CN104760872B - A kind of synchronous door knife device of band gate retaining mechanism - Google Patents
A kind of synchronous door knife device of band gate retaining mechanism Download PDFInfo
- Publication number
- CN104760872B CN104760872B CN201510136505.5A CN201510136505A CN104760872B CN 104760872 B CN104760872 B CN 104760872B CN 201510136505 A CN201510136505 A CN 201510136505A CN 104760872 B CN104760872 B CN 104760872B
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- door
- swing mechanism
- hook
- hinged
- cutting blade
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Classifications
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- 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
- B66B13/02—Door or gate operation
- B66B13/12—Arrangements for effecting simultaneous opening or closing of cage and landing doors
-
- 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
- B66B13/02—Door or gate operation
- B66B13/14—Control systems or devices
- B66B13/16—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position
- B66B13/18—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position without manually-operable devices for completing locking or unlocking of doors
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Elevator Door Apparatuses (AREA)
Abstract
The invention discloses the synchronous door knife device of a kind of band gate retaining mechanism, including the door cutter base plate being installed on door strap, it is fixed with hook seat on described door machine bottom board, it is placed in inside layer left and right of door lock roller two or outside on described door cutter base plate be separately installed with the cutting blade swing mechanism of energy holding sheet door lock roller and unlock blade swing mechanism, it is also associated with transmission component on described cutting blade swing mechanism, one end of described transmission component is hinged on the door machine transmission band driving door strap motion, and the other end is hinged with cutting blade swing mechanism；Described cutting blade swing mechanism links with unlocking blade swing mechanism, and described unblock blade swing mechanism can trigger latch hook with latch hook linkage and hooks together or depart from hook seat.Synchronous door knife device of the present invention, can detect car effectively whether in flat bed region, and car door lock is integrated on synchronous door knife, reduces installation and debugging difficulty；And door cutter is provided with connecting rod dead-centre position, can still can realize in sedan-chair or the outer manual door opening function of sedan-chair in the case of spring failure.
Description
Technical field
The present invention relates to lift product field, particularly to a kind of synchronous door knife device with gate retaining mechanism.
Background technology
Using of elevator popularizes the life being very easy to people at present, and meanwhile, the security performance of elevator is subject to the most day by day
To paying close attention to.
Standard GB/T 7588-2003 " elevator manufacture and installation safety standard " specifies in 11.2.1: table in elevator hoistways
Face not should be greater than 0.15m, wherein also with the horizontal range at the edge, nearest doorway of car sill, car door framework or sliding door
Regulation to: if car equipped with the door of mechanical interlocking and can only be opened, except situation described in 7.7.2.2 in the district of unblanking of floor door
In addition, the operation of elevator should automatically depend on the locking of gate, and gate locking must have electric safety device to confirm,
The most above-mentioned spacing is unrestricted.In order to meet the requirement of GB, generally add protecting wall at hoistway inner surface or independent sedan-chair is installed
Door lock.
In prior art, door cutter and the car door lock great majority of elevator are set up, respectively as China Patent Publication No. is
The Chinese patent of CN101117870, the application for a patent for invention of entitled elevator cage door lock, it need to carry out a cutter when mounted
The debugging coordinated with car door lock, not only efficiency is low, and meanwhile, also resulting in fault rate increases.
Additionally a kind of prior art is: arranges layer door secondary roller on layer door lock, is turned on and off gate by secondary roller
Lock, a kind of elevator car door locking device as disclosed in China Patent Publication No. CN101081677, owing to needs major-minor croquet rolls
Wheel carries out coordinating linkage, and this apparatus structure is complicated, and installation and debugging efficiency is low, relatively costly.
Summary of the invention
For solving the problems referred to above, it is an object of the invention to provide the synchronous door knife of a kind of band gate retaining mechanism, it has only to profit
Just can realize being turned on and off of gate with layer door lock roller, gate retaining mechanism is integrated on synchronous door knife, makes a cutter knot
Structure simplifies, and reduces the difficulty of installation and debugging.
For reaching above-mentioned technical purpose, the present invention is that the technical scheme used is achieved:
The synchronous door knife device of a kind of band gate retaining mechanism of the present invention, including a machine bottom board, along door machine bottom board level
The door strap for hanging gate slided, described door strap is installed with a cutter base plate, fixing on described door machine bottom board
There is hook seat, described door cutter base plate is placed in inside layer left and right of door lock roller two or outside and is separately installed with and can roll by holding sheet door lock
The cutting blade swing mechanism of wheel and unblock blade swing mechanism, described cutting blade swing mechanism is also associated with transmission component, institute
The one end stating transmission component is hinged on the door machine transmission band driving door strap motion, and the other end is hinged with cutting blade swing mechanism；
Described cutting blade swing mechanism links can trigger with unlocking the linkage of blade swing mechanism, described unblock blade swing mechanism and latch hook
Latch hook hooks together or departs from hook seat.
As the further improvement of above-mentioned technology, described layer door lock roller is placed in cutting blade swing mechanism and unlocks blade oscillating machine
The inner side of structure；
Described cutting blade swing mechanism includes that cutting blade, the first pivoted arm, the second pivoted arm, described first pivoted arm, the second pivoted arm divide
Not and door cutter base plate, cutting blade hinged formation parallel four-bar linkage；
Described unblock blade swing mechanism includes unlocking blade, the first fork, the second fork, and described first fork is respectively with the
One pivoted arm, unlock blade hinged, the second fork respectively with the second pivoted arm, unlock blade hinged,；
Described first fork can limit, or/and the second fork is provided with, the limit shaft unlocking blade movement, and described limit shaft corresponds to
The hinged support position of the first fork and the hinged support of the first pivoted arm or the second fork and the second pivoted arm is arranged；
Described unblock blade is fixedly connected with track pad, and described track pad is provided with arc chute or arc flange, described latch hook
Being provided with trip lever, the arc chute of described trip lever and track pad or arc flange coordinate to fall with band moveable lock hook and are locked together in hook
On seat or dig latch hook is departed from hook seat.
As the further improvement of above-mentioned technology, described transmission component includes transmission arm, connecting rod, gag lever post and spring, described
Transmission arm is hinged on another surface relative to dynamic door cutter swing mechanism of a cutter base plate, described door machine transmission band and transmission arm
Hinged, described door cutter base plate is provided with opening arcuate groove, and described connecting rod one end is hinged on transmission arm, and the other end is hinged on door
On first pivoted arm of cutter or the second pivoted arm, described transmission arm is placed in opening arcuate groove with the pin joint of connecting rod；Described spring one
End is connected to a cutter base plate, and the other end connects transmission arm；
Fixing a guide plate on described door machine bottom board, described gag lever post end is provided with a hook part, and the end of described transmission arm sets
Having bayonet socket, described hook part can be conflicted with bayonet socket and be coordinated, and can limit the rotational angle of transmission arm, described gag lever post is provided with
The pulley guiding gag lever post to depart from transmission arm is matched with guide plate.
In the present invention, described door cutter base plate is further fixed on door open limit post and close the door limited post, in door opening process, institute
State one end of transmission arm on door open limit post；Closing door state, one end contact of described transmission arm is being closed the door on limited block,
Door open limit post and limited block of closing the door limit the swing displacement of transmission arm, i.e. constrain cutting blade and the folding unlocking blade
Distance, when transmission arm abuts door open limit post, transmission arm is in or crosses with the pin joint of connecting rod by first turn of door cutter
Arm or the dead-centre position of the second pivoted arm, transmission arm and linkage, in sedan-chair or when opening Door by Hand outside stop, even if acting on
The spring failure of transmission arm, transmission arm still can abut against on door open limit post, it is ensured that normal function.
In the present invention, described latch hook is provided with the movable contact of door contact switch, hook seat is provided with the quiet of door contact switch
Contact, when latch hook is in buckling state with hook seat, movable contact and stationary contact closed communicating, it can be tested by electrical means
The closure state of card latch hook.
In the present invention, described latch hook is also associated with the stay cord for manual unlocking or pull bar, or, at the bottom of described door cutter
Stay cord leverage is set on plate car door lock is carried out manual unlocking.
Compared with prior art, the invention has the beneficial effects as follows:
Unblock blade in the present invention is hinged on fork, unlocks blade by layer door lock roller conflicting and moves relative to limited block,
Whether band moveable lock hook folding, can detect car in flat bed region, it is achieved car door lock function, and this car door lock is integrated in synchronous gate
On cutter, reduce installation and debugging difficulty；And need not additionally arrange secondary roller and secondary door cutter mechanism, simplify the knot of a cutter
Structure, reduces cost；And door cutter is provided with connecting rod dead-centre position, still can be able to realize in sedan-chair in the case of spring failure
Or the outer manual door opening function of sedan-chair；Utilize coordinating of track pad and trip lever, the unlatching Guan Bi of latch hook can be controlled accurately, and
And simple in construction, gate locking is safe and reliable.
Accompanying drawing explanation
Fig. 1 is the front view when elevator is in up-downgoing state of the synchronous door knife device described in the embodiment of the present invention one.
Fig. 2 is the rearview when elevator is in up-downgoing state of the synchronous door knife device described in the embodiment of the present invention one.
Fig. 3 is synchronous door knife device described in the embodiment of the present invention one will open gate state outdoors at elevator in flat bed region from layer
Front view.
Fig. 4 is the schematic perspective view of above-mentioned Fig. 3；
Fig. 5 is that the synchronous door knife device described in the embodiment of the present invention one is outdoors opening gate state just in flat bed region from layer at elevator
View.
Fig. 6 be synchronous door knife device described in the embodiment of the present invention one elevator in flat bed region after layer opens gate state outdoors
View.
Fig. 7 is the schematic perspective view of above-mentioned Fig. 5；
Fig. 8 is the front view when the layer door lock roller of elevator is outside door cutter of the synchronous door knife device described in the embodiment of the present invention two.
Detailed description of the invention
With object lesson, the present invention is described in further detail below in conjunction with the accompanying drawings, but the present invention is not limited to this specific examples.
Embodiment one:
As shown in Figures 1 to 7, the synchronous door knife device of a kind of band gate retaining mechanism of the present invention, including at the bottom of a machine
Plate (not shown), the door strap (not shown) for hanging gate slided along door machine bottom board level, described door
Being installed with a cutter base plate 1 in link plate (not shown), on described door cutter base plate, 1 is hinged with latch hook 10, described door
It is fixed with hook seat 20 on machine bottom board, described door cutter base plate 1 is placed in inside layer left and right of door lock roller 30 two and is provided with and can press from both sides
Hold the cutting blade swing mechanism 2 of layer door lock roller 30 and unlock blade swing mechanism 3, on described cutting blade swing mechanism 3 also
Connect and have transmission component 4, one end of described transmission component 4 to be hinged on the door machine transmission band 40 driving door strap motion, separately
One end is hinged with cutting blade swing mechanism 2；Described cutting blade swing mechanism 2 links with unlocking blade swing mechanism 3, described
Unlock blade swing mechanism 3 and latch hook 10 linkage can trigger latch hook 10 and hooks together on hook seat 20 or depart from hook seat 20.
Described cutting blade swing mechanism 2 includes cutting blade the 21, first pivoted arm the 22, second pivoted arm 23, described first pivoted arm 21,
Second pivoted arm 22 respectively with door cutter base plate 1, cutting blade 21 hinged formation parallel four-bar linkage；
Described unblock blade swing mechanism 3 unlocks blade the 31, first fork the 32, second fork 33, described first fork 32
Respectively with the first pivoted arm 22, unlock blade 31 hinged, the second fork 33 respectively with the second pivoted arm 23, unlock blade 31 cut with scissors
Connect.
Additionally, described first fork 32 and the second fork 33 are provided with and can limit unblock blade 31 and move limit shaft 5 forward,
Described limit shaft 5 corresponds to the first fork 32 and the hinged support of the first pivoted arm 22 or the second fork 33 and the second pivoted arm
The hinged support position of 23 is arranged.
Being fixedly connected with track pad 6 on described unblock blade 31, described track pad 6 is provided with arc chute 61, described latch hook
10 are provided with trip lever 7, and described trip lever 7 passes the arc chute 61 of track pad 6 and can arcuately slide by chute 61,
It is locked together in when falling with band moveable lock hook 10 on hook seat 20 or digs and latch hook 10 is departed from hook seat 20.
Described transmission component 4 includes transmission arm 41, connecting rod 42, gag lever post 43 and spring 44, and described transmission arm 41 is hinged
On another surface relative to cutting blade swing mechanism 2 of door cutter base plate 1, described transmission arm 41 one end and door machine transmission band
40 is hinged, and the other end is hinged with connecting rod 42, and described door cutter base plate 1 is provided with opening arcuate groove 11, described connecting rod 42 one end
Being hinged on transmission arm 41, the other end is hinged on the first pivoted arm 22 of a cutter 21, described transmission arm 41 and connecting rod 42
Pin joint be placed in opening arcuate groove 11, the most described connecting rod 42, transmission arm 41 and the first pivoted arm 22 are running through at the bottom of a cutter
Before and after plate 1, surface forms a linkage, additionally, described spring 44 one end is connected to a cutter base plate 1, the other end connects
Transmission arm 41；Fixing a guide plate 50 on described door machine bottom board, described gag lever post 43 end is provided with a hook part, described biography
The end of swing arm 41 is provided with bayonet socket 411, and described hook part 81 can be conflicted with bayonet socket 411 and be coordinated, and can limit transmission arm 41
Rotational angle, described gag lever post 43 is provided with the pulley matching to guide gag lever post 43 to depart from transmission arm with guide plate 50
8.In the present invention, described door cutter base plate 1 is further fixed on door open limit post 12 and limited post 13 of closing the door, at door opening process
In, one end of described transmission arm 41 is on door open limit post 12；Closing door state, one end contact of described transmission arm 41
Closing the door on limited block 13, door open limit post 12 and limited block 13 of closing the door limit the swing displacement of transmission arm 41, i.e.
The folding distance constraining cutting blade 21 and unlock blade 31, when transmission arm 41 abuts door open limit post 12, transmission
Arm 41 is in or crosses, with the pin joint of connecting rod 42, the connecting rod machine being made up of the first pivoted arm 22, transmission arm 41 and connecting rod 42
The dead-centre position of structure, and in sedan-chair or when opening Door by Hand outside stop, even if the spring 44 acting on transmission arm 41 lost efficacy, pass
Swing arm 41 still can abut against on door open limit post door open limit post 12, it is ensured that normal function.
In the present invention, described latch hook 10 is provided with the movable contact 101 of door contact switch, hook seat 20 is provided with door and touches
The stationary contact 201 of some switch, when latch hook 10 is in buckling state with hook seat 20, movable contact 101 closes with stationary contact 201
Closing connection, it can verify the closure state of latch hook 10 by electrical means.
In the present invention, described latch hook 10 is also associated with the stay cord for manual unlocking or pull bar 60, or, described
Stay cord leverage is set car door lock is carried out manual unlocking on door cutter base plate 1, with prevention power-off or other electronic in the case of
When unlocking malfunctioning, it is possible to manual unlocking, improve the convenience solving latching operation.
The operation principle of detailed description below same department of the present invention knife system is:
(1) as shown in Figure 3, Figure 4, layer door lock roller 30 is at cutting blade 21 and unlocks between blade 31, works as elevator
Car is in flat bed region, door machine door opening process: transmission arm 41 abuts on door open limit post 12, now unlocks blade 31
Conflict layer door lock roller 30, against limit shaft 5, with cutting blade 21 holding sheet door lock roller 30, the arc on track pad 6
The edge of chute 61 promotes trip lever 7, and latch hook 10 rotates, and departs from the restriction of hook seat 20, movable contact 101 and stationary contact 201
Disconnecting, car door lock is opened, and door machine drives transmission band 40, because transmission arm 41 has abutted against on door open limit post 12, so this
Time transmission component, cutting blade 21, unlock blade 31 can not relative motion, be equivalent to be fixed on a cutter base plate 1, transmission
Band 40 driving blade base plate 1, linkage layer door and gate, it is achieved the synchronization of layer door and gate is opened.
(2) door machine door closing procedure: after the little segment distance that opens the door, gag lever post 43 one end falls into the bayonet socket 411 on transmission arm 41,
Transmission band 40 is closed the door in motion, drives transmission arm 41 to abut against on gag lever post 43, can join with reverse drive blade base plate 1
Dynamic layer door and gate close synchronously, when close to close the door extreme position time, the pulley 8 on gag lever post 43 runs along guide plate 50,
Gag lever post 43 is raised disengaging bayonet socket 411.
(3) as shown in Figures 5 to 7, when carrying out the preliminary activities of elevator up-down, transmission band 40 drives transmission arm 41
Motion, connecting rod 42 drives the first pivoted arm 22, cutting blade 21 and unblock blade 31 away from layer door lock roller 30, latch hook 10
Because being fastened with hook seat 20 by gravity fall, trip lever 7 promotes the edge of the arc chute 61 of track pad 6, makes unblock blade
31 is separated by a distance with limit shaft 5, and finally, transmission arm 41 abuts closes the door on limited block 13, layer door lock roller 30
Not contacting with synchronous door knife, lift car can be with up-downgoing campaign.
(4) it is in flat bed region when lift car, in car or layer opens Door by Hand process outdoors: transmission arm 41 abuts
On door open limit post 12, now unlock blade 31 and conflict layer door lock roller 30, against limit shaft 5, clamp with cutting blade 21
Layer door lock roller 30, the edge of the arc chute 61 on track pad 6 promotes trip lever 7, layer door lock and car door lock to open.Cause
Transmission arm 41 has abutted against on door open limit post 12, and the pin joint of transmission arm 41 and connecting rod 42 is in and even has passed past connecting rod
The dead-centre position of mechanism, this dead-centre position be cursor 41 as main driving for, so now cutting blade 21, unlock cutter
Sheet 31 can not relative motion, be equivalent to be fixed on a cutter base plate 1, synchronous door knife and layer door lock roller 30 mutually against,
Layer door and gate united opening can be realized.Therefore, work as Lift out of order, when being in flat bed region, can be in car
Open Door by Hand, or open the door outdoors from layer.
(5) it is in non-flat layer region when lift car, unlocks blade 31 because not having layer door lock roller 30 to conflict, unlock blade
31 is separated by a distance with limit shaft 5, and latch hook 10 can not be lifted by the edge of the arc chute 61 of track pad 6, latch hook 10
The most still fastening with hook seat 20, gate is in locking state, under the most this situation, it is impossible in car manually
Push gate aside, stay cord 50 can only be torn from sedan-chair, rotate latch hook 10, could unlock and realize gate unlatching.
Embodiment two:
As shown in Figure 8, the present embodiment is essentially identical with embodiment one, and its difference is, two layer door lock rollers 30
It is in cutting blade 21 and unlocks blade 31 both sides, unlocking the limit shaft 5 of blade 31 at cutting blade 21 and unblock blade 31
Between, its operation logic is same as the previously described embodiments, does not repeats them here.
By description of listed embodiment, elaborate basic conception and the ultimate principle of the present invention.But the present invention does not limits
In above-mentioned listed embodiment.
Claims (6)
1. a synchronous door knife device for band gate retaining mechanism, including a machine bottom board, along door machine bottom board level slide for
Hang the door strap of gate, described door strap is installed with a cutter base plate, described door machine bottom board is fixed with hook seat, its
It is characterised by: be placed in inside layer left and right of door lock roller two or outside on described door cutter base plate and be separately installed with energy holding sheet door lock
The cutting blade swing mechanism of roller and unblock blade swing mechanism, described cutting blade swing mechanism is also associated with transmission component,
One end of described transmission component is hinged on the door machine transmission band driving door strap motion, and the other end cuts with scissors with cutting blade swing mechanism
Connect；Described cutting blade swing mechanism links with unlocking blade swing mechanism, described unblock blade swing mechanism and latch hook linkage energy
Trigger latch hook hook together or depart from hook seat；
Described cutting blade swing mechanism includes that cutting blade, the first pivoted arm, the second pivoted arm, described first pivoted arm, the second pivoted arm divide
Not and door cutter base plate, cutting blade hinged formation parallel four-bar linkage；
Described unblock blade swing mechanism includes unlocking blade, the first fork, the second fork, and described first fork is respectively with the
One pivoted arm, unlock blade hinged, the second fork respectively with the second pivoted arm, unlock blade hinged；
Described first fork can limit, or/and the second fork is provided with, the limit shaft unlocking blade movement, and described limit shaft corresponds to
The hinged support position of the first fork and the hinged support of the first pivoted arm or the second fork and the second pivoted arm is arranged；
Described unblock blade is fixedly connected with track pad, and described track pad is provided with arc chute or arc flange, described latch hook
Being provided with trip lever, the arc chute of described trip lever and track pad or arc flange coordinate to fall with band moveable lock hook and are locked together in hook
On seat or dig latch hook is departed from hook seat.
The synchronous door knife device of band gate retaining mechanism the most according to claim 1, it is characterised in that: described transmission group
Part include transmission arm, connecting rod, gag lever post and spring, described transmission arm be hinged on a cutter base plate relative to cutting blade oscillating machine
On another surface of structure, described door machine transmission band is hinged with transmission arm, and described door cutter base plate is provided with opening arcuate groove, described
Connecting rod one end is hinged on transmission arm, and the other end is hinged on the first pivoted arm or second pivoted arm of a cutter, described transmission arm and company
The pin joint of bar is placed in opening arcuate groove；Described spring one end is connected to a cutter base plate, and the other end connects transmission arm；
Fixing a guide plate on described door machine bottom board, described gag lever post end is provided with a hook part, and the end of described transmission arm sets
Having bayonet socket, described hook part can be conflicted with bayonet socket and be coordinated, and can limit the rotational angle of transmission arm, described gag lever post is provided with
The pulley guiding gag lever post to depart from transmission arm is matched with guide plate.
The synchronous door knife device of band gate retaining mechanism the most according to claim 2, it is characterised in that: at the bottom of described door cutter
Being further fixed on door open limit post and limited post of closing the door on plate, closing door state, one end contact of described transmission arm is closing door limiting
On block, door open limit post and limited block of closing the door limit the swing displacement of transmission arm；When transmission arm abuts door open limit post,
It is dead that transmission arm and the pin joint of connecting rod are in or cross by door cutter the first pivoted arm or the second pivoted arm, transmission arm and linkage
Point position.
The synchronous door knife device of band gate retaining mechanism the most according to claim 1, it is characterised in that: on described latch hook
The movable contact of door contact switch is installed, hook seat is provided with the stationary contact of door contact switch, be in fastening at latch hook and hook seat
During state, movable contact and stationary contact closed communicating.
The synchronous door knife device of band gate retaining mechanism the most according to claim 1, it is characterised in that: on described latch hook
It is also associated with the stay cord for manual unlocking or pull bar.
The synchronous door knife device of band gate retaining mechanism the most according to claim 1, it is characterised in that: at the bottom of described door cutter
Stay cord leverage is set on plate car door lock is carried out manual unlocking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510136505.5A CN104760872B (en) | 2015-03-26 | 2015-03-26 | A kind of synchronous door knife device of band gate retaining mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510136505.5A CN104760872B (en) | 2015-03-26 | 2015-03-26 | A kind of synchronous door knife device of band gate retaining mechanism |
Publications (2)
| Publication Number | Publication Date |
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| CN104760872A CN104760872A (en) | 2015-07-08 |
| CN104760872B true CN104760872B (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510136505.5A Active CN104760872B (en) | 2015-03-26 | 2015-03-26 | A kind of synchronous door knife device of band gate retaining mechanism |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105347153A (en) * | 2015-10-26 | 2016-02-24 | 南通通洋机电制造有限公司 | Synchronous elevator door vane device with locking mechanism |
| CN107298369A (en) * | 2016-04-15 | 2017-10-27 | 天津康途科技有限公司 | A kind of elevator door vane device |
| CN109132814B (en) * | 2018-09-19 | 2024-02-13 | 广州广日电梯工业有限公司 | Synchronous door knife for running car door |
| 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 |
| CN114030971B (en) * | 2021-10-26 | 2023-06-13 | 宁波欣达电梯配件厂 | Synchronous door knife device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0839753B1 (en) * | 1996-10-29 | 2003-09-24 | Inventio Ag | Device for opening and closing a car door and a hatchway door of an elevator |
| WO2008078135A1 (en) * | 2006-12-26 | 2008-07-03 | Otis Elevator Company | Car door locking device |
| CN202296756U (en) * | 2011-09-30 | 2012-07-04 | 快意电梯有限公司 | Synchronous door knife of lift car door lock |
| CN204569109U (en) * | 2015-03-26 | 2015-08-19 | 广州广日电梯工业有限公司 | A kind of synchronous door knife device with gate catch gear |
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