EP0382911B1 - Dispositif de commande d'un embrayage d'automobile - Google Patents

Dispositif de commande d'un embrayage d'automobile Download PDF

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Publication number
EP0382911B1
EP0382911B1 EP89122255A EP89122255A EP0382911B1 EP 0382911 B1 EP0382911 B1 EP 0382911B1 EP 89122255 A EP89122255 A EP 89122255A EP 89122255 A EP89122255 A EP 89122255A EP 0382911 B1 EP0382911 B1 EP 0382911B1
Authority
EP
European Patent Office
Prior art keywords
pedal
bearing
lever arm
spring
connecting lid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP89122255A
Other languages
German (de)
English (en)
Other versions
EP0382911A1 (fr
Inventor
Hans Uwe Dipl.-Ing. Baumann (Fh)
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.)
Dr Ing HCF Porsche AG
Original Assignee
Dr Ing HCF Porsche 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 Dr Ing HCF Porsche AG filed Critical Dr Ing HCF Porsche AG
Publication of EP0382911A1 publication Critical patent/EP0382911A1/fr
Application granted granted Critical
Publication of EP0382911B1 publication Critical patent/EP0382911B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G05G1/46—Means, e.g. links, for connecting the pedal to the controlled unit
    • 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
    • Y10T74/20558—Variable output force
    • Y10T74/2057—Variable input leverage

Definitions

  • the invention relates to an actuating device for a motor vehicle clutch according to the preamble of claim 1.
  • a force support is obtained with a relatively large pivoting angle of the pedal due to the lever arm that is formed, which only occurs after the dead center position has been exceeded increases slightly.
  • a clutch pedal with a support spring is known from GB-A-826 459, which is attached on the one hand to the pedal and on the other hand to a bearing block of the vehicle body.
  • the object of the invention is to provide a fastening device of the type characterized in the preamble of claim 1, which causes a steep increase in power assistance after the dead center position has been exceeded.
  • the stored spring force from the tension spring acts as a support moment on the pedal, in particular when it is actuated in a disengaged position.
  • This support results after going through the Dead center position a steep response, which is essentially achieved by the arrangement and storage of the push rod and the tension spring. So the push rod can pivot around the bearing point on the lever arm of the pedal and the spring around its fixed point on the body with the push rod. Even in the case of a small pivoting angle of the pedal, this advantageously brings about an abruptly increasing support torque.
  • the actuating device achieves a quick response behavior with a steeply increasing support torque and good tunability when using a few simple components.
  • the actuating device for a clutch consists essentially of a clutch pedal 1 with pedal plate 2, which is articulated about a pivot axis 3 on the vehicle body 4.
  • the pedal 1 has a protruding lever arm 5 which is connected via a bearing point formed by a pivot bearing 6 to a push rod 7, on which a tension spring 10 articulated on the vehicle body 4 in a fixed point 9 is held in an opposite bearing 8.
  • the push rod 7 consists of a U-shaped bracket, the legs 13, 14 of which have the bearings 6 and 8, respectively. Between these legs 13, 14, the spring 10 is arranged embedded.
  • the bearing 6 of the push rod 7 on the lever arm 5 is arranged with the smallest possible distance a from the fixed point 9 of the tension spring 10. As can be seen in more detail in FIG. 1, the distance a corresponds approximately to half the width b of the lever arm 5.
  • the push rod 7 pivots with the pedal 1 in the direction of the arrow 15 around the bearing 6 and the tension spring 10 around the fixed point 9, which contracts during this process.
  • position B of the push rod 7 the end position of the pedal 1 is reached, the support lever arm having reached its maximum value and an action line 16 extending at an acute angle ⁇ to the action line 11.
  • FIG. 3 shows the course of the line of action between the pedal position with the clutch disengaged and the clutch engaged.
  • the line of action 11 when the clutch is engaged causes a lever arm 17, by means of which a restoring torque of the pedal 1 for holding in the rest position is generated.
  • the pedal 1 is actuated in the direction of the arrow 15, the line of action 11 passes through the bearing 3 of the pedal 1 and establishes a dead center position with a line of action 11a.
  • a line of action 16a for example, generates a support moment for the pedal 1 via the lever arm 18, which increases as a function of the pivoting angle of the pedal 1 in the direction of the arrow 15 and its maximum value with the line of action 16 and can reach the lever arm 19.
  • the course of the support torque over the pedal travel results from the coordination of the kinematics and the spring characteristics, so that, as described above, the maximum value can also be reached before the line of action and with the line of action 16 there is even a lower support torque.

Claims (3)

  1. Dispositif d'actionnement d'un embrayage de véhicule automobile, comportant une pédale (1) qui est soumise à l'action d'un ressort de traction (10) précontraint lequel s'articule par une extrémité en un point fixe (9) côté carrosserie et à l'autre extrémité, dans un appui (8), sur une tige de pression (7) qui est montée dans un point d'appui (6) d'un bras de levier (5) de la pédale (1) et le ressort de traction (10) exerce une force de rappel maintenant la pédale (1) en position de repos et fournit une force, soutenant l'effort du pied, lors d'un actionnement après dépassement d'une position de point mort, dans lequel la tige de pression (7) est maintenue pivotante dans le point d'appui (6) du bras de levier (5) et la ligne d'action des forces (11) passe par le point fixe (9) côté carrosserie du ressort de traction (10) et par le centre de l'appui (6) de la tige de pression (7), caractérisé en ce que le point fixe (9) du ressort (10) se situe à une distance (a) du centre de l'appui (6) de la tige de pression (7), distance qui est égale à environ la moitié de la largeur (b) du bras de levier (5).
  2. Dispositif d'actionnement selon la revendication 1, caractérisé en ce que la tige de pression (7) s'articule sur le bras de levier (5) dans l'appui (6) qui est placé à la plus petite distance (a) possible du point fixe (9), côté carrosserie, du ressort de traction (10).
  3. Dispositif d'actionnement selon l'une des revendications précédentes, caractérisé en ce que la tige de pression (7) est formée par un étrier en U dont les branches (13, 14) présentent les appuis (6 et 8) et le ressort (10) est logé entre les branches (13, 14).
EP89122255A 1989-02-17 1989-12-02 Dispositif de commande d'un embrayage d'automobile Expired - Lifetime EP0382911B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3904837 1989-02-17
DE3904837A DE3904837A1 (de) 1989-02-17 1989-02-17 Betaetigungseinrichtung fuer eine kraftfahrzeugkupplung

Publications (2)

Publication Number Publication Date
EP0382911A1 EP0382911A1 (fr) 1990-08-22
EP0382911B1 true EP0382911B1 (fr) 1993-05-12

Family

ID=6374324

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89122255A Expired - Lifetime EP0382911B1 (fr) 1989-02-17 1989-12-02 Dispositif de commande d'un embrayage d'automobile

Country Status (4)

Country Link
US (1) US5038907A (fr)
EP (1) EP0382911B1 (fr)
DE (2) DE3904837A1 (fr)
ES (1) ES2041949T3 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5219056A (en) * 1992-07-13 1993-06-15 Rassieur Charles L Clutch lock-out assembly
DE19835574A1 (de) * 1998-08-06 2000-02-10 Mannesmann Sachs Ag Betätigungseinrichtung für pneumatische Kupplungsbetätigung mit Überlast- oder/und Fehlbedienungsschutz
US6186025B1 (en) 1999-03-24 2001-02-13 Teleflex, Inc. Break away pedal
DE19934238C1 (de) * 1999-07-21 2001-01-25 Fte Automotive Gmbh Vorrichtung zur Betätigung einer Kupplung, insbesondere für Kraftfahrzeuge
KR100316950B1 (ko) * 1999-08-10 2001-12-22 이계안 자동차의 브레이크페달 지지구조
BR9905185A (pt) 1999-09-10 2001-04-24 Volkswagen Do Brasil Ltda Oper Sistema de redução de esforço de acionamento de pedal de embreagem para veìculo automotores
DE10011760A1 (de) * 2000-03-10 2001-09-13 Audi Ag Vorrichtung zum Betätigen einer Betriebseinrichtung
DE10104665A1 (de) * 2001-02-02 2002-08-22 Zf Sachs Ag Ausrückvorrichtung
US7503235B2 (en) * 2004-05-14 2009-03-17 Intier Automotive Closures Inc. Pedal assembly
FR2918142B1 (fr) * 2007-06-27 2009-09-11 Renault Sas Dispositif d'assistance a l'actionnement d'une pedale d'embrayage.
US8650984B2 (en) * 2011-03-22 2014-02-18 Ksr Technologies Co. Electronic clutch pedal assembly having varying resistance
CN107066025B (zh) * 2017-06-09 2019-03-05 浙江泰鸿万立科技股份有限公司 可调操作力的脚踏板
CN107132873A (zh) * 2017-06-09 2017-09-05 浙江泰鸿机电有限公司 带弹簧防脱及开关防失效保护的脚踏板总成
CN113217558A (zh) * 2021-05-31 2021-08-06 江苏沃得农业机械股份有限公司 一种拖拉机离合操纵助力机构及助力方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1804903A (en) * 1927-03-31 1931-05-12 Ernest E Wemp Lever booster
US2096151A (en) * 1936-08-08 1937-10-19 Gen Motors Corp Clutch pedal return spring
US2321513A (en) * 1940-08-30 1943-06-08 Borg Warner Friction clutch
FR1181194A (fr) * 1956-08-16 1959-06-12 Daimler Benz Ag Tringlerie de manoeuvre d'embrayage pour véhicules automobiles, en particulier pour véhicules lourds
GB872854A (en) * 1959-01-24 1961-07-12 Opel Adam Ag Improvements in clutch control
DE1152896B (de) * 1960-03-01 1963-08-14 Saab Scania Ab Betaetigungseinrichtung, insbesondere fuer Kraftfahrzeugkupplungen
US3112820A (en) * 1960-12-22 1963-12-03 Gen Motors Corp Control linkage
US3199366A (en) * 1960-12-22 1965-08-10 Gen Motors Corp Control linkage
DE1186752B (de) * 1963-02-02 1965-02-04 Bayerische Motoren Werke Ag Anordnung eines Fusshebels fuer Kraftfahrzeuge, insbesondere des Kupplungshebels fuer Personenkraftwagen
US3199367A (en) * 1963-04-15 1965-08-10 Gen Motors Corp Actuating mechanism
US3302763A (en) * 1964-11-06 1967-02-07 Gen Motors Corp Clutch pedal with spring assist
DE1902895A1 (de) * 1969-01-22 1970-08-20 Bayerische Motoren Werke Ag Anordnung eines Fusshebels fuer Kraftfahrzeuge,insbesondere des Kupplungshebels fuer Personenkraftwagen
US4522082A (en) * 1982-04-16 1985-06-11 Honda Giken Kogyo Kabushiki Kaisha Pedal assist apparatus
DE3417814A1 (de) * 1984-05-14 1985-11-14 Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart Betaetigungsvorrichtung, insbesondere kupplungsbetaetigungsvorrichtung fuer kraftfahrzeuge
FR2564999B1 (fr) * 1984-05-28 1987-02-13 Valeo Commande motorisee, d'encombrement reduit, d'un dispositif d'accouplement tel qu'embrayage, variateur de vitesse, frein ou analogue
JPS62196733U (fr) * 1986-02-27 1987-12-14
DE3636748C1 (de) * 1986-10-29 1987-05-27 Daimler Benz Ag Betaetigungsgestaenge fuer eine Kupplung

Also Published As

Publication number Publication date
DE58904356D1 (de) 1993-06-17
EP0382911A1 (fr) 1990-08-22
US5038907A (en) 1991-08-13
ES2041949T3 (es) 1993-12-01
DE3904837A1 (de) 1990-08-23

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