EP0788815B1 - Levier de pression avec soupape pour extincteur d'incendie sous pression permanente - Google Patents

Levier de pression avec soupape pour extincteur d'incendie sous pression permanente Download PDF

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Publication number
EP0788815B1
EP0788815B1 EP97101877A EP97101877A EP0788815B1 EP 0788815 B1 EP0788815 B1 EP 0788815B1 EP 97101877 A EP97101877 A EP 97101877A EP 97101877 A EP97101877 A EP 97101877A EP 0788815 B1 EP0788815 B1 EP 0788815B1
Authority
EP
European Patent Office
Prior art keywords
valve
bore
pressure
valve body
pressure gauge
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 - Lifetime
Application number
EP97101877A
Other languages
German (de)
English (en)
Other versions
EP0788815B2 (fr
EP0788815A3 (fr
EP0788815A2 (fr
Inventor
Daniel Hofer
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.)
GNUTTI CIRILLO SpA
Original Assignee
Hofer Daniel
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
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Application filed by Hofer Daniel filed Critical Hofer Daniel
Publication of EP0788815A2 publication Critical patent/EP0788815A2/fr
Publication of EP0788815A3 publication Critical patent/EP0788815A3/fr
Application granted granted Critical
Publication of EP0788815B1 publication Critical patent/EP0788815B1/fr
Publication of EP0788815B2 publication Critical patent/EP0788815B2/fr
Anticipated expiration legal-status Critical
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Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C13/00Portable extinguishers which are permanently pressurised or pressurised immediately before use
    • A62C13/62Portable extinguishers which are permanently pressurised or pressurised immediately before use with a single permanently pressurised container
    • A62C13/64Portable extinguishers which are permanently pressurised or pressurised immediately before use with a single permanently pressurised container the extinguishing material being released by means of a valve

Definitions

  • the invention relates to a pressure lever valve for continuous pressure fire extinguishers according to the preamble of claim 1.
  • Continuous pressure fire extinguishers consist of a container that holds the absorbs powdered extinguishing agents and by means of compressed Nitrogen is pressurized.
  • a riser pipe arranged in the container.
  • the valve has one Valve bore on which the riser pipe with a Connected valve body connecting port connects.
  • a valve tappet is axially displaceable, which opens or closes the valve bore and accordingly the passage between the riser pipe and the connection opening releases or closes.
  • the valve lifter is spring loaded held in the closed position.
  • valve tappet against the Spring force By means of one on the valve body stored pressure lever, the valve tappet against the Spring force are brought into the open position.
  • a nozzle is attached to the connection opening in order to use the Fire extinguisher with the valve open, the extinguishing agent under pressure to apply over the riser pipe and the connection opening.
  • the connection opening As well becomes the connection opening during filling and maintenance used to introduce the nitrogen gas under pressure into the container.
  • a pressure gauge attached to the valve is used for this, which is connected to the inside of the container via a pressure hole stands.
  • the valve also has a test socket, which also has a pressure hole in the inside of the container Connection is established.
  • the test socket is used to connect an external one Pressure tester during maintenance of the fire extinguisher.
  • the Test nozzle can also be equipped with a rupture disc device equipped as a protection against overpressure in the container his.
  • valve body Brass e.g. brochure 01/87 from CÉO-DEUX, Lintgen, Germany and Ediz prospectus. 2/1989 from CPF Industriale, Gussago, Italy
  • a threaded connector is used to connect the manometer of the valve body to which the manometer is screwed.
  • the screw connection of the manometer with the valve body is a possible leak that can lead to pressure losses.
  • the screwed-on manometer increases the overall dimensions of the Valve.
  • the invention has for its object a pressure lever valve to improve the genus mentioned so that its function becomes more reliable and the construction dimensions are reduced.
  • the manometer built into the valve body via a cross hole inside the valve body with the test socket connected.
  • This can cause the internal pressure of the container via a single common pressure hole to both the manometer as well as to the test nozzle, so that the Valve is structurally simple.
  • This pressure hole is expediently parallel and offset to the valve bore arranged and opens into the cross hole that the manometer with connects the test socket.
  • the pressure lever valve for a continuous pressure fire extinguisher points a one-piece valve body 10 made of brass. Down on that Valve body 10 is formed on an external thread 11, which for Attachment of the valve body 10 to a not shown Extinguishing agent container in an internal thread of the neck of the container is screwed in sealingly. An ascending pipe of the extinguishing agent container is threaded into an internal thread on the valve body 10 screwed in, which is coaxial within the external thread 11 is formed.
  • the valve body 10 is axially from top to bottom of one Valve bore 20 passes through.
  • the valve bore 20 widens at its lower end conical to the diameter of the riser pipe.
  • the conical extension forms a valve seat.
  • a valve tappet guided, at the lower end of which a valve cone is formed, which cooperates with the valve seat of the valve bore 20 to to open or close the valve bore 20 against the riser pipe conclude.
  • At the top of the valve body 10 there is an extension 12 integrally formed on a bearing bore 13.
  • a pressure lever not shown, mounted on the the end of the valve stem protruding from the valve bore 20 attacks.
  • valve lifter By pressing the pressure lever against the The valve lifter is pressed down by a spring so that his valve cone releases the valve bore 20, so that this with the riser pipe and thus the extinguishing agent container in connection is coming. If the pressure lever is released, the spring presses the Valve tappet in the closed position. With one in a fork 14 of the valve body 10 engaging locking pin can Pressure lever must be secured against unintentional actuation.
  • a connecting piece 21 is integrally formed on the side of the valve body 10.
  • the connection piece 21 has a connection opening 22, the above the valve seat radially perpendicular into the valve bore 20 flows.
  • the connection piece 21 with the connection opening 22 is used to connect a nozzle through which when in use of the fire extinguisher is discharged from the container becomes.
  • the connection piece 21 with the connection opening also serves 22 when filling the container, nitrogen under pressure fill into the container.
  • a manometer socket 30 is integrally formed.
  • the pressure gauge socket 30 has a substantially cylindrical face that is open at the end Turn 31 on.
  • the recess 31 is used for receiving of a manometer, not shown.
  • the Turning 31 an inner shoulder 32 is arranged.
  • a membrane disc of the manometer is inserted into the recess 31 and sits on the inner shoulder 32.
  • the membrane disc will preferably soldered into the pressure gauge socket 30.
  • the membrane disc actuates a pressure indicator via a gear, the Gearbox and the pressure gauge in the space of the recess 31 before the membrane disc are arranged.
  • An undercut puncture 33 of the recess 31 serves to receive a snap ring, which the transmission and the display of the manometer in the Turn 31 secures. There is a window in front of the snap ring pressed into the recess 31 to the gear and the display to close.
  • test socket 40 is integrally formed on the valve body 10.
  • the test nozzle 40 has an external thread, by means of which an external thread Pressure test device for the maintenance of the fire extinguisher can be connected. If necessary, is in the test nozzle 40 also a rupture disc device as overpressure protection used.
  • a transverse bore 41 leads from the test nozzle 40 through the valve body 10 and opens into the bottom surface of the recess 31 of the Manometer socket 30.
  • the transverse bore 41 is skewed the valve bore 20 in a perpendicular to the valve bore 20 Level and on the side opposite the connecting piece 21 the valve bore 20.
  • Axially parallel to the valve bore 20 and offset against this is a pressure bore 42 in the valve body 10 trained.
  • the pressure bore 42 opens out with its upper one End in the transverse bore 41, while its lower end in the area of the internal thread receiving the riser pipe.
  • the internal thread has an axially parallel notch that the pressure hole 42 continues in alignment.
  • the pressure bore 42 is above the Notching of the internal thread with the internal pressure space of the container in connection.
  • the internal pressure of the container is applied thus via the indentation of the internal thread, the pressure bore 42 and the transverse bore 41 the inside of the membrane disc of the in the manometer socket 30 used manometer.
  • the internal pressure of the container is above the transverse bore 41 on the test nozzle 40 for a possible check and applied the rupture disc safety device.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Safety Valves (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)

Claims (6)

  1. Levier de pression avec soupape pour extincteur d'incendie sous pression permanente qui comprend :
    un corps de soupape (10) en métal, de préférence en laiton qui peut se visser sur un récipient contenant un agent d'extinction et équipé d'un tube ascendant,
    un alésage de soupape traversant axialement le corps de soupape et en alignement axial avec le tube ascendant,
    un poussoir de soupape logé dans l'alésage de soupape et qui pour fermer ou ouvrir la soupape, peut être déplacé axialement par la manoeuvre d'un levier de pression,
    une ouverture de raccordement (22) débouchant radialement dans l'alésage de soupape 20),
    un manomètre en liaison avec l'intérieur du récipient par l'intermédiaire d'un alésage de pression (42),
    une tubulure de contrôle (40) en liaison avec l'intérieur du récipient par l'alésage de pression (42),
    caractérisé en ce que
    le manomètre est inséré dans une tubulure de manomètre monobloc avec le corps de soupape (30).
  2. Soupape selon la revendication 1,
    caractérisée en ce que
    le manomètre comprend un disque à membrane soudé dans une partie tournée (31) de la tubulure de manomètre, ainsi qu'un mécanisme indicateur fixé dans la partie tournée (31) par l'intermédiaire d'un circlip.
  3. Soupape selon la revendication 1 ou 2,
    caractérisée en ce que
    le manomètre et la tubulure de contrôle (40) sont en relation par un alésage transversal (41) en déversoir de l'alésage de soupape (20), un seul alésage de pression (42) commun étant prévu pour le manomètre et la tubulure de contrôle (40).
  4. Soupape selon la revendication 3,
    caractérisée en ce que
    l'alésage de pression (42), parallèle et décalé axialement par rapport à l'alésage de soupape (20), débouche dans l'alésage transversal (41).
  5. Soupape selon la revendication 4,
    caractérisée en ce que
    l'alésage de pression (42) débouche dans le récipient, en dehors du tube ascendant.
  6. Soupape selon la revendication 5,
    caractérisée en ce qu'
    une rainure, parallèle à l'axe, creusée dans le filetage interne du corps de soupape (10) qui accueille le tube ascendant, se raccorde avec alignement axial, à l'alésage de pression (42).
EP97101877A 1996-02-09 1997-02-06 Levier de pression avec soupape pour extincteur d'incendie sous pression permanente Expired - Lifetime EP0788815B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29602248U 1996-02-09
DE29602248U DE29602248U1 (de) 1996-02-09 1996-02-09 Druckhebel-Ventil für Dauerdruck-Feuerlöscher

Publications (4)

Publication Number Publication Date
EP0788815A2 EP0788815A2 (fr) 1997-08-13
EP0788815A3 EP0788815A3 (fr) 1998-05-20
EP0788815B1 true EP0788815B1 (fr) 2000-05-31
EP0788815B2 EP0788815B2 (fr) 2003-09-24

Family

ID=8019228

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97101877A Expired - Lifetime EP0788815B2 (fr) 1996-02-09 1997-02-06 Levier de pression avec soupape pour extincteur d'incendie sous pression permanente

Country Status (4)

Country Link
EP (1) EP0788815B2 (fr)
AT (1) ATE193458T1 (fr)
DE (2) DE29602248U1 (fr)
ES (1) ES2148850T5 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2155318B1 (es) * 1998-02-05 2001-12-01 Salmeron Mercedes Gonzalez Cabezal para extintores.
IT249263Y1 (it) 2000-08-22 2003-04-08 Sae Antincendio S N C Sistema di collegamento di un manometro alla valvola di scarico rapido per estintori a pressione.
ES2328772B1 (es) * 2007-07-25 2010-09-14 Aykan Xxi, S.L. Valvula polivalente para extintores de incendios.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1406359A (en) 1973-02-07 1975-09-17 Chubb Fire Security Ltd Fire extinghuishing apparatus
US4046156A (en) * 1975-12-04 1977-09-06 Systron-Donner Corporation Explosion discharge valve
GB2148114B (en) * 1983-10-21 1987-05-20 Roger Carr Powder type fire extinguisher
DE3733224A1 (de) 1986-10-01 1988-04-14 Preussag Ag Bauwesen Handfeuerloescher
USD334826S (en) 1991-07-18 1993-04-13 Mija Industries, Inc. Integral gauge and fire extinguisher valve housing
RO108416B1 (ro) 1993-04-01 1994-05-31 Neculai Stirbei Stingător presurizat

Also Published As

Publication number Publication date
EP0788815B2 (fr) 2003-09-24
ATE193458T1 (de) 2000-06-15
DE29602248U1 (de) 1996-04-11
EP0788815A3 (fr) 1998-05-20
ES2148850T5 (es) 2004-06-16
DE59701789D1 (de) 2000-07-06
ES2148850T3 (es) 2000-10-16
EP0788815A2 (fr) 1997-08-13

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