EP1222893A2 - Anordnung und Vorrichtung zum Bewegen eines schweren Teils - Google Patents

Anordnung und Vorrichtung zum Bewegen eines schweren Teils Download PDF

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Publication number
EP1222893A2
EP1222893A2 EP02290064A EP02290064A EP1222893A2 EP 1222893 A2 EP1222893 A2 EP 1222893A2 EP 02290064 A EP02290064 A EP 02290064A EP 02290064 A EP02290064 A EP 02290064A EP 1222893 A2 EP1222893 A2 EP 1222893A2
Authority
EP
European Patent Office
Prior art keywords
counterweight
cover
spring
hood
locking means
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Withdrawn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
EP02290064A
Other languages
English (en)
French (fr)
Other versions
EP1222893A3 (de
Inventor
Roger Curie
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.)
Ste de Constructions Elbeuvienne de Materiels our LAlimentation SAS
Original Assignee
Ste de Constructions Elbeuvienne de Materiels our LAlimentation SAS
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 Ste de Constructions Elbeuvienne de Materiels our LAlimentation SAS filed Critical Ste de Constructions Elbeuvienne de Materiels our LAlimentation SAS
Publication of EP1222893A2 publication Critical patent/EP1222893A2/de
Publication of EP1222893A3 publication Critical patent/EP1222893A3/de
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4251—Details of the casing
    • A47L15/4257—Details of the loading door
    • A47L15/4261—Connections of the door to the casing, e.g. door hinges
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/0076—Washing or rinsing machines for crockery or tableware of non-domestic use type, e.g. commercial dishwashers for bars, hotels, restaurants, canteens or hospitals
    • A47L15/0081—Washing or rinsing machines for crockery or tableware of non-domestic use type, e.g. commercial dishwashers for bars, hotels, restaurants, canteens or hospitals with vertical sliding closing doors, e.g. hood-type dishwashers

Definitions

  • the present invention relates to the field of displacement of a heavy element, in particular mobile cowls of machines able to be open in a translational movement, possibly combined with a other movement.
  • the invention proposes to remedy the drawbacks of the art prior.
  • the invention provides an automatic opening system for cover.
  • the invention proposes a system of displacement in automatic translation of a heavy element.
  • the system for translational movement of a heavy element comprises a counterweight and a spring secured to a end of the counterweight and at another end of a fixed point, a connecting means between the counterweight and the heavy element so that said heavy element rises when the counterweight descends and vice versa, and means for locking the weighing element in a position determined, the spring and the counterweight being dimensioned so that, the heavy element being in said determined position, the unlocking of the locking means causes the heavy element to move from said determined position to another position.
  • the weighing element may be a cover and the system may apply to the opening of said cover, the opening movement of the cover taking place in a vertical, inclined or horizontal plane.
  • Said determined position may be a closed position and said other position an open position, so that the opening can be carried out by controlling the locking means.
  • the means of locking is provided with an electrical control means.
  • the electrical control means may include an electromagnet and / or an interface with an external control link.
  • the connecting means includes a pulley rotatably mounted about a stationary axis and a flexible link passing through said pulleys and being fixed at one end to the counterweight and at another end to the heavy element.
  • the flexible link can be a cable.
  • the invention also provides a device for closing a opening, comprising a movable cover constituting the heavy element and a system as described above.
  • the device includes a plurality of hood guide rollers.
  • At least one roller can be secured to the hood and able to roll on a stationary runway. At least one roller can be of fixed axis and suitable for ride on a track secured to the hood.
  • the locking means may include a keeper capable of lock the cover in said determined position.
  • the locking means may include a tilting lever pivotally mounted at one end on the keeper and at an opposite end to a movable element of the electrical control means.
  • the tracks on which the rollers roll can be formed by surfaces of a metal profile having a section concave transverse.
  • the cover comprises a handle of maneuver, for example to bring it back into said other position.
  • the cover comprises a blocking surface capable of cooperating with the locking means.
  • Said surface can be concave.
  • Said surface can be formed by driving in a flat wall of the cover or by an attached part.
  • the counterweight may include masses housed in a housing.
  • the present invention also provides a machine equipped of such a device, in particular a washing or cooking machine discontinuous or continuous operation.
  • the opening of the movable cover is controlled from the programmer or supervisor of the machine washing, so that the cover opens at the end of washing by unlocking the means of locking and automatic raising of the hood without operator intervention.
  • the operator can then exit the machine washed objects and close the hood by pulling down the handle maneuver.
  • the closing movement requires only a small effort in due to the presence of both a counterweight and a spring, the spring being relatively relaxed in the open position of the cover, and low friction of the whole system.
  • the system includes a cover 1 movable relative to a frame 2 which can either rest on the ground, either be fixed to a machine intended to be closed by the cover 1 and which, for reasons of clarity of the drawing, has not been shown.
  • the device further comprises a pulley 3, a set of lock 4, a counterweight 5, a spring 6, one end of which is fixed to a fixed point 7 secured to the frame 2 and the other end of which is secured to the counterweight 5, and a cable 8 fixed at one end to a point 9 of the cover 1 and to the opposite end to the counterweight 5.
  • the pulley 3 has a fixed axis, integral of an upper end of the frame 2 and able to rotate. All lock 4 is secured to the frame 2 and disposed under the pulley 3 and will described in more detail with reference to FIG. 3.
  • the counterweight 5 comprises a housing 5a in which are arranged a plurality of masses 5b allowing precise adjustment of the total mass of said counterweight 5.
  • the cable 8 opposite the point 9 crosses the housing 5a of the counterweight 5 and is fixed on the end of the spring 6 opposite the fixed point 7.
  • the cable can be replaced by a chain or belt.
  • the pulley 3 can be replaced by a pinion.
  • the device can include two pulleys 3, two sets of lock 4, two counterweights 5, two springs 6, and two cables 8, each on one side of the frame 2.
  • the two pulleys 3 can be linked by rotation or on the contrary free relative to each other.
  • the device also includes two rollers 10 with an integral axis of the cover 1 and a roller 11 of fixed axis integral with the frame 2.
  • the cover 1 is equipped with a handle 12 arranged near its end lower, on the opposite side to point 9, and allowing the operation of said cover 1 by an operator.
  • the cover 1 In the position illustrated in FIG. 1, the cover 1 is in shutter position or lower position, which corresponds to a stretched state of the spring 6 in which the spring 6 exerts a significant tensile force on cable 8.
  • the locking assembly 4 is better visible in FIG. 3.
  • the cover 1 is provided on a lateral surface 13 parallel to the axis of sound translational movement, of a portion of concave surface 14 which can be formed by depressing the surface 13.
  • the locking assembly 4 comprises a keeper 15, suitable for slide relative to the frame 2 in translation, for example horizontally, so that it can project into the hollow formed by the concave surface 14 or on the contrary withdraw therefrom, a lever 16 capable of pivot around an axis 17 integral with the frame 2 and articulated on one end keeper 15 opposite its end capable of projecting into the hollow formed by the concave surface 14, and an electromagnet 18 with a movable core of which only the end 19 is shown.
  • the end 19 is also articulated on the lever 16 so that the displacement of the end 19 of the movable core of the electromagnet 18 is able to cause displacement of the keeper 15 thus commanding its engagement in the hollow formed by the concave surface 14 or its clearance.
  • the maneuvering of the movable cover 1 can be carried out in the manner next. From the low position, illustrated in FIG. 1, the assembly 4 therefore being in the locked position, an operator causes unlocking, either by directly operating lever 16, either by operating it via a control button, not shown, acting on the electromagnet 18. Unlocking can also be automatic.
  • the keeper 15 comes out of the concave surface 14, which releases the cover 1 which goes back to the position illustrated in Figure 2, under the effort of traction exerted by the counterweight 5 and the spring 6 which descend gradually, the cable 8 rotating the pulley 3, and the spring 6 gradually shortening, until the movable cover 1 is in the position illustrated in figure 2.
  • the assembly of locking 4 remains in the unlocked state, the end of the keeper 15 being at a sufficient distance from the surface 13.
  • FIG. 4 illustrates, by way of example, the mounting of the rollers 10 and 11.
  • a roller 10 has an axis integral with the cover 1 and is in contact with an angle 20 secured to the frame 2, angle 20 which is completed by a profile 21 forming a guide rail.
  • the roller 10 is close to or in contact on one side with a flat track 22, and on the other side with a track concave 23, for example formed by two surface portions forming a V.
  • the roller 11 has an axis integral with the frame 2, for example mounted on the angle 20 and comes into contact with an angle 24 of the cover 1 and with a section 25 providing the roller 11 with a flat raceway 26 and a track of concave opposite bearing 27, for example formed by two portions of V-shaped surface. It can therefore be seen that the cover 1 is perfectly maintained by relative to the frame 2 while being able to move in translation. In variant, it is possible to provide rollers with an axis perpendicular to the cover.
  • FIG. 5 is a force diagram with the abscissa the vertical position of the cover and on the ordinate the force exerted on the cover by the cable 8.
  • the counterweight 5 exerts a constant force independent of the vertical position of the cover.
  • the spring 6 exerts a force evolving linearly as a function of the vertical position of the cover. We therefore sees that at the low point of the hood, the force exerted on it is higher than that which it undergoes at the high point.
  • We size the counterweight and the spring as a function of the mass of the mobile elements formed by the cover 1 and the associated elements such as the handle 12, the rollers 10, etc., so that at the highest point the force exerted on the hood is substantially equal to the minimum force required to raise the hood. Account given friction, this ensures that the end of the ascent movement of the hood is done slowly without abrupt stop on a stop.
  • the locking assembly 4 includes a keeper 15, able to slide relative to the frame 2 in translation, for example horizontally, so that it can project into the hollow formed by the concave surface 14 or on the contrary withdraw therefrom, an electromagnet 18 to movable core 29 integral with the keeper 15, a return spring 27, and a operating handle 28 for manual actuation of the assembly of locking 4.
  • the displacement of the movable core 29 of the electromagnet 18 is able to cause the movement of the keeper 15 thus controlling its engagement in the hollow formed by the concave surface 14 or its clearance.
  • the invention applies, in particular, to the opening of a wash the dishes with automatic raising of the hood when the washing is finished. Closing takes place by manual action, the effort to exercise on the remaining weak handle, in order to allow the starting of the washing cycle automatically when the hood is closed or by manual solicitation. You can fine-tune the tensile force that must exercise the operator wishing to close the hood.
  • the locking assembly includes an electromagnet.
  • any actuator allowing performing this function can be envisaged.

Landscapes

  • Mechanical Control Devices (AREA)
  • Washing And Drying Of Tableware (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
EP02290064A 2001-01-15 2002-01-11 Anordnung und Vorrichtung zum Bewegen eines schweren Teils Withdrawn EP1222893A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0100477A FR2819502B1 (fr) 2001-01-15 2001-01-15 Systeme et dispositif de deplacement d'un element pesant
FR0100477 2001-01-15

Publications (2)

Publication Number Publication Date
EP1222893A2 true EP1222893A2 (de) 2002-07-17
EP1222893A3 EP1222893A3 (de) 2004-12-15

Family

ID=8858818

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02290064A Withdrawn EP1222893A3 (de) 2001-01-15 2002-01-11 Anordnung und Vorrichtung zum Bewegen eines schweren Teils

Country Status (2)

Country Link
EP (1) EP1222893A3 (de)
FR (1) FR2819502B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2165636A1 (de) * 2008-09-23 2010-03-24 Bonferraro S.p.A. Gewerblicher Haubengeschirrspülmaschine
CN111204688A (zh) * 2020-02-13 2020-05-29 黄河科技学院 一种仓库货架用升降设备的控制方法
US20200357219A1 (en) * 2018-02-02 2020-11-12 Jukka Llc Automated side opening oven door for a vending machine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB792583A (en) * 1955-02-12 1958-04-02 Ingeniors N Elreco A B Fa Improvements in or relating to mechanism for actuating vertically sliding shutters or the like for dish-washing machines and the like
GB968084A (en) * 1960-06-02 1964-08-26 E C S Coventry Ltd Improved automatic door gear
US3246938A (en) * 1963-11-18 1966-04-19 Tore H Noren Mechanism for holding dishwashing machine door closed and for raising door
FR2686367A1 (fr) * 1992-01-22 1993-07-23 Estpm Dispositif d'equilibrage permanent pour charges suspendues, notamment pour portes basculantes de parkings ou de garages.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB792583A (en) * 1955-02-12 1958-04-02 Ingeniors N Elreco A B Fa Improvements in or relating to mechanism for actuating vertically sliding shutters or the like for dish-washing machines and the like
GB968084A (en) * 1960-06-02 1964-08-26 E C S Coventry Ltd Improved automatic door gear
US3246938A (en) * 1963-11-18 1966-04-19 Tore H Noren Mechanism for holding dishwashing machine door closed and for raising door
FR2686367A1 (fr) * 1992-01-22 1993-07-23 Estpm Dispositif d'equilibrage permanent pour charges suspendues, notamment pour portes basculantes de parkings ou de garages.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2165636A1 (de) * 2008-09-23 2010-03-24 Bonferraro S.p.A. Gewerblicher Haubengeschirrspülmaschine
US20200357219A1 (en) * 2018-02-02 2020-11-12 Jukka Llc Automated side opening oven door for a vending machine
CN111204688A (zh) * 2020-02-13 2020-05-29 黄河科技学院 一种仓库货架用升降设备的控制方法

Also Published As

Publication number Publication date
FR2819502B1 (fr) 2003-05-02
FR2819502A1 (fr) 2002-07-19
EP1222893A3 (de) 2004-12-15

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