EP3445933B1 - Assistance à la fermeture pour véhicules automobiles - Google Patents

Assistance à la fermeture pour véhicules automobiles Download PDF

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Publication number
EP3445933B1
EP3445933B1 EP17718472.8A EP17718472A EP3445933B1 EP 3445933 B1 EP3445933 B1 EP 3445933B1 EP 17718472 A EP17718472 A EP 17718472A EP 3445933 B1 EP3445933 B1 EP 3445933B1
Authority
EP
European Patent Office
Prior art keywords
closing
pawl
closing pawl
path
aid according
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
EP17718472.8A
Other languages
German (de)
English (en)
Other versions
EP3445933A1 (fr
Inventor
Ulrich Weichsel
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 EP3445933A1 publication Critical patent/EP3445933A1/fr
Application granted granted Critical
Publication of EP3445933B1 publication Critical patent/EP3445933B1/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
    • E05B81/12—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
    • E05B81/12—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
    • E05B81/02—Power-actuated vehicle locks characterised by the type of actuators used
    • E05B81/04—Electrical
    • E05B81/06—Electrical using rotary motors

Definitions

  • the invention relates to a closing aid for a motor vehicle lock with a locking mechanism.
  • the locking mechanism comprises a rotary latch and at least one pawl.
  • the invention further relates to a motor vehicle lock with a closing aid.
  • the catch of such a lock can be locked in a preliminary catch position and a main catch position by means of a pawl.
  • Such a lock is in particular a lock for a motor vehicle door.
  • a rotary latch of a motor vehicle lock has a fork-shaped inlet slot into which a locking bolt of a vehicle door or a vehicle flap enters when the vehicle door or vehicle flap is closed.
  • the locking bolt then rotates the rotary latch from an open position to a closed position. Once the rotary latch has reached a closed position, the locking bolt can no longer leave the inlet slot of the rotary latch. In the closed position, a pawl locks the rotary latch so that it can no longer be turned back into the open position.
  • a lock for a motor vehicle there are regularly two locking positions that can be taken one after the other by the rotary latch while it is being closed, namely the so-called pre-locking position and the so-called main locking position. It is possible that there is only one pawl which is able to lock the rotary latch in the pre-locking position as well as in the main locking position. However, two pawls can also be provided, one first pawl being able to lock the rotary latch in the pre-latching position and the other, second pawl being able to latch the rotary latch in the main latching position.
  • a lock with a pawl for the main ratchet, a ratchet for the preliminary ratchet and a blocking lever for the main ratchet - the pawl is from the publication DE 10 2007 003 948 A1 known.
  • the closing aid includes a drive with which the Rotary latch can be moved by motor power from the pre-latching position to the main latching position, in order to completely close an associated door or flap.
  • the drive comprises a closing pawl that can be moved by the motor, which is called a bracket.
  • the closing pawl rests on a bolt of the rotary latch, so that the rotary latch can be rotated from the preliminary catch position to the main catch position by motorized movement of the closing pawl.
  • the closing pawl is then moved back into its starting position. When the closing pawl has reached its starting position, the lock can be opened again.
  • Closing aids are also from the publications DE 10 2008 048 773 A1 and DE 10 2008 048 772 A1 known.
  • the US 2011/084504 A1 shows a motor vehicle lock with a rotary latch that can be locked in a pre-latching position and in a main latching position by a pawl, and with a closing aid to be able to move the rotary latch from the pre-latching to the main latching position by motor power, the closing aid being a movable closing pawl for a closing by motor power, which is moved for the closing from a starting position to an end position along a first path and is moved along another second path when moving back from the end position to the starting position.
  • a closing aid for a lock with a rotary latch is created.
  • the rotary latch can be locked in a pre-locking position and in a main locking position by at least one pawl.
  • the closing aid comprises a motor, by means of which the rotary latch can be moved directly or indirectly from the pre-latching position and the main latching position by motor power in order to be able to close an associated door or flap of a motor vehicle.
  • the closing aid has a movable closing pawl for closing by the motor. By moving the closing pawl with the aid of the motor from an initial position to an end position along a first path, the rotary latch is brought from the pre-locking position into the main locking position.
  • the closing pawl is moved back from the end position to the starting position along a different second path.
  • the second way of the closing pawl is chosen so that the closing pawl is disengaged early, in particular early before reaching the starting position.
  • the closing pawl is guided at least along a path by two control contours. According to the invention, one of the two control contours, which together guide the closing pawl along a path, is immobile. Moving back can be done, for example, by motor power and / or by the force of a pretensioned spring.
  • the first way of the closing pawl is now chosen in such a way that the rotary latch is brought from the preliminary catch into the main catch.
  • the second way of the closing pawl is chosen so that the closing pawl is disengaged early and in particular early before reaching the starting position. As soon as the closing pawl is disengaged, the lock can be opened. It is therefore not necessary to wait until the closing pawl has reached its starting position again in order to be able to open the lock.
  • pivoting movements of the closing pawl are controlled by at least one control contour in order to be able to disengage the closing pawl particularly quickly as soon as the rotary latch has been moved into the main locking position by the closing aid.
  • the movement of the closing pawl along the first path is preferably such that the closing pawl rests against a first control contour during the course of the movement and / or the movement of the closing pawl along the second path is such that the closing pawl rests against a second control contour during the course of the movement .
  • the first control contour acts as a guide for the closing pawl in such a way that the closing pawl is moved along the first path from the starting position into the end position.
  • the second control contour acts as a guide for the closing pawl in such a way that the closing pawl is moved along the second path from the end position into the starting position.
  • the two control contours are preferably movably mounted. This makes it easy to achieve that the closing pawl is guided on the way from the starting position to the end position by a first control contour and on the way back from the end position back to the starting position is guided by a second other control contour by moving the two appropriately Control contours.
  • a suitable movement of the two control contours is achieved in particular by attaching the two control contours to a pivotably mounted lever. If the lever is pivoted, the two control contours are moved.
  • the two movable control contours and / or the closing pawl are pretensioned by a spring in the direction of a third control contour in order to enable safe operation.
  • the movable control contours and / or the closing pawl can be moved in the direction of the third control contour by means of one or more pretensioned springs.
  • the third control contour also controls a movement of the closing pawl, in particular along the first path.
  • the third control contour is basically immovably mounted, so it is firmly attached.
  • the pivotable lever is pivoted when the closing pawl is moved from the starting position into the end position. This contributes to the fact that the closing pawl is guided along the first path through a first control contour in a technically simple manner. Alternatively or in addition, however, it is also possible for the pivotable lever to be pivoted during the movement along the second path in order to control movement sequences in a suitable manner.
  • the pivotable lever is pivoted in a second direction of rotation when the closing pawl is moved from the end position into the starting position.
  • This pivoting in the second direction of rotation can take place before and / or during the movement of the closing pawl from the starting position into the end position. This contributes to the fact that the closing pawl is guided along the first path through a first control contour in a technically simple manner.
  • This second direction of rotation is the opposite of the aforementioned first direction of rotation.
  • both contours have an arc shape, the ends of the arc shapes merging into one another in such a way that an ellipse-like shape is present, for example an oval. At least approximately there are acute-angled ends, which can easily contribute to the fact that the closing pawl is guided through the first control contour on the way there and through the second control contour on the way back.
  • the closing pawl has a protruding bolt which rests against the corresponding aforementioned control contour during the movement of the closing pawl.
  • the control contours can therefore guide the bolt and thus the closing pawl in the course of the movement of the closing pawl. In a further improved manner, this can contribute in a simple manner to the fact that the closing pawl is guided through the first control contour on the way there and through the second control contour on the way back.
  • the bolt has a circular or teardrop-shaped cross-section, which further improves the fact that the closing pawl is guided through the first control contour on the way there and through the second control contour on the way back.
  • the closing pawl is rotatably supported by an axis.
  • Moving the closing pawl along the first path and / or the second path includes a rotary movement about the axis and a displacement (that is, displacement) of this axis.
  • the closing aid can thus be moved along different paths using simple technical means.
  • the invention also relates to a lock with such a closing aid.
  • the closing pawl rests directly on the rotary latch during the closing in order to keep the number of components and thus also the installation space small.
  • at least one further component can also be provided between the closing pawl and the rotary latch, by means of which a movement of the closing pawl is transmitted to the rotary latch for a closing.
  • the Figures 1 to 4 show excerpts of a closing aid 1 for a motor vehicle lock in order to be able to move the rotary latch by motor power, preferably indirectly or directly, from the pre-locking position and the main locking position by means of an electric drive.
  • the closing aid comprises a movable closing pawl 2, the closing pawl 2 for the closing of one in the Figure 1 starting position shown in a in the Figure 3 end position shown can be moved along a first path.
  • the Figure 3 shows the closing pawl 2 on its first path to get from the starting position to the end position.
  • the closing pawl 2 is moved back from the end position to the starting position along a different second path.
  • the Figure 4 shows the closing pawl 2 on its second way to get from its end position back to the starting position.
  • the second route runs differently than the first route, so that two different routes are shown for the purposes of the present invention.
  • the movement of the closing pawl 2 along the first and second path is controlled by several control contours 3, 4 and 5.
  • a first control contour 4 and a second control contour 3 are attached to a pivotably mounted lever 6.
  • the lever 6 can be pivoted about its axis 7 become.
  • the first control contour 4 and the second control contour 3 are movably supported on account of their attachment to the pivotable lever 6.
  • the movement of the closing pawl 2 along the first path takes place in such a way that the closing pawl 2 rests against the first movable control contour 4 and the third immovable control contour 5 in the course of the movement, as shown in particular by the Figure 2 is made clear.
  • the movement of the closing pawl 2 along the second path takes place in such a way that the closing pawl 2 rests against the second control contour 3 in the course of the movement, as shown in FIG Figure 4 will be shown.
  • the first and the second movable control contour 4, 3 and the closing pawl 2 can be moved in the direction of the fixed and therefore immovable control contour 5 by the force of pretensioned springs (not shown).
  • the two springs ensure, among other things, that as in the Figure 2 shown that in cross-section drop-shaped bolt 8 of the closing pawl 2 rests on the immovable control contour 5 and the first control contour 4 rests on the other side of the bolt 8. It will be like in Figure 4 shown ensures that the first control contour 4 rests on the control contour 5 and the bolt 8 of the closing pawl 2 rests on the second control contour 3. As a result, it is thus reliably ensured overall that the closing pawl 2 is moved in the desired manner along the first and the second path and reaches its end position or starting position in the intended manner.
  • the pivotable lever 6 is first pivoted counterclockwise in a first direction of rotation when the closing pawl 2 is moved from the starting position into the end position along the first path. When the closing pawl 2 has covered the first distance sufficiently, the pivotable lever 6 is pivoted back again, that is to say in a clockwise direction. When the closing pawl 2 has reached its end position, the pivotable lever 6 has been pivoted back completely.
  • the first control contour 4 is then on the immovable control contour 5, which is ensured by the force of one of the pretensioned springs mentioned.
  • the two movable control contours form an oval or at least oval-like shape.
  • This shape in conjunction with the bolt 8 of the closing pawl 2, which is teardrop-shaped in cross section, ensures that the closing pawl 2 is moved along a first path for closing and for a movement back into the starting position along a second path that differs from the first path.
  • the immovable control contour 5 runs at an angle.
  • a leg of this angular shape serves as a stop for the bolt 8 when the closing pawl 2 is moved back into its starting position.
  • the Figure 1 shows that the one leg of the control contour 5 prevents the closing pawl 8 from being able to be moved further to the right. In this respect, this leg of the control contour 5 forms a stop for the closing pawl 2.
  • the other leg of this angular shape controls the movement along the first path, like the one Figure 2 shows that the bolt 8 of the closing pawl 2 then rests against this second leg of the control contour 5.
  • the bolt 8 and thus the closing pawl 2 are guided by two control contours, namely by the first movable control contour 4 and the immovable control contour 5.
  • the closing pawl 2 is in the Figure 5 axis 9 shown rotatably mounted.
  • the closing pawl 2 is compared to the Figures 1 to 4 shown from the opposite side.
  • Moving the closing pawl 2 along the first path and the second path includes a rotary movement of the closing pawl 2 about its axis 9.
  • the axis 9 is shifted, that is to say the position of the axis 9 is changed.
  • the axis 9 is like in the Figure 5 shown attached to one end of the lever arm 10 of a lever which is rotatably supported by a shaft 11.
  • Another lever arm 12 of this lever can use a Bowden cable 13 and a
  • the electric motor not shown can be pivoted about the axis 11 in order to move the axis 9 of the closing pawl 2, that is to say to displace it.
  • the axis 9 of the closing pawl 2 is displaced by motor power.
  • the pivoting of the closing pawl 2 about its axis 9 is controlled by the control contours and is therefore not brought about directly by the motor power.
  • An electric motor is generally used as the motor.
  • the closing pawl 2 rests against a rotary latch 14 in such a way that the rotary latch 14 is pivoted from the pre-latching position into its main latching position.
  • the rotary latch and the pawl of the locking mechanism are attached to a lock case 16 so as to be pivotable. If the closing pawl 2 is reached after reaching its end position (see Figure 3 ) is moved back, the closing pawl 2 is as in the Figure 4 shown early by pivoting about its axis 9 lifted from the control contour 5 and thus also from the rotary latch and thus disengaged. As soon as the closing pawl 2 has been lifted off the rotary latch and thus disengaged, the lock can be opened.

Landscapes

  • Lock And Its Accessories (AREA)
  • Clamps And Clips (AREA)

Claims (13)

  1. Assistance à la fermeture (1) d'une serrure de véhicule automobile comportant un pêne rotatif (14) qui peut être encliqueté dans une position de pré-encliquetage et dans une position d'encliquetage principal par au moins un cliquet de blocage afin de pouvoir déplacer le pêne rotatif (14) sous l'effet de la force du moteur de la position de pré-encliquetage à la position d'encliquetage principal, l'assistance à la fermeture comprenant un cliquet de fermeture mobile (2) destiné à la fermeture sous l'effet de la force du moteur, le cliquet de fermeture (2) destiné à la fermeture pouvant être déplacé d'une position initiale à une position de fin de course le long d'une première trajectoire, le retour du cliquet de fermeture (2) de la position de fin de course à la position initiale se produisant le long d'une seconde trajectoire différente, le cliquet de fermeture (2) étant guidé au moins le long d'une trajectoire par deux contours de commande (4, 5), la seconde trajectoire du cliquet de fermeture (2) étant choisie de manière que le cliquet de fermeture (2) est désengagé de façon précoce et en particulier de façon précoce avant que la position initiale soit atteinte, caractérisée en ce que l'un des deux contours de commande (4, 5), qui guident ensemble le cliquet de fermeture (2) le long d'une trajectoire, est immobile.
  2. Assistance à la fermeture selon la revendication précédente, caractérisée en ce que les mouvements de pivotement du cliquet de fermeture (2) sont commandés par au moins un contour de commande (3).
  3. Assistance à la fermeture selon la revendication précédente, caractérisée en ce que le cliquet de fermeture (2) est déplacé le long de la première trajectoire de telle sorte que le cliquet de fermeture (2) repose contre un premier et/ou un troisième contour de commande (4, 5) au cours du déplacement et/ou en ce que le cliquet de fermeture (2) est déplacé le long de la seconde trajectoire de telle sorte que le cliquet de fermeture (2) repose contre un deuxième contour de commande (3) au cours du déplacement.
  4. Assistance à la fermeture selon la revendication précédente, caractérisée en ce que le premier et le deuxième contour de commande (3, 4) sont montés de manière mobile et en particulier rotative autour d'un axe (7).
  5. Assistance à la fermeture selon la revendication précédente, caractérisée en ce que les deux contours de commande mobiles (3, 4) sont fixés sur un levier (6) monté pivotant.
  6. Assistance à la fermeture selon l'une des deux revendications précédentes, caractérisée en ce que le premier contour de commande mobile (4), le deuxième contour de commande mobile (3) et/ou le cliquet de fermeture (2) peuvent être déplacés en direction d'un troisième contour de commande (5) sous l'effet de la force d'un ressort précontraint.
  7. Assistance à la fermeture selon la revendication précédente, caractérisée en ce que le levier pivotant (6) n'est pivoté que lorsque le cliquet de fermeture (2) est déplacé de la position initiale à la position de fin de course.
  8. Assistance à la fermeture selon l'une des revendications précédentes, caractérisée par une forme ovale ou sensiblement ovale de deux contours de commande (3, 4).
  9. Assistance à la fermeture selon l'une des revendications précédentes, caractérisée en ce que le cliquet de fermeture (2) est monté à rotation par un axe (9) et en ce qu'un déplacement du cliquet de fermeture (2) le long de la première trajectoire et/ou de la seconde trajectoire comprend un mouvement de rotation autour de l'axe (9) ainsi qu'un décalage de cet axe (9).
  10. Assistance à la fermeture selon la revendication précédente, caractérisée en ce que l'axe (9) du cliquet de fermeture (2) est déplacé sous l'effet de la force du moteur.
  11. Assistance à la fermeture selon l'une des revendications précédentes, caractérisée en ce que le cliquet de fermeture (2) présente un verrou saillant (8) comportant une section transversale de préférence circulaire ou en forme de goutte et en ce que les contours de commande (3, 4, 5) sont aptes à guider le verrou (8).
  12. Serrure comportant une assistance à la fermeture selon l'une des revendications précédentes, comportant un pêne rotatif (14) qui peut être encliqueté dans une position de pré-encliquetage et dans une position d'encliquetage principal par au moins un cliquet de blocage, l'assistance à la fermeture (1) pouvant déplacer le pêne rotatif (14) de la position de pré-encliquetage à la position d'encliquetage principal sous l'effet de la force du moteur.
  13. Serrure selon la revendication précédente, caractérisée en ce que le cliquet de fermeture (2) repose contre le pêne rotatif (14) lors de la fermeture.
EP17718472.8A 2016-04-22 2017-03-22 Assistance à la fermeture pour véhicules automobiles Active EP3445933B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016107507.8A DE102016107507A1 (de) 2016-04-22 2016-04-22 Zuziehhilfe für Kraftfahrzeuge
PCT/DE2017/100232 WO2017182023A1 (fr) 2016-04-22 2017-03-22 Assistance à la fermeture pour véhicules automobiles

Publications (2)

Publication Number Publication Date
EP3445933A1 EP3445933A1 (fr) 2019-02-27
EP3445933B1 true EP3445933B1 (fr) 2021-04-28

Family

ID=58579002

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17718472.8A Active EP3445933B1 (fr) 2016-04-22 2017-03-22 Assistance à la fermeture pour véhicules automobiles

Country Status (7)

Country Link
US (1) US11242699B2 (fr)
EP (1) EP3445933B1 (fr)
JP (1) JP6844906B2 (fr)
KR (1) KR102369034B1 (fr)
CN (1) CN109312581B (fr)
DE (1) DE102016107507A1 (fr)
WO (1) WO2017182023A1 (fr)

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DE10133092A1 (de) * 2001-07-11 2003-01-30 Huf Huelsbeck & Fuerst Gmbh Schloß, insbesondere für Kraftfahrzeugtüren, -klappen od. dgl.
JP4267934B2 (ja) 2003-02-18 2009-05-27 アイシン精機株式会社 車両用のドアロック機構
JP2006009485A (ja) * 2004-06-29 2006-01-12 Mitsuba Corp 自動車用自動閉扉の制御方法
DE102007003948A1 (de) 2006-11-22 2008-05-29 Kiekert Ag Schlosseinheit mit mehrteiliger Sperrklinke
FR2916788B1 (fr) 2007-06-01 2013-02-15 Valeo Securite Habitacle Serrure electrique a assistance de fermeture pour ouvrant de vehicule automobile
JP5285969B2 (ja) * 2008-06-11 2013-09-11 シロキ工業株式会社 ドアロック装置
DE102008048772A1 (de) * 2008-09-24 2010-03-25 Kiekert Ag Kraftfahrzeugtürverschluss
DE102008048773A1 (de) 2008-09-24 2010-03-25 Kiekert Ag Kraftfahrzeugtürverschluss
DE102009026921A1 (de) 2009-06-12 2010-12-16 Kiekert Ag Kraftfahrzeugschloss mit Zuziehhilfe
DE102009050077B4 (de) * 2009-10-05 2022-11-17 Magna BÖCO GmbH Fahrzeugschloss
JP5450021B2 (ja) * 2009-12-10 2014-03-26 シロキ工業株式会社 ドアロック装置
DE102010025355B4 (de) * 2010-06-28 2014-11-13 Audi Ag Schlossvorrichtung für ein Kraftfahrzeug
DE102011012656A1 (de) * 2011-02-28 2012-08-30 Kiekert Ag Kraftfahrzeugtürverschluss
EP2503082B1 (fr) * 2011-03-25 2016-11-16 U-Shin Deutschland Zugangssysteme GmbH Serrure motorisée pour véhicule automobile
DE102012102723A1 (de) * 2011-09-23 2013-03-28 Huf Hülsbeck & Fürst Gmbh & Co. Kg Kraftfahrzeugtürverschluss
DE102012216976B4 (de) * 2012-09-21 2023-11-09 Kiekert Aktiengesellschaft Schloss für eine Klappe oder Tür
DE102013008415A1 (de) * 2013-05-17 2014-11-20 BROSE SCHLIEßSYSTEME GMBH & CO. KG Kraftfahrzeugschloss
DE102014003737A1 (de) * 2014-03-18 2015-09-24 Kiekert Aktiengesellschaft Schließvorrichtung für eine Kraftfahrzeughaube
DE102016010467B4 (de) * 2016-08-31 2022-09-22 Magna BÖCO GmbH Verriegelungsvorrichtung für eine Fahrzeugtür und Verfahren

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Also Published As

Publication number Publication date
WO2017182023A1 (fr) 2017-10-26
JP6844906B2 (ja) 2021-03-17
EP3445933A1 (fr) 2019-02-27
CN109312581A (zh) 2019-02-05
KR20180137528A (ko) 2018-12-27
JP2019513925A (ja) 2019-05-30
US11242699B2 (en) 2022-02-08
DE102016107507A1 (de) 2017-10-26
KR102369034B1 (ko) 2022-03-02
CN109312581B (zh) 2021-02-02
US20190136587A1 (en) 2019-05-09

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