EP2929113B1 - Serrure pour une coffre ou une porte - Google Patents

Serrure pour une coffre ou une porte Download PDF

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Publication number
EP2929113B1
EP2929113B1 EP13734313.3A EP13734313A EP2929113B1 EP 2929113 B1 EP2929113 B1 EP 2929113B1 EP 13734313 A EP13734313 A EP 13734313A EP 2929113 B1 EP2929113 B1 EP 2929113B1
Authority
EP
European Patent Office
Prior art keywords
pawl
catch
arm
locking mechanism
locking
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
EP13734313.3A
Other languages
German (de)
English (en)
Other versions
EP2929113A2 (fr
Inventor
Michael Scholz
Armin Handke
Michael Herrmann
Karsten Barth
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 EP2929113A2 publication Critical patent/EP2929113A2/fr
Application granted granted Critical
Publication of EP2929113B1 publication Critical patent/EP2929113B1/fr
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
    • E05B17/00—Accessories in connection with locks
    • E05B17/0054—Fraction or shear lines; Slip-clutches, resilient parts or the like for preventing damage when forced or slammed
    • E05B17/0062—Fraction or shear lines; Slip-clutches, resilient parts or the like for preventing damage when forced or slammed with destructive disengagement
    • 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
    • E05B77/02—Vehicle locks characterised by special functions or purposes for accident situations
    • E05B77/04—Preventing unwanted lock actuation, e.g. unlatching, at the moment of collision
    • 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
    • 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
    • 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

Definitions

  • the invention relates to a lock for a flap or a door with the features of the preamble of claim 1.
  • a lock of the aforementioned type is known from the document DE 10 2008 061 524 A1 known.
  • 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 rotary latch and at least one pawl, with which the catch can be locked in a closed position by locking surfaces of pawl and rotary latch.
  • Detent surfaces means the surfaces of the rotary latch and pawl which abut each other for locking the locking mechanism and then have an overlap result.
  • 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.
  • a rotary latch has a load arm and a tentacle.
  • the load arm prevents a locking bolt from leaving a door or a flap. If a door or a flap is closed, the locking pin is moved against the catching arm and pivots it and thus also the catch in the direction of the closed position.
  • 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.
  • an opening Moment the pawl can be moved out of its rest position.
  • a blocking lever which is capable of blocking the removal of the locking pawl from its locking position.
  • the blocking lever is pivoted out of its blocking position by means of a release lever. 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.
  • 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 an angle of 20 ° to 30 °, usually of about 25 ° is required 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 to detent a locking mechanism.
  • 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. Due to age, the rod or the Bowden cable, so this can reduce the pivoting range by which the release lever can be pivoted by pressing a handle. It then threatens that the locking mechanism can no longer reliably open.
  • the publication FR2243314A1 discloses a motor vehicle door closing unit having a door housing provided on the lock housing, the lock operating lever allows both for the operation of the door closing unit from the vehicle interior side and from the vehicle outside.
  • the publication DE102010003483A1 discloses a lock for a motor vehicle having a ratchet comprising a catch, a pre-ratchet pawl, a main-ratchet pawl, a pawl latch for blocking the main ratchet pawl, a catch ratchet pawl driving the main-ratchet catch out of its latched position to turn.
  • the document D 102007003948A1 discloses a lock unit for a motor vehicle comprising at least a rotary latch, a first pawl and a blocking lever, wherein in a locked state of the lock unit, the rotary latch initiates a pivoting moment in the first pawl and the first pawl is fixed by means of the blocking lever, wherein a second pawl provided is mounted on the pawl rotation axis and engageable with the blocking lever and the rotary latch.
  • the publication DE102005035898A1 discloses a rotary latch closure in which the rotary latch comprises a slot. Especially in the case of a vehicle is limited space available. Also, a professional, especially in the case of motor vehicles constantly strives to reduce weights. In a castle, it is therefore important, especially in the case of motor vehicles, to be able to build this small and light.
  • a lock for a door or flap is provided with a locking mechanism of the catch and at least one pawl for locking the catch.
  • the latching surface of the latching arm of the pawl, through which the catch can be locked, is designed to reduce the space and weight so narrow or seen in the pivoting direction short that a pivoting movement of the pawl of up to 16.1 °, preferably up to 14 , 6 °, more preferably of up to 12.9 ° sufficient to detent the locking.
  • the present invention is based on the finding that such a width of a latching surface of a latching arm by no means absolutely necessary to ensure that a locking mechanism can not open even with excessive load. It has therefore been recognized that the width of a latching surface of a latching arm can very well be noticeably narrower in comparison to conventional latching surface widths of a latch in order to be able to save weight and volume.
  • the catch In a conventional locking mechanism, the catch is located with one end of its catching arm in the latched state approximately centrally on a locking surface of the locking arm of the locking pawl serving the latching.
  • the position of the latching surface is changed in comparison in such a way that in the latched state, the distance between the support point of the rotary latch to one end of the latching surface is significantly smaller than the distance to the other end of the latching surface.
  • One end of the locking surface of the pawl is the end which is moved in the direction of support point of the catch in the latched state to unlatch the locking mechanism.
  • the corresponding end of the catching arm of the rotary latch is finally moved over this one end, so that the rotary latch can subsequently be pivoted in the direction of its open position.
  • the entire surface is referred to, which is adapted to prevent the catch from pivoting noticeably in the direction of the open position.
  • the length of the smaller distance is up to 40% of the width of the detent pawl, more preferably up to 30%, to achieve the aforementioned effects.
  • the locking mechanism is in a preferred embodiment such that under excessive load, the rotary latch is deformed such that the rotary latch remains in its locking position and in particular due to a predetermined bending point of the rotary latch.
  • the predetermined bending point is preferably provided on the tentacle. Despite excessive load, the overlap between the rotary latch and pawl is maintained. Preferably, this even increases.
  • the predetermined bending point can also be provided in the load arm in such a way that under excessive load a distance of the ends of the load arm and catch arm is increased.
  • the predetermined bending point is usually to be arranged on the tentacle, since the tentacle in the closed state of a door or flap is not directly loaded by the locking pin of a door or flap. An arrangement of a predetermined bending point on the load arm is therefore particularly unproblematic.
  • the locking surface of the rotary latch can be released from the locking surface of the pawl due to deformation and the locking mechanism can open so unplanned.
  • the tentacle arm is bent over by excessive load relative to the load arm, thereby causing the coverage or enlargement of the overlap between the rotary latch and the pawl.
  • By kinking basically increases the distance between the two free ends of tentacle and load arm. In this embodiment, it is not necessary to reinforce recording points in comparison to the recording points of conventional locking so that a locking mechanism is unable to open even in a crash.
  • a tolerance compensation succeeds by means of this embodiment.
  • a planned overlap of the locking surfaces of pawl and rotary latch could have been reduced due to excessive tolerances in the bearing points of the catch and pawl and / or due to deformations of plastic components to be stored. Nevertheless, then it does not threaten that the locking mechanism becomes unscheduled in the event of excessive load opens, because then the overlap between the rotary latch and pawl would usually increase.
  • the predetermined bending point is designed in the form of a recess and / or comprises at least one recess, since a predetermined bending point can thus be provided with a low production outlay.
  • the recess is arranged on the side of the catching arm which lies on the side facing away from the locking bolt of a door or flap in a latched state of the locking mechanism.
  • a recess can be realized through an opening in the rotary latch.
  • the recess forms a franking in the rotary latch.
  • a recess can extend from a lateral contour of the rotary latch, that is, for example, from a lateral contour of a catching arm in the direction of the interior of the rotary latch, in particular in the direction of the axis of rotation of the rotary latch, so as to provide a predetermined bending point. It can be inventively formed at least one recess in the catch or load arm. But it can also be formed in the tentacle or load arm two and more recesses.
  • a recess may be realized through one or more holes through the rotary latch.
  • two spaced-apart recesses are formed or introduced in one arm of the rotary latch, in particular in the catching arm, which lies opposite the lock holder in the closed state of the locking mechanism.
  • a second, to a first spaced recess may advantageously reduce the weight of the rotary latch and / or positively influence the buckling behavior.
  • an elevation or an arm is provided in the region of the rotary latch, which is located between the recesses, which can be used for locking the locking mechanism in the position Vorrast.
  • One of the pawl facing first recess in the catch can serve to define the position of a predetermined bending point preferably on the tentacle.
  • the position of the predetermined bending point can be varied. With the location of the predetermined bending point can be taken at the same time influence on the overlap between the rotary latch and pawl. If, for example, a recess extending deep into the rotary latch from the outer edge is introduced into the rotary latch, the depth of the recess determines the position of the predetermined bending point.
  • the predetermined bending point can alternatively or additionally be achieved by changing the material properties (elasticity), the thickness, reduced bending stiffness, a reduction in cross-section and / or a reduction in strength.
  • the material may have been weakened at a designated location by subsequent processing so as to provide a predetermined kink.
  • the material thickness can be reduced at one point, so as to obtain a predetermined bending point at the desired location. It is possible, for example, that the material properties are changed selectively or in regions, so as to provide a predetermined bending point. This can be done for example in the form of a heat treatment, wherein areas of high and low hardness are generated in the rotary latch.
  • a predetermined bending point provided by at least one recess is to be preferred, since in principle no additional production outlay has to be operated for this purpose.
  • the overlap preferably changes towards an enlargement, whereby a particularly secure locking of the locking mechanism is ensured.
  • the rotary latch and preferably the catching arm may have a cross-sectional reduction.
  • a cross-sectional reduction can be provided on one side or on both sides of the rotary latch.
  • a two-sided reduction offers the advantage of a symmetrical construction of the rotary latch and can additionally positively influence a possible deformation of the rotary latch.
  • two or more cross-sectional reductions can be formed on the rotary latch in order to define a predetermined bending point and / or to selectively influence a buckling behavior of the predetermined bending point.
  • one or more depressions can also be introduced into the rotary latch in different extension over the rotary latch.
  • a plurality of depressions can be introduced, which form continuously increasing extensions or increasing and decreasing extensions in the rotary latch.
  • a higher manufacturing outlay is also to be operated, specifically in comparison to the case of a recess which extends from a lateral contour towards the inner region of the rotary latch, specifically in the direction of the axis of rotation of the rotary latch.
  • the recesses can be molded, pressed and / or introduced by means of a material removal in the rotary latch.
  • reductions of a thickness of the rotary latch are at least partially considered.
  • a depression or depressions can thus also be present, for example, as recesses which, for example, are milled or pressed into the rotary latch.
  • the depressions may have a cross-sectional shape that can be described as a continuous radius and / or as a U-shaped and / or a sharp notch.
  • the cross-sectional shape in an advantageous manner influence on the notch number and thus the position of the predetermined bending point can be taken.
  • a predetermined bending point is provided in a rotary latch, which is able to initiate an opening moment in the pawl.
  • the problem described at the outset occurs, in particular, with such locking mechanisms.
  • the lock may include one or two pawls.
  • the lock can include a position Vorrast next to a position main rest, in which the locking mechanism can be locked.
  • the rotary latch can thus comprise one or two latching surfaces for latching.
  • the lock may have a blocking lever with which a pawl is locked in its locked position. By the catch, an opening, a closing or no torque can be introduced into the pawl in the latched position.
  • the locking mechanism is preferably such that a release lever of the locking mechanism only has to be pivoted by 8 ° -18.5 °, preferably only by 10.5 ° -15.5 °, in order reliably to open the locking mechanism - if it is latched and in particular due to a driver for the pawl, which is able to move the pawl out of its detent position by pivoting the release lever out.
  • this embodiment ensures that the locking mechanism can nevertheless be reliably opened.
  • the driver moves the pawl, in particular, only out of its detent position when the pawl is not moved out of its detent position due to an initiated opening moment.
  • the release lever not only moves a blocking lever away from the pawl in a corresponding embodiment, but also moves the pawl out of the engagement region of the catch, the release lever must be regularly pivoted by more than 10 °. Only after pivoting of the release lever by more than 10 ° usually acts on the trip lever fixed driver with the pawl together, so that the pawl is mechanically rotated by the release lever. For this reason, it is preferable that the release lever can be pivoted by more than 10 °, so as to ensure that the driver is able to grasp and move the pawl when needed.
  • the ratchet comprises in one embodiment, a pre-locking pawl, which preferably also forms the release lever.
  • the rotary latch is preferably provided with an arm for latching in the position Vorrast, which is separated from the usually deformable arm with the latching surface by a recess.
  • one arm of a detent pawl preferably a second pre-detent pawl, engages that arm of the detent so as to lock the detent in the pre-detent position.
  • This embodiment makes it possible to provide a predetermined bending point on the catching arm and at the same time to provide a latching surface for the pre-locking pawl in a spatially desired manner.
  • This arm for the pre-locking pawl extends in particular beyond the plane which is provided by the base of the rotary latch. This makes it possible to provide a release lever above the pawl for the position main rest, which also forms a pre-locking - pawl.
  • the locking mechanism comprises in one embodiment a blocking lever which is able to block the pawl in its locked position.
  • the pawl can not leave its detent position when it is blocked by the blocking lever.
  • blocking lever By blocking lever, the locking mechanism can be locked particularly reliable.
  • pawl and release lever of the locking mechanism are rotatably mounted in one embodiment on a common axis.
  • the catch is biased by a spring in the direction of the open position to be able to initiate a moment in the pawl even without the presence of a door seal pressure.
  • the release lever is capable of moving 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.
  • blocking 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.
  • blocking lever and pawl are designed so that by moving the blocking lever in its blocking position, the pawl is thereby simultaneously moved into 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.
  • a second lever arm of the release lever By means of a second lever arm of the release lever, the pawl is preferably relieved in the manner described, so at least during opening of the locking mechanism, the spring force is reduced, which is able to move the pawl in the detent position.
  • this second lever arm advantageously further comprises a driver for moving the pawl out of its locking position in order to be able to produce compact and simple.
  • the third lever arm actuates the release lever, for example by means of a linkage or Bowden cable, preferably with the aid of a handle or electric drive connected thereto.
  • the third lever arm is actuated thereby and the release lever is moved for unlatching of the locking mechanism, in particular pivoted about an axis.
  • a stop in particular for the purpose of minimizing the installation space and the weight for the second lever arm to prevent the release lever is moved beyond a desired end position.
  • the pawl preferably comprises two lever arms. 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 other lever arm of the pawl is optionally detected by a driver of the release lever for unlocking the locking mechanism and moved accordingly, in particular pivoted about an axis.
  • a stop for this other lever arm to prevent the pawl from being moved beyond its full detent position.
  • 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 advantageously contributes to shifting the center of gravity of the blocking lever 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 blocking lever can at the same time form the release lever in order to minimize the parts.
  • 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 castle can become one Door or a flap of a building or belong to the door or a flap of a motor vehicle.
  • the invention also encompasses such a lock having a pawl for the main catch position of the catch (also called a "main catch pawl”), a pawl for the pre-catch position of the catch (also referred to as a "pre-catch pawl”), and advantageously a blocker lever for said catch Main ratchet pawl.
  • a lock is in print DE 10 2008 061 524 A1 mentioned.
  • a lock according to the invention may also comprise, in addition to a blocking lever, only one pawl for locking the catch in a position "pre-rest position" and a position "main rest”.
  • 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.
  • the rotary latch is able to initiate an opening moment in the detent position in the detent position.
  • the catch does not introduce a closing moment into the pawl, at least not if the pawl is not deformed by excessive load.
  • a Excessive loading is generally not present when, in the closed state of a door or a flap, no additional external forces (in addition to an internally occurring force such as due to a door seal pressure) are introduced into the locking mechanism. Excessive loading of a locking mechanism can occur, in particular in the event of a crash, when high forces are introduced into the locking bolt of a door or flap in the opening direction of the door or flap.
  • a predetermined bending point in the sense of the present invention can be spatially limited or extend over a relatively long range.
  • the catch may also be such that it deforms altogether under excessive load so that the overlap is at least maintained or increased.
  • FIG. 1 a locking mechanism of a lock of a motor vehicle comprising a rotary latch 1, a pawl 2, a blocking lever 3 are shown, which are rotatably mounted on a lock case 4.
  • the rotary latch 1 can be pivoted about its axis 5.
  • the pawl 2 can be pivoted about its axis 6.
  • the blocking lever 3 can be pivoted about its axis 7.
  • the pawl 2 locked with its locking surface 8, the rotary latch 1, which rests with its locking surface 9 of its catching arm 10 on the locking surface 8 of the pawl.
  • the position of the locking surfaces 8, 9 to each other in this embodiment is chosen such that the rotary latch 1 initiates an opening moment in the pawl 2.
  • the pawl 2 can be pivoted out of its locked position shown in the case of FIG. 1 by turning clockwise about the axis 6 when the blocking lever 3 is moved out of its blocking position by operating an inside or outside operation.
  • the overlap between the two locking surfaces 8 and 9 is such that the pawl 2 by a few degrees, in particular less than 14.1 °, preferably less than 12.9 ° clockwise must be pivoted so that the catch pivoted in the direction of opening position and thus the Lock can be opened.
  • the rotary latch 1 has a catching arm 10 and a load arm 11.
  • the tentacle 10 is provided with a predetermined kink 12.
  • the predetermined bending point can be provided by a preferably arcuate recess from one side or as shown from both sides of the tentacle. If an excessively large force, for example, due to a Chrashfalls exerted on the held by the catch 1 locking bolt 13 and so the load arm 11 is pulled in the opening direction, then the tentacle 10 buckles due to the predetermined bending point 12 around the predetermined bending point 12 around and that relative to the load arm 11 opposite to the clockwise direction. This deformation can be plastic and / or elastic. As a result, the engagement point between the locking surface 9 and the locking surface 8 is displaced in such a way that the overlap between the two locking surfaces 8 and 9 is increased.
  • the rotary latch 1 has an arm 14 which extends into a plane which is located above the plane in which the base surfaces of the rotary latch 1 and pawl 3 are located. Above the pawl 2, an unillustrated release lever is provided on the axis 6, which at the same time forms a pre-locking pawl. In the pre-rest position, the arm 14 rests against this pre-locking pawl, so that the locking mechanism can additionally be latched in a pre-locking position.
  • the Vorrastarm 14 is formed integrally with the rotary latch 1 in this embodiment as a fold. But it is also possible to form the Vorrastarm 14 as a separate bolt and to attach to the catch 1.
  • the catch 1 can also have an arm 15, which can be moved against a stop, for example, to prevent excessive pivoting of the catch.
  • the tentacle 10 does not necessarily have a tapered area, that is to say a recess 12, in order to be able to be deformed in the desired manner.
  • one or more depressions can be introduced into the rotary latch 1 on one or both sides.
  • the rotary latch 1 may have undergone a heat treatment, so that a predetermined bending point is formed.
  • this tentacle 10 is designed sufficiently narrow over its entire length in order to be able to be bent over this area in the manner described.
  • the load arm 11 can also be provided with a tapered region between the axis 5 and the illustrated position of the locking bolt 13 and / or be narrow. In the case of an excessive load then the load arm 11 was bent, for example, around its tapered portion around, which would also lead to an increase in the coverage between the two locking surfaces 8 and 9.
  • the catch is designed so that in case of excessive load by the locking pin 13 the Rotary latch is deformed so that the overlap between the locking surfaces 8 and 9 at least not smaller. Preferably, this coverage is greater even under excessive load.
  • FIG. 1 a prestressed leg spring 16 is shown, which is able to move the blocking lever 3 in the blocking position. Against the force of this spring 16, the blocking lever 3 must be pivoted counterclockwise about its axis 7 in order to open the locking mechanism. Blockade lever 3 and pawl 2 are shaped so that the blocking lever 3 is able to move the pawl 2 into its locking position. A mounted on the lock case 4 stop 17 prevents the pawl 2 can be moved counterclockwise opposite to its locking position out.
  • a recess 18 which is arranged at the catching arm 10 of the rotary latch 1 on the side facing the locking bolt 13. It is thus obtained a relatively long physically effective lever, without having to increase the space accordingly, in comparison to the case that a recess is provided in the form of a notch on the side facing away from the locking bolt side. In the case of excessive loading then the coverage increases particularly strong. A notch occurs when the locking bolt, starting from the open position over a step-like course 19 of the contour of the tentacle 10 must be moved away to in the in FIG. 1 to reach the closed position shown.
  • FIG. 2 is illustrated by a dashed line, as an inventive latching arm 1 of a pawl 2 can be performed in comparison to a conventional width of a latching arm of a conventional pawl.
  • a pawl 2 according to the invention thus differs from a conventional pawl by the lateral contour curve shown in dashed lines, which leads to a narrower latching arm.
  • the smaller width the locking arm 18 and hereby the locking surface 8 has the consequence that a smaller pivoting movement of the pawl is sufficient so that the locking mechanism can be opened.
  • FIG. 3 illustrates the presence of a bulge 19 at the other arm of the pawl 2, so as to further save weight and volume.
  • This bulge 19 is located on the side facing away from the stop 17.
  • a notch 20 which is arranged at the tentacle 10 of the rotary latch 1 on the side facing the locking pin 13. It is thus obtained a relatively long physically effective lever, without having to increase the space accordingly, in comparison to the case that a notch on the side facing away from the locking pin 13 side is provided. In the case of excessive loading then the coverage increases particularly strong.
  • a notch is present when the locking pin 13, starting from the open position over a step-like course 21 of the contour of the tentacle 10 must be moved away to in the in the FIG. 1 to reach the closed position shown.
  • FIG. 4 is fragmentary and enlarged the locking arm 18 of the pawl 2 and the tentacle 10 of the rotary latch 1 is shown, wherein the course shown in dashed lines represents the deviation of the particularly preferred embodiment of the invention compared to a conventional course.
  • the contact point of the catching arm 10 of the rotary latch on the latching surface 8 of the pawl 2 in the latched state of the locking mechanism is arranged so that the distance 22 to one, shown on the left end of the locking surface 8 is smaller than the distance 23 to the other opposite end of the locking surface 8., in particular the FIG. 1 illustrates, the end shown on the left is the end over which the tentacle 10 of the catch 1 must be moved to detent the locking.
  • the length of the distance 22 is about 30% of the sum of the two sections or distances 22 and 23 and thus about 30% of the width of the locking surface. 8

Landscapes

  • Lock And Its Accessories (AREA)
  • Hinge Accessories (AREA)

Claims (9)

  1. Serrure pour une porte ou un clapet, comprenant un mécanisme d'encliquetage composé d'un pêne tournant (1) et d'au moins un cliquet (2) pour faire enclencher le pêne tournant (1), une surface d'encliquetage (8) d'un bras d'encliquetage (18) du cliquet (2) étant configurée de sorte qu'un pivotement de jusqu'à 16,1°, de préférence de jusqu'à 14,6°, de préférence particulière de jusqu'à 12,9° du cliquet (2) est suffisant pour libérer un mécanisme d'encliquetage enclenché, et le pêne tournant (1) comprend deux évidements espacés l'un de l'autre comme un point destiné au flambage (12), les évidements étant aménagés dans un bras du pêne tournant (1) et faisant face à un boulon de fermeture (13) dans l'état fermé du mécanisme d'encliquetage, le point destiné au flambage (12) provoquant que la distance entre les extrémités libres du bras collecteur (10) et du bras de charge (11) du pêne tournant (1) s'agrandit dans l'état encliqueté du mécanisme d'encliquetage dans le cas d'une charge excessive.
  2. Serrure selon la revendication 1, caractérisée en ce que le point de support du bras collecteur (10) du pêne tournant (1) sur la surface d'encliquetage (8) du cliquet (2) est disposé dans l'état encliqueté du mécanisme d'encliquetage, de sorte que la distance (22) à l'une extrémité de la surface d'encliquetage (8) est plus courte que la distance (23) à l'autre extrémité opposée de la surface d'encliquetage (8), l'une extrémité étant l'extrémité, sur laquelle le bras collecteur (10) du pêne tournant (1) doit être déplacé pour libérer le mécanisme d'encliquetage.
  3. Serrure selon la revendication précédente, caractérisée en ce que la distance (22) entre le point de support et l'une extrémité de la surface d'encliquetage (8) est jusqu'à 40% de la largeur de la surface d'encliquetage (8) du cliquet (2), de préférence jusqu'à 30%.
  4. Serrure selon l'une des revendications précédentes, caractérisée en ce qu'un pivotement de jusqu'à 20°, de préférence de jusqu'à 16° d'un levier de déclenchement du mécanisme d'encliquetage suffit pour amener le cliquet (2) par moyen d'un entraîneur hors de sa position d'encliquetage.
  5. Serrure selon l'une des revendications précédentes, caractérisée en ce que celle-ci est configurée de sorte que le mécanisme d'encliquetage ne peut pas être ouvert par moyen des forces comprises entre 10 kN et 30 kN, de préférence entre 20 et 30 kN.
  6. Serrure selon l'une des revendications précédentes, caractérisée par un entraîneur, qui est capable de déplacer le cliquet (2) hors de sa position enclenchée.
  7. Serrure selon la revendication précédente, caractérisée en ce que l'entraîneur est disposé de sorte que celui-ci ne déplace le cliquet (2) hors de sa position enclenchée que si le cliquet (2) n'est pas déplacé hors de sa position enclenchée sur la base d'un moment ouvrant, qui est initié par le pêne tournant (1) dans le cliquet (1) dans la position d'encliquetage.
  8. Serrure selon l'une des revendications précédentes, caractérisée en ce que le pêne tournant (1) est configuré, de sorte que celui-ci est déformé par une charge excessive dans l'état enclenché, de sorte que le recouvrement entre le cliquet (2) et le pêne tournant (1) est gardé ou s'agrandit.
  9. Serrure selon l'une des revendications précédentes, caractérisée par un bras (14) du cliquet (2), à l'aide duquel bras le pêne tournant peut être enclenché dans une position de pré-encliquetage, le bras (14) se terminant de préférence à l'extérieur du plan principal du pêne tournant (1).
EP13734313.3A 2012-05-04 2013-05-02 Serrure pour une coffre ou une porte Active EP2929113B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201210207440 DE102012207440A1 (de) 2012-05-04 2012-05-04 Schloss für eine Klappe oder Tür
PCT/DE2013/000243 WO2013163980A2 (fr) 2012-05-04 2013-05-02 Serrure pour une trappe ou une porte

Publications (2)

Publication Number Publication Date
EP2929113A2 EP2929113A2 (fr) 2015-10-14
EP2929113B1 true EP2929113B1 (fr) 2018-05-02

Family

ID=48747261

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13734313.3A Active EP2929113B1 (fr) 2012-05-04 2013-05-02 Serrure pour une coffre ou une porte

Country Status (12)

Country Link
US (1) US10012013B2 (fr)
EP (1) EP2929113B1 (fr)
JP (1) JP6236667B2 (fr)
KR (1) KR20150013205A (fr)
CN (1) CN104411905B (fr)
BR (1) BR112014026971A2 (fr)
CA (1) CA2872069A1 (fr)
DE (1) DE102012207440A1 (fr)
IN (1) IN2014DN09207A (fr)
MX (1) MX2014013348A (fr)
RU (1) RU2014145650A (fr)
WO (1) WO2013163980A2 (fr)

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JP2019052501A (ja) * 2017-09-19 2019-04-04 アイシン精機株式会社 車両用ドアロック装置

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Also Published As

Publication number Publication date
EP2929113A2 (fr) 2015-10-14
IN2014DN09207A (fr) 2015-07-10
JP2015517613A (ja) 2015-06-22
KR20150013205A (ko) 2015-02-04
CN104411905A (zh) 2015-03-11
MX2014013348A (es) 2015-08-05
BR112014026971A2 (pt) 2017-06-27
JP6236667B2 (ja) 2017-11-29
WO2013163980A3 (fr) 2014-03-20
US10012013B2 (en) 2018-07-03
DE102012207440A1 (de) 2013-11-07
US20150115627A1 (en) 2015-04-30
RU2014145650A (ru) 2016-06-27
WO2013163980A2 (fr) 2013-11-07
CA2872069A1 (fr) 2013-11-07
CN104411905B (zh) 2017-09-01

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