EP3320164A1 - Sicherheitsvorrichtung für fronthauben mit elektrischem antrieb - Google Patents
Sicherheitsvorrichtung für fronthauben mit elektrischem antriebInfo
- Publication number
- EP3320164A1 EP3320164A1 EP16751468.6A EP16751468A EP3320164A1 EP 3320164 A1 EP3320164 A1 EP 3320164A1 EP 16751468 A EP16751468 A EP 16751468A EP 3320164 A1 EP3320164 A1 EP 3320164A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotary latch
- lock holder
- safety device
- main
- 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
Links
Classifications
-
- 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
- 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
- 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
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C3/00—Fastening devices with bolts moving pivotally or rotatively
- E05C3/12—Fastening devices with bolts moving pivotally or rotatively with latching action
- E05C3/16—Fastening devices with bolts moving pivotally or rotatively with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch
- E05C3/22—Fastening devices with bolts moving pivotally or rotatively with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch the bolt being spring controlled
- E05C3/24—Fastening devices with bolts moving pivotally or rotatively with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch the bolt being spring controlled in the form of a bifurcated member
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/0025—Devices for forcing the wing firmly against its seat or to initiate the opening of the wing
- E05B17/0033—Devices for forcing the wing firmly against its seat or to initiate the opening of the wing for opening only
- E05B17/0037—Spring-operated
-
- 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
- E05B77/00—Vehicle locks characterised by special functions or purposes
- E05B77/02—Vehicle locks characterised by special functions or purposes for accident situations
- E05B77/08—Arrangements for protection of pedestrians
-
- 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
- E05B81/14—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
- E05B81/20—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators for assisting final closing or for initiating opening
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S292/00—Closure fasteners
- Y10S292/14—Hood latches
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T292/00—Closure fasteners
- Y10T292/08—Bolts
- Y10T292/1043—Swinging
- Y10T292/1044—Multiple head
- Y10T292/1045—Operating means
- Y10T292/1047—Closure
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T292/00—Closure fasteners
- Y10T292/08—Bolts
- Y10T292/1043—Swinging
- Y10T292/1075—Operating means
- Y10T292/1079—Gear
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T292/00—Closure fasteners
- Y10T292/08—Bolts
- Y10T292/1043—Swinging
- Y10T292/1075—Operating means
- Y10T292/108—Lever
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T292/00—Closure fasteners
- Y10T292/08—Bolts
- Y10T292/1043—Swinging
- Y10T292/1075—Operating means
- Y10T292/1082—Motor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T292/00—Closure fasteners
- Y10T292/08—Bolts
- Y10T292/1043—Swinging
- Y10T292/1075—Operating means
- Y10T292/1083—Rigid
- Y10T292/1092—Swinging catch
Definitions
- the invention relates to a safety device for a motor vehicle, comprising a front hood and a hood lock with a lock holder.
- 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.
- the opening of the front hood happens from the vehicle interior.
- an opening mechanism with the aid of a Bowden cable is realized for opening 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 must be performed starting from the vehicle interior to the front of the front hood to several components in the engine compartment, which requires space in the engine compartment and thus less space for an arrangement of these 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 open the bonnet is also impractical for an operator, as this one end of the Bowden cable, which is usually found below a dashboard, must search, and only with considerable effort can move the Bowden cable.
- a use of the Bowden cable facilitates compliance with required safety standards for front hoods, which are generally higher than those for tailgates.
- a safety device for a motor vehicle comprising a front hood and a hood lock, wherein the hood lock comprises a rotary latch with a Vorrastsannon and a Hauptastastwolf and an electric drive.
- the electric drive causes a switching of the rotary latch from the main latching position in the Vorrastsannon, wherein in the main latching position, the front cover is locked and closed.
- the lock holder is manually movable between a closed position in which the lock holder is engaged with the rotary latch and the front cover is locked, and an open position in which the lock holder is released from the rotary latch and the front cover is unlocked.
- the electric drive is preferably via a switch and / or a control unit, which or which is connected to the electric drive via at least one cable, controllable, switched on and / or off and preferably in a first direction rotatably controllable and optionally in a second to the first oppositely oriented direction rotatably controllable.
- 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 is actuated be placed anywhere on a dashboard of a 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, and engages around the latch holder such that a release of the latch holder is blocked.
- the lock holder is manually immobile when the catch is in the main latching position, in particular not with a handle purely mechanically solvable.
- the rotary latch has an inlet mouth, which is formed by a load arm and a catching arm, wherein in the main latching position the inlet mouth engages around the lock holder.
- the lock holder can be designed as a bolt, pin or striker and the inlet mouth bifurcated.
- the lock holder is blocked in the main locking position by means of the load arm.
- the lock holder can generally be regarded as a connecting element between the rotary latch and the front hood, which cooperates directly with the rotary latch and can be locked and unlocked by means of the rotary latch, wherein a locking or unlocking of the lock holder causes a locking or unlocking of the front hood.
- the lock holder is arranged on the front hood and the catch on a body-mounted component of a motor vehicle.
- the lock holder can also be arranged on a body-mounted component of the motor vehicle and the rotary latch 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.
- a rotary latch blocking element such as a pawl
- the catch has a Vorrastkontur and a Hauptastraining contour, which can each interact independently of each other with a counter-latching contour of the Dreh fallenblockierettis upon rotation of the rotary latch in the opening direction and in a closed direction of rotation, which is opposite to the opening direction.
- the pre-locking contour or the main locking contour particularly advantageously passes the counter-latching contour of the locking pawl.
- the Vorrastkontur or the Main catch contour seen in the closing direction of rotation in front of the counter-locking contour of the pawl engages the counter-latching contour, preferably spring loaded, in the Vorrastkontur or the main catch contour and blocks rotation of the catch in the opening direction, the catch assumes the Vorrastsannon or main latching position.
- 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 latching pawl.
- 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.
- the front hood In the main position of the catch the front hood is closed. Closed means that the front hood, which is movable in a first direction in an open position and in a second, opposite to the first direction to a closed position, is in the closed position.
- an elastic element of the safety device such as a rubber seal, which is adjacent in the closed position on the front cover or disposed on the front hood, is compressed.
- a front hood is in Meaning of the invention, a hood meant, which is arranged in the vehicle direction in front of a windshield of a motor vehicle.
- the rotary latch starts from the main latching position of the rotary latch causes the electric drive in its activation or control switching the catch from the main latching position in the Vorrastsannon.
- the electric drive can be activated, for example, from the vehicle interior or by remote control from the vehicle exterior.
- 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.
- an engagement region for gripping a handle or the lock holder is provided during this movement of the front hood.
- the catch preferably via the pawl, blocked in the opening direction of rotation and the lock holder is, if it is in the closed position, with the catch in engagement.
- the rotary latch in the Vorrastsander the rotary latch 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 in is oriented substantially perpendicular to a vehicle longitudinal axis.
- the lock holder in the Vorrastsannon from the closed position to the open position manually, ie for an operator of the safety device, movable, the lock holder is preferably held spring loaded in the closed position.
- manually movable means in particular exclusively mechanically, ie, normally and without electrical aids.
- the lock holder in the pre-engaged position, is accessible to an operator from the outside of the safety device, for example via a handle of the safety device, such as an actuating lever, which is kinematically connected to the lock holder.
- the lock holder is mechanically releasable in the pre-locked position by an operator.
- the lock holder is movable in the pre-locking position from the closed position to the opening position at least in a direction perpendicular to the blocking direction.
- the lock holder is movable in the pre-locking position from the closed position to the opening position obliquely to Blockadeides. This can result in a more ergonomic operation of the lock holder, since an operator of the safety device when releasing the lock holder obliquely down to the lock holder or the handle engages.
- the catch remains stationary during the adjustment of the lock holder from the closed position to the open position.
- the rotary latch follows at least partially an adjustment of the lap holder from the closed position to the open position via a rotation.
- the rotary latch can be released manually from the pre-locking position.
- the front hood can be unlocked from the pre-locking position of the rotary latch by means of at least two manual actuations, firstly by manually releasing the rotary latch from the pre-locking position and secondly by manually moving the lock holder from the closed position to the open position.
- a further embodiment may provide that via a manual release of the catch from the pre-locking position, the rotary latch supported by the biased rotary latch spring element spring-loaded rotates in the opening direction, thereby moving the lock holder from the closed position to the open position.
- the lock holder is manually movable indirectly via a release of the rotary latch.
- the lock holder is preferably receivable or catchable by means of the catching arm of the rotary latch when the front hood closes.
- the front hood is locked in the closed position of the lock holder and the pre-locking position of the rotary latch, starting from a closed state of the front hood a double operation of the safety device is provided for unlocking the front hood.
- the switching of the rotary latch from the main latching position to the pre-latching position is effected according to the invention by means of the electric drive, which has an output shaft.
- the electric drive which 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 during a movement of the Output shaft causes a unlatching of the catch from the main position.
- the release lever against a spring force acting on the pawl move the pawl and move the counter-latching contour away from the main catch contour and free from the detent 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.
- 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 collecting the front hood.
- 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 engagement means that movement of the output shaft directly causes movement of the rotary latch, i. the output shaft is mechanically coupled to the rotary latch.
- a movement of the front hood in the open position during the switching of the rotary latch from the main latching position is controlled in the Vorrastsannon, ie in that both an initial acceleration of the front hood and a deceleration acceleration can be controlled shortly before the pre-ratchet division of the rotary latch is reached, wherein the initial acceleration and the deceleration acceleration advantageously have a parabolic shape over time.
- the deceleration acceleration may be reduced as the catch approaches the pre-ratchet pitch, thereby minimizing ringing of the bonnet after the ratchet has reached the pre-ratchet pitch.
- the lock holder is easier to grip and it can be a more comfortable opening the bonnet 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 Vorrastsannon in 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 of the rotary latch from the Vorrastsannon in the main latching position causes in comparison to the prior art more powerful and in particular controllable engagement of the rotary latch in the main latching position.
- a more powerful and in particular a controllable engagement of the rotary latch allows a realization of a smaller gap between the front hood in the closed state and another adjacent to the front hood body part.
- a power transmission is provided by the electric drive to the rotary latch, which increases as the rotary latch approaches the main latching position. This is the elastic Element which rests on the bonnet 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 to be arbitrarily retarded into the main latching contour.
- a pawl spring which moves the counter-latching contour via the pawl in the main catch contour, 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 to increase the lock-in period is to increase a clearance between the bonnet in the closed state and another body part, for example a headlamp, as this increases the distance traversing the main stop contour within the engagement period becomes.
- a manual holding the front cover would be in a position in which the main locking contour in a locking operation in the closing direction immediately before the counter-locking contour of the pawl is located and the elastic element is compressed, almost impossible with a small gap.
- 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 one further body element changeable, 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 lock holder is designed to be pivotable.
- the lock holder via a coupling element, such as a bolt, be pivotally mounted on the front hood.
- the safety device may have a handle, which allows pivoting of the lock holder from the closed position to the open position in the Vorrastsander the rotary latch.
- the lock holder preferably in the direction of a longitudinal extension of the front hood, is displaceable.
- a variant can provide that the lock holder is guided along the front hood by means of a coupling element, such as a rail.
- the longitudinal extension is particularly advantageous aligned parallel to a vehicle longitudinal axis. This has the advantage that the lock holder is displaceable by pulling or pressing in a direction parallel to the vehicle longitudinal axis in the open position, which makes an operation of the safety device more comfortable.
- the lock holder is displaceable transversely to the vehicle longitudinal axis. This can have an advantageous effect on the safety device in that, in the event of a frontal collision of the vehicle, the lock holder is more difficult to move from the closed position to the open position as a result of an impact of an accident opponent.
- a further embodiment provides that the safety device has a handle, which allows in the Vorrastsander a displacement of the lock holder from the closed position to the open position.
- the handle is transferred to an accessible operating position when switching the catch from the main latching position in the Vorrastsannon.
- the rotary latch when switching the handle drive or a spring-loaded lever, which transfers the handle in the accessible operating position, release.
- the handle is in the Vorrastsannon directly connected to the lock holder.
- the lock holder is movable directly by means of the handle, i. in particular displaceable and / or pivotable. It is also conceivable that the lock holder executes a movement when adjusting from the closed position to the open position, which is composed of a pivoting and a displacement. It is also possible that the handle is connected indirectly in the Vorrastsannon with the lock holder, for example via a spring element.
- the spring element can be tensioned when pulling or pushing the handle, wherein a spring force can be built up. This allows a gentle tightening or pressing the handle for moving the lock holder, which is preferably spring-loaded in the closed position.
- a damping element between the handle and the lock holder may be connected, which advantageously damps a power surge between the lock holder and the handle, so that an operation of the handle is more comfortable and thus more practical.
- the handle in the main latching position, is kinematically separated from the latch holder, i.
- the lock holder can not be moved over the handle.
- 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. 5 is a sectional view of a section of the safety device according to
- Fig. 1 with a handle
- Fig. 6 is a sectional view of a section of the safety device according to
- Figure 1 with a pivoting lock holder.
- Fig. 7 is a sectional view of another safety device
- Fig. 8 is a sectional view of a section of the safety device according to
- Fig. 7 with a sliding lock holder.
- FIG. 1 shows a sectional view of a safety device 1 with a front hood 2, a hood lock 3 and a handle 51.
- the hood lock 3 has a rotary latch 4 and an electric drive 5, which comprises a first electric motor 6 and a second electric motor 7.
- the front hood 2 is closed in the position shown by solid lines in FIG. 1, 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.
- the security device 1 has a lock holder 10, which is designed as a striker and is arranged on the front hood 2 via a coupling element 1 1.
- the rotary latch 4 and a pawl 12 are each rotatable on a body-mounted component, not shown arranged.
- the rotary latch 4 is in the position shown in Fig. 1 in the main latching position.
- FIG. 2 shows a sectional view of a detail of the security device 1.
- the rotary latch 4 has a pivot point 23, an opening direction of rotation 21 and an oppositely oriented closing direction of rotation 22 and is shown in Fig. 2 in an opening end position. In the opening end position, the rotary latch bears against a stop, not shown. Furthermore, the rotary latch 4 has a Vorrastkontur 24 and a main catch contour 25 each in the form of a projection and an inlet mouth 27, which is formed by a tentacle 28 and a load arm 29. The pre-locking contour 24 and the main locking contour 25 can each cooperate with a counter-latching contour 26 of the pawl 12.
- 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 unlocked and released.
- Fig. 3 shows a sectional view of a section of the safety device 1, wherein the rotary latch 4 is in a Vorrastsannon.
- the pawl 12 is held pressed against the rotary latch 4 by means of a pawl spring element 31, such as a tension, compression or coil spring.
- the catch 4 is in the Vorrastsannon means of a rotary latch spring element 32, such as a tension, compression or coil spring, spring-loaded in the opening direction of rotation 21, whereby the Vorrastkontur 24 is press-positioned against the counter-latching contour 26 in the Vorrastsander.
- Fig. 4 shows a sectional view of a section of the safety device 1, wherein the rotary latch 4 is in the main latching position.
- the main locking position is achieved by the rotary latch 4 is rotated from the Vorrastsannon according to FIG. 3 from 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.
- a movement of the rotary latch 4 in the direction of the main latching position can be effected by means of a combination of a manual depression and an electric drive of the first electric motor 6.
- a torque to a drive gear 35 of the rotary latch 4 are transmitted, wherein the torque is oriented in the closing direction of rotation 22.
- the first electric motor 6 is activated to drive the rotary latch in the closing direction of rotation, as soon as a movement of the rotary latch 4 is detected in the closing direction, for example by means of a sensor which can be designed as a helical potentiometer.
- a detection of the movement of the rotary latch 4 in the closing direction of rotation can also be made possible by operating the first electric motor 6 in the generator mode, wherein a rotation of the Rotary latch 4 generates a current flow in the first electric motor 6 in the closing direction of rotation.
- the main latching contour 25 passes the counter-latching contour 26 and the main latching contour 25 is located in the closed direction of rotation 22 in front of the counter-latching contour 26, whereby the counter-latching contour 26 can latch into the main latching contour 24 and then the catch 4 occupies the main position.
- 4 further shows a circular body-mounted brake block for braking the rotary latch 4 in the closing direction of rotation, wherein in the main latching position a clearance between the rotary latch 4 and the brake block is present to allow engagement of the rotary latch in the main latching position.
- the inlet mouth 30 engages around the lock holder 10 and the pawl 12 blocks rotation of the rotary latch 4 in the opening direction of rotation 21, whereby the front hood 2 is locked, closed and blocked in the open position.
- the load arm 29 is formed such that in the main latching position of the rotary latch 4, at least at one point of the inlet mouth 30 occupies a surface of the load arm 29 with a lower edge of the front hood 2 an angle 41 of at least 10 degrees. This can in a frontal impact, in which the catch 4 is moved relative to the front hood 2 in the direction of travel, an increased pulling the front hood 2 in the direction of the rotary latch 4 and thus a firmer pressing the front hood 2 to another body element, for example, the stationary component.
- the first electric motor 6 After the counter-locking contour 26 is engaged in the main catch contour 24, the first electric motor 6, if it has been activated to switch from the Vorrastsannon in the main rest position, deactivated.
- the first electric motor 6 can be operated for a short time in a generator mode for detection of the rotary latch position, preferably operated intermittently between motor mode and generator mode, wherein a current signal different from zero is generated in the generator mode, if the rotary latch has not yet reached the main latch position. After the catch has assumed the main latch position, the catch rests and the current signal in the generator mode reaches a zero value.
- Such an operating mode of the first electric motor 6 makes it possible to dispense with a sensor for detecting the rotary latch position or to a precise tuning of the first electric motor 6 to the geometry of the rotary latch 4.
- 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, via a pawl driven gear 36 and a pawl drive gear 33, moves the pawl 12 to the dashed release position shown in FIG. 4, in which the catch 4 is released in the opening direction.
- the first electric motor 6 causes a switching of the rotary latch 4 from the main latching position shown in Fig. 4 in the Vorrastsannon shown in Fig. 3, wherein the safety device 1 during this switching has a mechanical operative connection.
- the mechanical operative connection is through the output gear 34, which is positively connected to the output shaft of the the first electric motor 6, and the drive gear 35, which is positively connected to the rotary latch 4, is formed, wherein the driven gear 34 meshes with the drive gear 35.
- the rotary latch 4 is spring-biased by means of the rotary latch spring element 32 from the main latching position into the pre-latching section after the pawl 12 has reached the release position.
- Another embodiment may provide cooperative driving of the rotary latch 4 by means of the electric motor 6 and the rotary latch spring element 32.
- the teaching of the invention does not necessarily provide an electrical driving of the rotary latch 4 or 1 04 when switching the rotary latch 4 and 104 of the main latching position in the Vorrastsannon before. Consequently, an embodiment of the teaching according to the invention according to FIGS. 1 to 8 is also possible without the first electric motor 6 or 1 06.
- the switching of the rotary latch 4 from the main latch position to the pre-latching division is effected in this case by the second electric motor 7 as described above.
- FIG. 5 shows a sectional view of a section of the safety device 1 with a handle 51 which is kinematically connected to the lock holder 10.
- the handle 51 of Au health for an operator of the security device 1 is manually inaccessible.
- the handle 51 has a cam slot 53 and is guided backdrop controlled on a slide pin 54 which is fixedly disposed on the front cover 2 and the slide slot 53rd be upheld.
- the tentacle 28 moves the front hood 2, starting from the position shown in Fig. 5 by solid lines in the raised position shown in dashed lines.
- the first electric motor 6 supports this movement of the front hood 2 by driving the rotary latch 4, whereby the load arm 28 raises the front hood 2.
- an engaging portion for an operator of the safety device 1 is formed between a front end 52 of the front cover 2 and the handle 51.
- the handle 51 is also raised in Vorrasts republic the rotary latch 4 as the front cover 2 and brought by providing the engagement area in an accessible position, which is shown in dashed lines in Fig. 5.
- the handle preferably has a handle.
- Fig. 6 shows a sectional view of a section of the safety device 1, wherein the lock holder 10 is designed to be pivotable.
- the coupling element 1 1 has a hinge 61, which connects the lock holder 10 pivotally connected to the front hood 2.
- the closed position of the lock holder 10 is shown by solid lines, in which the lock holder 10 by means of the handle 51 is manually movable.
- the lock holder 10 is spring-loaded in the direction of the inner end 30 of the inlet mouth 27.
- Fig. 6 shows a sectional view of a section of the safety device 1, wherein the lock holder 10 is designed to be pivotable.
- the coupling element 1 1 has a hinge 61, which connects the lock holder 10 pivotally connected to the front hood 2.
- the closed position of the lock holder 10 is shown by solid lines, in which the lock holder 10 by means of the handle 51 is manually movable.
- the lock holder 10 is spring-loaded in the direction of the inner end 30 of the inlet mouth
- the lock holder 10 is in the closed position on the load arm 29 of the rotary latch 4, ie the lock holder 10 is engaged with the rotary latch 4, wherein the front cover 2 is immovable in the direction of the open position of the front cover 2, ie is locked.
- the lock holder 10 is released from the rotary latch 4 and the front hood 2 is movable in the direction of the open position, ie the front hood 2 is unlocked.
- the front hood 2 can be lifted slightly, which is not shown in FIG. 6 for the sake of clarity.
- the handle 51 may have a cam, which operates on a movement of the lock holder 10 from the closed position to the open position by the handle 51 on a boom of the pawl and the counter-locking contour moves from Vorrastkontur, thereby rotating the rotary latch 4 in the opening direction 21st is released.
- a sensor in the pre-ratchet division of the rotary latch 4 detects the position of the front hood 2 and, as soon as the front hood 2 performs a movement from the closed position to the open position, releases an unlock signal to a control unit.
- the second electric motor 7 can be actuated by means of the control unit and drive the pawl 12 and move it into the release position shown in broken lines.
- the rotary latch 4 is then released in opening direction 21. Subsequently, the rotary latch 4 is spring-loaded via the rotary latch spring element 32 in the direction of the opening direction of rotation 21 and moves into the opening end position in which the lock holder can be caught by the catching arm 28 during a closing movement of the front hood 2.
- FIG. 7 shows a sectional view of a further safety device 101 with a front hood 102, a hood lock 103 and a handle 151.
- the hood lock 103 has a rotary latch 104 and an electric drive 1 05, which has a first electric motor 106 and a second electric motor 107 Has.
- the front hood 1 02 is closed in the position shown in Fig. 7, that is, it is in the closed position.
- an elastic element 108 such as a sealing rubber, which is arranged in the closed position between a stationary component 109 of the safety device 101 and the front hood 102, compressed.
- the open position of the front hood 102 is shown in dashed lines in Fig. 1.
- the safety device 101 has a lock holder 1 10, which is designed for example as a striker and is arranged on the front hood 102 via a coupling element 1 1 1.
- the rotary latch 104 and a pawl 1 12 are each arranged on a body-mounted component, not shown.
- the rotary latch 104 is in the position shown in Fig. 7 in the main latching position.
- All components of the safety device 101 shown in FIG. 7 are identical to the components of the safety device 1 shown in FIG. 1 and have the same functionality as the components of the safety device 1 shown in FIG. 1, with the exception of the coupling element 1 1 1 and
- the safety device 101 has the same functionality as described in FIGS. 1, 2, 3, 4 and 5 for the safety device 1 and furthermore has the same components as those shown in FIGS. 1, 2, 3, 4 and 5 are described for the safety device 1, with the exception of the coupling element 1 1 1 and the lock holder 1 10.
- FIG 8 shows a sectional view of a section of the safety device 101, wherein the lock holder 1 10 is designed to be displaceable.
- the coupling element 1 1 1, a guide rail 120, on which the lock holder slides along 1 1 0 during transfer from the closed position to the open position.
- the closed position of the lock holder 1 10 is shown by solid lines, in which the lock holder 1 10 by means of the handle 151st is manually movable.
- the lock holder 1 10 is spring-loaded in the direction of an inner end 130 of an inlet mouth 127 of the rotary latch 104. As shown in Fig.
- the lock holder 1 10 is in the closed position on the load arm 1 29 of the rotary latch 104, ie the lock holder 1 10 is engaged with the rotary latch 104, wherein the front cover 102 in the direction of the open position of the front cover 1 02 is immovable, that is locked.
- the front cover 102 In the open position of the lock holder 1 10 of the lock holder 1 10 is released from the rotary latch 104 and the front cover 102 is movable in the direction of the open position, ie the front cover 102 is unlocked.
- the front cover 102 In a movement of the lock holder 1 10 from the closed position to the open position, depending on a shape of the inlet mouth 1 27, the front cover 102 can be easily raised, which is not shown in Fig. 8 for clarity.
- the lock holder 1 10 is designed as a rigid component and has a constant length, width and height when transferring from the closed position to the open position.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
- Superstructure Of Vehicle (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015111149.7A DE102015111149A1 (de) | 2015-07-09 | 2015-07-09 | Sicherheitsvorrichtung für Fronthauben mit elektrischem Antrieb |
| PCT/DE2016/100295 WO2017005246A1 (de) | 2015-07-09 | 2016-07-01 | Sicherheitsvorrichtung für fronthauben mit elektrischem antrieb |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3320164A1 true EP3320164A1 (de) | 2018-05-16 |
| EP3320164B1 EP3320164B1 (de) | 2020-01-29 |
Family
ID=56686602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16751468.6A Active EP3320164B1 (de) | 2015-07-09 | 2016-07-01 | Sicherheitsvorrichtung für fronthauben mit elektrischem antrieb |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US11268297B2 (de) |
| EP (1) | EP3320164B1 (de) |
| CN (1) | CN107849876B (de) |
| DE (1) | DE102015111149A1 (de) |
| WO (1) | WO2017005246A1 (de) |
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| US11499350B2 (en) | 2019-02-14 | 2022-11-15 | GM Global Technology Operations LLC | Integrated door release and present system |
| CN110566077B (zh) * | 2019-09-20 | 2024-04-09 | 佛山昱希汽车科技有限公司 | 一种汽车电动前盖开闭系统及其控制方法 |
| CN112224288A (zh) * | 2020-10-27 | 2021-01-15 | 杨克群 | 一种新能源汽车用自动开关汽车前盖 |
| DE102020128865B4 (de) * | 2020-11-03 | 2024-02-08 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Frontklappenantrieb, Frontklappensystem und Kraftfahrzeug |
| CN112878822B (zh) * | 2021-03-31 | 2024-11-19 | 南京康尼机电股份有限公司 | 一种锁闭装置 |
| DE102022116438A1 (de) * | 2022-07-01 | 2024-01-04 | Bayerische Motoren Werke Aktiengesellschaft | Frontklappenscharnier für ein Kraftfahrzeug und Kraftfahrzeug mit einem derartigen Frontklappenscharnier |
| CN115234109B (zh) * | 2022-09-26 | 2022-11-29 | 张家港长城汽车研发有限公司 | 发动机罩锁定装置、发动机罩总成及车辆 |
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| KR101372022B1 (ko) * | 2012-08-24 | 2014-03-07 | 기아자동차주식회사 | 차량용 2단 가이드 후드 래치 장치 |
| DE102013003956B4 (de) * | 2013-03-07 | 2022-01-05 | Volkswagen Aktiengesellschaft | Sicherheitseinrichtung, crashaktive Fronthaube |
| DE112014003306T5 (de) * | 2013-07-17 | 2016-05-12 | Magna Closures Inc. | Doppelmotorgerät mit Anwendung in Kraftanzieh- und Schlossmechanismus |
| US9458647B2 (en) * | 2013-10-29 | 2016-10-04 | Mg Tech Center Bv H.O.D.N. Lock Technology | Rotary blocking device |
| KR101526958B1 (ko) * | 2013-10-31 | 2015-06-09 | 현대자동차주식회사 | 차량용 후드래치 구조 |
| DE102015113222A1 (de) * | 2015-08-11 | 2017-02-16 | Kiekert Ag | Sicherheitsvorrichtung mit einer Fronthaube und einem Bajonettverschlusssystem |
| DE102015116669A1 (de) * | 2015-10-01 | 2017-04-06 | Kiekert Ag | Sicherheitsvorrichtung mit manuell entriegelbarer Fronthaube |
| DE102015116775A1 (de) * | 2015-10-02 | 2017-04-06 | Kiekert Ag | Sicherheitsvorrichtung für Fronthauben mit elektrischem Antrieb u.rastbarem Stellglied |
| KR101806622B1 (ko) * | 2015-10-07 | 2017-12-07 | 현대자동차주식회사 | 차량의 후드래치 조립체 및 그 작동방법 |
| DE102019101992A1 (de) * | 2018-01-29 | 2019-08-01 | Magna Closures Inc. | Betätigter Mechanismus für aktive Fußgänger-Sicherheitsverriegelung |
| KR102673002B1 (ko) * | 2018-11-01 | 2024-06-05 | 현대자동차주식회사 | Adas 연계 상시 작동 액티브 후드 장치 |
-
2015
- 2015-07-09 DE DE102015111149.7A patent/DE102015111149A1/de not_active Withdrawn
-
2016
- 2016-07-01 EP EP16751468.6A patent/EP3320164B1/de active Active
- 2016-07-01 CN CN201680040284.4A patent/CN107849876B/zh active Active
- 2016-07-01 US US15/742,906 patent/US11268297B2/en active Active
- 2016-07-01 WO PCT/DE2016/100295 patent/WO2017005246A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| CN107849876A (zh) | 2018-03-27 |
| US11268297B2 (en) | 2022-03-08 |
| EP3320164B1 (de) | 2020-01-29 |
| US20180216366A1 (en) | 2018-08-02 |
| CN107849876B (zh) | 2019-12-31 |
| DE102015111149A1 (de) | 2017-01-12 |
| WO2017005246A1 (de) | 2017-01-12 |
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