EP2017420A1 - Cabinet, in particular security cabinet - Google Patents

Cabinet, in particular security cabinet Download PDF

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Publication number
EP2017420A1
EP2017420A1 EP07014298A EP07014298A EP2017420A1 EP 2017420 A1 EP2017420 A1 EP 2017420A1 EP 07014298 A EP07014298 A EP 07014298A EP 07014298 A EP07014298 A EP 07014298A EP 2017420 A1 EP2017420 A1 EP 2017420A1
Authority
EP
European Patent Office
Prior art keywords
connecting element
cabinet
spring unit
spring
closing
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
EP07014298A
Other languages
German (de)
French (fr)
Other versions
EP2017420B1 (en
Inventor
Joachim Reich
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.)
Dueperthal Sicherheitstechnik GmbH
Dueperthal Sicherheitstechnik GmbH and Co KG
Original Assignee
Dueperthal Sicherheitstechnik GmbH
Dueperthal Sicherheitstechnik 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 Dueperthal Sicherheitstechnik GmbH, Dueperthal Sicherheitstechnik GmbH and Co KG filed Critical Dueperthal Sicherheitstechnik GmbH
Priority to AT07014298T priority Critical patent/ATE445074T1/en
Priority to DE502007001692T priority patent/DE502007001692D1/en
Priority to PL07014298T priority patent/PL2017420T3/en
Priority to EP07014298A priority patent/EP2017420B1/en
Priority to ES07014298T priority patent/ES2333551T3/en
Publication of EP2017420A1 publication Critical patent/EP2017420A1/en
Application granted granted Critical
Publication of EP2017420B1 publication Critical patent/EP2017420B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/002—Closers or openers for wings, not otherwise provided for in this subclass controlled by automatically acting means
    • E05F1/006—Closers or openers for wings, not otherwise provided for in this subclass controlled by automatically acting means by emergency conditions, e.g. fire
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
    • E05F1/1041—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis
    • E05F1/1066—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis with a traction spring
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F17/00—Special devices for shifting a plurality of wings operated simultaneously
    • E05F17/004—Special devices for shifting a plurality of wings operated simultaneously for wings which abut when closed
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
    • E05F1/1041—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/02—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/20—Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore
    • E05Y2201/214—Disengaging means
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/20—Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore
    • E05Y2201/23—Actuation thereof
    • E05Y2201/232—Actuation thereof by automatically acting means
    • E05Y2201/24—Actuation thereof by automatically acting means using lost motion
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefore
    • E05Y2201/404—Motors; Magnets; Springs; Weights; Accessories therefore characterised by the function
    • E05Y2201/41—Motors; Magnets; Springs; Weights; Accessories therefore characterised by the function for closing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefore
    • E05Y2201/47—Springs; Spring tensioners
    • E05Y2201/482—Ribbon springs
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/73—Single use of elements
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/20—Application of doors, windows, wings or fittings thereof for furnitures, e.g. cabinets
    • E05Y2900/21—Application of doors, windows, wings or fittings thereof for furnitures, e.g. cabinets for safety cabinets

Definitions

  • the invention relates to a cabinet, in particular safety cabinet, laboratory cabinet, environmental cabinet, tool cabinet, wardrobe or the like, with at least two hinged doors hinged to a cabinet body, which are connected together to a displaceable in a guide connecting element, and with a spring unit, which both swing doors at least in automatic closing operation in the direction of its closed position subjected to force.
  • Closing operation or automatic closing operation means in the context of the invention predominantly a fire or other predetermined from the outside automatic closure in contrast to normal operation, in which the cabinet is manually - and not automatically - opened and closed.
  • the force-applying spring element is arranged along the guide for the connecting element or integrated into the guide.
  • the spring element is a roller spring, which is directly connected to the connecting element. Thereby follows the scroll spring or the spring element respectively the spring unit of each movement of the connecting element and consequently each closing movement and opening movement of the swing doors. This is problematic insofar as the roll spring thereby assumes a quasi-dual function.
  • the described dual functionality of the scroll spring or the known spring unit may possibly cause the spring unit in case of fire does not work reliably because the scroll spring and / or the fixing or connecting element show fatigue by the constant operation. This represents a serious security problem.
  • the invention seeks to remedy the situation.
  • the invention is based on the technical problem of developing such a cabinet further so that a reliable function of the spring unit is ensured in the closed operation under all circumstances.
  • a generic cabinet, especially safety cabinet, in the context of the invention is characterized in that the spring unit is functionally decoupled in normal operation of the connecting element and acts on the connecting element only in the closing operation.
  • the spring unit is therefore not used in normal operation. That is, the spring unit is not subject to the normal Opening and closing of the swing door.
  • This opening and closing operation is inventively initiated manually and can be accomplished advantageously with only one hand. Because the fact that the two swing doors are connected together to the displaceable in the guide connecting element, it is ensured that this opening and closing movement of a swing door is synchronously and automatically transmitted via the connecting element to the other swing door. This is of particular importance against the background that in the said cabinet, for example, chemicals are stored.
  • the one-handed opening realized according to the invention has proved to be particularly advantageous.
  • the connecting element is designed as compared to a floor or a ceiling of the cabinet body linearly movable carriage. That is, the connecting element can advantageously be arranged on the floor or on the ceiling of said cabinet body.
  • the connecting element is mounted linearly displaceable in two end guides.
  • the described force ratios and in particular the linear movement of the connecting element are designed to be particularly low-force and tilt-free for the case that the connecting element and the respective push rod are mirror-inverted compared to a central plane of the cabinet body.
  • this makes it easier to manufacture, because the push rods are each made identical and also has the connecting element on a mirror-symmetrical structure.
  • a closing spring can be connected to the connecting element - in addition to the at least in the (automatic) closing operation, the two rotary doors in the direction of their closed position kraftbeier soden spring unit.
  • the closing spring generally ensures that a manual closing movement of the swing doors is damped shortly before reaching the closed position.
  • the spring unit is functionally decoupled from the connecting element in normal operation.
  • the spring unit constantly maintains its cocked position.
  • the spring unit ensures that with your help, the connecting element is subjected to force and the swing doors take their closed position automatically.
  • the spring unit is advantageously a stretched in a substantially elongated roll spring.
  • the spring unit has an interacting with the connecting element in the closing operation driver.
  • the driver connected to the scroll spring ensures that the connecting element follows the path of the scroll spring.
  • the change of the scroll spring from its longitudinally stretched tensioned position into the rolled-in position corresponds to the fact that the driver connected at the end to the scroll spring makes its way in the linear direction and exerts a force on the driver.
  • the spring unit is usually arranged parallel to a guide of the connecting element and preferably adjacent thereto, the force occurring when changing the spring from its extended tension state in the rolled-in rest state acts exactly entland this guide and provides the desired linear displacement of the connecting element to the To convert swing doors to their closed positions.
  • the spring unit or belonging to her scroll spring is actually used only in (automatic) closing operation, malfunctions can be virtually eliminated.
  • the closing operation of the spring unit corresponds to a fire, but this is not necessarily understood. Because fundamentally, the spring unit could be triggered independently of a fire, for example, by a switch, a magnet, etc., to provide the desired automatic - and not manual - closure. As a rule, the closing operation coincides with the fire.
  • the fixing element which loses its fixing effect by the action of heat, ensures that the spring leaves its tensioned state and curls up, taking along the connecting element and consequently the revolving doors.
  • the fixing element can be two metal plates connected to one another by fusible solder, to which the roll spring is connected at the end, for example via a wire or another connection means, or also directly.
  • the fusible link becomes liquid at a certain temperature (eg 50 ° C) and releases the scroll spring.
  • a cabinet in particular safety cabinet is provided, which convinces by special reliability, especially in closing operation respectively fire.
  • the spring unit is functionally decoupled from the connecting element and is not involved in the opening or closing movement of the swing doors during normal operation. Rather, the spring unit keeps in normal operation constantly their tensioned position so that their functionality can be easily checked and monitored for example by means of a sensor or by a simple optical control.
  • the spring unit Only when closing or in case of fire, the spring unit is used. Because then a fixing element is released, which has held until then an end of the elongated scroll spring. In most cases, the fixing element is indirectly or directly connected to the driver. As soon as the scroll spring contracts, the end provided driver moves linearly, and predominantly parallel to the guide for the connecting element. For the driver is advantageously mounted on a linear guide element or is moved along this linear guide element.
  • the main benefits are the main benefits.
  • a cabinet which in the present case is designed as a security cabinet and for storing only in Fig. 1 indicated chemicals 1 is used.
  • 2 hinged doors 3 are struck on a cabinet body.
  • the swing doors 3 can be opened synchronously with one hand, as will be explained in more detail below (one-handed opening).
  • the cabinet body has 2 side walls 2a and a top or top wall 2b, a bottom wall 2c and finally a rear wall 2d.
  • the swing doors 3 are each hinged to vertical axis 4 rotatable to the cabinet body 2. Both rotary doors 3 are connected in common to a connecting element 5, which in turn is arranged in the region of the top wall 2b and may be connected to this.
  • the connecting element 5 operates via push rods 6 on the swing doors 3.
  • each transverse edge side of the connecting element 5 ensure that the connecting element 5 can perform linear movements in the transverse direction of the top wall 2b, as a double arrow in the Fig. 3 suggests.
  • Each connected to the swing door 3 push rod 6 is connected to a boom 5a of the connecting element 5.
  • the connecting element 5 is composed essentially of the two edge-side arms 5a and a strut 5b connecting the two arms 5a. Both booms 5a have a triangular design, wherein the respective push rod 6 is pivotally connected at the apex.
  • the associated push rod 6 ensures that this rotational movement the associated swing door 3 is converted into a linear movement of the connecting element 5 along the guides 7.
  • the linear movement of the connecting element 5 is in turn converted into a rotational movement of the associated swing door 3, so that both swing doors 3 can be synchronously pivot by the same angle, by one-handed operation.
  • the connecting element 5 is designed as a carriage 5 which can be moved relative to the top wall 2b of the cabinet body 2.
  • To the carriage 5 include the guides or slide guides 7, which provide the corresponding linear movement of the connecting element or carriage 5.
  • the connecting element or the carriage 5 together with the associated push rods 6 mirror image in comparison to a in Fig. 2 indicated central plane Z of the cabinet body 2 executed. This results in a tilt-free and uniform introduction of force from the one swing door 3 via the push rod 6 to the connecting element 5 to the other push rod 6 and finally to the other swing door.
  • the safety cabinet according to the invention is equipped with a spring unit 8, 9, 10.
  • the spring unit 8, 9, 10 ensures that both swing doors 3 at least in the closing operation in the direction of its closed position corresponding to the dashed line in FIG Fig. 3 be charged.
  • the spring unit 8, 9, 10 according to the invention is functionally decoupled from the connecting element 5 in normal operation.
  • the spring unit 8, 9, 10 in normal operation constantly maintains its cocked position, as in particular in the Fig. 3 is clearly visible.
  • a scroll spring 8 takes her stretched respectively elongated state, especially as the Fig. 3 shows.
  • the spring unit 8, 9, 10 a driver 10, which interacts with the connecting element 5 in the closing operation via a connected to the connecting element 5 stop 14.
  • the closing operation is characterized in that the scroll spring 8 leaves its longitudinally stretched state and curls up or contracts.
  • the end of the scroll spring 8 connected driver 10 moves in the direction of in Fig. 2 indicated arrow.
  • the driver 10 performs a linear movement, because he learns along a linear guide element 9, in this case a guide rod 9, a linear guide.
  • this linear movement of the driver 10 takes the stop 14 of the connecting element 5 of his in the Fig. 3 dashed position shown in the solid position with.
  • the scroll spring 8 provides in Connection with the driver 10 for the fact that the connecting element 5 kraftbeaufschlagt occupies its retracted position in the interior of the cabinet body 2, as pulled through in the Fig. 3 is shown. At the same time the two swing doors 3 are closed in this process.
  • the triggering of the scroll spring 8 can for example take place such that the driver 10 is held in normal operation by a magnet, which is opened for the closing operation, so that thereafter the scroll spring 8 contracts and the connecting element 5 entrains as described. In the embodiment, however, the closing operation coincides with a fire.
  • the driver 10 is connected via a connecting means 11 to a fixing element 12, which in turn is fixed to the cabinet body 2.
  • the fixing element 12 is not limited by two together by fusible link metal plates together. If a certain (and predetermined by the melt soldering temperature) exceeded, the connection of the two plates dissolves each other through the fusible link, so that the driver 10 is released from the fixing element 12 and the scroll spring 8 can roll up.
  • the driver 5 is automatically transferred to its retracted position in the cabinet body 2.
  • the figures finally show a closing spring 13 which dampens the manual closing movement of the swing doors 3 shortly before reaching the closed position.
  • a closing spring 13 which dampens the manual closing movement of the swing doors 3 shortly before reaching the closed position.
  • this can also be dispensed with.

Abstract

The cabinet has rotary wing doors (3), which are attached together to a connecting element (5) movable in a guide (7) and a spring unit e.g. scroll spring (8), charging the wing door towards a closing position in closing operation by an action of force. The spring unit is decoupled functionally from the connecting element in normal operation and acts only in closing operation. The spring unit constantly retains strained position during normal operation. The spring unit is arranged parallel to the guide of the connecting element.

Description

Die Erfindung betrifft einen Schrank, insbesondere Sicherheitsschrank, Laborschrank, Umweltschrank, Werkzeugschrank, Kleiderschrank oder dergleichen, mit wenigstens zwei an einen Schrankkorpus angelenkten Drehflügeltüren, welche gemeinsam an ein in einer Führung verschiebbares Verbindungselement angeschlossen sind, und mit einer Federeinheit, welche beide Drehflügeltüren zumindest im automatischen Schließbetrieb in Richtung ihrer Schließstellung kraftbeaufschlagt.The invention relates to a cabinet, in particular safety cabinet, laboratory cabinet, environmental cabinet, tool cabinet, wardrobe or the like, with at least two hinged doors hinged to a cabinet body, which are connected together to a displaceable in a guide connecting element, and with a spring unit, which both swing doors at least in automatic closing operation in the direction of its closed position subjected to force.

Solche Schränke respektive Sicherheitsschränke werden in der Regel eingesetzt, um sicherheitsrelevante Produkte, wie Chemikalien, brennbare Flüssigkeiten etc. zu bevorraten. Es kommt also darauf an, dass der fragliche Sicherheitsschrank oder allgemein der Schrank im Schließbetrieb zuverlässig verschlossen wird, wobei hierfür die angesprochene Federeinheit sorgt. Schließbetrieb bzw. automatischer Schließbetrieb meint im Rahmen der Erfindung überwiegend einen Brandfall oder eine andere von außen vorgegebene automatische Schließung im Unterschied zum Normalbetrieb, bei dem der Schrank manuell - und nicht automatisch - geöffnet und geschlossen wird.Such cabinets or safety cabinets are generally used to store safety-related products, such as chemicals, flammable liquids, etc. It is therefore important that the security cabinet in question or the cabinet in general is reliably closed in the closing operation, which provides the mentioned spring unit. Closing operation or automatic closing operation means in the context of the invention predominantly a fire or other predetermined from the outside automatic closure in contrast to normal operation, in which the cabinet is manually - and not automatically - opened and closed.

Im Stand der Technik nach der DE 20 2004 004 855 U1 ist das kraftbeaufschlagende Federelement entlang der Führung für das Verbindungselement angeordnet bzw. in die Führung integriert. Bei dem Federelement handelt es sich um eine Rollfeder, die unmittelbar mit dem Verbindungselement verbunden ist. Dadurch folgt die Rollfeder bzw. das Federelement respektive die Federeinheit jeder Bewegung des Verbindungselementes und folglich jeder Schließbewegung und Öffnungsbewegung der Drehflügeltüren. Das ist insofern problematisch, als die Rollfeder hierdurch eine gleichsam zweifache Funktion übernimmt.In the prior art according to the DE 20 2004 004 855 U1 the force-applying spring element is arranged along the guide for the connecting element or integrated into the guide. The spring element is a roller spring, which is directly connected to the connecting element. Thereby follows the scroll spring or the spring element respectively the spring unit of each movement of the connecting element and consequently each closing movement and opening movement of the swing doors. This is problematic insofar as the roll spring thereby assumes a quasi-dual function.

Zum einen sorgt Sie dafür, dass die fraglichen Drehflügeltüren in ihrer geöffneten Stellung in Richtung Schließstellung kraftbeaufschlagt werden und hierdurch gleichsam eine automatische Schließung erfahren. Zum anderen soll die bekannte Rollfeder aber auch im Brandfall (Schließbetrieb) - und hier besonders - für den gewünschten automatischen Schließvorgang und den Verschluss des Schrankes sorgen. Dabei ist in letztgenanntem Fall ein Fixierelement realisiert, das über ein im Brandfall sich lösendes Verbindungselement wie Schmelzlot mit dem Schrankkorpus verbunden ist. Dadurch erfolgt ein automatisches Schließen der Drehflügeltüren im Brandfall, weil dann das Fixierelement die besagten Türen in ihrer Öffnungsstellung nicht (mehr) festhält.On the one hand, it ensures that the rotary doors in question are subjected to a force in their open position in the direction of the closed position and, as a result, experience an automatic closure. On the other hand, the well-known spring roll but also in case of fire (closing operation) - and in particular - to ensure the desired automatic closing operation and the closure of the cabinet. In this case, a fixing element is realized in the latter case, which is connected via a connecting element in the event of fire such as fusible link with the cabinet body. This results in an automatic closing of the swing doors in case of fire, because then the fixing the said doors in their open position does not hold (more).

Die beschriebene doppelte Funktionalität der Rollfeder bzw. der bekannten Federeinheit kann unter Umständen dazu führen, dass die Federeinheit im Brandfall nicht mehr zuverlässig funktioniert, weil die Rollfeder und/oder das Fixier- bzw. Verbindungselement Ermüdungserscheinungen durch den ständigen Betrieb zeigen. Das stellt ein ernstzunehmendes Sicherheitsproblem dar. Hier will die Erfindung Abhilfe schaffen.The described dual functionality of the scroll spring or the known spring unit may possibly cause the spring unit in case of fire does not work reliably because the scroll spring and / or the fixing or connecting element show fatigue by the constant operation. This represents a serious security problem. Here, the invention seeks to remedy the situation.

Der Erfindung liegt das technische Problem zugrunde, einen derartigen Schrank so weiter zu entwickeln, dass eine zuverlässige Funktion der Federeinheit im Schließbetrieb unter allen Umständen gewährleistet ist.The invention is based on the technical problem of developing such a cabinet further so that a reliable function of the spring unit is ensured in the closed operation under all circumstances.

Zur Lösung dieser technischen Problemstellung ist ein gattungsgemäßer Schrank, insbesondere Sicherheitsschrank, im Rahmen der Erfindung dadurch gekennzeichnet, dass die Federeinheit im Normalbetrieb funktional von dem Verbindungselement entkoppelt ist und das Verbindungselement lediglich im Schließbetrieb beaufschlagt.To solve this technical problem, a generic cabinet, especially safety cabinet, in the context of the invention is characterized in that the spring unit is functionally decoupled in normal operation of the connecting element and acts on the connecting element only in the closing operation.

Erfindungsgemäß wird die Federeinheit im Normalbetrieb also nicht genutzt. Das heißt, die Federeinheit erfährt keine Beaufschlagung beim normalen Öffnungs- und Schließvorgang der Drehflügeltür. Dieser Öffnungs- und Schließvorgang wird erfindungsgemäß manuell initiiert und kann vorteilhaft mit nur einer Hand bewerkstelligt werden. Denn dadurch, dass die beiden Drehflügeltüren gemeinsam an das in der Führung verschiebbare Verbindungselement angeschlossen sind, wird gewährleistet, dass diese Öffnungs- und Schließbewegung der einen Drehflügeltür synchron und automatisch über das Verbindungselement auf die andere Drehflügeltür übertragen wird. Das ist von besonderer Bedeutung vor dem Hintergrund, dass in dem besagten Schrank beispielsweise Chemikalien bevorratet werden.According to the invention, the spring unit is therefore not used in normal operation. That is, the spring unit is not subject to the normal Opening and closing of the swing door. This opening and closing operation is inventively initiated manually and can be accomplished advantageously with only one hand. Because the fact that the two swing doors are connected together to the displaceable in the guide connecting element, it is ensured that this opening and closing movement of a swing door is synchronously and automatically transmitted via the connecting element to the other swing door. This is of particular importance against the background that in the said cabinet, for example, chemicals are stored.

Um für die Bestückung des Schrankes wenigstens eine Hand zur Verfügung zu haben, hat sich die erfindungsgemäß realisierte Einhandöffnung als besonders vorteilhaft erwiesen. In diesem Zusammenhang ist es besonders günstig, wenn das Verbindungselement als gegenüber einem Boden oder einer Decke des Schrankkorpus linear verfahrbarer Schlitten ausgebildet ist. Das heißt, das Verbindungselement kann vorteilhaft am Boden oder auch an der Decke des besagten Schrankkorpus angeordnet werden. In der Regel ist das Verbindungselement linear verschiebbar in zwei endseitigen Führungen gelagert.In order to have at least one hand available for equipping the cabinet, the one-handed opening realized according to the invention has proved to be particularly advantageous. In this context, it is particularly advantageous if the connecting element is designed as compared to a floor or a ceiling of the cabinet body linearly movable carriage. That is, the connecting element can advantageously be arranged on the floor or on the ceiling of said cabinet body. In general, the connecting element is mounted linearly displaceable in two end guides.

Auf diese Weise wird für eine verkantungsfreie lineare Führung und Verschiebung des Verbindungselementes gesorgt, und zwar auch dann, wenn nur eine Drehflügeltür manuell zum Öffnen oder Schließen beaufschlagt wird. In jedem Fall sorgt das mit Hilfe der einen Drehflügeltür linear verschobene Verbindungselement dafür, dass die andere Drehflügeltür eine synchrone Bewegung erfährt. Denn das Verbindungselement ist mit wenigstens zwei Schubstangen ausgerüstet, wobei jede Drehflügeltür über eine eigene Schubstange an das Verbindungselement angeschlossen ist.In this way, a tilt-free linear guide and displacement of the connecting element is ensured, even if only a swing door is manually applied for opening or closing. In any case, with the help of a hinged door linearly displaced connecting element ensures that the other swing door undergoes a synchronous movement. Because the connecting element is equipped with at least two push rods, each swing door is connected via its own push rod to the connecting element.

Die beschriebenen Kraftverhältnisse und insbesondere die Linearbewegung des Verbindungselementes gestalten sich besonders kraftarm und verkantungsfrei für den Fall, dass das Verbindungselement und die jeweilige Schubstange spiegelbildlich im Vergleich zu einer Zentralebene des Schrankkorpus ausgeführt sind. Außerdem lässt sich hierdurch die Fertigung vereinfachen, weil die Schubstangen jeweils identisch ausgeführt sind und auch das Verbindungselement über einen spiegelsymmetrischen Aufbau verfügt.The described force ratios and in particular the linear movement of the connecting element are designed to be particularly low-force and tilt-free for the case that the connecting element and the respective push rod are mirror-inverted compared to a central plane of the cabinet body. In addition, this makes it easier to manufacture, because the push rods are each made identical and also has the connecting element on a mirror-symmetrical structure.

Um die Schließbewegung zu unterstützen, kann an das Verbindungselement eine Schließfeder - zusätzlich zu der zumindest im (automatischen) Schließbetrieb die beiden Drehflügeltüren in Richtung ihrer Schließstellung kraftbeaufschlagenden Federeinheit - angeschlossen werden. Die Schließfeder sorgt im allgemeinen dafür, dass eine manuelle Schließbewegung der Drehflügeltüren kurz vor Erreichen der Schließstellung gedämpft wird.In order to support the closing movement, a closing spring can be connected to the connecting element - in addition to the at least in the (automatic) closing operation, the two rotary doors in the direction of their closed position kraftbeaufschlagenden spring unit. The closing spring generally ensures that a manual closing movement of the swing doors is damped shortly before reaching the closed position.

Wie bereits erläutert, ist die Federeinheit im Normalbetrieb funktional von dem Verbindungselement entkoppelt. Im Normalbetrieb behält die Federeinheit ständig ihre gespannte Position bei. Dadurch kommt es - im Gegensatz zum Stand der Technik nach der DE 20 2004 004 855 U1 - ausdrücklich nicht zu wechselnden Betriebsbedingungen und Belastungszuständen der Federeinheit. Denn diese befindet sich im Normalbetrieb ständig in Ihrer gespannten Position. Erst dann wenn der Schließbetrieb gefordert wird, sorgt die Federeinheit dafür, dass mit Ihrer Hilfe das Verbindungselement kraftbeaufschlagt wird und die Drehflügeltüren ihre Schließstellung automatisch einnehmen.As already explained, the spring unit is functionally decoupled from the connecting element in normal operation. During normal operation, the spring unit constantly maintains its cocked position. Thus it comes - in contrast to the state of the art after the DE 20 2004 004 855 U1 - expressly not to changing operating conditions and load conditions of the spring unit. Because this is in normal operation constantly in your cocked position. Only when the closing operation is required, the spring unit ensures that with your help, the connecting element is subjected to force and the swing doors take their closed position automatically.

Bei der Federeinheit handelt es sich vorteilhaft um eine in gespanntem Zustand im wesentlichen längserstreckte Rollfeder. Zusätzlich weist die Federeinheit einen mit dem Verbindungselement im Schließbetrieb wechselwirkenden Mitnehmer auf. Beim Wechsel vom Normalbetrieb in den Schließbetrieb geht die Federeinheit bzw. die zuvor längs erstreckte Rollfeder in ihren eingerollten Zustand über. Hierbei sorgt der an die Rollfeder angeschlossene Mitnehmer dafür, dass das Verbindungselement dem Weg der Rollfeder folgt.In the spring unit is advantageously a stretched in a substantially elongated roll spring. In addition, the spring unit has an interacting with the connecting element in the closing operation driver. When changing from normal operation to the closing operation, the spring unit or the previously longitudinally extended spring roll is in its rolled-up Condition over. Here, the driver connected to the scroll spring ensures that the connecting element follows the path of the scroll spring.

Meistens korrespondiert der Wechsel der Rollfeder von ihrer längserstreckten gespannten Position in die eingerollte Stellung dazu, dass der endseitig an die Rollfeder angeschlossene Mitnehmer seinen Weg in Linearrichtung vollführt und hierbei eine Kraft auf den Mitnehmer ausübt. Da die Federeinheit in der Regel parallel zu einer Führung des Verbindungselementes und vorzugsweise neben diesem angeordnet ist, wirkt die beim Wechsel der Rollfeder von ihrem ausgestreckten Spannungszustand in den eingerollten Ruhezustand auftretende Kraft exakt entland dieser Führung und sorgt für die gewünschte Linearverschiebung des Verbindungselementes, um die Drehflügeltüren in ihre Schließstellungen zu überführen. Da die Federeinheit bzw. die zu ihr gehörige Rollfeder tatsächlich nur im (automatischen) Schließbetrieb zum Einsatz kommt, lassen sich Funktionsstörungen praktisch ausschließen. Im allgemeinen korrespondiert der Schließbetrieb der Federeinheit zum Brandfall, was jedoch nicht zwingend zu verstehen ist. Denn grundsätzlich könnte die Federeinheit auch unabhängig von einem Brandfall beispielsweise durch einen Schalter, einen Magneten etc. ausgelöst werden, um für die gewünschte automatische - und nicht manuelle - Schließung zu sorgen. Im Regelfall fällt der Schließbetrieb jedoch mit dem Brandfall zusammen.In most cases, the change of the scroll spring from its longitudinally stretched tensioned position into the rolled-in position corresponds to the fact that the driver connected at the end to the scroll spring makes its way in the linear direction and exerts a force on the driver. Since the spring unit is usually arranged parallel to a guide of the connecting element and preferably adjacent thereto, the force occurring when changing the spring from its extended tension state in the rolled-in rest state acts exactly entland this guide and provides the desired linear displacement of the connecting element to the To convert swing doors to their closed positions. Since the spring unit or belonging to her scroll spring is actually used only in (automatic) closing operation, malfunctions can be virtually eliminated. In general, the closing operation of the spring unit corresponds to a fire, but this is not necessarily understood. Because fundamentally, the spring unit could be triggered independently of a fire, for example, by a switch, a magnet, etc., to provide the desired automatic - and not manual - closure. As a rule, the closing operation coincides with the fire.

Dann sorgt ein Fixierelement, das durch Hitzeeinwirkung seine fixierende Wirkung verliert, dafür, dass die Rollfeder ihren gespannten Zustand verlässt und sich unter Mitnahme des Verbindungselementes und folglich der Drehflügeltüren zusammenrollt. Bei dem Fixierelement kann es sich um zwei durch Schmelzlot miteinander verbundene Metallplatten handeln, an die die Rollfeder endseitig über beispielsweise einen Draht oder ein anderes Verbindungsmittel oder auch direkt angeschlossen ist. Das Schmelzlot wird bei einer bestimmten Temperatur (beispielsweise 50° C) flüssig und gibt die Rollfeder frei.Then a fixing element, which loses its fixing effect by the action of heat, ensures that the spring leaves its tensioned state and curls up, taking along the connecting element and consequently the revolving doors. The fixing element can be two metal plates connected to one another by fusible solder, to which the roll spring is connected at the end, for example via a wire or another connection means, or also directly. The fusible link becomes liquid at a certain temperature (eg 50 ° C) and releases the scroll spring.

Im Ergebnis wird ein Schrank, insbesondere Sicherheitsschrank zur Verfügung gestellt, der durch besondere Funktionssicherheit insbesondere im Schließbetrieb respektive Brandfall überzeugt. Das lässt sich im Kern darauf zurückführen, dass die Federeinheit erfindungsgemäß funktionell von dem Verbindungselement entkoppelt ist und weder in die Öffnungs- noch Schließbewegung der Drehflügeltüren im Normalbetrieb eingebunden wird. Vielmehr behält die Federeinheit im Normalbetrieb ständig ihre gespannte Position bei, sodass ihre Funktionsfähigkeit unschwer überprüft und beispielsweise mit Hilfe eines Sensors oder auch durch eine simple optische Kontrolle überwacht werden kann.As a result, a cabinet, in particular safety cabinet is provided, which convinces by special reliability, especially in closing operation respectively fire. This can essentially be attributed to the fact that according to the invention the spring unit is functionally decoupled from the connecting element and is not involved in the opening or closing movement of the swing doors during normal operation. Rather, the spring unit keeps in normal operation constantly their tensioned position so that their functionality can be easily checked and monitored for example by means of a sensor or by a simple optical control.

Erst im Schließbetrieb bzw. im Brandfall kommt die Federeinheit zum Einsatz. Denn dann wird ein Fixierelement gelöst, welches bis dahin ein Ende der längserstreckten Rollfeder festgehalten hat. Meistens ist das Fixierelement mittelbar oder unmittelbar mit dem Mitnehmer verbunden. Sobald sich die Rollfeder zusammenzieht, bewegt sich der endseitig vorgesehene Mitnehmer linear, und zwar überwiegend parallel zur Führung für das Verbindungselement. Denn der Mitnehmer ist vorteilhaft an einem Linearführungselement gelagert bzw. wird entlang dieses Linearführungselementes verschoben. Hierin sind die wesentlichen Vorteile zu sehen.Only when closing or in case of fire, the spring unit is used. Because then a fixing element is released, which has held until then an end of the elongated scroll spring. In most cases, the fixing element is indirectly or directly connected to the driver. As soon as the scroll spring contracts, the end provided driver moves linearly, and predominantly parallel to the guide for the connecting element. For the driver is advantageously mounted on a linear guide element or is moved along this linear guide element. Here are the main benefits.

Im Folgenden wird die Erfindung anhand einer lediglich ein Ausführungsbeispiel darstellenden Zeichnung näher erläutert; es zeigen:

Fig. 1
einen Schrank, insbesondere Sicherheitsschrank in einer perspektivischen Übersicht,
Fig. 2
einen Blick auf das Kopfende eines zugehörigen Schrankkorpus perspektivisch und
Fig. 3
ein Detail aus Fig. 2 im Bereich der Federeinheit.
In the following the invention will be explained in more detail with reference to a drawing showing only one exemplary embodiment; show it:
Fig. 1
a cabinet, in particular safety cabinet in a perspective overview,
Fig. 2
a perspective view of the headboard of an associated cabinet carcass
Fig. 3
a detail from Fig. 2 in the area of the spring unit.

In den Figuren ist ein Schrank dargestellt, der vorliegend als Sicherheitsschrank ausgeführt ist und zur Bevorratung von lediglich in Fig. 1 angedeuteten Chemikalien 1 dient. Um die Chemikalien 1 komfortabel im Innern des Schrankes unterzubringen, sind an einen Schrankkorpus 2 Drehflügeltüren 3 angeschlagen. Die Drehflügeltüren 3 lassen sich synchron mit einer Hand öffnen, wie nachfolgend noch näher erläutert wird (Einhandöffnung).In the figures, a cabinet is shown, which in the present case is designed as a security cabinet and for storing only in Fig. 1 indicated chemicals 1 is used. To accommodate the chemicals 1 comfortably inside the cabinet, 2 hinged doors 3 are struck on a cabinet body. The swing doors 3 can be opened synchronously with one hand, as will be explained in more detail below (one-handed opening).

Wie üblich weist der Schrankkorpus 2 Seitenwandungen 2a sowie eine Kopf-oder Deckenwandung 2b, eine Bodenwandung 2c sowie schließlich eine Rückwandung 2d auf. Die Drehflügeltüren 3 sind jeweils um vertikale Achsen 4 drehbar an den Schrankkorpus 2 angeschlagen. Beide Drehflügeltüren 3 sind gemeinsam an ein Verbindungselement 5 angeschlossen, welches seinerseits im Bereich der Deckenwandung 2b angeordnet ist und an diese angeschlossen sein mag. Insbesondere anhand der Figuren 2 und 3 erkennt man, dass das Verbindungselement 5 über Schubstangen 6 auf die Drehflügeltüren 3 arbeitet.As usual, the cabinet body has 2 side walls 2a and a top or top wall 2b, a bottom wall 2c and finally a rear wall 2d. The swing doors 3 are each hinged to vertical axis 4 rotatable to the cabinet body 2. Both rotary doors 3 are connected in common to a connecting element 5, which in turn is arranged in the region of the top wall 2b and may be connected to this. In particular, based on the FIGS. 2 and 3 it can be seen that the connecting element 5 operates via push rods 6 on the swing doors 3.

Zwei parallele Führungen 7 jeweils querrandseitig des Verbindungselementes 5 sorgen dafür, dass das Verbindungselement 5 Linearbewegungen in Querrichtung der Deckenwandung 2b ausführen kann, wie ein Doppelpfeil in der Fig. 3 andeutet. Die jeweils an die Drehflügeltür 3 angeschlossene Schubstange 6 ist mit einem Ausleger 5a des Verbindungselementes 5 verbunden. Tatsächlich setzt sich das Verbindungselement 5 im wesentlichen aus den beiden randseitigen Auslegern 5a und einer die beiden Ausleger 5a verbindenden Strebe 5b zusammen. Beide Ausleger 5a verfügen über eine dreieckige Gestaltung, wobei im Scheitelpunkt die jeweilige Schubstange 6 gelenkig angeschlossen ist.Two parallel guides 7 each transverse edge side of the connecting element 5 ensure that the connecting element 5 can perform linear movements in the transverse direction of the top wall 2b, as a double arrow in the Fig. 3 suggests. Each connected to the swing door 3 push rod 6 is connected to a boom 5a of the connecting element 5. In fact, the connecting element 5 is composed essentially of the two edge-side arms 5a and a strut 5b connecting the two arms 5a. Both booms 5a have a triangular design, wherein the respective push rod 6 is pivotally connected at the apex.

Sobald eine Drehflügeltür 3 manuell in öffnendem oder schließendem Sinne beaufschlagt wird, sorgt die zugehörige Schubstange 6 dafür, dass diese Drehbewegung der zugehörigen Drehflügeltür 3 in eine Linearbewegung des Verbindungselementes 5 entlang der Führungen 7 umgesetzt wird. An der anderen Drehflügeltür 3 wird die Linearbewegung des Verbindungselementes 5 wiederum in eine Drehbewegung der zugehörigen Drehflügeltür 3 umgesetzt, sodass sich beide Drehflügeltüren 3 synchron um den gleichen Drehwinkel verschwenken lassen, und zwar per Einhandbedienung.Once a swing door 3 is manually applied in the opening or closing sense, the associated push rod 6 ensures that this rotational movement the associated swing door 3 is converted into a linear movement of the connecting element 5 along the guides 7. At the other swing door 3, the linear movement of the connecting element 5 is in turn converted into a rotational movement of the associated swing door 3, so that both swing doors 3 can be synchronously pivot by the same angle, by one-handed operation.

Das lässt sich im Kern darauf zurückführen, dass das Verbindungselement 5 als gegenüber der Deckenwandung 2b des Schrankkorpus 2 verfahrbarer Schlitten 5 ausgebildet ist. Zu dem Schlitten 5 gehören die Führungen bzw. Schlittenführungen 7, die für die entsprechende Linearbewegung des Verbindungselementes bzw. Schlittens 5 sorgen. Außerdem ist das Verbindungselement bzw. der Schlitten 5 zusammen mit den zugehörigen Schubstangen 6 spiegelbildlich im Vergleich zu einer in Fig. 2 angedeuteten Zentralebene Z des Schrankkorpus 2 ausgeführt. Dadurch kommt es zu einer verkantungsfreien und gleichmäßigen Krafteinleitung von der einen Drehflügeltür 3 über die Schubstange 6 zum Verbindungselement 5 auf die andere Schubstange 6 und schließlich zur anderen Drehflügeltür 3.This can essentially be attributed to the fact that the connecting element 5 is designed as a carriage 5 which can be moved relative to the top wall 2b of the cabinet body 2. To the carriage 5 include the guides or slide guides 7, which provide the corresponding linear movement of the connecting element or carriage 5. In addition, the connecting element or the carriage 5 together with the associated push rods 6 mirror image in comparison to a in Fig. 2 indicated central plane Z of the cabinet body 2 executed. This results in a tilt-free and uniform introduction of force from the one swing door 3 via the push rod 6 to the connecting element 5 to the other push rod 6 and finally to the other swing door. 3

Neben den manuellen Öffnungs- und Schließbewegungen der Drehflügeltüren 3 (Normalbetrieb) können diese auch eine automatische Schließung erfahren. Diese automatische Schließung der Drehflügeltüren 3 korrespondiert zum Schließbetrieb. Zu diesem Zweck ist der erfindungsgemäße Sicherheitsschrank mit einer Federeinheit 8, 9, 10 ausgerüstet. Die Federeinheit 8, 9, 10 sorgt dafür, dass beide Drehflügeltüren 3 wenigstens im Schließbetrieb in Richtung ihrer Schließstellung entsprechend der gestrichelten Darstellung in Fig. 3 kraftbeaufschlagt werden.In addition to the manual opening and closing movements of the swing doors 3 (normal operation), they can also experience an automatic closure. This automatic closure of the swing doors 3 corresponds to the closing operation. For this purpose, the safety cabinet according to the invention is equipped with a spring unit 8, 9, 10. The spring unit 8, 9, 10 ensures that both swing doors 3 at least in the closing operation in the direction of its closed position corresponding to the dashed line in FIG Fig. 3 be charged.

Im Gegensatz zum Stand der Technik ist die erfindungsgemäße Federeinheit 8, 9, 10 im Normalbetrieb funktional von dem Verbindungselement 5 entkoppelt.In contrast to the prior art, the spring unit 8, 9, 10 according to the invention is functionally decoupled from the connecting element 5 in normal operation.

Das heißt, normale Öffnungs- und Schließbewegungen der Drehflügeltüren 3, die manuell hervorgerufen werden, führen nicht zu einer Beaufschlagung des Federelementes 8, 9, 10 welches von den Bewegungen völlig unberührt bleibt. Nur im Schließbetrieb sorgt die Federeinheit 8, 9, 10 dafür, dass die Drehflügeltüren 3 in Richtung ihrer Schließstellung kraftbeaufschlagt werden und folglich automatisch eine Schließung erfahren.That is, normal opening and closing movements of the swing doors 3, which are caused manually, do not lead to a loading of the spring element 8, 9, 10 which remains completely untouched by the movements. Only in closing operation, the spring unit 8, 9, 10 ensures that the swing doors 3 are subjected to force in the direction of its closed position and thus automatically undergo a closure.

Im Detail behält die Federeinheit 8, 9, 10 im Normalbetrieb ständig ihre gespannte Position bei, wie sie insbesondere in der Fig. 3 deutlich zu erkennen ist. Zu dieser gespannten Federeinheit 8, 9, 10 im Normalbetrieb korrespondiert, dass eine Rollfeder 8 ihren gespannten respektive längserstreckten Zustand einnimmt, wie besonders die Fig. 3 zeigt. Zusätzlich weist die Federeinheit 8, 9, 10 einen Mitnehmer 10 auf, welcher mit dem Verbindungselement 5 im Schließbetrieb über einen an das Verbindungselement 5 angeschlossenen Anschlag 14 wechselwirkt. Der Schließbetrieb ist dadurch gekennzeichnet, dass die Rollfeder 8 ihren längserstreckten gespannten Zustand verlässt und sich aufrollt bzw. zusammenzieht.In detail, the spring unit 8, 9, 10 in normal operation constantly maintains its cocked position, as in particular in the Fig. 3 is clearly visible. Corresponds to this tensioned spring unit 8, 9, 10 in normal operation that a scroll spring 8 takes her stretched respectively elongated state, especially as the Fig. 3 shows. In addition, the spring unit 8, 9, 10 a driver 10, which interacts with the connecting element 5 in the closing operation via a connected to the connecting element 5 stop 14. The closing operation is characterized in that the scroll spring 8 leaves its longitudinally stretched state and curls up or contracts.

Beim Übergang der Rollfeder 8 von ihrem längserstreckten gespannten Zustand in die aufgerollte entspannte Position bewegt sich der endseitig der Rollfeder 8 angeschlossene Mitnehmer 10 in Richtung des in Fig. 2 angedeuteten Pfeiles. Hierbei vollführt der Mitnehmer 10 eine Linearbewegung, weil er entlang eines Linearführungselementes 9, vorliegend einer Führungsstange 9, eine Linearführung erfährt. Bei dieser Linearbewegung nimmt der Mitnehmer 10 den Anschlag 14 des Verbindungselementes 5 von seiner in der Fig. 3 gestrichelt gezeigten Position in die durchgezogene Position mit.At the transition of the scroll spring 8 from its elongated tensioned state in the rolled-up relaxed position, the end of the scroll spring 8 connected driver 10 moves in the direction of in Fig. 2 indicated arrow. In this case, the driver 10 performs a linear movement, because he learns along a linear guide element 9, in this case a guide rod 9, a linear guide. In this linear movement of the driver 10 takes the stop 14 of the connecting element 5 of his in the Fig. 3 dashed position shown in the solid position with.

Sofern bei Auslösung der Federeinheit 8, 9, 10 die Drehflügeltüren 3 geöffnet sind und sich folglich das Verbindungselement bzw. der Schlitten 5 in seiner gestrichelt in Fig. 3 angedeuteten Position befindet, sorgt die Rollfeder 8 in Verbindung mit dem Mitnehmer 10 dafür, dass das Verbindungselement 5 kraftbeaufschlagt seine eingezogene Position im Innern des Schrankkorpus 2 einnimmt, wie sie durchgezogen in der Fig. 3 dargestellt ist. Gleichzeitig werden bei diesem Vorgang die beiden Drehflügeltüren 3 geschlossen.If, upon release of the spring unit 8, 9, 10, the swing doors 3 are open and thus the connecting element or the carriage 5 in its dashed lines in Fig. 3 indicated position, the scroll spring 8 provides in Connection with the driver 10 for the fact that the connecting element 5 kraftbeaufschlagt occupies its retracted position in the interior of the cabinet body 2, as pulled through in the Fig. 3 is shown. At the same time the two swing doors 3 are closed in this process.

Die Auslösung der Rollfeder 8 kann beispielsweise dergestalt erfolgen, dass der Mitnehmer 10 im Normalbetrieb über einen Magneten festgehalten wird, welcher für den Schließbetrieb geöffnet wird, sodass sich im Anschluss hieran die Rollfeder 8 zusammenzieht und das Verbindungselement 5 wie beschrieben mitnimmt. Im Ausführungsbeispiel fällt der Schließbetrieb jedoch mit einem Brandfall zusammen. Denn der Mitnehmer 10 ist über ein Verbindungsmittel 11 an ein Fixierelement 12 angeschlossen, welches seinerseits am Schrankkorpus 2 festgelegt ist. Das Fixierelement 12 setzt sich nicht einschränkend aus zwei durch Schmelzlot miteinander verbundenen Metallplatten zusammen. Wird eine bestimmte (und durch das Schmelzlot vorgegebene) Temperatur überschritten, so löst sich die Verbindung der beiden Platten durch das Schmelzlot untereinander, sodass der Mitnehmer 10 von dem Fixierelement 12 freikommt und sich die Rollfeder 8 aufrollen kann. Hierbei wird der Mitnehmer 5 in seine zurückgezogene Stellung im Schrankkorpus 2 automatisch überführt.The triggering of the scroll spring 8 can for example take place such that the driver 10 is held in normal operation by a magnet, which is opened for the closing operation, so that thereafter the scroll spring 8 contracts and the connecting element 5 entrains as described. In the embodiment, however, the closing operation coincides with a fire. For the driver 10 is connected via a connecting means 11 to a fixing element 12, which in turn is fixed to the cabinet body 2. The fixing element 12 is not limited by two together by fusible link metal plates together. If a certain (and predetermined by the melt soldering temperature) exceeded, the connection of the two plates dissolves each other through the fusible link, so that the driver 10 is released from the fixing element 12 and the scroll spring 8 can roll up. Here, the driver 5 is automatically transferred to its retracted position in the cabinet body 2.

Die Figuren zeigen schließlich noch eine Schließfeder 13, welche die manuelle Schließbewegung der Drehflügeltüren 3 kurz vor Erreichen der Schließstellung dämpft. Hierauf kann selbstverständlich auch verzichtet werden.The figures finally show a closing spring 13 which dampens the manual closing movement of the swing doors 3 shortly before reaching the closed position. Of course, this can also be dispensed with.

Claims (10)

Schrank, insbesondere Sicherheitsschrank, mit wenigstens zwei Drehflügeltüren (3), welche gemeinsam an ein in einer Führung (7) verschiebbares Verbindungselement (5) angeschlossen sind, und mit einer Federeinheit (8, 9, 10), welche beide Drehflügeltüren (3) zumindest im Schließbetrieb in Richtung ihrer Schließstellung kraftbeaufschlagt, dadurch gekennzeichnet, dass die Federeinheit (8, 9, 10) im Normalbetrieb funktional von dem Verbindungselement (5) entkoppelt ist und dieses lediglich im Schließbetrieb beaufschlagt.Cabinet, in particular safety cabinet, with at least two hinged doors (3), which are connected together to a in a guide (7) displaceable connecting element (5), and with a spring unit (8, 9, 10), which both swing doors (3) at least in the closing operation in the direction of its closed position by force, characterized in that the spring unit (8, 9, 10) in normal operation is functionally decoupled from the connecting element (5) and this acts only in the closing operation. Schrank durch Anspruch 1, dadurch gekennzeichnet, dass die Federeinheit (8, 9, 10) im Normalbetrieb ständig ihre gespannte Position beibehält.Cabinet by claim 1, characterized in that the spring unit (8, 9, 10) in normal operation constantly maintains its cocked position. Schrank nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Federeinheit (8, 9, 10) parallel zu der Führung (7) des Verbindungselementes (5) vorzugsweise neben diesem angeordnet ist.Cabinet according to claim 1 or 2, characterized in that the spring unit (8, 9, 10) is arranged parallel to the guide (7) of the connecting element (5) preferably adjacent thereto. Schrank nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Federeinheit (8, 9, 10) im wesentlichen eine in gespanntem Zustand längserstreckte Rollfeder (8) und einen mit dem Verbindungselement (5) im Schließbetrieb wechselwirkenden Mitnehmer (10) aufweist.Cabinet according to one of claims 1 to 3, characterized in that the spring unit (8, 9, 10) substantially in the tensioned state elongated roller spring (8) and with the connecting element (5) interacting in the closing operation driver (10). Schrank nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Schließbetrieb der Federeinheit (8, 9, 10) zum Brandfall korrespondiert.Cabinet according to one of claims 1 to 4, characterized in that the closing operation of the spring unit (8, 9, 10) corresponds to a fire. Schrank nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das Verbindungselement (5) als gegenüber einem Boden oder einer Decke eines Schrankkorpus (2) linear verfahrbarer Schlitten (5) ausgebildet ist.Cabinet according to one of claims 1 to 5, characterized in that the connecting element (5) as compared to a floor or a ceiling of a cabinet body (2) linearly movable carriage (5) is formed. Schrank nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass das Verbindungselement (5) in zwei endseitigen Führungen (7) linear verschiebbar gelagert ist.Cabinet according to one of claims 1 to 6, characterized in that the connecting element (5) in two end guides (7) is mounted linearly displaceable. Schrank nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass jede Drehflügeltür (3) über eine eigene Schubstange (6) an das Verbindungselement (5) angeschlossen ist.Cabinet according to one of claims 1 to 7, characterized in that each swing door (3) via its own push rod (6) to the connecting element (5) is connected. Schrank nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass das Verbindungselement (5) und die jeweilige Schubstange (6) spiegelbildlich im Vergleich zu einer Zentralebene (Z) des Schrankkorpus (2) ausgeführt sind.Cabinet according to one of claims 1 to 8, characterized in that the connecting element (5) and the respective push rod (6) are designed in mirror image in comparison to a central plane (Z) of the cabinet body (2). Schrank nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass an das Verbindungselement (5) eine Schließfeder (13) angeschlossen ist, welche manuelle Schließbewegungen der Drehflügeltüren (3) kurz vor Erreichen der Schließstellung dämpft.Cabinet according to one of claims 1 to 9, characterized in that on the connecting element (5) has a closing spring (13) is connected, which dampens manual closing movements of the swing doors (3) shortly before reaching the closed position.
EP07014298A 2007-07-20 2007-07-20 Cabinet, in particular security cabinet Active EP2017420B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AT07014298T ATE445074T1 (en) 2007-07-20 2007-07-20 CUPBOARD, ESPECIALLY SAFETY CABINET
DE502007001692T DE502007001692D1 (en) 2007-07-20 2007-07-20 Cabinet, in particular safety cabinet
PL07014298T PL2017420T3 (en) 2007-07-20 2007-07-20 Cabinet, in particular security cabinet
EP07014298A EP2017420B1 (en) 2007-07-20 2007-07-20 Cabinet, in particular security cabinet
ES07014298T ES2333551T3 (en) 2007-07-20 2007-07-20 CABINET, ESCAPE SECURITY CABINET.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07014298A EP2017420B1 (en) 2007-07-20 2007-07-20 Cabinet, in particular security cabinet

Publications (2)

Publication Number Publication Date
EP2017420A1 true EP2017420A1 (en) 2009-01-21
EP2017420B1 EP2017420B1 (en) 2009-10-07

Family

ID=39938406

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07014298A Active EP2017420B1 (en) 2007-07-20 2007-07-20 Cabinet, in particular security cabinet

Country Status (5)

Country Link
EP (1) EP2017420B1 (en)
AT (1) ATE445074T1 (en)
DE (1) DE502007001692D1 (en)
ES (1) ES2333551T3 (en)
PL (1) PL2017420T3 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009002534U1 (en) 2009-02-21 2009-04-30 Düperthal Sicherheitstechnik Gmbh & Co. Kg Cabinet, in particular safety cabinet
WO2011117200A1 (en) * 2010-03-22 2011-09-29 Düperthal Sicherheitstechnik Gmbh & Co. Kg Cabinet, especially safety cabinet
WO2012019999A1 (en) * 2010-08-13 2012-02-16 Düperthal Sicherheitstechnik Gmbh & Co. Kg Cabinet, in particular safety cabinet
DE202012102233U1 (en) 2012-06-18 2012-07-11 Düperthal Sicherheitstechnik Gmbh & Co. Kg safety cabinet
DE202012102230U1 (en) 2012-06-18 2012-07-11 Düperthal Sicherheitstechnik Gmbh & Co. Kg safety cabinet

Citations (3)

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Publication number Priority date Publication date Assignee Title
DE10316656B3 (en) * 2003-04-11 2004-05-19 Asecos Gmbh Sicherheit Und Umweltschutz Security cabinet comprises a door connected via a connecting element to a drive allowing automatic opening and/or closing of the door
DE202004004855U1 (en) 2004-03-25 2004-08-12 Asecos Gmbh Security cupboard for home or office use, has folding or swing doors designed to be opened and closed simultaneously
DE102004021912A1 (en) * 2004-03-25 2005-10-13 Asecos Gmbh Safety cabinet used e.g. as a laboratory cabinet comprises a door connected to an electrically operated door-opening drive and a door-closing drive

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10316656B3 (en) * 2003-04-11 2004-05-19 Asecos Gmbh Sicherheit Und Umweltschutz Security cabinet comprises a door connected via a connecting element to a drive allowing automatic opening and/or closing of the door
DE202004004855U1 (en) 2004-03-25 2004-08-12 Asecos Gmbh Security cupboard for home or office use, has folding or swing doors designed to be opened and closed simultaneously
DE102004021912A1 (en) * 2004-03-25 2005-10-13 Asecos Gmbh Safety cabinet used e.g. as a laboratory cabinet comprises a door connected to an electrically operated door-opening drive and a door-closing drive

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009002534U1 (en) 2009-02-21 2009-04-30 Düperthal Sicherheitstechnik Gmbh & Co. Kg Cabinet, in particular safety cabinet
EP2221438A2 (en) 2009-02-21 2010-08-25 Düperthal Sicherheitstechnik GmbH & Co.KG Cabinet, in particular security cabinet
EP2221438A3 (en) * 2009-02-21 2011-04-20 Düperthal Sicherheitstechnik GmbH & Co.KG Cabinet, in particular security cabinet
US8651595B2 (en) 2009-02-21 2014-02-18 Dueperthal Sicherheitstechnik GmbH & Co.KG et al Cabinet, in particular safety cabinet
WO2011117200A1 (en) * 2010-03-22 2011-09-29 Düperthal Sicherheitstechnik Gmbh & Co. Kg Cabinet, especially safety cabinet
WO2012019999A1 (en) * 2010-08-13 2012-02-16 Düperthal Sicherheitstechnik Gmbh & Co. Kg Cabinet, in particular safety cabinet
DE202012102233U1 (en) 2012-06-18 2012-07-11 Düperthal Sicherheitstechnik Gmbh & Co. Kg safety cabinet
DE202012102230U1 (en) 2012-06-18 2012-07-11 Düperthal Sicherheitstechnik Gmbh & Co. Kg safety cabinet
DE202012102586U1 (en) 2012-06-18 2012-08-09 Düperthal Sicherheitstechnik Gmbh & Co. Kg safety cabinet
EP2677099A2 (en) 2012-06-18 2013-12-25 Düperthal Sicherheitstechnik GmbH & Co.KG Safety cabinet
EP2677104A2 (en) 2012-06-18 2013-12-25 Düperthal Sicherheitstechnik GmbH & Co.KG Safety cabinet
EP2677104A3 (en) * 2012-06-18 2015-10-07 Düperthal Sicherheitstechnik GmbH & Co.KG Safety cabinet

Also Published As

Publication number Publication date
ES2333551T3 (en) 2010-02-23
PL2017420T3 (en) 2010-03-31
EP2017420B1 (en) 2009-10-07
DE502007001692D1 (en) 2009-11-19
ATE445074T1 (en) 2009-10-15

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