EP2003082B1 - Motorisierte Tür für Fahrkörbe von Aufzügen - Google Patents

Motorisierte Tür für Fahrkörbe von Aufzügen Download PDF

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Publication number
EP2003082B1
EP2003082B1 EP08445022A EP08445022A EP2003082B1 EP 2003082 B1 EP2003082 B1 EP 2003082B1 EP 08445022 A EP08445022 A EP 08445022A EP 08445022 A EP08445022 A EP 08445022A EP 2003082 B1 EP2003082 B1 EP 2003082B1
Authority
EP
European Patent Office
Prior art keywords
door
sections
chain
rail
pin
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.)
Active
Application number
EP08445022A
Other languages
English (en)
French (fr)
Other versions
EP2003082A1 (de
Inventor
Gunnar Sundström
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.)
Motala Hissar AB
Original Assignee
Motala Hissar AB
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 Motala Hissar AB filed Critical Motala Hissar AB
Publication of EP2003082A1 publication Critical patent/EP2003082A1/de
Application granted granted Critical
Publication of EP2003082B1 publication Critical patent/EP2003082B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02—Door or gate operation
    • B66B13/06—Door or gate operation of sliding doors
    • B66B13/08—Door or gate operation of sliding doors guided for horizontal movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/30—Constructional features of doors or gates
    • B66B13/303—Details of door panels
    • B66B13/305—Slat doors for elevators

Definitions

  • This invention is related to doors in elevator cages, that is doors which prevent elevator travellers and goods from coming in contact with the inner side of the elevator shaft at the movement up and down of the elevator.
  • doors In order to prevent these doors from encroaching the elevator space at opening it is known to fabricate them of vertical articulately connected door sections and that they at opening are pushed in along the side walls of the elevator cage, in particular on the outside thereof.
  • In order to achieve the opening and closing movement of a door of this type it is known to arrange, in one of the sections most distal from the opening side, a slot and a pivot arm gripping into this, said pivot arm displacing the door with its pivot movement.
  • a drawback with this solution is however that it in itself demand further space between the inside of the elevator cage and the inside of the shaft.
  • JP 2000 192723 known to suspend the door sections with suspending means that at the joints between the door sections extend into a rail with C-shaped cross section. Movement is achieved by a large circular, horizontal disc with peripheral recesses that grip the suspending means. The disc is arranged in a corner of the elevator cage. A considerable drawback of this construction is that rather narrow door sections must be used in order not increase the size of the disc and a reduction of the corner space. Narrow door sections however result in a weaker or heavier doors. A large sized disc also means an increase in required driving torque and a corresponding weight increasing gearing.
  • DE 0247463 describes a door comprising two door leaves that each are put together of vertically arranged rods.
  • the rods are pivotably connected to each other via connecting links.
  • two opposed turnable axles are arranged with starwheels that with their cogs grip between the rods.
  • the guides in which the door leaves min are bent backwards and have the shape of loops or spirals close to the elevator cage.
  • the object of the invention is to provide a less space requiring solution.
  • the sections are guided and possibly also supported in their upper ends in C-shaped rails with the opening facing downwards and that grip around protruding pins provided with washers or the like that rest on inward facing shelves or the like in the C-shaped rails.
  • the door sections arc articulately connected with each other at their edges, for instance with a female part and a male part.
  • Female and male parts have circular cross sections that allow a relative angle between the sections. Since the encircling angle of the female part is more than 180° a stable connection is achieved between the sections preventing these from being pushed apart and that can transfer pulling as well as pushing forces at the displacing of the door forth and back. Centered in each hinge or male part one of the protruding and supporting pins is arranged.
  • each supporting pin is further more fastened a separate piece of a drive chain, that is of the same type as a bicycle chain.
  • the chain can include one single link or several.
  • the pin is arranged concentric with one of the hinge axles of the chain or the link.
  • a pinion extends to transfer movement and force from a motor to the sectioned door. Since the pieces of chain are guided laterally in the rail they can transfer forces between sprocket and door both in the pulling and pushing direction.
  • the sprocket may be arranged at a straight part of the rail that guides the door or even better in a bend between door opening and elevator side or sides.
  • the chain pieces are also guided by the rail and has such a length or pitch that iL coincides with that of the sprocket.
  • the need of a space requiring pivot arm is eliminated and an efficient drive is achieved that can be located in the roof of the elevator.
  • the invention enables the use of a pitch for the sprocket that is smaller than that of the door sections, that if so is desired, can be made broader than what otherwise would have been practically possible.
  • the door sections supporting washers may be integrated with the chain link journaled on the pin and in particular it is possible to settle for use of one single chain link.
  • the above described device requires a minimum of space and is furthermore safe and durable.
  • broader door sections may be used and/or a smaller sprocket and a better use of the space may be achieved.
  • the slot in the C-rail for the insertion of the sprocket can be short which provides a lighter construction.
  • the use of broader door sections provide the torsionally stiffer and stronger door at a lower cost and the drive with separate chain pieces provide a soft and silent action.
  • FIG 1 depicts the upper edge of an elevator cage door in accordance with invention and Fig 2 a door section supporting pin and its rail profile.
  • the essentially mirrorlike arranged elevator doors shown in fig 1 consists of vertical sections 1 that are connected to each other by means of each other facing and in each other inserted male- and female profiles.
  • a supporting pin 2 is fastened, protruding vertically upwards.
  • an internal chain link like part is pivotable on the pin with one of its ends.
  • the internal chain link like part is separate from proximate chain parts and includes two washers 3 with two intermediate cylinders 4 that are turnable in relation to the washers 3. The upper washers rest on internal shoulders 5 in the supportive rail 6.
  • sprockets 8 extend in through openings 9 on the insides of the rail bends 7 and grip over the cylinders 4 of the chain links. The rotation of the sprockets 8 move the sections of the door halves between open and closed position.
  • the length of the washers or chain pieces or rather the distance between the rollers journaled in these is so dimensioned that the distance between these and the following male part (in a joint between sections) and its pin 2 coincide with the pitch of the sprocket at the location in the rail were the sprocket is or is intended to be arranged.
  • the chain pieces follow a part of a circular path while the distance between proximate pins correspond to a chord that consequently is shorter.
  • the peripheral pitch of the sprocket (as of the chain links) is larger at a bend than if the sprocket is arranged at a straight length of the guiding rail. This is also the reason why it is possible only to use separate not continuous chain pieces or single links at the drive so that the distance between these can change between curved or straight conditions for the door sections.
  • the drive in accordance with the invention can be made very compact even if it in a normal manner can be provided with a slipping coupling as well as different types of electronic supervising and control respectively.
  • the invention has above been described with sections that hang in a rail in the roof.
  • one of the two sprockets is driven by a motor that also via a cog belt drives the other sprocket, this cog belt being twisted 180° so that the directions of turning become opposite for the door halves on the right and left side respectively.

Landscapes

  • Elevator Door Apparatuses (AREA)
  • Types And Forms Of Lifts (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)

Claims (3)

  1. Aufzugstüre, umfassend gelenkig miteinander verbundene vertikale Abschnitte (1), die Zug- als auch Druckkräfte beim Vorschieben und Zurückziehen der Tür übertragen können, mit Führungsstiften (2), die konzentrisch zu den Achsen der Verbindungen zwischen den Abschnitten angeordnet sind und die sich in eine Schiene (6) erstrecken, welche die Abschnitte trägt, dadurch gekennzeichnet, dass an jedem Führungsstift (2) und konzentrisch dazu eine separate einzelne Verbindung oder Stücke einer Kette angelenkt und seitlich in der Schiene (6) geführt ist/sind, und dass Zahnräder (8) angeordnet sind, um nacheinander in die Kettenstücke für den Antrieb der Aufzugstüre einzugreifen.
  2. Aufzugstür nach Anspruch 1, dadurch gekennzeichnet, dass jeder Stift (2) mit einer Kettenverbindung in jeder Richtung versehen ist.
  3. Aufzugstüre nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass Kettenstücke oder zumindest eine Kettenverbindung, die an jedem Stift angelenkt ist, als Träger für dessen Türabschnitt (1) dient.
EP08445022A 2007-06-18 2008-06-16 Motorisierte Tür für Fahrkörbe von Aufzügen Active EP2003082B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0701499A SE532706C2 (sv) 2007-06-18 2007-06-18 Motoriserad hissdörr

Publications (2)

Publication Number Publication Date
EP2003082A1 EP2003082A1 (de) 2008-12-17
EP2003082B1 true EP2003082B1 (de) 2010-09-22

Family

ID=39714065

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08445022A Active EP2003082B1 (de) 2007-06-18 2008-06-16 Motorisierte Tür für Fahrkörbe von Aufzügen

Country Status (4)

Country Link
EP (1) EP2003082B1 (de)
AT (1) ATE482166T1 (de)
DE (1) DE602008002643D1 (de)
SE (1) SE532706C2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103086239B (zh) * 2012-11-19 2014-12-10 江南嘉捷电梯股份有限公司 轿厢折角开门结构
ES2751733T3 (es) * 2016-05-17 2020-04-01 Kone Corp Panel de puerta de ascensor
IT202100006812A1 (it) * 2021-03-22 2022-09-22 Tamara BANDI Ascensore

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2901371A1 (de) * 1979-01-15 1980-07-31 Walmue Badeoefen Christian Wal Wand zum verschliessen des zugangs einer duschkabine
DE3423786A1 (de) 1984-06-28 1986-01-09 C. Haushahn GmbH & Co, 7000 Stuttgart Antriebsvorrichtung zum oeffnen und schliessen einer tuer, vorzugsweise einer kabinentuer eines aufzuges
DE3624172A1 (de) 1986-05-23 1987-11-26 Walter Mayer Tuer fuer fahrkoerbe von aufzuegen
FR2614885B1 (fr) 1987-05-05 1989-06-30 Slycma Ste Lyon Const Mat Asce Mecanisme d'entrainement de portes de type accordeon pour cabines d'ascenseurs
US5036953A (en) * 1989-10-12 1991-08-06 Munz William E Retractable elevator door
JPH1150731A (ja) 1997-08-05 1999-02-23 Riko Kogyo Kk スライドドア
JP2000192723A (ja) 1998-12-28 2000-07-11 Norio Mitsui 扉構造

Also Published As

Publication number Publication date
SE0701499L (sv) 2008-12-19
SE532706C2 (sv) 2010-03-23
EP2003082A1 (de) 2008-12-17
ATE482166T1 (de) 2010-10-15
DE602008002643D1 (de) 2010-11-04

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