EP1243724B1 - Poignée exterieure pour véhicules - Google Patents

Poignée exterieure pour véhicules 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 - Fee Related
Application number
EP20020003947
Other languages
German (de)
English (en)
Other versions
EP1243724A2 (fr
EP1243724A3 (fr
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.)
Filing date
Publication date
Application filed by Huf Huelsbeck and Fuerst GmbH and Co KG filed Critical Huf Huelsbeck and Fuerst GmbH and Co KG
Publication of EP1243724A2 publication Critical patent/EP1243724A2/fr
Publication of EP1243724A3 publication Critical patent/EP1243724A3/fr
Application granted granted Critical
Publication of EP1243724B1 publication Critical patent/EP1243724B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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)

Claims (6)

  1. Poignée extérieure de portière (10), en particulier pour des véhicules, avec un organe de liaison (31) qui, lors de l'actionnement de la poignée extérieure de portière (10), agit sur une serrure (20),
    avec un verrou de collision (30) pour l'organe de liaison (31), qui normalement est inefficace,
    et avec un capteur de collision (25), réagissant à des efforts d'inertie (19), capteur qui fait entrer en action le verrou de collision (30) dans le cas d'une collision,
    faisant que le verrou de collision (30) bloque l'organe de liaison (31) et ne transmet pas à la serrure (20) une force d'inertie (19), agissant sur la poignée (10) dans le sens de l'actionnement (13) du fait de la collision,
    caractérisée en ce que
    l'organe de liaison (31) comporte un organe d'entraínement (32) mobile conjointement,
    en ce que l'organe d'entraínement (32) est disposé dans un milieu (40) liquide, se trouvant dans le verrou de collision et se déplace dans ce milieu (40) en cas de déplacement (33) de l'organe de liaison (31),
    en ce que la viscosité du milieu (40) varie en fonction d'un champ électrique agissant dans le milieu (40),
    et en ce que le capteur de collision (25) commande le champ électrique régnant dans le milieu (40).
  2. Poignée extérieure de portière selon la revendication 1, caractérisée en ce qu'un interrupteur électrique (24) se trouve normalement à sa position de déconnexion et maintient le milieu (40) exempt de contraintes électriques,
    faisant que le milieu (40) est très fluide et permet un déplacement (33) pratiquement libre de l'organe d'entraínement (32) dans le milieu (40),
    et en ce que, en cas de collision, le capteur de collision (25) enclenche l'interrupteur (24) et rend ainsi le milieu (40) visqueux,
    en ce qu'un déplacement (33) de l'organe d'entraínement (32) dans le milieu (40) est pratiquement bloqué.
  3. Poignée extérieure de portière selon la revendication 1 ou 2, caractérisée en ce qu'un récipient (34) reçoit le milieu (40) et est monté (29, 39) de façon localement fixe sur un support (12).
  4. Poignée extérieure de portière selon la revendication 3, caractérisée en ce que des parties de paroi (44) du récipient (34) portent, au moins par endroits, des électrodes (43) et/ou sont eux-mêmes des électrodes, auxquelles peut être appliquée (41, 42) la tension électrique.
  5. Poignée extérieure de portière selon l'une des revendications 1 à 4, caractérisée en ce que l'organe de liaison est formé d'une barre (31) mobile longitudinalement (33), couplant de façon cinématiquement rigide la poignée (10) à la serrure (20),
    en ce que l'organe d'entraínement est un piston (32) axialement fixé à la barre (31) et se déplaçant dans un cylindre (34) en cas de déplacement (33) de la barre,
    et en ce que le cylindre (34) loge le milieu (40) et présente des composants électriques (43, 44) générant un champ électrique à l'intérieur du cylindre.
  6. Poignée extérieure de portière selon la revendication 5, caractérisée en ce que la barre (31) traverse le cylindre (34) à la façon d'une tige de piston.
EP20020003947 2001-03-24 2002-02-22 Poignée exterieure pour véhicules Expired - Fee Related EP1243724B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10114583 2001-03-24
DE10114583A DE10114583C1 (de) 2001-03-24 2001-03-24 Türaußengriff, insbesondere für Fahrzeuge

Publications (3)

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

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20020003947 Expired - Fee Related EP1243724B1 (fr) 2001-03-24 2002-02-22 Poignée exterieure pour véhicules

Country Status (4)

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

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DE102009038612A1 (de) 2009-08-26 2011-03-03 Huf Hülsbeck & Fürst Gmbh & Co. Kg Griffelement mit einer Crashsperre
DE102009038612A9 (de) 2009-08-26 2011-06-22 Huf Hülsbeck & Fürst Gmbh & Co. Kg Griffelement mit einer Crashsperre

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

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