EP2458124B1 - Valve for a drive to operate a door or window - Google Patents

Valve for a drive to operate a door or window Download PDF

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Publication number
EP2458124B1
EP2458124B1 EP11190208.6A EP11190208A EP2458124B1 EP 2458124 B1 EP2458124 B1 EP 2458124B1 EP 11190208 A EP11190208 A EP 11190208A EP 2458124 B1 EP2458124 B1 EP 2458124B1
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EP
European Patent Office
Prior art keywords
valve
ring
drive
sealing ring
groove
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EP11190208.6A
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German (de)
French (fr)
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EP2458124A3 (en
EP2458124A2 (en
Inventor
Ingo Walter
Heiko Kohfink
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Geze GmbH
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Geze GmbH
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Publication of EP2458124A2 publication Critical patent/EP2458124A2/en
Publication of EP2458124A3 publication Critical patent/EP2458124A3/en
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    • 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
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/26—Form, shape
    • E05Y2800/292—Form, shape having apertures
    • 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 driving a door or a window according to the preamble of patent claim 1.
  • a valve which can be fastened in a running with an internal thread bore of a designed as a hydraulic door closer drive.
  • the valve has a base body with a Regulier Scheme and a rotation and a thread.
  • the thread can be arranged in the internal thread of the bore.
  • the anti-rotation device has at least one groove, which is arranged on the thread and receives an elastic element.
  • the disadvantage is the valve consuming to manufacture by grooves must be introduced into the thread for receiving the elastic element. Possibly, after repeated adjustment of the valve, the anti-twisting effect of the elastic element can be reduced by cutting the thread flanks.
  • the invention has for its object to provide a simple and inexpensive to manufacture valve, which is secured against accidental rotation.
  • Drives for doors or windows are known per se and can be designed as manual or automatic drives.
  • a drive comprises a housing having a bore in which a working piston is arranged, which cooperates with an output shaft geared.
  • a linkage or a sliding arm can be arranged rotatably.
  • the Drive can be arranged either on a wing of the door or the window or on their framing. Accordingly, the linkage or the sliding arm is supported on the frame or the wing, whereby a connection between the pivoting movement of the wing and the drive is effected.
  • a spring is further arranged, which is compressed during a rotational movement of the output shaft when manually or when effected by a hydraulic pump, automatic opening of the wing by moving the working piston and serves as an energy storage for automatic closing of the wing.
  • the interior of the housing is divided by the piston into several rooms. Between these spaces hydraulic channels are arranged with associated valves for influencing the overflow, which serve to control the drive behavior.
  • valves are each arranged in a threaded bore in the housing of the drive and are adjusted by rotation, whereby a valve cone of the valve is displaced relative to a arranged in the hydraulic channel valve seat and so the hydraulic channel opens more or less wide or closes.
  • the combination ring which combines two functions.
  • the valve is sealed to the outside, so that no hydraulic fluid can escape and on the other hand, a safeguard against twisting is realized.
  • the combination ring is formed in one piece from a sealing ring and a retaining ring.
  • the locking ring is arranged with respect to the hydraulic channel after the sealing ring, so that the locking ring is arranged in the "dry" region of the valve, whereby a possible reduction of friction between the locking ring and the wall of the drive housing is prevented by hydraulic fluid and a consistently high coefficient of friction is maintained.
  • the combination ring is advantageously molded in a manufacturing process of the valve. This is in addition to the grooves for receiving the seal and the locking ring a recess disposed in the valve, which connects the two grooves and which forms a sprue area for the molding of the combination ring to the valve.
  • a connecting web is thereby formed on the combination ring between the sealing ring and the securing ring, which prevents twisting of the securing ring in particular on the valve body.
  • the drive 1 has a housing 4, in which in known manner, for example, a piston and designed as a spring energy storage are arranged in a filled with hydraulic fluid receiving space.
  • the energy storage is charged by manual or automatic opening of the wing 2 of the door and causes the wing 2 is automatically returned to its closed position after opening.
  • the drive 1 causes the introduction of force to the door via a hinged linkage or via a guided in a slide rail 5 by means of a sliding block slide 6, which or which an output shaft, which is operatively connected to the piston, is arranged rotationally fixed.
  • the housing 4 of the drive 1 may be fixed to the frame 3 or on the wing 2.
  • the linkage or the sliding arm 6 as a force transmission element is supported, depending on the selected arrangement, either on the wing 2 or on the frame 3.
  • valves 8 are arranged, by means of which an overflow of the hydraulic fluid from one piston side to the other to control the behavior of the drive 1 is possible.
  • valves 8 for example, a closing speed, a closing delay, an end impact, which causes the wing 2 safely falls into the lock, or an opening damping adjustable.
  • valves 8 are each arranged in a threaded bore in the housing 4, in which also the valve seat of the associated hydraulic channel 7 is expediently formed.
  • Fig. 2 the arrangement of one of the valves 8 is shown in a partial section of the housing 4.
  • the adjustable by turning valves 8 are to be secured against unintentional rotation and thus unintentional adjustment of the behavior of the drive 1.
  • An anti-twist device is advantageously provided on each valve 8, which is formed in combination with a seal which seals the respective valve 8 to the outside, thereby preventing the hydraulic fluid from exiting the housing 4 of the drive 1.
  • FIGS. 3 to 7 one of the valves 8 is shown in detail.
  • the valve 8 consists of a valve body 9 produced as an injection molded part and a valve cone 10, which may be formed of a material having a particular coefficient of thermal expansion and suitable for compensating for a change in viscosity caused by temperature fluctuations of the hydraulic fluid and thus an otherwise changing behavior of the drive 1 is.
  • the valve cone 10 is advantageously molded onto an extension of the valve body 9.
  • the valve cone 10 may also consist of the same material as the valve body 9, wherein valve body 9 and valve plug 10 are then formed in one piece.
  • the valve body 9 is provided for receiving in the threaded bore of the housing 4 with a thread 11, whereby the valve 8 is received adjustably by screwing in the housing 4.
  • the valve body 9 has a tool holder 12, for example, for a screwdriver or the like on.
  • two annular grooves 13, 14 are provided and a substantially perpendicular to the grooves 13, 14 arranged recess 15, which connects the grooves 13, 14.
  • a combination ring 16 is arranged, which combines the sealing function and the rotation in itself.
  • valve 8 is shown in an oblique pattern as an exploded view, wherein the three elements valve body 9, valve cone 10 and combination ring 16 of the valve 8 are shown individually. If the valve body 9 and the valve cone 10 are integrally formed, then the valve 8 together with the combination ring 16 is formed only from two elements. The combination ring 16 is advantageously molded directly onto the valve body 9 as the last manufacturing process.
  • the combination ring 16 produced by means of the injection process is formed in one piece and consists of the thinner circlip 17, which is received in the groove 13 and the thicker sealing ring 18, which is received in the groove 14.
  • the formed as a common sprue connecting web 19 is provided in the region of the recess 15, through which the combing ring 15 forming material flows into the groove 13 and into the groove 14 during the injection process.
  • the sealing ring 18 is thereby formed by the - not shown here - injection molding tool so that it is spaced from the flank 21 of the groove 14, which gives sufficient space for elastic deflection of the sealing ring 18 during its deformation in the receptacle in the housing 4 of the drive 1 is.
  • sealing region of the sealing ring 18 is positioned spaced from the flank 20, wherein the material approach 22nd is lower than the sealing ring 18 and remains below the flank 20, whereby in the direction of the flank 20 sufficient space for elastic deformation of the sealing ring 18 is given.
  • the recess 15 is tapered in the direction of the groove 13 in order to influence the flow of material, wherein the to be triggered in the groove 13 retaining ring 17 is substantially thinner than the in the groove 14 to be sprayed sealing ring 18.
  • the arranged in the recess 15 connecting web 19 advantageously prevents rotation on the valve body 9, in particular the locking ring 17, which cooperates with the valve 4 screwed in the housing 4 rotationally locking with the wall of the bore in the housing 4 and so unintentional rotation and thus unintentional adjustment of Valve 8 prevents.
  • the sealing ring 18 seals the hydraulic fluid to the outside. Since the locking ring 17 is advantageous outside in the sealed, dry area of the bore, a high uniform braking effect is achieved by friction between the locking ring 17 and the wall of the housing 4. The sealing ring 18 contributes only slightly to an anti-rotation, since a partial wetting by hydraulic fluid is possible.

Description

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

Aus der DE 20 2007 004 104 U1 ist ein Ventil bekannt, das in einer mit einem Innengewinde ausgeführte Bohrung eines als hydraulischer Türschließer ausgebildeten Antriebs befestigbar ist. Das Ventil weist einen Grundkörper mit einem Regulierbereich und eine Verdrehsicherung sowie ein Gewinde auf. Das Gewinde ist in dem Innengewinde der Bohrung anordenbar. Die Verdrehsicherung weist zumindest eine Nut auf, die am Gewinde angeordnet ist und ein elastisches Element aufnimmt.From the DE 20 2007 004 104 U1 a valve is known, which can be fastened in a running with an internal thread bore of a designed as a hydraulic door closer drive. The valve has a base body with a Regulierbereich and a rotation and a thread. The thread can be arranged in the internal thread of the bore. The anti-rotation device has at least one groove, which is arranged on the thread and receives an elastic element.

Nachteilig ist das Ventil aufwändig herzustellen, indem Nuten in das Gewinde zur Aufnahme des elastischen Elements eingebracht werden müssen. Möglicherweise kann nach mehrfachem Einstellen des Ventils die gegen Verdrehen sichernde Wirkung des elastischen Elements durch Einschneiden der Gewindeflanken nachlassen.The disadvantage is the valve consuming to manufacture by grooves must be introduced into the thread for receiving the elastic element. Possibly, after repeated adjustment of the valve, the anti-twisting effect of the elastic element can be reduced by cutting the thread flanks.

Der Erfindung liegt die Aufgabe zugrunde, ein einfach und kostengünstig herzustellendes Ventil zu schaffen, welches gegen ungewolltes Verdrehen gesichert ist.The invention has for its object to provide a simple and inexpensive to manufacture valve, which is secured against accidental rotation.

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

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

Antriebe für Türen oder Fenster sind an sich bekannt und können als manuelle oder automatische Antriebe ausgebildet sein. In bekannter Weise umfasst ein derartiger Antrieb ein Gehäuse mit einer Bohrung, in der ein Arbeitskolben angeordnet ist, welcher mit einer Abtriebswelle getriebemäßig zusammenwirkt. Auf der Abtriebswelle kann ein Gestänge oder ein Gleitarm drehfest angeordnet sein. Der Antrieb kann wahlweise auf einem Flügel der Tür oder des Fensters oder auf deren Umrahmung angeordnet sein. Entsprechend stützt sich das Gestänge oder der Gleitarm am Rahmen oder dem Flügel ab, wodurch eine Verbindung zwischen der Schwenkbewegung des Flügels und dem Antrieb bewirkt ist.Drives for doors or windows are known per se and can be designed as manual or automatic drives. In known manner, such a drive comprises a housing having a bore in which a working piston is arranged, which cooperates with an output shaft geared. On the output shaft, a linkage or a sliding arm can be arranged rotatably. Of the Drive can be arranged either on a wing of the door or the window or on their framing. Accordingly, the linkage or the sliding arm is supported on the frame or the wing, whereby a connection between the pivoting movement of the wing and the drive is effected.

Im mit einer Hydraulikflüssigkeit gefüllten Gehäuse ist weiterhin eine Feder angeordnet, welche bei einer Drehbewegung der Abtriebswelle beim manuellen oder beim durch eine Hydraulikpumpe bewirkten, automatischen Öffnen des Flügels durch Verschieben des Arbeitskolbens komprimiert wird und als Energiespeicher zum selbsttätigen Schließen des Flügels dient. Der Innenraum des Gehäuses ist durch den Kolben in mehrere Räume aufgeteilt. Zwischen diesen Räumen sind Hydraulikkanäle mit zugeordneten Ventilen zur Beeinflussung des Überströmens angeordnet, die der Steuerung des Antriebsverhaltens dienen.In the filled with a hydraulic fluid housing, a spring is further arranged, which is compressed during a rotational movement of the output shaft when manually or when effected by a hydraulic pump, automatic opening of the wing by moving the working piston and serves as an energy storage for automatic closing of the wing. The interior of the housing is divided by the piston into several rooms. Between these spaces hydraulic channels are arranged with associated valves for influencing the overflow, which serve to control the drive behavior.

Die Ventile sind jeweils in einer mit einem Gewinde versehenen Bohrung im Gehäuse des Antriebs angeordnet und werden durch Drehen eingestellt, wodurch ein Ventilkegel des Ventils relativ zu einem in dem Hydraulikanal angeordneten Ventilsitz verlagert wird und so den Hydraulikanal mehr oder weniger weit öffnet bzw. schließt.The valves are each arranged in a threaded bore in the housing of the drive and are adjusted by rotation, whereby a valve cone of the valve is displaced relative to a arranged in the hydraulic channel valve seat and so the hydraulic channel opens more or less wide or closes.

Zur Sicherung gegen unbeabsichtigtes Verdrehen ist ein sogenannter Kombiring vorgesehen, welcher zwei Funktionen vereint. Zum Einen wird das Ventil nach außen hin abgedichtet, so dass keine Hydraulikflüssigkeit austreten kann und zum Anderen wird eine Sicherung gegen Verdrehen realisiert. Vorteilhaft ist der Kombiring einstückig aus einem Dichtring und einem Sicherungsring gebildet. In bevorzugter Weise ist der Sicherungsring dabei in Bezug auf den Hydraulikkanal nach dem Dichtring angeordnet, so dass der Sicherungsring im "trockenen" Bereich des Ventils angeordnet ist, wodurch eine mögliche Reduzierung der Reibung zwischen dem Sicherungsring und der Wandung des Antriebsgehäuses durch Hydraulikflüssigkeit verhindert ist und ein beständig hoher Reibwert erhalten bleibt.To protect against unintentional twisting a so-called combination ring is provided which combines two functions. On the one hand, the valve is sealed to the outside, so that no hydraulic fluid can escape and on the other hand, a safeguard against twisting is realized. Advantageously, the combination ring is formed in one piece from a sealing ring and a retaining ring. Preferably, the locking ring is arranged with respect to the hydraulic channel after the sealing ring, so that the locking ring is arranged in the "dry" region of the valve, whereby a possible reduction of friction between the locking ring and the wall of the drive housing is prevented by hydraulic fluid and a consistently high coefficient of friction is maintained.

Der Kombiring wird vorteilhaft in einem Herstellvorgang des Ventils angespritzt. Dazu ist neben den Nuten zur Aufnahme des Dichtungs- und des Sicherungsrings eine Vertiefung im Ventil angeordnet, welche die beiden Nuten verbindet und welche einen Angußbereich für das Anspritzen des Kombirings an das Ventil bildet. Vorteilhaft wird dadurch ein Verbindungssteg am Kombiring zwischen dem Dichtring und dem Sicherungsring ausgebildet, welcher ein Verdrehen insbesondere des Sicherungsrings auf dem Ventilkörper verhindert.The combination ring is advantageously molded in a manufacturing process of the valve. This is in addition to the grooves for receiving the seal and the locking ring a recess disposed in the valve, which connects the two grooves and which forms a sprue area for the molding of the combination ring to the valve. Advantageously, a connecting web is thereby formed on the combination ring between the sealing ring and the securing ring, which prevents twisting of the securing ring in particular on the valve body.

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 einer Tür mit einem Antrieb;
Fig. 2
eine Ansicht auf das Antriebsgehäuse des Antriebs gemäß Fig. 1 mit der Anordnung von Ventilen und mit einem Teilschnitt im Bereich eines der Ventile;
Fig. 3
den Teilschnitt aus Fig. 2 in vergrößerter Darstellung;
Fig. 4
eine Ansicht des Ventils im Schrägbild;
Fig. 5
eine Ansicht des Ventils gemäß Fig. 4 als Explosionszeichnung;
Fig. 6
eine weitere Ansicht auf das Ventil;
Fig. 7
eine Ausschnitt des Ventils gemäß Fig. 6 in geschnittener Darstellung.
Showing:
Fig. 1
a section of a door with a drive;
Fig. 2
a view of the drive housing of the drive according to Fig. 1 with the arrangement of valves and with a partial section in the area of one of the valves;
Fig. 3
the partial section Fig. 2 in an enlarged view;
Fig. 4
a view of the valve in an oblique view;
Fig. 5
a view of the valve according to Fig. 4 as an exploded view;
Fig. 6
another view of the valve;
Fig. 7
a section of the valve according to Fig. 6 in a cutaway view.

In den Figuren 1 und 2 ist ein Antrieb 1 für einen Flügel 2 einer Tür gezeigt.In the Figures 1 and 2 a drive 1 for a wing 2 of a door is shown.

Der Antrieb 1 weist ein Gehäuse 4 auf, in dem in an sich bekannter Weise beispielsweise ein Kolben und ein als Feder ausgebildeter Energiespeicher in einem mit Hydraulikflüssigkeit gefüllten Aufnahmeraum angeordnet sind. Der Energiespeicher wird durch manuelles oder automatisches Öffnen des Flügels 2 der Tür aufgeladen und bewirkt, dass der Flügel 2 nach dem Öffnen wieder selbsttätig in seine Geschlossenlage geführt wird. Der Antrieb 1 bewirkt die Krafteinleitung auf die Tür über ein gelenkig verbundenes Gestänge oder über einen in einer Gleitschiene 5 mittels eines Gleitsteins geführten Gleitarm 6, welches bzw. welcher an einer Abtriebswelle, die mit dem Kolben wirkverbunden ist, drehfest angeordnet ist.The drive 1 has a housing 4, in which in known manner, for example, a piston and designed as a spring energy storage are arranged in a filled with hydraulic fluid receiving space. The energy storage is charged by manual or automatic opening of the wing 2 of the door and causes the wing 2 is automatically returned to its closed position after opening. The drive 1 causes the introduction of force to the door via a hinged linkage or via a guided in a slide rail 5 by means of a sliding block slide 6, which or which an output shaft, which is operatively connected to the piston, is arranged rotationally fixed.

Das Gehäuse 4 des Antriebs 1 kann am Rahmen 3 oder auch auf dem Flügel 2 festgelegt sein. Das Gestänge oder der Gleitarm 6 als Kraftübertragungselement stützt sich dabei, entsprechend der gewählten Anordnung, entweder am Flügel 2 oder am Rahmen 3 ab.The housing 4 of the drive 1 may be fixed to the frame 3 or on the wing 2. The linkage or the sliding arm 6 as a force transmission element is supported, depending on the selected arrangement, either on the wing 2 or on the frame 3.

Im Gehäuse 4 sind weiterhin Hydraulikkanäle 7 und Ventile 8 angeordnet, mittels derer ein Überströmen der Hydraulikflüssigkeit von einer Kolbenseite zur anderen zur Steuerung des Verhaltens des Antriebs 1 möglich ist. Mittels der Ventile 8 ist beispielsweise eine Schließgeschwindigkeit, eine Schließverzögerung, ein Endschlag, welcher bewirkt, dass der Flügel 2 sicher ins Schloss fällt, oder auch eine Öffnungsdämpfung einstellbar.In the housing 4 further hydraulic channels 7 and valves 8 are arranged, by means of which an overflow of the hydraulic fluid from one piston side to the other to control the behavior of the drive 1 is possible. By means of the valves 8, for example, a closing speed, a closing delay, an end impact, which causes the wing 2 safely falls into the lock, or an opening damping adjustable.

Die Ventile 8 sind jeweils in einer mit einem Gewinde versehenen Bohrung im Gehäuse 4 angeordnet, in welcher auch der Ventilsitz des zugeordneten Hydraulikkanals 7 zweckdienlich ausgebildet ist. In Fig. 2 ist die Anordnung eines der Ventile 8 in einem Teilschnitt des Gehäuses 4 gezeigt.The valves 8 are each arranged in a threaded bore in the housing 4, in which also the valve seat of the associated hydraulic channel 7 is expediently formed. In Fig. 2 the arrangement of one of the valves 8 is shown in a partial section of the housing 4.

Die durch Drehen einstellbaren Ventile 8 sind gegen ein unbeabsichtigtes Verdrehen und damit unbeabsichtigtes Verstellen des Verhaltens des Antriebs 1 zu sichern. Vorteilhaft ist an jedem Ventil 8 eine Verdrehsicherung vorgesehen, die in Kombination mit einer Dichtung ausgebildet ist, welche das jeweilige Ventil 8 nach außen hin abdichtet, wodurch verhindert wird, das Hydraulikflüssigkeit aus dem Gehäuse 4 des Antriebs 1 austritt.The adjustable by turning valves 8 are to be secured against unintentional rotation and thus unintentional adjustment of the behavior of the drive 1. An anti-twist device is advantageously provided on each valve 8, which is formed in combination with a seal which seals the respective valve 8 to the outside, thereby preventing the hydraulic fluid from exiting the housing 4 of the drive 1.

In den Figuren 3 bis 7 ist eines der Ventile 8 im Detail dargestellt.In the FIGS. 3 to 7 one of the valves 8 is shown in detail.

Das Ventil 8 besteht aus einem als Spritzgussteil hergestellten Ventilkörper 9 und einem Ventilkegel 10, welcher aus einem Material mit besonderem Wärmeausdehnungskoeffizient ausgebildet sein kann und zur Kompensation einer durch Temperaturschwankungen verursachten Viskositätsänderung der Hydraulikflüssigkeit und somit eines ansonsten sich ändernden Verhaltens des Antriebs 1 geeignet ist. Der Ventilkegel 10 ist vorteilhaft an einem Fortsatz des Ventilkörpers 9 angespritzt. Der Ventilkegel 10 kann auch aus demselben Material wie der Ventilkörper 9 bestehen, wobei Ventilkörper 9 und Ventilkegel 10 dann einstückig ausgebildet sind.The valve 8 consists of a valve body 9 produced as an injection molded part and a valve cone 10, which may be formed of a material having a particular coefficient of thermal expansion and suitable for compensating for a change in viscosity caused by temperature fluctuations of the hydraulic fluid and thus an otherwise changing behavior of the drive 1 is. The valve cone 10 is advantageously molded onto an extension of the valve body 9. The valve cone 10 may also consist of the same material as the valve body 9, wherein valve body 9 and valve plug 10 are then formed in one piece.

Der Ventilkörper 9 ist zur Aufnahme in der Gewindebohrung des Gehäuses 4 mit einem Gewinde 11 versehen, wodurch das Ventil 8 durch Eindrehen im Gehäuse 4 verstellbar aufgenommen ist. Zum Eindrehen und Verstellen des Ventils 8 weist der Ventilkörper 9 eine Werkzeugaufnahme 12, beispielsweise für einen Schraubendreher oder ähnliches, auf.The valve body 9 is provided for receiving in the threaded bore of the housing 4 with a thread 11, whereby the valve 8 is received adjustably by screwing in the housing 4. For screwing and adjusting the valve 8, the valve body 9 has a tool holder 12, for example, for a screwdriver or the like on.

Am Ventilkörper 9 sind zwei ringförmige Nuten 13, 14 vorgesehen und eine im Wesentlichen rechtwinklig zu den Nuten 13, 14 angeordnete Vertiefung 15, welche die Nuten 13, 14 verbindet. In den Nuten 13, 14 und der Vertiefung 15 ist ein Kombiring 16 angeordnet, welcher die Dichtfunktion und die Verdrehsicherung in sich vereinigt.On the valve body 9, two annular grooves 13, 14 are provided and a substantially perpendicular to the grooves 13, 14 arranged recess 15, which connects the grooves 13, 14. In the grooves 13, 14 and the recess 15 a combination ring 16 is arranged, which combines the sealing function and the rotation in itself.

In der Fig. 5 ist das Ventil 8 im Schrägbild als Explosionszeichnung dargestellt, wobei die drei Elemente Ventilkörper 9, Ventilkegel 10 und Kombiring 16 des Ventils 8 einzelnen gezeigt sind. Sind der Ventilkörper 9 und der Ventilkegel 10 einstückig ausgebildet, so ist das Ventil 8 zusammen mit dem Kombiring 16 lediglich aus zwei Elementen gebildet. Der Kombiring 16 wird vorteilhaft als letzer Herstellungsvorgang an den Ventilkörper 9 direkt angespritzt.In the Fig. 5 the valve 8 is shown in an oblique pattern as an exploded view, wherein the three elements valve body 9, valve cone 10 and combination ring 16 of the valve 8 are shown individually. If the valve body 9 and the valve cone 10 are integrally formed, then the valve 8 together with the combination ring 16 is formed only from two elements. The combination ring 16 is advantageously molded directly onto the valve body 9 as the last manufacturing process.

Der mittels des Spritzvorgangs hergestellte Kombiring 16 ist einstückig ausgebildet und besteht aus dem dünneren Sicherungsring 17, welcher in der Nut 13 aufgenommen ist und dem dickeren Dichtring 18, welcher in der Nut 14 aufgenommen ist. Der als gemeinsamer Anguss ausgebildete Verbindungssteg 19 ist im Bereich der Vertiefung 15 vorgesehen, durch welche während des Spritzvorgangs das den Kombiring 15 bildende Material in die Nut 13 und in die Nut 14 einfließt. Der Dichtring 18 ist dabei durch das - hier nicht dargestellte - Spritzgusswerkzeug so ausgeformt, dass er zur Flanke 21 der Nut 14 beabstandet ist, wodurch ausreichend Raum für ein elastisches Ausweichen des Dichtrings 18 bei dessen Verformung in der Aufnahme im Gehäuse 4 des Antriebs 1 gegeben ist. Zur Flanke 20 hin ist ein ringförmiger Materialansatz 22 am Dichtring 18 vorhanden, durch welchen der gerundete, in montiertem Zustands des Ventils 8 an der Wandung der zugeordneten Aufnahme im Gehäuse 4 anliegende, dichtende Bereich des Dichtrings 18 beabstandet zur Flanke 20 positioniert ist, wobei der Materialansatz 22 niedriger als der Dichtring 18 ist und unterhalb der Flanke 20 bleibt, wodurch auch in Richtung der Flanke 20 ausreichend Raum für eine elastische Verformung des Dichtrings 18 gegeben ist.The combination ring 16 produced by means of the injection process is formed in one piece and consists of the thinner circlip 17, which is received in the groove 13 and the thicker sealing ring 18, which is received in the groove 14. The formed as a common sprue connecting web 19 is provided in the region of the recess 15, through which the combing ring 15 forming material flows into the groove 13 and into the groove 14 during the injection process. The sealing ring 18 is thereby formed by the - not shown here - injection molding tool so that it is spaced from the flank 21 of the groove 14, which gives sufficient space for elastic deflection of the sealing ring 18 during its deformation in the receptacle in the housing 4 of the drive 1 is. To the flank 20 toward an annular neck 22 on the sealing ring 18 is present, through which the rounded, in the assembled state of the valve 8 on the wall of the associated receptacle in the housing 4 fitting, sealing region of the sealing ring 18 is positioned spaced from the flank 20, wherein the material approach 22nd is lower than the sealing ring 18 and remains below the flank 20, whereby in the direction of the flank 20 sufficient space for elastic deformation of the sealing ring 18 is given.

Die Vertiefung 15 ist in Richtung der Nut 13 hin verjüngt, um den Materialfluss zu beeinflussen, wobei der in der Nut 13 anzuspritzende Sicherungsring 17 wesentlich dünner als der in der Nut 14 anzuspritzende Dichtring 18 ist. Durch die Verjüngung zum Sicherungsring 17 hin wird eine dementsprechende, gleichmäßige Füllung beim Spritzen erreicht.The recess 15 is tapered in the direction of the groove 13 in order to influence the flow of material, wherein the to be triggered in the groove 13 retaining ring 17 is substantially thinner than the in the groove 14 to be sprayed sealing ring 18. By the taper to the retaining ring 17 toward a corresponding, uniform filling is achieved during spraying.

Der in der Vertiefung 15 angeordnete Verbindungssteg 19 verhindert vorteilhaft ein Verdrehen auf dem Ventilkörper 9, insbesondere des Sicherungsrings 17, welcher bei im Gehäuse 4 eingedrehtem Ventil 8 drehhemmend mit der Wandung der Bohrung im Gehäuse 4 zusammenwirkt und so ein unbeabsichtigtes Verdrehen und damit unbeabsichtigtes Verstellen des Ventils 8 verhindert.The arranged in the recess 15 connecting web 19 advantageously prevents rotation on the valve body 9, in particular the locking ring 17, which cooperates with the valve 4 screwed in the housing 4 rotationally locking with the wall of the bore in the housing 4 and so unintentional rotation and thus unintentional adjustment of Valve 8 prevents.

Der Dichtring 18 dichtet die Hydraulikflüssigkeit nach außen hin ab. Da der Sicherungsring 17 vorteilhaft außerhalb im abgedichteten, trockenen Bereich der Bohrung liegt, wird eine hohe gleichbleibende Bremswirkung durch Reibung zwischen Sicherungsring 17 und der Wandung des Gehäuses 4 erzielt. Der Dichtring 18 trägt nur gering zu einer Verdrehsicherung bei, da eine teilweise Benetzung durch Hydraulikflüssigkeit möglich ist.The sealing ring 18 seals the hydraulic fluid to the outside. Since the locking ring 17 is advantageous outside in the sealed, dry area of the bore, a high uniform braking effect is achieved by friction between the locking ring 17 and the wall of the housing 4. The sealing ring 18 contributes only slightly to an anti-rotation, since a partial wetting by hydraulic fluid is possible.

Liste der ReferenzzeichenList of reference characters

11
Antriebdrive
22
Flügelwing
33
Rahmenframe
44
Gehäusecasing
55
Gleitschieneslide
66
Gleitarmsliding arm
77
Hydraulikkanalhydraulic channel
88th
VentilValve
99
Ventilkörpervalve body
1010
Ventilkegelshuttle
1111
Gewindethread
1212
Werkzeugaufnahmetool holder
1313
Nutgroove
1414
Nutgroove
1515
Vertiefungdeepening
1616
Kombiringcombination ring
1717
Dichtringseal
1818
Sicherungsringcirclip
1919
Verbindungsstegconnecting web
2020
Flankeflank
2121
Flankeflank
2222
Materialansatzmaterial approach

Claims (7)

  1. Valve (8) for a drive (1) of a door or a window, having a valve body (9) and a valve cone (10), and having an annular first groove (14) which is arranged in the valve body (9) and has a sealing ring (18), wherein a further annular groove (13) and a depression (15) arranged substantially at right angles to the grooves (13, 14) are arranged in the valve body (9), characterized in that a one-piece combination ring (16) for securing the valve (8) against rotation and for sealing is injection-moulded in the grooves (13, 14) and in the depression (15).
  2. Valve according to Claim 1, characterized in that the depression (15) breaches at least one flank (20) of the first groove (14).
  3. Valve according to Claim 1 or 2, characterized in that the combination ring (16) is formed from a securing ring (17) and a sealing ring (18), wherein a connecting web (19) is formed between the securing ring (17) and the sealing ring (18).
  4. Valve according to Claim 3, characterized in that the connecting web (19) engages in the depression (15) and prevents a rotation of the combination ring (16) on the valve body (9).
  5. Valve according to Claim 3, characterized in that the connecting web (19) forms the sprue for the combination ring (16).
  6. Valve according to Claim 3, characterized in that the sealing ring (18) is arranged at a distance from a flank (21) in the first groove (14).
  7. Valve according to Claim 3, characterized in that the sealing ring (18) has a material protuberance (22) by means of which the sealing region of the sealing ring (18) is spaced apart from the flank (20).
EP11190208.6A 2010-11-24 2011-11-23 Valve for a drive to operate a door or window Active EP2458124B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010061837.3A DE102010061837B4 (en) 2010-11-24 2010-11-24 Valve for driving a door or a window

Publications (3)

Publication Number Publication Date
EP2458124A2 EP2458124A2 (en) 2012-05-30
EP2458124A3 EP2458124A3 (en) 2014-12-10
EP2458124B1 true EP2458124B1 (en) 2015-11-04

Family

ID=45315505

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11190208.6A Active EP2458124B1 (en) 2010-11-24 2011-11-23 Valve for a drive to operate a door or window

Country Status (2)

Country Link
EP (1) EP2458124B1 (en)
DE (1) DE102010061837B4 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105927085A (en) * 2016-05-24 2016-09-07 杨天玥 Damping fluid throttling device of door closer
GB2577542B (en) * 2018-09-28 2021-11-03 Assa Abloy Ltd Door-closer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6322306B1 (en) * 1999-11-22 2001-11-27 Pratt & Whitney Canada Corp. Anti-rotation clips
DE102004039322B3 (en) * 2004-08-12 2006-04-13 Dorma Gmbh + Co. Kg Valve for a door closer or electrohydraulic door drive
DE202007004104U1 (en) * 2007-03-16 2007-05-24 Dorma Gmbh + Co. Kg Regulating valve for hydraulic door closer has anti-rotation lock on body formed by groove on thread and holding elastic element to eliminate play
DE102007013377B4 (en) * 2007-03-16 2014-09-25 Dorma Gmbh + Co. Kg regulating
DE202007009174U1 (en) * 2007-06-29 2007-08-30 Dorma Gmbh + Co. Kg regulating

Also Published As

Publication number Publication date
DE102010061837A1 (en) 2012-05-24
EP2458124A3 (en) 2014-12-10
EP2458124A2 (en) 2012-05-30
DE102010061837B4 (en) 2016-02-25

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