EP3725985B1 - Ouvre-porte - Google Patents

Ouvre-porte Download PDF

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Publication number
EP3725985B1
EP3725985B1 EP20161597.8A EP20161597A EP3725985B1 EP 3725985 B1 EP3725985 B1 EP 3725985B1 EP 20161597 A EP20161597 A EP 20161597A EP 3725985 B1 EP3725985 B1 EP 3725985B1
Authority
EP
European Patent Office
Prior art keywords
force transmission
door opener
force
housing
blocking
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
EP20161597.8A
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German (de)
English (en)
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EP3725985A1 (fr
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
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Filing date
Publication date
Application filed by Geze GmbH filed Critical Geze GmbH
Publication of EP3725985A1 publication Critical patent/EP3725985A1/fr
Application granted granted Critical
Publication of EP3725985B1 publication Critical patent/EP3725985B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E05B47/0003—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets having a movable core
    • E05B47/0004—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets having a movable core said core being linearly movable
    • 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
    • E05B47/0038—Operating or controlling locks or other fastening devices by electric or magnetic means using permanent magnets

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 open position, the door opener further comprising a power transmission lever, a locking body and a switching element, the power transmission lever between a basic position and a transfer position in the Housing is mounted, the switching element is movably mounted in the housing by a switching unit switchable between a locking position and an unlocking position.
  • Door openers are used in modern technology to enable or prevent an opening movement of a door in a controllable manner.
  • 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, 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 an internal mechanism which is in mechanical operative connection with the latch element of the door opener and via which the movement of the latch element is blocked.
  • Part of such mechanisms can include, for example, lever elements that are rotatably mounted in the housing of the door opener and / or further components mounted in corresponding receptacles of the door opener.
  • the elements of these mechanics are internally and mechanically operatively connected to the latch element in such a way that a movement of the latch element between its open position and closed position or vice versa also results in corresponding movements of the elements of the mechanisms.
  • Known door openers in particular known door openers constructed according to the above operating principle, must provide that a force acting on the latch element when attempting to open the door can be compensated or at least substantially compensated for by the door opener.
  • This places high mechanical demands in particular on the switching element and / or a switching unit that actuates the switching element, since these attempts to open the door often exert high forces on the door to be held in the closed state and these forces ultimately affect the switching element and / or the switching unit internally in the door opener must be passed on and thus have to be compensated by them.
  • the switching element and / or the switching unit are correspondingly solid or stable in known door openers.
  • this can lead to disadvantages with regard to the installation space required for these elements and, for example, also to a high weight of the entire door opener.
  • the object is achieved by a door opener with a housing and a latch element, wherein the latch element is movably mounted in the housing between a closed position and an open position, the door opener further comprising a power transmission lever, a locking body and a switching element, the power transmission lever between a Base position and a transfer position is stored in the housing, the switching element is mounted in the housing so that it can be switched between a locking position and an unlocking position by a switching unit, the locking body being mounted in a stationary housing receptacle within the housing which defines a direction of displacement for the locking body and the locking body defined by the power transmission lever and the locking body can be moved by the power transmission lever within the stationary housing receptacle in the displacement direction between a locking position and a release position.
  • a door opener according to the invention is intended for use in a door for which the door opener can be used to prevent or enable an opening movement.
  • the door opener has a housing and a latch element movably mounted in the housing between a closed position and an open position, the latch element being designed, for example, for positive contact with a door latch of the door.
  • the latch element can preferably be designed as a rotary latch.
  • a mechanism is arranged internally in the door opener or in the housing of the door opener in order to provide the switched enabling or preventing an opening movement of the door.
  • this mechanism includes, in particular, a force transmission lever, a locking body and a switching element.
  • the power transmission lever is mounted in the housing of the door opener between a basic position and a transfer position.
  • the locking body in turn is mounted in a particularly directly movable manner in a housing receptacle of the housing between a locking position and a release position along a displacement direction.
  • the switching element is also movably mounted in the housing, in particular between a locked position and an unlocked position, and it can also be switched between these positions by a switching unit of the door opener.
  • Such a door opener is off, for example DE 20 2010 002 544 U1 known.
  • the power transmission lever at least partially forms a first mechanical operative connection between the latch element and the blocking body
  • the blocking body at least partly a second mechanical operative connection between the force transmission lever and the switching element
  • the switching element at least partly a third mechanical operative connection between the blocking body and the switching unit.
  • the above-described mechanical operative connections and the cascading force transmission provided by them also make it possible, at least in principle, for a movement of the latch element from its closed position into its open position in a movement of the force transmission lever causes its basic position in its transfer position, the locking body from its locking position in its release position and the switching element from its locking position in its unlocking position.
  • a fixed arrangement of the switching element in its locking position can prevent a door from opening, since a switching element fixed in the locking position causes a movement of the locking body from its locking position into its release position, a movement of the power transmission lever from its Basic position in its transfer position and ultimately also a movement of the latch element from its closed position to its open position is prevented or at least substantially prevented.
  • Such a fixed arrangement of the switching element in its locking position can be provided, for example, by the switching unit.
  • the first, second and / or third mechanical operative connection between the individual elements of the door opener according to the invention are designed in a special way.
  • a force transmitted via the first mechanical operative connection is reduced by a first force transmission factor and / or a force transmitted via the second mechanical operative connection is reduced by a second force transmission factor and / or a force transmitted via the third mechanical operative connection is reduced by a third force transmission factor.
  • the respective force transmission factor designates for the corresponding mechanical operative connection the ratio of the force exerted on the respective force transmitter to the force transmitted by the respective force transmitter.
  • the first force transmission factor is the ratio of the force that the latch element exerts on the force transmission lever to the force with which the force transmission lever acts on the locking body.
  • the second power transmission factor is the ratio of the force that the power transmission lever exerts on the locking body to the force with which the locking body acts on the switching element, or the third force transmission factor is the ratio of the force that the locking body exerts on the switching element to the force with which the switching element acts on the switching unit.
  • the force that is transmitted in the corresponding mechanical operative connection is preferably reduced by each of these force transmission factors.
  • at least one of the force transmission factors, preferably all of the force transmission factors, is greater than 1.
  • a force which is transmitted from the force transmission lever to the locking body is smaller by a first force transmission factor than the force which is exerted by the latch element on the force transmission lever.
  • This can be provided, for example, by a corresponding design of the power transmission lever and its storage in the housing, with the fraction of the force introduced into the power transmission lever that is not passed on to the locking body, preferably diverted into the housing of the door opener.
  • the same principle can also be implemented for the locking body in the course of the second mechanical operative connection, with the force transmitted by the locking body to the switching element being reduced by a second force transmission factor compared to a force introduced into the locking body by the force transmission lever.
  • the fraction of the force that is not passed on can be diverted to the housing of the door opener via the mounting of the locking body.
  • the considerations set out above with regard to power transmission can, again, alternatively or additionally, be applied, in particular that the force transmitted by the switching element to the switching unit is compared is reduced by a third force transmission factor to a force introduced by the locking body into the switching element.
  • the presence of a third force transmission factor can provide a preferably further reduction in the force to be provided by the switching element or the switching unit for securely locking the door opener or the latch element in its closed position.
  • the fraction of the force that is not passed on, which is absorbed by the switching element is diverted to the housing.
  • a force that arises when attempting to open a door and acts on the latch element is reduced by the internal mechanics of the door opener according to the invention and is preferably at least partially diverted into the housing of the door opener.
  • the cascading mechanical operative connections between the latch element, the power transmission lever, the locking body, the switching element and the switching unit can in particular be provided so that the force to be provided by the switching unit or the switching element is reduced by a total force transmission factor that corresponds to the product of the first, second and third force transmission factors.
  • a force which is necessary to fix the switching element in its locking position and which mostly has to be provided by the switching unit can be reduced in a particularly simple manner in this way.
  • Requirements for the switching unit with regard to its stability and / or its ability to generate force can be reduced in this way.
  • a smaller and thus space-saving design of these elements can be made possible in this way.
  • a door opener according to the invention can preferably be designed in such a way that the third mechanical operative connection is designed in such a way that a force remains which is transmitted from the blocking body to the switching unit via the third mechanical operative connection.
  • the third mechanical operative connection is designed in such a way that a force remains which is transmitted from the blocking body to the switching unit via the third mechanical operative connection.
  • the third mechanical operative connection is designed in such a way that no or at least essentially no force remains transmitted from the locking body to the switching unit via the third mechanical operative connection.
  • the third mechanical operative connection in particular the operative connection between the blocking body and the switching element, is designed such that a force exerted by the blocking body on the switching element is diverted completely or at least substantially completely into the housing by the switching element.
  • the third force transmission factor by which a force introduced into the switching element through the locking body in the third mechanical operative connection is greater than the force transmitted through the switching element to the switching unit is infinitely large.
  • a door opener according to the invention Regardless of the magnitude of a force acting on the closed door when attempting to open it, in this embodiment of a door opener according to the invention there is no force component that could cause the switching element to move from its locking position to its unlocking position. The switching element thus remains in its locking position at all times and thus also the latch element in its closed position. In other words, the locking functionality of the door opener according to the invention cannot be overcome even with the use of great force. Use of a door opener according to the invention in this embodiment is therefore particularly advantageous for house doors and / or fire doors, for example.
  • a door opener according to the invention can particularly preferably be designed in such a way that the first force transmission factor and / or the second force transmission factor and / or the third force transmission factor has a size of at least 10, preferably a size of at least 25.
  • the respective force transmission factors of the individual mechanical active connections indicate the factor by which the force transmitted in each case is smaller than the force introduced.
  • the cascading arrangement results of the elements of the mechanics of the door opener according to the invention, a total force transmission factor as the product of the individual force transmission factors. For example, for the embodiment in which the first, the second and the third force transmission factor has a size of 10, a total force transmission factor of 1000 can be achieved.
  • the total force transfer factor is already 15625.
  • a particularly large general reduction in the force exerted by the latch element via the mechanical operative connections on the switching unit can be provided, which makes demands on the stability and / or the general Design of the switching unit can be further reduced.
  • the force transmission lever is mounted in the housing so as to be pivotable about an axis of rotation. This is a mechanically particularly simple embodiment.
  • a door opener according to the invention can be designed in such a way that the locking body is designed as a rotationally symmetrical rolling element, in particular as a ball and a cylinder, in particular with an axis of symmetry, it being preferred if, in order to provide the second force transmission factor, a displacement distance of a point of interaction of the The force transmission lever on the locking body and the axis of symmetry along the sliding direction is smaller, in particular at least two times smaller, preferably at least ten times smaller, particularly preferably at least twenty-five times smaller, than a projection distance of the point of interaction and the axis of symmetry transverse to the sliding direction.
  • the locking body is designed as a rotationally symmetrical rolling body.
  • a rolling element can be, for example, a ball or a cylinder, with particularly precisely manufactured and high-strength variants of these elements, for example a ball bearing ball, a dowel pin or the like, can be used.
  • the locking body can be provided in a particularly stable and precise manner.
  • the second force transmission factor can be fixed or at least substantially fixed by selecting a point of interaction of the force transmission lever on the locking body.
  • the point of interaction has a displacement distance along the displacement direction and a projection distance transversely to the displacement direction.
  • a force introduced into the locking body by the force transmission lever will also be divided into a force along the direction of displacement and transversely to the direction of displacement in this, in accordance with a ratio of these two distances. Only the force component along the direction of displacement can be passed on from the locking body to the switching element in the course of the second mechanical operative connection.
  • the force component transverse to the direction of displacement is diverted into the housing, in particular the housing receptacle. In this way, the second force transmission factor can be set in a particularly simple manner by selecting the point of interaction.
  • the point of interaction is not selected in such a way that, with respect to the axis of symmetry of the locking body, it is arranged completely transversely to the direction of displacement of the locking body in the housing receptacle. In other words, it can be ensured in this way that there is a displacement distance along the displacement direction and a projection distance transverse to the displacement direction for each possible point of interaction.
  • the displacement distance is designed to be smaller than the projection distance.
  • the displacement distance can preferably be at least twice, at least ten times or at least twenty-five times smaller than the projection distance.
  • the switching element is designed as a lever mounted pivotably in the housing or as a slide mounted displaceably in the housing or as an armature element of an electromagnet.
  • the respective embodiments of the switching element of a door opener according to the invention have different advantages.
  • a third force transmission factor can be provided in a particularly simple manner, in the form of a lever analogous to that described above for the force transmission lever and the first mechanical operative connection, as a slide and as an anchor element analogous to the blocking body and the second mechanical operative connection described.
  • a direct design as an anchor element of an electromagnet, in particular an electromagnet of the switching unit also enables a particularly compact design of the entire door opener according to the invention.
  • a permanent magnet to support and / or provide a movement of the locking body from its locking position into its release position and / or in the housing a switchable electromagnet for moving the locking body from its release position into its locking position are arranged.
  • the permanent magnet and / or the switchable electromagnet can provide or at least support a movement of the locking body, in addition to triggering such a movement of the locking body by the power transmission lever or the switching element.
  • a force exerted by the blocking body on the switching element is completely or at least substantially completely diverted through the switching element into the housing, this supporting or complete provision of a movement of the blocking body be advantageous by an additional permanent magnet and / or switchable electromagnet.
  • a door opener according to the invention can be designed in such a way that the switching unit has an electromagnet for switching the switching element between its locking position and its unlocking position.
  • Electromagnets are particularly suitable elements in order to be able to provide switchable small movements, as are necessary in a door opener.
  • electromagnets can be designed to be particularly compact, since they can provide a linear movement directly, for example with an armature element, without requiring a mechanical transmission, as would be necessary with rotating electric motors. A particularly compact structure of a door opener according to the invention can thereby be provided or at least supported.
  • a door opener according to the invention can also be designed in such a way that the latch element has a blocking section for contacting a counter-blocking section of the force transmission element, wherein when the latch element is in its open position and the force transmission lever is in its transfer position, the blocking section contacts the counter-blocking section in such a form-fitting manner that a movement the power transmission element is prevented in its basic position.
  • the force transmission lever is prevented in its open position by the positive contacting of the counter-blocking section on the blocking section of the latch element from moving from its transfer position to its basic position, in particular without the first mechanical operative connection in which the first force transmission factor is provided must be used.
  • the Figs. 1 to 3 show a door opener 10 according to the invention, wherein Fig. 1 shows a top view, and the Figs. 2 and 3 each show a side view.
  • the latch element 20 of the door opener 10 is in a closed position 22, in Fig. 3 shown in an open position 24.
  • the Figs. 1 to 3 are described jointly below, the details of the figures being discussed separately in each case.
  • the door opener 10 according to the invention has, in particular, a housing 12 in which the individual elements of the door opener 10 according to the invention are arranged.
  • the door opener 10 has the latch element 20, which, as shown, can be designed as a rotary latch.
  • a mechanism is arranged in the interior of the door opener 10 which can provide a switchable blocking of a movement of the latch element 20 from its closed position 22 into its open position 24.
  • This mechanism includes, in particular, a force transmission lever 30, a locking body 40, a switching element 50 and a switching unit 60 with an electromagnet 62 for the switchable movement of the switching element 50.
  • the individual elements of the mechanism are mechanically operatively connected to one another in a cascading manner, in particular the force transmission lever 30 having a first mechanical operative connection 90 between the latch element 20 and the locking body 40, the blocking body 40 being a second mechanical operative connection 92 between the force transmission lever 30 and the switching element 50 and the switching element 50 a third mechanical operative connection 94 forms between the blocking body 40 and the switching unit 60.
  • the Fig. 1 and 2 show the latch element 20 in its closed position 22, the power transmission lever 30 in a basic position 32, the locking body 40 in a locking position 42 and the switching element 50 in a locking position 52 Movement of the power transmission lever 30 and from Force transmission lever 30 prevents the latch element 20 from moving from its closed position 22 into its open position 24 in a form-fitting manner.
  • An opening of the door which is equipped with a door opener 10 according to the invention, made possible by a movement of the latch element 20 from the closed position 22 into the open position 24, can be prevented in this way.
  • Fig. 1 The elements shown are also a return spring 16 for the switching element 50, by means of which the switching of the switching element 50 can be supported by the switching unit 60.
  • a permanent magnet 64 is arranged in the switching element 50, as a result of which a movement of the blocking body 40 in a housing receptacle 14 of the housing 12 can be supported.
  • Fig. 3 the locking body 40 is moved into a release position 44.
  • This makes it possible for the force transmission lever 30 to be rotated about its axis of rotation 18 against a restoring force of a further restoring spring 16 and brought into a transfer position 34.
  • a blocking section 26 of the latch element 20 is provided on the latch element 20 in such a way that it contacts a counter-blocking section 36 of the power transmission lever 30 in a form-fitting manner .
  • a contour 38 of the counter-blocking section 36 is designed in such a way that as long as the latch element 20 is in its open position 24, a return of the force transmission lever 30 from its transfer position 34 to its basic position 32 is prevented.
  • the mechanical operative connections 90, 92, 94 are designed in such a way that a reduction of a force transmitted through them takes place in each case. This is achieved by a first force transmission factor 100 of the first mechanical operative connection 90 between the latch element 20 and the locking element 40, by a second force transmission factor 102 of the Second mechanical operative connection 92 between the force transmission lever 30 and the switching element 50 and by a third force transmission factor 104 of the third mechanical operative connection 94 between the locking body 40 and the switching unit 60.
  • Each of these force transmission factors 100, 102, 104 is designed in such a way that the force transmitted in the corresponding mechanical operative connection 90, 92, 94 is reduced compared to the force introduced in each case, with a total force transmission factor being the product of the individual force transmission factors 100, 102, 104 results.
  • the fractions of the force that are not passed on are diverted into the housing 12 via the bearings of the individual elements, for example the axis of rotation 18 of the power transmission lever 30 and the axis of rotation 18 of the switching element 50 or the bearings in the housing receptacle 14 at the locking body 40.
  • the switching element 50 or the switching unit 60 can provide a high holding force for the latch element 20 even with a low expenditure of force. Requirements for a stability of the switching element 50 or the switching unit 60 can thereby be reduced, whereby a more compact construction of the switching element 50 or the switching unit 60 can be made possible.
  • Fig. 2 the aforementioned interaction between the latch element 20 and the power transmission lever 30 is shown in more detail.
  • the place of the introduction of force through the latch element 20 and the axis of rotation 18 of the power transmission lever 30 are positioned in relation to one another that the introduction of force acts at a distance 70 from the axis of rotation 18, which is less than the distance between the place of introduction of force and the axis of rotation 18 remaining force is passed on to the locking body 40 at a distance 72.
  • Fig. 4 shows the interaction between the force transmission lever 30 in its basic position 32 and the locking body 40, which is arranged in its locking position 42 in the housing receptacle 14.
  • the locking body 40 is a rolling body, in particular as a sphere, with an axis of symmetry 48 parallel to the axis of rotation 18 of the switching element 50.
  • the introduction of force from the force transmission lever 30 into the locking body 40 takes place in particular at an interaction site 74.
  • This interaction site 74 is selected overall such that a displacement distance 76 along a displacement direction 46 of the locking body 40 in the housing receptacle 14 is smaller than a projection distance 78 of the interaction site 74 transversely to Displacement direction 46.
  • the ratio of the lengths of the projection distance 78 to the displacement distance 76 defines the second force transmission factor 102 for the second mechanical operative connection 92.
  • This can preferably have a size of at least 2, particularly preferably at least 10 or at least 25.
  • a particularly high force transmission between the force transmission lever 30 and the locking body 40 can be provided in this way.
  • Fig. 5 two possible embodiments for possible third mechanical operative connections 94 are shown, with an interaction between the locking body 40 in its locking position 42 and the switching element 50 in its locking position 52 being decisive for this.
  • further elements are shown for the door opener 10 shown, for example the power transmission lever 30 in its basic position 32 as part of the first mechanical operative connection 90 and its power transmission factor 100, the housing 12, the switching unit 60 with its electromagnet 62 and the housing receptacle 14 for storage of the locking body 40.
  • the return spring 16 for supporting the switching movement of the switching element 50 is also shown.
  • an interaction contour 82 of the switching element 50 can be designed in such a way that a force transmitted from the locking body 40 to the switching element 50 has a force direction 84 which points exactly in the direction of the axis of rotation 18 of the switching element 50.
  • the force oriented in the direction of the direction of force 84 is completely diverted into the housing 12; the corresponding third force transmission factor 104 is thus infinitely large in this case.
  • a trap element 20 see FIG Figs. 1 to 3
  • the force generated during an attempt to open the door is completely absorbed by the housing 12 of the door opener 10, whereby an unintentional opening of the door can be reliably prevented.
  • This embodiment of a door opener 10 according to the invention is therefore advantageous for house doors and / or fire doors, for example.
  • FIG. 5 An alternative embodiment of the interaction contour 82 is shown, in which the direction of force 84, in which the blocking body 40 introduces a force into the switching element 50, is now aligned in such a way that a force distance 80 remains with respect to the axis of rotation 18.
  • the same basic force distribution can be provided as has been described above with regard to the force transmission lever 30 and the locking body 40.
  • the provision of a third force transmission factor 104, by which a force introduced into the switching element 50 is greater than the force passed on by the switching element 50 to the switching unit 60, can be provided in this way. It should be noted in particular that the smaller the force distance 80 is set, the greater the third force transmission factor 104 is.
  • This embodiment of a door opener 10 according to the invention is advantageous for escape doors, for example.
  • Fig. 6 shows a possible switching sequence in a door opener 10 according to the invention from a completely locked position into a position in which the door can be opened.
  • the door opener 10 is shown with its latch element 20 in its closed position 22.
  • the switching element 50 is arranged in its locking position 52 by the electromagnet 62 of the switching unit 60 and the return spring 16.
  • the locking body 40 in its locking position 42 and the power transmission lever 30 in its basic position 32.
  • a movement of the latch element 20 from its closed position 22 into its open position 24 is positively prevented in this constellation.
  • Fig. 7 shows an alternative embodiment of a door opener 10 according to the invention in its locking position 52. Furthermore, there is also a switching unit 60 with an electromagnet 62 and all elements are arranged in a housing 12.
  • the individual elements of the door opener 10 according to the invention are linked to one another by mechanical operative connections 90, 92, 94, in each of the mechanical operative connections 90, 92, 94 a reduction of a force transmitted in it according to a corresponding force transmission factor 100, 102 , 104 is provided.
  • the embodiment shown of a door opener 10 is in particular the arrangement of the axis of rotation 18 of the power transmission lever 30. In the embodiment shown, this axis of rotation 18 is arranged much closer to the latch element 20, which enables a particularly compact design of the door opener 10.
  • all other functions of the force transmission lever 30 are also present in this embodiment of a door opener 10 according to the invention.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Lock And Its Accessories (AREA)

Claims (12)

  1. Dispositif d'ouverture de porte (10) comprenant un boîtier (12) et un élément formant loquet (20), l'élément formant loquet (20) étant monté de manière mobile dans le boîtier (12) entre une position fermée (22) et une position ouverte (24), le dispositif d'ouverture de porte (10) comprenant en outre un levier de transmission de force (30), un corps de blocage (40) et un élément de commutation (50), le levier de transmission de force (30) étant monté dans le boîtier (12) entre une position de base (32) et une position de transfert (34), l'élément de commutation (50) pouvant être monté dans le boîtier (12) de manière commutable par une unité de commutation (60) entre une position de verrouillage (52) et une position de déverrouillage (54),
    caractérisé en ce que
    le corps de blocage (40) est monté dans un logement de boîtier fixe (14) qui est situé à l'intérieur du boîtier (12) et qui définit une direction de coulissement (46) du corps de blocage (40) et le corps de blocage (40) peut se déplacer à l'intérieur du logement de boîtier fixe (14) dans la direction de coulissement (46) entre une position de blocage (42) et une position de libération (44), le levier de transmission de force (30) déplaçant le corps de blocage (40) de la position de blocage à la position de libération et l'élément de commutation (50) déplaçant le corps de blocage (40) de la position de libération (44) à la position de blocage (42).
  2. Dispositif d'ouverture de porte (10) selon la revendication 1,
    caractérisé en ce que
    le levier de transmission de force (30) forme au moins en partie une première liaison fonctionnelle mécanique (90) destinée à une transmission de force entre l'élément formant loquet (20) et le corps de blocage (40), le corps de blocage (40) formant au moins en partie une deuxième liaison fonctionnelle mécanique (92) destinée à une transmission de force entre le levier de transmission de force (30) et l'élément de commutation (50) et l'élément de commutation (50) forme au moins en partie une troisième liaison fonctionnelle mécanique (94) destinée à une transmission de force entre le corps de blocage (40) et l'unité de commutation (60),
    lorsqu'une force est exercée sur l'élément formant loquet (20), une force transmise par le biais de la première liaison fonctionnelle mécanique (90) étant réduite d'un premier facteur de transmission de force (100) et/ou
    une force transmise par le biais de la deuxième liaison fonctionnelle mécanique (92) étant réduite d'un deuxième facteur de transmission de force (102) et/ou une force transmise par le biais de la troisième liaison fonctionnelle mécanique (94) étant réduite d'un troisième facteur de transmission de force (104).
  3. Dispositif d'ouverture de porte (10) selon la revendication 1,
    caractérisé en ce que
    la troisième liaison fonctionnelle mécanique (94) est conçue de telle sorte qu'il reste une force transmise du corps de blocage (40) à l'unité de commutation (60) par le biais de la troisième liaison fonctionnelle mécanique (94).
  4. Dispositif d'ouverture de porte (10) selon la revendication 1,
    caractérisé en ce que
    la troisième liaison fonctionnelle mécanique (94) est conçue de telle sorte qu'il ne reste aucune force transmise du corps de blocage (40) à l'unité de commutation (60) par le biais de la troisième liaison fonctionnelle mécanique (94).
  5. Dispositif d'ouverture de porte (10) selon l'une des revendications précédentes,
    caractérisé en ce que
    le premier facteur de transmission de force (100) et/ou le deuxième facteur de transmission de force (102) et/ou le troisième facteur de transmission de force (104) ont une grandeur d'au moins 10, de préférence une grandeur d'au moins 25.
  6. Dispositif d'ouverture de porte (10) selon l'une des revendications précédentes,
    caractérisé en ce que
    le levier de transmission de force (30) est monté dans le boîtier (12) de manière à pouvoir pivoter sur un axe de rotation (18).
  7. Dispositif d'ouverture de porte (10) selon l'une des revendications précédentes,
    caractérisé en ce que
    le corps de blocage (40) est réalisé sous la forme d'un corps roulant à symétrie de révolution, en particulier sous la forme d'une sphère ou d'un cylindre, ayant en particulier un axe de symétrie (48).
  8. Dispositif d'ouverture de porte (10) selon la revendication 6,
    caractérisé en ce que
    pour fournir le deuxième facteur de transmission de force (102), une distance de coulissement (76) entre un site d'interaction (74) du levier de transmission de force (30) sur le corps de blocage (40) et l'axe de symétrie (48) suivant la direction de coulissement (46) est plus petite, en particulier au moins deux fois plus petite, de préférence au moins 10 fois plus petite, de manière particulièrement préférée au moins 25 fois plus petite, qu'une distance de projection (78) entre le site d'interaction (74) et l'axe de symétrie (48) transversale à la direction de coulissement (46).
  9. Dispositif d'ouverture de porte (10) selon l'une des revendications précédentes,
    caractérisé en ce que
    l'élément de commutation (50) est conçu sous la forme d'un levier monté de manière pivotante dans le boîtier (12) ou d'un coulisseau monté de manière coulissante dans le boîtier (12) ou d'un élément formant induit d'un électro-aimant (62).
  10. Dispositif d'ouverture de porte (10) selon l'une des revendications précédentes,
    caractérisé en ce que
    un aimant permanent (64) destiné à favoriser et/ou produire un mouvement du corps de blocage (40) de sa position de blocage (42) à sa position de libération (44) est disposé dans le boîtier (12) et/ou un électro-aimant commutable destiné à déplacer le corps de blocage (40) de sa position de libération (44) à sa position de blocage (42) est disposé dans le boîtier.
  11. Dispositif d'ouverture de porte (10) selon l'une des revendications précédentes,
    caractérisé en ce que
    l'unité de commutation (60) comporte un électroaimant (62) destiné à commuter l'élément de commutation (50) entre sa position de verrouillage (52) et sa position de déverrouillage (54).
  12. Dispositif d'ouverture de porte (10) selon l'une des revendications précédentes,
    caractérisé en ce que
    l'élément formant loquet (20) comporte une portion de blocage (26) destinée à entrer en contact avec une portion de blocage homologue (36) de l'élément de transmission de force (30),
    lorsque l'élément formant loquet (20) est dans sa position ouverte (24) et que le levier de transmission de force (30) est dans sa position de transfert (34), la portion de blocage (26) entrant en contact avec la portion de blocage homologue (36) par complémentarité de formes de manière à empêcher un mouvement de l'élément de transmission de force (30) jusque dans sa position de base (32).
EP20161597.8A 2019-04-17 2020-03-06 Ouvre-porte Active EP3725985B1 (fr)

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Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4056277A (en) * 1976-10-05 1977-11-01 Unican Security Systems, Ltd. Electric strike
DE102006013033B4 (de) * 2006-03-20 2008-11-20 Carl Fuhr Gmbh & Co. Kg Elektrischer Türöffner
DE102009035735A1 (de) * 2009-08-01 2011-02-03 Assa Abloy Sicherheitstechnik Gmbh Fernbetätigbarer Türöffner
DE202010002544U1 (de) * 2010-02-19 2011-08-04 Assa Abloy Sicherheitstechnik Gmbh Elektrischer Türöffner

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