DE10108880A1 - System for raising car bonnet to reduce injury in collision with pedestrian comprises piston and cylinder unit operated by explosive charge and locked in raised position by spring-loaded bolt - Google Patents
System for raising car bonnet to reduce injury in collision with pedestrian comprises piston and cylinder unit operated by explosive charge and locked in raised position by spring-loaded boltInfo
- Publication number
- DE10108880A1 DE10108880A1 DE10108880A DE10108880A DE10108880A1 DE 10108880 A1 DE10108880 A1 DE 10108880A1 DE 10108880 A DE10108880 A DE 10108880A DE 10108880 A DE10108880 A DE 10108880A DE 10108880 A1 DE10108880 A1 DE 10108880A1
- Authority
- DE
- Germany
- Prior art keywords
- piston
- hood
- spring
- cylinder
- lifting system
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/19—Pyrotechnical actuators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians
- B60R21/38—Protecting non-occupants of a vehicle, e.g. pedestrians using means for lifting bonnets
-
- 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
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/26—Locking mechanisms
- F15B15/261—Locking mechanisms using positive interengagement, e.g. balls and grooves, for locking in the end positions
-
- 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
- E05B77/12—Automatic locking or unlocking at the moment of collision
Abstract
Description
Die Erfindung betrifft ein Hubsystem für eine als Personenschutz bei einem Kraftfahrzeug vorgesehene, verlagerbare Haube, sowie ein Personenschutzsystem.The invention relates to a lifting system for personal protection in a Motor vehicle provided, relocatable hood, and a personal protection system.
Beim Betrieb von Kraftfahrzeugen ereignen sich häufig Unfälle, bei denen ein Fußgänger mit einem Kraftfahrzeug kollidiert. Der Fußgänger erleidet dabei häufig schwere Verletzungen, wobei ein Teil der Verletzungen durch einen Aufprall an einem harten Fahrzeugteil verursacht wird. Eines der Verletzungen verursachenden harten Fahrzeugteile ist der unter oder hinter der Motorhaube angeordnete Motorblock. Das Bestreben, Fahrzeuge aerodynamisch günstig zu gestalten, hat dazu geführt, daß der Abstand, in welchem die Motorhaube von dem Motorblock angeordnet ist und welcher im Falle einer Kollision als Pufferabstand dient, nunmehr nur noch sehr gering ist.When operating motor vehicles, accidents often occur in which a pedestrian collided with a motor vehicle. The pedestrian often suffers severe Injuries, some of the injuries from an impact on a hard Vehicle part is caused. One of the hard ones causing injury Vehicle parts is the engine block located under or behind the bonnet. The Efforts to make vehicles aerodynamically favorable has led to the fact that the Distance in which the hood is arranged from the engine block and which in If a collision serves as a buffer distance, it is now only very small.
In der Praxis sind daher Systeme entwickelt worden, welche im Falle einer Kollision den Abstand der Motorhaube zu dem Motorblock erhöhen, indem die Motorhaube verlagert wird. Dabei kommen Hubsysteme zum Einsatz, welche zum Teil mechanische Federsysteme oder Airbag-Vorrichtungen (DE 27 11 338 A1) aufweisen.In practice, therefore, systems have been developed which, in the event of a collision Increase the distance between the bonnet and the engine block by moving the bonnet becomes. Lifting systems are used, some of which are mechanical Have spring systems or airbag devices (DE 27 11 338 A1).
Aus DE 197 21 565 A1, welche ein Hubsystem gemäß dem Oberbegriff des Anspruch 1 beschreibt, ist bekannt, die Hubbewegung durch eine Fronthauben-Aufstellfeder erfolgen zu lassen, wobei die Fronthauben-Aufstellfeder derart angeordnet ist, daß sie einen Schließbolzen umschließt. Der Schließbolzen wird in einer gespannten Position der Fronthaube bzw. Fronthauben-Aufstellfeder mittels eines Schloßriegels festgehalten, welcher mittels einer elektromagnetischen oder pyrotechnischen Entriegelung gegen den Druck einer Schraubenfeder verlagerbar ist. Eine Begrenzung des Hubweges erfolgt durch einen Fanghaken, der in einer Fallennut des Schließbolzens einrastbar ist. From DE 197 21 565 A1, which a lifting system according to the preamble of claim 1 describes, it is known that the lifting movement is carried out by a bonnet-raising spring to let, the bonnet-raising spring is arranged such that it one Encloses locking bolt. The locking bolt is in a cocked position The bonnet or bonnet spring is held in place by means of a lock bolt, which by means of an electromagnetic or pyrotechnic release against the Coil spring pressure is displaceable. The stroke is limited by a catch hook that can be snapped into a latch groove of the locking bolt.
Vor einer Kollision wird der Kolben in dem Zylinder durch eine Kolbenfeder im eingeschobenen Zustand gehalten. Der durch das Anheben der Haube als Sicherheitsabstand zur Verfügung stehende Hubweg hängt entscheidend davon ab, wann der Aufprall eines Fußgängers erfolgt. Wird beispielsweise erst ein Hindernis überfahren und erfolgt die Kollision mit dem Fußgänger erst anschließend, kann der Hubweg sich aufgrund der Wirkung der Kolbenfeder bereits wieder verkürzt haben.Before a collision, the piston is in the cylinder by a piston spring in the inserted state kept. The one by lifting the hood as Safety distance available stroke length depends crucially on when a pedestrian hits. For example, it becomes an obstacle can run over and the collision with the pedestrian only occurs afterwards Stroke have already shortened due to the effect of the piston spring.
Die in DE 197 21 565 A1 beschriebene Hubvorrichtung wird gleichzeitig als Haubenschloß am vorderen, unteren Ende der Motorhaube eines PKW verwendet und soll durch Niederdrücken der Motorhaube spannbar sein. Dies hat zur Folge, daß - sollen Deformationen an der Motorhaube vermieden werden - die Fronthauben-Aufstellfeder nur verhältnismäßig weich ausgebildet sein kann und somit nur eine geringe Hubgeschwindigkeit der Haube bewirken kann. Außerdem erfordert die wirksame Betätigung des Schloßriegels eine aufwendige Konstruktion.The lifting device described in DE 197 21 565 A1 is also used as Hood lock used at the front, lower end of the hood of a car and should be tensionable by depressing the bonnet. As a result, - should Deformations on the bonnet can be avoided - the bonnet lifting spring can only be relatively soft and thus only a small one Lifting speed of the hood can cause. It also requires effective Operation of the lock bolt a complex construction.
Aus DE 197 10 417 A1 ist ferner ein Hubsystem bekannt, bei dem eine Gasdruckfeder verwendet wird, um die Hubbewegung zu bewirken. Die Gasdruckfeder, die auch dazu dient, im gewöhnlichen Service-Betrieb die Haube abzustützen, ist am hinteren, oberen Ende der Haube angeordnet. Ein zwei gelenkig miteinander verbundene Führungsarme aufweisendes Haltegestänge weist dabei an seinem die beiden Führungsarme verbindenden Gelenk ein Haltemittel auf. Das Haltemittel bewirkt, daß die Haube nicht aufklappt sondern angehoben wird, wenn im Falle einer Kollision das Haltemittel den Gelenkpunkt freigibt. Die aus DE 197 10 417 A1 bekannte Hubvorrichtung weist den Nachteil auf, daß sie nur mit großem Aufwand rückstellbar ist.From DE 197 10 417 A1 a lifting system is also known in which a gas pressure spring is used to effect the lifting movement. The gas pressure spring, too serves to support the hood in normal service operation, is at the rear, upper Arranged end of the hood. A two articulated guide arms The holding linkage has the two guide arms on it connecting joint on a holding means. The holding means does not cause the hood opens up but is raised when the holding means in the event of a collision Release hinge point. The lifting device known from DE 197 10 417 A1 has the Disadvantage that it can only be reset with great effort.
Ein weiteres Hubsystem mit einer energiespeichernden oder energiefreisetzenden Einrichtung zum Anheben der Haube ist aus DE 197 12 961 A1 bekannt.Another lifting system with an energy-storing or energy-releasing one Device for lifting the hood is known from DE 197 12 961 A1.
Der Erfindung liegt die Aufgabe zugrunde, ein verbessertes Hubsystem und einen ein solches Hubsystem aufweisende Personenschutzsystem zur Verfügung zu stellen.The invention has for its object an improved lifting system and a to provide such a lifting system having a personal protection system.
Die Lösung dieser Aufgabe erfolgt erfindungsgemäß mit den Merkmalen der Ansprüche 1 bzw. 8. This object is achieved according to the invention with the features of the claims 1 or 8.
Gemäß der Erfindung ist vorgesehen, daß bei einem Hubsystem für eine als Personenschutzsystem bei einem Kraftfahrzeug vorgesehene verlagerbare Haube mit einer zur Verlagerung in der Haube vorgesehenen Treibladung die Kolben- Zylindereinheit eine Verriegelungseinrichtung aufweist, welche den Kolben und den Zylinder relativ zueinander in der expandierten Stellung verriegelt. Die Verriegelungseinrichtung bewirkt, daß einmal aktiviert der für den Sicherheitsabstand der Haube von darunter liegenden harten Teilen maßgebliche Hubweg erhalten bleibt, auch wenn die in dem Kolben durch die Treibladung erzeugte Gasfüllung sich abkühlt oder entweicht. Durch das erfindungsgemäße Hubsystem wird dadurch eine höhere Sicherheit für an Kollisionen beteiligte Fußgänger erreicht.According to the invention it is provided that in a lifting system for a Personal protection system in a motor vehicle provided with removable hood a propellant charge for displacement in the hood, the piston Cylinder unit has a locking device which the piston and the Cylinder locked relative to each other in the expanded position. The Locking device causes that once activated for the safety distance of Hood of underlying hard parts retains significant stroke, too when the gas filling generated in the piston by the propellant charge cools down or escapes. As a result, the lifting system according to the invention increases safety reached for pedestrians involved in collisions.
Gemäß einer bevorzugten Ausführungsform weist die Verriegelungseinrichtung des Hubsystems eine Freigabeeinrichtung auf, bei deren Betätigung der Kolben und der Zylinder von einer Kolbenfeder in ihre Ausgangsstellung zurückgeführt werden. Entsteht an Kraftfahrzeugen bei einer Kollisionen, auch bei einer solchen mit Fußgängerbeteiligung nur ein geringer Schaden, bleibt das Kraftfahrzeug fahrbereit, da sich die Haube problemlos durch Entriegeln der Kolben-Zylindereinheit in die Ausgangsstellung zurückführen läßt.According to a preferred embodiment, the locking device of the Lifting system on a release device when the piston and the Cylinder are returned to their starting position by a piston spring. Arises on motor vehicles in the event of a collision, including in the event of a Pedestrian participation only a minor damage, the motor vehicle remains ready to drive because the hood easily by unlocking the piston-cylinder unit in the Starting position can be returned.
Vorzugsweise weist die Verriegelungseinrichtung einen Verriegelungsbolzen oder einen Verriegelungskolben auf, welche mittels einer Verriegelungsfeder in Verriegelungsrichtung vorgespannt sind. Eine solchermaßen ausgestaltete Verriegelungseinrichtung ist nicht nur besonders zuverlässig sondern auch mit einfachen Mitteln herstellbar.The locking device preferably has a locking bolt or a locking piston, which in by means of a locking spring Locking direction are biased. One designed in this way Locking device is not only particularly reliable but also with easy to manufacture.
Wenn die Verriegelungseinrichtung einen Entriegelungszug aufweist, welcher vorzugsweise in das Fahrzeuginnere geführt ist, läßt sich die Entriegelung und damit die Rückführung von Zylinder und Kolben vom Fahrzeuginnenraum aus ohne Manipulationen an der Haube durchführen.If the locking device has an unlocking cable, which is preferably guided into the vehicle interior, the unlocking and thus the return of cylinders and pistons from the vehicle interior without Manipulate the hood.
Durch ein Integrieren der mindestens einen Kolben-Zylindereinheit in ein Haubenschloß ist es möglich, das Hubsystem als Nachrüstbausatz auszuführen.By integrating the at least one piston-cylinder unit into one Hood lock, it is possible to design the lifting system as a retrofit kit.
Wenn Kolben-Zylindereinheiten sowohl im Bereich der frontseitigen als auch der heckseitigen Kante der Haube angeordnet sind, ist ein im wesentlichen gleichmäßiges Anheben der Haube möglich, wodurch über die gesamte Fläche der Haube ein großer Pufferabstand zur Verfügung gestellt wird.If piston-cylinder units in the area of both the front and the rear edge of the hood is a substantially even lifting of the hood possible, which means that over the entire surface of the Hood a large buffer distance is provided.
Die Vorteile der Erfindung zeigen sich insbesondere dann, wenn ein erfindungsgemäßes Hubsystem bei einem Personenschutzsystem mit einer bei einem Kraftfahrzeug vorgesehenen, verlagerbaren Haube eingesetzt wird. Sie zeigen sich insbesondere, wenn die Haube im wesentlichen waagerecht oder im spitzen Winkel zum Horizontalen angeordnet ist. Auch wenn die Haube, wie gemäß einer alternativen bevorzugten Ausführungsform des Personenschutzsystems vorgesehen, im wesentlichen senkrecht oder im spitzen Winkel zur Vertikalen angeordnet ist, wird eine vorteilhafte Verringerung der Schwere der Verletzungen von mit dem Kraftfahrzeug kollidierenden Personen erreicht.The advantages of the invention are particularly evident when a device according to the invention is used Lifting system in a personal protection system with one in a motor vehicle provided, relocatable hood is used. They particularly show if the hood is essentially horizontal or at an acute angle to the horizontal is arranged. Even if the hood as preferred according to an alternative Embodiment of the personal protection system provided, essentially vertically or arranged at an acute angle to the vertical, will be an advantageous reduction the severity of injuries to persons colliding with the motor vehicle reached.
Weitere vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung ergeben sich aus den Unteransprüchen sowie aus der Beschreibung im Zusammenhang mit den Zeichnungen. Es zeigen:Further advantageous refinements and developments of the invention result from the subclaims and from the description in connection with the Drawings. Show it:
Fig. 1 einen Frontabschnitt eines mit einem erfindungsgemäßen Personenschutzsystems ausgerüsteten PKW, und Fig. 1 shows a front section of a car equipped with a personal protection system according to the invention, and
Fig. 2 ein erfindungsgemäßes Hubsystem in einer Ausgangsstellung in vereinfachter Darstellung im Schnitt. Fig. 2 shows a lifting system according to the invention in a starting position in a simplified representation in section.
Der in Fig. 1 gezeigte Frontabschnitt eines PKW 10 weist ein Personenschutzsystem 12 mit einer Motorhaube 14, einer Steuerung 16 und zwei Hubsystemen 18, 20 auf, welche im Bereich der Außenkanten der Motorhaube 14 an deren Längsseiten im wesentlichen am in Fahrtrichtung rückwärtigen Ende der Motorhaube 14 angeordnet sind. Alternativ oder zusätzlich zu der Anordnung von zwei Hubsystemen 18, 20 am in Fahrtrichtung rückwärtigen Ende können auch ein oder mehrere Hubsysteme 22 am in Fahrtrichtung, vorderen Ende der Motorhaube 14 angeordnet sein.The front section of a car 10 shown in FIG. 1 has a personal protection system 12 with a bonnet 14 , a control 16 and two lifting systems 18 , 20 , which in the area of the outer edges of the bonnet 14 on its long sides essentially at the rear end of the bonnet in the direction of travel 14 are arranged. Alternatively or in addition to the arrangement of two lifting systems 18 , 20 at the rear end in the direction of travel, one or more lifting systems 22 can also be arranged at the front end of the hood 14 in the direction of travel.
Die Hubsysteme 18, 20 bzw. 22 werden im Falle eines Aufpralles eines Fußgängers auf dem PKW 10 aufgrund eines von einer Sensorleiste 24 gesendeten Signals von der Steuerung 16 aktiviert und heben die Motorhaube 14 um etwa 5 bis 15 cm an, so daß unterhalb der Motorhaube 14 ein Pufferraum entsteht, in welchen hinein sich die Motorhaube 14 verformen kann, ohne durch einen Motorblock an der Verformung behindert zu werden. Dadurch läßt sich der Aufprall einer Person auf der Motorhaube 14 verletzungsbegrenzend dämpfen.The lifting systems 18 , 20 and 22 are activated in the event of a collision of a pedestrian with the car 10 on the basis of a signal sent by a sensor strip 24 from the controller 16 and raise the bonnet 14 by approximately 5 to 15 cm, so that it is below the bonnet 14 creates a buffer space into which the bonnet 14 can deform without being hampered by the deformation of an engine block. As a result, the impact of a person on the bonnet 14 can be dampened to limit injury.
Die Hubsysteme 18, 20 sind, wie durch die Fig. 2 erläutert, ausgeführt und weisen neben einem Scharnierabschnitt 26 zum Anheben des rückwärtigen Endes der Motorhaube 14 eine Kolbenzylindereinheit 28 auf.The lifting systems 18 , 20 are designed, as explained by FIG. 2, and in addition to a hinge section 26 for lifting the rear end of the bonnet 14, a piston-cylinder unit 28 .
Der Scharnierabschnitt 26 besteht aus einer an der Motorhaube angeschweißten Scharnierlasche 30, einem Übertragungsbolzen 32 sowie einer an einem karosserieseitig befestigten Haltebolzen 34 befestigten Anlenklasche 36. Die Anlenklasche 36 ist um den Haltebolzen 34 schwenkbar gelagert.The hinge section 26 consists of a hinge bracket 30 welded to the bonnet, a transmission bolt 32 and a hinge bracket 36 fastened to a retaining bolt 34 fastened to the body. The link bracket 36 is pivotally mounted about the retaining bolt 34 .
Die Kolben-Zylindereinheit 28 ihrerseits weist einen Kolben 38 auf, welcher in einem Zylinder 40 verlagerbar geführt ist. Der Kolben 38 weist eine Kolbenstange 42 auf, deren freies Ende gelenkig an dem Übertragungsbolzen 32 angreift. Um den Kolben 38 und den Zylinder 40 in der in Fig. 2 gezeigten Ausgangsstellung zu halten, in der die Motorhaube 14 den Motorraum wie in Fig. 1 gezeigt abschließt, ist eine Kolbenfeder 44 vorgesehen. Die Kolbenfeder 44, welche auch der Rückführung von Kolben 38 und Zylinder 40 in die Ausgangsstellung dient, ist im Innern des Zylinders 40 angeordnet und als Schraubenfeder ausgeführt. Sie befindet sich auf der Rückseite des Kolbens 38 einem von dem Zylinder 40 und dem Kolben 38 definierten Druckraum 46 gegenüberliegend.The piston-cylinder unit 28 in turn has a piston 38 which is displaceably guided in a cylinder 40 . The piston 38 has a piston rod 42 , the free end of which articulates against the transmission pin 32 . In order to keep the piston 38 and the cylinder 40 in the starting position shown in FIG. 2, in which the bonnet 14 closes off the engine compartment as shown in FIG. 1, a piston spring 44 is provided. The piston spring 44 , which also serves to return the piston 38 and cylinder 40 to the starting position, is arranged in the interior of the cylinder 40 and is designed as a coil spring. It is located on the back of the piston 38 opposite a pressure chamber 46 defined by the cylinder 40 and the piston 38 .
Der Druckraum 46 weist in seiner, durch den Zylinder 40 definierten Außenwand eine Durchbrechung auf, um eine Treibladung 48 oder eine zu einer Treibladung führende Treibladungsdüse aufzunehmen.The pressure chamber 46 has an opening in its outer wall defined by the cylinder 40 in order to receive a propellant charge 48 or a propellant charge nozzle leading to a propellant charge.
Wenn aufgrund eines Signals von der Sensorleiste 24 die Steuerung 16 die Treibladung 48 zündet, wird in dem Druckraum 46 ein Gasdruck aufgebaut, welcher über den Kolben 38 und dessen Kolbenstange 42 die Motorhaube 14 anhebt, wobei die Anlenklasche 36 um den Haltebolzen 34 verschwenkt wird. Dabei stützt sich der Zylinder 40 über ein Anlenkauge 50 an einem Befestigungsausleger 52 ab, welcher seinerseits an dem karrosserieseitig befestigten Haltebolzen 34 angreift. If, on the basis of a signal from the sensor strip 24, the control 16 ignites the propellant charge 48 , a gas pressure is built up in the pressure chamber 46 , which raises the bonnet 14 via the piston 38 and its piston rod 42 , the link plate 36 being pivoted about the retaining bolt 34 . The cylinder 40 is supported via a pivoting eye 50 on a fastening bracket 52 , which in turn engages the retaining bolt 34 fastened on the body side.
Durch den Druckaufbau in dem Druckraum 36 wird die Kolbenstange 42 nahezu vollständig aus dem Zylinder 40 herausgeschoben. Im ausgeschobenen Zustand greift eine Verriegelungseinrichtung 54 mit einem Verriegelungsbolzen 56 in eine in der Kolbenstange 42 ausgebildete Vertiefung 58 ein und hält dadurch die Kolbenstange 42 im ausgefahrenen Zustand fest, auch wenn der Druck in dem Druckraum 46 abfallen sollte. Ferner wird durch den Verriegelungsbolzen 56 eine Verlagerung des Kolbens 38 aufgrund der Kraft der Kolbenfeder 44 verhindert.Due to the pressure build-up in the pressure chamber 36 , the piston rod 42 is pushed almost completely out of the cylinder 40 . In the extended state, a locking device 54 engages with a locking bolt 56 in a recess 58 formed in the piston rod 42 and thereby holds the piston rod 42 in the extended state, even if the pressure in the pressure chamber 46 should drop. Furthermore, a displacement of the piston 38 due to the force of the piston spring 44 is prevented by the locking bolt 56 .
Das Einrasten des Verriegelungsbolzens 56 in der Vertiefung 58 erfolgt automatisch, da der Verriegelungsbolzen 56 mittels einer Verriegelungsfeder 60 in Richtung auf die Kolbenstange 42 vorgespannt ist. Die Verriegelungsfeder 50 selbst stützt sich an einem Boden eines Bolzengehäuses 62 ab.The locking bolt 56 engages automatically in the recess 58 , since the locking bolt 56 is biased in the direction of the piston rod 42 by means of a locking spring 60 . The locking spring 50 itself is supported on a bottom of a bolt housing 62 .
Um nach Kollisionen ohne größere Schäden die Motorhaube 14 wieder in ihre Ausgangsposition zurückzuführen, ist es lediglich erforderlich, den Verriegelungsbolzen 56 mittels eines Entriegelungszuges 64 zurückzuziehen, wodurch die volle Beweglichkeit des Kolbens 38 wieder hergestellt wird und dieser aufgrund der Kraft der Kolbenfeder 44 in seine Ausgangsstellung zurückfährt.In order to return the bonnet 14 to its starting position without major damage after collisions, it is only necessary to retract the locking bolt 56 by means of an unlocking cable 64 , as a result of which the full mobility of the piston 38 is restored and this is returned to its starting position due to the force of the piston spring 44 withdrawal begins.
Das Hubsystem 22 am vorderen Ende der Haube 14, welches im Detail nicht dargestellt ist, entspricht im wesentlichen den in Fig. 2 gezeigten Hubsystemen 18, 20. Anstelle der Scharnierlasche 30 ist jedoch ein Haubenschloß vorgesehen. The lifting system 22 at the front end of the hood 14 , which is not shown in detail, corresponds essentially to the lifting systems 18 , 20 shown in FIG. 2. Instead of the hinge bracket 30 , however, a hood lock is provided.
1010
PKW
car
1212
Personenschutzsystem
Personal Protection System
1414
Motorhaube
Engine Hood
1616
Steuerung
control
1818
Hubsystem
Lifting system
2020
Hubsystem
Lifting system
2222
Hubsystem
Lifting system
2424
Sensorleiste
sensor bar
2626
Scharnierabschnitt
hinge section
2828
Kolben-Zylindereinheit
Piston-cylinder unit
3030
Scharnierlasche
hinge flap
3232
Übertragungsbolzen
transmission bolts
3434
Haltebolzen
retaining bolt
3636
Anlenklasche
Anlenklasche
3838
Kolben
piston
4040
Zylinder
cylinder
4242
Kolbenstange
piston rod
4444
Kolbenfeder
piston spring
4646
Druckraum
pressure chamber
4848
Treibladung
propellant
5050
Anlenkauge
pivot lug
5252
Befestigungsausleger
attachment boom
5454
Verriegelungseinrichtung
locking device
5656
Verriegelungsbolzen
locking bolt
5858
Vertiefung
deepening
6060
Verriegelungsfeder
locking spring
6262
Bolzengehäuse
bolt housing
6464
Entriegelungszug
release cable
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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DE10108880.9A DE10108880B4 (en) | 2001-02-23 | 2001-02-23 | Lifting system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10108880.9A DE10108880B4 (en) | 2001-02-23 | 2001-02-23 | Lifting system |
Publications (2)
Publication Number | Publication Date |
---|---|
DE10108880A1 true DE10108880A1 (en) | 2002-09-05 |
DE10108880B4 DE10108880B4 (en) | 2014-10-30 |
Family
ID=7675322
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE10108880.9A Expired - Lifetime DE10108880B4 (en) | 2001-02-23 | 2001-02-23 | Lifting system |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE10108880B4 (en) |
Cited By (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10243497A1 (en) * | 2002-09-19 | 2004-04-01 | Ise Innomotive Systems Europe Gmbh | Device for protecting people in a frontal impact on a motor vehicle |
WO2004076245A1 (en) * | 2003-02-26 | 2004-09-10 | Ise Innomotive Systems Europe Gmbh | Device for protecting individuals in the event of a frontal collision with a motor vehicle |
WO2004089703A1 (en) * | 2003-04-08 | 2004-10-21 | Ise Innomotive Systems Europe Gmbh | Protective device for persons in a case of a frontal impact with a vehicle |
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DE102004015819A1 (en) * | 2004-03-31 | 2005-11-10 | Ise Innomotive Systems Europe Gmbh | Device for erecting motor vehicle hood, at least in front hood lock region, in impending collision with person has reversing spring arrangement tensioned in basic state with spring force larger than that of erected spring storage device |
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DE19712961B4 (en) * | 1997-03-27 | 2009-07-09 | Bayerische Motoren Werke Aktiengesellschaft | Method relating to a device for lifting a front flap on a vehicle |
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DE10243497A1 (en) * | 2002-09-19 | 2004-04-01 | Ise Innomotive Systems Europe Gmbh | Device for protecting people in a frontal impact on a motor vehicle |
DE10243497B4 (en) * | 2002-09-19 | 2004-10-07 | Ise Innomotive Systems Europe Gmbh | Device for protecting people in a frontal impact on a motor vehicle |
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