EP0959217B1 - Ensemble pour l'actionnement hydraulique d'un hayon arrière - Google Patents

Ensemble pour l'actionnement hydraulique d'un hayon arrière Download PDF

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Publication number
EP0959217B1
EP0959217B1 EP99890104A EP99890104A EP0959217B1 EP 0959217 B1 EP0959217 B1 EP 0959217B1 EP 99890104 A EP99890104 A EP 99890104A EP 99890104 A EP99890104 A EP 99890104A EP 0959217 B1 EP0959217 B1 EP 0959217B1
Authority
EP
European Patent Office
Prior art keywords
valve
pressure
working cylinder
proportional pressure
mechanism according
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
EP99890104A
Other languages
German (de)
English (en)
Other versions
EP0959217A2 (fr
EP0959217A3 (fr
Inventor
Gerhard Huber
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.)
Hoerbiger Hydraulik GmbH
Original Assignee
Hoerbiger Hydraulik GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hoerbiger Hydraulik GmbH filed Critical Hoerbiger Hydraulik GmbH
Publication of EP0959217A2 publication Critical patent/EP0959217A2/fr
Publication of EP0959217A3 publication Critical patent/EP0959217A3/fr
Application granted granted Critical
Publication of EP0959217B1 publication Critical patent/EP0959217B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/40—Safety devices, e.g. detection of obstructions or end positions
    • E05F15/49—Safety devices, e.g. detection of obstructions or end positions specially adapted for mechanisms operated by fluid pressure, e.g. detection by monitoring transmitted fluid pressure
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/10—Electronic control
    • E05Y2400/32—Position control, detection or monitoring
    • E05Y2400/322—Position control, detection or monitoring by using absolute position sensors
    • E05Y2400/326—Position control, detection or monitoring by using absolute position sensors of the angular type
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/40—Mounting location; Visibility of the elements
    • E05Y2600/46—Mounting location; Visibility of the elements in or on the wing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/53—Type of wing
    • E05Y2900/546—Tailboards, tailgates or sideboards opening upwards
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20561—Type of pump reversible
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30505—Non-return valves, i.e. check valves
    • F15B2211/3051—Cross-check valves

Definitions

  • the invention relates to a hydraulic actuation arrangement for a Trunk lid, a cover flap or the like on a vehicle, with at least a double-acting hydraulic working cylinder, the in the assembled state on the one hand on Vehicle and on the other hand is hinged to the cover flap and its Workrooms each with a check valve with one side of each switchable pressure source are connected, the two check valves have a mutual unlocking device and each of the work rooms parallel to the non-return valves via a control valve in the tank Bias valve is kept at a certain pressure level.
  • a hydraulic actuation arrangement for a Trunk lid, a cover flap or the like on a vehicle, with at least a double-acting hydraulic working cylinder, the in the assembled state on the one hand on Vehicle and on the other hand is hinged to the cover flap and its Workrooms each with a check valve with one side of each switchable pressure source are connected, the two check valves have a mutual unlocking device and each of the work rooms parallel to the non-return valves
  • Such arrangements are known and enable, for example, the automatic actuation of vehicle doors, bonnets, maintenance flaps or also of cover flaps of the trunk or of a folding roof Space.
  • the preload valve enables the cover flap to move in a controlled manner in this state, for example, by hand, such as an emergency closing to allow against a force specified by the preload valve.
  • the object of the present invention is to provide a known hydraulic actuation arrangement to improve the type described above so that the disadvantages described to be avoided and that in particular in a simple and safe manner passive pinch protection is implemented.
  • the proportional pressure valve designed as a normally closed valve, whereby the desired holding function of the cylinder when operated manually by the two Preload valves is guaranteed.
  • the proportional pressure valve can be open when de-energized Be designed valve, which allows a simpler construction.
  • a connection of the connections of the working cylinder is provided via a changeover valve
  • the to Proportional pressure valve leading line attaches to the changeover valve and alternately with the connection of the working cylinder supplied by the pressure source connected is.
  • This can be done in terms of construction and equipment both the retraction and extension of the working cylinder by means of a Proportional pressure valve and possibly a preload valve in the sense of a optimal passive pinch protection can be controlled.
  • the recognizes Control electronics by querying the actuating element of the control or of the sensors provided anyway the direction of movement and selects the associated one saved control curve for the proportional pressure valve to its Power off.
  • Fig. 1 shows a schematic arrangement according to the present Invention in a vehicle
  • Fig. 2 shows a schematic hydraulic Circuit diagram of an arrangement
  • Fig. 3 shows one schematic hydraulic circuit diagram of an alternative embodiment.
  • FIG. 1 The arrangement shown in Fig. 1 for hydraulic actuation of a Cover flap, a boot lid or other movable vehicle part 1 on a vehicle 2 has at least one double-acting hydraulic Working cylinder 3 on the one hand on the vehicle 2 and on the other the cover flap 1 is articulated.
  • the workrooms not shown here of the working cylinder 3 are via lines 4, 5 with a hydraulic unit 6 connected, which via a connecting line 7 with the electrical Vehicle 2 electrical system is connected.
  • the working cylinder 3 is also fixed relative to the vehicle 2 could be mounted.
  • the 2 is the combination of hydraulic unit 6 and Lines 4, 5 connected cylinder 3 shown in more detail.
  • the two working spaces 8, 9 of the working cylinder 3 are via the lines 4, 5 and each with a check valve 10, 11 arranged in the hydraulic unit 6 one side of a switchable pressure source 12 (formed here Pump including drive motor) in connection.
  • the two check valves 10, 11 are connected via lines 13, 14 and can be unlocked from each other. about one bias valve 15, 16, the two working spaces 8, 9 are parallel to the check valves 10, 11 are shut off into the tank 17 as soon as an adjustable one Pressure levels are reached or exceeded.
  • the preload valves 15, 16 are via lines 18, 19 and the pump side in front of the check valves 10, 11 prevailing pressure can be shut off hydraulically.
  • a connecting line with a changeover valve 21 interposed between the line 4 to the piston-side working space 8 of the working cylinder 3 and the line 5 to the rod-side work space 9 is behind the Check valves 10, 11 a connecting line with a changeover valve 21 interposed.
  • This switching valve 21 alternately connects that of lines 4 or 5 with a line 22, which from the pressure source 12th is supplied with pressure medium. Via the line 22 is the cylinder 3 supplied pressure also at a proportional pressure valve 23. This is executed normally closed in the embodiment of FIG. 2, so that , the bias valves 15 and 16 their holding function when the actuator assembly is de-energized meet and the cover flap 1. Like. In the respective position can hold.
  • the function of the arrangement shown is as in FIG. 2 illustrated explained.
  • the Working cylinder 3 When opening or closing hydraulically, the Working cylinder 3 off or on.
  • the motor of the pump of the pressure source 12 is energized, the pump runs and supplies pressure medium via the check valves 10 or 11 in the piston-side working space 8 or the rod-side Working room 9. This is on the same side via lines 18 and 19 such as the bias valve 15 or 16 controlled.
  • the pressure in the work area 8 or 9 can vary up to the value build up at which the proportional pressure valve 23 opens. This pressure is predetermined by the control curve, which is stored in the control electronics.
  • a typical control curve becomes a at the beginning of the opening movement provide higher current so that the extension and overcoming of the initial resistance is accomplished with a higher force.
  • the kinematics too and the leverage ratios are rather disadvantageous at the beginning, so that a higher force is required.
  • the pressure and the force generated by it are only set to a value that is just sufficient to carry out or continue the opening movement in the respective phase can. Unnecessary and in the event of obstacles in the way of the cover flap 1 too Damages or injuries leading to excess power are avoided.
  • the proportional pressure valve less energized.
  • the cover flap 1 (Fig. 1) opens or closes hydraulically to the stop in the working cylinder 3.
  • the volume of the rod-side working space 9 flows when opened via the hydraulically controlled via line 14
  • the hydraulic system provides counterweight or counterforce on the cover flap 1 overall the force regulated at the proportional pressure valve 23. The pump runs until the cover flap 1 is open and is then switched off.
  • a biasing valve 24 is used in the Line 22 between the changeover valve 21 and the proportional pressure valve 23, which is designed to be open when de-energized.
  • This bias valve 24 is via a control line 25 from the pressure source 12 or the pressure prevailing on the side of the check valve 11.
  • This is again - with a relatively simple design of the proportional pressure valve 23 - ensures that the cover flap 1 or the like Actuating arrangement 6 by the at the preset value of Bias valve 24 increasing pressure held in the respective position is.
  • a cover flap 1 according to FIG. 1 could be the inventive arrangement of course also for the actuation of vertical ones when closed Tailgates can be used for example a station wagon or a bus.
  • Other application examples would be e.g. Vehicle doors, maintenance or ventilation flaps and the like.

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Lock And Its Accessories (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Superstructure Of Vehicle (AREA)

Claims (6)

  1. Agencement d'actionnement hydraulique pour un hayon, un capote de couverture ou similaire (1) sur un véhicule, comportant au moins un cylindre de travail hydraulique à double effet (3) qui, dans l'état monté, est fixé en articulation d'une part sur le véhicule et d'autre part sur la capote de couverture et dont les chambres de travail (8, 9) sont en liaison chacune avec un côté d'une source de pression réversible (12) via un clapet anti-retour respectif (10, 11), les deux clapets anti-retour comprenant un dispositif de déblocage mutuel et chacune des chambres de travail étant maintenue à un certain niveau de pression parallèlement aux clapets anti-retour via une valve de précontrainte (15, 16) reliée au réservoir, caractérisé en ce que dans au moins une conduite de raccordement (4, 5) vers le cylindre de travail (3), une conduite (22) débouche vers le réservoir (17), dans laquelle est mise en place une valve de pression proportionnelle (23) qui est pilotée par l'unité électronique de commande suivant au moins une courbe de commande mémorisée dans celle-ci en correspondance de la pression justement nécessaire pour déplacer la capote de couverture (1) ou similaire.
  2. Agencement selon la revendication 1, caractérisé en ce que la valve de pression proportionnelle (23) est réalisée sous la forme d'une valve fermée sans courant.
  3. Agencement selon la revendication 1, caractérisé en ce que la valve de pression proportionnelle (23) est réalisée sous la forme d'une valve ouverte sans courant.
  4. Agencement selon la revendication 3, caractérisé en ce qu'une valve de précontrainte (24) est mise en place entre le cylindre de travail (3) et la valve de pression proportionnelle (23).
  5. Agencement selon la revendication 4, caractérisé en ce qu'une conduite de commande (25) s'étend depuis la valve de sélection (20) ou depuis la source de pression (12) jusqu'à la valve de précontrainte (24) dans la conduite (22).
  6. Agencement selon l'une au moins des revendications précédentes, caractérisé en ce qu'il est prévu une liaison des raccords du cylindre de travail (3) via une valve d'inversion (21), et la conduite (22) menant vers la valve de pression proportionnelle (23) part de la valve d'inversion (21) et est reliée en alternance avec celui des raccords du cylindre de travail (3) qui est alimenté par la source de pression (12).
EP99890104A 1998-05-22 1999-03-24 Ensemble pour l'actionnement hydraulique d'un hayon arrière Expired - Lifetime EP0959217B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0088198A AT405749B (de) 1998-05-22 1998-05-22 Anordnung zur hydraulischen betätigung eines heckdeckels
AT88198 1998-05-22

Publications (3)

Publication Number Publication Date
EP0959217A2 EP0959217A2 (fr) 1999-11-24
EP0959217A3 EP0959217A3 (fr) 2002-11-13
EP0959217B1 true EP0959217B1 (fr) 2004-01-14

Family

ID=3501983

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99890104A Expired - Lifetime EP0959217B1 (fr) 1998-05-22 1999-03-24 Ensemble pour l'actionnement hydraulique d'un hayon arrière

Country Status (5)

Country Link
US (1) US6067021A (fr)
EP (1) EP0959217B1 (fr)
JP (1) JP2000120606A (fr)
AT (1) AT405749B (fr)
DE (1) DE59908279D1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT409656B (de) 1999-10-18 2002-10-25 Hoerbiger Hydraulik Hydraulische betätigungsanordnung
AT409158B (de) * 1999-11-26 2002-06-25 Hoerbiger Hydraulik Hydraulische betätigungsanordnung
AT409521B (de) * 2000-06-06 2002-09-25 Hoerbiger Hydraulik Betätigungsanordnung für schwenkbare teile an fahrzeugen
US6568495B1 (en) 2000-08-02 2003-05-27 Asc Incorporated Automotive vehicle hood system
US6719349B2 (en) * 2002-03-08 2004-04-13 Caterpillar S.A.R.L. Tailgate assembly
AT412112B (de) * 2002-09-30 2004-09-27 Hoerbiger Hydraulik Vorspannventil mit zumindest zwei schaltstufen sowie hydraulische betätigungsanordnung
US6991055B2 (en) * 2003-07-01 2006-01-31 General Motors Corporation Motorized cover system and method of use thereof
DE102004029409A1 (de) * 2004-06-18 2006-01-05 Jungheinrich Ag Druckmittelbetätigte Stelleinrichtung, insbesondere für eine Fahrzeuglenkvorrichtung
WO2006002450A1 (fr) * 2004-06-30 2006-01-12 Magna Drivetrain Ag & Co Kg Systeme hydraulique pour commander deux embrayages d'une boite de vitesses
NL1031722C2 (nl) * 2006-04-28 2007-10-30 Actuant Corp Hydraulische bedieningsinrichting voor een afsluitsamenstel voor een opening in een voertuigcarrosserie.
AT504791B1 (de) * 2007-04-23 2008-08-15 Hoerbiger Automatisierungstech Pumpenanordnung
DE102009027794B3 (de) * 2009-07-17 2010-10-28 Reinhold Schulte Stelleinrichtung für eine Verschwenkung einer Klappe eines Fahrzeugs
WO2018077330A1 (fr) * 2016-10-27 2018-05-03 Schaeffler Technologies AG & Co. KG Système hydraulique comprenant un capteur de pression et une soupape
CN108691850B (zh) * 2018-07-03 2019-12-24 武汉海王机电工程技术有限公司 一种超高压泄压系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4533908A (en) * 1981-12-09 1985-08-06 Yasui Sangyo Co., Ltd. Warning means for a safety valve of a hydraulic power unit and a hydraulic power unit having the same
US5110175A (en) * 1991-07-26 1992-05-05 Wickes Manufacturing Company Convertible with automatic window operation
AT399130B (de) * 1992-03-18 1995-03-27 Hoerbiger Fluidtechnik Gmbh Anordnung zur hydraulischen betätigung eines fahrzeugverdeckes
AT396613B (de) * 1992-05-15 1993-10-25 Hoerbiger Fluidtechnik Gmbh Hydraulische betätigungsanordnung für ein fahrzeugverdeck
AT400610B (de) * 1993-06-16 1996-02-26 Hoerbiger Ventilwerke Ag Druckmittel-schaltungsanordnung
NL9401191A (nl) * 1994-07-20 1996-03-01 Applied Power Inc Hydraulische schakeling.
AT403785B (de) * 1996-04-24 1998-05-25 Hoerbiger Gmbh Hydraulische betätigungsanordnung

Also Published As

Publication number Publication date
ATA88198A (de) 1999-03-15
US6067021A (en) 2000-05-23
JP2000120606A (ja) 2000-04-25
EP0959217A2 (fr) 1999-11-24
AT405749B (de) 1999-11-25
EP0959217A3 (fr) 2002-11-13
DE59908279D1 (de) 2004-02-19

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