EP1243724B1 - Outer door handle for vehicles - Google Patents

Outer door handle for vehicles Download PDF

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Publication number
EP1243724B1
EP1243724B1 EP20020003947 EP02003947A EP1243724B1 EP 1243724 B1 EP1243724 B1 EP 1243724B1 EP 20020003947 EP20020003947 EP 20020003947 EP 02003947 A EP02003947 A EP 02003947A EP 1243724 B1 EP1243724 B1 EP 1243724B1
Authority
EP
European Patent Office
Prior art keywords
medium
crash
door handle
external door
cylinder
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.)
Expired - Lifetime
Application number
EP20020003947
Other languages
German (de)
French (fr)
Other versions
EP1243724A3 (en
EP1243724A2 (en
Inventor
Stefan MÖNIG
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huf Huelsbeck and Fuerst GmbH and Co KG
Original Assignee
Huf Huelsbeck and Fuerst GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Publication of EP1243724A2 publication Critical patent/EP1243724A2/en
Publication of EP1243724A3 publication Critical patent/EP1243724A3/en
Application granted granted Critical
Publication of EP1243724B1 publication Critical patent/EP1243724B1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B77/00—Vehicle locks characterised by special functions or purposes
    • E05B77/02—Vehicle locks characterised by special functions or purposes for accident situations
    • E05B77/04—Preventing unwanted lock actuation, e.g. unlatching, at the moment of collision
    • E05B77/06—Preventing unwanted lock actuation, e.g. unlatching, at the moment of collision by means of inertial forces
    • 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
    • E05B77/42—Means for damping the movement of lock parts, e.g. slowing down the return movement of a handle
    • 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
    • E05B2047/0026—Clutches, couplings or braking arrangements
    • E05B2047/0033—Clutches, couplings or braking arrangements using electro-rheological or magneto-rheological substances
    • 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
    • E05B85/10—Handles
    • E05B85/14—Handles pivoted about an axis parallel to the wing
    • E05B85/18—Handles pivoted about an axis parallel to the wing a longitudinal grip part being pivoted about an axis parallel to the longitudinal axis of the grip part
    • 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
    • Y10S292/23—Vehicle door 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S292/00—Closure fasteners
    • Y10S292/65—Emergency or safety
    • 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
    • Y10T292/57—Operators with knobs or handles

Definitions

  • the invention is directed to an outside door handle with a crash lock in Preamble of claim 1 specified type of such outside door handle is in the document WO-A-0111172.
  • a crash Handle When the handle is actuated, over a link acted on a lock.
  • the handle In the event of a crash Handle and the limbs connected to it inertial forces. These can do this cause the handle to perform an undesirable actuation movement and thereby the lock opens. Then the door opens and the people sitting in the vehicle can be thrown out of the vehicle. To rule that out crash barriers are used.
  • crash barriers attack the connecting link, but they are usually ineffective. But there is one that responds to inertial forces Crash sensor that sets the crash lock effective in the event of a crash. In this case the link is blocked and actuation of the handle remains ineffective.
  • Such crash barriers are usually referred to as so-called "mass barriers” educated. So it is with a door handle designed as a pull handle known type (DE 20 23 859 B2), on which as a connecting link Acting shaft of the handle to attack an additional mass.
  • the Additional mass sits on one arm of a two-armed lever and is by one Tension spring loaded, which ensures that the arm of the lever normally one Reaches behind the nose of the shaft.
  • This spring load is usually at the usual operation of the handle, overcome, causing the lever on the nose Releases grip.
  • the additional mass is so high Inertia that the other lever arm holds the nose and thereby one through sluggishly caused actuation of the handle prevented. Make mass locks is also noticeable in the normal operation of a door handle.
  • an electrorheological Liquid for locking a component pivotable about an axis use, e.g. one to open at a certain angle and then to locking door.
  • a position sensor determines the respective angular position of the door, which he reports to evaluation electronics.
  • the evaluation electronics compare the actual position the door with the target position and acts on control electronics, which controls the physical state of the liquid via electrodes, which on the one hand a rotary piston and on the other hand are arranged on a fixed cylinder.
  • the rotary piston is connected to the door in a rotationally fixed manner. Is the desired swivel position reached the door, the electrorheological fluid goes into its solid Physical state above, which leads to locking of the angular position of the door.
  • the Application on crash barriers is not evident.
  • the invention has for its object an external door handle in the preamble to develop the type of claim 1, which has the disadvantages of the known Avoids crash lock.
  • This is according to the invention by the in claim 1 specified measures achieved, which have the following special meaning.
  • the crash barrier according to the invention works according to one of the known Crash locks completely different, new principle.
  • the invention changes in the event of a crash only the viscosity of the liquid medium.
  • Such media are called "SKSintelligente Materials ".
  • This medium has the property that its viscosity as a function of an electrical voltage, i.e. of a electrical field acting in the medium.
  • the medium highly fluid and allows the driver to move in the medium in one Operation of the handle easily.
  • the remaining flow resistances can even be used sensibly to dampen the actuation of the handle.
  • the latter is interesting for door handles that are under a restoring force should move back to their starting position as silently as possible.
  • the crucial point of the invention is that it is so high in the event of a crash apply electrical field to this medium that movement of the driver is essentially blocked in the medium. For this it is enough to act on inertial forces Appealing sensor to provide an electrical switch for an im Medium electric field to be actuated.
  • the driver and the medium can be anywhere in the link chain between the handle and the Lock arranged.
  • the crash sensor can also do more Take over functions, e.g. an alarm message of the accident via radio or the like monitoring stations located outside the vehicle.
  • An outside door handle 10 is used to operate a lock 20, which in present case has a rotary latch 21 as a closing means. Using the rotary latch 21 a door 15 should normally be held in the closed position, as in FIG. 1 is shown. Then the handle 10 is in a through the auxiliary line 10.1 illustrated rest position and the catch 21 is with one on the body of the Vehicle stationary locking bolt 22 engaged.
  • the handle 10 is via an axis 11 seated on a support 12 in the direction of the arrow 13 movable.
  • the carrier 12 is on the inside of an outer door panel 16 attached and an arm 14 engaging on the door handle 10 protrudes from the axis 11 coming, recesses in the carrier 12 and in the outer cladding 16. Not closer restoring forces shown hold the handle 10 in the aforementioned rest position 10.1.
  • the Movement 13 of the handle 10 is transmitted to a working arm 17, which has a special connection 30 is mechanically connected to the lock 20.
  • the Connection comprises a rod 31 which is designed here as a longitudinally movable rod Connecting link, one end of which is connected here via a joint-push connection 18 is connected to the working arm 17 by the handle 10.
  • the other The rod end is in an analogous manner by means of an articulated thrust connection provided there 28 coupled to an input member 23 of the lock 20.
  • FIG. 1 clarified operating position 10.2 transferred.
  • This grip movement 13 is on the handle-side working arm, which is then in the dash-dotted line in Fig. 1 indicated operating position 17 'arrives.
  • the longitudinal movement 33 of the rod 31 illustrated in FIG. 1 The grip movement 13 is thus transmitted through the rod 31 to the lock input member, which reaches the actuation position, which is also shown in dash-dot lines.
  • the rotary latch 21 is connected via the lock parts connected downstream of the input member 23 ' unlocks and releases the locking pin 22.
  • the door 15 can then be opened.
  • the rod 31 acting here as a link sits with it movable driver 32, which here as a piston 31 axially fixed with the rod is trained.
  • the rod 31 passes through a cylinder 34, which acts as a container for a special medium 40 is used.
  • the cylinder 34 is stationary in the door 15 at 29 positioned for what he e.g. has a suitable mounting bar.
  • the cylinder 34 consists of two axial sections 35, 36 the two ends of which the rod 31 emerges and one arranged there Rod seal 37, 38 interspersed.
  • the medium 40 located inside the cylinder is highly fluid. at a rod movement 33, the piston 32 can be almost undisturbed Move inside the cylinder. The remaining liquid flow in the medium 40 can be used to advantage by a return spring Return movement of the handle from its actuation position 10.2 to its rest position 10.1 dampen.
  • labyrinths and / or valves in the area of the piston 32 can be used or provide the cylinder 34.
  • the properties of the medium 40 are changed radically; it becomes extremely tough.
  • One uses the special property of the medium 40 the is that the viscosity of the medium depends on one there acting electrical field changed. By a sufficiently large electrical In the field, the medium 40 becomes so viscous that the piston 32 is stuck in the cylinder 34. A movement 33 of the rod 31 is then blocked. The door handle 10 thus remains even in its rest position 10.1 when high inertia forces 19 act on him.
  • Fig. 1 shows schematically also those electrical or electronic components which to generate the aforementioned electric field inside the medium 40 serve.
  • a crash sensor 25 in the vehicle, which then responds, if the inertia forces in the vehicle result in a certain Exceed threshold. Then a signal is sent via a line 26
  • Control device 24 is supplied, which in connection with a voltage source 27 stands.
  • the voltage source 27 can be a vehicle battery.
  • control device 24 switches on a switch which is switched on electrical lines 41, 42 an electrical voltage at electrodes 43, 44 in Inside of the cylinder 34 sets.
  • the upper cylinder section 35 consists of This case is made of an insulating material, which is why there is an electrical conductive material is located inside the cylinder, which serves as an electrode 43 for connection one line 41 is used.
  • the lower cylinder section 36 already consists of electrically conductive material, which is why its inner surface 44 act as an electrode can.
  • the associated second electrical line 42 is therefore on the container wall connected to this lower cylinder section 36.

Landscapes

  • Lock And Its Accessories (AREA)

Description

Die Erfindung richtet sich auf einen Türaußengriff mit einer Crashsperre der im Oberbegriff des Anspruches 1 angegebenen Art ein solcher Türaußengriff wird im Dokument WO-A-0111172 offenbart. Bei Betätigung des Griffes wird über ein Verbindungsglied auf ein Schloss eingewirkt. Bei einem Crash wirken auf den Griff und die an ihn angeschlossene Glieder Trägheitskräfte. Diese können dazu führen, dass der Griff eine unerwünschte Betätigungsbewegung ausführt und dadurch das Schloss öffnet. Dann geht die Tür auf und die im Fahrzeug sitzenden Personen können aus dem Fahrzeug herausgeschleudert werden. Um das auszuschließen, verwendet man Crashsperren.The invention is directed to an outside door handle with a crash lock in Preamble of claim 1 specified type of such outside door handle is in the document WO-A-0111172. When the handle is actuated, over a link acted on a lock. In the event of a crash Handle and the limbs connected to it inertial forces. These can do this cause the handle to perform an undesirable actuation movement and thereby the lock opens. Then the door opens and the people sitting in the vehicle can be thrown out of the vehicle. To rule that out crash barriers are used.

Solche Crashsperren greifen zwar am Verbindungsglied an, doch sind sie normalerweise unwirksam. Es gibt aber einen auf Trägheitskräfte ansprechenden Crashsensor, der im Falle eines Crashs die Crashsperre wirksam setzt. In diesem Fall wird das Verbindungsglied blockiert und eine Betätigung des Griffs bleibt unwirksam.Such crash barriers attack the connecting link, but they are usually ineffective. But there is one that responds to inertial forces Crash sensor that sets the crash lock effective in the event of a crash. In this case the link is blocked and actuation of the handle remains ineffective.

Es ist bekannt, zwischen einem Türaußengriff und einem auf ein Schloss einwirkenden Verbindungsglied eine Zylinder-Kolben-Einheit zu verwenden (DE 199 10 328 A1). Im Zylinder befindet sich eine Flüssigkeit und der Kolben besitzt Durchtrittsöffnungen, die normalerweise von einem Sperrteil, wie einer Dichtscheibe freigehalten werden. Bei einer unfallbedingten schnellen Anfangsverstellung des Türgriffs bzw. des Verbindungsglieds wird der Kolben in der Flüssigkeit etwas bewegt. Durch die dabei auftretende Strömung der Flüssigkeit zwischen den beiden vom Kolben getrennten Kammern im Zylinder kommt es zu einer zumindest geringen Druckerhöhung in der einen Kammer, wodurch das Sperrelement die Durchtrittsöffnung verschließt. Dann soll eine weitere Bewegung des Kolbens im Zylinder nicht mehr möglich sein. Diese bekannte Crashsperre ist nicht funktionssicher. Die Einstellung des Sensors im Inneren des Zylinders auf den richtigen Ansprechwert ist schwierig.It is known between an outside door handle and one on a lock acting connecting link to use a cylinder-piston unit (DE 199 10 328 A1). There is a liquid in the cylinder and the piston has Passage openings, usually by a blocking part, such as a sealing washer be kept free. In the event of a rapid initial adjustment of the Door handle or the connecting link, the piston in the liquid something emotional. Due to the flow of liquid between the two There are at least a small number of chambers in the cylinder separated from the piston Pressure increase in one chamber, causing the locking element Closes passage opening. Then another movement of the piston in the Cylinders are no longer possible. This well-known crash barrier is not reliable. The setting of the sensor inside the cylinder on the correct response value is difficult.

Üblicherweise werden solche Crashsperren als sogenannte "Massensperren" ausgebildet. So ist es bei einem als Ziehgriff ausgebildeten Türaußengriff der eingangs genannten Art bekannt (DE 20 23 859 B2), an dem als Verbindungsglied fungierenden Schaft des Griffes eine Zusatzmasse angreifen zu lassen. Die Zusatzmasse sitzt an dem einen Arm eines zweiarmigen Hebels und wird von einer Zugfeder belastet, welche dafür sorgt, dass der Arm des Hebels normalerweise eine Nase des Schafts hintergreift. Diese Federbelastung wird normalerweise, bei der üblichen Betätigung des Griffs, überwunden, wodurch der Hebel die Nase am Griffschaft freigibt. Im Crashfall aber wirkt an der Zusatzmasse eine so hohe Trägheitskraft, dass der andere Hebelarm die Nase festhält und dadurch eine durch träghaft hervorgerufene Betätigung des Griffs verhindert. Massensperren machen sich auch bei der normalen Betätigung eines Türgriffs störend bemerkbar.Such crash barriers are usually referred to as so-called "mass barriers" educated. So it is with a door handle designed as a pull handle known type (DE 20 23 859 B2), on which as a connecting link Acting shaft of the handle to attack an additional mass. The Additional mass sits on one arm of a two-armed lever and is by one Tension spring loaded, which ensures that the arm of the lever normally one Reaches behind the nose of the shaft. This spring load is usually at the usual operation of the handle, overcome, causing the lever on the nose Releases grip. In the event of a crash, however, the additional mass is so high Inertia that the other lever arm holds the nose and thereby one through sluggishly caused actuation of the handle prevented. Make mass locks is also noticeable in the normal operation of a door handle.

Ferner ist es bekannt, zwischen einem Riegel und einem Betätigungshebel eine schaltbare Kupplung zu verwenden, die mit einer elektrorheologischer Flüssigkeit arbeitet (DE 199 24 685 A1). Die Achse des Betätigungshebels ist mit einem Drehyzlinder fest verbunden, der sich in einem Hohlzylinder befindet. Der Hohlzylinder ist seinerseits drehfest mit dem Riegel verbunden. Die elektrorheologische Flüssigkeit befindet sich im Freiraum zwischen dem Drehzylinder und dem Hohlzylinder, wo auch die Elektroden zur Erzeugung eines elektrischen Feldes sitzen. In Abhängigkeit vom elektrischen Feld geht die Flüssigkeit von einem dünnflüssigen, über den plastischen bis zu einem festen Aggregatzustand über. Wenn die Flüssigkeit erstarrt, ist die Kupplung wirksam und bei einer Drehung des Betätigungshebels wird der Riegel mitgenommen. Die Anwendung eines Crashsensors zur Steuerung des Aggregatzustands der Flüssigkeit ist nicht vorgesehen.It is also known to have a between a bolt and an operating lever switchable clutch to use with an electrorheological fluid works (DE 199 24 685 A1). The axis of the operating lever is one Drehyzlinder firmly connected, which is located in a hollow cylinder. The The hollow cylinder is in turn non-rotatably connected to the bolt. The electrorheological fluid is in the space between the Rotary cylinder and the hollow cylinder, where the electrodes for generating a electric field. Depending on the electrical field, the Liquid from a thin, over the plastic to a solid Physical state over. If the liquid solidifies, the coupling is effective and when the actuating lever is turned, the bolt is taken away. The Use of a crash sensor to control the physical state of the liquid is not scheduled.

Es ist schließlich auch bekannt (DE 197 54 167 A1) eine elektrorheologische Flüssigkeit zur Arretierung einer um eine Achse schwenkbaren Komponente zu verwenden, z.B. einer um einen bestimmten Winkel zu öffnenden und dann zu arretierenden Tür. Ein Positionssensor ermittelt die jeweilige Winkellage der Tür, den er einer Auswerteelektronik meldet. Die Auswerteelektronik vergleicht die IstPosition der Tür mit der Soll-Position und wirkt auf eine Steuerelektronik, welche den Aggregatzustand der Flüssigkeit über Elektroden steuert, welche einerseits an einem Drehkolben und andererseits an einem festen Zylinder angeordnet sind. Der Drehkolben ist drehfest mit der Tür verbunden. Ist die gewünschte Schwenkposition der Tür erreicht, so geht die elektrorheologische Flüssigkeit in ihren festen Aggregatzustand über, was zur Arretierung der Winkellage der Tür führt. Die Anwendung auf Crashsperren ist nicht ersichtlich.Finally, it is also known (DE 197 54 167 A1) an electrorheological Liquid for locking a component pivotable about an axis use, e.g. one to open at a certain angle and then to locking door. A position sensor determines the respective angular position of the door, which he reports to evaluation electronics. The evaluation electronics compare the actual position the door with the target position and acts on control electronics, which controls the physical state of the liquid via electrodes, which on the one hand a rotary piston and on the other hand are arranged on a fixed cylinder. The The rotary piston is connected to the door in a rotationally fixed manner. Is the desired swivel position reached the door, the electrorheological fluid goes into its solid Physical state above, which leads to locking of the angular position of the door. The Application on crash barriers is not evident.

Der Erfindung liegt die Aufgabe zugrunde, einen Türaußengriff der im Oberbegriff des Anspruches 1 genannten Art zu entwickeln, der die Nachteile der bekannten Crashsperre vermeidet. Dies wird erfindungsgemäß durch die im Anspruch 1 angegebenen Maßnahmen erreicht, denen folgende besondere Bedeutung zukommt.The invention has for its object an external door handle in the preamble to develop the type of claim 1, which has the disadvantages of the known Avoids crash lock. This is according to the invention by the in claim 1 specified measures achieved, which have the following special meaning.

Die Crashsperre nach der Erfindung arbeitet nach einem gegenüber den bekannten Crashsperren völlig anderen, neuen Prinzip. Die Erfindung verändert im Crashfall lediglich die Viskosität des flüssigen Mediums. Solche Medien werden als "SKSintelligente Werkstoffe" bezeichnet. Dieses Medium hat die Eigenschaft, dass sich seine Viskositität in Abhängigkeit von einer elektrischen Spannung, d.h. von einem im Medium wirkenden elektrischen Feld, verändert. Normalerweise ist das Medium hoch flüssig und lässt eine Bewegung des Mitnehmers im Medium bei einer Betätigung des Griffs ohne weiteres zu. Die verbleibenden Strömungs-Widerstände können sogar sinnvoll zur Dämpfung der Betätigung des Handgriffs genutzt werden. Letzteres ist bei unter einer Rückstellkraft stehenden Türgriffen interessant, die sich möglichst geräuschlos in ihre Ausgangsstellung zurückbewegen sollen. Man kann hier das auf dem ganz anderen Gebiet der "Türschließer" bekannte Prinzip anwenden, indem man die Betätigung des Griffs zwar leichtgängig, aber seine Rückstellbewegung über geeignete Ventile oder Labyrinthe dämpft.The crash barrier according to the invention works according to one of the known Crash locks completely different, new principle. The invention changes in the event of a crash only the viscosity of the liquid medium. Such media are called "SKSintelligente Materials ". This medium has the property that its viscosity as a function of an electrical voltage, i.e. of a electrical field acting in the medium. Usually the medium highly fluid and allows the driver to move in the medium in one Operation of the handle easily. The remaining flow resistances can even be used sensibly to dampen the actuation of the handle. The latter is interesting for door handles that are under a restoring force should move back to their starting position as silently as possible. One can apply the principle known in the completely different field of "door closers", by smoothly operating the handle, but its The return movement dampens using suitable valves or labyrinths.

Das Entscheidende der Erfindung liegt aber darin, in einem Crashfall ein so hohes elektrisches Feld an dieses Medium anzulegen, dass eine Bewegung des Mitnehmers im Medium im wesentlichen blockiert ist. Dafür genügt es einen auf Trägheitskräfte ansprechenden Sensor vorzusehen, der einen elektrischen Schalter für eine im Medium zu erzeugendes elektrisches Feld betätigt. Der Mitnehmer und das Medium können an einem beliebigen Ort in der Gliederkette zwischen dem Griff und dem Schloss angeordnet sein. Der Crashsensor kann im Übrigen auch noch weitere Funktionen übernehmen, z.B. eine Alarmmeldung des Unfalls über Funk od. dgl. an außerhalb des Fahrzeugs befindlichen Überwachungsstationen.The crucial point of the invention, however, is that it is so high in the event of a crash apply electrical field to this medium that movement of the driver is essentially blocked in the medium. For this it is enough to act on inertial forces Appealing sensor to provide an electrical switch for an im Medium electric field to be actuated. The driver and the medium can be anywhere in the link chain between the handle and the Lock arranged. The crash sensor can also do more Take over functions, e.g. an alarm message of the accident via radio or the like monitoring stations located outside the vehicle.

Weitere Maßnahmen und Vorteile der Erfindung ergeben sich aus den Unteransprüchen, der nachfolgenden Beschreibung und den Zeichnungen. In den Zeichnungen ist die Erfindung schematisch in einem Ausführungsbeispiel dargestellt. Es zeigen:

Fig. 1,
schematisch und teilweise im Ausbruch, die Draufsicht auf den Falz einer im Bruchstück dargestellten Tür und
Fig. 2,
im Axialschnitt und in einer Vergrößerung gegenüber Fig. 1, einen Bauteil der in Fig. 1 gezeigten Vorrichtung.
Further measures and advantages of the invention result from the subclaims, the following description and the drawings. In the drawings, the invention is shown schematically in one embodiment. Show it:
Fig. 1
schematically and partially in the outbreak, the top view of the fold of a door shown in the fragment and
Fig. 2,
in axial section and in an enlargement compared to FIG. 1, a component of the device shown in FIG. 1.

Ein Türaußengriff 10 dient dazu ein Schloss 20 zu betätigen, welches im vorliegenden Fall eine Drehfalle 21 als Schließmittel besitzt. Mittels der Drehfalle 21 soll eine Tür 15 normalerweise in Schließstellung gehalten werden, wie in Fig. 1 gezeigt ist. Dann befindet sich der Griff 10 in einer durch die Hilfslinie 10.1 veranschaulichten Ruhelage und die Drehfalle 21 ist mit einem an der Karosserie des Fahrzeugs ortsfest sitzenden Schließbolzen 22 in Eingriff.An outside door handle 10 is used to operate a lock 20, which in present case has a rotary latch 21 as a closing means. Using the rotary latch 21 a door 15 should normally be held in the closed position, as in FIG. 1 is shown. Then the handle 10 is in a through the auxiliary line 10.1 illustrated rest position and the catch 21 is with one on the body of the Vehicle stationary locking bolt 22 engaged.

Der Griff 10 ist über eine an einem Träger 12 sitzende Achse 11 im Sinne des Pfeils 13 beweglich. Der Träger 12 ist an der Innenseite einer Türaußenverkleidung 16 befestigt und ein am Türgriff 10 angreifender Arm 14 durchragt, von der Achse 11 kommend, Aussparungen im Träger 12 und in der Außenverkleidung 16. Nicht näher gezeigte Rückstellkräfte halten den Griff 10 in der erwähnten Ruhelage 10.1. Die Bewegung 13 des Griffs 10 wird auf einen Arbeitsarm 17 übertragen, der über eine besondere Verbindung 30 mechanisch mit dem Schloss 20 verbunden ist. Die Verbindung umfasst ein hier als längsbewegliche Stange 31 ausgebildetes Verbindungsglied, deren ein Ende über einen hier kombinierten Gelenk-Schub-Anschluss 18 mit dem Arbeitsarm 17 vom Griff 10 verbunden ist. Das andere Stangenende ist in analoger Weise durch einen dort vorgesehenen Gelenk-Schub-Anschluss 28 mit einem Eingangsglied 23 des Schlosses 20 gekoppelt.The handle 10 is via an axis 11 seated on a support 12 in the direction of the arrow 13 movable. The carrier 12 is on the inside of an outer door panel 16 attached and an arm 14 engaging on the door handle 10 protrudes from the axis 11 coming, recesses in the carrier 12 and in the outer cladding 16. Not closer restoring forces shown hold the handle 10 in the aforementioned rest position 10.1. The Movement 13 of the handle 10 is transmitted to a working arm 17, which has a special connection 30 is mechanically connected to the lock 20. The Connection comprises a rod 31 which is designed here as a longitudinally movable rod Connecting link, one end of which is connected here via a joint-push connection 18 is connected to the working arm 17 by the handle 10. The other The rod end is in an analogous manner by means of an articulated thrust connection provided there 28 coupled to an input member 23 of the lock 20.

Zum Öffnen der Tür 15 wird der Griff 10 erfasst und in die strichpunktiert in Fig. 1 verdeutlichte Betätigungslage 10.2 überführt. Diese Griffbewegung 13 wird auf den griffseitigen Arbeitsarm übertragen, der dann in die ebenfalls strichpunktiert in Fig. 1 angedeutete Betätigungsposition 17' gelangt. Dies führt zu einer durch einen Pfeil in Fig. 1 verdeutlichten Längsbewegung 33 der Stange 31. Die Griffbewegung 13 wird auf dieser Weise durch die Stange 31 auf das Schloss-Eingangsglied übertragen, welches in die ebenfalls strichpunktiert verdeutlichte Betätigungsposition gelangt. Über die dem Eingangsglied 23' nachgeschalteten Schlossteile wird die Drehfalle 21 entriegelt und gibt den Schließbolzen 22 frei. Die Tür 15 kann dann geöffnet werden.To open the door 15, the handle 10 is grasped and dotted in FIG. 1 clarified operating position 10.2 transferred. This grip movement 13 is on the handle-side working arm, which is then in the dash-dotted line in Fig. 1 indicated operating position 17 'arrives. This leads to an arrow The longitudinal movement 33 of the rod 31 illustrated in FIG. 1 The grip movement 13 is thus transmitted through the rod 31 to the lock input member, which reaches the actuation position, which is also shown in dash-dot lines. The rotary latch 21 is connected via the lock parts connected downstream of the input member 23 ' unlocks and releases the locking pin 22. The door 15 can then be opened.

Im Falle eines Crashs wirken auf den Griff und die nachgeschalteten Teile bis zum Schloss 20 Trägheitskräfte. So kann bei einem Unfall die durch einen Kraftpfeil 19 in Fig. 1 verdeutlichte Trägheitskraft auf die Tür 15 wirken, die eine Komponente im Sinne der Griffbetätigung 13 erzeugt. Daher besteht bei einem Unfall die Gefahr, dass der Griff 10 durch die unmittelbar oder mittelbar auf ihn einwirkenden Trägheitskräfte unerwünschterweise in seine Betätigungslage 10.2 gelangt. Wenn sonst keine besonderen Vorkehrungen getroffen werden, führt dies zu einer Bewegung 33 des Verbindungsglieds 31 und damit zu einer Offenposition des Schlosses 20. Die Tür 15 öffnet sich und die im Fahrzeug befindlichen Personen können herausgeschleudert und dadurch schwer verletzt werden. Dies verhindert eine am Verbindungsglied 31 wirkende Crashsperre, die bei der Erfindung in folgender, aus Fig. 2 erkennbarer Weise ausgebildet ist. In the event of a crash, the handle and the downstream parts act up to Lock 20 inertial forces. In the event of an accident, the force arrow 19 In Fig. 1 illustrated inertia act on the door 15, which is a component in Generated sense of the handle 13. Therefore, in the event of an accident, there is a risk that the handle 10 by acting directly or indirectly on it Inertia undesirably reaches its actuating position 10.2. If otherwise no special precautions are taken, this leads to a Movement 33 of the connecting member 31 and thus to an open position of the Lock 20. Door 15 opens and the people in the vehicle can be thrown out and seriously injured as a result. This prevents one crash link acting on the connecting member 31, which in the invention in the following, 2 can be seen.

An der hier als Verbindungsglied fungierenden Stange 31 sitzt ein mit ihr mitbeweglicher Mitnehmer 32, der hier als ein mit der Stange 31 axialfester Kolben ausgebildet ist. Die Stange 31 durchsetzt einen Zylinder 34, der als Behälter für ein besonderes Medium 40 dient. Der Zylinder 34 ist bei 29 ortsfest in der Tür 15 positioniert, wofür er z.B. eine geeignete Montageleiste besitzt. Bereits aus Montagegründen besteht der Zylinder 34 aus zwei axialen Abschnitten 35, 36, an deren beiden Stirnenden die Stange 31 austritt und dabei eine dort angeordnete Stangendichtung 37, 38 durchsetzt.On the rod 31 acting here as a link sits with it movable driver 32, which here as a piston 31 axially fixed with the rod is trained. The rod 31 passes through a cylinder 34, which acts as a container for a special medium 40 is used. The cylinder 34 is stationary in the door 15 at 29 positioned for what he e.g. has a suitable mounting bar. Already out For reasons of assembly, the cylinder 34 consists of two axial sections 35, 36 the two ends of which the rod 31 emerges and one arranged there Rod seal 37, 38 interspersed.

Im Normalfall ist das im Zylinderinneren befindliche Medium 40 hochflüssig. Bei einer Stangenbewegung 33 kann sich der Kolben 32 nahezu ungestört im Zylinderinneren bewegen. Die verbleibende Flüssigkeitsströmung im Medium 40 kann vorteilhaft genutzt werden, um eine durch Rückstellfedern bedingte Rückbewegung des Griffs aus seine Betätigungslage 10.2 in seine Ruhelage 10.1 zu dämpfen. Dazu kann man Labyrinthe und/oder Ventile im Bereich des Kolbens 32 oder des Zylinders 34 vorsehen.In the normal case, the medium 40 located inside the cylinder is highly fluid. at a rod movement 33, the piston 32 can be almost undisturbed Move inside the cylinder. The remaining liquid flow in the medium 40 can be used to advantage by a return spring Return movement of the handle from its actuation position 10.2 to its rest position 10.1 dampen. For this purpose, labyrinths and / or valves in the area of the piston 32 can be used or provide the cylinder 34.

Bei einem Unfall werden aber die Eigenschaften des Mediums 40 radikal geändert; es wird extrem zäh. Man nutzt dabei die besondere Eigenschaft des Mediums 40, die darin besteht, dass sich die Viskosität des Mediums in Abhängigkeit von einem dort wirkenden elektrischen Feld verändert. Durch ein ausreichend großes elektrisches Feld wird das Medium 40 so zähflüssig, dass der Kolben 32 im Zylinder 34 festsitzt. Eine Bewegung 33 der Stange 31 ist dann blockiert. Der Türgriff 10 bleibt folglich selbst dann in seiner Ruhelage 10.1, wenn bei einem Unfall hohe Trägheitskräfte 19 auf ihn wirken.In the event of an accident, however, the properties of the medium 40 are changed radically; it becomes extremely tough. One uses the special property of the medium 40, the is that the viscosity of the medium depends on one there acting electrical field changed. By a sufficiently large electrical In the field, the medium 40 becomes so viscous that the piston 32 is stuck in the cylinder 34. A movement 33 of the rod 31 is then blocked. The door handle 10 thus remains even in its rest position 10.1 when high inertia forces 19 act on him.

Fig. 1 zeigt schematisch auch jene elektrischen bzw. elektronischen Bauteile, welche zur Erzeugung des vorerwähnten elektrischen Feldes im Inneren des Mediums 40 dienen. Dazu gibt es zunächst im Fahrzeug einen Crashsensor 25, der dann anspricht, wenn die im Fahrzeug sich ergebenden Trägheitskräfte einen bestimmten Schwellenwert übersteigen. Dann wird über eine Leitung 26 ein Signal einer Steuereinrichtung 24 zugeführt, die in Verbindung mit einer Spannungsquelle 27 steht. Die Spannungsquelle 27 kann eine Fahrzeugbatterie sein. Die Steuereinrichtung 24 schaltet im Crashfall einen Schalter ein, welcher über elektrische Leitungen 41, 42 eine elektrische Spannung an Elektroden 43, 44 im Inneren des Zylinders 34 legt. Der obere Zylinderabschnitt 35 besteht im vorliegenden Fall aus isolationsfähigem Material, weshalb sich dort ein elektrisch leitendes Material im Zylinderinneren befindet, das als Elektrode 43 zum Anschluss der einen Leitung 41 dient. Der untere Zylinderabschnitt 36 besteht bereits aus elektrisch leitendem Material, weshalb seine Innenfläche 44 als Elektrode fungieren kann. Die zugehörige zweite elektrische Leitung 42 ist daher an die Behälterwand dieses unteren Zylinderabschnitts 36 angeschlossen. Fig. 1 shows schematically also those electrical or electronic components which to generate the aforementioned electric field inside the medium 40 serve. For this purpose, there is first a crash sensor 25 in the vehicle, which then responds, if the inertia forces in the vehicle result in a certain Exceed threshold. Then a signal is sent via a line 26 Control device 24 is supplied, which in connection with a voltage source 27 stands. The voltage source 27 can be a vehicle battery. The In the event of a crash, control device 24 switches on a switch which is switched on electrical lines 41, 42 an electrical voltage at electrodes 43, 44 in Inside of the cylinder 34 sets. The upper cylinder section 35 consists of This case is made of an insulating material, which is why there is an electrical conductive material is located inside the cylinder, which serves as an electrode 43 for connection one line 41 is used. The lower cylinder section 36 already consists of electrically conductive material, which is why its inner surface 44 act as an electrode can. The associated second electrical line 42 is therefore on the container wall connected to this lower cylinder section 36.

Bezugszeichenliste:LIST OF REFERENCE NUMBERS

1010
Türaußengriff, GriffOutside door handle, handle
10.110.1
Ruhelage von 10Rest position from 10
10.210.2
Betätigungslage von 10Actuating position of 10
1111
Achse von 10 gegenüber 12Axis from 10 versus 12
1212
Trägercarrier
1313
Griffbewegung von 10 zwischen 10.1 und 10.2Handle movement from 10 between 10.1 and 10.2
1414
Arm an 10Arm on 10
1515
Türdoor
1616
TüraußenverkleidungExterior door panel
1717
Arbeitsarm an 11 (in Ruhelage)Working arm at 11 (at rest)
17'17 '
Betätigungsposition von 17Operating position from 17th
1818
Gelenk-Schub-Anschluss zwischen 17 und 31Articulated thrust connection between 17 and 31
1919
im Crashfall wirkende TrägheitskraftInertia acting in the event of a crash
2020
Schlosslock
2121
Drehfalle an 20Rotary latch on 20
2222
Schließbolzen für 21Locking bolt for 21
2323
Schloss-Eingangsglied (in Ruhelage)Lock input link (in rest position)
23'23 '
Betätigungsposition von 23Actuating position from 23
2424
Steuereinrichtung, SchalterControl device, switch
2525
Crashsensorcrash sensor
2626
Signalleitung zwischen 24, 25Signal line between 24, 25
2727
Spannungsquelle an 24Power source on 24
2828
Gelenk-Schub-Anschluss zwischen 31 und 23Articulated thrust connection between 31 and 23
2929
Befestigungsmittel für 34 an 12Fasteners for 34 on 12
3030
Crashsperre, Verbindung zwischen 11 und 20Crash barrier, connection between 11 and 20
3131
Verbindungsglied, StangeLink, rod
3232
Mitnehmer an 31, KolbenDriver on 31, piston
3333
Längsbewegung von 31, StangenbewegungLongitudinal movement of 31, rod movement
3434
Behälter, Zylinder Containers, cylinders
3535
oberer Zylinderabschnitt von 34top cylinder section of 34
3636
unterer Zylinderabschnitt von 34lower cylinder section of 34
3737
Stangendichtung von 31 bei 36Rod seal from 31 to 36
3838
Stangendichtung von 31 bei 35Rod seal from 31 to 35
3939
Montageleiste an 34Mounting bar on 34
4040
flüssiges Mediumliquid medium
4141
erste elektrische Leitung zwischen 24 und 34first electrical line between 24 and 34
4242
zweite elektrische Leitung zwischen 24 und 34second electrical wire between 24 and 34
4343
Elektrode bei 35Electrode at 35
4444
Behälter-Innenfläche von 36Container inner surface of 36

Claims (6)

  1. External door handle (10), in particular for vehicles, comprising a connecting member (31) which on actuation of the external door handle (10) acts on a lock (20),
    comprising a crash locking unit (30) for the connecting member (31) and which is normally inactive,
    and comprising a crash sensor (25) reacting to inertial forces (19) and which in the event of a crash activates the crash locking unit (30),
    so the crash locking unit (30) blocks the connecting member (31) and does not transmit to the lock (20) an inertial force (19) acting on the handle (10) in the actuating direction (13) as a result of the crash,
    characterised in that the connecting member (31) has a driving element (32) moveable therewith,
    in that the driving element (32) is arranged in a liquid medium (40) located in the crash locking unit and moves in this medium (40) when the connecting member (31) moves (33),
    in that the viscosity of the medium (40) changes as a function of an electrical field acting in the medium (40),
    and in that the crash sensor (25) controls the electrical field prevailing in the medium (40).
  2. External door handle according to claim 1, characterised in that an electrical switch (24) is normally in its OFF position and keeps the medium (40) free of electrical voltages,
    so the medium (40) is very liquid and allows substantially free movement (33) of the driving element (32) in the medium (40),
    and in that, in the event of a crash, the crash sensor (25) switches on the switch (24) and makes the medium (40) so viscous
    that a movement (33) of the driving element (32) in the medium (40) is substantially blocked.
  3. External door handle according to either claim 1 or claim 2, characterised in that a reservoir (34) receives the medium (40) and is stationarily mounted (29, 39) on a carrier (12).
  4. External door handle according to claim 3, characterised in that wall parts (44) of the reservoir (34) carry electrodes (43), at least at certain points, and/or are themselves electrodes, to which the electrical voltage can be applied (41, 42).
  5. External door handle according to any one of claims 1 to 4, characterised in that the connecting member comprises a longitudinally movable (33) rod (31) which immovably couples the handle (10) to the lock (20),
    in that the driving element is a piston (32) axially secured to the rod (31) and which on movement (33) of the rod moves in a cylinder (34),
    and in that the cylinder (34) receives the medium (40) and comprises electrical components (43, 44) which generate an electrical field in the interior of the cylinder.
  6. External door handle according to claim 5, characterised in that the rod (31) penetrates the cylinder (34) in the manner of a piston rod.
EP20020003947 2001-03-24 2002-02-22 Outer door handle for vehicles Expired - Lifetime EP1243724B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10114583A DE10114583C1 (en) 2001-03-24 2001-03-24 Outside door handle, in particular for vehicles
DE10114583 2001-03-24

Publications (3)

Publication Number Publication Date
EP1243724A2 EP1243724A2 (en) 2002-09-25
EP1243724A3 EP1243724A3 (en) 2003-12-17
EP1243724B1 true EP1243724B1 (en) 2004-10-27

Family

ID=7678925

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20020003947 Expired - Lifetime EP1243724B1 (en) 2001-03-24 2002-02-22 Outer door handle for vehicles

Country Status (4)

Country Link
US (1) US6712409B2 (en)
EP (1) EP1243724B1 (en)
DE (2) DE10114583C1 (en)
ES (1) ES2225666T3 (en)

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DE102008009074A1 (en) 2008-02-14 2009-08-20 Volkswagen Ag Door handle for motor vehicle, is attached to outer side of vehicle door, is connected with bearing bracket, and is detached by defined, intended tearing by adjusting of bearing bracket
DE102009038612A1 (en) 2009-08-26 2011-03-03 Huf Hülsbeck & Fürst Gmbh & Co. Kg Flap e.g. driver's door, actuating device for motor vehicle, has crash lock acting on actuating mechanism during crash of vehicle, where lock comprises propellant, which is ignitable for locking action on actuating mechanism during crash
DE102009038612A9 (en) 2009-08-26 2011-06-22 Huf Hülsbeck & Fürst Gmbh & Co. Kg Handle element with a crash barrier

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DE50201376D1 (en) 2004-12-02
EP1243724A3 (en) 2003-12-17
ES2225666T3 (en) 2005-03-16
DE10114583C1 (en) 2002-12-05
US6712409B2 (en) 2004-03-30
EP1243724A2 (en) 2002-09-25
US20020148075A1 (en) 2002-10-17

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