WO2017036452A1 - Serrure de porte de véhicule automobile - Google Patents

Serrure de porte de véhicule automobile Download PDF

Info

Publication number
WO2017036452A1
WO2017036452A1 PCT/DE2016/100379 DE2016100379W WO2017036452A1 WO 2017036452 A1 WO2017036452 A1 WO 2017036452A1 DE 2016100379 W DE2016100379 W DE 2016100379W WO 2017036452 A1 WO2017036452 A1 WO 2017036452A1
Authority
WO
WIPO (PCT)
Prior art keywords
lever
inertia
motor vehicle
vehicle door
door lock
Prior art date
Application number
PCT/DE2016/100379
Other languages
German (de)
English (en)
Inventor
Dirk Eichel
Carsten Fuchs
Peter Szegeny
Original Assignee
Kiekert Ag
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 Kiekert Ag filed Critical Kiekert Ag
Publication of WO2017036452A1 publication Critical patent/WO2017036452A1/fr

Links

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 invention relates to a motor vehicle door lock.
  • a motor vehicle door lock has a locking mechanism, an actuating lever, a triggering lever and a mass inertia lever, wherein the triggering lever can be actuated by means of the actuating lever and the locking mechanism can be unlocked by means of the triggering lever and unlocking can be prevented by means of the inertia lever, wherein by means of the inertia lever Mass inertia lever movement of the actuating lever is blocked.
  • Such a motor vehicle door lock is usually used to close doors, flaps or hoods in a motor vehicle.
  • it is important to ensure that opening the doors of the motor vehicle is prevented in a sudden high acceleration force caused by an accident or crash.
  • the unpublished DE 10 2015 001 906 discloses an actuating device for a motor vehicle lock with a locking mechanism.
  • a release lever is intended to open the locking mechanism by pivoting it by means of an actuating lever.
  • An opening of the lock is thus caused such that the actuating lever is actuated via a handle and / or a linkage and thereby causes the trigger lever to pivot, which opens the locking mechanism.
  • a clutch lever is provided, which couples the operating lever to the release lever in the case when the acceleration of the actuating lever is sufficiently low.
  • An opening movement of the release lever is thus only caused when the operating lever is coupled to the release lever.
  • the engagement is controlled by a moment of inertia lever.
  • the inertia lever should be spring preloaded.
  • the inertia lever moves out of its normal position and is pivoted by the spring bias.
  • the inertia lever initiates the pivoting of the clutch lever so that the clutch lever is coupled to the release lever.
  • the inertia lever remains in its normal position and a pivoting of the clutch lever remains off. This prevents unscheduled opening of the locking mechanism.
  • Such an actuating device thus has an opening process for opening the locking mechanism consisting of several steps which initiate each other.
  • the object of the invention to provide an improved motor vehicle door lock.
  • the object is achieved according to the invention by the features of independent patent claim 1.
  • Advantageous embodiments of the invention are specified in the subclaims. It should be noted that the embodiments described below are not restrictive, but rather any variation possibilities of the features described in the description and the subclaims are possible.
  • the object of the invention is achieved in that by means of the inertia lever movement of the actuating lever can be blocked.
  • the inventive design of a motor vehicle door lock now the possibility is created to block the transmission of the movement of the actuating lever to the trigger lever at excessively fast acceleration directly by means of the inertia lever.
  • the inertia lever acts blocking due to its moment of inertia at an excessively high acceleration.
  • a motor vehicle door closure is provided which functions independently of an additional coupling element.
  • the function of the coupling unit namely the opening or blocking of the locking mechanism, is initiated directly by means of the inertia lever and transmitted to the actuating lever.
  • a secure blocking of the actuating lever is ensured in the event of sudden acceleration. In this way, a simple and functional design is also realized that prevents malfunction and the vehicle door lock is reduced in mass.
  • the inertia lever mentioned in the invention can lag behind due to its mass of movement of the actuating lever and on the other hand, at excessively high speed of movement of the actuating remain almost in its original position.
  • the inertia of the mass of the inertia lever is utilized to prevent unwanted movement.
  • a high speed of movement can be caused for example by an accident.
  • An actuating lever is used to transmit a manual operation of a door handle.
  • the door handle can be operated both inside and outside.
  • the manual application of force can be transmitted indirectly via a connection from the door handle to the actuating lever.
  • the connection can be designed, in particular, in the form of a cable, for example in the form of a Bowden cable. It is initiated on the manual force on the door handle thus a movement of the operating lever.
  • the movement of the actuating lever can in turn act on the release lever, so that the release lever causes an opening of a locking mechanism.
  • the opening of the locking mechanism can result in elements of the locking mechanism interacting so as to initiate an opening of the door.
  • the mass inertia lever cooperates with the actuating lever in a blocked state such that a pivoting movement of the actuating lever can be prevented.
  • Blocking the pivotal movement of the actuating lever allows a secure inhibiting the transmission of movement to the release lever.
  • the transmission of a manual actuating force on the release lever is thus realized by pivoting the actuating lever in particular about its axis.
  • the pivoting movement is a space-saving mechanism, since advantageously a coupling element is dispensed with. At the same time the movement of the actuating lever about its axis is easy and safe to implement.
  • a further advantageous embodiment results when the inertia lever is pivotally mounted in the motor vehicle door lock and has a first extension and a second extension, wherein the extensions extend in different directions, starting from a common pivot axis.
  • the first and second extensions preferably have an equilibrium point within the common pivot axis.
  • a transmission of a moment of inertia is optimized.
  • the extensions in different directions make it possible for the inertia lever to slow down or swivel in response to a movement of the actuating lever, or the inertia lever to remain almost in its initial position in the event of an excessively rapid movement of the actuating lever.
  • the extensions may extend substantially diametrically and starting from the pivot axis in the motor vehicle door latch and the opposing extensions are in particular at an angle of 0 ° to 30 °, preferably at an angle of 10 ° to 20 ° and more preferably at an angle of 3 ° to 7 ° inclined to each other.
  • a slope of the second extension can be lowered or rising and run a slope of the first extension also lowering or rising.
  • each end of the extensions has a web.
  • An arrangement of a web at a respective end of the extensions offers an advantageous balance of the mass inertia lever so that the inertia lever, starting from the common pivot axis, is advantageously balanced and can thus transmit a mass moment of inertia.
  • the center of gravity of the inertia lever thus lies in its pivot axis, as a result of which translational accelerations have no effects on the mass inertia lever.
  • the webs are arranged at a designated distance from the axis of rotation, a mass inertia lever is realized with a relatively large rotational inertia and a relatively small weight.
  • a first bridge extends evenly in opposite directions from the first extension. And a second bridge extends away from the second extension in one direction.
  • the inertia lever is configured in such a way that allows the mass inertia lever a uniform mass distribution from the pivot axis. Due to the uniform mass distribution, inertia of the inertia lever is realized. Due to the selected geometry of the inertia lever its inertia is maximized.
  • the inertia lever is spring-biased by a common spring between the inertia lever and the actuating lever on the actuating lever.
  • the inertia lever hurries after a pivoting of the operating lever the operating lever with a time lag. Due to the inertia of the inertia lever, a swinging out or movement of the inertia lever is delayed, at least at excessively high acceleration, in comparison to the crash-accelerated movement of the actuating lever.
  • the inertia lever therefore needs due to its inertia and the spring that drives it, a certain time to follow the operating lever. This opens a designated time window.
  • the inertia lever In the event of a crash acceleration, the inertia lever only manages to lag behind the operating lever with a great deal of time delay.
  • the inertia-related delay of the lag of the inertia lever to the actuating lever allows blocking of the actuating lever.
  • One skilled in the art would select the mass and / or density of the inertia lever according to the material requirements of the inertia lever and the associated crash related forces.
  • a plastic is selected for the material of the inertia lever.
  • the second web of the inertia lever has a guide contour, so that the inertia lever can be guided by means of the actuating lever at least along its guide contour.
  • the guide contour in a region which allows a sliding or guiding by means of the actuating lever alone to realize the torque M about the pivot axis of the inertia lever.
  • the distance r to be selected depends both on the torque M and on the force F which is transmitted by the actuating lever.
  • the actuating lever has a contour, in particular a contour in the form of a second arm and the mass. inertia lever has a blocking contour, wherein the blocking contour can be brought into engagement with the contour of the actuating lever.
  • the contour of the actuating lever and the blocking contour of the inertia lever meet and thus ensure a secure interaction or impact of the two contours.
  • the operating lever can not swing out when the contour of the operating lever is in contact with the blocking contour of the inertia lever. The operating lever is thus blocked. It prevents unintentional pivoting of the inertia lever in the event of a crash. The absence of further movement of the inertia lever also prevents movement of the actuating lever, so that activation of the locking mechanism for opening is omitted. It is realized such a mass inertia lever, which can be performed by means of its second web on the one hand along the actuating lever.
  • the actuating lever and the release lever are pivotable in a preferred embodiment about a common axis.
  • This design makes it possible to realize a motor vehicle lock in the smallest space. It also components and thus costs are saved, which could bring a design of another axis with it.
  • the attachment of the actuating lever and the release lever on a common axis further brings the advantage that low ways or Distan- zen between a contact area or area can be reached. In addition to the shorter paths, shorter levers are provided to bridge the distance, so again space and cost can be saved.
  • Another advantage is created by the common axis of the actuating and release lever, characterized in that an impact on the contact surfaces of the two levers is carried out very precisely.
  • the actuating lever can for this purpose have a first arm, which can cooperate with a first fold of the release lever.
  • the first arm of the actuating lever may have a contact surface exceeding a corresponding surface of the first fold of the trigger lever.
  • the mass inertia lever pivots about its axis into a position such that the blocking contour is disengaged from the second arm of the actuating lever. Accordingly, in the pivoted position of the inertia lever, the blocking contour of the inertia lever and the second arm of the actuating lever slide past one another. At the same time, the actuating lever is pivoted in such a way that the actuating lever actuates the triggering lever and the triggering lever unlocks the locking mechanism.
  • the inertia lever acts at an excessively high operating speed of the actuating lever, the inertia lever in such a way with the second arm, that a Ver pivoting of the mass carrier lever is prevented around its pivot axis.
  • the inertia lever should preferably not react to the crash acceleration and is therefore designed so that its center of gravity is in its axis of rotation.
  • the second arm of the actuating lever meets the blocking contour of the inertia lever.
  • such a pivoting of the inertia lever about its pivot axis is suppressed.
  • the movement of the actuating lever is prevented due to the concern of the second arm on the blocking contour.
  • Fig. 2 is a side view of the components of the invention
  • Fig. 3 is a side view of the components of the invention Motor vehicle door lock with actuated actuating lever after the opening operation (Bowden cable not shown),
  • Fig. 4 is a side view of the components of the invention
  • FIG. 5 is a perspective view of a detail of a mass inertia and actuating lever, in particular a guide contour on the mass inertia lever (Bowden cable not shown) and
  • FIG. 6 is a perspective view of a detail of the mass inertial and actuating lever, in particular a blocking contour on the mass inertia lever (Bowden cable not shown).
  • a motor vehicle door latch 1 can be used for all types of door, hood or flap locks.
  • the motor vehicle door lock shown in Fig. 1 comprises the essential components operating lever 2 for actuating a trigger lever 3 and a inertia lever 4 for blocking the operating lever 2 in case of excessively high acceleration.
  • a locking mechanism G (shown only dashed in FIG. 1) can be unlocked for a case of normal acceleration. Under normal acceleration is understood to be a manual operation of a door handle by the user.
  • an actuation of the door handle is transmitted by means of a Bowden cable 5 on the actuating lever 2 and initiates an opening operation.
  • the actuating lever 2 is then pivoted about its axis 6 in the counterclockwise direction and in the direction of the tensile force F during the opening process due to a tensile force F transmitted by the Bowden cable.
  • the inertia lever 4 is in interaction with the actuating lever 2, wherein the inertia lever 4 can be pivoted depending on the acceleration from a basic position about its pivot axis 7 in the counterclockwise direction.
  • the actuating lever 2 interacts with the inertia lever 4 so that the inertia lever 4 is deflected about its pivot axis 7 (see Fig. 2, 3).
  • the inertia lever 4 is released by the pivoting of the actuating lever 2, so that the inertia lever 4 is deflected due to an intended spring preload K.
  • the actuating lever 2 When giving away the actuating lever 2 about the axis 6, the actuating lever 2 hits the triggering lever 3. The triggering lever 3 can then be pivoted counterclockwise about the axis 6 which is common with the actuating lever 2, so that the locking mechanism is unlocked.
  • the inertia lever 4 is advantageously designed such that a first extension 8 and a second extension 9 extending from the common pivot axis 7 in different directions. In essence, extend the extensions 8, 9 diametrically. Starting from the pivot axis 7, the extensions 8, 9 are arranged inclined to each other, starting from a line S of the first extension 8, by an angle of 0 ° to 30 °, preferably by an angle of 10 ° to 20 ° and more preferably by one Angle from 3 ° to 7 °.
  • the line S can also be a symmetry line. However, it is also possible that the extensions 8, 9, starting from the common pivot axis 7 extend straight in the different directions, so that the extension 9 extends substantially along the line of symmetry S.
  • first extension 8 has a first web 10 and the second extension 9 has a second web 1 1.
  • first web 10 extends in this embodiment, preferably of the first extension 8 evenly in opposite directions.
  • the second web 1 1 preferably extends away from the second extension 9 in an opposite direction.
  • the webs 10, 11 can thus also be described as part-circular sections around the pivot axis 7.
  • Such an embodiment of the inertia lever 4 allows a uniform mass distribution starting from the pivot axis 7. It is achieved with the uniform distribution of the mass of the inertia lever 4, a mass inertia, which ensures a safe blocking of the actuating lever 2 at excessively high accelerations.
  • the operating lever 2 has an embodiment which extends radially away from the axis 6 in one direction.
  • the actuating lever 2 At its first end E1, the actuating lever 2 has a receiving and / or receiving opening and / or bearing point in order to be pivotable about the axis 6.
  • the terms used are understood as synonyms, in that a recording as a fulcrum in different embodiments can be realized.
  • the actuating lever 2 At its second end E2, the actuating lever 2 has a receptacle 12 for the Bowden cable 5.
  • the tensile force F of the Bowden cable 5 can be transmitted directly to the actuating lever 2.
  • the operating lever 2 is thus deflected directly upon actuation of the door handle and indirectly by the user.
  • a first arm 13 is formed, which can cooperate with a fold 14 on the trigger lever 3.
  • the release lever 3 then also pivots about the axis 6 and initiates an opening of the only shown in broken lines in Fig. 1 Gesperres G.
  • the fold 15 is in the unactuated state of the motor vehicle door closure at least a portion of the second web 1 1 of the inertia lever 4 against.
  • the further bevel 15 of the actuating lever 2 and the second web 11 of the inertia lever 4 slide past one another, see for example FIGS. 2 and 3.
  • the actuating lever 2 in turn counterclockwise, is operated with a correspondingly high acceleration.
  • the inertia lever 4 due to its inertia and counter to the spring preload K acting on the inertia lever 4, the inertia lever 4 remains approximately in its basic position, so that the inertia lever 4 is hardly and preferably not pivoted about its pivot axis 7.
  • the further fold 15 of the actuating lever 2 comes with at least a portion of the second web 1 1 in contact.
  • the actuating lever 2 thus remains in the event that the operating lever 2 and the web 1 1 are in contact, approximately in its normal position. It thus comes by the retention of the inertia lever 4 in its normal position at the excessively high acceleration to a blocking of the actuating lever 2 (see FIG. 4).
  • a first stop 16 is provided in order to keep the release lever 3 in its normal position in the unactuated state safely.
  • a second arm 17 of the release lever in the unactuated state is in contact with the first stop 17.
  • the first stop 16 thus holds the preferably spring-biased release lever 3 safely in the normal position and it will be so unwanted noise, by, for example, movements of the release lever 3, prevented.
  • a second stop 18 is also provided to keep the mass inertia 4 in a pivoted position.
  • the first web 10 of the inertia lever 4 comes into contact with the second stop 18.
  • the movement of the inertia lever 4 is thus limited, preferably elastically damped.
  • the pivot angle of the inertia lever 4 relative to its basic position is 5 ° to 70 °, preferably 20 ° to 65 ° and particularly preferably 30 ° to 55 °. In this way, the motor vehicle door lock can be reliably realized even in the smallest space.
  • the stops 16, 18 may preferably be formed of an elastic and / or a rubber-elastic material. In this way, the stops 16, 18 can serve as buffers for the components which each come into contact with the stop 16, 18.
  • the second web 1 1 also advantageously has at its first end a guide contour 19, so that the inertia lever 4 can be guided by means of the actuating lever 2 (see FIG. 5).
  • the inertia lever 2 is guided by means of its guide contour 19 along a corresponding region on the actuating lever 2.
  • the inertia lever 4 pivots while guiding by means of the actuating lever 2 about its pivot axis 7.
  • a curved contour 20 on the inertia lever 4 ensures that the mass inertia lever 4 can slide past a projection 21 of the Bowden cable 5.
  • the curved contour 20 is advantageously formed on the web 1 1.
  • a blocking contour 22 on the second web 1 1 of the inertia lever 4 is configured. It is provided that the further fold 15 of the actuating lever 2 at excessively high accelerations with the blocking contour 22 of the inertia lever 4 engages. In particular, the further fold 15 abuts the blocking contour 22 in the blocked state.
  • the actuating lever 2 remains in its locked state approximately in its normal position, since movement of the actuating lever 2 is prevented by the blocking contour 22.
  • the actuating lever 2 In order to move the motor vehicle door lock 1 back to its basic position after its opening operation, the actuating lever 2 is pivoted in a clockwise direction since no pulling force F acts on the actuating lever 2 anymore. The actuating lever 2 then causes due to its acting on the inertia lever 4 lever arm to pivot the inertia lever 4 clockwise. The actuating lever 2 then comes in the basic position again with the guide contour 19 of the inertia lever 4 in contact. The inertia lever 4 is now spring-biased in the basic position on the actuating lever 2, so that a pivoting of the inertia lever 4 during the next opening operation is possible.
  • the spring bias causes the release lever 3 is pivoted clockwise to its normal position, but at the most until its second fold 17 engages with the first stop 16.
  • the inertia lever 4 and the release lever 3 act together relative to each other.
  • the tensile force F is transmitted to the actuating lever 2 by means of the Bowden cable 5.
  • the actuating lever 2 pivots about its axis 6.
  • the inertia lever 4 is along his leadership contour 19 guided by means of the actuating lever 2.
  • the inertia lever 4 pivots about its pivot axis 7.
  • the further fold 15 of the actuating lever 2 and the blocking contour 22 of the inertia lever 4 slide past each other.
  • the actuating lever 2 actuates when pivoting about its axis 6 by means of its first arm 13, the fold 14 of the release lever 3.
  • the release lever 3 pivots about the common axis 6 and unlocks the locking mechanism.
  • the blocking process is preferably only dependent on one component, namely the inertia lever 4. There is no need for an additional coupling unit that couples the actuating lever 2.
  • a resetting of the inertia lever 4 in its initial position takes place in that the actuating lever 2 engages in a return movement with the inertia lever 4 in engagement.
  • the actuating lever 2 initiates a moment on the inertia lever, whereby the inertia lever 4 is pivoted clockwise and reaches its initial position below the second end of the actuating lever 2, as shown by way of example in Fig. 1.
  • the inertia lever 4 is designed to function properly for safe locking.

Landscapes

  • Lock And Its Accessories (AREA)

Abstract

L'invention concerne une serrure de porte de véhicule automobile (1) comprenant un dispositif d'encliquetage (G), un levier d'actionnement (2), un levier de déclenchement (3) et un levier d'inertie de masse (4), le levier de déclenchement (3) pouvant être actionné au moyen du levier d'actionnement (2) et le dispositif d'encliquetage (G) pouvant être déverrouillé au moyen du levier de déclenchement (3), et un déverrouillage (3) pouvant être empêché au moyen du levier d'inertie de masse (4), un déplacement du levier d'actionnement (2) pouvant être bloqué au moyen du levier d'inertie de masse (4).
PCT/DE2016/100379 2015-09-02 2016-08-19 Serrure de porte de véhicule automobile WO2017036452A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015114634.7A DE102015114634A1 (de) 2015-09-02 2015-09-02 Kraftfahrzeugtürverschluss
DE102015114634.7 2015-09-02

Publications (1)

Publication Number Publication Date
WO2017036452A1 true WO2017036452A1 (fr) 2017-03-09

Family

ID=56925932

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2016/100379 WO2017036452A1 (fr) 2015-09-02 2016-08-19 Serrure de porte de véhicule automobile

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DE (1) DE102015114634A1 (fr)
WO (1) WO2017036452A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3418478A1 (fr) * 2017-06-22 2018-12-26 Brose Schließsysteme GbmH & Co. Kommanditgesellschaft Serrure de véhicule automobile

Citations (4)

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Publication number Priority date Publication date Assignee Title
US20130313036A1 (en) * 2012-05-25 2013-11-28 Nissan North America, Inc. Vehicle door latch mechanism
WO2015014341A1 (fr) * 2013-08-01 2015-02-05 Kiekert Ag Serrure de portière de véhicule automobile
DE102015002049A1 (de) * 2014-02-24 2015-08-27 Magna Closures Inc. Schloss für eine Tür eines Kraftfahrzeugs
DE102015001906A1 (de) 2015-02-18 2016-08-18 Kiekert Aktiengesellschaft Betätigungseinrichtung für ein Kraftfahrzeugschloss

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10345104A1 (de) * 2003-09-26 2005-04-21 Kiekert Ag Kraftfahrzeugtürverschluss
DE102011010816A1 (de) * 2011-02-09 2012-08-09 Kiekert Ag Kraftfahrzeugtürverschluss
DE202012007232U1 (de) * 2012-07-27 2013-10-28 BROSE SCHLIEßSYSTEME GMBH & CO. KG Kraftfahrzeugschlossanordnung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130313036A1 (en) * 2012-05-25 2013-11-28 Nissan North America, Inc. Vehicle door latch mechanism
WO2015014341A1 (fr) * 2013-08-01 2015-02-05 Kiekert Ag Serrure de portière de véhicule automobile
DE102015002049A1 (de) * 2014-02-24 2015-08-27 Magna Closures Inc. Schloss für eine Tür eines Kraftfahrzeugs
DE102015001906A1 (de) 2015-02-18 2016-08-18 Kiekert Aktiengesellschaft Betätigungseinrichtung für ein Kraftfahrzeugschloss

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3418478A1 (fr) * 2017-06-22 2018-12-26 Brose Schließsysteme GbmH & Co. Kommanditgesellschaft Serrure de véhicule automobile
CN109113460A (zh) * 2017-06-22 2019-01-01 博泽车锁系统有限公司 机动车锁
CN109113460B (zh) * 2017-06-22 2021-06-11 博泽车锁系统有限公司 机动车锁
US11608660B2 (en) 2017-06-22 2023-03-21 Brose Schliessysteme Gmbh & Co. Kg Motor vehicle lock with crash element

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