EP3859102B1 - Door closing system - Google Patents

Door closing system Download PDF

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Publication number
EP3859102B1
EP3859102B1 EP21151279.3A EP21151279A EP3859102B1 EP 3859102 B1 EP3859102 B1 EP 3859102B1 EP 21151279 A EP21151279 A EP 21151279A EP 3859102 B1 EP3859102 B1 EP 3859102B1
Authority
EP
European Patent Office
Prior art keywords
pin
coupling
door
door handle
piece
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
EP21151279.3A
Other languages
German (de)
French (fr)
Other versions
EP3859102C0 (en
EP3859102A1 (en
Inventor
Michael Boyd
Fatos Uka
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.)
Karcher GmbH
Original Assignee
Karcher 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
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Publication of EP3859102A1 publication Critical patent/EP3859102A1/en
Application granted granted Critical
Publication of EP3859102C0 publication Critical patent/EP3859102C0/en
Publication of EP3859102B1 publication Critical patent/EP3859102B1/en
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
    • E05B13/00—Devices preventing the key or the handle or both from being used
    • E05B13/002—Devices preventing the key or the handle or both from being used locking the handle
    • E05B13/004—Devices preventing the key or the handle or both from being used locking the handle by locking the spindle, follower, or the like
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/0033—Spindles for handles, e.g. square spindles
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B1/00—Knobs or handles for wings; Knobs, handles, or press buttons for locks or latches on wings
    • E05B1/003—Handles pivoted about an axis perpendicular to the wing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B13/00—Devices preventing the key or the handle or both from being used
    • E05B13/10—Devices preventing the key or the handle or both from being used formed by a lock arranged in the handle
    • E05B13/101—Devices preventing the key or the handle or both from being used formed by a lock arranged in the handle for disconnecting the handle
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/0053—Other details of locks; Parts for engagement by bolts of fastening devices means providing a stable, i.e. indexed, position of lock parts
    • E05B15/006—Spring-biased ball or roller entering a notch
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/16—Locks or fastenings with special structural characteristics with the handles on opposite sides moving independently
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/0035—Locks or fastenings for special use for privacy rooms, e.g. bathrooms
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/0065—Operating modes; Transformable to different operating modes
    • E05B63/0069—Override systems, e.g. allowing opening from inside without the key, even when locked from outside

Definitions

  • the invention relates to a door locking system for opening and closing a door lock in a door according to the preamble of claim 1.
  • a door locking system typically includes a first door handle unit with a first door handle and a second door handle unit with a second door handle.
  • the door handles are then arranged on both sides of the door and connected to one another in a rotationally fixed manner via a polygonal pin. This allows the door handles to be pivoted together on the door.
  • the polygonal pin is then effectively connected to a door lock, so that the closed door lock can be opened when one of the door handles is pivoted.
  • a locking system can also be mounted on the door.
  • the locking system can lock or unlock the door independently of the door locking system.
  • a door with a door locking system and an additional locking system is out EP 2 182 144 A1 known.
  • Such additional locking systems are usually installed below the door locking system and therefore take up additional space.
  • US 2,469,601 A discloses a door locking system with a polygonal pin made of two pin pieces and a coupling pin.
  • the coupling pin is adjustable in the polygonal pin, so that the pin pieces of the polygonal pin are connected to one another in a rotationally fixed or rotatable manner.
  • Door handles are coupled to the pin pieces, so that the door handles can be rotated together or only one of the door handles can be rotated.
  • DE 36 44 281 A1 discloses a door locking system with a polygonal pin with two pin pieces.
  • the inside pin piece can be moved using a button and thereby interacts with the outside pin piece.
  • Door handles are coupled to the pin pieces so that the door handles can be rotated together or only one of the door handles can be rotated.
  • the object of the invention is therefore to provide an improved or at least alternative embodiment for a door locking system of the generic type, in which the disadvantages described are overcome.
  • the door locking system should be designed to be compact and enable the door lock to be locked.
  • a door locking system is intended for opening and closing a door lock in a door.
  • the door locking system includes a first door handle unit with a first door handle and a second door handle unit with a second door handle. The first door handle and the second door handle can be pivoted about a common axis of rotation.
  • the door locking system also includes a coupling device with an axially aligned polygonal pin, which has a first pin piece and a second pin piece. The first pin piece is connected to the first door handle and the second pin piece is non-rotatably connected to the second door handle. According to the invention, the pin pieces of the polygonal pin are separated from one another and only the first pin piece of the polygonal pin can be coupled to the door lock.
  • the coupling device also includes an axially aligned coupling pin, which is arranged in the polygonal pin and is axially adjustable into a coupling position and into a decoupling position.
  • the pin pieces of the polygonal pin are connected to one another in a rotationally fixed manner in the coupling position of the coupling pin and can be rotated relative to one another in the decoupling position of the coupling pin.
  • the pin pieces and therefore also the door handles are connected to one another in a rotationally fixed manner.
  • the two pin pieces of the polygonal pin and the other door handle are pivoted about the common axis of rotation.
  • the door lock can be coupled to the first pin piece and can therefore be opened when one of the door handles is pivoted.
  • the coupling pin is in the decoupling position, the pin pieces and therefore also the door handles can be rotated relative to one another.
  • the door lock can be coupled or coupled to the first pin piece, the door lock cannot be opened when the second door handle is pivoted.
  • the first pin piece of the polygonal pin is always pivoted and the door lock that can be coupled to it is thereby opened.
  • the door lock can advantageously be opened by the two door handles in the coupling position of the coupling pin and exclusively by the first door handle in the decoupling position of the coupling pin.
  • This advantageous effect is achieved by the coupling pin, which is arranged in the polygonal pin and therefore does not require any additional installation space.
  • the door locking system according to the invention is therefore constructed more compactly compared to a conventional door locking system with an additional locking system.
  • the first door handle or the first door handle unit is intended for installation on the interior side and the second door handle or the second door handle unit is intended for installation on the exterior side.
  • the door locking system according to the invention can be used to implement a private function. This allows a person who desires privacy in a room - such as a washroom or toilet - to adjust the decoupling position. In the decoupling position, the door to this room cannot be opened with the second door handle on the outside room side.
  • the door locking system according to the invention provides an emergency opening function, since the trapped person can always open the door lock with the first door handle on the interior side. In particular, this can reduce the risk of children locking themselves up.
  • the coupling pin protrudes axially outwards from the first door handle and from the outside can be manually adjusted from the coupling position to the decoupling position.
  • the coupling pin can be adjusted to the decoupling position on the interior side and the pin pieces can thereby be rotatably connected to one another or decoupled from one another. If the coupling pin is now adjusted to the decoupling position, the door lock can no longer be opened by the second door handle or on the outside. The coupling pin remains in the decoupling position until it is moved into the coupling position.
  • the coupling device can comprise a reset unit.
  • the reset unit can adjust the coupling pin from the decoupling position to the coupling position when pivoting the first door handle. So if the coupling pin is in the decoupling position and the first door handle is pivoted, the coupling pin automatically goes into the coupling position. This makes it easier to adjust the coupling pin from the decoupling position to the coupling position. Furthermore, accidental locking of the door can also be prevented, since as soon as a person pivots the first door handle on the interior side when leaving a room, the coupling pin automatically goes into the coupling position and the door can also be opened on the outside side. If the coupling pin is in the coupling position and the first door handle is operated, the coupling pin remains in the coupling position. Adjusting the coupling pin from the coupling position to the decoupling position can be done manually - as described above.
  • the reset unit comprises a formation and a ramp.
  • the formation can be formed or arranged on the coupling pin and protrude radially from it.
  • the ramp can be designed transversely to the axis of rotation on the first pin piece of the polygonal pin facing the first door handle.
  • the formation then lies in the decoupling position of the coupling pin on the ramp and slides axially when the first door handle is pivoted on the ramp. Since the first pin piece is pivoted when the first door handle is pivoted, the ramp also rotates about the axis of rotation and shifts the formation axially out of its position. As a result, the coupling pin is also axially displaced from the decoupling position into the coupling position.
  • the restoring unit comprises a coil spring.
  • the coil spring can be arranged around the coupling pin and is then supported axially on one side on the ramp and on the other side on a radially circumferential stop edge of the coupling pin.
  • the coil spring is axially clamped in the decoupling position of the coupling pin and supports the axial displacement of the coupling pin from the decoupling position into the coupling position when the first door handle is pivoted.
  • the coupling pin has a rotation area and an axially adjacent and rotationally asymmetrical coupling area.
  • the coupling pin and the first pin piece can then be rotatably connected to one another via the rotation range.
  • the rotation range of the coupling pin can be cylindrical, for example. It is conceivable that a counter-rotation contour is formed in the first pin piece for the rotation range of the coupling pin.
  • the rotation range of the coupling pin is then accommodated within the counter-rotation contour of the first pin piece in a radially fixed, axially displaceable and rotatable manner.
  • a first counter-contour is also formed in the first pin piece and a second counter-contour for the coupling area is formed in the second pin piece.
  • the coupling pin and the respective pin piece can then be connected to one another in a rotationally fixed manner.
  • the respective counter contour and the coupling area can have a rotationally fixed and positive connection with one another enter.
  • the counter contours in the two pin pieces can be identical to one another.
  • the coupling region in the decoupling position of the coupling pin, can be arranged outside the first counter contour of the first pin piece and the pin pieces can thereby be rotatable relative to one another.
  • the rotation area can be arranged in the first pin piece.
  • the coupling area In the coupling position of the coupling pin, the coupling area can then be arranged in some areas in the first counter-contour of the first pin piece and in some areas in the second counter-contour of the second pin piece, and as a result the pin pieces can be connected to one another in a rotationally fixed manner.
  • the respective counter contours and the coupling area of the coupling pin form a rotationally fixed, positive connection, which enables the two pin pieces and also the door handles to be pivoted together about the common axis of rotation.
  • the rotation range of the coupling pin can be arranged completely in the first pin piece.
  • the coupling device has a latching unit which axially fixes the coupling pin in the coupling position and in the decoupling position. This can prevent the coupling pin from unintentionally moving from the decoupling position to the coupling position and vice versa.
  • the locking unit can comprise a radially resilient ball and two axially adjacent and radially aligned openings.
  • the ball is snapped into one opening in the coupling position and into the other opening in the decoupling position.
  • the openings are then in the coupling pin formed and the ball is fixed in a radially resilient manner penetrating the second pin piece of the polygonal pin or on the second door handle and the second pin piece of the polygonal pin.
  • the openings are formed in the coupling pin and the ball is fixed in a radially resilient manner on the first pin piece of the polygonal pin or on the first door handle and the first pin piece of the polygonal pin.
  • the openings are formed in the first or in the second pin piece and the ball is fixed in a radially resilient manner on the coupling pin.
  • the door locking system includes the door lock.
  • the door lock is then coupled to the first pin piece of the polygonal pin.
  • the door lock can then be opened in the decoupling position of the coupling pin exclusively by pivoting the first door handle and in the coupling position of the coupling pin by pivoting the first door handle or by pivoting the second door handle.
  • Fig. 1 and Fig. 2 show views of a door locking system 1 according to the invention.
  • the door locking system 1 is mounted on a door 2 and includes a first door handle unit 3a and a second door handle unit 3b.
  • the first door handle unit 3a comprises a first door handle 4a and a first cover unit 5a, which fixes the door handle 4a on the door 2 so that it can pivot about an axis of rotation DA.
  • the second door handle unit 3b includes a second door handle 4b and a second cover unit 5b - shown in Fig. 3-6 , - which fixes the door handle 4b on the door 2 so that it can pivot about the axis of rotation DA.
  • the door locking system 1 further comprises a door lock 6, which can be opened by pivoting the door handles 4a and 4b about the axis of rotation DA.
  • the door handle units 3a and 3b are coupled to one another via a coupling device 7 with a coupling pin 8.
  • the coupling pin 8 is in a decoupling position and in Fig. 2 adjusted into a coupling position axially to the axis of rotation DA.
  • the structure and mode of operation of the door locking system 1 according to the invention are explained below Fig. 3-11 explained in more detail.
  • a lock system 9 arranged, which can be operated independently of the door locking system 1 according to the invention and is not part of the invention.
  • Fig. 3 to Fig. 6 show sectional views of the door locking system 1.
  • the coupling device 7 connects the two door handles 4a and 4b axially with one another.
  • the coupling device 7 has an axially aligned polygonal pin 10, which has a first pin piece 11a and a second pin piece 11b.
  • the first pin piece 11a is connected to the first door handle 4a and the second pin piece 11b is connected to the second door handle 4b in a form-fitting, rotationally fixed and axial manner. Pivoting the respective door handle 4a or 4b causes the respective pin piece 11a or 11b to pivot.
  • the two pin pieces 11a and 11b are separated from each other or are independent components and are connected to one another via the coupling pin 8.
  • the door lock 6 is coupled to the first pin piece 11a, so that the door lock 6 can only be opened when the first pin piece 11a is pivoted.
  • the coupling pin 8 is adjusted to the coupling position.
  • the two pin pieces 11a and 11b of the polygonal pin 10 are connected to one another in a rotationally fixed manner and the two door handles 4a and 4b can be pivoted together about the axis of rotation DA.
  • the door lock 6 can be opened by pivoting the first door handle 4a or by pivoting the second door handle 4b.
  • the door locking system 1 acts like a conventional door locking system with a one-piece polygonal pin.
  • the coupling pin 8 is moved into the decoupling position, for which purpose the coupling pin is moved axially towards the second door handle 4b.
  • the two pin pieces 11a and 11b of the polygonal pin 10 can be rotated relative to one another.
  • the second door handle 4b and thereby the second pin piece 11b can be pivoted about the axis of rotation DA, but the first pin piece 11a and the first door handle 4a are not pivoted.
  • the door lock 6 cannot be opened when the second door handle 4b is pivoted.
  • the first pin piece 11a is also pivoted and the door lock 6 is thereby opened.
  • the coupling pin 8 has a rotation area 12 and a non-rotationally symmetrical coupling area 13 and is arranged in the polygonal pin 10.
  • a first counter contour 14a is formed in the first pin piece 11a and a second counter contour 14b is formed in the second pin piece 11b for the coupling area.
  • the counter contours 14a and 14b are identical to one another and can accommodate the coupling area 13 of the coupling pin 8 in a form-fitting manner.
  • Fig. 4 the coupling pin 8 is shown in the coupling position.
  • the coupling pin 8 is shifted axially towards the first door handle 4a, so that the coupling area 13 is accommodated in the first counter-contour 14a and in the second counter-contour 14b. Due to the positive connection between the coupling area 13 and the counter contours 14a and 14b, the pin pieces 11a and 11b are connected to one another in a rotationally fixed manner.
  • the coupling pin is in the decoupling position and displaced axially towards the second door handle 4b.
  • the coupling area 13 of the coupling pin 8 is only in positive engagement with the second counter contour 14b.
  • the rotation area 12 of the coupling pin 8 is arranged in areas in the counter contour 14a and cannot prevent the coupling pin 8 from rotating in the first pin piece 11a.
  • the two pin pieces 11a and 11b can be rotated relative to one another.
  • the coupling pin 8 is axially fixed in the coupling position and in the decoupling position on the second pin piece 11b by means of a latching unit 16.
  • the structure and mode of operation of the locking unit 16 are explained below Fig. 7 explained in more detail.
  • the locking unit prevents the coupling pin 8 from unintentionally moving from the decoupling position to the coupling position and vice versa.
  • the coupling pin 8 can be manually adjusted from the coupling position to the decoupling position.
  • the coupling pin 8 protrudes axially from the first door handle 4a in the coupling position and can be adjusted into the decoupling position towards the second door handle 4b.
  • a reset unit 17 is provided to adjust the coupling pin 8 from the decoupling position to the coupling position.
  • the reset unit 17 comprises a radially aligned formation 18 on the coupling pin 8 and a ramp 19 formed transversely to the axis of rotation DA on the first pin piece 11a. Is the coupling pin 8 in the decoupling position and if the first door handle 4a is pivoted, the first pin piece 11a is also pivoted.
  • the ramp 19 is rotated about the axis of rotation DA and moves the formation 18 and thereby the coupling pin 8 towards the first door handle 4a.
  • a coil spring 20 of the reset unit 17 supports the axial movement of the coupling pin 8.
  • the coil spring 20 In the decoupling position, the coil spring 20 is clamped between the ramp 19 and a circumferential stop edge 21 of the coupling pin 8 and the formation 18 rests on the ramp 19, as in Fig. 6 is recognizable.
  • the coil spring 20 In the coupling position, the coil spring 20 is relaxed and the formation 18 is away from the ramp 19, as shown in Fig. 4 is recognizable.
  • Fig. 7 shows an exploded view of the coupling device 7.
  • the coupling pin 8 is held in the decoupling position and in the coupling position by means of the latching unit 16.
  • the locking unit 16 includes a radially resilient ball 22 and two axially adjacent and radially aligned openings 23 and 24.
  • the ball 22 locks into the opening 23 in the coupling position and into the opening 24 in the decoupling position, as in Fig. 4 and Fig. 6 is recognizable.
  • the openings 23 and 24 are formed in the coupling pin 8 and the ball 22 is fastened in a radially resilient manner in this exemplary embodiment to the second pin piece 11b of the polygonal pin 10 by means of a spring 27 and a screw 28.
  • the coupling pin 8 is multi-part and includes an axial stop 25, a coupling pin part 29, a stop nut 30 and an actuating screw 31.
  • the axial stop 25 is formed facing the second pin piece 11b by means of a screw and a nut and is fixed to the coupling pin part 29. Facing the first pin piece 11a, the stop nut 30 is screwed onto the coupling pin part 29, which forms the stop edge 21 for the coil spring 20 of the reset unit 17.
  • the actuating screw 31 with the stop nut 21 is also facing away from the coupling pin part 29 screwed. The actuating screw 31 protrudes partially from the first door handle 4a.
  • Fig. 8 shows a view of the second pin piece 11b of the polygonal pin 10.
  • Fig. 9 and Fig. 10 show views of the first pin piece 11a of the polygonal pin 10.
  • the second counter-contour 14a and the rotational counter-contour 15 can be seen here.
  • Fig. 11 shows a view of one of the coupling pin part 29 of the coupling pin 8 of the coupling device 7.
  • the door lock 6 can advantageously be opened in the coupling position of the coupling pin 8 by the two door handles 4a and 4b and in the decoupling position of the coupling pin 8 exclusively by the first door handle 4a.
  • the door locking system 1 according to the invention is designed to be compact and material-saving compared to conventional door locking systems.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Lock And Its Accessories (AREA)

Description

Die Erfindung betrifft ein Türschließsystem zum Öffnen und zum Schließen eines Türschlosses in einer Tür gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a door locking system for opening and closing a door lock in a door according to the preamble of claim 1.

Ein Türschließsystem umfasst üblicherweise eine erste Türgriffeinheit mit einem ersten Türgriff und eine zweite Türgriffeinheit mit einem zweiten Türgriff. Die Türgriffe sind dann beidseitig an der Tür angeordnet und über einen Vielkantstift miteinander drehfest verbunden. Dadurch können die Türgriffe gemeinsam an der Tür verschwenkt werden. Der Vielkantstift ist dann mit einem Türschloss wirksam verbunden, so dass beim Verschwenken eines der Türgriffe das geschlossene Türschloss geöffnet werden kann. Zusätzlich zum Türschließsystem kann auch ein Schließsystem an der Tür montiert sein. Das Schließsystem kann dabei unabhängig von dem Türschließsystem die Tür sperren oder freigeben. Eine Tür mit einem Türschließsystem und mit einem zusätzlichen Schließsystem ist beispielweise aus EP 2 182 144 A1 bekannt. Derartige zusätzliche Schließsysteme sind üblicherweise unterhalb des Türschließsystems verbaut und beanspruchen demnach einen zusätzlichen Bauraum.A door locking system typically includes a first door handle unit with a first door handle and a second door handle unit with a second door handle. The door handles are then arranged on both sides of the door and connected to one another in a rotationally fixed manner via a polygonal pin. This allows the door handles to be pivoted together on the door. The polygonal pin is then effectively connected to a door lock, so that the closed door lock can be opened when one of the door handles is pivoted. In addition to the door locking system, a locking system can also be mounted on the door. The locking system can lock or unlock the door independently of the door locking system. For example, a door with a door locking system and an additional locking system is out EP 2 182 144 A1 known. Such additional locking systems are usually installed below the door locking system and therefore take up additional space.

US 2 469 601 A offenbart ein Türschließsystem mit einem Vielkantstift aus zwei Stiftstücken und einem Koppelstift. Der Koppelstift ist in dem Vielkantstift verstellbar, so dass die Stiftstücke des Vielkantstifts miteinander drehfest oder drehbar verbunden sind. An die Stifstücke sind Türgriffe gekoppelt, so dass die Türgriffe gemeinsam oder nur einer der Türgriffe drehbar sind. US 2,469,601 A discloses a door locking system with a polygonal pin made of two pin pieces and a coupling pin. The coupling pin is adjustable in the polygonal pin, so that the pin pieces of the polygonal pin are connected to one another in a rotationally fixed or rotatable manner. Door handles are coupled to the pin pieces, so that the door handles can be rotated together or only one of the door handles can be rotated.

DE 36 44 281 A1 offenbart ein Türschließsystem mit einem Vielkantstift mit zwei Stiftstücken. Das innenseitige Stiftstück kann über einen Knopf verschoben werden und wechselwirkt dadurch mit dem außenseitigen Stiftstück. Türgriffe sind dabei mit den Stiftstücken gekoppelt, so dass die Türgriffe gemeinsam oder nur einer der Türgriffe drehbar sind. DE 36 44 281 A1 discloses a door locking system with a polygonal pin with two pin pieces. The inside pin piece can be moved using a button and thereby interacts with the outside pin piece. Door handles are coupled to the pin pieces so that the door handles can be rotated together or only one of the door handles can be rotated.

Die Aufgabe der Erfindung ist es daher, für ein Türschließsystem der gattungsgemäßen Art eine verbesserte oder zumindest alternative Ausführungsform anzugeben, bei der die beschriebenen Nachteile überwunden werden. Insbesondere soll das Türschließsystem kompakt ausgestaltet sein und ein Versperren des Türschlosses ermöglichen.The object of the invention is therefore to provide an improved or at least alternative embodiment for a door locking system of the generic type, in which the disadvantages described are overcome. In particular, the door locking system should be designed to be compact and enable the door lock to be locked.

Diese Aufgabe wird erfindungsgemäß durch den Gegenstand des unabhängigen Anspruchs 1 gelöst. Vorteilhafte Ausführungsformen sind Gegenstand der abhängigen Ansprüche.This object is achieved according to the invention by the subject matter of independent claim 1. Advantageous embodiments are the subject of the dependent claims.

Ein Türschließsystem ist zum Öffnen und zum Schließen eines Türschlosses in einer Tür vorgesehen. Das Türschließsystem umfasst eine erste Türgriffeinheit mit einem ersten Türgriff und eine zweite Türgriffeinheit mit einem zweiten Türgriff. Der erste Türgriff und der zweite Türgriff sind dabei um eine gemeinsame Drehachse schwenkbar. Das Türschließsystem umfasst zudem eine Koppelvorrichtung mit einem axial ausgerichteten Vielkantstift, der ein erstes Stiftstück und ein zweites Stiftstück aufweist. Das erste Stiftstück ist dabei mit dem ersten Türgriff und das zweite Stiftstück ist mit dem zweiten Türgriff drehfest verbunden. Erfindungsgemäß sind die Stiftstücke des Vielkantstifts voneinander getrennt und ausschließlich das erste Stiftstück des Vielkantstifts ist mit dem Türschloss koppelbar. In einem eingebauten Zustand des Türschließsystems, also bei dem in die Tür mit einem Türschloss eingebauten Türschließsystem, ist das erste Stiftstück des Vielkantstifts mit dem Türschloss zu dessen Öffnungsbetätigung gekoppelt. Die Koppelvorrichtung umfasst zudem einen axial ausgerichteten Koppelstift, der in dem Vielkantstift angeordnet und axial in eine Kopplungsposition und in eine Entkopplungsposition verstellbar ist. Die Stiftstücke des Vielkantstifts sind dabei in der Kopplungsposition des Koppelstifts drehfest miteinander verbunden und in der Entkopplungsposition des Koppelstifts relativ zueinander verdrehbar.A door locking system is intended for opening and closing a door lock in a door. The door locking system includes a first door handle unit with a first door handle and a second door handle unit with a second door handle. The first door handle and the second door handle can be pivoted about a common axis of rotation. The door locking system also includes a coupling device with an axially aligned polygonal pin, which has a first pin piece and a second pin piece. The first pin piece is connected to the first door handle and the second pin piece is non-rotatably connected to the second door handle. According to the invention, the pin pieces of the polygonal pin are separated from one another and only the first pin piece of the polygonal pin can be coupled to the door lock. In an installed state of the door locking system, i.e. in the door locking system installed in the door with a door lock, the first pin piece of the polygonal pin is coupled to the door lock for its opening actuation. The coupling device also includes an axially aligned coupling pin, which is arranged in the polygonal pin and is axially adjustable into a coupling position and into a decoupling position. The pin pieces of the polygonal pin are connected to one another in a rotationally fixed manner in the coupling position of the coupling pin and can be rotated relative to one another in the decoupling position of the coupling pin.

Ist der Koppelstift in der Kopplungsposition, so sind die Stiftstücke und dadurch auch die Türgriffe drehfest miteinander verbunden. Beim Verschwenken eines der beiden Türgriffe werden die beiden Stiftstücke des Vielkantstifts und der andere Türgriff um die gemeinsame Drehachse verschwenkt. Das Türschloss ist dabei mit dem ersten Stiftstück koppelbar und kann also beim Verschwenken eines der Türgriffe geöffnet werden. Ist der Koppelstift in der Entkopplungsposition, so sind die Stiftstücke und dadurch auch die Türgriffe relativ zueinander verdrehbar. Beim Verschwenken des zweiten Türgriffs wird ausschließlich das zweite Stiftstück verschwenkt, das erste Stiftstück und der erste Türgriff verschwenken sich dabei jedoch nicht. Da das Türschloss mit dem ersten Stiftstück koppelbar bzw. gekoppelt ist, kann beim Verschwenken des zweiten Türgriffs das Türschloss nicht geöffnet werden. Beim Verschwenken des ersten Türgriffs wird jedoch stets das erste Stiftstück des Vielkantstifts verschwenkt und dadurch das mit diesem koppelbare Türschloss geöffnet.If the coupling pin is in the coupling position, the pin pieces and therefore also the door handles are connected to one another in a rotationally fixed manner. When one of the two door handles is pivoted, the two pin pieces of the polygonal pin and the other door handle are pivoted about the common axis of rotation. The door lock can be coupled to the first pin piece and can therefore be opened when one of the door handles is pivoted. If the coupling pin is in the decoupling position, the pin pieces and therefore also the door handles can be rotated relative to one another. When pivoting the second door handle, only the second pin piece is pivoted; the first pin piece and the first door handle pivot however, this is not the case. Since the door lock can be coupled or coupled to the first pin piece, the door lock cannot be opened when the second door handle is pivoted. When pivoting the first door handle, however, the first pin piece of the polygonal pin is always pivoted and the door lock that can be coupled to it is thereby opened.

Mit dem erfindungsgemäßen Türschließsystem kann das Türschloss vorteilhafterweise in der Kopplungsposition des Koppelstifts durch die beiden Türgriffe und in der Entkopplungsposition des Koppelstifts ausschließlich durch den ersten Türgriff geöffnet werden. Diese vorteilhafte Wirkung wird durch den Koppelstift erreicht, der in dem Vielkantstift angeordnet ist und dadurch keinen zusätzlichen Bauraum benötigt. Das erfindungsgemäße Türschließsystem ist dadurch im Vergleich zu einem herkömmlichen Türschließsystem mit einem zusätzlichen Schließsystem kompakter aufgebaut. Zweckgemäß sind der erste Türgriff bzw. die erste Türgriffeinheit zur innenraumseitigen Montage und der zweite Türgriff bzw. die zweite Türgriffeinheit zur außenraumseitigen Montage vorgesehen.With the door locking system according to the invention, the door lock can advantageously be opened by the two door handles in the coupling position of the coupling pin and exclusively by the first door handle in the decoupling position of the coupling pin. This advantageous effect is achieved by the coupling pin, which is arranged in the polygonal pin and therefore does not require any additional installation space. The door locking system according to the invention is therefore constructed more compactly compared to a conventional door locking system with an additional locking system. Appropriately, the first door handle or the first door handle unit is intended for installation on the interior side and the second door handle or the second door handle unit is intended for installation on the exterior side.

Das erfindungsgemäße Türschließsystem kann zur Realisierung einer Privatfunktion eingesetzt werden. So kann eine Person, die in einem Raum - wie beispielweise in einem Waschraum oder in einer Toilette - Privatsphäre wünscht, die Entkopplungsposition einstellen. In der Entkopplungsposition kann dann die Tür zu diesem Raum mit dem außenraumseitigen zweiten Türgriff nicht geöffnet werden. Zusätzlich stellt das erfindungsgemäße Türschließsystem eine Notöffnungsfunktion bereit, da die eingeschlossene Person mit dem innenraumseitigen ersten Türgriff das Türschloss immer öffnen kann. Insbesondere kann dadurch die Gefahr reduziert werden, dass sich Kinder selbst einsperren.The door locking system according to the invention can be used to implement a private function. This allows a person who desires privacy in a room - such as a washroom or toilet - to adjust the decoupling position. In the decoupling position, the door to this room cannot be opened with the second door handle on the outside room side. In addition, the door locking system according to the invention provides an emergency opening function, since the trapped person can always open the door lock with the first door handle on the interior side. In particular, this can reduce the risk of children locking themselves up.

Bei einer vorteilhaften Weiterbildung des Türschließsystems ist vorgesehen, dass der Koppelstift aus dem ersten Türgriff axial nach außen herausragt und von außen manuell aus der Kopplungsposition in die Entkopplungsposition verstellbar ist. Dadurch kann der Koppelstift innenraumseitig in die Entkopplungsposition verstellt werden und dadurch die Stiftstücke drehbar miteinander verbunden bzw. voneinander entkoppelt werden. Ist der Koppelstift nun in die Entkopplungsposition verstellt, so kann das Türschloss durch den zweiten Türgriff bzw. außenraumseitig nicht mehr geöffnet werden. Der Koppelstift bleibt dabei in der Entkopplungsposition, bis er in die Kopplungsposition verstellt wird.In an advantageous development of the door locking system it is provided that the coupling pin protrudes axially outwards from the first door handle and from the outside can be manually adjusted from the coupling position to the decoupling position. As a result, the coupling pin can be adjusted to the decoupling position on the interior side and the pin pieces can thereby be rotatably connected to one another or decoupled from one another. If the coupling pin is now adjusted to the decoupling position, the door lock can no longer be opened by the second door handle or on the outside. The coupling pin remains in the decoupling position until it is moved into the coupling position.

Vorteilhafterweise kann die Koppelvorrichtung eine Rückstelleinheit umfassen. Die Rückstelleinheit kann dabei beim Verschwenken des ersten Türgriffs den Koppelstift aus der Entkopplungsposition in die Kopplungsposition verstellen. Ist also der Koppelstift in der Entkopplungsposition und wird der erste Türgriff verschwenkt, so geht der Koppelstift automatisch in die Kopplungsposition über. Dadurch kann das Verstellen des Koppelstifts aus der Entkopplungsposition in die Kopplungsposition vereinfacht werden. Ferner kann auch ein ungewolltes Versperren der Tür verhindert werden, da sobald eine Person beim Verlassen eines Raums den ersten innenraumseitigen Türgriff verschwenkt, geht der Koppelstift automatisch in die Kopplungsposition über und die Tür kann auch außenraumseitig geöffnet werden. Ist der Koppelstift in der Kopplungsposition und wird der erste Türgriff betätigt, so bleibt der Koppelstift weiterhin in der Kopplungsposition. Ein Verstellen des Koppelstifts aus der Kopplungsposition in die Entkopplungsposition kann - wie oben beschrieben - manuell erfolgen.Advantageously, the coupling device can comprise a reset unit. The reset unit can adjust the coupling pin from the decoupling position to the coupling position when pivoting the first door handle. So if the coupling pin is in the decoupling position and the first door handle is pivoted, the coupling pin automatically goes into the coupling position. This makes it easier to adjust the coupling pin from the decoupling position to the coupling position. Furthermore, accidental locking of the door can also be prevented, since as soon as a person pivots the first door handle on the interior side when leaving a room, the coupling pin automatically goes into the coupling position and the door can also be opened on the outside side. If the coupling pin is in the coupling position and the first door handle is operated, the coupling pin remains in the coupling position. Adjusting the coupling pin from the coupling position to the decoupling position can be done manually - as described above.

Bei einer Weiterbildung der Rückstelleinheit kann vorgesehen sein, dass die Rückstelleinheit eine Ausformung und eine Rampe umfasst. Dabei kann die Ausformung an dem Koppelstift ausgebildet oder angeordnet sein und von diesem radial abstehen. Die Rampe kann quer zur Drehachse an dem ersten Stiftstück des Vielkantstifts zu dem ersten Türgriff zugewandt ausgebildet sein. Die Ausformung liegt dann in der Entkopplungsposition des Koppelstifts an der Rampe an und gleitet beim Verschwenken des ersten Türgriffs an der Rampe axial ab. Da beim Verschwenken des ersten Türgriffs das erste Stiftstück verschwenkt wird, verdreht sich auch die Rampe um die Drehachse und verschiebt die Ausformung axial aus ihrer Stellung. Dadurch wird auch der Koppelstift aus der Entkopplungsposition in die Kopplungsposition axial verschoben.In a further development of the reset unit, it can be provided that the reset unit comprises a formation and a ramp. The formation can be formed or arranged on the coupling pin and protrude radially from it. The ramp can be designed transversely to the axis of rotation on the first pin piece of the polygonal pin facing the first door handle. The formation then lies in the decoupling position of the coupling pin on the ramp and slides axially when the first door handle is pivoted on the ramp. Since the first pin piece is pivoted when the first door handle is pivoted, the ramp also rotates about the axis of rotation and shifts the formation axially out of its position. As a result, the coupling pin is also axially displaced from the decoupling position into the coupling position.

Zusätzlich kann vorgesehen sein, dass die Rückstelleinheit eine Schraubenfeder umfasst. Die Schraubenfeder kann um den Koppelstift angeordnet sein und stützt sich dann axial einseitig an die Rampe und andersseitig an einen radial umlaufenden Anschlagrand des Koppelstifts ab. Die Schraubenfeder ist in der Entkopplungsposition des Koppelstifts axial eingespannt und unterstützt beim Verschwenken des ersten Türgriffs das axiale Verschieben des Koppelstifts aus der Entkopplungsposition in die Kopplungsposition.In addition, it can be provided that the restoring unit comprises a coil spring. The coil spring can be arranged around the coupling pin and is then supported axially on one side on the ramp and on the other side on a radially circumferential stop edge of the coupling pin. The coil spring is axially clamped in the decoupling position of the coupling pin and supports the axial displacement of the coupling pin from the decoupling position into the coupling position when the first door handle is pivoted.

Erfindungsgemäß ist vorgesehen, dass der Koppelstift einen Drehbereich und einen dazu axial benachbarten und rotationsunsymmetrischen Koppelbereich aufweist. Über den Drehbereich sind dann der Koppelstift und das erste Stiftstück drehbar miteinander verbindbar. Der Drehbereich des Koppelstifts kann beispielweise zylindrisch sein. Denkbar ist dabei, dass für den Drehbereich des Koppelstifts in dem ersten Stiftstück eine Drehgegenkontur gebildet ist. Der Drehbereich des Koppelstifts ist dann innerhalb der Drehgegenkontur des ersten Stiftstücks radial fest, axial verschiebbar und drehbar aufgenommen. In dem ersten Stiftstück ist zudem eine erste Gegenkontur und in dem zweiten Stiftstück ist eine zweite Gegenkontur für den Koppelbereich ausgebildet. Beim Eingreifen des Koppelbereichs in die jeweilige Gegenkontur können dann der Koppelstift und das jeweilige Stiftstück drehfest miteinander verbunden sein. Mit anderen Worten können die jeweilige Gegenkontur und der Koppelbereich eine drehfeste und formschlüssige Verbindung miteinander eingehen. Die Gegenkonturen in den beiden Stiftstücken können dabei zueinander identisch sein.According to the invention it is provided that the coupling pin has a rotation area and an axially adjacent and rotationally asymmetrical coupling area. The coupling pin and the first pin piece can then be rotatably connected to one another via the rotation range. The rotation range of the coupling pin can be cylindrical, for example. It is conceivable that a counter-rotation contour is formed in the first pin piece for the rotation range of the coupling pin. The rotation range of the coupling pin is then accommodated within the counter-rotation contour of the first pin piece in a radially fixed, axially displaceable and rotatable manner. A first counter-contour is also formed in the first pin piece and a second counter-contour for the coupling area is formed in the second pin piece. When the coupling area engages in the respective counter contour, the coupling pin and the respective pin piece can then be connected to one another in a rotationally fixed manner. In other words, the respective counter contour and the coupling area can have a rotationally fixed and positive connection with one another enter. The counter contours in the two pin pieces can be identical to one another.

Vorteilhafterweise kann in der Entkopplungsposition des Koppelstifts der Koppelbereich außerhalb der ersten Gegenkontur des ersten Stiftstücks angeordnet sein und dadurch können die Stiftstücke relativ zueinander verdrehbar sein. Der Drehbereich kann dabei in dem ersten Stiftstück angeordnet sein. In der Kopplungsposition des Koppelstifts kann dann der Koppelbereich bereichsweise in der ersten Gegenkontur des ersten Stiftstücks und bereichsweise in der zweiten Gegenkontur des zweiten Stiftstücks angeordnet sein und dadurch können die Stiftstücke miteinander drehfest verbunden sein. In der Kopplungsposition des Koppelstifts gehen die jeweiligen Gegenkonturen und der Koppelbereich des Koppelstifts eine drehfeste formschlüssige Verbindung ein, die ein gemeinsames Verschwenken der beiden Stiftstücke und auch der Türgriffe um die gemeinsame Drehachse ermöglicht. Der Drehbereich des Koppelstifts kann dabei vollständig in dem ersten Stiftstück angeordnet sein. Durch die Verbindung der ersten Gegenkontur des ersten Stiftsstücks mit dem Koppelbereich bleibt das erste Stiftstück mit dem zweiten Stiftstück dennoch drehfest verbunden.Advantageously, in the decoupling position of the coupling pin, the coupling region can be arranged outside the first counter contour of the first pin piece and the pin pieces can thereby be rotatable relative to one another. The rotation area can be arranged in the first pin piece. In the coupling position of the coupling pin, the coupling area can then be arranged in some areas in the first counter-contour of the first pin piece and in some areas in the second counter-contour of the second pin piece, and as a result the pin pieces can be connected to one another in a rotationally fixed manner. In the coupling position of the coupling pin, the respective counter contours and the coupling area of the coupling pin form a rotationally fixed, positive connection, which enables the two pin pieces and also the door handles to be pivoted together about the common axis of rotation. The rotation range of the coupling pin can be arranged completely in the first pin piece. By connecting the first counter contour of the first pin piece to the coupling area, the first pin piece remains connected to the second pin piece in a rotationally fixed manner.

Bei einer vorteilhaften Weiterbildung des Türschließsystems ist vorgesehen, dass die Koppelvorrichtung eine Rasteinheit aufweist, die den Koppelstift in der Kopplungsposition und in der Entkopplungsposition axial fixiert. Dadurch kann verhindert werden, dass der Koppelstift ungewollt aus der Entkopplungsposition in die Kopplungsposition übergeht und umgekehrt.In an advantageous development of the door locking system, it is provided that the coupling device has a latching unit which axially fixes the coupling pin in the coupling position and in the decoupling position. This can prevent the coupling pin from unintentionally moving from the decoupling position to the coupling position and vice versa.

Vorteilhafterweise kann die Rasteinheit eine radial federnde Kugel und zwei axial zueinander benachbarte und radial ausgerichtete Öffnungen umfassen. Dabei ist die Kugel in der Kopplungsposition in die eine Öffnung und in der Entkopplungsposition in die andere Öffnung eingerastet. Die Öffnungen sind dann in dem Koppelstift ausgebildet und die Kugel ist an dem zweiten Stiftstück des Vielkantstifts oder an dem zweiten Türgriff und das zweite Stiftstück des Vielkantstifts durchdringend radial federnd festgelegt. Alternativ ist auch denkbar, dass die Öffnungen in dem Koppelstift ausgebildet sind und die Kugel an dem ersten Stiftstück des Vielkantstifts oder an dem ersten Türgriff und das erste Stiftstück des Vielkantstifts durchdringend radial federnd festgelegt ist. Alternativ ist auch denkbar, dass die Öffnungen in dem ersten oder in dem zweiten Stiftstück ausgebildet sind und die Kugel an dem Koppelstift radial federnd festgelegt ist.Advantageously, the locking unit can comprise a radially resilient ball and two axially adjacent and radially aligned openings. The ball is snapped into one opening in the coupling position and into the other opening in the decoupling position. The openings are then in the coupling pin formed and the ball is fixed in a radially resilient manner penetrating the second pin piece of the polygonal pin or on the second door handle and the second pin piece of the polygonal pin. Alternatively, it is also conceivable that the openings are formed in the coupling pin and the ball is fixed in a radially resilient manner on the first pin piece of the polygonal pin or on the first door handle and the first pin piece of the polygonal pin. Alternatively, it is also conceivable that the openings are formed in the first or in the second pin piece and the ball is fixed in a radially resilient manner on the coupling pin.

Bei einer vorteilhaften Ausgestaltung des Türschließsystems ist vorgesehen, dass das Türschließsystem das Türschloss umfasst. Das Türschloss ist dann mit dem ersten Stiftstück des Vielkantstifts gekoppelt. Das Türschloss kann dann in der Entkopplungsposition des Koppelstifts ausschließlich durch das Verschwenken des ersten Türgriffs und in der Kopplungsposition des Koppelstifts durch das Verschwenken des ersten Türgriffs oder durch das Verschwenken des zweiten Türgriffs geöffnet werden.In an advantageous embodiment of the door locking system it is provided that the door locking system includes the door lock. The door lock is then coupled to the first pin piece of the polygonal pin. The door lock can then be opened in the decoupling position of the coupling pin exclusively by pivoting the first door handle and in the coupling position of the coupling pin by pivoting the first door handle or by pivoting the second door handle.

Weitere wichtige Merkmale und Vorteile der Erfindung ergeben sich aus den Unteransprüchen, aus den Zeichnungen und aus der zugehörigen Figurenbeschreibung anhand der Zeichnungen.Further important features and advantages of the invention emerge from the subclaims, from the drawings and from the associated description of the figures based on the drawings.

Es versteht sich, dass die vorstehend genannten und die nachstehend noch zu erläuternden Merkmale nicht nur in der jeweils angegebenen Kombination, sondern auch in anderen Kombinationen oder in Alleinstellung verwendbar sind, ohne den Rahmen der vorliegenden Erfindung zu verlassen.It is understood that the features mentioned above and those to be explained below can be used not only in the combination specified in each case, but also in other combinations or alone, without departing from the scope of the present invention.

Bevorzugte Ausführungsbeispiele der Erfindung sind in den Zeichnungen dargestellt und werden in der nachfolgenden Beschreibung näher erläutert, wobei sich gleiche Bezugszeichen auf gleiche oder ähnliche oder funktional gleiche Komponenten beziehen.Preferred exemplary embodiments of the invention are shown in the drawings and are explained in more detail in the following description The same reference numbers refer to the same or similar or functionally the same components.

Es zeigen, jeweils schematischShow it schematically

Fig. 1Fig. 1
eine Ansicht eines erfindungsgemäßen Türschließsystems mit einem Koppelstift in einer Kopplungsposition;a view of a door locking system according to the invention with a coupling pin in a coupling position;
Fig. 2Fig. 2
eine Ansicht des erfindungsgemäßen Türschließsystems mit dem Koppelstift in einer Entkopplungsposition;a view of the door locking system according to the invention with the coupling pin in a decoupling position;
Fig. 3 und 43 and 4
Schnittansichten des erfindungsgemäßen Türschließsystems mit dem Koppelstift in der Kopplungsposition;Sectional views of the door locking system according to the invention with the coupling pin in the coupling position;
Fig. 5 und 65 and 6
Schnittansichten des erfindungsgemäßen Türschließsystems mit dem Koppelstift in der Entkopplungsposition;Sectional views of the door locking system according to the invention with the coupling pin in the decoupling position;
Fig. 7Fig. 7
eine Explosionsansicht einer Koppelvorrichtung in dem erfindungsgemäßen Türschließsystem;an exploded view of a coupling device in the door locking system according to the invention;
Fig. 8 bis 10Fig. 8 to 10
Ansichten von Stiftstücken eines Vielkantstifts der Koppelvorrichtung des erfindungsgemäßen Türschließsystems;Views of pin pieces of a polygonal pin of the coupling device of the door locking system according to the invention;
Fig. 11Fig. 11
eine Ansicht eines Teils eines Koppelstifts der Koppelvorrichtung des erfindungsgemäßen Türschließsystems.a view of part of a coupling pin of the coupling device of the door locking system according to the invention.

Fig. 1 und Fig. 2 zeigen Ansichten eines erfindungsgemäßen Türschließsystems 1. Das Türschließsystem 1 ist an einer Tür 2 montiert und umfasst eine erste Türgriffeinheit 3a und eine zweite Türgriffeinheit 3b. Die erste Türgriffeinheit 3a umfasst einen ersten Türgriff 4a und eine erste Abdeckeinheit 5a, die den Türgriff 4a um eine Drehachse DA schwenkbar an der Tür 2 festlegt. Die zweite Türgriffeinheit 3b umfasst einen zweiten Türgriff 4b und eine zweite Abdeckeinheit 5b - gezeigt in Fig. 3-6, - die den Türgriff 4b um die Drehachse DA schwenkbar an der Tür 2 festlegt. Das Türschließsystem 1 umfasst ferner ein Türschloss 6, der durch das Verschwenken der Türgriffe 4a und 4b um die Drehachse DA geöffnet werden kann. Die Türgriffeinheiten 3a und 3b sind über eine Koppelvorrichtung 7 mit einem Koppelstift 8 miteinander gekoppelt. In Fig. 1 ist der Koppelstift 8 in eine Entkopplungsposition und in Fig. 2 in eine Kopplungsposition axial zur Drehachse DA verstellt. Den Aufbau und die Wirkungsweise des erfindungsgemäßen Türschließsystems 1 werden im Folgenden anhand Fig. 3-11 näher erläutert. Unterhalb des Türschließsystems 1 ist zudem ein Schlosssystem 9 angeordnet, das unabhängig von dem erfindungsgemäßen Türschließsystem 1 betätigbar ist und kein Teil der Erfindung ist. Fig. 1 and Fig. 2 show views of a door locking system 1 according to the invention. The door locking system 1 is mounted on a door 2 and includes a first door handle unit 3a and a second door handle unit 3b. The first door handle unit 3a comprises a first door handle 4a and a first cover unit 5a, which fixes the door handle 4a on the door 2 so that it can pivot about an axis of rotation DA. The second door handle unit 3b includes a second door handle 4b and a second cover unit 5b - shown in Fig. 3-6 , - which fixes the door handle 4b on the door 2 so that it can pivot about the axis of rotation DA. The door locking system 1 further comprises a door lock 6, which can be opened by pivoting the door handles 4a and 4b about the axis of rotation DA. The door handle units 3a and 3b are coupled to one another via a coupling device 7 with a coupling pin 8. In Fig. 1 the coupling pin 8 is in a decoupling position and in Fig. 2 adjusted into a coupling position axially to the axis of rotation DA. The structure and mode of operation of the door locking system 1 according to the invention are explained below Fig. 3-11 explained in more detail. Below the door locking system 1 there is also a lock system 9 arranged, which can be operated independently of the door locking system 1 according to the invention and is not part of the invention.

Fig. 3 bis Fig. 6 zeigen Schnittansichten des Türschließsystems 1. Wie hier erkennbar, verbindet die Koppelvorrichtung 7 die beiden Türgriffe 4a und 4b axial miteinander. Dazu weist die Koppelvorrichtung 7 einen axial ausgerichteten Vielkantstift 10 auf, der ein erstes Stiftstück 11a und ein zweites Stiftstück 11b aufweist. Das erste Stiftstück 11a ist mit dem ersten Türgriff 4a und das zweite Stiftstück 11b ist mit dem zweiten Türgriff 4b jeweils formschlüssig drehfest und axial verbunden. Ein Verschwenken des jeweiligen Türgriffs 4a bzw. 4b bewirkt dabei ein Verschwenken des jeweiligen Stiftstücks 11a bzw. 11b. Die beiden Stiftstücke 11a und 11b sind voneinander getrennt bzw. sind voneinander unabhängige Bauteile und sind über den Koppelstift 8 miteinander verbunden. Das Türschloss 6 ist dabei mit dem ersten Stiftstück 11a gekoppelt, so dass das Türschloss 6 nur beim Verschwenken des ersten Stiftstücks 11a geöffnet werden kann. Fig. 3 to Fig. 6 show sectional views of the door locking system 1. As can be seen here, the coupling device 7 connects the two door handles 4a and 4b axially with one another. For this purpose, the coupling device 7 has an axially aligned polygonal pin 10, which has a first pin piece 11a and a second pin piece 11b. The first pin piece 11a is connected to the first door handle 4a and the second pin piece 11b is connected to the second door handle 4b in a form-fitting, rotationally fixed and axial manner. Pivoting the respective door handle 4a or 4b causes the respective pin piece 11a or 11b to pivot. The two pin pieces 11a and 11b are separated from each other or are independent components and are connected to one another via the coupling pin 8. The door lock 6 is coupled to the first pin piece 11a, so that the door lock 6 can only be opened when the first pin piece 11a is pivoted.

In Fig. 3 und Fig. 4 ist der Koppelstift 8 in die Kopplungsposition verstellt. In der Kopplungsposition sind die beiden Stiftstücke 11a und 11b des Vielkantstifts 10 drehfest miteinander verbunden und die beiden Türgriffe 4a und 4b können gemeinsam um die Drehachse DA verschwenkt werden. Das Türschloss 6 kann durch das Verschwenken des ersten Türgriffs 4a oder durch das Verschwenken des zweiten Türgriffs 4b geöffnet werden. Mit anderen Worten wirkt das Türschließsystem 1 in der Kopplungsposition des Koppelstifts 8 wie ein herkömmliches Türschließsystem mit einem einteiligen Vielkantstift.In Fig. 3 and Fig. 4 the coupling pin 8 is adjusted to the coupling position. In the coupling position, the two pin pieces 11a and 11b of the polygonal pin 10 are connected to one another in a rotationally fixed manner and the two door handles 4a and 4b can be pivoted together about the axis of rotation DA. The door lock 6 can be opened by pivoting the first door handle 4a or by pivoting the second door handle 4b. In other words, in the coupling position of the coupling pin 8, the door locking system 1 acts like a conventional door locking system with a one-piece polygonal pin.

In Fig. 5 und Fig. 6 ist der Koppelstift 8 in die Entkopplungsposition verstellt, wozu der Koppelstift axial zu dem zweiten Türgriff 4b hin verschoben ist. In der Entkopplungsposition sind die beiden Stiftstücke 11a und 11b des Vielkantstifts 10 relativ zueinander verdrehbar. In der Entkopplungsposition des Koppelstifts 8 kann zwar der zweite Türgriff 4b und dadurch das zweite Stiftstück 11b um die Drehachse DA verschwenkt werden, das erste Stiftstück 11a und der erste Türgriff 4a werden jedoch nicht verschwenkt. Dadurch kann in der Entkopplungsposition des Koppelstifts 8 das Türschloss 6 beim Verschwenken des zweiten Türgriffs 4b nicht geöffnet werden. Wird jedoch das erste Türgriff 4a verschwenkt, so wird auch das erste Stiftsstück 11a verschwenkt und dadurch das Türschloss 6 geöffnet.In Fig. 5 and Fig. 6 the coupling pin 8 is moved into the decoupling position, for which purpose the coupling pin is moved axially towards the second door handle 4b. In the decoupling position, the two pin pieces 11a and 11b of the polygonal pin 10 can be rotated relative to one another. In the decoupling position of the coupling pin 8, the second door handle 4b and thereby the second pin piece 11b can be pivoted about the axis of rotation DA, but the first pin piece 11a and the first door handle 4a are not pivoted. As a result, in the decoupling position of the coupling pin 8, the door lock 6 cannot be opened when the second door handle 4b is pivoted. However, if the first door handle 4a is pivoted, the first pin piece 11a is also pivoted and the door lock 6 is thereby opened.

Wie in Fig. 4 und Fig. 6 gezeigt, weist der Koppelstift 8 einen Drehbereich 12 und einen nicht rotationssymmetrischen Koppelbereich 13 auf und ist in dem Vielkantstift 10 angeordnet. In dem ersten Stiftstück 11a ist dabei eine erste Gegenkontur 14a und in dem zweiten Stiftstück 11b ist eine zweite Gegenkontur 14b für den Koppelbereich ausgebildet. Die Gegenkonturen 14a und 14b sind zueinander identisch und können den Koppelbereich 13 des Koppelstifts 8 formschlüssig aufnehmen. In dem ersten Stiftstück 11a ist zudem eine Drehgegenkontur 15 ausgebildet, in der der Drehbereich 12 des Koppelstifts 8 radial fest, axial verschiebbar und drehbar aufgenommen ist.As in Fig. 4 and Fig. 6 shown, the coupling pin 8 has a rotation area 12 and a non-rotationally symmetrical coupling area 13 and is arranged in the polygonal pin 10. A first counter contour 14a is formed in the first pin piece 11a and a second counter contour 14b is formed in the second pin piece 11b for the coupling area. The counter contours 14a and 14b are identical to one another and can accommodate the coupling area 13 of the coupling pin 8 in a form-fitting manner. There is also a counter-rotation contour 15 in the first pin piece 11a formed, in which the rotation area 12 of the coupling pin 8 is accommodated in a radially fixed, axially displaceable and rotatable manner.

In Fig. 4 ist der Koppelstift 8 in der Kopplungsposition gezeigt. Hier ist der Koppelstift 8 axial zu dem ersten Türgriff 4a hin verschoben, so dass der Koppelbereich 13 in der ersten Gegenkontur 14a und in der zweiten Gegenkontur 14b aufgenommen ist. Durch den Formschluss zwischen dem Koppelbereich 13 und den Gegenkonturen 14a und 14b sind die Stiftstücke 11a und 11b drehfest miteinander verbunden. In Fig. 6 ist der Koppelstift in der Entkopplungsposition und axial zu dem zweiten Türgriff 4b hin verschoben. Der Koppelbereich 13 des Koppelstifts 8 steht nur mit der zweiten Gegenkontur 14b formschlüssig im Eingriff. Der Drehbereich 12 des Koppelstifts 8 ist dabei bereichsweise in der Gegenkontur 14a angeordnet und kann das Verdrehen des Koppelstifts 8 in dem ersten Stiftstück 11a nicht verhindern. Die beiden Stiftstücke 11a und 11b sind relativ zueinander verdrehbar. Der Koppelstift 8 ist in der Kopplungsposition und in der Entkopplungsposition an dem zweiten Stiftstück 11b mittels einer Rasteinheit 16 axial festgelegt. Den Aufbau und die Wirkungsweise der Rasteinheit 16 werden im Folgenden anhand Fig. 7 näher erläutert. Die Rasteinheit verhindert, dass der Koppelstift 8 ungewollt aus der Entkopplungsposition in die Kopplungsposition und umgekehrt übergeht.In Fig. 4 the coupling pin 8 is shown in the coupling position. Here the coupling pin 8 is shifted axially towards the first door handle 4a, so that the coupling area 13 is accommodated in the first counter-contour 14a and in the second counter-contour 14b. Due to the positive connection between the coupling area 13 and the counter contours 14a and 14b, the pin pieces 11a and 11b are connected to one another in a rotationally fixed manner. In Fig. 6 the coupling pin is in the decoupling position and displaced axially towards the second door handle 4b. The coupling area 13 of the coupling pin 8 is only in positive engagement with the second counter contour 14b. The rotation area 12 of the coupling pin 8 is arranged in areas in the counter contour 14a and cannot prevent the coupling pin 8 from rotating in the first pin piece 11a. The two pin pieces 11a and 11b can be rotated relative to one another. The coupling pin 8 is axially fixed in the coupling position and in the decoupling position on the second pin piece 11b by means of a latching unit 16. The structure and mode of operation of the locking unit 16 are explained below Fig. 7 explained in more detail. The locking unit prevents the coupling pin 8 from unintentionally moving from the decoupling position to the coupling position and vice versa.

Der Koppelstift 8 kann aus der Kopplungsposition in die Entkopplungsposition manuell verstellt werden. Dazu ragt der Koppelstift 8 in der Kopplungsposition aus dem ersten Türgriff 4a axial heraus und kann zu dem zweiten Türgriff 4b hin in die Entkopplungsposition verstellt werden. Zum Verstellen des Koppelstifts 8 aus der Entkopplungsposition in die Kopplungsposition ist eine Rückstelleinheit 17 vorgesehen. Die Rückstelleinheit 17 umfasst eine radial ausgerichtete Ausformung 18 an dem Koppelstift 8 und eine quer zur Drehachse DA ausgebildete Rampe 19 an dem ersten Stiftstück 11a. Ist das Koppelstift 8 in der Entkopplungsposition und wird das erste Türgriff 4a verschwenkt, so verschwenkt sich auch das erste Stiftstück 11a. Die Rampe 19 wird um die Drehachse DA verdreht und verschiebt die Ausformung 18 und dadurch den Koppelstift 8 zu dem ersten Türgriff 4a hin. Eine Schraubenfeder 20 der Rückstelleinheit 17 unterstützt dabei die axiale Bewegung des Koppelstifts 8. In der Entkopplungsposition ist die Schraubenfeder 20 zwischen der Rampe 19 und einem umlaufenden Anschlagrand 21 des Koppelstifts 8 eingespannt und die Ausformung 18 liegt an der Rampe 19 an, wie in Fig. 6 erkennbar ist. In der Kopplungsposition ist die Schraubenfeder 20 entspannt und die Ausformung 18 ist von der Rampe 19 entfernt, wie in Fig. 4 erkennbar ist.The coupling pin 8 can be manually adjusted from the coupling position to the decoupling position. For this purpose, the coupling pin 8 protrudes axially from the first door handle 4a in the coupling position and can be adjusted into the decoupling position towards the second door handle 4b. A reset unit 17 is provided to adjust the coupling pin 8 from the decoupling position to the coupling position. The reset unit 17 comprises a radially aligned formation 18 on the coupling pin 8 and a ramp 19 formed transversely to the axis of rotation DA on the first pin piece 11a. Is the coupling pin 8 in the decoupling position and if the first door handle 4a is pivoted, the first pin piece 11a is also pivoted. The ramp 19 is rotated about the axis of rotation DA and moves the formation 18 and thereby the coupling pin 8 towards the first door handle 4a. A coil spring 20 of the reset unit 17 supports the axial movement of the coupling pin 8. In the decoupling position, the coil spring 20 is clamped between the ramp 19 and a circumferential stop edge 21 of the coupling pin 8 and the formation 18 rests on the ramp 19, as in Fig. 6 is recognizable. In the coupling position, the coil spring 20 is relaxed and the formation 18 is away from the ramp 19, as shown in Fig. 4 is recognizable.

Fig. 7 zeigt eine Explosionsansicht der Koppelvorrichtung 7. Wie oben bereits beschrieben, wird der Koppelstift 8 in der Entkopplungsposition und in der Kopplungsposition mittels der Rasteinheit 16 gehalten. Die Rasteinheit 16 umfasst dabei eine radial federnde Kugel 22 und zwei axial zueinander benachbarte und radial ausgerichtete Öffnungen 23 und 24. Die Kugel 22 rastet dabei in der Kopplungsposition in die Öffnung 23 und in der Entkopplungsposition in die Öffnung 24 ein, wie in Fig. 4 und Fig. 6 erkennbar ist. Die Öffnungen 23 und 24 sind in dem Koppelstift 8 ausgebildet und die Kugel 22 ist in diesem Ausführungsbeispiel an dem zweiten Stiftstück 11b des Vielkantstifts 10 mittels einer Feder 27 und einer Schraube 28 radial federnd befestigt. Der Koppelstift 8 ist mehrteilig und umfasst einen axialen Anschlag 25, ein Koppelstiftteil 29, eine Anschlagmutter 30 und eine Betätigungsschraube 31. Der axiale Anschlag 25 ist dem zweiten Stiftstück 11b zugewandt mittels einer Schraube und einer Mutter gebildet und ist an dem Koppelstiftteil 29 festgelegt. Dem ersten Stiftstück 11a zugewandt ist an dem Koppelstiftteil 29 die Anschlagmutter 30 aufgeschraubt, die den Anschlagrand 21 für die Schraubenfeder 20 der Rückstelleinheit 17 bildet. Von dem Koppelstiftteil 29 abgewandt ist zudem die Betätigungsschraube 31 mit der Anschlagmutter 21 verschraubt. Die Betätigungsschraube 31 ragt bereichsweise aus dem ersten Türgriff 4a heraus. Fig. 7 shows an exploded view of the coupling device 7. As already described above, the coupling pin 8 is held in the decoupling position and in the coupling position by means of the latching unit 16. The locking unit 16 includes a radially resilient ball 22 and two axially adjacent and radially aligned openings 23 and 24. The ball 22 locks into the opening 23 in the coupling position and into the opening 24 in the decoupling position, as in Fig. 4 and Fig. 6 is recognizable. The openings 23 and 24 are formed in the coupling pin 8 and the ball 22 is fastened in a radially resilient manner in this exemplary embodiment to the second pin piece 11b of the polygonal pin 10 by means of a spring 27 and a screw 28. The coupling pin 8 is multi-part and includes an axial stop 25, a coupling pin part 29, a stop nut 30 and an actuating screw 31. The axial stop 25 is formed facing the second pin piece 11b by means of a screw and a nut and is fixed to the coupling pin part 29. Facing the first pin piece 11a, the stop nut 30 is screwed onto the coupling pin part 29, which forms the stop edge 21 for the coil spring 20 of the reset unit 17. The actuating screw 31 with the stop nut 21 is also facing away from the coupling pin part 29 screwed. The actuating screw 31 protrudes partially from the first door handle 4a.

Fig. 8 zeigt eine Ansicht des zweiten Stiftstücks 11b des Vielkantstifts 10. Hier ist eine Kugelöffnung 26 zu sehen, die zum Befestigen der Rasteinheit 16 an dem zweiten Stiftstück 11b vorgesehen ist. Fig. 9 und Fig. 10 zeigen Ansichten des ersten Stiftstücks 11a des Vielkantstifts 10. Insbesondere sind hier die zweite Gegenkontur 14a und die Drehgegenkontur 15 erkennbar. Fig. 11 zeigt eine Ansicht eines des Koppelstiftsteils 29 des Koppelstiftes 8 der Koppelvorrichtung 7. Fig. 8 shows a view of the second pin piece 11b of the polygonal pin 10. Here you can see a ball opening 26, which is provided for attaching the locking unit 16 to the second pin piece 11b. Fig. 9 and Fig. 10 show views of the first pin piece 11a of the polygonal pin 10. In particular, the second counter-contour 14a and the rotational counter-contour 15 can be seen here. Fig. 11 shows a view of one of the coupling pin part 29 of the coupling pin 8 of the coupling device 7.

Mit dem erfindungsgemäßen Türschließsystem 1 kann das Türschloss 6 vorteilhafterweise in der Kopplungsposition des Koppelstifts 8 durch die beiden Türgriffe 4a und 4b und in der Entkopplungsposition des Koppelstifts 8 ausschließlich durch den ersten Türgriff 4a geöffnet werden. Das erfindungsgemäße Türschließsystem 1 ist im Vergleich zu herkömmlichen Türschließsystemen kompakt und materialsparend aufgebaut.With the door locking system 1 according to the invention, the door lock 6 can advantageously be opened in the coupling position of the coupling pin 8 by the two door handles 4a and 4b and in the decoupling position of the coupling pin 8 exclusively by the first door handle 4a. The door locking system 1 according to the invention is designed to be compact and material-saving compared to conventional door locking systems.

Claims (9)

  1. Door closing system (1) for opening and closing a door lock (6) in a door (2),
    - wherein the door closing system (1) comprises a first door handle unit (3a) with a first door handle (4a) and a second door handle unit (3b) with a second door handle (4b),
    - wherein the first door handle (4a) and the second door handle (4b) are pivotable about a common pivot axis (DA),
    - wherein the door closing system (1) comprises a coupling device (7) with an axially aligned polygonal pin (10), which has a first pin piece (11a) and a second pin piece (11b),
    - wherein the first pin piece (11a) is connected to the first door handle (4a) in a non-rotatable manner and the second pin piece (11b) is connected to the second door handle (4b) in a non-rotatable manner,
    - wherein the pin pieces (11a, 11b) of the polygonal pin (10) are separated from one another and only the first pin piece (11a) of the polygonal pin (10) can be coupled to the door lock (6),
    - wherein the coupling device (7) comprises an axially aligned coupling pin (8) which is arranged in the polygonal pin (10) and can be shifted axially into a coupling position and into a decoupling position, and
    - wherein the pin pieces (11a, 11b) of the polygonal pin (10) are connected to one another in a non-rotatable manner in the coupling position of the coupling pin (8) and can be pivoted relative to one another in the decoupling position of the coupling pin (8),
    - wherein the coupling pin (8) has a rotational area (12) and a rotationally asymmetrical coupling area (13) axially adjacent thereto, and
    - wherein for the coupling area (13), a first mating contour (14a) is formed in the first pin piece (11a) and
    a second mating contour (14b) is formed in the second pin piece (11b), so that when the coupling area (13) engages with the respective mating contour (14a, 14b) the coupling pin (8) and the respective pin piece (11a, 11b) can be connected to one another in a non-rotatable manner,
    characterised in that
    - the coupling pin (8) and the first pin piece (11a) can be pivotably connected to one another over the rotatational area (12), and
    - in the coupling position the coupling pin (8) is displaced axially towards the first door handle (4a), so that the coupling area (13) is received in the first mating contour (14a) and in the second mating contour (14b), and
    - in the decoupling position the coupling pin (8) is displaced axially towards the second door handle (4b), so that the coupling area (13) is only in positive engagement with the second mating contour (14b) and the rotational area (12) of the coupling pin (8) is arranged in certain sections in the mating contour (14a).
  2. Door locking system according to claim 1,
    characterised in that
    the coupling pin (8) projects axially outwardly from the first door handle (4a) and can be shifted manually from the outside from the coupling position into the decoupling position.
  3. Door locking system according to claim 1 or 2,
    characterised in that
    the coupling device (7) comprises a resetting unit (17) which, when pivoting the first door handle (4a), shifts the coupling pin (8) from the decoupling position into the coupling position.
  4. Door locking system according to claim 3,
    characterised in that
    - that the resetting unit (17) comprises a shaping (18) and a ramp (19), wherein the shaping (18) is arranged on the coupling pin (8) and projects radially therefrom, and the ramp (19) is formed transversely with respect to the pivot axis (DA) on the first pin piece (11a) of the polygonal pin (10) and faces the first door handle (4a), and
    - in the decoupling position of the coupling pin (8), the shaping (18) rests against the ramp (19) and slides axially along the ramp (19) when the first door handle (4a) is pivoted, and thereby the coupling pin (8) is shifted from the decoupling position into the coupling position.
  5. Door locking system according to claim 4,
    characterised in that
    - the resetting unit (17) comprises a coil spring (20) which is arranged around the coupling pin (8) and is axially supported on one side on the ramp (19) and is supported on the other side on a radially circumferentially extending stop edge (21) of the coupling pin (8), and
    - the coil spring (20) is axially clamped in the decoupling position of the coupling pin and supports the axial displacement of the coupling pin (8) from the decoupling position to the coupling position when the first door handle (4a) is pivoted.
  6. Door locking system according to claim 5,
    characterised in that
    - in the decoupling position of the coupling pin (8), the coupling area (13) is arranged outside the first mating contour (14a) of the first pin piece (11a) and as a result, the pin pieces (11a, 11b) can be pivoted relative to one another, and
    - in the coupling position of the coupling pin (8), the coupling area (13) is arranged in certain sections in the first mating contour (14a) of the first pin piece (11a) and in certain sections in the second mating contour (14b) of the second pin piece (11b) and as a result, the pin pieces (11a, 11b) are connected to one another in a pivotably fixed manner.
  7. Door locking system according to any one of claims 1 to 6,
    characterised in that
    the coupling device (7) has a latching unit (16) which axially fixes the coupling pin (8) in the coupling position and in the decoupling position.
  8. Door locking system according to claim 7,
    characterised in that
    - the latching unit (16) comprises a radially resilient ball (22) and two openings (23, 24) which are axially adjacent to one another and radially aligned, wherein the ball (22) is latched into one opening (23) in the coupling position and into the other opening (24) in the decoupling position, and
    - the openings (23, 24) are formed in the coupling pin (8) and the ball (22) is fixed to the second pin piece (11b) of the polygonal pin (10) or to the second door handle (4b) in a radially resilient manner and penetrates the second pin piece (11b) of the polygonal pin (10).
  9. Door locking system according to any one of claims 1 to 8,
    characterised in that
    - the door closing system (1) comprises the door lock (6) which is coupled to the first pin piece (11a) of the polygonal pin (10), and
    - the door lock (6) can be opened in the decoupling position of the coupling pin (8) exclusively by pivoting the first door handle (4a) and can be opened in the coupling position of the coupling pin (8) by pivoting the first door handle (4a) or by pivoting the second door handle (4b).
EP21151279.3A 2020-01-30 2021-01-13 Door closing system Active EP3859102B1 (en)

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DE102021208228A1 (en) 2021-07-29 2023-02-02 Karcher Gmbh door locking system
DE202022103552U1 (en) 2022-06-27 2022-07-19 C & F Köhn Design GmbH & Co.KG door locking system
EP4438836A1 (en) * 2023-03-27 2024-10-02 Hermat-Metallwaren B. Porst GmbH Locking system and door or window comprising such a locking system
DE202023102812U1 (en) 2023-05-22 2023-06-26 C & F Köhn Design GmbH & Co.KG door locking system

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PL3859102T3 (en) 2024-03-04
EP3859102A1 (en) 2021-08-04

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