EP2823120B1 - Schloss für eine klappe oder tür - Google Patents

Schloss für eine klappe oder tür Download PDF

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Publication number
EP2823120B1
EP2823120B1 EP13719261.3A EP13719261A EP2823120B1 EP 2823120 B1 EP2823120 B1 EP 2823120B1 EP 13719261 A EP13719261 A EP 13719261A EP 2823120 B1 EP2823120 B1 EP 2823120B1
Authority
EP
European Patent Office
Prior art keywords
lever
pawl
arm
catch
lever arm
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
EP13719261.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2823120A1 (de
Inventor
Michael Scholz
Armin Handke
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 EP2823120A1 publication Critical patent/EP2823120A1/de
Application granted granted Critical
Publication of EP2823120B1 publication Critical patent/EP2823120B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/20—Bolts or detents
    • 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
    • E05B77/34—Protection against weather or dirt, e.g. against water ingress
    • 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
    • Y10T292/108—Lever

Definitions

  • the invention relates to a lock for a flap or a door having the features of the preamble of claim 1.
  • the door or flap may be a door or flap of a motor vehicle or a building.
  • the aforementioned lock comprises a locking mechanism with a catch and at least one pawl, with which the catch can be locked in a closed position.
  • the rotary latch In a closed position, the rotary latch is able to hold a locking bolt of a door or a flap, so that the door or flap can not be opened. If the catch is in an open position, the locking bolt can leave the locking mechanism and the door or flap can be opened.
  • the publication DE 10 2010 003 483 A1 discloses a ratchet in which the catch introduces an opening moment into the pawl when the pawl locks the catch in the main catch position.
  • the rotary latch may introduce such torque into the pawl due to a door seal pressure and / or due to a biased spring capable of rotating the catch to its open position and / or by opening an associated door or flap.
  • the pawl can be moved out of its rest position.
  • there is a blocking lever that is able to block the removal of the pawl from its rest position. To open such a locking mechanism, the blocking lever is pivoted out of its blocking position by means of a release lever.
  • the release lever For a lock it may be sufficient to pivot the release lever, for example, by only 9 ° in order to move the blocking lever out of its blocking position. In general, then the opening moment is sufficient, which is introduced by the catch in the pawl to detent the locking, so to open it.
  • Dust, tolerances in the actuating chain of the ratchet and / or the trigger lever and / or lack of pressure from the door seal rubber can cause no or insufficient torque is introduced from the catch into the pawl to release the pawl of the catch and the Lock so open. It must then be exerted an additional force on the associated door or flap to overcome the static friction between the catch and pawl or to open the door.
  • the locking mechanism can be opened due to the driver, the provided for example on the trigger lever driver must be able to be pivoted over a sufficiently large angle. Regularly sufficient is an angle of up to 20 °, in particular to 30 °, for example, about 12 °, to move a pawl completely due to the driver completely out of its detent position.
  • a release lever of a locking mechanism is basically pivoted by operating a handle.
  • the handle may be an inside door handle or an outside door handle of a motor vehicle.
  • Such a handle is usually connected via a linkage or a Bowden cable with the release lever, so as to pivot the trigger lever by pressing the handle. If the tolerances increase over the service life of the lock, or if the linkage or the Bowden cable is worn out, this can cause the Reduce swivel range by which the release lever can be swiveled by operating a handle. Due to such signs of aging, it can happen that a lock can not be opened anymore.
  • the pivoting angle of the trigger lever is no longer sufficient to mechanically move the pawl out of the engagement region of the catch. If in this case it happens that, for example due to dusts between the contact surfaces of the rotary latch and pawl, the locking mechanism no longer opens automatically. To open the lock or detent the locking mechanism, it is then necessary to introduce an additional force into the lock. An additional force can be introduced, for example, by pulling or pushing on the door in the lock.
  • the DE 10 2007 003948 A1 discloses a lock unit for a motor vehicle comprising a rotary latch, a pawl and a blocking lever.
  • the blocking lever sets the pawl in its locked position.
  • a release lever is engageable with the blocking lever and the rotary latch and can be pivoted such that the blocking lever is moved and the lock unit is released from its locking position.
  • the DE 10 2008 034638 A1 also discloses a lock unit for a motor vehicle comprising a rotary latch and a first pawl.
  • the rotary latch and pawl are arranged such that a torque is generated, which causes an opening of the pawl.
  • a blocking lever is used to fix the pawl in a region of a main catch.
  • a second pawl which is in direct engagement with the blocking lever, can be pivoted so that the locked state of the locking mechanism is released.
  • the GB 2 480 860 Describes a locking unit for vehicle doors and essentially comprises a pivotable rotary latch, a Pawl, which is in direct contact with the catch and holds it in a closed state.
  • a multi-part release lever holds the catch on a contact bearing in a secure state.
  • the DE 10 2010 003491 A1 describes a lock unit for vehicles with a catch, a pawl, a blocking lever and a release lever.
  • the DE 41 19 703 C1 describes a lock unit for vehicles. In this case, the opening process and thus the pivoting of the catch is initiated by the release lever.
  • the lock according to claim 1 for a door or flap preferably for a motor vehicle or a building comprises a catch of rotary latch, blocking lever and at least one pawl for locking the catch.
  • the catch and the pawl are preferably such that the catch is able to initiate an opening torque into the pawl.
  • the locking mechanism has a release lever for opening the locking mechanism.
  • There is also a pivoting movement of the release lever magnifying translation device comprising a transmission lever for moving the pawl out of its detent position by means of a driver.
  • the translation device increases the rotational movement of the release lever such that a rotational movement of the release lever of up to 20 °, preferably of up to 16 °, more preferably of up to 14 °, for example 13.5 ° is sufficient to to move the pawl completely out of its detent position with the aid of the driver.
  • a rotational movement of the release lever of at least 8 °, preferably of at least 10 °, more preferably of at least 12 ° is required to move the pawl by means of the driver out of its detent position.
  • the release lever according to the invention has two lever arms of the transmission lever, namely a short lever arm and a comparatively long lever arm, which can be pivoted about a common axis.
  • the release lever can pivot the free end of the short lever arm so that the free end of the long lever arm, the pawl can be moved out of its detent position.
  • the long lever arm is at least 1.5 times longer than the short lever arm to properly increase the pivotal movement.
  • the long lever arm is not more than 2.5 times longer than the short lever arm in order to optimize the space required and suitably keep the force that must be expended for moving the pawl out of its rest position.
  • the long lever arm or its end serves as a driver for the pawl.
  • the lever arm of the release lever which is able to move the lever arm of the transmission lever, long compared to this lever arm of the transmission lever.
  • Said lever arm of the release lever is preferably at least 1.5 times as long as said lever arm of the transmission lever. It is sufficient that the said lever arm of the transmission lever is not longer than 2.5 times as long as said lever arm of the transmission lever in order to keep the installation space small.
  • the lever arm of the transmission lever which is able to move the pawl, is preferably long in comparison to the lever arm of the pawl, which is moved by the transmission lever in order to achieve a favorable transmission ratio.
  • this lever arm of the transmission lever is at least 1.5 times as long as this lever arm of the pawl.
  • this lever arm of the transmission lever is not longer than 2.5 times as long as this lever arm of the pawl.
  • gear ratios of a length of a lever arm it is meant the distance of an arm physically acting as a lever together.
  • the actual length of an arm may therefore be longer than the physically effective lever arm.
  • the long and the short lever arm of the transmission lever form an acute angle, which is preferably less than 40 °, particularly preferably less than 30 °, in order to be able to provide the transmission lever with little installation space.
  • the transmission lever has three lever arms. Two lever arms, namely a long and a comparatively short lever arm are used for the translation in order to be able to move the pawl out of its detent position by means of the translation.
  • the third Lever arm serves to cause the movement of the pawl into its locked position into or at least support. If a lock is closed very quickly, for example, when an associated door or flap of a motor vehicle is thrown and another door or flap is still open, it can happen that the catch opens again before the pawl engages in the main catch. It comes to the so-called bouncing. The door opens again. This bouncing can be prevented by the third lever arm, if this at least supports the movement of the pawl into its locking position.
  • the two outer lever arms, between which one of the three lever arms is located form an acute angle, which is preferably less than 40 °, more preferably less than 30 °, in order to provide the transmission lever with a small space.
  • all lever arms close to each other an acute angle.
  • the lever arm which is able to prevent bouncing, on the pawl when it is in its rest position and the ratchet is locked.
  • the lever arm which is able to prevent the bouncing, close to the end of the lever, which is located at the axis of rotation, so as to allow a small installation space.
  • the distance between the free end of the lever arm, which is able to prevent the bouncing and the free end of the lever arm of the pawl, which does not serve the locking of the catch directly, then is greater than the distance between the pivot point of the pawl and the free end of the lever arm who is able to stop the bouncing.
  • the length of the lever arm of the release lever is in particular longer than the length of the lever arm of the release lever, which acts on the lever arm of the release lever to prevent the bounce. It depends again on the physically effective lever lengths. Although this is due to less favorable leverage forces relatively small, which then oppose a bounce can be. However, a large force is not required because only bouncing should be prevented. It is therefore preferable to pay attention to small space instead of a large force.
  • a spring is provided which is able to move the lever arm of the transmission lever, with which a bouncing can be prevented in the direction of the pawl, so as to counteract bouncing particularly reliable.
  • pawl and release lever of the locking mechanism are rotatably mounted on a common axis in one embodiment.
  • the catch is biased by a spring in the direction of the open position in order to pivot it by spring force into its open position and to be able to initiate an opening moment in the pawl in one embodiment, even without the presence of a door seal pressure.
  • the release lever can move a blocking lever of the locking mechanism out of its blocking position.
  • a relatively small amount of force is sufficient. If the pawl subsequently moves due to an opening moment, which is introduced by the catch into the pawl, out of its detent position, it is advantageous overall very little effort that must be expended for opening the locking mechanism.
  • blockage lever there is a spring for moving the blockage lever to its blocking position.
  • the blocking lever can be moved by the spring in its blocking position.
  • blockage lever and pawl are designed so that by moving the Blockade lever in its blocking position, the pawl is thereby simultaneously moved to its locked position. The number of parts needed is minimized further. This goes hand in hand with a reduction in weight as well as a reduction in the installation space.
  • the release lever comprises in one embodiment three lever arms.
  • a first lever arm in particular a blocking lever is moved from its blocking position for unlocking the locking mechanism.
  • the transmission lever is pivoted.
  • the release lever is pivoted, for example by means of a linkage or Bowden cable and preferably by means of a handle and / or an electric drive connected thereto.
  • the handle is actuated or the electric drive is actuated, the third lever arm is pivoted to open the locking mechanism.
  • a lever arm of the release lever, in particular the first lever arm is able to lock the catch in one embodiment in the position Vorrast.
  • the catch in this embodiment may include a protruding pin or arm for latching the catch in the pre-engaged position.
  • the pawl preferably comprises two lever arms, which preferably enclose an angle of less than 180 ° and / or greater than 90 °. With a lever arm, the catch is locked. On the other lever arm, a mechanism such as a preloaded spring acts to move the pawl by means of the mechanism, so for example a preloaded spring in its locked position can.
  • This another lever arm of the pawl is preferably detected by the driver of the release lever for unlocking the locking mechanism and moved accordingly, in particular pivoted about an axis.
  • a blocking lever for blocking the pawl in its latched position preferably comprises two lever arms.
  • a first lever arm of the blocking lever is able in particular to block the pawl in its latched position and / or to move the pawl into its latched position.
  • this first lever arm can advantageously also be detected in one embodiment of the release lever and moved out of its blocking position, in particular to be pivoted about an axis.
  • the second lever arm of the blocking lever can preferably be moved against a stop, in order to avoid that the blocking lever can be moved beyond an intended end position.
  • the provision of a second lever arm also contributes advantageously in that the center of gravity of the blocking lever is displaced in the direction of the axis about which the blocking lever can be pivoted. This shift of the center of gravity facilitates pivoting of the blocking lever.
  • the two lever arms of the blocking lever in turn enclose an angle greater than 90 ° and / or less than 180 °.
  • the driver which is able to move the pawl completely out of its detent position, causes in one embodiment of the invention, the moving out only when the pawl is not 4sbststieri due to an opening moment out of its detent position moves out.
  • the release lever is in one embodiment at the same time a pre-locking pawl, which is able to lock the catch in the position Vorrast.
  • the locking mechanism can then close a door or flap. It is then not yet scheduled locked in the position main rest.
  • the position of the main catch is only reached starting from the position of the first catch when the catch is pivoted further in the direction of the closed position.
  • An inventive locking mechanism is mounted in particular on a usually made of metal lock plate or a usually made of metal lock case.
  • a lock also includes a lock housing, which is usually made of plastic and which is able to shield components of the castle to the outside.
  • a particular existing plastic lock cover and / or a particular existing plastic cover for a central locking which also serve the shield.
  • the lock may, for example, belong to a door or a flap of a building or the door or a flap of a motor vehicle.
  • the invention also includes such a lock with a pawl for the position of the main catch of the catch (also called “main pawl”), a pawl for the position Vorrast the catch (also called “pre-locking pawl”) and advantageously a blocking lever for said Main ratchet pawl.
  • a lock is in print DE 10 2008 061 524 A1 mentioned.
  • a lock according to the invention can also only a pawl for locking next to a blocking lever the catch in a position "Vorrast” and a position "Haupastast” include.
  • the catch has a fork-shaped inlet slot into which a locking pin of a door or flap enters when the vehicle door or vehicle door is closed.
  • the locking pin then rotates the catch from an open position to a locked position. In the locked position, the locking bolt can no longer leave the inlet slot of the rotary latch.
  • the pawl locks the catch in the locked position, so that it can not be moved back into the open position.
  • a lock there are components such as pawl, blocking lever or rotary latch, which can and should be pivoted.
  • components such as pawl, blocking lever or rotary latch, which can and should be pivoted.
  • prestressed spring in particular leg spring, with which a desired pivoting movement of such a component is effected by spring force.
  • Such a prestressed spring is capable, for example, of moving a pawl into its detent position, of moving a blocking lever into its blocking position or of turning a catch into its open position.
  • catch, pawl and blocking lever In a lowermost level, in particular adjacent to a preferably made of metal lock plate or a metal lock case can be arranged catch, pawl and blocking lever.
  • the gear lever may be disposed in a plane located between the lowermost plane and the plane in which the trigger lever is located. But other arrangements are possible.
  • FIG. 1 a locking mechanism comprising a rotary latch 1, a pawl 2, a blocking lever 3 and a release lever 4 is shown.
  • the rotary latch 1 can be pivoted about its axis 5.
  • the pawl 2 and the release lever 4 can be pivoted about their common axis 6.
  • the blocking lever 3 can be pivoted about its axis 7.
  • the catch 1, the pawl 2 and the blocking lever 3 are located in a common first plane.
  • the release lever 4 is in another second level.
  • the locking mechanism further comprises a transmission lever 8 with three lever arms 9, 10 and 11.
  • the transmission lever 8 can be pivoted about its axis 12.
  • the transmission lever 8 is located in a further third level.
  • the three lever arms 9,10 and 11 close to each other at an acute angle and that also the outer lever arms 10 and 11.
  • a lever arm starts at the pivot point of the axis 12 and ends in the end region, which is able to abut as described below on another component.
  • the ratchet is shown in the position main rast.
  • the lever arm 13 of the pawl 2 is applied to the catch arm or main latch arm 14 of the catch 1 and prevents so that the catch 1 can be moved in the clockwise direction in the open position.
  • the catch 1 rests with its catching arm 14 on the lever arm 13 so that an opening moment is introduced into the pawl 2.
  • a lever arm 15 of the blocking lever 3 blocks the lever arm 13 of the pawl 2 and prevents so that the pawl 13 can be moved out of its rest position due to the opening moment in a clockwise direction.
  • the lever arm 16 of the blocking lever 3 abuts against the stop 17 and thus prevents the blocking lever 3 from being able to be pivoted clockwise beyond its blocking position.
  • the lever arm 15 is in particular so shaped and can rest on the lever arm 13 of the pawl 2 side, that this lever arm 15, the lever arm 13 of the pawl 2 is pivoted into its locked position when the blocking lever 3 is moved to its blocking position.
  • a biased spring not shown, which is able to move the pawl 2 in its locked position.
  • a lever arm 19 of the release lever 4 can be pivoted clockwise so that it detects the bolt 18 and so the blocking lever 3 can be pivoted out of its blocking position.
  • the lever arm 19 also serves to lock the catch 1 in the position pre-rest.
  • the rotary latch 1 has a bolt 20 projecting in the direction of the second plane, which bears against the lever arm 19 in the pre-locking position. The release lever 4 is therefore at the same time a pre-locking pawl.
  • a handle linkage or a Bowden cable is connected to the lever arm 21 of the release lever 4 so that it can be pivoted about the release lever 4 for opening the locking mechanism in a clockwise direction. If the handle is pressed, the locking mechanism is opened.
  • the end of the lever arm 11 of the transmission lever 8 extends into the first level and has as clearance a small distance to the lever arm 22 of the pawl 2 in the position of main rest. This end of the lever arm 11 serves as a driver to move the pawl 2 out of its detent position when the pawl is not moved out of its detent position due to an opening moment.
  • the lever arm 11 is about 1.8 times longer than the lever arm 10. If the locking mechanism is opened, the lever arm 23 of the release lever 4 detects the end of the lever arm 10 and pivots the transmission lever 8 thereby opposite to the clockwise direction and preferably against the spring force of a preloaded spring.
  • FIG. 1 a stop 24 is shown against which the lever arms 22 and 23 can be moved to prevent excessive counterclockwise pivoting of the trip lever 4 and pawl 2.
  • the lever arm 23 of the release lever 4 which is able to move the lever arm 10 of the transmission lever 8, long compared to this lever arm 10 of the transmission lever 8.
  • the lever arm 23 of the release lever 4 is in the case of FIG. 1 about 2 times as long as the lever arm 10 of the transmission lever. 8
  • the lever arm 11 of the transmission lever 8, which is capable of moving the pawl 2 is preferably long in comparison to the physically related length of the lever arm 22 of the pawl 2 associated therewith.
  • This lever arm 11 of the transmission lever is in the case of FIG. 1 about 1.5 times as long as the translation in relation to the physically effective portion of the lever arm 22 of the pawl second
  • FIG. 2 the opening of the locking means using the driver 11 is illustrated.
  • the transmission lever 8 is by the arm 23 which abuts the end of the lever arm 10, compared to FIG. 1 pivoted counterclockwise.
  • the blocking lever 3 has been moved out of its blocking position by the release lever 4 and is now located with its lever arm 15 laterally on the lever arm 13 of the pawl 2.
  • the driver 1 1 is applied to the lever arm 22 of the pawl 2 and has the pawl 2 as completely as shown moved out of its detent position.
  • the catch 1 has already moved a piece in the clockwise direction in the direction of the open position and can now turn freely.
  • the locking mechanism is unlocked.
  • the release lever 4 has pivoted the transmission lever 8 by means of the lever arm 10.
  • the translation is chosen so that the lever arm 10 with pivoted lever arm 11, the pawl 2 has moved out of the engagement region of the rotary latch 1 out.
  • the release lever 4 in this case no longer acts on the blocking lever 3.
  • the blocking lever 3 is further deflected by the pawl 3. As a result, the distance between the pin 18 of the blocking lever 3 and the lever arm 19 of the release lever 4 can be seen.

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  • Lock And Its Accessories (AREA)
EP13719261.3A 2012-03-09 2013-02-16 Schloss für eine klappe oder tür Active EP2823120B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012203734A DE102012203734A1 (de) 2012-03-09 2012-03-09 Schloss für eine Klappe oder Tür
PCT/DE2013/000085 WO2013131502A1 (de) 2012-03-09 2013-02-16 Schloss für eine klappe oder tür

Publications (2)

Publication Number Publication Date
EP2823120A1 EP2823120A1 (de) 2015-01-14
EP2823120B1 true EP2823120B1 (de) 2016-08-03

Family

ID=48224766

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13719261.3A Active EP2823120B1 (de) 2012-03-09 2013-02-16 Schloss für eine klappe oder tür

Country Status (11)

Country Link
US (1) US9777517B2 (ja)
EP (1) EP2823120B1 (ja)
JP (1) JP6307738B2 (ja)
KR (1) KR101984344B1 (ja)
CN (1) CN104169509B (ja)
CA (1) CA2864774A1 (ja)
DE (1) DE102012203734A1 (ja)
IN (1) IN2014DN07002A (ja)
MX (1) MX2014010597A (ja)
RU (1) RU2014136069A (ja)
WO (1) WO2013131502A1 (ja)

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DE102014201808A1 (de) * 2014-01-31 2015-08-06 Kiekert Ag Verfahren für ein Schließen einer Kraftfahrzeughaube
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JP7215153B2 (ja) * 2018-12-26 2023-01-31 株式会社アイシン 車両用ドアロック装置
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CN113494218B (zh) * 2021-07-26 2022-08-16 上海恩井汽车科技有限公司 锁装置及机动车

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DE102010003500A1 (de) * 2010-03-31 2011-10-06 Kiekert Ag Kraftfahrzeugschloss
JP5395730B2 (ja) * 2010-04-20 2014-01-22 株式会社城南製作所 ドアロック装置の解除機構
GB2480860B (en) * 2010-06-04 2014-05-21 Body Systems Usa Llc Latch assembly

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CA2864774A1 (en) 2013-09-12
MX2014010597A (es) 2014-09-18
US20150167363A1 (en) 2015-06-18
CN104169509B (zh) 2016-11-23
EP2823120A1 (de) 2015-01-14
CN104169509A (zh) 2014-11-26
RU2014136069A (ru) 2016-05-10
JP2015513625A (ja) 2015-05-14
KR101984344B1 (ko) 2019-05-30
DE102012203734A1 (de) 2013-09-12
KR20140139514A (ko) 2014-12-05
IN2014DN07002A (ja) 2015-04-10
US9777517B2 (en) 2017-10-03
JP6307738B2 (ja) 2018-04-11
WO2013131502A1 (de) 2013-09-12

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