EP3356624A1 - Sicherheitsvorricthung mit manuell entriegelbarer fronthaube - Google Patents
Sicherheitsvorricthung mit manuell entriegelbarer fronthaubeInfo
- Publication number
- EP3356624A1 EP3356624A1 EP16787717.4A EP16787717A EP3356624A1 EP 3356624 A1 EP3356624 A1 EP 3356624A1 EP 16787717 A EP16787717 A EP 16787717A EP 3356624 A1 EP3356624 A1 EP 3356624A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotary latch
- front hood
- safety device
- hood
- main
- 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
- 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
- E05B83/243—Hood clamps, i.e. individually actuated, usually yielding hooks
-
- 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
- E05B81/16—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on locking elements for locking or unlocking action
-
- 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
- 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
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
- E05C19/006—Other devices specially designed for securing wings, e.g. with suction cups by displacement of the wing substantially in its own plane
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 12 835 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 for unlocking the front hood is also impractical for an operator, as this one end of the Bowden cable, which is usually found below a dashboard, looking for, and can move the Bowden cable only with considerable effort.
- 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 Vorrastsannon and a Hauptastastwolf and an electric Drive has.
- the electric drive causes a switching of the rotary latch from the main latching position in the Vorrastsander, wherein in the main latching position, the front cover is locked and closed.
- the front cover is from a front hood locking position in which the lock holder is engaged with the rotary latch and the front cover is locked toward a front cover unlocking position in which the lock holder is released from the rotary latch and the front cover is unlocked , manually convertible.
- 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 rotationally controllable and optionally in a second to 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 Vorrastsander.
- 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, 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 an inlet mouth, which is formed by a load arm and a catching arm, wherein in the main latching position the inlet mouth surrounds the lock holder such that a movement of the lock holder is blocked.
- the front hood is manually immobile when the catch is in the main latching position, in particular not with a handle purely mechanically solvable.
- the lock holder can be designed as a bolt, pin or striker and the inlet mouth bifurcated. In particular, 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 rotary latch 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 on the front hood.
- an arrangement of the rotary latch on the front hood is significantly facilitated by the electric drive of the hood lock, since in this embodiment, only a cable instead of a Bowden cable must be performed along the movable front hood.
- An arrangement of the rotary latch on the front hood can be advantageous from a production point of view to the effect that the rotary latch and the electric drive can be mounted better on a single front hood than in an already stocked engine compartment.
- the hood lock has a rotary latch blocking element, such as a pawl, on which the catch in the main latching position and / or in the Vorrastsannon locks, with a lock means blocking the catch in the opening direction.
- 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 fallenblockierianas 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 before the counter-locking contour of the pawl engages the counter-locking 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 Vorrasts whatsoever 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 beyond the Vorrastsannon without a lock by means of the pawl is immovable in the opening direction, ie, that the catch with the Vorrastsannon 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 in a first direction in an open position and in a second, opposite to the first direction to a closed position movable, in particular pivotable and / or rotatable, is in the closed position and the closed position out in the second direction is neither manually nor mechanically movable.
- a bonnet is a bonnet which is arranged in the direction of travel of the motor vehicle in front of a windshield of the motor vehicle.
- the rotary latch Starting 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.
- the rotary latch preferably blocked by the pawl in the opening direction of rotation and the lock holder is, if the front cover is in the locking position, with the catch in engagement.
- the front hood is in the Vorrastsannon from the locking position towards the unlocking manually, ie for an operator of the safety device, transferable, the front hood is preferably held spring-loaded in the locking position.
- manually convertible means, in particular, exclusively mechanically, ie, without electricity and without electrical aids.
- the front hood is mechanically unlocked in the Vorrastsannon by an operator.
- the safety device has a handle for moving the front cover from the locking position to the unlocking position. In detail, a transfer of the handle in one accessible operating position when switching the catch from the main position to the pre-locking position be provided.
- 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 preferably has an output shaft.
- the electric drive which preferably has an output shaft.
- the release lever causes during a movement of the output shaft unlatching of the rotary latch from the main latching 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 of the rotary latch from the main latching position to the pre-latching position also includes triggering this switching.
- 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 upon rotation of the rotary latch in Closing direction of rotation tensioned preferably weight-assisted by a movement of the front cover 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 front hood has a front edge, a trailing edge and two side edges, wherein the front edge in the direction of travel of the motor vehicle, on which the front hood is mounted, as seen from the trailing edge.
- the safety device has a bearing for the front hood, wherein the bearing is equipped with at least one first pivot, preferably a second pivot, a first connection element and a second connection element.
- the first and second pivot joints are arranged in the region of the trailing edge.
- the first rotary joint rotatably couples the first connecting element with the second connecting element, wherein preferably the front hood is fixedly mounted on the first or the second connecting element.
- the second connection element is arranged displaceably relative to the first connection element in order to provide mobility of the front hood starting from the locking position towards the unlocking position.
- the first or the second pivot in the form of a rolling bearing with an inner ring, an outer ring and rolling elements is formed.
- the inner ring can be fixedly arranged on the second connection element
- the outer ring can be displaceably arranged on the first connection element
- the two connection elements can be rotatably coupled to one another via the rolling bodies.
- the first rotary joint or the second rotary joint is guided in a slot of the first connection element or of the second connection element.
- the outer ring on a surface of the Langloches of the first connection element be slidably or rolling added and be connected to the inner ring of the rolling bearing with a pin of the second connection element.
- a further embodiment of the bearing provides for an arrangement of four roller bearings in the oblong hole of the first connecting element, wherein the four rolling bearings form two superimposed rolling bearing rows whose inner rings are firmly connected to a coupling element.
- the first or second pivot joint rotatably connects the coupling element with the second connection element.
- a displaceable coupling of the first connection element with the second connection element and thus a displaceability of the front hood by means of the displaceability of the four rolling bearings is realized within the elongated hole.
- a displaceability between the first and the second connection element can be provided in the form of a purely translational displacement, but can be realized in a further embodiment via a transmission of the safety device in the form of a combination of a translation and a rotation.
- the second connection element is rotatably connected to the front hood and the first connection element rotatably arranged on a fixed body part of the security device.
- the first and the second connection element is fixedly arranged on the first pivot and one of the two connection elements slidably connected to the front hood or to a fixed body part of the security device.
- a displacement of the lock holder leading away from the bearing is provided during a movement of the front hood from the locking position towards the unlocking position.
- the lock holder is in the unlocking position of the front cover further away from the storage than in the locking position of the front cover.
- an opening of the inlet mouth of the rotary latch in the Vorrastsander is aligned substantially in the direction of the leading edge and a movement of the front hood is oriented from the locking position towards the unlocking position in the direction of the leading edge, which is usually accompanied by a tensile loading in the region of the leading edge.
- Such Buchbeetzschlagung can be particularly well ergonomically connect with a subsequent Buchbeaufschlagung the leading edge in the direction of the open position of the front hood. Therefore, in this embodiment, the ease of use is so high that a movement for unlocking the front cover liquid can be transferred into a movement for opening the front cover.
- a ramp may be provided in an advantageous manner, which directs a movement of the front edge upwards, ie in the direction of the open position.
- Another advantage of this embodiment is that in the storage area of the bonnet no additional space for a movable trailing edge must be created and thus space is saved.
- the lock holder is in the unlocked position of the front hood closer to the storage than in the locking position.
- a movement of the front hood is oriented from the locking position towards the unlocking position in the direction of the trailing edge, which is usually accompanied by a pressurization in the region of the leading edge.
- an opening of the inlet mouth of the rotary latch is aligned in the Vorrastsannon substantially in the direction of the trailing edge.
- the safety device in this variant can also provide an element of pedestrian impact protection.
- the rotary latch can be rotated via the electric drive from the main latching position to Vorrasts notorious as soon as an impact is detected.
- a spring loading of the front hood towards the closed position ie provided in the direction of the front edge, so that in the Vorrastsander the catch an object on impact with the front hood is resiliently braked over frictional forces between the object and the front hood in the direction of the front edge.
- a resilient deceleration causes a reduction of maximum deceleration values of the object and can contribute significantly to pedestrian safety.
- the safety device can provide a crash sensor in the region of the front edge, with which an impact of an object with a mass of 30 to 200 kg can be detected.
- the safety device can provide a forwarding of an activation signal to the electric drive upon detection of this impact, which causes a switching of the rotary latch from the main latching position in the Vorrastsannon.
- the safety device during the switching of the rotary latch from the main latching position in the Vorrastsander a mechanical operative connection between the electric drive and the rotary latch on.
- the safety device in each intermediate position of the rotary latch between the main latching position and the Vorrastsander a force-transmitting active connecting chain, starting from the electric drive via the rotary latch 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.
- Driving the rotary latch by means of the electric drive when switching from the main latching position into the pre-latching section allows a smaller dimensioning of the rotary latch spring element, which saves space in the immediate vicinity of the rotary latch.
- a special embodiment of the safety device can even provide no rotary latch spring element.
- the electric drive in the generator mode is operable to a mechanical when collecting the front hood Resistance of the rotary latch against a movement of the front cover in the direction of the closed position form.
- 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 Vorrast ein, i. in that both an initial acceleration of the front hood and a deceleration acceleration can be controlled shortly before reaching the pre-locking position of the rotary latch, wherein the initial acceleration and the deceleration acceleration advantageously have a parabolic course over time.
- the deceleration acceleration as the catch approaches the pre-lock position may be reduced, thereby allowing post-swing of the front cover to be minimized after the catch has reached the pre-lock position.
- the lock holder 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-locking position to the main latching position.
- the mechanical operative 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 mechanical operative connection between the electric drive and the rotary latch during the switching of the rotary latch from the Vorrasts discourage 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.
- 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 to be arbitrarily retarded into the main latching contour.
- a pawl spring which moves the counter-latching contour on 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 passage 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 hold of the Front hood 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 one other body element for example a headlight, changeable, it being possible to compensate for manufacturing tolerances, which affect 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.
- Fig. 1 is a sectional view of a safety device
- FIG. 2 shows a sectional view of a section of the safety device according to FIG. 1 with a rotary catch in an opening end position;
- Fig. 3 is a sectional view of a detail of the safety device of Figure 1 with the catch in a Vorrastsander.
- FIG. 4 is a sectional view of a detail of the safety device according to FIG. 1 with the catch in a main latching position;
- Figure 5 is a sectional view of the safety device of Figure 1 with the catch in a main latching position and a front hood in an unlocking position and in a locking position.
- FIG. 6 shows a bearing for the front hood of the safety device according to FIG. 1.
- FIG. 1 shows a sectional view of a safety device 1 with a front hood 2, which has a front edge 2.1 and a rear edge 2.2, a hood lock 3 and a bearing 13.
- the bearing 13 comprises a first pivot joint 14, which is provided with an inner ring 15, an outer ring 16 and rolling elements 17 is equipped, and a first connection element 18 and a second connection element 19.
- the outer ring 16 is slidably guided in a slot 20 of the first connection element 18.
- the inner ring 15 is fixedly connected to the second connection element 19, which is configured as a pin, and the connection element 19 is fixedly connected to the front hood 2.
- the first connection element 18 is arranged on a fixed component of the safety device.
- the first connection element 18 is rotatably coupled to the second connection element 19, wherein the second connection element 19 relative to the first connection element 18 in the slot 20 is displaceable.
- 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 rotary latch 4 and a pawl 12 are each rotatably mounted on a fixed component, not shown, of the safety device 1, wherein the rotary latch 4 is in the position shown in Fig. 1 in the main latching position.
- the front hood 2 is in The closed position shown in FIG. 1 by means of solid lines, that is, 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 safety device 1 has a lock holder 10, which may be designed, for example, as a striker and is fastened to the front hood 2 via a coupling element 11.
- Fig. 2 shows a sectional view of a section of the safety device 1, wherein the rotary latch 4 is in an opening end position.
- the rotary latch 4 has a pivot point 23, an opening direction of rotation 21 and an oppositely oriented closing direction of rotation 22. In the opening end position, the rotary latch bears against a stop, not shown.
- the rotary latch 4 comprises a Vorrastkontur 24 and a main latching 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 in the pre-locking division by 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 opening direction of rotation 21 in the Vorrastsander.
- the pre-locking contour 24 passes the counter-latching contour 26 and the pre-locking contour 24 is located in the closing direction of rotation 22 in front of the counter-latching contour 26, whereby the counter-latching contour 26 can latch into the pre-locking contour 24 and the rotary latch 4 occupies the pre-engaged position shown in FIG.
- the pawl 12 blocks a rotation of the rotary latch 4 in the opening direction of rotation 21st
- the front cover 2 is shown by means of solid lines in an unlocking position, wherein the front cover 2 is unlocked.
- the front hood 2 By pressing the front hood 2 at the front edge 2.1 in the direction of the trailing edge 2.2, the front hood 2 can be moved into the locking position, i. the bonnet 2 is manually movable between the locking position and the unlocking position.
- the locking position is shown in Fig. 3 by dashed lines.
- the lock holder 10 is engaged with the catch 4, which is in the pre-locked position, with the front cover 2 locked, i. a movement of the front hood 2 is blocked in the open position. From Fig. 3 it can be seen that the lock holder 10 in the unlocked position of the front cover 2 is further away from the storage 13 than in the locking position of the front cover. 2
- 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 pre-locking position 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 mechanical operative connection by means of a driven gear 34 which is positively connected to an output shaft of the first electric motor 6, and a drive gear 35, which is positively connected to the rotary latch 4 may be provided, the driven gear 34 meshes with the drive gear 35.
- the driven gear 34 meshes with the drive gear 35.
- this mechanical Active connection is the rotary latch 4 when switching from the pre-locking position to the main locked position driven.
- 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.
- 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. Detecting the movement of the rotary latch 4 in the closing direction of rotation can furthermore be made possible by operating the first electric motor 6 in the generator mode, wherein rotation of the rotary latch 4 in the closing direction of rotation generates a current flow in the first electric motor 6.
- the main latching contour 25 passes the counter-latching contour 26 and the main latching contour 25 is located in the closing 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 stationary 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 27 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 cover 2 is locked, closed and blocked in the direction of the unlocking position and in the open position by means of the load arm 29 of the rotary latch 4.
- the load arm 29 is formed such that a main orientation of the load arm 29 in the direction of an opening of the inlet mouth 27 with a side edge of the front hood 2 occupies an angle 41 of at least 20 degrees. In a particular embodiment, this angle 41 between 20 and 29, in a of which different embodiment between 30 and 39, in another variant between 40 and 49 degrees.
- the first electric motor 6 After the counter-latching contour 26 is engaged in the main catch contour 24, the first electric motor 6, if it has been activated to switch from the pre-latching position to the main latching position, is 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 position. This can be effected by the second electric motor 7, via a pawl driven gear 36 and a pawl drive gear 33, the pawl 12 moves to the dashed release position shown in Fig. 4, in which the rotary latch 4 is released in the opening direction.
- the first electric motor 6 causes a switching of the rotary latch 4 from the main locking position shown in Fig. 4 in the pre-locking position shown in Fig. 3, wherein the safety device 1 during this switching has a mechanical operative connection.
- the mechanical operative connection is formed by the driven gear 34, which is positively connected to the output shaft of the first electric motor 6, and the drive gear 35, which is positively connected to the rotary latch 4, 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 to the pre-latching position 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 for an electrical driving of the rotary latch 4 when switching the rotary latch 4 from the main latching position to the pre-latching position. Consequently, an embodiment of the teaching according to the invention according to FIGS. 1 to 6 is also possible without the first electric motor 6.
- the switching of the rotary latch 4 from the main latching position to the pre-latching position is effected in this case by the second electric motor 7 as described above.
- Fig. 5 shows the safety device with the catch in the pre-locked position.
- the front hood 2 After switching from the main latch position to the pre-latching position of the rotary latch 4, the front hood 2 is in the dashed line shown in FIG. 3 or in the locking position shown in FIG. 5 by solid lines.
- the front hood 2 In the pre-engaged position shown in FIG. 5, the front hood 2 is from the locking position towards that in FIG. 5 dashed shown unlocking position by means of an application of train to the front edge 2.1 maunuell be transferred.
- the unlocked position of the lock holder 10 is released from the catch and the front cover 2 unlocked and the front cover 2 can be moved to the open position shown in Fig. 1.
- the rotary latch 4 Upon reaching the open position of the front hood 2 can be provided that the rotary latch 4 is transferred from or Vorrastsannon in the opening end position shown in Fig. 2.
- the pawl 12 can be converted by means of the second electric motor 7 in the release position shown in Fig. 4, wherein a spring-driven rotation of the rotary latch 4 is effected toward the opening end position.
- a rotary latch 4 may be provided which has no opening end position as shown in Fig. 2, but in the Vorrastsannon touches a stop which blocks rotation of the rotary latch 4 in opening direction 21. A use of a rotary latch 4, which can not be moved beyond the Vorrastsannon addition is made possible in particular by a displaceability of the front cover 2 from the locking position to the unlocked position.
- an arrangement of the lock holder 10 may be provided to the rotary latch 4 such that the front hood 2 when switching from the main latching position to Vorrastsannon by a distance 51, which may be about 10 cm, is raised.
- a distance 51 which may be about 10 cm.
- such lifting allows ergonomically favorable gripping of the front edge 2.1 of the front hood 2, so that pulling the front hood 2 is facilitated.
- Fig. 6 shows an embodiment of the bearing 13 with a blocking element 61 and a recess 62 in the first connection element 18.
- the blocking element 61 is preferably fixed to the front cover 2 or the second connection element 19 and rotates upon rotation of the front cover 2 in the direction Open position and closed position with. Such rotation of the blocking element 61 causes insertion of the blocking element 61 into the recess 62 and blocking displacement of the second connecting element 19 with respect to the first connecting element 18 in the direction of the locking position of the front hood 2 this direction is shown by the arrow 63.
- the blocking element 61 and the front hood 2 are shown in broken lines in FIG. 6 in a state in which the blocking element 61 is inserted into the recess 62.
- a safety device with a blocking element has the advantage that the front hood 2 is designed to be non-displaceable or exclusively rotatable in the open position or in an intermediate position.
- the lock holder 10 is at a movement of the front cover 2 from the open position towards the closed position still receivable by means of the catch arm 28, since the blocking element 61 a in a direction of the front edge 2.1 shifted position of the front cover 2 and thus the lock holder 10 causes and the lock holder 10 is guided past the load arm 29 during the closing movement of the front hood 2.
Landscapes
- Engineering & Computer Science (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 |
|---|---|---|---|
| DE102015116669.0A DE102015116669A1 (de) | 2015-10-01 | 2015-10-01 | Sicherheitsvorrichtung mit manuell entriegelbarer Fronthaube |
| PCT/DE2016/100455 WO2017054802A1 (de) | 2015-10-01 | 2016-09-29 | Sicherheitsvorricthung mit manuell entriegelbarer fronthaube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3356624A1 true EP3356624A1 (de) | 2018-08-08 |
| EP3356624B1 EP3356624B1 (de) | 2021-01-06 |
Family
ID=57208028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16787717.4A Active EP3356624B1 (de) | 2015-10-01 | 2016-09-29 | Sicherheitsvorricthung mit manuell entriegelbarer fronthaube |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US11473346B2 (de) |
| EP (1) | EP3356624B1 (de) |
| CN (1) | CN108138521B (de) |
| DE (1) | DE102015116669A1 (de) |
| WO (1) | WO2017054802A1 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014107986A1 (de) * | 2014-06-05 | 2015-12-17 | Huf Hülsbeck & Fürst Gmbh & Co. Kg | Schlosssystem für ein Kraftfahrzeug |
| US10941592B2 (en) * | 2015-05-21 | 2021-03-09 | Magna Closures Inc. | Latch with double actuation and method of construction thereof |
| DE102015111149A1 (de) * | 2015-07-09 | 2017-01-12 | Kiekert Ag | Sicherheitsvorrichtung für Fronthauben mit elektrischem Antrieb |
| DE102015113222A1 (de) * | 2015-08-11 | 2017-02-16 | Kiekert Ag | Sicherheitsvorrichtung mit einer Fronthaube und einem Bajonettverschlusssystem |
| FR3085397B1 (fr) * | 2018-09-05 | 2020-10-16 | Psa Automobiles Sa | Ouvrant et encadrement avec serrure electrique et dispositif d’ejection de l’ouvrant de son encadrement |
| DE102020128865B4 (de) * | 2020-11-03 | 2024-02-08 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Frontklappenantrieb, Frontklappensystem und Kraftfahrzeug |
| DE102021119876A1 (de) | 2021-07-30 | 2023-02-02 | Bayerische Motoren Werke Aktiengesellschaft | Vorrichtung zum vollelektrischen Öffnen einer Fahrzeugklappe |
| DE102022116438A1 (de) * | 2022-07-01 | 2024-01-04 | Bayerische Motoren Werke Aktiengesellschaft | Frontklappenscharnier für ein Kraftfahrzeug und Kraftfahrzeug mit einem derartigen Frontklappenscharnier |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19812835B4 (de) | 1998-03-24 | 2006-12-21 | Ewald Witte Gmbh & Co Kg | Fanghaken-Betätigungsanordnung für Motorhauben von Kraftfahrzeugen |
| US7445258B2 (en) * | 2005-02-07 | 2008-11-04 | Delphi Technologies, Inc. | Power linear displacement striker |
| GB2428644B (en) * | 2005-08-02 | 2009-04-29 | Ford Global Tech Llc | A motor vehicle |
| DE102005044079A1 (de) | 2005-09-15 | 2007-03-22 | GM Global Technology Operations, Inc., Detroit | Karosserie für ein Kraftfahrzeug |
| GB0602586D0 (en) * | 2006-02-10 | 2006-03-22 | Ford Global Tech Llc | A hinge mechanism |
| DE102007061544A1 (de) | 2007-12-20 | 2009-06-25 | Volkswagen Ag | Sicherheitseinrichtung für ein Kraftfahrzeug |
| US8801053B2 (en) * | 2010-11-22 | 2014-08-12 | GM Global Technology Operations LLC | Closure latch and release mechanism |
| DE102011003808A1 (de) * | 2011-02-08 | 2012-08-09 | Bayerische Motoren Werke Aktiengesellschaft | Schloss mit einem Fangelement an einer Schlossfalle für eine Klappe eines Kraftfahrzeugs |
| EP2573301B1 (de) * | 2011-09-23 | 2017-05-03 | Huf Hülsbeck & Fürst GmbH & Co. KG | Heckschloss für ein Kraftfahrzeug |
| US8935053B2 (en) * | 2011-09-27 | 2015-01-13 | Tesla Motors, Inc. | Power release hood latch method and system |
| DE102013217377A1 (de) * | 2013-08-30 | 2015-03-05 | Kiekert Ag | Elektrisches Kraftfahrzeugschloss mit Notentriegelung |
| DE102013112122A1 (de) * | 2013-11-04 | 2015-05-07 | Kiekert Aktiengesellschaft | Kraftfahrzeugtürverschluss |
| DE102014201808A1 (de) | 2014-01-31 | 2015-08-06 | Kiekert Ag | Verfahren für ein Schließen einer Kraftfahrzeughaube |
| DE202014106158U1 (de) * | 2014-12-18 | 2016-03-21 | BROSE SCHLIEßSYSTEME GMBH & CO. KG | Schließhilfsantrieb für ein Kraftfahrzeugschloss |
-
2015
- 2015-10-01 DE DE102015116669.0A patent/DE102015116669A1/de not_active Withdrawn
-
2016
- 2016-09-29 EP EP16787717.4A patent/EP3356624B1/de active Active
- 2016-09-29 CN CN201680058327.1A patent/CN108138521B/zh active Active
- 2016-09-29 US US15/764,976 patent/US11473346B2/en active Active
- 2016-09-29 WO PCT/DE2016/100455 patent/WO2017054802A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| CN108138521A (zh) | 2018-06-08 |
| US11473346B2 (en) | 2022-10-18 |
| US20180266150A1 (en) | 2018-09-20 |
| WO2017054802A1 (de) | 2017-04-06 |
| EP3356624B1 (de) | 2021-01-06 |
| DE102015116669A1 (de) | 2017-04-06 |
| CN108138521B (zh) | 2020-03-27 |
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