WO2015145760A1 - Dispositif de réduction de force de pédale - Google Patents

Dispositif de réduction de force de pédale Download PDF

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Publication number
WO2015145760A1
WO2015145760A1 PCT/JP2014/059273 JP2014059273W WO2015145760A1 WO 2015145760 A1 WO2015145760 A1 WO 2015145760A1 JP 2014059273 W JP2014059273 W JP 2014059273W WO 2015145760 A1 WO2015145760 A1 WO 2015145760A1
Authority
WO
WIPO (PCT)
Prior art keywords
clutch pedal
pedal
flange
urging member
pressing member
Prior art date
Application number
PCT/JP2014/059273
Other languages
English (en)
Japanese (ja)
Inventor
正春 石附
雅道 大木
Original Assignee
株式会社ヨロズ
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 株式会社ヨロズ filed Critical 株式会社ヨロズ
Priority to PCT/JP2014/059273 priority Critical patent/WO2015145760A1/fr
Publication of WO2015145760A1 publication Critical patent/WO2015145760A1/fr

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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
    • B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
    • B60K23/02—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for main transmission clutches
    • 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
    • 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

Definitions

  • the present invention relates to a pedal effort reducing device that reduces the pedal effort of a clutch pedal.
  • the manual transmission of an automobile is provided with a clutch pedal device for transmitting or interrupting the driving force of the engine to the transmission.
  • a spring first urging member
  • a so-called turnover type pedaling force reducing device that biases the vehicle is provided (see, for example, Patent Document 1 below).
  • an auxiliary spring (second urging member) having a small urging force is adjacent to the spring (first urging member) via a cap (connecting member).
  • a pedal effort reducing device that is arranged in the above and adjusts the input characteristic to the pedal with respect to the stroke amount of the brake pedal.
  • the cap interferes with the seat surface of the auxiliary spring when the clutch pedal returns to the original position by the force from the clutch device after the clutch pedal is depressed, There is a risk of hitting sound.
  • the present invention has been invented in order to solve the above-described problems, and an object thereof is to provide a pedal effort reducing device capable of suitably preventing the occurrence of a hitting sound when a clutch pedal is operated. .
  • the pedal effort reducing device that achieves the above-mentioned object returns the clutch pedal to its original position at the initial depression of the clutch pedal with respect to the clutch pedal that is pivotally supported about the rotation center axis.
  • a treading force reducing device that biases in a direction and biases in a stepping direction when depressed at a predetermined angle, and includes a shaft portion extending in a vertical direction of the vehicle in an initial step of depression, and a flange extending outward with respect to the shaft portion
  • a first guide that is provided on the outer periphery of the shaft portion and that biases the clutch pedal in a direction to return to the original position in the initial step and biases the clutch pedal in the stepping direction when the pedal is stepped at a predetermined angle.
  • a biasing member and the flange portion as one seating surface, provided on the flange portion side with respect to the first biasing member on an outer periphery of the shaft portion, and stepping on the clutch pedal
  • a second urging member having a smaller urging force than the first urging member, which urges the clutch pedal in the stepping-on direction when the urging member becomes a natural length, and a seat of the first urging member.
  • a first flange serving as a surface
  • a second collar serving as the other seating surface of the second biasing member
  • a main body connecting the first collar and the second collar, the first biasing A connecting member for connecting the member and the second urging member, and a gap formed between the first flange and the flange when the clutch pedal is depressed and the first urging member has a natural length.
  • a rubber cushion member
  • the cushion member plays a role as a cushioning material. Can be prevented. Therefore, it is possible to provide a pedal effort reducing device that can suitably prevent the occurrence of a hitting sound when the clutch pedal is operated.
  • FIG. 1 is a schematic side view of a clutch pedal device 1 including a pedal effort reducing device 6 according to an embodiment of the present invention before the clutch pedal 4 is depressed.
  • FIG. 2 is a schematic side view of the clutch pedal device 1 in a state where the clutch pedal 4 is fully depressed.
  • FIG. 3 is a front view of the clutch pedal device 1 according to this embodiment from the rear of the vehicle.
  • FIG. 4 is a front cross-sectional view of part A in FIG.
  • FIG. 5 is a partially enlarged view of a portion B in FIG. FIG. 4 shows a state where the clutch pedal 4 is fully depressed.
  • the clutch pedal device 1 according to the embodiment of the present invention is configured to be attached to a pedal bracket 3 as shown in FIGS.
  • the clutch pedal device 1 includes a clutch pedal 4, a bracket 5, and a pedaling force reducing device 6.
  • the clutch pedal 4 is configured by integrally fixing a pedal 42 to the tip of a pedal lever 41.
  • the clutch pedal 4 is supported by the pedal bracket 3 so as to be swingable around the rotation center axis X of the fulcrum pin 7.
  • a push rod (not shown) is connected to the pedal lever 41 in the middle thereof, and receives a force from the clutch device (not shown) to the rear of the vehicle. The driver depresses or releases the pedal 42 of the clutch pedal 4 to cut off or transmit the driving force of the engine to the transmission.
  • the bracket 5 transmits the urging force from the pedal effort reducing device 6 to the clutch pedal 4.
  • the bracket 5 includes a connecting portion 51 that extends in the vehicle width direction, a first extending portion 52 that is bent from the connecting portion 51 and extends upward in the initial stage of the stepping, and a connecting portion 51. And a second extending portion 53 that is bent from the first extending portion 52 and extends in the same direction as the first extending portion 52.
  • the first extending portion 52 is welded to the side surface of the pedal lever 41 as shown in FIG.
  • the method of joining the 1st extension part 52 to the pedal lever 41 is not limited to welding joining, For example, you may couple
  • the pedal force reducing device 6 urges the clutch pedal 4 in a direction to return the clutch pedal 4 to the original position when the clutch pedal 4 is initially depressed, and urges the clutch pedal 4 in the depression direction when the clutch pedal 4 is depressed at a predetermined angle.
  • the pedal effort reducing device 6 includes a main body portion 61, a guide portion 62, a first urging member 63, a second urging member 64, a connecting member 65, and a cushion member 66.
  • a main body portion 61 As shown in FIG. 4, the pedal effort reducing device 6 includes a main body portion 61, a guide portion 62, a first urging member 63, a second urging member 64, a connecting member 65, and a cushion member 66.
  • the main body 61 has a hollow shape in which the guide 62 can slide.
  • the main body 61 includes a first fastening portion 611 provided below the vehicle in the initial stage of depression of the clutch pedal 4 and fastened to the second extending portion 53 to be rotatable, and a seating surface of the first biasing member 63. And a seating surface portion 612.
  • the 1st fastening part 611 is comprised from two plate shape which mutually opposes, as shown in FIG.
  • the first fastening portion 611 is arranged so that the second extending portion 53 is sandwiched therebetween, and a pin P1 with a flange is inserted into the through hole of the first fastening portion 611 and the second extending portion 53.
  • the treading force reducing device 6 is connected to the bracket 5 so as to be rotatable.
  • the rotation center axis of the pedal effort reducing device 6 with respect to the bracket 5 is defined as Y.
  • the guide part 62 guides expansion and contraction of the first urging member 63 and the second urging member 64.
  • the guide portion 62 includes a shaft portion 621 that extends in the vertical direction of the vehicle when the clutch pedal 4 is initially depressed, a flange portion 622 that extends outward with respect to the shaft portion 621, and an upper portion of the vehicle when the clutch pedal 4 is initially depressed. And a second fastening portion 623 that is fastened to the two plate portions 31 of the pedal bracket 3.
  • the second fastening portion 623 has two plate portions 31 of the pedal bracket 3 disposed on both sides thereof, and flanges are provided in the through holes of the second fastening portion 623 and the plate portion 31.
  • the washer W2 is fitted into a groove provided on the side opposite to the side where the pin P2 is inserted and the flange is provided, so that the pedal effort reducing device 6 is pivotally connected to the pedal bracket 3.
  • the rotation center axis of the pedal force reducing device 6 with respect to the pedal bracket 3 is defined as Z.
  • the first urging member 63 is provided on the outer periphery of the shaft portion 621, and urges the clutch pedal 4 to return to the original position at the initial stage of depression, and urges it in the depression direction when depressed by a predetermined angle. Therefore, the first urging member 63 is arranged in a compressed state from the natural length in the initial stepping-in.
  • the predetermined angle is, for example, 4.0 to 6.5 degrees.
  • the first urging member 63 is arranged such that a seat surface portion 612 and a first flange portion 651 of a connecting member 65 described later serve as a seat surface.
  • the spring constant of the first biasing member 63 is, for example, 49.9 to 60.9 N / mm.
  • the second urging member 64 is provided on the outer periphery of the shaft portion 621 and on the flange 622 side with respect to the first urging member 63, and the first urging member 63 has a natural length when the clutch pedal 4 is depressed.
  • the clutch pedal 4 is urged in the depression direction.
  • the second urging member 64 has a smaller urging force than the first urging member 63.
  • the second urging member 64 is arranged such that a flange portion 622 and a second flange portion 652 of the connecting member 65 described later serve as a seating surface.
  • the spring constant of the second urging member 64 is, for example, 6.2 to 7.6 N / mm.
  • the connecting member 65 connects the first urging member 63 and the second urging member 64.
  • the connecting member 65 includes a first flange portion 651 serving as a seating surface of the first biasing member 63, a second flange portion 652 serving as a seating surface of the second biasing member 64, and first and second flange portions 651 and 651. It has a main body portion 653 for connecting 652.
  • the first flange portion 651 extends outward with respect to the shaft portion 621, and the second flange portion 652 extends inward with respect to the shaft portion 621.
  • the first flange portion 651 has a step shape of a step D1.
  • the cushion member 66 is interposed between the main body portion 653 and the second biasing member 64 and between the first flange portion 651 and the flange portion 622 when the clutch pedal 4 is depressed and the first biasing member 63 has a natural length.
  • the gap G is continuously formed (see FIGS. 4 and 5). Since the cushion member 66 is provided between the main body portion 653 and the second urging member 64, resonance of the second urging member 64 caused by vibration during traveling of the vehicle can be suitably prevented. Further, since the cushion member 66 is provided in the gap G generated between the first flange portion 651 and the flange portion 622 when the first urging member 63 has a natural length, the clutch pedal 4 is in the middle of returning to the original position.
  • the cushion member 66 plays a role as a cushioning material, so that it is possible to suitably prevent the occurrence of a hitting sound.
  • the cushion member 66 is made of, for example, ethylene propylene rubber, but is not limited thereto, and is not particularly limited as long as it is made of rubber.
  • board thickness D2 of the cushion member 66 is larger than the level
  • the plate thickness D2 of the cushion member 66 is, for example, 2.35 mm
  • the step D1 in the step shape of the first flange portion 651 is, for example, 1 mm. According to this structure, when the 1st collar part 651 and the flange part 622 adjoin, the width
  • FIG. 6 is a diagram for explaining the operation of the clutch pedal device 1 and is a schematic side view showing a state before the clutch pedal 4 exceeds the turnover point.
  • FIG. 7 is a diagram for explaining the operation of the clutch pedal device 1, and is a schematic side view showing a state where the clutch pedal 4 exceeds the turnover point.
  • FIG. 8 is a schematic side view illustrating the operation of the clutch pedal device 1 and showing a state where the clutch pedal 4 is fully depressed.
  • FIG. 9 is a graph showing the relationship between the pedal stroke amount of the clutch pedal 4 and the input applied to the pedal 42. In the vertical axis of FIG. 9, the plus side indicates the reaction force, and the minus side indicates the assist force.
  • the rotation center axis Y of the pedal force reduction device 6 with respect to the bracket 5 is the rotation center axis X of the clutch pedal 4 and the rotation center axis of the pedal force reduction device 6 with respect to the pedal bracket 3. Since it is arranged on the vehicle rear side with respect to the line L connecting Z, the component force F2 in the direction perpendicular to the line L of the force F1 in the expansion direction of the first urging member 63 compressed in the initial stepping-down direction is Act on the side. For this reason, in the initial depression, the clutch pedal 4 is urged in a direction to return to the original position (see A1 in FIG. 9).
  • the rotation center axis Y with respect to the bracket 5 of the pedal effort reducing device 6 is arranged on the vehicle front side with respect to the line L, so that the first urging member 63 extends in the extending direction.
  • a component force F4 in a direction orthogonal to the line L of the force F3 acts on the front side of the vehicle. For this reason, when the turnover point is exceeded, an assist force that pushes the clutch pedal 4 in the depression direction is applied (see A3 in FIG. 9).
  • the first urging member 63 becomes a natural length, and a gap G is generated between the first flange portion 651 and the flange portion 622. In this state, it is possible to suitably prevent the first urging member 63 from shaking due to the urging force of the second urging member 64 in the expansion direction. Further, in this state, the first urging member 63 has a natural length and thus no assist force is generated, but the second urging member 64 generates an assist force (see A4 in FIG. 9). ). By providing the second urging member 64 in this way, the input characteristic to the pedal with respect to the stroke amount of the brake pedal 4 is adjusted in a region where the stroke amount of the brake pedal 4 is large as shown in FIG. be able to.
  • the clutch pedal 4 returns to the original position by the force from the clutch device that is always operating.
  • the first flange portion 651 and the flange portion 622 are close to each other, but since the cushion member 66 is provided between the first flange portion 651 and the flange portion 622, it is possible to suitably prevent the occurrence of hitting sound at the time of proximity. be able to.
  • the pedal effort reducing device 6 is configured so that the clutch pedal 4 is engaged at the initial depression of the clutch pedal 4 with respect to the clutch pedal 4 pivotally supported about the rotation center axis X.
  • a pedaling force reducing device 6 that biases in a direction to return to the original position and biases in a stepping direction when the pedal is stepped on a predetermined angle.
  • the treading force reducing device 6 is provided on the outer periphery of the shaft portion 621 and a shaft portion 621 that extends in the vertical direction of the vehicle in the initial step of the vehicle, a guide portion 62 that includes a flange portion 622 that extends outward with respect to the shaft portion 621.
  • the first urging member 63 that urges the clutch pedal 4 to return to the original position at the initial step and urges the clutch pedal 4 in the depressing direction when depressed by a predetermined angle, and the outer periphery of the shaft portion 621 and the first urging member 63.
  • a first attachment that is provided on the flange 622 side with respect to the urging member 63 and urges the clutch pedal 4 in the depression direction when the first urging member 63 has a natural length by depressing the clutch pedal 4.
  • a second urging member 64 having a smaller urging force than the urging member, a first flange 651 serving as a seating surface of the first urging member 63, a second collar 652 serving as a seating surface of the second urging member 64,
  • the first collar part 651 and the second collar part 652 A connecting member 65 that connects the first urging member 63 and the second urging member 64, and a first rod when the first urging member 63 has a natural length by depressing the clutch pedal 4.
  • a rubber cushion member 66 provided in a gap G generated between the portion 651 and the flange portion 622.
  • the cushion member 66 is provided between the first flange portion 651 and the flange portion 622, the first flange portion 651 and the flange portion 622 approach each other while the clutch pedal 4 returns to the original position. At this time, the cushion member 66 serves as a cushioning material. Therefore, it is possible to provide the pedal effort reducing device 6 that can suitably prevent the occurrence of a hitting sound when the clutch pedal 4 is operated.
  • the cushion member 66 is continuously provided between the main body 653 and the second urging member. For this reason, the radial movement of the second urging member 64 can be restricted, and the resonance of the second urging member 64 can be suitably prevented.
  • the first flange 651 of the connecting member 65 has a step shape, and the step D1 in the step shape is smaller than the plate thickness D2 of the cushion member 66. According to this shape, when the 1st collar part 651 and the flange part 622 approach, the thickness which the cushion member 66 compresses becomes small, and durability of the cushion member 66 improves.
  • the cushion member 66 includes the first collar portion between the main body portion 653 and the second biasing member 64 and when the first biasing member 63 has a natural length when the clutch pedal 4 is depressed. It was continuously provided in the gap G generated between 651 and the flange portion 622. However, the gap G generated between the first flange portion 651 and the flange portion 622 between the main body portion 653 and the second biasing member 64 and when the first biasing member 63 has a natural length when the clutch pedal 4 is depressed. May be provided intermittently as separate bodies.
  • the first flange portion 651 has a step shape, but is not limited thereto, and may have a straight shape without a step shape.

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  • 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)
  • Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
  • Mechanical Control Devices (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

Cette invention concerne un dispositif de réduction de force de pédale destiné à une pédale d'embrayage, comprenant : une section de guidage pourvue d'une bride ; un premier élément de pression qui, au stade initial d'enfoncement de la pédale d'embrayage, appuie sur la pédale d'embrayage dans la direction de retour de la pédale d'embrayage à la position d'origine, et qui, lorsque la pédale d'embrayage est enfoncée d'angle prédéterminé, appuie sur la pédale d'embrayage dans la direction d'enfoncement de la pédale d'embrayage ; un second élément de pression présentant une force de pression inférieure à celle du premier élément de pression, le second élément de pression étant disposé plus à proximité du côté de la bride que le premier élément de pression tandis que la bride sert de surface d'assise pour le deuxième élément de pression, et presser la pédale d'embrayage dans la direction de la dépression de celui-ci lorsque la pédale d'embrayage est enfoncée et le premier élément de pression a une longueur naturelle ; un élément de liaison pour relier le premier élément de pression et le deuxième élément de pression, l'élément de connexion ayant un premier rebord en saillie servant de surface d'assise pour le premier élément de pression, l'élément de connexion ayant également un second rebord en saillie servant d'autre surface d'assise pour le deuxième élément de pression. Ledit dispositif de réduction de force de pédale comprend en outre un élément formant tampon en caoutchouc conçu pour empêcher l'élément de liaison d'interférer avec une surface d'appui du second élément de pression et de générer un bruit de choc quand la pédale d'embrayage retourne à la position d'origine, ledit élément formant tampon en caoutchouc étant disposé dans un espace séparant le premier rebord saillant et la bride lorsque la pédale d'embrayage est enfoncée et le premier élément de pression présente la longueur naturelle.
PCT/JP2014/059273 2014-03-28 2014-03-28 Dispositif de réduction de force de pédale WO2015145760A1 (fr)

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PCT/JP2014/059273 WO2015145760A1 (fr) 2014-03-28 2014-03-28 Dispositif de réduction de force de pédale

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Application Number Priority Date Filing Date Title
PCT/JP2014/059273 WO2015145760A1 (fr) 2014-03-28 2014-03-28 Dispositif de réduction de force de pédale

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59134824U (ja) * 1983-02-25 1984-09-08 日産自動車株式会社 クラツチペダル踏力補助装置
JPS6039134U (ja) * 1983-08-22 1985-03-18 豊田鉄工株式会社 操作ペダルのタ−ンオ−バ装置
JP2010090949A (ja) * 2008-10-06 2010-04-22 Toyota Motor Corp クラッチペダルの操作力軽減装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59134824U (ja) * 1983-02-25 1984-09-08 日産自動車株式会社 クラツチペダル踏力補助装置
JPS6039134U (ja) * 1983-08-22 1985-03-18 豊田鉄工株式会社 操作ペダルのタ−ンオ−バ装置
JP2010090949A (ja) * 2008-10-06 2010-04-22 Toyota Motor Corp クラッチペダルの操作力軽減装置

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