EP4018279A1 - Pedal für ein kraftfahrzeug - Google Patents
Pedal für ein kraftfahrzeugInfo
- Publication number
- EP4018279A1 EP4018279A1 EP19758692.8A EP19758692A EP4018279A1 EP 4018279 A1 EP4018279 A1 EP 4018279A1 EP 19758692 A EP19758692 A EP 19758692A EP 4018279 A1 EP4018279 A1 EP 4018279A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- return spring
- pedal
- pedal arm
- friction
- base part
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K26/00—Arrangement or mounting of propulsion-unit control devices in vehicles
- B60K26/02—Arrangement or mounting of propulsion-unit control devices in vehicles of initiating means or elements
- B60K26/021—Arrangement or mounting of propulsion-unit control devices in vehicles of initiating means or elements with means for providing feel, e.g. by changing pedal force characteristics
-
- 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
- G05G5/05—Means for returning or tending to return controlling members to an inoperative or neutral position, e.g. by providing return springs or resilient end-stops
-
- 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
- G05G1/44—Controlling members actuated by foot pivoting
-
- 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
Definitions
- the present invention relates to a pedal for a motor vehicle of the type mentioned in the preamble of claim 1.
- a bidirectional pedal arrangement for a motor vehicle is known from EP 2987046 B1, in which a pedal support part is pivotably mounted on a base structure.
- the pedal support part can be pivoted from a rest position about an axis of rotation in a first direction and in a second direction opposite to the first direction.
- First and second springs urge the pedal support part into its rest position.
- a first and a second friction mechanism is arranged between the pedal support part and the first and second spring, respectively, wherein the first and the second friction mechanism are each designed to brake the movements of the pedal support part pivoting.
- the first and the second Reibungsme mechanism for generating a frictional force when the pedal support part moves each have two elements that are in contact with one another and movable to one another and that are designed so that when the two elements are pressed apart under the action of force, at least a surface of one of the elements is pressed against a surface which is fixed with respect to the base structure.
- the present invention is based on the object of specifying a pedal for a motor vehicle in which resetting of a pedal arm of the pedal in its rest position is improved.
- a pedal for a motor vehicle with the features of claim 1, according to which the friction system has a rocker rotatably arranged on the base part and the at least one first return spring is arranged between the separate friction element and the rocker so that the separate Friction element is pressed against the friction surface of the base part by means of the rocker in a frictional force generating manner when the pedal arm moves in the direction of its maximum actuation position, the separate friction element being connected to the pedal arm in a pressure-transmitting manner by means of the at least one first return spring and at least one connecting element, and wherein at least one second, the movement of the Peda larms in the direction of its rest position promoting, return spring between a bearing part for the at least one second return spring and the base part or the Seesaw is arranged.
- the subclaims relate to advantageous developments of the invention.
- a significant advantage of the pedal according to the invention for a motor vehicle is in particular that resetting of the pedal arm of the pedal in its rest position is improved.
- the friction partners of a friction pairing namely the separate Rei element and the corresponding friction surface of the base part can block, for example, so that in such a case a relative movement between the two friction partners is prevented or at least made very difficult.
- Due to the inventive design of a pedal for a motor vehicle a movement of the pedal arm of the pedal in the direction of its rest position, that is, a return of the pedal arm of the pedal, is also improved in such a case.
- the separate friction element is connected to the pedal arm by means of the at least one connec tion element, on the one hand, only to transmit pressure force.
- the at least one second return spring does not act by means of the separate friction element, but is arranged and acts by means of the at least one connecting element between the pedal arm and the base part or between the pedal arm and the rocker.
- the resetting of the pedal alarm of the pedal in its rest position by means of the at least one second return Adjusting spring also promoted when the at least one first return spring is not functional. For example, this is the case when the at least one first return spring itself is blocked or broken.
- the at least one connecting element can be freely selected within wide suitable limits in terms of type, mode of operation, material, dimensioning, arrangement and number.
- the at least one connecting element is designed as a single connecting element.
- the number of the at least one connecting element is reduced to a minimum.
- the number of components of the pedal according to the invention is correspondingly also reduced.
- at least one connection element is used for the pressure force-transmitting connection of the pedal arm with the separate friction element and at least one other connection element is used for the pressure force-transmitting connection of the pedal arm with the bearing part for the at least one second return spring.
- the friction system and thus also the separate friction element of the pedal according to the invention for a motor vehicle in terms of type, mode of operation, material, dimensions, arrangement and number can be freely selected within wide suitable limits. It is advantageously provided that the separate friction element is in force-transmitting connection with the pedal arm only by means of the at least one first return spring and the at least one connecting element when the friction system and the at least one first return spring are functioning properly. In this way, the interaction between the separate friction element and the pedal arm in terms of power transmission is reduced to a minimum required for the function of the pedal according to the invention for a motor vehicle. Corresponding an undesired influencing of the movement of the pedal arm, for example in the case of a blockage of the separate friction element and the corresponding friction surface of the base part, is effectively prevented or at least effectively reduced.
- a particularly advantageous development of the pedal according to the invention for a motor vehicle provides that the at least one second return spring is designed in such a way that, if the friction system and / or the at least one first return spring is not functioning properly, the pedal arm automatically returns to its position when the pedal arm is not actuated Rest position is transferable. In this way, the desired return of the pedal arm in its rest position is guaranteed in every operating case of the pedal arm according to the invention and also in any event of a fault in the friction system and / or the at least one first return spring.
- the relative arrangement of the separate friction element and the bearing part to one another can be freely selected within wide suitable limits. It is advantageously provided that the separate friction element and the bearing part extend essentially parallel to one another and are arranged directly next to one another.
- the arrangement relates to the flow of force. On the one hand, this simplifies the structural design of the pedal according to the invention for a motor vehicle. On the other hand, this enables a compact and thus space-saving design of the pedal according to the invention.
- the bearing part for the at least one second return spring is freely selectable in terms of type, function, material, dimensions, arrangement and number within a wide range of suitable limits.
- An advantageous development of the pedal according to the invention for a motor vehicle provides that the bearing part is designed as a sensor part by means of which an angle of rotation of the pedal arm relative to the base part can be determined. In this way, detection of the angle of rotation of the pedal arm is implemented in a structurally simple manner. By means of the angle of rotation, it is also possible to determine variables dependent on the angle of rotation of the pedal arm and to use them, for example, for controlling or regulating the motor vehicle.
- the at least one first return spring and the at least one second remindstellfe are freely selectable in terms of type, mode of operation, material, arrangement and number within wide appro priate limits.
- an advantageous development of the pedal according to the invention for a motor vehicle provides that the spring force lines of action of the at least one first return spring and the at least one second return spring run essentially parallel to one another. This improves the synergy between the at least one first return spring and the at least one second return spring while the pedal according to the invention is functioning properly for a motor vehicle.
- the at least one first return spring and the at least one second return spring can be designed to match each other in order to complement each other in normal operation of the pedal according to the invention for a motor vehicle, i.e. when the pedal according to the invention is functioning properly, and thus to the individual first and second return springs to be able to train more compactly.
- the at least one first return spring and / or the at least one second return spring are / is designed as a double spring. In this way, the security against a malfunction of the at least one first return spring and / or the at least one second return spring is improved.
- Fig. 1 shows an embodiment of a pedal according to the invention for a motor vehicle in a partial plan view
- FIG. 2 the embodiment according to FIG. 1 in a partial first Be tenansicht, with a view of the separate friction element and the first return spring and
- FIG. 3 the embodiment according to FIG. 1 in a partial second Be tenansicht, with a view of the bearing part and the second return spring.
- a pedal according to the invention for a motor vehicle is shown by way of example.
- the motor vehicle is not shown.
- the pedal is designed as an accelerator pedal, that is to say an accelerator pedal, of the motor vehicle.
- the pedal has a pedal arm 2 which is rotatably mounted about an axis of rotation 4 on a base part 6 only partially shown in FIGS. 2 and 3 and can be moved back and forth between a rest position and a maximum actuation position.
- the pedal arm 2 is shown in its rest position, while the maximum actuation position of the pedal arm 2 in FIGS. 2 and 3 is only indicated by a pedal arm 2 shown in dashed lines.
- a movement of the pedal arm 2 in the direction of its rest position shown in FIGS. 1 to 3 is conveyed by means of a restoring spring 8 ers th.
- the first return spring 8 is designed as a helical spring.
- the pedal has a friction system 10 for generating a friction force when the pedal arm 2 moves in the direction of its maximum actuation position; see in particular FIG. 2.
- the friction system 10 has a separate friction element
- the separate friction element 12 is in particular formed separately from the pedal arm 2.
- the friction system 10 also has an axis of rotation on the base part 6
- the first return spring 8 is arranged between the separate friction element 12 and the rocker 14 such that the separate friction element 12 when the pedal arm 2 moves in the direction of its maximum operating position, see Fig. 1 in connection with FIG. 2, is pressed against the friction surface 6.1.1 of the base part 6 by means of the rocker 14 to generate friction.
- the first return spring 8 is preloaded in the rest position of the pedal arm 2, so that the first te return spring 8 pushes the separate friction element 12 in the rest position of the pedal arm 2 against a connecting element 16 designed as a coupling rod.
- the separate friction element 12 has a bolt 12.2 with which the separate friction element 12 is supported on a bolt receptacle 16.1 formed on the coupling rod 16.
- the coupling rod 16 is connected to the Pe dalarm 2 in a force-transmitting and articulated manner via a joint 17.
- the separate Reibele element 12 is connected to the pedal arm 2 by means of the first return spring 8 and the coupling rod 16 to transmit pressure force.
- the at least one connecting element 16 designed as a coupling rod is thus designed as a single connecting element 16 in the present exemplary embodiment.
- a second return spring 18 which transports the movement of the pedal arm 2 in the direction of its rest position is arranged between the base part 6 and a bearing part 20 for the second return spring 18.
- the bearing part 20 is connected in a force-transmitting and articulated manner to the pedal arm 2 by means of the coupling rod 16.
- a joint 21, 22 is formed on the one hand between the bearing part 20 and the coupling rod 16 and on the other hand between the coupling rod 16 and the pedal arm 2.
- the bearing part 20 is positively and flexibly connected to the pedal arm 2 by means of the coupling rod 16.
- the bearing part 20 is rotatably connected to the base part 6 by means of an axis of rotation 23.
- the bearing part 20 is simultaneously designed as a sensor part 20, by means of which an angle of rotation of the pedal arm 2 about the axis of rotation 23 and relative to the base part 6 can be determined in a manner known to those skilled in the art. See in particular FIG. 3, in which the base part 6 is partially shown.
- the separate friction element 12 and the bearing part 20 are arranged directly next to one another and run essentially parallel to one another.
- the construction of the pedal according to the invention is simplified and the pedal according to the invention for a motor vehicle is also compact and thus space-saving.
- the second return spring 18 is, analogously to the first return spring 8, also designed as a helical spring 18.
- the second return spring 18 is also pretensioned in the rest position of the pedal arm 2, so that the second return spring 18 holds the pedal arm 2 in its rest position when the pedal arm 2 is not actuated by means of the coupling rod 16.
- the second return spring 18 is arranged between the bearing part 20 and the base part 6 that the return spring 18 with a properly functioning pedal as well as with an improperly functioning friction system 10 and / or improperly functioning first return spring 8 in every operating position of the pedal and thus in each
- the actuation position of the pedal arm 2 is connected to the pedal arm 2 in a pressure force-transmitting manner.
- the second return spring 18 is designed in such a way that if the friction system 10 and / or the at least one first return spring 8 does not function properly, the pedal arm 2 can automatically be transferred to its rest position when the pedal arm 2 is not actuated.
- the lines of action of the spring force of the first return spring 8 and the second return spring 18 run essentially parallel to one another.
- a user of the pedal a driver of the motor vehicle equipped with the pedal, operates the pedal by pressing the pedal arm 2 by means of a foot in the plane of FIGS. 2 and 3 downwards.
- the user as well as his foot are not shown in the figures.
- the pedal arm 2 rotates about the axis of rotation 4 relative to the base part 6 in the image plane of FIGS. 2 and 3 in a clockwise direction about the axis of rotation 4 to the bottom right.
- Due to the between the separate friction element 12 and the rocker 14 arranged first return spring 8 is the separate friction element 12 with a properly functioning pedal in every operating position of the pedal, i.e. in every possible position of the pedal arm 2, from its rest position to its maximum actuation position, by means of the coupling rod 16 pressure force transferring against pressed the pedal arm 2.
- the bearing part 20 is pressed with a properly functioning pedal in each Actuate supply position of the pedal, so in every possible position of the pedal arm 2, from its rest position to its maximum actuation position, also by means of the second return spring 18 and the coupling rod 16 pressure force-transmitting against the Pedalarm 2 .
- the bearing part 20 is positively and articulated to the pedal arm 2 of the pedal by means of the coupling rod 16 and the two joints 21, 22.
- the force exerted by the user on the pedal arm 2 means that the first return spring 8 and the second return spring 18 are compressed against the respective spring force.
- the separate friction element 12 relative to the base part 6 also the mutually corresponding friction surfaces 6.1.1 and 12.1 of the base part 6 and of the separate friction element 12 relative to each other.
- the separate friction element 12 and thus the friction surface 12.1 formed thereon is pressed by means of the rocker 14 against the friction surface 6.1.1 formed on the cross member 6.1 of the base part 6 in a frictional force generating manner.
- the second return spring 18 automatically pushes the pedal arm 2 into its rest position when the pedal arm 2 is not actuated. See in particular Fig. 3.
- the first return spring 8 works properly, but the two mutually korrespondie-generating friction surfaces 6.1.1 and 12.1 of the base part 6 and the separate friction element 12 are blocked, so that a relative movement between the two friction surfaces 6.1.1 and 12.1 and thus between the base part 6 and the separate friction element 12 is no longer possible. See Fig. 2.
- the second return spring 18 has transferred the pedal arm 2 to its rest position as requested; see in particular FIG. 3.
- the friction element 12 is designed as a separate friction element 12 and is thus also net angeord and held separately from the pedal arm 2 on the pedal.
- the pedal arm 2 and thus a return of the pedal arm 2 in its rest position by a blocked friction system 10 and / or by an inoperable first return spring 8 is not prevented.
- the pedal according to the invention for a motor vehicle can also be used and advantageously used for other functions of a motor vehicle.
- the pedal according to the invention for a motor vehicle could also be designed as a brake pedal or a clutch pedal.
- the pedal according to the invention for a motor vehicle can also be designed as a so-called hanging pedal.
- the pedal according to the invention for a motor vehicle according to the present embodiment is designed as a so-called standing pedal.
- the at least one second return spring is arranged between the bearing part for the at least one second return spring and the rocker.
- the synergy between the at least one first return spring and the at least one second return spring is additionally improved.
- the embodiment according to the present embodiment ensures a decoupling of the at least one second return spring from the rocker.
- a malfunction of the rocker would also be compensated for.
- the at least one first return spring and / or a plurality of the at least one second return spring are / is designed as a double spring.
- a double spring would be, for example, if to the one first return spring of the above embodiment an additional first return spring or to the one second return spring of the present embodiment, an additional second return spring would be concentrically arranged. This would additionally improve the security against malfunctions of the friction system and / or the at least one first return spring and / or the at least one second return spring.
- helical springs instead of helical springs, other suitable spring types known to those skilled in the art are also possible for the at least one first return spring and the at least one second return spring. It is also conceivable that different spring types are used for the at least one first return spring and the at least one second return spring. The same applies to a plurality of first return springs and a plurality of second return springs.
- the base part and / or the separate friction element may be constructed in several parts.
- a friction piece could be arranged on the base part and / or the separate friction element, which has the friction surface of the base part and / or the friction surface of the separate friction element.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Mechanical Control Devices (AREA)
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2019/072398 WO2021032301A1 (de) | 2019-08-21 | 2019-08-21 | Pedal für ein kraftfahrzeug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4018279A1 true EP4018279A1 (de) | 2022-06-29 |
Family
ID=67742410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19758692.8A Pending EP4018279A1 (de) | 2019-08-21 | 2019-08-21 | Pedal für ein kraftfahrzeug |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US12043112B2 (de) |
| EP (1) | EP4018279A1 (de) |
| CN (1) | CN114270289B (de) |
| WO (1) | WO2021032301A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12337809B2 (en) * | 2023-03-14 | 2025-06-24 | Ford Global Technologies, Llc | Stowable vehicle pedal system and method |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6857336B2 (en) * | 1999-11-23 | 2005-02-22 | William C. Staker | Electronic pedal assembly and method for providing a tuneable hystersis force |
| US20070193401A1 (en) * | 2006-02-02 | 2007-08-23 | Cts Corporation | Accelerator pedal for a vehicle |
| DE102006035882B4 (de) * | 2006-07-31 | 2008-05-29 | MÄNNLE, Erik | Pedalanordnung mit einem stehenden Pedal |
| DE102009032664B4 (de) * | 2009-07-09 | 2016-05-12 | Hella Kgaa Hueck & Co. | Fahrpedal |
| JP5423776B2 (ja) * | 2011-09-26 | 2014-02-19 | 株式会社デンソー | アクセル装置 |
| DE102012111315A1 (de) * | 2012-11-23 | 2014-05-28 | Hella Kgaa Hueck & Co. | Pedalsystem für die Erzeugung eines Kraftverlaufs mit Hysterese |
| WO2014170126A1 (en) | 2013-04-15 | 2014-10-23 | Kongsberg Power Products Systems Ltd. | Bidirectional pedal assembly |
| DE102015106479B4 (de) * | 2015-04-27 | 2017-08-10 | Ab Elektronik Gmbh | Pedal mit Drehelement zur Erzeugung von Bewegungshysterese |
| DE102015214658A1 (de) * | 2015-07-31 | 2017-02-02 | Robert Bosch Gmbh | Fahrpedalmodul für ein Kraftfahrzeug |
| IT201700019307A1 (it) * | 2017-02-21 | 2018-08-21 | Bitron Spa | Pedale acceleratore, in particolare per un autoveicolo. |
| DE102017108487A1 (de) * | 2017-04-21 | 2018-10-25 | HELLA GmbH & Co. KGaA | Pedal für ein Kraftfahrzeug |
| IT201700052700A1 (it) * | 2017-05-16 | 2018-11-16 | Bitron Spa | Pedale acceleratore, in particolare per un autoveicolo, provvisto di un dispositivo di realizzazione isteresi meccanica. |
| JP6870595B2 (ja) * | 2017-11-29 | 2021-05-12 | トヨタ自動車株式会社 | 車両用ペダル装置 |
-
2019
- 2019-08-21 CN CN201980099502.5A patent/CN114270289B/zh active Active
- 2019-08-21 WO PCT/EP2019/072398 patent/WO2021032301A1/de not_active Ceased
- 2019-08-21 EP EP19758692.8A patent/EP4018279A1/de active Pending
-
2022
- 2022-02-15 US US17/651,189 patent/US12043112B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US12043112B2 (en) | 2024-07-23 |
| WO2021032301A1 (de) | 2021-02-25 |
| CN114270289A (zh) | 2022-04-01 |
| CN114270289B (zh) | 2023-07-04 |
| US20220169116A1 (en) | 2022-06-02 |
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