EP2557063B1 - Fahrkorbtürvorrichtung für aufzüge - Google Patents

Fahrkorbtürvorrichtung für aufzüge Download PDF

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Publication number
EP2557063B1
EP2557063B1 EP10848942.8A EP10848942A EP2557063B1 EP 2557063 B1 EP2557063 B1 EP 2557063B1 EP 10848942 A EP10848942 A EP 10848942A EP 2557063 B1 EP2557063 B1 EP 2557063B1
Authority
EP
European Patent Office
Prior art keywords
car door
car
doorsill
door panel
disposed
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.)
Not-in-force
Application number
EP10848942.8A
Other languages
English (en)
French (fr)
Other versions
EP2557063A1 (de
EP2557063A4 (de
Inventor
Keigo Yamamoto
Tatsuo Ueno
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP2557063A1 publication Critical patent/EP2557063A1/de
Publication of EP2557063A4 publication Critical patent/EP2557063A4/de
Application granted granted Critical
Publication of EP2557063B1 publication Critical patent/EP2557063B1/de
Not-in-force 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
    • B66B13/30—Constructional features of doors or gates
    • B66B13/308—Details of seals and joints
    • 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
    • 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
    • B66B13/301—Details of door sills

Definitions

  • the present invention relates to an elevator car door apparatus for elevators in which car sound insulation is sought such as very high-speed elevators that are installed in high-rise buildings, for example.
  • one method is to smooth air flow by making a shape of the cage a shape that has fewer irregularities, or by installing streamlined covers above and below the cage, for example.
  • adhesive members are disposed above and below a car doorway and above and below a door panel such that gaps around a car door are sealed by the adhesive members adhering to each other when the door panel is closed (see Patent Literature 1, for example).
  • a blocking apparatus that displaces vertically is disposed on a car door such that a gap between the car door and a car doorsill is sealed by the blocking apparatus when the car door is fully closed (see Patent Literature 2, for example).
  • a door rail that suspends the car door and a driving apparatus that opens and closes the car door are mounted to an upper portion of a car frame, and because the cage is supported on a lower portion of the car frame by means of a rubber vibration isolator, the cage may sink relative to the car frame by approximately 2 to 3 mm when a large number of passengers board the cage.
  • the gap between the car door and the car doorsill is thereby widened, and there is a risk that the sealing member that is disposed on the lower portion of the car door will not contact the car doorsill.
  • a blocking apparatus such as that shown in Patent Literature 2 is one solution, but the configuration is complicated, and increased weight of the car door is of concern. Furthermore, if the passengers happen to be trapped inside the cage by a power outage, etc., greater resistance occurs when opening the car door manually because a pressing force is generated toward the car doorsill by the blocking apparatus.
  • the present invention aims to solve the above problems and an object of the present invention is to provide an elevator car door apparatus that maintains high sound insulating performance against vertical displacement of a cage relative to a car frame and displacement of a car door panel in a depth direction using a simple construction, that can suppress increases in load on a door motor, and that can ensure that greater resistance does not occur when opening the car door manually.
  • an elevator car door apparatus including: a car door panel that opens and closes a car doorway; a car doorsill that is disposed on a lower portion of the car doorway, and that includes first and second doorsill grooves that are disposed parallel to an opening and closing direction of the car door panel; a door foot that is disposed on a lower portion of the car door panel, and that is inserted into the first doorsill groove; a first sealing member that is made of an elastic body that is disposed on a lower portion of the car door panel so as to contact a side surface of the first doorsill groove, and that is slid along the side surface of the first doorsill groove during opening and closing operations of the car door panel; and a second sealing member that is made of an elastic body that is disposed on a lower portion of the car door panel so as to contact a side surface of the second doorsill groove, and that is slid along the side surface of the second doorsill groove during the opening and closing operations of the car door panel
  • the second doorsill groove is disposed on the car doorsill in addition to the first doorsill groove into which the door foot is inserted, and the first sealing member that contacts the side surface of the first doorsill groove and the second sealing member that contacts the side surface of the second doorsill groove are disposed on the lower portion of the car door panel, vertical displacement of the cage relative to the car frame can be absorbed by vertical sliding movement of the first and second sealing members and displacement of the car door panel in a depth direction absorbed by elastic deformation of the first and second sealing members using a simple configuration, thereby enabling high sound insulating performance to be maintained.
  • first and second sealing members are slid along the side surfaces of the first and second doorsill grooves during the opening and closing operations of the car door panel, greater door closing force is not necessary, enabling increases in load on the door motor to be suppressed, and also preventing greater resistance from being generated when opening the car doors manually.
  • FIG. 1 is a front elevation that shows an elevator car door apparatus according to Embodiment 1 of the present invention.
  • a car doorway 1 a is disposed on a front surface of a car 1 (indicated by double-dotted chain lines).
  • the car doorway 1 a is opened and closed by a pair of car doors 2.
  • Each of the car doors 2 has: a car door panel 3; and a door hanger 4 that is connected to an upper portion of the car door panel 3.
  • a pair of hanger rollers 5 is disposed on each of the door hangers 4.
  • a door rail 6 is fixed to an upper portion of the car doorway 1a of the car 1.
  • the door panels 3 are suspended from the door rail 6 by means of the door hangers 4.
  • the hanger rollers 5 are rolled along the door rail 6.
  • a door motor 7 that opens and closes the car doors 2 is mounted onto an upper portion of the car 1.
  • a driving force from the door motor 7 is transmitted to the car door panels 3 by means of a speed reducing mechanism 8 and a linking mechanism 9.
  • the left and right car doors 2 are operated by the linking mechanism 9 so as to open and close interdependently simultaneously in opposite directions.
  • Landing doors (not shown) are also operated so as to open and close together with the car doors 2 by engaging with the car doors 2.
  • a car doorsill 10 that guides movement of lower end portions of the car door panels 3 during the opening and closing operations of the car doors 2 is fixed to a lower portion (a floor portion) of the car doorway 1 a.
  • Figure 2 is a cross section that is taken along line II - II in Figure 1 , and shows a longitudinal cross section of a lower end portion of a car door panel 3.
  • the right side of the car door panel 3 is a cage side
  • the left side is a landing side.
  • First and second doorsill grooves 11 and 12 that are disposed parallel to the opening and closing direction of the car door panel 3 are disposed on the car doorsill 10 so as to be spaced apart from each other.
  • the second doorsill groove 12 is disposed on the landing side of the first doorsill groove 11.
  • the first doorsill groove 11 has a first cage-side side surface 11 a, a first landing-side side surface 11 b, and a first bottom surface 11 c.
  • the second doorsill groove 12 has a second cage-side side surface 12a, a second landing-side side surface 12b, and a second bottom surface 12c.
  • a depth of the second doorsill groove 12 is similar or identical to a depth of the first doorsill groove 11.
  • the first and second doorsill grooves 11 and 12 are disposed directly below the car door panel 3 within a thickness region of the car door panel 3.
  • a plurality of sound absorbing members 13a through 13d are fixed inside the car door panel 3.
  • a lower portion reinforcing member 14 is fixed to a lower portion of the car door panel 3.
  • the lower portion reinforcing member 14 is disposed over an entire width (a lateral direction in Figure 1 ) of the car door panel 3.
  • the lower portion reinforcing member 14 has: a joining portion 14a that is glued or welded onto a rear surface of the car door panel 3; and a foot mount portion 14b that faces the rear surface of the lower end portion of the car door panel 3.
  • the joining portion 14a and the foot mount portion 14b are formed by bending a flat plate.
  • a plurality of door feet 15 are held on the foot mount portion 14b by screws so as to be spaced apart from each other in a width direction of the car door panel 3.
  • the door feet 15 are inserted into the first doorsill groove 11.
  • the door feet 15 are moved through the first doorsill groove 11 during the opening and closing operations of the car door panel 3. Wobbling, etc., during the opening and closing operations of the car door panel 3 is thereby suppressed.
  • a plurality of first sealing members 17 are mounted to the foot mount portion 14b by means of a first metal brace 16.
  • the first metal brace 16 is fastened onto the foot mount portion 14b by a screw.
  • Upper end portions of the first sealing members 17 are held between the first metal brace 16 and the foot mount portion 14b.
  • the first sealing members 17 are disposed on an entire width of the car door panel 3 except for portions on which the door feet 15 are mounted.
  • the first sealing members 17 are constituted by elastic bodies of rubber, etc., and lower end portions thereof are slightly elastically deformed by contacting the first cage-side side surface 11 a. The first sealing members 17 are thereby slid along the first cage-side side surface 11 a during the opening and closing operations of the car door panel 3.
  • a fixing member 18 that has an L-shaped cross section is fixed by gluing or welding to a rear surface of the joining portion 14a of the lower portion reinforcing member 14.
  • the fixing member 18 has a horizontal portion 18a.
  • a metal mounting fitting 20 is mounted onto the horizontal portion 18a by a screw 19.
  • the screw 19 is fastened vertically from an upper surface side of the metal mounting fitting 20.
  • a sound insulating plate 21 and a second metal brace 22 are fastened to the metal mounting fitting 20 by a screw. A lower end portion of the sound insulating plate 21 is inserted into the second doorsill groove 12.
  • the sound insulating plate 21 is made of steel, and is disposed continuously over the entire width of the car door panel 3.
  • a second sealing member 23 is held between the second metal brace 22 and the sound insulating plate 21.
  • the second sealing member 23 is disposed continuously over the entire width of the car door panel 3.
  • the second sealing member 23 is constituted by an elastic body of rubber, etc., and a lower end portion thereof is slightly elastically deformed by contacting the second cage-side side surface 12b. The second sealing members 23 are thereby slid along the second cage-side side surface 12b during the opening and closing operations of the car door panel 3.
  • a back plate (a cover) 24 that faces the metal mounting fitting 20 and the second metal brace 22 is mounted to the lower portion reinforcing member 14.
  • the back plate 24 is disposed continuously over the entire width of the car door panel 3, and is mounted in a vicinity of an upper end portion of the lower portion reinforcing member 14 by a plurality of screws 25.
  • first and second sealing members 17 and 23 are slid along the side surfaces 11 a and 12b of the first and second doorsill grooves 11 and 12 during the opening and closing operations of the car door panel, greater door closing force is not necessary, enabling increases in load on the door motor 7 to be suppressed, and also preventing greater resistance from being generated when opening the car doors 2 manually.
  • first sealing members 17 contact the first cage-side side surface 11 a
  • second sealing member 23 contacts the second landing-side side surface 12b
  • at least one of the first and second sealing members 17 and 23 can be maintained in a state of contact with the car doorsill 10 relative to displacement of the car doors 2 in the depth direction when the cage is pressurized or depressurized by air pressure controlling apparatuses (not shown), enabling high sound insulating performance to be maintained.
  • first sealing members 17 are disposed on the entire width of the car door panel 3 except for the portions on which the door feet 15 are mounted, and the second sealing member 23 and the sound insulating plate 21 are disposed on the entire width of the car door panel 3, sound insulation can be further improved while avoiding interference between the door feet 15 and the first sealing members 17.
  • the screws fixing the second metal brace 22 can be exposed by unscrewing the screws 25 and removing the back plate 24, enabling the second sealing member 23 to be easily replaced. From this state, the screw fixing the first metal brace 16 can be exposed by unscrewing the screw 19 and removing the metal mounting fitting 20, enabling the first sealing member 17 also to be easily replaced.
  • a first sealing member 17 may also be disposed continuously along the entire width of the car door panel 3.
  • the first metal brace 16, the first sealing members 17, the second metal brace 22, the second sealing member 23, and the sound insulating plate 21, etc., may also be divided in the width direction of the car door panel 3 if required.
  • first sealing members 17 contact the first cage-side side surface 11 a
  • second sealing member 23 contacts the second landing-side side surface 12b
  • first sealing members 17 may also be made to contact to the first landing-side side surface 11 b
  • second sealing member 23 made to contact the second cage-side side surface 11 a.
  • first sealing members 17 may also be used, or the lower end portion of the first sealing members 17 may also be branched bidirectionally, such that the first sealing members 17 contact both the first cage-side side surface 11 a and the first landing-side side surface 11 b.
  • second sealing member 23 may also be made to contact both the second cage-side side surface 12a and the second landing-side side surface 12b.
  • the door feet 15 are inserted into the doorsill groove 11 on the cage side, and the sound insulating plate 21 is inserted into the doorsill groove 12 on the landing side, but that may also be reversed.
  • the landing side may also be set as the first doorsill groove 11 and the cage side set as the second doorsill groove 12.
  • elevators to which the car door apparatus according to the present invention is applied are not limited to very high-speed elevators, and sound insulation can also be increased if applied to ordinary elevators.

Landscapes

  • Elevator Door Apparatuses (AREA)

Claims (4)

  1. Aufzugkabinentürvorrichtung, die aufweist:
    ein Kabinentürblatt (3), das einen Kabinenzugang (1 a) öffnet und schließt;
    eine Kabinentürschwelle (10), die an einem unteren Abschnitt des Kabinenzugangs (1a) angeordnet ist und die erste und zweite Türschwellennuten (11, 12) aufweist, die parallel zu einer Öffnungs- und Schließrichtung des Kabinentürblatts (3) angeordnet sind;
    einen Türfuß (15), der an einem unteren Abschnitt des Kabinentürblattes (3) angeordnet ist und der in die erste Türschwellennut (11) eingeführt ist;
    wobei die Aufzugtürvorrichtung dadurch gekennzeichnet ist, dass sie des Weiteren aufweist:
    ein erstes Dichtglied (17), das aus einem elastischen Körper hergestellt ist, der an einem unteren Abschnitt des Kabinentürblatts (3) so angeordnet ist, dass er eine Seitenfläche (11 a, 11b) der ersten Türschwellennut (11) berührt und entlang der Seitenfläche (11a, 11b) der ersten Türschwellennut (11) während Öffnungs- und Schließoperationen des Kabinentürblatts (3) gleitet; und
    ein zweites Dichtglied (23), das aus einem elastischen Körper hergestellt ist, der an einem unteren Abschnitt des Kabinentürblattes (3) so angeordnet ist, dass er eine Seitenfläche (12a, 12b) der zweiten Türschwellennut (12) berührt und entlang der Seitenfläche (12a, 12b) der zweiten Türschwellennut (12) während Öffnungs- und Schließoperationen des Kabinentürblatts (3) gleitet.
  2. Aufzugkabinentürvorrichtung nach Anspruch 1, wobei:
    die Seitenfläche, die das erste Dichtglied (17) berührt, eine erste Seitenfläche (11a, 11b) auf einer Käfigseite oder einer Anlandungsseite der ersten Türschwellennut (11) ist; und
    die Seitenfläche, die das zweite Dichtglied (23) berührt, eine zweite Seitenfläche (12a, 12b) auf der anderen Käfigseite oder Anlandungsseite der zweiten Türschwellennut (12) ist.
  3. Aufzugkabinentürvorrichtung nach Anspruch 1, die des Weiteren aufweist:
    eine schallisolierende Platte (21), die an einem unteren Abschnitt des Kabinentürblattes (3) angeordnet ist und die in die zweite Türschwellennut (12) eingeführt ist.
  4. Aufzugkabinentürvorrichtung nach Anspruch 3, wobei:
    das erste Dichtglied (17) entlang einer Gesamtbreite des Kabinentürblatts (3) mit Ausnahme eines Abschnitts angeordnet ist, auf welchem der Türfuß (15) befestigt ist; und
    das zweite Dichtglied (23) und die schallisolierende Platte (21) entlang einer Gesamtbreite des Kabinentürblattes (3) angeordnet sind.
EP10848942.8A 2010-03-31 2010-03-31 Fahrkorbtürvorrichtung für aufzüge Not-in-force EP2557063B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2010/055869 WO2011121764A1 (ja) 2010-03-31 2010-03-31 エレベータのかごドア装置

Publications (3)

Publication Number Publication Date
EP2557063A1 EP2557063A1 (de) 2013-02-13
EP2557063A4 EP2557063A4 (de) 2016-01-06
EP2557063B1 true EP2557063B1 (de) 2017-01-25

Family

ID=44711550

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10848942.8A Not-in-force EP2557063B1 (de) 2010-03-31 2010-03-31 Fahrkorbtürvorrichtung für aufzüge

Country Status (5)

Country Link
EP (1) EP2557063B1 (de)
JP (1) JP5523554B2 (de)
KR (1) KR101367480B1 (de)
CN (1) CN102811937B (de)
WO (1) WO2011121764A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014207896A1 (ja) * 2013-06-28 2014-12-31 三菱電機株式会社 エレベータのかご
CN104709798A (zh) * 2013-12-16 2015-06-17 上海三菱电梯有限公司 电梯轿厢结构
KR101639582B1 (ko) 2014-07-21 2016-07-14 권순범 안전성 강화 구조를 구비한 엘리베이터 도어 구조
CN108495805B (zh) * 2016-02-08 2020-04-07 株式会社日立制作所 电梯装置
CN106185560B (zh) * 2016-08-31 2018-11-27 艾瑞斯股份有限公司 高速梯轿门防风降噪结构
WO2018173224A1 (ja) * 2017-03-23 2018-09-27 三菱電機株式会社 エレベータの出入口装置
KR101937698B1 (ko) * 2017-05-17 2019-04-09 (주)모든엘리베이터 스프링을 이용한 엘리베이터 도어 이탈방지장치
CN109264556B (zh) * 2017-07-18 2021-10-26 富士达株式会社 电梯的门装置
KR102058932B1 (ko) * 2018-03-21 2019-12-24 현대엘리베이터주식회사 엘리베이터 승강장 도어 조립체
KR102094885B1 (ko) 2018-10-29 2020-03-30 권순범 방폭형 스위치를 구비한 엘리베이터 도어 잠금장치
KR102184683B1 (ko) 2019-05-09 2020-11-30 주식회사 이노에스템 인터록 어셈블리를 구비한 엘리베이터 도어 시스템
KR102289475B1 (ko) * 2019-07-08 2021-08-11 강환흥 엘리베이터 카와 홀실의 주변 틈새 밀폐 및 공기청정 시스템

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Also Published As

Publication number Publication date
WO2011121764A1 (ja) 2011-10-06
EP2557063A1 (de) 2013-02-13
JP5523554B2 (ja) 2014-06-18
KR20120112822A (ko) 2012-10-11
CN102811937B (zh) 2014-06-18
EP2557063A4 (de) 2016-01-06
KR101367480B1 (ko) 2014-02-25
JPWO2011121764A1 (ja) 2013-07-04
CN102811937A (zh) 2012-12-05

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