EP3511496B1 - Serrure a trois positions pour vehicule automobile - Google Patents

Serrure a trois positions pour vehicule automobile Download PDF

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Publication number
EP3511496B1
EP3511496B1 EP18151018.1A EP18151018A EP3511496B1 EP 3511496 B1 EP3511496 B1 EP 3511496B1 EP 18151018 A EP18151018 A EP 18151018A EP 3511496 B1 EP3511496 B1 EP 3511496B1
Authority
EP
European Patent Office
Prior art keywords
lever
pawl
bolt
memory
abutment
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.)
Active
Application number
EP18151018.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3511496A1 (fr
Inventor
Johann Robert
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.)
Minebea AccessSolutions France SAS
Original Assignee
U Shin France 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 U Shin France SAS filed Critical U Shin France SAS
Priority to EP18151018.1A priority Critical patent/EP3511496B1/fr
Priority to CN201980012643.9A priority patent/CN111699295B/zh
Priority to PCT/EP2019/050587 priority patent/WO2019138013A1/fr
Priority to JP2020538042A priority patent/JP7294581B2/ja
Publication of EP3511496A1 publication Critical patent/EP3511496A1/fr
Application granted granted Critical
Publication of EP3511496B1 publication Critical patent/EP3511496B1/fr
Priority to US16/926,218 priority patent/US11572717B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/12—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
    • E05B81/14—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on bolt detents, e.g. for unlatching the bolt
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/12—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
    • E05B81/16—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on locking elements for locking or unlocking action
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/004—Lost motion connections
    • 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
    • E05B79/12—Connections between movable lock parts using connecting rods
    • E05B79/14—Connections between movable lock parts using connecting rods the rods being linked to each other
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/02—Power-actuated vehicle locks characterised by the type of actuators used
    • E05B81/04—Electrical
    • E05B81/06—Electrical using rotary motors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/24—Power-actuated vehicle locks characterised by constructional features of the actuator or the power transmission
    • E05B81/32—Details of the actuator transmission
    • E05B81/34—Details of the actuator transmission of geared transmissions
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/24—Power-actuated vehicle locks characterised by constructional features of the actuator or the power transmission
    • E05B81/32—Details of the actuator transmission
    • E05B81/46—Clutches

Definitions

  • the present invention relates to an electric lock for a door leaf of a motor vehicle, in particular for a door, a tailgate, or a trunk of a motor vehicle.
  • the pawl which retains the bolt is driven by an electric actuator so as to release the bolt. As soon as it is no longer retained by the pawl, the bolt can pivot to release the strike. Once the electric actuator is no longer engaged with the pawl, the pawl is returned by a spring towards the bolt.
  • an electric lock for the door of a motor vehicle comprising a lock casing, a first compartment of which contains a bolt and a pawl, and a second compartment of which sealingly contains a locking lever capable of putting the lock in the locked / released position -condemned, and an electric motor for assistance in opening, characterized in that, in the second compartment, the electric motor is capable of driving in rotation, by means of a gear train, a wheel toothed provided with at least one radially eccentric pin, said pin being intended, during the rotation of the wheel, to drive a control lever until a pin radially eccentric on said wheel comes into contact with an elastic stop at the end of the opening stroke, the electric power supply to the motor being delayed for a time sufficient to ensure that said pin reaches the elastic stop, said control lever being integral in rotation d 'an opening lever arranged in the first compartment and able to cooperate with the pawl to move it to the release position of the bolt.
  • This request thus discloses a double spring return lock using springs requiring an oversized motor in order to overcome the force of the springs during the functional journeys, the lock uses two motors in all.
  • at least one of the end-of-travel positions is not stable and finally this lock can become more compact.
  • the lock according to the invention is such that the second drive member of the driven wheel is a crank pin extending perpendicularly through a recess of complementary shape of the central transfer lever to move said central lever by pressing transfer, said pin being radially eccentric. This facilitates the training of the central transfer lever and the more the eccentricity is pushed the more the necessary stroke is reduced in order to move the central transfer lever sufficiently.
  • the lock according to the invention further comprises a housing in which the driver is located and on which is fixed a stop means equipped of two stops, and in that one of the wheels of the coach comprises an axial projection of the stop capable of moving in rotation between the two stops between two positions called first and third stop positions.
  • the seal allows the lock to be isolated from any dust or liquid that can freeze and harm the mechanism.
  • the stops make it possible to stop the rotation of the motor in a given position without using contactors.
  • the central transfer lever further comprises an elastic return means of the intermediate lever bearing on the first protuberance, said elastic means being capable of returning the intermediate lever to its initial position of non-solicitation in displacement by the central transfer lever . This resets the actuator mechanically once this function is used.
  • the pawl of the lock according to the invention comprises two radial protrusions extending on two distinct planes and perpendicular to the axis of rotation of the pawl, the first protuberance having a surface capable of being driven by the central opening lever and the second protuberance having a surface capable of cooperating in abutment with a notch of the bolt so as to retain the bolt in the strike release position.
  • the lock according to the invention is such that it comprises an elastic return means of the memory lever capable of returning the memory lever to its angular position for blocking the central transfer lever.
  • the lock according to the invention is such that the latch feeler has a notch of complementary shape at the end of the memory lever in order to maintain the memory lever in its angular position erased relative to the stroke of the central transfer lever.
  • the actuator is able to occupy three stop positions:
  • the first stop position being defined by the contact of the axial stop protuberance on one of the stops when the motor rotates in one direction
  • the second abutment position being an intermediate position of the axial abutment projection on a abutment of the first oblong slot when the motor turns in the other direction
  • the radius of the memory lever pawl is greater than that of the latch feeler.
  • FIGS. 1a to 1d represent different elements of the same electric lock according to the invention for a motor vehicle opening from different angles of view.
  • the electric lock S comprises a pivoting bolt 10 intended to cooperate with a keeper (not shown) and not forming in itself part of the invention.
  • the bolt 10 preferably has the form of a fork delimiting a notch 20 capable of receiving a keeper 19.
  • the pawl 9 is integral in rotation with a central opening lever 7, the pivoting of which is driven by an actuator A1 for opening the lock.
  • the pawl 9 is preferably associated with a spring-type return means 9s (not shown) for returning the pawl 9 to the angular locking position.
  • the bolt 10 is able to rotate about an axis of rotation R1 parallel to the axis of rotation R2 of the pawl 9.
  • the central opening lever 7 is also able to rotate around an axis of rotation R3 parallel to R1 and R2. This improves the compactness of the lock according to the invention.
  • the driver E of the lock according to the invention is rotated by a motor assembly 1 and worm screw 3 known per se.
  • the motor is capable of turning the auger in the two possible directions of rotation.
  • the rotation of the endless screw is such as to rotate the driving toothed wheel 2.
  • Which wheel is able to rotate the driven wheel 5 which comprises the crank pins 5c and 5b.
  • the crank pin 5b in rotation is able to move in translation the central transfer lever and the crank pin 5c diametrically opposite to the crank pin 5b on the same face of the driven wheel 5 is able to move angularly between two stops being in a means of stop 18 fixed to the lock housing according to the invention.
  • the lock according to the invention illustrated in the Figures 1a to 1d also shows an interface assembly A2 able to cooperate with the central opening lever 7 so as to move the pawl 9 in its retracted angular position.
  • the interface assembly A2 is defined by the cable (or rod) associated with the release lever.
  • This interface lever A2 allows a connection with a cable or a rod themselves in connection with an interior or exterior handle.
  • FIGS. 1b, 1c and 1d show a release lever 15 able to pivot around its axis R3 ( fig. 1a ) to move the pawl 9 between an angular position for retaining the bolt 10 and a retracted position for release of the keeper (not shown) and comprising a finger 151, said release lever 15 comprising a connecting means 152 capable of receiving a means of displacement 21 of the release lever 15 of cable or rod type.
  • connecting means 152 can be connected to an interior door handle or an exterior handle.
  • the two handles can be at the front or rear of a vehicle.
  • FIG. 1b An elastic return means 7s of the central opening lever 7, one end of which 7s1 ( fig. 1d ) rests on a finger 151 of the release lever 15 in the rest position so as to return said release lever 15 to its initial position after movement of the pawl 9 in its retracted position.
  • the Figures 1c and 1d illustrate the lock S according to the invention and show an intermediate clutch / release lever 14 which is located between the central transfer lever 6 and the release lever 15.
  • This intermediate lever 14 has two protuberances 141 ( fig. 1a ) and 142 ( fig. 1d ) which extend perpendicularly to the plane of the lever 14 which is the plane of the Figures 1c and 1d .
  • the first protrusion 141 extends through an oblong opening 61 belonging to the central transfer lever 6 and the second protrusion 142 ( fig. 1d and 1b ) protrudes through an oblong opening 153 belonging to the release lever 15.
  • This stop means comprises two stops 16 and 17 between which the crank pin 5c of the driven wheel 5 can move.
  • the figures 3a to 3c show the driver E of the lock according to the invention.
  • the driving toothed wheel 2 can be made in one piece comprising on the periphery the teeth and inside a first oblong opening 41 in the form of an arc of a circle or else in several pieces, the second piece 4 comprising the first oblong light 41 in the shape of an arc of a circle ( fig. 3c ).
  • the driven wheel 5 illustrated in the figure 3b is driven in rotation by the driving toothed wheel 2, it comprises a crank pin 5a which extends through the first lumen 41 of the driving toothed wheel 2, the driving wheel 2 is capable of performing a phase shift rotation with the driven wheel 5
  • the two crank pins 5b and 5c respectively serving to move (5b) the central transfer lever 6 and stop (5c) able to move in rotation between the two stops 16,17 to define the first and third stop positions of the lock according to the invention.
  • crank pin 5a and the crank pin 5c being in diametrically opposite directions.
  • the extension of the crankpin is done through the oblong opening in the form of an arc of a circle 41 of the disc 4 which can be merged with the driven toothed wheel 2 so as to form only one piece.
  • the figure 4 makes it possible to more clearly distinguish the stops 16 and 17 of the stop means 18 which can be fixed to the housing of the lock according to the invention.
  • a clockwise or counterclockwise rotation of the driven wheel figure 4 would therefore lower the central transfer lever 6 and a counterclockwise rotation would raise it.
  • the two rotations in opposite directions taking place within the limits imposed by the stops 16 and 17. This defines the first and third stable stop positions.
  • the intermediate position is the second stable stop position.
  • the figure 5 shows the same view as the figure 4 but on the other side.
  • the figure 6 shows a bolt 10 having the shape of a fork delimiting a notch 20 adapted to receive a strike 19. There is also a pawl 9 capable of cooperating in abutment with a notch 101 or 102 of the bolt 10 so as to retain the bolt 10 in position d lock keep 19 in the notch 20.
  • a memory lever 11 able to pivot around its axis R4 (cf. fig. 1a ) between an angular position in which the memory lever comes into abutment contact with an active surface of the central transfer lever 6 to lock the latter in the position of movement of the pawl 9 in the retracted angular position, and an angular position erased relative to the stroke of the central transfer lever 6 to allow the pawl 9 to return to its angular locking position when the central transfer lever 6 returns to its initial position.
  • a pawl of the memory lever 12 adapted to pivot around its axis R5 ideally slightly offset relative to the axis of R1 between a position in which it maintains the memory lever 11 in its angular position of blocking of the central transfer lever 6 in the position of displacement of the pawl 9 in retracted angular position, and a position in which it allows a return of the memory lever 11 in its angular position erased with respect to the stroke of the central transfer lever 6.
  • the lock according to the invention also comprises a bolt feeler 13 able to pivot around the same axis R1 as the bolt 10.
  • the bolt feeler 13, and the bolt 10 are integral in rotation.
  • a notch 132 is provided inside the bolt feeler 13 in order to be able to allow a complete rotation of the bolt without interfering with the memory lever 11 in the erased position in the case of a mechanical opening of the lock 1.
  • the figure 8 illustrates the interface assembly A2 of the lock according to the invention (cf. also fig. 1a-1d ).
  • a central opening lever 7 which includes a contact protrusion 71 capable of being driven into abutment by the second protrusion 142 of the intermediate clutch / declutch lever 14 projecting through the third oblong light 153 ( fig. 7 ), so that the translational movement of the central transfer lever 6 is able to move the second protuberance 142 of the intermediate lever 14 between a position where said surface 142 is incapable of rotating the central opening lever 7 and a position where the rotation of the release lever 15 by said displacement means 21 ( fig. 1 C and 7 ) causes the central opening lever 7 to move by abutment contact with the contact projection 71 of the central opening lever 7.
  • This point is illustrated in more detail in figures 20a and 20b where we see the link clutch.
  • the 11s spring is optional. It can simply be envisaged that the barrier wall 62 has a ramp of complementary shape at the end of the first arm 111 and of such a nature as to cause a sliding towards the angular position erased with respect to the stroke of the central transfer lever 6.
  • FIGS 11 and 12 illustrate the kinematics of this motorized opening until the stop and blocking of the central transfer lever in the blocking position of the central transfer lever 6 in the position of movement of the pawl 9 in its retracted angular position.
  • the F + function is the electric opening.
  • the coach is shown on both sides as well as A1 and A2.
  • the arrows show the displacements generated.
  • the motor 1 actuates the driving toothed wheel 2 through an endless screw 3.
  • the driving toothed wheel 2 rotates the driven wheel 5 and therefore the crank pin 5b.
  • the latter causes, without any play, a translation of the central transfer lever 6.
  • the translation rotates the central opening lever 7 and transmits the movement to the radial projection 91 of the pawl 9 by reversing its direction.
  • crank pin 5c is first stopped on a stop 16 mounted in a stop means 18. After a determined time delay or given sensor information, the actuator, and therefore the motor, is powered in reverse.
  • the central transfer lever 6 cannot return to its initial high position because it is blocked by memory lever 11.
  • the crank pin 5a is also blocked by the absence of possibility of rotation of the driven wheel secured to the central transfer lever 6
  • the driving toothed wheel 2 continues to rotate, and will subsequently stop on the opposite side of the light where the crank pin 5a was at the start of the figure 11 .
  • the bolt can now pivot under the effect of its own return spring 10s or under the effect of the strike when the door is pulled. It can also remain in its door lock position if the seal reaction is negative, for example when the car is parked at a determined angle or if the door seals are frozen.
  • the pawl 12 of the memory lever 11 prevents the memory lever 11 from leaving the angular position of blocking of the central lever of transfer 6, and this, throughout the duration of rotation of the bolt 10 to the position of total release of the striker 19 (not shown).
  • the radial surfaces 121 and 131 belonging respectively to the pawl 12 of the memory lever 11 and to the bolt feeler 13 serve successively as a bearing surface at the end 112a of the memory lever 11 when the bolt 10 is rotated towards its angular position of door release 19.
  • the radius of the memory lever pawl 12 is greater than that of the bolt feeler 13.
  • the memory lever 11 is thus led to a rest position illustrated at the end of the kinematics of the figure 16 . This frees the translation of the central transfer lever 6 to its initial high position.
  • crankpin (5b) returns to its initial position by return to the cascade spring from the central opening lever 7.
  • the central opening lever 7 can also return to its initial position, during this stroke back from the central opening lever 7 the pawl returns to its angular position for retaining the bolt 10.
  • crank pin (5a) returns to the other end of the oblong slot in the form of an arc of a circle 41, which corresponds exactly to the starting point of the actuator described. This position is stabilized and it finds itself in the second stable intermediate stop position.
  • the central opening lever 7 is free to return to its angular position in which the pawl is able to cooperate in abutment with a notch 101 or 102 of the bolt 10. Due to the pawl spring 9s (not shown), pawl 9 is returned to the angular position for retaining the bolt 10. The angular position of the keeper is locked in place and the electric opening function is again available as well as another type F function - which will be described in the kinematics of Figures 18 and 19 .
  • the intermediate clutch / disengage lever 14 has been moved from a disengaged position to a clutch position (cf. fig 20 a 20b).
  • the axial projection 142 of the intermediate clutch / release lever 14 can now drive the central opening lever 7 by its contact projection 71.
  • a mechanical opening operation by pulling on a handle linked to the interface assembly A2 will have no mechanical effect on the central transfer lever 6.
  • the solution described in this example therefore comprises an electric opening (function F +) as well as a release lever 15 connected to a mechanical unlockable means of engagement (function F-). Note that this makes it possible to do without an inertial system. Indeed, an acceleration created by a shock will not generate an untimely opening by driving the handle.

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  • Lock And Its Accessories (AREA)
EP18151018.1A 2018-01-10 2018-01-10 Serrure a trois positions pour vehicule automobile Active EP3511496B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP18151018.1A EP3511496B1 (fr) 2018-01-10 2018-01-10 Serrure a trois positions pour vehicule automobile
CN201980012643.9A CN111699295B (zh) 2018-01-10 2019-01-10 用于机动车辆的三位置式闩锁
PCT/EP2019/050587 WO2019138013A1 (fr) 2018-01-10 2019-01-10 Serrure a trois positions pour vehicule automobile
JP2020538042A JP7294581B2 (ja) 2018-01-10 2019-01-10 自動車用３位置ラッチ
US16/926,218 US11572717B2 (en) 2018-01-10 2020-07-10 Motor vehicle lock with three positions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18151018.1A EP3511496B1 (fr) 2018-01-10 2018-01-10 Serrure a trois positions pour vehicule automobile

Publications (2)

Publication Number Publication Date
EP3511496A1 EP3511496A1 (fr) 2019-07-17
EP3511496B1 true EP3511496B1 (fr) 2020-07-08

Family

ID=60953784

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18151018.1A Active EP3511496B1 (fr) 2018-01-10 2018-01-10 Serrure a trois positions pour vehicule automobile

Country Status (5)

Country Link
US (1) US11572717B2 (ja)
EP (1) EP3511496B1 (ja)
JP (1) JP7294581B2 (ja)
CN (1) CN111699295B (ja)
WO (1) WO2019138013A1 (ja)

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Publication number Priority date Publication date Assignee Title
DE102018109898A1 (de) * 2018-04-25 2019-10-31 Kiekert Aktiengesellschaft Kraftfahrzeugschloss
CN110847702B (zh) * 2019-12-17 2023-12-26 深圳市派锁实业有限公司 一种门窗锁具
CN115012747A (zh) * 2021-03-05 2022-09-06 开开特股份公司 机动车锁
FR3122894A1 (fr) * 2021-05-14 2022-11-18 Inteva Products, Llc. Serrure de portière de véhicule

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JP2527357B2 (ja) * 1988-05-12 1996-08-21 三井金属鉱業株式会社 ロック装置のアクチュエ―タ機構
JP2832235B2 (ja) * 1993-03-23 1998-12-09 三井金属鉱業株式会社 トランク用扉のロック装置
FR2783551B1 (fr) 1998-09-21 2000-11-17 Valeo Securite Habitacle Serrure electrique perfectionnee pour portiere de vehicule automobile
IT1308430B1 (it) 1999-03-12 2001-12-17 Atoma Roltra Spa Serratura per una porta di un autoveicolo.
JP4233684B2 (ja) * 1999-06-08 2009-03-04 シロキ工業株式会社 ドアロック操作装置
FR2821108B1 (fr) * 2001-02-22 2003-08-15 Valeo Securite Habitacle Serrure d'ouvrant de vehicule automobile a maneton debrayable
JP4647251B2 (ja) * 2004-07-07 2011-03-09 三井金属アクト株式会社 自動車用ドアラッチの操作装置
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JP5327266B2 (ja) * 2011-04-08 2013-10-30 アイシン精機株式会社 アクチュエータ
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EP3034723B1 (fr) * 2014-12-18 2017-06-21 U-Shin France Serrure pour un ouvrant de véhicule automobile
CN205259746U (zh) * 2015-12-28 2016-05-25 上海恩坦华汽车门系统有限公司 一种汽车门锁的外保险信号机构
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Also Published As

Publication number Publication date
US11572717B2 (en) 2023-02-07
CN111699295B (zh) 2022-06-14
JP7294581B2 (ja) 2023-06-20
JP2021510400A (ja) 2021-04-22
EP3511496A1 (fr) 2019-07-17
US20200340277A1 (en) 2020-10-29
CN111699295A (zh) 2020-09-22
WO2019138013A1 (fr) 2019-07-18

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