CN101549826B - Elevator door opening protecting apparatus - Google Patents

Elevator door opening protecting apparatus Download PDF

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Publication number
CN101549826B
CN101549826B CN2009100394746A CN200910039474A CN101549826B CN 101549826 B CN101549826 B CN 101549826B CN 2009100394746 A CN2009100394746 A CN 2009100394746A CN 200910039474 A CN200910039474 A CN 200910039474A CN 101549826 B CN101549826 B CN 101549826B
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CN
China
Prior art keywords
lever
elevator door
fulcrum
hoistway
door opening
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Application number
CN2009100394746A
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Chinese (zh)
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CN101549826A (en
Inventor
邓浩斌
郭晓东
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Hitachi Elevator China Co Ltd
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Hitachi Elevator China Co Ltd
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Priority to CN2009100394746A priority Critical patent/CN101549826B/en
Publication of CN101549826A publication Critical patent/CN101549826A/en
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Abstract

The present invention discloses an elevator door opening protecting apparatus, including a board equipped outside the cage; a lever mechanism and a spring mechanism fixed in hoistway. The lever mechanism is composed of a first level, a first fulcrum, and a catch level and a roller located respectively in two terminals of the lever, wherein the first fulcrum is fixed in the hoistway, the middle part of the first level is hinged joint in the first fulcrum, and the catch level is located in moving locus of the elevator door, the roller is located in moving locus of the board and rolling along the board surface. The spring mechanism is equipped between the first lever and the hoistway at the level side. The elevator door opening protecting equipment has advantages of low cost, simple operation, easy setting and high reliability, greatly reducing personnel casualty accidents relates to door system aspect in elevators.

Description

A kind of elevator door opening protecting apparatus
Technical field
The present invention relates to a kind of elevator door opening protecting apparatus, refer in particular to the device that is used for providing when the special operational personnel enter car prompting and safety guard-safeguard effect.
Background technology
Lift product is when et out of order at present, and the mandatory elevator door of opening of personnel or elevator management personnel that usually needs repairing enters pit, car or the maintenance of sedan-chair jacking row.It mainly is the triangular key that adopts the elevator standard configuration that these special operationals personnel open elevator door, turn on the triangulation chain that is installed in layer door top, and also disposable finishing after release of the unlatching of layer door, therefore if elevator is not when resting in this layer, in the special operational personnel also may enter into hoistway in the moment after opening layer door, because the normal subjective judgement that relies on oneself of special operational personnel concludes whether elevator rests in this layer, and the process of opening door lock is very of short duration, therefore link up to make easily and open the door, stride into a series of actions such as car, this can cause the generation of accident most probably.So at this problem, being necessary can provide caution and safety guard-safeguard by a kind of mandatory fender guard is set to operating personal on elevator.
Summary of the invention
The object of the present invention is to provide a kind of with low cost, easy and simple to handle, be provided with easily and the high elevator door opening protecting apparatus of reliability.
For achieving the above object, the invention provides a kind of elevator door opening protecting apparatus, it comprise be arranged on car outer re-pack, be fixed on leverage and spring installation in the hoistway; This leverage is made up of first lever, first fulcrum and the pin and the roller that lay respectively at the first lever two ends, wherein first fulcrum is fixed in the described hoistway, the middle part of first lever is hinged on first fulcrum, pin is positioned on the path of motion of elevator door, roller is positioned on the path of motion that re-packs, and can roll along the surface that re-packs; Spring installation is arranged between first lever and described hoistway of pin direction side, and the described two ends that re-pack are provided with the bevelled inclined-plane, and it also is provided with the shifting block device of being made up of second lever and second fulcrum; Second fulcrum is fixed in the described hoistway, the middle part of second lever is hinged on second fulcrum, and the one end is provided with the press section, and the other end is provided with the clicking section, this clicking section is positioned at the side place of first lever near lever, can promote first lever and rotate towards described car direction around first fulcrum.
Elevator door opening protecting apparatus of the present invention, when described when re-packing with described cage operation to correspondence position, described re-packing rolled the described roller of triggering along its surface, thereby described first lever that drives described roller place is the center of circle with described first fulcrum, do clickwise, and making described pin leave the path of motion of described elevator door, described elevator door can normally be opened; And when described car during away from described elevator door, it is that left-hand revolution is made in the center of circle with described first fulcrum that the elastic force that described spring installation produces described first lever makes the lever of winning, thereby described pin is returned back on the path of motion of described elevator door; Then realize that by described leverage and described spring installation described pin is in the normally process that moves in circles of opening and the barrier layere door guard mode of opening of layer door, thereby the special operational personnel have been realized the actv. protection and guard against.
The described two ends that re-pack of described elevator door opening protecting apparatus are provided with the inclined-plane, re-pack to the impact of described roller in order to elimination, and it are level and smooth to guarantee that roller rolls.
The described pin of described elevator door opening protecting apparatus is laid with rubber layer outward, the noise when colliding with described layer door in order to elimination.
The described roller peripheral hardware matcoveredn of described elevator door opening protecting apparatus is in order to reduce described re-packing when contacting with described roller to the wearing and tearing of each structural constituent.
Described elevator door opening protecting apparatus further is provided with the base that is fixed in the described hoistway, and described first fulcrum is fixed on the base.By this base, more convenient described leverage is installed to ad-hoc location in the described hoistway.
Described elevator door opening protecting apparatus further is provided with the shifting block device, and it is made up of second lever and second fulcrum; Second fulcrum is fixed in the described hoistway, the middle part of second lever is hinged on second fulcrum, the one end is provided with the press section, the other end is provided with the clicking section, this clicking section is positioned at the side place of described first lever near described lever, can promote described first lever and rotate towards described car direction around described first fulcrum.When needs are forced to open the door, can make described shifting block device produce rotation by pushing described press section, make described clicking section promote described first lever, drive on the path of motion that described pin leaves described layer door, this installs simple installation, and is simple to operate, but and actv. prompting operating personal.
Compared with prior art, this elevator door opening protecting apparatus is simple and practical, and process and assemble and on-site installation are convenient, and be with low cost, can not exert an influence to the enforcement and the function of elevator miscellaneous part.
Description of drawings
Accompanying drawing 1 is the lateral plan of elevator door opening protecting apparatus hold mode of the present invention;
Accompanying drawing 2 is the lateral plan of elevator door opening protecting apparatus open mode;
Accompanying drawing 3 is birds-eye vieies of the described shifting block device of elevator door opening protecting apparatus;
1, car, 2, re-pack, 3, leverage, 31, first lever, 32, pin, 33, roller, 34, first fulcrum, 4, spring installation, 5, base, 6, the shifting block device, 61, second lever, 62, press section, 63, the clicking section, 64, second fulcrum, 7, hoistway, 8, elevator door.
The specific embodiment
Please refer to accompanying drawing 1 to Fig. 2, a kind of elevator door opening protecting apparatus, comprise re-pack 2, leverage 3 and spring installation 4.Described 2 sides of being located at car 1 that re-pack are by the position of lower end, and it is equipped with towards described car 1 direction bevelled inclined-plane at two ends up and down, re-pack 2 can be the platy structure on a plane, and also can be vertically disposed angle steel structure.
Described leverage 3 is located at the side of described elevator door, is made up of first lever 31, pin 32, first fulcrum 34 and roller 33.Described first fulcrum 34 is fixed in the described hoistway, and the middle part of described first lever 31 is hinged on described first fulcrum 34; Described pin 32 is located at the upper end of described first lever 31, and is positioned on the path of motion of elevator door 8, the described pin 32 outer rubber layers that are provided with, noise when colliding with described elevator door 8 in order to subdue described pin 32; Described roller 33 is fixed in the lower end of described first lever 31, and described roller 33 is located on described 2 the path of motion of re-packing, the lower end that connect described first lever 31 of described roller 33 this moment is towards described car 1 direction bevelled, re-pack 2 when acting on the described roller 33 when described, described roller 33 can roll along described 2 the surface of re-packing; The inclined-plane at described 2 two ends that re-pack can reduce the impact of the described 2 pairs of described rollers 33 that re-pack, and makes the motion of described roller 33 more level and smooth; Described roller 33 peripheral hardware matcoveredns, described protective cover is a special (purpose) rubber.
Described spring installation 4 is fixed in the described hoistway 7, and it is arranged between that side first lever and described hoistway at described pin place, and an end is connected on described first lever 31, and the other end is connected on the base 5 that is fixed on hoistway.
Described elevator door opening protecting apparatus further comprises base 5, and described first fulcrum 34 is fixed on the described base 5.Can earlier described leverage 3 be fixed on the described base 5 when therefore installing, described spring installation 4 also can also be fixed on earlier on the described base 5 simultaneously, together be fixed in again in the described hoistway 7; So described base 5 more convenient ad-hoc locations that are mounted to described leverage 3.
Please refer to accompanying drawing 1; be in the scheme drawing of hold mode for leverage 3; re-pack 2 when not moving to the relevant position with car 1; be on the path of motion of described elevator door 8; if this moment is opening elevator layer door 8; then elevator door 8 will be subjected to the barrier effect of pin 32 after opening a segment distance; and can not further open; the distance that this elevator door 8 is opened is not enough to allow a people's health pass through; whether car 1 has been parked in corresponding floor in the hoistway but can observe; thereby can remind operating personal, play a very good protection.
Please refer to accompanying drawing 2, be in the scheme drawing of open mode for described leverage 3, re-pack this moment and 2 move to the relevant position with car 1,2 driving rollss 33 re-pack, roller 33 will roll along described 2 the surface of re-packing, and first lever 31 that drives roller 33 places simultaneously is the center of circle with first fulcrum 34, does clockwise rotating, and making pin 32 leave the path of motion of elevator door 8, elevator door 8 can normally be opened; And when car 1 leaves corresponding position, the application force of 2 pair rollers 33 of re-packing also will disappear, it is that left-hand revolution is done in the center of circle with first fulcrum 34 that the pulling force of 4 pairs first levers 31 of spring installation this moment will make first lever 31, thereby pin 32 is returned back on the path of motion of elevator door 8.
Please refer to accompanying drawing 3,, can finish this action by the shifting block device 6 that uses further setting when elevator door 8 is not stopped at the relevant position but the extraordinary circumstances of need forcing to open the door when taking place at described car 1.
Described shifting block device 6 is made up of second lever 61 and second fulcrum 64, and described second fulcrum 64 is fixed in the described hoistway, and the middle part of described second lever 61 is hinged on second fulcrum 64, and the one end is provided with the press section, and the other end is provided with the clicking section.The corresponding position that elevator door 8 is opened at first is located in described press section 62, makes things convenient for elevator door can operate press section 62 after opening a bit of distance; Described clicking section 63 is positioned at described first lever 31 places of described pin 32 sides, and it can promote described first lever 31 and rotate towards described car 1 direction around described first fulcrum 34.The outer rubber layer that is laid with on the lever 32, clicking section 63 is outer also to be provided with protective cover, is used for protecting corresponding component respectively, slows down impact, increases the service life.
When needs are further opened elevator door 8, the a bit of distance of utilizing elevator door 8 to open, though this distance can not allow people's health pass through, but enough people's hand stretches in the hoistway and operates, only need stretch out one's hand and push press section 62 this moment, making described shifting block device 6 is that the center of circle produces rotation with second fulcrum 64, move towards hoistway 7 directions press section 62, then clicking section 63 will be moved towards first lever, 31 directions, and promote first lever 31, making first lever 31 is that the center of circle is (from accompanying drawing 1 with first fulcrum 34, see on 2) do clickwise, thus make pin 32 leave the path of motion of elevator door 8, elevator door 8 can freely be opened afterwards.This structure simple installation, simple to operate, because can observing described car 1, the distance that described elevator door 8 has been opened whether rests in this layer simultaneously, actv. has been reminded operating personal when therefore operating, and avoids it to stride into hoistway, has guaranteed personal security.
Elevator door opening protecting apparatus of the present invention; utilize elevator to move the position that can reach different up and down; re-pack 2 and drive with car 1 associated movement; trigger leverage 3 and enter hold mode or opening; the state that guard mode that corresponding elevator door can not freely be opened when car 1 does not stop to the relevant position and car 1 can normally be opened when stopping to the relevant position; actv. has been implemented prompting and protective effect to operating personal, greatly reduces personnel and relates to casualty accident aspect layer door system at elevator.
Elevator door opening protecting apparatus of the present invention, it is simple and practical, and process and assemble and on-site installation are convenient, and be with low cost, and the enforcement of elevator miscellaneous part and function is not influenced, and has a extensive future.
Above-described embodiment of the present invention does not constitute the qualification to protection domain of the present invention.Any modification of being done within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within the claim protection domain of the present invention.

Claims (5)

1. elevator door opening protecting apparatus is characterized in that: it comprise be arranged on car outer re-pack, be fixed on leverage and spring installation in the hoistway; This leverage is made up of first lever, first fulcrum and the pin and the roller that lay respectively at the first lever two ends, wherein first fulcrum is fixed in the described hoistway, the middle part of first lever is hinged on first fulcrum, pin is positioned on the path of motion of elevator door, roller is positioned on the path of motion that re-packs, and can roll along the surface that re-packs; Spring installation is arranged between first lever and described hoistway of pin direction side, and the described two ends that re-pack are provided with the bevelled inclined-plane, and it also is provided with the shifting block device of being made up of second lever and second fulcrum; Second fulcrum is fixed in the described hoistway, the middle part of second lever is hinged on second fulcrum, and the one end is provided with the press section, and the other end is provided with the clicking section, this clicking section is positioned at the side place of first lever near lever, can promote first lever and rotate towards described car direction around first fulcrum.
2. a kind of elevator door opening protecting apparatus as claimed in claim 1 is characterized in that: it also is provided with the base that is fixed in the described hoistway, and described first fulcrum is fixed on the base.
3. a kind of elevator door opening protecting apparatus as claimed in claim 1 is characterized in that: described pin is laid with rubber layer outward.
4. a kind of elevator door opening protecting apparatus as claimed in claim 1 is characterized in that: described roller peripheral hardware matcoveredn.
5. a kind of elevator door opening protecting apparatus as claimed in claim 1 is characterized in that: described clicking section peripheral hardware matcoveredn.
CN2009100394746A 2009-05-14 2009-05-14 Elevator door opening protecting apparatus Active CN101549826B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009100394746A CN101549826B (en) 2009-05-14 2009-05-14 Elevator door opening protecting apparatus

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Application Number Priority Date Filing Date Title
CN2009100394746A CN101549826B (en) 2009-05-14 2009-05-14 Elevator door opening protecting apparatus

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CN101549826A CN101549826A (en) 2009-10-07
CN101549826B true CN101549826B (en) 2011-08-10

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Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105307964B (en) * 2013-05-28 2018-09-25 因温特奥股份公司 The lift well in vertical shaft hole or the shaft top reduced with diminution
CN104627800B (en) * 2014-12-03 2016-04-06 郑景文 Elevator safety door
CN104528488B (en) * 2014-12-03 2016-04-06 郑景文 Elevator car safety
CN104495593B (en) * 2014-12-03 2016-04-13 郑景文 Safety protection apparatus for elevator
CN104627801A (en) * 2014-12-03 2015-05-20 郑景文 Method for using elevator protection door
CN104444736A (en) * 2014-12-03 2015-03-25 郑景文 Elevator protective door
CN104495592B (en) * 2014-12-03 2016-04-06 郑景文 Elevator safety door gear
US10526172B2 (en) * 2017-09-29 2020-01-07 Otis Elevator Company Mechanical hoistway access control device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5139112A (en) * 1990-10-31 1992-08-18 Otis Elevator Company Elevator car door lock
CN2154849Y (en) * 1992-12-21 1994-02-02 徐磊 Contactless safety door of working lift
CN2209665Y (en) * 1993-12-13 1995-10-11 江门市郊区泰和建筑工程公司 Upper-falling abutment discharge platform automatic safety protecting door
CN1215379A (en) * 1996-04-10 1999-04-28 奥蒂斯电梯公司 Elevator evacuation deterrent device
JP2006016183A (en) * 2004-07-05 2006-01-19 Mitsubishi Electric Corp Retiring cam device for elevator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5139112A (en) * 1990-10-31 1992-08-18 Otis Elevator Company Elevator car door lock
CN2154849Y (en) * 1992-12-21 1994-02-02 徐磊 Contactless safety door of working lift
CN2209665Y (en) * 1993-12-13 1995-10-11 江门市郊区泰和建筑工程公司 Upper-falling abutment discharge platform automatic safety protecting door
CN1215379A (en) * 1996-04-10 1999-04-28 奥蒂斯电梯公司 Elevator evacuation deterrent device
JP2006016183A (en) * 2004-07-05 2006-01-19 Mitsubishi Electric Corp Retiring cam device for elevator

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