EP3032011A1 - Schloss für Kraftfahrzeug - Google Patents

Schloss für Kraftfahrzeug Download PDF

Info

Publication number
EP3032011A1
EP3032011A1 EP14307021.7A EP14307021A EP3032011A1 EP 3032011 A1 EP3032011 A1 EP 3032011A1 EP 14307021 A EP14307021 A EP 14307021A EP 3032011 A1 EP3032011 A1 EP 3032011A1
Authority
EP
European Patent Office
Prior art keywords
opening
locking
lock
locking means
rest position
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.)
Withdrawn
Application number
EP14307021.7A
Other languages
English (en)
French (fr)
Inventor
François DEBROUCKE
Laurent Duriez
Cédric LAMIDON
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 EP14307021.7A priority Critical patent/EP3032011A1/de
Priority to PCT/EP2015/061893 priority patent/WO2015181319A1/fr
Priority to US15/313,396 priority patent/US10577837B2/en
Priority to CN201580023820.5A priority patent/CN106460414B/zh
Priority to EP15727606.4A priority patent/EP3149262B1/de
Publication of EP3032011A1 publication Critical patent/EP3032011A1/de
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B77/00—Vehicle locks characterised by special functions or purposes
    • E05B77/02—Vehicle locks characterised by special functions or purposes for accident situations
    • E05B77/04—Preventing unwanted lock actuation, e.g. unlatching, at the moment of collision
    • E05B77/06—Preventing unwanted lock actuation, e.g. unlatching, at the moment of collision by means of inertial forces

Definitions

  • the present invention relates to a lock for a motor vehicle.
  • the inertial force exerted on the opening can exert sufficient traction force on the control means and act on the opening lever to control the opening of the lock and thus the release of the door. 'opening.
  • Blocking by external obstacle is typically achieved by a system that intervenes by deformation of the door. If a deformation is greater than a threshold value, then there is an external obstacle to the lock that blocks the movement of the opening chain.
  • the locking instruction typically comes from deformation of the vehicle sheet.
  • the deformation of this sheet will come to position an obstacle belonging either to the lock or the sheet metal, opposite the opening lever outside.
  • the lever intervenes directly in the opening of the lock, the latter can not be done.
  • Such a locking system is advantageously independent of the geometry of the door, the movement of the handle, does not generate stress on the kinematic chain, does not require delicate adjustment and is independent of geometric constraints.
  • the lock of the invention comprises two types of opening lever: an intermediate opening lever and an external opening lever.
  • the external opening lever is connected via a cable, such as the Bowden cable, or a rod to the outer handle and the intermediate opening lever is connected to other kinematic elements of the motor vehicle located inside said vehicle, such as the inner handles.
  • FIG. 1 On this figure 1 is illustrated an example of side impact in a direction 3 substantially perpendicular to the main axis 4 of the motor vehicle 5.
  • the shock may be generated by any kind of element, here is shown a motor vehicle 6.
  • Such a shock acts on the handle in the direction of the opening of the latter in an oscillating movement comprising one or more phases in which the rod or the cable are pulled thereby causing the opening of the lock.
  • the opening lever 10 further comprises a drive means, such as a first protrusion or abutment 11c to allow the locking means 12 to move from the active position to the rest position when the opening lever 10 pivots towards the meaning of the opening of the opening 2.
  • a drive means such as a first protrusion or abutment 11c to allow the locking means 12 to move from the active position to the rest position when the opening lever 10 pivots towards the meaning of the opening of the opening 2.
  • the drive means is supported by the cam 11 in the form of at least one protrusion 11c which allows the passage, or even ejection, of the locking means 12 in the rest position.
  • the locking means 12 which is itself provided with an elastic tab 12a to ensure this passage.
  • the elastic tab 12a is typically in abutment against a fixed element 12b of the lock of the invention and intended to exert a restoring force on the locking means 12 when the latter is in the active locking position.
  • the elastic tab 12a has the shape of a substantially thin blade having deformation characteristics for exerting on the locking means 12 a restoring force towards the rest position. Said resilient tab 12 exerts a lower or even much lower force to the blocker spring.
  • the cam 11 may comprise more than two protuberances or a single protrusion allowing the return of the locking means from the locking position to the rest position.
  • the triggering means 16 and the blocking means 12 may be movable each in rotation or in translation.
  • the triggering means 16 is movable in translation, in particular along an axis substantially co-linear with the direction of the axes of the plane formed by the cam 11.
  • the locking means 12 is rotatable along an axis of rotation substantially collinear with the axis of rotation of the cam 11.
  • the triggering means 16 is thus configured so as to block any movement of the locking means 12.
  • the triggering means 16 may comprise a holding protrusion 18 coming into direct abutment substantially in or on a complementary notch 20 present in the means This geometry makes it possible to dispense with the manufacturing sets of the locking means and the triggering means.
  • the resilient locking spring means 14 exert a permanent torque on the holding protrusion 18 which tends to raise the locking means 12 towards the locking position .
  • the trigger means can be embodied as a single piece or a multitude of pieces.
  • the triggering means 16 is associated with an unlocking spring means of its own, such as a compression spring 24, which allows a translational movement of said trigger means 16.
  • the return means release elastic 24 associated with the triggering means 16 is fixed on a fixed part of the lock 1 of the invention.
  • the assembly formed by the triggering means 16 and the associated spring return means 24 are arranged to move following the resultant inertial force of the side impact suffered by the lock 1 of the invention.
  • the blocking means 12 may also have a ramp 34 formed on the abutment 32 so as to allow the end 28 to be placed in position under the abutment 32.
  • the lever may also include a stop 13 which allows the compression and position the end 28 when the locking means has been brought to the rest position.
  • the locking means 12 moves from the active locking position to the rest position, under the effect of its own weight or assisted by the torque generated by the flexible tab 12a.
  • the stop 11c of the opening lever 10 makes it possible to finalize the return of the locking means 12 in the rest position and the reset via the triggering means, while allowing the spring to be placed under the face 28. Thanks to the part 11d of the 11, the elastic return means 14 is placed under the ramp 34 of the blocking means 12. The return of the blocking means 12 from the blocking position to the rest position is accompanied by the powering up of the return means. resilient elastic 14 through the abutment 13.
  • the locking means 12 may comprise at least one elastic arm 39 configured to change the length of the locking means 12.
  • Said elongation of the locking means 12 allows to release the means of resilient spring return 14 relative to the stop 32.
  • the resilient locking spring means 14 then no longer exerts torque on the blocking means 12.
  • Said elongation of the elastic arm or arms 39 can be achieved when the blocking means 12 passes from the active blocking position to the rest position, in particular when said blocking means undergoes a large pull of the opening lever. 10 greater than a normal pull of door opening by a user.
  • the blocking means 12 may be made of a flexible material, such as an acetal resin, to allow deformation and elongation.
  • the trigger will be realized in the material that will achieve the desired mass for the inertial release.
  • the locking means 12 and the triggering means 16 are both in the rest position. In this position, the rod or the cable 7 can rotate the cam 11 and allow the opening of the lock 1 of the invention without hindrance on the part of the locking means 12.
  • the elastic return means 14 holds the locking means 12 in abutment against said triggering means 16.
  • the opening lever 10 can also be subjected to acceleration and start a rotation under the influence of a pulling of the Bowden cable 40 and opening the opening 2, but the latter is stopped by the locking means 12 as soon as the latter is in the blocking position.
  • the portion 15 of the locking means 12 hooks into the abutment 11c through the movement of the cam 11 in the opening direction of the opening.
  • the locking means 12 can lengthen under the pull of the opening lever 10, until reaching a stop 100 belonging to the fixed part of the lock of the invention.
  • the triggering means 16 is maintained in the locking position on the cam 11 by means of spring return 24. This ensures permanent locking regardless of the number of successive shocks to the lock .
  • the locking means 12 As shown on the figure 6e , as soon as the lever 10 pivots in the opposite direction to the opening direction of the opening 2, the locking means 12 is no longer in the stretching position because the arms 39 return to their rest position. The locking means 12 is available to return to the rest position and starts to return to the rest position via the waiting protrusion 11a.
  • the lock of the invention comprises a phase in which the triggering element is triggered which releases the locking element under the impulse of an inertial effort, a blocking principle, which prevents the opening by locking of the opening lever, a principle of restoring to the rest position and a moving principle to prevent seizure.

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  • Lock And Its Accessories (AREA)
EP14307021.7A 2014-05-28 2014-12-12 Schloss für Kraftfahrzeug Withdrawn EP3032011A1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP14307021.7A EP3032011A1 (de) 2014-12-12 2014-12-12 Schloss für Kraftfahrzeug
PCT/EP2015/061893 WO2015181319A1 (fr) 2014-05-28 2015-05-28 Serrure pour véhicule automobile
US15/313,396 US10577837B2 (en) 2014-05-28 2015-05-28 Lock for a motor vehicle
CN201580023820.5A CN106460414B (zh) 2014-05-28 2015-05-28 用于机动车的锁
EP15727606.4A EP3149262B1 (de) 2014-05-28 2015-05-28 Schloss für kraftfahrzeug

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14307021.7A EP3032011A1 (de) 2014-12-12 2014-12-12 Schloss für Kraftfahrzeug

Publications (1)

Publication Number Publication Date
EP3032011A1 true EP3032011A1 (de) 2016-06-15

Family

ID=52278484

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14307021.7A Withdrawn EP3032011A1 (de) 2014-05-28 2014-12-12 Schloss für Kraftfahrzeug

Country Status (1)

Country Link
EP (1) EP3032011A1 (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19511651A1 (de) * 1994-04-15 1995-10-19 Volkswagen Ag Schließsystem für eine Fahrzeugtür mit einer durch Massenträgheit wirkenden Einrichtung
EP1371799A2 (de) * 2002-06-13 2003-12-17 Ford Global Technologies, LLC Verriegelungsvorrichtung für eine Fahrzeugtür
DE102011010815A1 (de) * 2011-02-09 2012-08-09 Kiekert Ag Kraftfahrzeugtürverschluss
US20140291997A1 (en) * 2013-03-27 2014-10-02 Kiekert Ag Lock for a motor vehicle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19511651A1 (de) * 1994-04-15 1995-10-19 Volkswagen Ag Schließsystem für eine Fahrzeugtür mit einer durch Massenträgheit wirkenden Einrichtung
EP1371799A2 (de) * 2002-06-13 2003-12-17 Ford Global Technologies, LLC Verriegelungsvorrichtung für eine Fahrzeugtür
DE102011010815A1 (de) * 2011-02-09 2012-08-09 Kiekert Ag Kraftfahrzeugtürverschluss
US20140291997A1 (en) * 2013-03-27 2014-10-02 Kiekert Ag Lock for a motor vehicle

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