EP2245247B1 - Serrure de porte de véhicule automobile - Google Patents

Serrure de porte de véhicule automobile Download PDF

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Publication number
EP2245247B1
EP2245247B1 EP09710013.5A EP09710013A EP2245247B1 EP 2245247 B1 EP2245247 B1 EP 2245247B1 EP 09710013 A EP09710013 A EP 09710013A EP 2245247 B1 EP2245247 B1 EP 2245247B1
Authority
EP
European Patent Office
Prior art keywords
spindle
vehicle door
motor vehicle
drive
linear
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
EP09710013.5A
Other languages
German (de)
English (en)
Other versions
EP2245247A1 (fr
Inventor
Thorsten Bendel
Claus Töpfer
Winfried Schlabs
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.)
Kiekert AG
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 EP2245247A1 publication Critical patent/EP2245247A1/fr
Application granted granted Critical
Publication of EP2245247B1 publication Critical patent/EP2245247B1/fr
Active 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
    • 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
    • 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
    • E05B81/26—Output elements
    • E05B81/28—Linearly reciprocating elements
    • 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
    • E05B77/36—Noise prevention; Anti-rattling means
    • 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
    • E05B81/20—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators for assisting final closing or for initiating opening
    • 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
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B2047/0014—Constructional features of actuators or power transmissions therefor
    • E05B2047/0018—Details of actuator transmissions
    • E05B2047/0023—Nuts or nut-like elements moving along a driven threaded axle
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/096—Sliding
    • Y10T292/1014—Operating means
    • Y10T292/1021—Motor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/68—Keepers
    • Y10T292/696—With movable dog, catch or striker
    • Y10T292/699—Motor controlled

Definitions

  • the invention relates to a motor vehicle door lock, with a locking mechanism, and with a closing / opening device with drive, which operates on the locking mechanism.
  • opening aids which ensure that the locking mechanism is opened by motor.
  • An example of such an opening aid is in the DE 10 2004 052 599 A1 described. This too is primarily used for reasons of improved comfort.
  • the known Zuzieh- / opening devices rely on a partially complicated designed lever assembly back to produce the required torque. This often results in large travel ranges of the drives or at this point mostly used, small-sized electric motors. Since the entire closing / opening device is located, for example, in the interior of a motor vehicle door, a tailgate or the like, noises associated with the closing / opening process are often transmitted in this way directly to the inside of a passenger compartment by means of structure-borne sound transmission forwarded. This is increasingly regarded as disturbing. This is where the invention starts.
  • the invention is based on the technical problem of further developing such a motor vehicle door lock so that the noise behavior in particular of the closing / opening device is improved overall.
  • the invention proposes in a generic motor vehicle door lock, that the drive for the closing / opening device is designed as a linear drive.
  • the mentioned linear drive is advantageously composed of a motor and a linear actuator.
  • the motor is usually a small and compact designed electric motor with low weight. This works either indirectly or directly on the acted upon by him linear actuator, which in turn - again indirectly or directly - applied a Zuziehklinke or a comparable Zuzieh- / opening element.
  • the Zuziehklinke may engage in a contour of the locking mechanism, usually in a contour of the rotary latch.
  • the closing / opening device is composed of at least the motor or electric motor, the linear actuator acted upon by the motor as a total linear drive and finally a closing / opening element, which is usually a closing pawl.
  • the drive is designed as a linear drive, it has compact dimensions, low weight and has little or almost no running noise. That is, in contrast to the prior art, the noise when driving the Zuzieh- / opening device according to the invention is minimal.
  • linear drives or in particular linear actuators are generally constructed in such a way that they have a spindle and an associated spindle element, which is moved back and forth on the spindle.
  • the spindle may be a threaded spindle, whereas the spindle element is advantageously designed as a spindle nut.
  • the spindle element or the spindle nut can be moved up and down along the spindle and performs the desired linear movement. This happens due to the precise engagement of the threads of the spindle in the internal thread of the spindle nut and the low speed virtually noiseless.
  • the linear actuator or its spindle and spindle element can be made of different materials, for example of steel or plastic, of course, also mixed forms are conceivable such that the spindle element made of plastic on a spindle of steel reciprocates.
  • the required rotational movement of the spindle is ensured by the motor or electric motor.
  • a transmission which is interposed between the motor and the linear actuator.
  • This gear is in particular a worm gear.
  • a worm gear regularly has a arranged on the output shaft of the motor screw, which engages in a worm wheel, by means of which the spindle or spindle nut is driven.
  • the drive spindle or spindle nut can also be realized via other gear, such as bevel gear, belt drive.
  • the linear drive as a whole can be relatively flexibly arranged in or on the motor vehicle door lock and adapted to the local topological conditions.
  • This also includes the basic possibility to interpret the linear drive as a separate module regardless of a locking mechanism usually carrying the lock case of the motor vehicle door lock.
  • the transmission of the movement provided by the linear drive can be ensured in this case by means of a transmission element which operates on the locking mechanism or the locking / opening element associated with the locking mechanism.
  • This aspect further increases the flexibility in mounting, especially as the linear drive is uncritical of its generated noise in terms of mounting in or on a body part.
  • the linear movement of the spindle element of the linear actuator or generally of the linear drive is usually transmitted to the reverse side by means of a lever drive on the closing / opening element.
  • a lever drive on the closing / opening element is easily able to convert the linear motion predetermined by the linear drive in a mostly arcuate actuating movement for the closing / opening element.
  • the linear movement of the linear drive can also be transmitted via a Bowden cable to the closing opening element.
  • the linear drive is equipped with at least one position sensor.
  • two position sensors are provided which detect the respective end positions of the linear drive or in detail of the spindle element and transmit them to a control unit. Based on the signals of the one or more position sensors, the control unit can now stop the motor for the linear actuator or reverse its direction of rotation.
  • a clutch between the motor and the gearbox ensures that the output shaft of the motor acts on the linear actuator in a torsionally flexible manner in the linear drive.
  • linear drives are already used in motor vehicle door locks, but only and exclusively in connection with the locking or unlocking of the locking mechanism (see. DE 195 01 493 B4 . DE 103 44 244 A1 and DE 699 01 229 T2 ). This is due to the fact that so far considered the travel of such linear drives as too low and the design effort in connection with such Zuzieh- / opening devices as too high and the noise problem was not recognized. All these prejudices have overcome the invention. Because it provides a linear drive with an adjustment available, which is located in the millimeter range up to a few centimeters, convinced by a low weight of mostly well below 200 g and allows the transmission of sufficient torque, especially for the closing process. All this works without disturbing running or control noises. Here are the main benefits.
  • a motor vehicle door lock is shown, which is equipped as usual with a locking mechanism 1, 2 of the rotary latch 1 and associated pawl 2.
  • the locking mechanism 1, 2 is associated with a closing / opening device 3 to 7, which in the present case is configured as a closing aid 3 to 7 and operates on the locking mechanism 1, 2 in a pulling-in sense.
  • the closing / opening device or closing aid 3 to 7 has a drive 3, 4, 5 which in the embodiment is designed as a linear drive 3, 4, 5.
  • the linear drive 3, 4, 5 is composed essentially of a motor 3a with output shaft 3b and a linear actuator 4, 5 acted upon by this.
  • the linear drive 3, 4, 5 between the motor 3a and the linear actuator 4, 5 an intermediate gear 3c, 3d, which is configured in the embodiment as a worm gear 3c, 3d.
  • the linear actuator 4, 5 is in turn composed of a spindle 5 and a spindle element 4, wherein in the embodiment, the spindle 5 is linearly reciprocated and thus executes a lifting movement.
  • the spindle 5 is presently a threaded spindle 5, whereas spindle element 4 is designed as a spindle nut 4.
  • the linear drive 3, 4, 5 works indirectly or directly on a closing / opening element 7, which is designed as a closing pawl 7 in the embodiment, which engages in a contour 8 of the locking mechanism 1, 2.
  • the contour 8 is formed on the outside of the rotary latch 1, so that the closing pawl 7 interacts with the contour 8 in question on the rotary latch 1.
  • the basic structure still includes a lever drive 6, by means of which the linear drive 3, 4, 5 works on the closing / opening element or the closing pawl 7. Consequently, the closing / opening device or closing aid 3 to 7 consists of the linear drive 3, 4, 5, the lever drive 6 and finally the closing pawl 7 together.
  • the linear drive 3, 4, 5 summarizes in turn the motor drive 3 and the linear actuator 4, 5 together.
  • the lever drive 6 has two levers 6a, 6b.
  • the one lever 6a is formed as a spindle lever 6a and pivotally connected to the spindle member or the spindle nut 4.
  • the other lever 6b is designed as a pawl lever and on the one hand coaxially mounted to the rotary latch 1 and on the other hand pivotally connected to the closing / opening element respectively of the closing pawl 7 in the example.
  • the operative connection between the linear drive 3, 4, 5 and the closing pawl 7 also take place via a Bowden cable.
  • the operation is as follows. To the catch 1 of the in Fig. 4 shown so-called pre-locking position to be translated into a pre-detent 12 ratchet pawl 2 in the main detent position, in which the pawl 2 is incident in a main catch 13 on the rotary latch 1, it is necessary that engaging in the contour 8 of the catch 1 Zuziehklinke 7 the catch 1 in the example turned counterclockwise, as a movement arrow in the Fig. 4 suggests. This is achieved by the invention in that the spindle element or the spindle nut 4 in the illustration according to Fig. 4 is moved to the left. For this purpose, the motor or electric motor 3a must put the spindle or threaded spindle 5 in the corresponding rotation.
  • the output shaft 3b of the motor 3a has a worm 3c meshing with a worm wheel 3d of the worm gear 3c, 3d.
  • the worm wheel 3d is arranged coaxially to the spindle 5 and rotatably connected thereto.
  • the linear actuator 4, 5 and the motor 3a are arranged at an angle to each other, wherein in the embodiment, both the motor 3a and the linear actuator 4, 5 are connected to the lock case 14 and connected thereto. It is also possible in principle to place the linear drive 3, 4, 5 in total separately from the lock case 14 and to this extent define a separate module for this purpose.
  • the connection between the linear drive 3, 4, 5 and the ratchet 1, 2 or at this point unchanged implemented lever drive 6 may ensure a transmission element in this case, which is advantageously a Bowden cable or the like. This Bowden cable may act on the spindle lever 6a instead of the spindle nut 4. This is not shown.

Claims (10)

  1. Serrure de porte de véhicule automobile avec un dispositif de verrouillage (1, 2) et un dispositif de fermeture/ouverture (3 à 7) avec entraînement (3, 4, 5) qui agit sur le dispositif de verrouillage (1,2) caractérisée en ce que l'entraînement (3, 4, 5) est formé comme entraînement linéaire (3, 4, 5).
  2. Serrure de porte de véhicule automobile selon la revendication 1 caractérisée en ce que l'entraînement linéaire (3, 4, 5) présente au moins un moteur (3a) et un actionneur linéaire (4, 5).
  3. Serrure de porte de véhicule automobile selon la revendication 1 caractérisée en ce que l'entraînement linéaire (4, 5) et le moteur (3a) sont disposés l'un par rapport à l'autre en formant un angle, en particulier un angle droit.
  4. Serrure de porte de véhicule automobile selon l'une des revendications 1 à 3 caractérisée en ce que l'entraînement linéaire (3, 4, 5) est équipé d'un couplage (16).
  5. Serrure de porte de véhicule automobile selon l'une des revendications 1 à 4 caractérisée en ce que l'entraînement linéaire (3, 4, 5) présente une broche (5) et un élément de broche (4).
  6. Serrure de porte de véhicule automobile selon l'une des revendications 1 à 5 caractérisée en ce que l'entraînement linéaire (3, 4, 5) présente un engrenage (3c, 3d) intercalé, en particulier un engrenage à vis sans fin (3c, 3d) entre le moteur (3a) et l'actionneur linéaire (4, 5).
  7. Serrure de porte de véhicule automobile selon l'une des revendications 1 à 6 caractérisée en ce que l'entraînement linéaire (3, 4, 5) agit directement ou indirectement sur un dispositif de fermeture/ouverture (7) qui s'engrène dans un contour (8) du dispositif de verrouillage (1, 2).
  8. Serrure de porte de véhicule automobile selon l'une des revendications 1 à 7 caractérisée en ce que l'entraînement linéaire (3, 4, 5) présente un entraînement de levier (6) côté verrouillage.
  9. Serrure de porte de véhicule automobile selon l'une des revendications 1 à 8 caractérisée en ce que l'entraînement linéaire (3, 4, 5) est équipé d'au moins un capteur de position (9).
  10. Serrure de porte de véhicule automobile selon l'une des revendications 1 à 9 caractérisée en ce que l'entraînement linéaire (3, 4, 5) agit sur le dispositif de verrouillage (1, 2) via un élément de transmission.
EP09710013.5A 2008-02-15 2009-02-06 Serrure de porte de véhicule automobile Active EP2245247B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200810009506 DE102008009506A1 (de) 2008-02-15 2008-02-15 Kraftfahrzeugtürverschluss
PCT/DE2009/000168 WO2009100707A1 (fr) 2008-02-15 2009-02-06 Serrure de porte de véhicule automobile

Publications (2)

Publication Number Publication Date
EP2245247A1 EP2245247A1 (fr) 2010-11-03
EP2245247B1 true EP2245247B1 (fr) 2017-09-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP09710013.5A Active EP2245247B1 (fr) 2008-02-15 2009-02-06 Serrure de porte de véhicule automobile

Country Status (6)

Country Link
US (2) US20110012380A1 (fr)
EP (1) EP2245247B1 (fr)
JP (1) JP5612484B2 (fr)
CN (2) CN101978127A (fr)
DE (3) DE102008009506A1 (fr)
WO (1) WO2009100707A1 (fr)

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Publication number Publication date
WO2009100707A1 (fr) 2009-08-20
CN106121402A (zh) 2016-11-16
JP5612484B2 (ja) 2014-10-22
CN101978127A (zh) 2011-02-16
US20110012380A1 (en) 2011-01-20
EP2245247A1 (fr) 2010-11-03
US20110074168A1 (en) 2011-03-31
DE202008007310U1 (de) 2009-06-25
DE102008009506A1 (de) 2009-08-20
JP2011514454A (ja) 2011-05-06
DE202008007296U1 (de) 2009-06-25

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