• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a locking system (100) comprising: - a handle (104) rotatably mounted around a maneuvering axis (110), the handle being movable between a locked position and an unlocked position, - a hook (102), rotatably mounted on the handle (104), the hook having an impression (116) in which a mooring point (52) of a structure is provided to engage when the handle (104) is in the locked position, characterized in that the locking system (100) comprises a key (120) associated with the hook (102) and ensuring the transition from the locked position to the unlocked position of the handle (104), the key (120) ) being removable when the handle (104) is in the locked and irremovable position when the handle (104) is in the unlocked position.
    公开号:FR3015953A1
    申请号:FR1450002
    申请日:2014-01-02
    公开日:2015-07-03
    发明作者:Alain Bignolais；Christian Fabre
    申请人:Airbus Operations SAS；
    IPC主号:
    专利说明:

    [0001] The present invention relates to a cap locking system of an aircraft nacelle, an aircraft nacelle comprising such a locking system, and an aircraft comprising such a nacelle. An aircraft comprises at least one nacelle in which is housed an engine, for example of the turbojet type, and which is suspended from a mast. The nacelle usually has two hoods (fan cow in English) that can be opened to allow maintenance of the engine. Each cover is articulated about an opening axis parallel to the longitudinal axis of the nacelle and disposed at the top of the covers, and the two covers are 1 () arranged symmetrically on either side of the mast. Each cover is thus movable between a closed position in which the cover is disposed in the extension of the outer surface of the nacelle so as to cover the fan casing and an open position, in which an operator can access the engine. The lower edges of the covers which are located in the lower part of the nacelle, are substantially contiguous in the closed position and are held in this locked position by a plurality of locking systems distributed along the adjoining lower edges of the covers. Fig. 1 shows a section of a state of the art locking system 50 between a first cover 10 and a second cover 20. The first cover 10 carries a docking point 52, also called a keeper which is attached at the lower edge of the first cap 10. The locking system 50 also includes a hook 54 and a handle 58 which are rotatably mounted relative to each other about an axis of rotation 56. handle 58 and the hook 54 are mounted together, rotatable at the lower edge of the second cover 20 via a hinge 62 about the axis of rotation 56. The hinge 62 consists of two rods mounted movable in rotation relative to each other, one of which is rotatably mounted on the second cover 20 and the other door handle 58/30 hook 54. In the engaged position, the hook 54 receives the mooring point 52, and the locking system age 50 is locked when the handle is folded between the covers 10 and 20.
    [0002] Before take-off, an operator must verify that the locking system 50 is properly engaged and locked. Under their own weight, the covers 10 and 20 tend to come closer, and an operator may wrongly consider, after visual verification, that the locking system is engaged and locked.
    [0003] An object of the present invention is to provide a locking system which does not have the disadvantages of the prior art and which in particular allows an operator to visually certify that the locking system is effectively locked. For this purpose, there is provided a locking system comprising: - a handle mounted to rotate about an operating axis, the handle being movable between a locked position and an unlocked position, - a hook mounted to rotate on the handle the hook having an impression in which a mooring point of a structure is provided to engage when the handle is in the locked position, and - a key associated with the hook and ensuring the transition from the locked position to the unlocked position of the handle, the key being removable when the handle is in the locked position and irremovable when the handle is in the unlocked position. Such a locking system prevents the removal of the key until the lock is complete and an operator can easily see that the locking system is not properly locked since the key remains visible. The characteristics of the invention mentioned above, as well as others, will appear more clearly on reading the following description of an exemplary embodiment, said description being made in connection with the attached drawings, among which: FIG. . 1 is a diagrammatic representation in section of a locking system of the state of the art, FIG. 2 shows the locking system according to the invention in the locked and locked position, FIG. 3 shows a step of unlocking the locking system, FIG. 4 shows the locking system in the engaged and unlocked position, FIG. 5 shows the locking system during the maneuver to disengage it, FIG. 6 shows the locking system in a locking position, FIG. 7 shows the locking system in the lock position of the key, FIG. 8 shows the locking system in the disengaged position and locking the key, FIG. 9 shows another view of the locking system, and FIG. 10 shows a partial view of the locking system. The invention is more particularly described in the context of a locking system for cowls of an aircraft nacelle fixed under a mast of said aircraft The cowls are rotatably mounted around an opening axis parallel to the axis of the nacelle and on both sides of the mast. Fig. 2 shows a locking system 100 which is intended to lock two structures, in particular the lower edges of the two covers, the first of which has a mooring point 52. The lower edge of the second cover has a hinge 62 here constituted by two connecting rods movable in rotation relative to each other, and the first of which is rotatably mounted on the lower edge of the second hood, the second door of the locking system 100. The locking system 100 comprises a hook 102 ( which is seen in Fig. 1 cut by a median plane of the locking system 100) and a handle 104.
    [0004] The hook 102 is rotatably mounted on the handle 104 about an operating axis 110 parallel to the opening axis and the handle 104 is rotatably mounted on the second link of the hinge 62 around the 110. The hook 102 has a recess 116 in which the anchoring point 52 engages in the engaged position, which corresponds to a locked position of the handle 104. The handle 104 is thus movable between the locked position which ensures the locking of the two covers one on the other and where the mooring point 52 engages in the hook 102, and an unlocked position in which the two covers are detached and where the mooring point 52 n ' is not engaged in the hook 102.
    [0005] The locking system 100 includes a key 120 associated with the hook 102 and ensuring the transition from the locked position to the unlocked position of the handle 104, the key 120 being removable when the handle 104 is in the locked position and irremovable when the handle 104 is in the unlocked position.
    [0006] The term "associated" means that the movement of the hook 102 is possible only if the key 120 is present and an operator acts on the key 120. The term "removable" means that the key 120 can be removed only by action of an operator and the term "irremovable" means that the key 120 can not be removed even by an operator. Thus, as long as the locking system 100 is not engaged and locked, the key 120 remains apparent to the operator. Here, the locking system 100 comprises a counter-hook 106, a locking pallet 113, a first return means 115 and a second return means 117 (Fig. 10). The counter-hook 106 is mounted movable in translation on the handle 104 and has a counter-cavity 114. FIG. 2 shows the counter-hook 106 in the locked position in which the counter-cavity 114 is placed opposite the recess 116 in the engaged position, so that the mooring point 52 houses in the counter-cavity 114 and is thus sandwiched between the impression 116 and the counter-hole 114, the handle 104 is then in the locked position. Fig. 3 shows the counter-hook 106 in the unlocked position in which the counter-cavity 114 is remote from the mooring point 52, allowing the rotation of the handle 104 from the locked position to the unlocked position. Fig. 7 shows the counter-hook 106 in the overtaking position, distinct from the locked position and the unlocked position, and in which the counter-hook 106 occupies a space in which the anchoring point 52 engages in the engaged position, c that is, when the handle 104 is in the locked position.
    [0007] The overtaking position is beyond the locked position relative to the unlocked position. The translation is carried out here by two bars 121a-b integral with the handle 104 and oblong holes 119a-b made in the counter-hook 106 and whose longitudinal axes are parallel to the direction of translation. The bars 121a-b are fitted into the oblong holes 119a-b which move along the two bars 121a-b. To ensure the stability of the counter-hook 106, there are two pairs of holes 119a-b distributed on either side of the median plane. Fig. 10 shows the second return means 117 which forces the counter-hook 106 in the overtaking position. The second return means 117 here takes the form of a torsion spring fitted on the bar 121a and whose arms bear respectively against the handle 104 and against the counter-hook 106, here via a stud 150 The locking pallet 113 is mounted in translation on the handle 104 in a direction parallel to the translation direction of the counter-hook 106. The translation is also performed here by oblong holes 123a-b made in the locking pallet 113 and which move along the two bars 12la-b. To ensure the stability of the locking pallet 113, there are also two pairs of holes 123a-b distributed on either side of the median plane.
    [0008] Figs. 2 and 3 show the locking pallet 113 in free position in which it is in contact against the anchoring point 52 in the engaged position, that is to say when the handle 104 is in the locked position. Figs. 6 to 8 show the locking pallet 113 in the locked position in which, the handle 104 having been operated, the locking pallet 113 is no longer in contact with the anchoring point 52 and has moved so as to occupy the space in which engages the mooring point 52 in the engaged position and therefore the handle 104 in the locked position, which corresponds substantially to the overhang position of the counter-hook 106. The first return means 115 constrains the pallet blocking device 113 in the blocking position. The first return means 115 here takes the form of a torsion spring fitted on a stud of the counter-hook 106 and whose arms bear respectively against the locking pallet 113 and the counter-hook 106, here via a locking stud 125. The blocking stud 125 is mounted to move in translation on the counter-hook 106 in a release direction which is here perpendicular to the direction of translation. The blocking pin 125 is here mounted in an oblong groove 127 of the counter-hook 106. The blocking pin 125 is movable between a rest position (FIG 2) in which it lodges in a resting housing 129 made in the pallet blocking device 113, and an actuating position (FIG 3) in which it no longer lodges in the resting housing 129. A return means, which here is the first return means 115, forces the blocking block 125 into position. rest position.
    [0009] The key 120 is provided to move the locking pin 125 from the rest position to the actuating position in the unlocking direction and to move the counter-hook 106 from the locked position to the unlocked position by moving along. the direction of translation.
    [0010] The locking system 100 further comprises locking means provided to prevent the removal of the key 120 when the blocking pad 125 is in the actuating position and the counter-hook 106 in the unlocked position and allowing the withdrawal of the key 120 when the counter-hook 106 is in the locked position. Fig. 9 shows another view of the locking system 100.
    [0011] The counter-hook 106 has a bore 703 disposed at the right of the blocking block 125 and which allows the introduction of the key 120 in the unlocking direction. The locking pallet 113 has a groove 705 parallel to the direction of translation and delimited by two edges spaced by a distance less than the transverse dimension of the key 120. The groove 705 terminates in an eyelet 707 which is placed next to the bore 703 when the locking pallet 113 is in the free position and whose dimensions allow the introduction of the key 120. The key 120 comprises: - at its end, a first hollow recess 702 which is intended to receive the stud block 125 in the actuating position and which here takes the form of a half-cylinder, - downstream of the first housing 702, a second hollow recess 704 which is intended to receive a fixed element of the handle 104 when the counter-hook 106 is in the protruding position and the locking pallet 113 in the locked position, the fixed element is here the bar 121a, and the second housing 704 here takes the form of a toric groove, - downstream of the deu 12th housing 704, a third hollow recess 706 which is intended to receive the two edges remote from the groove 705 when the counter-hook 106 leaves the locked position, and which here takes the form of a parallelepipedal groove.
    [0012] The locking means thus comprise the bore 703, the groove 705, the first housing 702, the second housing 704 and the third housing 706. The operation of the locking system 100 from an engaged and locked position (FIG. 2) where the anchoring point 52 is sandwiched between the recess 116 and the recess 114, the locking pallet 113 is in the free position, the locking stud 125 is in the rest position, and the eyelet 707 and the bore 703 are aligned opposite the blocking pin 125, is as follows: an operator introduces the key 120 (FIG 3) in the unlocking direction (arrow 152) through the eyelet 707 and the bore 703 in the unlocking direction, so that the first housing 702 moves the blocking stud 125 into the actuating position, - the operator translates the key 120 (Fig. 4) in a first direction along the the direction of translation (arrow 154), and consequently of against -crochet 106 to the unlocked position, during this movement, the two edges remote from the groove 705 are housed in the third housing 706, the key 120 can then no longer be removed, - the operator then performs a rotation of the handle 104 about the operating shaft 110 according to the arrow 156 (Fig. 5) until the locking pallet 113 is no longer in contact with the anchoring point 52, - when the locking pallet 113 is no longer in contact with the anchoring point 52 (FIG. the first biasing means 115 constrains the locking pallet 113 in the displacement locking position in a second direction along the direction of translation (arrow 158), - the key 120 can then be released (Fig. 7), and the second biasing means 117 forces the counter-hook 106 into the displacement overtaking position in the second direction along the direction of translation (arrow 158), which also causes the key 120 to move and the rod 121a to be placed in the second housing 704, which prevents the removal of the key 120 and the return of the locking pin 125 in the rest position, and - the mooring point 52 can then be disengaged from the hook 102. Thus, even if the handle 104 is returned to position (Fig. 8) while the mooring int 52 is absent, the key 120 can not be removed and therefore signals to the operator a latching and locking fault. The operation of the locking system 100 from a disengaged and unlocked position (which corresponds to Fig. 7 without the docking point 52) is as follows: - the operator moves the key 120 in the first direction on along the translation direction (154) so that the counter-hook 106 is in the unlocked position, - the operator engages the docking point 52 in the hook 102, - the operator switches the handle 104 in the the direction opposite to that of the arrow 156, so that the locking pallet 113 (which corresponds to Fig. 6) meets the anchoring point 52 and moves under this constraint to the free position, for this purpose , the locking pallet 113 has a sloping edge along which the anchoring point 52 slides during tilting, - the locking system 100 is then in the position of FIG. 4, the operator can then release the key 120 which moves in the second direction along the direction of translation (arrow 158) and the counter-hook 106 is positioned in locked position (FIG 3), and The operator can then remove the key 120 in the reverse direction to the unlocking direction (arrow 152). To enhance the visibility of the operator, a flame 160 (Fig. 9) can be attached to the key 120.
    权利要求:
    Claims (8)
    [0001]
    CLAIMS1) Locking system (100) comprising: - a handle (104) rotatably mounted around a maneuvering axis (110), the handle being movable between a locked position and an unlocked position, - a hook (102) , rotatably mounted on the handle (104), the hook (102) having an impression (116) in which a mooring point (52) of a structure is provided to engage when the handle (104) is in the locked position, characterized in that the locking system (100) comprises a key (120) associated with the hook (102) and ensuring the transition from the locked position to the unlocked position of the handle (104), the key (120) ) being removable when the handle (104) is in the locked and irremovable position when the handle (104) is in the unlocked position.
    [0002]
    2) Locking system (100) according to claim 1, characterized in that it comprises: - a counter-hook (106) having a counterprint (114), and mounted movable in translation on the handle (104) according to a translation direction between a locked position in which the mooring point (52) is sandwiched between the counter-cavity (114) and the cavity (116) when the handle (104) is in the locked position, a unlocked position in which the counter-cavity (114) is remote from the mooring point (52) allowing rotation of the handle (104) from the locked position to the unlocked position, and an overtaking position distinct from the locked position and the unlocked position, and wherein the counter-hook (106) occupies a space in which the docking point (52) engages when the handle (104) is in the locked position, - a locking pallet (113) ) mounted movable in translation on the handle (104) in the translation direction, between a free position in which the locking pallet (113) is in contact with the anchoring point (52) when the handle (104) is in the locked position, and a position of blockage in which the locking pallet (113) occupies a space in which the anchoring point (52) engages when the handle is in the locked position, the locking pallet (113) having a resting housing (129), - A locking pin (125) mounted to move in translation on the counter-hook (106) in a release direction, between a rest position in which it accommodates in the resting housing (129), and an actuating position. in which it does not fit in the resting housing (129), and - the key (120) being provided for cooperating with the blocking stud (125) to move it from the rest position to the actuating position and to pass the counter-hook (106) from the locked position to the unlocked position, the locking system (100) further comprising locking means provided to prevent withdrawal of the key (120) when the blocking stud (125) is in the actuating position and the counter-hook ( 106) in the unlocked position and allow the removal of the key (120) when the counter-hook (106) is in the locked position.
    [0003]
    3) Locking system (100) according to claim 2, characterized in that it comprises: - a first biasing means (115) which constrains the locking pallet (113) in the locking position and the locking pin (125). ) in the rest position, and - a second biasing means (117) which forces the counter-hook (106) in the extended position.
    [0004]
    4) Locking system (100) according to one of claims 2 or 3, characterized in that the locking pin (125) is constrained in the rest position by the first biasing means (115).
    [0005]
    5) locking system (100) according to one of claims 2 to 4, characterized in that the overtaking position is beyond the locked position relative to the unlocked position.
    [0006]
    6) locking system (100) according to one of claims 2 to 5, characterized in that the locking means comprise: - a bore (703) formed in the counter-hook (106) to the right of the blocking stud ( 125), - a groove (705) formed in the locking pallet (113), parallel to the direction of translation and defined by two distant edges and ending withaoeillet (707) intended to be placed opposite the bore ( 703) when the locking pallet (113) is in the free position, - on the key (120): - at its end, a first hollow recess (702) intended to receive the locking stud (125) in the position of actuating, downstream of the first housing (702), a second hollow recess (704) for receiving a fixed element of the handle (104) when the counter-hook (106) is in the protruding position and the locking pallet (113) in the locking position, - downstream of the second housing (704), a third recess (706) recessed for receiving the two remote edges when the counter-hook (106) leaves the locked position.
    [0007]
    7) Aircraft nacelle comprising two covers mounted mobile in rotation about an opening axis parallel to the axis of the nacelle, the first cover having a mooring point (52), and a locking system (100). ) according to one of the preceding claims, the handle (104) is rotatably mounted on the second cover about an actuating axis (110) parallel to the opening axis.
    [0008]
    8) Aircraft having a mast under which is fixed a nacelle according to claim 7.20
    类似技术:
    公开号 | 公开日 | 专利标题
    FR3015953A1|2015-07-03|HOOD LOCKING SYSTEM
    FR3015952A1|2015-07-03|HOOD LOCKING SYSTEM
    EP0569295A1|1993-11-10|Luggage carrier for motor vehicles
    EP1672743A1|2006-06-21|Device for locking an electric apparatus onto a supporting rail
    EP2179117B1|2011-01-05|Locking device
    EP2319762B1|2015-12-16|Linking device intended for mutually connecting first and second mobile elements
    EP2748395B1|2016-06-29|Locking device with mechanical detection of closing and opening
    EP2691587B1|2019-10-16|Locking device with mechanical detection of closure and opening
    WO2014076434A1|2014-05-22|Turbofan nacelle having a lock engaging with a member for locking the closing thereof
    EP1099629A1|2001-05-16|Seal fault display in particular for aircraft engine cowl panels
    FR2832752A1|2003-05-30|DEVICE INDICATOR FOR CLOSING FAULT OF AT LEAST ONE LOCKING MECHANISM INTERPOSED BETWEEN TWO ELEMENTS
    EP2622155B1|2015-03-11|Triple-detection double-locking pallet
    FR2937670A1|2010-04-30|TRAPPER SYSTEM.
    EP2181378B1|2012-04-25|Jet engine nacelle intended to equip an aircraft
    EP2220665B1|2014-01-22|Secondary lid for electric apparatus with moulded casing
    WO2000003097A1|2000-01-20|Closing device with selective locking
    EP1136013A1|2001-09-26|Bracelet fastener
    CA3040579A1|2018-05-03|Electrical apparatus comprising a locking device for an attachment rail
    EP3069629B1|2019-07-03|Bracelet clasp
    EP2402236B1|2014-08-27|Lock for swing-down sideboard
    FR2583093A1|1986-12-12|DEVICE FOR CONTROLLING A DOOR LOCKING MECHANISM
    FR3080400A1|2019-10-25|OPENING ELECTRICAL DOOR OPENING CONTROL COMPRISING ALSO MECHANICAL MEANS
    EP2960406B1|2020-10-21|Device for opening and closing an article, especially made of leather, and article comprising such a device
    EP3117044B1|2018-04-04|Device for locking and unlocking a cover in particular of a manhole with the aid of a key
    EP3379009B1|2020-07-08|Arrangement for stopping a door for opening and closing a space, such as the cargo space of a vehicle, in the open position thereof
    同族专利:
    公开号 | 公开日
    US9587516B2|2017-03-07|
    US20150184544A1|2015-07-02|
    FR3015953B1|2016-02-12|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    DE741677C|1941-04-22|1943-11-15|Sievers Fa Carl|Union clamping lock for crates, boxes, suitcases, etc. like|
    US2710214A|1952-12-31|1955-06-07|Camloc Fastener Corp|Latch fastener|
    US4613099A|1982-02-05|1986-09-23|The Boeing Company|Latch signal and cowling structure|
    US4531769A|1982-08-25|1985-07-30|The Boeing Company|Hook latch for an engine cowling|
    US5518206A|1992-05-22|1996-05-21|Short Brothers Plc|Closure default indicator|
    FR2852049A1|2003-03-04|2004-09-10|Laperche Sa|Locking assembly for service pipes of train, has lock with locking unit movable between locking and unlocking positions, and preventing blocking bolt from taking up unblocking position in locking position|CN108979382A|2018-07-26|2018-12-11|江苏圣龙智能科技有限公司|A kind of clasp lock lock body from connection|
    WO2020245535A1|2019-06-04|2020-12-10|Safran Nacelles|System with locking indicator for a nacelle element, comprising a removable key for locking and controlling the indicator|US6513357B2|2000-05-11|2003-02-04|Compx International Inc.|Key retention mechanism for mail lock box|US11060331B2|2013-07-24|2021-07-13|Mra Systems, Llc|Engine door and latch assembly|
    ES2716095T3|2014-02-18|2019-06-10|Hartwell Corp|Tool-operated channel latch|
    WO2016040501A1|2014-09-09|2016-03-17|Hartwell Corporation|Clevis sensing lock|
    US9951718B2|2015-02-19|2018-04-24|Rohr, Inc.|Automatic bifurcation latch systems for a thrust reverser|
    JP6494791B2|2015-04-03|2019-04-03|アーコニック インコーポレイテッドＡｒｃｏｎｉｃ Ｉｎｃ．|Latch with tool recess in trigger|
    US9689345B2|2015-06-10|2017-06-27|Woodward, Inc.|Electric track lock|
    WO2017023788A1|2015-08-04|2017-02-09|Alcoa Inc.|Pressure relief latch|
    ES2709624T3|2015-08-26|2019-04-17|Arconic Inc|Adjustable pressure relief closure|
    WO2017040496A1|2015-09-01|2017-03-09|Alcoa Inc.|Adjustable hook latch|
    US10240389B2|2015-09-30|2019-03-26|Arconic Inc.|Pressure relief door|
    US10378256B2|2015-10-30|2019-08-13|Arconic Inc.|Pressure relief latch|
    ES2718453T3|2016-01-21|2019-07-02|Arconic Inc|Ratchet closure|
    CA3019604C|2016-06-13|2021-01-26|Arconic Inc.|Rotary latch system|
    FR3085702A1|2018-09-12|2020-03-13|Airbus Operations|HOOD LOCKING SYSTEM|
    US10865738B2|2019-02-27|2020-12-15|Woodward, Inc.|Traveling finger lock for an actuator|
    法律状态:
    2015-01-22| PLFP| Fee payment|Year of fee payment: 2 |
    2016-01-21| PLFP| Fee payment|Year of fee payment: 3 |
    2017-01-20| PLFP| Fee payment|Year of fee payment: 4 |
    2018-01-19| PLFP| Fee payment|Year of fee payment: 5 |
    2020-01-21| PLFP| Fee payment|Year of fee payment: 7 |
    2021-01-21| PLFP| Fee payment|Year of fee payment: 8 |
    2022-01-19| PLFP| Fee payment|Year of fee payment: 9 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1450002A|FR3015953B1|2014-01-02|2014-01-02|HOOD LOCKING SYSTEM|FR1450002A| FR3015953B1|2014-01-02|2014-01-02|HOOD LOCKING SYSTEM|
    US14/575,379| US9587516B2|2014-01-02|2014-12-18|Fan cowl locking system|
    [返回顶部]