty is eliminated according to the invention in that instead of the levers and joints, rollers enter a guideway. The rollers have a large circumference and only loose guidance, so that they are not sensitive to unclean steam. It is also easy to harden the simply designed roles, and the maintenance of spare parts is simplified.

Ein gemäß der Erfindung ausgebildeter Schieber ist in den Abb. i und z in zwei zueinander senkrechten Schnitten durch die Spindelachse dargestellt. Die Bezifferung deckt sich mit der der Patentschrift 680780. A slide designed according to the invention is shown in FIGS. I and z in two mutually perpendicular sections through the spindle axis. The numbering coincides with that of patent 680780.

Im Schiebergehäuse i sind die Dichtringe z, 3 befestigt. Die Dichtplatten q., 5 sind unter Zwischenschaltung von gehärteten Gleitbüchsen 7 und 8 mit zylindrischen Ansätzen in der Schicbergabe16 axial gelagert. Die Schieberspindel wird mit ihrem Bund 9 in der Schiebergabel6 axial geführt und bildet selbst eine Gabel, oder cöse i o, die den Spreizbolzen i i trägt. Zwischen diese und die Dichtplatten 4, 5 sind die Spreizglieder 12, 13 eingeschaltet.The sealing rings z, 3 are fastened in the valve housing i. The sealing plates q., 5 are with the interposition of hardened sliding bushings 7 and 8 with cylindrical Approaches in the Schicbergabe16 axially supported. The slide spindle is with your Collar 9 axially guided in the slide fork 6 and itself forms a fork, or cöse i o that the expansion bolt i i wears. Between these and the sealing plates 4, 5, the spreading members 12, 13 are switched on.

Um ein vorzeitiges Sperren der Dichtplatten in jeder Einbaulage des Schiebers zu vermeiden, ist die Sicherung als Verbindung zwischen Schiebergabel und Schieberspindel ausgebildet. Zu diesem Zweck ist in die Schiebergabel, die sich nach unten als überbrückttngsrohr 14 fortsetzt, eine zur Rohrachse und zur Spindelachse senkrechte Rollenbahn 3 i eingesetzt, welche mehrere Rollen 32 aufnimmt. Die Rollen werden von dem Vor- bzw. Rücksprung 30, 29 der Führungsrippen 27, 28 gesteuert.To prevent the sealing plates from locking prematurely in any installation position of the To avoid the slide is the fuse as a connection between the slide fork and valve spindle formed. For this purpose, the slide fork that is continues downward as bridging tube 14, one to the tube axis and one to the spindle axis vertical roller conveyor 3 i used, which receives several rollers 32. The roles are controlled by the projection or recess 30, 29 of the guide ribs 27, 28.

Es wird eine ungerade Anzahl von Rollen benutzt. In der gezeichneten Schließstellung gibt der Rücksprung 29 -der Rippe 27 den Rollenweg nach links frei, während der Vorsprung 3o an der Rippe 28 die Rollen nach links drückt. Sobald das Überbrückungsrohr 14 auf dem Anschlage des Gehäuses aufsitzt, drückt die Schieberspindel nach unten und schiebt mit der Nase 33 die Rollen, falls sie "noch nicht genügend ausgewichen sind, beiseite. Durch diese Bewegung der Spindel wird das Spreizgelenk i 1, 12, 13 gestreckt und die Schieberplatten 4, 5 auf die Sitze 2, 3 gepreßt. Beim Öffnen des Schiebers geht zunächst die Schieberstange aufwärts, bis ihr Bund an der Schiebergabel anliegt. Dabei wird die Streckung des Spreizgelenkes aufgehoben, und die Schieberplatten werden freigegeben. Bei weiterer Bewegung schiebt der schräge Anlauf der Rippe 27 die Rollen 32 nach rechts, bis die mittlere Rolle unter der Nase 33 steht und dadurch eine gegenseitige Bewegung der Schiebergabel gegen die Schieberspindel, welche zum Spreizen der Plattenanpressung i i, 12, 13 führen würde, sperrt. In dieser gesperrten Stellung bleibt der Schiebereinsatz in der gestrichelt gezeichneten Ofienstellung und während des Schließens bis zu dem eingangs beschriebenen Aufsetzen des Rohres 14 auf den Anschlag c.An odd number of roles are used. In the drawn In the closed position, the recess 29 of the rib 27 releases the roller path to the left, while the projection 3o on the rib 28 presses the rollers to the left. As soon as that Bridging tube 14 rests on the stop of the housing, pushes the valve spindle down and pushes the rollers with the nose 33, if they are "not yet sufficient have dodged, aside. This movement of the spindle causes the expansion joint i 1, 12, 13 stretched and the slide plates 4, 5 pressed onto the seats 2, 3. At the When the slide is opened, the slide rod first goes up until its collar is on the slide fork is in contact. The extension of the splay joint is eliminated, and the slide plates are released. With further movement the inclined pushes Approach of the rib 27 the rollers 32 to the right until the middle roller under the Nose 33 is and thereby a mutual movement of the slide fork against the Slide spindle, which would lead to spreading of the plate pressure i i, 12, 13, locks. In this locked position, the slide insert remains in the dashed line drawn Ofienstellung and during the closing up to the initially described Placing the tube 14 on the stop c.

Claims (1)

PATENTANSPRUCH: Absperrschieber nach dem Zusatzpatent 68078o, dadurch gekennzeichnet, däß das Kniehebelgesperre und die Zwischenglieder durch einen Rollensatz (32) ersetzt sind, welcher in einem Schlitz (31) senkrecht zur Spindelachse verschiebbar ist.PATENT CLAIM: Gate valve according to the additional patent 68078o, thereby characterized, that the toggle lock and the intermediate links by a set of rollers (32) are replaced, which is displaceable in a slot (31) perpendicular to the spindle axis is.
DE1938D0078391 1933-05-27 1938-07-10 Gate valve Expired DE704046C (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DED65947D DE605870C (en) 1933-05-27 1933-05-27 Gate valve
DED76504D DE680780C (en) 1933-05-27 1937-11-04 Gate valve
DE1938D0078391 DE704046C (en) 1937-11-04 1938-07-10 Gate valve

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DED76504D DE680780C (en) 1933-05-27 1937-11-04 Gate valve
DE1938D0078391 DE704046C (en) 1937-11-04 1938-07-10 Gate valve

Publications (1)

Publication Number Publication Date
DE704046C true DE704046C (en) 1941-03-21

Family

ID=33132482

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1938D0078391 Expired DE704046C (en) 1933-05-27 1938-07-10 Gate valve

Country Status (1)

Country Link
DE (1) DE704046C (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE916374C (en) * 1950-02-28 1954-08-09 Huels Chemische Werke Ag Slider
DE919446C (en) * 1949-08-25 1954-10-21 Maerkischer Armaturenbau G M B Gate valve for pipelines
DE970127C (en) * 1951-10-30 1958-08-21 Acf Ind Inc Straight gate valve
US4238111A (en) * 1978-08-04 1980-12-09 Torr Vacuum Products, Inc. Gate valve for use with vacuum equipment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE919446C (en) * 1949-08-25 1954-10-21 Maerkischer Armaturenbau G M B Gate valve for pipelines
DE916374C (en) * 1950-02-28 1954-08-09 Huels Chemische Werke Ag Slider
DE970127C (en) * 1951-10-30 1958-08-21 Acf Ind Inc Straight gate valve
US4238111A (en) * 1978-08-04 1980-12-09 Torr Vacuum Products, Inc. Gate valve for use with vacuum equipment

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