EP2304139A2 - Serrure a levier de blocage et centre de gravite reequilibre - Google Patents

Serrure a levier de blocage et centre de gravite reequilibre

Info

Publication number
EP2304139A2
EP2304139A2 EP09761787A EP09761787A EP2304139A2 EP 2304139 A2 EP2304139 A2 EP 2304139A2 EP 09761787 A EP09761787 A EP 09761787A EP 09761787 A EP09761787 A EP 09761787A EP 2304139 A2 EP2304139 A2 EP 2304139A2
Authority
EP
European Patent Office
Prior art keywords
pawl
lever
locking
blocking
spring
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.)
Granted
Application number
EP09761787A
Other languages
German (de)
English (en)
Other versions
EP2304139B1 (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
Family has litigation
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(A2) "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
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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 known from the publication DE 1 0 2007 003 948 Al.
  • 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 flap 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 required in the known from the document DE 1 0 2007 003 948 Al lock for the main catch pawl, as the catch and the main catch pawl so are designed so that the pawl in the main catch urges the Hauptastast- pawl from the locking position.
  • rotatably mounted blocking lever is biased by a spring. Due to this bias, the blocking lever exerts pressure on the main catch pawl towards the catch when the catch is not in the main catch position. This pressure is responsible for moving the main latch pawl into its latching position when the latch reaches the main latch. The bias then continues to ensure that the blockage lever is finally moved to the blocking position, so that the vehicle door or vehicle door is so completely closed.
  • 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. After that, the film turns
  • Rotary latch 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.
  • Vorrast pawl known from the document DE 1 0 2007 003 948 Al is biased by a spring in the direction of the rotary latch. This bias ensures that the pre-locking pawl gets into its locking position when the required position is achieved by appropriate rotation of the rotary latch. It is an object of the invention to provide a well-functioning lock for a motor vehicle.
  • the claimed castle 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 Haupttrast- pawl for 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 axis of rotation, extend substantially in opposite directions.
  • 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 lock works accordingly improved.
  • this lever arm acts on one of the two 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 can easily cause the desired rotational movement of the Block ⁇ dehebels.
  • 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.
  • the blocking lever has a third lever arm, which is preferably hook-shaped, which is relatively short and / or for reasons stated below.
  • This lever arm is preferably relatively short, d. H . shorter than the other two mentioned lever arms to shift the center of gravity as little as possible away from the axis of rotation.
  • This third lever arm is configured hook-shaped in particular for the reasons mentioned.
  • FIG. 1 closed position of a lock with transparently displayed Vorrast- pawl
  • FIG. 2 closed position of the lock from FIG. 1
  • FIG. 3 Opening position of the lock from FIG. 1
  • FIG. 4 intermediate position of the lock from FIG. 1
  • FIG. 1 shows a plan view of a housing wall 1 of a vehicle lock.
  • 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 load is shown, in which the locking bolt 3 located in the housing wall inlet slot 2 is so enclosed by the inlet slot of the rotary latch that the locking pin 3 can not 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 blocking lever 8 is also mounted on the housing wall 1 and can be rotated about its mounting axis 9.
  • the spring 1 0 is biased so that the arm 1 Whether the spring 1 0 the blocking lever 8 in the direction of the blockage position shown (in the direction of arrow 1 1) urges.
  • the rotational movement of the blocking lever 8 caused thereby is limited as shown by a stop 1 2 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 1 0a of the spring 1 0 extends beyond the blocking lever 8 away.
  • a pre-locking pawl is arranged above the main catch pawl 6, a pre-locking pawl is arranged. This is also rotatably mounted on the axis 7 and can therefore be rotated about this axis 7.
  • the pre-locking pawl 1 3 comprises a bolt 1 4, which extends from the pre-locking pawl in the direction of the housing wall 1.
  • the other arm 1 0a of the spring 1 0 presses in the direction of the bolt 1 4 along the arrow 1 5.
  • In the main load of the bolt 1 4 also bears on a lateral contour portion of the blocking lever 8 to avoid opening noise. If the pre-locking pawl 1 3 is rotated in the direction of arrow 1 6, the pin 1 4 causes the blocking lever 8 is rotated out of the blocking position.
  • the spring arm 1 0a is due to the rotational movement of the pre-locking pawl 1 3 moves with. This facilitates the rotation of the blocking lever 8 by the pawl 1 3 for the pre-locking out of the blocking position, because no back pressure of the spring arm 1 0b is overcome. 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 1 3 as a result of said rotational movement a protruding serving as a stop pin 1 7, 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 1 3 can also lock the catch 4 when a protruding pin 1 8 of the catch 2 impinges on the lateral contour portion 1 9 of the pre-locking pawl 1 3 and thus prevents rotation of the pawl in the direction of open arrow 22.
  • the pre-locking pawl 1 3 is biased by a spring not shown in the direction of the catch 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 solely by moving the catch 4, the pre-locking pawl 1 3 and the blocking lever 8, so for example by a rotational movement of the blocking lever 8 in the locking position (main catch) into it.
  • the corresponding rotation of the blocking lever is effected by the control provided bias of the spring 1 0.
  • this bias is controlled by appropriately moving the pre-locking pawl and thus provided. Loses that Spring, with the Vorr ⁇ st pawl is pressed in the direction of its locking position, their effect, so eliminating 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 1 4, whereby the bias 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 1 0 (by the corresponding lever arm 8 b away from the bolt 1 4) is not effected by turning the pre-locking pawl 1 3, but by turning the main locking pawl 6 in the direction of arrow 1 out of their locking position.
  • 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 the corresponding rotation of the rotary latch 4 is preferably provided by a sufficiently strongly 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 Vorr ⁇ st pawl 1 3 must be rotated to unlock the locking mechanism.
  • pre-locking pawl 1 3 In order to rotate the pre-locking pawl 1 3 out of its locking position, so as to unlock the lock, it is detected at a handle portion 21 and rotated.
  • the detection and rotation of the pre-locking pawl 1 3 can be done by means of a motor or by manual operation.
  • FIG. 2 the lock of FIG. 1 is shown.
  • the pre-locking pawl 1 3 is now not shown transparent. This therefore partially obscures, in particular, the main catch pawl 1 3.
  • the position of the rotary latch 4, the main latch pawl 6, the blocking lever 8, the spring 1 0 and the locking pin 3 is illustrated in the open position.
  • the position of the pre-locking pawl 1 3 is outlined 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 1 0b is thus also pressed far outward and biased the spring 1 0 total strong.
  • 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 figure 3 also illustrates that the pre-locking pawl 1 3 does not contribute to the increased bias of the spring 1 0.
  • Allerding also slides the bolt-shaped stop 1 4 in the direction of lateral contour 1 9 of the pre-locking pawl 1 3 and so finally releases the pre-locking pawl 1 3 so that it finally rotates in the direction of locking position due to their bias and thereby the bias of Spring 1 0 again increased in the desired manner.
  • 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)

Abstract

Serrure pour un véhicule à moteur, qui comporte un dispositif d'encliquetage composé d'un pêne pivotant et d'au moins un loquet de blocage, en particulier d'un loquet de blocage préalable (13) pour un premier verrouillage du pêne pivotant et d'un loquet de blocage principal (6) pour un verrouillage ultérieur du pêne pivotant, ainsi qu'un levier de blocage (8) rotatif qui bloque le loquet de blocage (6) lorsque ce dernier verrouille le pêne pivotant (4). Ladite serrure est caractérisée en ce que le levier de blocage comporte deux bras de levier (8b, 8c) qui s'étendent à partir de l'axe de pivotement (9) dans des directions sensiblement opposées.
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-Into EP2400088B1 (fr) 2008-06-13 2009-06-12 Serrure avec un levier de blocage à centre de gravité rééquilibré
EP11170170.2A Division 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 true EP2304139A2 (fr) 2011-04-06
EP2304139B1 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
EP11170170.2A Active EP2400088B1 (fr) 2008-06-13 2009-06-12 Serrure avec un levier de blocage à centre de gravité rééquilibré
EP09761787.2A Active EP2304139B1 (fr) 2008-06-13 2009-06-12 Serrure a levier de blocage et centre de gravite reequilibre

Family Applications Before (2)

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
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
WO2009150225A2 (fr) 2009-12-17
CN102084073A (zh) 2011-06-01
EP2291568B1 (fr) 2013-07-10
WO2009149684A1 (fr) 2009-12-17
US20110204690A1 (en) 2011-08-25
DE102008028256A1 (de) 2009-12-24
EP2400088A1 (fr) 2011-12-28
US8757679B2 (en) 2014-06-24
EP2304139B1 (fr) 2018-03-21
WO2009150225A3 (fr) 2011-03-03
EP2291568A1 (fr) 2011-03-09
CN102084073B (zh) 2013-03-27
EP2400088B1 (fr) 2017-03-22
DE502009014839C5 (de) 2024-03-07

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