EP0509217B1 - Door lock with several bolts - Google Patents

Door lock with several bolts Download PDF

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Publication number
EP0509217B1
EP0509217B1 EP92103132A EP92103132A EP0509217B1 EP 0509217 B1 EP0509217 B1 EP 0509217B1 EP 92103132 A EP92103132 A EP 92103132A EP 92103132 A EP92103132 A EP 92103132A EP 0509217 B1 EP0509217 B1 EP 0509217B1
Authority
EP
European Patent Office
Prior art keywords
bolt
lock
lock according
latch
coupling
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.)
Expired - Lifetime
Application number
EP92103132A
Other languages
German (de)
French (fr)
Other versions
EP0509217A1 (en
Inventor
Manfred Hinz
Karl U. Zündorf
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BKS GmbH
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BKS GmbH
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Publication date
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Publication of EP0509217A1 publication Critical patent/EP0509217A1/en
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Publication of EP0509217B1 publication Critical patent/EP0509217B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05CBOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C9/00Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
    • E05C9/02Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with one sliding bar for fastening when moved in one direction and unfastening when moved in opposite direction; with two sliding bars moved in the same direction when fastening or unfastening
    • E05C9/025Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with one sliding bar for fastening when moved in one direction and unfastening when moved in opposite direction; with two sliding bars moved in the same direction when fastening or unfastening with pins engaging slots
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/06Controlling mechanically-operated bolts by electro-magnetically-operated detents
    • E05B47/0676Controlling mechanically-operated bolts by electro-magnetically-operated detents by disconnecting the handle
    • E05B47/0684Controlling mechanically-operated bolts by electro-magnetically-operated detents by disconnecting the handle radially
    • E05B47/0692Controlling mechanically-operated bolts by electro-magnetically-operated detents by disconnecting the handle radially with a rectilinearly moveable coupling element
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00Locks or fastenings with special structural characteristics
    • E05B63/16Locks or fastenings with special structural characteristics with the handles on opposite sides moving independently
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05CBOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C9/00Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
    • E05C9/02Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with one sliding bar for fastening when moved in one direction and unfastening when moved in opposite direction; with two sliding bars moved in the same direction when fastening or unfastening
    • E05C9/021Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with one sliding bar for fastening when moved in one direction and unfastening when moved in opposite direction; with two sliding bars moved in the same direction when fastening or unfastening with rack and pinion mechanism
    • E05C9/023Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with one sliding bar for fastening when moved in one direction and unfastening when moved in opposite direction; with two sliding bars moved in the same direction when fastening or unfastening with rack and pinion mechanism between a lock cylinder and the bar
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0002Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00Locks or fastenings with special structural characteristics
    • E05B63/18Locks or fastenings with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position
    • E05B63/20Locks or fastenings with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position released automatically when the wing is closed
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05CBOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C9/00Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
    • E05C9/18Details of fastening means or of fixed retaining means for the ends of bars
    • E05C9/1825Fastening means
    • E05C9/1875Fastening means performing pivoting movements

Definitions

  • the invention relates to a multi-bolt door lock which has a mortise lock case provided with a key and handle actuation with a lock bolt which can be laterally extended therefrom by means of a key actuation, and furthermore has a spring rod drive rod which can be moved upwards out of the door leaf and which is retracted by actuating the push nut and to be locked in its retracted position by a switch latch, which is to be disengaged in the closed position of the leaf by hitting the fixed door frame and thereby releasing the espagnolette bolt for its extension movement.
  • a multi-bolt door lock of the above type is known as a special fire door lock from DE-B-1 062 143.
  • its lock bolt which can only be extended and retracted linearly by actuating the external key, it also has a lock latch which is mounted in the lock case and which, together with the additionally sprung ends of the upper drive bolt rod which act as rod latches, as well as a lower drive bolt rod which is still present, can be inserted by an external lever actuation, one of which three latches in their retracted position latch is arranged in the lock case and protrudes from the lock faceplate.
  • a disadvantage of the known three-latch locks is that the door closer must push in all three lock latches towards the end of the door closing movement, so that it must be designed for a correspondingly strong closing force, which, however, in turn prevents easy opening of the door leaf.
  • the known three-latch locks require both inside and outside actuation in order to be able to retract the three latch latches against their spring forces at all.
  • the fixed button preferred for reasons of increased security against burglary on the outside of the door wing, which is provided instead of an external key actuation, is not practicable with the known three-latch locks.
  • the invention has for its object to improve a multi-bolt door lock of the type mentioned in such a way that it has the widest possible, common extension and retraction stroke of the lock bolt and driving bolt rod while avoiding a special lock latch and yet with as little friction as possible deflection of the movement in the lock necessary deflection parts only requires key actuation from the outside. Furthermore, the switch latch which locks the latches in their retracted position should be arranged in such a way that it is difficult to access by hand and corresponding incorrect operations are avoided.
  • the multi-bolt door lock obtained in this way can also be used with particular advantage for double-leaf doors, where it is attached to the active leaf, which, thanks to its overlap, allows the passive leaf to be kept in the closed position, so that no special locking parts are required on the latter.
  • the lock bolt is designed as a one-armed swivel bolt, which is articulated on the one hand via a deflecting plate pivotally mounted in the lock case to the lower end of the drive rod bolt and, on the other hand, drive-connected via an angle lever with the latter, which rotatably supports the follower nut.
  • the relatively long-arm swivel bolt can be extended and overtaken with comparatively little effort, which also applies to the espagnolette bolt, which as a result easily get into their closed position solely under the influence of the spring engaging the espagnolette bolt, but just as easily from inside or out External actuation of the lock can be brought back.
  • the switch latch is advantageously designed as a switching sleeve surrounding the upper end of the espagnolette bolt and provided at the top with a beveled latch end, which is accommodated together with a clamping plate encompassing the connecting rod bolt and a clamping plate spring in a lock housing fastened to the upper edge of the door.
  • Such switching latch training is known per se from DE-GM 88 16 841.
  • the angle lever used to retract the lock bolt at the same time can also be used to prevent unauthorized pushing in of the pivot bolt from the outside, in that it has a correspondingly arranged stop bolt which interacts with a locking lug on the pivot bolt.
  • the angle lever In addition to a first driving arm which interacts with the swivel bolt, the angle lever also has a second driving arm which is in drive engagement with the upper end of a slide which is adjustable in the lock case in the opposite direction to the upper connecting rod lock and with which a further lower connecting rod lock and / or a mechanism for the direct activation of the external key the lock bolt is connected.
  • the latter can consist of a rack and pinion drive to be actuated by a lock cylinder with a two-arm reversing lever connecting the rack and the slide to the opposing driver, which, in the retracted position of the lock bolt, must be pivoted into a dead center position which relieves the actuating key. With this external key actuation, an external handle can be saved and replaced with a fixed door knob.
  • an external handle actuation of the lock can also be provided.
  • the handle follower is then divided and its outer follower is engaged with the angle lever engaging the swivel bolt disengageable coupling means connected to rotary driving.
  • These coupling means can be such that they enable the coupling of the angle lever to the outer nut both mechanically, namely by means of an external key, and electrically.
  • the new multi-bolt door lock can be installed in the opening edge 1 'of the door leaf 1, for example the active leaf of a two-leaf door. It essentially consists of the mortise lock case 2 to be installed in a normal, approximately middle door height, with the lock mechanism which can be extended laterally and into a corresponding lock opening 3 on the door frame or inactive leaf 4 of a double-leaf door engaging pivot bolt 5 and further from the upwardly out of the door leaf 1 connecting rod bolt 6, the bolt end 6 'in the extended position engages in a frame 7 of the door opening.
  • the engagement depths of both bars 5.6 are comparatively large. Both bolts 5, 6 are connected to one another in terms of drive in the manner to be described further below.
  • This also includes the lower drive rod lock 9, which is adjustable in opposite directions with respect to the upper drive rod lock 6 and which can move into a corresponding locking opening in the bottom of the door.
  • the comparatively long helical compression spring 10 which engages around the locking shaft 6 ′′, engages on the upper connecting rod bolt 6 and has a comparatively weakly rising spring identification.
  • This spring 10 endeavors to press the upper connecting rod latch 6 and together with it also the swivel latch 5 and the lower connecting rod latch 9 into the extended position. So that this does not happen when the door leaf 1 is open, a switch latch 11 is arranged on the upper edge of the leaf in the area of the connecting rod bolt 6.
  • the clamping plate not shown, has a clamping eye encompassing the connecting rod latch 6, with which it is able to clamp the connecting rod latch end 6 'in any latch-retracted position under the action of the clamping plate spring, but when the beveled latch end 11' strikes the upper door frame 7 by the switching sleeve pressed thereby is pivoted into the release position in which it releases the upper connecting rod latch 6 and thus also the latches 5 and 9 which are in drive connection with it for its extension movement.
  • the swivel bolt 5 is of the type shown in particular in FIGS. 3 and 4. It is designed as a long one-armed lever and has an approximately boot-like Profile with the comparatively long locking shaft 5 'mounted at its upper end on a bearing bolt 13 fastened on the lock case side and the extendable locking shoe 5''located at the lower end thereof.
  • the swivel bolt 5 is connected on the one hand via the deflection plate 15, which is pivotably mounted in the lock case at the point 14, to the lower end 6 '''of the drive rod bolt 6 and, on the other hand, via the angle lever 16 to the latter, which rotatably supports the follower nut 17.
  • the deflection plate 15 forms a substantially horizontally located one-armed connecting lever, the pivot bearing point 14 on the lock case side being located at a distance below the pivot bearing point 13 of the pivot bolt 5.
  • the driver pin 15 ' which is displaceable in the elongated hole 5''', sits on the deflection plate 15, while the deflection plate 15 is fork-shaped at its end 15 '' facing away from the pivot bearing point 14 and with the fork slot 15 ''''over the lower connecting rod locking end 6''''Existing driver pin 6 IV takes hold.
  • the lower end 6 '''of the espagnolette bolt 6 is also provided with a guide slot 6 V with which it engages around the guide sleeve 18 passing through the lock case 2.
  • the angle lever 16 is freely rotatably supported on the nut 17, which is under the action of the handle holding spring 19. It has a driver edge 16 'which interacts with the follower projection 17' and a first driver arm 16 '' which bears against a driver pin 20 arranged on the inside on the swivel bar shoe 5 ''.
  • a locking pin 21 is also provided on the driving arm 16 ′′ of the angle lever 16, which interacts with a locking lug 22 provided at the lower inner end of the swivel locking shoe 5 ′′.
  • the locking lug 22 is shaped in such a way that, in cooperation with the locking pin 21, it prevents the pivot bolt 5 from being pushed in from the outside, as can be seen in particular in FIG. 10.
  • the bevel on the locking lug 22, which engages over the locking bolt 21 in the locking position, ensures that the angle lever 16 is not pivoted further clockwise when the force acting on the swivel locking shoe 5 '' in the direction of arrow C, but is blocked against it.
  • a second driving arm 16 ''' which is in drive engagement with the upper end of a slide 23 which is adjustable in the lock case 2 in the opposite direction to the upper connecting rod bolt 6.
  • This slide 23 is guided vertically displaceably to a limited extent via the guide bolts 24 penetrating its guide slots 23 'and fastened on the lock case side.
  • a driver pin 25 which engages in the fork slot 16 IV on the angle lever 16 and thereby ensures the corresponding driving connection between these parts.
  • the lower connecting rod latch 9 can be fastened.
  • the slider 23 also has another essential function, since it ensures the direct actuation of the external key of the lock bolt.
  • the mechanism for this consists of a rack and pinion drive 26 to be actuated by the lock cylinder 25 and a two-armed reversing lever 28 which connects the rack 27 to the slide 23 in the opposite direction.
  • the rack 27 is in direct engagement with the lock cylinder core 25 'which is arranged concentrically with the lock cylinder core 25' and by its lock bit 25 ′′ to be rotated pinion 29.
  • This pinion 29 is partially encompassed by the crescent-shaped guide arch 30, which is able to hold the pinion 29 in its installed position even when the locking cylinder 25 is removed.
  • the guide bow 30 can be made of plastic and be supported on the forend screw 31 securing the built-in locking cylinder 25.
  • the deflection lever 28 is designed as a two-armed lever and can be pivoted about the pivot bearing pin 32 fastened on the lock case side.
  • the driver pin 27 'resting on the upper end of the rack 27 slides on it, while the shorter deflection lever arm is provided with two driver teeth 28', which cooperate or cooperate with two driver teeth 23 '' arranged on the slide 23 are connected in terms of drive.
  • the deflection lever 28 is designed such that in the retracted position of the lock bolt according to FIG. 6 it reaches a dead center position with respect to the driving bolt 27 'on the rack 27, in which the external actuating key 33 inserted in the locking cylinder 25 completely counteracts the force of the spring 10 is relieved.
  • the rack and pinion drive 26 and the bellcrank 28 and its transmission ratio result in particularly favorable power transmission ratios for the fetching of the lock bolts 5, 6 and 9 via the external operating key 33, so that only a comparatively small amount of adjustment force is required on the latter.
  • the new multi-bolt lock is also perfectly suitable for external lever actuation.
  • the follower nut can be divided according to FIGS. 13, 14, that is to say it has an inner follower nut 17i and an outer nut 17a separated therefrom by an intermediate disk 17z. While the inner follower 17i is to be coupled with the angular lever 16 movably mounted on the lever follower via the nut projection 17 'and the driving edge 16' on the angular lever, a coupling piece 35 is attached to the angular lever 16 on the latter for any coupling radially displaceable.
  • the coupling slide 40 shown in FIGS. 7 to 9 is used to actuate the coupling piece 35.
  • this is provided with an arcuate control edge 40 'which acts on the driver pin 35' present on the coupling piece 35 in the raised position of the coupling slide 40 and thereby can bring the coupling piece into the aforementioned coupling position according to FIG. 9.
  • the coupling slide 40 has a driving arm 40 '' with which it projects into the orbit of the locking bit 25 '' present on the locking cylinder 25, so that the slide 40 here in its raised position as shown in FIG .8 can be brought, in which he can bring the coupling piece 35 into coupling engagement with the driving lug 17a 'present on the outer follower nut 17a.
  • a retaining pawl 42 is mounted on the pivot bearing pin 41 fastened on the lock case side, which is under the action of the loop spring 43 which is looped around the pin 41 and has one end on the driving arm 40 '. 'of the clutch slide 40 and with its other end on the cuff-angled edge 42' of the retaining pawl.
  • An actuating button 44 accessible on the lock face is provided on the holding pawl 42. The actuating button 44 can be used to pivot the holding pawl 42 in the high position of the coupling slide 40 shown in FIG.
  • the clutch slide 40 can also be raised in another way, for example also electrically, to move the clutch piece 35 in its engagement position.
  • an externally actuable electromagnet 45 can be installed in the lock case 2, the pivotable armature 46 of which can engage the coupling slide 40, for example also its locking nose 40 ′′ ′′.
  • a small electric adjustment motor could also be installed, which can be actuated from the outside and is thereby able to shift the clutch slide 40 into its engagement position, which is raised in FIGS. 8 and 9.
  • the clutch slider 40 can be guided vertically in the lock case 2 via the guide slots 40 IV and the lock bolts fixed to it in the lock case as well as the slide 23. It is understood that the lower guide pin 24 also functions as the pivot pin 41 for the retaining pawl 42 can take over.
  • the latter is provided in the extendable region of its swivel bolt shoe 5 ′′ with locking surfaces 5 IV , which are inclined on both sides and which preferably consist of a suitable metal sheet lying on an intermediate plastic support body 5 v .
  • This not only reduces the friction when the swivel bolt shoe 5 ′′ extends from the striking plate 3 provided on the door frame or passive leaf, but it can also additionally achieve a better tightening of the door leaf against the seal surrounding it.

Abstract

A multi-bolt door lock possesses a mortise lock case (2) provided with key and handle actuation and having a lock bolt (5) laterally extendable from this and a further espagnolette bolt (6) which can be extended upwards out of the door leaf (1) and is under the effect of a spring (10) and which is to be retracted as a result of the actuation of the handle follower (17) and detained in its retracted position by a shift latch (11) which, in the closing position of the leaf, is to be disengaged by striking against the fixed door frame (7) and thereby releases the espagnolette bolt (6) for its extension movement. In order to bring about especially deep locking engagements in the closing position of the door leaf with comparatively little effort from outside, especially also simply by actuating an outer key, and prevent the possibility of maloperations of the shift latch, the lock bolt (5) and the espagnolette bolt (6) are connected to one another in drive terms and are to be adjusted jointly with a comparatively large stroke by inner-handle and outer-key actuation, the shift latch (11) being arranged on the leaf top edge in the exit region of the espagnolette bolt (6). The lock bolt (5) is advantageously designed as a one-armed pivoting bolt. <IMAGE>

Description

Die Erfindung bezieht sich auf ein Mehrriegel-Türschloß, das einen mit Schlüssel- und Drückerbetätigung versehenen Einsteck-Schloßkasten mit daraus durch Schlüsselbetätigung seitlich ausfahrbarem Schloßriegel sowie weiterhin einen nach oben aus dem Türflügel herausfahrbaren, unter Federwirkung stehenden Treibstangenriegel aufweist, der durch Betätigen der Drükkernuß einzufahren und in seiner eingefahrenen Stellung durch eine Schaltfalle zu arretieren ist, die in der Schließstellung des Flügels durch Auftreffen auf den festen Türrahmen auszurücken ist und dadurch den Treibstangenriegel für seine Ausfahrbewegung freigibt.The invention relates to a multi-bolt door lock which has a mortise lock case provided with a key and handle actuation with a lock bolt which can be laterally extended therefrom by means of a key actuation, and furthermore has a spring rod drive rod which can be moved upwards out of the door leaf and which is retracted by actuating the push nut and to be locked in its retracted position by a switch latch, which is to be disengaged in the closed position of the leaf by hitting the fixed door frame and thereby releasing the espagnolette bolt for its extension movement.

Ein Mehrriegel-Türschloß obiger Art ist als Spezial-Feuerschutztürschloß durch die DE-B-1 062 143 bekannt. Außer seinem nur durch Außenschlüsselbetätigung linear aus- und einzufahrenden Schloßriegel besitzt es noch eine im Schloßkasten gelagerte Schloßfalle, die zusammen mit den zusätzlich abgefederten und somit als Stangenfallen wirkenden Enden der oberen Treibriegelstange sowie einer weiterhin vorhandenen unteren Treibriegelstange durch eine Außendrückerbetätigung einzufahren ist, wobei eine diese drei Fallen in ihrer eingefahrenen Stellung haltende Schaltfalle im Schloßkasten angeordnet ist und schloßstulpseitig daraus herausragt. Dadurch kann es aber bei offener Tür zu zufälligem bzw. unerwünschtem Eindrücken der Schaltfalle kommen, so daß die Fallen nicht erst in der Schließstellung des Türflügels ausfahren. Bei Verwendung dieses Feuerschutztürschlosses an zweiflügeligen Türen bietet es den Vorteil, daß sich der sonst übliche, am feststehenden Flügel vorgesehene, von innen zu betätigende Treibriegelverschluß erübrigt.A multi-bolt door lock of the above type is known as a special fire door lock from DE-B-1 062 143. In addition to its lock bolt, which can only be extended and retracted linearly by actuating the external key, it also has a lock latch which is mounted in the lock case and which, together with the additionally sprung ends of the upper drive bolt rod which act as rod latches, as well as a lower drive bolt rod which is still present, can be inserted by an external lever actuation, one of which three latches in their retracted position latch is arranged in the lock case and protrudes from the lock faceplate. This can, however, result in accidental or undesired pressing of the switch latch when the door is open, so that the latches do not extend until the door leaf is in the closed position. When using this fire protection door lock on double-leaf doors, it offers the advantage that the otherwise usual, provided on the fixed wing, to be operated from the inside bolt lock is unnecessary.

Speziell für Brandschutztüren werden auch andere, z.B. nach DIN 18250 Teil 2 bekannte Dreifallenschlösser verwendet, und das hauptsächlich deswegen, weil Brandschutztüren sich bei einseitiger Erwärmung insbesondere an der oberen Türflügelecke aus der Zarge herausbewegen. Das hier vorhandene obere Fallenschloß soll das verhindern. Diese Dreifallenschlösser besitzen aber aufgrund der üblichen Türmaße nur verhältnismäßig kurze, nämlich maximal bis nur 12 mm herausragende Fallen, die im übrigen wegen ihrer Schrägausbildung auch leicht manipuliert, beispielsweise durch Unbefugte mittels einer Einsteckkarte leicht in den Schloßkasten zurückgedrückt werden können, sofern nicht zusätzliche sperrende Hilfsfallen vorhanden sind. Nachteilig ist bei den bekannten Dreifallenschlössern weiterhin, daß der Türschließer gegen Ende der Türschließbewegung alle drei Schloßfallen hereindrücken muß, so daß er auf eine entsprechend starke Schließkraft ausgelegt sein muß, die aber wiederum einem leichten Öffnen des Türflügels entgegensteht. Schließlich erfordern die bekannten Dreifallenschlösser sowohl eine Innen- als auch Außendrückerbetätigung, um die drei Schloßfallen gegen ihre Federkräfte überhaupt einfahren zu können. Der aus Gründen erhöhter Einbruchssicherheit auf der Außenseite des Türflügels bevorzugte, anstelle einer Außenschlüsselbetätigung vorgesehene feststehende Knopf ist bei den bekannten Dreifallenschlössern nicht praktikabel.Others are also specially designed for fire protection doors, e.g. Known three-latch locks used in accordance with DIN 18250 Part 2, mainly because fire protection doors move out of the frame, especially when they are heated on one side, at the upper corner of the door leaf. The upper latch lock provided here should prevent this. However, due to the usual door dimensions, these three-latch locks only have relatively short latches, which can only protrude up to a maximum of 12 mm, which due to their oblique design can also be easily manipulated, for example by unauthorized persons, easily pushed back into the lock case by means of a plug-in card, unless additional locking auxiliary latches are used available. A disadvantage of the known three-latch locks is that the door closer must push in all three lock latches towards the end of the door closing movement, so that it must be designed for a correspondingly strong closing force, which, however, in turn prevents easy opening of the door leaf. Finally, the known three-latch locks require both inside and outside actuation in order to be able to retract the three latch latches against their spring forces at all. The fixed button preferred for reasons of increased security against burglary on the outside of the door wing, which is provided instead of an external key actuation, is not practicable with the known three-latch locks.

Der Erfindung liegt die Aufgabe zugrunde, ein Mehrriegel-Türschloß der eingangs erwähnten Gattung dahingehend zu verbessern, daß es unter Vermeidung einer besonderen Schloßfalle einen möglichst weiten, gemeinsamen Aus- und Einfahrhub von Schloßriegel und Treibriegelstange besitzt und dennoch bei möglichst reibungsarmer Bewegungsumlenkung der dazu im Schloß notwendigen Umlenkteile dafür lediglich eine Schlüsselbetätigung von außen erfordert. Weiterhin soll dabei die die Riegel in ihrer eingefahrenen Stellung arretierende Schaltfalle so angeordnet sein, daß sie für Handbedienung schwer zugänglich ist und damit entsprechende Fehlbedienungen vermieden werden.The invention has for its object to improve a multi-bolt door lock of the type mentioned in such a way that it has the widest possible, common extension and retraction stroke of the lock bolt and driving bolt rod while avoiding a special lock latch and yet with as little friction as possible deflection of the movement in the lock necessary deflection parts only requires key actuation from the outside. Furthermore, the switch latch which locks the latches in their retracted position should be arranged in such a way that it is difficult to access by hand and corresponding incorrect operations are avoided.

Diese Aufgabe wird ausgehend von einem Mehrriegel-Schloß der eingangs beschriebenen Art erfindungsgemäß dadurch gelöst, daß der Schloßriegel und der Treibstangenriegel antriebsmäßig miteinander verbunden und durch Innendrücker- und Außenschlüssel-Betätigung gemeinsam zu verstellen sind, und daß weiterhin die Schaltfalle an der Flügeloberkante im Austrittsbereich des Treibstangenriegels angeordnet ist. Auf diese Weise können der Schloßriegel und der Treibstangenriegel in der Schließstellung der Tür vergleichsweise weit ausgefahren und dennoch bei entsprechender Ausbildung des im Schloß untergebrachten Umlenkgetriebes mit vergleichsweise geringem Kraftaufwand eingefahren werden. Durch die Obenanordnung der die Schloßriegel in ihrer eingefahrenen Stellung arretierenden Schaltfalle ist diese gegenüber normalem Zugriff unzugänglich, wodurch Fehlauslösungen der Riegel vermieden werden können. Das so beschaffene Mehrriegel-Türschloß kann insbesondere auch für zweiflügelige Türen mit Vorteil verwendet werden, wo es auf dem Gangflügel angeschlagen wird, der durch seine Überfalzung den Standflügel in Schließstellung zu halten erlaubt, so daß es dazu keiner besonderen Verriegelungsteile an letzterem bedarf.This object is achieved on the basis of a multi-bolt lock of the type described at the outset in that the lock bolt and the connecting rod bolt are connected to one another in terms of drive and can be adjusted jointly by means of internal lever and external key actuation, and in addition the switching latch on the upper edge of the wing in the exit region of the Espagnolette bolt is arranged. In this way, the lock bolt and the espagnolette bolt can be extended comparatively far in the closed position of the door and still be retracted with comparatively little effort if the deflection mechanism accommodated in the lock is designed accordingly. Due to the top arrangement of the switching latch which locks the lock bolts in their retracted position, the latter is inaccessible with respect to normal access, as a result of which false releases of the bolts can be avoided. The multi-bolt door lock obtained in this way can also be used with particular advantage for double-leaf doors, where it is attached to the active leaf, which, thanks to its overlap, allows the passive leaf to be kept in the closed position, so that no special locking parts are required on the latter.

Als besonders vorteilhaft hat es sich erwiesen, wenn der Schloßriegel als einarmiger Schwenkriegel ausgebildet wird, der einerseits über eine im Schloßkasten schwenkbeweglich gelagerte Umlenkplatte mit dem unteren Ende des Treibstangenriegels gelenkig und andererseits über einen Winkelhebel mit der letzteren drehbeweglich abstützenden Drückernuß antriebsmäßig verbunden ist. Der verhältnismäßig langarmige Schwenkriegel kann mit vergleichsweise geringem Kraftaufwand ausgefahren und eingeholt werden, was in gleicher Weise auch für den Treibstangenriegel gilt, die dadurch zusammen allein unter dem Einfluß der am Treibstangenriegel angreifenden Feder leicht in ihre Schließstellung gelangen, daraus aber ebenso leicht durch Innen- oder Außenbetätigung des Schlosses zurückgeholt werden können. Das ist insbesondere dann der Fall, wenn die am Treibstangenende angreifende Feder aus einer den Riegelschaft weitestgehend umgebenden Schraubendruckfeder mit schwach ansteigender Federkennung besteht. Zum Einholen der Riegelteile ist daher außer deren Haftreibung lediglich noch die hier vergleichsweise geringe Federkraft zu überwinden.It has proven to be particularly advantageous if the lock bolt is designed as a one-armed swivel bolt, which is articulated on the one hand via a deflecting plate pivotally mounted in the lock case to the lower end of the drive rod bolt and, on the other hand, drive-connected via an angle lever with the latter, which rotatably supports the follower nut. The relatively long-arm swivel bolt can be extended and overtaken with comparatively little effort, which also applies to the espagnolette bolt, which as a result easily get into their closed position solely under the influence of the spring engaging the espagnolette bolt, but just as easily from inside or out External actuation of the lock can be brought back. This is particularly the case when the spring engaging the end of the connecting rod consists of a helical compression spring that largely surrounds the locking shaft with a slightly increasing spring identification. To catch up the latch parts can therefore only be overcome, in addition to their static friction, the comparatively low spring force here.

Die Schaltfalle ist vorteilhaft als das obere Ende des Treibstangenriegels umgebende, oben mit einem abgeschrägten Fallenende versehene Schaltbüchse ausgebildet, die zusammen mit einer ein den Treibstangenriegel umgreifendes Klemmauge aufweisenden Klemmplatte und einer Klemmplattenfeder in einem an der Türoberkante befestigten Schloßgehäuse untergebracht ist. Eine solche Schaltfallen-Ausbildung ist an sich durch das DE-GM 88 16 841 bekannt.The switch latch is advantageously designed as a switching sleeve surrounding the upper end of the espagnolette bolt and provided at the top with a beveled latch end, which is accommodated together with a clamping plate encompassing the connecting rod bolt and a clamping plate spring in a lock housing fastened to the upper edge of the door. Such switching latch training is known per se from DE-GM 88 16 841.

Der zum gemeinsamen Einfahren der Schloßriegel dienende Winkelhebel kann zugleich auch dazu benutzt werden, ein unbefugtes von außen erfolgendes Hereindrücken des Schwenkriegels zu verhindern, und zwar dadurch, daß er einen entsprechend angeordneten Anschlagbolzen aufweist, der mit einer am Schwenkriegel vorhandenen Sperrnase zusammenwirkt.The angle lever used to retract the lock bolt at the same time can also be used to prevent unauthorized pushing in of the pivot bolt from the outside, in that it has a correspondingly arranged stop bolt which interacts with a locking lug on the pivot bolt.

Der Winkelhebel besitzt außer einem mit dem Schwenkriegel zusammenwirkenden ersten Mitnehmerarm noch einen zweiten Mitnehmerarm, der mit dem oberen Ende eines im Schloßkasten gegenläufig zum oberen Treibstangenriegel verstellbaren Schiebers in Antriebseingriff steht, mit dem ein weiterer, unterer Treibstangenriegel und/oder ein Mechanismus für die unmittelbare Außenschlüsselbetätigung der Schloßriegel verbunden ist. Letzterer kann hierzu aus einem durch einen Schließzylinder zu betätigenden Zahnstangentrieb mit einem dessen Zahnstange mit dem Schieber auf gegenläufige Mitnehmer verbindenden zweiarmigen Umlenkhebel bestehen, der in der eingefahrenen Stellung der Schloßriegel in eine den Betätigungsschlüssel entlastende Totpunktlage zu verschwenken ist. Bei dieser Außenschlüsselbetätigung kann ein Außendrücker eingespart und durch einen festen Türknopf ersetzt werden.In addition to a first driving arm which interacts with the swivel bolt, the angle lever also has a second driving arm which is in drive engagement with the upper end of a slide which is adjustable in the lock case in the opposite direction to the upper connecting rod lock and with which a further lower connecting rod lock and / or a mechanism for the direct activation of the external key the lock bolt is connected. For this purpose, the latter can consist of a rack and pinion drive to be actuated by a lock cylinder with a two-arm reversing lever connecting the rack and the slide to the opposing driver, which, in the retracted position of the lock bolt, must be pivoted into a dead center position which relieves the actuating key. With this external key actuation, an external handle can be saved and replaced with a fixed door knob.

Nach einem weiteren Merkmal der Erfindung kann aber auch eine Außendrückerbetätigung des Schlosses vorgesehen sein. Dafür wird dann die Drückernuß geteilt und ihre Außennuß mit dem am Schwenkriegel angreifenden Winkelhebel über ein- und ausrückbare Kupplungsmittel auf Drehmitnahme verbunden. Diese Kupplungsmittel können so beschaffen sein, daß sie sowohl mechanisch, nämlich durch einen Außenschlüssel, als auch elektrisch das Ankuppeln des Winkelhebels an die Außennuß ermöglichen.According to a further feature of the invention, an external handle actuation of the lock can also be provided. For this, the handle follower is then divided and its outer follower is engaged with the angle lever engaging the swivel bolt disengageable coupling means connected to rotary driving. These coupling means can be such that they enable the coupling of the angle lever to the outer nut both mechanically, namely by means of an external key, and electrically.

Weitere Merkmale der Erfindung sind in weiteren Unteransprüchen gekennzeichnet und werden nachfolgend anhand der Zeichnungen näher beschrieben, die vorteilhafte Ausführungsbeispiele der Erfindung wiedergeben. Darin zeigen

Fig.1 und 2
Gesamtansichten des in die Öffnungskante eines Türflügels eingebauten Schlosses mit ein- bzw. ausgefahrenen Riegeln,
Fig.3 und 4
das Schloßinnere im Bereich des Schwenkriegels bei aus- bzw. eingefahrenem Schwenkriegel,
Fig.5 und 6
den zwischen Drückernuß und Schließzylinder liegenden Innenbereich des Schlosses bei aus- bzw. eingefahrenen Riegeln,
Fig.7,8 und 9
den gleichen Innenbereich des Schlosses in einer anderen, zusätzlich mit Kupplungseinbauelementen versehenen Ausführungsform in verschiedenen Schaltstellungen, wobei der untere Teil der Fig.9 eine entsprechende Draufsicht auf den Einsteck-Schloßkasten mit ausgefahrenem Schwenkriegel widergibt,
Fig.10,11 und 12
Schloß-Details in teilweise vergrößerter Darstellung,
Fig.13
einen Schnitt nach der Linie A-B der Fig.9 in vergrößerter Darstellung und
Fig.14
eine der Fig.13 entsprechende Schnittdarstellung, jedoch bei von der Außendrückernuß abgekoppeltem Winkelhebel.
Further features of the invention are characterized in further subclaims and are described in more detail below with reference to the drawings, which represent advantageous exemplary embodiments of the invention. Show in it
Fig. 1 and 2
Overall views of the lock built into the opening edge of a door leaf with the bolts inserted or extended,
Fig. 3 and 4
the inside of the lock in the area of the pivot bolt with the pivot bolt extended or retracted,
Fig. 5 and 6
the inner area of the lock between the follower and the locking cylinder when the bolts are extended or retracted,
Fig. 7,8 and 9
the same inner area of the lock in another embodiment, additionally provided with coupling installation elements, in different switching positions, the lower part of FIG. 9 showing a corresponding top view of the mortise lock case with the swivel bolt extended,
Fig. 10, 11 and 12
Castle details in a partially enlarged view,
Fig. 13
a section along the line AB of Figure 9 in an enlarged view and
Fig. 14
one of the Fig. 13 corresponding sectional view, but with the angle lever uncoupled from the outer handle.

Das neue Mehrriegel-Türschloß kann gemäß Fig.1 und 2 in die Öffnungskante 1' des Türflügels 1, beispielsweise des Gangflügels einer zweiflügeligen Tür, eingebaut sein. Es besteht im wesentlichen aus dem in normaler, etwa mittlerer Türhöhe einzubauenden Einsteck-Schloßkasten 2 mit dem daraus seitlich ausfahrbaren und in eine entsprechende Schließöffnung 3 am Türrahmen oder Standflügel 4 einer zweiflügeligen Tür eingreifenden Schwenkriegel 5 sowie weiterhin aus dem nach oben aus dem Türflügel 1 herausfahrbaren Treibstangenriegel 6, dessen Riegelende 6' in der Ausfahrstellung in eine im Zargenrahmen 7 der Tür gelegene Schließöffnung 8 greift. Die Eingrifftiefen beider Riegel 5,6 sind vergleichsweise groß. Beide Riegel 5,6 sind antriebsmäßig in der weiter unten noch zu beschreibenden Weise miteinander verbunden. Dazu gehört auch der gegenüber dem oberen Treibstangenriegel 6 gegenläufig verstellbare untere Treibstangenriegel 9, der in eine entsprechende Schließöffnung im Boden der Tür einzufahren vermag.1 and 2, the new multi-bolt door lock can be installed in the opening edge 1 'of the door leaf 1, for example the active leaf of a two-leaf door. It essentially consists of the mortise lock case 2 to be installed in a normal, approximately middle door height, with the lock mechanism which can be extended laterally and into a corresponding lock opening 3 on the door frame or inactive leaf 4 of a double-leaf door engaging pivot bolt 5 and further from the upwardly out of the door leaf 1 connecting rod bolt 6, the bolt end 6 'in the extended position engages in a frame 7 of the door opening. The engagement depths of both bars 5.6 are comparatively large. Both bolts 5, 6 are connected to one another in terms of drive in the manner to be described further below. This also includes the lower drive rod lock 9, which is adjustable in opposite directions with respect to the upper drive rod lock 6 and which can move into a corresponding locking opening in the bottom of the door.

Am oberen Treibstangenriegel 6 greift die vergleichsweise lange, den Riegelschaft 6'' umgreifende Schraubendruckfeder 10 an, die eine vergleichsweise schwach ansteigende Federkennung besitzt. Diese Feder 10 ist bestrebt, den oberen Treibstangenriegel 6 und mit ihm zusammen auch den Schwenkriegel 5 sowie den unteren Treibstangenriegel 9 in die Ausfahrstellung zu drücken. Damit das nicht bereits bei geöffnetem Türflügel 1 geschieht, ist an der Flügeloberkante im Bereich des Treibstangenriegels 6 eine Schaltfalle 11 angeordnet. Diese kann von der im DE-GM 88 16 841 beschriebenen Bauart, nämlich als das obere Ende 6' des Treibstangenriegels 6 umgebende und mit einem abgeschrägten Fallenende 11' versehene Schaltbüchse ausgebildet sein, die zusammen mit einer nicht dargestellten Klemmplatte und einer Klemmplattenfeder in dem an der Türoberkante befestigten Schloßgehäuse 12 untergebracht ist. Die nicht dargestellte Klemmplatte besitzt ein den Treibstangenriegel 6 umgreifendes Klemmauge, mit dem sie unter Wirkung der Klemmplattenfeder das Treibstangenriegelende 6' in jeder Riegel-Einfahrposition zu klemmen vermag, jedoch bei Auftreffen des abgeschrägten Fallenendes 11' auf die obere Türzarge 7 durch die dadurch hereingedrückte Schaltbüchse in Freigabestellung verschwenkt wird, in der sie den oberen Treibstangenriegel 6 und damit auch die mit ihm in Antriebsverbindung stehenden Riegel 5 und 9 für ihre Ausfahrbewegung freigibt.The comparatively long helical compression spring 10, which engages around the locking shaft 6 ″, engages on the upper connecting rod bolt 6 and has a comparatively weakly rising spring identification. This spring 10 endeavors to press the upper connecting rod latch 6 and together with it also the swivel latch 5 and the lower connecting rod latch 9 into the extended position. So that this does not happen when the door leaf 1 is open, a switch latch 11 is arranged on the upper edge of the leaf in the area of the connecting rod bolt 6. This can be of the type described in DE-GM 88 16 841, namely as the upper end 6 'of the espagnolette bolt 6 surrounding and provided with a beveled trap end 11' switching sleeve, which together with a clamping plate, not shown, and a clamping plate spring in the the door edge of the fixed lock housing 12 is housed. The clamping plate, not shown, has a clamping eye encompassing the connecting rod latch 6, with which it is able to clamp the connecting rod latch end 6 'in any latch-retracted position under the action of the clamping plate spring, but when the beveled latch end 11' strikes the upper door frame 7 by the switching sleeve pressed thereby is pivoted into the release position in which it releases the upper connecting rod latch 6 and thus also the latches 5 and 9 which are in drive connection with it for its extension movement.

Der Schwenkriegel 5 ist von der insbesondere in den Fig.3 und 4 wiedergegebenen Beschaffenheit. Er ist als langer einarmiger Hebel ausgebildet und besitzt ein etwa stiefelartiges Profil mit dem an seinem oberen Ende an einem schloßkastenseitig befestigten Lagerbolzen 13 gelagerten vergleichsweise langen Riegelschaft 5' und dem an dessen unterem Ende sitzenden ausfahrbaren Riegelschuh 5''. Der Schwenkriegel 5 ist einerseits über die im Schloßkasten an der Stelle 14 schwenkbeweglich gelagerte Umlenkplatte 15 mit dem unteren Ende 6''' des Treibstangenriegels 6 und andererseits über den Winkelhebel 16 mit der letzteren drehbeweglich abstützenden Drückernuß 17 antriebsmäßig verbunden. Die Umlenkplatte 15 bildet einen im wesentlichen horizontal liegenden einarmigen Verbindungshebel, dessen schloßkastenseitige Schwenklagerstelle 14 im Abstand unterhalb der Schwenklagerstelle 13 des Schwenkriegels 5 liegt. Auf der Umlenkplatte 15 sitzt der im Langloch 5''' verschiebliche Mitnehmerstift 15', während die Umlenkplatte 15 an ihrem der Schwenklagerstelle 14 abgewandten Ende 15'' gabelartig ausgebildet ist und mit dem Gabelschlitz 15''' über den am unteren Treibstangenriegelende 6''' vorhandenen Mitnehmerstift 6IV greift. Das untere Ende 6''' des Treibstangenriegels 6 ist noch mit einem Führungsschlitz 6V versehen, mit dem es die den Schloßkasten 2 durchsetzende Führungshülse 18 umgreift. Durch die vorbeschriebene Gelenkverbindung über die Umlenkplatte 15 zwischen Schwenkriegel 5 und dem oberen Treibstangenriegel 6 ist gewährleistet, daß diese jeweils gemeinsam in ihre Ausund Einfahrstellung bewegt werden können, wobei im ersteren Falle die Austriebskraft der Feder 10 wirksam ist und vom Riegel 6 auf den Schwenkriegel 5 übertragen wird, hingegen der Kraftfluß beim Einfahren der beiden Riegel 5,6 ausgehend von dem Winkelhebel 16 in umgekehrter Richtung erfolgt.The swivel bolt 5 is of the type shown in particular in FIGS. 3 and 4. It is designed as a long one-armed lever and has an approximately boot-like Profile with the comparatively long locking shaft 5 'mounted at its upper end on a bearing bolt 13 fastened on the lock case side and the extendable locking shoe 5''located at the lower end thereof. The swivel bolt 5 is connected on the one hand via the deflection plate 15, which is pivotably mounted in the lock case at the point 14, to the lower end 6 '''of the drive rod bolt 6 and, on the other hand, via the angle lever 16 to the latter, which rotatably supports the follower nut 17. The deflection plate 15 forms a substantially horizontally located one-armed connecting lever, the pivot bearing point 14 on the lock case side being located at a distance below the pivot bearing point 13 of the pivot bolt 5. The driver pin 15 ', which is displaceable in the elongated hole 5''', sits on the deflection plate 15, while the deflection plate 15 is fork-shaped at its end 15 '' facing away from the pivot bearing point 14 and with the fork slot 15 '''over the lower connecting rod locking end 6''''Existing driver pin 6 IV takes hold. The lower end 6 '''of the espagnolette bolt 6 is also provided with a guide slot 6 V with which it engages around the guide sleeve 18 passing through the lock case 2. The above-described articulated connection via the deflection plate 15 between the swivel bolt 5 and the upper connecting rod bolt 6 ensures that they can each be moved together into their extended and retracted positions, in the former case the expulsion force of the spring 10 being effective and from the bolt 6 to the swivel bolt 5 is transmitted, on the other hand, the power flow when retracting the two bars 5, 6 takes place from the angle lever 16 in the opposite direction.

Der Winkelhebel 16 ist auf der unter Wirkung der Drückerhochhaltefeder 19 stehenden Nuß 17 frei drehbeweglich gelagert. Er besitzt eine mit dem Drückernußvorsprung 17' zusammenwirkende Mitnehmerkante 16' sowie einen ersten Mitnehmerarm 16'', der an einem am Schwenkriegelschuh 5'' innen angeordneten Mitnehmerzapfen 20 anliegt. Hierdurch können bei Verschwenken der Drückernuß 17 und die dadurch erfolgende Drehmitnahme des Winkelhebels 16 der Schwenkriegel 5 und mit ihm zusammen auch der obere und untere Treibriegel 6 und 9 eingefahren werden, um den insoweit verriegelten Türflügel 1 öffnen zu können.The angle lever 16 is freely rotatably supported on the nut 17, which is under the action of the handle holding spring 19. It has a driver edge 16 'which interacts with the follower projection 17' and a first driver arm 16 '' which bears against a driver pin 20 arranged on the inside on the swivel bar shoe 5 ''. As a result, when the handle follower 17 is pivoted and the angular lever 16 thus rotated, the pivot bolt 5 and, together with it, the upper and lower drive bolts 6 and 9 can be retracted in order to be able to open the door leaf 1 which has been locked in this respect.

Auf dem Mitnehmerarm 16'' des Winkelhebels 16 ist noch ein Sperrbolzen 21 vorgesehen, der mit einer am unteren inneren Ende des Schwenkriegelschuhs 5'' vorgesehenen Sperrnase 22 zusammenwirkt. Die Sperrnase 22 ist so geformt, daß sie im Zusammenwirken mit dem Sperrbolzen 21 ein von außen erfolgendes Hereindrücken des Schwenkriegels 5 verhindert, wie das insbesondere die Fig.10 erkennen läßt. Durch die Abschrägung an der Sperrnase 22, die in der Sperrstellung den Sperrbolzen 21 übergreift wird sichergestellt, daß der Winkelhebel 16 bei auf den Schwenkriegelschuh 5'' in Richtung des Pfeiles C erfolgender Krafteinwirkung nicht etwa im Uhrzeigersinn weiter verschwenkt, sondern dagegen blockiert wird.A locking pin 21 is also provided on the driving arm 16 ″ of the angle lever 16, which interacts with a locking lug 22 provided at the lower inner end of the swivel locking shoe 5 ″. The locking lug 22 is shaped in such a way that, in cooperation with the locking pin 21, it prevents the pivot bolt 5 from being pushed in from the outside, as can be seen in particular in FIG. 10. The bevel on the locking lug 22, which engages over the locking bolt 21 in the locking position, ensures that the angle lever 16 is not pivoted further clockwise when the force acting on the swivel locking shoe 5 '' in the direction of arrow C, but is blocked against it.

Am Winkelhebel 16 ist noch ein zweiter Mitnehmerarm 16''' vorhanden, der mit dem oberen Ende eines im Schloßkasten 2 gegenläufig zum oberen Treibstangenriegel 6 verstellbren Schiebers 23 in Antriebseingriff steht. Dieser Schieber 23 ist über die seine Führungsschlitze 23' durchdringende, schloßkastenseitig befestigten Führungsbolzen 24 in begrenztem Umfang vertikal verschieblich geführt. An seinem oberen Ende befindet sich ein Mitnehmerzapfen 25, der in den Gabelschlitz 16IV am Winkelhebel 16 greift und dadurch für die entsprechende Mitnahmeverbindung zwischen diesen Teilen sorgt. Am unteren Ende des Schiebers 23 kann der untere Treibstangenriegel 9 befestigt sein.On the angle lever 16 there is also a second driving arm 16 '''which is in drive engagement with the upper end of a slide 23 which is adjustable in the lock case 2 in the opposite direction to the upper connecting rod bolt 6. This slide 23 is guided vertically displaceably to a limited extent via the guide bolts 24 penetrating its guide slots 23 'and fastened on the lock case side. At its upper end there is a driver pin 25 which engages in the fork slot 16 IV on the angle lever 16 and thereby ensures the corresponding driving connection between these parts. At the lower end of the slide 23, the lower connecting rod latch 9 can be fastened.

Der Schieber 23 hat darüber hinaus aber noch eine andere wesentliche Funktion, da er für die unmittelbare Außenschlüsselbetätigung der Schloßriegel sorgt. Der Mechanismus dafür besteht aus einem durch den Schließzylinder 25 zu betätigenden Zahnstangentrieb 26 und einem dessen Zahnstange 27 mit dem Schieber 23 auf gegenläufige Mitnahme verbindenden zweiarmigen Umlenkhebel 28. Die Zahnstange 27 steht in direktem Eingriff mit dem konzentrisch zum Schließzylinderkern 25' angeordneten und durch dessen Schließbart 25'' zu verdrehenden Ritzel 29. Dieses Ritzel 29 wird teilweise von dem sichelförmigen Führungsbogen 30 umgriffen, der das Ritzel 29 auch bei ausgebautem Schließzylinder 25 noch in seiner Einbauposition zu halten vermag. Der Führungsbogen 30 kann aus Kunststoff bestehen und auf der den eingebauten Schließzylinder 25 sichernden Stulpschraube 31 abgestützt sein.The slider 23 also has another essential function, since it ensures the direct actuation of the external key of the lock bolt. The mechanism for this consists of a rack and pinion drive 26 to be actuated by the lock cylinder 25 and a two-armed reversing lever 28 which connects the rack 27 to the slide 23 in the opposite direction. The rack 27 is in direct engagement with the lock cylinder core 25 'which is arranged concentrically with the lock cylinder core 25' and by its lock bit 25 ″ to be rotated pinion 29. This pinion 29 is partially encompassed by the crescent-shaped guide arch 30, which is able to hold the pinion 29 in its installed position even when the locking cylinder 25 is removed. The guide bow 30 can be made of plastic and be supported on the forend screw 31 securing the built-in locking cylinder 25.

Der Umlenkhebel 28 ist als zweiarmiger Hebel ausgebildet und um den schloßkastenseitig befestigten Schwenklagerbolzen 32 schwenkbeweglich. Auf der gerundeten Oberseite des längeren Umlenkhebelarmes liegt darauf abgleitend der am oberen Ende der Zahnstange 27 sitzende Mitnehmerbolzen 27' auf, während der kürzere Umlenkhebelarm mit zwei Mitnehmerzähnen 28' versehen ist, die mit zwei auf dem Schieber 23 entsprechend angeordneten Mitnehmerzähnen 23'' zusammenwirken bzw. antriebsmässig verbunden sind. Der Umlenkhebel 28 ist so ausgebildet, daß er in der eingefahrenen Stellung der Schloßriegel gemäß Fig.6 in eine bezüglich des Mitnehmerbolzens 27' an der Zahnstange 27 gelegene Totpunktlage gelangt, in der der im Schließzylinder 25 stekkende Außenbetätigungsschlüssel 33 gegen die Ausdrückkraft der Feder 10 vollständig entlastet ist. Durch den Zahnstangentrieb 26 und den Umlenkhebel 28 und dessen Übersetzungsverhältnis ergeben sich für das Einholen der Schloßriegel 5,6 und 9 über den Außenbetätigungsschlüssel 33 besonders günstige Kraftübertragungsverhältnisse, so daß an letzterem nur ein vergleichsweise geringer Verstellkraftaufwand notwendig ist.The deflection lever 28 is designed as a two-armed lever and can be pivoted about the pivot bearing pin 32 fastened on the lock case side. On the rounded upper side of the longer deflection lever arm, the driver pin 27 'resting on the upper end of the rack 27 slides on it, while the shorter deflection lever arm is provided with two driver teeth 28', which cooperate or cooperate with two driver teeth 23 '' arranged on the slide 23 are connected in terms of drive. The deflection lever 28 is designed such that in the retracted position of the lock bolt according to FIG. 6 it reaches a dead center position with respect to the driving bolt 27 'on the rack 27, in which the external actuating key 33 inserted in the locking cylinder 25 completely counteracts the force of the spring 10 is relieved. The rack and pinion drive 26 and the bellcrank 28 and its transmission ratio result in particularly favorable power transmission ratios for the fetching of the lock bolts 5, 6 and 9 via the external operating key 33, so that only a comparatively small amount of adjustment force is required on the latter.

Das neue Mehrriegel-Schloß ist aber auch für eine Außendrückerbetätigung durchaus geeignet. Hierzu kann die Drückernuß entsprechend den Fig.13,14 geteilt sein, also eine Innendrückernuß 17i und eine davon durch eine Zwischenscheibe 17z getrennte Außennuß 17a besitzen. Während die Innendrückernuß 17i mit dem auf der Drückernuß beweglich lagernden Winkelhebel 16 über den Nußvorsprung 17' und die am Winkelhebel vorhandene Mitnehmerkante 16' ständig auf Drehmitnahme zu kuppeln ist, ist für die allfällige Ankupplung der Außendrückernuß 17a an dem Winkelhebel 16 auf letzterem ein Kupplungsstück 35 radial verschieblich gelagert. Dieses kann, wie insbesondere die Fig. 11 und 12, zeigen entgegen der Wirkung der in der Aussparung 16V des Winkelhebels gelegenen Rückstellfeder 36 durch einen weiter unten noch zu beschreibenden Kupplungsschieber in die Umlaufbahn einer an der Außennuß 17a vorhandenen Mitnehmernase 17a' gedrückt werden, wodurch es zur Drehmitnahmekupplung zwischen Winkelhebel 16 und der Außennuß 17a gemäß Fig.12 kommt.The new multi-bolt lock is also perfectly suitable for external lever actuation. For this purpose, the follower nut can be divided according to FIGS. 13, 14, that is to say it has an inner follower nut 17i and an outer nut 17a separated therefrom by an intermediate disk 17z. While the inner follower 17i is to be coupled with the angular lever 16 movably mounted on the lever follower via the nut projection 17 'and the driving edge 16' on the angular lever, a coupling piece 35 is attached to the angular lever 16 on the latter for any coupling radially displaceable. 11 and 12, this can show, contrary to the action of the return spring 36 located in the recess 16 V of the angle lever, by means of a clutch slider to be described further below into the orbit of a driving lug on the outer nut 17a 17a 'are pressed, which leads to the rotary driving coupling between the angle lever 16 and the outer nut 17a according to FIG.

Zum Betätigen des Kupplungsstücks 35 dient der in den Fig.7 bis 9 dargestellte Kupplungsschieber 40. Dieser ist an seinem oberen Ende mit einer bogenförmigen Steuerkante 40' versehen, die den am Kupplungsstück 35 vorhandenen Mitnehmerzapfen 35' in der angehobenen Stellung des Kupplungsschiebers 40 zu beaufschlagen und dadurch das Kupplungsstück in die vorerwähnte Einkupplungsstellung gemäß Fig.9 zu bringen vermag. An seinem unteren Ende besitzt der Kupplungsschieber 40 einen Mitnehmerarm 40'', mit dem er in die Umlaufbahn des am Schließzylinder 25 vorhandenen Schließbarts 25'' hineinragt, so daß der Schieber 40 hier durch Betätigen des Schließbarts 25'' in seine angehobene Position gemäß Fig.8 gebracht werden kann, in der er das Kupplungsstück 35 in Kupplungseingriff mit der an der Außendrückernuß 17a vorhandenen Mitnehmernase 17a' bringen kann.The coupling slide 40 shown in FIGS. 7 to 9 is used to actuate the coupling piece 35. At its upper end, this is provided with an arcuate control edge 40 'which acts on the driver pin 35' present on the coupling piece 35 in the raised position of the coupling slide 40 and thereby can bring the coupling piece into the aforementioned coupling position according to FIG. 9. At its lower end, the coupling slide 40 has a driving arm 40 '' with which it projects into the orbit of the locking bit 25 '' present on the locking cylinder 25, so that the slide 40 here in its raised position as shown in FIG .8 can be brought, in which he can bring the coupling piece 35 into coupling engagement with the driving lug 17a 'present on the outer follower nut 17a.

Um den Kupplungsschieber 40 in seiner angehobenen Position zwecks Schlüsselentlastung arretieren zu können, ist auf dem schloßkastenseitig befestigten Schwenklagerbolzen 41 eine Halteklinke 42 gelagert, die unter Wirkung der um den Bolzen 41 geschlungenen Bügelfeder 43 steht, die sich mit ihrem einen Ende an dem Mitnehmerarm 40'' des Kupplungsschiebers 40 und mit ihrem anderen Ende an der stulpseitig abgewinkelten Kante 42' der Halteklinke abstützt. An der Halteklinke 42 ist ein schloßstulpseitig zugänglicher Betätigungsknopf 44 vorgesehen. Über diesen Betätigungsknopf 44 kann die Halteklinke 42 in der in Fig.8 dargestellten Hochlage des Kupplungsschiebers 40 mit ihrer entsprechend ausgesparten Oberkante 42'' unter die am Kupplungsschieber 40 vorhandene Arretiernase 40''' geschwenkt werden. Diese drückt dabei unter dem Einfluß der Feder 36 so auf die Halteklinke 42, daß die dabei entstehende Haftreibung größer als die Rückstellkraft des längeren Schenkels der Feder 43 ist, so daß die Halteklinke 42 in dieser Arretierstellung gehalten wird, ohne daß dazu über den Außenbetätigungsschlüssel eine Haltekraft aufgebracht zu werden braucht, dieser Schlüssel vielmehr abgezogen werden kann. Die Halteklinke 42 kann erst dann wieder in ihre Ruhestellung zurückgelangen, wenn der Kupplungsschieber 40 durch erneute Schlüsselbetätigung entsprechend angehoben wird.In order to be able to lock the coupling slide 40 in its raised position for the purpose of relieving the key, a retaining pawl 42 is mounted on the pivot bearing pin 41 fastened on the lock case side, which is under the action of the loop spring 43 which is looped around the pin 41 and has one end on the driving arm 40 '. 'of the clutch slide 40 and with its other end on the cuff-angled edge 42' of the retaining pawl. An actuating button 44 accessible on the lock face is provided on the holding pawl 42. The actuating button 44 can be used to pivot the holding pawl 42 in the high position of the coupling slide 40 shown in FIG. 8 with its correspondingly recessed upper edge 42 ″ under the locking nose 40 ″ ″ present on the coupling slide 40. This presses under the influence of the spring 36 so that the holding pawl 42 that the resulting static friction is greater than the restoring force of the longer leg of the spring 43, so that the holding pawl 42 is held in this locking position without this one via the external actuation key Holding force needs to be applied, this key can rather be removed. The holding pawl 42 can only then return to its rest position, when the clutch slide 40 is raised accordingly by a new key operation.

Das Anheben des Kupplungsschiebers 40 zum Verschieben des Kupplungsstücks 35 in seiner Einrückstellung kann auch auf andere Weise erfolgen, beispielsweise auch elektrisch. Hierzu kann, wie die Fig.7 bis 9 gleichfalls zeigen, im Schloßkasten 2 ein von außen betätigbarer Elektromagnet 45 eingebaut sein, dessen schwenkbeweglich gelagerter Anker 46 am Kupplungsschieber 40, beispielsweise auch an dessen Arretiernase 40''' anzugreifen vermag. Ebenso könnte anstelle des Elektromagneten 45 und seines Ankers 46 aber auch ein kleiner elektrischer Verstellmotor eingebaut sein, der von außen ansteuerbar ist und dadurch den Kupplungsschieber 40 in seine in Fig.8 und 9 hochgefahrene Einkupplungsstellung zu verschieben vermag.The clutch slide 40 can also be raised in another way, for example also electrically, to move the clutch piece 35 in its engagement position. For this purpose, as can also be seen in FIGS. 7 to 9, an externally actuable electromagnet 45 can be installed in the lock case 2, the pivotable armature 46 of which can engage the coupling slide 40, for example also its locking nose 40 ″ ″. Likewise, instead of the electromagnet 45 and its armature 46, a small electric adjustment motor could also be installed, which can be actuated from the outside and is thereby able to shift the clutch slide 40 into its engagement position, which is raised in FIGS. 8 and 9.

Der Kupplungsschieber 40 kann über an ihm vorhandene Führungsschlitze 40IV und die darin eingreifenden schloßkastenfesten Führungsbolzen 24 ebenso vertikal im Schloßkasten 2 geführt werden wie der Schieber 23. Dabei versteht es sich, daß der untere Führungsbolzen 24 zugleich auch die Funktion des Schwenklagerbolzens 41 für die Halteklinke 42 übernehmen kann.The clutch slider 40 can be guided vertically in the lock case 2 via the guide slots 40 IV and the lock bolts fixed to it in the lock case as well as the slide 23. It is understood that the lower guide pin 24 also functions as the pivot pin 41 for the retaining pawl 42 can take over.

Um den Kraftaufwand für das Einholen des Schwenkriegels noch zu verringern, ist letzterer im ausfahrbaren Bereich seines Schwenkriegelschuhs 5'' mit beiderseits geneigt verlaufenden Sperrflächen 5IV versehen, die vorzugsweise aus auf einem dazwischenliegenden Kunststofftragkörper 5v aufliegenden, geeigneten Metallblech bestehen. Hierdurch kann nicht nur die Reibung beim Ausfahren des Schwenkriegelschuhs 5'' aus dem am Türrahmen bzw. Standflügel vorhandenen Schließblech 3 verringert werden, sondern es kann dadurch zusätzlich auch noch ein besserer Anzug des Türflügels gegen die ihn umgebende Dichtung erzielt werden.In order to reduce the effort required to pull in the swivel bolt even more, the latter is provided in the extendable region of its swivel bolt shoe 5 ″ with locking surfaces 5 IV , which are inclined on both sides and which preferably consist of a suitable metal sheet lying on an intermediate plastic support body 5 v . This not only reduces the friction when the swivel bolt shoe 5 ″ extends from the striking plate 3 provided on the door frame or passive leaf, but it can also additionally achieve a better tightening of the door leaf against the seal surrounding it.

Claims (21)

  1. Multi-bolt door lock, which comprises a mortise lock case (2), provided with key and latch operation, having a bolt (5) which is extended laterally therefrom by key operation, and furthermore a drive rod bolt (6) able to extend upwards out of the door leaf (1) under the effect of a spring (10), which drive rod bolt is inserted by operation of the latch follower (17) and is arrested in its inserted position by a switch catch (11), which in the closed position of the leaf is released by striking the fixed door frame (7) and thereby releases the drive rod bolt (6) for its extension movement, characterised in that the bolt (5) and the drive rod bolt (6) are connected to each other in a driving manner and are moved together by internal latch and external key operation, and that furthermore the switch catch (11) on the upper edge of the leaf is disposed at the exit region of the drive rod bolt (6).
  2. Lock according to claim 1, characterised in that the bolt is formed as a one-arm pivot bolt (5), which is connected, on the one hand, in an articulated manner, by a reversing plate (15) pivotably mounted in the lock case (2), to the lower end (6''') of the drive rod bolt (6), and on the other hand, in a driving manner, by an angle lever (16), to the latch follower (17) which supports the angle lever in a rotationally movable manner.
  3. Lock according to claim 2, characterised in that the pivot bolt (5) has a boot-like profile with a bolt shank (5') mounted at the lock case side at its upper end, and an extendible bolt shoe (5'') at its lower end, while the reversing plate (15) forms a one arm connecting lever lying substantially horizontal, of which the pivot bearing point (14) at the lock case side lies under that of the pivot bolt (5), and which is connected respectively by gudgeon slot guides (15', 15''' or 16IV, 15''') to the pivot bolt (5) and to the drive rod bolt.
  4. Lock according to claim 2, characterised in that the angle lever (16) is mounted in a freely rotationally movable manner on the latch follower (17) and comprises an entrainer edge (16'), cooperating with a latch follower projection (17'), and an entrainer arm (16'') which bears against an entrainer lug (20) internally disposed on the pivot bolt shoe (5'').
  5. Lock according to one of claims 1 to 4, characterised in that the switch catch (11) is formed as a connecting bush provided at the top with a chamfered catch end (11') and surrounding the upper end (6') of the drive rod bolt (6), which connecting bush, together with a clamping plate, comprising a clamping eye surrounding the drive rod bolt (6), and a clamping plate spring, is housed in a lock housing (12) fixed to the upper edge of the door.
  6. Lock according to one of claims 1 to 5, characterised in that the spring engaging the drive rod bolt (6) consists of a helical compression spring (10) which surrounds the bolt shaft (6'') to the greatest possible extent and is of only slightly increasing spring rate.
  7. Lock according to claim 4, characterised in that on the entrainer arm (16'') of the angle lever (16) a blocking pin (21) is provided and at the lower inner end of the pivot bolt shoe (5'') a blocking projection (22) working in cooperation therewith is provided, which prevent the pivot bolt (5) being pushed in from outside.
  8. Lock according to one of claims 1 to 7, characterised in that at the angle lever (16) a second entrainer arm (16''') is provided, which is in driving engagement with the upper end of a slider (23), which is movable within the lock casing (2) in a contrary manner to the upper drive rod bolt (6), to which slider a further, lower drive rod bolt (9) and/or a mechanism for the immediate external key operation of the bolts (5, 6, 9) is connected.
  9. Lock according to claim 8, characterised in that the mechanism for the immediate external key operation of the bolts (5, 6, 9) consists of a toothed rod drive (26), operated by a locking cylinder (25), and a two-armed reversing lever connecting the toothed rod (27) of the toothed rod drive to the slider (23) in an oppositely directed entraining manner, which reversing lever is pivoted into a dead centre position releasing the actuating key (33) when the bolts (5, 6, 9) are in the inserted position.
  10. Lock according to claim 9, characterised in that the toothed rod (27) is, on the one hand, engaged with a pinion (29), disposed concentric to the locking cylinder core (25') and rotated by the key bit (25'') of the locking cylinder, and, on the other hand, is provided with an entrainer pin, which lies in a sliding manner against the rounded upper side of the longer reversing lever arm, while the shorter reversing lever arm is connected to the slider (23) in a driving manner, by entrainer teeth (28' and/or 23'') disposed thereon as well as on the slider (23).
  11. Lock according to claim 10, characterised in that a sickle-shaped guide curve (30) is provided partially enclosing the pinion (29) and still holding it even when the locking cylinder (25) is extended.
  12. Lock according to one of claims 1 to 11, characterised in that for an external latch operation of the two bolts (5, 6), the latch follower (17) is divided and its outer follower (17a) is connected upon rotational entrainment to the angle lever (16), engaging the pivot bolt (5), by a coupling means (35) which can be moved in and out.
  13. Lock according to claim 12 characterised in that, the coupling means consist of a coupling piece (35), which can slide radially on the angle lever (16), and a coupling slide (40) pressing the coupling piece against the spring effect (36) into the circular path of an entrainer projection (17a') provided at the outer follower (17a), which coupling slider is correspondingly displaced by external operating means.
  14. Lock according to claim 13, characterised in that at the lower end of the coupling slider (40) an entrainer arm (40'') is provided protruding into the circular path of a locking cylinder key bit (25'').
  15. Lock according to claim 13, characterised in that the coupling slider (40) is arrested in its raised position, which presses the coupling piece (35) in the inserted position, by a detent latch (42), which is provided with an operating button (44), accessible on the face plate side, and is under the effect of a return spring (43).
  16. Lock according to claim 15, characterised in that the detent latch (42) in the arresting position engages under a retaining stud (40'''), provided on the coupling slide (40), and in this position is held by the retaining stud with a static friction force which is greater than the return spring force.
  17. Lock according to claim 13, characterised in that the coupling slide (40) is raised electrically into its position, which presses the coupling piece (35) in the inserted position.
  18. Lock according to claim 17, characterised in that the coupling slide (40) is raised by an armature, which engages therewith, of an electromagnet (45) incorporated in the lock case (2).
  19. Lock according to claim 17, characterised in that the coupling slide (40) is raised by an electric adjusting motor engaging therewith and incorporated in the lock case (2).
  20. Lock according to one of claims 1 to 19, characterised in that the pivot bolt shoe (5'') in its front extendible region comprises blocking surfaces (5IV) extending in an inclined manner on both sides.
  21. Lock according to claim 20, characterised in that the two blocking surfaces (5IV) consist of sheet metal, between them a support body (5V) consisting of a synthetic material is located.
EP92103132A 1991-04-13 1992-02-25 Door lock with several bolts Expired - Lifetime EP0509217B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9104553U 1991-04-13
DE9104553U DE9104553U1 (en) 1991-04-13 1991-04-13

Publications (2)

Publication Number Publication Date
EP0509217A1 EP0509217A1 (en) 1992-10-21
EP0509217B1 true EP0509217B1 (en) 1994-12-28

Family

ID=6866304

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92103132A Expired - Lifetime EP0509217B1 (en) 1991-04-13 1992-02-25 Door lock with several bolts

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Country Link
EP (1) EP0509217B1 (en)
AT (1) ATE116403T1 (en)
DE (2) DE9104553U1 (en)

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GB2313620B (en) * 1993-12-29 1998-06-03 Cego Frameware Ltd Multi-point locking assembly for a door or window
AT402835B (en) * 1994-12-21 1997-09-25 Roto Frank Eisenwaren PUSH-OPERABLE MULTI-LOCK LOCK
FR2755719B1 (en) * 1996-11-12 1999-01-08 Alcan France DEVICE FOR CLOSING A HINGED OPENING ELEMENT FOR A DOOR, WINDOW OR THE LIKE
DE20300394U1 (en) * 2003-01-10 2003-04-30 Bks Gmbh mortise lock
DE20319136U1 (en) * 2003-12-10 2005-04-28 Dirak Konstruktionselemente Gmbh & Co. Kg Lock for multiple locking of doors or wall parts in enclosures or cabinets
DE102005055152A1 (en) * 2005-11-18 2007-05-31 Hörmann KG Amshausen Door leaf with wicket door and multiple locking
EP2186974B1 (en) * 2008-11-14 2012-12-19 Joseph Talpe Cylinder lock with pivotally-mounted bolt.
EP2295678B1 (en) * 2009-08-13 2012-01-25 Roto Frank Ag Lining for a window, door or similar and window, door or similar with such a lining
DE102010001160B4 (en) * 2010-01-22 2014-11-27 Bks Gmbh Door or window with a wing pivotally mounted in a frame and with a locking rod and a locking rod with a bolted trap
DE102013001821A1 (en) 2013-01-11 2014-07-17 Wilh. Schlechtendahl & Söhne GmbH & Co. KG Counter box or mortise lock
CN107288423B (en) * 2017-07-26 2022-12-16 江西技德科技有限公司 Automatic lock clutch
CN114645917B (en) * 2022-01-29 2024-04-05 北京航天发射技术研究所 Dynamic mechanism braking locking device and method under impact action
CN114753714B (en) * 2022-03-22 2022-09-20 国网安徽省电力有限公司滁州市城郊供电公司 Intelligent convergence equipment for transformer substation video monitoring system

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US1850222A (en) * 1929-03-19 1932-03-22 Sargent & Co Wardrobe lock
DE1062143B (en) * 1953-10-08 1959-07-23 Yale & Towne Mfg Co Closure, especially for fire doors
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DE7804269U1 (en) * 1978-02-14 1981-03-26 Donges Stahlbau GmbH, 64293 Darmstadt ROD LOCK FOR THE WINGING LEAF OF A MULTI-LEAF GATE
DE2929368C2 (en) * 1979-07-20 1984-12-13 Karl Fliether GmbH & Co, 5620 Velbert Device in a connecting rod lock for preventing unauthorized pushing back of a connecting rod from the closed position
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Also Published As

Publication number Publication date
DE59201051D1 (en) 1995-02-09
EP0509217A1 (en) 1992-10-21
ATE116403T1 (en) 1995-01-15
DE9104553U1 (en) 1991-06-06

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