EP2304139B1 - Serrure a levier de blocage et centre de gravite reequilibre - Google Patents

Serrure a levier de blocage et centre de gravite reequilibre Download PDF

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Publication number
EP2304139B1
EP2304139B1 EP09761787.2A EP09761787A EP2304139B1 EP 2304139 B1 EP2304139 B1 EP 2304139B1 EP 09761787 A EP09761787 A EP 09761787A EP 2304139 B1 EP2304139 B1 EP 2304139B1
Authority
EP
European Patent Office
Prior art keywords
lever
pawl
blocking
locking
catch
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
EP09761787.2A
Other languages
German (de)
English (en)
Other versions
EP2304139A2 (fr
Inventor
Thorsten Bendel
Serkan Gülkan
Karsten Barth
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=41219055&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2304139(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kiekert AG filed Critical Kiekert AG
Priority to EP11170170.2A priority Critical patent/EP2400088B1/fr
Publication of EP2304139A2 publication Critical patent/EP2304139A2/fr
Application granted granted Critical
Publication of EP2304139B1 publication Critical patent/EP2304139B1/fr
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Classifications

    • 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
    • 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
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/04—Spring arrangements in locks
    • E05B2015/0486—A single spring working on more than one element
    • 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
    • Y10T292/1043—Swinging
    • Y10T292/1044—Multiple head
    • Y10T292/1045—Operating means
    • Y10T292/1047—Closure
    • 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
    • Y10T292/1043—Swinging
    • Y10T292/1075—Operating means
    • Y10T292/1082—Motor

Definitions

  • the invention relates to a lock for a motor vehicle with a locking mechanism comprising a rotary latch and a pawl, with which the rotary latch can be locked in a closed position.
  • the ratchet also has a blocking lever which locks the pawl when it locks the ratchet.
  • the invention relates to a lock having a main ratchet pawl (hereinafter called “main ratchet pawl”), a ratchet pawl (hereinafter called "pre-ratchet pawl”) and a blocking lever for said main ratchet pawl.
  • main ratchet pawl main ratchet pawl
  • pre-ratchet pawl ratchet pawl
  • Such a lock is from the document DE 10 2007 003 948 A1 known.
  • 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 door, when the vehicle door or vehicle door is closed.
  • the locking pin then rotates the catch from an open position - also called open position - in a closed position. If the catch has reached a closed position, then the locking pin can not leave the inlet slot of the catch. In the closed position, a pawl locks the catch, so that it can not be rotated back into the open position.
  • a blocking lever may be provided which blocks such movement when the catch is locked.
  • a hook-shaped blocking lever is in the from the publication DE 10 2007 003 948 A1 known lock for the main catch pawl required as the catch and the main catch pawl so are designed so that the pawl in the main catch urges the main-locking pawl from the locking position.
  • the blockage lever is rotated counter to its bias by means of the pre - ratchet pawl until the blockage lever releases the main catch pawl.
  • the main catch pawl is then urged by the catch from the locking position or detected by a catch of the pre-locking pawl and so moved out of the locking position.
  • the catch rotates due to a corresponding bias of the main load in its open position.
  • the locking bolt can now be moved out of the inlet slot again and the corresponding vehicle door or vehicle door can be opened.
  • a lock according to the preamble of claim 1 is from the document DE 20 2006 012 091 U Deutschen.Nehin discloses the document GB 2 433 768 a lock with a multi-arm blockage lever. It is an object of the invention to provide a well-functioning lock for a motor vehicle.
  • the claimed lock for a motor vehicle is provided with a locking mechanism of a catch and at least one pawl, in particular a pre-locking pawl for a first locking the catch and a main catch pawl for a subsequent locking of the catch.
  • the lock also includes a blocking lever which blocks the at least one pawl when it locks the catch. The pawl can not be moved out of the locking position when it is blocked by the blocking lever.
  • the rotatably mounted blocking lever has at least two lever arms which, viewed from the rotational axis, extend in substantially opposite directions. As a result, the center of gravity is moved towards the axis of rotation compared to the aforementioned hook-shaped blockage lever. This facilitates the rotation of the blockage lever.
  • the blocking lever has a third lever arm for moving and blocking the pawl.
  • the third lever arm is shorter than the other two mentioned lever arms in order to shift the center of gravity as little as possible away from the axis of rotation.
  • the pawl preferably the main-locking pawl is moved to the locking position and blocked after reaching the locking position.
  • This third lever arm is configured hook-shaped in particular for the reasons mentioned.
  • this lever arm acts on one of the opposite lever arms, a spring which presses the blocking lever in the blocking position to move the blocking lever into this position when the corresponding pawl locks the rotary latch.
  • this lever arm is relatively long, so slightly longer than the other opposite lever arm, so that the force acting on this lever spring force especially easily able to effect the desired rotational movement of the blocking lever.
  • a stop for one of the two opposite lever arms and preferably for the lever arm, which is acted upon by no spring.
  • the stop is reached by the lever arm when the blocking lever reaches its blocking position. This ensures on the one hand that the blocking lever always reaches its blocking end position very precisely, which is very important for a good functioning of the lock, since the permissible tolerances are particularly low in this regard.
  • one lever arm is spring-loaded and if the other lever arm can be moved against the abovementioned stop, then both lever arms have a further technical function.
  • the non-spring-loaded lever arm for reaching a stop.
  • the bias, which acts on the spring-loaded lever arm can then be advantageously controlled in the manner explained in the embodiment advantageously with the aid of a further pawl.
  • FIGS. 1 to 4 shown embodiment of the invention explained in more detail. On the basis of the embodiment advantages of further embodiments of the invention are illustrated.
  • FIG. 1 is a plan view of a housing wall 1 of a vehicle lock shown.
  • the housing wall 1 is provided with an inlet slot 2 into which a locking bolt 3 of a vehicle door or a vehicle door enters when the associated vehicle door or vehicle door is closed.
  • the rotary latch 4 is rotatably mounted on the housing wall 1 and can be rotated about its mounting axis 5.
  • the main catch is shown, in which the locking bolt 3 located in the housing wall inlet slot 2 is enclosed by the inlet slot of the rotary latch so that the locking bolt 3 can no longer be moved out of the housing wall inlet slot 2. The corresponding door or the flap of the vehicle is thus closed.
  • the main catch - pawl 6 is also mounted on the housing wall 1 and can be rotated about its mounting axis 7.
  • the rotary latch 4 may be biased by a spring, not shown, in the open position. Due to such a bias, the rotary latch 4 presses against a stop of the main catch - pawl with an oblique course. This oblique course urges the main catch pawl out of the locking position.
  • the catch is not biased by a spring, then at least the locking pin 3 causes a rotational movement of the rotary latch 4 in the open position according to arrow 22 when an associated vehicle door or vehicle door is opened.
  • the associated torque then urges the main catch pawl 6 out of the locking position.
  • the blocking lever 8 is also mounted on the housing wall 1 and can be rotated about its mounting axis 9.
  • an arm 10b of a spring 10 At a lateral contour region of the blocking lever 8 is an arm 10b of a spring 10 at.
  • the spring 10 is biased so that the arm 10b of the spring 10 urges the blocking lever 8 in the direction of the blocking position shown (in the direction of arrow 11).
  • the rotational movement of the blocking lever 8 caused thereby is limited, as shown, by a stop 12, which is fastened to the housing wall 1 in the form of a protruding bolt.
  • the spring 10 is mainly arranged laterally next to the blocking lever 8 and next to a Vorrastsperrklinke to allow a low height. Only one arm 10a of the spring 10 extends beyond the blocking lever 8.
  • the pre-locking pawl 13 comprises a bolt 14, which extends from the pre-locking pawl in the direction of the housing wall 1. At this pin 14 of the other arm 10a of the spring 10 abuts. The other arm 10a of the spring 10 pushes in the direction of the bolt 14 along the arrow 15. In the main catch of the bolt 14 also bears on a lateral contour region of the blocking lever 8 in order to avoid opening noise. If the pre-locking pawl 13 is rotated in the direction of the arrow 16, the bolt 14 causes the blocking lever 8 is rotated out of the blocking position.
  • the spring arm 10a is also moved. This facilitates the rotation of the blocking lever 8 through the pre-catch pawl 13 from the blocking position because there is no need to overcome counter-pressure of the spring arm 10b. If the blocking lever 8 is thus moved out of the blocking position, the main-locking pawl 6 is urged out of its shown locking position by the rotary latch. Additionally or alternatively detects a lateral contour portion of the pre-locking pawl 13 as a result of said rotational movement a protruding serving as a stop pin 17 which is mounted on the main catch pawl 6. This has the consequence that the main locking pawl 6 is rotated out of the illustrated locking position and releases the catch. This then pivots in the direction of the arrow 22 in the direction of the open position and finally releases the locking pin 3. The associated door or flap can then be opened.
  • the pre-locking pawl 13 may also lock the catch 4 when a protruding pin 18 of the catch 2 impinges on the lateral contour area 19 of the pre-locking pawl 13 and thus prevents rotation of the pawl in the open position according to arrow 22.
  • the pre-locking pawl 13 is biased by a spring, not shown, in the direction of the rotary latch and thus in the direction of its locking position.
  • a protruding pin 20 serving as a stopper mounted on the housing wall 1 prevents further rotation of the pre-locking pawl beyond its locking position.
  • the main catch pawl 6 is preferably not spring loaded.
  • the main catch pawl 6 is then instead rotated by moving the catch 4, the pre-locking pawl 13 and the blocking lever 8 suitably, for example, by a rotational movement of the blocking lever 8 in the locking position (main catch).
  • the corresponding rotation of the blocking lever is effected by the controlled bias of the spring 10.
  • this bias is controlled by appropriately moving the pre-locking pawl and thus provided. Loses that Spring with which the pre-locking pawl is pressed in the direction of its locking position, their effect, so it eliminates the bias that pushes the blocking lever in the blocking position and thus at the same time the main locking pawl towards locking position towards the catch. If an associated vehicle door or vehicle door is closed, the main-locking pawl can no longer engage in the locking position and the corresponding door or flap can not be closed
  • hook-shaped endings 6b and 8a have proven to be particularly suitable.
  • the head of the hook 6b of the main catch pawl acts as a stopper for the catch.
  • the hook tip of the hook 6b is blocked by the head of the hook 8a in the main branch. If the blocking lever 8 is rotated out of the blocking position, the two hooks 6b and 8a engage in one another. Overall, the desired movement can be ensured so particularly reliable.
  • the hooks also cause the lever arm 8b of the blocking lever, which is acted on by the spring 10, to be pressed particularly far outward by the hook 6b when the rotary latch is moved to the open position.
  • This lever arm of the blocking lever is then no longer on the bolt 14, whereby the bias voltage is increased, which then presses the blocking lever in the blocking position in the open position of the catch.
  • This increase in the bias by the spring 10 (as the corresponding lever arm 8b moves away from the bolt 14) is not caused by turning the pre-locking pawl 13, but by turning the main-latch pawl 6 in the direction of the arrow 16 from its locking position out.
  • This rotation of the main-locking pawl is in turn effected by turning the rotary latch 4 in the opening direction along the arrow 22.
  • the force required for corresponding rotation of the rotary latch 4 is preferably provided by a sufficiently biased spring, so that the provision of a large bias by the spring 10 in the open position does not affect the force, with the pre-locking pawl 13 must be rotated to unlock the locking mechanism.
  • pre-locking pawl 13 In order to turn the pre-locking pawl 13 out of its locking position so as to unlock the lock, it is grasped and turned on a handle portion 21.
  • the detection and rotation of the pre-locking pawl 13 can be done by means of a motor or by manual operation.
  • FIG. 3 the position of the rotary latch 4, the main locking pawl 6, the blocking lever 8, the spring 10 and the locking pin 3 is illustrated in the open position.
  • the position of the pre-locking pawl 13 is sketched by a transparent representation.
  • the locking pin 3 can now be moved out of the inlet slot and the associated door or flap can be opened.
  • the tip of the hook 6b of the main catch pawl pushes the hook-shaped lever arm 8a and thus also the lever arm 8b of the blocking lever 8 far outward.
  • the spring arm 10b is thus also pressed far outward and the spring 10 is highly biased overall.
  • the lateral tip 4b of the lateral contour 4a which extends to the corner point 4c, ensures that the lever 8b is pushed particularly far outward by the hook 6b and thus the spring 10 is particularly strongly biased.
  • the FIG. 3 also illustrates that the pre-locking pawl 13 does not contribute to the increased bias of the spring 10.
  • Allerding also slides the bolt-shaped stop 14 in the direction of lateral contour 19 of the pre-locking pawl 13 and so finally releases the pre-locking pawl 13 so that it finally rotates in the direction of locking position due to their bias and thereby the bias of the spring 10 back in then desirably increased.
  • FIG. 4 an intermediate position between the open position and closed position of the rotary latch 4 is shown. If the rotary latch 4 is rotated a little further in the direction of the closed position by the bolt 3, then the pre-locking pawl 13, which in turn is shown transparently, engages in its locking position and then tightens the spring 10 more strongly. The back of the hook 6b is pressed by the lever arm 8a of the biased by the spring 10 blocking lever 8 against the lateral contour portion 4a of the rotary latch.
  • the blocking lever comprises two lever arms 8b, 8c which extend in opposite directions as viewed from the rotation axis 9 of the blocking lever.
  • the short lever arm 8c tends to be slightly thicker than the longer lever arm 8b, so as to shift the center of gravity in the direction of the axis of rotation 9.

Landscapes

  • Lock And Its Accessories (AREA)

Claims (8)

  1. Serrure destinée à un véhicule à moteur, comprenant un mécanisme d'encliquetage composé d'un pêne tournant et d'au moins un cliquet, notamment d'un cliquet de pré-encliquetage (13) pour un premier verrouillage du pêne tournant et d'un cliquet d'encliquetage principal (13) pour un verrouillage suivant du pêne tournant, comprenant un levier de blocage rotatif (8), qui bloque l'au moins un cliquet (6), si celui-ci verrouille le pêne tournant (4), le levier de blocage comprenant deux bras de levier (8b, 8c), qui s'étendent, vus à partir de l'axe de rotation (9), essentiellement dans des directions opposées, caractérisée en ce que le levier de blocage est muni d'un troisième bras de levier (8a) pour déplacer et bloquer le cliquet (6), et que le troisième bras de levier est plus court que les deux autres bras de levier (8b, 8c).
  2. Serrure selon la revendication 1, dans laquelle un ressort (10) agit sur l'un des deux bras de levier (8b) opposés pour déplacer le levier de blocage (8) dans la position de blocage par force du ressort.
  3. Serrure selon l'une des revendications précédentes, dans laquelle une butée (12) est prévue pour l'un des deux bras de levier (8c) opposés, laquelle butée est atteinte par le bras de levier (8c), si le levier de blocage prend sa position de blocage.
  4. Serrure selon la revendication précédente, dans laquelle aucun ressort ne presse contre le bras de levier (8c), qui est susceptible d'être déplacé contre une butée.
  5. Serrure selon l'une des revendications précédentes, dans laquelle un ressort (10) agit sur un bras de levier (8b) et ce bras de levier est le plus long bras de levier du levier de blocage.
  6. Serrure selon la revendication précédente, dans laquelle le levier de blocage peut être précontraint par un cliquet de pré-encliquetage (13) précontraint, de sorte que le levier de blocage peut déplacer le cliquet d'encliquetage principal dans la position de verrouillage.
  7. Serrure selon l'une des revendications précédentes, comprenant un ressort (10), qui est serré entre le cliquet de pré-encliquetage (13) et le levier de blocage (8), et qui peut déplacer le levier de blocage (8) par moyen de précontrainte, la précontrainte pouvant être fournie par le déplacement du premier cliquet (13).
  8. Serrure selon la revendication précédente, dans laquelle le levier de blocage (8) peut, à l'aide de sa précontrainte, déplacer le cliquet d'encliquetage principal (6) dans la position de verrouillage.
EP09761787.2A 2008-06-13 2009-06-12 Serrure a levier de blocage et centre de gravite reequilibre Active EP2304139B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11170170.2A EP2400088B1 (fr) 2008-06-13 2009-06-12 Serrure avec un levier de blocage à centre de gravité rééquilibré

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200810028256 DE102008028256A1 (de) 2008-06-13 2008-06-13 Schließvorrichtung mit zwei Sperrklinken und motorisch angetriebenen Stellantrieb
PCT/EP2009/057287 WO2009150225A2 (fr) 2008-06-13 2009-06-12 Serrure à levier de blocage et centre de gravité rééquilibré

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP11170170.2A Division EP2400088B1 (fr) 2008-06-13 2009-06-12 Serrure avec un levier de blocage à centre de gravité rééquilibré
EP11170170.2A Division-Into EP2400088B1 (fr) 2008-06-13 2009-06-12 Serrure avec un levier de blocage à centre de gravité rééquilibré

Publications (2)

Publication Number Publication Date
EP2304139A2 EP2304139A2 (fr) 2011-04-06
EP2304139B1 true EP2304139B1 (fr) 2018-03-21

Family

ID=41219055

Family Applications (3)

Application Number Title Priority Date Filing Date
EP20090761306 Active EP2291568B1 (fr) 2008-06-13 2009-05-26 Dispositif de verrouillage comportant deux cliquets et un mécanisme de commande à entraînement motorisé
EP09761787.2A Active EP2304139B1 (fr) 2008-06-13 2009-06-12 Serrure a levier de blocage et centre de gravite reequilibre
EP11170170.2A Active EP2400088B1 (fr) 2008-06-13 2009-06-12 Serrure avec un levier de blocage à centre de gravité rééquilibré

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP20090761306 Active EP2291568B1 (fr) 2008-06-13 2009-05-26 Dispositif de verrouillage comportant deux cliquets et un mécanisme de commande à entraînement motorisé

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP11170170.2A Active EP2400088B1 (fr) 2008-06-13 2009-06-12 Serrure avec un levier de blocage à centre de gravité rééquilibré

Country Status (5)

Country Link
US (1) US8757679B2 (fr)
EP (3) EP2291568B1 (fr)
CN (1) CN102084073B (fr)
DE (2) DE102008028256A1 (fr)
WO (2) WO2009149684A1 (fr)

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Also Published As

Publication number Publication date
DE102008028256A1 (de) 2009-12-24
EP2304139A2 (fr) 2011-04-06
EP2400088A1 (fr) 2011-12-28
EP2400088B1 (fr) 2017-03-22
CN102084073B (zh) 2013-03-27
EP2291568A1 (fr) 2011-03-09
DE502009014839C5 (de) 2024-03-07
US20110204690A1 (en) 2011-08-25
US8757679B2 (en) 2014-06-24
EP2291568B1 (fr) 2013-07-10
WO2009150225A2 (fr) 2009-12-17
WO2009150225A3 (fr) 2011-03-03
CN102084073A (zh) 2011-06-01
WO2009149684A1 (fr) 2009-12-17

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