EP2935740A1 - Aircraft lock - Google Patents

Aircraft lock

Info

Publication number
EP2935740A1
EP2935740A1 EP13821863.1A EP13821863A EP2935740A1 EP 2935740 A1 EP2935740 A1 EP 2935740A1 EP 13821863 A EP13821863 A EP 13821863A EP 2935740 A1 EP2935740 A1 EP 2935740A1
Authority
EP
European Patent Office
Prior art keywords
lock
pawl
axis
bolt
lever
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
EP13821863.1A
Other languages
German (de)
French (fr)
Other versions
EP2935740B1 (en
Inventor
Etienne Luneau
Vincent Defrance
Gregory LEGRAND
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.)
LISI Aerospace SAS
Original Assignee
LISI Aerospace SAS
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 LISI Aerospace SAS filed Critical LISI Aerospace SAS
Publication of EP2935740A1 publication Critical patent/EP2935740A1/en
Application granted granted Critical
Publication of EP2935740B1 publication Critical patent/EP2935740B1/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
    • E05B79/00—Mounting or connecting vehicle locks or parts thereof
    • E05B79/10—Connections between movable lock parts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/20—Bolts or detents
    • E05B85/24—Bolts rotating about an axis
    • E05B85/243—Bolts rotating about an axis with a bifurcated bolt
    • 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
    • Y10T292/1075—Operating means
    • Y10T292/108—Lever

Definitions

  • the present invention relates to a lock. More specifically, the present invention relates to a lock for a door of a vehicle, for example of the aircraft type.
  • a lock comprising a plane support carrying a first axis of pivot connection around which pivots a bolt comprising a hook winding around a striker wire, and a second axis pivot connection around which pivot a pawl and a control lever driving the pawl in rotation, the pawl comprising a tooth engaging with a notch formed on the bolt, when the lock is in said closed position.
  • a lock is for example described in document US 2004/0135378.
  • the present invention aims to overcome this technical problem, providing a securing of such a lock in the closed position.
  • the subject of the present invention is a lock comprising two substantially flat walls carrying a first pivot connection axis and a second pivot connection axis, the first and second axes being substantially perpendicular to the planes; a bolt pivotable about the first axis, the bolt comprising a hook adapted to hang a striker thread; a pawl adapted to pivot about the second axis, the pawl comprising a tooth adapted to engage with at least one notch formed on the bolt; a control lever adapted to pivot about the second axis, the lever comprising means for driving the ratchet around the second axis, the control lever and / or the pawl having means for securing the closure of the lock.
  • Such a lock has the advantage of securing the engagement of the ratchet tooth with the notch of the bolt.
  • the securing means comprise a hook formed on the control lever and a lug disposed on the bolt, substantially parallel to the first axis. More preferably, the hook cooperates with the lug when the lock is in the closed position. When the lock is in the closed position, the tooth of the pawl is engaged with a notch of the bolt.
  • Such a lock has the advantage of securing the engagement of the ratchet tooth with the notch of the bolt, without adding a new piece to the lock, optimizing the weight associated with the integration of a new feature.
  • control lever and the pawl are located between the wall planes.
  • Such an arrangement of the control lever and the ratchet has the advantage of limiting the size of the lock and reduce friction around the second axis, compared to the case where the control lever and the ratchet are arranged on both sides. other one of the planes of the walls, thus inducing a torsion torque around the second axis.
  • the means for rotating the pawl is a shoulder adapted to cooperate with at least one lug formed on the pawl.
  • control lever and the pawl are monobloc.
  • the lock comprises means for detecting a position of the pawl.
  • Such a lock has the advantage of indicating to a user whether the lock is closed and locked. More preferably, the detecting means of the pawl position comprise a visual marking disposed at one end of the control lever. Alternatively, the lock may include an inductive sensor detecting the position of the control lever.
  • the walls also carry a third axis and a fourth axis, substantially parallel to the first axis, the lock being adapted to be fixed to a panel via the first, third and fourth axis.
  • Such a lock has the advantage of having a small number of points of attachment to a panel.
  • FIG. 1 a longitudinal sectional view of a lock according to one embodiment of the invention, in a closed and locked position;
  • FIG. 1 a longitudinal sectional view of the lock shown in Figure 1, in a closed and unlocked position;
  • FIG. 4 a longitudinal sectional view of the lock shown in Figure 1, in an open position
  • FIG. 5 a view of one side of a lock according to another embodiment, in a closed and locked position
  • FIG. 6 a view of another side of the lock shown in Figure 5, in an open position.
  • FIGS 1 and 2 show a lock 100 according to one embodiment of the invention, respectively in a so-called closed and locked position and a so-called closed and unlocked position.
  • a closed position of the lock 100 refers to both the closed and locked position and the closed and unlocked position.
  • the lock 100 is for example intended to be fixed on a swinging door or sliding of a helicopter. In the example, the lock 100 is considered mobile relative to a structure of the helicopter.
  • the lock 100 comprises two plane walls 101 substantially identical in shape, spaced along a first axis 102 pivot connection and a second axis 103 pivot connection.
  • the first and second axes (102, 103) are substantially perpendicular to the planes of the walls 101.
  • the walls 101 have on their periphery a notch forming an opening 104 in the form of a cone arranged along an axis substantially perpendicular to the planes of the walls 101.
  • the opening 104 is open on the edges 105 of the walls 101.
  • the opening 104 is capable of accommodating a striker (not shown) comprising a striker thread disposed along an axis substantially perpendicular to the planes of the walls 101.
  • the strike is for example attached to a structural part of a helicopter.
  • the striker wire describes a trajectory 1051, during the closing and opening of the door and the lock 100, between the edges 105 of the walls 101 and the bottom of the opening 104.
  • the walls 101 also carry a third axis 106 and a fourth axis 107, substantially parallel to the first axis 102.
  • intersections of the first, third and fourth axes (102, 106, 107) with the plane of each of the walls 101 form a triangle.
  • the first, third and fourth axes (102, 106, 107) are capable of receiving fastening means to a panel (not shown).
  • the first, third and fourth axes (102, 106, 107) are each provided with a tapping adapted to cooperate with a screw.
  • the lock 100 also comprises a bolt 108 adapted to pivot about the first axis 102.
  • the bolt 108 has a hook-shaped profile 109 able to wrap around the striker thread when the striker thread moves through the opening 104 along the path 1051.
  • the bolt 108 pivots in a first direction corresponding to a so-called opening direction of the lock 100.
  • the bolt 108 pivots in a direction opposite to the first direction, corresponding to a so-called closing direction of the lock 100.
  • a branch 1 10 of the hook 109 is disposed substantially perpendicular to the path 1051 so as to lock the striker thread in the opening 104.
  • the bolt 108 is provided with a torsion spring tending to rotate the bolt 108 in the opening direction of the lock 100.
  • the lock 100 also comprises a pawl 1 1 1 adapted to pivot about the second axis 103.
  • the pawl 1 1 1 comprises a tooth 1 12 adapted to block a rotation of the bolt 108 in the opening direction of the lock 100.
  • the tooth January 12 ratchet 1 1 1 engages with a first notch 1 13 formed in the bolt 108, when the lock 100 is in the closed position.
  • the first notch 1 13 is formed on a periphery of the bolt 108.
  • the tooth 1 12 is engaged with the first notch 1 13, the bolt 108 is locked in rotation in the opening direction of the lock 100.
  • the tooth 1 12 of the pawl 1 1 1 also engages with a second notch 1 14 formed in the bolt 108, when the lock is in a so-called intermediate position.
  • the lock 100 in the intermediate position is shown in Figure 3.
  • the second notch 1 14 is formed on the periphery of the bolt 108.
  • the second notch 1 14 is disposed relative to the first notch 1 13, so that when the hook 109 follows the trajectory 1051 of the bottom of the opening 104 to the edges 105 of the walls 101, the tooth 1 12 of the pawl 1 1 1 cooperates first with the second notch 1 14 and then with the first notch 1 13.
  • the bolt 108 is locked in rotation about the first axis 102, in the opening direction of the lock 100. This position ensures minimal security in case of bad slamming of the door.
  • the door is not closed or locked, but it is not free to open under the simple effect of its weight.
  • the tooth 1 12 of the pawl 1 1 1 also cooperates with a portion 1 141 of the bolt 108 when the lock 100 is in said open position.
  • the lock 100 in the open position is shown in Figure 4.
  • the portion 1 141 is disposed at the periphery of the bolt 108.
  • the portion 1 141 of the bolt 108 is arranged relative to the first and second notches (1 13, 1 14), so that, when the strike wire follows the path 1051 of the bottom of the opening 104 towards the edges 105, the tooth 1 12 of the pawl 1 1 1 cooperates first with the portion 1 141, then with the second notch 1 14, and finally with the first notch
  • the ratchet 1 1 1 is provided with a torsion spring tending to rotate the pawl 1 1 1 in the closing direction of the lock 100.
  • the torsion spring tends to drive the ratchet 1 1 1 so as to ensure contact of the tooth 1 12 against the bolt 108.
  • the lock 100 comprises a control lever 15 able to pivot about the second axis 103.
  • the lever 1 comprises a means 1 16 for rotating the pawl 1 1 1 around the second axis 103.
  • the lever 1 15 and the pawl 11 are arranged between the planes of the walls 101.
  • the rotational drive means of the pawl 1 1 1 is a shoulder 1 16 adapted to cooperate with two lugs (1 17, 1 17 ') formed on the pawl 1 1 1 which limit the movement of the lever 1 15 order in both directions opening and closing of the lock 100.
  • the lever 1 15 and the pawl 1 1 1 are monobloc.
  • the lever 1 15 and / or the pawl 1 1 1 comprises means (1 18, 1 19) for securing the lock 100 in the closed position.
  • the means (1 18, 1 19) of security cooperate together, the lock 100 is in the closed position and locked.
  • the securing means comprise a hook 1 18 formed in the lever 1 15, cooperating with the lug 1 19 through the bolt 108, when the lock 100 is in the closed position and locked.
  • the hook 1 18 is disposed at one end of the lever 1 15.
  • the hook 1 18 is adapted to hook to the pin 1 19 at the end of a rotation of the lever 1 15 in the closing direction of the lock 100.
  • the lever 1 15 further comprises means for detecting a position of the pawl 1 1 1.
  • the means for detecting the position of the pawl comprise, for example, a visual marking placed on the lever 1.
  • the lever 1 comprises a pin 120 disposed at one end of the lever 1 opposite the hook 1 18.
  • the pin 120 is intended to carry a button comprising a first marking of a color, for example green, and a second marking of another color, for example red.
  • the lever 1 15 is in a position such that the button appears through an opening in the panel, the first color marking.
  • the lever 1 15 is in a position such that the button appears through the opening made in the panel, the second color marking.
  • an observer can see if the lock 100 is in the closed and locked position, or in another position.
  • the lock 100 comprises between the walls 101 a sensor 121 of inductive type arranged to detect a portion of the lever 1 15 of control.
  • This portion is for example disposed near the end of the lever 1 15, opposite the hook 1 18.
  • This portion is for example designed as a tongue 122 cross.
  • the tongue 122 is disposed facing the inductive sensor 121, which detects it. The sensor then sends an electrical signal, used to light a light in the cockpit of the aircraft or on the panel informing the pilot or an operator on the ground of the closed and locked position of the lock.
  • the lever 1 15 of control further comprises a protruding portion 123 disposed near the hook 1 18.
  • the protruding portion 123 of the lever 1 15 and the portion of the lever 1 15 accommodating the tongue 122 each comprise a tapping adapted to be connected to a control linkage.
  • the control linkage is connected to either portion.
  • the lock 100 is closed as follows.
  • the lock 100 is in the open position (FIG. 4) and the door of the apparatus is open so that the striker wire is at the entrance of the opening 104.
  • the tooth 1 12 of the pawl 1 1 1 cooperates with the portion 1 141 of the bolt 108.
  • the hook 109 of the bolt 108 is directed towards the edges 105 of the walls 101.
  • the striker thread enters the opening 104, by the edges 105.
  • the striker thread follows the path 1051 towards the bottom of the opening 104 when closing the door, and causes the bolt 108 to rotate in the direction of closing of the lock 100, by being housed in the hook 109.
  • the tooth 1 12 of the pawl 1 1 1 slides along the portion 1 141 of the bolt 108 to reach the second notch 1 14, then slides along the second notch 1 14, until reaching the first notch 1 13.
  • the tooth 1 12 of the pawl 1 1 1 then engages in the first notch 1 13 of the bolt 108 and the branch 1 10 of the hook 109 is positioned to lock the strike wire against the bottom of the opening 104.
  • the lock 100 is in the closed position and unlocked ( Figure 2).
  • the lever 1 15 pivots under the action of the torsion spring in the closing direction of the lock 100, so that the hook 1 18 of the lever 1 15 is hooked to the lug 1 19 of the bolt 108. lock 100 is then in the closed and locked position.
  • the bolt 108 continues to pivot in the closing direction so that the tooth 1 12 of the pawl 11 1 does not engage with the first notch 1 13 of the bolt 108, but slides along the latter.
  • the position of the tooth 1 12 of the pawl 1 1 1 relative to the first notch 1 13 of the bolt 108 prevents the hook 1 18 of the lever 1 15 to come hook to the pin 1 19 of the bolt 108, the rotation of the lever 1 15 and the pawl 1 1 1 around the second axis 103 being bonded.
  • the lock 100 can not be locked without the tooth 1 12 of the pawl 1 1 1 is engaged with the first notch 1 13. In other words, the lock 100 does not can not be locked without being in the closed position.
  • the opening of the lock 100 proceeds as follows. From the closed and locked position of the lock 100 (FIG. 1), the control lever 1 15 is pivoted by an external control around the second axis 103, in the opening direction of the lock 100 so that the hook 1 18 the lever 1 15 is released from the lug 1 19. When the hook 1 18 is free of the lug 1 19 and the tooth 1 12 of the pawl 1 1 1 is engaged with the first notch 1 13, the lock 100 is in the closed and unlocked position ( Figure 2). Then, the lever 1 15 pivots more in the same direction of rotation driving with it the pawl 1 1 1, so that the tooth 1 12 of the pawl 1 1 1 disengages the first notch 1 13, and the bolt 108 is free to pivot in the opening direction of the lock 100.
  • the strike wire follows the path 1051 towards the edges 105 of the walls, and the hook 1 09 releases the striker thread pivoting in the opening direction of the lock Finally, the strand wire comes out of the opening 104, leaving the hook 109 directed towards the edges 105, and the tooth 112 of the pawl 111 cooperating with the portion 1141 of the bolt 108.
  • the lock 100 is then in the open position ( Figure 4).
  • Such a lock 100 makes it possible to secure the engagement of the tooth 112 of the pawl 111 with the first detent 113 by means of the hook 118 of the lever 115 which clings to the lug 119 of the bolt 108.

Landscapes

  • Lock And Its Accessories (AREA)

Abstract

The invention relates to a lock (100) comprising: - two substantially planar walls (101) bearing a first pivot connection axle (102) and a second pivot connection axle (103), the first and second axles being substantially perpendicular to the planes; - a catch (108) able to pivot about the first axle, the catch comprising a hook (109) able to catch a strike wire; - a pawl (111) able to pivot about the second axle, the pawl comprising a tooth (112) able to engage with at least one notch (113, 14) formed on the catch, when the lock is in what is known as the closed position; - a control lever (115) able to pivot about the second axle, the lever comprising a means (116) of driving the rotation of the pawl (111) about the second axle, the control lever comprising means (118, 119) for securing the closure of the lock.

Description

SERRURE POUR AERONEF  LOCK FOR AIRCRAFT
La présente invention se rapporte à une serrure. Plus précisément, la présente invention concerne une serrure pour une porte d'un véhicule, par exemple du type aéronef. The present invention relates to a lock. More specifically, the present invention relates to a lock for a door of a vehicle, for example of the aircraft type.
Il est connu de l'art antérieur une serrure comportant un support plan portant un premier axe de liaison pivot autour duquel pivote un pêne comprenant un crochet s'enroulant autour d'un fil de gâche, et un deuxième axe de liaison pivot autour duquel pivotent un cliquet et un levier de commande entraînant en rotation le cliquet, le cliquet comprenant une dent s'engageant avec un cran ménagé sur le pêne, lorsque la serrure est en position dite fermée. Une telle serrure est par exemple décrite dans le document US 2004/0135378.  It is known from the prior art a lock comprising a plane support carrying a first axis of pivot connection around which pivots a bolt comprising a hook winding around a striker wire, and a second axis pivot connection around which pivot a pawl and a control lever driving the pawl in rotation, the pawl comprising a tooth engaging with a notch formed on the bolt, when the lock is in said closed position. Such a lock is for example described in document US 2004/0135378.
Cependant, avec une telle serrure, il peut arriver, en cas d'anomalies, par exemple en cas de vibrations importantes, que la dent du cliquet se désengage de manière intempestive du cran ménagé dans le pêne, provoquant ainsi une libération du fil de gâche par le crochet et donc une ouverture de la serrure. Une telle situation est particulièrement dangereuse, notamment si elle devait intervenir au cours d'une phase de vol d'un aéronef.  However, with such a lock, it can happen, in case of anomalies, for example in case of significant vibration, that the pawl tooth inadvertently disengages the notch in the bolt, thus causing a release of the waste wire by the hook and therefore an opening of the lock. Such a situation is particularly dangerous, especially if it had to intervene during a phase of flight of an aircraft.
La présente invention a pour objet de pallier ce problème technique, en proposant une sécurisation d'une telle serrure en position fermée.  The present invention aims to overcome this technical problem, providing a securing of such a lock in the closed position.
Plus précisément, la présente invention a pour objet une serrure comprenant deux parois sensiblement planes portant un premier axe de liaison pivot et un deuxième axe de liaison pivot, les premier et deuxième axes étant sensiblement perpendiculaires aux plans ; un pêne apte à pivoter autour du premier axe, le pêne comprenant un crochet apte à accrocher un fil de gâche ; un cliquet apte à pivoter autour du deuxième axe, le cliquet comprenant une dent apte à s'engager avec au moins un cran ménagé sur le pêne ; un levier de commande apte à pivoter autour du deuxième axe, le levier comprenant un moyen d'entraînement en rotation du cliquet autour du deuxième axe, le levier de commande et/ou le cliquet comportant des moyens de sécurisation de fermeture de la serrure. More precisely, the subject of the present invention is a lock comprising two substantially flat walls carrying a first pivot connection axis and a second pivot connection axis, the first and second axes being substantially perpendicular to the planes; a bolt pivotable about the first axis, the bolt comprising a hook adapted to hang a striker thread; a pawl adapted to pivot about the second axis, the pawl comprising a tooth adapted to engage with at least one notch formed on the bolt; a control lever adapted to pivot about the second axis, the lever comprising means for driving the ratchet around the second axis, the control lever and / or the pawl having means for securing the closure of the lock.
Une telle serrure présente l'avantage de sécuriser l'engagement de la dent du cliquet avec le cran du pêne.  Such a lock has the advantage of securing the engagement of the ratchet tooth with the notch of the bolt.
Préférentiellement, les moyens de sécurisation comprennent un crochet ménagé sur le levier de commande et un ergot disposé sur le pêne, sensiblement parallèlement au premier axe. Plus préférentiellement, le crochet coopère avec l'ergot lorsque la serrure est en position fermée. Lorsque la serrure est en position fermée, la dent du cliquet est engagée avec un cran du pêne.  Preferably, the securing means comprise a hook formed on the control lever and a lug disposed on the bolt, substantially parallel to the first axis. More preferably, the hook cooperates with the lug when the lock is in the closed position. When the lock is in the closed position, the tooth of the pawl is engaged with a notch of the bolt.
Une telle serrure présente l'avantage de sécuriser l'engagement de la dent du cliquet avec le cran du pêne, sans ajouter de nouvelle pièce à la serrure, optimisant ainsi le poids lié à l'intégration d'une nouvelle fonctionnalité.  Such a lock has the advantage of securing the engagement of the ratchet tooth with the notch of the bolt, without adding a new piece to the lock, optimizing the weight associated with the integration of a new feature.
Préférentiellement, le levier de commande et le cliquet sont situés entre les plans des parois.  Preferably, the control lever and the pawl are located between the wall planes.
Une telle disposition du levier de commande et du cliquet présente l'avantage de limiter l'encombrement de la serrure et de réduire des frottements autour du deuxième axe, comparativement au cas où le levier de commande et le cliquet seraient disposés de part et d'autre d'un des plans des parois, induisant ainsi un couple de torsion autour du deuxième axe.  Such an arrangement of the control lever and the ratchet has the advantage of limiting the size of the lock and reduce friction around the second axis, compared to the case where the control lever and the ratchet are arranged on both sides. other one of the planes of the walls, thus inducing a torsion torque around the second axis.
Selon un mode de réalisation de l'invention, le moyen d'entraînement en rotation du cliquet est un épaulement apte à coopérer avec au moins un ergot ménagé sur le cliquet.  According to one embodiment of the invention, the means for rotating the pawl is a shoulder adapted to cooperate with at least one lug formed on the pawl.
Selon un autre mode de réalisation de l'invention, le levier de commande et le cliquet sont monoblocs.  According to another embodiment of the invention, the control lever and the pawl are monobloc.
Préférentiellement, la serrure comprend des moyens de détection d'une position du cliquet.  Preferably, the lock comprises means for detecting a position of the pawl.
Une telle serrure présente l'avantage d'indiquer à un utilisateur si la serrure est bien fermée et verrouillée. Plus préférentiellement, les moyens de détection de la position du cliquet comprennent un marquage visuel disposé à une extrémité du levier de commande. En variante, la serrure peut comporter un capteur inductif détectant la position du levier de commande. Such a lock has the advantage of indicating to a user whether the lock is closed and locked. More preferably, the detecting means of the pawl position comprise a visual marking disposed at one end of the control lever. Alternatively, the lock may include an inductive sensor detecting the position of the control lever.
Préférentiellement, les parois portent en outre un troisième axe et un quatrième axe, sensiblement parallèles au premier axe, la serrure étant apte à être fixée à un panneau par l'intermédiaire du premier, du troisième et du quatrième axe.  Preferably, the walls also carry a third axis and a fourth axis, substantially parallel to the first axis, the lock being adapted to be fixed to a panel via the first, third and fourth axis.
Une telle serrure présente l'avantage d'avoir un faible nombre de points de fixation à un panneau.  Such a lock has the advantage of having a small number of points of attachment to a panel.
L'invention sera mieux comprise à la lecture de la description qui suit et à l'examen des figures qui l'accompagnent. Celles-ci sont données à titre indicatif et non limitatif de l'invention. Les figures montrent :  The invention will be better understood on reading the description which follows and on examining the figures which accompany it. These are given as an indication and not a limitation of the invention. The figures show:
- Figure 1 : une vue en coupe longitudinale d'une serrure selon un mode de réalisation de l'invention, dans une position fermée et verrouillée ;  - Figure 1: a longitudinal sectional view of a lock according to one embodiment of the invention, in a closed and locked position;
- Figure 2 : une vue en coupe longitudinale de la serrure présentée à la figure 1 , dans une position fermée et déverrouillée ;  - Figure 2: a longitudinal sectional view of the lock shown in Figure 1, in a closed and unlocked position;
- Figure 3 : une vue en coupe longitudinale de la serrure présentée à la figure 1 , dans une position intermédiaire ;  - Figure 3: a longitudinal sectional view of the lock shown in Figure 1, in an intermediate position;
- Figure 4 : une vue en coupe longitudinale de la serrure présentée à la figure 1 , dans une position ouverte ;  - Figure 4: a longitudinal sectional view of the lock shown in Figure 1, in an open position;
- Figure 5 : une vue d'un côté d'une serrure selon un autre mode de réalisation, dans une position fermée et verrouillée ;  - Figure 5: a view of one side of a lock according to another embodiment, in a closed and locked position;
- Figure 6 : une vue d'un autre côté de la serrure présentée à la figure 5, dans une position ouverte.  - Figure 6: a view of another side of the lock shown in Figure 5, in an open position.
Les figures 1 et 2 montrent une serrure 100 selon un mode de réalisation de l'invention, respectivement dans une position dite fermée et verrouillée et une position dite fermée et déverrouillée. Dans la suite de la description, « une position fermée » de la serrure 100 fait référence à la fois à la position fermée et verrouillée et à la position fermée et déverrouillée. La serrure 100 est par exemple destinée à être fixée sur une porte battante ou coulissante d'un hélicoptère. Dans l'exemple, la serrure 100 est considérée comme mobile par rapport à une structure de l'hélicoptère. Figures 1 and 2 show a lock 100 according to one embodiment of the invention, respectively in a so-called closed and locked position and a so-called closed and unlocked position. In the following description, "a closed position" of the lock 100 refers to both the closed and locked position and the closed and unlocked position. The lock 100 is for example intended to be fixed on a swinging door or sliding of a helicopter. In the example, the lock 100 is considered mobile relative to a structure of the helicopter.
La serrure 100 comporte deux parois 101 planes de forme sensiblement identique, espacées selon un premier axe 102 de liaison pivot et un deuxième axe 103 de liaison pivot. Les premier et deuxième axes (102, 103) sont sensiblement perpendiculaires aux plans des parois 101 . Dans les figures 1 à 6, seule l'une des parois 101 est visible du fait de la coupe longitudinale ou de la vue de côté de la serrure 100. Les parois 101 comportent sur leur périphérie une échancrure formant une ouverture 104 en forme de cône disposée selon un axe sensiblement perpendiculaire aux plans des parois 101 . L'ouverture 104 est débouchante sur les bords 105 des parois 101 .  The lock 100 comprises two plane walls 101 substantially identical in shape, spaced along a first axis 102 pivot connection and a second axis 103 pivot connection. The first and second axes (102, 103) are substantially perpendicular to the planes of the walls 101. In Figures 1 to 6, only one of the walls 101 is visible because of the longitudinal section or the side view of the lock 100. The walls 101 have on their periphery a notch forming an opening 104 in the form of a cone arranged along an axis substantially perpendicular to the planes of the walls 101. The opening 104 is open on the edges 105 of the walls 101.
L'ouverture 104 est apte à accueillir une gâche (non représentée) comprenant un fil de gâche, disposé selon un axe sensiblement perpendiculaire aux plans des parois 101 . La gâche est par exemple fixée à une partie structurelle d'un hélicoptère. Le fil de gâche décrit une trajectoire 1051 , lors de la fermeture et de l'ouverture de la porte et de la serrure 100, entre les bords 105 des parois 101 et le fond de l'ouverture 104.  The opening 104 is capable of accommodating a striker (not shown) comprising a striker thread disposed along an axis substantially perpendicular to the planes of the walls 101. The strike is for example attached to a structural part of a helicopter. The striker wire describes a trajectory 1051, during the closing and opening of the door and the lock 100, between the edges 105 of the walls 101 and the bottom of the opening 104.
Les parois 101 portent en outre un troisième axe 106 et un quatrième axe 107, sensiblement parallèles au premier axe 102. De préférence, des intersections des premier, troisième et quatrième axes (102, 106, 107) avec le plan de chacune des parois 101 forment un triangle. Cette disposition assure une bonne résistance mécanique de la serrure 100, soumise à des efforts dans les trois directions de l'espace. Les premier, troisième et quatrième axes (102, 106, 107) sont aptes à recevoir des moyens de fixation à un panneau (non représenté). Dans l'exemple, les premier, troisième et quatrième axes (102, 106, 107) sont chacun munis d'un taraudage apte à coopérer avec une vis.  The walls 101 also carry a third axis 106 and a fourth axis 107, substantially parallel to the first axis 102. Preferably, intersections of the first, third and fourth axes (102, 106, 107) with the plane of each of the walls 101 form a triangle. This arrangement ensures a good mechanical strength of the lock 100, subjected to efforts in the three directions of space. The first, third and fourth axes (102, 106, 107) are capable of receiving fastening means to a panel (not shown). In the example, the first, third and fourth axes (102, 106, 107) are each provided with a tapping adapted to cooperate with a screw.
La serrure 100 comporte également un pêne 108 apte à pivoter autour du premier axe 102. Le pêne 108 comporte un profil en forme de crochet 109 apte à s'enrouler autour du fil de gâche lorsque le fil de gâche se déplace à travers l'ouverture 104 selon la trajectoire 1051 . The lock 100 also comprises a bolt 108 adapted to pivot about the first axis 102. The bolt 108 has a hook-shaped profile 109 able to wrap around the striker thread when the striker thread moves through the opening 104 along the path 1051.
Lorsque le fil de gâche suit la trajectoire 1051 du fond de l'ouverture 104 vers les bords 105, le pêne 108 pivote dans un premier sens correspondant à un sens dit d'ouverture de la serrure 100. Lorsque le fil de gâche suit la trajectoire 1051 en sens inverse, le pêne 108 pivote dans un sens opposé au premier sens, correspondant à un sens dit de fermeture de la serrure 100.  When the strike wire follows the path 1051 of the bottom of the opening 104 towards the edges 105, the bolt 108 pivots in a first direction corresponding to a so-called opening direction of the lock 100. When the strike wire follows the path 1051 in the opposite direction, the bolt 108 pivots in a direction opposite to the first direction, corresponding to a so-called closing direction of the lock 100.
En position fermée, une branche 1 10 du crochet 109 est disposée sensiblement perpendiculairement à la trajectoire 1051 de manière à bloquer le fil de gâche dans l'ouverture 104.  In the closed position, a branch 1 10 of the hook 109 is disposed substantially perpendicular to the path 1051 so as to lock the striker thread in the opening 104.
Dans l'exemple, le pêne 108 est muni d'un ressort de torsion tendant à entraîner en rotation le pêne 108 dans le sens d'ouverture de la serrure 100.  In the example, the bolt 108 is provided with a torsion spring tending to rotate the bolt 108 in the opening direction of the lock 100.
La serrure 100 comporte également un cliquet 1 1 1 apte à pivoter autour du deuxième axe 103. Le cliquet 1 1 1 comporte une dent 1 12 apte à bloquer une rotation du pêne 108 dans le sens d'ouverture de la serrure 100.  The lock 100 also comprises a pawl 1 1 1 adapted to pivot about the second axis 103. The pawl 1 1 1 comprises a tooth 1 12 adapted to block a rotation of the bolt 108 in the opening direction of the lock 100.
La dent 1 12 du cliquet 1 1 1 s'engage avec un premier cran 1 13 ménagé dans le pêne 108, lorsque la serrure 100 est en position fermée. Le premier cran 1 13 est ménagé sur une périphérie du pêne 108. Lorsque la dent 1 12 est engagée avec le premier cran 1 13, le pêne 108 est bloqué en rotation dans le sens d'ouverture de la serrure 100.  The tooth January 12 ratchet 1 1 1 engages with a first notch 1 13 formed in the bolt 108, when the lock 100 is in the closed position. The first notch 1 13 is formed on a periphery of the bolt 108. When the tooth 1 12 is engaged with the first notch 1 13, the bolt 108 is locked in rotation in the opening direction of the lock 100.
Dans l'exemple, la dent 1 12 du cliquet 1 1 1 s'engage également avec un deuxième cran 1 14 ménagé dans le pêne 108, lorsque la serrure est dans une position dite intermédiaire. La serrure 100 en position intermédiaire est représentée à la figure 3. Le deuxième cran 1 14 est ménagé sur la périphérie du pêne 108. Le deuxième cran 1 14 est disposé par rapport au premier cran 1 13, de sorte que, lorsque le crochet 109 suit la trajectoire 1051 du fond de l'ouverture 104 aux bords 105 des parois 101 , la dent 1 12 du cliquet 1 1 1 coopère d'abord avec le deuxième cran 1 14 puis avec le premier cran 1 13. Lorsque la dent 1 12 est engagée avec le deuxième cran 1 14, 1e pêne 108 est bloqué en rotation autour du premier axe 102, dans le sens d'ouverture de la serrure 100. Cette position assure une sécurité minimale en cas de mauvais claquement de la porte. La porte n'est pas fermée ni verrouillée, mais elle n'est cependant pas libre de s'ouvrir sous le simple effet de son poids. In the example, the tooth 1 12 of the pawl 1 1 1 also engages with a second notch 1 14 formed in the bolt 108, when the lock is in a so-called intermediate position. The lock 100 in the intermediate position is shown in Figure 3. The second notch 1 14 is formed on the periphery of the bolt 108. The second notch 1 14 is disposed relative to the first notch 1 13, so that when the hook 109 follows the trajectory 1051 of the bottom of the opening 104 to the edges 105 of the walls 101, the tooth 1 12 of the pawl 1 1 1 cooperates first with the second notch 1 14 and then with the first notch 1 13. When the tooth 1 12 is engaged with the second notch 1 14, the bolt 108 is locked in rotation about the first axis 102, in the opening direction of the lock 100. This position ensures minimal security in case of bad slamming of the door. The door is not closed or locked, but it is not free to open under the simple effect of its weight.
Dans l'exemple, la dent 1 12 du cliquet 1 1 1 coopère également avec une portion 1 141 du pêne 108 lorsque la serrure 100 est en position dite ouverte. La serrure 100 en position ouverte est représentée à la figure 4. La portion 1 141 est disposée à la périphérie du pêne 108. La portion 1 141 du pêne 108 est disposée par rapport aux premier et deuxième crans (1 13, 1 14), de sorte que, lorsque le fil de gâche suit la trajectoire 1051 du fond de l'ouverture 104 vers les bords 105, la dent 1 12 du cliquet 1 1 1 coopère d'abord avec la portion 1 141 , puis avec le deuxième cran 1 14, et enfin avec le premier cran In the example, the tooth 1 12 of the pawl 1 1 1 also cooperates with a portion 1 141 of the bolt 108 when the lock 100 is in said open position. The lock 100 in the open position is shown in Figure 4. The portion 1 141 is disposed at the periphery of the bolt 108. The portion 1 141 of the bolt 108 is arranged relative to the first and second notches (1 13, 1 14), so that, when the strike wire follows the path 1051 of the bottom of the opening 104 towards the edges 105, the tooth 1 12 of the pawl 1 1 1 cooperates first with the portion 1 141, then with the second notch 1 14, and finally with the first notch
1 13. Lorsque la dent 1 12 coopère avec la portion 1 141 , le pêne 108 est bloqué en rotation dans le sens d'ouverture de la serrure 100 par un point de contact entre un ergot 1 19 traversant le pêne 108 sensiblement perpendiculairement aux plans des parois 101 et une lumière 1 191 oblongue ménagée dans l'une des parois 101 . La lumière 1 191 oblongue est visible sur la figure 4 et sur la figure 5. 1 13. When the tooth 1 12 cooperates with the portion 1 141, the bolt 108 is locked in rotation in the opening direction of the lock 100 by a point of contact between a lug 1 19 through the bolt 108 substantially perpendicular to the planes walls 101 and an oblong slot 191 in one of the walls 101. The oblong light 191 is visible in FIG. 4 and FIG.
Dans l'exemple, le cliquet 1 1 1 est muni d'un ressort de torsion tendant à entraîner en rotation le cliquet 1 1 1 dans le sens de fermeture de la serrure 100. Autrement dit, le ressort de torsion tend à entraîner le cliquet 1 1 1 de sorte à assurer un contact de la dent 1 12 contre le pêne 108. Ainsi, lorsque le pêne 108 pivote dans le sens de fermeture de la serrure 100, la dent 1 12 du cliquet 1 1 1 glisse successivement sur la portion 1 141 , le deuxième cran In the example, the ratchet 1 1 1 is provided with a torsion spring tending to rotate the pawl 1 1 1 in the closing direction of the lock 100. In other words, the torsion spring tends to drive the ratchet 1 1 1 so as to ensure contact of the tooth 1 12 against the bolt 108. Thus, when the bolt 108 pivots in the closing direction of the lock 100, the tooth 1 12 of the pawl 1 1 1 slides successively on the portion 1,141, the second notch
1 14, jusqu'à s'engager avec le premier cran 1 13. 1 14, to engage with the first notch 1 13.
La serrure 100 comporte un levier 1 15 de commande apte à pivoter autour du deuxième axe 103.  The lock 100 comprises a control lever 15 able to pivot about the second axis 103.
Le levier 1 15 comprend un moyen 1 16 d'entraînement en rotation du cliquet 1 1 1 autour du deuxième axe 103. Dans l'exemple, le levier 1 15 et le cliquet 1 1 1 sont disposés entre les plans des parois 101 . Dans l'exemple, le moyen d'entraînement en rotation du cliquet 1 1 1 est un épaulement 1 16 apte à coopérer avec deux ergots (1 17, 1 17') ménagés sur le cliquet 1 1 1 qui limitent le mouvement du levier 1 15 de commande dans les deux sens d'ouverture et de fermeture de la serrure 100. Selon une variante, le levier 1 15 et le cliquet 1 1 1 sont monoblocs. The lever 1 comprises a means 1 16 for rotating the pawl 1 1 1 around the second axis 103. In the example, the lever 1 15 and the pawl 11 are arranged between the planes of the walls 101. In the example, the rotational drive means of the pawl 1 1 1 is a shoulder 1 16 adapted to cooperate with two lugs (1 17, 1 17 ') formed on the pawl 1 1 1 which limit the movement of the lever 1 15 order in both directions opening and closing of the lock 100. In a variant, the lever 1 15 and the pawl 1 1 1 are monobloc.
Le levier 1 15 et/ou le cliquet 1 1 1 comporte des moyens (1 18, 1 19) de sécurisation de la serrure 100 en position fermée. Lorsque les moyens (1 18, 1 19) de sécurisation coopèrent ensemble, la serrure 100 est en position fermée et verrouillée.  The lever 1 15 and / or the pawl 1 1 1 comprises means (1 18, 1 19) for securing the lock 100 in the closed position. When the means (1 18, 1 19) of security cooperate together, the lock 100 is in the closed position and locked.
Dans l'exemple, les moyens de sécurisation comprennent un crochet 1 18 ménagé dans le levier 1 15, coopérant avec l'ergot 1 19 traversant le pêne 108, lorsque la serrure 100 est en position fermée et verrouillée. De préférence, le crochet 1 18 est disposé à une extrémité du levier 1 15. Le crochet 1 18 est apte à s'accrocher à l'ergot 1 19 au terme d'une rotation du levier 1 15 dans le sens de fermeture de la serrure 100.  In the example, the securing means comprise a hook 1 18 formed in the lever 1 15, cooperating with the lug 1 19 through the bolt 108, when the lock 100 is in the closed position and locked. Preferably, the hook 1 18 is disposed at one end of the lever 1 15. The hook 1 18 is adapted to hook to the pin 1 19 at the end of a rotation of the lever 1 15 in the closing direction of the lock 100.
Le levier 1 15 comporte en outre des moyens de détection d'une position du cliquet 1 1 1 . Les moyens de détection de la position du cliquet comprennent par exemple un marquage visuel disposé sur le levier 1 15. Dans l'exemple, le levier 1 15 comporte un pion 120 disposé à une extrémité du levier 1 15 opposée au crochet 1 18. Le pion 120 est destiné à porter un bouton comprenant un premier marquage d'une couleur, par exemple le vert, et un deuxième marquage d'une autre couleur, par exemple le rouge. Lorsque la serrure 100 est fermée et verrouillée, le levier 1 15 est dans une position telle que le bouton fait apparaître à travers une ouverture pratiquée dans le panneau, le premier marquage de couleur. Dans les autres positions de la serrure, le levier 1 15 est dans une position telle que le bouton fait apparaître à travers l'ouverture pratiquée dans le panneau, le deuxième marquage de couleur. Ainsi, un observateur peut constater si la serrure 100 se trouve en position fermée et verrouillée, ou dans une autre position.  The lever 1 15 further comprises means for detecting a position of the pawl 1 1 1. The means for detecting the position of the pawl comprise, for example, a visual marking placed on the lever 1. In the example, the lever 1 comprises a pin 120 disposed at one end of the lever 1 opposite the hook 1 18. The pin 120 is intended to carry a button comprising a first marking of a color, for example green, and a second marking of another color, for example red. When the lock 100 is closed and locked, the lever 1 15 is in a position such that the button appears through an opening in the panel, the first color marking. In the other positions of the lock, the lever 1 15 is in a position such that the button appears through the opening made in the panel, the second color marking. Thus, an observer can see if the lock 100 is in the closed and locked position, or in another position.
En variante représentée à la figure 5 et à la figure 6, la serrure 100 comporte entre les parois 101 un capteur 121 de type inductif disposé de manière à détecter une portion du levier 1 15 de commande. Cette portion est par exemple disposée à proximité de l'extrémité du levier 1 15, opposée au crochet 1 18. Cette portion est par exemple conçue comme une languette 122 transversale. Lorsque la serrure 100 se trouve en position fermée et verrouillée, la languette 122 est disposée face au capteur 121 inductif, qui la détecte. Le capteur envoie alors un signal électrique, utilisé pour allumer un voyant dans le cockpit de l'appareil ou sur le panneau informant le pilote ou un opérateur au sol de la position fermée et verrouillée de la serrure. In a variant shown in FIG. 5 and in FIG. 6, the lock 100 comprises between the walls 101 a sensor 121 of inductive type arranged to detect a portion of the lever 1 15 of control. This portion is for example disposed near the end of the lever 1 15, opposite the hook 1 18. This portion is for example designed as a tongue 122 cross. When the lock 100 is in the closed and locked position, the tongue 122 is disposed facing the inductive sensor 121, which detects it. The sensor then sends an electrical signal, used to light a light in the cockpit of the aircraft or on the panel informing the pilot or an operator on the ground of the closed and locked position of the lock.
Dans l'exemple présenté à la figure 5 et à la figure 6, le levier 1 15 de commande comprend en outre une portion 123 en excroissance disposée à proximité du crochet 1 18. La portion 123 en excroissance du levier 1 15 et la portion du levier 1 15 accueillant la languette 122 comprennent chacune un taraudage apte à être relié à une tringlerie de commande. La tringlerie de commande est reliée soit à l'une soit à l'autre des portions.  In the example shown in FIG. 5 and in FIG. 6, the lever 1 15 of control further comprises a protruding portion 123 disposed near the hook 1 18. The protruding portion 123 of the lever 1 15 and the portion of the lever 1 15 accommodating the tongue 122 each comprise a tapping adapted to be connected to a control linkage. The control linkage is connected to either portion.
La fermeture de la serrure 100 se déroule comme suit. La serrure 100 est en position ouverte (figure 4) et la porte de l'appareil est ouverte de sorte que le fil de gâche se trouve à l'entrée de l'ouverture 104. La dent 1 12 du cliquet 1 1 1 coopère avec la portion 1 141 du pêne 108. Le crochet 109 du pêne 108 est dirigé en direction des bords 105 des parois 101 . Puis, le fil de gâche pénètre dans l'ouverture 104, par les bords 105. Le fil de gâche suit la trajectoire 1051 vers le fond de l'ouverture 104 lors de la fermeture de la porte, et entraîne en rotation le pêne 108 dans le sens de fermeture de la serrure 100, en se logeant dans le crochet 109. Simultanément, la dent 1 12 du cliquet 1 1 1 glisse le long de la portion 1 141 du pêne 108 jusqu'à atteindre le deuxième cran 1 14, puis glisse le long du deuxième cran 1 14, jusqu'à atteindre le premier cran 1 13. La dent 1 12 du cliquet 1 1 1 s'engage alors dans le premier cran 1 13 du pêne 108 et la branche 1 10 du crochet 109 est positionnée de sorte à bloquer le fil de gâche contre le fond de l'ouverture 104. La serrure 100 est en position fermée et déverrouillée (figure 2). Enfin, le levier 1 15 pivote sous l'action du ressort de torsion dans le sens de fermeture de la serrure 100, de sorte que le crochet 1 18 du levier 1 15 s'accroche à l'ergot 1 19 du pêne 108. La serrure 100 est alors en position fermée et verrouillée. Si, au cours de la fermeture de la serrure 100, le fil de gâche s'arrête au cours de la trajectoire 1051 alors que la dent 1 12 du cliquet 1 1 1 glisse le long du deuxième cran 1 14, la dent 1 12 s'engage dans le deuxième cran 1 14, laissant la serrure 100 en position intermédiaire (figure 3). The lock 100 is closed as follows. The lock 100 is in the open position (FIG. 4) and the door of the apparatus is open so that the striker wire is at the entrance of the opening 104. The tooth 1 12 of the pawl 1 1 1 cooperates with the portion 1 141 of the bolt 108. The hook 109 of the bolt 108 is directed towards the edges 105 of the walls 101. Then, the striker thread enters the opening 104, by the edges 105. The striker thread follows the path 1051 towards the bottom of the opening 104 when closing the door, and causes the bolt 108 to rotate in the direction of closing of the lock 100, by being housed in the hook 109. Simultaneously, the tooth 1 12 of the pawl 1 1 1 slides along the portion 1 141 of the bolt 108 to reach the second notch 1 14, then slides along the second notch 1 14, until reaching the first notch 1 13. The tooth 1 12 of the pawl 1 1 1 then engages in the first notch 1 13 of the bolt 108 and the branch 1 10 of the hook 109 is positioned to lock the strike wire against the bottom of the opening 104. The lock 100 is in the closed position and unlocked (Figure 2). Finally, the lever 1 15 pivots under the action of the torsion spring in the closing direction of the lock 100, so that the hook 1 18 of the lever 1 15 is hooked to the lug 1 19 of the bolt 108. lock 100 is then in the closed and locked position. If, during the closing of the lock 100, the striker wire stops during the trajectory 1051 while the tooth 1 12 of the pawl 1 1 1 slides along the second notch 1 14, the tooth 1 12 s engages in the second notch 1 14, leaving the lock 100 in the intermediate position (Figure 3).
Si le fil de gâche s'enfonce trop dans l'ouverture 104, le pêne 108 continue à pivoter dans le sens de fermeture de sorte que la dent 1 12 du cliquet 1 1 1 ne s'engage pas avec le premier cran 1 13 du pêne 108, mais glisse le long de ce dernier. La position de la dent 1 12 du cliquet 1 1 1 par rapport au premier cran 1 13 du pêne 108 empêche au crochet 1 18 du levier 1 15 de venir s'accrocher à l'ergot 1 19 du pêne 108, la rotation du levier 1 15 et du cliquet 1 1 1 autour du deuxième axe 103 étant liée. De même, en position ouverte ou intermédiaire, le fait que la dent 1 12 du cliquet 1 1 1 coopère avec la portion 1 141 du pêne 108 ou est engagée avec le deuxième cran 1 14 du pêne 108 empêche au crochet 1 18 du levier 1 15 de venir s'accrocher à l'ergot 1 19. Ainsi, la serrure 100 ne peut pas être verrouillée sans que la dent 1 12 du cliquet 1 1 1 soit engagée avec le premier cran 1 13. Autrement dit, la serrure 100 ne peut pas être verrouillée sans être en position fermée.  If the striker wire goes too far into the opening 104, the bolt 108 continues to pivot in the closing direction so that the tooth 1 12 of the pawl 11 1 does not engage with the first notch 1 13 of the bolt 108, but slides along the latter. The position of the tooth 1 12 of the pawl 1 1 1 relative to the first notch 1 13 of the bolt 108 prevents the hook 1 18 of the lever 1 15 to come hook to the pin 1 19 of the bolt 108, the rotation of the lever 1 15 and the pawl 1 1 1 around the second axis 103 being bonded. Similarly, in the open or intermediate position, the fact that the tooth 1 12 of the pawl 1 1 1 cooperates with the portion 1 141 of the bolt 108 or is engaged with the second notch 1 14 of the bolt 108 prevents the hook 1 18 of the lever 1 15 to come cling to the lug 1 19. Thus, the lock 100 can not be locked without the tooth 1 12 of the pawl 1 1 1 is engaged with the first notch 1 13. In other words, the lock 100 does not can not be locked without being in the closed position.
L'ouverture de la serrure 100 se déroule comme suit. Depuis la position fermée et verrouillée de la serrure 100 (figure 1 ), le levier de commande 1 15 est pivoté par une commande extérieure autour du deuxième axe 103, dans le sens d'ouverture de la serrure 100 de sorte que le crochet 1 18 du levier 1 15 se libère de l'ergot 1 19. Lorsque le crochet 1 18 est libre de l'ergot 1 19 et que la dent 1 12 du cliquet 1 1 1 est engagée avec le premier cran 1 13, la serrure 100 est en position fermée et déverrouillée (figure 2). Puis, le levier 1 15 pivote davantage dans le même sens de rotation entraînant avec lui le cliquet 1 1 1 , de sorte que la dent 1 12 du cliquet 1 1 1 se désengage du premier cran 1 13, et que le pêne 108 est libre de pivoter dans le sens d'ouverture de la serrure 100. Le fil de gâche suit la trajectoire 1051 en direction des bords 105 des parois, et le crochet 1 09 libère le fil de gâche en pivotant dans le sens d'ouverture de la serrure 100. Enfin, le fil de gâche sort de l'ouverture 104, laissant le crochet 109 dirigé vers les bords 105, et la dent 112 du cliquet 111 coopérant avec la portion 1141 du pêne 108. La serrure 100 est alors en position ouverte (figure 4). The opening of the lock 100 proceeds as follows. From the closed and locked position of the lock 100 (FIG. 1), the control lever 1 15 is pivoted by an external control around the second axis 103, in the opening direction of the lock 100 so that the hook 1 18 the lever 1 15 is released from the lug 1 19. When the hook 1 18 is free of the lug 1 19 and the tooth 1 12 of the pawl 1 1 1 is engaged with the first notch 1 13, the lock 100 is in the closed and unlocked position (Figure 2). Then, the lever 1 15 pivots more in the same direction of rotation driving with it the pawl 1 1 1, so that the tooth 1 12 of the pawl 1 1 1 disengages the first notch 1 13, and the bolt 108 is free to pivot in the opening direction of the lock 100. The strike wire follows the path 1051 towards the edges 105 of the walls, and the hook 1 09 releases the striker thread pivoting in the opening direction of the lock Finally, the strand wire comes out of the opening 104, leaving the hook 109 directed towards the edges 105, and the tooth 112 of the pawl 111 cooperating with the portion 1141 of the bolt 108. The lock 100 is then in the open position (Figure 4).
Une telle serrure 100 permet de sécuriser l'engagement de la dent 112 du cliquet 111 avec le premier cran 113 au moyen du crochet 118 du levier 115 qui vient s'accrocher à l'ergot 119 du pêne 108.  Such a lock 100 makes it possible to secure the engagement of the tooth 112 of the pawl 111 with the first detent 113 by means of the hook 118 of the lever 115 which clings to the lug 119 of the bolt 108.

Claims

REVENDICATIONS
1 . - Serrure (100) comprenant : 1. - lock (100) comprising:
- deux parois (101 ) sensiblement planes portant un premier axe (102) de liaison pivot et un deuxième axe (103) de liaison pivot, les premier et deuxième axes étant sensiblement perpendiculaires aux plans ;  two substantially planar walls (101) carrying a first pivot connection axis (102) and a second pivot connection axis (103), the first and second axes being substantially perpendicular to the planes;
- un pêne (108) apte à pivoter autour du premier axe, le pêne comprenant un crochet (109) apte à accrocher un fil de gâche ;  - A bolt (108) pivotable about the first axis, the bolt comprising a hook (109) adapted to hang a striker thread;
- un cliquet (1 1 1 ) apte à pivoter autour du deuxième axe, le cliquet comprenant une dent (1 12) apte à s'engager avec au moins un cran (1 13, - A pawl (1 1 1) pivotable about the second axis, the pawl comprising a tooth (1 12) adapted to engage with at least one notch (1 13,
1 14) ménagé sur le pêne ; 1 14) provided on the bolt;
- un levier (1 15) de commande apte à pivoter autour du deuxième axe, le levier comprenant un moyen (1 16) d'entraînement en rotation du cliquet autour du deuxième axe ;  - A control lever (1 15) adapted to pivot about the second axis, the lever comprising means (1 16) for rotating the pawl around the second axis;
ladite serrure étant caractérisée en ce que le levier de commande comporte des moyens (1 18, 1 19) de sécurisation de fermeture de la serrure, lesdits moyens de sécurisation comprenant un crochet (1 18) ménagé sur le levier de commande et un ergot (1 19) disposé sur le pêne, sensiblement parallèlement au premier axe. said lock being characterized in that the control lever comprises means (1 18, 1 19) for securing closure of the lock, said securing means comprising a hook (1 18) provided on the control lever and a pin ( 1 19) disposed on the bolt, substantially parallel to the first axis.
2. - Serrure (100) selon la revendication 1 , dans laquelle le crochet (1 18) coopère avec l'ergot (1 19) lorsque la serrure est en position fermée. 2. - Lock (100) according to claim 1, wherein the hook (1 18) cooperates with the lug (1 19) when the lock is in the closed position.
3. - Serrure selon l'une des revendications 1 à 2, dans laquelle le levier de commande (1 15) et le cliquet (1 1 1 ) sont situés entre les plans des parois3. - Lock according to one of claims 1 to 2, wherein the control lever (1 15) and the pawl (1 1 1) are located between the wall planes
(101 ). (101).
4. - Serrure (100) selon la revendication 1 , dans laquelle le moyen d'entraînement en rotation du cliquet (1 1 1 ) est un épaulement (1 16) apte à coopérer avec au moins un ergot (1 17, 1 17') ménagé sur le cliquet. 4. - Lock (100) according to claim 1, wherein the rotary drive means of the pawl (1 1 1) is a shoulder (1 16) adapted to cooperate with at least one lug (1 17, 1 17 '). ) provided on the ratchet.
5. - Serrure (100) selon la revendication 1 , dans laquelle le levier (1 15) de commande et le cliquet (1 1 1 ) sont monoblocs. 5. - Lock (100) according to claim 1, wherein the lever (1 15) of control and the pawl (1 1 1) are monobloc.
6. - Serrure (100) selon la revendication 1 , comprenant des moyens de détection d'une position du cliquet (1 1 1 ). 6. - Lock (100) according to claim 1, comprising means for detecting a position of the pawl (1 1 1).
7. - Serrure (100) selon la revendication 6, dans laquelle les moyens de détection de la position du cliquet (1 1 1 ) comprennent un marquage visuel disposé à une extrémité du levier (1 15) de commande. 7. - Lock (100) according to claim 6, wherein the detecting means of the position of the pawl (1 1 1) comprise a visual marking disposed at one end of the lever (1 15) control.
8. - Serrure (100) selon la revendication 6, dans laquelle les moyens de détection de la position du cliquet comprennent un capteur (121 ) inductif. 8. - Lock (100) according to claim 6, wherein the detecting means of the pawl position comprise an inductive sensor (121).
9. - Serrure (100) selon l'une des revendications précédentes, dans laquelle les parois (101 ) portent en outre un troisième axe (106) et un quatrième axe9. - Lock (100) according to one of the preceding claims, wherein the walls (101) further carry a third axis (106) and a fourth axis
(107), sensiblement parallèles au premier axe, la serrure étant apte à être fixée à un panneau par l'intermédiaire du premier, du troisième et du quatrième axe. (107), substantially parallel to the first axis, the lock being adapted to be fixed to a panel via the first, third and fourth axis.
EP13821863.1A 2012-12-19 2013-12-06 Aircraft lock Not-in-force EP2935740B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1262350A FR2999636B1 (en) 2012-12-19 2012-12-19 LOCK FOR AIRCRAFT
PCT/FR2013/052986 WO2014096618A1 (en) 2012-12-19 2013-12-06 Aircraft lock

Publications (2)

Publication Number Publication Date
EP2935740A1 true EP2935740A1 (en) 2015-10-28
EP2935740B1 EP2935740B1 (en) 2017-02-22

Family

ID=47882283

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13821863.1A Not-in-force EP2935740B1 (en) 2012-12-19 2013-12-06 Aircraft lock

Country Status (6)

Country Link
US (1) US20150354252A1 (en)
EP (1) EP2935740B1 (en)
CN (1) CN104854291B (en)
CA (1) CA2892946A1 (en)
FR (1) FR2999636B1 (en)
WO (1) WO2014096618A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3069004B1 (en) 2017-07-13 2021-04-09 Lisi Aerospace LOCK AND AIRCRAFT STRIKE WITH SUCH STRIKE

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US5730480A (en) * 1995-02-16 1998-03-24 Ohi Seisakusho Co., Ltd. Lock device for retractable automotive seat
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FR2798692B1 (en) * 1999-09-20 2001-11-23 Valeo Securite Habitacle LOCK FOR A SUNLOCK OF A MOTOR VEHICLE, AND VEHICLE EQUIPPED WITH SUCH LOCK
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Also Published As

Publication number Publication date
EP2935740B1 (en) 2017-02-22
US20150354252A1 (en) 2015-12-10
FR2999636B1 (en) 2017-12-01
CA2892946A1 (en) 2014-06-26
WO2014096618A1 (en) 2014-06-26
FR2999636A1 (en) 2014-06-20
CN104854291B (en) 2017-02-22
CN104854291A (en) 2015-08-19

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