EP2953813A1 - Locking device - Google Patents

Locking device

Info

Publication number
EP2953813A1
EP2953813A1 EP14702861.7A EP14702861A EP2953813A1 EP 2953813 A1 EP2953813 A1 EP 2953813A1 EP 14702861 A EP14702861 A EP 14702861A EP 2953813 A1 EP2953813 A1 EP 2953813A1
Authority
EP
European Patent Office
Prior art keywords
rail
recess
locking means
locking device
locking
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.)
Withdrawn
Application number
EP14702861.7A
Other languages
German (de)
French (fr)
Inventor
Joachim Flick
Falko Jähner
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.)
Adient Luxembourg Holding SARL
Original Assignee
Johnson Controls GmbH
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 Johnson Controls GmbH filed Critical Johnson Controls GmbH
Publication of EP2953813A1 publication Critical patent/EP2953813A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B60N2/08—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable characterised by the locking device
    • B60N2/0831—Movement of the latch
    • B60N2/0862—Movement of the latch sliding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B60N2/07—Slide construction
    • B60N2/0702—Slide construction characterised by its cross-section
    • B60N2/0705—Slide construction characterised by its cross-section omega-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B60N2/07—Slide construction
    • B60N2/0722—Constructive details
    • B60N2/0727—Stop members for limiting sliding movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B60N2/08—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable characterised by the locking device
    • B60N2/0812—Location of the latch
    • B60N2/0818—Location of the latch inside the rail
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B60N2/08—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable characterised by the locking device
    • B60N2/0831—Movement of the latch
    • B60N2/0862—Movement of the latch sliding
    • B60N2/0875—Movement of the latch sliding in a vertical direction
    • 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
    • Y10T403/00—Joints and connections
    • Y10T403/32—Articulated members
    • Y10T403/32254—Lockable at fixed position
    • Y10T403/32426—Plural distinct positions
    • 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
    • Y10T403/00—Joints and connections
    • Y10T403/32—Articulated members
    • Y10T403/32254—Lockable at fixed position
    • Y10T403/32467—Telescoping members
    • Y10T403/32475—Telescoping members having detent
    • 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
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20576—Elements
    • Y10T74/20636—Detents

Definitions

  • the present invention relates to a locking device for the longitudinal adjustment of a vehicle seat, with which a first rail can be locked relative to a second rail and having a locking means which is connected to one rail and which reversibly engages in a recess in the other rail for locking , Furthermore, the present invention relates to a vehicle seat, comprising the locking device according to the invention and a method for producing the locking device.
  • Vehicle seat can be adapted to the size of the respective seat occupant.
  • the vehicle seats on a first rail, the upper rail, which is preferably connected to the seat part of the vehicle seat, and a second, lower rail, which is preferably connected to the vehicle body, on.
  • the upper rail is moved relative to the lower rail and as soon as the desired position is found, this is locked with a locking device.
  • This locking device has at least one, preferably a plurality of locking means, for example a bolt, which is directly or indirectly connected to one of the rails and engages for locking in a recess in the other rail.
  • This locking means must absorb all forces, in particular the forces that occur in an accident, in order to prevent the vehicle seat from moving involuntarily relative to the vehicle body.
  • a locking device for the longitudinal adjustment of a vehicle seat, with a first rail is locked relative to a second rail and having a locking means which is directly or indirectly connected to the one rail and the locking in a recess in the Reversible engagement of other rail, wherein the surface of the locking means and / or the recess, in particular mechanically, processed and coated with a reibwerter Ecknden coating.
  • the present invention relates to the locking device for the longitudinal adjustment of a vehicle seat.
  • the longitudinal adjustment of the vehicle seat can be moved, for example, in and against the direction of travel of the vehicle to adjust the position of the vehicle seat to the respective size of the vehicle seat occupant.
  • the longitudinal adjustment has a first and a second rail, wherein the first rail usually fixed to the
  • the locking device has a locking means with which the position of the second rail relative to the first rail can be fixed.
  • This locking means is directly or indirectly fixedly connected to one of the two rails and engages according to the invention in a recess which is provided on the other rail, for locking a reversible.
  • the locking means is a bolt which reversibly engages in a recess in the other rail for locking the two rails relative to one another.
  • the locking device has a plurality of locking means, for example a plurality of bolts, each with a,
  • the bolts are at least partially conical, in particular in the region which cooperates with the recess.
  • Each bolt is preferably made of metal, in particular of steel.
  • the metal is particularly preferably cured at least in sections.
  • each recess is also configured conical, wherein the angle of the cone of the recess preferably corresponds to the angle of the conical portion of the bolt.
  • a surface layer for example a corrosion or scale layer, the z. B. formed during curing of the locking means, at least partially removed.
  • a mechanical treatment of the surface are the ball or sandblasting.
  • the layer can also be removed by machining or brushed off.
  • the layer can be removed by sound waves, in particular ultrasonic waves, chemically or electrochemically.
  • any other manner known to the person skilled in the art is also suitable with which a surface layer on the locking means and / or on the recess can be at least partially removed.
  • the treated surface of the locking means and / or the recess is provided with a friction-increasing coating.
  • the coating is the product DeltaSeal RZ.
  • friction-increasing coating has the advantage that the locking means, even at a high dynamic load during an accident, not inadvertently detached from the recess.
  • a friction-increasing coating according to the invention is any coating in which the coefficient of friction of the pairing: surface of the recess / surface of the locking means is greater than the coefficient of friction of the pairing: metallic surface of the
  • Recess / metallic surface of the locking means wherein at least one of the latter surfaces may be provided with a corrosion and / or scale layer.
  • Another object of the present invention is a vehicle seat, comprising the locking device according to the invention for the longitudinal adjustment of the vehicle seat.
  • Yet another object of the present invention is a method for producing the locking device, in which the locking means and / or the recess, preferably after their curing, in particular mechanically, is processed, in particular to remove an existing scale and / or corrosion layer at least partially and in which the surface thus treated is then provided, at least in sections, with a friction-increasing coating.
  • the disclosure made on this subject of the present invention applies equally to the locking device according to the invention and to the vehicle seat according to the invention and vice versa.
  • FIGS. 1 and 2 These explanations are merely exemplary and do not limit the general inventive concept. The explanations apply equally to all articles of the present invention.
  • FIG. 1 shows an embodiment of the locking device according to the invention.
  • FIG. 2 shows an embodiment of a rail.
  • FIG. 1 shows the locking device 7 according to the invention in a side view.
  • This locking device is part of a longitudinal adjustment of a vehicle seat, with which the vehicle seat, for example, in or against the direction of travel of the vehicle, can be moved to this vehicle seat to the length of the respective seat occupant
  • the longitudinal adjustment has a first rail 3, here the upper rail, and a second rail 4, here the lower rail on.
  • the upper rail 3 which is for example directly or indirectly fixedly connected to the seat part of the vehicle seat, becomes
  • a locking device 7 which has a locking means 5, here a bolt, which cooperates in its locking position shown here, with a recess 6 which is provided in the rail 4, locking, so that the rail 3 is not automatic can adjust to the rail 4.
  • the bolt 5 can be moved by means of the handle 1, which in the present case is rotatable about a bearing 2, in two opposite directions, as represented by the double arrow. In the present case, an upward movement causes the rail 3 to be unlocked from the rail 4 and a downward movement causes a corresponding locking of the rail 3 relative to the rail 4.
  • the bolt 5 in the present case in a preferred embodiment, is provided by the spring means 8 in FIG its locking position biased.
  • the locking device preferably has a plurality of locking means, here bolts 5. Further preferred is the locking means, here the bolt 5, at least Sectionally conical 5.1 provided. Accordingly, the recess which cooperates with the conical part 5.1 of the locking means, provided with a corresponding conical slope.
  • the bolt 5 is preferably made of metal, in particular of steel, preferably made of hardened steel. In particular, after curing, the bolt may have a scale and / or corrosion layer.
  • the rails 3, 4 are preferably also made of metal, which may be locally hardened. Preferably, the rail 3, 4 made of sheet metal, such as steel or aluminum sheet, made.
  • the cross section of the locking means 5 in the present case as a polygon, here octagonal provided.
  • the locking means but also any other cross-section, for example, round, square or square or elliptical, may have.
  • polygons or ellipses have the advantage that they can transmit not only shear forces but also torques.
  • the lower rail has a multiplicity of recesses 6, which are preferably arranged equidistant from one another and, particularly preferably, extend over the entire length of the lower rail in order to maximize the size of the lower rail
  • Each locking means 5 acts in the present case with a recess 6 locking together.
  • the surface of the locking means and / or the surface of the recess in particular after at least one of these surfaces has been cured, preferably mechanically, for example by shot blasting and / or sandblasting is treated.
  • this treatment for example, any existing corrosion and / or scale layer is removed.
  • at least one of these pretreated surfaces is provided with a friction-increasing coating, which causes the coefficient of friction between the locking means and the recess in the
  • this friction increasing coating is a DeltaSeal RZ coating.
  • the coating material may be applied to the locking means and / or the surface of the recess in any manner known to those skilled in the art. For example, it can be sprayed on, applied with a brush or applied by dipping. LIST OF REFERENCE NUMBERS

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)

Abstract

The invention relates to a locking mechanism (7) for the longitudinal adjustment of a vehicle seat, by means of which a first rail (3) can be fixed relative to a second rail (4), and which has a fixing means (5) that is connected to one of the rails and fixes the rail by reversibly engaging a recess (6) in the other rail. The invention also relates to a vehicle seat having the claimed locking mechanism, and to a process for producing the locking mechanism.

Description

VERRIEGELUNGSVORRICHTUNG  LOCKING DEVICE
Die vorliegende Erfindung betrifft eine Verriegelungsvorrichtung für die Längsverstellung eines Fahrzeugsitzes, mit der eine erste Schiene relativ zu einer zweiten Schiene arretierbar ist und die ein Arretiermittel aufweist, das mit der einen Schiene verbunden ist und das zur Arretierung in eine Ausnehmung in der anderen Schiene reversibel eingreift. Des Weiteren betrifft die vorliegende Erfindung einen Fahrzeugsitz, aufweisend die erfindungsgemäße Verriegelungsvorrichtung sowie ein Verfahren zur Herstellung der Verriegelungsvorrichtung. The present invention relates to a locking device for the longitudinal adjustment of a vehicle seat, with which a first rail can be locked relative to a second rail and having a locking means which is connected to one rail and which reversibly engages in a recess in the other rail for locking , Furthermore, the present invention relates to a vehicle seat, comprising the locking device according to the invention and a method for producing the locking device.
Fahrzeugsitze weisen heutzutage in der Regel eine Längsverstellung auf, mit der die Position des Fahrzeugsitzes in und gegen die Fahrrichtung zur Anpassung des Vehicle seats nowadays usually have a longitudinal adjustment, with the position of the vehicle seat in and against the direction of travel to adapt the
Fahrzeugsitzes an die Größe des jeweiligen Sitzinsassen angepasst werden kann. Dafür weisen die Fahrzeugsitze eine erste Schiene, die Oberschiene, auf, die vorzugsweise mit dem Sitzteil des Fahrzeugsitzes verbunden ist, und eine zweite, untere Schiene, die vorzugsweise mit der Fahrzeugkarosserie verbunden ist, auf. Zur Längsverstellung des Fahrzeugsitzes wird die obere Schiene relativ zu der unteren Schiene verschoben und sobald die gewünschte Position gefunden ist, wird diese mit einer Verriegelungsvorrichtung arretiert. Diese Verriegelungsvorrichtung weist mindestens ein, vorzugsweise mehrere Arretiermittel, beispielsweise einen Bolzen, auf, der mit einer der Schienen direkt oder indirekt verbunden ist und der zur Arretierung in eine Ausnehmung in der anderen Schiene eingreift. Dieses Verriegelungsmittel muss alle Kräfte, insbesondere auch die Kräfte, die bei einem Unfall auftreten, aufnehmen, um zu verhindern, dass sich der Fahrzeugsitz ungewollterweise relativ zur Fahrzeugkarosserie bewegt. Bei hochdynamischen Vehicle seat can be adapted to the size of the respective seat occupant. For this, the vehicle seats on a first rail, the upper rail, which is preferably connected to the seat part of the vehicle seat, and a second, lower rail, which is preferably connected to the vehicle body, on. For longitudinal adjustment of the vehicle seat, the upper rail is moved relative to the lower rail and as soon as the desired position is found, this is locked with a locking device. This locking device has at least one, preferably a plurality of locking means, for example a bolt, which is directly or indirectly connected to one of the rails and engages for locking in a recess in the other rail. This locking means must absorb all forces, in particular the forces that occur in an accident, in order to prevent the vehicle seat from moving involuntarily relative to the vehicle body. At highly dynamic
Beanspruchungen, wie sie insbesondere bei Unfallsituationen auftreten, kann sich bei einem ungünstigen Kontakt zwischen der Oberfläche des Arretiermittels und der Oberfläche der Ausnehmung bzw. bei ungünstigen Reibbedingungen, insbesondere in Verbindung mit Schwingungen, insbesondere hochfrequenten Schwingungsanteilen, das jeweilige Demands, as they occur in particular in accident situations, can in an unfavorable contact between the surface of the locking means and the surface of the recess or in unfavorable friction conditions, in particular in conjunction with vibrations, in particular high-frequency vibration components, the respective
Arretiermittel ungewollt aus seiner arretierenden Stellung lösen, was zu einer Unintentionally release locking means from its locking position, resulting in a
Längsverstellung des Fahrzeugsitzes führen kann. Longitudinal adjustment of the vehicle seat can lead.
Es war deshalb die Aufgabe der vorliegenden Erfindung, eine Verriegelungsvorrichtung zur Verfügung zu stellen, die die Nachteile des Standes der Technik nicht aufweist. It was therefore the object of the present invention to provide a locking device which does not have the disadvantages of the prior art.
Gelöst wird die Aufgabe mit einer Verriegelungsvorrichtung für die Längsverstellung eines Fahrzeugsitzes, mit der eine erste Schiene relativ zu einer zweiten Schiene arretierbar ist und die ein Arretiermittel aufweist, das mit der einen Schiene direkt oder indirekt verbunden ist und das zur Arretierung in eine Ausnehmung in der anderen Schiene reversibel eingreift, wobei die Oberfläche des Arretiermittels und/oder der Ausnehmung, insbesondere mechanisch, bearbeitet und mit einer reibwerterhöhenden Beschichtung beschichtet ist. The object is achieved with a locking device for the longitudinal adjustment of a vehicle seat, with a first rail is locked relative to a second rail and having a locking means which is directly or indirectly connected to the one rail and the locking in a recess in the Reversible engagement of other rail, wherein the surface of the locking means and / or the recess, in particular mechanically, processed and coated with a reibwerterhöhenden coating.
Die zu diesem Gegenstand der vorliegenden Erfindung gemachte Offenbarung gilt für den erfindungsgemäßen Fahrzeugsitz sowie das erfindungsgemäße Verfahren gleichermaßen und umgekehrt. The disclosure made on this subject of the present invention applies equally to the vehicle seat according to the invention and to the method according to the invention and vice versa.
Die vorliegende Erfindung betrifft die Verriegelungsvorrichtung für die Längsverstellung eines Fahrzeugsitzes. Mit der Längsverstellung kann der Fahrzeugsitz beispielsweise in und gegen die Fahrtrichtung des Fahrzeugs verschoben werden, um die Position des Fahrzeugsitzes an die jeweilige Größe des Fahrzeugsitzinsassen anzupassen. Die Längsverstellung weist eine erste und eine zweite Schiene auf, wobei die erste Schiene in der Regel fest mit dem The present invention relates to the locking device for the longitudinal adjustment of a vehicle seat. With the longitudinal adjustment of the vehicle seat can be moved, for example, in and against the direction of travel of the vehicle to adjust the position of the vehicle seat to the respective size of the vehicle seat occupant. The longitudinal adjustment has a first and a second rail, wherein the first rail usually fixed to the
Fahrzeugsitz und die zweite Schiene fest mit der Karosserie verbunden ist. Die Schienen sind vorzugsweise aus gebogenem oder strangextrudiertem Metall gefertigt. Das Metall kann zumindest lokal gehärtet sein. Zwischen den beiden Schienen sind vorzugsweise Wälzkörper vorgesehen, um die Bewegung der ersten Schiene relativ zu der zweiten Schiene zu erleichtern. Erfindungsgemäß weist die Verriegelungsvorrichtung ein Arretiermittel auf, mit dem die Position der zweiten Schiene relativ zu der ersten Schiene fixiert werden kann. Dieses Arretiermittel ist direkt oder indirekt fest mit einer der beiden Schienen verbunden und greift erfindungsgemäß in eine Ausnehmung, die an der anderen Schiene vorgesehen ist, zur Arretierung reversibel ein. Beispielsweise handelt es sich bei dem Arretiermittel um einen Bolzen, der zur Arretierung der beiden Schienen relativ zueinander in eine Ausnehmung in der anderen Schiene reversibel eingreift. Vorzugsweise weist die Verriegelungsvorrichtung mehrere Arretiermittel, beispielsweise mehrere Bolzen, auf, die jeweils mit einer, Vehicle seat and the second rail is firmly connected to the body. The rails are preferably made of bent or extruded metal. The metal may be at least locally cured. Rolling elements are preferably provided between the two rails in order to facilitate the movement of the first rail relative to the second rail. According to the invention, the locking device has a locking means with which the position of the second rail relative to the first rail can be fixed. This locking means is directly or indirectly fixedly connected to one of the two rails and engages according to the invention in a recess which is provided on the other rail, for locking a reversible. For example, the locking means is a bolt which reversibly engages in a recess in the other rail for locking the two rails relative to one another. Preferably, the locking device has a plurality of locking means, for example a plurality of bolts, each with a,
insbesondere separaten Ausnehmung in der anderen Schiene reversibel eingreifen. in particular separate recess in the other rail reversibly engage.
Vorzugsweise sind die Bolzen zumindest abschnittsweise, insbesondere in dem Bereich, der mit der Ausnehmung zusammenwirkt, konisch vorgesehen. Jeder Bolzen ist vorzugsweise aus Metall, insbesondere aus Stahl, gefertigt. Das Metall ist besonders bevorzugt zumindest abschnittsweise gehärtet. Besonders bevorzugt ist jede Ausnehmung ebenfalls konisch ausgestaltet, wobei der Winkel des Konus der Ausnehmung vorzugsweise dem Winkel des konischen Abschnitts des Bolzens entspricht. Preferably, the bolts are at least partially conical, in particular in the region which cooperates with the recess. Each bolt is preferably made of metal, in particular of steel. The metal is particularly preferably cured at least in sections. Particularly preferably, each recess is also configured conical, wherein the angle of the cone of the recess preferably corresponds to the angle of the conical portion of the bolt.
Erfindungsgemäß ist die Oberfläche des Arretiermittels und/oder die Oberfläche der According to the invention, the surface of the locking means and / or the surface of the
Ausnehmung, insbesondere mechanisch, bearbeitet. Bei dieser Bearbeitung wird Recess, in particular mechanically processed. In this editing is
insbesondere eine Oberflächenschicht, beispielsweise eine Korrosions- oder Zunderschicht, die z. B. beim Härten des Arretiermittels gebildet wird, zumindest teilweise entfernt. Beispiele für eine mechanische Bearbeitung der Oberfläche sind das Kugel- oder Sandstrahlen. Alternativ kann die Schicht aber auch spanabhebend abgetragen oder abgebürstet werden. Weiterhin alternativ kann die Schicht durch Schallwellen, insbesondere Ultraschallwellen, chemisch oder elektrochemisch abgetragen werden. Es kommt aber auch jede andere dem Fachmann geläufige Art und Weise in Frage, mit der eine Oberflächenschicht auf dem Arretiermittel und/oder auf der Ausnehmung zumindest teilweise abgetragen werden kann. in particular a surface layer, for example a corrosion or scale layer, the z. B. formed during curing of the locking means, at least partially removed. Examples of a mechanical treatment of the surface are the ball or sandblasting. Alternatively, the layer can also be removed by machining or brushed off. Furthermore, alternatively, the layer can be removed by sound waves, in particular ultrasonic waves, chemically or electrochemically. However, any other manner known to the person skilled in the art is also suitable with which a surface layer on the locking means and / or on the recess can be at least partially removed.
Anschließend wird die behandelte Oberfläche des Arretiermittels und/oder der Ausnehmung mit einer reibwerterhöhenden Beschichtung versehen. Beispielsweise handelt es sich bei der Beschichtung um das Produkt DeltaSeal RZ. Subsequently, the treated surface of the locking means and / or the recess is provided with a friction-increasing coating. For example, the coating is the product DeltaSeal RZ.
Die Kombination der mechanischen Bearbeitung mit einer anschließenden The combination of mechanical processing with a subsequent
reibwerterhöhenden Beschichtung hat den Vorteil, dass sich das Arretierungsmittel, selbst bei einer hochdynamischen Belastung während eines Unfalls, nicht in ungewollterweise aus der Ausnehmung löst. friction-increasing coating has the advantage that the locking means, even at a high dynamic load during an accident, not inadvertently detached from the recess.
Eine reibwerterhöhende Beschichtung im Sinne der Erfindung ist jede Beschichtung, bei der der Reibwert der Paarung: Oberfläche der Ausnehmung/Oberfläche des Arretiermittels größer ist als der Reibwert der Paarung: metallische Oberfläche der A friction-increasing coating according to the invention is any coating in which the coefficient of friction of the pairing: surface of the recess / surface of the locking means is greater than the coefficient of friction of the pairing: metallic surface of the
Ausnehmung/metallische Oberfläche des Arretiermittels, wobei mindestens eine der letztgenannten Oberflächen mit einer Korrosions- und/oder Zunderschicht versehen sein kann. Recess / metallic surface of the locking means, wherein at least one of the latter surfaces may be provided with a corrosion and / or scale layer.
Ein weiterer Gegenstand der vorliegenden Erfindung ist ein Fahrzeugsitz, aufweisend die erfindungsgemäße Verriegelungsvorrichtung für die Längsverstellung des Fahrzeugsitzes. Another object of the present invention is a vehicle seat, comprising the locking device according to the invention for the longitudinal adjustment of the vehicle seat.
Die zu diesem Gegenstand der vorliegenden Erfindung gemachte Offenbarung gilt für die erfindungsgemäße Verriegelungsvorrichtung sowie das erfindungsgemäße Verfahren gleichermaßen und umgekehrt. The disclosure made on this subject of the present invention applies equally to the locking device according to the invention as well as the method according to the invention and vice versa.
Noch ein weiterer Gegenstand der vorliegenden Erfindung ist ein Verfahren zur Herstellung der Verriegelungsvorrichtung, bei dem das Arretiermittel und/oder die Ausnehmung, vorzugsweise nach deren Härtung, insbesondere mechanisch, bearbeitet wird, insbesondere um eine vorhandene Zunder- und/oder Korrosionsschicht zumindest teilweise zu entfernen und bei dem die so behandelte Oberfläche anschließend zumindest abschnittsweise mit einer reibwerterhöhenden Beschichtung versehen wird. Die zu diesem Gegenstand der vorliegenden Erfindung gemachte Offenbarung gilt für die erfindungsgemäße Verriegelungsvorrichtung sowie für den erfindungsgemäßen Fahrzeugsitz gleichermaßen und umgekehrt. Yet another object of the present invention is a method for producing the locking device, in which the locking means and / or the recess, preferably after their curing, in particular mechanically, is processed, in particular to remove an existing scale and / or corrosion layer at least partially and in which the surface thus treated is then provided, at least in sections, with a friction-increasing coating. The disclosure made on this subject of the present invention applies equally to the locking device according to the invention and to the vehicle seat according to the invention and vice versa.
Im Folgenden wird die Erfindung anhand der Figuren 1 und 2 erläutert. Diese Erläuterungen sind lediglich beispielhaft und schränken den allgemeinen Erfindungsgedanken nicht ein. Die Erläuterungen gelten für alle Gegenstände der vorliegenden Erfindung gleichermaßen. The invention is explained below with reference to FIGS. 1 and 2. These explanations are merely exemplary and do not limit the general inventive concept. The explanations apply equally to all articles of the present invention.
Figur 1 zeigt eine Ausführungsform der erfindungsgemäßen Verriegelungsvorrichtung. FIG. 1 shows an embodiment of the locking device according to the invention.
Figur 2 zeigt eine Ausführungsform einer Schiene. FIG. 2 shows an embodiment of a rail.
Figur 1 zeigt die erfindungsgemäße Verriegelungsvorrichtung 7 in einer Seitenansicht. Diese Verriegelungsvorrichtung ist Teil einer Längsverstellung eines Fahrzeugsitzes, mit der der Fahrzeugsitz, beispielsweise in oder gegen die Fahrtrichtung des Fahrzeugs, verschoben werden kann, um diesen Fahrzeugsitz an die Länge des jeweiligen Sitzinsassen FIG. 1 shows the locking device 7 according to the invention in a side view. This locking device is part of a longitudinal adjustment of a vehicle seat, with which the vehicle seat, for example, in or against the direction of travel of the vehicle, can be moved to this vehicle seat to the length of the respective seat occupant
anzupassen. Die Längsverstellung weist eine erste Schiene 3, hier die obere Schiene, und eine zweite Schiene 4, hier die untere Schiene, auf. Die obere Schiene 3, die beispielsweise direkt oder indirekt fest mit dem Sitzteil des Fahrzeugsitzes verbunden ist, wird zur adapt. The longitudinal adjustment has a first rail 3, here the upper rail, and a second rail 4, here the lower rail on. The upper rail 3, which is for example directly or indirectly fixedly connected to the seat part of the vehicle seat, becomes
Längsverstellung relativ zu der zweiten unteren Schiene 4, die vorzugsweise fest mit der Karosserie des Fahrzeugs verbunden ist, verschoben. Zwischen den Schienen 3, 4 sind in der Regel Wälzkörper (nicht dargestellt) vorgesehen, um die Kraft, die zur Längsverstellung des Fahrzeugsitzes benötigt wird, zu reduzieren. Sobald die jeweils gewünschte Longitudinal displacement relative to the second lower rail 4, which is preferably fixedly connected to the body of the vehicle, moved. Rolling elements (not shown) are generally provided between the rails 3, 4 in order to reduce the force required for the longitudinal adjustment of the vehicle seat. As soon as the respectively desired
Längsposition des Fahrzeugsitzes gefunden ist, wird die obere Schiene 3 relativ zu der unteren Schiene verriegelt, um eine selbsttätige Verstellung des Fahrzeugsitzes zu vermeiden. Dafür ist eine Verriegelungsvorrichtung 7 vorgesehen, die ein Arretiermittel 5, hier einen Bolzen, aufweist, der in seiner hier dargestellten, arretierenden Stellung mit einer Ausnehmung 6, die in der Schiene 4 vorgesehen ist, verriegelnd zusammenwirkt, so dass sich die Schiene 3 nicht selbsttätig zu der Schiene 4 verstellen kann. Der Bolzen 5 kann mittels der Handhabe 1 , die in dem vorliegenden Fall um ein Lager 2 drehbar vorgesehen ist, in zwei entgegengesetzte Richtungen, wie durch den Doppelpfeil dargestellt, bewegt werden. In dem vorliegenden Fall bewirkt eine Aufwärtsbewegung die Entriegelung der Schiene 3 von der Schiene 4 und eine Abwärtsbewegung eine entsprechende Verriegelung der Schiene 3 relativ zu der Schiene 4. Der Bolzen 5 ist in dem vorliegenden Fall, gemäß einer bevorzugten Ausführungsform, durch das Federmittel 8 in seine verriegelnde Stellung vorgespannt. Longitudinal position of the vehicle seat is found, the upper rail 3 is locked relative to the lower rail to prevent an automatic adjustment of the vehicle seat. For this purpose, a locking device 7 is provided, which has a locking means 5, here a bolt, which cooperates in its locking position shown here, with a recess 6 which is provided in the rail 4, locking, so that the rail 3 is not automatic can adjust to the rail 4. The bolt 5 can be moved by means of the handle 1, which in the present case is rotatable about a bearing 2, in two opposite directions, as represented by the double arrow. In the present case, an upward movement causes the rail 3 to be unlocked from the rail 4 and a downward movement causes a corresponding locking of the rail 3 relative to the rail 4. The bolt 5 in the present case, in a preferred embodiment, is provided by the spring means 8 in FIG its locking position biased.
Vorzugsweise weist die Verriegelungsvorrichtung eine Mehrzahl von Arretiermitteln, hier Bolzen 5, auf. Weiterhin bevorzugt ist das Arretierungsmittel, hier der Bolzen 5, mindestens abschnittsweise konisch 5.1 vorgesehen. Entsprechend ist auch die Ausnehmung, die mit dem konischen Teil 5.1 des Arretiermittels zusammenwirkt, mit einer korrespondierenden konischen Schräge versehen. Der Bolzen 5 ist vorzugsweise aus Metall, insbesondere aus Stahl, vorzugsweise aus gehärtetem Stahl, gefertigt. Insbesondere nach dem Härten kann der Bolzen eine Zunder- und/oder Korrosionsschicht aufweisen. Die Schienen 3, 4 sind vorzugsweise ebenfalls aus Metall gefertigt, das lokal gehärtet sein kann. Vorzugsweise ist die Schiene 3, 4 aus Metallblech, beispielsweise Stahl- oder Aluminiumblech, gefertigt. The locking device preferably has a plurality of locking means, here bolts 5. Further preferred is the locking means, here the bolt 5, at least Sectionally conical 5.1 provided. Accordingly, the recess which cooperates with the conical part 5.1 of the locking means, provided with a corresponding conical slope. The bolt 5 is preferably made of metal, in particular of steel, preferably made of hardened steel. In particular, after curing, the bolt may have a scale and / or corrosion layer. The rails 3, 4 are preferably also made of metal, which may be locally hardened. Preferably, the rail 3, 4 made of sheet metal, such as steel or aluminum sheet, made.
Wie insbesondere Figur 2 entnommen werden kann, ist der Querschnitt des Arretiermittels 5 in dem vorliegenden Fall als Polygon, hier achteckig vorgesehen. Dementsprechend ist der Querschnitt der Ausnehmungen 6, die hier in der unteren Schiene vorgesehen ist, ebenfalls als Polygon, hier achteckig, ausgebildet. Der Fachmann versteht, dass die Arretiermittel aber auch jeden anderen Querschnitt, beispielsweise rund, viereckig oder quadratisch oder elliptisch, aufweisen können. Polygone oder Ellipsen haben jedoch den Vorteil, dass sie nicht nur Scherkräfte sondern auch Drehmomente übertragen können. Wie weiterhin Figur 2 entnommen werden kann, weist die Unterschiene eine Vielzahl von Ausnehmungen 6 auf, die vorzugsweise äquidistant zueinander angeordnet sind und sich besonders bevorzugt über die gesamte Länge der Unterschiene erstrecken, um einen möglichst großen As can be seen in particular Figure 2, the cross section of the locking means 5 in the present case as a polygon, here octagonal provided. Accordingly, the cross section of the recesses 6, which is provided here in the lower rail, also as a polygon, here octagonal, formed. The skilled person understands that the locking means but also any other cross-section, for example, round, square or square or elliptical, may have. However, polygons or ellipses have the advantage that they can transmit not only shear forces but also torques. 2, the lower rail has a multiplicity of recesses 6, which are preferably arranged equidistant from one another and, particularly preferably, extend over the entire length of the lower rail in order to maximize the size of the lower rail
Einstellbereich für die Längsverstellung zu erzielen. Jedes Arretiermittel 5 wirkt in dem vorliegenden Fall mit einer Ausnehmung 6 verriegelnd zusammen. Adjustment range for the longitudinal adjustment to achieve. Each locking means 5 acts in the present case with a recess 6 locking together.
Erfindungsgemäß ist nun vorgesehen, dass die Oberfläche des Arretierungsmittels und/oder die Oberfläche der Ausnehmung, insbesondere nachdem zumindest eine dieser Oberflächen gehärtet worden ist, vorzugsweise mechanisch, beispielsweise durch Kugel- und/oder Sandstrahlen, behandelt wird. Durch diese Behandlung wird beispielsweise eine eventuell vorhandene Korrosions- und/oder Zunderschicht entfernt. Anschließend wird zumindest eine dieser vorbehandelten Oberflächen mit einer reibwerterhöhenden Beschichtung versehen, die bewirkt, dass der Reibwert zwischen dem Arretiermittel und der Ausnehmung im According to the invention it is now provided that the surface of the locking means and / or the surface of the recess, in particular after at least one of these surfaces has been cured, preferably mechanically, for example by shot blasting and / or sandblasting is treated. By this treatment, for example, any existing corrosion and / or scale layer is removed. Subsequently, at least one of these pretreated surfaces is provided with a friction-increasing coating, which causes the coefficient of friction between the locking means and the recess in the
Vergleich zu einer Metall/Metall-Paarung, von der gegebenenfalls mindestens eine Comparison to a metal / metal pairing, of which optionally at least one
Oberfläche eine Korrosions- und/oder Zunderschicht aufweist, erhöht ist. In dem Surface has a corrosion and / or scale layer is increased. By doing
vorliegenden Fall ist diese reibwerterhöhende Beschichtung eine DeltaSeal RZ- Beschichtung. Das Beschichtungsmaterial kann auf jede beliebige, dem Fachmann geläufige Weise auf das Arretiermittel und/oder die Oberfläche der Ausnehmung aufgetragen werden. Beispielsweise kann es aufgesprüht, mit einem Pinsel aufgetragen oder durch Eintauchen aufgebracht werden. Bezugszeichenliste: In this case, this friction increasing coating is a DeltaSeal RZ coating. The coating material may be applied to the locking means and / or the surface of the recess in any manner known to those skilled in the art. For example, it can be sprayed on, applied with a brush or applied by dipping. LIST OF REFERENCE NUMBERS
1 Betätigung, Hebel 1 operation, lever
2 Lager  2 bearings
3 erste Schiene, obere Schiene 3 first rail, upper rail
4 zweite Schiene, untere Schiene4 second rail, lower rail
5 Arretiermittel, Bolzen 5 locking means, bolts
5.1 konischer Abschnitt 5.1 conical section
6 Ausnehmung  6 recess
7 Verriegelungsvorrichtung 7 locking device
8 Federmittel 8 spring means

Claims

Patentansprüche: claims:
1 . Verriegelungsvorrichtung (7) für die Längsverstellung eines Fahrzeugsitzes, mit der eine erste Schiene (3) relativ zu einer zweiten Schiene (4) arretierbar ist und die ein Arretiermittel (5) aufweist, das mit der einen Schiene (3, 4) direkt oder indirekt verbunden ist und das zur Arretierung in eine Ausnehmung (6) in der anderen Schiene (3, 4) reversibel eingreift, wobei die Oberfläche des Arretiermittels ( 5) und/oder der Ausnehmung (6), insbesondere mechanisch, bearbeitet und mit einer reibwerterhöhenden Beschichtung beschichtet ist. 1 . Locking device (7) for the longitudinal adjustment of a vehicle seat, with which a first rail (3) relative to a second rail (4) can be locked and which has a locking means (5) with the one rail (3, 4) directly or indirectly is connected and reversibly engages for locking in a recess (6) in the other rail (3, 4), wherein the surface of the locking means (5) and / or the recess (6), in particular mechanically processed and with a Reibwerterhöhenden coating is coated.
2. Verriegelungsvorrichtung (7) nach Anspruch 1 , dadurch gekennzeichnet, dass es mehrere Arretiermittel (5) aufweist, die jeweils mit einer, vorzugsweise separaten Ausnehmung (6) zusammenwirken. 2. Locking device (7) according to claim 1, characterized in that it comprises a plurality of locking means (5), each cooperating with a preferably separate recess (6).
3. Verriegelungsvorrichtung (7) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Arretiermittel (5) ein Bolzen ist. 3. Locking device (7) according to claim 1 or 2, characterized in that the locking means (5) is a bolt.
4. Verriegelungsvorrichtung (7) nach Anspruch 3, dadurch gekennzeichnet, dass der Bolzen zumindest abschnittsweise konisch ist. 4. locking device (7) according to claim 3, characterized in that the bolt is at least partially conical.
5. Verriegelungsvorrichtung (7) nach Anspruch 4, dadurch gekennzeichnet, dass die Ausnehmung konisch vorgesehen ist, wobei der Winkel des Konus der Ausnehmung vorzugsweise dem Winkel des konischen Abschnitts des Bolzens entspricht. 5. Locking device (7) according to claim 4, characterized in that the recess is provided conically, wherein the angle of the cone of the recess preferably corresponds to the angle of the conical portion of the bolt.
6. Verriegelungsvorrichtung (7) nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, dass das Arretiermittel (5) aus Metall, insbesondere gehärtetem Metall vorgesehen ist. 6. Locking device (7) according to one of the preceding claims, characterized in that the locking means (5) made of metal, in particular hardened metal is provided.
7. Verriegeungsvorrichtung (7) nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, dass eine Korrosions- oder Zunderschicht, die sich z. B. beim Härten des Arretiermittels bildet, zumindest teilweise entfernt ist. 7. Verriegeungsvorrichtung (7) according to one of the preceding claims, characterized in that a corrosion or scale layer, the z. B. forms when curing the locking means, at least partially removed.
8. Verriegerungsvorrichtung (7) nach einem der voranstehenden Ansprüchen oder dem Oberbegriff von Patentanspruch 1 , dadurch gekennzeichnet, dass der Querschnitt des Arretiermittels (5) und der Ausnehmung (6) ein Polygon ist. 8. Verriegerungsvorrichtung (7) according to one of the preceding claims or the preamble of claim 1, characterized in that the cross section of the locking means (5) and the recess (6) is a polygon.
9. Fahrzeugsitz, aufweisend die Verriegelungsvorrichtung für die Längsverstellung des Fahrzeugsitzes gemäß einem der voranstehenden Ansprüche. 9. vehicle seat, comprising the locking device for the longitudinal adjustment of the vehicle seat according to one of the preceding claims.
10. Verfahren zur Herstellung der Verriegelungsvorrichtung, bei dem das Arretiermittel und/oder die Ausnehmung, vorzugsweise nach deren Härtung, insbesondere mechanisch, bearbeitet wird, insbesondere um eine vorhandene Zunder- und/oder Korrosionsschicht zumindest teilweise zu entfernen und bei dem die so behandelte Oberfläche anschließend zumindest abschnittsweise mit einer reibwerterhöhenden Beschichtung versehen wird. 10. A method for producing the locking device, wherein the locking means and / or the recess, preferably after the curing, in particular mechanically, is processed, in particular to remove an existing scale and / or corrosion layer at least partially and in which the surface thus treated is then provided at least in sections with a friction-increasing coating.
EP14702861.7A 2013-02-07 2014-02-06 Locking device Withdrawn EP2953813A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102013002066 2013-02-07
DE102013008871.2A DE102013008871B4 (en) 2013-02-07 2013-05-27 Procedure, locking device and vehicle seat
PCT/EP2014/052278 WO2014122192A1 (en) 2013-02-07 2014-02-06 Locking device

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EP2953813A1 true EP2953813A1 (en) 2015-12-16

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EP (1) EP2953813A1 (en)
CN (1) CN104968524A (en)
DE (1) DE102013008871B4 (en)
WO (1) WO2014122192A1 (en)

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CN112351909B (en) 2018-06-29 2022-09-27 恺博座椅机械部件有限公司 Longitudinal adjuster and vehicle seat
DE102018122094A1 (en) * 2018-09-11 2020-03-12 Adient Engineering and IP GmbH LENGTH ADJUSTER AND VEHICLE SEAT
DE102018127774A1 (en) * 2018-11-07 2020-05-07 Bayerische Motoren Werke Aktiengesellschaft Component and method for producing a component
DE102019121296B4 (en) 2019-03-21 2022-03-17 Keiper Seating Mechanisms Co., Ltd. RELEASE LEVER FOR RELEASING AT LEAST ONE LOCKING DEVICE OF A VEHICLE SEAT, LONGITUDINAL ADJUSTER FOR A VEHICLE SEAT, AND VEHICLE SEAT

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WO2014122192A1 (en) 2014-08-14
DE102013008871A1 (en) 2014-08-07
CN104968524A (en) 2015-10-07
US20150360588A1 (en) 2015-12-17

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