EP0416448B1 - Lock, specially for outside swing doors of buses - Google Patents

Lock, specially for outside swing doors of buses Download PDF

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Publication number
EP0416448B1
EP0416448B1 EP90116522A EP90116522A EP0416448B1 EP 0416448 B1 EP0416448 B1 EP 0416448B1 EP 90116522 A EP90116522 A EP 90116522A EP 90116522 A EP90116522 A EP 90116522A EP 0416448 B1 EP0416448 B1 EP 0416448B1
Authority
EP
European Patent Office
Prior art keywords
handle body
housing
lock according
driver
lock
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
EP90116522A
Other languages
German (de)
French (fr)
Other versions
EP0416448A1 (en
Inventor
Hans Joachim Poffo
Horst Themar
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Johnson Controls Interiors GmbH and Co KG
Original Assignee
Gebrueder Happich GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gebrueder Happich GmbH filed Critical Gebrueder Happich GmbH
Publication of EP0416448A1 publication Critical patent/EP0416448A1/en
Application granted granted Critical
Publication of EP0416448B1 publication Critical patent/EP0416448B1/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
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B13/00Devices preventing the key or the handle or both from being used
    • E05B13/002Devices preventing the key or the handle or both from being used locking the handle
    • E05B13/004Devices preventing the key or the handle or both from being used locking the handle by locking the spindle, follower, or the like
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00Locks or fastenings with special structural characteristics
    • E05B63/0065Operating modes; Transformable to different operating modes
    • E05B63/0069Override systems, e.g. allowing opening from inside without the key, even when locked from outside
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B5/00Handles completely let into the surface of the wing
    • 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
    • E05C9/04Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with two sliding bars moved in opposite directions when fastening or unfastening
    • E05C9/043Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with two sliding bars moved in opposite directions when fastening or unfastening with crank pins and connecting rods

Definitions

  • the invention relates to a lock, in particular for swing doors of buses.
  • Outer swing doors of buses or the like. can usually be opened and closed from the driver's seat, generally using compressed air.
  • doors can also be opened by means of manually operated door emergency opening levers which are arranged in buses above the doors and are connected to the opening mechanism thereof in order to unlock the door.
  • the invention has for its object to provide a closure for such swinging doors of buses, which should make it possible to secure the doors during longer downtimes of the buses, so that they do not close, even in the event of a possible failure of the compressed air system open, but at the same time ensure that the outside swing doors locked from the outside can be opened from the inside at any time, for example to give an accidentally locked passenger the opportunity to leave a bus despite the doors being closed.
  • the closure should be a compact design, good looks and are easy to manufacture, assemble and operate.
  • the object of the present invention to achieve the above object is a closure, in particular for swinging doors of buses, consisting of a housing to be fastened to a door, which has an outer and an inner handle body and an engaging driver for unlocking or locking the pulling rods effecting the door are mounted in a rotatable arrangement, the outer handle body being in engagement with the driver in the sense of a locking and unlocking movement and the inner handle body in engagement with the driver only in the sense of an unlocking movement, and wherein the outer handle body is equipped with a cylinder lock to ensure the rotational mobility to block it.
  • the new closure consists of a housing 1, an outer handle body 2 with cylinder lock 3, an inner handle body 4 and a driver 5 for tie rods 6.
  • the housing 1 has an approximately square outline contour with a circumferential flange 8, which is supported on the door 7, a housing recess 9, a bush-shaped bearing receptacle 11 with a base 12 which adjoins the bottom 10 of the housing recess 9, a central bore 13 in the base 12 and an eccentrically arranged pin 14 projecting above the base 12.
  • a semicircular slot opening 18 is formed in the bottom 12 of the housing recess 9.
  • the bearing receptacle 11 of the housing 1 is provided with a radially aligned slot opening 19 which passes through the bearing receptacle 11 and is located in the vicinity of the base 12.
  • the outer handle body 2 has a two-winged handle knob 21, which finds a substantially recessed receptacle in the housing recess 9.
  • On the back of the handle knob 21 there is an integrally formed with the outer handle body 2 receiving housing 22 which receives the cylinder lock 3, which or the like in the receiving housing 22 by a spring pin 23. is set.
  • the receiving housing 22 is cylindrical, has a perforated base 24 and an adjoining central pin 25 for a fastening element 26.
  • the receptacle housing 22 is rotatably mounted in the bearing receptacle 11 of the housing 1 and passes through the bore 13 in the bottom 12 of the bearing receptacle 11 with the pin 25.
  • the receptacle housing 22 also has a slot opening 27 which is aligned with the slot opening 19 of the bearing receptacle 11 when the handle knob 21 is in a central position, as shown for example in FIG. 1. If the slot openings 27 and 19 are aligned with one another, a locking bolt 29 can be moved into the slot openings 19, 27 by means of a key 28 to be inserted into the cylinder lock 3, so that the outer handle body 2 is secured against rotation on the housing 1.
  • the work of the cylinder lock 3 is designed so that the key 28 can only be inserted into the cylinder lock and can be removed again when the handle knob is in its central position according to FIG. 1.
  • the outside handle body 2 also has an eccentrically arranged driver pin 3o on its rear side, which extends parallel to the receiving housing 22.
  • the driver pin 3o first penetrates the semicircular Slot opening 18 in the housing 1 with the result that the outer handle body 2 can only be rotated over a pivoting range of approximately 180 degrees.
  • a restoring spring 31 which overlaps the bearing receptacle 11 and which is supported with one leg end on a housing projection (not shown) and with the other leg end on the driver pin 3o ensures that the handle knob 21 is always held in its central position according to FIG. 1 or after actuation is returned to this position.
  • the driver 5 has a hollow cylinder 32 encompassing the bearing receptacle 11 of the housing 1, a link groove 33 extending over an angular range of approximately 90 degrees and a two-armed flange 34 formed on the outside of the hollow cylinder, on the arm ends of which there are hanging eyes 35 or the like. for the tie rods 6.
  • a material attachment 36 which is formed in one piece with the driver 5 and which is provided with a bore 37 which is oriented perpendicularly to the axis of the hollow cylinder 32 and also penetrates the hollow cylinder 32.
  • the bore 37 receives a ball 38 that can be rolled off on the outer casing of the bearing receptacle 11 of the housing 1 and a compression spring 39 that loads it and is supported by a spring pin 40.
  • the ball 38 engages in one of the two latching recesses 20 of the bearing receptacle 11, around the driver 5 either in its locking position, which is shown in FIG. 4 with solid lines, or in its unlocking position, which is shown in FIG. 4 with dash-dotted lines is to keep solvable.
  • the driver pin 3o engages a slotted groove end in order to move the driver 5 into the locking or unlocking position (see FIG. 4).
  • the outer handle body 2 pivots back into its central position according to FIG. 1, supported by the return spring 31, the driver pin 3o freely passing through the link groove 33, in order then to contact the other link groove end.
  • the tie rods 6 must run over dead center when moving from the locking position into the unlocking position because they are each connected to the flange 34 of the driver 5 outside the horizontal 41.
  • the tie rods 6 can thus be used in the event of an attempted break-in, e.g. when placing a tool in the door seal area, do not unlock.
  • the inner handle body 4 has a two-part construction and consists of an adapter 42 and a grip wheel 43 connected to it.
  • the adapter 42 is designed like a socket and has a bottom 44 which is surmounted by a cylindrical extension 45.
  • a central bore 46 and an arcuate recess 47 are formed in the bottom 44 of the adapter 42.
  • the adapter 42 is attached to the bearing receptacle 11 of the housing 1, the bottoms 12 and 44 coming to lie against one another, the pin 25 passing through the bore 46, the pin 14 passing through the recess 47 and the extension 45 passing through the hollow cylinder 32 of the driver 5 in some areas spreads.
  • the adapter 42 is fixed to the housing 1 by means of the fastening element 26, which can be, for example, a screw that taps its thread, a washer and a toothed disk that prevents the screw from loosening.
  • the arcuate recess 47 with the pin 14 engaging therein allows only a rotational movement of the inner handle body 4 in the sense of an unlocking movement. An extension of the recess could of course also result in a closing movement of the inner handle body and thus a locking of the vehicle door from the inside, but this is not desirable for various reasons.
  • the extension 45 of the adapter 42 has an interruption 48, in which the material approach 36 of the driver 5 engages. If the material approach 36 abuts the end 49 of the interruption 48 (in this case, the tie rods 6 are in the locking position), the driver 5 can be transferred into its unlocked position (shown in dash-dot lines in FIG. 4) by turning the inner handle body 4. After the unlocking movement, the inner handle body 4 automatically rotates back into its starting position, for which purpose a return spring 5o is provided, which is supported with one leg end on the pin 14 and with the other leg end in a slot opening 51 of the adapter 42. The restoring movement is stopped by the other end 52 of the interruption 48, which comes into contact with the material attachment 36.
  • the adapter 42 has clip lugs 53 at its free end, which are engaged by spring arms 55 of the grip wheel 43 provided with locking lugs 54. Mounting openings 56 allow disassembly if necessary.
  • the closure according to the invention which can be assembled quickly and easily with the interposition of sealing elements 57, 58, which are intended to prevent the ingress of moisture or moisture into the interior of the door, is distinguished in various respects. Since the outer handle body 2 can only be turned when the key 28 is inserted, actuation of the same by unauthorized persons is ruled out. On the other hand, the lock can be easily operated using a key. Of particular advantage is the possibility given by the invention of being able to unlock and open a locked door easily from the inside. It is also advantageous that there is only one unlocking possibility for the inner handle body, because this can rule out that an unwanted locking is brought about by manipulations on the inner handle body. A locking mechanism not noticed by the driver could cause considerable damage when the door is opened using the automatic compressed air system.
  • the invention also provides, as a precaution, a safety device which, for example, consists of a warning lamp installed on the dashboard and indicates to the driver whether the lock is open or closed.
  • the warning lamp can be controlled, for example, via the vehicle electrical system and cooperate with a microswitch 59, which sits on a housing attachment 6o and is closed when the tie rods 6 are in the locking position.

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

Description

Die Erfindung bezieht sich auf einen Verschluß, insbesondere für Aussenschwingtüren von Omnibussen.The invention relates to a lock, in particular for swing doors of buses.

Aussenschwingtüren von Omnibussen od.dgl. können üblicherweise vom Fahrersitz aus geöffnet und geschlossen werden, wobei im allgemeinen mit Druckluft gearbeitet wird. Bei Notfallsituationen können solche Türen auch durch manuell betätigbare Tür-Notöffnungshebel, die in Bussen oberhalb der Türen angeordnet und mit dem Öffnungsmechanismus derselben verbunden sind, um eine Türentriegelung zu bewirken, geöffnet werden.Outer swing doors of buses or the like. can usually be opened and closed from the driver's seat, generally using compressed air. In emergency situations, such doors can also be opened by means of manually operated door emergency opening levers which are arranged in buses above the doors and are connected to the opening mechanism thereof in order to unlock the door.

Der Erfindung liegt die Aufgabe zugrunde, für solche Aussenschwingtüren von Bussen einen Verschluß zur Verfügung zu stellen, der es ermöglichen soll, die Türen bei längeren Stillstandzeiten der Busse zu sichern, so daß sie, auch bei einem etwaigen Ausfall des Druckluftsystems, von aussen nicht zu öffnen sind, dabei aber gleichzeitig sicherzustellen, daß die von aussen abgeschlossenen Aussenschwingtüren jederzeit von innen geöffnet werden können, um z.B. einem versehentlich eingeschlossenen Fahrgast die Möglichkeit zu eröffnen, einen Bus trotz abgeschlossener Türen verlassen zu können. Darüber hinaus soll sich der Verschluß durch eine Kompaktbauweise, gutes Aussehen und durch eine einfache Herstellbarkeit, Montierbarkeit und Bedienbarkeit auszeichnen.The invention has for its object to provide a closure for such swinging doors of buses, which should make it possible to secure the doors during longer downtimes of the buses, so that they do not close, even in the event of a possible failure of the compressed air system open, but at the same time ensure that the outside swing doors locked from the outside can be opened from the inside at any time, for example to give an accidentally locked passenger the opportunity to leave a bus despite the doors being closed. In addition, the closure should be a compact design, good looks and are easy to manufacture, assemble and operate.

Demgemäß ist zur Lösung der vorgenannten Aufgabe Gegenstand der vorliegenden Erfindung ein Verschluß, insbesondere für Aussenschwingtüren von Omnibussen, bestehend aus einem an einer Tür zu befestigenden Gehäuse, das einen Aussen- und einen Innengriffkörper sowie einen mit diesen in Eingriff stehenden Mitnehmer für ein Entriegeln oder Verriegeln der Tür bewirkende Zugstangen in drehbeweglicher Anordnung lagert, wobei der Aussengriffkörper mit dem Mitnehmer im Sinne einer Verriegelungs- und Entriegelungsbewegung und der Innengriffkörper mit dem Mitnehmer ausschließlich im Sinne einer Entriegelungsbewegung in Eingriff steht, und wobei der Aussengriffkörper mit einem Zylinderschloß ausgerüstet ist, um die Drehbeweglichkeit desselben zu blockieren.Accordingly, the object of the present invention to achieve the above object is a closure, in particular for swinging doors of buses, consisting of a housing to be fastened to a door, which has an outer and an inner handle body and an engaging driver for unlocking or locking the pulling rods effecting the door are mounted in a rotatable arrangement, the outer handle body being in engagement with the driver in the sense of a locking and unlocking movement and the inner handle body in engagement with the driver only in the sense of an unlocking movement, and wherein the outer handle body is equipped with a cylinder lock to ensure the rotational mobility to block it.

Vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung sind in den Unteransprüchen gekennzeichnet.Advantageous refinements and developments of the invention are characterized in the subclaims.

Ein bevorzugtes Ausführungsbeispiel der Erfindung wird nachfolgend anhand der Zeichnung näher erläutert. Es zeigen:

  • Fig. 1 einen Aufriß des Verschlusses,
  • Fig. 2 einen Schnitt II - II nach Fig. 1,
  • Fig. 3 einen Schnitt III - III nach Fig. 1,
  • Fig. 4 einen Schnitt IV - IV nach Fig. 2 und
  • Fig. 5 einen Schnitt V - V nach Fig. 2.
A preferred embodiment of the invention is explained below with reference to the drawing. Show it:
  • 1 is an elevation of the closure,
  • 2 shows a section II - II of FIG. 1,
  • 3 shows a section III - III according to FIG. 1,
  • Fig. 4 shows a section IV - IV of Fig. 2 and
  • 5 shows a section V - V according to FIG. 2.

Der neue Verschluß besteht hinsichtlich seiner Hauptbauelemente aus einem Gehäuse 1, einem Außengriffkörper 2 mit Zylinderschloß 3, einem Innengriffkörper 4 und einem Mitnehmer 5 für Zugstangen 6.With regard to its main structural elements, the new closure consists of a housing 1, an outer handle body 2 with cylinder lock 3, an inner handle body 4 and a driver 5 for tie rods 6.

Das Gehäuse 1 weist eine etwa quadratische Umrißkontur mit einem umlaufenden, sich an der Tür 7 abstützenden Flansch 8, eine Gehäusemulde 9, eine sich am Boden 1o der Gehäusemulde 9 rückseitig anschliessende buchsenförmige Lageraufnahme 11 mit einem Boden 12, eine zentrische Bohrung 13 im Boden 12 und einen den Boden 12 überragenden exzentrisch angeordneten Zapfen 14 auf. An der Rückseite des Flanschs 8 befinden sich Materialansätze 15 für Befestigungselemente 16,mittels denen der Verschluß unter Zuhilfenahme von Klemmstücken 17 od.dgl. an der Tür 7 festlegbar ist. Im Boden 12 der Gehäusemulde 9 ist eine halbkreisförmige Schlitzöffnung 18 ausgebildet. Die Lageraufnahme 11 des Gehäuses 1 ist mit einer radial ausgerichteten Schlitzöffnung 19 versehen, die die Lageraufnahme 11 durchsetzt und sich in der Nähe des Bodens 12 befindet. Am Aussenumfang der buchsenförmigen Lageraufnahme 11 sind zwei, um etwa 90 Winkelgrade zueinander versetzte Rastaussparungen 2o ausgebildet, von denen in der Zeichnung (Fig. 2) lediglich eine zu sehen ist.The housing 1 has an approximately square outline contour with a circumferential flange 8, which is supported on the door 7, a housing recess 9, a bush-shaped bearing receptacle 11 with a base 12 which adjoins the bottom 10 of the housing recess 9, a central bore 13 in the base 12 and an eccentrically arranged pin 14 projecting above the base 12. At the back of the flange 8 are material approaches 15 for fasteners 16, by means of which the closure with the help of Clamps 17 or the like. can be fixed on the door 7. A semicircular slot opening 18 is formed in the bottom 12 of the housing recess 9. The bearing receptacle 11 of the housing 1 is provided with a radially aligned slot opening 19 which passes through the bearing receptacle 11 and is located in the vicinity of the base 12. On the outer circumference of the bush-shaped bearing receptacle 11 there are two latching recesses 20, which are offset by approximately 90 degrees to one another, of which only one can be seen in the drawing (FIG. 2).

Der Aussengriffkörper 2 weist einen zweiflügeligen Griffknauf 21, der in der Gehäusemulde 9 eine im wesentlichen versenkte Aufnahme findet, auf. An der Rückseite des Griffknaufs 21 befindet sich ein einstückig mit dem Aussengriffkörper 2 ausgebildetes Aufnahmegehäuse 22, das das Zylinderschloß 3 aufnimmt, welches im Aufnahmegehäuse 22 durch einen Spannstift 23 od.dgl. festgelegt ist. Das Aufnahmegehäuse 22 ist zylindrisch ausgebildet, weist einen gelochten Boden 24 und einen sich daran anschliessenden, zentrischen Zapfen 25 für ein Befestigungselement 26 auf. Das Aufnahmegehäuse 22 ist drehbeweglich in der Lageraufnahme 11 des Gehäuses 1 gelagert und durchsetzt mit dem Zapfen 25 die Bohrung 13 im Boden 12 der Lageraufnahme 11. Das Aufnahmegehäuse 22 weist weiterhin eine Schlitzöffnung 27 auf, die mit der Schlitzöffnung 19 der Lageraufnahme 11 fluchtet, wenn sich der Griffknauf 21 in einer Mittenstellung, wie sie beispielsweise in Fig. 1 gezeigt ist, befindet. Wenn die Schlitzöffnungen 27 und 19 miteinander fluchten, kann mittels eines in das Zylinderschloß 3 einzuführenden Schlüssels 28 ein Schließriegel 29 in die Schlitzöffnungen 19, 27 hineinbewegt werden, so daß der Aussengriffkörper 2 gegen Verdrehen gesichert am Gehäuse 1 festgelegt ist. In diesem Zusammenhang sei bemerkt, daß das Gewerke des Zylinderschlosses 3 so ausgebildet ist, daß der Schlüssel 28 nur dann in das Zylinderschloß einsteckbar ist und aus diesem wieder herausgezogen werden kann, wenn sich der Griffknauf in seiner Mittenlage nach Fig. 1 befindet.The outer handle body 2 has a two-winged handle knob 21, which finds a substantially recessed receptacle in the housing recess 9. On the back of the handle knob 21 there is an integrally formed with the outer handle body 2 receiving housing 22 which receives the cylinder lock 3, which or the like in the receiving housing 22 by a spring pin 23. is set. The receiving housing 22 is cylindrical, has a perforated base 24 and an adjoining central pin 25 for a fastening element 26. The receptacle housing 22 is rotatably mounted in the bearing receptacle 11 of the housing 1 and passes through the bore 13 in the bottom 12 of the bearing receptacle 11 with the pin 25. The receptacle housing 22 also has a slot opening 27 which is aligned with the slot opening 19 of the bearing receptacle 11 when the handle knob 21 is in a central position, as shown for example in FIG. 1. If the slot openings 27 and 19 are aligned with one another, a locking bolt 29 can be moved into the slot openings 19, 27 by means of a key 28 to be inserted into the cylinder lock 3, so that the outer handle body 2 is secured against rotation on the housing 1. In this context, it should be noted that the work of the cylinder lock 3 is designed so that the key 28 can only be inserted into the cylinder lock and can be removed again when the handle knob is in its central position according to FIG. 1.

Der Aussengriffkörper 2 trägt an seiner Rückseite noch einen exzentrisch angeordneten Mitnehmerzapfen 3o, der sich parallel zum Aufnahmegehäuse 22 erstreckt. Der Mitnehmerzapfen 3o durchsetzt zunächst die halbkreisförmige Schlitzöffnung 18 im Gehäuse 1 mit der Folge, daß der Aussengriffkörper 2 nur über einen Schwenkbereich von etwa 180 Grad gedreht werden kann. Dabei sorgt eine die Lageraufnahme 11 übergreifende Rückstellfeder 31, die sich mit einem Schenkelende an einem nicht gezeigten Gehäusevorsprung und mit dem anderen Schenkelende am Mitnehmerzapfen 3o abstützt, dafür, daß der Griffknauf 21 stets in seiner Mittenlage nach Fig. 1 gehalten, bzw. nach Betätigen in diese Lage zurückgeführt wird. Bei einer 90 Grad-Drehbewegung des Griffknaufs 21 im Uhrzeigersinn aus der Mittenlage heraus (in diesem Fall ist das Zylinderschloß geöffnet und der Schließriegel 29 aus den Schlitzöffnungen 19 und 27 herausgezogen) wird der Mitnehmer 5, der mit dem Mitnehmerzapfen 3o in Eingriff steht, im Sinne einer Öffnungsbewegung verschwenkt, wobei die Zugstangen 6 aus ihrer Verriegelungslage ( die Zugstangenenden greifen in nicht gezeigte Buchsen im Türrahmen ein) herausbewegt werden. Bei einer Drehbewegung um 90 Grad des Griffknaufs aus seiner Mittenlage entgegen dem Uhrzeigersinn (auch hier muß das Zylinderschloß 3 geöffnet und der Schließriegel 29 zurückgezogen sein) wird die Verriegelungslage der Zugstangen 6 hergestellt.The outside handle body 2 also has an eccentrically arranged driver pin 3o on its rear side, which extends parallel to the receiving housing 22. The driver pin 3o first penetrates the semicircular Slot opening 18 in the housing 1 with the result that the outer handle body 2 can only be rotated over a pivoting range of approximately 180 degrees. A restoring spring 31 which overlaps the bearing receptacle 11 and which is supported with one leg end on a housing projection (not shown) and with the other leg end on the driver pin 3o ensures that the handle knob 21 is always held in its central position according to FIG. 1 or after actuation is returned to this position. With a 90 degree rotation of the knob 21 clockwise out of the central position (in this case the cylinder lock is open and the locking bolt 29 is pulled out of the slot openings 19 and 27), the driver 5, which is in engagement with the driver pin 3o, in In the sense of an opening movement, the tie rods 6 are moved out of their locking position (the tie rod ends engage in sockets (not shown) in the door frame). With a rotary movement of 90 degrees of the handle knob from its central position counterclockwise (here, too, the cylinder lock 3 must be opened and the locking bolt 29 retracted), the locking position of the tie rods 6 is established.

Der Mitnehmer 5 weist einen die Lageraufnahme 11 des Gehäuses 1 umgreifenden Hohlzylinder 32, eine sich über einen Winkelbereich von etwa 90 Grad erstreckende Kulissenut 33 und einen aussenseitig am Hohlzylinder angeformten zweiarmigen Flansch 34 auf, an dessen Armenden sich Einhängeösen 35 od.dgl. für die Zugstangen 6 befinden. Auf der der Kulissennut 33 abgewandten Seite des Flansches 34 befindet sich ein einstückig mit dem Mitnehmer 5 ausgebildeter Materialansatz 36, der mit einer senkrecht zur Achse des Hohlzylinders 32 ausgerichteten Bohrung 37, die auch den Hohlzylinder 32 durchsetzt, versehen ist. Die Bohrung 37 nimmt eine am Aussenmantel der Lageraufnahme 11 des Gehäuses 1 abrollbare Kugel 38 sowie eine diese belastende Druckfeder 39 auf, welche durch einen Spannstift 4o abgestützt ist. Die Kugel 38 rastet jeweils in eine der beiden Rastaussparungen 2o der Lageraufnahme 11 ein, um den Mitnehmer 5 wahlweise in seiner Verriegelungsstellung, die in Fig. 4 mit ausgezogenen Linien dargestellt ist, oder in seiner Entriegelungsstellung, die in Fig. 4 mit strichpunktierten Linien dargestellt ist, lösbar zu halten.The driver 5 has a hollow cylinder 32 encompassing the bearing receptacle 11 of the housing 1, a link groove 33 extending over an angular range of approximately 90 degrees and a two-armed flange 34 formed on the outside of the hollow cylinder, on the arm ends of which there are hanging eyes 35 or the like. for the tie rods 6. On the side of the flange 34 facing away from the link groove 33 there is a material attachment 36 which is formed in one piece with the driver 5 and which is provided with a bore 37 which is oriented perpendicularly to the axis of the hollow cylinder 32 and also penetrates the hollow cylinder 32. The bore 37 receives a ball 38 that can be rolled off on the outer casing of the bearing receptacle 11 of the housing 1 and a compression spring 39 that loads it and is supported by a spring pin 40. The ball 38 engages in one of the two latching recesses 20 of the bearing receptacle 11, around the driver 5 either in its locking position, which is shown in FIG. 4 with solid lines, or in its unlocking position, which is shown in FIG. 4 with dash-dotted lines is to keep solvable.

Die nur im Schnitt nach Fig. 2 erkennbare Kulissennut 33 im Mitnehmer 5 ist beidendig verschlossen. Beim Drehen des Aussengriffkörpers 2 greift der Mitnehmerzapfen 3o an einKulissennutende an, um den Mitnehmer 5 in die Verriegelungs- oder Entriegelungsstellung (vergleiche Fig. 4) zu bewegen. Sobald der Mitnehmer 5 die eine oder andere Position eingenommen hat, schwenkt der Aussengriffkörper 2, unterstützt durch die Rückstellfeder 31 in seine Mittenstellung nach Fig. 1 zurück, wobei der Mitnehmerzapfen 3o die Kulissennut 33 frei durchläuft, um sich dann an das andere Kulissennutende anzulegen. Es ist noch zu erwähnen und aus Fig. 4 ersichtlich, daß die Zugstangen 6 beim Überführen aus der Verriegelungsstellung in die Entriegelungsstellung über Totpunkt laufen müssen, weil sie jeweils ausserhalb der Horizontalen 41 am Flansch 34 des Mitnehmers 5 angeschlossen sind. Damit können die Zugstangen 6 bei einem Einbruchversuch, z.B. beim Ansetzen eines Werkzeuges im Türdichtungsbereich, nicht entriegelt werden.The link groove 33 in the driver 5, which can only be seen in the section according to FIG. 2, is closed at both ends. When the outer handle body 2 is rotated, the driver pin 3o engages a slotted groove end in order to move the driver 5 into the locking or unlocking position (see FIG. 4). As soon as the driver 5 has assumed one or the other position, the outer handle body 2 pivots back into its central position according to FIG. 1, supported by the return spring 31, the driver pin 3o freely passing through the link groove 33, in order then to contact the other link groove end. It should also be mentioned and from FIG. 4 that the tie rods 6 must run over dead center when moving from the locking position into the unlocking position because they are each connected to the flange 34 of the driver 5 outside the horizontal 41. The tie rods 6 can thus be used in the event of an attempted break-in, e.g. when placing a tool in the door seal area, do not unlock.

Der Innengriffkörper 4 besitzt einen zweiteiligen Aufbau und besteht aus einem Adapter 42 und einem damit verbundenen Griffrad 43. Der Adapter 42 ist buchsenartig ausgebildet und weist einen Boden 44 auf, der von einem zylindrischen Fortsatz 45 überragt wird. Im Boden 44 des Adapters 42 ist eine zentrische Bohrung 46 und eine bogenförmige Aussparung 47 ausgebildet. Der Adapter 42 ist an die Lageraufnahme 11 des Gehäuses 1 angesetzt, wobei die Böden 12 und 44 aneinander zu liegen kommen, der Zapfen 25 die Bohrung 46 durchsetzt, der Zapfen 14 die Aussparung 47 durchsetzt und der Fortsatz 45 den Hohlzylinder 32 des Mitnehmers 5 bereichsweise übergreift. Mittels des Befestigungselements 26, bei dem es sich z.B. um eine ihr Gewinde selbstschneidende Schraube handeln kann, einer Unterlegscheibe und einer ein sich Lösen der Schraube verhindernden Zahnscheibe ist der Adapter 42 am Gehäuse 1 festgelegt. Die bogenförmige Aussparung 47 mit dem darin eingreifenden Zapfen 14 erlaubt nur eine Drehbewegung des Innengriffkörpers 4 im Sinne einer Entriegelungsbewegung. Durch eine Verlängerung der Aussparung könnte natürlich auch eine Schließbewegung des Innengriffkörpers und damit eine Verriegelung der Fahrzeugtür von innen realisiert werden, was aber aus verschiedenen Gründen nicht erwünscht ist.The inner handle body 4 has a two-part construction and consists of an adapter 42 and a grip wheel 43 connected to it. The adapter 42 is designed like a socket and has a bottom 44 which is surmounted by a cylindrical extension 45. A central bore 46 and an arcuate recess 47 are formed in the bottom 44 of the adapter 42. The adapter 42 is attached to the bearing receptacle 11 of the housing 1, the bottoms 12 and 44 coming to lie against one another, the pin 25 passing through the bore 46, the pin 14 passing through the recess 47 and the extension 45 passing through the hollow cylinder 32 of the driver 5 in some areas spreads. The adapter 42 is fixed to the housing 1 by means of the fastening element 26, which can be, for example, a screw that taps its thread, a washer and a toothed disk that prevents the screw from loosening. The arcuate recess 47 with the pin 14 engaging therein allows only a rotational movement of the inner handle body 4 in the sense of an unlocking movement. An extension of the recess could of course also result in a closing movement of the inner handle body and thus a locking of the vehicle door from the inside, but this is not desirable for various reasons.

Der Fortsatz 45 des Adapters 42 weist eine Unterbrechung 48 auf, in die der Materialansatz 36 des Mitnehmers 5 eingreift. Sofern der Materialansatz 36 am Ende 49 der Unterbrechung 48 anliegt (in diesem Falle befinden sich die Zugstangen 6 in Verriegelungsstellung) kann der Mitnehmer 5 durch Drehen des Innengriffkörpers 4 in seine Entriegelungsposition (in Fig. 4 strichpunktiert dargestellt) überführt werden. Nach der Entriegelungsbewegung dreht sich der Innengriffkörper 4 in seine Ausgangslage automatisch zurück, wozu eine Rückstellfeder 5o vorgesehen ist, die sich mit einem Schenkelende am Zapfen 14 und mit dem anderen Schenkelende in einer Schlitzöffnung 51 des Adapters 42 abstützt. Die Rückstellbewegung wird durch das andere Ende 52 der Unterbrechung 48, welches am Materialansatz 36 zur Anlage kommt, gestoppt.The extension 45 of the adapter 42 has an interruption 48, in which the material approach 36 of the driver 5 engages. If the material approach 36 abuts the end 49 of the interruption 48 (in this case, the tie rods 6 are in the locking position), the driver 5 can be transferred into its unlocked position (shown in dash-dot lines in FIG. 4) by turning the inner handle body 4. After the unlocking movement, the inner handle body 4 automatically rotates back into its starting position, for which purpose a return spring 5o is provided, which is supported with one leg end on the pin 14 and with the other leg end in a slot opening 51 of the adapter 42. The restoring movement is stopped by the other end 52 of the interruption 48, which comes into contact with the material attachment 36.

Der Adapter 42 weist an seinem freien Ende Klipsnasen 53 auf, welche von mit Rastnasen 54 versehenen Federarmen 55 des Griffrades 43 hintergriffen werden. Montageöffnungen 56 ermöglichen im Bedarfsfalle eine Demontage.The adapter 42 has clip lugs 53 at its free end, which are engaged by spring arms 55 of the grip wheel 43 provided with locking lugs 54. Mounting openings 56 allow disassembly if necessary.

Der erfindungsgemäße Verschluß, der unter Zwischenschaltung von Dichtungselementen 57,58,die ein Eindringen von Nässe oder Feuchtigkeit in das Türinnere verhindern sollen, schnell und einfach zu montieren ist, zeichnet sich in verschiedener Hinsicht aus. Da der Aussengriffkörper 2 nur bei steckendem Schlüssel 28 verdreht werden kann, ist eine Betätigung desselben durch dazu Unbefugte ausgeschlossen. Andererseits kann der Verschluß mittels Schlüssel problemlos betätigt werden. Von besonderem Vorteil ist die durch die Erfindung gegebene Möglichkeit, eine verriegelte Tür auch von innen her problemlos entriegeln und öffnen zu können. Dabei ist es weiterhin von Vorteil, daß für den Innengriffkörper nur eine Entriegelungsmöglichkeit gegeben ist, weil hierdurch ausgeschlossen werden kann, daß durch Manipulationen am Innengriffkörper eine nicht gewollte Verriegelung herbeigeführt wird. Eine vom Fahrer nicht bemerkte Verriegelung könnte nämlich beim öffnen der Tür über die Druckluftautomatik erhebliche Schäden verursachen. In Anbetracht dessen sieht die Erfindung auch vorsorglich eine Sicherungseinrichtung vor, die beispielsweise aus einer am Armaturenbrett installierten Warnlampe besteht und dem Fahrer anzeigt, ob die Verriegelung geöffnet oder geschlossen ist. Die Warnlampe kann beispielsweise über die Fahrzeugelektrik gesteuer werden und mit einem Mikroschalter 59 zusammenwirken, der an einem Gehäuseansatz 6o sitzt und geschlossen ist, wenn sich die Zugstangen 6 in Verriegelungsposition befinden.The closure according to the invention, which can be assembled quickly and easily with the interposition of sealing elements 57, 58, which are intended to prevent the ingress of moisture or moisture into the interior of the door, is distinguished in various respects. Since the outer handle body 2 can only be turned when the key 28 is inserted, actuation of the same by unauthorized persons is ruled out. On the other hand, the lock can be easily operated using a key. Of particular advantage is the possibility given by the invention of being able to unlock and open a locked door easily from the inside. It is also advantageous that there is only one unlocking possibility for the inner handle body, because this can rule out that an unwanted locking is brought about by manipulations on the inner handle body. A locking mechanism not noticed by the driver could cause considerable damage when the door is opened using the automatic compressed air system. In view of this, the invention also provides, as a precaution, a safety device which, for example, consists of a warning lamp installed on the dashboard and indicates to the driver whether the lock is open or closed. The warning lamp can be controlled, for example, via the vehicle electrical system and cooperate with a microswitch 59, which sits on a housing attachment 6o and is closed when the tie rods 6 are in the locking position.

Claims (15)

  1. A lock, especially for the outward-swinging doors of omnibuses, comprising a housing (1) to be secured to a door (7), said housing (1) accommodating an outer and an inner handle body (2, 4) and a driver (5) which engages therewith for the tension rods (6) which serve to lock or unlock the door (7) in a rotational arrangement, whereby the outer handle body (2) engages with the driver (5) in a locking and unlocking movement and the inner handle body (4) engages with the driver (5) exclusively in an unlocking movement, and whereby the outer handle body (2) is provided with a cylinder lock (3) to block its rotational movement.
  2. A lock according to Claim 1, characterised in that the outer handle body (2) is arranged on the housing (1) such that it may be moved from its central position against the force of a return spring (31) through approximately 90 angular degrees to the right and through approximately 90 angular degrees to the left.
  3. A lock according to either Claim 1 or 2, characterised in that the outer handle body (2) is arranged recessed in a housing cavity (9).
  4. A lock according to any one of Claims 1 to 3, characterised in that the outer handle body (2) is formed integrally with a receptacle housing (22) for the cylinder lock (3) and engages together therewith in a sleeve-shaped bearing receptacle (11) of the housing (1), whereby the receptacle housing (22) and the bearing receptacle (11) are each provided with a radial slit aperture (19, 27), through which the locking bolt (29) of the cylinder lock (3) can project, said locking bolt (29) actuated by a key (28), when the outer handle body (2) is in its central position.
  5. A lock according to any one of Claims 1 to 4, characterised in that the mechanism of the cylinder lock (3) is such that the key (28) can only be withdrawn if the locking bolt (29) is in its locking position.
  6. A lock according to any one of Claims 1 to 5, characterised in that the outer handle body (2) bears a centrally arranged pin (25) in axial extension of the receptacle housing (22), said pin (25) projecting through a bore (13) in the bottom (12) of the bearing receptacle (11) and serving to take up a fastening element (26) which also secures the inner handle body (4) to the housing (1).
  7. A lock according to any one of Claims 1 to 6, characterised in that the outer handle body (2) has an eccentrically arranged driving pin (30) on the rear side of its grip region (21), said driving pin (30) extending parallel to the receptacle housing (22), projecting through a curved slit aperture (18) in the housing cavity (9) and engaging with its free end in a link groove (33) of the driver (5), both ends of said link groove (33) limited by stops.
  8. A lock according to any one of Claims 1 to 7, characterised in that the curved slit aperture (18) in the housing cavity (9), and the driving pin (30) projecting through it, limit the rotational movement of the outer handle body (2).
  9. A lock according to any one of Claims 1 to 8, characterised in that the driver (5) is provided with a hollow cylinder (32) which embraces the bearing receptacle (11) of the housing (1), a link groove (33) which extends over an angle range of approximately 90 degrees and an oval-shaped flange (34) which is arranged on the outside of the hollow cylinder (32), with clevis-type eyelets (35) provided on the end regions of said flange (34) for the tension rods (6).
  10. A lock according to any one of Claims 1 to 9, characterised in that the driver (5) is provided with a material projection (36) on that side of the flange (34) facing away from the link groove (33), said material projection (36) extending up to the hollow cylinder (32) and with a bore (37) arranged perpendicular to the axis of, and passing through, the hollow cylinder (32), said bore serving to accommodate a spring-loaded sphere (38) which rolls along the casing of the bearing receptacle (11) of the housing (1) and finding two detent recesses there.
  11. A lock according to any one of Claims 1 to 10, characterised in that the material projection (36) of the driver (5) enables an unlocking movement thereof by virtue of the inner handle body (4) engaging with it.
  12. A lock according to any one of Claims 1 to 11, characterised in that the inner handle body (4), which may be rotated through approximately 90 angular degrees in an unlocking movement against the force of a return spring (50), comprises an adapter (42) which is secured to the housing (1) such that it can be rotated and a grip piece (43) which can be clipped onto it.
  13. A lock according to any one of Claims 1 to 12, characterised in that the housing (1) has a pin (14) on the bottom (12) of the bearing receptacle (11), said pin (14) projecting through a curved recess (47) in the adapter bottom (44) to limit the rotation angle, so that the inner handle body (4) cannot be actuated in a locking movement.
  14. A lock according to any one of Claims 1 to 13, characterised in that the adapter (42) has a cylindrical extension (45) projecting beyond its bottom (44) and with a gap (48) in which the material projection (36) of the driver (5) engages, so that it can serve both as a driving pin and as a stop pin for the inner handle body (4).
  15. A lock according to any one of Claims 1 to 14, characterised in that it is provided with a control device which indicates the locking or unlocking position.
EP90116522A 1989-09-04 1990-08-29 Lock, specially for outside swing doors of buses Expired - Lifetime EP0416448B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3929324 1989-09-04
DE3929324A DE3929324A1 (en) 1989-09-04 1989-09-04 LOCKING, ESPECIALLY FOR EXTERNAL SWING DOORS OF OMNIBUSES

Publications (2)

Publication Number Publication Date
EP0416448A1 EP0416448A1 (en) 1991-03-13
EP0416448B1 true EP0416448B1 (en) 1993-12-08

Family

ID=6388591

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90116522A Expired - Lifetime EP0416448B1 (en) 1989-09-04 1990-08-29 Lock, specially for outside swing doors of buses

Country Status (6)

Country Link
EP (1) EP0416448B1 (en)
DE (2) DE3929324A1 (en)
ES (1) ES2047783T3 (en)
FI (1) FI93479C (en)
HU (1) HU210309B (en)
YU (1) YU47917B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4238712A1 (en) * 1992-11-17 1994-05-19 Happich Gmbh Gebr Outer swing door lock
DE29615978U1 (en) * 1996-02-13 1997-06-12 Hörmann KG Brockhagen, 33803 Steinhagen Door fitting with lock cylinder integrated in the rotary knob
DE10250225B4 (en) * 2002-10-29 2004-12-09 Huf Hülsbeck & Fürst Gmbh & Co. Kg Device for actuating locks on doors or flaps of vehicles
DE202004014771U1 (en) * 2004-09-21 2005-02-17 Happich Fahrzeug- Und Industrieteile Gmbh Closure, in particular for exterior swinging doors of buses
TR200504839A2 (en) * 2005-12-05 2006-08-21 Temsa Sanayi̇ Ve Ti̇caret A Ş. Lock mechanism that does not allow the vehicle doors to be locked from the inside.
DE602007008871D1 (en) * 2007-07-02 2010-10-14 Makersan Makina Otomotiv Sanay Locking device for bus door

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7517403U (en) * 1975-10-02 Huelsbeck & Fuerst Locking device for doors
US3800573A (en) * 1972-05-11 1974-04-02 Kysor Industrial Corp Free inside knob lock set
JPS50108890U (en) * 1974-02-20 1975-09-05
DE3419543C2 (en) * 1984-05-25 1986-04-24 Audi AG, 8070 Ingolstadt Closure for side doors of motor vehicles
DE3639043C1 (en) * 1986-11-14 1988-01-28 Audi Ag Locking mechanism for motor-vehicle doors

Also Published As

Publication number Publication date
DE59003775D1 (en) 1994-01-20
YU162390A (en) 1994-09-09
HU905750D0 (en) 1991-03-28
FI93479C (en) 1995-04-10
ES2047783T3 (en) 1994-03-01
HU210309B (en) 1995-03-28
FI904325A0 (en) 1990-09-03
YU47917B (en) 1996-05-20
HUT58852A (en) 1992-03-30
DE3929324A1 (en) 1991-03-07
FI93479B (en) 1994-12-30
EP0416448A1 (en) 1991-03-13

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