EP3162991B1 - Locking device for a closure, lockable closure system - Google Patents

Locking device for a closure, lockable closure system Download PDF

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Publication number
EP3162991B1
EP3162991B1 EP16195701.4A EP16195701A EP3162991B1 EP 3162991 B1 EP3162991 B1 EP 3162991B1 EP 16195701 A EP16195701 A EP 16195701A EP 3162991 B1 EP3162991 B1 EP 3162991B1
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EP
European Patent Office
Prior art keywords
locking device
locking
latch
latching
cover
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
EP16195701.4A
Other languages
German (de)
French (fr)
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EP3162991A1 (en
Inventor
David Sobotka
Jan Straka
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.)
ACO Ahlmann SE and Co KG
Original Assignee
ACO Severin Ahlmann GmbH and Co KG
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.)
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Publication of EP3162991A1 publication Critical patent/EP3162991A1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C5/00—Fastening devices with bolts moving otherwise than only rectilinearly and only pivotally or rotatively
    • E05C5/02—Fastening devices with bolts moving otherwise than only rectilinearly and only pivotally or rotatively both moving axially and turning about their axis to secure the wing
    • 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
    • E05B63/18—Locks or fastenings with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/14—Closures or guards for keyholes
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B41/00—Locks with visible indication as to whether the lock is locked or unlocked

Definitions

  • the invention relates to a locking device for a cover and a lockable cover system according to the preamble of claim 1 and claim 10, respectively.
  • Cover systems in particular for vertical shafts, are sufficiently known in the prior art.
  • cover systems of this type are often provided with a locking device which enables the cover to be locked from the outside.
  • the invention is therefore based on the object of specifying a locking device or a cover system that is simple and secure.
  • a locking device for a cover with an inside and an outside comprising a bolt that can be moved between an open and a locking position, as well as a movable locking device, the bolt being opened by keyless movement of the locking device - Can be moved into the locking position.
  • an essential point of the invention is that the locking device according to the invention enables particularly simple locking of the cover, since no key or tool is required for this, but only the locking device has to be moved. This leads to a significant simplification in the installation and handling of covers that are to be protected against unauthorized opening.
  • the bolt can be moved from the locking device to the open position both by unlocking the locking device from the outside and by manually, directly or indirectly actuating the bolt from the inside. It is thus possible to unlock the cover from the inside without using a key by manually operating the bolt. This therefore enables the cover to be opened in an emergency from the inside in the event that a worker is still in the area to be covered after the cover has been locked. This increases security. For unlocking from the outside, however, a key is also required, so that the protection against unauthorized opening of the cover is continued.
  • the bolt is in engagement with a spring element in such a way that the bolt can be pretensioned in the direction of the locking position. This ensures that the bolt is reliably moved from the open to the locking position by moving the locking device.
  • the bolt preferably has a latching lug which, in the open position, can be brought into engagement with a latching groove in such a way that the bolt can be locked in the open position. This can prevent the locking device from being inadvertently locked without moving the locking device.
  • the locking lug can be released from engagement with the locking groove by moving the locking device.
  • the locking of the locking device can thus be carried out particularly easily and reliably.
  • the locking device comprises a locking nose which is designed and arranged in such a way that the locking nose is in engagement with the bolt, in particular the latching nose of the bolt, in the locking position, and that the bolt when the locking device is unlocked from the lock - Can be moved into the open position.
  • a first pretensioning element is arranged and designed in such a way that a restoring force can be exerted on the movable locking device, and / or that a second pretensioning element is arranged and designed such that a restoring force can be exerted on the bolt, through which the locking lug of the bolt can be brought into engagement with the locking groove in the open position.
  • the first prestressing element and the second prestressing element are formed by a single spring which is arranged in such a way that a restoring force can be exerted on the bolt and the locking device.
  • the omission of a prestressing element also simplifies the construction of the locking device and reduces the manufacturing costs.
  • the pretensioning elements and the spring element are formed by a (single) torsion / compression spring, which exerts a restoring force on the bolt and the locking device and in this way with it the bolt is engaged so that the bolt can be biased in the direction of the locking position.
  • all restoring torques are applied by a single element.
  • the locking device is formed by a lock cylinder, in particular a standardized lock cylinder.
  • a lock cylinder in particular a standardized lock cylinder.
  • This can be, for example, a standard cylinder insert with the so-called Euro profile (CSN 16 5130, DIN EN 1303). This simplifies the production of the locking device according to the invention, since commercially available components can be used.
  • a lockable cover system which comprises a cover with a locking device according to the preamble of claim 1.
  • the cover can be locked directly during installation without additional tools, with manual unlocking from the inside or shaft side also being possible without tools.
  • the cover system can thus be used to create a simple lock with the option of emergency unlocking from the inside.
  • the closing device is arranged in a recess in the cover which can be closed with a cover element. In this way, the locking device can be protected from contamination, which leads to an increase in service life.
  • the cover element comprises a seal with which the recess can be sealed in a watertight manner when it is closed with the cover element.
  • the locking device can thus be protected from corrosion by entering water and the reliability of the locking device can be improved even further.
  • FIG. 1 shows a locking device 1 according to an embodiment of the invention.
  • the locking device 1 has a housing which is essentially formed by a front plate 13 and a double-walled rear wall 14, which are connected to one another by side walls 15.
  • a locking device which in the present exemplary embodiment is formed by a locking cylinder 20, is arranged inside the housing.
  • the lock cylinder 20 is held in the housing of the lock device with a forend screw 22.
  • a bolt 30 is arranged, which is in Fig. 1 is in the open position.
  • the bolt is firmly connected to a pin 41, which is rotatably mounted in the housing, so that the bolt 30 is mounted pivotably about the axis of the pin 41.
  • Fig. 2 shows a front view of the locking device 1, that is to say a plan view of the front plate 13.
  • the lock cylinder 20 is therefore accessible from the outside, so that the lock cylinder 20 can be unlocked from the outside.
  • the lock cylinder is a profile half cylinder in accordance with DIN 18252 / EN1303, which enables simple replacement if necessary.
  • Fig. 3 shows a view of the locking device 1 from above.
  • the lock cylinder 20 and the pin 41, with which the bolt 30 is rotatably mounted, are arranged in alignment with respect to their longitudinal axes in the housing of the lock device 1.
  • a spring 42 is arranged between the rear walls 14 on the circumference of the pin 41.
  • the spring 42 exerts a restoring force on the pin 41 and on the coaxially arranged lock cylinder 20 in the direction of the outside of the lock device 1.
  • the spring 41 is a torsion spring and is clamped between the bolt 30 and the rear rear wall. It biases the bolt 30 in the direction of a locking position.
  • a movement of the bolt 30 in the direction of the locking position corresponds to a movement in the image plane.
  • Fig. 4 a side view of the locking device 1 is shown in the open position.
  • the lock cylinder 20 is held by means of the forend screw 22.
  • the forend screw 22 is guided in the slots 11, with which the lock cylinder 20 is movably mounted along its axis. Due to the restoring force of the spring 42, the lock cylinder 20 is pressed in the direction of the outside via the pin 41, so that it protrudes over the front plate 13.
  • the locking cylinder 20 protruding from the front plate 13 is pressed into the housing.
  • Fig. 5 the locking device 1 is shown in a state immediately after the lock cylinder 20 has been moved.
  • the pin 41 together with the rigidly connected bolt 30 moves backwards.
  • the locking lug 31 of the bolt 30 is also moved out of the locking groove 12 and the locking of the bolt 30 is released.
  • the bias of the spring 42 in the locking position the bolt 30 now moves into the locking position.
  • Fig. 6 the locking device 1 is shown in the locking position.
  • the latch 30 is in a vertical position and is in engagement with a locking element (not shown).
  • the locking lug 31 of the bolt 30 is in contact with the housing and holds the pin 41 in position against the restoring force of the spring 42.
  • no restoring force acts on the lock cylinder 20; it remains in an engaged position with respect to that in FIG Fig. 4 position shown.
  • Fig. 7 shows a section of the locking device in the locking position.
  • the coaxial arrangement of the pin 41 and the lock cylinder 20 can be seen here.
  • a locking nose 21 of the lock cylinder 20 is also visible Fig. 5 , in which the bolt 30 is not yet in the locking position, it can be seen that the locking lug 21 is arranged such that it comes into engagement with the latching lug 31 when the bolt 30 is pivoted into the locking position.
  • the locking cylinder 20 can be unlocked from the outside with an associated key.
  • the locking lug 21 then engages the locking lug 31 and pivots the bolt into the open position.
  • the arrangement of pin 41 and lock cylinder 20 is moved by the restoring force of the spring 42 in the direction of the outside, and the locking lug 31 engages in the locking groove 12 of the housing.
  • the locking device 1 is locked in the open position, as in FIG Fig. 4 shown.
  • the locking device 1 can, however, also be unlocked from the inside without using a key by manually moving the bolt 30 into the open position. This can either be done directly by moving the Latch 30 in the open position, or indirectly, for example by turning the rear end of the pin 41. In both cases, the locking device 1 snaps into the locked open position as soon as the locking lug 31 is level with the locking groove 12 due to the restoring force of the spring 42 . This ensures that people who are on the inside of the locked cover can unlock the locking device 1 without special tools, while unlocking from the outside is only possible with the aid of a key.
  • a cover system according to an embodiment of the invention is shown.
  • the cover system consists of a cover 5 and the locking device 1, which is screwed into the cover system.
  • Fig. 8 shows the cover system from the inside.
  • Fig. 9 is a detailed view of the cover system from the outside, namely the area of the cover in which the locking device is installed and is closed with a cover element.
  • the locking device 1 is screwed into a recess below an outer plate of the cover 5, so that the locking cylinder 20 can be reached.
  • the lock cylinder 20 is pressed inwards as described above.
  • a seal 61, onto which a cover element 60 is fixed with screws 62, is attached to the recess.
  • Unlocking by unlocking the lock cylinder 20 is therefore possible at any time without the risk of the locking device 1 being destroyed by dirt or corrosion.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Casings For Electric Apparatus (AREA)
  • Lock And Its Accessories (AREA)

Description

Die Erfindung betrifft eine Schließvorrichtung für eine Abdeckung, sowie ein verschließbares Abdecksystem gemäß dem Oberbegriff des Patentanspruchs 1 bzw. des Patentanspruchs 10.The invention relates to a locking device for a cover and a lockable cover system according to the preamble of claim 1 and claim 10, respectively.

Abdecksysteme, insbesondere für vertikale Schächte, sind im Stand der Technik hinreichend bekannt. Um ein unbefugtes Öffnen zu verhindern, sind derartige Abdeckungssysteme oftmals mit einer Schließvorrichtung versehen, die ein Verriegeln der Abdeckung von außen ermöglicht.Cover systems, in particular for vertical shafts, are sufficiently known in the prior art. In order to prevent unauthorized opening, cover systems of this type are often provided with a locking device which enables the cover to be locked from the outside.

Aus AU 2009 202 580 A1 ist eine Schließvorrichtung bekannt, die durch eine axiale Verschiebung des Schließzylinders verschließbar ist.Out AU 2009 202 580 A1 a locking device is known which can be locked by an axial displacement of the lock cylinder.

Die im Stand der Technik bekannten Schließvorrichtungen werden jedoch als nachteilig empfunden. Bekannte Systeme mit Schließmechanismus müssen zum Verriegeln der Abdeckung von außen mit einem Schlüssel abgesperrt werden, was eine zusätzliche Komplikation bei der Montage darstellt. Eine Entriegelung von der anderen Seite der Abdeckung ist entweder nicht möglich oder nur mit Hilfe eines Schlüssels möglich. Wird beispielsweise ein Arbeiter versehentlich eingesperrt, ist eine Notentriegelung nicht möglich.However, the locking devices known in the prior art are perceived as disadvantageous. Known systems with a locking mechanism must be locked from the outside with a key in order to lock the cover, which represents an additional complication during assembly. Unlocking from the other side of the cover is either not possible or only possible with the aid of a key. For example, if a worker is accidentally locked in, an emergency release is not possible.

Der Erfindung liegt daher die Aufgabe zugrunde, eine Schließvorrichtung bzw. ein Abdecksystem anzugeben, die einfach und sicher sind.The invention is therefore based on the object of specifying a locking device or a cover system that is simple and secure.

Diese Aufgabe wird durch eine Vorrichtung nach Patentanspruch 1, bzw. durch ein System nach Patentanspruch 10 gelöst.This object is achieved by a device according to claim 1 or by a system according to claim 10.

Insbesondere wird die Aufgabe gelöst durch eine Schließvorrichtung für eine Abdeckung mit einer Innen- und einer Außenseite, umfassend einen Riegel, der zwischen einer Offen- und einer Verriegelungsstellung bewegbar ist, sowie eine bewegliche Schließeinrichtung, wobei der Riegel durch schlüsselloses Bewegen der Schließeinrichtung von der Offen- in die Verriegelungsstellung bewegbar ist.In particular, the object is achieved by a locking device for a cover with an inside and an outside, comprising a bolt that can be moved between an open and a locking position, as well as a movable locking device, the bolt being opened by keyless movement of the locking device - Can be moved into the locking position.

Ein wesentlicher Punkt der Erfindung liegt darin, dass mit der erfindungsgemäßen Schließvorrichtung ein besonders einfaches Verriegeln der Abdeckung ermöglicht ist, da hierzu kein Schlüssel oder Werkzeug vonnöten ist, sondern lediglich die Schließeinrichtung bewegt werden muss. Dies führt zu einer wesentlichen Vereinfachung bei der Installation und Handhabung von Abdeckungen, die gegen unbefugtes Öffnen geschützt werden sollen.An essential point of the invention is that the locking device according to the invention enables particularly simple locking of the cover, since no key or tool is required for this, but only the locking device has to be moved. This leads to a significant simplification in the installation and handling of covers that are to be protected against unauthorized opening.

Erfindungsgemäß ist der Riegel sowohl durch ein Entsperren der Schließvorrichtung von der Außenseite, als auch durch eine manuelle, direkte oder indirekte Betätigung des Riegels von der Innenseite von der Verriegelungsin die Offenstellung bewegbar. Es ist damit möglich, die Abdeckung von der Innenseite ohne Verwendung eines Schlüssels durch manuelle Betätigung des Riegels zu entriegeln. Dies ermöglicht also eine Notöffnung der Abdeckung von der Innenseite her, für den Fall dass ein Arbeiter sich nach Verriegeln der Abdeckung noch in dem abzudeckenden Bereich befindet. Dadurch ist die Sicherheit erhöht. Für eine Entriegelung von der Außenseite hingegen ist weiter ein Schüssel erforderlich, so dass die Absicherung gegen unbefugtes Öffnen der Abdeckung weiter gegeben ist.According to the invention, the bolt can be moved from the locking device to the open position both by unlocking the locking device from the outside and by manually, directly or indirectly actuating the bolt from the inside. It is thus possible to unlock the cover from the inside without using a key by manually operating the bolt. This therefore enables the cover to be opened in an emergency from the inside in the event that a worker is still in the area to be covered after the cover has been locked. This increases security. For unlocking from the outside, however, a key is also required, so that the protection against unauthorized opening of the cover is continued.

Bei einer bevorzugten Ausführungsform steht der Riegel mit einem Federelement derart in Eingriff, dass der Riegel in Richtung der Verriegelungsstellung vorspannbar ist. Damit kann sichergestellt werden, dass der Riegel durch Bewegen der Schließeinrichtung zuverlässig von der Offen- in die Verriegelungsstellung bewegt wird.In a preferred embodiment, the bolt is in engagement with a spring element in such a way that the bolt can be pretensioned in the direction of the locking position. This ensures that the bolt is reliably moved from the open to the locking position by moving the locking device.

Vorzugsweise weist der Riegel eine Rastnase auf, die in der Offenstellung mit einer Rastnut derart in Eingriff bringbar ist, dass der Riegel in der Offenstellung arretierbar ist. Dadurch kann verhindert werden, dass die Schließvorrichtung versehentlich ohne Bewegen der Schließeinrichtung verriegelt wird.The bolt preferably has a latching lug which, in the open position, can be brought into engagement with a latching groove in such a way that the bolt can be locked in the open position. This can prevent the locking device from being inadvertently locked without moving the locking device.

Es ist weiterhin bevorzugt, dass die Rastnase durch Bewegen der Schließeinrichtung aus dem Eingriff mit der Rastnut lösbar ist. So kann das Verriegeln der Schließvorrichtung besonders einfach und zuverlässig ausgeführt werden.It is further preferred that the locking lug can be released from engagement with the locking groove by moving the locking device. The locking of the locking device can thus be carried out particularly easily and reliably.

In einer (weiteren) bevorzugten Ausführungsform umfasst die Schließeinrichtung eine Schließnase, die derart ausgebildet und angeordnet ist, dass die Schließnase in Verriegelungsstellung mit dem Riegel, insbesondere der Rastnase des Riegels, in Eingriff steht, und dass der Riegel bei Entsperrung der Schließvorrichtung von der Verriegelungs- in die Offenstellung bewegbar ist. Dies stellt eine einfache und technisch unanfällige Möglichkeit dar, eine verriegelte Schließvorrichtung mittels der Schließvorrichtung zu entsperren.In a (further) preferred embodiment, the locking device comprises a locking nose which is designed and arranged in such a way that the locking nose is in engagement with the bolt, in particular the latching nose of the bolt, in the locking position, and that the bolt when the locking device is unlocked from the lock - Can be moved into the open position. This represents a simple and technically safe possibility of unlocking a locked locking device by means of the locking device.

Es ist weiterhin bevorzugt, dass ein erstes Vorspannelement derart angeordnet ist und ausgebildet ist, dass eine Rückstellkraft auf die bewegliche Schließeinrichtung ausübbar ist, und/oder dass ein zweites Vorspannelement derart angeordnet und ausgebildet ist, dass eine Rückstellkraft auf den Riegel ausübbar ist, durch die die Rastnase des Riegels in Offenstellung mit der Rastnut in Eingriff bringbar ist. Durch die Rückstellkraft auf die bewegliche Schließeinrichtung und/oder den Riegel wird die Schließvorrichtung bei einer Entriegelung automatisch wieder in die ursprüngliche offene Konfiguration übergeführt, was die Handhabung der Schließvorrichtung vereinfacht.It is further preferred that a first pretensioning element is arranged and designed in such a way that a restoring force can be exerted on the movable locking device, and / or that a second pretensioning element is arranged and designed such that a restoring force can be exerted on the bolt, through which the locking lug of the bolt can be brought into engagement with the locking groove in the open position. As a result of the restoring force on the movable locking device and / or the bolt, the locking device is automatically returned to the original open configuration when it is unlocked, which simplifies the handling of the locking device.

In einer bevorzugten Ausführungsform sind das erste Vorspannelement und das zweite Vorspannelement durch eine einzige Feder gebildet, die derart angeordnet ist, dass eine Rückstellkraft auf den Riegel und die Schließvorrichtung ausübbar ist. Dies stellt eine technisch besonders einfache Ausführungsform dar. Durch den Wegfall eines Vorspannelements wird außerdem die Konstruktion der Schließvorrichtung vereinfacht und die Herstellungskosten gesenkt.In a preferred embodiment, the first prestressing element and the second prestressing element are formed by a single spring which is arranged in such a way that a restoring force can be exerted on the bolt and the locking device. This represents a technically particularly simple embodiment. The omission of a prestressing element also simplifies the construction of the locking device and reduces the manufacturing costs.

In einer besonders bevorzugten Ausführungsform sind die Vorspannelemente und das Federelement durch eine (einzige) Dreh-/Druckfeder gebildet, die die eine Rückstellkraft auf den Riegel und die Schließvorrichtung ausübt und derart mit dem Riegel in Eingriff steht, dass der Riegel in Richtung der Verriegelungsstellung vorspannbar ist. Alle Rückstellmomente werden in dieser Ausführungsform durch ein einziges Element aufgebracht. Damit zeichnet sich diese Ausführungsform durch eine nochmals vereinfachte Konstruktion aus, womit die Fehleranfälligkeit und die Herstellungskosten weiter gesenkt werden.In a particularly preferred embodiment, the pretensioning elements and the spring element are formed by a (single) torsion / compression spring, which exerts a restoring force on the bolt and the locking device and in this way with it the bolt is engaged so that the bolt can be biased in the direction of the locking position. In this embodiment, all restoring torques are applied by a single element. This embodiment is thus characterized by an even more simplified construction, which further reduces the susceptibility to errors and the production costs.

In einer besonders bevorzugten Ausführungsform ist die Schließeinrichtung durch einen Schließzylinder, insbesondere einen standardisierten Schließzylinder gebildet. Dies kann beispielsweise eine Standardzylindereinlage mit dem sogenannten Europrofil (CSN 16 5130, DIN EN 1303) sein. Dies vereinfacht die Herstellung der erfindungsgemäßen Schließvorrichtung, da auf handelsübliche Komponenten zurückgegriffen werden kann.In a particularly preferred embodiment, the locking device is formed by a lock cylinder, in particular a standardized lock cylinder. This can be, for example, a standard cylinder insert with the so-called Euro profile (CSN 16 5130, DIN EN 1303). This simplifies the production of the locking device according to the invention, since commercially available components can be used.

Im Rahmen der Erfindung wird ferner ein verschließbares Abdecksystem angegeben, das eine Abdeckung mit einer Schließvorrichtung gemäß dem Oberbegriff des Anspruchs 1 umfasst. Mit einem derartigen Abdecksystem kann beim Einbau die Abdeckung ohne zusätzliche Hilfsmittel direkt verriegelt werden, wobei ein manuelles Entriegeln von der Innen- oder Schachtseite ebenfalls ohne Hilfsmittel möglich ist. Somit kann mit dem Abdecksystem eine einfache Verriegelung mit der Möglichkeit einer Notentriegelung von der Innenseite geschaffen werden.In the context of the invention, a lockable cover system is also specified which comprises a cover with a locking device according to the preamble of claim 1. With such a cover system, the cover can be locked directly during installation without additional tools, with manual unlocking from the inside or shaft side also being possible without tools. The cover system can thus be used to create a simple lock with the option of emergency unlocking from the inside.

In einer bevorzugten Ausführungsform ist die Schließvorrichtung in einer Vertiefung der Abdeckung angeordnet, die mit einem Abdeckelement verschließbar ist. So kann die Schließvorrichtung vor Verschmutzung geschützt werden, was zu einer Erhöhung der Lebensdauer führt.In a preferred embodiment, the closing device is arranged in a recess in the cover which can be closed with a cover element. In this way, the locking device can be protected from contamination, which leads to an increase in service life.

Es ist weiter bevorzugt, dass das Abdeckelement eine Dichtung umfasst, mit der die Vertiefung bei Verschluss mit dem Abdeckelement wasserdicht abdichtbar ist. Damit kann die Schließvorrichtung vor Korrosion durch eintretendes Wasser geschützt werden und die Zuverlässigkeit der Schließvorrichtung noch weiter verbessert werden.It is further preferred that the cover element comprises a seal with which the recess can be sealed in a watertight manner when it is closed with the cover element. The locking device can thus be protected from corrosion by entering water and the reliability of the locking device can be improved even further.

Weitere Ausführungsformen der Erfindung ergeben sich aus den Unteransprüchen.Further embodiments of the invention emerge from the subclaims.

Nachfolgend wird die Erfindung anhand eines Ausführungsbeispiels beschreiben, das anhand der Abbildungen näher erläutert wird. Hierbei zeigen

Fig. 1
eine perspektivische Ansicht einer Schließvorrichtung mit einem Riegel in der Offenstellung gemäß einem Ausführungsbeispiel der Erfindung;
Fig. 2
eine Vorderansicht der Schließvorrichtung aus Fig. 1, die im eingebauten Zustand von einer Außenseite zugänglich ist;
Fig. 3
eine Ansicht der Schließvorrichtung aus Fig. 1 von oben;
Fig. 4
eine Seitenansicht der Schließvorrichtung aus Fig. 1;
Fig. 5
eine Seitenansicht der Schließvorrichtung aus Fig. 4 in einem Zustand, in dem ein Schließzylinder zur Verriegelung der Schließvorrichtung bewegt wurde;
Fig. 6
eine Seitenansicht der Schließvorrichtung aus Fig. 5 in einem Zustand, in dem der Riegel sich in der Verriegelungsstellung befindet;
Fig. 7
einen Schnitt der Schließvorrichtung in Verriegelungsstellung;
Fig. 8
eine perspektivische Ansicht eines Abdecksystems gemäß einem Ausführungsbeispiel der Erfindung von einer Innenseite; und
Fig. 9
eine Detailansicht in des Bereichs der Abdeckung aus Fig. 8 von der Außenseite, in dem die Schließvorrichtung aus Fig. 1 verbaut ist und mit einem Abdeckelement verschlossen wird.
The invention is described below using an exemplary embodiment which is explained in more detail using the figures. Show here
Fig. 1
a perspective view of a locking device with a bolt in the open position according to an embodiment of the invention;
Fig. 2
a front view of the locking device Fig. 1 which is accessible from an outside when installed;
Fig. 3
a view of the locking device Fig. 1 from above;
Fig. 4
a side view of the locking device Fig. 1 ;
Fig. 5
a side view of the locking device Fig. 4 in a state in which a lock cylinder has been moved to lock the lock device;
Fig. 6
a side view of the locking device Fig. 5 in a state in which the bolt is in the locking position;
Fig. 7
a section of the locking device in the locking position;
Fig. 8
a perspective view of a cover system according to an embodiment of the invention from an inside; and
Fig. 9
a detailed view in of the area of the cover Fig. 8 from the outside in which the locking device is made Fig. 1 is installed and is closed with a cover element.

In der nachfolgenden Beschreibung werden für gleiche und gleich wirkende Teile dieselben Bezugsziffern verwendet.In the following description, the same reference numbers are used for parts that are the same and have the same effect.

Figur 1 zeigt eine Schließvorrichtung 1 gemäß einem Ausführungsbeispiel der Erfindung. Die Schließvorrichtung 1 weist ein Gehäuse auf, das im Wesentlichen durch eine Vorderplatte 13 und eine doppelwandige Rückwand 14 gebildet wird, die durch Seitenwände 15 miteinander verbunden sind. Im Inneren des Gehäuses ist eine Schließeinrichtung angeordnet, die im vorliegenden Ausführungsbeispiel durch einen Schließzylinder 20 gebildet ist. Der Schließzylinder 20 ist mit einer Stulpschraube 22 in dem Gehäuse der Schließvorrichtung gehaltert. Figure 1 shows a locking device 1 according to an embodiment of the invention. The locking device 1 has a housing which is essentially formed by a front plate 13 and a double-walled rear wall 14, which are connected to one another by side walls 15. A locking device, which in the present exemplary embodiment is formed by a locking cylinder 20, is arranged inside the housing. The lock cylinder 20 is held in the housing of the lock device with a forend screw 22.

An der doppelwandigen Rückwand 14 ist ein Riegel 30 angeordnet, der sich in Fig. 1 in Offenstellung befindet. Der Riegel ist fest mit einem Stift 41 verbunden, der im Gehäuse drehbar gelagert ist, so dass der Riegel 30 schwenkbar um die Achse des Stifts 41 gelagert ist.On the double-walled rear wall 14, a bolt 30 is arranged, which is in Fig. 1 is in the open position. The bolt is firmly connected to a pin 41, which is rotatably mounted in the housing, so that the bolt 30 is mounted pivotably about the axis of the pin 41.

Fig. 2 zeigt eine Vorderansicht der Schließvorrichtung 1, also eine Planansicht der Vorderplatte 13. Bei Anbringung der Schließvorrichtung 1 an einer Abdeckung ist diese Seite der Vorderplatte 13 einer Außenseite der Abdeckung zugewandt. Der Schließzylinder 20 ist somit von der Außenseite zugänglich, so dass ein Entsperren des Schließzylinders 20 von der Außenseite möglich ist. Der Schließzylinder ist im vorliegenden Ausführungsbeispiel ein Profil-Halbzylinder nach DIN 18252/EN1303, was bei Bedarf einen einfachen Austausch ermöglicht. Fig. 2 shows a front view of the locking device 1, that is to say a plan view of the front plate 13. When the locking device 1 is attached to a cover, this side of the front plate 13 faces an outer side of the cover. The lock cylinder 20 is therefore accessible from the outside, so that the lock cylinder 20 can be unlocked from the outside. In the present exemplary embodiment, the lock cylinder is a profile half cylinder in accordance with DIN 18252 / EN1303, which enables simple replacement if necessary.

Fig. 3 zeigt eine Ansicht der Schließvorrichtung 1 von oben. Der Schließzylinder 20 und der Stift 41, mit dem der Riegel 30 drehbar gelagert ist, sind bezüglich ihrer Längsachsen fluchtend in dem Gehäuse der Schließvorrichtung 1 angeordnet. Eine Feder 42 ist zwischen den Rückwänden 14 am Umfang des Stifts 41 angeordnet. Die Feder 42 übt eine Rückstellkraft auf den Stift 41 und auf den koaxial angeordneten Schließzylinder 20 in Richtung auf die Außenseite der Schließvorrichtung 1 aus. Die Feder 41 ist eine Drehfeder und zwischen dem Riegel 30 und der hinteren Rückwand eingespannt. Sie spannt den Riegel 30 in Richtung einer Verriegelungsstellung vor. In Fig. 3 entspricht eine Bewegung des Riegels 30 in Richtung der Verriegelungsstellung einer Bewegung in die Bildebene. Fig. 3 shows a view of the locking device 1 from above. The lock cylinder 20 and the pin 41, with which the bolt 30 is rotatably mounted, are arranged in alignment with respect to their longitudinal axes in the housing of the lock device 1. A spring 42 is arranged between the rear walls 14 on the circumference of the pin 41. The spring 42 exerts a restoring force on the pin 41 and on the coaxially arranged lock cylinder 20 in the direction of the outside of the lock device 1. The spring 41 is a torsion spring and is clamped between the bolt 30 and the rear rear wall. It biases the bolt 30 in the direction of a locking position. In Fig. 3 a movement of the bolt 30 in the direction of the locking position corresponds to a movement in the image plane.

In Fig. 4 ist eine Seitenansicht der Schließvorrichtung 1 in Offenstellung gezeigt. In den Seitenwänden 15 des Gehäuses sind Schlitze 11 vorgesehen, an denen der Schließzylinder 20 mittels der Stulpschraube 22 gehaltert ist. Die Stulpschraube 22 ist in den Schlitzen 11 geführt, womit der Schließzylinder 20 beweglich entlang seiner Achse gelagert ist. Durch die Rückstellkraft der Feder 42 wird der Schließzylinder 20 über den Stift 41 in Richtung der Außenseite gedrückt, so dass er über die Vorderplatte 13 vorsteht.In Fig. 4 a side view of the locking device 1 is shown in the open position. In the side walls 15 of the housing slots 11 are provided, on which the lock cylinder 20 is held by means of the forend screw 22. The forend screw 22 is guided in the slots 11, with which the lock cylinder 20 is movably mounted along its axis. Due to the restoring force of the spring 42, the lock cylinder 20 is pressed in the direction of the outside via the pin 41, so that it protrudes over the front plate 13.

An dem drehfest mit dem Stift 41 verbundenen Riegel 30 ist eine Rastnase 31 ausgebildet, die mit einer Rastnut 12 der einen Seitenwand 15 in Eingriff ist. Durch diesen Eingriff ist der Riegel 30 gegen das von der Feder 42 ausgeübte Drehmoment in der Offenstellung arretiert.A locking lug 31, which engages with a locking groove 12 of one side wall 15, is formed on the bolt 30, which is connected non-rotatably to the pin 41. As a result of this engagement, the bolt 30 is locked in the open position against the torque exerted by the spring 42.

Um die Schließvorrichtung 1 zu verriegeln, wird der über die Vorderplatte 13 vorstehende Schließzylinder 20 in das Gehäuse gedrückt. In Fig. 5 ist die Schließvorrichtung 1 in einem Zustand unmittelbar nach Bewegen des Schließzylinders 20 gezeigt. Durch die Bewegung des Schließzylinders 20 verschiebt sich der Stift 41 mitsamt dem starr verbundenen Riegel 30 nach hinten. Hierbei werden auch die Rastnase 31 des Riegels 30 aus der Rastnut 12 bewegt und die Arretierung des Riegels 30 gelöst. Durch die Vorspannung der Feder 42 in Verriegelungsstellung bewegt sich der Riegel 30 nun in die Verriegelungsstellung.In order to lock the locking device 1, the locking cylinder 20 protruding from the front plate 13 is pressed into the housing. In Fig. 5 the locking device 1 is shown in a state immediately after the lock cylinder 20 has been moved. As a result of the movement of the lock cylinder 20, the pin 41 together with the rigidly connected bolt 30 moves backwards. The locking lug 31 of the bolt 30 is also moved out of the locking groove 12 and the locking of the bolt 30 is released. As a result of the bias of the spring 42 in the locking position, the bolt 30 now moves into the locking position.

In Fig. 6 ist die Schließvorrichtung 1 in Verriegelungsstellung gezeigt. Der Riegel 30 befindet sich in einer vertikalen Stellung und steht in Eingriff mit einem (nicht gezeigten) Verriegelungselement. Die Rastnase 31 des Riegels 30 ist in Kontakt mit dem Gehäuse und hält den Stift 41 gegen die Rückstellkraft der Feder 42 in Position. Dadurch wirkt keine Rückstellkraft auf den Schließzylinder 20, er verbleibt in einer eingerückten Stellung gegenüber der in Fig. 4 gezeigten Stellung.In Fig. 6 the locking device 1 is shown in the locking position. The latch 30 is in a vertical position and is in engagement with a locking element (not shown). The locking lug 31 of the bolt 30 is in contact with the housing and holds the pin 41 in position against the restoring force of the spring 42. As a result, no restoring force acts on the lock cylinder 20; it remains in an engaged position with respect to that in FIG Fig. 4 position shown.

Fig. 7 zeigt einen Schnitt der Schließvorrichtung in Verriegelungsstellung. Die koaxiale Anordnung des Stiftes 41 und des Schließzylinders 20 ist hier zu erkennen. Sichtbar ist auch eine Schließnase 21 des Schließzylinders 20. In Fig. 5, in der sich der Riegel 30 noch nicht in der Verriegelungsstellung befindet, ist zu sehen, dass die Schließnase 21 derart angeordnet ist, dass sie in Eingriff mit der Rastnase 31 kommt, wenn der Riegel 30 in die Verriegelungsstellung verschwenkt. Fig. 7 shows a section of the locking device in the locking position. The coaxial arrangement of the pin 41 and the lock cylinder 20 can be seen here. A locking nose 21 of the lock cylinder 20 is also visible Fig. 5 , in which the bolt 30 is not yet in the locking position, it can be seen that the locking lug 21 is arranged such that it comes into engagement with the latching lug 31 when the bolt 30 is pivoted into the locking position.

Um die Schließvorrichtung 1 zu entriegeln, kann einerseits der Schließzylinder 20 von der Außenseite mit einem zugehörigen Schlüssel entsperrt werden. Dann greift die Schließnase 21 an der Rastnase 31 an und verschwenkt den Riegel in die Offenstellung. Bei Erreichen der in Fig. 5 gezeigten Stellung wird die Anordnung aus Stift 41 und Schließzylinder 20 durch die Rückstellkraft der Feder 42 in Richtung der Außenseite bewegt, und die Rastnase 31 greift in die Rastnut 12 des Gehäuses. Somit wird die Schließvorrichtung 1 in der Offenstellung arretiert, wie in Fig. 4 gezeigt.In order to unlock the locking device 1, on the one hand the locking cylinder 20 can be unlocked from the outside with an associated key. The locking lug 21 then engages the locking lug 31 and pivots the bolt into the open position. When the in Fig. 5 The position shown, the arrangement of pin 41 and lock cylinder 20 is moved by the restoring force of the spring 42 in the direction of the outside, and the locking lug 31 engages in the locking groove 12 of the housing. Thus, the locking device 1 is locked in the open position, as in FIG Fig. 4 shown.

Die Schließvorrichtung 1 kann jedoch auch von der Innenseite, ohne Verwendung eines Schlüssels entriegelt werden, indem der Riegel 30 manuell in die Offenstellung bewegt wird. Dies kann entweder direkt durch Verschieben des Riegels 30 in die Offenstellung geschehen, oder indirekt, beispielsweise durch Drehen des hinteren Endes des Stifts 41. In beiden Fällen schnappt die Schließvorrichtung 1 durch die Rückstellkraft der Feder 42 in die arretierte Offenstellung, sobald die Rastnase 31 sich auf der Höhe der Rastnut 12 befindet. Somit ist sichergestellt, dass Personen, die sich auf der Innenseite der verriegelten Abdeckung befinden, die Schließvorrichtung 1 ohne besondere Hilfsmittel entriegeln können, während die Entriegelung von der Außenseite nur mit Hilfe eines Schlüssels möglich ist.The locking device 1 can, however, also be unlocked from the inside without using a key by manually moving the bolt 30 into the open position. This can either be done directly by moving the Latch 30 in the open position, or indirectly, for example by turning the rear end of the pin 41. In both cases, the locking device 1 snaps into the locked open position as soon as the locking lug 31 is level with the locking groove 12 due to the restoring force of the spring 42 . This ensures that people who are on the inside of the locked cover can unlock the locking device 1 without special tools, while unlocking from the outside is only possible with the aid of a key.

In Fig. 8 ist ein Abdecksystem gemäß einer Ausführungsform der Erfindung gezeigt. Das Abdecksystem besteht aus einer Abdeckung 5 und der Schließvorrichtung 1, die in dem Abdecksystem verschraubt ist. Fig. 8 zeigt das Abdecksystem von der Innenseite.In Fig. 8 a cover system according to an embodiment of the invention is shown. The cover system consists of a cover 5 and the locking device 1, which is screwed into the cover system. Fig. 8 shows the cover system from the inside.

Fig. 9 ist eine Detailansicht des Abdecksystems von der Außenseite, und zwar des Bereichs der Abdeckung, in dem die Schließvorrichtung verbaut ist und mit einem Abdeckelement verschlossen wird. Die Schließvorrichtung 1 ist in einer Vertiefung unterhalb einer Außenplatte der Abdeckung 5 verschraubt, so dass der Schließzylinder 20 erreichbar ist. Um das Abdecksystem zu verriegeln, wird der Schließzylinder 20, wie oben beschrieben, nach innen gedrückt. An der Vertiefung ist eine Dichtung 61 angebracht, auf die ein Abdeckelement 60 mit Schrauben 62 fixiert wird. Somit ist die Schließvorrichtung 1 vor Verschmutzung und Eindringen von Flüssigkeit geschützt. Eine Entriegelung durch Entsperren des Schließzylinders 20 ist somit jederzeit möglich, ohne dass die Gefahr besteht, dass die Schließvorrichtung 1 durch Verschmutzung oder Korrosion zerstört wird. Fig. 9 is a detailed view of the cover system from the outside, namely the area of the cover in which the locking device is installed and is closed with a cover element. The locking device 1 is screwed into a recess below an outer plate of the cover 5, so that the locking cylinder 20 can be reached. In order to lock the cover system, the lock cylinder 20 is pressed inwards as described above. A seal 61, onto which a cover element 60 is fixed with screws 62, is attached to the recess. Thus, the locking device 1 is protected from contamination and penetration of liquid. Unlocking by unlocking the lock cylinder 20 is therefore possible at any time without the risk of the locking device 1 being destroyed by dirt or corrosion.

BezugszeichenlisteList of reference symbols

11
SchließvorrichtungLocking device
55
Abdeckungcover
1010
Gehäusecasing
1111
FührungsschlitzeGuide slots
1212th
RastnutLocking groove
1313th
VorderplatteFront panel
1414th
RückwandBack wall
1515th
Seitenwändeside walls
2020th
SchließzylinderLock cylinder
2121st
SchließnaseLocking nose
2222nd
StulpschraubeForend screw
3030th
Riegelbars
3131
RastnaseLocking lug
4141
Stiftpen
4242
Federfeather
6060
AbdeckelementCover element
6161
Dichtungpoetry
6262
SchraubenScrews

Claims (12)

  1. A locking device (1) for a cover (5) having an inner and an outer side, comprising:
    - a latch (30) which is movable between an open position and a latching position, as well as
    - a movable closing device (20),
    wherein
    - the latch (30) is movable by moving the closing device (20) from the open position into the latching position without a key,
    characterized in that
    the latch (30) is movable from the latching position into the open position both by unlocking the closing device (20) from the outside, and by operating the latch (30) manually, directly or indirectly from the inside.
  2. The locking device according to claim 1,
    characterized in that
    the latch (30) is in engagement with a spring element such that the latch (30) can be pre-tensioned toward the latching position.
  3. The locking device according to any one of the preceding claims,
    characterized in that
    the latch (30) includes a latching tab (31) which, in the open position, can be brought into engagement with s latching groove (12) such that the latch (30) can be arrested in the open position.
  4. The locking device according to any one of the preceding claims,
    In particular according to claim 3,
    characterized in that
    the latching tab (31) can be released from the engagement with the latching groove (12) by moving the closing device (20).
  5. The locking device according to any one of the preceding claims,
    characterized in that
    the closing device (20) comprises a locking tab (21), which is formed and arranged such that the locking tab (21), in the locking position, is in engagement with the latch (30), in particular with the latching tab (31) of the latch (30), and that the latch (30) can be moved from the latching position into the open position by unlocking the closing device (20).
  6. The locking device according to any one of the preceding claims,
    characterized in that
    a first pre-tensioning element (42) is arranged and formed such that a restoring force can be executed upon the movable closing device (20), and/or a second pre-tensioning element (42) is arranged and formed such that a restoring force can be executed upon the latch (30), by means of which the latching tab (31) of the latch (30) can be brought into engagement with the latching groove (12) in the open position.
  7. The locking device according to any one of the preceding claims,
    in particular according to claim 6,
    characterized in that
    the first pre-tensioning element and the second pre-tensioning element are formed by a spring (42) which is arranged such that a restoring force can be executed upon the latch (30) and the closing device (20).
  8. The locking device according to any one of the preceding claims,
    in particular according to claim 7,
    characterized in that
    the pre-tensioning elements and the spring element are formed by a torsion/compression spring (42) which executes a restoring force upon the latch (30) and the closing device (20) and is in engagement with the latch (30) such that the latch (30) can be pre-tensioned toward the latching position.
  9. The locking device according to any one of the preceding claims,
    characterized in that
    the closing device (20) is formed by a locking cylinder, in particular a standardized locking cylinder.
  10. A lockable covering system, comprising a cover (5) with a locking device (1) according to one of claims 1 to 9.
  11. The lockable covering system according to claim 10,
    characterized in that
    the locking device (1) is arranged within a depression of the cover (5) which can be locked by means of a covering element (60).
  12. The lockable covering system according to claim 10 or 11,
    characterized in that
    the covering element (60) comprises a sealing (61), by means of which the depression can be sealed in a water-tight manner when locked by means of the covering element (60).
EP16195701.4A 2015-10-27 2016-10-26 Locking device for a closure, lockable closure system Active EP3162991B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015118260.2A DE102015118260B4 (en) 2015-10-27 2015-10-27 Closing device for a cover, lockable cover system

Publications (2)

Publication Number Publication Date
EP3162991A1 EP3162991A1 (en) 2017-05-03
EP3162991B1 true EP3162991B1 (en) 2021-05-12

Family

ID=57206133

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16195701.4A Active EP3162991B1 (en) 2015-10-27 2016-10-26 Locking device for a closure, lockable closure system

Country Status (2)

Country Link
EP (1) EP3162991B1 (en)
DE (1) DE102015118260B4 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2594040B (en) * 2020-03-11 2023-11-15 Bikeaway Ltd Locker

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AU2009202580A1 (en) * 2008-06-27 2010-01-14 Tnbt Holdings Pty Limited A lock assembly

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US1907625A (en) * 1930-03-24 1933-05-09 Knape & Vogt Mfg Co Showcase sliding doorlock
US1951418A (en) * 1931-09-16 1934-03-20 Briggs & Stratton Corp Lock
GB404586A (en) * 1932-08-31 1934-01-18 Bigler Spichiger & Cie Ag Improvements in locks
JPS4313037Y1 (en) * 1966-11-16 1968-06-03
DE7709401U1 (en) * 1977-03-25 1977-07-07 Vielberth, Roland, 8400 Regensburg LOCK FOR MANHOLE COVER
AU541046B2 (en) * 1981-08-31 1984-12-13 Chubb & Son's Lock And Safe Co. Ltd. Locking device
CH674876A5 (en) 1987-07-20 1990-07-31 Kindt Ag
DE29812720U1 (en) * 1998-07-17 1998-10-22 GAV GmbH Schachtabdeckungen - Entwässerungstechnik, 56154 Boppard Locking device for manhole covers
DE20106286U1 (en) * 2001-04-10 2001-06-13 Emka Beschlagteile Gmbh & Co. Kg, 42551 Velbert Door lock with panic mechanism
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DE202014100045U1 (en) * 2014-01-07 2014-04-28 Emka Beschlagteile Gmbh & Co. Kg Safety closure with a turnbuckle closure

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AU2009202580A1 (en) * 2008-06-27 2010-01-14 Tnbt Holdings Pty Limited A lock assembly

Also Published As

Publication number Publication date
DE102015118260B4 (en) 2022-11-24
EP3162991A1 (en) 2017-05-03
DE102015118260A1 (en) 2017-04-27

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