EP1739264B1 - Valve for a drive control of a door or window leaf - Google Patents

Valve for a drive control of a door or window leaf Download PDF

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Publication number
EP1739264B1
EP1739264B1 EP06116038A EP06116038A EP1739264B1 EP 1739264 B1 EP1739264 B1 EP 1739264B1 EP 06116038 A EP06116038 A EP 06116038A EP 06116038 A EP06116038 A EP 06116038A EP 1739264 B1 EP1739264 B1 EP 1739264B1
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EP
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Prior art keywords
valve
valve body
hydraulic
valves
housing
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EP06116038A
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German (de)
French (fr)
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EP1739264A2 (en
EP1739264A3 (en
Inventor
Peter Buk
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Geze GmbH
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Geze GmbH
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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
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
    • E05F3/12—Special devices controlling the circulation of the liquid, e.g. valve arrangement
    • 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
    • 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
    • E05Y2201/252—Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore characterised by type of friction
    • E05Y2201/254—Fluid or viscous friction
    • 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
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13—Application of doors, windows, wings or fittings thereof for buildings or parts thereof characterised by the type of wing
    • E05Y2900/132—Doors

Definitions

  • the invention relates to a valve for a drive of a wing of a door or a window according to the preamble of claim 1.
  • a drive for the wing of a door with a housing and filled with a hydraulic fluid receiving space.
  • the drive has in the receiving space a against the force of a spring slidably mounted piston, which cooperates with an output shaft for wing operation.
  • In the drive housing further bores are arranged, which allow an overflow of the hydraulic fluid from one piston side to the other.
  • a valve for throttling the flow velocity in the closing and in the opening direction is arranged in these hydraulic channels.
  • the GB 2 193 757 A discloses a door closer, with a piston, which is displaceably guided in a piston chamber filled with a hydraulic fluid, and with a further space in which a compressible airbag is as energy storage.
  • the piston chamber and the other space are connected by hydraulic channels, in which valves are arranged to control the door closer.
  • valves require multiple holes, and a larger housing is required for space.
  • EP 1293633A2 shows a door closer with a housing, a linearly displaceably guided in the housing piston and a hydraulic damping device, wherein the housing interior is filled with a damping medium, and wherein the housing interior is liquid-tightly divided by the piston in at least two housing chambers.
  • an overflow valve and an additional pressure relief valve arranged, which is effective in a resulting by manual overpressure of the door in the closing direction overpressure of the damping medium in a housing chamber by the damping medium drains in addition to the damping device via the pressure relief valve from the housing chamber.
  • the pressure relief valve and the spill valve are combined in a valve body of a valve disposed in a piston bore of the piston, wherein the valve body is slidably guided in the piston bore, and having a seal which cooperates directly with the inner surface of the piston bore by the valve body in a End position of its displacement area liquid-tight against the inner surface of the piston bore seals.
  • the DE 100 46 914 A1 shows a hydraulic arrangement for actuating moving parts on vehicles, such as rear covers or covers, with a double-acting hydraulic working cylinder for the moving part, a pump for the hydraulic medium, a valve-nozzle arrangement for controlling the pressure build-up in the system and a second valve Nozzle arrangement for the alternative control of the two working chambers of the working cylinder and with a tank for the hydraulic medium.
  • a hydraulic arrangement for actuating moving parts on vehicles such as rear covers or covers
  • a double-acting hydraulic working cylinder for the moving part
  • a pump for the hydraulic medium a valve-nozzle arrangement for controlling the pressure build-up in the system
  • a second valve Nozzle arrangement for the alternative control of the two working chambers of the working cylinder and with a tank for the hydraulic medium.
  • the invention has for its object to produce a cost-effective valve assembly.
  • a hydraulic door operator has a piston, which is arranged in a housing and acted on by a spring, which cooperates with a shaft on which a lever for actuating a door is arranged.
  • the lever When opening the door, the lever is actuated, and stretched over the shaft and the piston, the spring applied to the piston.
  • an electro-hydraulic actuator may be provided to allow a motorized opening of the wing.
  • the hydraulic fluid in the housing must flow over the hydraulic channels and valves from one side of the piston to the other as the piston chambers on both sides of the piston change as a result of its displacement. In this case, the slightest possible overflow of the hydraulic fluid is made possible when opening the door in order to achieve an unrestrained operation of the door.
  • two valves are arranged so that a second valve is located in a first valve.
  • a valve seat is formed, which is associated with the first valve.
  • the hydraulic fluid can flow from one hydraulic channel into another hydraulic channel.
  • sealing elements are arranged on the valve body, which seal the valve to the outside against the housing and against not the valve associated hydraulic channels.
  • the valve body is arranged in a bore in the housing, in which a thread is introduced, whereby the valve passage can be adjusted by turning with a tool.
  • the second valve is arranged to save space in the first valve.
  • a thread is present in the valve body of the first valve, in which the valve body of the second valve is adjustably received.
  • a seal is arranged, which seals the valve body to the outside against the valve body of the first valve.
  • a valve seat is formed, which cooperates with the valve body of the second valve.
  • the first valve has recesses, through which hydraulic fluid passes to the second valve, and can flow over the valve seat.
  • the valves may each have a passageway that allows a forced flow when the valve is closed, so that the respective function of the drive is not completely blocked.
  • a section of a housing 1 of a door drive is shown in a sectional view.
  • hydraulic channels 2, 2 ', 2 ", 2'” are arranged, which allow an overflow of hydraulic fluid.
  • the overflow can be regulated to control the door drive by valves 5, 6 arranged in the hydraulic passages 2, 2 ', 2 ", 2'".
  • a connection 17 for connecting a hydraulic pump can be present on the hydraulic channel 2 '.
  • 6 are arranged so that a valve body 6 'of the second valve 6 in a valve body 5' of the first valve. 5 located.
  • a valve seat 10 associated with the valve 5 is formed in the housing 1.
  • the hydraulic fluid can flow into the hydraulic passage 2 'can be arranged on the valve body 5', which allows a forced flow when the valve 5 is closed, so that the drive is not completely blocked with a counterforce on the wing.
  • valve body 5 'sealing elements 9, 9' are arranged, which seal the valve 5 against the housing 1.
  • the sealing element 9 seals the hydraulic channels 2 "and 2 '" against each other.
  • the sealing element 9 'seals the hydraulic channel 2'"outwards, the valve body 5 'being in a bore in the housing 1 arranged, in which a thread 7 is introduced.
  • the valve 6 is arranged to save space in the valve 5.
  • a thread 12 is present in the valve body 5 ', in which the valve body 6' is adjustably received.
  • the valve 6 in the valve body 6 ' also, for example, a slot 16 for engagement of a tool.
  • a valve seat 14 is formed, which cooperates with the valve body 6' and forms the valve 6.
  • the valve body 5 ' has recesses 8 through which hydraulic fluid can flow from the hydraulic channel 2' "to the valve 6 and can flow over into the channel 2 'via the valve seat 14.
  • valve body 6 It is likewise possible to form a flow channel 11 on the valve body 6', which allows an overflow of hydraulic fluid even when the valve 6 is completely closed, and the flow passage 11 can also be formed on the valve seat 14 of the valve body 5.
  • the valve 6 has on the valve body 6 'a sealing element 13 which seals the valve 6 to the outside.
  • the thread 7, in which the valve body 5 'is rotatably arranged can have a smaller pitch than the thread 12 in which the valve body 6 'of the valve 6 is arranged.
  • the larger passage cross section of the outer valve 5 can be compensated.
  • valve body 5 does not adjoin an adjustment operation of the valve 6.
  • the valve body 6 rotates in the valve body 5', so that the valve body 6 'remains unchanged in its position in the valve body 5'.
  • the adjustability of the valves can also be influenced. This is the adjustability the adjustment of the respective other valve 6, 5.
  • the setting can also be achieved or supported by different pitches of the thread 7, 12.

Abstract

The device has two valves (5, 6) arranged adjustably in hydraulic channels (2`, 2``, 2```), where hydraulic fluids of a door drive flows through the channels. The two valves have two valve bodies (5`, 6`) respectively, where the valve body (6`) is arranged in the valve body (5`). The valve (6) has a valve seat (14) that is arranged in the body (5`). The channel (2```) is connected with the valve (6) through recesses of the body (5`).

Description

Die Erfindung betrifft ein Ventil für einen Antrieb eines Flügels einer Tür oder eines Fensters nach dem Oberbegriff des Anspruchs 1.The invention relates to a valve for a drive of a wing of a door or a window according to the preamble of claim 1.

Aus der DE 32 03 390 C2 ist ein Antrieb für den Flügel einer Tür bekannt, mit einem Gehäuse und einem mit einer Hydraulikflüssigkeit gefüllten Aufnahmeraum. Der Antrieb weist im Aufnahmeraum einen gegen die Kraft einer Feder verschiebbar angeordneten Kolben auf, der mit einer Abtriebswelle zur Flügelbetätigung zusammenwirkt. Im Antriebsgehäuse sind weiterhin Bohrungen angeordnet, welche ein Überströmen der Hydraulikflüssigkeit von einer Kolbenseite zur anderen ermöglichen. Zur Steuerung der Flügelbewegung ist in diesen Hydraulikkanälen jeweils ein Ventil zur Drosselung der Fließgeschwindigkeit in Schließ- und in Öffnungsrichtung angeordnet.From the DE 32 03 390 C2 is known a drive for the wing of a door, with a housing and filled with a hydraulic fluid receiving space. The drive has in the receiving space a against the force of a spring slidably mounted piston, which cooperates with an output shaft for wing operation. In the drive housing further bores are arranged, which allow an overflow of the hydraulic fluid from one piston side to the other. In order to control the wing movement, in each case a valve for throttling the flow velocity in the closing and in the opening direction is arranged in these hydraulic channels.

Die GB 2 193 757 A offenbart einen Türschließer, mit einem Kolben, welcher in einem mit einer Hydraulikflüssigkeit gefüllten Kolbenraum verschiebbar geführt ist, und mit einem weiteren Raum, in dem sich ein komprimierbarer Luftsack als Energiespeicher befindet. Der Kolbenraum und der weitere Raum sind durch Hydraulikkanäle verbunden, in denen Ventile zur Steuerung des Türschließers angeordnet sind.The GB 2 193 757 A discloses a door closer, with a piston, which is displaceably guided in a piston chamber filled with a hydraulic fluid, and with a further space in which a compressible airbag is as energy storage. The piston chamber and the other space are connected by hydraulic channels, in which valves are arranged to control the door closer.

Durch die Verwendung von zwei Ventilen sind mehrere Bohrungen herzustellen, und aus Platzgründen ist ein größeres Gehäuse erforderlich.The use of two valves requires multiple holes, and a larger housing is required for space.

Aus der EP 1 293 633 A2 ist ein Türschließer zum Schließen eines Türflügels bekannt, der alle Merkmale des Oberbegriffs des Anspruchs 1 zeigt. EP 1293633A2 zeigt einen Türschließer mit einem Gehäuse, einem in dem Gehäuse linear verschiebbar geführten Kolben und einer hydraulischen Dämpfungseinrichtung, wobei der Gehäuseinnenraum mit einem Dämpfungsmedium gefüllt ist, und wobei der Gehäuseinnenraum durch den Kolben flüssigkeitsdicht in mindestens zwei Gehäusekammern unterteilt ist. Im Kolben ist für die Durchströmung durch das Dämpfungsmedium beim Öffnen des Türflügels ein Überströmventil sowie ein zusätzliches Überdruckventil angeordnet, welches bei einem durch manuelles Überdrücken des Türflügels in Schließrichtung entstehenden Überdruck des Dämpfungsmediums in einer Gehäusekammer wirksam wird, indem das Dämpfungsmedium zusätzlich zu der Dämpfungseinrichtung über das Überdruckventil aus der Gehäusekammer abfließt. Das Überdruckventil und das Überströmventil sind zusammengefasst in einem Ventilkörper eines Ventils in einer Kolbenbohrung des Kolbens angeordnet, wobei der Ventilkörper in der Kolbenbohrung verschiebbar geführt ist, und eine Dichtung aufweist, die direkt mit der Innenfläche der Kolbenbohrung zusammenwirkt, indem die Dichtung den Ventilkörper in einer Endstellung seines Verschiebebereiches flüssigkeitsdicht gegenüber der Innenfläche der Kolbenbohrung abdichtet.From the EP 1 293 633 A2 a door closer is known for closing a door leaf, showing all the features of the preamble of claim 1. EP 1293633A2 shows a door closer with a housing, a linearly displaceably guided in the housing piston and a hydraulic damping device, wherein the housing interior is filled with a damping medium, and wherein the housing interior is liquid-tightly divided by the piston in at least two housing chambers. In the piston is for the flow through the damping medium when opening the door, an overflow valve and an additional pressure relief valve arranged, which is effective in a resulting by manual overpressure of the door in the closing direction overpressure of the damping medium in a housing chamber by the damping medium drains in addition to the damping device via the pressure relief valve from the housing chamber. The pressure relief valve and the spill valve are combined in a valve body of a valve disposed in a piston bore of the piston, wherein the valve body is slidably guided in the piston bore, and having a seal which cooperates directly with the inner surface of the piston bore by the valve body in a End position of its displacement area liquid-tight against the inner surface of the piston bore seals.

Die DE 100 46 914 A1 zeigt eine hydraulische Anordnung zur Betätigung von beweglichen Teilen an Fahrzeugen, wie von Heckdeckeln oder Verdecken, mit einem doppeltwirkenden hydraulischen Arbeitszylinder für den beweglichen Teil, einer Pumpe für das Hydraulikmedium, einer Ventil-Düse-Anordnung zur Steuerung des Druckaufbaus im System und einer zweiten Ventil-Düsen-Anordnung zur alternativen Ansteuerung der beiden Arbeitsräume des Arbeitszylinders sowie mit einem Tank für das Hydraulikmedium. In der kolbenseitigen Druckleitung vor der zweiten Ventil-Düsen-Anordnung ist eine Anordnung aus zwei parallelen, gegensinnig orientierten Rückschlagventilen eingeschaltet, wobei das in Richtung Tank öffnende Rückschlagventil als Vorspannventil ausgeführt ist.The DE 100 46 914 A1 shows a hydraulic arrangement for actuating moving parts on vehicles, such as rear covers or covers, with a double-acting hydraulic working cylinder for the moving part, a pump for the hydraulic medium, a valve-nozzle arrangement for controlling the pressure build-up in the system and a second valve Nozzle arrangement for the alternative control of the two working chambers of the working cylinder and with a tank for the hydraulic medium. In the piston-side pressure line before the second valve-nozzle arrangement, an arrangement of two parallel, oppositely oriented check valves is turned on, wherein the direction of the tank-opening check valve is designed as a biasing valve.

Der Erfindung liegt die Aufgabe zugrunde, eine kostengünstige Ventilanordnung herzustellen.The invention has for its object to produce a cost-effective valve assembly.

Die Aufgabe wird durch die Merkmale des Anspruchs 1 gelöst.The object is solved by the features of claim 1.

Die Unteransprüche bilden vorteilhafte Ausgestaltungsmöglichkeiten der Erfindung.The subclaims form advantageous embodiments of the invention.

Ein hydraulischer Türantrieb weist einen in einem Gehäuse angeordneten, mit einer Feder beaufschlagten Kolben auf, welcher mit einer Welle zusammenwirkt, an der ein Hebel zum Betätigen einer Tür angeordnet ist. Beim Öffnen der Tür wird der Hebel betätigt, und über die Welle und den Kolben die am Kolben anliegende Feder gespannt. Alternativ kann auch z. B. eine elektrohydraulische Betätigung vorgesehen sein, um ein motorisches Öffnen des Flügels zu ermöglichen. Die im Gehäuse befindliche Hydraulikflüssigkeit muss über Hydraulikkanäle und Ventile von einer Kolbenseite auf die andere überströmen, da sich die Kolbenräume beiderseits des Kolbens durch dessen Verschiebung verändern. Dabei wird beim Öffnen der Tür ein möglichst leichtes Überströmen der Hydraulikflüssigkeit ermöglicht, um ein ungebremstes Betätigen der Tür zu erzielen. Beim selbsttätigen Schließen der Tür, durch das Entspannen der beim Öffnen gespannten Feder, wird der Kolben wieder in seine Ausgangslage zurückgeführt, wobei die Hydraulikflüssigkeit wiederum überströmen muss. Durch die Anordnung von Hydraulikkanälen mit Ventilen kann der Schließvorgang gebremst erfolgen, wobei mehrere Phasen des Schließvorgangs mit unterschiedlichen Schließgeschwindigkeiten möglich sind.A hydraulic door operator has a piston, which is arranged in a housing and acted on by a spring, which cooperates with a shaft on which a lever for actuating a door is arranged. When opening the door, the lever is actuated, and stretched over the shaft and the piston, the spring applied to the piston. Alternatively, z. B. an electro-hydraulic actuator may be provided to allow a motorized opening of the wing. The hydraulic fluid in the housing must flow over the hydraulic channels and valves from one side of the piston to the other as the piston chambers on both sides of the piston change as a result of its displacement. In this case, the slightest possible overflow of the hydraulic fluid is made possible when opening the door in order to achieve an unrestrained operation of the door. When automatically closing the door, by relaxing the tensioned when opening spring, the piston is returned to its original position, the hydraulic fluid must overflow again. The arrangement of hydraulic channels with valves, the closing process can be slowed down, with several phases of the closing operation with different closing speeds are possible.

Um kostengünstige, möglichst wenige und kurze Hydraulikkanäle im Gehäuse des Türantriebs auszubilden, werden zwei Ventile so angeordnet, dass sich ein zweites Ventil in einem ersten Ventil befindet.In order to form cost-effective, as few and short hydraulic channels in the housing of the door drive, two valves are arranged so that a second valve is located in a first valve.

Im Gehäuse ist dabei ein Ventilsitz ausgebildet, welcher dem ersten Ventil zugeordnet ist. Durch einen zwischen einem Ventilkörper des Ventils und dem Ventilsitz bestehenden Spalt kann die Hydraulikflüssigkeit von einem Hydraulikkanal in einen anderen Hydraulikkanal strömen.In the housing, a valve seat is formed, which is associated with the first valve. By means of a gap existing between a valve body of the valve and the valve seat, the hydraulic fluid can flow from one hydraulic channel into another hydraulic channel.

Weiterhin sind am Ventilkörper Dichtelemente angeordnet, welche das Ventil nach außen hin gegen das Gehäuse und gegen nicht dem Ventil zugeordneten Hydraulikkanälen abdichten. Der Ventilkörper ist in einer Bohrung im Gehäuse angeordnet, in welche ein Gewinde eingebracht ist, wodurch der Ventildurchlass durch Drehen mit einem Werkzeug verstellt werden kann.Furthermore, sealing elements are arranged on the valve body, which seal the valve to the outside against the housing and against not the valve associated hydraulic channels. The valve body is arranged in a bore in the housing, in which a thread is introduced, whereby the valve passage can be adjusted by turning with a tool.

Das zweite Ventil ist platzsparend im ersten Ventil angeordnet. Dazu ist im Ventilkörper des ersten Ventils ein Gewinde vorhanden, in welchem der Ventilkörper des zweite Ventils verstellbar aufgenommen ist. Am zweiten Ventilkörper ist eine Dichtung angeordnet, die den Ventilkörper nach außen hin gegen den Ventilkörper des ersten Ventils abgedichtet. Im ersten Ventil ist ein Ventilsitz ausgebildet, welcher mit dem Ventilkörper des zweiten Ventils zusammenwirkt. Das erste Ventil weist Aussparungen auf, durch welche Hydraulikflüssigkeit zum zweiten Ventil gelangt, und über dessen Ventilsitz überströmen kann. Die Ventile können jeweils einen Durchlasskanal aufweisen, der bei geschlossenem Ventil einen Zwangsdurchfluss ermöglicht, damit die jeweilige Funktion des Antriebs nicht vollständig blockiert wird.The second valve is arranged to save space in the first valve. For this purpose, a thread is present in the valve body of the first valve, in which the valve body of the second valve is adjustably received. On the second valve body, a seal is arranged, which seals the valve body to the outside against the valve body of the first valve. In the first valve, a valve seat is formed, which cooperates with the valve body of the second valve. The first valve has recesses, through which hydraulic fluid passes to the second valve, and can flow over the valve seat. The valves may each have a passageway that allows a forced flow when the valve is closed, so that the respective function of the drive is not completely blocked.

Durch verschiedene Steigungen der Gewinde, in welchem die jeweiligen Ventilkörper der Ventile aufgenommen sind, wird erreicht, dass sich bei gleicher Verstellung - beispielsweise um eine Umdrehung - der Durchlassquerschnitt beider Ventile gleich verändert. Damit wird der größere Durchlassquerschnitt des ersten, äußeren Ventils ausgeglichen.Through different pitches of the thread, in which the respective valve body of the valves are accommodated, it is achieved that, with the same adjustment - for example, one revolution - the passage cross section of the two valves changed the same. Thus, the larger passage cross section of the first, outer valve is compensated.

Durch die Verwendung zweier Dichtelemente am ersten Ventil und nur eines Dichtelements am zweiten Ventil wird erreicht, dass sich das erste Ventil, aufgrund der unterschiedlichen Haftreibung bei einer Verstellbetätigung des zweiten Ventils, nicht mitverstellt. Ebenso bleibt der Ventilkörper des zweiten Ventils in seiner Lage im ersten Ventil unverändert, wenn das erste Ventil verstellt wird. Durch die Wahl unterschiedlicher Werkstoffe für die Dichtelemente kann diese Einstellbarkeit der Ventile beeinflusst werden. Auch durch die unterschiedliche Steigungen der Gewinde, in welchen die Ventilkörper aufgenommen sind, kann die Wirkung verändert werden.By using two sealing elements on the first valve and only one sealing element on the second valve is achieved that the first valve, due to the different static friction at a Verstellbetätigung the second valve, not mitverstellt. Likewise, the valve body of the second valve remains unchanged in its position in the first valve when the first valve is adjusted. By choosing different materials for the sealing elements, this adjustability of the valves can be influenced. Also, by the different pitches of the threads in which the valve body are added, the effect can be changed.

Im Nachfolgenden wird ein Ausführungsbeispiel in der Zeichnung anhand der Figuren näher erläutert.In the following an embodiment in the drawing with reference to the figures will be explained in more detail.

Dabei zeigen:

Fig. 1
einen Ausschnitt eines Schnitts durch das Gehäuse eines Türantriebs mit einem erfindungsgemäßen Ventil;
Fig. 2
das Ventil gemäß Fig. 1 in vergrößerter Darstellung mit einer Ansicht auf das Ventil gemäß Pfeil A in Fig. 1.
Showing:
Fig. 1
a section of a section through the housing of a door drive with a valve according to the invention;
Fig. 2
the valve according to Fig. 1 in an enlarged view with a view of the valve according to arrow A in Fig. 1 ,

In der Fig. 1 ist ein Ausschnitt eines Gehäuses 1 eines Türantriebs in geschnittener Darstellung gezeigt. Im Gehäuse 1 sind Hydraulikkanäle 2, 2', 2", 2'" angeordnet, welche ein Überströmen von Hydraulikflüssigkeit ermöglichen. Das Überströmen kann zur Steuerung des Türantriebs durch in den Hydraulikkanälen 2, 2', 2", 2'" angeordnete Ventile 5, 6 reguliert werden. Am Hydraulikkanal 2' kann dabei ein Anschluss 17 zum Anschluss einer Hydraulikpumpe vorhanden sein. Um kostengünstig möglichst wenige und kurze Hydraulikkanäle 2, 2', 2", 2'" ausbilden zu können, werden die Ventile 5, 6 so angeordnet, dass sich ein Ventilkörper 6' des zweiten Ventils 6 in einem Ventilkörper 5' des ersten Ventils 5 befindet. Die Hydraulikkanäle 2, 2', 2" werden in das Gehäuse 1 von außen eingebracht und beispielsweise mit Kugeln 3 als Verschlusselemente abgedichtet. Zwischen den Hydraulikkanälen 2, 2', 2" untereinander und zu den Kolbenräumen hin können Bohrungen 4 angeordnet sein.In the Fig. 1 a section of a housing 1 of a door drive is shown in a sectional view. In the housing 1 hydraulic channels 2, 2 ', 2 ", 2'" are arranged, which allow an overflow of hydraulic fluid. The overflow can be regulated to control the door drive by valves 5, 6 arranged in the hydraulic passages 2, 2 ', 2 ", 2'". In this case, a connection 17 for connecting a hydraulic pump can be present on the hydraulic channel 2 '. In order to cost as few and short hydraulic channels 2, 2 ', 2 ", 2'" to be able to form the valves 5, 6 are arranged so that a valve body 6 'of the second valve 6 in a valve body 5' of the first valve. 5 located. The hydraulic channels 2, 2 ', 2 "are introduced from the outside into the housing 1 and sealed, for example, with balls 3 as closure elements. Holes 4 can be arranged between the hydraulic channels 2, 2', 2" with one another and with the piston chambers.

Wie es in der Fig. 2 vergrößert dargestellt ist, strömt dem äußeren Ventil 5 über den Hydraulikkanal 2" Hydraulikflüssigkeit zu. Im Gehäuse 1 ist dabei ein dem Ventil 5 zugeordneter Ventilsitz 10 ausgebildet. Durch den zwischen dem Ventilkörper 5' und dem Ventilsitz 10 bestehenden Spalt kann die Hydraulikflüssigkeit in den Hydraulikkanal 2' abströmen. Am Ventilkörper 5' kann ein Durchlasskanal 11 angeordnet sein, der bei geschlossenem Ventil 5 einen Zwangsdurchfluss ermöglicht, damit der Antrieb bei einer Gegenkraft auf den Flügel nicht vollständig blockiert wird.As it is in the Fig. 2 In the housing 1, a valve seat 10 associated with the valve 5 is formed in the housing 1. By means of the gap existing between the valve body 5 'and the valve seat 10, the hydraulic fluid can flow into the hydraulic passage 2 'can be arranged on the valve body 5', which allows a forced flow when the valve 5 is closed, so that the drive is not completely blocked with a counterforce on the wing.

Am Ventilkörper 5' sind Dichtelemente 9, 9' angeordnet, welche das Ventil 5 gegen das Gehäuse 1 abdichten. Dabei dichtet das Dichtelement 9 die Hydraulikkanäle 2" und 2'" gegeneinander ab. Das Dichtelement 9' dichtet den Hydraulikkanal 2'" nach außen hin ab. Der Ventilkörper 5' ist in einer Bohrung im Gehäuse 1 angeordnet, in welche ein Gewinde 7 eingebracht ist. Durch Verdrehen des Ventilkörpers 5' - durch den Eingriff mit einem Werkzeug in einen Schlitz 15 - ist die Lage des Ventilkörpers 5' in Richtung auf den im Gehäuse 1 ausgebildeten Ventilsitz 10 veränderbar.On the valve body 5 'sealing elements 9, 9' are arranged, which seal the valve 5 against the housing 1. The sealing element 9 seals the hydraulic channels 2 "and 2 '" against each other. The sealing element 9 'seals the hydraulic channel 2'"outwards, the valve body 5 'being in a bore in the housing 1 arranged, in which a thread 7 is introduced. By turning the valve body 5 '- by engagement with a tool in a slot 15 - the position of the valve body 5' in the direction of the formed in the housing 1 valve seat 10 is variable.

Das Ventil 6 ist platzsparend im Ventil 5 angeordnet. Dazu ist im Ventilkörper 5' ein Gewinde 12 vorhanden, in welchem der Ventilkörper 6' verstellbar aufgenommen ist. Zur Verstellung weist das Ventil 6 im Ventilkörper 6' ebenfalls beispielsweise einen Schlitz 16 zum Eingriff eines Werkzeuges auf. Im Ventilkörper 5' ist ein Ventilsitz 14 ausgebildet, welcher mit dem Ventilkörper 6' zusammenwirkt und das Ventil 6 bildet. Der Ventilkörper 5' weist Aussparungen 8 auf, durch welche Hydraulikflüssigkeit aus dem Hydraulikkanal 2'" zum Ventil 6 gelangt, und über den Ventilsitz 14 in den Kanal 2' überströmen kann. Es ist ebenfalls möglich, am Ventilkörper 6' einen Durchflusskanal 11 auszubilden, welcher auch bei vollständig geschlossenem Ventil 6 ein Überströmen von Hydraulikflüssigkeit ermöglicht. Der Durchflusskanal 11 kann auch am Ventilsitz 14 des Ventilkörpers 5' ausgebildet sein. Das Ventil 6 weist am Ventilkörper 6' ein Dichtelement 13 auf, welches das Ventil 6 nach außen hin abdichtet.The valve 6 is arranged to save space in the valve 5. For this purpose, a thread 12 is present in the valve body 5 ', in which the valve body 6' is adjustably received. For adjustment, the valve 6 in the valve body 6 'also, for example, a slot 16 for engagement of a tool. In the valve body 5 ', a valve seat 14 is formed, which cooperates with the valve body 6' and forms the valve 6. The valve body 5 'has recesses 8 through which hydraulic fluid can flow from the hydraulic channel 2' "to the valve 6 and can flow over into the channel 2 'via the valve seat 14. It is likewise possible to form a flow channel 11 on the valve body 6', which allows an overflow of hydraulic fluid even when the valve 6 is completely closed, and the flow passage 11 can also be formed on the valve seat 14 of the valve body 5. The valve 6 has on the valve body 6 'a sealing element 13 which seals the valve 6 to the outside.

Um bei beiden Ventilen 5, 6 bei gleicher Verstellung, beispielsweise um eine Umdrehung, die gleiche Veränderung im Durchlassquerschnitt für die Hydraulikflüssigkeit zu erzielen, kann das Gewinde 7, in welchem der Ventilkörper 5' drehbar angeordnet ist, eine geringere Steigung aufweisen als das Gewinde 12, in welchem der Ventilkörper 6' des Ventils 6 angeordnet ist. Dadurch kann der größere Durchlassquerschnitt des äußeren Ventils 5 kompensiert werden.In order to achieve the same change in the passage cross section for the hydraulic fluid in the case of both valves 5, 6 with the same adjustment, for example by one revolution, the thread 7, in which the valve body 5 'is rotatably arranged, can have a smaller pitch than the thread 12 in which the valve body 6 'of the valve 6 is arranged. As a result, the larger passage cross section of the outer valve 5 can be compensated.

Durch die Verwendung zweier Dichtelemente 9, 9' am Ventilkörper 5' und eines Dichtelements 13 am Ventilkörper 6', wird erreicht, dass sich das Ventil 5 bei einer Verstellbetätigung des Ventils 6 nicht mitverstellt. Ebenso, dass sich bei einem Verstellen des Ventils 5 der Ventilkörper 6' im Ventilkörper 5' mitdreht, so dass der Ventilkörper 6' in seiner Lage im Ventilkörper 5' unverändert bleibt. Durch die Wahl unterschiedlicher Werkstoffe für die Dichtelemente 9, 9', 13 kann die Einstellbarkeit der Ventile ebenfalls beeinflusst werden. Damit ist die Verstellbarkeit der Ventile 5, 6 unabhängig von der Verstellung des jeweils anderen Ventils 6, 5. Die Einstellung kann auch durch unterschiedliche Steigungen der Gewinde 7, 12 erreicht bzw. unterstützt werden.Through the use of two sealing elements 9, 9 'on the valve body 5' and a sealing element 13 on the valve body 6 ', it is achieved that the valve 5 does not adjoin an adjustment operation of the valve 6. Likewise, that with an adjustment of the valve 5, the valve body 6 'rotates in the valve body 5', so that the valve body 6 'remains unchanged in its position in the valve body 5'. By choosing different materials for the sealing elements 9, 9 ', 13, the adjustability of the valves can also be influenced. This is the adjustability the adjustment of the respective other valve 6, 5. The setting can also be achieved or supported by different pitches of the thread 7, 12.

Liste der ReferenzzeichenList of reference characters

11
Gehäusecasing
2 bis 2'"2 to 2 '"
Hydraulikkanälehydraulic channels
33
Verschlusselementclosure element
44
Bohrungdrilling
55
VentilValve
5'5 '
Ventilkörpervalve body
66
VentilValve
6'6 '
Ventilkörpervalve body
77
Gewindethread
88th
Aussparungrecess
9, 9'9, 9 '
Dichtelementsealing element
1010
Ventilsitzvalve seat
1111
DurchlasskanalPassageway
1212
Gewindethread
1313
Dichtelementsealing element
1414
Ventilsitzvalve seat
1515
Schlitzslot
1616
Schlitzslot
1717
Anschlussconnection

Claims (7)

  1. Control device for a hydraulic door drive, comprising at least two valves (5, 6) and comprising hydraulic channels (2, 2', 2'', 2''') through which the hydraulic fluid of the door drive can flow and in which the valves (5, 6) are arranged in a regulating manner, a valve body (6') of the second valve (6) being arranged in a valve body (5') of the first valve (5), characterized in that the valves (5, 6) are adjustable with respect to their passage, wherein, during the adjustment of the first valve (5), the second valve (6) is moved along by a sealing element (13) arranged on the valve body (6') of the second valve (6) and intended for sealing with respect to the valve body (5') of the first valve (5), as a result of which the position of the valve body (6') of the second valve (6) inside the valve body (5') of the first valve (5) remains unchanged.
  2. Control device according to Claim 1, characterized in that, during the adjustment of the second valve (6), the valve body (5') of the first valve (5) remains unchanged in its position in the housing (1) due to the sealing elements (9, 9').
  3. Control device according to Claim 1, characterized in that the valve seat (14) of the second valve (6) is formed in the valve body (5') of the first valve (5).
  4. Control device according to Claim 1, characterized in that the valve body (5') of the first valve (5) has apertures (8) through which the hydraulic channel (2''') is connected to the second valve (6).
  5. Control device according to Claim 1, characterized in that a further sealing element (9) is arranged on the valve body (5') of the first valve (5) for sealing the hydraulic channel (2'') assigned to the first valve (5) relative to the hydraulic channel (2''') assigned to the second valve (6).
  6. Control device according to Claim 1, characterized in that the valve seat (10) of the first valve (5) is formed in the housing (1).
  7. Control device according to Claim 1, characterized in that at least one of the valves (5, 6) on the valve body (5', 6') has a passage channel (11) which determines a minimum flow rate of hydraulic fluid.
EP06116038A 2005-06-29 2006-06-26 Valve for a drive control of a door or window leaf Active EP1739264B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005030756A DE102005030756B4 (en) 2005-06-29 2005-06-29 Valve for driving a wing of a door or a window

Publications (3)

Publication Number Publication Date
EP1739264A2 EP1739264A2 (en) 2007-01-03
EP1739264A3 EP1739264A3 (en) 2008-12-10
EP1739264B1 true EP1739264B1 (en) 2010-01-20

Family

ID=37074629

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06116038A Active EP1739264B1 (en) 2005-06-29 2006-06-26 Valve for a drive control of a door or window leaf

Country Status (3)

Country Link
EP (1) EP1739264B1 (en)
AT (1) ATE455920T1 (en)
DE (2) DE102005030756B4 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014212116A1 (en) * 2014-06-24 2015-12-24 Geze Gmbh regulating
CN109099177A (en) * 2018-09-07 2018-12-28 上海东铁五金有限公司 A kind of regulating valve and the floor spring including it

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3203390C2 (en) * 1982-02-02 1986-12-11 BKS Sicherheitstechnik GmbH, 5040 Brühl Pinion door closer
DE8216563U1 (en) * 1982-06-08 1983-12-22 Dorma-Baubeschlag Gmbh & Co Kg, 5828 Ennepetal AED WING LOCKER WITH A DEVICE FOR THE CLOSURE CONTROL OF DOUBLE-LEAF DOORS
GB8617847D0 (en) * 1986-07-22 1986-08-28 Newman Tonks Eng Ltd Door closer
AT409112B (en) * 1999-10-04 2002-05-27 Hoerbiger Hydraulik HYDRAULIC ARRANGEMENT FOR ACTUATING MOVABLE PARTS ON VEHICLES, AND PRELOAD VALVE FOR THIS ARRANGEMENT
DE10145200B4 (en) * 2001-09-13 2015-09-10 Geze Gmbh door closers

Also Published As

Publication number Publication date
EP1739264A2 (en) 2007-01-03
EP1739264A3 (en) 2008-12-10
DE102005030756A1 (en) 2007-01-04
DE502006005954D1 (en) 2010-03-11
ATE455920T1 (en) 2010-02-15
DE102005030756B4 (en) 2010-04-08

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