EP3725986A1 - Ouvre-porte - Google Patents

Ouvre-porte Download PDF

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Publication number
EP3725986A1
EP3725986A1 EP20161612.5A EP20161612A EP3725986A1 EP 3725986 A1 EP3725986 A1 EP 3725986A1 EP 20161612 A EP20161612 A EP 20161612A EP 3725986 A1 EP3725986 A1 EP 3725986A1
Authority
EP
European Patent Office
Prior art keywords
anchor
operative connection
door opener
switching element
switching
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.)
Withdrawn
Application number
EP20161612.5A
Other languages
German (de)
English (en)
Inventor
Serhan Taspinar
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.)
Geze GmbH
Original Assignee
Geze GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Geze GmbH filed Critical Geze GmbH
Publication of EP3725986A1 publication Critical patent/EP3725986A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0046—Electric or magnetic means in the striker or on the frame; Operating or controlling the striker plate
    • E05B47/0047—Striker rotating about an axis parallel to the wing edge
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0002—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets

Definitions

  • the invention relates to a door opener with a housing and a latch element, the latch element being movably mounted in the housing between a closed position and an opening position, the door opener further comprising an anchor element and a switching element, the anchor element being movably mounted in the housing between a locking position and a release position and the switching element is movably mounted in the housing by a switching unit so that it can be switched between a locking position and an unlocking position, the anchor element also being connected to the latch element via a first mechanical operative connection such that the anchor element in its blocking position allows the latch element to move out of its closed position locks its opening position.
  • Door openers are used in modern technology to enable or prevent a door from opening.
  • known door openers have at least one latch element which is designed for mostly positive contact with a door latch of the door.
  • the latch element is also movably mounted in a housing of the door opener between a closed position and an open position, with the latch element preferably being lockable in its closed position in such a way that an opening movement of the door can thereby be prevented via the form fit with the door latch of the door.
  • An arrangement of the door opener in a frame of the door and an arrangement of the door latch on and / or in a door leaf of the door are described above. Of course, a reverse arrangement is also conceivable in known door openers.
  • known door openers mostly have anchor elements arranged in the housing of the door opener, which can be switched via further switching elements which can be switched by switching units are movable, can be switched between a blocking position for locking the door latch and a release position for releasing a movement of the door latch.
  • both the switching element and the blocking element as well as the anchor element and the latch element are each mechanically operatively connected to one another in pairs.
  • Door openers according to the prior art in particular door openers constructed according to the above operating principle, often have the disadvantage that when the door latch is locked, a force acting on the door, for example when a user tries to open it, directly via the operative connections from the door latch via the anchor element and the switching element is passed on to the switching unit.
  • the switching unit switching the switching element in known door openers must therefore be designed in such a way that it can withstand these often considerable forces.
  • Complex safety measures for providing this functionality of the switching unit accompanied, for example, with additional installation space requirements, can result.
  • the object is achieved by a door opener with a housing and a latch element, the latch element being movably mounted in the housing between a closed position and an open position, the door opener further comprising an anchor element and a switching element, the anchor element in the housing between a blocking position and a release position is movably mounted and the switching element is movably mounted in the housing by a switching unit switchable between a locking position and an unlocking position, furthermore the anchor element is connected to the latch element or the anchor element is connected to the latch element via a first mechanical operative connection via a further change that the anchor element in its blocking position prevents the latch element from moving from its closed position into its open position, and that the anchor element is operatively connected to the switching element via a third mechanical operative connection is, wherein the third mechanical operative connection is formed at least in the switching element in its locking position and the anchor element in its blocking position as a form fit between the switching element and the anchor element and prevents or at least prevents a movement of the anchor element into its release position triggered
  • a door opener according to the invention By means of a door opener according to the invention, an opening movement of a door leaf of a door that is equipped with a door opener according to the invention can be enabled or blocked.
  • a door opener according to the invention has, in particular, a latch element which is movably mounted in a housing of the door opener.
  • the latch element can preferably be designed as a rotary latch.
  • the latch element can in particular assume a closed position and an open position and be moved reversibly between these two positions. In the closed position, it can preferably be provided that the latch element contacts or can contact a door latch of the door in a form-fitting manner and a movement of the door leaf of the door is thereby prevented.
  • latch element of the door opener according to the invention can be locked in its closed position in a controllable and / or switchable manner.
  • This locking in its closed position can be provided for the latch element in a door opener according to the invention by the anchor element and the switching element and by the mechanical operative connections between these elements.
  • the latch element When the latch element is released, it can be provided, for example, that when the door leaf of the door moves, the door latch moves the latch element out of its closed position into its open position through positive contact.
  • this movement of the latch element from a closed position into an open position in a door opener according to the invention can be prevented by the interaction of the anchor element, the switching element and the switching unit.
  • the anchor element is connected to the latch element via a first mechanical operative connection.
  • This first mechanical operative connection can, for example, be a direct positive engagement of the latch element on the anchor element.
  • this first mechanical operative connection with the latch element is provided, as a result of which the latch element can be blocked by the anchor element in its closed position.
  • a door opener according to the invention has, in addition to the anchor element, a switching element which is mounted in the housing such that it can be shifted between a locking position and an unlocking position via a switching unit.
  • This switching element is operatively connected to the armature element via a second mechanical operative connection in such a way that a movement of the switching element triggered by the switching unit between its locking position and unlocking position is transmitted to the armature element in such a way that it can also be moved at least indirectly by the switching unit between its blocking position and its release position is trained.
  • the second mechanical operative connection is preferably designed in such a way that when a switching element is in its locking position, the anchor element is simultaneously in its blocking position and when a switching element is in its unlocking position, the anchor element is in its release position.
  • the second mechanical operative connection has the effect that, in the door opener according to the invention, the switching element and the anchor element move together or at least substantially together, switched by the switching unit.
  • the anchor element and the switching element are connected via a further third mechanical operative connection in addition to the second mechanical operative connection.
  • This third mechanical operative connection which is formed as a form fit between the two elements at least in the case of a switching element in its locking position and an anchor element in its blocking position, can prevent movement of the anchor element.
  • the form fit of the third mechanical operative connection is provided in such a way that a force exerted on the anchor element when a force is exerted on the latch element via the first mechanical operative connection, which normally leads to a movement of the Anchor element would lead from its locking position into its release position, via which a third mechanical operative connection, designed as a form fit, is introduced into the switching element.
  • the force introduced into the switching element via the third mechanical interaction can preferably completely or at least substantially completely be applied to the door opener housing be derived.
  • the third mechanical operative connection can prevent or at least substantially prevent a movement of the anchor element from its locking position into its release position without involving the switching unit, which automatically also prevents movement of the latch element from a closed position into its open position.
  • a door opener according to the invention can in this way provide a high holding force with respect to door opening attempts.
  • this high holding force can be provided independently of the switching unit by the presence of the third mechanical operative connection.
  • the switching unit of a door opener according to the invention can thus be designed to be smaller and more space-saving, since it only has to be designed to provide a force required for the second mechanical operative connection.
  • a mechanically simpler and more compact structure of a door opener according to the invention can be provided in this way.
  • a door opener according to the invention can be designed in such a way that a spring element for at least partially providing the second mechanical operative connection is arranged between the anchor element and the switching element.
  • a spring element can be designed, for example, as a spiral spring, a spring strut being connected to the armature element or the switching element at the end of the spiral spring.
  • Spring elements to provide the second operative connection have the particular advantage that they can also provide damping properties and / or also compensate for manufacturing inaccuracies.
  • a rigid transmission element for at least partially providing the second mechanical operative connection is arranged between the anchor element and the switching element.
  • a rigid transmission element can for example be designed as a further lever element mounted in the housing of the door opener.
  • a corresponding mechanical operative connection of the rigid transmission element with the anchor element with respect to the switching element can be provided, for example, via an articulated connection, a form fit or an engagement of a pin in a pin receptacle, for example an elongated hole.
  • a door opener according to the invention can particularly preferably be designed such that the switching unit has an electromagnet for switching the switching element between its unlocking position and its locking position.
  • Electromagnets are particularly suitable electrical elements in order, for example, to be able to provide a switchable linear movement of an element.
  • a plunger of the electromagnet can be connected to the switching element and in this way provide a movement of the switching element between its locking position and its unlocking position.
  • the anchor element makes positive contact with the latch element in its locking position to at least partially provide the first mechanical operative connection.
  • the anchor element engages in a recess of the latch element and in this way prevents the latch element from moving from its closed position to its open position.
  • Further components for providing the first mechanical operative connection are not necessary in this embodiment of a door opener according to the invention.
  • a particularly compact structure of a door opener according to the invention can be provided in this way.
  • a door opener according to the invention can be designed such that a change for at least partial provision of the first mechanical operative connection is arranged between the anchor element and the latch element, the change in at least one anchor element in its blocking position to block a movement of the latch element from its closed position into its Opening position the anchor element and the latch element each contacted positively.
  • the change in this embodiment of a door opener according to the invention is arranged as part of the first mechanical operative connection between the latch element and the anchor element and is mechanically connected between them.
  • the change can be designed as a lever element that is rotatably mounted in the housing of the door opener.
  • a force acting on the reciprocating element by the latch element is alternately divided, a preferably larger part of this introduced force being diverted into the housing via the alternation and only a smaller part being passed on to the anchor element.
  • a door opener according to the invention can also be designed in such a way that the switching element and / or the anchor element and / or the switch are designed as a lever rotatably mounted in the housing.
  • the possible advantages of an embodiment as a lever have already been mentioned above.
  • the same advantages, in particular a force distribution into a force derived into the housing at the pivot point of the respective lever and a force passed on via a mechanical operative connection, can also be provided for the switching element and the armature element, which are designed as levers rotatably mounted in the housing.
  • the force generated by the latch element when the latch element is attempted to move from its closed position to its open position can be introduced into the housing at several different positions in this way, especially if both the switching element and the anchor element as well as the switch are designed as levers. A particularly good distribution of this force over the entire housing of the door opener can be made possible in this way. At the same time, a particularly large holding force can be provided overall in relation to attempts to open the door.
  • a door opener according to the invention can also be designed in such a way that the switching element has an interaction contour with at least one first contour section for forming the third mechanical operative connection, with an interaction area of the anchor element contacting the first contour section positively with a switching element in its locking position and an anchor element in its blocking position Transfer of a force exertion of the anchor element on the switching element triggered by the exertion of force by the latch element on the anchor element, the first contour section also being shaped such that the force exerted by the anchor element on the switching element is aligned completely transversely, in particular perpendicular, to the first contour section or that in the Force exertion of the anchor element on the switching element, a force component remains along the first contour section.
  • the third mechanical operative connection is formed by a form fit of an interaction area of the anchor element with a first contour section of an interaction contour of the switching element.
  • the first contour section is shaped in such a way that the force exerted by the anchor element on the switching element is aligned completely across the first contour section.
  • the force exerted by the armature element in relation to the switching element is oriented perpendicular to the first contour section and thereby, for example, when the switching element is configured as a lever element, is initiated completely or at least substantially completely in the direction of an axis of rotation of the switching element.
  • this force is completely introduced into the switching element by the switching element and diverted from it, for example via the bearing on the axis of rotation, to the housing of the door opener.
  • a door opener according to the invention is therefore particularly suitable for use in house doors and / or fire doors.
  • the first contour section is shaped in such a way that when force is exerted by the anchor element a force component remains on the switching element along the first contour section.
  • a force component remains, by means of which the interaction area of the anchor element can be moved or moved along the first contour section of the switching element.
  • the anchor element can be moved along the first contour section when the door is attempted to be opened by this remaining force component, whereby the anchor element can be moved from a locked position to a release position, due to a sufficiently large force acting on the latch element.
  • a door equipped with a door opener according to the invention in this embodiment will still open in its locking position when a sufficient force is exerted on the door despite actual locking by the switching element.
  • Use of a door opener according to the invention in this embodiment is therefore particularly advantageous for escape doors.
  • a door opener according to the invention can preferably be further developed in such a way that a rotatably mounted rolling element is arranged on the interaction area of the anchor element, the rolling element contacting the interaction contour of the switching element to form the third mechanical operative connection.
  • a rolling body can be designed, for example, as a sleeve rotatably mounted in the area of the interaction area of the anchor element.
  • Such a rolling element can in particular enable frictional forces to be reduced when the armature element is moved relative to the switching element. In this way, for example, internal wear and tear in a door opener according to the invention can be reduced.
  • the interaction contour has a second contour section, with a switching element in its unlocking position and an anchor element in its release position, the interaction area of the anchor element making positive contact with the second contour section, the second contour section being shaped in such a way that a force generated by a movement of the switching element from its unlocking position into its locking position and acting on the anchor element via the third mechanical operative connection is at least partially aligned along the second contour section.
  • the third mechanical interaction is also present when the switching element is in its unlocking position and the anchor element is in its release position.
  • the locking element With a switched movement of the switching element from its unlocking position into its locking position, on the one hand the locking element is also moved from its release position into its locking position via the second mechanical interaction.
  • the movement of the anchor element from its release position to its blocking position is also further supported by the third mechanical operative connection.
  • a particularly simple and effortless movement of the anchor element from its release position into its blocking position can be provided in this way.
  • the switching unit, which generates these movements described above, can be made simpler, more compact and space-saving in this way.
  • Fig. 1 shows a door opener 10 according to the invention, the latch element 20 of which is in a closed position 22.
  • the door opener 10 has, in particular, a housing 12 in which the individual elements of the door opener 10 according to the invention are arranged.
  • an anchor element 30 and a switching element 40 are arranged in the door opener 10 according to the invention, which are each designed as lever elements rotatably mounted in the housing 12 about axes of rotation 16.
  • the anchor element 30 is in a blocking position 32
  • the switching element 40 is in a locking position 42.
  • the door opener 10 according to the invention has a switching unit 60, which in the illustrated embodiment in particular as an electromagnet 62 for the switchable movement of the switching element 40 between the locking position 42 and the unlocking position 44 (cf. Fig.
  • the switching element 40 is mechanically operatively connected to the armature element 30 via a second mechanical operative connection 82, in this embodiment at least partially provided by a spring element 70.
  • the anchor element 30 is mechanically operatively connected via a first mechanical operative connection 80, provided by a direct form fit between the anchor element 30 and the latch element 20, with this first mechanical operative connection 80 moving the latch element 20 out of the illustrated closed position 22 in an open position 24 (cf. Fig. 5 ) Is blocked.
  • a force is exerted on the anchor element 30 by the latch element 20 via the first mechanical operative connection 80 in such a way that the anchor element 30 is moved from its locking position 32 to its release position 34 would.
  • a third mechanical operative connection 84 is provided between the switching element 40 and the armature element 30, which acts as a form fit, in particular as a form fit between an interaction region 36 of the anchor element 30 and a first contour section 48 of an interaction contour 46 of the switch element 40 , provided.
  • This form fit of the third mechanical operative connection 84 can provide that the force exerted by the latch element 20 is transmitted to the switching element 40 in such a way that this force is at least substantially is derived directly into the housing 12 of the door opener 10 via the axis of rotation 16.
  • the switching unit 60 does not have to absorb the force exerted on the latch element 20 when attempting to open the door.
  • a reduction in size of the switching unit 60 which only has to provide the actual movement of the switching element 40 between its locking position 42 and unlocking position 44, can be made possible in this way.
  • a further embodiment of a door opener 10 according to the invention is shown, which essentially corresponds to the embodiment of the door opener 10 shown in FIG Fig. 1 is shown.
  • a difference between the two embodiments is in particular the second mechanical operative connection 82, which is provided here at least partially by a rigid transmission element 72.
  • This rigid transmission element 72 can, as shown, also be designed, for example, as a rotatable lever element mounted about an axis of rotation 16.
  • the actual connection to the anchor element 30 and the switching element 40 is provided in this embodiment by pins of the respective elements 30, 40, which engage in elongated holes of the rigid transmission element 72. All of the above in relation to the in Fig. 1
  • the shown embodiment of a door opener 10 according to the invention mentioned features and advantages can also be achieved by the in Fig. 2
  • the embodiment shown of the door opener 10 according to the invention can be provided, in particular with regard to a possible simplified embodiment of the switching unit 60.
  • Fig. 3 shows an embodiment of a door opener 10 according to the invention, which differs from the in Figs. 1 and 2
  • the embodiment shown differs in that the first mechanical operative connection 80 is not provided by a direct positive engagement of the anchor element 30 on the latch element 20, but by a further, additional change 74.
  • This change 74 is also in the form of a lever element mounted about an axis of rotation 16 in the housing 12 the door opener 10 is provided.
  • Such a change 74 can, for example, already enable a force transmission in the first mechanical operative connection 80, whereby at least part of the force generated by the latch element 20 during an attempt to open can be diverted into the housing 12 of the door opener 10 by the change 74.
  • a return spring 14 for the change 74 is shown.
  • FIG. 4 and 5 show the in Fig. 3 door opener 10 according to the invention shown, the change 74 not being shown in each case.
  • Fig. 4 shows the door opener with its latch element 20 in its closed position 22, Fig. 5 with the latch element 20 in its open position 24.
  • the following are the two Figures 4 and 5 described together, with the similarities and differences being discussed in each case.
  • Fig. 4 shows the door opener 10 according to the invention in the same state as the door opener 10 in FIG Figs. 1 to 3 are shown.
  • the anchor element 30 is in its blocking position 32 and the switching element 40 is in its locking position 42.
  • the third mechanical operative connection 84 is each formed by a form fit between an interaction area 36 of the anchor element 30 and a first contour section 48 of an interaction contour 46 of the switching element 40 .
  • the interaction area 36 of the armature element 30 is also at least partially formed by a rolling element 38, whereby frictional forces when moving the armature element 30 relative to the switching element 40 can be avoided or at least significantly reduced. Also in the in Fig.
  • a force that is introduced into the anchor element 30 via the latch element 20 when attempting to open the door is at least partially, preferably completely, introduced into the switching element 40 via the third mechanical operative connection 84 and from this via its axis of rotation 16 in the housing 12 derived.
  • Fig. 5 now shows the door opener 10 according to the invention Fig. 4 with its latch element 20 in its open position 24.At the same time, the anchor element 30 is now in its release position 34 and the switching element 40 is in its unlocking position 44. A movement of the latch element 20 between its open position 24 and its closed position 22 is in this state of the door opener 10 according to the invention possible at any time.
  • the interaction contour 46 can have a second contour section 50 in addition to the first contour section 48, the anchor element 30 in its release position 34 with its interaction area 36, in particular with the rolling element 38, resting positively on this second contour section 50.
  • the second contour section 50 is designed in such a way that when the switching element 40 moves from its unlocking position 44 into its locking position 42, a force acts on the anchor element 30 via the interaction area 36 such that a force component remains along the second contour section 50.
  • the second mechanical operative connection 82 here provided by a spring element 70, is supported by the third mechanical operative connection 84 via the remaining force component. Moving the anchor element 30 from its release position 34 into its blocking position 32 can be made possible in this way in a particularly simple manner.
  • a switching element 40 and a rolling element 38 are shown as part of an armature element 30.
  • the rolling element 38 is shown as part of the interaction area 36 when the third mechanical operative connection 84 is provided.
  • the first contour section 48 is designed in such a way that when a force is exerted by the anchor element 30 via the third mechanical operative connection 84 on the switching element 40, although a large part of the force is introduced into the switching element 40 as a force component 94 transversely to the first contour section 48, but also a force component 92 along the first contour section 48 remains.
  • the anchor element 30 is moved by this remaining force component 92 along the first contour section 48 and ultimately brought into its release position 34 (not shown).
  • Use of a door opener 10 with a switching element 40 designed in this way is therefore particularly advantageous for escape doors.
  • the force distribution described above can in particular be provided in that the direction of force introduction, in particular the direction of the force component 94 transverse to the extension of the first contour section 48, is at a distance 90 from the axis of rotation 16 of the switching element 40. For those cases in which this distance 90 disappears, the force component 92 along the first contour section 48 also disappears.In other words, in these embodiments the force of the anchor element 30 is completely introduced into the switching element 40 as a force component 94 transversely to the extent of the first contour section 48 . In this way, regardless of the force acting on the latch element 20, locking of the door can be ensured at any time when an attempt is made to open it.
  • Use of a door opener 10 designed in this way is suitable for house doors and / or fire doors.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Lock And Its Accessories (AREA)
EP20161612.5A 2019-04-17 2020-03-06 Ouvre-porte Withdrawn EP3725986A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019205536 2019-04-17

Publications (1)

Publication Number Publication Date
EP3725986A1 true EP3725986A1 (fr) 2020-10-21

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ID=69845838

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EP20161612.5A Withdrawn EP3725986A1 (fr) 2019-04-17 2020-03-06 Ouvre-porte

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EP (1) EP3725986A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE464463A (fr) *
DE4418863C1 (de) * 1994-05-30 1995-05-18 Fuss Fritz Gmbh & Co Sicherungsvorrichtung für einen Wechsel eines Türöffners
DE202011105510U1 (de) * 2011-05-24 2012-08-28 Assa Abloy Sicherheitstechnik Gmbh Türöffner mit Sperr-Riegel
DE102013103474A1 (de) * 2013-04-08 2014-10-09 Dorma Gmbh + Co. Kg Türöffner sowie Türanordnung, umfassend einen Türöffner
DE102016114688A1 (de) * 2016-08-09 2018-02-15 Assa Abloy Sicherheitstechnik Gmbh Türöffner

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE464463A (fr) *
DE4418863C1 (de) * 1994-05-30 1995-05-18 Fuss Fritz Gmbh & Co Sicherungsvorrichtung für einen Wechsel eines Türöffners
DE202011105510U1 (de) * 2011-05-24 2012-08-28 Assa Abloy Sicherheitstechnik Gmbh Türöffner mit Sperr-Riegel
DE102013103474A1 (de) * 2013-04-08 2014-10-09 Dorma Gmbh + Co. Kg Türöffner sowie Türanordnung, umfassend einen Türöffner
DE102016114688A1 (de) * 2016-08-09 2018-02-15 Assa Abloy Sicherheitstechnik Gmbh Türöffner

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