EP3334876A1 - Dispositif de sécurité présentant un capot avant et un système de fermeture à baïonnette - Google Patents

Dispositif de sécurité présentant un capot avant et un système de fermeture à baïonnette

Info

Publication number
EP3334876A1
EP3334876A1 EP16756572.0A EP16756572A EP3334876A1 EP 3334876 A1 EP3334876 A1 EP 3334876A1 EP 16756572 A EP16756572 A EP 16756572A EP 3334876 A1 EP3334876 A1 EP 3334876A1
Authority
EP
European Patent Office
Prior art keywords
rotary latch
closure member
safety device
bayonet
front hood
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
EP16756572.0A
Other languages
German (de)
English (en)
Other versions
EP3334876B1 (fr
Inventor
Johannes Theodor Menke
Thorsten Nottebaum
Thorsten Bendel
Karl Krause
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 EP3334876A1 publication Critical patent/EP3334876A1/fr
Application granted granted Critical
Publication of EP3334876B1 publication Critical patent/EP3334876B1/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
    • E05B83/00—Vehicle locks specially adapted for particular types of wing or vehicle
    • E05B83/16—Locks for luggage compartments, car boot lids or car bonnets
    • E05B83/24—Locks for luggage compartments, car boot lids or car bonnets for car bonnets
    • 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
    • E05B15/02—Striking-plates; Keepers; Bolt staples; Escutcheons
    • E05B15/0205—Striking-plates, keepers, staples
    • E05B15/022—Striking-plates, keepers, staples movable, resilient or yieldable
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/24—Arrangements in which the fastening members which engage one another are mounted respectively on the wing and the frame and are both movable, e.g. for release by moving either of them
    • E05B63/244—Arrangements in which the fastening members which engage one another are mounted respectively on the wing and the frame and are both movable, e.g. for release by moving either of them the striker being movable for latching, the bolt for unlatching, or vice versa
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/02—Power-actuated vehicle locks characterised by the type of actuators used
    • E05B81/04—Electrical
    • E05B81/06—Electrical using rotary motors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/12—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
    • E05B81/20—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators for assisting final closing or for initiating opening
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/24—Power-actuated vehicle locks characterised by constructional features of the actuator or the power transmission
    • E05B81/26—Output elements
    • E05B81/30—Rotary elements
    • 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
    • E05B85/04—Strikers
    • E05B85/045—Strikers for bifurcated bolts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B2047/0014—Constructional features of actuators or power transmissions therefor
    • E05B2047/0018—Details of actuator transmissions
    • E05B2047/002—Geared transmissions
    • E05B2047/0021—Geared sectors or fan-shaped gears
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/12—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
    • E05B81/14—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on bolt detents, e.g. for unlatching the bolt
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/12—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
    • E05B81/18—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators to effect movement of a bolt or bolts
    • 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
    • E05B85/243—Bolts rotating about an axis with a bifurcated bolt

Definitions

  • the invention relates to a safety device, comprising a front hood and a hood lock with a lock holder, for a motor vehicle.
  • Such a safety device is known from DE 198 1 2 835 A1.
  • the safety device described therein has a catch hook actuating arrangement, which is realized by means of a lever construction and in which no rotational components occur.
  • this safety device is characterized by a very simple structure.
  • a first step for unlocking a front hood is usually made possible by an operation of a Bowden cable from the vehicle interior ago.
  • DE 10 2007 061 544 A1 describes an actuating lever for unlocking an engine hood, which is arranged in the passenger compartment and is in mechanical connection via a Bowden cable with a hood lock.
  • DE 10 2005 044 079 A1 discloses a release of a hood lock via a Bowden cable.
  • a use of a Bowden cable has the disadvantage that this starting from the vehicle interior towards the front portion of the front hood, in which the hood lock is arranged, must be performed by several components in the engine compartment, for which space in the engine compartment is needed and thus less space for an arrangement of this Components in the engine compartment is available.
  • the prior art safety device restricts possibilities of arranging other components in the engine compartment and is therefore impractical for manufacturing and construction aspects.
  • a use of the Bowden cable to unlock the front cover is also impractical for an operator, since this one end of the Bowden cable, which Mostly located below a dashboard, must grope search, and only with considerable force can move the Bowden cable.
  • a safety device for a motor vehicle which has a front hood and a hood lock with a lock holder, wherein the hood lock a catch with a pre-locking position and a Hauptastastwolf and an electric Drive includes.
  • the electric drive causes a switching of the rotary latch from the main latching position to the pre-latching position.
  • the front hood In the main position the front hood is locked and closed.
  • the hood lock on a bayonet lock system with a closed position, a release position and an intermediate position, wherein in the closed position, the rotary latch is in the main latching position. In the intermediate position, the rotary latch is in the pre-locking position and the lock holder is engaged with the rotary latch.
  • the release position of the lock holder is released from the catch and the front cover unlocked and the catch is preferably in the pre-locked position.
  • the electric drive is preferably via a switch and / or a control unit, which or which with the electric drive via at least a cable is connected, controllable, switched on and / or off and preferably rotationally controllable in a first direction and optionally rotatably controllable in a second direction opposite to the first direction.
  • a rotational movement of the electric drive causes a switching of the rotary latch from the main latching position in the Vorrastsannon.
  • the fact that the electric drive is connected via a cable to the switch and / or the control unit can be dispensed with a guided through the engine compartment Bowden cable for unlocking the front cover, with an arrangement of other components in the engine compartment is facilitated.
  • a switch with which the electric drive can be actuated be placed anywhere on a dashboard of the motor vehicle, so that the safety device for an operator easier to unlock and thus is more practical.
  • the rotary latch In the main locking position, the rotary latch is locked in an opening direction of rotation, which is predetermined by a rotation of the rotary latch from the main latching position to the pre-latching section.
  • the rotary latch has a, preferably fork-shaped, inlet mouth, which is formed by a load arm and a tentacle.
  • the lock holder can be designed as a bolt, pin or striker.
  • the lock holder is blocked in the main locking position by means of the load arm.
  • the lock holder can be generally regarded as a releasable connecting element between the rotary latch and the front hood, which cooperates directly with the catch and lockable and unlockable by means of the catch, wherein a lock or unlocking of the lock holder causes a locking or unlocking of the front cover.
  • the lock holder is arranged on the front hood and the rotary latch and the bayonet lock system on a stationary component of the safety device.
  • the lock holder can also be arranged on a stationary component of the safety device and the rotary latch and preferably the bayonet lock system on the front hood.
  • the hood lock comprises a rotary latch blocking element, such as a pawl, which locks the rotary latch in the main latch position and / or in the latch latch, with a latch meaning blocking the latch in the opening direction of rotation.
  • the catch has a Vorrastkontur and a main catch contour, each of which can interact independently with a counter-latching contour of the Dreh fallenblockieriatas upon rotation of the rotary latch in the opening direction and in a closed direction of rotation, which is opposite to the opening direction of rotation, cooperate.
  • the pre-locking contour or the main locking contour particularly advantageously passes the counter-latching contour of the locking pawl.
  • a rotary latch spring element acts on the rotary latch in the opening direction of rotation, whereby the pre-latching contour or the main latching contour is held pressed against the counter-latching contour in the pre-latching division or the main latching position.
  • the rotary latch spring element can be tensioned in the direction of the closed position during a movement of the front hood, wherein the lock holder touches the rotary latch.
  • a tensioned rotary latch spring element can enable an independently driven switching of the rotary latch from the main latching position to the latching latching, such switching being triggered by means of the electric drive, for example by driving the rotary latching latching element.
  • a special embodiment provides that the catch is immobile beyond the Vorrastsannon without a lock by means of the pawl in the opening direction of rotation, i. that the rotary latch with the Vorrastsander has an opening end position.
  • the rotary latch has an opening end position, in which the rotary latch is rotated from the pre-locking division in the opening direction of rotation.
  • a front hood means a hood which is arranged in front of a windshield of the motor vehicle in the vehicle direction.
  • the lock holder is movable between a closed position in which the lock holder is engaged with the rotary latch and an open position in which the lock holder is released from the rotary latch.
  • the catch is blocked in the Vorrastsannon, preferably via the pawl, in the opening direction of rotation. The catch blocked by means of this engagement, a movement of the front cover in the open position, if the lock holder is in the closed position, which corresponds to a locking of the front cover.
  • the Vorrastsander the catch the bonnet is not closed.
  • the rotary latch in the Vorrastsander and in the closed position of the lock holder blocks a movement of the lock holder at least in a blocking direction, which corresponds to a movement of the front hood in the open position and preferably substantially perpendicular oriented to a vehicle longitudinal axis.
  • the rotary latch moves when switching from the main latch position in the Vorrastsannon on the lock holder, the front cover in the direction of the open position of the front cover.
  • the switching of the rotary latch from the main latching position in the Vorrastsander is effected according to the invention by means of the electric drive, which preferably has an output shaft.
  • the electric drive which preferably has an output shaft.
  • This can be realized in a special embodiment via a release lever, which is acted upon via the output shaft of the electric drive, wherein the release lever causes during a movement of the output shaft unlatching of the rotary latch from the main latching position.
  • effecting the switching over of the rotary latch from the main latching position into the pre-latching section also includes triggering this switching over.
  • the release lever releases a prestressed force spring upon movement of the output shaft, which unlocks the pawl against its Federetzschlagung.
  • This variant has the advantage that the electric drive can be made smaller, since only the preloaded force spring must be solved by means of the drive.
  • an additional gear for tensioning the power spring by means of the electric drive may be necessary.
  • the force spring in a rotation of the rotary latch in the closing direction of rotation can be tensioned, preferably weight-assisted by a movement of the front hood in the closed position tensioned.
  • a further embodiment can provide that the output shaft of the electric drive acts directly on the pawl and unlocks the counter-latching contour of the pawl from the main catch contour upon activation of the electric drive.
  • a particularly advantageous variant provides for a mechanical coupling between the bayonet lock system and the lock holder.
  • the mechanical coupling may be designed such that an adjustment of the bayonet closure system from the intermediate position towards the release position corresponds to an adjustment of the lock holder from the closed position to the open position.
  • the lock holder in the pre-ratchet division of the rotary latch, the lock holder can be moved into the open position via the mechanical coupling with the aid of the bayonet locking system, wherein unlocking of the front hood is effected.
  • a double operation of the safety device is provided for unlocking the front hood.
  • This redundancy gives this variant of the safety device a higher security compared to a safety device without an additional operation of a bayonet locking system or without an operation of an electric drive.
  • the bayonet lock system is manually convertible from the intermediate position to the release position.
  • Manually convertible means in particular exclusively mechanically, ie without power and without electrical aids.
  • the bayonet lock system is preferably spring loaded in the intermediate position.
  • a spring loading has the advantage that for adjusting the lock holder from the closed position to the open position, the required force for an operator is reduced compared to an embodiment without a bayonet lock system with a spring action and thus the ease of use of the safety device is increased.
  • an adjustment of the bayonet locking system from the intermediate position to the release position can be triggered via a release lever, wherein the release lever is manually movable, in particular for an operator of the security device.
  • the release lever preferably releases a tensioned drive spring, which moves the bayonet locking system from the intermediate position to the release position.
  • the bayonet locking system in the Vorrastsander the rotary latch by an operator manually adjustable, in particular mechanically detachable.
  • the handle can be reached by a raised front hood after switching the catch.
  • the rotary latch follows at least partially an adjustment of the rotation via a rotation in the opening direction of rotation Bayonet locking system from the intermediate position to the release position.
  • the rotary latch manually from the Vorrasts notorious solvable.
  • the front hood can be unlocked by means of at least two manual actuation starting from the pre-locking division of the rotary latch, firstly by manually releasing the rotary latch from the pre-detent division and secondly by manually transferring the bayonet-locking system from the intermediate position to the release position.
  • a further embodiment can provide that via manual release of the catch from the Vorrastsander the catch spring-loaded rotates in the opening direction, thereby moving the bayonet lock from the intermediate position to the release position.
  • the bayonet lock system from the intermediate position to the release position is indirectly manually via a release of the catch from the Vorrastsander be transferred.
  • the lock holder In the release position of the bayonet lock system, the lock holder is in the open position and is released from the catch. As a result, a blockage of a movement of the front hood is lifted in the direction of the open position, which corresponds to unlocking the front hood.
  • the lock holder is preferably spring-loaded in the closed position, and is receivable or catchable by means of the catch arm of the rotary latch when the front hood closes.
  • the safety device has a mechanical operative connection between the electric drive and the rotary latch during the switching over of the rotary latch from the main latching position into the pre-latching section.
  • the safety device in each intermediate position of the rotary latch between the Main load position and the Vorrastsander a force-transmitting active connection chain starting from the electric drive on the catch to the lock holder ready.
  • the mechanical operative connection by an output gear, which is positively connected to the output shaft of the electric drive, and a drive gear, which is positively connected to the rotary latch may be formed, wherein the output gear meshes with the drive gear.
  • the electric drive in the generator mode is operable to form a mechanical resistance of the rotary latch against movement of the front cover in the direction of the closed position when catching the front hood by means of the rotary latch.
  • the mechanical operative connection can be formed by a worm, which is positively connected to the output shaft of the electric drive, and a worm wheel, which is positively connected to the rotary latch, wherein the worm engages in the worm wheel.
  • a mechanical operative connection means that a movement of the output shaft directly causes a movement of the rotary latch, that is, the output shaft is mechanically coupled to the rotary latch.
  • the initial acceleration and Abbremsbevantung advantageously have an asymptotic course over time.
  • the deceleration acceleration may be asymptotically reduced to zero over time, thereby allowing post-swing of the front cover to be minimized after the catch has reached the pre-lock position.
  • the handle or the trigger lever for operating the bayonet lock system is easier to grip and it can be a more comfortable unlocking the front hood provided, especially if an operator is located directly in front of the front hood and activates the electric drive using a remote control.
  • a further embodiment of the invention provides that the safety device has a mechanical operative connection between the electric drive and the rotary latch during the switching of the rotary latch from the pre-latching position to the main latching position.
  • the mechanical operative connection can be formed as described above, i. for example by means of output gear and drive gear or by means of worm and worm wheel.
  • the mechanical operative connection between the electric drive and the rotary latch during the switching over of the rotary latch from the pre-locking position into the main latching position results in a more powerful and, in particular, controllable locking of the rotary latch into the main latching position in comparison with the prior art.
  • a more powerful and in particular a controllable engagement of the rotary latch allows realization of a smaller gap between the front hood in the closed state and another on the front hood adjacent body part, for example, a headlight.
  • a power transmission is provided by the electric drive to the rotary latch, which increases as the rotary latch approaches the main latching position.
  • the elastic element which bears against the front hood when the bonnet is closed, can be compressed by the electric drive.
  • the rotary latch can be held in a position by means of the mechanical operative connection between the electric drive and the rotary latch during the switching of the rotary latch from the Vorrastsannon in the main latching position, in which the main latching contour is in a locking operation in the closing direction immediately before the counter-latching contour of the pawl , Holding the rotary latch in this position, for example for 10 to 100 milliseconds, allows the latching action of the counter-latching contour into the main latching contour to be considerably delayed compared to prior art embodiments.
  • a pawl spring which moves the counter-latching contour via the pawl into the main catch contour must be designed so that they within a possible engagement period, which upon rotation of the rotary latch in the closing direction with the passing of the main catch contour on the Counter-locking contour begins and ends with a passing of the main locking contour on the counter-latching contour upon rotation of the rotary latch in the opening direction, the pawl moves so fast that the counter-latching contour engages the main latching contour within the possible latching period.
  • one way is to extend the lock-in period by increasing a gap between the bonnet in the closed state and the other body part, as this increases the distance traversing the main cam contour within the lock-in period.
  • One Manual holding the front cover would be in a position in which the main locking contour is in a locking operation in the closing direction immediately before the counter-locking contour of the pawl and the elastic element is compressed, with too little gap too power consuming.
  • the duration of the Einrastzeitraumes can be arbitrarily increased because the catch can be held by the electric drive in any position for any length of time.
  • a smaller dimensioning of the pawl spring is possible, which saves weight and material costs.
  • the gap between the front hood and the other body part can be significantly reduced, since the Einrastzeitraum no longer depends on the gap.
  • Such a safety device is therefore more practical from a manufacturing and design point of view than one according to the prior art.
  • a gap between the closed front hood and at least the other body element variable it being possible to compensate for manufacturing tolerances, which influence a gap between the front cover and the other body element.
  • This represents a production-related simplification.
  • this can be realized with a main catch contour of the catch which can be adjusted along the opening or closing direction of rotation.
  • the main locking contour can be arranged independently of the Vorrastkontur on a disc, which is detectable in the opening direction of rotation or in the closing direction of rotation of the catch by means of locking elements.
  • the locking elements can be determined by tightening, for example by means of a screw in adjustable locking positions.
  • the electric drive causes an adjustment of the bayonet lock system from the closed position to the intermediate position.
  • the electric drive can cause the adjustment of the bayonet lock system in a similar manner as in effecting the switching of the rotary latch from the main latching position in the Vorrastsannon.
  • the electric drive can act on an additional pawl via a release lever, wherein the bayonet locking system is pretensioned and held by means of the additional pawl.
  • an immediate application of the additional pawl or a release of a prestressed force spring, which acts on the additional pawl be provided by means of the electric drive or an additional mechanical operative connection between the electric drive and the bayonet lock system.
  • the additional mechanical active connection can be formed as described above, ie for example by means of output gear and drive gear or by means of worm and worm wheel.
  • the bayonet closure system has at least a first closure member and a second closure member, wherein the first closure member is designed to be adjustable to the second closure member.
  • the first closure member is rotatably arranged on a stationary component of the security device.
  • the second closure member preferably forms a contact with the lock holder or is spatially separated from the lock holder.
  • a contact may be a loose contact with the lock holder and the second closure member contacting one another at a contact pad or point.
  • a contact be implemented by means of a mechanical coupling, for example, the closure member and the lock holder interlock.
  • the second closure member is spatially separated from the lock holder in the closed position and forms a contact with the lock holder in the intermediate position.
  • contact between the second closure member and the lock holder may be preferred for a short time, i. Continuing for 0.01 to 1 second when unlocking the front cover.
  • a contact between the second closure member and the lock holder is made in the release position up to a lifting of the front hood for opening the front hood.
  • An adjustability between the first and the second closure member is preferably realized in that the first closure member to the second closure member is rotatable and / or displaceable. A rotatability or displaceability is in particular produced or canceled depending on the position of the bayonet closure system.
  • An advantageous embodiment provides that in the closed position of the bayonet closure system, the first closure member occupies a closing angle position relative to the second closure member and in the intermediate position of the bayonet closure system, the first closure member with respect to the second closure member assumes an intermediate angle position, wherein the closing angle position and the intermediate angle position respectively two different relative positions form the first closure member relative to the second closure member.
  • the first closure member can be transferred from the closing angle position to the intermediate angle position by means of the electric drive and the additional mechanical active connection.
  • the additional mechanical operative connection can be provided by the electric drive up to the first closure member via a transmission.
  • the transmission is preferably designed as a reduction gear.
  • the additional mechanical operative connection can also be provided between the rotary latch external gear, with which the rotary latch can be driven by means of the electric drive, and the first shutter member.
  • the additional mechanical operative connection is preferably configured as a reduction gear whose input rotational speed is the rotational speed of the rotary traction drive gear and the output rotational speed is the rotational speed of the first closing link.
  • the bayonet locking system forms a first sliding connection between the first closure member and the second closure member, which is blocked in the intermediate position and released in the release position.
  • the bayonet lock system has a blocking element.
  • the blocking element blocks the first sliding connection in the intermediate position and releases the first sliding connection in the release position.
  • the blocking element in the intermediate position is manually movable by means of the handle or the release lever, in particular for transferring the bayonet lock system from the intermediate position to the release position.
  • the bayonet locking system between the first closure member and the second closure member forms a first rotational connection, which is blocked in the release position and can be released in the intermediate position and preferably in the closed position.
  • a release of the first rotational connection to a Release of the catch to be coupled ie that the first rotational connection is released, provided that the catch is released from the pawl.
  • the bayonet locking system from the closed position to the release position by means of an adjustment of the first rotational connection and a subsequent adjustment of the first sliding connection can be transferred.
  • the bayonet lock system between the first closure member and the second closure member forms a second sliding connection, which is blocked in the intermediate position and released in the closed position.
  • the bayonet locking system from the closed position to the release position by means of an actuation of the second sliding connection a subsequent actuation of the first rotational connection and a subsequent actuation of the first sliding connection can be transferred.
  • a manual actuation of the first rotational connection and a subsequent manual actuation of the first sliding connection is provided.
  • the second closure member by means of the handle is rotatable and displaceable.
  • the bayonet lock system between the first closure member and the second closure member forms a second rotational connection, which is blocked in the closed position and released in the intermediate position.
  • Fig. 1 is a sectional view of a safety device
  • Fig. 2 is a sectional view of a section of the safety device according to
  • FIG. 3 is a sectional view of a section of the safety device according to
  • Fig. 4 is a sectional view of a section of the safety device according to
  • FIG. 1 with the rotary latch of Figure 3 in a main position.
  • Fig. 5 shows a detail of the safety device according to Fig. 1 with a
  • FIG. 7 shows the bayonet closure system in a release position
  • FIG. 1 shows a sectional view of a safety device 1 for a motor vehicle with a front hood 2, a hood lock 3 and a handle 14.
  • the hood lock 3 has a rotary latch 4, a bayonet locking system 13 and an electric drive 5, which has a first electric motor 6 and a second electric motor 7 has.
  • the front hood 2 is closed in the position shown in FIG. 1 by solid lines, ie it is in a closed position. In the closed position, an elastic element 8, such as a sealing rubber, which is arranged in the closed position between a fixed component 9 of the safety device 1 and the front hood 2, compressed.
  • the open position of the front hood 2 is shown in dashed lines in Fig. 1.
  • hood lock 3 a pawl 12 and a lock holder 10, which is designed for example as a striker and a coupling element 1 1 of the safety device 1 is arranged on the front hood 2.
  • the rotary latch 4 and the pawl 12 are each rotatably mounted on a fixed component, not shown, of the safety device 1.
  • the rotary latch 4 is in the position shown in Fig. 1 in a main latching position.
  • FIG. 2 shows a sectional view of a detail of the security device 1 shown in FIG. 1 with the bayonet closure system 13 in a closed position.
  • the bayonet lock system 13 has a first closure member 15 which is rotatably mounted on a fixed component, not shown, of the safety device 1, a second closure member 16, a blocking element 17, a knob 18 which is fixedly connected to the second closure member 16, a guide slot 19 for Guide the knob 18 and a driver 20.
  • the second closure member 16 is slidably guided to the first closure member 15 and partially within the first closure member 15.
  • the bayonet lock system 13 has three positions, namely a closed position, a release position and an intermediate position. In the closed position, a first sliding connection between the first closure member 15 and the second closure member 16 is blocked.
  • the interaction of the electric drive 5 with the rotary latch 4, the lock holder 10 and the front hood 2 will be explained first, followed by the operation of the bayonet locking system 13.
  • 3 shows a sectional view of a detail of the safety device 1, which represents the front hood 2, the rotary latch 4 and the electric drives 5.
  • the rotary latch 4 has a pivot point 23, an opening direction of rotation 21 and an oppositely oriented closing direction of rotation 22.
  • the catch 4 has a Vorrastkontur 24 and a main catch contour 25, which can each cooperate with a counter-latching contour 26 of the pawl 12, and an inlet mouth 27, which by a Fang arm 28 and a load arm 29 is formed on.
  • the front hood 2 is in the position shown in Fig. 2 in an intermediate position between the open position and the closed position and is locked on the engagement of the rotary latch 4 on the lock holder 10, but not closed.
  • the rotary latch 4 is in a Vorrastsannon.
  • the pawl 12 is held pressed against the rotary latch 4 via a pawl spring element 31, such as a tension, compression or coil spring.
  • the rotary latch 4 via a rotary latch spring element 32, such as a tension, compression or a coil spring, spring-loaded in the opening direction of rotation 21, whereby the Vorrastkontur 24 is press-positioned against the counter-latching contour 26.
  • the front cover 2 is locked and is blocked in the open position.
  • Fig. 4 shows a sectional view of a section of the safety device 1 with the catch 4 in the main latching position.
  • the main locking position is achieved by the rotary latch 4 is rotated by the Vorrastsannon from FIG. 3 further in the closing direction of rotation 22. This can be effected in one embodiment by depressing the front hood 2 and in another embodiment by driving the rotary latch 4 by means of the first electric motor 6. Also, a movement of the rotary latch 4 in the direction of Main switch position by means of a combination of a manual depression and an electric driving of the first electric motor 6 causes his.
  • the main latching contour 25 passes the counter-latching contour 26, the main latching contour 25 being in the closing direction of rotation 22 before the counter-latching contour 26, so that the latching pawl 26 engages in the main latching contour 24 can and the catch 4 occupies the main position.
  • the front hood 2 is locked, closed and blocked in the open position.
  • the rotary latch 4 is first transferred from the main latching position into the pre-latching slot. This is effected in the embodiment shown in FIGS. 1 to 4 in that the second electric motor 7 moves the pawl 12 into the dashed position shown in FIG. 4 via a pawl driven gear 36 and a pawl drive gear 33. As a result, the rotary latch 4 is released in the opening direction.
  • the first electric motor 6 causes in a particular embodiment, a switching of the rotary latch 4 from the main locking position shown in Fig. 4 in the Vorrastsannon shown in Fig. 3, wherein the safety device 1 during this switching a mechanical operative connection between the electric drive 5 and the rotary latch having.
  • the mechanical operative connection is formed by a driven gear 34, which is positively connected to an output shaft of the first electric motor 6, and a rotary latch drive gear 35, which is positively connected to the rotary latch 4, wherein the driven gear 34 meshes with the drive gear 35.
  • FIG. 5 shows a detail of the security device 1 with an additional mechanical operative connection 51 between the first electric motor 6 and the bayonet locking system 13.
  • the additional mechanical active connection 51 is through the output gear 34, a first transmission gear 52, a second transmission gear 53, a third transmission gear 54, a coupling rod 55, a fourth transmission gear 56th and a fifth transmission gear 57 is formed, wherein by means of the additional mechanical active connection 51, a torque from the output gear 34 to the fifth transmission gear 57 is transferable.
  • the output gear 34 meshes with the first transmission gear 52, wherein a transmission connection from the output gear 34 to the first transmission gear 52 is formed as a reduction.
  • the second transmission gear 53 is positively connected to the first transmission gear 52 and meshes with the third transmission gear 54.
  • the third transmission gear 54 is connected via the coupling rod 55 with the fourth transmission gear 56, which meshes with the fifth transmission gear 57.
  • the fourth transmission gear 56 forms with the fifth transmission gear 57, a bevel gear, wherein the fifth gear 57 is designed as a pinion and the fourth gear 56 as a crown gear.
  • Via the additional mechanical active connection 51 a mechanical coupling of a rotation of the rotary latch 4, which is likewise driven via the output gear 34, is provided with a rotation of the first closure member 15.
  • the bayonet lock system 13 shown in Fig. 5 is in the closed position, in which the button 18 in a recess 58 of the guide slot 19 spring-loaded by means of a tensioned compression spring 59 is held.
  • the compression spring 59 is supported on one side at a bottom of the first closure member 15 and acts in the tensioned state, the second closure member 16 in a direction away from the bottom of the first closure member 15.
  • a closing angle position which is illustrated in Fig. 5a.
  • 5 a shows a sectional view of the first closure member 15 and of the second closure member 16 with the knob 18 from a viewing direction of the fifth transmission gear 57.
  • the first shutter member 15 is clockwise relative to the second shutter member 16 in the plane shown in FIGS. 5a and 5b rotated from the closing angle position to the intermediate angle position, which is shown in Fig. 5b.
  • the knob 18 and the second closure member 16 remain in this rotation.
  • the first closure member 15 covers an angular region 60 during this rotation with the guide slot 19.
  • the first closure member 15 likewise covers the angular region 60 , only in the opposite direction, ie counterclockwise in the plane shown in Fig. 5a and Fig. 5b.
  • a first rotational connection is formed between the first closure member 15 and the second closure member 16.
  • the mechanical coupling between the rotary latch 4 and the first closure member 15 is provided such that during a movement of the rotary latch 4, a speed of the first closure member 15 by a multiple lower, for example by a factor of 2, 3, 4 or up to 10 , as a rotational speed of the rotary latch 4 is.
  • the mechanical coupling is preferably provided such that an angular range, which of the rotary latch drive gear 35th is swept over upon rotation of the rotary latch 4 from the main latching position to the pre-latching section, such as from about 20 to 40 degrees, the angular range 60 which is swept by the first shutter member 15 in the rotation from the closed position to the intermediate position of the bayonet lock system 13, such as for example, from about 2 to 20 degrees.
  • the first closure member 15 is rotated into the intermediate angle position relative to the second closure member 16 as described above, so that the bayonet closure system 13 is in the intermediate position.
  • Fig. 6 shows the bayonet lock system 13 in the intermediate position and the rotary latch 4 in the Vorrastsannon.
  • the button 18 is in the intermediate position of the bayonet lock system 13 acted upon by the compression spring 59 on the blocking element 17 at.
  • the blocking element 17 is shown in Fig. 6 in a blocking position and prevents in this position, a relaxation of the compression spring 59 and thus a spring assisted sliding of the second closure member 1 6 and a movement of the lock holder 1 0 in the direction of an opening position of the lock holder 10 by means of the second closure member 16.
  • the blocking element 17 blocks the first sliding connection between the first closure member 15 and the second Closing member 16 in the direction of the release position of the bayonet lock system 13th
  • the bonnet 2 is in an intermediate position, i. in a position between the closed position and the open position of the front hood 2, shown.
  • the catch 4 is in the Vorrastsannon and the lock holder 1 0 is spring-loaded held by a lock holder spring 63 in a closed position in which the front cover 2 is locked.
  • the front hood 2 is slightly raised in the Vorrastsannon the rotary latch 4 compared to the closed position of the front cover 2 and the handle 14 accessible to an operator and manually movable.
  • the handle 14 is mechanically coupled to the blocking element 17, preferably fixedly connected, whereby the blocking element 17 is manually movable in the intermediate position. From the position of the handle 14 shown in Fig.
  • the handle is convertible to a position in which abutting edge 62 of the handle 14 abuts a lower edge of the front hood 2, this position shown in Fig. 6 with the dashed position of the abutting edge 62 is.
  • the blocking element 17 is offset to the position shown in Fig. 6 by a distance l_2 upwards, in which the button 18 is released in the direction of a horizontal extent of the guide slot 19, which is shown in Fig. 7 .
  • the mechanical coupling of the abutting edge 62 with the blocking element 17 causes the abutting edge 62 to move about the path U, whereby the paths U and L2 are equal.
  • Fig. 7 shows the bayonet lock system 13 in the release position.
  • the button 18 and the second closure member 16 are moved along the horizontal extent of the guide slot 19 via the spring force of the tensioned compression spring 59.
  • the second closure member 16 pushes the lock holder 10 of the Closed position in the open position, which is shown in Fig. 7, wherein the lock holder 10 is mounted on the coupling element 1 1 slidably mounted on the front cover 2.
  • the force exerted by the compression spring 59 force in each position of the bayonet lock system 13 is significantly higher than the retention force of the lock holder spring 63.
  • the lock holder 10 In the release position of the bayonet lock system 13, the lock holder 10 is in the open position and the front cover 2 is unlocked and released for opening. A displacement of the blocking element 17 by means of the handle 14 thus causes a transfer of the bayonet locking system 13 from the intermediate position to the release position, ie the bayonet lock system 13 is manually transferred from the intermediate position to the release position.
  • Fig. 8 shows the front hood 2 in the open position.
  • the driver 20 which is slidably received in the second closure member 16, in a driving position, which is shown in Fig. 8 by solid lines.
  • a passive position of the driver 20 which is shown in Fig. 8 with dashed lines and in Figs. 6 and 7 with solid lines, pushes a soul 83 of a Bouwdenzuges 81 with a shell 82 when opening the front cover 2, the driver 20 in the takeaway position.
  • a contact between the slider 84 and the rear end 85 of the soul 83 is released and the driver 20 remains in the driving position.
  • Fig. 8 also shows how a roller 86 is pivotally mounted on the front cover 2 via a rod 87.
  • the rod 87 is held against a stop 89 by a rod spring 88 in the position shown in FIG.
  • Fig. 9 shows an interaction of the roller 86 with the driver 20 during a movement of the front hood 2 in the direction of the closed position of the front hood 2.
  • the roller 86 touches the driver 20.
  • the front hood 2 is moved further towards the closed position and the roller 86 pushes the second closure member 16 via the driver 20 against the spring force of the compression spring 59.
  • the joint edge 62 not yet touched located during the closing operation of the front cover 2 of the knob 18 on the pressure spring 59 facing side of the blocking element 17, as shown in Fig. 10.
  • Fig. 10 shows the bayonet lock system 13 when adjusting in the closed position.
  • the displacement of the second closure member 16 into the position shown in Fig. 10 is a means of the lock spring 63 driven movement of the lock holder 1 0 from the open position, which is shown in phantom in Fig. 10, toward the closed position, which in Fig. 10 by means of solid Lines are marked, free.
  • the button 18 slides along the guide slot 19 in the direction of the compression spring 59 and can take the dashed position shown in Fig. 10.
  • the pushing of the second closure member 16 via the front hood 2, the rod 87, the roller 86 and the driver 20 causes a tensioning of the compression spring 59.
  • the effect of the weight of the front hood 2 on the second closure member 16 is significantly greater than the counteracting spring force the compression spring 59.
  • the front hood 2 is pulled in the closed position upon rotation of the rotary latch 4 of the Vorrastsannon in the main position, thereby pushing the abutment edge 62 down, wherein the blocking element 17 in the blocking position shown in Fig. 6 is transferred.
  • a lever 91 which is arranged on the front hood 2, is moved is, the driver 20 in the passive position, which is shown in dashed lines in Fig. 10.
  • the passive position a movement of the roller 86 is released with respect to the second closure member 16, so that when adjusting the bayonet closure system 13 from the intermediate position to the release position and when moving the front cover 2 to the closed position, the roller 86 on a surface 92 of the second closure member 16 can roll.
  • the driver 20 preferably has a boom which cooperates with the lever 91 such that upon displacement of the driver 20 in the passive position of the boom in the driver is retractable and upon movement of the front cover 2 from the closed position in the open position of the lever 91st passes the boom without the boom and thus adjust the driver, so that the driver 20 remains in the passive position.
  • the first closure member 15 is rotated relative to the second closure member 16 into the closing angle position, which is shown in FIG. 5 or FIG. 5 a, and thus brings the bayonet closure system 13 into the closed position ,
  • the rotary latch 4 may have an opening end position with the Vorrastsannon. Characterized in that the lock holder 10 abuts the second closure member 16 during a movement of the front hood 2 in the direction of the closed position as shown in Fig. 9, the lock holder from a position as shown in Fig. 9 by a further movement of the front cover 2 in the direction the closed position to be moved from the closed position in the direction of the opening position. This depends in particular from a geometric arrangement of the lock holder 10, the coupling element 1 1, the rod 87 and the bayonet lock system 13 from each other.
  • the rotary latch 4 in the embodiment shown in Figures 1 to 10 has an opening end position in which the rotary latch 4 is seen from the Vorrastsannon further rotated in the opening direction of rotation 21.
  • the pawl 12 can be actuated for example via the second electric motor 7, as soon as the front hood 2 has reached the open position, and release a rotation of the rotary latch 4 in the opening direction of rotation 21, so that the rotary latch 4 is transferred to the opening end position.
  • the lock holder 10 can also be received by the catch 4 without being knocked against the second closure member 16 by means of the catching arm 28.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Lock And Its Accessories (AREA)
  • Superstructure Of Vehicle (AREA)

Abstract

L'invention concerne un dispositif de sécurité (1), présentant un capot avant (2), une serrure (3) de capot pourvue d'un élément d'accrochage de serrure (10), pour un véhicule automobile, la serrure de capot (3) comportant un loquet rotatif (4) présentant une position de pré-encliquetage et une position d'encliquetage principale, dans laquelle le capot avant (2) est verrouillé et fermé, un entraînement électrique (5) qui fait passer le loquet rotatif (4) de la position d'encliquetage principale dans la position de pré-encliquetage, et un système de fermeture à baïonnette (13) présentant une position de fermeture, une position de libération et une position intermédiaire. Dans la position de fermeture, le loquet rotatif (4) se trouve dans la position d'encliquetage principale, dans la position intermédiaire, le loquet rotatif (4) se trouve dans la position de pré-encliquetage et l'élément d'accrochage de serrure (10) est en prise avec le loquet rotatif (4) et dans la position de libération, l'élément d'accrochage de serrure (10) est libéré par le loquet rotatif et le capot avant (2) est déverrouillé.
EP16756572.0A 2015-08-11 2016-07-26 Dispositif de sécurité présentant un capot avant et un système de fermeture à baïonnette Active EP3334876B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015113222.2A DE102015113222A1 (de) 2015-08-11 2015-08-11 Sicherheitsvorrichtung mit einer Fronthaube und einem Bajonettverschlusssystem
PCT/DE2016/100336 WO2017025081A1 (fr) 2015-08-11 2016-07-26 Dispositif de sécurité présentant un capot avant et un système de fermeture à baïonnette

Publications (2)

Publication Number Publication Date
EP3334876A1 true EP3334876A1 (fr) 2018-06-20
EP3334876B1 EP3334876B1 (fr) 2019-06-26

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EP16756572.0A Active EP3334876B1 (fr) 2015-08-11 2016-07-26 Dispositif de sécurité présentant un capot avant et un système de fermeture à baïonnette

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Country Link
US (1) US11199032B2 (fr)
EP (1) EP3334876B1 (fr)
CN (1) CN108138516B (fr)
DE (1) DE102015113222A1 (fr)
WO (1) WO2017025081A1 (fr)

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CN105378200B (zh) * 2013-07-17 2018-05-15 麦格纳覆盖件有限公司 应用于动力系拉和闩锁机构的双马达装置
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Also Published As

Publication number Publication date
US20180230718A1 (en) 2018-08-16
EP3334876B1 (fr) 2019-06-26
WO2017025081A1 (fr) 2017-02-16
DE102015113222A1 (de) 2017-02-16
CN108138516A (zh) 2018-06-08
US11199032B2 (en) 2021-12-14
CN108138516B (zh) 2020-04-10

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