DE916375C - Gate valve - Google Patents
Gate valveInfo
- Publication number
- DE916375C DE916375C DEC3354A DEC0003354A DE916375C DE 916375 C DE916375 C DE 916375C DE C3354 A DEC3354 A DE C3354A DE C0003354 A DEC0003354 A DE C0003354A DE 916375 C DE916375 C DE 916375C
- Authority
- DE
- Germany
- Prior art keywords
- plates
- shut
- gate valve
- arise
- valve according
- 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
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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate 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
- F16K3/12—Gate 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 wedge-shaped arrangements of sealing faces
- F16K3/14—Gate 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 wedge-shaped arrangements of sealing faces with special arrangements for separating the sealing faces or for pressing them together
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
Description
In Höchstdruekkraftwerken werden vielfach Keilschieber mit beweglichen Absperrplatten verwendet, bei denen die Schließkraft exzentrisch angreift. Dia beim Schließen dieser Schieber der Anpreßdruck auf die Absperrplatten ein Drehmoment ausübt, ergibt sich eine ungleichmäßige Anpreßkraft. Außerdem ist zum Ausgleich von Abnutzungen keine Nachstellmöglichkeit vorhanden. Es besteht somit ein erhebliches Bedürfnis nach einem einfachen, betriebssicheren und einwandfrei dichten Absperrschieber. Diie nachstehend beschriebene Konstruktion erfüllt diese Anforderungen,. Erfindungsgemäß wird die durch die Spindel eingeleitete Schließbewegung über ein zylindrisches, in einem Korb an der Spindel senkrecht zur Schließrichtung verschieblich gelagertes Druckstück mit sphärischen, konkaven oder konvexen Diruckflächen zentrisch auf die Absperrplatten Übertragen.In Höchstdruekkraftwerke, wedge valves with movable ones are often used Shut-off plates are used in which the closing force acts eccentrically. Slide at When this slide closes the contact pressure on the shut-off plates creates a torque exerts, there is an uneven contact pressure. Also is to compensate There is no adjustment option for wear and tear. There is thus a considerable Need for a simple, reliable and perfectly tight gate valve. The construction described below fulfills these requirements. According to the invention the closing movement initiated by the spindle is controlled by a cylindrical, in a basket on the spindle perpendicular to the closing direction Pressure piece with spherical, concave or convex pressure surfaces centered on the Transfer barrier plates.
In Fig. r ist der Absperrschieber im Längsschnitt und in Fig.2 in einem Grundrißquerschnitt dargestellt.In Fig. R the gate valve is in longitudinal section and in Fig. 2 in shown in a plan cross-section.
Der Korb b bildet mit dem Druckstück c ein Element, das die :eingeleitete Schließbewegung direkt zentrisch überträgt, im Gegensatz zu bekannten Konstruktionen, bei denen die eingeleitete Bewegung z. B. durch den Korb auf einen angedrehten Zapfen der Absperrplatten durch Linienberührung exzentrisch bis zur Schließstellung übertragen wird, worauf erst in der Endstellung die Anpressung durch eine als Widerlager eingelegte Kugel erfolgt. Eine gleichmäßige Anpressung der beiden Absperrplattend wird dadurch gewährleistet, daß das Druckstück c mit geringer spezifischer Flächenpressung im Korb b axial verschiebbar angeordnet ist. Durch geteilte Ausführung des Druckstücks c können Diifferenzen, die durch das Nacharbeiten der Dichtflächen an den Absperrplattend oder an den Dichtringen e entstehen oder bei der Herstellung aufgetretene Ungenauigkeiten durch Zwischenlegen von Blechen ausgeglichen werden: Die Absperrplatten d können durch Schraubenfund das zweiteilige Druckstück c durch Klammern g (vgl. Fig. z) oder durch andere Befestigungsmöglichkeiten derart miteinander verbunden werden, daß :eine bewegliche Einstellmöglichkeit der Absperrplatten d gewährleistet bleibt, jedoch diese Teile mit dem Korb b den Charakter eines ungeteilten Schieberkeiles erhalten. Dadurch wird erreicht, daß die Dichtflächen beim Öffnen und Schließen nicht aufeinandergleiten, so daß ein frühzeitiges Undichtiverden des Absperrschiebers vermieden wird.The basket b forms with the pressure piece c an element that the: initiated Directly centrically transmits closing movement, in contrast to known constructions, where the initiated movement z. B. through the basket on a turned pin of the shut-off plates eccentrically to the closed position by touching the lines is, whereupon only in the end position the pressure by an inserted as an abutment Ball takes place. This ensures that the two shut-off plates are pressed evenly ensures that the pressure piece c with a low specific surface pressure in the Basket b is arranged to be axially displaceable. Due to the split design of the pressure piece c there may be differences caused by reworking the sealing surfaces on the shut-off plates or on the sealing rings e or inaccuracies that occurred during manufacture be compensated by placing sheets in between: The shut-off plates d can the two-part pressure piece c through brackets g (see Fig. z) or are connected to one another by other fastening options, that: a movable adjustment possibility of the shut-off plates d remains guaranteed, However, these parts with the basket b have the character of an undivided valve wedge obtain. This ensures that the sealing surfaces when opening and closing do not slide on each other, so that the gate valve will leak prematurely is avoided.
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEC3354A DE916375C (en) | 1950-10-31 | 1950-10-31 | Gate valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEC3354A DE916375C (en) | 1950-10-31 | 1950-10-31 | Gate valve |
Publications (1)
Publication Number | Publication Date |
---|---|
DE916375C true DE916375C (en) | 1954-08-09 |
Family
ID=7013045
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEC3354A Expired DE916375C (en) | 1950-10-31 | 1950-10-31 | Gate valve |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE916375C (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1046430B (en) * | 1954-12-06 | 1958-12-11 | Hans Weber Dipl Ing | Holding device for slide plates of gate valves |
DE1101079B (en) * | 1958-03-19 | 1961-03-02 | Westark G M B H Armaturenfabri | Gate valve with two wedge-shaped, rotating and swiveling arranged gate valves |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE462444C (en) * | 1928-07-11 | Kuhlmann Akt Ges W | Wedge gate valve with double plates | |
DE474901C (en) * | 1925-10-06 | 1929-04-13 | Michel Autier | Parallel slide |
DE642546C (en) * | 1934-10-31 | 1937-03-08 | Schaeffer & Budenberg G M B H | Gate valve |
-
1950
- 1950-10-31 DE DEC3354A patent/DE916375C/en not_active Expired
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE462444C (en) * | 1928-07-11 | Kuhlmann Akt Ges W | Wedge gate valve with double plates | |
DE474901C (en) * | 1925-10-06 | 1929-04-13 | Michel Autier | Parallel slide |
DE642546C (en) * | 1934-10-31 | 1937-03-08 | Schaeffer & Budenberg G M B H | Gate valve |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1046430B (en) * | 1954-12-06 | 1958-12-11 | Hans Weber Dipl Ing | Holding device for slide plates of gate valves |
DE1101079B (en) * | 1958-03-19 | 1961-03-02 | Westark G M B H Armaturenfabri | Gate valve with two wedge-shaped, rotating and swiveling arranged gate valves |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE916375C (en) | Gate valve | |
DE1162144B (en) | Mechanical seal | |
DE597288C (en) | Gate valve | |
DE1155947B (en) | Sealing ring for shut-off devices, especially for high pressures | |
DE888490C (en) | Gate valve with two movable shut-off plates | |
DE921545C (en) | Gate valve | |
DE804633C (en) | Gate valve for high pressures and hot supplies | |
DE1998346U (en) | FLAP VALVE | |
DE459775C (en) | Sealing ring with cylindrical and flat sealing joint for rotatable furnace locks | |
DE483126C (en) | Injection nozzle for internal combustion engines, especially with airless injection | |
DE1136164B (en) | Automatic and steplessly acting mechanical adjustment device for brake shoes, especially of disc friction brakes | |
DE560911C (en) | Water-cooled gate valve with pressure devices for the valve plate | |
DE381477C (en) | Drive for superheated steam valve with wedge pressure | |
DE919446C (en) | Gate valve for pipelines | |
DE1150552B (en) | Gate valve with two shut-off plates and two wedge-shaped pressure pieces | |
DE568966C (en) | Shaft sealing by means of elastic washers with the interposition of sealing rings | |
DE694392C (en) | Stuffing box with metal packing | |
CH315687A (en) | Gate valve | |
DE959870C (en) | Gate valve | |
DE925329C (en) | Pre-tensioned sealing ring or pressure ring for valves or gate valves, elastic due to several compression springs distributed over the circumference | |
DE459077C (en) | Closing slide for coarse, solid materials, especially for ash removal devices in furnaces | |
DE968883C (en) | Double-plate wedge gate valve | |
DE382701C (en) | Device for clamping the work piece in slot milling machines and other machines | |
DE717136C (en) | Steel bottle shut-off valve | |
DE524592C (en) | Sealing device for rotary valve of internal combustion engines |