EP2871319A1 - Spring adjustment for a door actuating device - Google Patents

Spring adjustment for a door actuating device Download PDF

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Publication number
EP2871319A1
EP2871319A1 EP20140192394 EP14192394A EP2871319A1 EP 2871319 A1 EP2871319 A1 EP 2871319A1 EP 20140192394 EP20140192394 EP 20140192394 EP 14192394 A EP14192394 A EP 14192394A EP 2871319 A1 EP2871319 A1 EP 2871319A1
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EP
European Patent Office
Prior art keywords
spring
screw
operating device
adjusting nut
housing
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
EP20140192394
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German (de)
French (fr)
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EP2871319B1 (en
Inventor
Alexander Hellwig
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Dormakaba Deutschland GmbH
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Dorma Deutschland GmbH
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Publication of EP2871319A1 publication Critical patent/EP2871319A1/en
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Publication of EP2871319B1 publication Critical patent/EP2871319B1/en
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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
    • E05F1/08—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
    • 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
    • E05F3/10—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/499—Spring tensioners; Tension sensors

Definitions

  • the invention relates to a door operating device according to the preamble of claim 1, comprising a housing, at least one arranged in the housing drive unit which is coupled to a door, and at least one spring energy store, which is in operative connection with the drive unit, and which under a spring bias arranged spring, wherein the spring bias of the spring takes place by means of a spring adjustment, which comprises at least one connectable with the housing screw plug and an adjusting nut.
  • door actuation devices which are also referred to as door drives or door closers, are well known.
  • door actuation devices are to be distinguished, which comprise an electro-hydraulic unit, in order to also enable the doors to be opened via the door actuation device, whereas devices without an electro-hydraulic drive merely control the kinematics of the door closing movement.
  • the known door operating devices have in common that they have a spring energy storage, which stores the energy required for the closing movement of the door in the form of mechanical work.
  • the storage of mechanical work by means of at least one spring, which is preferably designed as a compression spring, which is tensioned during the opening movement of the door.
  • the door actuators can either be used in the door frame or integrated in the door leaf itself.
  • minimum closing moments of the doors must be achieved, these being dependent on the width and the weight of the doors.
  • specifications are to be complied with, which concern, for example, the availability of a mechanically stored energy in door actuation devices, so that a fire door executes an automatic closing of the door even in the event of a power failure and thus a failure of a possible control of the door operating device.
  • spring adjustments are provided by means of which the biasing force of the compression spring, which stores the mechanical energy to provide a minimum closing torque of the door leaf, can be adjusted.
  • a spring adjustment known which comprises a support disk on which the compression spring rests end side.
  • the support disk has an internal thread, into which a spring adjustment is screwed, wherein the spring adjustment is axially fixed in a screw plug at the end of the housing of the device.
  • By rotating the spring adjustment an axial movement of the support disk is caused, so that the compression spring is compressed or relaxed.
  • the support disk can rotate with it, unless this is done in a complex manner in the housing via corresponding guide grooves axially.
  • a door closer with an adjustable closing force is known.
  • This has at least one arranged in the closer housing, with one end supported on an adjustable plate compression spring and operable from outside the housing means for adjusting the plate.
  • the plate is arranged on a rotatably mounted drivable threaded spindle, wherein the arranged on a threaded spindle spring plate is driven by a worm gear.
  • This elaborate design namely in particular the worm gear takes a considerable amount of space, since a tangentially arranged to the worm drive screw can not be integrated into a small space.
  • the invention includes the technical teaching that on the screw plug to a spring-oriented cylinder is configured, on which the adjusting nut is linearly guided, wherein a guided by the screw adjusting screw, which at least partially non-positively and / or positively with the cylinder in Engagement can be brought, and that bears against the adjusting nut, is used to adjust the spring preload.
  • This solution has the advantage that a spring adjustment is created, which occupies a small space and due to the guided through the screw adjusting screw, which is applied to the adjusting nut, and which serves to adjust the spring preload, provides a simple manufacturing technology solution.
  • the adjustment is the propulsion of the adjusting element in the direction of the spring by propulsion of the adjusting element emotional.
  • the spring is compressed by the configured on the adjusting spring rest.
  • the feed of the adjusting element is equal to the way the compression of the spring.
  • the door actuating device according to the invention in particular the adjusting nut does not have to be secured against rotation.
  • the adjusting element which is guided by the screw plug, presses against the adjusting nut, wherein the adjusting nut is guided in the direction of the spring, which allows an adjustment of the spring.
  • the door operating device according to the invention can also be used without setting a special design, for example as an adjusting nut designed as a polygon for adjusting springs whose pressing force would not be sufficient in itself to prevent co-rotation of the adjusting nut in the door operating device.
  • the adjusting element is guided in a bore of the cylinder, wherein the bore has, at least in sections, an internal thread which can be brought into positive engagement with a corresponding thread configured at least in sections on the adjusting element.
  • the thread namely by its pitch can be adjusted in a preferred manner, the section-wise propulsion of the adjustment of thread to thread.
  • the adjusting nut is preferably below the spring support as a pin formed, which at least partially surrounds the cylinder of the locking screw and the adjustment introduced by the screw plug.
  • the adjusting element is preferably located at one of its ends on a bottom formed by the pin within the adjusting nut on this floor. Since the pin extends in an advantageous manner to the locking screw out in a spring support, wherein with advance of the adjusting element, which comes to rest on the bottom of the pin, the spring support is moved, thereby also the spring is compressed.
  • the pin extends at least partially into the spring, so that the spring surrounds the pin.
  • the spring adjustment of the present invention has a particularly small design, since both the adjusting element with its pin and the adjusting element, at least in sections, are arranged within the spring.
  • closure screw on the cylinder, which extends with the adjusting element into the spring, and on which the adjusting element is guided linearly, is designed as a housing cover for one end of the housing of the door operating part ,
  • the closure screw preferably has an external thread which is screwed into an internal thread of the housing of the door operating part.
  • the closure screw has at least one sealing ring in its section designed as a housing cover, which rests between the locking screw and the inner wall of the housing.
  • the housing cover which is formed by the screw plug, is preferably in its circumference, ie adapted in its the cylinder overhanging portions of the circumference of the housing of the door operating part.
  • the insertion depth, and in particular the depth of engagement of the adjusting element into the screw plug is suitable for checking the adjusting travel of the adjusting nut.
  • the adjusting element is guided centrally through the screw plug. More precisely, the adjusting element is guided in a bore which runs through the locking screw. Accordingly, the adjustment can be operated on the outside of the housing cover formed by the screw plug.
  • the adjusting element is a screw whose thread is brought into positive engagement with the internal thread of the cylinder of the screw plug.
  • the spring is preferably a compression spring.
  • compression of the compression spring namely by the adjusting element, which is pressed with the screw or the adjusting element with its pin in the spring and thereby entrains the spring bearing, the compression spring can be brought to the desired bias.
  • the Preload the compression spring is adjusted so that the closing of a door leaf when opening the door to be stored energy, sufficient to close the door again automatically.
  • the spring may also be a tension spring.
  • the FIG. 1 shows a door operating device 1, wherein only a part of the door operating device 1, namely the spring energy storage 3 is shown here.
  • the door operating device 1 comprises a housing 2 in the usual manner not shown here Drive unit is arranged, via which a door is coupled.
  • the illustrated in the figure part of the door operating device 1, namely the spring energy storage 3, which is arranged in the same housing 2 as the drive unit, is in operative connection with the drive unit.
  • a spring 4 is arranged, wherein it is preferably the spring 4 is a compression spring which is under a spring bias.
  • the spring bias of the spring 4 by means of a spring adjustment 5 which includes a screw plug 6 and an adjusting nut 7.
  • the closure screw 6 is designed as shown in the figure as a housing cover 14, which closes one end of the housing 2 of the door operating device 1.
  • a sealing ring 16 is configured between the housing cover 14 of the locking screw 6 and the housing 2 on the locking screw 6 in order to prevent, for example, an escape of oil from the spring force accumulator 3.
  • the locking screw 6 moves out of the housing cover 14 into a cylinder 8, which is designed in the direction of the spring 4.
  • the adjusting nut 7 is guided linearly.
  • the adjusting nut 7 has a spring support 12, on which the spring 4 comes to rest. Within the spring 4, the adjusting nut 7 extends from the spring seat 12 into a pin 13, which extends into the spring 4, and which has a bottom.
  • a seal 15 is mounted in the form of a sealing ring in a recess of the cylinder 8 of the screw plug 6.
  • the seal 15 on the cylinder 8 of the screw plug 6 serves to ensure that no oil in the cavity, here as in the FIG. 1 is formed left of the seal between the pin 13 and the cylinder 8 is formed.
  • the seal towards this cavity is therefore necessary because otherwise oil penetrating into the cavity could escape through the adjusting element 9 guided through the cylinder 8.
  • the adjusting element 9 is a screw which has a thread 11 in sections, namely at the end facing away from the screw head, which thread positively engages with an internal thread 10 of the cylinder 8 intervenes.
  • the desired spring preload of the spring 4 can be effected by screwing or insertion of the adjusting element 9.
  • the insertion or screwing depth of the adjusting element 9 is equal to the movement of the adjusting linearly along the cylinder 8 of the lock nut 6, the adjustment of the adjusting nut, and thus the spring bias of the spring 4 can be measured on the immersion depth or screwing of the adjusting element 9 become.
  • the FIG. 2 shows the door operating device 1 from FIG. 1 along the line AA in a plan view.
  • the locking screw 6 is designed as a housing cover, the circumference of the circumference of the housing 2 of the door operating part 1 corresponds. Centered in the housing cover 14 of the screw plug 6, the adjusting element 9 is guided, which is designed as a screw with a hexagon socket. It can be seen that a spring bias with the spring 4, the inside of the housing 2 of the door operating device 1 here in the FIG. 2 is mounted below the housing cover 14 of the screw plug 6, can be adjusted without problems by turning the adjusting element 9 with a hexagon socket outside the housing 2.
  • FIG. 3 a side view of the spring adjustment 5, which consists essentially of the screw plug 6, the adjusting nut 7 and the adjusting element 9, wherein the adjusting element 9, which is guided by the screw plug 6 and which comes to rest on the adjusting nut 7 due to the representation not shown here is.
  • the housing cover 14 of the closure screw 6 projects over both the seal 16 bearing against the housing cover 14 and the spring support 12 formed by the adjusting nut 7.
  • the housing cover 14 is adapted in its circumference to the circumference of a housing 2 of a door actuating device 1.
  • the strength of the wall of the housing 2 of course determines the design of the seal 16, which rests between the plug 6 and the inner wall of the housing 2.

Landscapes

  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)

Abstract

Die Erfindung betrifft eine Türbetätigungsvorrichtung (1) umfassend ein Gehäuse (2), wenigstens eine in dem Gehäuse (2) angeordnete Antriebseinheit, die mit einem Türflügel koppelbar ist, und wenigstens einen Federkraftspeicher (3), der mit der Antriebseinheit in Wirkverbindung steht, und welcher eine unter einer Federvorspannung angeordnete Feder (4) aufweist, wobei die Federvorspannung der Feder (4) mittels einer Federverstellung (5) erfolgt, die wenigstens eine mit dem Gehäuse (2) verbindbare Verschlussschraube (6) und eine Verstellmutter (7) umfasst. Erfindungsgemäß ist vorgesehen, dass an der Verschlussschraube (6) ein zur Feder (4) hin ausgerichteter Zylinder (8) ausgestaltet ist, an dem die Verstellmutter (7) linear geführt ist, wobei ein durch die Verschlussschraube (6) geführtes Einstellelement (9), das zumindest abschnittsweise kraft- und/oder formschlüssig in dem Zylinder (8) in Eingriff bringbar ist, und das an der Verstellmutter (7) anliegt, zur Einstellung der Federvorspannung dient.The invention relates to a door operating device (1) comprising a housing (2), at least one drive unit arranged in the housing (2), which can be coupled to a door leaf, and at least one spring force accumulator (3) which is in operative connection with the drive unit, and which comprises a spring (4) arranged under spring preload, wherein the spring preload of the spring (4) takes place by means of a spring adjustment (5) which comprises at least one screw plug (6) which can be connected to the housing (2) and an adjusting nut (7). According to the invention, provision is made on the closure screw (6) for a cylinder (8) aligned with the spring (4), on which the adjusting nut (7) is linearly guided, wherein an adjustment element (9) guided through the closure screw (6) , which at least partially non-positively and / or positively in the cylinder (8) is engageable, and which bears against the adjusting nut (7), is used to adjust the spring preload.

Description

Die Erfindung betrifft eine Türbetätigungsvorrichtung nach dem Oberbegriff von Anspruch 1, umfassend ein Gehäuse, wenigstens eine in dem Gehäuse angeordnete Antriebseinheit, die mit einem Türflügel koppelbar ist, und wenigstens einen Federkraftspeicher, der mit der Antriebseinheit in Wirkverbindung steht, und welche eine unter einer Federvorspannung angeordnete Feder aufweist, wobei die Federvorspannung der Feder mittels einer Federverstellung erfolgt, die wenigstens eine mit dem Gehäuse verbindbare Verschlussschraube und eine Verstellmutter umfasst.The invention relates to a door operating device according to the preamble of claim 1, comprising a housing, at least one arranged in the housing drive unit which is coupled to a door, and at least one spring energy store, which is in operative connection with the drive unit, and which under a spring bias arranged spring, wherein the spring bias of the spring takes place by means of a spring adjustment, which comprises at least one connectable with the housing screw plug and an adjusting nut.

Derartige Türbetätigungsvorrichtungen, welche auch als Türantriebe oder Türschließer bezeichnet werden, sind hinreichend bekannt. Zu unterscheiden sind insbesondere Türbetätigungsvorrichtungen, welche eine elektrohydraulische Einheit umfassen, um auch ein Öffnen der Türen über die Türbetätigungsvorrichtung zu ermöglichen, wohingegen Vorrichtungen ohne einen elektrohydraulischen Antrieb lediglich die Kinematik der Türschließbewegung steuern. Den bekannten Türbetätigungsvorrichtungen ist gemein, dass diese einen Federkraftspeicher aufweisen, der die für die Schließbewegung der Tür erforderliche Energie in Form von mechanischer Arbeit speichert. Dabei erfolgt die Speicherung der mechanischen Arbeit mittels zumindest einer Feder, die vorzugsweise als Druckfeder ausgestaltet ist, welche bei der Öffnungsbewegung der Tür gespannt wird. Durch eine Schließbewegung der Tür erfolgt eine Entspannung der Druckfeder, wodurch die gespeicherte mechanische Arbeit in Form von Energie frei wird und die Schließbewegung der Tür bewirkt.Such door actuation devices, which are also referred to as door drives or door closers, are well known. In particular, door actuation devices are to be distinguished, which comprise an electro-hydraulic unit, in order to also enable the doors to be opened via the door actuation device, whereas devices without an electro-hydraulic drive merely control the kinematics of the door closing movement. The known door operating devices have in common that they have a spring energy storage, which stores the energy required for the closing movement of the door in the form of mechanical work. The storage of mechanical work by means of at least one spring, which is preferably designed as a compression spring, which is tensioned during the opening movement of the door. By a closing movement of the door, a relaxation of the compression spring, whereby the stored mechanical work in the form of energy is released and causes the closing movement of the door.

Die Türbetätigungsvorrichtungen können entweder im Türrahmen eingesetzt oder im Türblatt selbst integriert werden. Beim Einsatz der bekannten Türbetätigungsvorrichtungen in Brandschutztüren müssen Mindestschließmomente der Türen erreicht werden, wobei diese abhängig von der Breite und von dem Gewicht der Türen sind. Dabei sind Vorgaben einzuhalten, welche beispielsweise die Verfügbarkeit einer mechanisch gespeicherten Energie in Türbetätigungsvorrichtungen betreffen, sodass eine Brandschutztür auch bei einem Stromausfall und damit einem Ausfall einer möglichen Steuerung der Türbetätigungsvorrichtung ein selbsttätiges Schließen der Tür ausführt. Um für eine Vielzahl von Varianten hinsichtlich verschiedener Türbreiten und Türgewichte einheitliche Betätigungsvorrichtungen der Türblätter zu schaffen, werden Federverstellungen vorgesehen, mittels der die Vorspannkraft der Druckfeder, die die mechanische Energie zur Bereitstellung eines Mindestschließmomentes des Türblattes speichert, verstellt werden kann.The door actuators can either be used in the door frame or integrated in the door leaf itself. When using the known door operating devices in fire doors minimum closing moments of the doors must be achieved, these being dependent on the width and the weight of the doors. In this case, specifications are to be complied with, which concern, for example, the availability of a mechanically stored energy in door actuation devices, so that a fire door executes an automatic closing of the door even in the event of a power failure and thus a failure of a possible control of the door operating device. In order to provide for a variety of variants with respect to different door widths and door weights uniform actuators of the door leaves, spring adjustments are provided by means of which the biasing force of the compression spring, which stores the mechanical energy to provide a minimum closing torque of the door leaf, can be adjusted.

Aus dem Gebrauchsmuster DE 92 09 276 U1 ist eine Federverstellung bekannt, welche eine Stützscheibe umfasst, auf der die Druckfeder endseitig aufliegt. Die Stützscheibe weist ein Innengewinde auf, in welches eine Federverstellung eingeschraubt ist, wobei die Federverstellung axial fixiert in einer Verschlussschraube endseitig am Gehäuse der Vorrichtung angeordnet ist. Durch ein Verdrehen der Federverstellung wird eine axiale Bewegung der Stützscheibe hervorgerufen, sodass die Druckfeder komprimiert bzw. entspannt wird. Dabei kann sich die Stützscheibe mitdrehen, sofern diese nicht aufwendig im Gehäuse über entsprechende Führungsnuten axial geführt ist.From the utility model DE 92 09 276 U1 is a spring adjustment known which comprises a support disk on which the compression spring rests end side. The support disk has an internal thread, into which a spring adjustment is screwed, wherein the spring adjustment is axially fixed in a screw plug at the end of the housing of the device. By rotating the spring adjustment an axial movement of the support disk is caused, so that the compression spring is compressed or relaxed. In this case, the support disk can rotate with it, unless this is done in a complex manner in the housing via corresponding guide grooves axially.

Aus der DE 32 24 300 C2 ist ein Türschließer mit einer einstellbaren Schließkraft bekannt. Dieser weist wenigstens eine im Schließergehäuse angeordnete, mit einem Ende an einem verstellbaren Teller abgestützte Druckfeder und eine von außerhalb des Gehäuses betätigbare Einrichtung zur Tellerverstellung auf. Der Teller ist dabei auf einer drehbar gelagerten antreibbaren Gewindespindel angeordnet, wobei der auf einer Gewindespindel angeordnete Federteller über ein Schneckengetriebe angetrieben ist. Diese aufwendige Ausgestaltung, nämlich insbesondere das Schneckengetriebe nimmt dabei einen erheblichen Platz in Anspruch, da eine tangential zum Schneckenrad angeordnete Antriebsschnecke nicht auf einen kleinen Bauraum integrierbar ist.From the DE 32 24 300 C2 a door closer with an adjustable closing force is known. This has at least one arranged in the closer housing, with one end supported on an adjustable plate compression spring and operable from outside the housing means for adjusting the plate. The plate is arranged on a rotatably mounted drivable threaded spindle, wherein the arranged on a threaded spindle spring plate is driven by a worm gear. This elaborate design, namely in particular the worm gear takes a considerable amount of space, since a tangentially arranged to the worm drive screw can not be integrated into a small space.

Bei dem bekannten Stand der Technik ist es nachteilig, dass die Ausführungen zur Federverstellung zum einen einen erheblichen Bauraum in Anspruch nehmen, sodass eine schmalbauende Ausführung einer Türbetätigungsvorrichtung nicht möglich ist, um diese vorzugsweise in ein Türblatt zu integrieren oder allgemein an einem Ort einzubauen, an dem nur ein stark begrenzter Bauraum zur Verfügung steht. Zum anderen erfordern die bekannten Türbetätigungsvorrichtungen einen erheblichen Fertigungstechnischen Aufwand.In the known state of the art, it is disadvantageous that the embodiments for spring adjustment on the one hand take up a considerable amount of space, so that a slender construction of a door operating device is not possible to integrate them preferably in a door leaf or to install generally in one place which only a very limited space is available. On the other hand, the known door actuation devices require considerable manufacturing effort.

Es ist daher die Aufgabe der vorliegenden Erfindung, eine Türbetätigungsvorrichtung mit einer Federverstellung zu schaffen, welche die aus dem Stand der Technik bekannten Nachteile überwindet. Zudem ist es die Aufgabe der vorliegenden Erfindung durch Ausgestaltung der Federverstellung dessen fertigungstechnischen Aufwand zu verringern.It is therefore the object of the present invention to provide a door operating device with a spring adjustment, which overcomes the disadvantages known from the prior art. In addition, it is the object of the present invention by designing the spring adjustment whose manufacturing effort to reduce.

Diese Aufgabe wird ausgehend von einer Türbetätigungsvorrichtung gemäß des Oberbegriffes des Anspruches 1 in Verbindung mit dessen kennzeichnenden Merkmalen gelöst. Vorteilhafte Weiterbildungen der vorliegenden Erfindung sind in den abhängigen Ansprüchen angegeben.This object is based on a door operating device according to the preamble of claim 1 in conjunction with the solved characterizing features. Advantageous developments of the present invention are specified in the dependent claims.

Die Erfindung schließt die technische Lehre ein, dass an der Verschlussschraube ein zur Feder hin ausgerichteter Zylinder ausgestaltet ist, an dem die Verstellmutter linear geführt ist, wobei ein durch die Verschlussschraube geführtes Einstellelement, das zumindest abschnittsweise kraft- und/oder formschlüssig mit dem Zylinder in Eingriff bringbar ist, und dass an der Verstellmutter anliegt, zur Einstellung der Federvorspannung dient.The invention includes the technical teaching that on the screw plug to a spring-oriented cylinder is configured, on which the adjusting nut is linearly guided, wherein a guided by the screw adjusting screw, which at least partially non-positively and / or positively with the cylinder in Engagement can be brought, and that bears against the adjusting nut, is used to adjust the spring preload.

Diese Lösung bietet den Vorteil, dass eine Federverstellung geschaffen ist, welche einen geringen Bauraum einnimmt und die aufgrund des durch die Verschlussschraube geführten Einstellelementes, welches an der Verstellmutter anliegt, und welches zur Einstellung der Federvorspannung dient, eine fertigungstechnisch einfache Lösung bietet. Durch das zumindest abschnittsweise kraft- und/oder formschlüssig mit dem Zylinder in Eingriff bringbare Einstellelement, wobei das Einstellelement an der Verstellmutter anliegt, die auf dem Zylinder gleitend gehalten ist, wird durch Vortrieb des Einstellelementes das Verstellelement dem Vortrieb des Einstellelements folgend in Richtung der Feder bewegt. Dabei wird die Feder durch die an dem Verstellelement ausgestaltete Federauflage komprimiert. Insofern ist der Vorschub des Einstellelementes gleich dem Weg der Kompression der Feder. Dadurch lässt sich in vorteilhafter Weise der Verstellweg der Feder bzw. des Verstellelementes, welches die Feder komprimiert durch Messung der Einschubtiefe des Einstellelementes in der Verschlusschraube prüfen. Zudem ist vorteilig, dass eine Verdrehsicherung im Inneren der Verschlussschraube bzw. der Verstellschraube überflüssig wird, da keine großen Anforderungen an innere Geometrien, wie sie aus dem Stand der Technik bekannt sind, notwendig sind. Zudem können durch einfaches ändern der Schraubenlänge verschiedene Verstellweiten realisiert werden, was die erfindungsgemäße Federverstellung zu einer produktübergreifenden, anwendbaren Universalkomponente macht.
Dadurch, dass bei der erfindungsgemäßen Federverstellung die Verstellmutter dicht auf einem Zylinder linear geführt wird, wobei dieser Zylinder Bestandteil der Verschlussschraube ist, muss die erfindungsgemäße Türbetätigungsvorrichtung, hier insbesondere die Verstellmutter nicht verdrehgesichert werden. Dies wird dadurch erreicht, dass das Einstellelement, welches durch die Verschlussschraube geführt wird, gegen die Verstellmutter drückt, wobei die Verstellmutter in Richtung der Feder geführt wird, was einer Verstellung der Feder ermöglicht. Entsprechend kann die erfindungsgemäße Türbetätigungsvorrichtung auch ohne eine besondere Ausgestaltung, beispielsweise als eine als Mehrkant ausgebildete Verstellmutter auch zur Einstellung von Federn verwendet werden, deren Presskraft an sich nicht ausreichen würde, um ein Mitdrehen der Verstellmutter in der Türbetätigungsvorrichtung zu verhindern.This solution has the advantage that a spring adjustment is created, which occupies a small space and due to the guided through the screw adjusting screw, which is applied to the adjusting nut, and which serves to adjust the spring preload, provides a simple manufacturing technology solution. By the at least partially non-positively and / or positively engageable with the cylinder engaging adjustment element, wherein the adjustment abuts the adjusting nut, which is slidably supported on the cylinder, the adjustment is the propulsion of the adjusting element in the direction of the spring by propulsion of the adjusting element emotional. In this case, the spring is compressed by the configured on the adjusting spring rest. In this respect, the feed of the adjusting element is equal to the way the compression of the spring. This makes it possible to advantageously check the adjustment of the spring or the adjusting element, which compresses the spring by measuring the insertion depth of the adjusting element in the Verschlusschraube. In addition, it is advantageous that an anti-rotation lock in the interior of the screw plug or the adjusting screw becomes superfluous, since there are no great requirements for internal geometries, as known from the prior art, necessary. In addition, by simply changing the screw length different Verstellweiten can be realized, which makes the spring adjustment according to the invention to a cross-product, applicable universal component.
Characterized in that in the spring adjustment according to the invention, the adjusting nut is guided linearly tight on a cylinder, said cylinder being part of the screw, the door actuating device according to the invention, in particular the adjusting nut does not have to be secured against rotation. This is achieved in that the adjusting element, which is guided by the screw plug, presses against the adjusting nut, wherein the adjusting nut is guided in the direction of the spring, which allows an adjustment of the spring. Accordingly, the door operating device according to the invention can also be used without setting a special design, for example as an adjusting nut designed as a polygon for adjusting springs whose pressing force would not be sufficient in itself to prevent co-rotation of the adjusting nut in the door operating device.

Vorzugsweise wird das Einstellelement in einer Bohrung des Zylinders geführt, wobei die Bohrung zumindest abschnittsweise ein Innengewinde aufweist, welches mit einem entsprechenden zumindest abschnittsweise am Einstellelement ausgestalteten Gewinde formschlüssig in Eingriff bringbar ist. Durch Auslegung des Gewindes, nämlich durch dessen Steigung kann dabei in bevorzugter Weise der abschnittsweise Vortrieb des Einstellelementes von Gewindegang zu Gewindegang eingestellt werden. Mit Vorschub, bzw. mit Einschrauben des Einstellelementes wird das Verstellelement, an dem das Einstellelement anliegt, mit dem Vorschub des Einstellelementes in Richtung der Feder bewegt. Dazu ist die Verstellmutter vorzugsweise unterhalb der Federauflage als Zapfen ausgebildet, der den Zylinder der Verschlussschraube und das durch die Verschlussschraube eingeführte Einstellelement zumindest teilweise umschließt. Dabei liegt das Einstellelement bevorzugt mit einem seiner Enden an einem durch den Zapfen gebildeten Boden innerhalb der Verstellmutter an diesem Boden an. Da der Zapfen in vorteilhafter Weise zur Verschlussschraube hin sich in einer Federauflage erstreckt, wobei mit Vorschub des Einstellelementes, welches auf dem Boden des Zapfens zur Anlage kommt, die Federauflage mitbewegt wird, wird dadurch auch die Feder komprimiert.Preferably, the adjusting element is guided in a bore of the cylinder, wherein the bore has, at least in sections, an internal thread which can be brought into positive engagement with a corresponding thread configured at least in sections on the adjusting element. By design of the thread, namely by its pitch can be adjusted in a preferred manner, the section-wise propulsion of the adjustment of thread to thread. With feed, or with screwing of the adjusting element, the adjusting element against which the adjusting element is moved with the advance of the adjusting element in the direction of the spring. For this purpose, the adjusting nut is preferably below the spring support as a pin formed, which at least partially surrounds the cylinder of the locking screw and the adjustment introduced by the screw plug. The adjusting element is preferably located at one of its ends on a bottom formed by the pin within the adjusting nut on this floor. Since the pin extends in an advantageous manner to the locking screw out in a spring support, wherein with advance of the adjusting element, which comes to rest on the bottom of the pin, the spring support is moved, thereby also the spring is compressed.

In bevorzugter Weise erstreckt sich der Zapfen zumindest abschnittsweise in die Feder hinein, sodass die Feder den Zapfen umgibt. Dadurch weist die Federverstellung der vorliegenden Erfindung eine besonders kleine Bauform auf, da sowohl das Verstellelement mit seinem Zapfen als auch das Einstellelement, zumindest abschnittsweise, innerhalb der Feder angeordnet sind.Preferably, the pin extends at least partially into the spring, so that the spring surrounds the pin. As a result, the spring adjustment of the present invention has a particularly small design, since both the adjusting element with its pin and the adjusting element, at least in sections, are arranged within the spring.

Eine weitere Reduzierung der Größe der Bauform wird dadurch erreicht, dass die Verschlussschraube, an deren Zylinder, der sich mit dem Verstellelement in die Feder hinein erstreckt, und an dem das Verstellelement linear geführt wird, als Gehäusedeckel für ein Ende des Gehäuses des Türbetätigungsteils ausgestaltet ist. Dazu weist die Verschlussschraube bevorzugt ein Außengewinde auf, das in ein Innengewinde des Gehäuses des Türbetätigungsteils geschraubt wird.A further reduction in the size of the design is achieved in that the closure screw, on the cylinder, which extends with the adjusting element into the spring, and on which the adjusting element is guided linearly, is designed as a housing cover for one end of the housing of the door operating part , For this purpose, the closure screw preferably has an external thread which is screwed into an internal thread of the housing of the door operating part.

Da normalerweise die Federn in den Federkraftspeichern ölgelagert sind, weist dazu die Verschlussschraube in ihrem als Gehäusedeckel ausgestalteten Abschnitt wenigstens einen Dichtring auf, der zwischen Verschlussschraube und der Innenwand des Gehäuses anliegt. Der Gehäusedeckel, der durch die Verschlussschraube gebildet wird, ist vorzugsweise in seinem Umfang, d. h. in seinen dem zylinderüberkragenden Abschnitten an den Umfang des Gehäuses des Türbetätigungsteils angepasst.Since normally the springs are oil-stored in the spring force accumulators, to this end, the closure screw has at least one sealing ring in its section designed as a housing cover, which rests between the locking screw and the inner wall of the housing. The housing cover, which is formed by the screw plug, is preferably in its circumference, ie adapted in its the cylinder overhanging portions of the circumference of the housing of the door operating part.

Wie bereits beschrieben, eignet sich die Einschubtiefe, und hier insbesondere die Einschraubtiefe des Einstellelementes in die Verschlussschraube dazu, den Verstellweg der Verstellmutter zu prüfen. Vorzugsweise ist dazu das Einstellelement zentral durch die Verschlussschraube geführt. Genauer gesagt, ist das Einstellelement in einer Bohrung, die durch die Verschlussschraube läuft, geführt. Demnach kann das Einstellelement an der Außenseite des durch die Verschlussschraube gebildeten Gehäusedeckels bedient werden.As already described, the insertion depth, and in particular the depth of engagement of the adjusting element into the screw plug, is suitable for checking the adjusting travel of the adjusting nut. Preferably, the adjusting element is guided centrally through the screw plug. More precisely, the adjusting element is guided in a bore which runs through the locking screw. Accordingly, the adjustment can be operated on the outside of the housing cover formed by the screw plug.

In vorteilhafter Weise handelt es sich bei dem Einstellelement um eine Schraube, dessen Gewinde in formschlüssigem Eingriff mit dem Innengewinde des Zylinders der Verschlussschraube gebracht wird. Durch Drehen der Schraube von außen am Gehäusedeckel, der durch die Verschlussschraube gebildet wird, kann so die Schraube in Richtung der Feder gedreht werden. Dabei nimmt die Schraube, da sie an dem Boden des Zapfens des Verstellelementes anliegt, das Verstellelement und das mit dem Verstellelement ausgebildete Federlager mit, wobei die Feder komprimiert, bzw. das Türbetätigungsteil entsprechend der Anforderungen, die durch die Gegebenheiten gestellt werden, eingestellt wird.Advantageously, the adjusting element is a screw whose thread is brought into positive engagement with the internal thread of the cylinder of the screw plug. By turning the screw from the outside of the housing cover, which is formed by the screw plug, so the screw can be rotated in the direction of the spring. In this case, the screw, since it rests against the bottom of the pin of the adjustment, the adjustment and trained with the adjustment spring bearing, with the spring compressed, or the door operating part according to the requirements that are set by the circumstances set.

Bei der Feder handelt es sich in bevorzugter Weise um eine Druckfeder. Durch Kompression der Druckfeder, nämlich durch das Verstellelement, welches mit der Schraube bzw. dem Einstellelement mit seinem Zapfen in die Feder hineingedrückt wird und dabei das Federlager mitnimmt, kann die Druckfeder auf die gewünschte Vorspannung gebracht werden. Die Vorspannung der Druckfeder wird dabei so eingestellt, dass die zum Schließen eines Türblattes beim Öffnen der Tür zu speichernde Energie, ausreicht, um den Türflügel wieder selbsttätig zu schließen.The spring is preferably a compression spring. By compression of the compression spring, namely by the adjusting element, which is pressed with the screw or the adjusting element with its pin in the spring and thereby entrains the spring bearing, the compression spring can be brought to the desired bias. The Preload the compression spring is adjusted so that the closing of a door leaf when opening the door to be stored energy, sufficient to close the door again automatically.

Bei der Feder kann es sich aber auch um eine Zugfeder handeln. Auch kann der Federkraftspeicher, d. h. die Feder des Federkraftspeichers durch andere kraft- bzw. energiespeichernde Elemente ersetzt werden.The spring may also be a tension spring. Also, the spring energy storage, d. H. the spring of the spring force memory to be replaced by other force or energy-storing elements.

Weitere, die Erfindung verbessernde Maßnahmen werden nachstehend gemeinsam mit der Beschreibung eines bevorzugten Ausführungsbeispiels der Erfindung anhand der Figuren näher dargestellt. Es zeigen:

Fig. 1
einen Federkraftspeicher in einem Türbetätigungsteil in einer seitlichen Schnittansicht,
Fig. 2
zeigt das Türbetätigungsteil in einer Draufsicht entlang der Linie AA der Figur 1 und
Fig. 3
zeigt die Federverstellung für den Federkraftspeicher des Türbetätigungsteils aus Figur 1 in einer Seitenansicht.
Further, measures improving the invention will be described in more detail below together with the description of a preferred embodiment of the invention with reference to FIGS. Show it:
Fig. 1
a spring force accumulator in a door operating part in a lateral sectional view,
Fig. 2
shows the door operating part in a plan view along the line AA FIG. 1 and
Fig. 3
shows the spring adjustment for the spring energy storage of the door operating part FIG. 1 in a side view.

In den unterschiedlichen Figuren sind gleiche Teile stets mit denselben Bezugszeichen versehen, weshalb diese in der Regel auch nur einmal beschrieben werden.In the different figures, the same parts are always provided with the same reference numerals, which is why they are usually described only once.

Die Figur 1 zeigt eine Türbetätigungsvorrichtung 1, wobei hier nur ein Teil der Türbetätigungsvorrichtung 1, nämlich der Federkraftspeicher 3 dargestellt ist. Die Türbetätigungsvorrichtung 1 umfasst dabei ein Gehäuse 2 in dem in üblicher Weise eine hier nicht dargestellte Antriebseinheit angeordnet ist, über die ein Türflügel koppelbar ist. Der in der Figur dargestellte Teil der Türbetätigungsvorrichtung 1, nämlich der Federkraftspeicher 3, der im gleichen Gehäuse 2 wie die Antriebseinheit angeordnet ist, steht in Wirkverbindung mit der Antriebseinheit. Innerhalb des Gehäuses 2 ist eine Feder 4 angeordnet, wobei es sich bei der Feder 4 bevorzugt um eine Druckfeder handelt, die unter einer Federvorspannung steht. Die Federvorspannung der Feder 4 erfolgt mittels einer Federverstellung 5 die eine Verschlussschraube 6 und eine Verstellmutter 7 umfasst. Die Verschlussschraube 6 ist wie in der Figur dargestellt als Gehäusedeckel 14 ausgestaltet, der ein Ende des Gehäuses 2 der Türbetätigungsvorrichtung 1 verschließt. Dazu ist zwischen dem Gehäusedeckel 14 der Verschlussschraube 6 und dem Gehäuse 2 an der Verschlussschraube 6 ein Dichtring 16 ausgestaltet, um beispielsweise einen Austritt von Öl aus dem Federkraftspeicher 3 zu verhindern. Zur Feder 4 hin geht die Verschlussschraube 6 aus dem Gehäusedeckel 14 in einen Zylinder 8 über, der in Richtung der Feder 4 ausgestaltet ist. An dem Zylinder 8 wird die Verstellmutter 7 linear geführt. Die Verstellmutter 7 weist eine Federauflage 12 auf, an der die Feder 4 zur Auflage kommt. Innerhalb der Feder 4 erstreckt sich die Verstellmutter 7 ausgehend von der Federauflage 12 in einen Zapfen 13, der sich in die Feder 4 hinein erstreckt, und der einen Boden aufweist. Zwischen dem Zylinder 8 der Verschlussschraube 6 und dem Zapfen 13 der Verstellmutter 7 ist eine Dichtung 15 in Form eines Dichtringes in einer Ausnehmung des Zylinders 8 der Verschlussschraube 6 gelagert. Die Dichtung 15 am Zylinder 8 der Verschlussschraube 6 dient dazu, dass kein Öl in den Hohlraum, der hier wie in der Figur 1 dargestellt links von der Dichtung zwischen dem Zapfen 13 und dem Zylinder 8 gebildet wird. Die Abdichtung zu diesem Hohlraum hin ist deswegen notwendig, da ansonsten in den Hohlraum eindringendes Öl durch das durch den Zylinder 8 geführte Einstellelement 9 austreten könnte. Zudem ist dieser Hohlraum bzgl. seiner Größe variabel, je nach Einschubtiefe des Einstellelementes 9. Vorliegend handelt es sich bei dem Einstellelement 9 um eine Schraube, die abschnittsweise, nämlich an dem dem Schraubenkopf abgewandten Ende ein Gewinde 11 aufweist, welches mit einem Innengewinde 10 des Zylinders 8 formschlüssig eingreift. Durch Drehung des Einstellelementes 9 dreht sich dieses entsprechend des Gewindes 10 und 11 in den Zylinder 8 hinein und drückt dabei den Zapfen 13, an dem das Einstellelement 9 anliegt, nämlich an dessen Boden, in Eindrehrichtung in die Feder 4.The FIG. 1 shows a door operating device 1, wherein only a part of the door operating device 1, namely the spring energy storage 3 is shown here. The door operating device 1 comprises a housing 2 in the usual manner not shown here Drive unit is arranged, via which a door is coupled. The illustrated in the figure part of the door operating device 1, namely the spring energy storage 3, which is arranged in the same housing 2 as the drive unit, is in operative connection with the drive unit. Within the housing 2, a spring 4 is arranged, wherein it is preferably the spring 4 is a compression spring which is under a spring bias. The spring bias of the spring 4 by means of a spring adjustment 5 which includes a screw plug 6 and an adjusting nut 7. The closure screw 6 is designed as shown in the figure as a housing cover 14, which closes one end of the housing 2 of the door operating device 1. For this purpose, a sealing ring 16 is configured between the housing cover 14 of the locking screw 6 and the housing 2 on the locking screw 6 in order to prevent, for example, an escape of oil from the spring force accumulator 3. Towards the spring 4, the locking screw 6 moves out of the housing cover 14 into a cylinder 8, which is designed in the direction of the spring 4. On the cylinder 8, the adjusting nut 7 is guided linearly. The adjusting nut 7 has a spring support 12, on which the spring 4 comes to rest. Within the spring 4, the adjusting nut 7 extends from the spring seat 12 into a pin 13, which extends into the spring 4, and which has a bottom. Between the cylinder 8 of the screw plug 6 and the pin 13 of the adjusting nut 7, a seal 15 is mounted in the form of a sealing ring in a recess of the cylinder 8 of the screw plug 6. The seal 15 on the cylinder 8 of the screw plug 6 serves to ensure that no oil in the cavity, here as in the FIG. 1 is formed left of the seal between the pin 13 and the cylinder 8 is formed. The seal towards this cavity is therefore necessary because otherwise oil penetrating into the cavity could escape through the adjusting element 9 guided through the cylinder 8. In addition, this is In the present case, the adjusting element 9 is a screw which has a thread 11 in sections, namely at the end facing away from the screw head, which thread positively engages with an internal thread 10 of the cylinder 8 intervenes. By rotation of the adjusting element 9, this rotates according to the thread 10 and 11 in the cylinder 8 and thereby presses the pin 13, on which the adjusting element 9 is applied, namely at the bottom in the direction of insertion into the spring 4th

Mit dem Zapfen 9 bewegt sich auch die aus dem Zapfen 7 zum Gehäusedeckel 14 der Verschlussschraube 6 hin erstreckende Federauflage 7 und komprimiert dabei die Feder 4. Damit kann durch Eindrehen, bzw. Einschieben des Einstellelementes 9 die gewünschte Federvorspannung der Feder 4 bewirkt werden.With the pin 9 also moves from the pin 7 to the housing cover 14 of the screw 6 towards extending spring support 7 and thereby compresses the spring 4. Thus, the desired spring preload of the spring 4 can be effected by screwing or insertion of the adjusting element 9.

Um ein Gleiten der Verstellmutter 7 linear an dem Zylinder 8 der Verschlussschraube 6 zu erleichtern, weist die Verstellmutter 7 im Bereich der Federauflage Flächen 17 auf, die einen Öldurchfluss zum Zylinder 8 des Verschlusselementes 6 ermöglichen.In order to facilitate a sliding of the adjusting nut 7 linearly on the cylinder 8 of the closure screw 6, the adjusting nut 7 in the region of the spring support surfaces 17 which allow an oil flow to the cylinder 8 of the closure element 6.

Da die Einschub-, bzw. Einschraubtiefe des Einstellelementes 9 gleich der Bewegung der Verstellmutter linear entlang des Zylinders 8 der Verschlussmutter 6 ist, kann über die Eintauchtiefe, bzw. Einschraubtiefe des Einstellelementes 9 der Verstellweg der Verstellmutter, und damit die Federvorspannung der Feder 4 gemessen werden.Since the insertion or screwing depth of the adjusting element 9 is equal to the movement of the adjusting linearly along the cylinder 8 of the lock nut 6, the adjustment of the adjusting nut, and thus the spring bias of the spring 4 can be measured on the immersion depth or screwing of the adjusting element 9 become.

Die Figur 2 zeigt die Türbetätigungsvorrichtung 1 aus Figur 1 entlang der Linie AA in einer Draufsicht. Die Verschlussschraube 6 ist als Gehäusedeckel ausgebildet, dessen Umfang dem Umfang des Gehäuses 2 des Türbetätigungsteils 1 entspricht. Zentriert in dem Gehäusedeckel 14 der Verschlussschraube 6 ist das Einstellelement 9 geführt, welches als eine Schraube mit einem Innensechskant ausgeführt ist. Es ist ersichtlich, dass eine Federvorspannung mit der Feder 4, die innerhalb des Gehäuses 2 der Türbetätigungsvorrichtung 1 hier in der Figur 2 unterhalb des Gehäusedeckels 14 der Verschlussschraube 6 gelagert ist, durch Drehen des Einstellelementes 9 mit einem Innensechskant außerhalb des Gehäuses 2 unproblematisch eingestellt werden kann.The FIG. 2 shows the door operating device 1 from FIG. 1 along the line AA in a plan view. The locking screw 6 is designed as a housing cover, the circumference of the circumference of the housing 2 of the door operating part 1 corresponds. Centered in the housing cover 14 of the screw plug 6, the adjusting element 9 is guided, which is designed as a screw with a hexagon socket. It can be seen that a spring bias with the spring 4, the inside of the housing 2 of the door operating device 1 here in the FIG. 2 is mounted below the housing cover 14 of the screw plug 6, can be adjusted without problems by turning the adjusting element 9 with a hexagon socket outside the housing 2.

Wie bereits beschrieben, drückt dabei das Einstellelement 9, das an der Verstellmutter 7, die hier aufgrund der Darstellung, da sie unterhalb des Gehäusedeckels 14 der Verschlussschraube 6 innerhalb des Gehäuses 2 gelagert ist, mit deren Federauflage 12 gegen die Feder 4.As already described, it presses the adjusting element 9, which on the adjusting nut 7, which is here due to the representation, since it is mounted below the housing cover 14 of the screw 6 within the housing 2, with the spring rest 12 against the spring 4th

Schließlich zeigt Figur 3 eine Seitenansicht der Federverstellung 5, die im Wesentlichen aus der Verschlussschraube 6, der Verstellmutter 7 und dem Einstellelement 9 besteht, wobei das Einstellelement 9, welches durch die Verschlussschraube 6 geführt ist und welches an der Verstellmutter 7 zur Anlage gelangt aufgrund der Darstellung hier nicht gezeigt ist. Der Gehäusedeckel 14 der Verschlussschraube 6 überkragt sowohl die an dem Gehäusedeckel 14 anliegende Dichtung 16, als auch die durch die Verstellmutter 7 gebildete Federauflage 12. Dabei ist der Gehäusedeckel 14 in seinem Umfang dem Umfang eines Gehäuses 2 einer Türbetätigungsvorrichtung 1 angepasst. Die Stäke der Wandung des Gehäuses 2 bestimmt dabei selbstverständlich die Ausgestaltung der Dichtung 16, die zwischen der Verschlussschraube 6 und der Innenwandung des Gehäuses 2 anliegt. Unterhalb des Gehäusedeckels 4 und unterhalb der Dichtung 16 der Verschlussschraube 6 mündet, bzw. erstreckt sich die Verschlussschraube 6 in den Zylinder 8. Um den Zylinder 8 herum ist die Verstellmutter 7 ausgebildet, die linear an dem Zylinder 8 geführt wird. Im oberen Teil der Verstellmutter 7 weist diese oberhalb der Federauflage 12 Flächen 17 für einen Öldurchfluss auf, um die lineare Führung der Verstellmutter 7 auf den Zylinder 8 der Verschlussschraube 6 schmieren zu können.Finally shows FIG. 3 a side view of the spring adjustment 5, which consists essentially of the screw plug 6, the adjusting nut 7 and the adjusting element 9, wherein the adjusting element 9, which is guided by the screw plug 6 and which comes to rest on the adjusting nut 7 due to the representation not shown here is. The housing cover 14 of the closure screw 6 projects over both the seal 16 bearing against the housing cover 14 and the spring support 12 formed by the adjusting nut 7. The housing cover 14 is adapted in its circumference to the circumference of a housing 2 of a door actuating device 1. The strength of the wall of the housing 2 of course determines the design of the seal 16, which rests between the plug 6 and the inner wall of the housing 2. Below the housing cover 4 and below the seal 16 of the screw plug 6 opens, or extends the screw plug 6 in the cylinder 8. Around the cylinder 8 around the adjusting nut 7 is formed, the linear on the Cylinder 8 is guided. In the upper part of the adjusting nut 7, this has above the spring support 12 surfaces 17 for an oil flow in order to lubricate the linear guide of the adjusting nut 7 on the cylinder 8 of the screw plug 6 can.

Aus der Seitenansicht der Federverstellung 5 ist zu erkennen, dass deren Baugröße durch Durchführung des Einstellelementes 9 durch die Verschlussschraube 6 und durch Aufnahme des Einstellelementes 9 in die Verstellmutter 7, an der das Einstellelement 9 zur Anlage gelangt, auf ein Minimum reduziert ist, wobei dennoch eine einfache Einstellung, d. h. eine Federvorspannung der Feder 4 durch das Einstellelement 9 über den Gehäusedeckels 14 der Verschlussschraube 6 weiterhin gewährleistet wird. Zudem ist eine einfache Prüfung des Verstellweges der Verstellmutter 7 durch Messen der Einschraub- bzw. Einschubtiefe des Einstellelementes 9 auf einfache Weise gewährleistet.From the side view of the spring adjustment 5 it can be seen that their size is reduced to a minimum by carrying out the adjustment element 9 through the screw plug 6 and by receiving the adjusting element 9 in the adjusting nut 7, where the adjusting element 9 comes to bear, yet a simple setting, d. H. a spring bias of the spring 4 is further ensured by the adjusting element 9 on the housing cover 14 of the screw plug 6. In addition, a simple check of the adjustment of the adjusting nut 7 is ensured by measuring the screwing or insertion depth of the adjusting element 9 in a simple manner.

Die Erfindung beschränkt sich in ihrer Ausführung nicht auf das vorhergehend angegebene bevorzugte Ausführungsbeispiel. Vielmehr ist eine Anzahl von Varianten denkbar, welche von der dargestellten Lösung auch bei grundsätzlich anders gearteten Ausführungen Gebrauch macht. Sämtliche aus den Ansprüchen, der Beschreibung oder den Zeichnungen hervorgehenden Merkmale und/oder Vorteile, einschließlich konstruktiver Einzelheiten, räumliche Anordnungen und evtl. Verfahrensschritte können sowohl für sich als auch in den verschiedensten Kombinationen erfindungswesentlich sein.The invention is not limited in its execution to the above-mentioned preferred embodiment. Rather, a number of variants is conceivable, which makes use of the illustrated solution even with fundamentally different types of use. All of the claims, the description or the drawings resulting features and / or advantages, including design details, spatial arrangements and possibly procedural steps may be essential to the invention both in itself and in a variety of combinations.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
TürbetätigungsvorrichtungDoor actuator
22
Gehäusecasing
33
FederkraftspeicherStored energy
44
Federfeather
55
Federverstellungspring adjustment
66
Verschlussschraube zu 5Locking screw to 5
77
Verstellmutter zu 5Adjusting nut to 5
88th
Zylinder zu 6Cylinder to 6
99
Einstellelement zu 5Adjusting element to 5
1010
Innengewinde zu 8Internal thread to 8
1111
Gewinde zu 9Thread to 9
1212
Federauflage zu 7Spring pad to 7
1313
Zapfen zu 7Tenon to 7
1414
Gehäusedeckel zu 6Housing cover to 6
1515
Dichtung zwischen 8 und 7Seal between 8 and 7
1616
Dichtung zwischen 6 und 2Seal between 6 and 2
1717
Flächen für ÖldurchflussAreas for oil flow

Claims (10)

Türbetätigungsvorrichtung (1), umfassend ein Gehäuse (2), wenigstens eine in dem Gehäuse (2) angeordnete Antriebseinheit, die mit einem Türflügel koppelbar ist, und wenigstens einen Federkraftspeicher (3), der mit der Antriebseinheit in Wirkverbindung steht, und welcher eine unter einer Federvorspannung angeordnete Feder (4) aufweist, wobei die Federvorspannung der Feder (4) mittels einer Federverstellung (5) erfolgt, die wenigstens eine mit dem Gehäuse (2) verbindbare Verschlussschraube (6) und eine Verstellmutter (7) umfasst, dadurch gekennzeichnet, dass an der Verschlussschraube (6) ein zur Feder (4) hin ausgerichteter Zylinder (8) ausgestaltet ist, an dem die Verstellmutter (7) linear geführt ist, wobei ein durch die Verschlussschraube (6) geführtes Einstellelement (9), das zumindest abschnittsweise kraft- und/oder formschlüssig in dem Zylinder (8) in Eingriff bringbar ist, und das an der Verstellmutter (7) anliegt, zur Einstellung der Federvorspannung dient.Door operating device (1) comprising a housing (2), at least one in the housing (2) arranged drive unit which is coupled to a door leaf, and at least one spring energy store (3), which is in operative connection with the drive unit, and which under a spring bias arranged spring (4), wherein the spring bias of the spring (4) by means of a spring adjustment (5), which comprises at least one with the housing (2) connectable screw plug (6) and an adjusting nut (7), characterized in that a cylinder (8) aligned with the spring (4) is designed on the closure screw (6), on which the adjusting nut (7) is linearly guided, wherein an adjustment element (9) guided by the closure screw (6), at least in sections non-positively and / or positively in the cylinder (8) is engageable, and which abuts the adjusting nut (7), is used to adjust the spring preload. Türbetätigungsvorrichtung (1) nach Anspruch 1, dadurch gekennzeichnet, dass in dem Zylinder (8) zumindest abschnittsweise ein Innengewinde (10) ausgestaltet ist, welches mit einem zumindest abschnittsweise am Einstellelement (9) ausgestalteten Gewinde (11) formschlüssig in Eingriff bringbar ist.Door operating device (1) according to claim 1, characterized in that in the cylinder (8) at least partially an internal thread (10) is configured, which is positively engageable with a at least partially on the adjusting element (9) configured thread (11). Türbetätigungsvorrichtung (1) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Verstellmutter (7) eine Federauflage (12) umfasst, die zumindest abschnittsweise an der Feder (4) anliegt.Door operating device (1) according to claim 1 or 2, characterized in that the adjusting nut (7) comprises a spring support (12) which abuts at least in sections on the spring (4). Türbetätigungsvorrichtung (1) nach Anspruch 3, dadurch gekennzeichnet, dass die Verstellmutter (7) unterhalb der Federauflage (12) als Zapfen (13) ausgebildet ist, welcher den Zylinder (8) der Verschlussschraube (6) und das durch die Verschlussschraube (6) geführte Einstellelement (9) zumindest teilweise umschließt.Door operating device (1) according to claim 3, characterized in that the adjusting nut (7) below the spring support (12) as a pin (13) is formed which the cylinder (8) of the locking screw (6) and by the locking screw (6) Guided adjustment (9) at least partially encloses. Türbetätigungsvorrichtung (1) nach Anspruch 4, dadurch gekennzeichnet, dass der Zapfen (13) der Verstellmutter (7) einen Boden umfasst, an dem das Einstellelement (9) mit einem seiner Enden zur Anlage kommt.Door operating device (1) according to claim 4, characterized in that the pin (13) of the adjusting nut (7) comprises a bottom on which the adjusting element (9) comes to rest with one of its ends. Türbetätigungsvorrichtung (1) nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass sich der Zapfen (13) zumindest abschnittsweise in die Feder (4) hinein erstreckt.Door operating device (1) according to claim 4 or 5, characterized in that the pin (13) extends at least partially into the spring (4). Türbetätigungsvorrichtung (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Verschlussschraube (6) als Gehäusedeckel (14) für das Gehäuse (2) ausgestaltet ist.Door operating device (1) according to one of the preceding claims, characterized in that the closure screw (6) is designed as a housing cover (14) for the housing (2). Türbetätigungsvorrichtung (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass eine Messung der Einschubtiefe, insbesondere der Einschraubtiefe des Einstellelements (9) in die Verschlussschraube (6), insbesondere in den Gehäusedeckel (14), zur Prüfung des Verstellweges der Verstellmutter (7) dient.Door operating device (1) according to one of the preceding claims, characterized in that a measurement of the insertion depth, in particular the depth of engagement of the adjusting element (9) in the closure screw (6), in particular in the housing cover (14), for checking the adjustment of the adjusting nut (7 ) serves. Türbetätigungsvorrichtung (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Einstellelement (9) eine Schraube ist.Door operating device (1) according to one of the preceding claims, characterized in that the adjusting element (9) is a screw. Türbetätigungsvorrichtung (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Feder (4) eine Druckfeder ist.Door operating device (1) according to one of the preceding claims, characterized in that the spring (4) is a compression spring.
EP14192394.6A 2013-11-11 2014-11-07 Spring adjustment for a door actuating device Active EP2871319B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201310112381 DE102013112381A1 (en) 2013-11-11 2013-11-11 Spring adjustment for a door operating device

Publications (2)

Publication Number Publication Date
EP2871319A1 true EP2871319A1 (en) 2015-05-13
EP2871319B1 EP2871319B1 (en) 2018-02-28

Family

ID=51866084

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14192394.6A Active EP2871319B1 (en) 2013-11-11 2014-11-07 Spring adjustment for a door actuating device

Country Status (4)

Country Link
US (1) US9447622B2 (en)
EP (1) EP2871319B1 (en)
CN (1) CN104631990B (en)
DE (1) DE102013112381A1 (en)

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AT514585B1 (en) * 2013-08-30 2015-02-15 Blum Gmbh Julius Actuator for movable furniture parts
US11680434B1 (en) 2020-07-21 2023-06-20 Andersen Corporation Damped door closer system and method

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DE9209276U1 (en) 1992-07-10 1992-08-27 Dorma GmbH + Co. KG, 5828 Ennepetal Overhead door closer with slide rail linkage for concealed installation in door leaves or door frames

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US3911527A (en) * 1971-10-14 1975-10-14 Lcn Closers Spring adjustment mechanism
DE3224300C2 (en) 1982-06-29 1984-11-29 Geze Gmbh, 7250 Leonberg Door closer with adjustable closing force
DE9209276U1 (en) 1992-07-10 1992-08-27 Dorma GmbH + Co. KG, 5828 Ennepetal Overhead door closer with slide rail linkage for concealed installation in door leaves or door frames

Also Published As

Publication number Publication date
EP2871319B1 (en) 2018-02-28
US9447622B2 (en) 2016-09-20
US20150128378A1 (en) 2015-05-14
DE102013112381A1 (en) 2015-05-13
CN104631990A (en) 2015-05-20
CN104631990B (en) 2017-12-22

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