EP2585663B1 - Door actuator and method for producing - Google Patents

Door actuator and method for producing Download PDF

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Publication number
EP2585663B1
EP2585663B1 EP11725641.2A EP11725641A EP2585663B1 EP 2585663 B1 EP2585663 B1 EP 2585663B1 EP 11725641 A EP11725641 A EP 11725641A EP 2585663 B1 EP2585663 B1 EP 2585663B1
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EP
European Patent Office
Prior art keywords
housing
door operator
seal
lid
piston
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.)
Active
Application number
EP11725641.2A
Other languages
German (de)
French (fr)
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EP2585663A1 (en
Inventor
Jan Meulenbeld
Franz-Josef Hövener
Thomas Salutzki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dormakaba Deutschland GmbH
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Dorma Deutschland GmbH
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Publication date
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Publication of EP2585663A1 publication Critical patent/EP2585663A1/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
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/22—Additional arrangements for closers, e.g. for holding the wing in opened or other position
    • 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
    • E05F3/22—Additional arrangements for closers, e.g. for holding the wing in opened or other position
    • E05F3/227—Additional arrangements for closers, e.g. for holding the wing in opened or other position mounted at the top of wings, e.g. details related to closer housings, covers, end caps or rails therefor
    • 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
    • E05Y2201/10—Covers; Housings
    • E05Y2201/11—Covers
    • 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
    • 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—Type of wing
    • E05Y2900/132—Doors

Definitions

  • the present invention relates to a door operator with a housing in which a fluidly and / or spring-loaded piston is slidably disposed and guided in a piston chamber, wherein the housing is sealed and closed at the end by a closure element.
  • the prior art discloses, for example in the DE 93085680 and the US 2588010 , Door operator, in which a screw plug is used, which closes the door operator on the front side.
  • This screw plug has a groove in which a seal for sealing the piston chamber is inserted, wherein the screw plug is screwed due to an arranged thread in the housing of the door operator.
  • the prior art has the disadvantage that on the screw plug a groove for the required seal and a thread for screwing the screw plug must be mounted in the housing of the door operator, with a corresponding mating thread is to be attached to the housing of the door operator, which is expensive to manufacture is.
  • the invention is based on the idea that the closure of a door operator after the assembly of the required components by a lid which is mounted by means of a tool and a seal in a leak-free position in which the door operator remains unaffected in its function.
  • the invention includes the technical teaching that a closure element is designed as a domed lid, which sealingly seals the housing of the door operator due to plastic deformation.
  • the inventive embodiment has the advantage that the closure of the housing of the door operator a geometrically simple and thus inexpensive component can be used.
  • the housing has an opening with a diameter which forms a cylindrical surface within the housing.
  • the lid is recessed on the housing and thus the closure of the door operator has no protruding portions on the door operator.
  • the piston chamber in which the piston is arranged, has a diameter which forms a cylindrical surface within the housing.
  • a circumferential groove for a seal is arranged. Through the groove arranged a required seal is easy to install.
  • the diameter of the opening is larger than the diameter of the piston chamber. The lid is held in this way to the closure in position.
  • a circumferential surface is arranged, which serves to support the lid, thereby the lid can be easily inserted into the opening and is located on the rotating surface.
  • the lid rests on the surface and at least partially protrudes with its edge after the plastic deformation in the groove and thereby deforms the seal. Due to the plastic deformation of the lid, the larger outer diameter of the lid extends into the groove, wherein the seal is sealingly deformed by the lid.
  • the lid consists of a metallic material.
  • the seal has different shapes, preferably an O-ring or a 4-edge seal. Thus, a low-cost seal can be used.
  • the tool is at least partially insertable into the opening.
  • the closure is sunk arranged on the housing of the door operator, which prevents protruding components on the housing of the door operator and is preferable for optical reasons.
  • FIGS. 1 and 2 is the end portion of the housing 40 of the door operator shown.
  • the housing 40 may be designed as a round, oval or rectangular hollow cylinder, in which a piston 20 is arranged and guided fluidly and / or spring-loaded.
  • the piston chamber, in which the piston 20 is arranged, in this case has a diameter B.
  • the housing 40 has an opening 50 with a diameter A at one end.
  • a circumferential groove 35 is incorporated in the wall of the housing 40 in the region of the opening 50.
  • a seal 30 is inserted in this groove 35.
  • the diameter A of the opening 50 is greater than the diameter B of the piston chamber.
  • an annular surface 45 which serves as a stop for a cover 10, is produced on the groove at the end face toward the opening 50.
  • the cover 10 is placed in the opening 50 on the surface 45.
  • the cover 10 is outwardly convex - ie toward the opening 50 - convex.
  • the lid 10 is plastically deformed by a tool 25 such that the diameter of the lid 10 is increased and this with its edge at least partially immersed in the groove 35.
  • the tool 25 is guided to the curved surface 15 of the lid 10 until it touches the lid 10.
  • the piston 20 is positioned such that its end face is arranged in the region of the annular surface 45.
  • FIGS. 3 and 4 has begun the tool 25 with its force F on the curved surface 15 of the lid 10, wherein the edge of the lid 10 already partially extends into the groove 35 and thereby deforms the seal 30.
  • the tool 25 has reached its end position and the lid 10 plastically deformed.
  • the lid 10 may abut the piston 20, the lid 10 deforming the seal 30 such that the seal 30 in conjunction with the lid 10 has achieved a leak-free seal from the piston chamber, the housing 40 and the opening 50.
  • the tool 25 is led out of the opening 50 and removed from the door closer.
  • the required components of the door operator are first mounted in the existing housing 40 of the door operator, which are necessary for the function of the door operator.
  • the housing 40 has in the section of the piston chamber a surface 45, which is arranged translationally movable through the groove 35 and the piston chamber, in which the piston 20 and the opening 50, in which the cover 10 is used, is formed.
  • the piston 20 is positioned with one of its end faces on the plane of the surface 45 and is held in this position.
  • the seal 30, preferably an O-ring is inserted into the groove 35, the curved and thus preformed cover 10 is inserted through the opening 50 of the housing 40 up to the plane of the surface 45.
  • the preformed lid 10 has a curved surface 15, wherein the lid 10 is placed on the surface 45 of the housing 40 such that the curved surface 15 protrudes at least partially in the direction of the housing 40.
  • the preformed contour of the lid 10 is required to place the lid 10 through the opening 50 of the housing 40 on the surface 45 can, since the outer diameter of the domed lid 10 is smaller than the opening 50 of the housing 40.
  • the curved surface 15 a tool 25 is supplied, wherein the tool 25 exerts a force F on the curved surface 15, which ensures that the cover 10 is plastically deformed.
  • the tool 25 exerts up to an end position a force F on the cover 10, wherein the end position of the tool 25 is reached when the lid 10 is plastically deformed and the seal 30 has sealingly deformed in the groove 35, wherein the lid 10 can be supported on the piston 20.
  • the tool 25 has an outer diameter which is designed such that the outer diameter can be passed through the opening 50 of the housing 40.
  • the cover 10 extends at least partially into the groove 35, as due to the force of the tool 25, the outer diameter of the lid 10 is increased, said outer diameter is greater than the opening 50 of the housing 40.
  • the lid 10 has plastically deformed wherein the tendency to return to the preformed contour is prevented.
  • the enlargement of the outer diameter of the lid 10 in conjunction with the depth of the groove 35 has the consequence that the cover 10 deforms the seal 30 located in the groove 35, wherein the seal 30 and the lid 10 seal the piston chamber leak-free.
  • the lid 10 is permanently arranged as a closure of the door operator, wherein a cost-effective cover 10 is used and the assembly takes little time.

Landscapes

  • Pressure Vessels And Lids Thereof (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)

Description

Die vorliegende Erfindung betrifft einen Türbetätiger mit einem Gehäuse, in dem ein fluidisch und/oder federbelasteter Kolben in einem Kolbenraum verschiebbar angeordnet und geführt ist, wobei das Gehäuse stirnseitig durch ein Verschlusselement abgedichtet und verschlossen wird.The present invention relates to a door operator with a housing in which a fluidly and / or spring-loaded piston is slidably disposed and guided in a piston chamber, wherein the housing is sealed and closed at the end by a closure element.

Der Stand der Technik offenbart, beispielsweise in der DE 93085680 und der US 2588010 , Türbetätiger, bei denen eine Verschlussschraube zum Einsatz kommt, die stirnseitig den Türbetätiger verschließt. Diese Verschlussschraube weist eine Nut auf, in der eine Dichtung zur Abdichtung des Kolbenraumes eingelegt wird, wobei die Verschlussschraube aufgrund eines angeordneten Gewindes in das Gehäuse des Türbetätigers eingeschraubt wird.The prior art discloses, for example in the DE 93085680 and the US 2588010 , Door operator, in which a screw plug is used, which closes the door operator on the front side. This screw plug has a groove in which a seal for sealing the piston chamber is inserted, wherein the screw plug is screwed due to an arranged thread in the housing of the door operator.

Der Stand der Technik beinhaltet den Nachteil, dass an der Verschlussschraube eine Nut für die erforderliche Dichtung sowie ein Gewinde zum Einschrauben der Verschlussschraube in das Gehäuse des Türbetätigers angebracht werden müssen, wobei ein entsprechendes Gegengewinde am Gehäuse des Türbetätigers anzubringen ist, welches in der Herstellung teuer ist.The prior art has the disadvantage that on the screw plug a groove for the required seal and a thread for screwing the screw plug must be mounted in the housing of the door operator, with a corresponding mating thread is to be attached to the housing of the door operator, which is expensive to manufacture is.

Ein weiterer Nachteil der bekannten Türbetätiger besteht darin, dass bei der Montage des Türbetätigers der Arbeitsgang des Einschraubens der Verschlussschraube in das Gehäuse des Türbetätigers eine gewisse Zeit in Anspruch genommen werden muss, die in Bezug auf eine Jahresmenge von Türbetätigem erhebliche Montagekosten aufkommen lässt.Another disadvantage of the known door operator is that during the installation of the door operator of the operation of screwing the screw plug into the housing of the door operator must be taken a certain amount of time, which can raise significant assembly costs in terms of an annual amount of Türbetätigem.

Es ist daher die Aufgabe der vorliegenden Erfindung, ein Verschlusselement für ein Gehäuse eines Türbetätigers bereit zu stellen, welches einen einfachen Aufbau aufweist, kostengünstig herzustellen ist und auf einfache Weise dichtend zu montieren ist.It is therefore an object of the present invention to provide a closure element for a housing of a door operator, which a has simple structure, is inexpensive to manufacture and is easy to mount sealing.

Diese Aufgabe wird ausgehend von einem Türbetätiger gemäß dem Oberbegriff des Anspruches 1 in Verbindung mit den kennzeichnenden Merkmalen gelöst. Vorteilhafte Weiterbildungen der Erfindung sind in den abhängigen Ansprüchen angegeben.This object is achieved on the basis of a door operator according to the preamble of claim 1 in conjunction with the characterizing features. Advantageous developments of the invention are specified in the dependent claims.

Die Erfindung geht dabei von dem Gedanken aus, dass der Verschluss eines Türbetätiger nach der Montage der erforderlichen Bauteile durch einen Deckel erfolgt, der mit Hilfe eines Werkzeuges und einer Dichtung in eine leckagefreie Position montiert wird, bei der der Türbetätiger in seiner Funktion unbeeinträchtigt bleibt.The invention is based on the idea that the closure of a door operator after the assembly of the required components by a lid which is mounted by means of a tool and a seal in a leak-free position in which the door operator remains unaffected in its function.

Die Erfindung schließt die technische Lehre ein, dass ein Verschlusselement als gewölbter Deckel ausgebildet ist, der auf Grund plastischer Verformung das Gehäuse des Türbetätigers dichtend verschließt.The invention includes the technical teaching that a closure element is designed as a domed lid, which sealingly seals the housing of the door operator due to plastic deformation.

Die erfinderische Ausführungsform besitzt den Vorteil, dass zum Verschluss des Gehäuses des Türbetätigers ein geometrisch einfach aufgebautes und somit kostengünstiges Bauteil verwendet werden kann.The inventive embodiment has the advantage that the closure of the housing of the door operator a geometrically simple and thus inexpensive component can be used.

Ebenso von Vorteil ist, dass das Gehäuse eine Öffnung mit einem Durchmesser aufweist, der eine zylinderförmige Fläche innerhalb des Gehäuses bildet. Zum Verschluss des Deckels sind einfach aufgebaute Werkzeuge benutzbar, wobei der Deckel am Gehäuse vertieft angeordnet ist und somit der Verschluss des Türbetätigers keine hervorstehende Abschnitte am Türbetätiger aufweist.It is also advantageous that the housing has an opening with a diameter which forms a cylindrical surface within the housing. For the closure of the lid are simple tools used, the lid is recessed on the housing and thus the closure of the door operator has no protruding portions on the door operator.

Ebenfalls von Vorteil ist, dass der Kolbenraum, in dem der Kolben angeordnet ist, einen Durchmesser aufweist, der eine zylinderförmige Fläche innerhalb des Gehäuses bildet. Somit wird eine für den Türbetätiger erforderliche Geometrie zur Montage des Deckels verwendet, wobei die Funktion des Türbetätigers gewährleistet ist.It is also advantageous that the piston chamber, in which the piston is arranged, has a diameter which forms a cylindrical surface within the housing. Thus, a required for the door operator Geometry used for mounting the lid, the function of the door operator is guaranteed.

Am Übergang der Öffnung zum Kolbenraum ist eine umlaufende Nut für eine Dichtung angeordnet. Durch die angeordnete Nut ist eine erforderliche Dichtung auf einfache Weise zu montieren.At the transition of the opening to the piston chamber a circumferential groove for a seal is arranged. Through the groove arranged a required seal is easy to install.

Auch von Vorteil ist, dass der Durchmesser der Öffnung größer ist als der Durchmesser des Kolbenraumes. Der Deckel wird auf diese Weise zum Verschluss auf Position gehalten.It is also advantageous that the diameter of the opening is larger than the diameter of the piston chamber. The lid is held in this way to the closure in position.

Ebenso von Vorteil ist, dass am Übergang der Nut zum Kolbenraum eine umlaufende Fläche angeordnet ist, die zur Auflage des Deckels dient, Hierdurch kann der Deckel auf einfache Weise in die Öffnung eingelegt werden und liegt auf der umlaufenden Fläche an.It is also advantageous that at the transition of the groove to the piston chamber, a circumferential surface is arranged, which serves to support the lid, thereby the lid can be easily inserted into the opening and is located on the rotating surface.

Vorteilhaft ist, dass der Deckel auf der Fläche aufliegt und mit seinem Rand nach der plastischen Verformung zumindest teilweise in die Nut hineinragt und dabei die Dichtung verformt. Durch die plastische Verformung des Deckels erstreckt sich der größer werdende Außendurchmesser des Deckels in die Nut, wobei die Dichtung von dem Deckel dichtend verformt wird.It is advantageous that the lid rests on the surface and at least partially protrudes with its edge after the plastic deformation in the groove and thereby deforms the seal. Due to the plastic deformation of the lid, the larger outer diameter of the lid extends into the groove, wherein the seal is sealingly deformed by the lid.

Vorgesehen ist, dass der Deckel aus einem metallischen Werkstoff besteht. Bei einem im Betrieb befindlichen Türbetätiger herrschen Innendrücke, die von dem Deckel dauerhaft aufzufangen sind, um die leckagefreie Funktion des Türbetätigers sicher zu stellen, welches durch einen metallischen Werkstoff in Verbindung mit entsprechenden Eigenschaften und Abmaßen des Deckels gewährleistet ist. Weiterhin von Vorteil ist, dass die Dichtung unterschiedliche Formen, vorzugsweise ein O-Ring oder eine 4-Kanten Dichtung, aufweist. Somit kann eine kostengünstige Dichtung verwendet werden.It is envisaged that the lid consists of a metallic material. In a door operator in operation, there are internal pressures which are to be permanently absorbed by the cover, to ensure the leak-free operation of the door operator, which is ensured by a metallic material in conjunction with corresponding properties and dimensions of the lid. Another advantage is that the seal has different shapes, preferably an O-ring or a 4-edge seal. Thus, a low-cost seal can be used.

Ebenso vorteilhaft ist, dass das Werkzeug zumindest teilweise in die Öffnung einführbar ist. Hierdurch wird der Verschluss versenkt am Gehäuse des Türbetätigers angeordnet, welches vorstehende Bauteile am Gehäuse des Türbetätigers verhindert und aus optischen Gründen zu bevorzugen ist.It is also advantageous that the tool is at least partially insertable into the opening. As a result, the closure is sunk arranged on the housing of the door operator, which prevents protruding components on the housing of the door operator and is preferable for optical reasons.

Die Erfindung wird anhand eines bevorzugten Ausführungsbeispiels in den nachstehenden Figuren und deren Beschreibungen näher dargestellt.The invention will be further illustrated by a preferred embodiment in the following figures and their descriptions.

Es zeigen:

Figur 1:
eine schematische Darstellung des Gehäuses eines Türbetätigers mit einem Werkzeug zur Verformung des Deckels,
Figur 2:
eine Detail-Ansicht X aus der Figur 1,
Figur 3:
eine schematische Darstellung des Gehäuses eines Türbetätigers, bei der das Werkzeug mit der Verformung des Deckels begonnen hat,
Figur 4:
eine Detail-Ansicht Y aus der Figur 3,
Figur 5:
eine schematische Darstellung des Gehäuses eines Türbetätigers, bei der das Werkzeug seine Endposition erreicht hat und dabei den Deckel plastisch verformt hat,
Figur 6:
eine Detail-Ansicht Z aus der Figur 5.
Show it:
FIG. 1:
a schematic representation of the housing of a door operator with a tool for deformation of the lid,
FIG. 2:
a detail view X from the FIG. 1 .
FIG. 3:
a schematic representation of the housing of a door operator, in which the tool has begun with the deformation of the lid,
FIG. 4:
a detail view Y from the FIG. 3 .
FIG. 5:
a schematic representation of the housing of a door operator, in which the tool has reached its end position and thereby plastically deformed the lid,
FIG. 6:
a detail view Z from the FIG. 5 ,

In Figur 1 und 2 ist der Endbereich des Gehäuses 40 des Türbetätigers dargestellt. Das Gehäuse 40 kann als runder, ovaler oder rechteckiger Hohlzylinder ausgestaltet sein, in dem ein Kolben 20 fluidisch und/oder federbelastet verschiebbar angeordnet und geführt wird. Der Kolbenraum, in dem der Kolben 20 angeordnet ist, weist dabei einen Durchmesser B auf. Das Gehäuse 40 weist an einem Ende eine Öffnung 50 mit einem Durchmesser A auf.In FIGS. 1 and 2 is the end portion of the housing 40 of the door operator shown. The housing 40 may be designed as a round, oval or rectangular hollow cylinder, in which a piston 20 is arranged and guided fluidly and / or spring-loaded. The piston chamber, in which the piston 20 is arranged, in this case has a diameter B. The housing 40 has an opening 50 with a diameter A at one end.

Am Ende des Gehäuses 40 ist im Bereich der Öffnung 50 eine umlaufende Nut 35 in die Wand des Gehäuses 40 eingearbeitet. In diese Nut 35 wird eine Dichtung 30 eingelegt. Der Durchmesser A der Öffnung 50 ist größer als der Durchmesser B des Kolbenraumes. Dadurch entsteht an der Nut stirnseitig zur Öffnung 50 hin eine ringförmige Fläche 45, die als Anschlag für einen Deckel 10 dient.At the end of the housing 40, a circumferential groove 35 is incorporated in the wall of the housing 40 in the region of the opening 50. In this groove 35, a seal 30 is inserted. The diameter A of the opening 50 is greater than the diameter B of the piston chamber. As a result, an annular surface 45, which serves as a stop for a cover 10, is produced on the groove at the end face toward the opening 50.

Zum Verschließen des Türschließergehäuses wird der Deckel 10 in die Öffnung 50 auf die Fläche 45 gelegt. Der Deckel 10 ist nach außen - also zur Öffnung 50 hin - konvex gewölbt.To close the door closer housing, the cover 10 is placed in the opening 50 on the surface 45. The cover 10 is outwardly convex - ie toward the opening 50 - convex.

Der Deckel 10 wird durch ein Werkzeug 25 derart plastisch verformt, dass der Durchmesser des Deckels 10 sich vergrößert und dieser mit seinem Rand zumindest teilweise in die Nut 35 eintaucht. Dabei wird das Werkzeug 25 zu der gewölbten Fläche 15 des Deckels 10 geführt, bis er den Deckel 10 berührt. Als zusätzliche Abstützung des Deckels 10 wird der Kolben 20 derart positioniert, dass seine Stirnfläche im Bereich der ringförmigen Fläche 45 angeordnet ist. Dadurch wird der Verformungsvorgang unterstützt, in dem ein Durchrutschen des Deckels 10 - durch ein schnelles Umschlagen der Deckelwölbung - verhindert wird, wobei sich der Deckel 10 an den Kolben 20 anlegen kann.The lid 10 is plastically deformed by a tool 25 such that the diameter of the lid 10 is increased and this with its edge at least partially immersed in the groove 35. In this case, the tool 25 is guided to the curved surface 15 of the lid 10 until it touches the lid 10. As an additional support of the lid 10, the piston 20 is positioned such that its end face is arranged in the region of the annular surface 45. As a result, the deformation process is supported, in which slipping of the cover 10 - by a quick turning over the lid curvature - is prevented, with the lid 10 can invest in the piston 20.

In Figur 3 und 4 hat das Werkzeug 25 mit seiner Krafteinwirkung F auf die gewölbte Fläche 15 des Deckels 10 begonnen, wobei der Rand des Deckels 10 sich schon teilweise in die Nut 35 erstreckt und dabei die Dichtung 30 verformt.In FIGS. 3 and 4 has begun the tool 25 with its force F on the curved surface 15 of the lid 10, wherein the edge of the lid 10 already partially extends into the groove 35 and thereby deforms the seal 30.

In Figur 5 und 6 hat das Werkzeug 25 seine Endposition erreicht und den Deckel 10 plastisch verformt. Der Deckel 10 kann an dem Kolben 20 anliegen, wobei der Deckel 10 die Dichtung 30 derart verformt, dass die Dichtung 30 in Verbindung mit dem Deckel 10 eine leckagefreie Abdichtung vom Kolbenraum, dem Gehäuse 40 und der Öffnung 50 erzielt hat.In FIGS. 5 and 6 the tool 25 has reached its end position and the lid 10 plastically deformed. The lid 10 may abut the piston 20, the lid 10 deforming the seal 30 such that the seal 30 in conjunction with the lid 10 has achieved a leak-free seal from the piston chamber, the housing 40 and the opening 50.

Anschließend wird das Werkzeug 25 aus der Öffnung 50 herausgeführt und von dem Türschließer entfernt.Subsequently, the tool 25 is led out of the opening 50 and removed from the door closer.

Bei dem Verschluss des Gehäuses 40 werden zunächst die erforderlichen Bauteile des Türbetätigers in das vorhandene Gehäuse 40 des Türbetätigers montiert, die für die Funktion des Türbetätigers notwendig sind. Schließlich erfolgt ein stirnseitiger Verschluss des Gehäuses 40. Das Gehäuse 40 besitzt im Abschnitt des Kolbenraumes eine Fläche 45, die durch die Nut 35 und dem Kolbenraum, in dem der Kolben 20 translatörisch bewegbar angeordnet ist, sowie der Öffnung 50, in die der Deckel 10 eingesetzt wird, gebildet wird. Dabei ist der Kolben 20 mit einem seiner Stirnseiten auf die Ebene der Fläche 45 positioniert und wird in dieser Position gehalten. Nachdem die Dichtung 30, vorzugsweise ein O-Ring, in die Nut 35 eingelegt ist, wird der gewölbte und somit vorgeformte Deckel 10 durch die Öffnung 50 des Gehäuses 40 bis zu der Ebene der Fläche 45 eingelegt. Der vorgeformte Deckel 10 besitzt eine gewölbte Fläche 15, wobei der Deckel 10 derart auf die Fläche 45 des Gehäuses 40 eingelegt wird, dass die gewölbte Fläche 15 in Richtung aus dem Gehäuse 40 zumindest teilweise herausragt. Die vorgeformte Kontur des Deckels 10 ist erforderlich, um den Deckel 10 durch die Öffnung 50 des Gehäuses 40 auf die Fläche 45 auflegen zu können, da der Außendurchmesser des gewölbten Deckels 10 kleiner ist als die Öffnung 50 des Gehäuses 40. Anschließend wird der gewölbten Fläche 15 ein Werkzeug 25 zugeführt, wobei das Werkzeug 25 eine Kraft F auf die gewölbte Fläche 15 ausübt, die dafür sorgt, dass der Deckel 10 plastisch verformt wird. Hierbei übt das Werkzeug 25 bis zu einer Endstellung eine Kraft F auf den Deckel 10 aus, wobei die Endstellung des Werkzeuges 25 erreicht ist, sobald der Deckel 10 sich plastisch verformt und die Dichtung 30 dichtend in der Nut 35 verformt hat, wobei sich der Deckel 10 an dem Kolben 20 abstützen kann. Das Werkzeug 25 besitzt einen Außendurchmesser, der derart ausgelegt ist, dass der Außendurchmesser durch die Öffnung 50 des Gehäuses 40 hindurchführbar ist. Dabei erstreckt sich der Deckel 10 zumindest teilweise in die Nut 35, da sich aufgrund der Krafteinwirkung des Werkzeuges 25 der Außendurchmesser des Deckels 10 vergrößert, wobei dieser Außendurchmesser größer ist als die Öffnung 50 des Gehäuses 40. Hierdurch hat sich der Deckel 10 derart plastisch verformt, wobei das Bestreben, in die vorgeformte Kontur zurück zu gelangen, verhindert wird. Die Vergrößerung des Außendurchmessers des Deckels 10 in Verbindung mit der Tiefe der Nut 35 hat zur Folge, dass der Deckel 10 die in der Nut 35 befindliche Dichtung 30 verformt, wobei die Dichtung 30 und der Deckel 10 den Kolbenraum leckagefrei abdichten.In the closure of the housing 40, the required components of the door operator are first mounted in the existing housing 40 of the door operator, which are necessary for the function of the door operator. Finally, there is a front-side closure of the housing 40. The housing 40 has in the section of the piston chamber a surface 45, which is arranged translationally movable through the groove 35 and the piston chamber, in which the piston 20 and the opening 50, in which the cover 10 is used, is formed. In this case, the piston 20 is positioned with one of its end faces on the plane of the surface 45 and is held in this position. After the seal 30, preferably an O-ring, is inserted into the groove 35, the curved and thus preformed cover 10 is inserted through the opening 50 of the housing 40 up to the plane of the surface 45. The preformed lid 10 has a curved surface 15, wherein the lid 10 is placed on the surface 45 of the housing 40 such that the curved surface 15 protrudes at least partially in the direction of the housing 40. The preformed contour of the lid 10 is required to place the lid 10 through the opening 50 of the housing 40 on the surface 45 can, since the outer diameter of the domed lid 10 is smaller than the opening 50 of the housing 40. Subsequently, the curved surface 15 a tool 25 is supplied, wherein the tool 25 exerts a force F on the curved surface 15, which ensures that the cover 10 is plastically deformed. In this case, the tool 25 exerts up to an end position a force F on the cover 10, wherein the end position of the tool 25 is reached when the lid 10 is plastically deformed and the seal 30 has sealingly deformed in the groove 35, wherein the lid 10 can be supported on the piston 20. The tool 25 has an outer diameter which is designed such that the outer diameter can be passed through the opening 50 of the housing 40. In this case, the cover 10 extends at least partially into the groove 35, as due to the force of the tool 25, the outer diameter of the lid 10 is increased, said outer diameter is greater than the opening 50 of the housing 40. As a result, the lid 10 has plastically deformed wherein the tendency to return to the preformed contour is prevented. The enlargement of the outer diameter of the lid 10 in conjunction with the depth of the groove 35 has the consequence that the cover 10 deforms the seal 30 located in the groove 35, wherein the seal 30 and the lid 10 seal the piston chamber leak-free.

In dieser Position ist der Deckel 10 unlösbar als Verschluss des Türbetätigers angeordnet, wobei ein kostengünstiger Deckel 10 verwendet wird und die Montage wenig Zeit in Anspruch nimmt.In this position, the lid 10 is permanently arranged as a closure of the door operator, wherein a cost-effective cover 10 is used and the assembly takes little time.

Diese Art des Verschlusses ist selbstverständlich auch anwendbar auf der Seite des Türbetätigers, an dem der Federraum des Türbetätigers angeordnet ist. Somit ist der Federraum eines Türbetätigers mit einem Deckel 10 in Verbindung mit einer innerhalb einer entsprechenden Nut 35 angeordneten Dichtung 30 leckagefrei abzudichten und zu verschließen.This type of closure is of course also applicable to the side of the door operator on which the spring chamber of the door operator is arranged. Thus, the spring chamber of a door operator with a lid 10 in conjunction with a disposed within a corresponding groove 35 seal 30 is leak-proof seal and close.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

1010
Deckelcover
1515
gewölbte Flächearched area
2020
Kolbenpiston
2525
WerkzeugTool
3030
Dichtungpoetry
3535
Nutgroove
4040
Gehäusecasing
4545
Flächearea
5050
Öffnungopening
AA
Durchmesserdiameter
BB
Durchmesserdiameter

Claims (12)

  1. A door operator including a housing (40), in which a piston (20), loaded by fluid and/or by spring, is disposed and guided to be displaceable in a piston compartment, wherein the housing (40), at the front side is closed off and sealed by means of a metallic closure element, characterized in that the closure element is configured as a dome-shaped cover (10), which, on account of plastic deformation, closes the housing (40) in a sealing manner, wherein the cover (10) rests on a surrounding surface (45) and, after the plastic deformation, with its border protrudes at least partially into a surrounding groove (35) of the housing (40) and thereby deforms a seal (30), which is inserted into the groove (35).
  2. The door operator including a housing (40) according to claim 1, characterized in that the housing (40) includes an opening (50) with a diameter (A).
  3. The door operator including a housing (40) according to claim 2, characterized in that the diameter (A) forms a cylindrically shaped surface within the housing (40).
  4. The door operator including a housing (40) according to claim 1, characterized in that the piston compartment, in which the piston (20) is disposed, has a diameter (B).
  5. The door operator including a housing (40) according to claim 4, characterized in that the diameter (B) forms a cylindrically shaped surface within the housing (40).
  6. The door operator including a housing (40) according to claim 2, characterized in that a surrounding groove (35) for a seal (30) is disposed at the transition of the opening (50) towards the piston compartment.
  7. The door operator including a housing (40) according to claim 2 and 4, characterized in that the diameter (A) is larger than the diameter (B).
  8. The door operator including a housing (40) according to claim 6, characterized in that a surrounding surface (45), which serves as a support for the cover (10), is disposed at the transition of the groove (35) to the piston compartment.
  9. A method for closing the front side of a housing of a door operator according to the claims 1 to 8, characterized in that
    - the dome-shaped cover (10) is placed onto the surface (45),
    - the piston (20) is positioned such that the front surface thereof is located in the area of the surface (45),
    - a tool (25) plastically deforms the cover (10),
    - such that the border thereof, at least partially, penetrates into the groove (35) and deforms a seal (30) disposed therein.
  10. The method according to claim 9, characterized in that the cover (10) consists of a metallic material.
  11. The method according to claim 9, characterized in that the seal (30) includes different shapes, preferably an O-ring or a seal with four edges.
  12. The method according to claim 9, characterized in that the tool (35) may be introduced into the opening (50).
EP11725641.2A 2010-06-24 2011-06-14 Door actuator and method for producing Active EP2585663B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010017570 DE102010017570A1 (en) 2010-06-24 2010-06-24 Door operator and method of manufacture
PCT/EP2011/002906 WO2011160784A1 (en) 2010-06-24 2011-06-14 Door operator and method for producing same

Publications (2)

Publication Number Publication Date
EP2585663A1 EP2585663A1 (en) 2013-05-01
EP2585663B1 true EP2585663B1 (en) 2016-09-28

Family

ID=44541469

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11725641.2A Active EP2585663B1 (en) 2010-06-24 2011-06-14 Door actuator and method for producing

Country Status (7)

Country Link
EP (1) EP2585663B1 (en)
CN (1) CN102947528A (en)
DE (1) DE102010017570A1 (en)
ES (1) ES2600889T3 (en)
SG (1) SG185787A1 (en)
TW (1) TW201202537A (en)
WO (1) WO2011160784A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012109623A1 (en) * 2012-10-10 2014-04-10 Dorma Gmbh + Co. Kg Method for closing an opening in a body, in particular in a door operator
DE102012111923A1 (en) 2012-12-07 2014-06-12 Dorma Gmbh + Co. Kg Method for closing an opening in a body, in particular in a door operator
DE102013113092A1 (en) * 2013-11-27 2015-05-28 Dorma Deutschland Gmbh Door locking device
DE102013022159B3 (en) * 2013-12-19 2014-12-04 Geze Gmbh door closers

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2588010A (en) * 1948-11-26 1952-03-04 Rice Engineering Corp Door hinge and check
DE1949240B2 (en) * 1969-09-30 1973-09-27 Doerken & Mankel Kg, 5828 Ennepetal-Voerde Automatic door closer
DE9308568U1 (en) * 1993-06-09 1994-01-13 Dorma Gmbh + Co. Kg, 58256 Ennepetal Built-in door closer with slide rail linkage for concealed installation in door leaves or door frames
DE19822498A1 (en) * 1997-08-01 1999-02-04 Geze Gmbh & Co Door operator
DE10228870A1 (en) * 2002-06-27 2004-01-15 Dorma Gmbh + Co. Kg Drive device for opening or closing a door or the like
DE102006038109B4 (en) * 2006-08-14 2020-08-06 Dormakaba Deutschland Gmbh Door closer
DE202008008921U1 (en) * 2008-07-03 2008-09-04 Dorma Gmbh + Co. Kg Plastic door closer with inserted metal parts

Also Published As

Publication number Publication date
TW201202537A (en) 2012-01-16
SG185787A1 (en) 2013-01-30
EP2585663A1 (en) 2013-05-01
DE102010017570A1 (en) 2011-12-29
CN102947528A (en) 2013-02-27
WO2011160784A1 (en) 2011-12-29
ES2600889T3 (en) 2017-02-13

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