EP4303384A1 - Gâche électrique - Google Patents

Gâche électrique Download PDF

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Publication number
EP4303384A1
EP4303384A1 EP23178826.6A EP23178826A EP4303384A1 EP 4303384 A1 EP4303384 A1 EP 4303384A1 EP 23178826 A EP23178826 A EP 23178826A EP 4303384 A1 EP4303384 A1 EP 4303384A1
Authority
EP
European Patent Office
Prior art keywords
component
door opener
change
der
und
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.)
Pending
Application number
EP23178826.6A
Other languages
German (de)
English (en)
Inventor
Manuel Teufel
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.)
Assa Abloy Sicherheitstechnik GmbH
Original Assignee
Assa Abloy Sicherheitstechnik 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 Assa Abloy Sicherheitstechnik GmbH filed Critical Assa Abloy Sicherheitstechnik GmbH
Publication of EP4303384A1 publication Critical patent/EP4303384A1/fr
Pending 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
    • 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
    • E05B47/0001—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
    • E05B47/0006—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets having a non-movable core; with permanent magnet
    • 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
    • E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors

Definitions

  • the invention relates to an electric door opener with the features of the preamble of main claim 1.
  • Door openers constructed in this way are known as closed-circuit door openers and as working-current door openers.
  • the electrical actuator of the electrically controllable switching device is usually designed as an electromagnet, which interacts with an armature designed as a lever.
  • an electromagnet which interacts with an armature designed as a lever.
  • the lever arm of the armature is pulled into contact with the coils of the holding magnet and the electrically switchable locking device is held in the locked position.
  • Such closed-circuit door openers are, for example, from the DE 42 29239 B1 , DE 102 46 665 C5 , EP 2 514 889 B1 and EP 3 156 565 A1 known.
  • the disadvantage of closed-circuit door openers constructed in this way is that although they provide a high preload release, the maximum holding force (breaking force) of the door opener is limited by the holding force of the holding magnet.
  • the electrical actuator of the electrically switchable control device is, for example, as Electric lifting magnet is designed, which controls the armature via a plunger.
  • Electric lifting magnet is designed, which controls the armature via a plunger.
  • the solenoid is energized, the armature is acted upon by the plunger in the release direction.
  • power door openers for example, are out EP 3 199 728 B1 and EP 3 199 230 A1 known.
  • Power door openers of this design have a high level of force, but with only purely mechanical blocking.
  • the coil is only used for unlocking by energizing.
  • the object of the present invention is to create a door opener of the design mentioned at the beginning, which has good preload properties and also high resistance to being broken into.
  • the electrically switchable locking device can be electrically switched into a locking switching position and a release switching position in such a way that it switches the door opener latch into a locking position in the locking switching position and the door opener latch into a release position in the release switching position.
  • the preload introduced via the door opener latch acts on the interaction of the components X and Y.
  • the preload effect also occurs in particular on the spring, which resiliently connects the first element of component X and the second element of component X.
  • the preload determines the displacement of the first element of component X relative to the second element of component
  • the first element of component X is in stop position with component Y, and the second element of component X is out of stop position
  • Component Y is, or the second stop position, in which the second element of component X is in contact with component Y.
  • This second stop position represents a mechanically blocked stop position due to the design of the stop in conjunction with the second element of component is.
  • the first stop position represents a stop position that can be released by electrically releasing the electrically switchable locking device due to the design of the stop in conjunction with the first element of component
  • the components X and Y are preferably components that interact directly in pairs.
  • the components are preferably connected in a line and/or in series with one another and are preferably each movable, preferably rotatably mounted, in the door opener housing.
  • the components are preferably designed in such a way that the component each interacts with a region, preferably with one end, with the component adjacent on one side and with another area, preferably with a different end, interacts with the component adjacent on the other side.
  • the three or four components mentioned in claim 1 do not have to be exhaustive in terms of their number in the embodiments according to the invention. This means that there can be more than three or four such components in the different versions, or even fewer than three or four. Accordingly, the number of alternatives No. 1 to No. 8 mentioned in claim 1 is not exhaustive. It is essential that the armature is a component that interacts on one side with the electrically switchable locking device and on the other side with the change, it can also be provided that a gear is connected between the electrically switchable locking device and the armature, and that a gear is connected between the armature and the change. These intermediate gears can each form an independent additional component or can also be understood as part of the armature or as part of the change.
  • This is also to be understood as a component. This interacts on one side with the change or an intermediate gear and on its other side, preferably its outside, it interacts with the lock latch or the like while absorbing the preload acting from the outside.
  • the expressly optionally provided gear between changeover and door opener latch consisting of a lever with a roller mounted on it makes a pairing possible in which the lever is designed as component X and the roller as component Y and, for example, according to the invention the lever consists of two resilient interconnected lever elements; or also makes a further pairing possible, in which the roller is designed as component X and the lever as component Y and, for example, the roller is designed according to the invention as a resiliently mounted roller; or makes a further pairing possible, in which the role is designed as component or also makes a further pairing possible, in which the lever is designed as component or makes a further pairing possible, in which the door opener latch is designed as component
  • first element of component X and “second element of component a section of the body that is movably connected to the separate body, for example.
  • the “elements of component X” within the meaning of claim 1 are therefore not necessarily different separate bodies of component X. This applies to the “first element of component X” and also to the “second element of component X”.
  • component X it is essential that these two elements of component X interact with component Y and that features i), ii) and iii) of claim 1 are fulfilled. It is particularly important that the two elements of component X are directly or indirectly connected to one another in a resilient manner.
  • the pairings of the components “one-piece” component Y can represent, where “one-piece” means that the component does not have such a first and second element.
  • This implementation according to claim 3 therefore provides a first alternative, in which a spring device between the first and the second Element of component X is connected. This can be carried out particularly preferably if the first element of component X and the second element of component X are each designed as a separate component.
  • the spring device can then advantageously be supported with one end on the first element of component X and with its other end on the second element of component X.
  • the spring device can then be designed, for example, as a helical compression spring.
  • the second alternative implementation according to claim 3 provides that the first element of component X and/or a connecting section of the first element of component X to the second element of component
  • the implementation according to claim 3 basically refers to claim 1 due to the relationship of claim 3 and in this respect always represents a further development of the subject matter of claim 1 and applies to all alternatives No. 1 to No. 8 in the sense of a particularly advantageous further development the resilient connection of the first and second elements of component X.
  • the spring device which resiliently connects the first element of component X and the second element of component X to one another, preferably as intermediate separate Spring device designed, with regard to the preload of the spring device is adjustable.
  • the second element of component X has a receptacle and the first element of component that in an engaging or immersed position, the receptacle surrounds the first element of component X on multiple sides, preferably on two or three sides, preferably in a frame-like manner.
  • first element of the component acts as an anchor and the second element of the component Anchors are movably connected to one another via a bearing and/or a gear, for example via a pivot bearing and/or a joint bearing and/or a sliding bearing and/or via a toothed drive, and/or that the second element of the anchor component has a receptacle and that
  • the first element of the anchor component is designed to engage and/or immerse in the receptacle in such a way that, in an engaging or immersed position, the receptacle surrounds the first element of the anchor component on multiple sides, preferably on two or three sides, preferably in a frame-like manner.
  • the first element of component X is designed as a separate body that is movably and resiliently connected to the carrier and/or main body.
  • Different concrete designs are possible for the movable and resilient connection. You can provide different versions of a movable and resilient mounting of the first element, which is designed as a separate body, on the carrier and/or main body.
  • both the first element of component X and the second element of component X can each be designed as a lever and the second element of component X can be designed as the main body of component X.
  • the second element of component X can also be designed only as a rigid section of the main body or as a section movably mounted on the main body.
  • the stop surfaces that cooperate in the first stop position are designed in such a way, preferably with regard to their angular arrangement, which determines the direction of introduction of their forces acting in the stop position, that the stop position can be released by electrically releasing the electrically switchable locking device.
  • the second stop position is a mechanically blocked stop position, namely a stop position that cannot be released by electrically releasing the electrically switchable locking device.
  • this second stop position is realized in that a stop surface is formed on the second element of component /or interact by applying force to the stop surfaces in a direction that reinforces the blocking in the stop position.
  • the special design of the second stop position according to claim 11 basically refers to claim 1 due to the relationship of claim 11 and in this respect always represents a further development of the subject matter of claim 1 and applies to all alternatives No. 1 to No. 8 in the sense a particularly reliable concrete implementation.
  • the stop surface on component Y is designed as the lateral surface of the roller, which is preferably in the first stop position with the associated stop surface on the first element of component X interacts.
  • Versions are also possible in which the first element of component X is designed as a resilient roller and/or the first element of component X is designed as a roller resiliently mounted on a body of component X. They are therefore particularly compact Versions possible. It can be particularly advantageous if the resiliently mounted roller can be moved in a recess in the body of the component X by acting on a spring device also arranged in the recess.
  • a gear unit is connected between the door opener latch and the change, which is preferably designed as a lever with a roller mounted on it.
  • the electrically switchable locking device has an electromagnet, an electric motor, stepper motor, shape memory actuator, geared motor, linear motor, thermal bimetal, expansion element, piezo element, electrorheological actuator, or the like as an actuator, the armature forming the output member of the actuator or interacts with the output member of the actuator.
  • the door opener can be designed as a closed-circuit door opener.
  • the door opener has an electromagnet as an actuator of the electrically switchable locking device. This can be designed with a contact plate formed on the armature, which is attracted and held in its blocking position in contact with the coil of the holding magnet when the holding magnet is energized.
  • versions of the door opener as a working current door opener are also possible; these can, for example, be designed in such a way that an electric lifting magnet with a plunger or an electric motor with an output member acts as an electrical actuator switchable locking device is formed.
  • the electrically switchable locking device can be unlocked, ie the locking position can be canceled by energizing the lifting magnet or the electric motor.
  • the exemplary embodiments shown in the figures are electric door openers for installation in a stationary door frame in a door in a building.
  • the door openers When installed, the door openers interact with a lock latch of a lock mounted on or in the door leaf of the door.
  • the door leaf can, as is often the case in the practice of using door openers, be a revolving door leaf with a vertical revolving door axis, preferably a stop revolving leaf.
  • the door opener has a door opener latch on the output side, which is controlled via an electrically switchable locking device of the door opener.
  • the door opener latch is designed as a pivoting door opener latch 1 in the exemplary embodiments of the door opener shown in the figures. In the usual installation position on swing doors with a vertical door axis, the axis of rotation 1q of the door strike 1 is aligned vertically.
  • the first exemplary embodiment is in the Fig. 1 , ie in the Fig. 1a , 1a1 , 1a2 , 1b , 1b1, 1b2 , 1.2; 1.3 and 1.4 shown.
  • the door opener has a door opener housing 2 in which the components of the door opener are stored.
  • the door opener housing 2 is designed as a storage and receiving frame for the door opener components.
  • the main components of the door opener are, in addition to the door opener latch 1, an electrically switchable locking device 3, an armature 4 and a change 5 connected between the armature 4 and the door opener latch 1.
  • the change 5 works with the door opener latch 1 via an intermediate gear unit 6 together.
  • the axis of rotation 1q of the door opener latch 1 is aligned in the longitudinal direction of the door opener housing 2 in the illustrated embodiment and is arranged in the door opener housing in such a way that the door opener latch 1 is arranged on the front lateral edge of the door opener housing 2.
  • the actuator of the electrically switchable locking device 3 is designed in the first exemplary embodiment shown as an electromagnet 3ht with a coil 3sp.
  • the door opener is a closed-circuit door opener. With energized electromagnets 3ht, the armature 4 is attracted to the coil 3hs of the electrically switchable locking device and in this position - Locked position - held. By switching off the current, the armature 4 is switched to the release position. In the release position, the armature 4 is no longer attracted by the coil.
  • the anchor 4 is in the overall view Fig. 1a and 1b shown installed in the door closer.
  • the Fig. 1.3 shows the anchor 4 in individual view.
  • the armature is designed as a two-armed lever, which interacts with one arm 4s with the coil 3sp of the holding magnet 3ht and with its other arm 4w with the change 5.
  • the anchor 4 is a one-piece anchor. It has no parts that can be moved relative to one another and are resiliently connected to one another.
  • the lever arm 4s that interacts with the coil 3sp is designed as a long lever arm and the lever arm 4w that interacts with the change 5 is designed as a shorter lever arm.
  • the two lever arms of the anchor 4 form a right angle.
  • the anchor axis of rotation 4q is formed in the apex area slightly offset from the apex. It runs in the door opener assembly in the door opener housing, as shown in the Fig. 1a and 1b can be seen, offset perpendicular to the axis 1a of the door opener latch 1.
  • a return spring 4rf acts on the outside of the short lever arm 4w, which is supported on the housing and, in the drawing, acts on the armature in a clockwise direction in the direction of the coil 3sp.
  • the long lever arm 4s of the armature which interacts with the coil 3s, has a contact surface facing the coil, which is attracted by the coil when the coil is energized.
  • the long lever arm 4s of the armature rests with its contact surface on the coil 3sp.
  • the anchor In this position the anchor is in its locked position. It is held in this position as long as the coil is energized.
  • the short lever arm 4w of the anchor has a roller 4r mounted in the body of the lever arm 4w on its end face facing the change.
  • a blocking stop surface 4aa is formed axially above the roller 4r on the end face of the end face, which is assigned to a blocking stop surface 5aa formed on the change 5 and the lateral surface of the roller 4r forms a stop surface 4ii, which is a stop surface formed on the change 5 5ii is assigned.
  • the roller 4r is not resiliently mounted in the body of the lever arm 4w, but in a pivot bearing that is fixed to the body of the lever arm 4w.
  • the anchor 4 is therefore not a multi-part anchor in the sense of the present invention.
  • the change 5 used in the first exemplary embodiment is in the installed door opener in the overall views of the door opener Fig. 1a and 1b and in individual representation in the Fig. 1.2 and 1.2.1 shown.
  • the change 5 is a multi-part change, that is, in the case of the first exemplary embodiment, it is composed of two bodies in several parts, namely a first body and a second body, which are resiliently connected to one another in that one body is resiliently mounted on the other body .
  • the first body is hereinafter referred to as internal change 5i and the second body is subsequently referred to as external change 5a.
  • the external change 5a forms the main body of the change 5.
  • the elongated housing-like body 5g with a U-cross section, which is mounted as a two-armed lever with an axis of rotation 5q in the door opener housing.
  • This axis of rotation 5q forms the axis of rotation of the change.
  • the elongated housing-like body 5g is arranged along the longitudinal extent of the door opener housing 2 and parallel to the door opener latch 1 in the housing.
  • the axis of rotation 5q is directed perpendicular to the axis of rotation 1q of the door opener latch 1 and perpendicular to the axis of rotation 4q of the anchor 4.
  • the axes are offset from each other so that the axes do not intersect.
  • the elongated body 5g of the two-armed lever 5ah has a hook-shaped end at its end facing away from the armature 4, for interaction with the gear 6 interposed between the change 5 and the door opener latch 1.
  • the hook-shaped end of the body 5g interacts directly with the door opener latch 1.
  • the inner change 5i is resiliently supported on a spring device 5if used.
  • the internal change 5i is formed by a two-armed lever.
  • the spring device 5if has a helical compression spring.
  • the axis of rotation 5iq of the two-armed lever is arranged parallel to the axis of rotation of the change 5q.
  • the elongated base body 5g of the external change is arranged in the door opener housing 2 so that its open side faces the anchor 4.
  • the internal change is accommodated in the section of the housing-like base body, which forms the lever arm that interacts with the anchor 4.
  • the pivot bearing with the axis of rotation 5iq of the internal change is arranged transversely to the U-legs of the housing-like base body.
  • the two-armed lever forming the internal change 5i has a lever arm 5iw, which faces the armature 4 and cooperates with it, and a lever arm facing away from the armature 4, which interacts with the spring device 5if.
  • the spring device 5if has an adjusting device for adjusting the spring preload.
  • a recess is formed in the lever arm of the internal change 5i facing away from the anchor, which is penetrated by a bearing pin which stands up from the bottom of the housing-like base body 5ah and is rigidly connected to it.
  • An adjusting screw 5ifs is screwed into the bearing pin.
  • the helical compression spring of the spring device 5if is mounted coaxially on the bearing pin in such a way that its lower end is supported on the top of the lever arm of the internal change 5i facing away from the anchor and its upper end is supported on a locking washer which is on the underside of the head of the adjusting screw 5ifs is present.
  • the preload of the spring device 5if can be variably adjusted by turning the adjusting screw.
  • the change 5 has a stop surface 5ii on the inner change 5i and a blocking stop surface 5aa on the outer change 5a.
  • the stop surface 5ii on the inner change 5i is formed on the free end of the two-armed lever which forms the inner change 5i and faces the anchor 4.
  • the blocking stop surface 5aa on the outer change 5a is formed on the end face of the free end of the outer change 5a, which is arranged adjacent to the stop surface 5ii formed on the inner change 5i.
  • the stop surface 5ii on the inner change 5i cooperates with the associated stop surface 4ii on the anchor 4, which in the first exemplary embodiment is formed on the lateral surface of the anchor roller 4r.
  • the interaction of these stop surfaces 5ii and 4ii takes place in a first stop position between change 5 and anchor 4 (see. Fig. 1a1 combined with Fig. 1.3 ). This is a stop position that can be released by unlocking the electrically switchable locking device 3. This stop position will be explained in more detail below.
  • a stop position is established between the change 5 and the anchor 4, in which only the inner change 5i is in contact with the anchor 4, i.e. only the stop surface 5ii of the inner change 5i is in stop stands with the assigned stop surface 4ii of the armature 4. Due to the design and mutual arrangement of the abutting surfaces 5ii and 4ii, this stop position can be released by electrically disconnecting the electrically switchable locking device 3.
  • gear 6 which is also referred to here as "gear unit 6"
  • this gear unit 6 is formed by a one-armed lever 6h, on the lever arm of which a roller 6r is mounted.
  • the axis of rotation 6q of the lever 6h is arranged in a bearing of the door opener housing, as can be seen from the overall view in FIGS.
  • a second exemplary embodiment is shown.
  • This embodiment differs from that described previously first embodiment of the Fig. 1 in that in the second exemplary embodiment the anchor 4 is designed as a multi-part anchor in the sense of the invention and the change 5 is designed in one piece.
  • the multi-part anchor 4 consists of an outer anchor 4a and an inner anchor 4i which is resiliently mounted thereon.
  • the inner anchor 4i is formed by a roller 4ir which is resiliently mounted on the short lever arm of the outer anchor 4a.
  • the resilient mounting of the roller 4ir makes the anchor 4 in the second exemplary embodiment described here a "multi-part" anchor in the sense of the invention, consisting of an outer anchor and an inner anchor, which are resiliently connected to one another.
  • the external anchor 4a is designed as a two-armed lever which has a short lever arm 4w facing the change 5 and a long lever arm 4s which interacts with the holding magnet 3ht.
  • the outer anchor 4a has the same basic configuration as the one-piece anchor 4 of the first exemplary embodiment. It consistently has the long lever arm 4s and the short lever arm 4w, which are arranged perpendicular to one another.
  • the long lever arm 4s interacts via its contact plate in the same way as in the first exemplary embodiment with the holding magnet 3ht of the electrically switchable locking device 3.
  • the door opener is designed as a closed-circuit door opener with the holding magnet 3ht in the same way as the door opener of the first exemplary embodiment.
  • the short lever arm 4w of the anchor facing the change 5 interacts with the change 5.
  • the anchor 4 is made up of several parts, in that the inner anchor 4i formed by the roller 4ir is resiliently supported on or in the short lever arm 4w of the outer anchor 4a.
  • the role 4ir is in one Receiving recess open on the front side is accommodated in the short lever arm 4w of the outer anchor 4a and is slidably mounted with its axis ends in opposite elongated holes in the wall of the receiving recess.
  • the spring device 4 if, designed as a helical compression spring, is accommodated in the receiving recess.
  • the receiving recess is open on the side facing the change, so that the resiliently mounted roller 4ir forming the inner anchor 4i can interact with the change 5.
  • the change 5 is, as already mentioned, designed as a one-piece change, i.e. it does not have a spring-loaded internal change. In the basic configuration, however, the change 5 is designed as a two-armed lever in accordance with the change 5 of the first exemplary embodiment.
  • the axis of rotation 5q of the change 5 is the same as in the first exemplary embodiment, perpendicular to the axis of rotation 4q of the anchor 4 and perpendicular to the axis of rotation 1q of the door opener latch 1, and is offset from all other axes of rotation in such a way that the axes do not intersect.
  • the change 5 interacts in the same way as in the first exemplary embodiment at its end facing away from the armature 4 with a gear unit 6, which is connected between the door opener latch and the change 5.
  • the gear unit 6 and the end of the change 5 that interacts with it are designed in the same way as in the first exemplary embodiment and can also be omitted in modified versions, as in the case of the modifications of the first exemplary embodiment.
  • the lever end of the one-piece change 5 assigned to the anchor 4 in the second exemplary embodiment has two rigid stop surfaces 5ii, 5aa arranged next to one another.
  • the stop surface 5ii which interacts with the lateral surface of the resiliently mounted roller 4ir of the armature 4, is formed at the free end of the lever arm of the lever 5. It protrudes from the blocking stop surface 5aa of the change 5, which is also formed on this lever end of the change 5 adjacent to the stop surface 5ii.
  • the lever end of the change 5 is essentially L-shaped, with the stop surface 5ii being formed on the front end of the protruding short L-leg and the blocking stop surface 5aa being formed on the inside of the long L-leg.
  • the stop surface 5ii formed on the change 5 is assigned to the stop surface 4ii formed on the inner anchor 4i.
  • This stop surface 4ii is formed by the outer surface of the resiliently mounted roller 4ir.
  • the blocking stop surface 5aa formed on the change 5 is assigned to the blocking stop surface 5aa formed on the outer anchor 4.
  • the stop position of the inner anchor 4i with the change 5 is in Fig. 2a shown. In this stop position, the stop surfaces 4ii and 5ii are in mutual contact.
  • the stop position of the external anchor 4a with the change 5 is in Fig. 2b shown.
  • this stop position which is designed as a blocking stop position, the blocking stop surfaces 4aa and 5aa also stop against each other.
  • Fig. 2b shown blocking stop position, in which in addition to the stop position described above Fig. 2a Even the blocking stop surfaces 4aa and 5aa formed on the outer anchor 4a and on the change 5 are in mutual abutment cannot be released by electrically releasing the electrically switchable locking device 3.
  • the blocking stop position in Fig. 2b only occurs if the preload acting on the door strike latch is above the permissible maximum preload when the locking device is switched to the locking position. In this respect and what concerns the design and interaction of the blocking stop surfaces 4aa and 5aa, this applies corresponding to that described for the blocking stop position of the first exemplary embodiment.
  • the third exemplary embodiment shown differs from the first exemplary embodiment Fig. 1 essentially in that the third exemplary embodiment is designed as a working current door opener.
  • the change 5 is designed as a multi-part change. This is identical to the first exemplary embodiment Fig. 1 educated.
  • the anchor 4 is designed in one piece, the same as in the first exemplary embodiment, but is designed differently in terms of its construction and arrangement.
  • the actuator of the electrical locking device 3 is designed as a lifting magnet 3hb with a plunger 3st.
  • the plunger 3st is extended into its release position into a stop position with the armature 4 and thereby acts on the armature 4 in the release position, namely in the sense of a displacement of the armature 4 into its release position and holds the armature 4 in the release position as long as the current supply is maintained.
  • the anchor 4 is designed as a one-armed lever.
  • the axis of rotation 4q is formed in the housing parallel to the axis of rotation 5q of the change 5, specifically offset from the axis of rotation 5q of the change and also offset from all other axes of rotation, so that the axes of rotation do not intersect.
  • the anchor 4 designed as a one-armed lever, has a plate-shaped lever arm which interacts with the multi-part change 5.
  • the multi-part change 5 is, as I said, structurally identical to that of the first exemplary embodiment, i.e. with a resiliently mounted internal change 5i and an external change 5a.
  • the blocking stop surface 4aa is adjacent to the end face of the plate-shaped body of the anchor 4 in the direction parallel to the axis of rotation 4q, namely adjacent to the stop surface 4ii, which is also formed on the end face of the plate-shaped body.
  • the first stop position shown is only obtained if, in the blocking position of the electrically switchable locking device 3, the preload acting on the door opener latch 1 is below the predetermined maximum preload.
  • the blocking position of the electrically switchable blocking device 3 is switched on in the exemplary embodiment designed as a working current door opener when the electrical actuator is not energized, ie the lifting magnet 3hb is not is energized and therefore the plunger 3st is not extended.
  • the electrically switchable locking device 3 ie by energizing the solenoid 3hb, the plunger 3st is then extended and the armature 4 is thereby acted upon in a clockwise direction about its axis of rotation 4q in the drawing.
  • the blocking stop position shown only occurs when the preload introduced into the door opener latch 1 is greater than the predetermined maximum permissible preload and the lifting magnet 3hb is not energized, ie the electrically switchable locking device 3 is in its locking position. If the electrically switchable locking device 3 is switched by switching on the power supply, the plunger 3st is extended.
  • the blocking stop position in Fig. 3b However, this cannot solve the problem.
  • the blocking stop surfaces 4aa and 5aa interact in the same way as in the previously described exemplary embodiments.
  • blocking stop surfaces 4aa and 5aa act in addition to the previously described stop position of the stop surfaces 4ii and 5ii and ensure that the armature 4 cannot be moved out of its blocking stop position by extending the plunger by energizing the lifting magnet 3hb.
  • the blocking stop position can only be released occur when the preload acting on the door opener latch 1 is reduced to such an extent that it no longer exceeds the maximum permissible preload.
  • the fourth exemplary embodiment shown differs from the third exemplary embodiment in Fig. 3 only in that in the fourth exemplary embodiment the actuator of the electrically switchable locking device 3 is designed as an electric motor 3m with an electrically linearly extendable output member 3sm with a return spring 3sf acting in the retraction direction.
  • the change 5 is the same as in the exemplary embodiment in Fig. 3 designed as a multi-part change with internal change 5i and external change 5a, which is also structurally the same as in the exemplary embodiment in Fig. 3 .
  • the anchor 4 in the exemplary embodiment in Fig. 4 is also designed as a one-armed lever with a plate-shaped lever arm.
  • the axis of rotation 4q of the armature relative to the other axes of rotation in the door opener housing 1 is also the same as in the exemplary embodiment in Fig. 3 .
  • the return spring 3sf interposed between the armature 4 and the thrust member 3sm ensures that the thrust member 3sm is reset under the spring action when the electric motor is no longer energized.
  • the anchor 4 in the exemplary embodiment in Fig 4 has the same as the anchor 4 of the exemplary embodiment in Fig. 3 a stop surface 4ii and a blocking stop surface 4aa. These are formed in the same way on the front side of the lever arm of the anchor 4 as in the exemplary embodiment in Fig. 3 and also interact in the same way with the stop surface 5ii of the inner change 5i and the blocking stop surface 5aa of the outer anchor 5a.
  • the output link can be extended linearly by 3m via the electric motor 3sm interacts with a tongue that protrudes at the front of the plate-shaped body of the anchor 4.
  • the tongue which interacts with the plunger 3st is formed on the underside of the plate-shaped body of the anchor 4.
  • the stop position in which the stop surface 4ii of the anchor 4 is in abutment with the stop surface 5i of the inner change 5i and the blocking stop position in which, in addition to this stop position of the stop surfaces 4ii and 5ii, the blocking stop surface 4aa of the anchor 4 is also in contact with the blocking stop surface 5aa of the outer anchor 5a Blocking stop is present in the exemplary embodiment Fig. 4 in the same way as in the exemplary embodiment in Fig. 3 .
  • the electrically extendable thrust member 3sm of the electric motor 3m acts in the exemplary embodiment in Fig. 4 same as the plunger 3st of the lifting magnet 3hb in the exemplary embodiment in Fig. 3 .
  • the in Fig. 5 The multi-part change 5 shown is intended for use in door openers that have a structure like the previous exemplary embodiments, in which a multi-part change 5 is used.
  • the multi-part change 5 in Fig. 5 has an external change 5a and an internal change 5i.
  • the external change 5a is designed as a lever with an axis of rotation 5aq. It has a receiving recess 5an on its lever arm 5aw, which interacts with the anchor 4, not shown, in which the internal change 5i is arranged.
  • the internal change 5i is designed as a separate body, namely as a one-armed lever, which is in the receiving recess in one there arranged pivot bearing is rotatably mounted about the axis of rotation 5iq.
  • the internal change 5i is supported by a separate spring device 5if.
  • the spring device 5 if is designed here as a helical compression spring, which is supported in the receiving recess 5an between the underside of the inner change 5i and the bottom of the receiving recess.
  • the external change 5a has an active edge for interaction with a gear 6, not shown, or for direct interaction with the door opener latch 1. If the external change 5a is designed as a two-armed lever, this active edge can preferably be formed on the lever arm facing away from the anchor 4 at the end of this lever arm. If the external change 5a is designed as a one-armed lever, the active edge can be designed, for example, on the side of the lever arm facing away from the anchor.
  • a stop surface 5ii is formed on the inner change 5i, which is assigned to a stop surface 5ii, not shown, on the anchor 4, not shown.
  • the internal change 5i can be retracted into the recess under the action of the anchor, not shown, against the force of the spring device 5if. Otherwise, the interaction of the anchor and the change in connection with the two stop positions is the same as in the previously described exemplary embodiments with a multi-part change and a one-piece anchor.
  • the inner change 5i also has a stop surface 5ii, which is assigned to a stop surface 4ii, not shown, on the anchor, not shown, and the outer change 5a has a blocking stop surface 5aa, which is assigned to a blocking stop surface 4aa, not shown, on the anchor 4, not shown.
  • the multi-part change 5 shown represents a sixth exemplary embodiment.
  • This exemplary embodiment differs from the fifth exemplary embodiment only in that the inner change 5i is designed as a leaf spring and is connected to the outer change 5a via a mechanical connecting device 5vb with a rivet connection, screw connection or welded connection, these Connection also forms the axis of rotation 5iq.
  • no separate spring device 5 is required.
  • the multi-part change 5 shown is a seventh exemplary embodiment, which differs from those in the 5 and 6
  • the inner change 5i and the outer change 5a are formed and connected in one piece, the inner change 5i being designed to be resilient, in such a way that the inner change 5i is connected to the outer change 5a via a connecting section which is made of spring-elastic material Material is formed.
  • the lever arm of the internal change 5i itself can be made of spring-elastic material.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Lock And Its Accessories (AREA)
EP23178826.6A 2022-06-22 2023-06-13 Gâche électrique Pending EP4303384A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102022115559.5A DE102022115559B3 (de) 2022-06-22 2022-06-22 Türöffner für eine Tür mit elektrisch schaltbarer Sperreinrichtung

Publications (1)

Publication Number Publication Date
EP4303384A1 true EP4303384A1 (fr) 2024-01-10

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ID=86764691

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23178826.6A Pending EP4303384A1 (fr) 2022-06-22 2023-06-13 Gâche électrique

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Country Link
EP (1) EP4303384A1 (fr)
DE (1) DE102022115559B3 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4229239C1 (fr) 1992-09-02 1993-09-23 Fritz Fuss Gmbh & Co, 7470 Albstadt, De
DE4418863C1 (de) * 1994-05-30 1995-05-18 Fuss Fritz Gmbh & Co Sicherungsvorrichtung für einen Wechsel eines Türöffners
DE10246665C5 (de) 2002-10-07 2008-04-24 Dorma Gmbh + Co. Kg Elektrisch entsperrbare Freigabevorrichtung für Türen
EP3156565A1 (fr) 2015-10-13 2017-04-19 ASSA ABLOY Sicherheitstechnik GmbH Ouverture de porte
EP3199230A1 (fr) 2016-02-01 2017-08-02 Covestro Deutschland AG Dispositif de melange continu d'au moins deux substances
EP3199728B1 (fr) 2016-02-01 2018-11-28 ASSA ABLOY Sicherheitstechnik GmbH Ouvre-porte résistant aux chocs
US20200048930A1 (en) * 2018-08-13 2020-02-13 Montajes Electronicos Dorcas, S.L. Lock device
EP2514889B1 (fr) 2011-04-22 2020-02-19 ASSA ABLOY Sicherheitstechnik GmbH Dispositif d'ouverture de porte

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7516495U (de) 1975-10-16 Kaufmann J Sicherungsvorrichtung, insbesondere für elektromagnetische Türöffner
DE102013103479A1 (de) 2013-04-08 2014-10-09 Dorma Gmbh + Co. Kg Türöffner

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4229239C1 (fr) 1992-09-02 1993-09-23 Fritz Fuss Gmbh & Co, 7470 Albstadt, De
DE4418863C1 (de) * 1994-05-30 1995-05-18 Fuss Fritz Gmbh & Co Sicherungsvorrichtung für einen Wechsel eines Türöffners
DE10246665C5 (de) 2002-10-07 2008-04-24 Dorma Gmbh + Co. Kg Elektrisch entsperrbare Freigabevorrichtung für Türen
EP2514889B1 (fr) 2011-04-22 2020-02-19 ASSA ABLOY Sicherheitstechnik GmbH Dispositif d'ouverture de porte
EP3156565A1 (fr) 2015-10-13 2017-04-19 ASSA ABLOY Sicherheitstechnik GmbH Ouverture de porte
EP3199230A1 (fr) 2016-02-01 2017-08-02 Covestro Deutschland AG Dispositif de melange continu d'au moins deux substances
EP3199728B1 (fr) 2016-02-01 2018-11-28 ASSA ABLOY Sicherheitstechnik GmbH Ouvre-porte résistant aux chocs
US20200048930A1 (en) * 2018-08-13 2020-02-13 Montajes Electronicos Dorcas, S.L. Lock device

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