CN102642758A - Simple elevator car door lock - Google Patents
Simple elevator car door lock Download PDFInfo
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- CN102642758A CN102642758A CN2012101493933A CN201210149393A CN102642758A CN 102642758 A CN102642758 A CN 102642758A CN 2012101493933 A CN2012101493933 A CN 2012101493933A CN 201210149393 A CN201210149393 A CN 201210149393A CN 102642758 A CN102642758 A CN 102642758A
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Abstract
The invention discloses a simple elevator car door lock, which comprises a door knife mechanism arranged on a door opening machine and driven by a motor driving belt, a car door lock hook, and a lock catch matched with the car door lock hook, wherein the lock catch is fixed on an upper ridge of the door opening machine, and the car door lock hook is matched with the door knife mechanism in a linkage mode; when an elevator is positioned in a hall door unlocking area, a door ball is clamped by the door knife mechanism, so that the car door lock hook is separated from the lock catch; and when the elevator is positioned in a hall door locking area, the door knife mechanism is folded, so that the car door lock hook is buckled with the lock catch, and the elevator car door can not be opened. The simple elevator car door lock has a simple structure and high reliability, and is convenient to install and maintain.
Description
Technical field
The present invention relates to a kind of simple type elevator cage door lock.
Background technology
Stipulate among the 12.2.1 among the standard GB 75-88-2003 " elevator manufacturing and installation safety standard ": the horizontal throw at the edge, nearest doorway of elevator hoistways inside face and car sill, car door framework or sliding door should be greater than 0.15 m.Wherein also the regulation: if car be equipped with mechanical interlocking the door and can only layer door unblank the district in open; Except the said situation of 7.7.2.2; The locking of gate should be automatically depended in the operation of elevator; And gate locking must confirm that then above-mentioned spacing is unrestricted by the electric safety device that meets the 14.1.2 requirement.Can meet standard if install the gate lock additional when the distance of defined surpasses 0.15m among the event 11.2.1, the effect of gate lock promptly can only just can be opened gate at the onlocking zone of layer door, to prevent the generation of safety misadventure.
On the door opener of elevator cage door a cutter mechanism is installed all usually at present, croquet then is installed on layer door, when door cutter mechanism clamping croquet, door opener can drive layer door and together open.Yet existing gate lock is that a latching device that is independent of a cutter mechanism is set at the door opener place mostly; And a unlocking apparatus that is independent of croquet is set on layer door again; When the onlocking zone of gate at layer door, thus unlocking apparatus open the latching device at gate place and reach normal door, and if at non-onlocking zone; Then the latching device at gate door opener place can not be unlocked, and gate just can not be opened.The shortcoming of this gate lock is a complex structure, during erection cost, both wasted material cost and also wasted personnel's installation work-hour, and the gate lock is in case damage repairs comparatively difficulty.
Summary of the invention
The present invention seeks to: provide a kind of simple in structure, reliability is high, simple type elevator cage door lock easy to installation and maintenance.
Technical scheme of the present invention is: a kind of simple type elevator cage door lock; Comprise and being installed on the door opener and by the door cutter mechanism of motor driving belt; It is characterized in that: said elevator cage door lock also comprises car gate lock hook and the snap close that matches with this car gate lock hook; Said snap close is fixed on the door opener on the bank, and said car gate lock hook is linked with a door cutter mechanism; When elevator was positioned at layer door onlocking zone, said door cutter mechanism clamping croquet made said car gate lock hook and snap close be separated; And when elevator was positioned at the non-onlocking zone of layer door, said door cutter mechanism drew in, made said car gate lock hook and snap close be interlocked, and gate can't be opened.
Said door cutter mechanism comprises a cutter base plate, first blade, second blade, a pair of first rocking bar, a pair of second rocking bar, contiguous block, connecting panel and the spacing ball that leans on; Wherein said door cutter base plate is fixed on the gate link plate of left side, and said contiguous block is fixed on the said drive of motor band, and connecting panel one end is articulated on this contiguous block; Saidly spacingly be installed in the lower end of connecting panel, left and right displacement take place with the rotation of connecting panel by ball; One end of said two first rocking bars all is articulated on first blade, and the other end then is articulated on the cutter base plate; One end of said two second rocking bars all is articulated on second blade, and the other end of one of them second rocking bar is articulated on the cutter base plate, and the other end of another second rocking bar then is articulated on the aforementioned connecting panel; When elevator was positioned at layer door onlocking zone, said croquet was between first blade and second blade, and said first blade makes car gate lock hook and snap close be separated against croquet; And when elevator is positioned at the non-onlocking zone of layer door, said croquet not between first blade and second blade, said first blade to a side fall and against spacing by ball, make snap close and car gate lock hook be interlocked, gate can't be opened.
On the left side gate link plate of the door opener on the left of described car gate lock hook is hinged on through hinge; Said first blade is provided with a vertical chute; The lower end of said contiguous block is hinged with the interlock piece; One and the contacted limited roller of gate latch hook are housed on this interlock piece, and the fixing axis of guide in the bottom of this interlock piece, the said axis of guide stretch in the said vertical chute, also ability slide up and down along this vertical chute.
Described car gate lock hook is the L type, and the one of which end is provided with hook, and the lower end of its other end and said contiguous block is hinged, and the corner between wherein is provided with an axis of guide; Said first blade is provided with a vertical chute, and the said axis of guide stretches in the said vertical chute, also can slide up and down along this vertical chute.
Advantage of the present invention is:
This elevator cage door lock of the present invention compared with prior art, has following advantage:
1, elevator cage door lock of the present invention directly improves on original cutter mechanism of elevator and door opener; It is through the mutual action between car gate lock hook and the snap close; And only need to reach the purpose of release, and need not on door opener and layer door, to install or increase the locking and the unlocking apparatus of any complicacy, so integral structure is simple and reliable by the croquet that former layer door is provided with; Install and keep in repair convenient, debug also simple.
2, this elevator cage door lock so both practiced thrift the installation work-hour that material cost has also been practiced thrift personnel, helps improving greatly the installation effectiveness that gate is locked owing to need unlocking apparatus all be set at each layer of elevator door.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further described:
Fig. 1 is the structural representation of the embodiment of the invention one;
Fig. 2 is the thin bilge construction scheme drawing of the embodiment of the invention one;
The view of door cutter mechanism when Fig. 3 is positioned at layer door onlocking zone for elevator in the embodiment of the invention one;
The view of door cutter mechanism when Fig. 4 is positioned at the non-onlocking zone of layer door for elevator in the embodiment of the invention one;
Fig. 5 is the structural representation of the embodiment of the invention two;
Fig. 6 is the thin bilge construction scheme drawing of the embodiment of the invention two;
The view of door cutter mechanism when Fig. 7 is positioned at layer door onlocking zone for elevator in the embodiment of the invention two;
The view of door cutter mechanism when Fig. 8 is positioned at the non-onlocking zone of layer door for elevator in the embodiment of the invention two;
Wherein: bank on 1 door opener, 2 gate link plates, 3 motors, 4 drive of motor bands, 5 cutter mechanisms, 5-1 door cutter base plate, 5-2 first blade, 5-3 second blade, 5-4 first rocking bar, 5-5 second rocking bar, 5-6 contiguous block, 5-7 connecting panel; Spacing ball, 6 croquets, 7 snap closes, 8 car gate lock hook, 9 hinges, the 10 vertical chutes of leaning on of 5-8,11 axis of guides, 12 interlock pieces, 13 limited rollers.
The specific embodiment
Embodiment one:
This elevator cage door lock as depicted in figs. 1 and 2, that present embodiment provides, it mainly constitutes by being installed on the door opener and by door cutter mechanism 5, the car gate lock hook 8 of drive of motor band 4 transmissions and the snap close 7 that matches with car gate lock hook.
The door opener that relates in the present embodiment is the same with routine techniques, comprises bank 1 on the door opener, motor 3, drive of motor band 4 and left and right sides gate link plate 2.Wherein motor 3 is fixed on the door opener on the bank 1, and drive of motor band 4 drives through motor 3 and makes cycle, and the bottom of said left and right side gate link plate 2 is used to drive the gate folding with corresponding gate (figure does not show) upper fixed; And realize interlock through rope mechanism (figure does not show) between the left and right side gate link plate 2.
As shown in Figure 1; Door cutter mechanism 5 in the present embodiment is installed on the left side gate link plate 2 of door opener; And connect said drive of motor band 4, specific as follows: said door cutter mechanism 5 comprises a cutter base plate 5-1, the first blade 5-2, the second blade 5-3, a pair of first rocking bar 5-4, a pair of second rocking bar 5-5, contiguous block 5-6, connecting panel 5-7 and the spacing ball 5-8 of leaning on; Wherein door cutter base plate 5-1 is fixed on the side gate link plate 2 of door opener, and contiguous block 5-6 is fixed on the drive of motor band 4 of door opener, and connecting panel 5-7 one end is articulated on this contiguous block 5-6; Left and right displacement takes place with the rotation of connecting panel 5-7 in the said spacing lower end of leaning on ball 5-8 to be installed in connecting panel 5-7; The end of said two first rocking bar 5-4 all is articulated on the first blade 5-2, and the other end then is articulated on the cutter base plate 5-1; The end of said two second rocking bar 5-5 all is articulated on the second blade 5-3, and the other end of one of them second rocking bar 5-5 is articulated on the cutter base plate 5-1, and the other end of another second rocking bar 5-5 then is articulated on the aforementioned connecting panel 5-7; Said drive of motor band 4 is in the cycle process, and the plate 5-7 that is dynamically connected of the slip band through contiguous block 5-6 rotates, and makes the spacing ball 5-8 of leaning on that sway take place, thereby controls opening and drawing in of first cutter 5-2 and second cutter 5-3.
Said snap close 7 is fixed on the door opener on the bank 1, said car gate lock hook 8 be linked with door cutter mechanism 5 (i.e. the action that the action of a cutter mechanism 5 can be controlled car gate lock hook 8).Wherein, Realize being linked through following fit between car gate lock hook 8 and the door cutter mechanism 5: described car gate lock hook 8 is hinged on the left side gate link plate 2 of door opener through hinge 9; The said first blade 5-2 is provided with a vertical chute 10; The lower end of said contiguous block 5-6 is hinged with an interlock piece 12 with car gate lock hook 8 contact matching; Be equipped with on this interlock piece one contacted with the gate latch hook, can directly limit the limited roller 13 of gate latch hook position, the fixing axis of guide 11 in bottom of this interlock piece, the said axis of guide 11 stretch in the said vertical chute 10, and can slide up and down along this vertical chute.
The described this elevator cage door lock of present embodiment is directly realized release by original croquet 6 (dotted line is represented among the figure) that is installed on the elevator door and cooperates with door cutter mechanism 5, and the assembly relation between said croquet 6 and the layer door is all referring to routine techniques.Its concrete principle of work is following:
As shown in Figure 3; When elevator is positioned at layer door onlocking zone; Croquet 6 (among the figure shown in the dotted line) is clamped between two blades of a cutter mechanism 5, and the first blade 5-2 is resisted against on the croquet 6, and the position of the piece 12 that links this moment receives the common influence of vertical chute 10 and connecting panel 5-7 lower end; The part that causes interlock piece 12 to contact with car gate lock hook 8 can move down; Thereby compressing car gate lock hook 8 makes car gate lock hook 8 around the rotation of hinge 9 anticlockwise directions, and so, thereby the locking end (right-hand member) of car gate lock hook 8 will move up makes car gate lock hook 8 and snap close 7 be separated (mutually noninterfere); So door cutter mechanism 5 integral body can together move together with gate link plate 2, and gate is opened.Door cutter mechanism 5 forces layer door also together to be opened by clamping croquet 6 moves simultaneously.
Refer again to shown in Figure 4; When elevator is positioned at the non-onlocking zone of layer door; Owing to do not have croquet 6 between two blades of door cutter mechanism 5, thus the first blade 5-2 since the self gravitation effect down rotate, spacing up to running into by till the ball 5-8; This moment, variation took place with respect to Fig. 3 in the position of vertical chute 10 and connecting panel 5-7 lower end; The position of interlock piece 12 receives the common influence of vertical chute 10 and connecting panel 5-7 lower end, and the part (being limited roller 13) that causes interlock piece 12 to contact with car gate lock hook 8 can move up, and the locking end (right-hand member) of car gate lock hook 8 is influenced by self gravitation and moves down (center-of-gravity position that hinge 9 is not positioned at gate latch hook 8); Thereby make car gate lock hook 8 and snap close 7 lock together (this function also can realize through retracing spring is set) on car gate lock hook; So car gate lock hook 8 will certainly stop a cutter mechanism 5 and gate link plate 2 to move to the left, thereby can't accomplish the action of opening the door, and makes gate to open.
Embodiment two:
Like Fig. 5, shown in Figure 6, this elevator cage door lock that present embodiment provides also mainly constitutes by being installed on the door opener and by door cutter mechanism 5, the car gate lock hook 8 of drive of motor band 4 transmissions and the snap close 7 that matches with car gate lock hook.
The door opener that relates in the present embodiment is the same with routine techniques, comprises bank 1 on the door opener, motor 3, drive of motor band 4 and left and right sides gate link plate 2.Wherein motor 3 is fixed on the door opener on the bank 1, and drive of motor band 4 drives through motor 3 and makes cycle, and the bottom of said left and right side gate link plate 2 is used to drive the gate folding with corresponding gate (figure does not show) upper fixed; And realize interlock through rope mechanism (figure does not show) between the left and right side gate link plate 2.
As shown in Figure 5; Door cutter mechanism 5 in the present embodiment is installed on the gate link plate 2 in left side; And connect said drive of motor band 4, specific as follows: said door cutter mechanism 5 comprises a cutter base plate 5-1, the first blade 5-2, the second blade 5-3, a pair of first rocking bar 5-4, a pair of second rocking bar 5-5, contiguous block 5-6, connecting panel 5-7 and the spacing ball 5-8 of leaning on; Wherein door cutter base plate 5-1 is fixed on the left side gate link plate 2 of door opener, and contiguous block 5-6 is fixed on the drive of motor band 4 of door opener, and connecting panel 5-7 one end is articulated on this contiguous block 5-6; Left and right displacement takes place with the rotation of connecting panel 5-7 in the said spacing lower end of leaning on ball 5-8 to be installed in connecting panel 5-7; The end of said two first rocking bar 5-4 all is articulated on the first blade 5-2, and the other end then is articulated on the cutter base plate 5-1; The end of said two second rocking bar 5-5 all is articulated on the second blade 5-3, and the other end of one of them second rocking bar 5-5 is articulated on the cutter base plate 5-1, and the other end of another second rocking bar 5-5 then is articulated on the aforementioned connecting panel 5-7; Said drive of motor band 4 is in the cycle process, and the plate 5-7 that is dynamically connected of the slip band through contiguous block 5-6 rotates, and makes the spacing ball 5-8 of leaning on that sway take place, thereby controls opening and drawing in of first cutter 5-2 and second cutter 5-3.
Above-mentioned snap close 7 is fixed on the door opener on the bank 1, and above-mentioned car gate lock hook 8 is linked with a door cutter mechanism 5, i.e. the action of door cutter mechanism 5 can be controlled the action of car gate lock hook 8.
And the main difference point of present embodiment and embodiment one is; Car gate lock hook 8 realizes linking joining through following fit with door cutter mechanism 5 and realizes: described car gate lock hook 8 is the L type; One of which end (locking end) is provided with hook; The lower end of its other end and said contiguous block 5-6 is hinged, and the corner between wherein is provided with an axis of guide 11; The said first blade 5-2 is provided with a vertical chute 10, and the said axis of guide 11 stretches in the said vertical chute 10, also can slide up and down along this vertical chute.
The described this elevator cage door lock of present embodiment is directly realized release by original croquet 6 (dotted line is represented among the figure) that is installed on the elevator door and cooperates with door cutter mechanism 5, and the assembly relation between said croquet 6 and the layer door is all referring to routine techniques.Its concrete principle of work is following:
As shown in Figure 7; When elevator is positioned at layer door onlocking zone; Croquet 6 (among the figure shown in the dotted line) is clamped between two blades of a cutter mechanism 5; And the first blade 5-2 is resisted against on the croquet 6, this moment car gate lock hook 8 the position owing to receive vertical chute 10 and the common influence of connecting panel 5-7 lower end, its locking end (that end that promptly has hook) will move down and make car gate lock hook 8 and snap close 7 be separated (both mutually noninterferes); So door cutter mechanism 5 integral body can together move together with gate link plate 2, and gate is opened.Door cutter mechanism 5 forces layer door also together to be opened by clamping croquet 6 moves simultaneously.
Refer again to shown in Figure 8; When elevator is positioned at the non-onlocking zone of layer door; Owing to do not have croquet 6 between two blades of door cutter mechanism 5, the first blade 5-2 is owing to the effect of self gravitation is down rotated, till meeting the spacing ball 5-8 of leaning on; This moment, variation took place with respect to Fig. 7 in the position of vertical chute 10 and connecting panel 5-7 lower end; The position of gate hook 8 receives the common influence of vertical chute 10 and connecting panel 5-7 lower end, thereby its locking end moves up car gate lock hook 8 and snap close 7 are locked together (both interfere each other), so car gate lock hook 8 will certainly stop a cutter mechanism 5 and gate link plate 2 to move to the left; Thereby can't accomplish the action of opening the door, make gate to open.
It is thus clear that; Elevator cage door lock among above-mentioned two embodiment directly improves on original cutter mechanism of elevator 5 and door opener, and it passes through the mutual action between snap close 7 and the car gate lock hook 8, and only needs can reach by the croquet 6 that former layer door is provided with the purpose of release; And need not on door opener and layer door, to install or increase the locking and the unlocking apparatus of any complicacy; So integral structure is simple and reliable, install and keep in repair convenient, debug also simple.Simultaneously said elevator cage door lock not be owing to need all be provided with unlocking apparatus at each layer of elevator door, so both practiced thrift the installation work-hour that material cost has also been practiced thrift personnel, helps improving greatly the installation effectiveness that gate is locked.
Need to prove that elevator is anti-to be taken off on the cutter if other people are used in the technical scheme of elevator cage door lock of the present invention,
Certainly, the foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to let people can understand content of the present invention and implements according to this, can not limit protection scope of the present invention with this.Elevator cage door lock construction of the present invention also can directly be used in anti-taking off on the cutter; Play the anti-effect of taking off; If other people directly apply to an anti-cutter of taking off with main technical schemes of the present invention; Just belong to the equivalent transformation that the spirit of the main technical schemes according to the present invention is done, should be encompassed within protection scope of the present invention.
Claims (4)
1. simple type elevator cage door lock; Comprise and being installed on the door opener and by the door cutter mechanism (5) of drive of motor band (4) transmission; It is characterized in that: the snap close (7) that said elevator cage door lock also comprises car gate lock hook (8) and matches with this car gate lock hook; Said snap close (7) is fixed on the bank on the door opener (1), and said car gate lock hook (8) is linked with door cutter mechanism (5); When elevator was positioned at layer door onlocking zone, said door cutter mechanism (5) clamping croquet (6) made said car gate lock hook (8) and snap close (7) be separated; And when elevator was positioned at the non-onlocking zone of layer door, said door cutter mechanism (5) drew in, made said car gate lock hook (8) and snap close (7) be interlocked, and gate can't be opened.
2. simple type elevator cage door lock according to claim 1 is characterized in that: said door cutter mechanism (5) comprises a cutter base plate (5-1), first blade (5-2), second blade (5-3), a pair of first rocking bar (5-4), a pair of second rocking bar (5-5), contiguous block (5-6), connecting panel (5-7) and the spacing ball (5-8) that leans on; Wherein said door cutter base plate (5-1) is fixed on the left side gate link plate (2) of door opener, and said contiguous block (5-6) is fixed on the said drive of motor band (4), and connecting panel (5-7) end is articulated on this contiguous block (5-6); Left and right displacement takes place with the rotation of connecting panel (5-7) in the said spacing lower end of leaning on ball (5-8) to be installed in connecting panel (5-7); One end of said two first rocking bars (5-4) all is articulated on first blade (5-2), and the other end then is articulated on the cutter base plate (5-1); One end of said two second rocking bars (5-5) all is articulated on second blade (5-3); And the other end of one of them second rocking bar (5-5) is articulated on the cutter base plate (5-1), and the other end of another second rocking bar (5-5) then is articulated on the aforementioned connecting panel (5-6);
When elevator was positioned at layer door onlocking zone, said croquet (6) was positioned between first blade (5-2) and second blade (5-3), and said first blade (5-2) makes car gate lock hook (8) and snap close (7) be separated against croquet (6); And when elevator is positioned at the non-onlocking zone of layer door; Said croquet (6) is not between first blade (5-2) and second blade (5-3); Said first blade (5-2) falls and against the spacing ball (5-8) that leans on to a side; Make snap close (7) and car gate lock hook (8) be interlocked, gate can't be opened.
3. simple type elevator cage door lock according to claim 2; It is characterized in that: described car gate lock hook (8) is hinged on the left side gate link plate (2) of door opener through hinge (9); Said first blade (5-2) is provided with a vertical chute (10); The lower end of said contiguous block (5-6) is hinged with interlock piece (12); One and the contacted limited roller of gate latch hook (13) are housed on this interlock piece, and the fixing axis of guide (11) in the bottom of this interlock piece, the said axis of guide (11) stretch in the said vertical chute (10), also ability slide up and down along this vertical chute.
4. simple type elevator cage door lock according to claim 2; It is characterized in that: described car gate lock hook (8) is the L type; The one of which end is provided with hook, and the lower end of its other end and said contiguous block (5-6) is hinged, and the corner between wherein is provided with an axis of guide (11); Said first blade (5-2) is provided with a vertical chute (10), and the said axis of guide (11) stretches in the said vertical chute (10), also can slide up and down along this vertical chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101493933A CN102642758B (en) | 2012-05-15 | 2012-05-15 | Simple elevator car door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101493933A CN102642758B (en) | 2012-05-15 | 2012-05-15 | Simple elevator car door lock |
Publications (2)
| Publication Number | Publication Date |
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| CN102642758A true CN102642758A (en) | 2012-08-22 |
| CN102642758B CN102642758B (en) | 2013-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101493933A Active CN102642758B (en) | 2012-05-15 | 2012-05-15 | Simple elevator car door lock |
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| CN (1) | CN102642758B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104150333A (en) * | 2014-08-20 | 2014-11-19 | 快意电梯股份有限公司 | Lift car door lock device and operation method thereof |
| CN104150333B (en) * | 2014-08-20 | 2016-11-30 | 快意电梯股份有限公司 | A kind of elevator car door locking device and method of work thereof |
| CN107399661A (en) * | 2016-05-19 | 2017-11-28 | 三菱电机上海机电电梯有限公司 | Elevator car door locking device |
| WO2017208595A1 (en) * | 2016-06-02 | 2017-12-07 | 株式会社日立製作所 | Elevator device |
| CN110054064A (en) * | 2019-05-27 | 2019-07-26 | 展鹏科技股份有限公司 | Inner clamping type door knife car door locking device and method |
| US11247872B2 (en) | 2018-10-17 | 2022-02-15 | Otis Elevator Company | Elevator car door interlock |
| US11254542B2 (en) | 2018-08-20 | 2022-02-22 | Otis Elevator Company | Car door interlock |
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| CN101748943A (en) * | 2010-03-05 | 2010-06-23 | 苏州易升电梯部件有限公司 | Lift car gate lock |
| CN202575659U (en) * | 2012-05-15 | 2012-12-05 | 苏州易升电梯部件有限公司 | Easy type elevator car door lock |
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| JPH01294190A (en) * | 1988-03-18 | 1989-11-28 | Inventio Ag | Door drive with locking mechanism for elevator |
| JPH05155570A (en) * | 1991-12-03 | 1993-06-22 | Mitsubishi Electric Corp | Lock of elevator door |
| JP2008110872A (en) * | 2006-10-05 | 2008-05-15 | Sematic Italia Spa | Active chute for door of cabin of elevator |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104150333A (en) * | 2014-08-20 | 2014-11-19 | 快意电梯股份有限公司 | Lift car door lock device and operation method thereof |
| CN104150333B (en) * | 2014-08-20 | 2016-11-30 | 快意电梯股份有限公司 | A kind of elevator car door locking device and method of work thereof |
| CN107399661A (en) * | 2016-05-19 | 2017-11-28 | 三菱电机上海机电电梯有限公司 | Elevator car door locking device |
| CN107399661B (en) * | 2016-05-19 | 2019-08-27 | 三菱电机上海机电电梯有限公司 | Elevator car door locking device |
| WO2017208595A1 (en) * | 2016-06-02 | 2017-12-07 | 株式会社日立製作所 | Elevator device |
| CN109071179A (en) * | 2016-06-02 | 2018-12-21 | 株式会社日立制作所 | Lift appliance |
| JPWO2017208595A1 (en) * | 2016-06-02 | 2019-02-21 | 株式会社日立製作所 | Elevator equipment |
| CN109071179B (en) * | 2016-06-02 | 2020-09-18 | 株式会社日立制作所 | Elevator device |
| US11254542B2 (en) | 2018-08-20 | 2022-02-22 | Otis Elevator Company | Car door interlock |
| US11247872B2 (en) | 2018-10-17 | 2022-02-15 | Otis Elevator Company | Elevator car door interlock |
| CN110054064A (en) * | 2019-05-27 | 2019-07-26 | 展鹏科技股份有限公司 | Inner clamping type door knife car door locking device and method |
| CN110054064B (en) * | 2019-05-27 | 2023-10-17 | 展鹏科技股份有限公司 | Inner clamping type door knife car door lock device and method |
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|---|---|
| CN102642758B (en) | 2013-12-04 |
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