EP2115247B1 - Fortschrittliches elektrisches schloss zum öffnen eines kraftfahrzeugs - Google Patents

Fortschrittliches elektrisches schloss zum öffnen eines kraftfahrzeugs Download PDF

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Publication number
EP2115247B1
EP2115247B1 EP08708360.6A EP08708360A EP2115247B1 EP 2115247 B1 EP2115247 B1 EP 2115247B1 EP 08708360 A EP08708360 A EP 08708360A EP 2115247 B1 EP2115247 B1 EP 2115247B1
Authority
EP
European Patent Office
Prior art keywords
retaining member
driver
bolt
pawl
latch
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
EP08708360.6A
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English (en)
French (fr)
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EP2115247A1 (de
Inventor
Laurent Duriez
Yves Duboilles
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
Publication of EP2115247A1 publication Critical patent/EP2115247A1/de
Application granted granted Critical
Publication of EP2115247B1 publication Critical patent/EP2115247B1/de
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
    • 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
    • E05B85/26—Cooperation between bolts and detents
    • 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
    • E05B15/04—Spring arrangements in locks
    • E05B2015/0493—Overcenter springs
    • 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
    • E05B81/15—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on bolt detents, e.g. for unlatching the bolt with means preventing the detent to return to its latching position before the bolt has moved to the unlatched position

Definitions

  • the present invention relates to an improved electric lock for an opening of a motor vehicle, in particular for a door, a tailgate, a tailgate bezel or the trunk of a motor vehicle.
  • Conventional electric locks comprise a pivoting bolt intended to cooperate with a strike and a pivoting pawl between an open position and a closed position of the lock.
  • the pawl holds the bolt to prevent rotation of the bolt in the closed position of the lock.
  • the pawl that holds the bolt is driven by an electric actuator so as to release the bolt.
  • the bolt can pivot to release the striker.
  • the electric actuator is no longer engaged with the pawl, it is pushed by a spring towards the bolt.
  • the pivoting of the bolt is generally caused by the reaction force of the elastic seal which is interposed between the door and the door pillar of the vehicle. It may happen that the bolt does not rotate, while it is no longer retained by the ratchet. This case can occur in particular on a tailgate of the vehicle trunk, when a layer of snow was deposited on the tailgate, the weight of the snow layer to compensate for the reaction force of the door seal.
  • the reaction force of the seal required for the opening of the opening may depend on the temperature of the external environment.
  • the cold temperatures stiffen the joint so that the reaction force is no longer sufficient to generate the rotation of the bolt.
  • the wear of the reaction joint can decrease the reaction force available to a level insufficient to generate the rotation of the bolt.
  • the ratchet can fly and cling inadvertently by means of blocking. The pawl is then locked away from the bolt, preventing the lock from closing.
  • a flight of pawl due to a shock on the moving vehicle for example can also cause the attachment of the pawl by means of blocking.
  • the pawl is then also locked away from the bolt leading to the unwanted opening of the lock.
  • the present invention aims to remedy this problem by proposing an improved electric lock which allows in particular to reliably ensure each of the two open and closed positions of the lock, even in case of inadvertent movement of the pawl.
  • the invention provides an electric lock according to claim 1.
  • This electric lock represents an alternative construction of the lock known from the intermediate document EP 1 862 618 A .
  • a lock of the state of the art is also known from the document DE100 43 574A .
  • the figure 1 represents various elements of an electric lock according to the invention for an opening of a motor vehicle, in particular for a door, a tailgate, a tailgate bezel or the trunk of a motor vehicle.
  • the electric lock comprises a pivoting bolt 3 intended to cooperate with a striker (not shown). In the closed position of the lock, the bolt 3 is locked in rotation by a pivoting pawl 5, preventing the rotation of the bolt 3.
  • the pawl 5 is pivotally integral with a driver 7 whose pivoting is driven by an actuator 8 of opening of the lock.
  • the lock further comprises a retaining member 9 adapted to retain the driver-ratchet assembly 7, 5 in a position spaced from the bolt 3 in the open position of the lock allowing rotation of the bolt 3.
  • the bolt 3 has a fork shape delimiting a housing 11 for receiving the striker which cooperates with the lock.
  • the bolt 3 is pivotable about an axis 13.
  • the edge of the bolt 3 also has two notches 15 and 17 one of which is formed on one of the two ends of the fork of the bolt 3.
  • the two notches 15 and 17 are intended to cooperate with the pawl 5 to define a lock to two closed positions. It is also possible that the bolt 3 has only one notch.
  • the pawl 5 has a spout-shaped end 5a capable of cooperating with the notches 15 and 17 of the bolt 3.
  • the pawl 5 is subjected to an elastic restoring force, which urges it towards the bolt 3 as indicated by the arrow 18.
  • the pawl 5 is integral in rotation with the driver 7 and is able to pivot with it around an axis 19 between an open position (see Figures 6 to 9 ) and a closed position of the lock (see figure 2 ).
  • the driver 7 has a general shape of boot with a recess 21 located between the sole portion 7a and the heel portion 7b, to cooperate with the actuator 8.
  • the recess 21 is dimensioned to receive crank pins (not visible in the figure) of a control wheel 23 driven by a pinion 25 which meshes with a worm 27 carried by the output shaft of a electric motor 29.
  • the driver 7 is therefore susceptible to a pivoting movement about said axis 19.
  • the pawl 5 pivots in the counterclockwise direction to allow the escape of the spout 5a of the notch 15 ( figure 6 ).
  • a locking of the driver 7 at the end of pivoting is performed by the retaining member 9.
  • the retaining member 9 is subjected to a bistable elastic return, so as to be biased towards one or the other of two stable positions in which the retaining member is biased toward either an active stable position retaining the driver-ratchet assembly 7, 5 to ensure the retention of said pawl 5 in the spaced apart position of the bolt 3, or to a stable rest position in which the retaining member 9 is held back from the coach assembly -cliquet 7, 5 preventing a cooperation between the retaining member 9 and the driver-ratchet assembly 7, 5.
  • the retaining member 9 has a general form of lever with two arms 41, 43 preferably forming an angle approximately 130 ° and articulated each on a common axis 45 connected to the lock housing.
  • the first arm 41 is an engagement arm adapted to retain the driver-ratchet assembly 7, 5 and the second arm 43 is a disengagement arm.
  • the engagement arm 41 holds the driver-ratchet assembly 7, 5 against the resilient bias of the driver-ratchet assembly 7, 5 towards the bolt 3 so that a rotational movement of the assembly ratchet driver 7, 5 is no longer possible clockwise, which allows the bolt 3 to rotate freely.
  • the retaining member 9 may be trapped with the driver-ratchet assembly 7, 5.
  • the driver 7 is furthermore provided with a catching tooth 7c capable of cooperating with a conjugate hook 9a carried by the retainer 9.
  • the attachment tooth 7c is preferably made in one piece with the driver 7.
  • a bistable helical spring 50 distinct from the return spring of the driver 7, is provided between the lock housing (not shown) and the retaining member 9 to form the bistable elastic return of the retaining member 9.
  • a first end 51 of the bistable coil spring 50 is attached to the engagement arm 41 and a second end 53 is held in position.
  • the second end 53 can be fixed on the lock housing for example.
  • bistable elastic return of the retaining member 9 only two positions of the retaining member 9 are stable thus clearly defining a stable rest position and an active stable position of the retaining member 9. All other positions are unstable positions in which the retaining member 9 will be biased by the bistable elastic return to switch to one or other of the two stable positions.
  • the lock In the active stable position, the lock is being opened or in the open position and the retaining member 9 is biased towards an active stable position for retaining the driver-ratchet assembly 7, 5 to ensure the retention of said pawl 5 in the spaced apart position of the bolt 3, which allows the bolt 3 to rotate freely.
  • the pawl 5 remains in its remote position, despite the elastic return force of the spring exerted on the pawl 5, by keeping away from the driver-ratchet assembly 7, 5 by the retaining member 9.
  • the bistable elastic return bias the retaining member 9 in a remote position thus preventing a cooperation between the retaining member 9 and the driver-ratchet assembly 7, 5. More specifically, the body retaining 9 is biased into a remote position preventing a cooperation between the hook 9a of the retaining member 9 and the attachment tooth 7c of the driver 7.
  • the position of the retaining member 9 is sufficiently distant from the driver-ratchet assembly 7, 5 to prevent, when inadvertent movements of the driver-ratchet assembly 7, 5 occur, as for example in the case of violent shock such as a door slam, the coach 7 is retained by the retaining member 9.
  • a tilting means In order to tilt the retaining member 9 automatically between its two stable positions, there is provided a tilting means and a means for disengaging the retaining member 9.
  • the tilting means comprises two diametrically opposite pins 66 and 68 and carried by the visible face of the control wheel 23 of the actuator 8. It is also possible to provide a single crankpin.
  • the pins 66, 68 are able to cooperate with a first active face 9b of the retaining member 9 to tilt the retaining member 9 from the rest position to the active position.
  • crank pins 66, 68 are carried by the same control wheel 23 which already includes the crank pins driving the driver-ratchet assembly 7, 5 to the open position of the lock.
  • pins 66, 68 are passing through, so that two ends carried by a first face of the control wheel 23 act as tilting means and that the other two ends passing through the control wheel 23 are able to cooperate with the driver 7 to drive the trainer-ratchet assembly 7, 5 to the open position of the lock.
  • the driver 7 further comprises a guiding wall 7d forming a stop for the bistable elastic spring 50 for the return of the retaining member. 9 in the active stable position.
  • the guide wall 7d is able to guide the retaining member 9 into the active position for retaining the driver-ratchet assembly 7, 5.
  • the guide wall 7d is extended by the attachment tooth 7c carried by the driver 7.
  • the lock comprises a disengaging means adapted to cooperate with a second active face 9c of the retaining member 9 to disengage the retaining member 9 from the active position, when the bolt 3 rotates towards its position d opening of the lock, to return the retaining member 9 in its rest position.
  • the disengaging means comprises a cam 70, carried by a flat face projecting from the edge of the bolt 3 and adapted to cooperate with the second active face 9c of the retaining member 9 formed by the end of the disengagement arm. 43, as illustrated in figures 7 , 8 and 9 .
  • the axial projection to the bolt 3 forming the cam 70 allows the retaining member to be adapted to come into contact with the bolt 3 whose general transverse plane is located axially recessed at the plane comprising the active face 9c of the organ restraint.
  • the cam 70 has a ramp shape so that when the bolt 3 rotates, the face 9c of the disengagement arm 43 slides on the edge 70 of the bolt 3 to disengage the retaining member 9 from its active position. blocking.
  • the figure 3 is different from the figure 2 by the position of the pin 66 on the control wheel 23.
  • the control wheel 23 is rotated in the direction of the arrow 30, by the pinion 25 and the crankpin 66 abuts on the first active face 9b of the retaining member 9 to pivot the retaining member 9 ( figure 3 ).
  • the retaining member 9 starts to pivot in the direction represented by the arrow 74, which makes it possible to tilt the retaining member 9 against the bistable elastic biasing from the rest position to the active retaining position. .
  • control wheel 23 still rotated in the direction of the arrow 30 makes the other end of the crankpin 66 (not visible in the figure) engage in the recess 21 of the driver 7 (FIG. figure 4 ).
  • the pawl 5 then pivots in the counter-clockwise direction according to the arrow 31 while the retaining member 9 has tilted to a stable position ( figure 5 ) and is biased by the bistable elastic return to the active retaining position.
  • the end of the hook 9a abuts on the guide wall 7d carried by the driver 7 and thus slides on the guide wall 7d until it hooks on the attachment tooth 7c.
  • the pawl 5 has pivoted to allow the escape of the spout 5a of the notch 15.
  • the hook 9a of the retaining member 9 has hooked to the hooking tooth 7c of the driver 7 to retain the driver-ratchet assembly 7, 5 away from the bolt 3.
  • the retaining member 9 is thus in its active stable position of restraint.
  • the bolt 3 is no longer retained by the pawl 5 and can rotate to release the striker.
  • the bistable resilient biasing biasing the retaining member 9 in a remote position preventing a cooperation between the retaining member 9 and the driver-ratchet assembly 7, 5 ensures the possible opening and closing the lock, including during accidental movements of the ratchet trainer assembly 7, 5.
  • the tilting and disengaging means of the retaining member 9 provided in the lock contribute to automatically tilting the retaining member 9 towards one or the other of its two stable positions.

Landscapes

  • Lock And Its Accessories (AREA)

Claims (10)

  1. Elektrisches Schloss für eine Kraftfahrzeugtür, wobei das Schloss umfasst:
    - einen Schwenkriegel (3), der dazu bestimmt ist, mit einem Schließblech zusammenzuwirken,
    - eine Klinke (5), die zwischen einer offenen Stellung und einer geschlossenen Stellung des Schlosses schwenkt, wobei die Klinke (5) einer elastischen Rückstellung unterliegt, die sie in Richtung des Riegels (3) vorspannt, und in der Lage ist, mit dem Riegel (3) zusammenzuwirken, um eine Drehung des Riegels (3) in Schließstellung des Schlosses zu verhindern,
    - einen Mitnehmer (7), der schwenkfest mit der Klinke (5) verbunden ist,
    - ein Rückhalteglied (9), das in der Lage ist, in offener Stellung des Schlosses die Mitnehmer/Klinke- (7, 5) Gruppe in einer vom Riegel (3) beabstandeten Stellung zurückzuhalten, die die Drehung des Riegels (3) ermöglicht, wobei das Rückhalteglied (9) einer bistabilen elastischen Rückstellung unterliegt, derart, dass es von dieser entweder in Richtung einer stabilen aktiven Rückhaltestellung der Mitnehmer/Klinke- (7, 5) Gruppe vorgespannt wird, um die Rückhaltung der Klinke (5) in vom Riegel (3) beabstandeter Stellung sicherzustellen, oder in Richtung einer stabilen Ruhestellung, in der das Rückhalteglied (9) von der Mitnehmer/Klinke- (7, 5) Gruppe zurückgezogen gehalten wird, wobei ein Zusammenwirken zwischen dem Rückhalteglied (9) und der Mitnehmer/Klinke- (7, 5) Gruppe verhindert wird,
    - einen Aktor (8) zum Öffnen des Schlosses,
    - ein Kippmittel, das in der Lage ist, mit einer ersten aktiven Fläche (9b) des Rückhalteglieds (9) zusammenzuwirken, um das Rückhalteglied (9) von der stabilen Ruhestellung in die stabile aktive Stellung kippen zu lassen,
    dadurch gekennzeichnet, dass das Kippmittel mindestens einen Zapfen (66, 68) umfasst, der von einem Schaltrad (23) des Aktors (8) getragen wird, wobei der Zapfen (66, 68) in der Lage ist, mit der ersten aktiven Fläche (9b) des Rückhalteglieds (9) zusammenzuwirken, dadurch, dass die bistabile elastische Rückstellung eine bistabile Schraubenfeder (50) umfasst, von der ein erstes Ende (51) am Rückhalteglied (9) befestigt ist und von der das zweite Ende (53) in Stellung gehalten wird,
    dadurch, dass das Rückhalteglied (9) eine allgemeine Hebelform mit zwei Armen (41, 43) aufweist, die jeder gelenkig an einer gemeinsamen Achse (45) angebracht sind,
    und dadurch, dass der Zapfen (66, 68) durchgehend ist und dass das durchgehende Ende in der Lage ist, mit dem Mitnehmer (7) zusammenzuwirken, um die Mitnehmer/Klinke- (7, 5) Gruppe in Richtung der offenen Stellung des Schlosses mitzunehmen.
  2. Schloss nach Anspruch 1, dadurch gekennzeichnet, dass die erste aktive Fläche (9b), die mit dem Kippmittel zusammenwirken kann, von einem Eingriffsarm (41) des Hebels getragen wird, der in der Lage ist, die Mitnehmer/Klinke- (7, 5) Gruppe zurückzuhalten.
  3. Schloss nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Schloss weiter ein Freigabemittel umfasst, das in der Lage ist, mit einer zweiten aktiven Fläche (9c) des Rückhalteglieds (9) zusammenzuwirken, um das Rückhalteglied (9) aus der stabilen aktiven Stellung freizugeben.
  4. Schloss nach Anspruch 3, dadurch gekennzeichnet, dass das Freigabemittel eine von dem Riegel (3) getragene Nocke (70) umfasst, die in der Lage ist, mit der zweiten aktiven Fläche (9c) des Rückhalteglieds (9) zusammenzuwirken.
  5. Schloss nach Anspruch 4, dadurch gekennzeichnet, dass die Nocke (70) eine allgemeine Rampenform besitzt.
  6. Schloss nach einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, dass die zweite aktive Fläche (9c), die mit dem Freigabemittel zusammenwirken kann, von einem Freigabearm (43) des Hebels getragen wird.
  7. Schloss nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das erste Ende (51) am Eingriffsarm (41) befestigt ist.
  8. Schloss nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Mitnehmer (7) weiter eine Führungswand (7d) umfasst, die in der Lage ist, das Rückhalteglied (9) in Richtung seiner stabilen aktiven Rückhaltestellung der Mitnehmer/Klinke- (7, 5) Gruppe zu führen.
  9. Schloss nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Mitnehmer (7) weiter einen Einhängezahn (7c) umfasst, der in der Lage ist, mit einem zugehörigen Haken (9a), der von dem Rückhalteglied (9) getragen wird, zusammenzuwirken.
  10. Schloss nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass der Einhängezahn (7c) einstückig mit dem Mitnehmer (7) ausgeführt ist.
EP08708360.6A 2007-01-30 2008-01-29 Fortschrittliches elektrisches schloss zum öffnen eines kraftfahrzeugs Active EP2115247B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0700630A FR2911897B1 (fr) 2007-01-30 2007-01-30 Serrure electrique perfectionnee pour ouvrant de vehicule automobile
PCT/EP2008/051043 WO2008095831A1 (fr) 2007-01-30 2008-01-29 Serrure électrique perfectionnée pour ouvrant de véhicule automobile

Publications (2)

Publication Number Publication Date
EP2115247A1 EP2115247A1 (de) 2009-11-11
EP2115247B1 true EP2115247B1 (de) 2018-03-14

Family

ID=38510329

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08708360.6A Active EP2115247B1 (de) 2007-01-30 2008-01-29 Fortschrittliches elektrisches schloss zum öffnen eines kraftfahrzeugs

Country Status (6)

Country Link
EP (1) EP2115247B1 (de)
CN (2) CN101622412A (de)
BR (1) BRPI0806998B1 (de)
FR (1) FR2911897B1 (de)
MX (1) MX2009008056A (de)
WO (1) WO2008095831A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI840279B (zh) * 2023-07-25 2024-04-21 精工電機股份有限公司 電驅動主開關鎖

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4953485B2 (ja) * 2010-02-15 2012-06-13 三井金属アクト株式会社 車両用ドアラッチ装置
US8562035B2 (en) * 2010-11-15 2013-10-22 Rockwell Automation Technologies, Inc. Self-aligning safety lock
US10415275B2 (en) * 2016-04-15 2019-09-17 Hyundai Motor Company Trunk latch module for vehicle
KR101795252B1 (ko) * 2016-05-11 2017-11-08 현대자동차주식회사 차량용 트렁크 래치 모듈
DE102018109477A1 (de) * 2018-04-20 2019-10-24 Kiekert Ag Kraftfahrzeug-Antriebsanordnung

Citations (1)

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Publication number Priority date Publication date Assignee Title
EP1862618A1 (de) * 2006-03-14 2007-12-05 Kiekert Aktiengesellschaft Kraftfahrzeugtürverschluss

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Publication number Priority date Publication date Assignee Title
FR2782111B1 (fr) * 1998-08-05 2002-12-06 Valeo Securite Habitacle Serrure electrique perfectionnee pour ouvrant de vehicule automobile
DE10043574A1 (de) * 2000-05-19 2001-11-22 Witte Velbert Gmbh & Co Kg Antriebsanordnung für insbesondere ein nockengesteuertes Drehfallenschloß
DE20016106U1 (de) * 2000-09-16 2000-12-28 Kiekert Ag Kraftfahrzeugtürverschluß
JP2003113687A (ja) * 2001-10-03 2003-04-18 Honda Lock Mfg Co Ltd 車両用ドアロック装置
FR2871831B1 (fr) * 2004-06-18 2006-09-08 Arvinmeritor Light Vehicle Sys Serrure a ouverture electrique
DE102004033735B4 (de) * 2004-07-13 2006-07-27 Huf Hülsbeck & Fürst Gmbh & Co. Kg Vorrichtung zur Betätigung von Schlössern an Türen oder Klappen von Fahrzeugen

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
EP1862618A1 (de) * 2006-03-14 2007-12-05 Kiekert Aktiengesellschaft Kraftfahrzeugtürverschluss

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI840279B (zh) * 2023-07-25 2024-04-21 精工電機股份有限公司 電驅動主開關鎖

Also Published As

Publication number Publication date
EP2115247A1 (de) 2009-11-11
WO2008095831A1 (fr) 2008-08-14
BRPI0806998B1 (pt) 2019-01-15
MX2009008056A (es) 2009-08-07
CN103953230B (zh) 2017-04-12
CN103953230A (zh) 2014-07-30
BRPI0806998A2 (pt) 2014-12-30
FR2911897B1 (fr) 2012-10-12
CN101622412A (zh) 2010-01-06
FR2911897A1 (fr) 2008-08-01

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