EP2094924A2 - Door lock for doors of aircraft, especially of helicopters - Google Patents

Door lock for doors of aircraft, especially of helicopters

Info

Publication number
EP2094924A2
EP2094924A2 EP07856019A EP07856019A EP2094924A2 EP 2094924 A2 EP2094924 A2 EP 2094924A2 EP 07856019 A EP07856019 A EP 07856019A EP 07856019 A EP07856019 A EP 07856019A EP 2094924 A2 EP2094924 A2 EP 2094924A2
Authority
EP
European Patent Office
Prior art keywords
door
hook
locking
catch
locking hook
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP07856019A
Other languages
German (de)
French (fr)
Other versions
EP2094924B1 (en
Inventor
Klaus KÖPPEL
Alexander Rowbut
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.)
Airbus Helicopters Deutschland GmbH
Original Assignee
Eurocopter Deutschland 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 Eurocopter Deutschland GmbH filed Critical Eurocopter Deutschland GmbH
Publication of EP2094924A2 publication Critical patent/EP2094924A2/en
Application granted granted Critical
Publication of EP2094924B1 publication Critical patent/EP2094924B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B83/00—Vehicle locks specially adapted for particular types of wing or vehicle
    • E05B83/16—Locks for luggage compartments, car boot lids or car bonnets
    • E05B83/24—Locks for luggage compartments, car boot lids or car bonnets for car bonnets
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B83/00—Vehicle locks specially adapted for particular types of wing or vehicle
    • E05B83/16—Locks for luggage compartments, car boot lids or car bonnets
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/0911—Hooked end
    • Y10T292/0926—Spring projected
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y10T292/1044—Multiple head
    • Y10T292/1045—Operating means
    • Y10T292/1047—Closure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/50—Special application
    • Y10T70/5093—For closures
    • Y10T70/5155—Door

Definitions

  • the invention relates to a door lock for doors of aircraft, in particular of helicopters according to the preamble of claim 1.
  • Such doors are known for the approach of the pilot formed as gullwing doors. Unlike land vehicles, the doors which are provided there within the openings provided in the fuselage structure must be absolutely securely closed - infiltrated - in aircraft, whereby so-called gas pressure springs are generally provided for the necessary sealing between door and door opening.
  • the doors of a helicopter make the first contact with the aircraft and thus determine the first impression to the respective user. There is therefore a requirement that doors are self-explanatory of their operability and function and do not already constitute the first manual and / or technical obstacle when entering the helicopter.
  • the functions of the door lock should also be understandable and logical without additional signs and instructions for everyone.
  • a generic, all features of the preamble of claim 1 having door locking device for doors of helicopters is available for the helicopter Eurocopter EC 135 as an optional extra and in use.
  • DE 103 59 737 A1 discloses a device for locking a front hood of a motor vehicle.
  • the device has at least one
  • Main closure and at least one additional closure each one Include rotary latch with pawl and lockable by the catch in the closed position of the front cover closing member.
  • the closing member of the additional closure is designed so that when unlocked main closure only after a desired opening stroke of the front hood uses a locking action between closing member and rotary latch of the additional closure.
  • a disadvantage here proves that in Vorrastsander, ie after activation of the catch between the front hood and body remains a gap.
  • the invention is therefore an object of the invention to provide a new door lock device that is better than previously operated while maintaining the security lock.
  • the new door lock is surprisingly advantageous.
  • Wedge surface and catch level of the pivoting wedge are arranged at its end faces of catch and locking hooks facing effective surface, which acted upon by a torsion spring with respect to its bearing pin 5 in the counterclockwise pivoting wedge, as soon as the catching stage is in operative connection with an extension of the fishing hook, this in his in situation reached to stop pin position locks.
  • the inventive design of the door lock facilitates the safe 10 closing of such doors considerably and therefore significantly increases the ease of use for the crew of a helicopter.
  • 1 is an isometric view of a specific for a gullwing door of a helicopter locking device according to the invention, 20th
  • FIG. 2 is a plan view of the locking device of FIG .. 1
  • Fig. 3 is a side view of the locking device of FIG. 1 in the direction of the arrow A r. 5
  • Fig. 4 is a side view of the locking device of Figure 1 in the direction of arrow B with the locking members supporting support plate and 0
  • Fig. 5 is a side view of the locking device of FIG. 1 in the direction of arrow C.
  • a locking device for the wing door also not shown, of an aircraft, also not shown, in particular a helicopter, is shown in Figs. 1 to 5, only one of the hinged door firmly connected locking devices 10 which are actuated via a likewise not shown a hand lever exhibiting linkage and each cooperate with a fitting attached to the fuselage structure of the aircraft serving as a catch 11.
  • Each of the locking devices 10 has an angular support plate 12, whose angled by about 90 ° part forms a flange 13 which is obliquely - see Fig. 4 - arranged to the approximately horizontal plane of action of the locking device.
  • the respective locking device is attached to the wing door of the helicopter by means of screws, not shown here.
  • the flange 13 carries a bearing pin 15 for a pivotally mounted pivoting wedge 16, which is acted upon by a torsion spring 17 in the counterclockwise direction cf.
  • a plate-shaped extension 18 of the support plate 12 carries a bearing pin 19 for receiving the locking members to be described and has at its free end to the bolt 20 of the catch 11 facing slot-shaped opening 22.
  • the trailing edge 23 of the slot-shaped opening 22 serves as a stop and thus as a limitation of the movement of the hinged door in its closed position.
  • the pivoting wedge 16 engages through an opening 24 provided in its region in the extension 18 of the carrier plate 12 into the pivoting range of the locking members to be described.
  • the pivot wedge 16 has the purpose of leadership in the opening 24 of the pivot wedge 16
  • Support plate 12 has a lateral extension 26 which forms a common wedge surface 28 with the end face of the free end of the pivoting wedge; see. FIG. 5.
  • the said locking members comprise a catch hook 30 designed as a two-armed lever and adjacent thereto a locking hook 31, which also acts as a two-armed lever, acts as a so-called rotary latch and acts as a rotary latch - which are pivotally mounted on the bearing pin 19 of the support plate 12.
  • a Torsionsfeder 34 acts on the fishing hook 30 in a clockwise direction with respect to the bearing pin 19 - see. Figure 1.
  • the movement of the fishing hook 30 in the counterclockwise direction is limited by a stop pin 32 which is fixed in the plate-shaped extension 18 of the support plate 12.
  • the catch hook 30 has at its the bolt 20 facing the free end to a downwardly directed slot-shaped opening 36, the bolt facing the boundary terminates in a wedge surface 37.
  • the opposite lever arm of the fishing hook carries a support plate facing extension 38 which cooperates with the catching step 29 of the pivoting wedge 16; see.
  • the bolt 20 facing the free end of the two-armed locking hook 31 also has a slot-shaped opening 39, which merges at its free end in a wedge surface 40; see. Figure 3.
  • the said wedge surfaces 36 and 39 of the associated locking members, namely the catch hook 30 and the locking hook 31 support the catching and locking movement of the locking members in the clockwise direction about their bearing pin on the bolt 20 as soon as the hinged door by hand in a position close to the closed position is transferred.
  • the remote lever arm of the locking hook 31 carries a provided with a ball head 42 bearing pin 43 - see.
  • Figure 2 - which projects by means of a bushing 44 in the pivoting range of catch and locking hooks, as well as in the region of the wedge surface 28 of the pivoting wedge 16 in order to move them, as will be described.
  • the operation of the locking device described above is as follows:
  • the catch lever 30 is pivoted over the wedge surface 28 by the bolt 20 with respect to FIG. 3 in the clockwise direction around the bearing pin 19 against the action of the spring 34 by a small angle.
  • the catch hook with its opening 36 of a lever arm, the bolt 20 and moves with its other lever arm facing away from the pivot wedge 16 by means of its extension 38 - Figure 2 - against the action of the spring 17 in a clockwise direction until the lock position shown is reached in the Schenkkeil 16 and fishing hooks 30 are locked on the catching step 29 of the pivoting wedge and the attacking there extension 38 of the fishing hook.
  • the hinged door is held in the position just taken, so is "trapped".
  • the locking hook 31 is moved about the bearing pin 19 with respect to FIG. 3 in the clockwise direction, so engages this with its slot-shaped opening 39th now completely the bolt 20 and locks with simultaneous tightening of the door leaf in the door opening within the fuselage structure of the helicopter, this in the closed position.
  • the locking hook 31 carries, as already mentioned, at its free lever arm the bolt 43 with the ball head 42, which is in operative connection with said linkage for locking the door.

Landscapes

  • Lock And Its Accessories (AREA)

Abstract

The invention relates to a door lock comprising a door catch system for double door-type helicopter doors that can, when being closed, additionally be displaced perpendicularly to the plane of the door opening into the closed position (flush fitting). Said door lock comprises a catch element (30) associated with the latch element (31) and actively linked therewith, said catch element maintaining the door caught directly in front of its locked position when the door is manually closed until the door is translated to its final closed position via the latch element (31).

Description

Türschloss für Türen von Luftfahrzeugen, insbesondere von Hubschraubern Door lock for doors of aircraft, in particular helicopters
Die Erfindung betrifft ein Türschloss für Türen von Luftfahrzeugen, insbesondere von Hubschraubern gemäß dem Oberbegriff des Patentanspruches 1.The invention relates to a door lock for doors of aircraft, in particular of helicopters according to the preamble of claim 1.
Solche Türen sind für den Zustieg des Piloten bekanntlich als Flügeltüren ausgebildet. Anders als bei Landfahrzeugen müssen bei Luftfahrzeugen die dort innerhalb der in der Rumpfstruktur vorgesehenen Öffnungen vorhandenen Türen absolut sicher verschlossen - eingestrakt - sein, wobei für die notwendige Abdichtung zwischen Tür und Türöffnung in der Regel sogenannte Gasdruckfedern vorgesehen sind.Such doors are known for the approach of the pilot formed as gullwing doors. Unlike land vehicles, the doors which are provided there within the openings provided in the fuselage structure must be absolutely securely closed - infiltrated - in aircraft, whereby so-called gas pressure springs are generally provided for the necessary sealing between door and door opening.
Das Verschließen solcher Türen erfordert daher drei aufeinanderfolgende manuelle Handhabungen, nämlich Zuziehen der Tür, Halten der Tür in diesen Zustand und anschließend deren Verriegeln. Hierzu sind mit der Türstruktur mehrere Türschlösser verbunden, deren mit an der Rumpfstruktur befestigten Rasten zusammenwirkende Zuhaltungen über ein geeignetes einen Handgriff aufweisendes Gestänge gemeinsam betätigbar sind. Es ist also beim Schließen solcher Türen für die zwei letzten Handhabungen ein erheblicher Kraftaufwand nötig, da die jeweilige Tür beim Verriegeln ausreichend fest zuzuhalten ist. Ist die Tür nicht stark genug zugezogen, kann es passieren, dass infolge der Kraft der Gasfedern die eine oder andere Zuhaltung "in's Leere" greift und daher die betroffene Tür nicht ordnungsgemäß verschlossen ist. Darüber hinaus werden für das Schließen der Tür in der Regel beide Hände der betroffenen Person benötigt.The closing of such doors therefore requires three consecutive manual operations, namely closing the door, holding the door in this state and then locking it. For this purpose, a plurality of door locks are connected to the door structure, the cooperating with fixed to the hull structure detent tumblers via a suitable handle having a rod together are actuated. So it is when closing such doors for the last two manipulations a considerable effort required because the respective door is to hold sufficiently tight when locking. If the door is not closed enough, it may happen that one or the other lock is "in the void" due to the force of the gas springs and therefore the affected door is not properly closed. In addition, closing the door usually requires both hands of the person concerned.
Die bisher bekannten Türschlösser von Verriegelungsvorrichtungen für solcheThe previously known door locks of locking devices for such
Türen sind offensichtlich bedienerunfreundlich. Zwar hat man für das Türöffnen, so lange man vor dem Hubschrauber steht, genügend Platz undDoors are obviously user-unfriendly. Although you have to open the door, as long as you are in front of the helicopter, enough space and
Bewegungsfreiheit für das Öffnen und Schließen der Tür und kann ein Ziehen, . _. .Freedom of movement for opening and closing the door and can pull, , _. ,
Drücken und Drehen des Handgriffs ohne größere Schwierigkeiten ausführen. Dies ändert sich jedoch sofort nach dem Einsteigen und Platznehmen im Hubschrauber; bedingt durch die eingeschränkte Ergonomie und der Tatsache, dass Pilotensitze abhängig von Körpergröße nach vorne und nach oben verstellbar ausgebildet sind, ist dann das Bedienen solcher Türen um ein Vielfaches erschwert.Press and turn the handle without much difficulty. However, this changes immediately after boarding and seating in the helicopter; Due to the limited ergonomics and the fact that pilot seats are designed depending on body size forward and upward adjustable, then the operation of such doors is made much more difficult.
Die Türen eines Hubschraubers stellen den ersten Kontakt zum Fluggerät her und bestimmen somit den ersten Eindruck an den jeweiligen Benutzer. Es besteht daher Forderung, dass Türen von ihrer Bedienbarkeit und Funktion selbsterklärend ausgebildet sind und nicht schon das erste manuelle und/oder technische Hindernis beim Einstieg in den Hubschrauber bilden. Die Funktionen der Türverriegelung sollten ebenfalls ohne zusätzliche Beschilderungen und Hinweise für jedermann verständlich und logisch bedienbar sein.The doors of a helicopter make the first contact with the aircraft and thus determine the first impression to the respective user. There is therefore a requirement that doors are self-explanatory of their operability and function and do not already constitute the first manual and / or technical obstacle when entering the helicopter. The functions of the door lock should also be understandable and logical without additional signs and instructions for everyone.
Eine gattungsgemäße, sämtliche Merkmale des Oberbegriffs des Patentanspruches 1 aufweisende Türverriegelungsvorrichtung für Türen von Hubschraubern ist für den Hubschrauber Eurocopter EC 135 als Sonderausrüstung lieferbar und im Einsatz.A generic, all features of the preamble of claim 1 having door locking device for doors of helicopters is available for the helicopter Eurocopter EC 135 as an optional extra and in use.
Aus der DE 37 07 323 A1 ist ein Türverriegelungssystem, insbesondere für eine Hubschraubertür mit zwei gegensinnig arbeitenden Wiegenschlössem, durch die der Türflügel in der Schließlage bezüglich des Türrahmens selbsttätig zentriert und mit diesem in Richtung der Flächenerstreckung des Türflügels druck- oder zugverspannt wird, bekannt. Als nachteilig erweist sich hierbei, dass der Türflügel beim Verriegeln in der Schließlage festzuhalten ist, so dass für einen Schließvorgang zwei Hände benötigt werden.From DE 37 07 323 A1 discloses a door locking system, in particular for a helicopter door with two counter-acting Wiegenschlössem, through which the door in the closed position with respect to the door frame automatically centered and with this in the direction of the surface extension of the door pressure or zugverspannt known. A disadvantage here proves to be that the door is locked during locking in the closed position, so that two hands are needed for a closing operation.
In der DE 103 59 737 A1 ist eine Vorrichtung zur Verriegelung einer Fronthaube eines Kraftfahrzeuges offenbart. Die Vorrichtung weist mindestens einenDE 103 59 737 A1 discloses a device for locking a front hood of a motor vehicle. The device has at least one
Hauptverschluss und mindestens einen Zusatzverschluss auf, die jeweils eine Drehfalle mit Sperrklinke und ein durch die Drehfalle in der Schließstellung der Fronthaube verriegelbares Schließglied umfassen. Zur anfänglichen Begrenzung des Öffnungshubs der Fronthaube ist das Schließglied des Zusatzverschlusses so ausgebildet, dass bei entriegeltem Hauptverschluss erst nach einem gewollten Öffnungshub der Fronthaube eine Verriegelungswirkung zwischen Schließglied und Drehfalle des Zusatzverschlusses einsetzt. Als nachteilig erweist sich hierbei, dass in Vorraststeilung, d. h. nach Aktivierung der Drehfalle zwischen Fronthaube und Karosserie ein Spalt verbleibt.Main closure and at least one additional closure, each one Include rotary latch with pawl and lockable by the catch in the closed position of the front cover closing member. For the initial limitation of the opening stroke of the front hood, the closing member of the additional closure is designed so that when unlocked main closure only after a desired opening stroke of the front hood uses a locking action between closing member and rotary latch of the additional closure. A disadvantage here proves that in Vorraststeilung, ie after activation of the catch between the front hood and body remains a gap.
Der Erfindung liegt daher die Aufgabe zugrunde, eine neue Türverriegelungsvorrichtung zu schaffen, die unter Beibehalten der Schließsicherheit besser als bisher bedienbar ist.The invention is therefore an object of the invention to provide a new door lock device that is better than previously operated while maintaining the security lock.
Ausgehend von einer Türverriegelung der eingangsgenannten Art ist diese Aufgabe gemäß der Erfindung durch die kennzeichnenden Merkmale des Patentanspruches 1 gelöst.Based on a door lock of the type mentioned above, this object is achieved according to the invention by the characterizing features of claim 1.
Weitere Merkmale der Erfindung ergeben sich aus den Unteransprüchen.Further features of the invention will become apparent from the dependent claims.
Die neue Türverriegelung ist überraschend vorteilhaft.The new door lock is surprisingly advantageous.
Mit Hilfe des erfindungsgemäßen Fanghakens, der mit dem Verriegelungshaken in getrieblicher Wirkverbindung steht, wird nämlich vor dem Wirksamwerden des Verriegelungshakens die betroffene, als Flügeltür ausgebildete Tür in der Schließlage, in der der Verriegelungshaken erst im Bereich der Raste ist, "gefangen", sodass allein durch weiteres Bewegen des Verriegelungshakens in dessen Schließlage über den genannten Handgriff die Tür in ihre endgültige Schließlage überführbar ist, ohne das hierzu ein Halten/Anziehen/Andrücken der Tür in die in der Rumpfstruktur vorhandene Öffnung von Hand notwendig ist. Bei der Überführung des Verriegelungshakens in ihre endgültige Schließstellung wird über die getriebliche Verbindung, die erfindungsgemäß als senkrecht zur Schwenkachse von Verriegelungs- und Fanghaken angeordneter federbelasteter Schwenkkeil ausgebildet ist, der Fanghaken für einen neuen Schließvorgang wieder freigegeben. Keilfläche und Fangstufe des Schwenkkeils sind an seiner den Endbereichen von Fang- und Verriegelungshaken zugewandten Wirkfläche angeordnet, wobei der von einer Torsionsfeder in Bezug auf seinen Lagerbolzen 5 im Gegenzeigersinne beaufschlagte Schwenkkeil, sobald die Fangstufe in Wirkverbindung mit einem Fortsatz des Fanghakens ist, diesen in seiner in Anlage zum Anschlagstift gelangten Lage sperrt.With the help of Fanghakens invention, which is in operative connection with the locking hook, namely the affected, designed as a hinged door door in the closed position, in which the locking hook is only in the region of the catch, "caught" before the effective date of the locking hook, so alone by further moving the locking hook in its closed position over the said handle, the door is in its final closed position can be transferred, without this is a holding / tightening / pressing the door in the present in the hull structure opening by hand is necessary. When transferring the locking hook in its final closed position is on the geared connection, which according to the invention as arranged perpendicular to the pivot axis of the locking and catch hook spring-loaded Swivel wedge is formed, the catch hook released for a new closing operation. Wedge surface and catch level of the pivoting wedge are arranged at its end faces of catch and locking hooks facing effective surface, which acted upon by a torsion spring with respect to its bearing pin 5 in the counterclockwise pivoting wedge, as soon as the catching stage is in operative connection with an extension of the fishing hook, this in his in situation reached to stop pin position locks.
Die erfindungsgemäße Ausbildung der Türverriegelung erleichtert das sichere 10 Schließen solcher Türen erheblich und steigert daher den Bedienungskomfort für die Crew eines Hubschraubers wesentlich.The inventive design of the door lock facilitates the safe 10 closing of such doors considerably and therefore significantly increases the ease of use for the crew of a helicopter.
Die Erfindung ist nachfolgend anhand einer in der Zeichnung mehr oder minder schematisch dargestellten Ausführungsbeispiels beschrieben. 15The invention is described below with reference to an embodiment shown more or less schematically in the drawing. 15
Es zeigen:Show it:
Fig. 1 eine isometrische Ansicht einer für eine Flügeltür eines Hubschraubers bestimmte Verriegelungsvorrichtung gemäß der Erfindung, 201 is an isometric view of a specific for a gullwing door of a helicopter locking device according to the invention, 20th
Fig. 2 eine Draufsicht auf die Verriegelungsvorrichtung nach Fig. 12 is a plan view of the locking device of FIG .. 1
Fig. 3 eine Seitenansicht der Verriegelungsvorrichtung nach Fig. 1 in Richtungdes Pfeiles A r 5Fig. 3 is a side view of the locking device of FIG. 1 in the direction of the arrow A r. 5
Fig. 4 eine Seitenansicht der Verriegelungsvorrichtung nach Fig. 1 in Richtung des Pfeiles B mit der die Verriegelungsorgane tragende Trägerplatte und 0 Fig. 5 eine Seitenansicht der Verriegelungsvorrichtung nach Fig. 1 in Richtung des Pfeiles C. Von einer Verriegelungsvorrichtung für die nicht dargestellte Flügeltür eines ebenfalls nicht dargestellten Luftfahrzeuges, insbesondere eines Hubschraubers, ist in den Fig. 1 bis 5 lediglich eine der mit der Flügeltür fest verbundenen Verriegelungsvorrichtungen 10 gezeigt, die über ein ebenfalls nicht dargestelltes einen Handhebel aufweisendes Gestänge betätigbar sind und jeweils mit einem an der Rumpfstruktur des Luftfahrzeuges befestigten als Raste 11 dienenden Beschlag zusammenwirken.Fig. 4 is a side view of the locking device of Figure 1 in the direction of arrow B with the locking members supporting support plate and 0 Fig. 5 is a side view of the locking device of FIG. 1 in the direction of arrow C. From a locking device for the wing door, also not shown, of an aircraft, also not shown, in particular a helicopter, is shown in Figs. 1 to 5, only one of the hinged door firmly connected locking devices 10 which are actuated via a likewise not shown a hand lever exhibiting linkage and each cooperate with a fitting attached to the fuselage structure of the aircraft serving as a catch 11.
Jede der Verriegelungsvorrichtungen 10 weist eine winkelförmige Trägerplatte 12 auf, deren um etwa 90° abgewinkeltes Teil einen Flansch 13 bildet, der schräg - siehe Fig. 4 - zur etwa waagerechten Wirkungsebene der Verriegelungsvorrichtung angeordnet ist. Über den Flansch 13 wird mittels hier nicht dargestellter Schrauben die jeweilige Verriegelungsvorrichtung an der Flügeltür des Hubschraubers befestigt.Each of the locking devices 10 has an angular support plate 12, whose angled by about 90 ° part forms a flange 13 which is obliquely - see Fig. 4 - arranged to the approximately horizontal plane of action of the locking device. About the flange 13, the respective locking device is attached to the wing door of the helicopter by means of screws, not shown here.
Der Flansch 13 trägt einen Lagerbolzen 15 für einen schwenkbar gelagerten Schwenkkeil 16, der von einer Torsionsfeder 17 im Gegenuhrzeigersinne beaufschlagt ist vgl. Figur 1. Ein plattenförmiger Fortsatz 18 der Trägerplatte 12 trägt einen Lagerbolzen 19 für die Aufnahme der noch zu beschreibenden Riegelorgane und weist an seinem freien Ende eine dem Bolzen 20 der Raste 11 zugewandte schlitzförmige Öffnung 22 auf. Die Hinterkante 23 der schlitzförmigen Öffnung 22 dient als Anschlag und damit als Begrenzung der Bewegung der Flügeltür in ihre Schließstellung. Der Schwenkkeil 16 greift durch einen in seinen Bereich vorgesehenen Durchbruch 24 im Fortsatz 18 der Trägerplatte 12 hindurch in den Schwenkbereich der noch zu beschreibenden Riegelorgane.The flange 13 carries a bearing pin 15 for a pivotally mounted pivoting wedge 16, which is acted upon by a torsion spring 17 in the counterclockwise direction cf. Figure 1. A plate-shaped extension 18 of the support plate 12 carries a bearing pin 19 for receiving the locking members to be described and has at its free end to the bolt 20 of the catch 11 facing slot-shaped opening 22. The trailing edge 23 of the slot-shaped opening 22 serves as a stop and thus as a limitation of the movement of the hinged door in its closed position. The pivoting wedge 16 engages through an opening 24 provided in its region in the extension 18 of the carrier plate 12 into the pivoting range of the locking members to be described.
Der Schwenkkeil 16 besitzt zwecks Führung in dem Durchbruch 24 derThe pivot wedge 16 has the purpose of leadership in the opening 24 of the
Trägerplatte 12 einen seitlichen Fortsatz 26, der mit der Stirnseite des freien Endes des Schwenkkeils eine gemeinsame Keilfläche 28 bildet; vgl. Figur 5.Support plate 12 has a lateral extension 26 which forms a common wedge surface 28 with the end face of the free end of the pivoting wedge; see. FIG. 5.
Ferner ist seitlich versetzt zur Keilfläche 28 eine Fangstufe 29 - Figur 2 - vorgesehen, die, wie noch zu beschreiben ist, der zeitweiligen Verriegelung eines der Riegelorgane dient.Furthermore, laterally offset from the wedge surface 28 a catching step 29 - Figure 2 - provided, which, as will be described, the temporary locking of one of the locking members is used.
Die genannten Riegelorgane umfassen einen als zweiarmigen Hebel ausgebildeten Fanghaken 30 und diesen benachbart einen ebenfalls als zweiarmigen Hebel ausgebildeten, als sog. Drehfalle wirkenden Verriegelungshaken 31 , - der als Drehfalle wirkt -, die auf dem Lagerbolzen 19 der Trägerplatte 12 schwenkbar gelagert sind. Eine Trosionsfeder 34 beaufschlagt den Fanghaken 30 im Uhrzeigersinne in Bezug auf den Lagerbolzen 19 - vgl. Figur 1. Die Bewegung des Fanghakens 30 im Gegenzeigersinne ist durch einen Anschlagstift 32 begrenzt, der im plattenförmigen Fortsatz 18 der Trägerplatte 12 befestigt ist. Der Fanghaken 30 weist an seinem dem Bolzen 20 zugewandten freien Ende eine nach unten gerichtete schlitzförmige Öffnung 36 auf, deren dem Bolzen zugewandte Begrenzung in einer Keilfläche 37 ausläuft. Der abgewandte Hebelarm des Fanghakens trägt einen der Trägerplatte zugewandten Fortsatz 38, der mit der Fangstufe 29 des Schwenkkeils 16 zusammenwirkt; vgl. Figur 2.The said locking members comprise a catch hook 30 designed as a two-armed lever and adjacent thereto a locking hook 31, which also acts as a two-armed lever, acts as a so-called rotary latch and acts as a rotary latch - which are pivotally mounted on the bearing pin 19 of the support plate 12. A Torsionsfeder 34 acts on the fishing hook 30 in a clockwise direction with respect to the bearing pin 19 - see. Figure 1. The movement of the fishing hook 30 in the counterclockwise direction is limited by a stop pin 32 which is fixed in the plate-shaped extension 18 of the support plate 12. The catch hook 30 has at its the bolt 20 facing the free end to a downwardly directed slot-shaped opening 36, the bolt facing the boundary terminates in a wedge surface 37. The opposite lever arm of the fishing hook carries a support plate facing extension 38 which cooperates with the catching step 29 of the pivoting wedge 16; see. FIG. 2.
Das dem Bolzen 20 zugewandte freie Ende des zweiarmigen Verriegelungshakens 31 weist ebenfalls eine schlitzförmige Öffnung 39 auf, die an ihrem freien Ende in eine Keilfläche 40 übergeht; vgl. Figur 3. Die genannten Keilflächen 36 und 39 der zugehörigen Riegelorgane, nämlich des Fanghakens 30 und des Verriegelungshakens 31 unterstützen die Fang- und Verriegelungsbewegung der Riegelorgane im Uhrzeigersinne um ihren Lagerbolzen über den Bolzen 20, sobald die Flügeltür von Hand in eine Stellung nahe der Schließstellung überführt wird.The bolt 20 facing the free end of the two-armed locking hook 31 also has a slot-shaped opening 39, which merges at its free end in a wedge surface 40; see. Figure 3. The said wedge surfaces 36 and 39 of the associated locking members, namely the catch hook 30 and the locking hook 31 support the catching and locking movement of the locking members in the clockwise direction about their bearing pin on the bolt 20 as soon as the hinged door by hand in a position close to the closed position is transferred.
Der abgewandte Hebelarm des Verriegelungshaken 31 trägt einen mit einem Kugelkopf 42 versehenen Lagerstift 43 - vgl. Figur 2 -, der mittels einer Buchse 44 in den Schwenkbereich von Fang- und Verriegelungshaken, sowie in den Bereich der Keilfläche 28 des Schwenkkeiles 16 ragt, um diese, wie noch zu beschreiben ist, zu bewegen. Die Wirkungsweise der vorstehend beschriebenen Verriegelungsvorrichtung ist folgende:The remote lever arm of the locking hook 31 carries a provided with a ball head 42 bearing pin 43 - see. Figure 2 - which projects by means of a bushing 44 in the pivoting range of catch and locking hooks, as well as in the region of the wedge surface 28 of the pivoting wedge 16 in order to move them, as will be described. The operation of the locking device described above is as follows:
Wie bereits erwähnt wird, sobald die Flügeltür in die Schließlage bewegt wird, über die Keilfäche 28 der Fanghebel 30 durch den Bolzen 20 in Bezug auf Fig. 3 im Uhrzeigersinne um den Lagerbolzen 19 entgegen der Wirkung der Feder 34 um einen geringen Winkelbetrag verschwenkt. Hierbei umfasst der Fanghaken mit seiner Öffnung 36 des einen Hebelarmes den Bolzen 20 und bewegt mit seinem anderen abgewandten Hebelarm den Schwenkkeil 16 mittels seines Fortsatzes 38 - Figur 2 - entgegen der Wirkung der Feder 17 im Uhrzeigersinne, bis die dargestellte Sperrlage erreicht ist, in der Schenkkeil 16 und Fanghaken 30 über die Fangstufe 29 des Schwenkkeils und den dort angreifenden Fortsatz 38 des Fanghakens miteinander verriegelt sind. Damit wird die Flügeltür in der gerade eingenommenen Lage gehalten, ist also "gefangen". Wird nunmehr über das nicht dargestellte Gestänge mittels seinem Handhebel - der bisher seine Normallage eingenommen hat und nunmehr in die Schließlage bewegt wird - der Verriegelungshaken 31 um den Lagerbolzen 19 in Bezug auf Fig. 3 im Uhrzeigersinne bewegt, so umgreift dieser mit seiner schlitzförmigen Öffnung 39 nunmehr vollständig den Bolzen 20 und verriegelt bei gleichzeitigem Anziehen des Türflügels in dessen Türöffnung innerhalb der Rumpfstruktur des Hubschraubers, diesen in der Schließlage. Hierzu trägt der Verriegelungshaken 31 , wie bereits erwähnt, an seinem freien Hebelarm den Bolzen 43 mit dem Kugelkopf 42, der mit dem genannten Gestänge zur Verriegelung der Tür in Wirkverbindung steht. Während der Bewegung des Verriegelungshaken 31 in die Sperrlage bewegt dieser in folge seines gegenüber dem Fanghaken 30 größer gewählten Hubes - entsprechend der größeren Länge des Hebelarms in Bezug auf den Lagerbolzen 19 -vergleiche Fig. 2 -, den Schwenkkeil 16 aus seiner Sperrlage und gibt damit über den Fortsatz 38 den Fanghaken 30 frei für einen neuen Vorgang bei einem neuen Schließen des Türflügels. Bedingt durch den größeren Hub des Verriegelungshaken 31 wird nämlich ab einer bestimmten Winkelstellung der Schwenkkeil 16 soweit verschwenkt; das der dabei freigegebene federbelastete Fanghaken 30 wieder in seine Ausgangslage für einen neuen Fangvorgang beim Schließen der Flügeltür zurückschwenken kann. As already mentioned, as soon as the hinged door is moved into the closed position, the catch lever 30 is pivoted over the wedge surface 28 by the bolt 20 with respect to FIG. 3 in the clockwise direction around the bearing pin 19 against the action of the spring 34 by a small angle. In this case, the catch hook with its opening 36 of a lever arm, the bolt 20 and moves with its other lever arm facing away from the pivot wedge 16 by means of its extension 38 - Figure 2 - against the action of the spring 17 in a clockwise direction until the lock position shown is reached in the Schenkkeil 16 and fishing hooks 30 are locked on the catching step 29 of the pivoting wedge and the attacking there extension 38 of the fishing hook. Thus, the hinged door is held in the position just taken, so is "trapped". Is now on the linkage, not shown by means of his hand lever - which has taken his normal position and is now moved to the closed position - the locking hook 31 is moved about the bearing pin 19 with respect to FIG. 3 in the clockwise direction, so engages this with its slot-shaped opening 39th now completely the bolt 20 and locks with simultaneous tightening of the door leaf in the door opening within the fuselage structure of the helicopter, this in the closed position. For this purpose, the locking hook 31 carries, as already mentioned, at its free lever arm the bolt 43 with the ball head 42, which is in operative connection with said linkage for locking the door. During the movement of the locking hook 31 in the locked position moves this in consequence of his compared to the fishing hook 30 larger selected stroke - corresponding to the greater length of the lever arm with respect to the bearing pin 19-Vergleiche Fig. 2 -, the pivoting wedge 16 from its locked position and thus via the extension 38, the catch hook 30 free for a new operation in a new closing the door leaf. Due to the larger stroke of the locking hook 31, the pivot wedge 16 is pivoted so far from a certain angular position; the released spring-loaded Catch hook 30 can swing back to its original position for a new catch when closing the hinged door.
BEZUGSZEICHENLISTELIST OF REFERENCE NUMBERS
10 Verriegelungsvorrichtung 11 Raste10 locking device 11 detent
12 Trägerplatte12 carrier plate
13 Flansch13 flange
15 Lagerbolzen15 bearing bolts
16 Schwenkkeil 17 Trosionsfeder16 Swing wedge 17 Torsion spring
18 plattenförmiger Fortsatz18 plate-shaped extension
19 Lagerbolzen19 bearing bolts
20 Bolzen20 bolts
22 schlitzförmige Öffnung 23 Hinterkante der schlitzförmigen Öffnung22 slot-shaped opening 23 trailing edge of the slot-shaped opening
24 Durchbruch24 breakthrough
26 seitlicher Fortsatz26 lateral extension
28 Keilfläche28 wedge surface
29 Fangstufe des Schwenkkeils 16 30 zweiarmiger Fanghaken29 Catching level of the pivoting wedge 16 30 two-armed catching hook
31 zweiarmiger Verriegelungshaken31 two-armed locking hook
32 Anschlagstift 34 Trosionsfeder32 stopper pin 34 Tempering spring
36 schlitzförmige Öffnung 37 Keilfläche des Fanghakens36 slot-shaped opening 37 wedge surface of the catch hook
38 Fortsatz des Fanghakens38 extension of the catch hook
39 schlitzförmige Öffnung39 slot-shaped opening
40 Keilfläche des Verriegelungshakens 42 Kugelkopf 43 Lagerstift40 wedge surface of the locking hook 42 ball head 43 bearing pin
44 Buchse 44 socket

Claims

PATENTANSPRÜCHE
1. LTürschloss (10) für Türen von Hubschraubern, mit einem der Türstruktur zugeordneten Verriegelungshaken (31 ) und einer der Rumpfstruktur zugeordneten etwa rechwinklig zum Verriegelungshaken (31 ) angeordneten, einen Bolzen (20) aufweisenden Raste (11), wobei der Verriegelungshaken (31 ) über ein manuell betätigbares Gestänge nach Bewegen der Tür in die Schließstellung mit dem Bolzen (20) in Wirkverbindung bringbar ist, um beim Bewegen des Verriegelungshakens (31 ) in die Sperrstellung die Tür in die in der Rumpfstruktur befindliche Türöffnung zu ziehen und in dieser Lage zu versperren oder vice versa durch Bewegen des Verriegelungshakens (31 ) in die Freigabestellung zu entsperren, dadurch gekennzeichnet, dass dem Verriegelungshaken (31) ein mit diesem in betrieblicher Wirkverbindung stehender federbelasteter Fanghaken (30) zugeordnet ist, der vor1. door lock (10) for doors of helicopters, with one of the door structure associated locking hook (31) and one of the fuselage structure associated approximately at right angles to the locking hook (31) arranged, a bolt (20) having detent (11), wherein the locking hook (31 ) via a manually operable linkage after moving the door in the closed position with the bolt (20) can be brought into operative connection to move when moving the locking hook (31) in the locked position, the door in the located in the fuselage structure door opening and in this position To lock or vice versa by moving the locking hook (31) to unlock the release position, characterized in that the locking hook (31) is associated with a standing in operative operative connection spring-loaded fishing hook (30), the front
Wirksamwerden des Verriegelungshakens (31 ) zwecks Fangens der Tür mit dem Bolzen (20) in Eingriff bringbar ist bis durch weiteres Bewegen des Verriegelungshakens (31) die Tür in ihre endgültige Schließlage überführt ist, in der über die getriebliche Verbindung der Fanghaken (30) wieder freigegeben ist.Activation of the locking hook (31) in order to catch the door with the bolt (20) is engageable until further movement of the locking hook (31), the door is transferred to its final closed position, in the via the gear connection of the fishing hook (30) again is released.
2. Türschloss nach Anspruch 1 , dadurch gekennzeichnet, dass Verriegelungshaken (31 ) und Fanghaken (30) als zweiarmige Hebel ausgebildet und mittels eines Lagerbolzens (19) gleichachsig an einer Trägerplatte (12) gelagert sind, von denen die dem Bolzen (20) zugewandten2. Door lock according to claim 1, characterized in that the locking hook (31) and catch hook (30) formed as a two-armed lever and by means of a bearing pin (19) coaxially to a support plate (12) are mounted, of which the bolt (20) facing
Hebelarme hakenförmige Öffnungen (39, 36) aufweisen und unterschiedlich lang ausgebildet sind, während den abgewandten ebenfalls unterschiedlich lang ausgebildeten Hebelarmen ein eine Keilfläche (28) und eine Fangstufe (29) aufweisender federbelasteter Schwenkkeil (16) als getriebliche Wirkverbindung zugeordnet ist. Have lever arms hook-shaped openings (39, 36) and are designed to have different lengths, while the opposite also differently long trained lever arms a wedge surface (28) and a catch stage (29) exhibiting spring-loaded swivel wedge (16) is assigned as a geared operative connection.
3. Türschloss nach Patentanspruch 2, dadurch gekennzeichnet, dass der federbelastete Schwenkkeil (16) mittels eines Lagerbolzens (15) schenkbar an der Trägerplatte (12) gelagert ist, wobei der Lagerbolzen (15) etwa senkrecht zum Lagerbolzen (19) von Fang- und Verriegelungshaken (30, 31 ) angeordnet ist.3. Door lock according to claim 2, characterized in that the spring-loaded swivel wedge (16) by means of a bearing pin (15) is pivotally mounted on the support plate (12), wherein the bearing pin (15) approximately perpendicular to the bearing pin (19) of catch and Locking hook (30, 31) is arranged.
4. Türschloss nach den Patentansprüchen 2 oder 3, dadurch gekennzeichnet, dass der an einer als Flansch dienenden Abbiegung der Trägerplatte (12) gelagerte Schwenkkeil (16) durch einen Durchbruch (24) in der Trägerplatte (12) etwa rechtwinklig in den Schwenkbereich von4. Door lock according to claims 2 or 3, characterized in that on a serving as a flange bend of the support plate (12) mounted pivot wedge (16) through an opening (24) in the support plate (12) approximately at right angles in the pivoting range of
Verriegelungs- und Fanghaken (31 , 30) ragt.Locking and catching hooks (31, 30) protrudes.
5. Türschloss nach einem der Patentansprüche 2 bis 4, dadurch gekennzeichnet, dass Keilfläche (28) und Fangstufe (29) des Schwenkkeils (16) an seiner den Endbereichen von Fang- und Verriegelungshaken (30,5. Door lock according to one of the claims 2 to 4, characterized in that wedge surface (28) and catching step (29) of the pivoting wedge (16) at its end portions of catching and locking hooks (30,
31 ) zugewandten Wirkfläche angeordnet sind, und dass der von einer Torsionsfeder (17) in Bezug auf seinen Lagerbolzen (15) im Gegenzeigersinne beaufschlagte Schwenkkeil (16), sobald die Fangstufe (29) in Wirkverbindung mit einem Fortsatz (38) des Fanghakens (30) ist, diesen in seiner im Anhang zum Anschlagsstift (32) gelangten Lage sperrt.31), and in that the pivoting wedge (16) acted on counterclockwise by a torsion spring (17) in relation to its bearing pin (15), as soon as the catching step (29) is in operative connection with an extension (38) of the catching hook (30 ) is, this in his appended to the stop pin (32) reached position locks.
6. Türschloss nach einem der vorgenannten Patentansprüche, dadurch gekennzeichnet, dass das der Raste (11 ) zugewandte freie Ende der Trägerplatte (12) eine schlitzförmige Öffnung (22) aufweist, deren Hinterkante (23) als Endanschlag für die Tür dient. 6. Door lock according to one of the preceding claims, characterized in that the said catch (11) facing the free end of the support plate (12) has a slot-shaped opening (22) whose trailing edge (23) serves as an end stop for the door.
EP20070856019 2006-11-28 2007-11-26 Door lock for doors of aircraft, especially of helicopters Not-in-force EP2094924B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006056442A DE102006056442B4 (en) 2006-11-28 2006-11-28 Door lock for doors of aircraft, in particular helicopters
PCT/DE2007/002125 WO2008064650A2 (en) 2006-11-28 2007-11-26 Door lock for doors of aircraft, especially of helicopters

Publications (2)

Publication Number Publication Date
EP2094924A2 true EP2094924A2 (en) 2009-09-02
EP2094924B1 EP2094924B1 (en) 2011-01-05

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EP20070856019 Not-in-force EP2094924B1 (en) 2006-11-28 2007-11-26 Door lock for doors of aircraft, especially of helicopters

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US (1) US8360483B2 (en)
EP (1) EP2094924B1 (en)
CN (1) CN101600842B (en)
AT (1) ATE494444T1 (en)
DE (2) DE102006056442B4 (en)
WO (1) WO2008064650A2 (en)

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Publication number Publication date
DE102006056442A1 (en) 2008-06-05
EP2094924B1 (en) 2011-01-05
CN101600842A (en) 2009-12-09
CN101600842B (en) 2012-06-27
US20100064740A1 (en) 2010-03-18
WO2008064650A3 (en) 2008-08-21
DE502007006215D1 (en) 2011-02-17
US8360483B2 (en) 2013-01-29
ATE494444T1 (en) 2011-01-15
DE102006056442B4 (en) 2010-10-28
WO2008064650A2 (en) 2008-06-05

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