EP1279787B1 - Kraftfahrzeugschloss - Google Patents

Kraftfahrzeugschloss Download PDF

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Publication number
EP1279787B1
EP1279787B1 EP02011420A EP02011420A EP1279787B1 EP 1279787 B1 EP1279787 B1 EP 1279787B1 EP 02011420 A EP02011420 A EP 02011420A EP 02011420 A EP02011420 A EP 02011420A EP 1279787 B1 EP1279787 B1 EP 1279787B1
Authority
EP
European Patent Office
Prior art keywords
measuring element
lock nut
motor vehicle
sensor
vehicle lock
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
EP02011420A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1279787A1 (de
Inventor
Bernd Weyerstall
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.)
Brose Schliesssysteme GmbH and Co KG
Original Assignee
Brose Schliesssysteme 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 Brose Schliesssysteme GmbH and Co KG filed Critical Brose Schliesssysteme GmbH and Co KG
Publication of EP1279787A1 publication Critical patent/EP1279787A1/de
Application granted granted Critical
Publication of EP1279787B1 publication Critical patent/EP1279787B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/54—Electrical circuits
    • E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
    • 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
    • E05B83/36—Locks for passenger or like doors
    • 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
    • Y10S70/00—Locks
    • Y10S70/30—Switch lock
    • 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
    • Y10T70/00—Locks
    • Y10T70/60—Systems
    • Y10T70/625—Operation and control
    • Y10T70/65—Central control
    • 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
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7051—Using a powered device [e.g., motor]
    • Y10T70/7057—Permanent magnet
    • 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
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/7486—Single key
    • Y10T70/7508—Tumbler type
    • Y10T70/7559—Cylinder type
    • Y10T70/7667—Operating elements, parts and adjuncts
    • Y10T70/7706—Operating connections
    • 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
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/7486—Single key
    • Y10T70/7508—Tumbler type
    • Y10T70/7559—Cylinder type
    • Y10T70/7667—Operating elements, parts and adjuncts
    • Y10T70/7706—Operating connections
    • Y10T70/7712—Rollbacks

Definitions

  • the present invention relates to a motor vehicle lock with the features the preamble of claim 1.
  • a motor vehicle lock has mechanical components such as for example lock latch, pawl, inside or outside operating lever as well as internal and external safety levers are increasingly electrical or electronic components. In addition to electrical actuators, these are in particular Sensors for monitoring the current status of the lock mechanics of the motor vehicle lock.
  • Information about the state of the lock mechanism of the motor vehicle lock deliver in particular the actuating movement or the current position individual force application elements that an actuation force and movement record and to other mechanical components of the lock mechanism hand off.
  • Such an element of the lock mechanism is, for example a lock nut, in a certain embodiment on an external locking lever acts.
  • the lock nut is generally substantially cylindrical trained and rotatable about an axis of rotation. The lock mechanism shows this appropriate storage.
  • the position of a lock nut is recorded via a measuring system, the preferably has a sensor in addition to a measuring element. Depending on the sensor the position of the measuring element can be determined within certain limits. For this Position detection of the measuring element by the sensor, it is necessary that the measuring element is at least partially within the measuring range of the sensor located.
  • the sensor is a Hall sensor chip and the measuring element is a component that carries a magnet or is partially made of magnetized material.
  • a lock nut is provided with a disc-shaped Intermediate element is motion-coupled. Both components, Lock nut and intermediate element are rotatable about the same axis of rotation.
  • the Intermediate element together with the lock nut ensures the movement coupling between a paddle and the exterior safety lever of the Motor vehicle lock and also takes over the function of the measuring element.
  • a microswitch is used to monitor the angular position of the lock nut -
  • the sensor of the measuring system - provided that directly on the intermediate element is arranged in a radial orientation.
  • the intermediate element has a backdrop in a certain edge area, so that the Microswitch allows a rough detection of the position of the lock nut.
  • the intermediate element is designed as a separate component from the lock nut is, so that the design of these two components in certain Limits can be made independently. This is basically the Prerequisite for that in the automotive industry in all areas Progressive modularization of component parts.
  • the disadvantage is however, that the arrangement by the disc-shaped intermediate element overall requires a relatively large amount of space.
  • the invention is therefore based on the object, the known, previously detailed explained and refine motor vehicle lock so that a contactless monitoring of the angular position of the lock nut in particular compact manner, but in particular while maintaining the modular Construction, becomes possible.
  • the measuring element is located directly on the outside Cylinder surface of the lock nut arranged, but at the same time as by the Lock nut separate component is formed.
  • annular measuring element in one Pre-assembly position can be injected onto the lock nut such that there are connecting webs between the lock nut and measuring element.
  • These connecting bars are designed as predetermined breaking points that break during assembly.
  • the measuring element can be broken in its connecting webs Final assembly position are brought.
  • the above-mentioned pre-assembly position of the measuring element can be at any The lock nut should be provided. However, it is particularly advantageous if the measuring element is aligned coaxially to the lock nut and via a only linear movement can be brought into its final assembly position can. In this case, the measuring element during assembly of the lock nut also serve as a centering aid. This reduces the assembly effort to a minimum.
  • the teaching of the invention is of particular importance in connection with a Measuring system based on a Hall sensor.
  • the measuring element is then preferably a plastic ring that receives one or more magnets.
  • the mechanical interface of the measuring element to the lock nut is kept constant is the structural design of the measuring element almost any.
  • the ring-shaped measuring element in a Production changeover, possibly a new sensor or another evaluation method provides for easy exchange.
  • Fig. 1 shows a motor vehicle lock 1 of the type in question for one of outside, preferably with key and lock cylinder, lockable door one Motor vehicle.
  • the motor vehicle lock 1 has a lock housing 2, that receives the lock mechanism and in which a catch bearing 3 is arranged, that forms an inlet slot 4 in which a rotary latch 5 can be seen.
  • a catch bearing 3 is arranged, that forms an inlet slot 4 in which a rotary latch 5 can be seen.
  • an external actuation lever 6 and an external safety lever 7 to recognize the lock mechanism.
  • a force application element is shown in Form of a lock nut 8 which is rotatable about an axis of rotation 9 and is preferably substantially cylindrical.
  • a corresponding lock nut storage 10 is provided.
  • the lock nut 8 is with a mounted motor vehicle lock 1 here Paddle, not shown, on one side and with the external locking lever 7 on the other side motion-coupled. Detection components the angular position of the lock nut 8 are not shown in Fig. 1.
  • the motor vehicle lock 1 described here has, as can be seen in FIG. 2 lets, via a measuring system 11 for detecting the position of the lock nut 8.
  • Das Measuring system 11 has at least one fixed sensor 12 and at least a with the lock nut 8 motion-coupled measuring element 13.
  • the measuring element 13 is characterized in that it has different areas has that differ within the measuring range of the sensor 12 Cause sensor reactions. According to this basic principle the position of the measuring element 13 can be determined within certain limits as long as the measuring element 13 at least in sections in the measuring range of the Sensor 12 is located. If the measuring element 13, as described above, is coupled to the lock nut 8, can on the location of the measuring element 13 be closed on the position of the lock nut 8.
  • Fig. 2 shows a preferred embodiment of the lock nut 8 and the measuring system 13 in the unmounted state, immediately before assembly.
  • the lock nut 8 is inserted into a mounting hole, not shown here and fitted into the lock nut bearing 10.
  • the lock nut 8 and that Measuring element 13 are then in their respective final assembly positions.
  • the mounting hole and the lock nut bearing 10 can largely be any be designed and constructively fall in a preferred embodiment together.
  • the sensor 12 of the measuring system 11 is fixed here in the immediate vicinity the lock nut 8 arranged. Basically, however, for sensor 12, largely any, depending on the design of the lock mechanism Arrangements are possible. It is also conceivable for the sensor 12 to be arranged further away from the lock nut 8 when the measuring element 13 is designed accordingly.
  • the measuring element 13 is essentially ring-shaped educated. When the lock nut 8 is mounted, this essentially sums up annular measuring element 13, the lock nut 8 at least partially. This largely form-fitting combination of lock nut 8 and measuring element 13 leads to a particularly space-saving arrangement.
  • the measuring element 13 is formed closed ring.
  • the Measuring element 13 surrounds the lock nut 8 to the full extent. Especially The high dimensional stability of a closed ring and is advantageous the little effort in attaching the measuring element 13 to the lock nut 8th.
  • the measuring element 13 is not closed in a ring shape to design, but to provide individual, separate ring segments.
  • This configuration is shown in Fig. 3.
  • the ring segments are then with own guides, or preferably with plug devices corresponding holes 14 attached. Especially with high demands In terms of compactness, this approach can be of great advantage his.
  • the latter configuration is also with only one single ring segment, as shown, conceivable.
  • measuring element 13 and the lock nut 8 are designed as separate, motion-coupled components. This physical separation of the two components is particularly advantageous, when a modular concept is sought. This was in the introduction to the description already explained in detail.
  • the coupling of movement between measuring element 13 and lock nut 8 can be both a rigid coupling, but it can also be a "loose” coupling with be a freewheel provided in certain positions.
  • This freewheel can functionally in certain embodiments of the lock mechanism be necessary and, if necessary, simplify the evaluation of the sensor signals.
  • the lock nut 8 on its outside Cylinder surface at least one web aligned parallel to the axis of rotation 9 15 has.
  • the measuring element 13 then has one or more corresponding ones Grooves 16 on.
  • the lock nut 8 and the measuring element 13 are each in the final assembly position - engages Web 15 or the webs of the lock nut 8 with the corresponding groove 16 or the corresponding grooves of the measuring element 13 into one another.
  • Such one Form locking is particularly advantageous when the measuring element 13 is very is to be placed exactly on the lock nut 8.
  • the lock nut 8 with a groove or with grooves and accordingly the inner ring surface of the measuring element 13 to be provided with bars.
  • the measuring element 13 has at least one locking element 17, and that the lock nut 8th has at least one corresponding locking counter-element 18.
  • the locking element 17 is preferably a hook and the locking counter element 18 a paragraph. When the final assembly position is reached the measuring element 13 snaps the hook element into the paragraph, so that the measuring element 13 is secured in its final assembly position.
  • This attachment variant is particularly advantageous because of the design effort at the lock nut 8 is particularly low. It is easy to see that this type of attachment makes it easy to replace the measuring element 13 against a different type of measuring element with the same locking elements allows.
  • the guide aid in the form of corresponding webs and grooves and the simple Connectivity through hooks and heels the assembly of the lock nut 8 already Simplify considerably, is another according to the preferred embodiment Simplification provided during assembly.
  • the measuring element 13 is in the unmounted state via at least one connecting web 19 on one Pre-assembly position fixed on the lock nut 8.
  • the connecting webs 19 are designed as predetermined breaking points during the assembly process the lock nut 8 break, so that the measuring element 13 in its Final assembly position can be brought.
  • these Connecting webs 19 made by plastic injection molding.
  • the measuring element 13 no longer has to be supplied as a separate component during assembly be, but is already fixed to the lock nut 8. Except for this fixation however, the previously described advantageous physical separation between Measuring element 13 and lock nut 8 exist.
  • the measuring element 13 is in its Pre-assembly position coaxially aligned with the lock nut 8. Now will that Measuring element 13 pressed in the direction of its final assembly position, so break the connecting webs 19 as soon as a minimum force is exceeded. In order to the measuring element 13 can be moved into its final assembly position by a single linear movement to be brought.
  • the position of the pre-assembly position of the measuring element 13 along the axis of rotation 9 is the lock nut 8 - in the above-mentioned coaxial orientation largely arbitrary and can depend on the design, for example be dependent on the design of the mounting hole.
  • the low price combined with compact design and high accuracy Hall sensors have become widely used in the automotive industry enforced.
  • This sensor principle is also for the present approach Particularly favorable, since the ring-shaped measuring element 13 is a simple one or can hold several magnets 20. Depending on the position of the lock nut 8 and thus the measuring element 13 is a detection of that contained in the measuring element 13 Sensor 12 possible. This is also the conclusion on the position the lock nut 8 possible.
  • the magnet 20 or the magnets can be on any Be connected with the measuring element 13. It is possible here Let in, inject, glue, clamp or the like
  • the measuring element 13 in the measurement methods mentioned above do not consist of ferromagnetic or electrically conductive material can. It is preferably made of a plastic material, the one or more influencing elements, such as magnets or metal elements having. However, it should also be pointed out that if more suitable Interpretation of the sensor 12 the lock nut 8 itself out of conductive or ferromagnetic material can exist.
  • the measuring element 13 can be a or wear several reflectors, have different colors in sections or have different light transmittances.
  • the measuring element has 13 recesses can be recognized by an optical sensor.
  • the material of the Measuring element 13 of no importance as long as its surface is the required has optical properties.

Landscapes

  • Lock And Its Accessories (AREA)
EP02011420A 2001-07-24 2002-05-24 Kraftfahrzeugschloss Expired - Lifetime EP1279787B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10135218 2001-07-24
DE10135218A DE10135218A1 (de) 2001-07-24 2001-07-24 Kraftfahrzeugschloß

Publications (2)

Publication Number Publication Date
EP1279787A1 EP1279787A1 (de) 2003-01-29
EP1279787B1 true EP1279787B1 (de) 2004-06-30

Family

ID=7692382

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02011420A Expired - Lifetime EP1279787B1 (de) 2001-07-24 2002-05-24 Kraftfahrzeugschloss

Country Status (4)

Country Link
US (1) US6711923B2 (es)
EP (1) EP1279787B1 (es)
DE (2) DE10135218A1 (es)
ES (1) ES2221913T3 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7026897B2 (en) * 2003-01-03 2006-04-11 Honeywell International Inc. Multiple output magnetic sensor
FR2882772B1 (fr) * 2005-03-04 2007-05-04 Valeo Securite Habitacle Sas Verrou debrayable pour un mecanisme de serrure automobile
FR2882771B1 (fr) * 2005-03-04 2008-09-05 Valeo Securite Habitacle Sas Verrou debrayable pour un mecanisme de serrure automobile
FR2883322B1 (fr) * 2005-03-18 2008-09-05 Valeo Securite Habitacle Sas Verrou debrayable pour un mecanisme de serrure automobile

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3181098A (en) * 1963-12-23 1965-04-27 Lorenzo A Richards Electrical sensing unit for measuring and controlling water in porous media
DE2206332C2 (de) * 1972-02-10 1974-03-07 Mrt Magnet-Regeltechnik Gmbh, 2000 Hamburg Magnetisch arbeitende Sperr- und Steuer vorri chtung
DE3717778A1 (de) * 1987-05-26 1988-12-08 Bocklenberg & Motte Bomoro Kraftfahrzeug-tuerschloss
DE3827564C2 (de) * 1988-08-13 1993-12-23 Daimler Benz Ag Schließeinrichtung für Fahrzeuge
US5229648A (en) * 1989-08-10 1993-07-20 Autosafe International, Inc. Multi element security system
DE3941086A1 (de) * 1989-12-13 1991-06-20 Daimler Benz Ag Kontaktlose tuerkontrolle
US5265453A (en) * 1990-11-30 1993-11-30 Alpha Corporation Cylinder lock
DE4139070A1 (de) * 1990-12-24 1992-06-25 Telefunken Systemtechnik Sensorelement zum ein- und ausschalten einer diebstahlwarnanlage in einem kraftfahrzeug
US5410898A (en) * 1993-10-12 1995-05-02 Shieh; Gary Lock device capable of activating an electrical anti-theft system
DE4422022A1 (de) * 1994-06-23 1996-01-04 Takata Europ Gmbh Sicherheitsgurtstraffer für Kraftfahrzeuge
GB9417748D0 (en) * 1994-09-03 1994-10-19 Yale Security Prod Ltd Electrically operable cylinder lock
DE19702206C2 (de) * 1996-08-24 2000-08-03 Kiekert Ag Kraftfahrzeugtürverschluß mit Schloßsystem und Schließsystem, welcher eine Einrichtung zur Abfrage der Funktionsstellungen des Schließzylinders aufweist, die mit Hallsensoren arbeitet
DE29618688U1 (de) * 1996-10-26 1997-01-02 Kiekert AG, 42579 Heiligenhaus Einrichtung zum Abfragen von Schaltstellungen an einem Kraftfahrzeugtürverschluß
DE19646810C2 (de) * 1996-11-13 1999-02-04 Kiekert Ag Kraftfahrzeugtürverschluß mit Schloßsystem, Schließsystem und auf eine Auswerteelektronik arbeitender Einrichtung Abfrage der Funktionsstellungen des Schließzylinders, die mit Hallsensor-Chips arbeitet
DE19849179C1 (de) * 1998-10-24 2000-03-23 Raymond A & Cie Einsteckklammer zur Blindbefestigung eines Türschloßgehäuses
US6268790B1 (en) * 2000-03-24 2001-07-31 Trw Inc. Anti-theft method and apparatus
DE10046717A1 (de) * 2000-09-21 2002-11-21 Valeo Gmbh & Co Schliessyst Kg Schließvorrichtung für eine Fahrzeugtür
US6550298B1 (en) * 2001-10-09 2003-04-22 Liang-Chin Su Lockset keyway cover-up mechanism

Also Published As

Publication number Publication date
US20030019262A1 (en) 2003-01-30
US6711923B2 (en) 2004-03-30
EP1279787A1 (de) 2003-01-29
DE50200565D1 (de) 2004-08-05
ES2221913T3 (es) 2005-01-16
DE10135218A1 (de) 2003-02-06

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