EP0561254A1 - Door provided with a safety device for its lock - Google Patents

Door provided with a safety device for its lock Download PDF

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Publication number
EP0561254A1
EP0561254A1 EP93103738A EP93103738A EP0561254A1 EP 0561254 A1 EP0561254 A1 EP 0561254A1 EP 93103738 A EP93103738 A EP 93103738A EP 93103738 A EP93103738 A EP 93103738A EP 0561254 A1 EP0561254 A1 EP 0561254A1
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EP
European Patent Office
Prior art keywords
bolt
door lock
door
key
keyhole
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.)
Granted
Application number
EP93103738A
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German (de)
French (fr)
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EP0561254B1 (en
Inventor
Herbert Leister
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Leister Noriko
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Leister Noriko
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Publication date
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Publication of EP0561254A1 publication Critical patent/EP0561254A1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B11/00—Devices preventing keys from being removed from the lock ; Devices preventing falling or pushing out of keys
    • 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
    • E05B13/04—Devices preventing the key or the handle or both from being used shaped as fork-like implements grasping and fixing the key or a handle, e.g. a thumb-turn
    • 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
    • E05B63/0004—Additional locks added to existing lock arrangements
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C1/00—Fastening devices with bolts moving rectilinearly
    • E05C1/02—Fastening devices with bolts moving rectilinearly without latching action
    • E05C1/04—Fastening devices with bolts moving rectilinearly without latching action with operating handle or equivalent member rigid with the bolt
    • 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
    • E05B15/10—Bolts of locks or night latches
    • E05B15/101—Spring-retracted bolts

Definitions

  • the invention relates to a door lock security device, in particular for apartment doors with an attached part arranged on the door lock and interacting with a key in the door lock.
  • Such a device is known from DE-OS 27 57 045.
  • the key lock presented there is used to block a key in the door lock in a horizontal position.
  • the device has a locking plate pivotably mounted on the push shaft.
  • the locking plate is provided with a locking slot that is open on the side and extends over the part of the key that protrudes from the door lock, the locking plate being mounted on the handle shaft so that it can be moved in the longitudinal direction.
  • the device serves as security against break-ins.
  • the disadvantage is that the key is not safely avoided when leaving the apartment.
  • An exclusion lock has not been implemented.
  • the object of the invention is to provide, starting from DE-OS 27 57 045, a door lock security system in which an exclusion lock and an additional burglar alarm are combined, so that on the one hand the key is left when leaving the apartment and on the other hand the key inserted in the door lock falls out are impossible.
  • the add-on part is designed as a bolt with a locking and open position, the bolt being automatically designed to take the open position and can be locked in its locking position by the key.
  • a particularly simple interaction between the key and the lock is achieved if the lock at least partially covers the keyhole of the door lock and exposes the keyhole in the locking position.
  • the key In the locking position of the bolt, the key can be inserted into the keyhole.
  • the door is additionally locked from the inside. To open the door, the key must be removed to bring the bolt into the open position.
  • the device can also be mounted in different positions for special purposes with the appropriate setting.
  • the bolt for taking the open position in the opening direction is gravity-loaded by the center of gravity of the bolt has a downward movement component when displaced in the opening direction, a particularly robust device is created that can be attached to an apartment door with little assembly effort.
  • the bolt has an opening which exposes the keyhole in the locking position of the bolt.
  • the opening advantageously has a substantially semicircular cross section with a contact edge for the key.
  • the bolt that is preloaded in the opening direction lies with the straight contact edge as far as possible on the flat cylinder lock key.
  • the contact edge forms an acute angle ⁇ with the vertical.
  • the bolt preferably in elongated holes, is guided by guide bolts arranged on the door.
  • Hooks or U-shaped bolt abutments are particularly suitable for retrofitting existing apartment doors. The installation effort remains low. Layers can also be attached.
  • Figure 1 shows a section of the door leaf of an apartment door 4 with a door frame 5 and a door lock 2, wherein the door 4 is shown in the closed state.
  • the door lock security device according to the invention is arranged on the inside of the apartment door 4. The details of the door lock located in the door leaf and frame are not shown in order to keep the drawing clear.
  • the door lock security has a bolt 1 guided in elongated holes 14 on guide bolts 15.
  • the bolt 1 engages behind a bolt abutment 16 which is fastened to the door frame 5.
  • the movable bolt 1 is biased by tension spring 8, which is arranged between the door 4 and the bolt 1.
  • the tension spring 8 can also be attached to the bolt 1 on both sides and can be guided around one of the guide bolts 15 in an arc.
  • FIG. 2 the device according to the invention on the door 4 and the door frame 5 is seen from the inside.
  • the bolt 1 engages behind the bolt abutment 16.
  • the bolt 1 is arranged in the elongated holes 14 in the opening direction 11 and closing direction 10 so as to be displaceable on guide bolts 15 which are fastened to the door 4.
  • the bolt 1 In its open position 17, the bolt 1 assumes the position shown in dashed lines in FIG. 2 on the left side and releases the bolt abutment 16.
  • the spring 8 which is concealed behind the bolt 1, biases the bolt 1 in the opening direction 11.
  • the bolt 1 is arranged parallel to the door leaf level and immediately in front of the door lock 2 in a position so that the keyhole 6 lies behind the bolt 1.
  • An opening 7 in the bolt 1 exposes the keyhole 6 of the door lock 2 in the locking position 12 of the bolt 1.
  • the key 3 inserted into the keyhole 6 holds the bolt 1 in the locking position 12 against the spring force of the tension spring 8 acting in the opening direction 11.
  • the opening 7 essentially has a semicircular contour.
  • the essentially straight baseline of the semicircle is arranged at an acute angle ⁇ to the perpendicular 13 and forms a contact edge 9 on which the lateral key surface of the key 3 comes to rest.
  • the bolt 1 In the open position of bolt 1, i.e. when the key 3 is not inserted, the bolt 1 is biased in the open position by the tension spring 8.
  • the door 4 can be opened and closed normally.
  • the opening 7 in the bolt 1 is shaped so that the key 3 inserted into the keyhole 6 can be rotated, the bolt 1 only executing small oscillating movements, but otherwise remaining in its locking position 12 engaging behind the bolt abutment 16.
  • the door lock security device Due to the force of the spring, the key 3 lies with its flat side surface against the contact edge 9 of the opening 7 and is held in the door lock 2 in a position rotated by the angle ⁇ to the vertical 13. In this position, the key 3 cannot be removed in commercially available cylinder locks.
  • the door lock security device also provides security against inadvertent falling out of the key 3. Furthermore, in this key position, it is also impossible to push out the key 3 inserted into the keyhole 6, so that security against break-ins is improved.
  • the door lock security device thus also acts as a reliable exclusion lock.
  • FIG. 3 shows another embodiment of the door lock security device according to the invention mounted on door 4 and door frame 5.
  • Bolt 1 is slidably arranged in elongated holes 14 on guide bolts 15 fastened to the door 4 in the opening direction 11 and closing direction 10.
  • the guide bolts 15 are arranged on base plates, not shown. This simplifies subsequent assembly, for example the base can be glued to the door leaf. By changing the base height, the installation length of the latch 1 can advantageously be adjusted. Furthermore, the load acting on the guide pin 15 is absorbed over a large area by the door 4. A breakout of the guide pin is avoided. This type of fastening is particularly suitable for glass doors or doors made of other sensitive materials.
  • the elongated holes 14 are arranged inclined to the horizontal, so that the bolt 1 is formed in the opening direction 11 under gravity.
  • the bolt 1 engages behind a bolt abutment 16 which is fastened to the door frame 5.
  • a keyhole 6 is exposed below the bolt 1.
  • the bolt 1 is held in its locking position 12. If the key is pulled out of the keyhole 6, the bolt 1 slides in the opening direction 11 in its elongated holes 14 onto the guide bolt 15 in the open position 17, which is shown in broken lines. The keyhole 6 is then largely covered by the bolt 1. If the key 3 is to be inserted, the bolt must be pushed manually in the closing direction 10, whereby the keyhole 6 is exposed.

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

Abstract

The invention relates to a safety device for a door lock, especially for house doors (4), with a bolt (1) which at least partially covers a door lock (2) and which is designed to assume its open position (17) automatically and can be fixed in its locking position (12) by a key (3) inserted in the door lock. The door-lock safety device constitutes means to prevent being locked-out and an additional safeguard against break-in, in which, on the one hand, it is impossible for the key (3) to be left inserted in the door lock (2) when the house is left and, on the other hand, it is impossible for the key (3) inserted in the door lock (2) to fall out or be pushed out. <IMAGE>

Description

Die Erfindung betrifft eine Türschloßsicherung, insbesondere für Wohnungstüren mit einem am Türschloß angeordneten und mit einem Schlüssel im Türschloß wechselwirkenden Anbauteil.The invention relates to a door lock security device, in particular for apartment doors with an attached part arranged on the door lock and interacting with a key in the door lock.

Eine derartige Vorrichtung ist aus der DE-OS 27 57 045 bekannt. Die dort vorgestellte Schlüsselsicherung dient der Blockierung eines im Türschloß steckenden Schlüssels in horizontaler Stellung. Die Vorrichtung weist ein am Drückerschaft schwenkbar gelagertes Sicherungsblech auf. Das Sicherungsblech ist mit einem seitlich offenen Arretierungsschlitz versehen, der den aus dem Türshhloß herausragenden Teil des Schlüssels ühergreift, wobei das Sicherungsblech am Drückerschaft in Längsrichtung verschiebbar gelagert ist.Such a device is known from DE-OS 27 57 045. The key lock presented there is used to block a key in the door lock in a horizontal position. The device has a locking plate pivotably mounted on the push shaft. The locking plate is provided with a locking slot that is open on the side and extends over the part of the key that protrudes from the door lock, the locking plate being mounted on the handle shaft so that it can be moved in the longitudinal direction.

Die Vorrichtung dient der Sicherung gegen Einbrüche. Nachteilig ist, daß ein Steckenlassen des Schlüssels beim Verlassen der Wohnung nicht sicher vermieden wird. Eine Ausschließsperre ist nicht verwirklicht.The device serves as security against break-ins. The disadvantage is that the key is not safely avoided when leaving the apartment. An exclusion lock has not been implemented.

In der DE-OS 33 47 161 wird eine Ausschließsperre beschrieben, die am Rahmen einer Wohnungstür befestigt ist und ein verschiebbares elastisches Teil aufweist, das mit dem Türschlüssel in Sperrstellung gehalten wird. In Sperrstellung der Ausschließsperre wird ein unbeabsichtigtes Schließen der Wohungstür dadurch verhindert, daß das elastische Bauteil in den Türfalz eingreift und so ein Einschnappen der Türverriegelung verhindert.In DE-OS 33 47 161 an exclusion lock is described, which is attached to the frame of an apartment door and has a displaceable elastic part which is held in the locked position with the door key. In the locked position of the exclusion lock, an unintentional closing of the apartment door is prevented by the elastic component engaging in the door rebate and thus preventing the door lock from snapping into place.

Nachteilig ist, daß der Türschlüssel vom Türschloß entfernt werden muß, um ihn in eine gesonderte Vorrichtung einzustecken. Ferner wird kein zusätzlicher Einbruchschutz erreicht.The disadvantage is that the door key must be removed from the door lock in order to insert it into a separate device. Furthermore, no additional burglary protection is achieved.

Aufgabe der Erfindung ist es, ausgehend von der DE-OS 27 57 045 eine Türschloßsicherung anzugeben, bei der eine Ausschließsperre und eine zusätzliche Einbruchsicherung kombiniert wird, so daß einerseits ein Steckenlassen des Schlüssels beim Verlassen der Wohnung und andererseits ein Herausfallen des im Türschloß eingesteckten Schlüssels unmöglich sind.The object of the invention is to provide, starting from DE-OS 27 57 045, a door lock security system in which an exclusion lock and an additional burglar alarm are combined, so that on the one hand the key is left when leaving the apartment and on the other hand the key inserted in the door lock falls out are impossible.

Gelöst wird diese Aufgabe dadurch, daß das Anbauteil als Riegel mit einer Verriegelungs- und Offenstellung ausgebildet ist, wobei der Riegel selbsttätig die Offenstellung einnenmend ausgebildet ist und in seiner Verriegelungsstellung vom Schlüssel feststellbar ist.This object is achieved in that the add-on part is designed as a bolt with a locking and open position, the bolt being automatically designed to take the open position and can be locked in its locking position by the key.

Eine besonders einfache Wechselwirkung zwischen Schlüssel und Riegel wird verwirklicht, wenn der Riegel das Schlüsselloch des Türschlosses wenigstens teilweise überdeckt und in Verriegelungsstellung das Schlüsselloch freilegt. In der Verriegelungsstellung des Riegels ist des Schlüssel in das Schlüsselloch einsteckbar. Die Tür ist damit von innen zusätzlich verriegelt. Zum Öffnen der Tür muß der Schlüssel abgezogen werden, um den Riegel in Offenstellung zu bringen.A particularly simple interaction between the key and the lock is achieved if the lock at least partially covers the keyhole of the door lock and exposes the keyhole in the locking position. In the locking position of the bolt, the key can be inserted into the keyhole. The door is additionally locked from the inside. To open the door, the key must be removed to bring the bolt into the open position.

Wenn der Riegel zur Einnahme der Offenstellung von einer Feder in Öffnungsrichtung vorgespannt ist, kann die Vorrichtung bei entsprechender Einstellung auch in unterschiedlichen Lagen für spezielle Einsatzzwecke montiert werden.If the bolt is pretensioned in the opening direction by a spring in order to assume the open position, the device can also be mounted in different positions for special purposes with the appropriate setting.

Dadurch, daß der Riegel zur Einnahme der Offenstellung in der Öffnungsrichtung schwerkraftbelastet ist, indem der Massenschwerpunkt des Riegels bei Vershiebung in Öffnungsrichtung eine nach unten gerichtete Bewegungskomponete aufweist, wird eine besonders robuste Vorrichtung geschaffen, die mit geringem Montageaufwand an einer Wohnungstür angebracht werden kann.Characterized in that the bolt for taking the open position in the opening direction is gravity-loaded by the center of gravity of the bolt has a downward movement component when displaced in the opening direction, a particularly robust device is created that can be attached to an apartment door with little assembly effort.

In weiterer Ausgestaltung ist vorgesehen, daß der Riegel eine Öffnung aufweist, die in Verriegelungsstellung des Riegels das Schlüsselloch freilegt. Diese Lösung läßt sich mit vorteilhaft geringem Aufwand fertigen.In a further embodiment it is provided that the bolt has an opening which exposes the keyhole in the locking position of the bolt. This solution can be manufactured with advantageously little effort.

Für Türen mit Zylindershloß weist die Öffnung vorteilhaft einen im wesentlichen halbkreisförmigen Querschnitt mit einer Anlagekante für den Schlüssel auf. Der in Öffnungsrichtung vorbelastete Riegel liegt mit der geradlinigen Anlagekante möglichst großflächig am flachen Zylinderschloßschlüssel an.For doors with a cylinder lock, the opening advantageously has a substantially semicircular cross section with a contact edge for the key. The bolt that is preloaded in the opening direction lies with the straight contact edge as far as possible on the flat cylinder lock key.

In weiterer Ausgestaltung ist vorgesehen, daß die Anlagekante einen spitzen Winkel α mit der Lotrechten bildet. Der im Schloß eingesteckte Schlüssel wird dadurch in leicht verdrehter Stellung gehalten, so daß ein Herausfallen oder Herausdrücken des Schlüssels nicht möglich ist.In a further embodiment it is provided that the contact edge forms an acute angle α with the vertical. The key inserted in the lock is thereby held in a slightly twisted position, so that falling out or pressing out of the key is not possible.

Für die nachträgliche Montage einer Türschloßsicherung an Wohnungstüren ist es vorteilhaft, wenn der Riegel, vorzugsweise in Langlöchern, von an der Tür angeordneten Führungsbolzen geführt ist.For the subsequent installation of a door lock security on apartment doors, it is advantageous if the bolt, preferably in elongated holes, is guided by guide bolts arranged on the door.

Haken oder U-förmig ausgebildete Riegelwiderlager eignen sich besonders zur Nachrüstung bestehender Wohnungstüren. Der Montageaufwand bleibt gering. Das Anbringen kann auch von Laien erfolgen.Hooks or U-shaped bolt abutments are particularly suitable for retrofitting existing apartment doors. The installation effort remains low. Layers can also be attached.

Eine bevorzugte Ausführungsform wird anhand der Zeichnung beschrieben.A preferred embodiment is described with reference to the drawing.

Es zeigen:

Fig. 1
eine Aufsicht, teilweise geschnitten, der an einer Wohnungstür montierten Türschloßsicherung,
Fig. 2
eine Ansicht der erfindungsgemäßen Vorrichtung an der Innenseite der Wohnungstür, und
Fig. 3
schematisch eine Ausführungsform eines schwerkraftbelasteten Riegels.
Show it:
Fig. 1
a top view, partially in section, of the door lock security mounted on an apartment door,
Fig. 2
a view of the device according to the invention on the inside of the apartment door, and
Fig. 3
schematically an embodiment of a gravity bolt.

Figur 1 zeigt einen Ausschnitt des Türblattes einer Wohnungstür 4 mit einem Türrahmen 5 und einem Türschloß 2, wobei die Tür 4 in geschlossenem Zustand dargestellt ist. Auf der Innenseite der Wohnungstür 4 ist die erfindungsgemäße Türschloßsicherung angeordnet. Die im Türblatt und -rahmen gelegenen Details des Türshlosses sind nicht dargestellt, um die Zeichnung übersichtlicher zu halten.Figure 1 shows a section of the door leaf of an apartment door 4 with a door frame 5 and a door lock 2, wherein the door 4 is shown in the closed state. The door lock security device according to the invention is arranged on the inside of the apartment door 4. The details of the door lock located in the door leaf and frame are not shown in order to keep the drawing clear.

Die Türschloßsicherung weist einen in Langlöchern 14 auf Führungsbolzen 15 geführten Riegel 1 auf. Der Riegel 1 hintergreift ein Riegelwiderlager 16, das am Türrahmen 5 befestigt ist.The door lock security has a bolt 1 guided in elongated holes 14 on guide bolts 15. The bolt 1 engages behind a bolt abutment 16 which is fastened to the door frame 5.

Der verschiebbare Riegel 1 ist durch Zugfeder 8, die zwischen der Tür 4 und dem Riegel 1 angeordnet ist, vorgespannt. Zur Verringerung des Montageaufwandes der Türschloßsicherung kann die Zugfeder 8 auch beidseitig am Riegel 1 befestigt werden und im Bogen um einen der Führungsbolzen 15 herumgeführt werden.The movable bolt 1 is biased by tension spring 8, which is arranged between the door 4 and the bolt 1. In order to reduce the assembly effort for the door lock securing device, the tension spring 8 can also be attached to the bolt 1 on both sides and can be guided around one of the guide bolts 15 in an arc.

In Figur 2 ist die erfindungsgemäße Vorrichtung an der Tür 4 und dem Türrahmen 5 montiert von innen zu sehen. Dabei hintergreift der Riegel 1 das Riegelwiderlager 16. Der Riegel 1 ist in den Langlöchern 14 in Öffnungsrichtung 11 und Schließrichtung 10 verschiebbar auf Führungsbolzen 15 angeordnet, die an der Tür 4 befestigt sind. In seiner Offenstellung 17 nimmt der Riegel 1 die in Figur 2 auf der linken Seite gestrichelt dargestellte Stellung ein und gibt das Riegelwiderlager 16 frei.In Figure 2, the device according to the invention on the door 4 and the door frame 5 is seen from the inside. The bolt 1 engages behind the bolt abutment 16. The bolt 1 is arranged in the elongated holes 14 in the opening direction 11 and closing direction 10 so as to be displaceable on guide bolts 15 which are fastened to the door 4. In its open position 17, the bolt 1 assumes the position shown in dashed lines in FIG. 2 on the left side and releases the bolt abutment 16.

Die verdeckt hinter dem Riegel 1 angeordnete Feder 8 spannt den Riegel 1 in Öffnungsrichtung 11 vor.The spring 8, which is concealed behind the bolt 1, biases the bolt 1 in the opening direction 11.

Der Riegel 1 ist parallel zur Türblattebene und unmittelbar vor dem Türschloß 2 in einer Position angeordnet, so daß das Schlüsselloch 6 hinter dem Riegel 1 liegt. Eine Öffnung 7 im Riegel 1 legt das Schlüsselloch 6 des Türchlosses 2 in der Verriegelungsstellung 12 des Riegels 1 frei. Der in das Schlüsselloch 6 eingezteckte Schlüssel 3 hält den Riegel 1 in Verriegelungsstellung 12 gegen die in Öffnungsrichtung 11 wirkende Federkraft der Zugfeder 8.The bolt 1 is arranged parallel to the door leaf level and immediately in front of the door lock 2 in a position so that the keyhole 6 lies behind the bolt 1. An opening 7 in the bolt 1 exposes the keyhole 6 of the door lock 2 in the locking position 12 of the bolt 1. The key 3 inserted into the keyhole 6 holds the bolt 1 in the locking position 12 against the spring force of the tension spring 8 acting in the opening direction 11.

Die Öffnung 7 weist im wesentlichen eine halbkreisförmige Kontur auf. Die im wesentlichen geradlinige Grundlinie des Halbkreises ist in einem spitzen Winkel α zur Lotrechten 13 angeordnet und bildet eine Anlagekante 9, an dem die seitliche Schlüsselfläche des Schlüssels 3 zur Anlage kommt.The opening 7 essentially has a semicircular contour. The essentially straight baseline of the semicircle is arranged at an acute angle α to the perpendicular 13 and forms a contact edge 9 on which the lateral key surface of the key 3 comes to rest.

Die Funktionsweise der erfindungsgemäßen Türschloßsicherung wird im folgenden anhand des Ausführungsbeispiels erläutert.The operation of the door lock security device according to the invention is explained below with reference to the embodiment.

In geöffneter Stellung des Riegels 1, d.h. bei nicht eingestecktem Schlüssel 3, wird der Riegel 1 durch die Zugfeder 8 vorgespannt in Offenstellung gehalten. Die Tür 4 kann normal geöffnet und geschlossen werden.In the open position of bolt 1, i.e. when the key 3 is not inserted, the bolt 1 is biased in the open position by the tension spring 8. The door 4 can be opened and closed normally.

Zur Aktivierung der Türschloßsicherung wird nach dem Schließen der Tür 4 der Riegel 1 gegen die Kraft der Feder 8 in Verriegelungsstellung 12 gebracht. Dabei legt Öffnung 7 das Schlüsselloch 6 des Türschlosses 2 frei, so daß der Bewohner den Türschlüssel 3 in das Schlüsselloch 6 einstecken kann. Sobald der Riegel 1 losgelassen wird, hält der in das Schlüsselloch 6 eingesteckte Schlüssel 3 den Riegel in der Verregelungsstellung 12. Dabei hintergreift der Riegel 1 das Riegelwiderlager 16. Die Wohnungstür 4 kann nun nicht mehr geöffnet werden, da Riegel 1 mit Widerlager 16 die Tür verriegelt.To activate the door lock security, after closing the door 4, the bolt 1 is brought into the locking position 12 against the force of the spring 8. Opening 7 exposes the keyhole 6 of the door lock 2 so that the resident can insert the doorkey 3 into the keyhole 6. As soon as the bolt 1 is released, the key 3 inserted into the keyhole 6 holds the bolt in the regulation position 12. The bolt 1 engages behind the bolt abutment 16. Die Apartment door 4 can no longer be opened because bolt 1 with abutment 16 locks the door.

Die Öffnung 7 in Riegel 1 ist so geformt, daß der in Schlüsselloch 6 eingesteckte Schlüssel 3 gedreht werden kann, wobei der Riegel 1 lediglich kleine oszillierende Bewegungen ausführt, im übrigen aber in seiner das Riegelwiderlager 16 hintergreifenden Verriegelungsstellung 12 verbleibt.The opening 7 in the bolt 1 is shaped so that the key 3 inserted into the keyhole 6 can be rotated, the bolt 1 only executing small oscillating movements, but otherwise remaining in its locking position 12 engaging behind the bolt abutment 16.

Durch die Kraft der Feder legt sich der Schlüssel 3 mit seiner flachen Seitenfläche an die Anlagekante 9 der Öffnung 7 und wird in einer um den Winkel α zur Lotrechten 13 verdrehten Stellung im Türschloß 2 gehalten. In dieser Stellung ist aber der Schlüssel 3 in handelsüblichen Zylinderschlössern nicht abziehbar. Somit bildet die erfindungsgemäße Türschloßsicherung auch eine Sicherung vor versehentlichem Herausfallen des Schlüssels 3. Ferner ist in dieser Schlüsselstellung auch ein Herausdrücken des in das Schlüsselloch 6 eingesteckten Schlüssels 3 unmöglich, so daß die Sicherheit gegen Einbrüche verbessert wird.Due to the force of the spring, the key 3 lies with its flat side surface against the contact edge 9 of the opening 7 and is held in the door lock 2 in a position rotated by the angle α to the vertical 13. In this position, the key 3 cannot be removed in commercially available cylinder locks. Thus, the door lock security device according to the invention also provides security against inadvertent falling out of the key 3. Furthermore, in this key position, it is also impossible to push out the key 3 inserted into the keyhole 6, so that security against break-ins is improved.

Diese Sicherheitsstellung des Schlüssels 3 wird durch die Form der Öffnung 7 und die ständig in Öffnungsrichtung 11 auf den Riegel 1 wirkende Zugkraft der Feder 8 weitgehend selbsttätig eingenommen. Will man nun das Haus verlaseen, so muß zur Entriegelung der Tür zunächst der Haustürschlüssel 3 aus dem Türschloß 2 herausgezogen werden. Erst dann kann die Tür geöffnet werden. Das Vergessen des Haustürschlüssels wird somit unwahrscheinlich.This security position of the key 3 is largely assumed automatically by the shape of the opening 7 and the tensile force of the spring 8 which acts constantly on the bolt 1 in the opening direction 11. If you now want to leave the house, the front door key 3 must first be pulled out of the door lock 2 to unlock the door. Only then can the door be opened. Forgetting the front door key is therefore unlikely.

Sollte jedoch der Schlüssel 3 bei geöffneter Tür im Türschloß 2 stecken, so läßt sich die Tür 4 weder willentlich noch versehentlich schließen, da der Riegel 1 durch den eingesteckten Schlüssel 3 in seiner Verriegelungsstellung 12 gehalten ist. Somit wirkt die erfindungsgemäße Türschloßsicherung auch als eine zuverlässige Ausschließsperre.However, if the key 3 is inserted in the door lock 2 when the door is open, the door 4 can neither be closed intentionally nor accidentally, since the bolt 1 is held in its locking position 12 by the inserted key 3. The door lock security device according to the invention thus also acts as a reliable exclusion lock.

In Figur 3 ist eine weitere Ausführungsform der erfindungsgemäßen Türschloßsicherung an Tür 4 und Türrahmen 5 montiert dargestellt. Riegel 1 ist in Langlöchern 14 auf an der Tür 4 befestigten Führungsbolzen 15 in Öffnungsrichtung 11 und Schließrichtung 10 verschiebbar angeordnet.FIG. 3 shows another embodiment of the door lock security device according to the invention mounted on door 4 and door frame 5. Bolt 1 is slidably arranged in elongated holes 14 on guide bolts 15 fastened to the door 4 in the opening direction 11 and closing direction 10.

Die Führungsbolzen 15 sind auf nicht dargestellten Sockelplatten angeordnet. Damit wird die nachträglich Montage vereinfacht, beispielsweise lassen sich die Sockel mit dem Türblatt verkleben. Durch Verändern der Sockelhöhe laßt sich vorteilhaft die Einbaulänge der Riegel 1 einstellen. Ferner wird die auf den Führungsbolzen 15 wirkende Last großflächig von der Tür 4 aufgenommen. Ein Ausbrechen des Führungsbolzens wird vermieden. Insbesondere eignet sich diese Befestigungsart für Glastüren oder Türen aus anderen empfindlichen Materialien.The guide bolts 15 are arranged on base plates, not shown. This simplifies subsequent assembly, for example the base can be glued to the door leaf. By changing the base height, the installation length of the latch 1 can advantageously be adjusted. Furthermore, the load acting on the guide pin 15 is absorbed over a large area by the door 4. A breakout of the guide pin is avoided. This type of fastening is particularly suitable for glass doors or doors made of other sensitive materials.

Die Langlöcher 14 sind zur Horizontalen geneigt angeordnet, so daß der Riegel 1 in Öffnungsrichtung 11 schwerkraftbelastet ausgebildet ist. In dargestellter Verriegelungsstellung hintergreift der Riegel 1 ein Riegelwiderlager 16, das am Türrahmen 5 befestigt ist. In Verriegelungsstellung 12 ist ein Schlüsselloch 6 unterhalb des Riegels 1 freigelegt. Bei in das Schlüsselloch 6 eingestecktem Schlüssel 3 wird der Riegel 1 in seiner Verriegelungsstellung 12 gehalten. Wird der Schlüssel aus dem Schlüsselloch 6 gezogen, rutscht der Riegel 1 in Öffnungsrichtung 11 in seinen Langlöchern 14 auf den Führungsbolzen 15 in Offenstellung 17, die in unterbrochener Linie dargestellt ist. Das Schlüsselloch 6 ist dann vom Riegel 1 größtenteils überdeckt. Soll der Schlüssel 3 eingesteckt werden, muß der Riegel manuell in Schließrichtung 10 geschoben werden, womit Schlüsselloch 6 freigelegt wird.The elongated holes 14 are arranged inclined to the horizontal, so that the bolt 1 is formed in the opening direction 11 under gravity. In the locking position shown, the bolt 1 engages behind a bolt abutment 16 which is fastened to the door frame 5. In the locking position 12, a keyhole 6 is exposed below the bolt 1. When the key 3 is inserted into the keyhole 6, the bolt 1 is held in its locking position 12. If the key is pulled out of the keyhole 6, the bolt 1 slides in the opening direction 11 in its elongated holes 14 onto the guide bolt 15 in the open position 17, which is shown in broken lines. The keyhole 6 is then largely covered by the bolt 1. If the key 3 is to be inserted, the bolt must be pushed manually in the closing direction 10, whereby the keyhole 6 is exposed.

BEZUGSZEICHENLISTEREFERENCE SIGN LIST

11
Riegelbars
22nd
TürschloßDoor lock
33rd
Schlüsselkey
44th
Türdoor
55
TürrahmenDoor frame
66
Schlüssellochkeyhole
77
Öffnungopening
88th
ZugfederTension spring
99
AnlagekanteContact edge
1010th
SchließrichtungClosing direction
1111
ÖffnungsrichtungOpening direction
1212
VerriegelungsstellungLocking position
1313
LotrechtePlumb
1414
LanglochLong hole
1515
FührungsbolzenGuide pin
1616
RiegelwiderlagerBolt abutment
1717th
OffenstellungOpen position

Claims (9)

Türschloßsicherung, insbesondere für Wohnungstüren, mit einem Anbauteil, das mit einem Schlüssel (3) des Türschlosses (2) wechselwirkend ausgebildet ist, dadurch gekennzeichnet, daß das Anbauteil als Riegel (1) mit einer Verriegelungs- und Offenstellung ausgebildet ist, wobei der Riegel selbsttätig die Offenstellung (17) einnehmend ausgebildet ist und in seiner Verriegelungsstellung (12) vom Schlüssel (3) feststellbar ist.Door lock security, in particular for apartment doors, with an attachment that is designed to interact with a key (3) of the door lock (2), characterized in that the attachment is designed as a bolt (1) with a locking and open position, the bolt automatically the open position (17) is designed to be engaging and can be locked in its locking position (12) by the key (3). Türschloßsicherung nach Anspruch 1, dadurch gekennzeichnet, daß der Riegel (1) das Schlüsselloch (6) des Türschlosses (2) wenigstens teilweise überdeckt und in Verriegelungsstellung (12) das Schlüsselloch (6) freilegt.Door lock security device according to claim 1, characterized in that the bolt (1) at least partially covers the keyhole (6) of the door lock (2) and exposes the keyhole (6) in the locking position (12). Türschloßsicherung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Riegel (1) zur Einnahme der Offenstellung (17) von einer Feder (8) in Öffnungsrichtung (10) vorgespannt ist.Door lock security device according to claim 1 or 2, characterized in that the bolt (1) is biased in the opening direction (10) by a spring (8) to take the open position (17). Türschloßsicherung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Riegel (1) zur Einnahme der Offenstellung (17) in der Öffnungsrichtung (10) schwerkraftbelastet ist, indem der Massenschwerpunkt des Riegels (1) bei Verschiebung in Öffnungsrichtung (10) eine nach unten gerichtete Bewegungskomponete aufweist.Door lock lock according to claim 1 or 2, characterized in that the bolt (1) for taking the open position (17) in the opening direction (10) is subjected to gravity by the center of gravity of the bolt (1) when it is moved into Opening direction (10) has a downward movement component. Türschloßsicherung nach Anspruch 2, 3 oder 4, dadurch gekennzeichnet, daß der Riegel eine Öffnung (7) aufweist, die in Verriegelungsstellung (12) des Riegels (1) das Schlüsselloch (6) freilegt.Door lock security device according to claim 2, 3 or 4, characterized in that the bolt has an opening (7) which exposes the keyhole (6) in the locking position (12) of the bolt (1). Türschloßsicherung für Türen mit Zylinderschloß nach Anspruch 2, 3, 4 oder 5, dadurch gekennzeichnet, daß die Öffnung (7) im wesentlichen halbkreisförmigen Querschnitt mit einer Anlagekante (9) für den Schlüssel (3) aufweist.Door lock security for doors with cylinder lock according to claim 2, 3, 4 or 5, characterized in that the opening (7) has a substantially semicircular cross section with a contact edge (9) for the key (3). Türschloßsicherung nach Anspruch 6, dadurch gekennzeichnet, daß die Anlagekante (9) einen spitzen Winkel α mit der Lotrechten (13) bildet.Door lock security device according to claim 6, characterized in that the contact edge (9) forms an acute angle α with the vertical (13). Türschloßsicherung nach Anspruch 1, 2, 3, 4, 5, 6 oder 7, dadurch gekennzeichnet, daß der Riegel (1), vorzugsweise in Langlöchern (14), von an der Tür (4) angeordneten Führungsbolzen (15) geführt ist.Door lock security according to claim 1, 2, 3, 4, 5, 6 or 7, characterized in that the bolt (1), preferably in elongated holes (14), is guided by guide bolts (15) arranged on the door (4). Türschloßsicherung nach Anspruch 1, 2, 3, 4, 5, 6, 7 oder 8, dadurch gekennzeichnet, daß sie ein Riegelwiderlager (16) aufweist, das auf dem Türrahmen (5) montierbar ausgebildet ist, vorzugsweise als Haken oder U-Profilblech.Door lock security according to claim 1, 2, 3, 4, 5, 6, 7 or 8, characterized in that it has a bolt abutment (16) which is designed to be mountable on the door frame (5), preferably as a hook or U-shaped sheet metal.
EP93103738A 1992-03-17 1993-03-09 Door provided with a safety device for its lock Expired - Lifetime EP0561254B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4208910A DE4208910C2 (en) 1992-03-17 1992-03-17 Door lock security
DE4208910 1992-03-17

Publications (2)

Publication Number Publication Date
EP0561254A1 true EP0561254A1 (en) 1993-09-22
EP0561254B1 EP0561254B1 (en) 1997-01-02

Family

ID=6454511

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93103738A Expired - Lifetime EP0561254B1 (en) 1992-03-17 1993-03-09 Door provided with a safety device for its lock

Country Status (3)

Country Link
EP (1) EP0561254B1 (en)
AT (1) ATE147123T1 (en)
DE (1) DE4208910C2 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2711388A1 (en) * 1993-10-18 1995-04-28 Rochman Henri Automatic locking device, with stored energy, for doors
FR2725470A1 (en) * 1994-10-05 1996-04-12 Rochman Henri Door lock with several bolts at different heights
EP0774557A1 (en) * 1995-11-15 1997-05-21 MELCHERT BESCHLÄGE GMBH &amp; CO. KG Additional fitting for windows, doors or the like
FR2918691A1 (en) * 2007-07-11 2009-01-16 Lionel Szleper Door opening blocking device for use in dwelling unit, has vertical movable bar raised with respect to low initial position so as to hide lock for infants, where bar is not plugged into latch in absence of key in lock
CN101899917A (en) * 2009-03-19 2010-12-01 安东尼奥·多米特·杰马耶勒 Lock key mechanism
WO2011082767A1 (en) * 2009-12-17 2011-07-14 Dorma Gmbh + Co. Kg Locking device for locking a key on a lock cylinder

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FR571424A (en) * 1923-10-03 1924-05-16 Mach Outils Et App Divers La S Tire inflator for automobiles and the like
US1760394A (en) * 1927-08-30 1930-05-27 Frank E Best Inc Catch plate for knob latches
US2004429A (en) * 1932-09-13 1935-06-11 Wesley W Eager Door locking and operating device
FR1147327A (en) * 1956-04-10 1957-11-21 Door handle inaccessible to children
CH608267A5 (en) * 1975-02-20 1978-12-29 Rolf Karpf Blocking device for a door lock
DE2544789A1 (en) * 1975-10-07 1977-04-14 Karl Barst Additional protection for safety lock on door - has pivoted plate with slots for engaging with key handle
DE2757045A1 (en) * 1977-12-21 1979-07-05 Karl Barst Rotating swivelling blocking plate for key head - is pivoted and slides on shaft preventing inadvertent blocking of key head
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2711388A1 (en) * 1993-10-18 1995-04-28 Rochman Henri Automatic locking device, with stored energy, for doors
FR2725470A1 (en) * 1994-10-05 1996-04-12 Rochman Henri Door lock with several bolts at different heights
EP0774557A1 (en) * 1995-11-15 1997-05-21 MELCHERT BESCHLÄGE GMBH &amp; CO. KG Additional fitting for windows, doors or the like
DE19542552B4 (en) * 1995-11-15 2006-01-26 Assa-Ruko Sicherheitssysteme Gmbh Additional fitting for windows or doors
FR2918691A1 (en) * 2007-07-11 2009-01-16 Lionel Szleper Door opening blocking device for use in dwelling unit, has vertical movable bar raised with respect to low initial position so as to hide lock for infants, where bar is not plugged into latch in absence of key in lock
CN101899917A (en) * 2009-03-19 2010-12-01 安东尼奥·多米特·杰马耶勒 Lock key mechanism
CN101899917B (en) * 2009-03-19 2013-07-17 安东尼奥·多米特·杰马耶勒 Lock key mechanism
WO2011082767A1 (en) * 2009-12-17 2011-07-14 Dorma Gmbh + Co. Kg Locking device for locking a key on a lock cylinder
CN102656329A (en) * 2009-12-17 2012-09-05 多玛两合有限公司 Locking device for locking a key on a lock cylinder
CN102656329B (en) * 2009-12-17 2015-02-11 多玛两合有限公司 Locking device for locking a key on a lock cylinder

Also Published As

Publication number Publication date
DE4208910A1 (en) 1993-09-23
DE4208910C2 (en) 1994-01-05
EP0561254B1 (en) 1997-01-02
ATE147123T1 (en) 1997-01-15

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