EP4353927A1 - Dispositif d'actionnement de clé - Google Patents

Dispositif d'actionnement de clé Download PDF

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Publication number
EP4353927A1
EP4353927A1 EP23198628.2A EP23198628A EP4353927A1 EP 4353927 A1 EP4353927 A1 EP 4353927A1 EP 23198628 A EP23198628 A EP 23198628A EP 4353927 A1 EP4353927 A1 EP 4353927A1
Authority
EP
European Patent Office
Prior art keywords
coupling
section
rotation
crown gear
key
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
EP23198628.2A
Other languages
German (de)
English (en)
Inventor
Oliver Wilhelm OLIGMÜLLER
Norman Dix
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.)
Griffwerk GmbH
Original Assignee
Griffwerk 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 Griffwerk GmbH filed Critical Griffwerk GmbH
Publication of EP4353927A1 publication Critical patent/EP4353927A1/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
    • E05B47/06—Controlling mechanically-operated bolts by electro-magnetically-operated detents
    • E05B47/0611—Cylinder locks with electromagnetic control
    • 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
    • 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
    • E05B47/02—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means
    • 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
    • E05B2047/0013—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors more than one motor for the same function, e.g. for redundancy or increased power
    • 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
    • E05B2047/0014—Constructional features of actuators or power transmissions therefor
    • E05B2047/0018—Details of actuator transmissions
    • E05B2047/002—Geared transmissions
    • 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
    • E05B2047/0083—Devices of electrically driving keys, e.g. to facilitate opening

Definitions

  • the invention relates to a key actuating device according to the preamble of patent claim 1.
  • Key operating devices for turning a key located in a door lock of a door, in particular a house or apartment door are well known from the prior art, for example from EN 10 2004 021 704 B3 or the EN 10 2017 127 982 A1 .
  • Such key operating devices are usually intended for retrofitting existing door systems and are used to electronically control the locking mechanism of the door by appropriate, preferably remote-controlled, operation of the key in the door lock clockwise or anti-clockwise.
  • the key actuation devices are often designed in a modular manner and have a closed module housing in which all components required for the operation and automated control of the key actuation, in particular the power supply, are accommodated.
  • This module housing is mounted on the door plate and/or the free end of the locking cylinder in a rotationally fixed manner, preferably glued and/or clamped.
  • the key actuation device is controlled manually and/or wirelessly using suitable radio interfaces, which are installed as standard in common mobile communication devices, for example.
  • a key actuating device for turning a key in a lock comprising an actuator, a rotating ring provided for engagement with a key and a gear for mechanically coupling the actuator to the rotating ring. Furthermore, a multi-part coupling device is provided which interacts with the rotating ring and is arranged below the rotating ring in the housing.
  • the disadvantage of known key actuation devices is that they require a lot of installation space due to the drive components that have to be integrated into the module housing, in particular due to a mandatory rotating body for receiving and non-rotatably coupling the key, which is usually connected via a coupling and/or gear unit to an actuator that is also accommodated in the housing, preferably an electric motor drive in mechanical connection.
  • a particular disadvantage of known key operating devices is that they have a considerable height and overall length compared to the dimensions of the door fitting. This creates a voluminous or blocky visual appearance.
  • the invention is based on the object of specifying a key actuating device which eliminates the disadvantages known from the prior art and in particular enables a compact design with a reduced overall height compared to the prior art.
  • the essential aspect of the key actuating device according to the invention is that the rotary receiving unit and the multi-part coupling device are mounted in the housing so that they can rotate relative to one another about the axis of rotation, with the rotary receiving unit being accommodated and integrated in the multi-part coupling device at least in sections for rotatable mounting about the axis of rotation.
  • the integration of the rotary receiving unit into the multi-part coupling device according to the invention particularly advantageously enables a significant reduction in the overall height and the installation space required for the integration of the drive mechanism.
  • the key actuating device according to the invention therefore has a particularly compact design. This also makes it possible to reduce the number of components required to implement the coupling device.
  • controllable drive motor unit is advantageously designed to generate a drive movement about a drive axis oriented radially to the axis of rotation.
  • the arrangement of the controllable drive motor unit according to the invention, in particular several drive units, enables a further reduction in the installation space height.
  • the multi-part coupling device has at least one ring-shaped crown gear and at least one coupling sleeve accommodated in the ring-shaped crown gear for producing a rotationally fixed, mechanical operative connection between the ring-shaped crown gear and the rotary receiving unit accommodated at least in sections in the coupling sleeve.
  • the combination of a crown gear with an integrated coupling sleeve makes it possible to A space-saving and reliable controllable coupling is possible with the rotary receiving unit, which is at least partially accommodated in the coupling sleeve.
  • the multi-part coupling device can be particularly advantageously converted from a first or second coupled state to an uncoupled state and vice versa by controlled rotation of the ring-shaped crown gear clockwise or anti-clockwise about the axis of rotation.
  • the rotary receiving unit In the first coupled state, the rotary receiving unit is connected to the ring-shaped crown gear in a rotationally fixed manner when rotated clockwise.
  • the rotary receiving unit In the second coupled state, the rotary receiving unit is connected to the ring-shaped crown gear in a rotationally fixed manner when rotated anti-clockwise.
  • the rotary receiving unit is decoupled from the ring-shaped crown gear in such a way that the rotary receiving unit can rotate freely about the axis of rotation.
  • the multi-part coupling device according to the invention thus enables both a controlled, motorized rotation of the key accommodated in the rotary receiving unit about the axis of rotation and also a free rotation of the key independently of the existing coupling mechanism.
  • At least one controllable drive motor unit has a drive gear which is or can be brought into driving engagement with the annular crown gear.
  • the drive gear is preferably formed by a drive pinion or a cylindrical pinion.
  • the annular crown gear and the drive gear form an angular gear.
  • three controllable drive motor units are provided in the key actuation device according to the invention, which are designed to synchronously drive the ring-shaped crown gear. This allows drive motor units with reduced power to be used, which require less installation space, so that with radial alignment a further reduction in the height of the installation space in the area of the drive mechanism is possible.
  • the ring-shaped crown gear has a rotating gear ring with a large number of teeth on the upper side running perpendicular to the axis of rotation.
  • the ring-shaped crown gear also includes a through-opening with a circular cross-section in which the coupling sleeve is accommodated in such a way that the rotating gear ring is still freely accessible.
  • the rotating gear ring can be particularly advantageously driven by means of the radially arranged controllable drive units.
  • the rotary receiving unit advantageously has a flat receiving section with a circular cross-section on the top, a transition section immediately adjacent to this along the axis of rotation and a coupling section adjacent to this, the cross-section of the transition section being reduced in comparison to the receiving section and the cross-section of the coupling section also being reduced in comparison to the transition section.
  • the circular receiving section also has a slot-shaped recess or a slot-shaped opening for receiving the free end of the key.
  • the circular receiving section prefferably forms a rotating gear ring on a front edge, which is operatively connected to a gear wheel for determining the rotational position of the rotary receiving unit in relation to the rotation axis.
  • the position sensor unit comprises a gear wheel which can be brought into engagement with the rotating gear ring of the circular receiving section of the rotary receiving unit.
  • the coupling section is at least partially designed as a sleeve and runs concentrically to the axis of rotation, the cross section of the coupling section being designed such that it completely engages in the area of the through-opening of the coupling device that is exposed by the coupling sleeve. This results in a reduction in the overall height.
  • the coupling section advantageously has an outer circumferential surface with a plurality of partially spherical recesses, wherein the partially spherical recesses are arranged at a distance from one another and are evenly distributed over the entire outer circumferential surface.
  • a partially spherical recess is designed to accommodate a coupling ball.
  • the guide openings are particularly advantageously located at the level of the partially spherical recesses, in such a way that a coupling ball accommodated in one of the partially spherical recesses extends through an opposite guide opening and over this in the direction of the inner surface of the annular crown gear protrudes radially from the guide opening.
  • the ring-shaped crown gear has at least one groove-shaped guideway, which is introduced into an inner surface of the ring-shaped crown gear and extends there concentrically around the axis of rotation.
  • the ball section of the coupling ball that protrudes radially from the guide opening engages in the at least one groove-shaped guideway of the ring-shaped crown gear and is guided therein.
  • the groove-shaped guideway extends only over a ring section of the ring-shaped crown gear and is limited by stop areas.
  • a brake can be provided to prevent the coupling sleeve from rotating with the ring-shaped crown gear when the direction of rotation changes, which applies a predetermined braking force to the coupling sleeve.
  • the brake is particularly preferably designed as a single piece with a protective cover.
  • Figure 1 is a perspective view of a key actuating device 1 according to the invention for actuating or turning a key 8 of a door, in particular a house or apartment door, located in a door lock 2, shown by way of example in a usual installation situation, namely the Figure 1
  • the key actuating device 1 shown is mounted, for example, on the inside of the door 3.
  • a mounting plate 4 can be used, for example.
  • a door 3 in the sense of the invention is understood to mean in particular the door leaf or the wing of a door 3, which is usually accommodated in a door frame.
  • Such key actuating devices 1 are basically known from the prior art with regard to their structure and their mode of operation, and they are preferably designed in a modular manner and have a corresponding housing 5.
  • FIG 2 is shown by way of example a front view of a key actuating device 1 according to the invention, in particular its housing front 5.1 with a cover 5.2.
  • the cover 5.2 serves to cover a circular opening in the housing front 5.1, through which access to the drive mechanism and the key 8 accommodated therein and in the locking cylinder 2.1 is possible.
  • the cover 5.2 has, for example, a flat, circular cover section from which a cuboid-shaped cover section protrudes outwards.
  • the cuboid-shaped cover section encloses a slot-shaped receiving space for receiving the free end of the key 8, which is open towards the underside of the cover 5.2.
  • the cover 5.2 is preferably detachably connected to the drive mechanism so that the cover 5.2 can rotate about the rotation axis RA when the key actuating device 1 according to the invention is in operation.
  • a plug connection is preferably provided.
  • the cuboid-shaped hood section also visually indicates the current rotation position of the key 8.
  • the housing 5 serves to accommodate all essential parts or components of the key operating device 1 according to the invention, including the power supply, so that autonomous operation is possible without additional cable connections.
  • the key operating device 1 is mounted on the door 3 or on parts of its door fitting 6 via the housing 5 directly or via a Figure 1 shown mounting plate 4.
  • the door fitting 6 comprises a door handle 6.1 and an associated long or short plate (not shown in the figures) or two rosettes 6.2, whereby one rosette 6.2 accommodates a section of the door handle 6.1 and the other rosette (not shown in Figure 1 shown) to accommodate the free end of the locking cylinder 2.1.
  • FIG 3 shows a side view of the key operating device 1 according to Figure 2 with an indicated locking cylinder 2.1 of the door lock 2, the free end of which is accommodated in the housing 5.
  • the housing 5 comprises a housing rear side 5.3 with a recess or an opening, wherein the recess or the opening is designed for the positive reception of the locking cylinder 2.1 in order to ensure a rotationally fixed reception of the locking cylinder 2.1 in the housing 5.
  • the housing front side 5.1 and the housing rear side 5.3 are connected by a circumferential Housing side walls 5.4 are connected to one another so that a substantially closed housing 5 is created.
  • the housing front side 5.1 and the housing side wall 5.4 are formed in one piece and form a hood-like housing cover which can be detachably connected to the housing rear side 5.3 forming a dimensionally stable carrier plate.
  • the housing 5 of the key actuation device 1 is connected directly to the housing rear side 5.3 of the housing 5 facing the door 2, either to the door 2 and/or to a long or short plate or rosette mounted on the door 2, the long or short plate or the corresponding rosette enclosing the free end of the locking cylinder 2.1 of the door lock 2.
  • Adhesive and/or clamp connections are preferably used to produce a rotationally fixed, direct connection, for example by applying an adhesive coating to the housing rear side 5.3 and/or providing a positive-locking recess 5.3' in the housing rear side 5.3 to accommodate the protruding free end of the locking cylinder 2.1 of the door lock 2.
  • an adhesive layer 5.5 is applied to the housing rear side 5.3, which is intended to produce an adhesive connection with the rosette surrounding the locking cylinder 2.1 or with a plate receiving the locking cylinder 2.1.
  • the door lock 2 is designed, for example, in the form of a box lock and, in addition to the locking cylinder 2.1 in the present embodiment, comprises a latch 2.2 and a bolt 2.3.
  • a latch 2.2 In conventional doors 3, at least one standardized recess open at the front is present in the door 3 to accommodate the door lock 2.
  • the locking cylinder 2.1 is usually operatively connected to the latch 2.2 and the bolt 2.3 of the door lock 2 in order to enable the door 3 to be locked or blocked and opened. When locked, the door 3 can therefore no longer be opened by actuating the latch 2.2 by means of the door handle 6.1.
  • the key actuating device 1 has a rotary receiving unit 7 for the rotationally fixed reception of the free end of the key 8, at least one controllable drive motor unit 9, 9', 9", a multi-part coupling device 10 for the mechanical, driving coupling of the at least one controllable drive motor unit 9, 9', 9" with the rotary receiving unit 7. Furthermore, a control unit 11 for controlling the at least one controllable drive motor unit 9, 9', 9", which is also accommodated in the housing 5.
  • the control unit 11 is realized in the present embodiment in the form of a circuit board with corresponding electronic components, integrated circuits and possibly memory components, which is supplied with the electrical energy required for operation via a power supply unit 13, which is also accommodated in the housing 5.
  • FIG 4 is shown as an example a perspective front view of the key actuating device 1 without the housing front 5.1, cover 5.2 and housing side wall 5.4, wherein the key 8 inserted in the locking cylinder 2.1 is guided through a slot-shaped opening 7a in the rotary receiving unit 7 and protrudes with its free end over the rotary receiving unit 7 so that even after the key actuating device 1 according to the invention has been mounted on the door 3, the key 8 can still be gripped by the user and manually pulled out of the locking cylinder 2.1.
  • Parallel to the slot-shaped opening 7a two further slot-shaped recesses or openings 7b, 7c are provided as an example, which serve to produce a plug connection with the cover 5.2.
  • the cover 5.2 has corresponding nose-like projections for this purpose, which engage in the two further slot-shaped recesses or openings 7b, 7c.
  • FIG 5 shows an example of a perspective side view of the key actuating device 1 according to Figure 3 .
  • a protective cover 12 is provided, by means of which the at least one controllable drive motor unit 9, 9', 9" and the control unit 11 are still protected from external access even after the housing front 5.1 and the housing side wall 5.3 have been removed.
  • the protective cover 12 is preferably detachably connected to the housing rear 5.3, particularly preferably by means of screw connections.
  • the energy supply unit 13 accommodated in the housing 5 is designed, for example, in the form of a battery or a rechargeable battery and is arranged below the protective cover 12, preferably connected to the control unit 11 via two corresponding contact elements that are opposite one another and protrude from the circuit board.
  • the protective cover 12 is preferably recessed accordingly so that the battery or rechargeable battery is freely accessible in order to enable the user to change the battery or rechargeable battery without having to remove the protective cover 12.
  • Figure 6 shows a perspective front view of the key actuating device 1 according to the invention according to Figure 4 and 5 , but with the protective cover 12 removed.
  • the at least one controllable drive motor unit 9, 9', 9" is arranged, which is in driving connection with the multi-part coupling device 10 in order to bring about a controlled rotation of the rotary receiving unit 7 and thus of the key 8 received therein about the rotation axis RA.
  • the key actuating device 1 according to the invention particularly preferably has a plurality of controllable drive motor units 9, 9', 9" which are accommodated in the housing and are provided for driving the rotary receiving unit 7 via the coupling device 10.
  • the at least one controllable drive motor unit 9, 9', 9" is designed to generate a drive movement about a drive axis AR oriented radially to the rotation axis RA.
  • the at least one controllable drive motor unit 9, 9', 9" is arranged radially to the rotation axis RA in the housing and a rotary movement about the drive axis AR can be generated via this, which is translated by the coupling device 10 into a rotary movement of the rotary receiving unit 7 about the rotation axis RA.
  • the rotary receiving unit 7 and the multi-part coupling device 10 are mounted relative to one another so that they can rotate about the rotation axis RA, with the rotary receiving unit 7 being accommodated at least in sections in the multi-part coupling device 10 for rotatable mounting about the rotation axis RA.
  • the key actuating device 1 has a plurality of controllable drive motor units 9, 9', 9", namely a first, second and third controllable drive motor unit 9, 9', 9", which are each arranged or aligned radially to the rotation axis RA in the housing and are designed to generate a drive movement about a drive axis AR oriented radially to the rotation axis RA.
  • controllable drive motor units 9, 9', 9" with low drive power can be used, the space required for which is significantly less than drive motor units with higher drive power, so that the installation space requirement can be significantly reduced again.
  • the first, second and third controllable drive motor units 9, 9', 9" are designed for synchronous driving of the rotary receiving unit 7 via the multi-part coupling device 10.
  • the controllable drive motor units 9, 9', 9" are preferably formed by electric motor units, for example servo motors or stepper motors, which can be controlled together via the control unit 11.
  • the supply of electrical energy takes place via the energy supply unit 13 accommodated in the housing.
  • the multi-part coupling device 10 has at least one ring-shaped crown gear 10.1 and at least one coupling sleeve 10.2 accommodated in the ring-shaped crown gear 10.1 for producing a rotationally fixed, mechanical operative connection between the ring-shaped crown gear 10.1 and the rotary receiving unit 7 accommodated at least in sections in the coupling sleeve 10.2.
  • the ring-shaped crown gear 10.1 is rotatably mounted and preferably guided laterally by a corresponding design of the inside of the housing rear side 5.3.
  • the ring-shaped crown gear 10.1 has on the upper side running perpendicular to the axis of rotation RA a rotating gear ring 10.11 with a large number of teeth, which preferably run obliquely to a line oriented radially to the axis of rotation RA. Furthermore, the ring-shaped crown gear 10.1 forms a through opening 10.12 with a circular cross section, in which the coupling sleeve 10.2 is accommodated in such a way that the rotating gear ring 10.11 is still freely accessible and can be brought into engagement with at least one drive gear 14, 14'. 14" connected to a drive shaft of a controllable drive motor unit 9, 9', 9".
  • the respective drive gear 14, 14'. 14" of the controllable drive motor units 9, 9', 9" also comprises a plurality of teeth which are adapted in terms of shape, dimensions and orientation to the teeth of the rotating gear rim 10.11 of the annular crown gear 10.1.
  • the first controllable drive motor unit 9 has a first drive gear 14
  • the second controllable drive motor unit 9' has a second drive gear 14'
  • the third controllable drive motor unit 9" has a third drive gear 14" each of which is mounted on a drive shaft of the respective controllable drive motor units 9, 9', 9" that runs radially to the axis of rotation RA.
  • the drive gear 14, 14', 14" is preferably formed by a drive pinion or a cylindrical pinion.
  • the ring-shaped crown gear 10.1 and the respective drive gear 14, 14', 14" thus form an angular gear with a predetermined transmission ratio.
  • the ring-shaped crown gear 10.1 rotates accordingly about the rotation axis RA.
  • Figure 7 is an example of a schematic front view of the key actuating device 1 according to the invention according to Figure 6 without the rotary receiving unit 7, the locking cylinder 2.1 and the key 8 accommodated therein as well as without the power supply unit 13.
  • the ring-shaped crown gear 10.1 and the coupling sleeve 10.2 accommodated in its circular through-opening 10.12 as well as the drive gear 14, 14'.
  • the circular through-opening 10.12 also provides a clear view of the positive-locking recess 5.3' provided in the rear of the housing 5.3 for the passage and positive-locking reception of the locking cylinder 2.1, whereby both the annular crown gear 10.1 and the coupling sleeve 10.2 run concentrically around the rotation axis RA.
  • Figure 8 shows a further schematic plan view of the released multi-part coupling device 10 and the associated three controllable drive motor units 9, 9', 9".
  • Figure 9 is a perspective view of the Figure 8 shown arrangement, from which both the design of the drive gears 14, 14'. 14" and their engagement in the rotating gear ring 10.11 of the annular crown gear 10.1 can be seen.
  • FIG 9 a perspective side view of the rotary receiving unit 7 accommodated in the multi-part coupling device 10 is shown.
  • the rotary receiving unit 7 engages in the circular through-opening 10.12 remaining after the coupling sleeve 10.2 has been inserted or in the through-opening enclosed by the coupling sleeve 10.2.
  • the rotary receiving unit 7 has on the top a flat, circular cross-section receiving section 7.1, which comprises the slot-shaped recess 7a for receiving the free end of the key 8 and the mounting slots 7b, 7c arranged parallel thereto for mounting the cover 5.2. Furthermore, a circumferential A ring gear 7.11 is formed, which is operatively connected to a position sensor unit 15 in order to determine the rotational position of the rotary receiving unit 7 in relation to the rotation axis RA, which in the present exemplary embodiment also has a gear 15.1, which is in engagement with the rotating ring gear 7.11 of the rotary receiving unit 7.
  • the flange-like circular receiving section 7.1 is followed by a transition section 7.2 with a reduced cross-section compared to the receiving section 7.1, which in turn merges into a coupling section 7.3 with an even further reduced cross-section, which is at least partially designed like a sleeve and runs concentrically to the rotation axis RA.
  • a large number of partially spherical recesses 7.31 are arranged at a distance from one another on the outer circumferential surface of the coupling section 7.3. These are evenly distributed over the entire outer circumferential surface and each form a receptacle for a coupling ball 16.
  • the radius or diameter of the partially spherical recesses 7.31 is selected such that an at least partially positive reception of the coupling ball 16 in a partially spherical recess 7.31 is possible.
  • guide openings 10.21 are provided in the coupling sleeve 10.2 for guiding a coupling ball 16, which have, for example, a rectangular or square cross-section. If the coupling section 7.3 is accommodated in the coupling sleeve 10.2, the guide openings 10.21 are located at the level of the partially spherical recesses 7.31, so that a coupling ball 16 accommodated in one of the partially spherical recesses 7.31 extends through an opposite guide opening 10.21 and projects radially from the guide opening 10.21 in the direction of the inner surface of the annular crown gear 10.1.
  • Stop areas 10.13a, 10.13b are formed at the opposite ends of the groove-shaped guideway 10.13, via which a rotationally fixed operative connection is created via the coupling ball 16 between the ring-shaped crown gear 10.1 and the coupling section 7.3 of the rotary receiving unit 7 in a clockwise or anti-clockwise direction.
  • the coupling ball 16 is partially received in the partially spherical recesses 7.31 and extends through the guide opening 10.21 of the coupling sleeve 10.2 into the groove-shaped guideway 10.13 of the ring-shaped crown gear 10.1. If the coupling ball 16 reaches one of the stop areas 10.13a, 10.13b at the end of the groove-shaped guideway 10.13, a drive connection is established between the ring-shaped crown gear 10.1 and the rotary receiving unit 7 via the coupling ball 16. To release this drive connection, the ring-shaped crown gear 10.1 is rotated at least over a predetermined angle of rotation in the opposite direction of rotation via the controllable drive motor units 9, 9', 9", thus releasing the drive connection again.
  • Figure 10 shows a schematic view of the rotary receiving unit 7 accommodated in the multi-part coupling device 10.
  • the outer diameter of the receiving section 7.1 of the rotary receiving unit 7 corresponds approximately to the outer diameter of the ring-shaped crown gear 10.1, whereby the diameter of the coupling section 7.3 of the rotary receiving unit 7 is reduced in such a way that it is completely accommodated in the coupling sleeve 10.2 and the outer diameter of the coupling sleeve 10.2 in turn approximately corresponds to the diameter of the transition section 7.2, which has a reduced cross-section compared to the receiving section 7.1.
  • Figure 11 shows a schematic plan view of the rotary receiving unit 7 and Figure 12 a schematic side view of the rotary receiving unit 7 according to Figure 11 .
  • a perspective view of the rotary receiving unit 7 according to the Figures 11 and 12 is finally the Figure 13
  • three Coupling balls 16 are provided for establishing the coupling connection, which are evenly spaced from one another.
  • FIG 14 a perspective view of the coupling sleeve 10.2 is shown, from which the arrangement and design of the guide openings 10.21 in relation to the coupling ball 16 can be seen.
  • three guide openings 10.21 are evenly distributed along the circumference of the coupling sleeve 10.2, over each of which a coupling ball 16 is guided laterally.
  • the ring-shaped crown gear 10.1 shown in a perspective view also has three groove-shaped guide tracks 10.13, each of which extends approximately over a third of the circumference and is separated from one another by a stop area 10.13a, 10.13b, 10.13c. From the schematic plan view of the ring-shaped crown gear 10.1 according to Figure 16 the resulting guideways for the coupling balls 16 are clearly visible.
  • the three groove-shaped guideways 10.13 are designed to be approximately identical to one another.
  • the described multi-part coupling device 10 enables the selection of different coupling states, namely a first or second coupled state and an uncoupled state, by a controlled rotation of the annular crown gear 10.1 clockwise or counterclockwise about the rotation axis RA.
  • Figure 17 (a) shows the first coupled state, in which a drive of the annular crown gear 10.1 in a clockwise direction causes a corresponding actuation of the key 8 via the rotary receiving unit 7.
  • the second coupled state is in Figure 17 (b) in which, when the ring-shaped crown gear 10.1 is driven in the counterclockwise direction, the key 8 accommodated in the rotary receiving unit 7 is also rotated in a controlled counterclockwise direction about the rotation axis RA.
  • Figure 17 (c) shows the decoupled state in which there is no longer any connection between the rotary receiving unit 7 and the multi-part coupling device 10 or the controllable drive motor units 9, 9', 9", ie the The key 8 held in the rotary receiving unit 7 can be freely rotated both clockwise and counterclockwise.
  • a brake 17 which applies a predetermined braking force to the coupling sleeve 10.2, which is dimensioned in such a way that the transfer of the multi-part coupling device 10 into the three coupling states mentioned is ensured by appropriate control of the controllable drive motor units 9, 9', 9", but when the direction of rotation of the coupling sleeve 10.2 is changed, the brake 17 prevents the coupling sleeve 10.2 from rotating with the ring-shaped crown gear 10.1.
  • the multi-part coupling device 10 is then in idle mode, i.e.
  • the key 8 accommodated in the key actuating device 1 according to the invention can be freely rotated by appropriately rotating the cover 5.2 around the axis of rotation RA.
  • the coupling sleeve 10.2 thus only rotates in the first or second coupled state; in the uncoupled state, this held by the brake 15.
  • the brake 17 acts on the upper end face of the coupling sleeve 10.2 and generates a frictional force there, which prevents rotation.
  • the brake 17 is part of the protective cover 12 and extends from this radially to the axis of rotation RA.
  • the brake 17 is, for example, formed in one piece with the protective cover 12, the protective cover 12 being made of an at least partially elastic material, for example plastic.
  • a mounting screw is then provided in order to be able to manually adjust the braking force generated by tightening the mounting screw accordingly.
  • Figure 18 is a schematic plan view and in Figure 19 a perspective view of a correspondingly designed protective cover 12 and the multi-part coupling device 10 operatively connected thereto is shown as an example.
  • the position sensor unit 15 is formed by a Hall sensor unit, which requires little installation space.
  • the gear 15.1 of the position sensor unit 15 is in engagement with the gear ring 7.11 of the receiving section of the rotary receiving unit 7 and thus enables a relative angle measurement.
  • the current rotational position of the rotary receiving unit 7 or the key 8 obtained in this way in relation to the rotation axis RA is evaluated by the control unit 11 to control the controllable drive motor units 9, 9', 9".

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Lock And Its Accessories (AREA)
EP23198628.2A 2022-09-23 2023-09-20 Dispositif d'actionnement de clé Pending EP4353927A1 (fr)

Applications Claiming Priority (1)

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DE102022124569.1A DE102022124569A1 (de) 2022-09-23 2022-09-23 Schlüsselbetätigungsvorrichtung

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EP4353927A1 true EP4353927A1 (fr) 2024-04-17

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6591643B1 (en) * 2001-12-10 2003-07-15 Thomas Cannella Keyless locking system
DE102004021704B3 (de) 2004-04-30 2005-12-22 Elv Elektronik Ag Schlüsselbetätigungsvorrichtung
FR3028282A1 (fr) * 2014-11-07 2016-05-13 Practical House Inc Mecanisme debrayable pour serrure motorisee de type cylindre a bouton.
CN108431349A (zh) * 2015-12-29 2018-08-21 丹娜门锁有限责任公司 电动门锁驱动装置及其操作方法
DE102017127982A1 (de) 2017-11-27 2019-05-29 Eq-3 Holding Gmbh Schlüsselbetätigungsvorrichtung
FR3098838A1 (fr) * 2019-07-18 2021-01-22 Opendoors Dispositif électromécanique d’actionnement de serrure offrant une possibilité d’extraction partielle de la clé intérieure
WO2022015255A1 (fr) * 2020-07-17 2022-01-20 DESI Alarm ve Güvenlik Sistemleri Sanayi ve Ticaret A.S. Bouton rotatif pour barillet de serrure et procédé de détection et d'actionnement de barillet de serrure

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29617063U1 (de) 1995-10-05 1997-04-10 Lysdal Bo Schließanlage mit eingekapselter Treibeinheit für ferngesteuerte Schloßsysteme an Türen und entsprechenden Flügeltüren

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6591643B1 (en) * 2001-12-10 2003-07-15 Thomas Cannella Keyless locking system
DE102004021704B3 (de) 2004-04-30 2005-12-22 Elv Elektronik Ag Schlüsselbetätigungsvorrichtung
FR3028282A1 (fr) * 2014-11-07 2016-05-13 Practical House Inc Mecanisme debrayable pour serrure motorisee de type cylindre a bouton.
CN108431349A (zh) * 2015-12-29 2018-08-21 丹娜门锁有限责任公司 电动门锁驱动装置及其操作方法
DE102017127982A1 (de) 2017-11-27 2019-05-29 Eq-3 Holding Gmbh Schlüsselbetätigungsvorrichtung
FR3098838A1 (fr) * 2019-07-18 2021-01-22 Opendoors Dispositif électromécanique d’actionnement de serrure offrant une possibilité d’extraction partielle de la clé intérieure
WO2022015255A1 (fr) * 2020-07-17 2022-01-20 DESI Alarm ve Güvenlik Sistemleri Sanayi ve Ticaret A.S. Bouton rotatif pour barillet de serrure et procédé de détection et d'actionnement de barillet de serrure

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