EP2330335A1 - Safety device for pressurised bottles - Google Patents

Safety device for pressurised bottles Download PDF

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Publication number
EP2330335A1
EP2330335A1 EP10191002A EP10191002A EP2330335A1 EP 2330335 A1 EP2330335 A1 EP 2330335A1 EP 10191002 A EP10191002 A EP 10191002A EP 10191002 A EP10191002 A EP 10191002A EP 2330335 A1 EP2330335 A1 EP 2330335A1
Authority
EP
European Patent Office
Prior art keywords
safety device
state
handwheel
bearing
fastening part
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.)
Granted
Application number
EP10191002A
Other languages
German (de)
French (fr)
Other versions
EP2330335B1 (en
Inventor
Udo Kann
Harald Kölsch
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.)
Vetter GmbH
Original Assignee
Vetter GmbH
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Filing date
Publication date
Application filed by Vetter GmbH filed Critical Vetter GmbH
Priority to PL10191002T priority Critical patent/PL2330335T3/en
Publication of EP2330335A1 publication Critical patent/EP2330335A1/en
Application granted granted Critical
Publication of EP2330335B1 publication Critical patent/EP2330335B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/002—Details of vessels or of the filling or discharging of vessels for vessels under pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/058—Size portable (<30 l)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0636—Metals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0308—Protective caps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0323—Valves
    • F17C2205/0329—Valves manually actuated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/22—Assembling processes
    • F17C2209/227—Assembling processes by adhesive means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/22—Assembling processes
    • F17C2209/228—Assembling processes by screws, bolts or rivets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/031—Air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0107—Single phase
    • F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/036—Very high pressure (>80 bar)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/01—Improving mechanical properties or manufacturing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/04—Reducing risks and environmental impact
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/07—Applications for household use
    • F17C2270/0772—Inflation devices, e.g. for rescue vests or tyres

Definitions

  • the present invention relates to a safety device for handwheels on gas cylinders and in particular to compressed air cylinders for jump cushions.
  • Jump pad such as off EP 0 317 904 B1 known to be used as rescue equipment by the fire brigade to rescue people from burning buildings or to protect people at risk of falling.
  • a single jump pad consists of an inflatable tube scaffold, which is covered by tarpaulins and inflated by a connected compressed air cylinder in seconds. While the upper horizontal tarpaulin serves as a jumping-off area, the side tarpaulins, which have multiple openings, prevent the air from escaping too quickly inside the jump-pad.
  • the public fire brigades in Germany mainly use jump cushions with dimensions of 3.5m by 3.5m by 1.7m, which allow jumps of up to 16m.
  • the jump cushions are normally filled by a 300 bar filling pressure, 6 liters compressed air cylinder.
  • Jump posters are folded when not needed, permanently connected to the compressed air cylinder, stored in the fire truck fire engines. Therefore, it is imperative that the valve of the bottle does not open accidentally and thereby unfolds the jump pad in the fire truck, which on the one hand to a blockage and on the other hand damage to the vehicle, other stored in the vehicle devices and above all to a considerable risk to persons in near the jump pad. To avoid this, it is advisable to protect the valves and handwheel with safety devices. However, it has happened in the past that, despite the existing safety device jump cushions unfolded inside the fire truck and thereby caused considerable damage.
  • Conventional safety devices for gas cylinders are usually protective caps, which enclose the valve, including the handwheel, with their cavities and are connected to the bottles by means of twist-type or snap-in closures.
  • these protective caps are unsuitable for use on jump cushions, as when using the jump pad, first remove the protective cap and then the connection hose between the compressed air cylinder and jump pad must be mounted on the valve, which means too much time in an emergency would. Therefore, protection caps are used for attaching jump cushions currently having recesses for the connecting hose between the compressed air cylinder and jump pad.
  • These plastic molded caps are only frictionally slipped over the handwheel and valve.
  • this protective cap is not rotationally fixed about the vertical axis of the bottle, which is usually identical to or at least parallel to the axis of rotation of the handwheel is attached. As a result, it has happened in the past that the protective cap has been rotated by impacts and elastically deformed so that it came into contact with the handwheel. These contacts caused inadvertent opening of the valve in several cases, inflating the jump pad inside the fire truck.
  • the invention has set itself the task of developing a safety device for gas cylinders, and preferably for compressed air bottles for jump pad to the effect and to improve that on the one hand a permanent mounting of the connecting tube and a speedy use of the jump pad can be guaranteed On the other hand, however, unintentional opening of the valve in the packaged state can be excluded.
  • a safety device for compressed air cylinders which have a valve with a handwheel, which safety device has a releasably secured to the compressed air cylinder fastening part which is connected via a non-detachable pivotal connection with an upper part, which via a pivoting movement at least a first state and a second state, wherein the upper part in the by a Locking device locked the first state, the handwheel engages over and does not hinder operation of this handwheel in the second state.
  • the safety device has a fastening part which serves to fasten the safety device to the bottle.
  • the attachment is designed to prevent relative rotation between the bottle and the safety device.
  • the upper part which is connected by means of a pivoting connection with the fastening part, is dimensioned such that in the first state, in which it engages over the handwheel, sufficient handwheel variants provide sufficient cover, thereby preventing unintentional opening of the valve due to external influences.
  • This first state is locked via a locking device which can be actively and rapidly removed by an operator before the top can be pivoted to a second state. In this second state, the handwheel is not overlapped by the upper part, so that operation of the handwheel is possible.
  • the pivotal connection is realized by means of two opposite with respect to a bottle axis storage facilities, each consisting of a bearing part with a head and a bolt, a bearing opening in the upper part and a bolt bearing in the fastening part, wherein the bolts pushed against each other on a common pivot axis through the respective bearing opening and undetachably connected to the respective pin bearing.
  • This non-detachable connection prevents the bolt, for example, by vibrations, from the pin bearing and thereby the upper part of the fastening part triggers, whereby a protection of the handwheel would no longer be guaranteed.
  • the upper part does not touch the handwheel, which prevents the handwheel from being opened unintentionally by small deformations and torsions of the upper part.
  • the fastening part consists of at least two parts which are assembled on a bottle neck and frictionally enclose this bottleneck.
  • the locking device has a plug connection, consisting of a passage in the fastening part, a bore in the upper part, which in the first state, a common locking axis having the passage, and a fixing device which is captively connected to the upper part or the fastening part.
  • edges and / or the narrow sides of the upper part, the fastening part and / or the locking device are defused and / or the upper part on at least one narrow side of an edge protection, for example made of rubber, whereby injury to the operator and damage to the jump pad can be prevented.
  • the attachment part has an adapter adapted to the diameter of the neck of the bottle, which allows the safety device to be used on different types of compressed air bottles having different neck diameters.
  • the upper part is in one piece and has a second bore with the same position to bearing opening 36b, as the bore 44 to bearing opening 36a.
  • the upper part 28 is achieved for example by a preceding Bechzuintroductory stainless steel, followed by the provided holes or punches and a U-shaped deformation of the cut sheet metal.
  • a shell prevents possible incorrect assembly.
  • the fixing device has a ball lock pin, which allows a speedy unlocking of the locking device.
  • FIG. 1 shows a compressed air cylinder 20 having a valve 22 with a hand wheel 24, which is protected by a safety device against accidental operation.
  • This safety device consists mainly of a fastening part 26, a top 28 and a locking device 30.
  • the upper part 28 engages over the handwheel 24, whereby an unintentional rotation of the handwheel is prevented.
  • the fastening part 26 is frictionally mounted to the bottle neck 21 of the compressed air cylinder 20 such that a rotational movement about a bottle axis 32 is excluded.
  • a locking device 30 prevents the upper part 28 from pivoting from the first state to a second state.
  • FIG. 2 shows the compressed air cylinder 20 with safety device, wherein the upper part 28 is now in a second state, which does not hinder operation of the handwheel 24.
  • the second state is achieved by unlocking the locking device 30 with subsequent pivotal movement of the upper part 28.
  • the necessary pivotal connection consists of two lying on a pivot axis 34 storage facilities, which are opposite to each other with respect to the bottle axis 32.
  • These bearing devices each have a bearing part not shown in the figures, a bearing opening 36a and 36b in the upper part 28 and a pin bearing 38a and 38b in the fastening part 26. The bearing part is pushed through the bearing opening 36a, 36b and inextricably connected to the respective pin bearing 38a, 38b.
  • the pin bearing 38a, 38b has a thread and the bearing part is realized by an associated screw.
  • a non-detachable connection between the pin bearing 38a, 38b and screw can be done for example by an additional adhesive bond.
  • the locking device 30 can preferably be realized in the form of a plug connection. This has a passage 40 in a nose 42 in the fastening part 26, a bore 44 in the upper part and a fixing part 46, preferably consisting of a locking pin 48 and an operating device 50, on.
  • the locking pin 48 is inserted in the first, locked state through the bore 44 and the passage 40 and connects them in a form-fitting manner by a locking device 52, for example, ball locks in a ball lock pin.
  • the operating device 50 serves as a point of attack for the operator and thereby allows a rapid removal of the fixing part 46 in order to change to the second, unlocked state. This second state does not hinder a desired operation of the hand wheel 24, whereby a rapid deployment of the jump pad is ensured.
  • a connecting part 54 preferably a cable or a chain.
  • FIG. 3 shows a perspective view of a possible realization of the fixing part 46 in the form of a ball locking pin and a perspective view of the upper part 28, which is preferably formed from one piece.
  • This top 28 shows no sharp corners, edges and narrow sides that could damage the jump pad.
  • the upper part 28 on at least two sections, or over the entire length of its outer narrow side an edge protection 56, which preferably consists of rubber.
  • the upper part 28 on both sides of the bore 44. This creates an axis of symmetry at the uppermost point of the upper part.
  • Such a symmetrical upper part has the advantage that a faulty mounting of the safety device is precluded, in particular when the upper part has a second axis of symmetry which extends orthogonally to the first axis of symmetry through the centers of the bores 44 and the bearing opening 36a, 36b.
  • FIG. 4 shows a perspective view of a possible attachment part 26.
  • this consists of two parts 58 and 60, which are frictionally flanged over two screw 62a and 62b around the bottleneck.
  • the nose 42 is integrated vertically, which includes the passage 40 for the fixing part 46.
  • the fixing member 46 is a ball lock pin which is widely used for quick fixing, joining and securing of parts or workpieces is used.
  • By pressing the spring-loaded bolt 48 at least two balls 52 are released and locked again when released.
  • the fastening part 26 shown are the rounded corners, which reduce the risk of damage to the jump pad in the packaged state.
  • the fastening part can be designed so that the safety device can be mounted on compressed air cylinders with different bottleneck diameters by simple adaptation by means of adapters.
  • the vertical nose of the locking device could also be designed horizontally.
  • clamping and / or plug connections could be used.
  • a fastening part which is dimensioned as an attachment element for the valve thread, so that it is after assembly between the bottle body 23 and cylinder valve 22.
  • the individual parts 58 and 60 of the fastening part 26 are designed to be identical, whereby the fabrication of the parts is substantially facilitated. Furthermore, it is likely that this can reduce manufacturing costs.
  • the part 60 would also have a nose like part 58.
  • Alternative locking devices could include, for example, terminals, spring plugs, and / or bolts with spring plugs.

Abstract

The device has a fastening part (26) that is detachably fastened to a gas cylinder (20). The fastening part is connected with an upper part (28) via a non-detachable pivoting connection. The upper part is movable between a locked condition and an unlocked condition by a pivoting movement. The upper part overlaps a handwheel (24) in a valve (22) in the gas cylinder, in the locked condition, where the upper part is locked by a locking device (30) in the locked condition. The operation of handwheel is inhibited, in the unlocked condition of the upper part.

Description

Die vorliegende Erfindung betrifft eine Sicherheitsvorrichtung für Handräder an Gasflaschen und insbesondere an Druckluftflaschen für Sprungpolster.The present invention relates to a safety device for handwheels on gas cylinders and in particular to compressed air cylinders for jump cushions.

Sprungpolster, wie beispielsweise aus EP 0 317 904 B1 bekannt, werden als Sprungrettungsgeräte von der Feuerwehr zum Retten von Menschen aus brennenden Gebäuden oder zur Sicherung von absturzgefährdeten Personen verwendet. Ein einzelnes Sprungpolster besteht aus einem aufblasbaren Schlauchgerüst, welches von Planen ummantelt ist und von einer angeschlossenen Druckluftflasche in Sekunden aufgeblasen wird. Während die obere horizontale Plane als Auffangfläche für springende Personen dient, verhindern die seitlichen Planen, welche mehrere Öffnungen aufweisen, dass die Luft im Inneren des Sprungpolsters zu schnell entweicht. Die öffentlichen Feuerwehren in Deutschland benutzen hauptsächlich Sprungpolster mit den Dimensionen 3,5m mal 3,5m mal 1,7m, welche Sprünge aus bis zu 16m erlauben. Die Sprungpolster werden normalerweise von einer 300 bar Fülldruck, 6 Liter Druckluftflasche gefüllt. Sprungposter werden bei Nichtbedarf zusammengefaltet, dauerhaft mit der Druckluftflasche verbunden, in den Löschfahrzeugen der Feuerwehr gelagert. Daher ist es zwingend notwendig, dass sich das Ventil der Flasche nicht versehentlich öffnet und dadurch das Sprungpolster im Löschfahrzeug entfaltet, was einerseits zu einer Blockade und andererseits zu Beschädigungen des Fahrzeugs, anderer im Fahrzeug gelagerten Geräten und vor allem zu einem erheblichen Risiko für Personen in der Nähe des Sprungpolsters führen kann. Um dies zu vermeiden, bietet es sich an, die Ventile samt Handrad durch Sicherheitsvorrichtungen zu schützen. Jedoch ist es in der Vergangenheit vorgekommen, dass sich trotz vorhandener Sicherheitsvorrichtung Sprungpolster im Inneren des Löschfahrzeuges entfalteten und dadurch erheblichen Schäden anrichteten.Jump pad, such as off EP 0 317 904 B1 known to be used as rescue equipment by the fire brigade to rescue people from burning buildings or to protect people at risk of falling. A single jump pad consists of an inflatable tube scaffold, which is covered by tarpaulins and inflated by a connected compressed air cylinder in seconds. While the upper horizontal tarpaulin serves as a jumping-off area, the side tarpaulins, which have multiple openings, prevent the air from escaping too quickly inside the jump-pad. The public fire brigades in Germany mainly use jump cushions with dimensions of 3.5m by 3.5m by 1.7m, which allow jumps of up to 16m. The jump cushions are normally filled by a 300 bar filling pressure, 6 liters compressed air cylinder. Jump posters are folded when not needed, permanently connected to the compressed air cylinder, stored in the fire truck fire engines. Therefore, it is imperative that the valve of the bottle does not open accidentally and thereby unfolds the jump pad in the fire truck, which on the one hand to a blockage and on the other hand damage to the vehicle, other stored in the vehicle devices and above all to a considerable risk to persons in near the jump pad. To avoid this, it is advisable to protect the valves and handwheel with safety devices. However, it has happened in the past that, despite the existing safety device jump cushions unfolded inside the fire truck and thereby caused considerable damage.

Klassische Sicherheitsvorrichtungen für Gasflaschen sind in der Regel Schutzkappen, die mit ihren Hohlräumen das Ventil, einschließlich des Handrads, umschließen und durch Dreh- oder Steckverschlüsse mit den Flaschen verbunden sind. Diese Schutzkappen sind für den Gebrauch an Sprungpolstern jedoch ungeeignet, da bei Einsatz des Sprungpolsters, zuerst die Schutzkappe entfernt und anschließend der Verbindungsschlauch zwischen Druckluftflasche und Sprungpolster am Ventil montiert werden muss, was einen zu hohen Zeitaufwand im Notfall bedeuten würde. Daher werden für Sprungpolster aktuell Schutzkappen zum Aufstecken verwendet, welche Aussparungen für den Verbindungsschlauch zwischen Druckluftflasche und Sprungpolster aufweisen. Diese aus Plastik geformten Kappen werden lediglich reibschlüssig über das Handrad und Ventil gestülpt. Der Nachteil dieser Schutzkappe besteht darin, dass sie nicht drehfest um die vertikale Flaschenachse, die in der Regel identisch mit oder zu mindestens parallel zur Drehachse des Handrads ist, befestigt ist. Dadurch ist es in der Vergangenheit vorgekommen, dass sich die Schutzkappe durch Stöße gedreht und elastisch so deformiert hat, dass es zu Berührungen mit dem Handrad kam. Diese Berührungen verursachten in mehreren Fällen ein unbeabsichtigtes Öffnen des Ventils, wodurch das Sprungpolster im Inneren des Löschfahrzeugs aufgeblasen wurde.Conventional safety devices for gas cylinders are usually protective caps, which enclose the valve, including the handwheel, with their cavities and are connected to the bottles by means of twist-type or snap-in closures. However, these protective caps are unsuitable for use on jump cushions, as when using the jump pad, first remove the protective cap and then the connection hose between the compressed air cylinder and jump pad must be mounted on the valve, which means too much time in an emergency would. Therefore, protection caps are used for attaching jump cushions currently having recesses for the connecting hose between the compressed air cylinder and jump pad. These plastic molded caps are only frictionally slipped over the handwheel and valve. The disadvantage of this protective cap is that it is not rotationally fixed about the vertical axis of the bottle, which is usually identical to or at least parallel to the axis of rotation of the handwheel is attached. As a result, it has happened in the past that the protective cap has been rotated by impacts and elastically deformed so that it came into contact with the handwheel. These contacts caused inadvertent opening of the valve in several cases, inflating the jump pad inside the fire truck.

Andere aus dem Stand der Technik bekannte Schutzkappen schützen in erster Linie die Ventile gegen mögliche Verformungen und dadurch resultierende Gasaustritte. Solche Schutzkappen sind beispielsweise aus EP 0629812 B1 , DE 10057424 B4 , DE 10308676 B4 , DE 19648440 C1 und DE 10057471 C2 bekannt. Diese Schutzkappen schützen die Ventile, erlauben eine dauerhafte Montage des Verbindungsschlauchs, beabsichtigen aber auch dauerhaft eine leichte Zugänglichkeit des Handrads, was bei der Anwendung für Sprungpolster nicht gewünscht ist, da so eine unbeabsichtigte Betätigung des Handrades nicht ausgeschlossen werden kann.Other known from the prior art protective caps protect primarily the valves against possible deformations and resulting gas leaks. Such caps are for example off EP 0629812 B1 . DE 10057424 B4 . DE 10308676 B4 . DE 19648440 C1 and DE 10057471 C2 known. These caps protect the valves, allow a permanent mounting of the connecting hose, but also intend permanently easy accessibility of the handwheel, which is not desirable in the application for jump cushions, as such an unintentional operation of the handwheel can not be excluded.

Hier setzt nun die Erfindung ein, sie hat es sich zur Aufgabe gemacht, eine Sicherheitsvorrichtung für Gasflaschen, und vorzugsweise für Druckluftflaschen für Sprungpolster dahingehend weiterzuentwickeln und zu verbessern, dass zwar einerseits eine dauerhafte Montage des Verbindungsschlauch bestehen und eine zügige Verwendung des Sprungpolsters gewährleistet werden kann, andererseits aber ein unbeabsichtigtes Öffnen des Ventils im verpackten Zustand ausgeschlossen werden kann.Here is where the invention, it has set itself the task of developing a safety device for gas cylinders, and preferably for compressed air bottles for jump pad to the effect and to improve that on the one hand a permanent mounting of the connecting tube and a speedy use of the jump pad can be guaranteed On the other hand, however, unintentional opening of the valve in the packaged state can be excluded.

Die Aufgabe wird durch eine Sicherheitsvorrichtung für Druckluftflaschen gelöst, welche ein Ventil mit einem Handrad aufweisen, welche Sicherheitsvorrichtung ein lösbar, an der Druckluftflasche befestigtes Befestigungsteil aufweist, das über eine unlösbare Schwenkverbindung mit einem Oberteil verbunden ist, welches über eine schwenkende Bewegung mindestens einen ersten Zustand und einen zweiten Zustand einnehmen kann, wobei das Oberteil in dem durch eine Arretiervorrichtung verriegelten ersten Zustand das Handrad übergreift und in dem zweiten Zustand eine Bedienung dieses Handrads nicht behindert.The object is achieved by a safety device for compressed air cylinders, which have a valve with a handwheel, which safety device has a releasably secured to the compressed air cylinder fastening part which is connected via a non-detachable pivotal connection with an upper part, which via a pivoting movement at least a first state and a second state, wherein the upper part in the by a Locking device locked the first state, the handwheel engages over and does not hinder operation of this handwheel in the second state.

Erfindungsgemäß hat die Sicherheitsvorrichtung ein Befestigungsteil, welches dazu dient, die Sicherheitsvorrichtung an der Flasche zu befestigen. Die Befestigung ist so ausgelegt, das ein relatives Verdrehen zwischen Flasche und Sicherheitsvorrichtung verhindert wird. Das Oberteil, das mittels einer Schwenkverbindung mit dem Befestigungsteil verbunden ist, ist so dimensioniert, dass es im ersten Zustand, in dem es das Handrad übergreift, verschiedenen Handradvarianten ausreichend Abdeckung bietet und dadurch ein unbeabsichtigtes Öffnen des Ventils durch externe Einflüsse verhindert. Dieser erste Zustand wird über eine Arretiervorrichtung verriegelt, welche aktiv und zügig von einem Bediener entfernt werden kann, bevor man das Oberteil in einen zweiten Zustand schwenken kann. In diesem zweiten Zustand wird das Handrad nicht von dem Oberteil übergriffen, so dass eine Bedienung des Handrads möglich ist.According to the invention, the safety device has a fastening part which serves to fasten the safety device to the bottle. The attachment is designed to prevent relative rotation between the bottle and the safety device. The upper part, which is connected by means of a pivoting connection with the fastening part, is dimensioned such that in the first state, in which it engages over the handwheel, sufficient handwheel variants provide sufficient cover, thereby preventing unintentional opening of the valve due to external influences. This first state is locked via a locking device which can be actively and rapidly removed by an operator before the top can be pivoted to a second state. In this second state, the handwheel is not overlapped by the upper part, so that operation of the handwheel is possible.

Vorzugsweise ist die Schwenkverbindung mittels zweier bezüglich einer Flaschenachse gegenüberliegenden Lagereinrichtungen realisiert, jeweils bestehend aus einem Lagerteil mit einem Kopf und einem Bolzen, einer Lageröffnung im Oberteil und einem Bolzenlager im Befestigungsteil, wobei die Bolzen zueinander entgegengerichtet auf einer gemeinsamen Schwenkachse durch die jeweilige Lageröffnung geschoben und unlösbar mit dem jeweiligen Bolzenlager verbunden sind. Diese unlösbare Verbindung verhindert, dass sich der Bolzen, beispielsweise durch Vibrationen, aus dem Bolzenlager und dadurch das Oberteil vom Befestigungsteil löst, wodurch ein Schutz des Handrads nicht länger gewährleistet wäre. Vorzugsweise berührt das Oberteil das Handrad nicht, was verhindert, dass durch kleine Verformungen und Torsionen des Oberteils das Handrad unbeabsichtigt geöffnet wird.Preferably, the pivotal connection is realized by means of two opposite with respect to a bottle axis storage facilities, each consisting of a bearing part with a head and a bolt, a bearing opening in the upper part and a bolt bearing in the fastening part, wherein the bolts pushed against each other on a common pivot axis through the respective bearing opening and undetachably connected to the respective pin bearing. This non-detachable connection prevents the bolt, for example, by vibrations, from the pin bearing and thereby the upper part of the fastening part triggers, whereby a protection of the handwheel would no longer be guaranteed. Preferably, the upper part does not touch the handwheel, which prevents the handwheel from being opened unintentionally by small deformations and torsions of the upper part.

Vorzugsweise besteht das Befestigungsteil aus mindestens zwei Teilen, die an einem Flaschenhals zusammengesetzt werden und diesen Flaschenhals reibschlüssig umschließen. Diese Anordnung ermöglicht eine einfache Montage und verhindert eine relative Drehbewegung zwischen Druckluftflasche und Sicherheitsvorrichtung. Vorzugsweise weist die Arretiervorrichtung eine Steckverbindung auf, bestehend aus einem Durchlass in dem Befestigungsteil, einer Bohrung in dem Oberteil, welche in dem ersten Zustand eine gemeinsame Arretierachse mit dem Durchlass aufweist, und einer Fixiereinrichtung, die unverlierbar mit dem Oberteil oder dem Befestigungsteil verbunden ist. Vorzugsweise sind Kanten und/oder die Schmalseiten des Oberteils, des Befestigungsteils und/oder der Arretiervorrichtung entschärft und/oder weist das Oberteil an mindestens einer Schmalseite einen beispielsweise aus Gummi hergestellten Kantenschutz auf, wodurch Verletzungen des Bedienungspersonals und Beschädigungen am Sprungpolster verhindert werden können. Gegebenenfalls weist das Befestigungsteil einen dem Durchmesser des Flaschenhalses angepassten Adapter auf, welcher ermöglicht, dass die Sicherheitsvorrichtung an unterschiedlichen Druckluftflaschen mit verschiedenen Flaschenhalsdurchmessern verwendet werden kann. Vorzugsweise ist das Oberteil aus einem Stück und weist eine zweite Bohrung auf mit gleicher Lage zu Lageröffnung 36b, wie die Bohrung 44 zu Lageröffnung 36a. Eine vorteilhafte Konstruktion des Oberteils 28 erreicht man beispielsweise durch einen vorangehenden Bechzuschnitt aus Edelstahl, gefolgt von den vorgesehenen Bohrungen bzw. Stanzungen und einer U-förmigen Verformung des ausgeschnittenen Blechs. Ein solches Oberteil verhindert eine mögliche fehlerhafte Montage. Vorzugsweise weist die Fixiereinrichtung einen Kugelsperrbolzen auf, welcher ein zügiges Entriegeln der Arretiervorrichtung ermöglicht.Preferably, the fastening part consists of at least two parts which are assembled on a bottle neck and frictionally enclose this bottleneck. This arrangement allows for easy installation and prevents relative rotational movement between the compressed air cylinder and safety device. Preferably, the locking device has a plug connection, consisting of a passage in the fastening part, a bore in the upper part, which in the first state, a common locking axis having the passage, and a fixing device which is captively connected to the upper part or the fastening part. Preferably, edges and / or the narrow sides of the upper part, the fastening part and / or the locking device are defused and / or the upper part on at least one narrow side of an edge protection, for example made of rubber, whereby injury to the operator and damage to the jump pad can be prevented. Optionally, the attachment part has an adapter adapted to the diameter of the neck of the bottle, which allows the safety device to be used on different types of compressed air bottles having different neck diameters. Preferably, the upper part is in one piece and has a second bore with the same position to bearing opening 36b, as the bore 44 to bearing opening 36a. An advantageous construction of the upper part 28 is achieved for example by a preceding Bechzuschnitt stainless steel, followed by the provided holes or punches and a U-shaped deformation of the cut sheet metal. Such a shell prevents possible incorrect assembly. Preferably, the fixing device has a ball lock pin, which allows a speedy unlocking of the locking device.

Weitere Vorteile und Merkmale der Erfindung ergeben sich aus den übrigen Ansprüchen sowie der nun folgenden Beschreibung von einem nicht einschränkend zu verstehenden Ausführungsbeispiel der Erfindung, das im Folgenden unter Bezugnahme auf die Zeichnung näher erläutert wird. Es zeigen:

Fig. 1:
eine perspektivische Darstellung einer Druckluftflasche mit montierter Sicherheitsvorrichtung, die sich in einem ersten, verriegelten Zustand befindet,
Fig. 2:
eine perspektivische Darstellung einer Druckluftflasche mit montierter Sicherheitsvorrichtung, die sich in einem zweiten, entriegelten Zustand befindet,
Fig. 3:
eine perspektivische Darstellung eines Oberteils der Sicherheitsvorrichtung und einer Fixiereinrichtung, und
Fig. 4:
eine perspektivische Darstellung eines Befestigungsteils der Sicherheitsvorrichtung.
Further advantages and features of the invention will become apparent from the other claims and the following description of a non-limiting embodiment of the invention, which is explained in more detail below with reference to the drawings. Show it:
Fig. 1:
3 is a perspective view of a compressed air cylinder with safety device mounted, which is in a first, locked state,
Fig. 2:
a perspective view of a compressed air cylinder with safety device mounted, which is in a second, unlocked state,
3:
a perspective view of an upper part of the safety device and a fixing device, and
4:
a perspective view of a fixing part of the safety device.

Alle für die Erfindung nicht wesentlichen Bestandteile der Vorrichtung gemäß der vorliegenden Erfindung wurden der Einfachheit halber in den Zeichnungen nicht dargestellt.All components of the device according to the present invention which are not essential to the invention have not been shown in the drawings for the sake of simplicity.

Figur 1 zeigt eine Druckluftflasche 20, die ein Ventil 22 mit einem Handrad 24 aufweist, welches durch eine Sicherheitsvorrichtung vor einer unbeabsichtigten Betätigung geschützt ist. Diese Sicherheitsvorrichtung besteht hauptsächlich aus einem Befestigungsteil 26, einem Oberteil 28 und einer Arretiervorrichtung 30. In dem in Figur 1 dargestellten ersten Zustand übergreift das Oberteil 28 das Handrad 24, wodurch ein unbeabsichtigtes Drehen des Handrades verhindert wird. Ferner ist das Befestigungsteil 26 an dem Flaschenhals 21 der Druckluftflasche 20 derart reibschlüssig montiert, dass eine rotatorische Bewegung um eine Flaschenachse 32 ausgeschlossen wird. Eine Arretiervorrichtung 30 verhindert, dass sich das Oberteil 28 aus dem ersten Zustand in einen zweiten Zustand schwenken kann. FIG. 1 shows a compressed air cylinder 20 having a valve 22 with a hand wheel 24, which is protected by a safety device against accidental operation. This safety device consists mainly of a fastening part 26, a top 28 and a locking device 30. In the in FIG. 1 illustrated first state, the upper part 28 engages over the handwheel 24, whereby an unintentional rotation of the handwheel is prevented. Furthermore, the fastening part 26 is frictionally mounted to the bottle neck 21 of the compressed air cylinder 20 such that a rotational movement about a bottle axis 32 is excluded. A locking device 30 prevents the upper part 28 from pivoting from the first state to a second state.

Figur 2 zeigt die Druckluftflasche 20 mit Sicherheitsvorrichtung, wobei sich das Oberteil 28 nun in einem zweiten Zustand befindet, der eine Bedienung des Handrades 24 nicht behindert. Ausgehend vom ersten Zustand wird der zweite Zustand über ein Entriegeln der Arretiervorrichtung 30 mit anschließender Schwenkbewegung des Oberteils 28 erreicht. Die dazu notwendige Schwenkverbindung besteht aus zwei auf einer Schwenkachse 34 liegenden Lagereinrichtungen, die sich bezüglich der Flaschenachse 32 gegenüberliegen. Diese Lagereinrichtungen weisen jeweils ein in den Figuren nicht dargestelltes Lagerteil, eine Lageröffnung 36a und 36b im Oberteil 28 und einem Bolzenlager 38a und 38b im Befestigungsteil 26 auf. Das Lagerteil wird durch die Lageröffnung 36a, 36b geschoben und unlösbar mit dem jeweiligen Bolzenlager 38a, 38b verbunden. Hierzu eignet es sich, dass das Bolzenlager 38a, 38b ein Gewinde aufweist und das Lagerteil durch eine zugehörige Schraube realisiert ist. Eine unlösbare Verbindung zwischen Bolzenlagers 38a, 38b und Schraube kann beispielsweise durch eine zusätzliche Klebverbindung erfolgen. Die Arretiervorrichtung 30 kann vorzugsweise in Form einer Steckverbindung realisiert werden. Diese weist einen Durchlass 40 in einer Nase 42 im Befestigungsteil 26, eine Bohrung 44 im Oberteil und ein Fixierteil 46, vorzugsweise bestehend aus einem Sperrbolzen 48 und einer Bedieneinrichtung 50, auf. Der Sperrbolzen 48 wird in dem ersten, verriegelten Zustand durch die Bohrung 44 und den Durchlass 40 gesteckt und verbindet diese formschlüssig durch eine Sperreinrichtung 52, beispielsweise Kugelsperren in einem Kugelsperrbolzen. Die Bedieneinrichtung 50 dient als Angriffspunkt für den Bediener und erlaubt dadurch ein zügiges Entfernen des Fixierteils 46, um in den zweiten, entriegelten Zustand zu wechseln. Dieser zweite Zustand behindert eine gewünschte Bedienung des Handrads 24 nicht, wodurch ein zügiges Entfalten des Sprungpolsters gewährleistet wird. In Figur 2 ist dargestellt, dass das Fixierteil 46 durch ein Verbindungsteil 54, vorzugsweise ein Kabel oder eine Kette, unverlierbar mit dem Oberteil 28 verbunden ist. Es wäre jedoch auch möglich das Fixierteil 46 unverlierbar mit dem Befestigungsteil 26, oder der Druckluftflasche 20 zu verbinden. FIG. 2 shows the compressed air cylinder 20 with safety device, wherein the upper part 28 is now in a second state, which does not hinder operation of the handwheel 24. Starting from the first state, the second state is achieved by unlocking the locking device 30 with subsequent pivotal movement of the upper part 28. The necessary pivotal connection consists of two lying on a pivot axis 34 storage facilities, which are opposite to each other with respect to the bottle axis 32. These bearing devices each have a bearing part not shown in the figures, a bearing opening 36a and 36b in the upper part 28 and a pin bearing 38a and 38b in the fastening part 26. The bearing part is pushed through the bearing opening 36a, 36b and inextricably connected to the respective pin bearing 38a, 38b. For this purpose, it is suitable that the pin bearing 38a, 38b has a thread and the bearing part is realized by an associated screw. A non-detachable connection between the pin bearing 38a, 38b and screw can be done for example by an additional adhesive bond. The locking device 30 can preferably be realized in the form of a plug connection. This has a passage 40 in a nose 42 in the fastening part 26, a bore 44 in the upper part and a fixing part 46, preferably consisting of a locking pin 48 and an operating device 50, on. The locking pin 48 is inserted in the first, locked state through the bore 44 and the passage 40 and connects them in a form-fitting manner by a locking device 52, for example, ball locks in a ball lock pin. The operating device 50 serves as a point of attack for the operator and thereby allows a rapid removal of the fixing part 46 in order to change to the second, unlocked state. This second state does not hinder a desired operation of the hand wheel 24, whereby a rapid deployment of the jump pad is ensured. In FIG. 2 It is shown that the fixing part 46 is connected captively to the upper part 28 by a connecting part 54, preferably a cable or a chain. However, it would also be possible to connect the fixing part 46 captively with the fastening part 26, or the compressed air cylinder 20.

Figur 3 zeigt eine perspektivische Darstellung einer möglichen Realisierung des Fixierteils 46 in Form eines Kugelsperrbolzens und eine perspektivische Darstellung des Oberteils 28, welches vorzugsweise aus einem Stück geformt wird. Dieses Oberteil 28 zeigt keine spitzen Ecken, Kanten und Schmalseiten, die das Sprungpolster beschädigen könnten. Ferner weist das Oberteil 28 an mindestens zwei Teilabschnitten, oder aber über die gesamte Länge seiner äußeren Schmalseite einen Kantenschutz 56 auf, der vorzugsweise aus Gummi besteht. In einer nicht gezeigten Ausfertigung weist das Oberteil 28 an beiden Seiten die Bohrung 44 auf. Dadurch entsteht an der obersten Stelle des Oberteils eine Symmetrieachse. Ein solch symmetrisches Oberteil hat den Vorteil, dass eine fehlerhafte Montage der Sicherheitsvorrichtung ausgeschlossen ist, insbesondere dann, wenn das Oberteil eine zweite Symmetrieachse aufweist, die zur ersten Symmetrieachse orthogonal durch die Mittelpunkte der Bohrungen 44 und der Lageröffnung 36a, 36b verläuft. FIG. 3 shows a perspective view of a possible realization of the fixing part 46 in the form of a ball locking pin and a perspective view of the upper part 28, which is preferably formed from one piece. This top 28 shows no sharp corners, edges and narrow sides that could damage the jump pad. Furthermore, the upper part 28 on at least two sections, or over the entire length of its outer narrow side an edge protection 56, which preferably consists of rubber. In a copy, not shown, the upper part 28 on both sides of the bore 44. This creates an axis of symmetry at the uppermost point of the upper part. Such a symmetrical upper part has the advantage that a faulty mounting of the safety device is precluded, in particular when the upper part has a second axis of symmetry which extends orthogonally to the first axis of symmetry through the centers of the bores 44 and the bearing opening 36a, 36b.

Figur 4 zeigt eine perspektivische Darstellung eines möglichen Befestigungsteils 26. In der gezeigten Ausfertigung besteht dieses aus zwei Teilen 58 und 60, die über zwei Schraubverbindungen 62a und 62b reibschlüssig um den Flaschenhals geflanscht werden. An einem der beiden Teile 58 ist vertikal die Nase 42 integriert, welche den Durchlass 40 für das Fixierteil 46 beinhaltet. In der präsentierten Ausführung ist das Fixierteil 46 ein Kugelsperrbolzen, welcher weitverbreitet zum schnellen Fixieren, Verbinden und Sichern von Einzelteilen oder Werkstücken eingesetzt wird. Durch das Drücken des gefederten Bolzens 48 werden mindestens zwei Kugeln 52 ent- und beim Loslassen wieder verriegelt. Dadurch eignet sich ein solches Fixierteil insbesondere für die hier beschriebene Schutzvorrichtung von Druckluftflaschen für Sprungpolster. Als weiteres Merkmal des in Figur 4 gezeigten Befestigungsteils 26 sind die abgerundeten Ecken zu nennen, welche die Gefahr einer Beschädigung des Sprungpolsters im verpackten Zustand verringern. FIG. 4 shows a perspective view of a possible attachment part 26. In the illustrated embodiment, this consists of two parts 58 and 60, which are frictionally flanged over two screw 62a and 62b around the bottleneck. On one of the two parts 58, the nose 42 is integrated vertically, which includes the passage 40 for the fixing part 46. In the illustrated embodiment, the fixing member 46 is a ball lock pin which is widely used for quick fixing, joining and securing of parts or workpieces is used. By pressing the spring-loaded bolt 48 at least two balls 52 are released and locked again when released. As a result, such a fixing part is particularly suitable for the protective device described here of compressed air bottles for jump cushions. As another feature of in FIG. 4 the fastening part 26 shown are the rounded corners, which reduce the risk of damage to the jump pad in the packaged state.

Die vorliegende Erfindung ist selbstverständlich nicht auf das vorstehend beschriebene Ausführungsbeispiel beschränkt. So kann beispielsweise das Befestigungsteil so ausgelegt sein, dass durch einfache Anpassung mittels Adaptern die Sicherheitsvorrichtung an Druckluftflaschen mit unterschiedlichen Flaschenhalsdurchmessern montiert werden kann. Ferner könnte die vertikale Nase der Arretiervorrichtung auch horizontal ausgelegt werden. Anstelle der Schraubverbindungen des Befestigungsteils 26 könnten beispielsweise auch Klemm- und/oder Steckverbindungen verwendet werden. Möglich ist auch ein Befestigungsteil, welches als Aufsatzelement für das Ventilgewinde dimensioniert ist, so dass es sich nach Montage zwischen Flaschenkörper 23 und Flaschenventil 22 befindet. Vorteilhafterweise sind die Einzelteile 58 und 60 des Befestigungsteils 26 baugleich gestaltet, wodurch die Fabrikation der Teile wesentlich erleichtert wird. Ferner ist es wahrscheinlich, dass hierdurch die Fabrikationskosten verringert werden können. In dem vorangegangenen Ausführungsbeispiel würde in diesem Fall das Teil 60 ebenfalls eine Nase wie Teil 58 aufweisen.Of course, the present invention is not limited to the embodiment described above. Thus, for example, the fastening part can be designed so that the safety device can be mounted on compressed air cylinders with different bottleneck diameters by simple adaptation by means of adapters. Furthermore, the vertical nose of the locking device could also be designed horizontally. Instead of the screw of the fastening part 26, for example, clamping and / or plug connections could be used. Also possible is a fastening part, which is dimensioned as an attachment element for the valve thread, so that it is after assembly between the bottle body 23 and cylinder valve 22. Advantageously, the individual parts 58 and 60 of the fastening part 26 are designed to be identical, whereby the fabrication of the parts is substantially facilitated. Furthermore, it is likely that this can reduce manufacturing costs. In the previous embodiment, in this case, the part 60 would also have a nose like part 58.

Alternative Arretiervorrichtungen könnten beispielsweise Klemmen, Federstecker, und/oder Bolzen mit Federsteckern aufweisen.Alternative locking devices could include, for example, terminals, spring plugs, and / or bolts with spring plugs.

Claims (12)

Sicherheitsvorrichtung für Druckluftflaschen, die ein Ventil (22) mit einem Handrad (24) aufweisen, welche Sicherheitsvorrichtung ein lösbar, an der Druckluftflasche (20) befestigtes Befestigungsteil (26) aufweist, das über eine unlösbare Schwenkverbindung mit einem Oberteil (28) verbunden ist, welches über eine schwenkende Bewegung mindestens einen ersten Zustand und einen zweiten Zustand einnehmen kann, wobei das Oberteil (28) in dem durch eine Arretiervorrichtung (30) verriegelten ersten Zustand das Handrad (24) übergreift und in dem zweiten Zustand eine Bedienung dieses Handrads (24) nicht behindert.Safety device for compressed air cylinders, comprising a valve (22) with a handwheel (24), which safety device has a releasably secured to the compressed air cylinder (20) fastening part (26) which is connected via a non-detachable pivotal connection with a top part (28), which can assume at least a first state and a second state via a pivoting movement, wherein the upper part (28) engages over the handwheel (24) in the first state locked by a locking device (30) and in the second state an operation of this handwheel (24 ) not disabled. Sicherheitsvorrichtung gemäß Anspruch 1, dadurch gekennzeichnet dass die Schwenkverbindung mittels zweier bezüglich einer Flaschenachse (32) gegenüberliegenden Lagereinrichtungen realisiert ist, jeweils bestehend aus - einem Lagerteil mit einen Kopf und einem Bolzen - einer Lageröffnung (36a, 36b) im Oberteil (28) und - einem Bolzenlager (38a, 38b) im Befestigungsteil (26), wobei ferner die Bolzen zueinander entgegengerichtet auf einer gemeinsamen Schwenkachse (34) durch die jeweilige Lageröffnung (36a, 36b) geschoben und vorzugsweise unlösbar mit dem jeweiligen Bolzenlager (38a, 38b) verbunden sind. Safety device according to claim 1, characterized in that the pivotal connection is realized by means of two with respect to a bottle axis (32) opposite bearing means, each consisting of - A bearing part with a head and a bolt - A bearing opening (36 a, 36 b) in the upper part (28) and - A bolt bearing (38 a, 38 b) in the fastening part (26), wherein further the bolts pushed against each other on a common pivot axis (34) through the respective bearing opening (36 a, 36 b) and preferably inseparably connected to the respective pin bearing (38 a, 38 b) are. Sicherheitsvorrichtung gemäß einem der vorstehenden Ansprüche, dadurch gekennzeichnet dass das Oberteil (28) das Handrad (24) nicht berührt.Safety device according to one of the preceding claims, characterized in that the upper part (28) does not touch the handwheel (24). Sicherheitsvorrichtung gemäß einem der vorstehenden Ansprüche, dadurch gekennzeichnet dass das Befestigungsteil (26) aus mindestens zwei Teilen (58, 60) besteht, die an einem Flaschenhals (21) zusammengesetzt werden und diesen Flaschenhals (21) reibschlüssig umschließen.Safety device according to one of the preceding claims, characterized in that the fastening part (26) consists of at least two parts (58, 60), which are assembled on a bottle neck (21) and frictionally enclose this bottle neck (21). Sicherheitsvorrichtung gemäß einem der vorstehenden Ansprüche, dadurch gekennzeichnet dass die Arretiervorrichtung (30) eine Steckverbindung aufweist, bestehend aus - einem Durchlass (40) in dem Befestigungsteil (26), - einer Bohrung (44) in dem Oberteil (28), welche in dem ersten Zustand eine gemeinsame Arretierachse (31) mit dem Durchlass (40) aufweist, und - einem Fixierteil (46), welches in dem ersten Zustand den Durchlass (40) mit der Bohrung (44) formschlüssig verbindet und dadurch ein unbeabsichtigtes Lösen verhindert. Safety device according to one of the preceding claims, characterized in that the locking device (30) has a plug connection consisting of a passage (40) in the attachment part (26), - A bore (44) in the upper part (28) which in the first state has a common locking axis (31) with the passage (40), and - A fixing member (46), which in the first state, the passage (40) with the bore (44) positively connected and thereby prevents unintentional loosening. Sicherheitsvorrichtung gemäß einem der vorstehenden Ansprüche, dadurch gekennzeichnet dass das Fixierteil (46) durch ein Verbindungsteil (54) unverlierbar mit dem Oberteil (28) oder dem Befestigungsteil (26) verbunden ist.Safety device according to one of the preceding claims, characterized in that the fixing part (46) is connected captively to the upper part (28) or the fastening part (26) by a connecting part (54). Sicherheitsvorrichtung gemäß einem der vorstehenden Ansprüche, dadurch gekennzeichnet dass Kanten und/oder Schmalseiten des Oberteils (28), des Befestigungsteils (26) und/oder der Arretiervorrichtung (30) entschärft sind und/oder das Oberteil (28) an mindestens einer Schmalseite einen vorzugsweise aus Gummi hergestellten Kantenschutz (56) aufweist.Safety device according to one of the preceding claims, characterized in that the edges and / or narrow sides of the upper part (28), the fastening part (26) and / or the locking device (30) are defused and / or the upper part (28) on at least one narrow side of a preferably made of rubber edge protection (56). Sicherheitsvorrichtung gemäß einem der vorstehenden Ansprüche, dadurch gekennzeichnet dass das Befestigungsteil (26) aus mindestens zwei Teilen (58, 60) und gegebenenfalls einem dem Durchmesser des Flaschenhalses (21) angepassten Adapter besteht.Safety device according to one of the preceding claims, characterized in that the fastening part (26) consists of at least two parts (58, 60) and optionally an adapter adapted to the diameter of the bottle neck (21). Sicherheitsvorrichtung gemäß einem der vorstehenden Ansprüche, dadurch gekennzeichnet dass das Oberteil (28) aus einem Stück geformt ist und dass das Oberteil (28) vorzugsweise eine zweite Bohrung mit gleicher Lage zu Lageröffnung 36b, wie die Bohrung 44 zu Lageröffnung 36a aufweist.Safety device according to one of the preceding claims, characterized in that the upper part (28) is formed in one piece and that the upper part (28) preferably has a second bore with the same position to bearing opening 36b as the bore 44 to bearing opening 36a. Sicherheitsvorrichtung gemäß Ansprüchen 5 bis 9, dadurch gekennzeichnet dass die Fixierteil (46) ein Sperrteil (48), beispielsweise ein Kugelsperrbolzen, und eine Bedieneinrichtung (50) aufweist.Safety device according to claims 5 to 9, characterized in that the fixing part (46) has a locking part (48), for example a ball lock pin, and an operating device (50). Sicherheitsvorrichtung gemäß einem Ansprüchen 5 bis 10, dadurch gekennzeichnet dass sich die Bohrung (44) in einer vorzugsweisen vertikalen Nase (42) des Befestigungsteils (26) befindet.Safety device according to one of Claims 5 to 10, characterized in that the bore (44) is located in a preferably vertical nose (42) of the fastening part (26). Sicherheitsvorrichtung gemäß einem der vorstehenden Ansprüche, dadurch gekennzeichnet dass die Druckluftflasche (20) dauerhaft an ein Sprungpolster angeschlossen ist.Safety device according to one of the preceding claims, characterized in that the compressed air cylinder (20) is permanently connected to a jump pad.
EP10191002.4A 2009-12-07 2010-11-12 Safety device for pressurised bottles Active EP2330335B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10191002T PL2330335T3 (en) 2009-12-07 2010-11-12 Safety device for pressurised bottles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009047601 2009-12-07

Publications (2)

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EP2330335A1 true EP2330335A1 (en) 2011-06-08
EP2330335B1 EP2330335B1 (en) 2013-06-19

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EP10191002.4A Active EP2330335B1 (en) 2009-12-07 2010-11-12 Safety device for pressurised bottles

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EP (1) EP2330335B1 (en)
DE (1) DE202009017665U1 (en)
DK (1) DK2330335T3 (en)
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Cited By (2)

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Publication number Priority date Publication date Assignee Title
EP2918893A1 (en) * 2014-03-12 2015-09-16 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Protective hood with pivoting attachment system for a gas cylinder
EP2664839A3 (en) * 2012-05-17 2017-07-26 Linde Aktiengesellschaft Valve guard retention device

Families Citing this family (2)

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Publication number Priority date Publication date Assignee Title
FR2989759B1 (en) * 2012-04-19 2015-01-30 Air Liquide PROTECTIVE HAT FOR PRESSURIZED FLUID BOTTLE VALVE AND METHOD OF MANUFACTURING THE SAME
LU92157B1 (en) * 2013-02-21 2014-08-22 Presta Gaz S A Collar for gas cylinder

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US2291811A (en) * 1940-03-06 1942-08-04 Scaife Company Tank support
US2727526A (en) * 1953-07-07 1955-12-20 Johnson W Nickle Safety cap for shear relief valves
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US3372836A (en) * 1966-04-18 1968-03-12 Troy E. Smith Gas cylinder cap and hinge therefor
US3696964A (en) * 1970-02-19 1972-10-10 Alfred Deakin Cap for oxygen and similar containers
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Publication number Priority date Publication date Assignee Title
EP2664839A3 (en) * 2012-05-17 2017-07-26 Linde Aktiengesellschaft Valve guard retention device
EP2918893A1 (en) * 2014-03-12 2015-09-16 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Protective hood with pivoting attachment system for a gas cylinder
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EP3006811A1 (en) * 2014-03-12 2016-04-13 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Protective hood with pivoting attachment system for a gas cylinder
EP3006809A1 (en) * 2014-03-12 2016-04-13 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Protective hood with pivoting attachment system for a gas cylinder
EP3006808A1 (en) * 2014-03-12 2016-04-13 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Protective hood with pivoting attachment system for a gas cylinder
EP3006810A1 (en) * 2014-03-12 2016-04-13 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Protective hood with pivoting attachment system for a gas cylinder
EP3480509A1 (en) * 2014-03-12 2019-05-08 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Use of a gas cylinder with a protective hood with pivoting attachment system
EP3663634A1 (en) * 2014-03-12 2020-06-10 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Protective hood with pivoting attachment system for a gas cylinder

Also Published As

Publication number Publication date
DK2330335T3 (en) 2013-09-30
DE202009017665U1 (en) 2010-05-12
PL2330335T3 (en) 2013-11-29
EP2330335B1 (en) 2013-06-19

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