EP0948973B1 - Spray nozzle for fire fighting equipment - Google Patents

Spray nozzle for fire fighting equipment Download PDF

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Publication number
EP0948973B1
EP0948973B1 EP98106421A EP98106421A EP0948973B1 EP 0948973 B1 EP0948973 B1 EP 0948973B1 EP 98106421 A EP98106421 A EP 98106421A EP 98106421 A EP98106421 A EP 98106421A EP 0948973 B1 EP0948973 B1 EP 0948973B1
Authority
EP
European Patent Office
Prior art keywords
lever arm
nozzle
holder
valve
constructed
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
EP98106421A
Other languages
German (de)
French (fr)
Other versions
EP0948973A1 (en
Inventor
Eduard J. Dipl.-Ing. Job
Christian Schnoor
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.)
Job Lizenz GmbH and Co KG
Original Assignee
Job Lizenz GmbH and Co KG
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 Job Lizenz GmbH and Co KG filed Critical Job Lizenz GmbH and Co KG
Priority to DE59808531T priority Critical patent/DE59808531D1/en
Priority to EP98106421A priority patent/EP0948973B1/en
Priority to US09/273,628 priority patent/US6112820A/en
Priority to CN99105898A priority patent/CN1106204C/en
Publication of EP0948973A1 publication Critical patent/EP0948973A1/en
Application granted granted Critical
Publication of EP0948973B1 publication Critical patent/EP0948973B1/en
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
    • A62C37/00—Control of fire-fighting equipment
    • A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
    • A62C37/10—Releasing means, e.g. electrically released
    • A62C37/11—Releasing means, e.g. electrically released heat-sensitive
    • A62C37/14—Releasing means, e.g. electrically released heat-sensitive with frangible vessels

Definitions

  • the invention relates to a spray nozzle according to the preamble of claim 1.
  • Such a spray nozzle is known from US Pat. No. 3,812,915.
  • This known spray nozzle has a thermal trigger element on that when a certain temperature is reached melts.
  • Parallel to this melting thermal Trigger element is a spring, which in the event of a safety i.e. when the thermal release element has melted is pushing the lever arm away from the valve body so that the nozzle opening can be released. So it's on the side two elements, the thermal release element and the Feather present. This makes assembly difficult and the spray nozzle is complex overall.
  • the invention is based on the object of a spray nozzle to create the type mentioned, in which the trigger element is not only kept safe, but at with a simple construction, a simple assembly of the trigger element is possible.
  • the thermal release element is a conventional glass barrel.
  • the travel of the lever arm exploited to the thermal trigger element, for example the glass kettle to position in place.
  • the lever arm not only supports the thermal release element but it is also a spring element.
  • the device is designed as in claim 2 specified, then it is ensured that the overlapping Holders with lever arm do not move laterally can. So the lever arm is held once by that he form-fit the parallel sides of the nozzle head hook-shaped surrounds and the other in the incision lies in the end face of the nozzle body.
  • the groove according to claim 3 serves the safe and immovable Arrangement of the bearing lever, the protruding lever arm lies opposite and between the and the lever arm thermal trigger element is arranged.
  • the spray nozzle shown in the drawing consists of a Base body 1, which is installed as it is in the Drawing is shown, i.e. the one with the container for the Extinguishing liquid connected bore 16 is at the top.
  • a conical and circular Valve seat 7 is provided, the valve body 3 in the form picks up a bullet.
  • a swirl insert 2 is positioned in front of the valve seat .
  • the valve body 3 is held by a holder 5 which made of spring steel as it is from the drawing results. It has two lever arms 13 and 14. The one lever arm 14 is hooked into the nozzle body at 15. It stops the valve body 3 on the seat. The other lever arm 13 resilient with respect to the lever arm 14 and protrudes laterally. It has an opening 11 for receiving the thermal release element on.
  • the other end of the thermal release element is in an opening 12 in a bearing lever 4, which is also a Stamped part is and fastened in a groove 9 in the base body 1 is.
  • the bearing lever 4 has two screens 10 for protection the tip of the thermal release element 6, which in this Trap is a glass vial, on.
  • thermal release element 6 with its longitudinal axis substantially parallel to the longitudinal axis of the base body 1, but lies next to this. This creates a low overall height, and the individual Components are simple and inexpensive to manufacture.
  • asymmetrical storage together with the spring action of the holder, i.e. the preload ensures that the parts that are triggered when a In the event of a fire, must be safely removed become.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Description

Der Erfindung betrifft eine Spritzdüse nach dem Oberbegriff des Anspruches 1.The invention relates to a spray nozzle according to the preamble of claim 1.

Eine derartige Spritzdüse ist aus der US-PS 3,812,915 bekannt. Diese bekannte Spritzdüse weist ein thermisches Auslöseelement auf, das bei Erreichen einer bestimmten Temperatur schmilzt. Parallel zu diesem schmelzenden thermischen Auslöseelement ist eine Feder angeordnet, die im Sicherheitsfall, d.h. wenn das thermische Auslöseelement geschmolzen ist, den Hebelarm von dem Ventilkörper wegdrückt, so daß die Düsenöffnung freigegeben werden kann. Es sind also seitlich zwei Elemente, das thermische Auslöseelement und die Feder vorhanden. Hierdurch wird die Montage schwierig und die Spritzdüse ist insgesamt kompliziert ausgebildet.Such a spray nozzle is known from US Pat. No. 3,812,915. This known spray nozzle has a thermal trigger element on that when a certain temperature is reached melts. Parallel to this melting thermal Trigger element is a spring, which in the event of a safety i.e. when the thermal release element has melted is pushing the lever arm away from the valve body so that the nozzle opening can be released. So it's on the side two elements, the thermal release element and the Feather present. This makes assembly difficult and the spray nozzle is complex overall.

Der Erfindung liegt nun die Aufgabe zugrunde, eine Spritzdüse der eingangs genannten Art zu schaffen, bei der das Auslöseelement nicht nur sicher gehalten wird, sondern bei der bei einfachem Aufbau eine einfache Montage des Auslöseelementes möglich ist.The invention is based on the object of a spray nozzle to create the type mentioned, in which the trigger element is not only kept safe, but at with a simple construction, a simple assembly of the trigger element is possible.

Diese Aufgabe wird durch das Kennzeichen des Anspruches 1 gelöst.This object is achieved by the characterizing part of claim 1 solved.

Dadurch, daß der seitlich überstehende Hebelarm unter Federspannung steht, d.h. federnd ausgebildet ist, wird die Montage des thermischen Auslöseelementes erleichtert. Dies ist insbesondere dann von Vorteil, wenn es sich bei dem thermischen Auslöseelement um ein übliches Glasfäßchen handelt. Um die Montage durchzuführen, wird der Federweg des Hebelarmes ausgenutzt, um das thermische Auslöseelement, beispielsweise das Glasfäßchen, an seinem Platz zu positionieren. Der Hebelarm stützt also nicht nur das thermische Auslöseelement ab, sondern er ist gleichzeitig Federelement.The fact that the lever arm protrudes laterally under spring tension stands, i.e. is springy, the assembly the thermal release element facilitated. This is particularly advantageous if the thermal Trigger element is a conventional glass barrel. Around to carry out the assembly, the travel of the lever arm exploited to the thermal trigger element, for example the glass kettle to position in place. The lever arm not only supports the thermal release element but it is also a spring element.

Wenn die Vorrichtung so ausgebildet ist, wie in Anspruch 2 angegeben, dann ist sichergestellt, daß der den überstehenden Hebelarm aufweisende Halter sich seitlich nicht verschieben kann. Der Hebelarm wird also einmal dadurch gehalten, daß er formschlüssig die parallelen Seiten des Düsenkopfes hakenförmig umgibt und zum anderen in dem Einschnitt in der Stirnfläche des Düsenkörpers liegt.If the device is designed as in claim 2 specified, then it is ensured that the overlapping Holders with lever arm do not move laterally can. So the lever arm is held once by that he form-fit the parallel sides of the nozzle head hook-shaped surrounds and the other in the incision lies in the end face of the nozzle body.

Die Nut nach Anspruch 3 dient der sicheren und unverrückbaren Anordnung des Lagerhebels, der dem überstehenden Hebelarm gegenüberliegt und zwischen dem und dem Hebelarm das thermische Auslöseelement angeordnet ist.The groove according to claim 3 serves the safe and immovable Arrangement of the bearing lever, the protruding lever arm lies opposite and between the and the lever arm thermal trigger element is arranged.

Im folgenden wird die Erfindung unter Hinweis auf die Zeichnung anhand eines Ausführungsbeispieles näher erläutert. In the following the invention with reference to the drawing explained in more detail using an exemplary embodiment.

Es zeigt:

Fig. 1:
einen Längsschnitt durch eine Ausführungsform einer Spritzdüse nach der Erfindung;
Fig. 2:
eine Seitenansicht der Darstellung der Fig. 1 im geschlossenen Zustand, d.h. vor Auslösung des Löschvorganges;
Fig. 3:
eine Draufsicht auf den Bereich des Ventilsitzes des Düsenkörpers;
Fig. 4:
eine Seitenansicht unmittelbar nach der Zerstörung des thermischen Auslöseelementes; und
Fig. 5:
eine der Fig. entsprechende Seitenansicht, jedoch etwas später, wenn sich der Halter und der Ventil- körper vollständig von dem Düsenkörper entfernt haben.
It shows:
Fig. 1:
a longitudinal section through an embodiment of a spray nozzle according to the invention;
Fig. 2:
a side view of the representation of Figure 1 in the closed state, ie before triggering the deletion process.
Fig. 3:
a plan view of the area of the valve seat of the nozzle body;
Fig. 4:
a side view immediately after the destruction of the thermal release element; and
Fig. 5:
a side view corresponding to the figure, but a little later when the holder and the valve body have completely removed from the nozzle body.

Die in der Zeichnung dargestellte Spritzdüse besteht aus einem Grundkörper 1, der so eingebaut wird, wie er in der Zeichnung dargestellt ist, d.h. die mit dem Behälter für die Löschflüssigkeit verbundene Bohrung 16 liegt oben. In der unten liegenden Stirnfläche ist ein kegel- und kreisförmiger Ventilsitz 7 vorgesehen, der einen Ventilkörper 3 in Form einer Kugel aufnimmt. Unmittelbar vor dem Ventilsitz befindet sich in Strömungsrichtung ein Dralleinsatz 2.The spray nozzle shown in the drawing consists of a Base body 1, which is installed as it is in the Drawing is shown, i.e. the one with the container for the Extinguishing liquid connected bore 16 is at the top. In the the end face lying below is a conical and circular Valve seat 7 is provided, the valve body 3 in the form picks up a bullet. Immediately in front of the valve seat a swirl insert 2 in the direction of flow.

Der Ventilkörper 3 wird durch einen Halter 5 gehalten, der aus Federstahl so geformt ist, wie er sich aus der Zeichnung ergibt. Er weist zwei Hebelarme 13 und 14 auf. Der eine Hebelarm 14 ist bei 15 in den Düsenkörper eingehakt. Er hält den Ventilkörper 3 auf dem Sitz. Der andere Hebelarm 13 ist gegenüber dem Hebelarm 14 federnd und steht seitlich über. Er weist eine Öffnung 11 zur Aufnahme des thermischen Auslöseelementes auf.The valve body 3 is held by a holder 5 which made of spring steel as it is from the drawing results. It has two lever arms 13 and 14. The one lever arm 14 is hooked into the nozzle body at 15. It stops the valve body 3 on the seat. The other lever arm 13 resilient with respect to the lever arm 14 and protrudes laterally. It has an opening 11 for receiving the thermal release element on.

Das andere Ende des thermischen Auslöseelementes liegt in einer Öffnung 12 in einem Lagerhebel 4, der ebenfalls ein Stanzteil ist und in einer Nut 9 in dem Grundkörper 1 befestigt ist. Der Lagerhebel 4 weist zwei Blenden 10 zum Schutz der Spitze des thermischen Auslöseelementes 6, das in diesem Falle ein Glasfäßchen ist, auf.The other end of the thermal release element is in an opening 12 in a bearing lever 4, which is also a Stamped part is and fastened in a groove 9 in the base body 1 is. The bearing lever 4 has two screens 10 for protection the tip of the thermal release element 6, which in this Trap is a glass vial, on.

In der Stirnfläche des Grundkörpers 1, die an den Ventilsitz 7 angrenzt, ist ein Einschnitt 8 vorgesehen, der der Lagerung und Führung des Hebelarmes 14 in dieser Ebene dient. Senkrecht zur Zeichenebene wird der Hebelarm 14 und damit der Halter 5 durch diesen Einschnitt an einer Verschiebung gehindert. Quer zur Zeichenebene wird eine entsprechende Bewegung durch das Einhaken bei 15 verhindert.In the end face of the base body 1, which is attached to the valve seat 7 adjacent, an incision 8 is provided, the Storage and guidance of the lever arm 14 in this plane serves. The lever arm 14 and so that the holder 5 through this incision at a displacement prevented. A corresponding one is made across the drawing level Movement prevented by hooking at 15.

Im Brandfall, d.h. wenn das thermische Auslöseelement 6 zerstört wird, wird der Halter 5 in die in Fig. 4 gezeigte Stellung bewegt. Diese Bewegung wird durch die Federspannung, d.h. durch die Vorspannung des Hebelarmes 13 unterstützt. Der Halter 5 fällt dann zusammen mit dem Ventilkörper 3 nach unten, so wie es in Fig. 5 dargestellt ist. Die Löschflüssigkeit kann ungehindert austreten. Der Lagerhebel 4 verbleibt an seinem Platz an dem Düsenkörper 1, da er durch die Lagerung in der Nut 9 gehalten wird.In the event of a fire, i.e. when the thermal release element 6 is destroyed the holder 5 becomes that shown in FIG Position moved. This movement is due to the spring tension, i.e. supported by the bias of the lever arm 13. The holder 5 then coincides with the valve body 3 downward, as shown in Fig. 5. The Extinguishing liquid can escape freely. The bearing lever 4 remains in place on the nozzle body 1 because it is held by the bearing in the groove 9.

Es ist ohne weiteres erkennbar, daß das thermische Auslöseelement 6 mit seiner Längsachse im wesentlichen parallel zu der Längsachse des Grundkörpers 1, aber neben diesem liegt. Hierdurch entsteht eine geringe Bauhöhe, und die einzelnen Bauteile sind einfach aufgebaut und kostengünstig herstellbar. Durch die seitliche, d.h. asymmetrische Lagerung wird zusammen mit der Federwirkung des Halters, d.h. der Vorspannung, sichergestellt, daß die Teile, die bei Auslösen eines Brandfalles nicht mehr vorhanden sein dürfen, sicher entfernt werden.It is readily apparent that the thermal release element 6 with its longitudinal axis substantially parallel to the longitudinal axis of the base body 1, but lies next to this. This creates a low overall height, and the individual Components are simple and inexpensive to manufacture. Through the side, i.e. asymmetrical storage together with the spring action of the holder, i.e. the preload, ensures that the parts that are triggered when a In the event of a fire, must be safely removed become.

Claims (5)

  1. Spraying nozzle for fire extinguishers with a nozzle body (1) at whose nozzle opening is constructed a valve (7) for a valve body (3), which is held in the closed position by a holder (5) secured by a thermal trip element (6), the holder hooked into the nozzle body having a lever arm (13) projecting to one side and at the nozzle body a bearing lever (4) faces the projecting lever arm in such a way that the thermal trip element (6) is located between the projecting lever arm and the bearing lever laterally alongside the nozzle body, characterized in that the laterally projecting lever arm (13) is resiliently constructed for supporting the thermal trip element under initial tension.
  2. Spraying nozzle according to claim 1, characterized in that over the valve seat (7) and indentation (8) is provided in the end face of the nozzle body (1) for receiving the lever arm (14) of the holder (5) holding the valve body (3).
  3. Spraying nozzle according to claim 1 or 2, characterized in that a groove (9) for receiving the bearing lever (4) is provided in the nozzle body (1).
  4. Spraying nozzle according to one or more of the preceding claims, characterized in that the valve body (3) is constructed as a ball.
  5. Spraying nozzle according to one or more of the preceding claims, characterized in that the valve body (3) is constructed as a ball without sealing material and the valve seat (7) in conical and circular manner.
EP98106421A 1998-04-08 1998-04-08 Spray nozzle for fire fighting equipment Expired - Lifetime EP0948973B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE59808531T DE59808531D1 (en) 1998-04-08 1998-04-08 Spray nozzle for fire extinguishers
EP98106421A EP0948973B1 (en) 1998-04-08 1998-04-08 Spray nozzle for fire fighting equipment
US09/273,628 US6112820A (en) 1998-04-08 1999-03-23 Spray nozzle for fire extinguishing devices
CN99105898A CN1106204C (en) 1998-04-08 1999-04-08 Spray nozzle for fire extinguishing devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98106421A EP0948973B1 (en) 1998-04-08 1998-04-08 Spray nozzle for fire fighting equipment

Publications (2)

Publication Number Publication Date
EP0948973A1 EP0948973A1 (en) 1999-10-13
EP0948973B1 true EP0948973B1 (en) 2003-05-28

Family

ID=8231740

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98106421A Expired - Lifetime EP0948973B1 (en) 1998-04-08 1998-04-08 Spray nozzle for fire fighting equipment

Country Status (4)

Country Link
US (1) US6112820A (en)
EP (1) EP0948973B1 (en)
CN (1) CN1106204C (en)
DE (1) DE59808531D1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2159649C1 (en) * 2000-03-28 2000-11-27 Общество с ограниченной ответственностью "ЮНИПАТ" Sprinkler (versions)
DE102004039889A1 (en) * 2004-08-17 2006-07-06 Reuss, Simone Low pressure sprinkler, to deliver a fine firefighting mist, is installed separately or in groups triggered by a thermal release
EP2069026B1 (en) * 2006-09-19 2013-01-23 Hypro, LLC Spray head with covers
DE202010013607U1 (en) * 2010-09-27 2011-12-28 Job Lizenz Gmbh & Co. Kg Thermal release element for a thermally controlled switching element
WO2016049218A1 (en) 2014-09-23 2016-03-31 The Reliable Automatic Sprinkler Co., Inc. Fire prevention sprinkler with wrench boss detent and clip, and method of manufacturing same
CN104868531B (en) * 2015-05-06 2017-08-11 安徽新盾消防设备有限公司 A kind of electric automobile charging pile automatically controlled with fire extinguishing
US9539451B1 (en) 2016-05-06 2017-01-10 Bulb Link, LLC Heat-sensitive trigger for a fire sprinkler valve
EP3607999A1 (en) * 2018-08-09 2020-02-12 Peter Kammer Closure for sprinklers and nozzles having heat tripping device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB346984A (en) * 1930-04-07 1931-04-23 Mather & Platt Ltd Improvements in fire extinguisher or sprinkler heads
US2375832A (en) * 1943-06-09 1945-05-15 Tyden Emil Sprinkler head
GB1359857A (en) * 1971-05-24 1974-07-10 Hall Co Ltd Matthew Fire extinguishing media release device for automatic sprinkler installations
US3831682A (en) * 1973-01-19 1974-08-27 Rockwell Mfg Co Fire extinguishing system nozzle
US3812915A (en) * 1973-06-04 1974-05-28 Factory Mutual Res Corp Discharge head having constant force plug retaining member
CH597921A5 (en) * 1976-01-30 1978-04-14 Jomos Sprinkler Material Ag
DE3530497C1 (en) * 1985-08-27 1986-12-18 R. & G. Schmöle Metallwerke GmbH & Co KG, 5750 Menden Trigger fitting

Also Published As

Publication number Publication date
US6112820A (en) 2000-09-05
CN1232709A (en) 1999-10-27
EP0948973A1 (en) 1999-10-13
DE59808531D1 (en) 2003-07-03
CN1106204C (en) 2003-04-23

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