CN104379487B - The safety device of elevator - Google Patents
The safety device of elevator Download PDFInfo
- Publication number
- CN104379487B CN104379487B CN201280073706.XA CN201280073706A CN104379487B CN 104379487 B CN104379487 B CN 104379487B CN 201280073706 A CN201280073706 A CN 201280073706A CN 104379487 B CN104379487 B CN 104379487B
- Authority
- CN
- China
- Prior art keywords
- sliding door
- elevator
- safety device
- action movie
- wedge
- 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 - Fee Related
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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
- B66B13/24—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers
- B66B13/26—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers between closing doors
Landscapes
- Elevator Door Apparatuses (AREA)
Abstract
The present invention is to obtain a kind ofly can realizing preventing the simplicity of feed mechanism and for the purpose of the safety device of the elevator easily arranged in existing elevator.The safety device of elevator of the present invention has: gangway frame (3), and it forms the gangway of elevator; Sliding door (2), itself and this gangway frame (3) with separating gap (G) opening and closing moves; And prevent from drawing in cover (10), it is arranged on described gangway frame (3), prevents foreign matter to be drawn in described gap (G).Describedly prevent drawing in cover (10) and have: installation portion (11), it is installed to be the state being fixed on described gangway frame (3); Action movie (12), it close to described sliding door (2) configuration, and is formed as wedge-like, and the front of wedge-like is inserted in described gap (G); And there is flexible movement arm (13), it is convexly extended in the inner side of described gangway from described installation portion (11) towards described sliding door (2) side, and is connected with the root of described action movie (12).
Description
Technical field
The present invention relates to a kind of sliding door preventing foreign matter to be pulled into elevator and the safety device importing and exporting the elevator between frame.
Background technology
About the safety device of the elevator in past, Patent Document 1 discloses structure as follows, have in the structure shown here: the supporting mass being located at gangway frame, this supporting mass has guide portion, and this guide portion has makes enabling side close to reveal, make pass reveal away from the degree of dip of reveal; Action body, it can move up along guide portion in the opening and closing side of door; And spring, it to this action body force to direction of closing the door, utilizes Weight detector to detect action body and moves in enabling direction along guide portion and contact the load increase of the door motor that door causes.
In addition, Patent Document 2 discloses structure as follows, have in the structure shown here: driving part, it can arrange relative to gangway dynamic mode of frameing shift between the gangway frame of elevator and door; Cam part, it is fixed in this driving part, and the front along door together with driving part is moved, and has engaged part; Passive element, it, by the engagement section of carrying out engaging along with movement and the engaged part of cam part, moves between door and gangway frame; Friction means, it is arranged on the end of this passive element; And load detecting unit, it detects the load that namely drive source being applied to door is applied to motor, when door is opened, friction means to abut with the front of door load is increased time, make the reversion of the hand of rotation of the axle of motor and move to the direction that door is closed.
Prior art document
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2011-195329 publication
Patent documentation 2: Japanese Unexamined Patent Publication 2004-210525 publication
Summary of the invention
The problem that invention will solve
But, in the safety device of elevator in the past, will be drawn into gangway frame press with the foreign matter in the gap between door and action contact preventing that the load of door motor is increased with door feed mechanism from making part count increase, structure complicates when opening the door, existence is not easy the problem arranged in existing elevator.
The present invention proposes to solve the problem just, its object is to, and provides a kind of simplicity that can realize preventing feed mechanism, and the safety device of the elevator easily arranged in existing elevator.
For the means of dealing with problems
The safety device of elevator of the present invention has: gangway frame, and it forms the gangway of elevator; Sliding door, itself and this gangway frame separates opening and closing with gap and moves; And prevent from drawing in cover, it is arranged on described gangway frame, prevents foreign matter to be drawn in described gap.Describedly prevent drawing in cover and have: installation portion, it is installed to be the state being fixed on described gangway frame; Action movie, it is configured to close to described sliding door, and is formed as wedge-like, and the front of wedge-like is inserted in described gap; And movement arm, it has flexibility, convexly extended in the inner side of described gangway from described installation portion towards described slip reveal, and is connected with the root of described action movie.
Invention effect
According to the present invention, when carrying out the opening action of sliding door, prevent from drawing in cover on foreign matter supports and push action arm time, movement arm with the connecting portion of installation portion for fulcrum bends, action movie is inserted in gap.So the outer peripheral face of the wedge-like of action movie connects with the sliding door of opening action, foreign matter is prevented to be drawn in gap.In addition, action movie by the opening direction of sliding door displacing force and go deep in gap, the opening action of sliding door stops.So prevent from foreign matter to be drawn into preventing in gap to draw in cover and be made up of the one-body molded thing by having flexible movement arm connection portion and action movie, thus prevent feed mechanism simple for structure, can easily arrange in existing elevator.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the structure of the safety device of the elevator that embodiments of the present invention 1 are described.
Fig. 2 is the birds-eye view of the action of the safety device of the elevator that embodiments of the present invention 1 are described.
Fig. 3 is the front view of the gangway being provided with the safety device of the elevator of embodiments of the present invention 1 from car indoor observation.
Fig. 4 is the birds-eye view preventing drawing in around cover of the safety device of the elevator that embodiments of the present invention 2 are shown.
Fig. 5 is the birds-eye view preventing from drawing in the operating state of cover of the safety device of the elevator that embodiments of the present invention 2 are shown.
Fig. 6 is the birds-eye view returned to form preventing from drawing in cover of the safety device of the elevator that embodiments of the present invention 2 are shown.
Detailed description of the invention
Below, use accompanying drawing that the preferred implementation of the safety device of elevator of the present invention is described.
Embodiment 1
Fig. 1 is the schematic diagram of the structure of the safety device of the elevator that embodiments of the present invention 1 are described, Fig. 2 is the birds-eye view of the action of the safety device of the elevator that embodiments of the present invention 1 are described, Fig. 3 is the front view of the gangway being provided with the safety device of the elevator of embodiments of the present invention 1 from car indoor observation.
In Fig. 1 and Fig. 3, the car of elevator is configured to, and two sliding door 2 opened can be opened the gangway 1 be made up of gangway frame 3 and close.Further, controlling device for doors 6 makes door motor 7 action according to the instruction carrying out automatic control device 5, makes sliding door 2 open and close.
Safety device has and prevents from drawing in cover 10 and overload detecting device 8, the relative sidewall of a pair munnion 4 forming gangway frame 3 is provided with multiple preventing along the vertical direction apart from each other and draws in cover 10, when opening the door, prevent from drawing in cover 10 by foreign matters 9 such as the article of passenger by press against in the clearance G that is drawn between sliding door 2 and munnion 4, prevent foreign matter 9 to be drawn in clearance G, overload detecting device 8 detects because preventing from drawing in the load increase that cover 10 is drawn into the door motor 7 caused in clearance G.Overload detecting device 8 such as detects the current value of powering to door motor 7, when current value exceedes specified value, sends overload detecting signal to controlling device for doors 6.
It is integrated by rubber elastomeric material for preventing from drawing in cover 10, and have: installation portion 11, it is fastened and fixed on the sidewall of munnion 4 by screw 14; Action movie 12, it is formed as wedge-like, configures close to sliding door 2, and its front end is inserted in clearance G; And movement arm 13, it to be extended on the inner side of gangway from installation portion 11 with the end of sliding door 2 opposition side towards sliding door 2 side arcuation convexly, and is connected with the root of action movie 12, and this movement arm has flexibility.
Below, the action of this safety device is described.
When sliding door 2 is opened, foreign matter 9 moves to preventing drawing in cover 10 side along with the movement of sliding door 2 according to shown in Fig. 1.So foreign matter 9 supports and prevents from drawing in cover 10 and push action arm 13.Therefore, movement arm 13 with its front towards clearance G mode, with the connecting portion of installation portion 11 for fulcrum bends, shown in Fig. 2, action movie 12 is drawn in clearance G.Further, the outer peripheral face of the wedge-like of action movie 12 connects with sliding door 12, stops foreign matter 9 to enter in clearance G.When sliding door 2 continues to move to enabling direction, action movie 12 gos deep in clearance G, and the friction force produced between sliding door 2 and action movie 12 increases.
Door motor 7 is configured to motor shaft and rotates with the rotating speed of regulation.When producing larger friction force between sliding door 2 and action movie 12, controlling device for doors 6 pairs of door motors 7 provide larger current value, to enable motor shaft maintain the rotating speed of regulation.Overload detecting device 8 detects the current value provided door motor 7, when current value exceedes specified value, sends overload detecting signal to controlling device for doors 6.
Controlling device for doors 6, when receiving overload detecting signal, stops the power supply to door motor 7, and the opening action of sliding door 2 is stopped.Then, door motor 7 is provided to the electric current of opposite polarity, make sliding door 2 carry out closing movement, make action movie 12 be automatically restored to initial condition.Or controlling device for doors 6, when receiving overload detecting signal, provides the electric current of opposite polarity to door motor 7, making sliding door 2 be reversed to closing movement from opening action, making action movie 12 be automatically restored to initial condition.
Like this, according to embodiment 1, preventing of being molded as one is drawn in cover 10 and is arranged on the munnion 4 of gangway frame 3, prevent foreign matter 9 to be drawn in clearance G by rubber elastomeric material.Therefore, it is possible to cut down the part count of safety device, make simple for structure, realize cost degradation, and easily safety device can be set in existing elevator.
In addition, safety device has overload detecting device 8, detects the current value provided door motor 7, when current value exceedes specified value, sends overload detecting signal to controlling device for doors 6.Therefore, when detecting the overload of door motor 7 by overload detecting device 8, the opening action of sliding door 2 can be made to stop at once or reverse and carry out closing movement, can reliably prevent foreign matter 9 to be drawn in clearance G.
At this, when preventing from drawing in cover 10 and being made into longer dimension and being arranged on munnion 4 with extending along the vertical direction, exist and produce the danger of following situation: action movie 12 to connect with sliding door 2 due to the flexure etc. of movement arm 13 and is drawn in clearance G, the opening action of sliding door 2 stops, even foreign matter 9 supports and prevents from drawing in cover 10, action movie 12 can not successfully be drawn in clearance G.
Preferably in 1, multiple preventing is set along the vertical direction apart from each other at munnion 4 and draws in cover 10.Therefore, it is possible to avoid the situation that such as movement arm 13 bends, action movie 12 connects with sliding door 2, foreign matter 9 support prevent from drawing in cover 10 time, action movie 12 is inserted in clearance G smoothly, thus can realize reliably and the safety device of stably action.In addition, prevent from drawing in cover 10 wear and tear, damage time, only change wearing and tearing, damage prevent draw in cover 10, service expenditure is low.
In addition, in above-mentioned embodiment 1, controlling device for doors 6 is when receiving the overload detecting signal of overload detecting device 8, stop the power supply to door motor 7, the opening action of sliding door 2 is stopped, but not necessarily needs to stop the power supply to door motor 7, the opening action of sliding door 2 is stopped.That is, increase in the deep amount of action movie 12 to clearance G, when making the friction force produced between sliding door 2 and action movie 12 exceed the limit of enabling ability of door motor 7, sliding door 2 stops automatically.
In addition, preventing drawing in cover 10 does not need in the overall region of the above-below direction being arranged on munnion 4, as long as the height and position place that the article being arranged on passenger are easily drawn into.
Embodiment 2
Fig. 4 is the birds-eye view preventing drawing in around cover of the safety device of the elevator that embodiments of the present invention 2 are shown, Fig. 5 is the birds-eye view preventing from drawing in the operating state of cover of the safety device of the elevator that embodiments of the present invention 2 are shown, Fig. 6 is the birds-eye view preventing from drawing in the reset mode of cover of the safety device of the elevator that embodiments of the present invention 2 are shown.
In the diagram, prevent drawing in cover 10A and have: installation portion 11, it is fastened and fixed on the sidewall of munnion 4 by screw 14; Action movie 15, it is formed as wedge-like, configures close to sliding door 2, and its front end is inserted in clearance G; And movement arm 13, it to be extended on the inner side of gangway from installation portion 11 with the end of sliding door 2 opposition side towards sliding door 2 side arcuation convexly, and is connected with the root of action movie 15, and this movement arm has flexibility.The position 16 of the front of the outer peripheral face of the wedge-like of action movie 15 has been implemented surface treatment, and friction coefficient is less than other position.Further, be formed as the comb shape tilted towards enabling direction in the outer peripheral face of the wedge-like of action movie 15 by the position 17 of root side than position 16.In addition, shaping prevent from drawing in cover 10A time, position 18 place of the root side of the wedge-like inner peripheral surface connected with the bight of munnion 4 when action movie 15 action, one-body molded have sheet metal, and intensity is greater than other position.
In addition, this embodiment 2 uses and prevents from drawing in cover 10A and substitute and prevent from drawing in cover 10, forms in addition in the same manner as above-mentioned embodiment 1.
Below, the action preventing from drawing in cover 10A formed like this is described.
When sliding door 2 opens the door, foreign matter 9 moves to preventing drawing in cover 10A side along with the movement of sliding door 2 according to shown in Fig. 5, prevents from drawing in cover 10A and push action arm 13 on supporting.Thus, movement arm 13 with its front towards clearance G mode, with the connecting portion of installation portion 11 for fulcrum bends, action movie 15 is inserted in clearance G.So the comb formed at the position 17 of action movie 15 is toppled over to enabling direction, and action movie 15 gos deep in clearance G, and the friction force produced between sliding door 2 and action movie 15 increases.
When the current value provided door motor 7 exceedes specified value, overload detecting device 8 sends overload detecting signal to controlling device for doors 6.Controlling device for doors 6, when receiving overload detecting signal, stops the power supply to door motor 7, and the opening action of sliding door 2 is stopped.Then, door motor 7 is provided to the electric current of opposite polarity, make sliding door 2 carry out closing movement, make action movie 15 be automatically restored to initial condition.
Preferably in 2, the friction coefficient at the position 16 of the outer peripheral face front of the wedge-like of action movie 15 is less than other position.Therefore, when sliding door 2 carries out opening action, even when making the front of action movie 15 connect with sliding door 2 for a certain reason, the situation such as action movie 15 also can being avoided to be drawn in clearance G the opening action of sliding door 2 is stopped.
When action movie 15 carries out action, the position 18 of the root side of the inner peripheral surface of the wedge-like connected with the bight of munnion 4 is high strength, thus, when action movie 15 gos deep in clearance G, the bight of such as munnion 4 can be suppressed to go deep in action movie 15 or action movie 15 is cut by the bight of munnion 4 and makes action movie 15 damage such situation to occur.
The position 17 of root side is leaned on to be formed as the comb shape tilted towards enabling direction than position 16 in the outer peripheral face of the wedge-like of action movie 15.Therefore, when sliding door 2 carries out opening action, comb tilts towards enabling direction further, and action movie 15 is easily goed deep in clearance G.Further, when sliding door 2 carries out closing movement, as shown in Figure 6, comb tilts towards direction of closing the door, and the friction force produced between the sliding door 2 in closing movement increases.Thus, action movie 15 is easily pull to deviate from from clearance G by the sliding door 2 carrying out closing movement.Therefore, by providing the electric current of opposite polarity to door motor 7, making sliding door 2 carry out closing movement, action movie 15 can be made reliably to be automatically restored to initial condition.Even if therefore, it is possible to suppress to make sliding door 2 carry out closing movement after safety device carries out action, prevent drawing in cover 10A and also can not automatically recover, passenger is trapped in the generation of the situation in car.
In addition, in above-mentioned embodiment 2, surface treatment is carried out to reduce friction coefficient to the position 16 of the front of the outer peripheral face of the wedge-like of action movie 15, but also can when forming action sheet 15, at the parts of the one-body molded low-friction coefficient in position 16.
In addition, in above-mentioned embodiment 2, the one-body molded sheet metal in position 18 in the root side of the inner peripheral surface of the wedge-like connected with the bight of munnion 4 is to increase intensity, but when forming action sheet 15, also can at position 18 one-body molded nonabradable parts or implement anti abrasive surface treatment.
In addition, in above-mentioned embodiment 2, the position 17 of the root side of the outer peripheral face of the wedge-like of action movie 15 is formed as comb shape, but the shape at position 17 is not limited to comb shape, as long as under being configured to be drawn into the state in clearance G at action movie 15, make the friction force produced between the sliding door 2 in closing movement and position 17 be greater than the friction force produced between sliding door 2 in opening action and position 17, the shape at position 17 also can be zig-zag that is wavy, triangle.
In addition, in the respective embodiments described above, safety device is arranged on car gangway, but this safety device also can be arranged on landing doorway.
In addition, in the respective embodiments described above, sliding door is double-open type, but sliding door 2 also can be single opened.In this case, prevent drawing in cover 10,10A is arranged on the munnion 4 of the opening direction of sliding door 2.
Claims (7)
1. a safety device for elevator, wherein,
The safety device of this elevator has: gangway frame, and it forms the gangway of elevator; Sliding door, itself and this gangway frame separates opening and closing with gap and moves; And prevent from drawing in cover, it is arranged on described gangway frame, prevents foreign matter to be drawn in described gap,
It is characterized in that,
Describedly prevent drawing in cover and have:
Installation portion, it is installed to be the state being fixed on described gangway frame;
Action movie, it is configured to close to described sliding door, and is formed as wedge-like, and the front of wedge-like is inserted in described gap; And
Movement arm, it has flexibility, convexly extended in the inner side of described gangway from described installation portion towards described slip reveal, and is connected with the root of described action movie.
2. the safety device of elevator according to claim 1, is characterized in that,
The friction coefficient of the front of the outer peripheral face of the wedge-like relative with described sliding door of described action movie is less than the friction coefficient of the other parts of this action movie.
3. the safety device of elevator according to claim 1, is characterized in that,
Described gangway frame be provided with apart from each other along the vertical direction multiple described in prevent from drawing in cover.
4. the safety device of elevator according to claim 3, is characterized in that,
The friction coefficient of the front of the outer peripheral face of the wedge-like relative with described sliding door of described action movie is less than the friction coefficient of the other parts of this action movie.
5., according to the safety device of the elevator in Claims 1 to 4 described in any one, it is characterized in that,
The root side of the outer peripheral face of the wedge-like relative with described sliding door of described action movie is configured to, under the state that described action movie is drawn in described gap, the friction force produced between the root side of the outer peripheral face of the described sliding door and described wedge-like that carry out closing movement is greater than the friction force produced between the root side of the outer peripheral face of the described sliding door and described wedge-like carrying out opening action.
6., according to the safety device of the elevator in Claims 1 to 4 described in any one, it is characterized in that,
When described action movie is drawn in described gap, the intensity at the position connected with the bight of described gangway frame of the inner peripheral surface of the wedge-like of described action movie is greater than the intensity of the other parts of described action movie.
7. according to the safety device of the elevator in Claims 1 to 4 described in any one, it is characterized in that, the safety device of described elevator has:
Door motor, it drives described sliding door;
Overload detecting device, it detects the overload of described door motor; And
Controlling device for doors, it makes described door motor action, makes described sliding door opening/closing,
Described controlling device for doors receives the overload detecting signal of described overload detecting device, controls described door motor and the opening action of described sliding door is stopped.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2012/064521 WO2013183125A1 (en) | 2012-06-06 | 2012-06-06 | Elevator safety device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104379487A CN104379487A (en) | 2015-02-25 |
| CN104379487B true CN104379487B (en) | 2016-03-09 |
Family
ID=49711542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280073706.XA Expired - Fee Related CN104379487B (en) | 2012-06-06 | 2012-06-06 | The safety device of elevator |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5726379B2 (en) |
| CN (1) | CN104379487B (en) |
| WO (1) | WO2013183125A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016094267A (en) * | 2014-11-13 | 2016-05-26 | パナソニック ホームエレベーター株式会社 | Elevator operation apparatus |
| CN106516953B (en) * | 2016-12-08 | 2018-11-13 | 宁波永良电梯技术发展有限公司 | Elevator car door system |
| CN106516952B (en) * | 2016-12-08 | 2018-11-27 | 宁波永良电梯技术发展有限公司 | Elevator car door system |
| JP7230763B2 (en) * | 2019-10-03 | 2023-03-01 | ブラザー工業株式会社 | Machine Tools |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102264625A (en) * | 2009-04-08 | 2011-11-30 | 三菱电机株式会社 | Door controlling device for elevator |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5248487Y1 (en) * | 1965-09-02 | 1977-11-04 | ||
| JPS5248487A (en) * | 1975-10-15 | 1977-04-18 | Kinsekishiya Kenkyusho:Kk | Quarts oscillator-element |
| JPS53128840A (en) * | 1977-04-18 | 1978-11-10 | Mitsubishi Electric Corp | Doorway device for elevator |
| JPS572975U (en) * | 1980-06-05 | 1982-01-08 | ||
| JP2675356B2 (en) * | 1988-10-18 | 1997-11-12 | 株式会社日立製作所 | Elevator door control device |
| JPH0867471A (en) * | 1994-08-30 | 1996-03-12 | Mitsubishi Denki Bill Techno Service Kk | Door abnormality detection device of elevator |
| JP5312245B2 (en) * | 2009-07-24 | 2013-10-09 | 株式会社信明産業 | Device for preventing accidents such as pinching of fingers in automatic doors |
-
2012
- 2012-06-06 WO PCT/JP2012/064521 patent/WO2013183125A1/en active Application Filing
- 2012-06-06 JP JP2014519746A patent/JP5726379B2/en not_active Expired - Fee Related
- 2012-06-06 CN CN201280073706.XA patent/CN104379487B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102264625A (en) * | 2009-04-08 | 2011-11-30 | 三菱电机株式会社 | Door controlling device for elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5726379B2 (en) | 2015-05-27 |
| JPWO2013183125A1 (en) | 2016-01-21 |
| CN104379487A (en) | 2015-02-25 |
| WO2013183125A1 (en) | 2013-12-12 |
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