[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

EP0924591A2 - Pedal - Google Patents

Pedal Download PDF

Info

Publication number
EP0924591A2
EP0924591A2 EP98122081A EP98122081A EP0924591A2 EP 0924591 A2 EP0924591 A2 EP 0924591A2 EP 98122081 A EP98122081 A EP 98122081A EP 98122081 A EP98122081 A EP 98122081A EP 0924591 A2 EP0924591 A2 EP 0924591A2
Authority
EP
European Patent Office
Prior art keywords
pedal
friction
friction body
spring element
return spring
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Withdrawn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
EP98122081A
Other languages
German (de)
French (fr)
Other versions
EP0924591A3 (en
Inventor
Peter Kohlen
Christian Reimann
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.)
Siemens AG
Original Assignee
Mannesmann VDO AG
Siemens AG
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 Mannesmann VDO AG, Siemens AG filed Critical Mannesmann VDO AG
Publication of EP0924591A2 publication Critical patent/EP0924591A2/en
Publication of EP0924591A3 publication Critical patent/EP0924591A3/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/30—Controlling members actuated by foot
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
    • G05G5/03—Means for enhancing the operator's awareness of arrival of the controlling member at a command or datum position; Providing feel, e.g. means for creating a counterforce
    • 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
    • Y10T74/20528—Foot operated
    • 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
    • Y10T74/20528—Foot operated
    • Y10T74/20534—Accelerator
    • 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
    • Y10T74/20888—Pedals

Definitions

  • the invention relates to a pedal, in particular for a Vehicle, with one in a holding part around one Swivel axis pivoted pedal arm, which deflectable by foot force by means of a pedal plate and from at least one return spring element into a Basic position is pivotable, and with a one Friction body and a friction damper comprising a friction surface to create a damping of the movement of the pedal arm, the friction body with the pedal arm connected and against the friction surface by means of the return spring element is biased.
  • the pedal arm usually carries a segment of a circle Friction body, which against a free end of a two-armed lever arranged friction surface. At the same time the pedal arm is by means of a compression spring connected to the other end of the lever. This will the contact pressure between the friction body and the friction surface increasing deflection of the pedal arm larger, so that Attenuation is increased.
  • the pedal required by the described construction a large number of components, which are complex to manufacture and assemble, whereby the space requirement of the arrangement is relatively large at the same time is.
  • the invention is based on the problem of a pedal type mentioned in the beginning so that it is as possible is simple and at the same time low Owns space.
  • the friction body is arranged eccentrically with respect to the pivot axis is. This will increase the friction large deflection around the pivot axis not by the Return spring element, but mainly by the eccentricity of the friction body.
  • the friction body allows almost any shape and one with it connected any movement characteristics of the pedal arm. At the same time it is also possible to move the pedal opposite restoring force due to the shape to design the friction body so that an adaptation to a desired characteristic is possible without this a special return spring element is required.
  • the invention also allows the use of a conventional one Return spring element. Is particularly compact executed the pedal according to the present invention, if the return spring element as a leg spring or Leaf spring is executed. This advantageously eliminates Way the otherwise required lever so that the Friction body directly against the return spring element is directed.
  • the invention is particularly advantageously developed, if the friction body is designed as a cam. This allows the operator to apply Pedal operating force optimally a desired Adjust characteristic.
  • areas the deflection of the pedal arm with a greatly increased Resistance and low resistance areas are infinitely variable combine. For example, progressive areas are shown in which the driver's performance limits of the drive as a greatly increased resistance be reported back.
  • the invention is particularly economical, when the return spring element on its the friction body inclined side is designed as a friction surface.
  • the return spring element on its the friction body inclined side is designed as a friction surface.
  • there is no work step during assembly which makes this version particularly economical.
  • FIG. 1 shows a pedal 1 according to the invention in one lateral, partially sectioned illustration.
  • a pedal arm having a pedal plate 2 3, which is pivotally mounted about a pivot axis 4 and with two friction bodies 5 and 6 designed as cams connected is.
  • the friction bodies 5 and 6 each have a surface section 7, 8, which against a Legs 9, 10 designed as a leg spring 11 Return spring element 12 is present.
  • the leg spring 11 encloses an axis 13, which the fixation of the Leg spring 11 is used.
  • the course of the characteristic curve of the pedal actuation force is essentially from the contours of the Surface sections 7 and 8 of the friction body 5 and 6 determined.
  • FIG. 2 shows a pedal 14 that is slightly modified compared to the pedal 1 shown in FIG. 1.
  • the pedal arm 3, which is only shown in sections, is connected to a one-piece friction body 15.
  • the surface sections 16, 17 of the friction body 15 which are inclined towards the two legs 9, 10 of the leg spring 11 each lie against a section of the legs 9, 10 designed as a friction surface 18, 19.
  • the pedal actuation force F P which is applied by the operator to the pedal arm 3, and the spring force F F , which are respectively applied to the friction body 15 by the two legs 9, 10 of the leg spring 11, are shown schematically in this figure .
  • it is particularly advantageous that the lines of action of the spring force F F respectively applied by the two legs 9, 10 are approximately aligned.
  • the lever ratio which is determined by the distance between the axis 13 and the contact surface between the respective legs 9, 10 and the friction body 15, remains unchanged even with different deflections of the pedal arm 3 about the pivot axis 4. Very little forces therefore act on the axis 13. At the same time, the required pedal actuation force F P can be easily defined as a function of the deflection of the pedal arm 3.
  • FIG. 3 shows a further embodiment of a pedal 20 a conventional return spring element designed as a compression spring 21.
  • the pivotable about the pivot axis 4 and only partially Pedal arm 3 shown a lever arm 22, on the free end of a friction body 23 is arranged.
  • This The friction body 23 lies against a friction surface 24 an axis 25 pivotable lever 26.
  • On that of the axis 25 opposite free end of the lever 26 is that arranged as a compression spring return spring element 21, which is the friction surface arranged on the lever 26 24 presses against the friction body 23.
  • a lever 26 opposite end of the spring element 21 is at one Wall 27 of a pedal housing, not shown supported.
  • the Friction body 23 along the friction surface 24 in the direction of Axis 25 of the lever 26, the lever ratio and thus counteracting a further deflection Force changes.
  • the return spring element 21 itself any, in particular progressive spring characteristic or means for presetting possess the spring force.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Control Devices (AREA)
  • Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)

Abstract

The foot pedal (2) is pivot (4) mounted and has a pair of cam elements (5,6) that engage the arms of a torsion spring (11). As the pedal is depressed the arms are spread and hysteris friction between the surfaces eliminate motion fluctuations. When foot pressure is removed the spring forces are applied to the cams to return the unit to the original position.

Description

Die Erfindung betrifft ein Pedal, insbesondere für ein Fahrzeug, mit einem in einem Halteteil um eine Schwenkachse schwenkbar gelagerten Pedalarm, welcher mittels einer Pedalplatte durch Fußkraft auslenkbar und von zumindest einem Rückstellfederelement in eine Grundstellung zurückschwenkbar ist, und mit einem einen Reibkörper und eine Reibfläche umfassenden Reibungsdämpfer zur Erzeugung einer Dämpfung der Bewegung des Pedalarmes, wobei der Reibkörper mit dem Pedalarm verbunden und gegen die Reibfläche mittels des Rückstellfederelementes vorgespannt ist.The invention relates to a pedal, in particular for a Vehicle, with one in a holding part around one Swivel axis pivoted pedal arm, which deflectable by foot force by means of a pedal plate and from at least one return spring element into a Basic position is pivotable, and with a one Friction body and a friction damper comprising a friction surface to create a damping of the movement of the pedal arm, the friction body with the pedal arm connected and against the friction surface by means of the return spring element is biased.

Solche Pedale werden heute vielfach als Fahrpedal bei Kraftfahrzeugen eingesetzt und sind damit bekannt. Bei einer Betätigung des Pedalarmes gleitet der Reibkörper über die Reibfläche und verhindert damit, dass geringfügige Veränderungen der Fußkraft auf den Pedalarm, beispielsweise unbeabsichtigt verursacht durch Rückwirkungen der Fahrzeugbewegung, zu einer Veränderung der Pedalstellung führen. Hierbei ist die im Reibungsdämpfer erzeugte Reibung in Betätigungsrichtung des Pedalarmes meist größer als in entgegengesetzter Richtung. Der Reibungsdämpfer hat hierdurch eine Hysterese, die ein zuverlässiges Zurückschwenken des Pedalarmes in eine Grundstellung sicherstellt.Such pedals are often used today as accelerators Motor vehicles used and are therefore known. At actuation of the pedal arm slides the friction body over the friction surface and thus prevents minor Changes in foot force on the pedal arm, for example unintentionally caused by repercussions the vehicle movement, to a change in the pedal position to lead. Here is the one generated in the friction damper Friction in the direction of actuation of the pedal arm is usually greater than in the opposite direction. The friction damper this has a hysteresis that is reliable Swiveling the pedal arm back into a basic position ensures.

Der Pedalarm trägt zumeist einen kreissegmentförmigen Reibkörper, welcher gegen eine an einem freien Ende eines zweiarmigen Hebels angeordnete Reibfläche anliegt. Gleichzeitig ist der Pedalarm mittels einer Druckfeder mit dem anderen Ende des Hebels verbunden. Dadurch wird die Anpresskraft zwischen Reibkörper und Reibfläche bei zunehmender Auslenkung des Pedalarmes größer, so dass die Dämpfung verstärkt wird. Das Pedal erfordert durch die beschriebene Konstruktion eine Vielzahl von Bauteilen, die aufwendig zu fertigen und zu montieren sind, wobei der Platzbedarf der Anordnung gleichzeitig relativ groß ist.The pedal arm usually carries a segment of a circle Friction body, which against a free end of a two-armed lever arranged friction surface. At the same time the pedal arm is by means of a compression spring connected to the other end of the lever. This will the contact pressure between the friction body and the friction surface increasing deflection of the pedal arm larger, so that Attenuation is increased. The pedal required by the described construction a large number of components, which are complex to manufacture and assemble, whereby the space requirement of the arrangement is relatively large at the same time is.

Der Erfindung liegt das Problem zugrunde, ein Pedal der eingangs genannten Art so zu gestalten, dass es möglichst einfach aufgebaut ist und gleichzeitig einen geringen Platzbedarf besitzt.The invention is based on the problem of a pedal type mentioned in the beginning so that it is as possible is simple and at the same time low Owns space.

Dieses Problem wird erfindungsgemäß dadurch gelöst, dass der Reibkörper gegenüber der Schwenkachse exzentrisch angeordnet ist. Hierdurch wird die zunehmende Reibung bei großer Auslenkung um die Schwenkachse nicht durch das Rückstellfederelement, sondern vor allem durch die Exzentrizität des Reibkörpers bestimmt. Der Reibkörper gestattet hierbei nahezu beliebige Formgebungen und eine damit verbundene beliebige Bewegungscharakteristik des Pedalarmes. Gleichzeitig ist es auch möglich, die der Pedalbewegung entgegengesetzte Rückstellkraft durch die Formgebung des Reibkörpers so zu gestalten, dass eine Anpassung an eine gewünschte Kennlinie möglich wird, ohne dass hierzu ein spezielles Rückstellfederelement erforderlich ist.This problem is solved according to the invention in that the friction body is arranged eccentrically with respect to the pivot axis is. This will increase the friction large deflection around the pivot axis not by the Return spring element, but mainly by the eccentricity of the friction body. The friction body allows almost any shape and one with it connected any movement characteristics of the pedal arm. At the same time it is also possible to move the pedal opposite restoring force due to the shape to design the friction body so that an adaptation to a desired characteristic is possible without this a special return spring element is required.

Die Erfindung gestattet auch die Verwendung eines herkömmlichen Rückstellfederelementes. Besonders kompakt ist das Pedal gemäß der vorliegenden Erfindung ausgeführt, wenn das Rückstellfederelement als Schenkelfeder oder Blattfeder ausgeführt ist. Hierdurch entfällt in vorteilhafter Weise der sonst erforderliche Hebel, so dass der Reibkörper unmittelbar gegen das Rückstellfederelement gerichtet ist.The invention also allows the use of a conventional one Return spring element. Is particularly compact executed the pedal according to the present invention, if the return spring element as a leg spring or Leaf spring is executed. This advantageously eliminates Way the otherwise required lever so that the Friction body directly against the return spring element is directed.

Besonders vorteilhaft ist die Erfindung weitergebildet, wenn der Reibkörper als Kurvenscheibe ausgeführt ist. Hierdurch lässt sich die durch den Bediener aufzubringende Pedalbetätigungskraft optimal einer gewünschten Charakteristik anpassen. Insbesondere lassen sich Bereiche der Auslenkung des Pedalarmes mit einem stark erhöhten Widerstand und Bereiche mit niedrigem Widerstand stufenlos kombinieren. Beispielsweise können progressive Bereiche dargestellt werden, in denen dem Fahrer die Leistungsgrenzen des Antriebs als stark erhöhter Widerstand zurückgemeldet werden.The invention is particularly advantageously developed, if the friction body is designed as a cam. This allows the operator to apply Pedal operating force optimally a desired Adjust characteristic. In particular, areas the deflection of the pedal arm with a greatly increased Resistance and low resistance areas are infinitely variable combine. For example, progressive areas are shown in which the driver's performance limits of the drive as a greatly increased resistance be reported back.

Eine weitere vorteilhafte Ausführungsform der Erfindung ist gegeben, wenn der Reibkörper punktsymmetrisch ausgebildet und zwischen den Schenkeln einer Schenkelfeder eingespannt ist. Hierdurch sind die Federkräfte, die jeweils von den beiden Schenkeln der Schenkelfeder auf den Reibkörper aufbracht werden, in etwa gleich groß und besitzen in etwa einander entgegengesetzte Wirkrichtungen. Auf die Lagerung der Schenkelfeder wirken daher nur sehr geringe Kräfte, wodurch das Pedal besonders einfach ausgeführt werden kann. Another advantageous embodiment of the invention is given if the friction body is of point symmetry and between the legs of a leg spring is clamped. As a result, the spring forces, each from the two legs of the leg spring to the Friction body are applied, about the same size and have approximately opposite directions of action. Therefore, the bearing of the leg spring only has a very great effect low forces, which makes the pedal particularly simple can be.

Die Erfindung ist besonders wirtschaftlich ausgeführt, wenn das Rückstellfederelement auf seiner dem Reibkörper zugeneigten Seite als Reibfläche ausgebildet ist. Hierdurch entfällt das umständliche Anbringen einer separaten Reibfläche an dem elastischen Rückstellfederelement. Gleichzeitig entfällt ein Arbeitsgang bei der Montage, wodurch diese Ausführung besonders wirtschaftlich wird.The invention is particularly economical, when the return spring element on its the friction body inclined side is designed as a friction surface. Hereby there is no need to laboriously attach a separate one Friction surface on the elastic return spring element. At the same time there is no work step during assembly, which makes this version particularly economical.

Eine besonders einfache Weiterbildung der Erfindung ist gegeben, wenn der Reibkörper ein Exzenternocken ist. Die Ausführung erfordert lediglich einen äußerst geringen fertigungstechnischen Aufwand und erleichtert die Umstellung herkömmlicher Pedale entsprechend der vorliegenden Erfindung. Gleichzeitig sind bei dieser Ausführungsform besonders platzsparende Gestaltungen möglich.A particularly simple development of the invention is given if the friction body is an eccentric cam. The Execution requires only an extremely small manufacturing effort and facilitates the changeover conventional pedals according to the present Invention. At the same time, in this embodiment particularly space-saving designs possible.

Eine weitere vorteilhafte Ausführungsform der Erfindung ist gegeben, wenn das Rückstellfederelement eine progressive Federkennlinie hat. Hierdurch kann die Wirkung der exzentrischen Anordnung des Reibkörpers weiter unterstützt werden. Gleichzeitig kann eine besonders feinfühlige und exakte Abstimmung an eine vorgegebene Bewegungscharakteristik vorgenommen werden.Another advantageous embodiment of the invention is given when the return spring element is a progressive Has spring characteristic. This can have the effect of eccentric arrangement of the friction body is further supported become. At the same time, a particularly sensitive and exact adjustment to a given movement characteristic be made.

Die Erfindung lässt zahlreiche Ausführungsformen zu. Zur weiteren Verdeutlichung ihres Grundprinzips sind drei davon in der Zeichnung dargestellt und werden nachfolgend beschrieben. Diese zeigt in

Fig. 1
eine schematische Darstellung eines erfindungsgemäßen Pedals mit zwei Reibkörpern,
Fig. 2
eine schematische Darstellung eines erfindungsgemäßen Pedals mit nur einem Reibkörper,
Fig. 3
eine schematische Darstellung eines weiteren erfindungsgemäßen Pedals.
The invention permits numerous embodiments. To further clarify its basic principle, three of them are shown in the drawing and are described below. This shows in
Fig. 1
1 shows a schematic representation of a pedal according to the invention with two friction bodies,
Fig. 2
1 shows a schematic representation of a pedal according to the invention with only one friction body,
Fig. 3
is a schematic representation of a further pedal according to the invention.

Die Figur 1 zeigt ein erfindungsgemäßes Pedal 1 in einer seitlichen, teilweise geschnittenen Darstellung. Zu erkennen ist ein eine Pedalplatte 2 aufweisender Pedalarm 3, welcher um eine Schwenkachse 4 schwenkbar gelagert und mit zwei als Nocken ausgebildeten Reibkörpern 5 und 6 verbunden ist. Die Reibkörper 5 und 6 besitzen jeweils einen Oberflächenabschnitt 7, 8, welcher gegen einen Schenkel 9, 10 eines als Schenkelfeder 11 ausgeführten Rückstellfederelementes 12 anliegt. Die Schenkelfeder 11 umschließt eine Achse 13, welche der Fixierung der Schenkelfeder 11 dient. Bei Betätigung des Pedalarmes 3 mittels der Pedalplatte 2 spreizen die Reibkörper 5 und 6 die beiden Schenkel 9 und 10 gegen den Widerstand der Schenkelfeder 11. Der Verlauf der Kennlinie der Pedalbetätigungskraft wird dabei wesentlich von den Konturen der Oberflächenabschnitte 7 und 8 der Reibkörper 5 und 6 bestimmt. Hierbei lassen sich in einfacher Weise sowohl lineare als auch progressive und degressive Kennlinienverläufe der Pedalbetätigungskraft erreichen. Weiterhin ist die Reibungsdämpfung beim Niederdrücken des Pedalarmes 3 größer als beim Loslassen, wodurch eine Hysterese erreicht wird. Durch die Hysterese führen kleinere, möglicherweise ungewollte Veränderungen der auf die Pedalplatte 2 ausgeübten Fußkraft nicht zu einem Verschwenken des Pedalarmes und damit zu keiner Stellbewegung.FIG. 1 shows a pedal 1 according to the invention in one lateral, partially sectioned illustration. To recognize is a pedal arm having a pedal plate 2 3, which is pivotally mounted about a pivot axis 4 and with two friction bodies 5 and 6 designed as cams connected is. The friction bodies 5 and 6 each have a surface section 7, 8, which against a Legs 9, 10 designed as a leg spring 11 Return spring element 12 is present. The leg spring 11 encloses an axis 13, which the fixation of the Leg spring 11 is used. When operating the pedal arm 3 the friction bodies 5 and 6 spread by means of the pedal plate 2 the two legs 9 and 10 against the resistance of the Leg spring 11. The course of the characteristic curve of the pedal actuation force is essentially from the contours of the Surface sections 7 and 8 of the friction body 5 and 6 determined. Here, both linear and simple as well as progressive and degressive characteristic curves the pedal operating force. Still is the friction damping when depressing the pedal arm 3 larger than when released, which results in hysteresis becomes. Smaller, possibly, lead through the hysteresis unwanted changes to the pedal plate 2 exerted foot force not to pivot of the pedal arm and therefore no adjustment movement.

Figur 2 zeigt ein gegenüber dem in Figur 1 dargestellten Pedal 1 leicht abgewandeltes Pedal 14. Der lediglich abschnittsweise dargestellte Pedalarm 3 ist hierbei mit einem einteiligen Reibkörper 15 verbunden. Die den beiden Schenkeln 9, 10 der Schenkelfeder 11 zugeneigten Oberflächenabschnitte 16, 17 des Reibkörpers 15 liegen hierbei jeweils gegen einen als Reibfläche 18, 19 ausgeführten Abschnitt der Schenkel 9, 10 an. Zum besseren Verständnis sind bei dieser Figur die Pedalbetätigungskraft FP , welche durch den Bediener auf den Pedalarm 3 aufgebracht wird, und die Federkraft FF , welche jeweils von den beiden Schenkeln 9, 10 der Schenkelfeder 11 auf den Reibkörper 15 aufgebracht wird, schematisch eingezeichnet. Bei dieser Ausführungsform der Erfindung wirkt sich vor allem vorteilhaft aus, dass die Wirklinien der durch die beiden Schenkel 9, 10 jeweils aufgebrachten Federkraft FF in etwa fluchten. Das Hebelverhältnis, welches jeweils durch den Abstand zwischen der Achse 13 und der Kontaktfläche zwischen dem jeweiligen Schenkel 9, 10 und dem Reibkörper 15 bestimmt ist, bleibt auch bei unterschiedlichen Auslenkungen des Pedalarmes 3 um die Schwenkachse 4 unverändert. Auf die Achse 13 wirken daher nur sehr geringe Kräfte. Gleichzeitig lässt sich die erforderliche Pedalbetätigungskraft FP in Abhängigkeit von der Auslenkung des Pedalarms 3 leicht definieren.FIG. 2 shows a pedal 14 that is slightly modified compared to the pedal 1 shown in FIG. 1. The pedal arm 3, which is only shown in sections, is connected to a one-piece friction body 15. The surface sections 16, 17 of the friction body 15 which are inclined towards the two legs 9, 10 of the leg spring 11 each lie against a section of the legs 9, 10 designed as a friction surface 18, 19. For a better understanding, the pedal actuation force F P , which is applied by the operator to the pedal arm 3, and the spring force F F , which are respectively applied to the friction body 15 by the two legs 9, 10 of the leg spring 11, are shown schematically in this figure . In this embodiment of the invention, it is particularly advantageous that the lines of action of the spring force F F respectively applied by the two legs 9, 10 are approximately aligned. The lever ratio, which is determined by the distance between the axis 13 and the contact surface between the respective legs 9, 10 and the friction body 15, remains unchanged even with different deflections of the pedal arm 3 about the pivot axis 4. Very little forces therefore act on the axis 13. At the same time, the required pedal actuation force F P can be easily defined as a function of the deflection of the pedal arm 3.

Figur 3 zeigt eine weitere Ausführung eines Pedals 20 mit einem konventionellen, als Druckfeder ausgeführten Rückstellfederelement 21. Bei dieser Ausführungsform besitzt der um die Schwenkachse 4 schwenkbare und nur teilweise dargestellte Pedalarm 3 einen Hebelarm 22, an dessen freien Ende ein Reibkörper 23 angeordnet ist. Dieser Reibkörper 23 liegt gegen eine Reibfläche 24 eines um eine Achse 25 schwenkbaren Hebels 26 an. An dem der Achse 25 gegenüberliegenden freien Ende des Hebels 26 ist das als Druckfeder ausgeführte Rückstellfederelement 21 angeordnet, welches die an dem Hebel 26 angeordnete Reibfläche 24 gegen den Reibkörper 23 presst. Ein dem Hebel 26 abgewandtes Ende des Federelements 21 ist an einer Wandung 27 eines nicht weiter dargestellten Pedalgehäuses abgestützt. Bei Betätigung des Pedalarmes 3 reibt der Reibkörper 23 entlang der Reibfläche 24 in Richtung der Achse 25 des Hebels 26, wobei sich das Hebelverhältnis und damit die einer weiteren Auslenkung entgegenwirkende Kraft ändert. Dies führt zu einer mit steigender Auslenkung des Pedalarmes 3 zunehmenden Pedalbetätigungskraft, wodurch ein im wesentlichen progressiver Verlauf gegeben ist. Zusätzlich kann das Rückstellfederelement 21 selbst eine beliebige, insbesondere progressive Federkennlinie oder Mittel zur Voreinstellung der Federkraft besitzen.FIG. 3 shows a further embodiment of a pedal 20 a conventional return spring element designed as a compression spring 21. In this embodiment the pivotable about the pivot axis 4 and only partially Pedal arm 3 shown a lever arm 22, on the free end of a friction body 23 is arranged. This The friction body 23 lies against a friction surface 24 an axis 25 pivotable lever 26. On that of the axis 25 opposite free end of the lever 26 is that arranged as a compression spring return spring element 21, which is the friction surface arranged on the lever 26 24 presses against the friction body 23. A lever 26 opposite end of the spring element 21 is at one Wall 27 of a pedal housing, not shown supported. When the pedal arm 3 is actuated, the Friction body 23 along the friction surface 24 in the direction of Axis 25 of the lever 26, the lever ratio and thus counteracting a further deflection Force changes. This leads to an increasing Deflection of the pedal arm 3 increasing pedal actuation force, making an essentially progressive Course is given. In addition, the return spring element 21 itself any, in particular progressive spring characteristic or means for presetting possess the spring force.

Claims (7)

Pedal, insbesondere für ein Fahrzeug, mit einem in einem Halteteil um eine Schwenkachse schwenkbar gelagerten Pedalarm, welcher mittels einer Pedalplatte durch Fußkraft auslenkbar und von zumindest einem Rückstellfederelement in eine Grundstellung zurückschwenkbar ist, und mit einem einen Reibkörper und eine Reibfläche umfassenden Reibungsdämpfer zur Erzeugung einer Dämpfung der Bewegung des Pedalarmes, wobei der Reibkörper mit dem Pedalarm verbunden ist und gegen die Reibfläche mittels des Rückstellfederelementes vorgespannt ist, dadurch gekennzeichnet, dass der Reibkörper (5, 15, 23) gegenüber der Schwenkachse (4) exzentrisch angeordnet ist.Pedal, in particular for a vehicle, with a pedal arm pivotally mounted in a holding part about a pivot axis, which can be deflected by foot force by means of a pedal plate and pivoted back into a basic position by at least one return spring element, and with a friction damper comprising a friction body and a friction surface for generating a Damping the movement of the pedal arm, the friction body being connected to the pedal arm and being biased against the friction surface by means of the return spring element, characterized in that the friction body (5, 15, 23) is arranged eccentrically with respect to the pivot axis (4). Pedal nach Anspruch 1, dadurch gekennzeichnet, dass das Rückstellfederelement (12) als Schenkelfeder (11) oder Blattfeder ausgeführt ist.Pedal according to claim 1, characterized in that the return spring element (12) is designed as a leg spring (11) or leaf spring. Pedal nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Reibkörper (5, 15) als Kurvenscheibe ausgeführt ist.Pedal according to claim 1 or 2, characterized in that the friction body (5, 15) is designed as a cam. Pedal nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Reibkörper punktsymmetrisch ausgebildet und zwischen den Schenkeln (9, 10) einer Schenkelfeder (11) eingespannt ist.Pedal according to one of the preceding claims, characterized in that the friction body is of point symmetry and is clamped between the legs (9, 10) of a leg spring (11). Pedal nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Rückstellfederelement (12) auf seiner dem Reibkörper (15) zugeneigten Seite als Reibfläche (18, 19) ausgebildet ist.Pedal according to one of the preceding claims, characterized in that the return spring element (12) is designed as a friction surface (18, 19) on its side inclined towards the friction body (15). Pedal nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Reibkörper (23) ein Exzenternocken ist.Pedal according to one of the preceding claims, characterized in that the friction body (23) is an eccentric cam. Pedal nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Rückstellfederelement (12, 21) eine progressive Federkennlinie hat.Pedal according to one of the preceding claims, characterized in that the return spring element (12, 21) has a progressive spring characteristic.
EP98122081A 1997-12-17 1998-11-21 Pedal Withdrawn EP0924591A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19755980 1997-12-17
DE19755980A DE19755980A1 (en) 1997-12-17 1997-12-17 pedal

Publications (2)

Publication Number Publication Date
EP0924591A2 true EP0924591A2 (en) 1999-06-23
EP0924591A3 EP0924591A3 (en) 2002-05-08

Family

ID=7852156

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98122081A Withdrawn EP0924591A3 (en) 1997-12-17 1998-11-21 Pedal

Country Status (4)

Country Link
US (3) US6250176B1 (en)
EP (1) EP0924591A3 (en)
JP (1) JPH11237927A (en)
DE (1) DE19755980A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2169512A1 (en) * 2007-06-12 2010-03-31 Toyota Jidosha Kabushiki Kaisha Pedal-operated device

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19813845A1 (en) * 1998-03-28 1999-10-07 Mannesmann Vdo Ag Pedal mechanism
CA2305117C (en) * 1999-04-21 2008-07-29 Atoma International Corp. Accelerator pedal
DE10007743A1 (en) * 2000-02-19 2001-08-23 Mannesmann Vdo Ag pedal
DE10022739A1 (en) * 2000-04-28 2001-10-31 Mannesmann Vdo Ag Motor vehicle pedal e.g. for controlling the speed of the vehicle, has pedal arm displaceable at its first end by force of the driver's foot and hinged about a swivel axis at its second end region
US6516683B2 (en) * 2000-12-29 2003-02-11 Dura Global Technologies, Inc. Electric adjustable pedal system with mechanical active lock-up
DE10212904A1 (en) * 2001-03-23 2002-10-24 Aisin Seiki Accelerator pedal device has elastic hysteresis lever engaged with casing
GB2381851A (en) * 2001-11-06 2003-05-14 Caithness Dev Ltd A pedal mechanism
US7237453B2 (en) * 2002-07-08 2007-07-03 Siemens Ag Acceleration pedal module with controllable friction device
US20060283282A1 (en) * 2003-02-07 2006-12-21 Toyoda Iron Works Co., Ltd. Apparatus for applying a reaction force to a pivotally supported pedal member upon depression thereof
EP1627268B1 (en) 2003-05-29 2008-05-14 CTS Corporation Accelerator pedal for motorized vehicle
JP4217567B2 (en) * 2003-09-04 2009-02-04 豊田鉄工株式会社 Pedal reaction force device
US20080245178A1 (en) * 2003-09-04 2008-10-09 Toyoda Iron Works Co., Ltd. Apparatus for applying a reaction force to a pivotally supported pedal member upon depression thereof
US7340977B2 (en) * 2004-02-27 2008-03-11 Continental Tevis, Inc. Brake mechanism having articulated beam and cam
DE102004023523A1 (en) * 2004-05-13 2005-12-15 Fischer Automotive Systems Gmbh Hinge gearing system for the drive of components in the cab of vehicle has a spring which stops the rotary movement about a point of rotation by the action of friction
CA2507660C (en) * 2004-05-14 2013-05-21 Intier Automotive Closures Inc. Pedal assembly
US8042430B2 (en) * 2004-05-27 2011-10-25 Cts Corporation Accelerator pedal for a vehicle
JP2006113724A (en) * 2004-10-13 2006-04-27 Omron Corp Control method, temperature control method, temperature regulator, heat treatment equipment, program and recording medium
US20060185469A1 (en) * 2005-02-24 2006-08-24 Cts Corporation Pedal for motorized vehicle
WO2006114075A1 (en) * 2005-04-28 2006-11-02 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Arrangement for actuating a clutch of a vehicle
US7793566B2 (en) * 2005-10-31 2010-09-14 Grand Haven Stamped Products Company, Division Of Jsj Corporation Pedal with hysteresis mechanism
JP4835415B2 (en) * 2006-12-08 2011-12-14 トヨタ自動車株式会社 Motion conversion transmission device
JP4840592B2 (en) * 2006-12-08 2011-12-21 トヨタ自動車株式会社 Rotary motion input type operation simulator
KR101057967B1 (en) * 2007-05-09 2011-08-22 시티에스 코포레이션 Car acceleration pedal
KR100851323B1 (en) * 2007-06-26 2008-08-08 주식회사 동희산업 Pedal apparatus for vehicle
US20110100153A1 (en) * 2008-05-08 2011-05-05 Murray Kaijala Accelerator Pedal Assembly
US20120240717A1 (en) * 2009-12-03 2012-09-27 Toyota Jidosha Kabushiki Kaisha pivot-arm type manipulator device
CN203713569U (en) * 2010-03-18 2014-07-16 Cts公司 Pedal and pedal bracket assembly unit
US8806977B2 (en) 2011-10-07 2014-08-19 Cts Corporation Vehicle pedal assembly with hysteresis assembly
DE102012111315A1 (en) 2012-11-23 2014-05-28 Hella Kgaa Hueck & Co. Pedal system for generating a force curve with hysteresis
DE102015113679A1 (en) * 2015-08-18 2017-02-23 Ab Elektronik Gmbh Pedal device with damping of actuation
DE102015218956A1 (en) 2015-09-30 2017-03-30 Zf Friedrichshafen Ag Pedal and motor vehicle
DE102017207417B4 (en) * 2016-06-03 2022-08-11 Ford Global Technologies, Llc Device for simulating forces on an actuator of a vehicle and electrically actuated clutch system
US11307606B2 (en) * 2018-08-31 2022-04-19 Cts Corporation Pedal friction pad for vehicle pedal assembly

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3052421A (en) * 1958-09-05 1962-09-04 Telefunken Gmbh Differential bidirectional drag
IT1024546B (en) * 1974-04-17 1978-07-20 Fasano Osvaldo TORQUE VARIATION LEVER, CAUSED BY THE INCREASE IN THE RESISTANT FORCE OF THE BRAKE PUMPS AND SOUIVALENT MECHANISMS OF EXINILE VEHICLES
JPS6128094Y2 (en) * 1980-09-10 1986-08-21
US4664232A (en) * 1984-04-25 1987-05-12 Bridgestone Corporation Brake device for robot arm
DE8915641U1 (en) * 1989-09-07 1990-12-13 MAN Nutzfahrzeuge AG, 8000 München Device for accelerating, braking or engaging and disengaging the clutch in a motor vehicle
US5133225A (en) * 1991-01-15 1992-07-28 Williams Controls, Inc. Electronic foot pedal having improved biasing arrangement
US5771752A (en) * 1991-10-07 1998-06-30 Cicotte; Edmond B. Adjustable automobile pedal system
DE4321517A1 (en) * 1993-06-29 1995-01-12 Hans Juergen Schroeter Actuating device
US5477746A (en) * 1994-03-21 1995-12-26 Dura Automotive Systems, Inc. Parking brake lever mechanism with lobe motion amplifying means
DE4426549C2 (en) * 1994-07-27 1999-05-20 Mannesmann Vdo Ag Accelerator pedal with setpoint device
US5555774A (en) * 1995-03-06 1996-09-17 Ford Motor Company Control pedal effort reduction and return assist
DE19514541C2 (en) * 1995-04-20 1998-01-15 Daimler Benz Ag Accelerator pedal with friction body
US6003404A (en) * 1995-05-10 1999-12-21 Vdo Adolf Schindling Ag Accelerator pedal assembly for controlling the power of an internal combustion engine
DE19517172B4 (en) * 1995-05-10 2009-07-16 Continental Automotive Gmbh Accelerator pedal for a power control of an internal combustion engine
US5819593A (en) * 1995-08-09 1998-10-13 Comcorp Technologies, Inc. Electronic adjustable pedal assembly
DE19536606A1 (en) * 1995-09-30 1997-04-03 Bosch Gmbh Robert Accelerator pedal module
DE29700862U1 (en) * 1997-01-20 1997-03-13 VDO Adolf Schindling AG, 60326 Frankfurt Pedal device
DE19720390A1 (en) * 1997-05-15 1998-11-19 Mannesmann Vdo Ag pedal
DE19737289A1 (en) * 1997-08-27 1999-03-04 Mannesmann Vdo Ag Control device
US6186025B1 (en) * 1999-03-24 2001-02-13 Teleflex, Inc. Break away pedal

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2169512A1 (en) * 2007-06-12 2010-03-31 Toyota Jidosha Kabushiki Kaisha Pedal-operated device
EP2169512A4 (en) * 2007-06-12 2011-06-29 Toyota Motor Co Ltd Pedal-operated device
US8596162B2 (en) 2007-06-12 2013-12-03 Toyota Jidosha Kabushiki Kaisha Pedal-operated device

Also Published As

Publication number Publication date
EP0924591A3 (en) 2002-05-08
US20020005080A1 (en) 2002-01-17
JPH11237927A (en) 1999-08-31
US6336377B1 (en) 2002-01-08
US6250176B1 (en) 2001-06-26
US6446526B2 (en) 2002-09-10
DE19755980A1 (en) 1999-06-24

Similar Documents

Publication Publication Date Title
EP0924591A2 (en) Pedal
DE69014645T2 (en) GAS PEDAL FOR AN ELECTRONIC THROTTLE ACTUATION SYSTEM.
DE102017104278A1 (en) Pedalemulator for a motor vehicle
DE102017207417B4 (en) Device for simulating forces on an actuator of a vehicle and electrically actuated clutch system
DE202006021160U1 (en) Adjustable steering column for a motor vehicle
DE10324374A1 (en) accelerator
EP1870309A2 (en) Device for guiding the body and steering column for a motor vehicle
EP0981786B1 (en) Pedal
DE102011122445A1 (en) Reset device for a steering column switch device of a motor vehicle and motor vehicle
DE102008018140B4 (en) Accelerator pedal
EP0923015A2 (en) Pedal
DE19936733C2 (en) Actuator for a parking brake
DE3736666C2 (en)
WO2000075534A1 (en) Drive acting on both sides for adjustment devices
EP1126353A2 (en) Pedal
EP0356789B1 (en) Electrical switch, particularly steering-column switch for vehicle
EP3338155B1 (en) Pedal device with damping of the actuation
EP0981459A1 (en) Pedal
DE102014110204B3 (en) Steering column for a motor vehicle
DE102004031586A1 (en) Game-optimized recording for contact piece
DE102015214974A1 (en) Device for power simulation on an actuating element of a vehicle
WO2019096664A2 (en) Steering column for a motor vehicle
EP3838660A1 (en) Operating element
DE2748839A1 (en) TOGGLE SWITCH
DE102020105195A1 (en) Actuator for rear-axle steering of a vehicle and rear-axle steering with such an actuator

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: SIEMENS AKTIENGESELLSCHAFT

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17P Request for examination filed

Effective date: 20020603

AKX Designation fees paid

Designated state(s): DE FR GB

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20060601