CN103935873B - A kind of synchronous door knife device of the band car door lock for elevator - Google Patents
A kind of synchronous door knife device of the band car door lock for elevator Download PDFInfo
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- CN103935873B CN103935873B CN201410119520.4A CN201410119520A CN103935873B CN 103935873 B CN103935873 B CN 103935873B CN 201410119520 A CN201410119520 A CN 201410119520A CN 103935873 B CN103935873 B CN 103935873B
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Abstract
The invention discloses a kind of synchronous door knife device of the band car door lock for elevator, comprising: door cutter base plate, be arranged on the door machine of elevator; First blade and the second blade, to be movably arranged on described door cutter base plate and mutually to link; Transmission arm, to be rotatably connected on described door cutter base plate and to link with door machine driver train, for driving described first blade and the second blade folding; Jam plate, is coupling on described door cutter base plate, and with the dead bolt matched with the closure on door machine; Unlock transmission arm, hinged with described second blade, and offset to drive jam plate release the lock with described jam plate; Unlock blade, hinged with described unblock transmission arm between described first blade and the second blade, for doing mutually to unlock transmission arm in order to drive with layer croquet.Elevator cage door lock and synchronous door knife set are arranged on a machine by the present invention, facilitate installation and debugging, meanwhile, do not have special requirement to layer door system, meet the regulation to elevator safety performance in national standard.
Description
Technical field
The present invention relates to elevator technology field, be specifically related to a kind of synchronous door knife device of the band car door lock for elevator.
Background technology
Generally using of elevator brings convenience to the life of people, and meanwhile, the safety performance of elevator also receives publicity day by day.
11.2.1 regulation in China GB GB 7588-2003: " horizontal throw at the edge, nearest doorway of elevator hoistways inside face and car sill, car door framework or sliding door should not be greater than 0.15m.If car is equipped with the door of mechanical interlocking and can only opens in the district of unblanking of floor door, except extraordinary circumstances, the operation of elevator automatically should depend on the locking of gate, and gate locking must have electric safety device to confirm, then above-mentioned spacing is unrestricted ".
In order to meet the requirement of GB, in prior art, usually adding fender wall at hoistway inside face or installing independently car door lock, avoid when Lift out of order, passenger does not understand correct mean of escape, opens gate escape, thus causes danger.
But, the cost installing fender wall at hoistway inside face is higher, and elevator installation period is extended, and independently car door lock is installed, then need to unlock blade in each storey setting, this harmonizes to the unblock blade of car door lock and each floor when lift-mounting accurately with regard to needing, ensure to open car door lock accurately at the unblock blade of each floor, when the situation that floor is too high, car runs up and down and has deviation unavoidably, bring larger difficulty to the installation of the unblock blade of each floor, also make the fault rate of car door lock significantly increase simultaneously.
In prior art, the door cutter of elevator and car door lock great majority set up respectively, and when mounted, need carry out the debugging of a cutter and car door lock cooperation, not only efficiency is low, also can causing trouble rate increase meanwhile.
Summary of the invention
The invention provides a kind of synchronous door knife device of the band car door lock for elevator, be arranged on gate by elevator cage door lock and synchronous door knife set, Installation and Debugging are convenient, and safety performance is good.
For a synchronous door knife device for the band car door lock of elevator, comprising:
Door cutter base plate, is arranged on the door machine of elevator;
First blade and the second blade, to be movably arranged on described door cutter base plate and mutually to link;
Transmission arm, to be rotatably connected on described door cutter base plate and to link with door machine driver train, for driving described first blade and the second blade folding;
Jam plate, is coupling on described door cutter base plate, and with the dead bolt matched with the closure on door machine;
Unlock transmission arm, hinged with described second blade, and offset to drive jam plate release the lock with described jam plate;
Unlock blade, hinged with described unblock transmission arm between described first blade and the second blade, for doing mutually to unlock transmission arm in order to drive with layer croquet.
In the normal operational process of elevator, door machine driver train drives transmission arm motion, makes the first blade and the second blade keep, mutually away from state, layer croquet being walked between the first blade and the second blade.
The process of normal unlatching gate and layer door is: cage operation to layer door sustained height position after (elevator onlocking zone), layer croquet is in the first blade and unlocks between blade, under the driving of door machine driver train, gate is opened, the door cutter base plate be arranged on gate (door machine is fixed with link plate with gate motion, gate and link plate fix, door cutter base plate also fixes with link plate, in the process of switch gate, link plate drives door cutter base plate and gate to be synchronized with the movement), be arranged on unblock blade on a cutter base plate under the barrier effect of layer croquet, close to the second blade, and drive unblock transmission arm to overturn against jam plate, remove the fastening state of dead bolt and closure, make a machine driver train that gate can be driven to continue to open, continuing in the process of opening, transmission arm makes the first blade and the second blade mutually draw close under the drive of door machine driver train, also be clamped in the first blade by layer croquet and unlock between blade, layer door is driven to open together by layer croquet.
The process of normal closedown gate and layer door is: under the drive of door machine driver train, first blade and unblock cutting blade clip are held layer croquet and then are driven the motion of layer door, unlock blade under the barrier effect of layer croquet, keep the lifting status of jam plate, after moving to the closedown of layer door, layer croquet no longer moves, unlock blade and reset (namely leaving the second blade certain distance), unlock transmission arm remove to jam plate against, dead bolt engages with closure, complete the closedown of gate, after gate is closed, door machine driver train drives transmission arm to continue mobile slight distance, first blade and the second blade are recovered mutually away from state, car is enable to continue motion.
During elevator faults, if at non-onlocking zone, now, there is no a layer croquet between first blade and the second blade, unlock blade owing to there is no the stop of layer croquet, can not near the second blade, also unblock transmission arm just can not be driven to unlock against jam plate, and gate and layer door all cannot be opened.
As preferably, between the first blade and the second blade, be hinged with two swivel arms for linking, two swivel arm arrangement in parallels, and the middle part of swivel arm respectively with described door cutter base plate hinged, described transmission arm is connected with at least one swivel arm by drive disk assembly.
First blade, the second blade and two swivel arms form parallelogram sturcutres, two swivel arm synchronous axial system, when two swivel arms rotate, the first blade and the second blade can be driven mutually to draw close or mutually away from.
As preferably, described drive disk assembly is lifting rod, the two ends of this lifting rod respectively with transmission arm and a swivel arm hinged.
Described lifting rod and transmission arm are in a both sides for cutter base plate place plane respectively, and the jointed shaft between lifting rod and transmission arm runs through a cutter base plate, and door cutter base plate is provided with spacing hole, and described jointed shaft is in spacing hole.
Drive lifting rod motion when transmission arm rotates, lifting rod drives swivel arm to rotate further, then drive the first blade and the second blade mutually to draw close by swivel arm or mutual away from.
As preferably, described transmission arm is provided with the arm axle linked with door machine driver train.Door machine driver train drives arm axle to do straight-line motion, and then drives transmission arm to rotate.
The drive motor that described door machine driver train is Timing Belt and matches, described arm axle is connected on Timing Belt.Because arm axle does straight-line motion, and transmission arm rotates, and therefore, is not fixedly connected with between arm axle with Timing Belt, and arm axle can rotate by relative synchronization band.
As preferably, described door cutter base plate is hinged with stopper arms, and described transmission arm is provided with the bayonet socket matched with stopper arms; Stopper arms is provided with and matches for the guide wheel guiding stopper arms to depart from bayonet socket with the guide plate on door machine.
When gate is by door-closing in-place, stopper arms lifts disengaging bayonet socket under the guiding of guide wheel, transmission arm continue with door machine driver train motion, drive lifting rod motion, lifting rod drive swivel arm rotate, swivel arm drive the first blade and the second blade mutually away from.
Described door cutter base plate is provided with the retracing spring be connected with stopper arms.When not contacting with the guide plate on door machine, retracing spring makes stopper arms keep the state matched with the bayonet socket on transmission arm.
As preferably, between described transmission arm and door cutter base plate, being provided with spring, for promoting transmission arm rotation, the first blade and the second blade being closed up.
Described spring is stage clip, work as elevator faults, and when car is in onlocking zone, need in car or the Room opens Room door and gate outdoors, when cut-out door machine driver train is powered, under the action of the spring, transmission arm rotates, and the first blade and the second blade are closed up, unlock blade under the barrier effect of layer croquet near the second blade, make unblock transmission arm against jam plate simultaneously, make jam plate remove the fastening state with closure, unlock while realizing Room door and gate.
As preferably, described unblock transmission arm comprises unblock transmission arm and lower unblock transmission arm, and one end and second blade of upper unblock transmission arm and lower unblock transmission arm are hinged, and the other end is with to unlock blade hinged; Described upper unblock transmission arm is provided with and compresses wheel, and described jam plate is provided with and compresses the arc-shaped side of taking turns and matching.
Upper unblock transmission arm, lower unblock transmission arm, unblock blade and the second blade form the structure of parallelogram, upper unblock transmission arm and lower unblock transmission arm synchronous axial system, drive and unlock blade near the second blade or away from the second blade.
The wheel that compresses on upper unblock transmission arm offsets with the arc-shaped side of jam plate, compresses wheel and fastens by arc-shaped side promotion jam plate and closure or be separated.
As preferably, described door cutter base plate is provided with the operating spring be connected with jam plate, fastens for the dead bolt and closure driving jam plate.
Upper unblock transmission arm compress the arc-shaped side applied thrust of wheel not to jam plate time, rely on the gravity of operating spring and jam plate self, the dead bolt on jam plate and closure fasten.
As preferably, the closure on described door machine comprises the support be fixed on a machine link plate and the latch hook be arranged on support, and the dead bolt on described jam plate matches with latch hook.
Described jam plate and support are provided with the contact switch cooperatively interacted, and are used to indicate the folding condition of door-plate.
When the contact switch on jam plate and support contacts with each other, mean that the gate of elevator and layer door are all closed and put in place, the control loop conducting of elevator, elevator can bring into operation.
As preferably, described door cutter base plate is hinged with the manual unlocking arm offseted with jam plate, this manual unlocking arm is provided with the unblock steel rope for driving jam plate release the lock.
When elevator faults needs manually to unblank, pull unblock steel rope, make manual unlocking arm against jam plate, promote jam plate and lift, the dead bolt on jam plate and the latch hook on closure are separated, realize unlocking.
The present invention is used for the synchronous door knife device of the band car door lock of elevator, elevator cage door lock and synchronous door knife set are arranged on gate, without the need to arranging unblock blade at every floor, facilitate installation and debugging, simultaneously, special requirement is not had to layer door system yet, meets the regulation to elevator safety performance in national standard.
Accompanying drawing explanation
Fig. 1 is the front view of the present invention for the synchronous door knife device of the band car door lock of elevator;
Fig. 2 is the back view of the present invention for the synchronous door knife device of the band car door lock of elevator;
Fig. 3 is the block diagram of the present invention for the synchronous door knife device of the band car door lock of elevator;
Fig. 4 schematic diagram that to be the present invention match with guide plate and closure for the synchronous door knife device of the band car door lock of elevator;
Fig. 5 is the schematic diagram (another angle) of the present invention for the synchronous door knife device of the band car door lock of elevator.
In figure: 1, door cutter base plate; 2, transmission arm; 3, extension spring; 4, the first blade; 5, lifting rod; 61, swivel arm; 62, swivel arm; 71, upper unblock transmission arm; 72, lower unblock transmission arm; 8, spring; 9, operating spring; 10, jam plate; 11, extension spring; 12, the second blade; 13, blade is unlocked; 14, guide plate; 15, stopper arms; 16, support; 17, wheel is compressed; 18, steel rope is unlocked; 19, manual unlocking arm; 20, arm axle; 21, contact switch; 22, position-limited lever; 23, guide wheel; 24, guide plate; 25, dead bolt; 26, the second limit shaft; 27, the first limit shaft; 28, latch hook.
Detailed description of the invention
Below in conjunction with accompanying drawing, synchronous door knife device the present invention being used for the band car door lock of elevator is described in detail.
As Fig. 1, Fig. 2, shown in Fig. 3, a kind of synchronous door knife device of the band car door lock for elevator, comprise: be arranged on the door cutter base plate 1 on the door machine of elevator, to be movably arranged on a cutter base plate 1 and the first blade 4 and the second blade 12 of interlock mutually, to be rotatably connected on a cutter base plate 1 and the transmission arm 2 linked with door machine driver train, be coupling at door cutter base plate 1 upper lock plate 10, and the second blade 12 is hinged and and jam plate 10 offsets to drive the unblock transmission arm of jam plate 10 release the lock and between the first blade 4 and the second blade 12 and the unblock blade 13 hinged with unlocking transmission arm.
Two swivel arms for linking are hinged with between first blade 4 and the second blade 12, be respectively swivel arm 61 and swivel arm 62, swivel arm 61 and swivel arm 62 arrangement in parallel, parallelogram sturcutre is formed between swivel arm 61, swivel arm 62, first blade 4 and the second blade 12, the middle part of swivel arm 61 and swivel arm 62 is hinged with door cutter base plate 1 respectively, transmission arm 2 is connected with swivel arm 61 by lifting rod 5, as shown in Figure 1, one end and the transmission arm 2 of lifting rod 5 are hinged, the other end and swivel arm 61 hinged.
As shown in Figure 1 and Figure 2, lifting rod 5 and transmission arm 2 are in a both sides for cutter base plate 1 place plane respectively, jointed shaft hinged between lifting rod 5 and transmission arm 2 runs through a cutter base plate 1, door cutter base plate 1 is provided with spacing hole, jointed shaft is in spacing hole, jointed shaft and spacing hole cooperatively interact, and limit the slewing area of transmission arm 2.Because the motion of transmission arm 2 is for rotating, therefore, spacing hole is arc.
The motor that door machine driver train is Timing Belt and matches, transmission arm 2 is provided with the arm axle 20 linked with Timing Belt, and arm axle 20 does straight-line motion under the drive of Timing Belt, and arm axle 20 can rotate by relative synchronization band.
Be provided with spring 8 between transmission arm 2 and door cutter base plate 1, spring 8 drives transmission arm 2 upset that the first blade 4 and the second blade 12 are closed up.
As shown in Fig. 2, Fig. 5, door cutter base plate 1 is hinged with stopper arms 15, transmission arm 2 is provided with the bayonet socket matched with stopper arms 15; Stopper arms 15 is provided with and matches for the guide wheel 23 guiding stopper arms 15 to depart from bayonet socket with the guide plate 24 on door machine.
Door cutter base plate 1 is also provided with the extension spring 11 (i.e. retracing spring) be connected with stopper arms 15, stopper arms 15 is provided with the first limit shaft 27 through door cutter base plate 1, extension spring 11 is provided with between first limit shaft 27 and door cutter base plate 1, extension spring 11 can make stopper arms 15 be rocked to match with the bayonet socket of transmission arm 2, and the first limit shaft can limit the hunting range of stopper arms 15.
Unlock transmission arm and comprise unblock transmission arm 71 and lower unblock transmission arm 72, upper unblock transmission arm 71 be T-shaped plate, and the wherein two ends of T-shaped plate, respectively with the second blade 12 with to unlock blade 13 hinged, remain one end and are provided with and compress wheel 17; One end and second blade 12 of lower unblock transmission arm 72 are hinged, and the other end is hinged with unblock blade 13.
As shown in Figure 1, upper unblock transmission arm 71 is also provided with against the second blade 12 the second limit shaft 26, second limit shaft 26 with compress wheel 17 and be positioned at same one end, the second limit shaft 26 can limit unlock blade 13 and the second blade 12 mutually away from ultimate range.
As shown in Figure 4, jam plate 10 is sketch plate, be provided with and the arc-shaped side (as denoted by the arrow a in figure 2) compressing wheel 17 and match, jam plate 10 is also provided with dead bolt 25, closure on door machine comprises the support 16 be fixed on a machine link plate and the latch hook 28 be arranged on support 16, and the dead bolt 25 on jam plate 10 matches with latch hook 28.
Door cutter base plate 1 is provided with the operating spring 9 be connected with jam plate 10, operating spring 9 can drive the dead bolt 25 of jam plate 10 to fasten with latch hook 28, operating spring 9 is stage clip, stage clip inside is provided with the guidepost of non-metallic material, guidepost is divided into discontinuous two sections, wherein one section is fixedly connected with door cutter base plate 1, and another section is fixedly connected with jam plate 10.
Jam plate 10 and support 16 are provided with the contact switch 21 cooperatively interacted, and contact switch 21 can indicate the folding condition of door-plate.
Door cutter base plate 1 is hinged with the manual unlocking arm 19 offseted with jam plate 10, and manual unlocking arm 19 is provided with the unblock steel rope 18 for driving jam plate 10 release the lock.Manual unlocking arm 19 is provided with position-limited lever 22, and door cutter base plate 1 is provided with the spacing hole for wearing position-limited lever 22, and position-limited lever 22 and spacing hole cooperatively interact, and limits the slewing area of manual unlocking arm 19.
Be provided with extension spring 3 between manual unlocking arm 19 and door cutter base plate 1, extension spring 3 and position-limited lever 22 limit position when manual unlocking arm 19 does not work jointly.
In order to reduce noise when the present invention works, it is the cushion collar of material that position-limited lever 22, first limit shaft 27, second limit shaft 26 and transmission arm 2 and the jointed shaft outside of lifting rod 5 are all enclosed with rubber, for buffering and noise reduction.
The working process that the present invention is used for the synchronous door knife device of the band car door lock of elevator is as follows:
The process of normal unlatching gate and layer door is: cage operation to layer door sustained height position after, layer croquet is in the first blade 4 and unlocks between blade 13, under the driving of Timing Belt, gate is opened, door cutter base plate 1 moves with gate, unlock blade 13 to draw close to the second blade 12 under the barrier effect of layer croquet, on driving in close process, the wheel 17 that compresses unlocked on transmission arm 71 overturns against jam plate 10, remove the fastening state of dead bolt 25 and latch hook 28, Timing Belt is made to drive gate to continue to open, continuing in the process of opening, transmission arm 2 rotates under the drive of Timing Belt, transmission arm 2 drives the first blade 4 and the second blade 12 mutually to draw close by lifting rod 5 and swivel arm, also be clamped in the first blade 4 by layer croquet and unlock between blade 13, layer door is driven to open together by layer croquet.
The process of normal closedown gate and layer door is: under the drive of door machine driver train, first blade 4 is with unblock blade 13 holding sheet croquet and then drive the motion of layer door, unlock blade 13 under the barrier effect of layer croquet, keep the lifting status of jam plate 10, after moving to the closedown of layer door, layer croquet no longer moves, unblock blade 13 resets and (namely leaves the second blade 12 certain distance, second limit shaft 26 is against the second blade 12), on upper unblock transmission arm 71 compress wheel 17 remove to jam plate 10 against, dead bolt 25 engages with latch hook 28, complete the closedown of gate, after gate is closed, Timing Belt drives transmission arm 2 to continue mobile slight distance, first blade 4 and the second blade 12 are recovered mutually away from state, car is enable to continue motion.
During elevator faults, if at non-onlocking zone, namely gate and layer door are not in sustained height, now, there is no a layer croquet between first blade 4 and the second blade 12, unlock blade 13 owing to there is no the stop of layer croquet, can not near the second blade 12, also the wheel 17 that compresses on unblock transmission arm 71 just can not be driven to unlock against jam plate 10, and gate and layer door all cannot be opened.
Elevator faults, if when car is in onlocking zone, under the effect of spring 8, transmission arm 2 rotates, first blade 4 and the second blade 12 are drawn close, unlocks blade 13 close second blade 12 under the barrier effect of layer croquet, make unblock transmission arm against jam plate 10 simultaneously, make jam plate 10 remove the fastening state with latch hook 28, unlock while realizing Room door and gate.
Claims (10)
1., for a synchronous door knife device for the band car door lock of elevator, it is characterized in that, comprising:
Door cutter base plate, is arranged on the door machine of elevator;
First blade and the second blade, to be movably arranged on described door cutter base plate and mutually to link;
Transmission arm, to be rotatably connected on described door cutter base plate and to link with door machine driver train, for driving described first blade and the second blade folding;
Jam plate, is coupling on described door cutter base plate, and with the dead bolt matched with the closure on door machine;
Unlock transmission arm, hinged with described second blade, and offset to drive jam plate release the lock with described jam plate;
Unlock blade, hinged with described unblock transmission arm between described first blade and the second blade, for doing mutually to unlock transmission arm in order to drive with layer croquet.
2. as claimed in claim 1 for the synchronous door knife device of the band car door lock of elevator, it is characterized in that, two swivel arms for linking are hinged with between first blade and the second blade, two swivel arm arrangement in parallels, and the middle part of swivel arm respectively with described door cutter base plate hinged, described transmission arm is connected with at least one swivel arm by drive disk assembly.
3., as claimed in claim 2 for the synchronous door knife device of the band car door lock of elevator, it is characterized in that, described drive disk assembly is lifting rod, the two ends of this lifting rod respectively with transmission arm and a swivel arm hinged.
4., as claimed in claim 1 for the synchronous door knife device of the band car door lock of elevator, it is characterized in that, described transmission arm is provided with the arm axle linked with door machine driver train.
5., as claimed in claim 1 for the synchronous door knife device of the band car door lock of elevator, it is characterized in that, described door cutter base plate is hinged with stopper arms, and described transmission arm is provided with the bayonet socket matched with stopper arms; Stopper arms is provided with and matches for the guide wheel guiding stopper arms to depart from bayonet socket with the guide plate on door machine.
6. as claimed in claim 1 for the synchronous door knife device of the band car door lock of elevator, it is characterized in that, between described transmission arm and door cutter base plate, be provided with spring, for promoting transmission arm rotation, the first blade and the second blade being closed up.
7. as claimed in claim 1 for the synchronous door knife device of the band car door lock of elevator, it is characterized in that, described unblock transmission arm comprises unblock transmission arm and lower unblock transmission arm, and one end and second blade of upper unblock transmission arm and lower unblock transmission arm are hinged, and the other end is hinged with unblock blade; Described upper unblock transmission arm is provided with and compresses wheel, and described jam plate is provided with and compresses the arc-shaped side of taking turns and matching.
8., as claimed in claim 1 for the synchronous door knife device of the band car door lock of elevator, it is characterized in that, described door cutter base plate is provided with the operating spring be connected with jam plate, fastens for the dead bolt and closure driving jam plate.
9. as claimed in claim 1 for the synchronous door knife device of the band car door lock of elevator, it is characterized in that, closure on described door machine comprises the support be fixed on a machine link plate and the latch hook be arranged on support, and the dead bolt on described jam plate matches with latch hook.
10., as claimed in claim 1 for the synchronous door knife device of the band car door lock of elevator, it is characterized in that, described door cutter base plate is hinged with the manual unlocking arm offseted with jam plate, and this manual unlocking arm is provided with the unblock steel rope for driving jam plate release the lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410119520.4A CN103935873B (en) | 2014-03-27 | 2014-03-27 | A kind of synchronous door knife device of the band car door lock for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410119520.4A CN103935873B (en) | 2014-03-27 | 2014-03-27 | A kind of synchronous door knife device of the band car door lock for elevator |
Publications (2)
| Publication Number | Publication Date |
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| CN103935873A CN103935873A (en) | 2014-07-23 |
| CN103935873B true CN103935873B (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410119520.4A Active CN103935873B (en) | 2014-03-27 | 2014-03-27 | A kind of synchronous door knife device of the band car door lock for elevator |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104192684B (en) * | 2014-08-19 | 2015-11-18 | 杭州永驰科技有限公司 | A kind of integrated car door lock synchronous door knife |
| CN104787651B (en) | 2015-02-13 | 2016-06-22 | 西子奥的斯电梯有限公司 | A kind of elevator synchronous door knife |
| CN105035921B (en) * | 2015-08-24 | 2017-03-29 | 苏州和阳金属科技有限公司 | A kind of door knife of the integrated car door lock of elevator |
| CN105565126B (en) * | 2016-02-04 | 2017-11-24 | 杭州优迈科技有限公司 | A kind of integrated car door lock synchronous door knife and synchronous door knife system |
| CN105645240B (en) * | 2016-04-12 | 2017-12-08 | 西继迅达（许昌）电梯有限公司 | A kind of car door locking device |
| CN107010519B (en) * | 2017-04-07 | 2023-07-07 | 宁波欧菱电梯配件有限公司 | Synchronous door knife device with car door lock for elevator |
| CN108529406B (en) * | 2018-06-08 | 2024-06-18 | 展鹏科技股份有限公司 | Synchronous door knife car door opening device |
| CN110371833B (en) * | 2019-05-27 | 2023-10-13 | 展鹏科技股份有限公司 | External bracing type door knife sedan-chair door lock device and method |
| CN110626927A (en) * | 2019-09-11 | 2019-12-31 | 杭州优迈科技有限公司 | Integrated car door lock synchronous door knife and door knife system |
| CN111717767B (en) * | 2020-07-13 | 2022-06-10 | 浙江智菱科技有限公司 | Door knife linkage device and working method of door knife formed by door knife linkage device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4544887B2 (en) * | 2004-03-26 | 2010-09-15 | 東芝エレベータ株式会社 | Elevator door device |
| WO2008078135A1 (en) * | 2006-12-26 | 2008-07-03 | Otis Elevator Company | Car door locking device |
| CN102398833B (en) * | 2011-09-30 | 2013-11-27 | 快意电梯股份有限公司 | Elevator lift car door lock synchronization door edge |
| CN103231974B (en) * | 2013-05-17 | 2016-02-10 | 快意电梯股份有限公司 | A kind of elevator car door locking device and method of work thereof |
| CN203833441U (en) * | 2014-03-27 | 2014-09-17 | 杭州西子孚信科技有限公司 | Synchronous door knife device with car door lock for elevator |
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2014
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