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EP0738523B1 - Sicherheit zur Verhinderung des erneuten Scharfschaltens eines Feuerlöscherkopfes - Google Patents

Sicherheit zur Verhinderung des erneuten Scharfschaltens eines Feuerlöscherkopfes Download PDF

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Publication number
EP0738523B1
EP0738523B1 EP96400803A EP96400803A EP0738523B1 EP 0738523 B1 EP0738523 B1 EP 0738523B1 EP 96400803 A EP96400803 A EP 96400803A EP 96400803 A EP96400803 A EP 96400803A EP 0738523 B1 EP0738523 B1 EP 0738523B1
Authority
EP
European Patent Office
Prior art keywords
control ring
pin
locking pin
head
extinguisher
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
EP96400803A
Other languages
English (en)
French (fr)
Other versions
EP0738523A1 (de
Inventor
Jacques Jalencas
Hervé Berault
Michel Fillot
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.)
Compagnie Centrale Sicli SA
Original Assignee
Compagnie Centrale Sicli SA
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 Compagnie Centrale Sicli SA filed Critical Compagnie Centrale Sicli SA
Publication of EP0738523A1 publication Critical patent/EP0738523A1/de
Application granted granted Critical
Publication of EP0738523B1 publication Critical patent/EP0738523B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
    • A62C13/66—Portable extinguishers which are permanently pressurised or pressurised immediately before use with extinguishing material and pressure gas being stored in separate containers
    • A62C13/72—Portable extinguishers which are permanently pressurised or pressurised immediately before use with extinguishing material and pressure gas being stored in separate containers characterised by releasing means operating essentially simultaneously on both containers
    • A62C13/74—Portable extinguishers which are permanently pressurised or pressurised immediately before use with extinguishing material and pressure gas being stored in separate containers characterised by releasing means operating essentially simultaneously on both containers the pressure gas container being pierced or broken

Definitions

  • the invention lies in the technical field of fire extinguishers and more specifically relates to a new fire extinguisher head with a anti-rearming safety and allowing the visualization of the device for blocking said mechanism.
  • the extinguishers used so far are as we know essentially consist of a tank provided at the top of an opening on which a head is fixed dispensing agent.
  • the head which is a part from foundry or machining or molding is provided with a through-hole which supports a tube plunger extending to the base of the tank, well which communicates with a flexible connection to a blow gun equipped with a spray cane or nozzle.
  • the head also supports a closed gas cartridge under pressure, sustained inside the tank, which can be communication with the interior of said tank after action of a striker on a stopper of the hole in the cartridge.
  • a known percussion system of cartridges is described in EP-0 274 452.
  • the striker and the connecting conduits are housed in the actual distribution head maintained in place on the tank by a fixing nut or other system.
  • Known fire extinguishers are also equipped with a grip handle and presser lever with which the user can by pressing strongly, act on the spray head striker. This operation is not made possible only if he previously shot a locking pin of said presser lever.
  • the invention therefore relates to a head anti-rearm safety extinguisher, comprising a pressurized gas tank and cartridge for the evacuation of the extinguishing agent through said head, as well as a pressure lever acting on a striker, and released by a control ring tearing towards the high, and comprising a blocking pin for immobilization of the striker, head according to which the blocking pin is housed in an opening of said head and is itself locked in this position by the control ring, the end of the pawn allowing the visualization of the state of arming the device.
  • the striker is hollowed out with a circular groove whose triangular profile corresponds to the conical profile from one end of the blocking pin.
  • the pawn of blocking has a lower annular central part diameter than the neighboring parts of the pawn and which corresponds at the spacing of two rods carried by the ring of ordered.
  • the end of the blocking pin on the side opposite the profiled end, has one side colored and this colored end is erased in the opening and is not visible to a user when the presser lever is not actuated.
  • Figure 1 shows a dispensing head 1 intended to be tightly fixed on the orifice upper side of a fire extinguisher tank 2.
  • the head is provided with a through-hole 3 communicating with the interior of the tank, whose orifice upper 4 allows connection to a hose or nozzle not shown.
  • a presser lever 6 On the head of distribution 1 which is a part coming from foundry or machining or molding, revolves around an axis 5, a presser lever 6. A flat 7 of said lever near the axis 5 bears against the rounded head 8 of a striker 9. The latter can slide inside a vertical sleeve 10 on which a cartridge is fixed 11 gas under pressure. The sleeve communicates by a duct not shown with the interior of the tank 2.
  • the striker 9 is shown in more detail in the figure 2. It has a generally cylindrical shape and four sides cut 12 are provided on the sides of its rounded head 8.
  • the striker is hollowed out a profiled circular groove 13 with a triangular profile whose role will appear below.
  • Down another throat circular 14 serves as housing for an O-ring 15 allowing sealed movement of the striker in the sleeve 10.
  • a flange 16 surrounding the base of the striker 9 limits its travel in the sleeve, in which is provided for this purpose a shoulder 17.
  • Finally the striker 9 is hollowed out at its base, axially, and over part of its height of a cell 18 in which a punch pin 19.
  • the horizontal opening 21 serves as a housing for a blocking pin 26 shown in isolation in Figure 4. It is a small cylindrical part whose central part ring 27 is of smaller diameter than that of neighboring parts of the pawn.
  • One end 28 (right on the figure) has a colored side.
  • the opposite end 29 shows a conical profile to the dimensions of the profiled groove 13 of striker 9.
  • the annular central part 27 is offset relative to well 22 and therefore it is impossible replace the control ring 23 even if you have reassemble the lever 6. In any case, the striker remains in low position and the device can no longer be reset without repositioning of the striker which would require opening the fire extinguisher.
  • the anti-rearmament safety mechanism as well described therefore allows immediate visualization of its state armed device ready for use or device already in use.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Burglar Alarm Systems (AREA)
  • Fire Alarms (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Claims (5)

  1. Gegen unkontrolliertes Wiedersichern gesicherter Löscherkopf mit einem Behälter und einer unter Druck stehenden Gaskartusche zum Austrag des Löschmittels durch den Kopf, sowie einem Druckhebel (6), der auf einen Schlagbolzen (9) wirkt und von einem Betätigungsring (23) frei gegeben wird, der sich nach oben abreissen lässt, und der zur Feststellung des Schlagbolzens ein Verriegelungsstück (26) umfasst, dadurch gekennzeichnet, dass das Verriegelungsstück in einer Öffnung (21) des Kopfes (1) untergebracht und selbst durch den Betätigungsring (23) in dieser Position blockiert ist, und dass ein erstes Ende (28) des Verriegelungsstücks es ermöglicht, den Bereitschaftszustand des Geräts anzuzeigen.
  2. Löscherkopf nach Anspruch 1, dadurch gekennzeichnet, dass der Schlagbolzen (9) durch eine kreisförmige Auskehlung (13) vertieft ist, deren trigonales Profil dem konischen Profil eines zweiten Endes (29) des Verriegelungsstücks (26) entspricht.
  3. Löscherkopf nach Anspruch 1, dadurch gekennzeichnet, dass das Verriegelungsstück (26) ein ringförmiges Mittelteil (27) aufweist, dessen Durchmesser kleiner ist als der der angrenzenden Teile des Verriegelungsstücks, und der dem Abstand zweier vom Betätigungsring (23) gehaltener Stifte (24) entspricht.
  4. Löscherkopf nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das zweite in der Öffnung (21) aufgenommene Ende (29) des Verriegelungsstücks (26) in die Auskehlung (13) des Schlagbolzens (9) eingreift, wenn der Betätigungsring (23) an seinem Platz ist und den Druckhebel (6) festhält, und dass das Verriegelungsstück selbst in dieser Position durch die Stifte (24) des Betätigungsrings blockiert ist.
  5. Löscherkopf nach einem der Ansprüche 1 und 4, dadurch gekennzeichnet, dass das erste Ende (28) des Verriegelungsstücks (26) an seiner dem zweiten Ende (29) gegenüber liegenden Seite eine farbige Fläche aufweist, und dass dieses farbige Ende in der Öffnung (21) versinkt und für einen Benutzer nicht sichtbar ist, wenn der Druckhebel (6) nicht betätigt ist.
EP96400803A 1995-04-20 1996-04-16 Sicherheit zur Verhinderung des erneuten Scharfschaltens eines Feuerlöscherkopfes Expired - Lifetime EP0738523B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9504731A FR2733158B1 (fr) 1995-04-20 1995-04-20 Tete d'extincteur a securite antirearmement
FR9504731 1995-04-20

Publications (2)

Publication Number Publication Date
EP0738523A1 EP0738523A1 (de) 1996-10-23
EP0738523B1 true EP0738523B1 (de) 2001-10-04

Family

ID=9478290

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96400803A Expired - Lifetime EP0738523B1 (de) 1995-04-20 1996-04-16 Sicherheit zur Verhinderung des erneuten Scharfschaltens eines Feuerlöscherkopfes

Country Status (4)

Country Link
EP (1) EP0738523B1 (de)
AT (1) ATE206319T1 (de)
DE (1) DE69615602T2 (de)
FR (1) FR2733158B1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2779656B1 (fr) 1998-06-15 2000-08-11 Extincteurs Harden Tube detasseur pour extincteur a gaz auxiliaire propulseur de poudre extinctrice, tete d'extincteur associee audit tube et extincteur comprenant une telle tete
DE202004009260U1 (de) * 2004-06-09 2005-10-20 BAVARIA Egypt S.A.E. Feuerlöscher mit einem Betätigungselement
CN117815612B (zh) * 2024-03-06 2024-05-03 厦门一泰消防科技开发有限公司 一种灭火器内部压力检测装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1401190A (fr) * 1963-11-26 1965-06-04 Tête d'extincteur
FR2609322B1 (fr) * 1987-01-06 1990-04-20 Souchier Fages Systeme de percussion de cartouches de gaz comprime
DE3743536A1 (de) * 1987-12-22 1989-07-06 Diehl Gmbh & Co Zuender bei einem traegergeschoss

Also Published As

Publication number Publication date
FR2733158A1 (fr) 1996-10-25
FR2733158B1 (fr) 1997-07-04
DE69615602D1 (de) 2001-11-08
ATE206319T1 (de) 2001-10-15
EP0738523A1 (de) 1996-10-23
DE69615602T2 (de) 2002-09-12

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