CN107572354A - A kind of asynchronous door knife linkage car door locking device - Google Patents

A kind of asynchronous door knife linkage car door locking device Download PDF

Info

Publication number
CN107572354A
CN107572354A CN201710803858.5A CN201710803858A CN107572354A CN 107572354 A CN107572354 A CN 107572354A CN 201710803858 A CN201710803858 A CN 201710803858A CN 107572354 A CN107572354 A CN 107572354A
Authority
CN
China
Prior art keywords
gate
knife
door lock
door
latch hook
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201710803858.5A
Other languages
Chinese (zh)
Other versions
CN107572354B (en
Inventor
陈汉昌
陈庆杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yama Ichimasahiro Elevator Machinery Co Ltd
Original Assignee
Yama Ichimasahiro Elevator Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yama Ichimasahiro Elevator Machinery Co Ltd filed Critical Yama Ichimasahiro Elevator Machinery Co Ltd
Priority to CN201710803858.5A priority Critical patent/CN107572354B/en
Publication of CN107572354A publication Critical patent/CN107572354A/en
Application granted granted Critical
Publication of CN107572354B publication Critical patent/CN107572354B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B50/00Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies

Landscapes

  • Elevator Door Apparatuses (AREA)

Abstract

The invention discloses a kind of asynchronous door knife linkage car door locking device, including the support body being fixedly installed on lift car, the gate knife assembly and gate lock assembly being arranged on the support body, also include the layer door assembly being arranged on each layer door;The gate knife assembly includes dynamic activity eccentric support body, car door lock knife and gate and saved oneself knife, the eccentric support body of activity saves oneself knife with car door lock knife, gate simultaneously and support body is hinged, wherein the car door lock knife and gate are saved oneself knife it is vertically extending and in both outsides formed with baffle plate;The gate lock assembly includes gate activity latch hook, the quiet latch hook of gate and spring, wherein described gate activity latch hook is rotationally connected with the support body and moved by car door lock knife-band, the locked groove hooked together for gate activity latch hook is provided with the quiet latch hook of gate, the spring is used to drive the normally closed locking quiet latch hook of gate of gate activity latch hook;The layer door assembly includes layer door hanging plate and the gear wheel on layer door hanging plate.

Description

A kind of asynchronous door knife linkage car door locking device
Technical field
The present invention relates to car elevator safety engineering device technique field, more particularly to a kind of asynchronous door knife linkage car door lock dress Put.
Background technology
With elevator caused facility in people's daily life, the safety and reliability of elevator is also while increasingly Paid close attention to by social each side.
Provided in standard GB/T 7588-2003:" elevator hoistways inner surface and car sill, car door frame or slip The horizontal range that the nearest doorway of door is easy to is no less than 0.15m.If car is equipped with the door of mechanical interlocking and can only be in layer door Unlocking go interior opening, in addition to special circumstances, the operation of elevator should the automatic low locking depending on gate, and gate lock it is necessary Confirmed in electric safety device, then above-mentioned spacing is unrestricted ".
Design in other standard GB/T 7588-2003 for car door lock needs to meet claimed below:(1) elevator is normal During switch gate, car door lock being capable of automatic unlocking and locking.(2) elevator hinders for some reason when being parked in leveling zone, and trapped personnel has energy in sedan-chair Power is implemented and saved oneself, and by pushing gate aside, is made car door lock and layer door-lock opening, is completed to save oneself.(3) elevator hinders for some reason stops at flat bed Qu Shi, trapped personnel impotentia is implemented in sedan-chair when saving oneself, and rescue personnel opens layer door to layer by key outdoors, and then opens sedan-chair Door, carry out rescue.(4) elevator hinders for some reason is parked in non-leveling zone, and car door lock locks gate, avoids in sedan-chair trapped personnel by taking off Open gate and the hoistway that drops.
In the prior art, as presently disclosed CN201310176595.1, elevator door knife are special with car door lock Integral design Profit, this unitary design directly trigger latch hook in car door lock linkage by the unlocking board being arranged on a knife back plate, and it is solved Decision mechanism on jam plate neither one rotation unblock stroke, the fit-up gap for considering its production process is ground with part failure Damage, it certainly will be caused rotate the intermittent obstacle such as fail of excessive or rotation between latch hook, to the shipment of personnel's installation and checking with And cause to perplex on safeguarding.
The content of the invention
It is an object of the invention to problem and shortage be present for above-mentioned, there is provided one kind can prevent passenger in enabling region Door is taken off to falling the potential safety hazard such as hoistway, while solves doorway position and the wide protection network that need to install additional of hoistway brings a large amount of human and material resources Asynchronous door knife linkage car door locking device.
The technical proposal of the invention is realized in this way:
A kind of asynchronous door knife linkage car door locking device, including the support body being fixedly installed on lift car, are arranged at described Gate knife assembly and gate lock assembly on support body, also include the layer door assembly being arranged on each layer door;The gate knife Assembly includes dynamic activity eccentric support body, car door lock knife and gate and saved oneself knife, the eccentric support body of activity and meanwhile with car door lock knife, sedan-chair Door saves oneself knife and support body is hinged, wherein the car door lock knife and gate are saved oneself, knife is vertically extending and is formed in both outsides There is baffle plate;The gate lock assembly includes gate activity latch hook, the quiet latch hook of gate and spring, wherein the gate activity latch hook turns It is dynamic to be connected on the support body and moved by car door lock knife-band, it is provided with the lock hooked together for gate activity latch hook on the quiet latch hook of gate Groove, the spring are used to drive the normally closed locking quiet latch hook of gate of gate activity latch hook;The layer door assembly includes layer door hanging plate With the gear wheel on layer door hanging plate.
Further, in addition to the fixing cutter and movable blade that are arranged on support body, wherein between described movable blade and support body Connected by connecting rod, while directive wheel is rotatably connected on the top of the movable blade, the directive wheel edge is arranged at S above support body The activity of shape guide groove is so as to driving movable blade to make vertical back and forth movement.
Further, layer door lock castor, the layer door lock that the layer door assembly also includes being arranged on layer door hanging plate are fixed Wheel, layer door lock movable hook and the quiet hook of layer door lock, layer door lock castor and layer the door lock fast pulley are located at fixing cutter and movable blade Between, the layer door lock movable hook after the fixing cutter and movable blade holding sheet door lock castor and layer door lock fast pulley up Rise, decline after shutdown.
Further, be rotatably connected to car door lock castor on the gate activity latch hook, at the same the car door lock knife also into The right push pedal contradicted with the car door lock castor of shape.
Further, the fixing cutter misplaces with movable blade to layer door lock castor and layer door lock fast pulley.
Further, the more moveable lock hooks of above-mentioned gate and the quiet latch hook of gate are reserved with pitch space, but do not allow artificially to open in sedan-chair The crack between a door and its frame of door exceeds 50mm.
Device of the present invention sets up gate knife assembly, gate lock assembly by the asynchronous door knife of door-opened elevator mechanism.Elevator When car is in normal door region, gear wheel is in gate and saved oneself between knife and car door lock knife, when being opened the door, utilizes layer door Lock the gear wheel set up and gate save oneself knife baffle plate it is inconsistent so as to drive gate to save oneself knife activity, then pass through movable eccentric frame Body drives the activity of car door lock knife, final to drive gate activity latch hook to be broken off relations from the quiet latch hook of gate, enables car door smooth opening. When lift car is in non-enabling regional location, gear wheel is not at gate and saved oneself between knife and car door lock knife, because shelves wheel does not play conflict Activity can not occur for effect, gate knife of saving oneself, and final gate activity latch hook can not lift in critical field internal locking, prevent from multiplying Visitor takes off door in non-enabling region to falling the potential safety hazard such as hoistway, while solves doorway position and the wide protection network that need to install additional of hoistway is brought The asynchronous door knife linkage car door locking device of a large amount of human and material resources.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention.
Fig. 2 is the explosive view of the present invention.
Fig. 3 is the dimensional structure diagram of the gate knife assembly of the present invention.
Fig. 4 is the rearview of the gate knife assembly of the present invention.
Fig. 5 is the dimensional structure diagram of the gate lock assembly of the present invention.
Fig. 6 is the dimensional structure diagram of the layer door assembly of the present invention.
Fig. 7 is the rearview of the layer door assembly of the present invention.
Fig. 8 is schematic diagram of the present invention in door opening state.
Fig. 9 closes door state schematic diagram for the present invention at anon-normal hold-open door region.
Figure 10 closes door state schematic diagram for the present invention at normal door region.
Figure 11 is released state schematic diagram of the present invention.
Wherein, 1- support bodys, 2- fixing cutters, 3- movable blades, 31- directive wheels, 32-S shape guide grooves, 33- connecting rods, 4- gate knives Assembly, the eccentric support body of 41- activities, 42- car door lock knives, 421- push pedals, 43- gates are saved oneself knife, 44- baffle plates, 5- gate lock assemblies, 51- gate activity latch hooks, 511- car door lock castors, the quiet latch hook of 52- gates, 521- locked grooves, 53- springs, 6- layer door assemblies, 61- layer door hanging plates, 62- gear wheels, 63- layer door lock castors, 64- layer door lock fast pulleys, 65- layer door lock movable hooks, 66- layer door locks Quiet hook.
Embodiment
As depicted in figs. 1 and 2, asynchronous door knife linkage car door locking device of the present invention, including it is fixedly installed in elevator With the support body 1 of lift car synchronization lifting, the fixing cutter 2 being arranged on support body 1, movable blade 3, the and of gate knife assembly 4 on car Gate lock assembly 5, also include the layer door assembly 6 being arranged on each layer door.
Referring to shown in Fig. 3 and Fig. 4, connected between movable blade 3 and support body 1 by connecting rod 33, while in the upper of the movable blade 3 Portion is rotatably connected to directive wheel 31, and directive wheel 31 is along the activity of 1 top S-shaped guide groove of support body 32 is arranged at so as to driving movable blade 3 Make vertical back and forth movement.Gate knife assembly 4 includes activity eccentric support body 41, car door lock knife 42 and gate and saved oneself knife 43, and activity is partially Saved oneself simultaneously with car door lock knife 42, gate knife 43 and the support body 1 of heart support body 41 is be hinged, and wherein car door lock knife 42 and gate is saved oneself knife 43 It is vertically extending and in both outsides formed with baffle plate 44.
Shown in Figure 5, gate lock assembly 5 includes gate activity latch hook 51, the quiet latch hook 52 of gate and spring 53, wherein institute State gate activity latch hook 51 to be rotationally connected with the support body 1 and driven by car door lock knife 42, opened on the quiet latch hook 52 of gate There is the locked groove 521 hooked together for gate activity latch hook 51, when gate activity latch hook 51 hooks the locked groove 521 on the quiet latch hook 52 of gate Locking is realized, gate is not opened, spring 53 is used to drive gate activity latch hook 51 to pull down, and protects its latch hook 52 quiet with gate Normally closed locking is held, when gate activity latch hook 51 is mutually locked with the quiet latch hook 52 of gate, gate activity latch hook 51 is remained in locked groove Make in 521 it is a range of slidably so that gate can open the crack between a door and its frame of one fixed width in the range of restriction, in this implementation The crack between a door and its frame for not allowing artificially to open the door in sedan-chair in example exceeds 50mm.
In the present embodiment, car door lock castor 511, while the car door lock are rotatably connected on gate activity latch hook 51 Knife 42 also shapes the right push pedal 421 contradicted with the car door lock castor 511.When gate is opened, car door lock knife 42 is driven And top offset in the horizontal direction, so that push pedal 421 contradicts with car door lock castor 511, so as to drive gate activity latch hook 51 Swing is broken off relations from the quiet latch hook 52 of gate.
Referring to shown in Fig. 6 and Fig. 7, layer door assembly 6 includes layer door hanging plate 61, the gear wheel on layer door hanging plate 61 62nd, the layer door lock castor 63 on layer door hanging plate 61, layer door lock fast pulley 64, layer door lock movable hook 65 and layer door lock are quiet Hook 66, between fixing cutter 2 and movable blade 3, the layer door lock is lived for the layer door lock castor 63 and layer door lock fast pulley 64 Dynamic hook 65 is after the fixing cutter 2 and the holding sheet door lock castor 63 of movable blade 3 and layer door lock fast pulley 64 toward after rising, close the door Decline.In the present embodiment, fixing cutter 2 and movable blade 3 are to 64 overlapping dislocation shape of layer door lock castor 63 and layer door lock fast pulley Into specific spacing, for ensureing that door knife is locked with door lock or release makes door-opened elevator smoothly run up and down.
The working method of the present invention is as follows:
It is shown in Figure 8, the position in non-enabling region such as between elevator rests in two floors because of other reasonses such as accidents When upper, when lift car is in non-enabling regional location, gear wheel 62 is not at gate and saved oneself between knife 43 and car door lock knife 42, because of shelves Conflict effect can not be taken turns, activity can not occur for gate knife 43 of saving oneself, and the quiet latch hook 52 of final gate activity latch hook 51 and gate is still protected Gate can not be opened by holding the passenger in locking state, sedan-chair.Professional can only be called stop at optimal floor machinery in car and open Door, it is ensured that safety puts people.
Referring to resting in flat bed shown in Fig. 9 to Figure 11, at lift car or during close to the normal door region such as flat bed, gear wheel 62 save oneself between knife 43 and car door lock knife 42 in gate.When opening the door, car door lock is always translated with gate, and its gate is saved oneself knife 43 Its baffle plate 44 can be inconsistent with gear wheel 62 after a segment distance is translated, and under the conflict effect of gear wheel 62, gate knife 43 of saving oneself is sent out Life is dynamic, and the eccentric support body 41 of activity swings and drives the activity of car door lock knife 42 therewith, moves its push pedal when swinging of car door lock knife 42 421 can promote the car door lock castor 511 on gate activity latch hook 51 gate activity latch hook 51 is also swung therewith, finally make sedan-chair The movable latch hook 51 of door breaks off relations from the quiet latch hook 52 of gate, is gate energy smooth opening.Meanwhile the fixing cutter 2 on support body 1 and layer door Lock castor 63 is contradicted so as to drive a layer door lock movable hook 65 to swing, and layer door lock movable hook 65 is broken off relations with the quiet hook 66 of layer door lock and is solved Lock, enables layer door smooth opening.
When lift car is in normal door region, gear wheel 62 is in gate and saved oneself between knife 43 and car door lock knife 42, When being opened the door, gear wheel 62 and the gate set up using layer door lock save oneself knife 43 baffle plate 44 it is inconsistent so as to driving gate to save oneself The activity of knife 43, the activity of car door lock knife 42 is then driven by the eccentric support body 41 of activity, it is final to drive gate activity latch hook 51 from sedan-chair Broken off relations on the quiet latch hook 52 of door, enable car door smooth opening.When lift car is not at sedan-chair in non-enabling regional location, gear wheel 62 Door is saved oneself between knife 43 and car door lock knife 42, and because shelves wheel does not play conflict, activity, final sedan-chair can not occur for gate knife 43 of saving oneself The movable latch hook 51 of door can not lift in critical field internal locking, prevent passenger from taking off door in non-enabling region to falling the safety such as hoistway Hidden danger, while solve doorway position and the wide asynchronous door knife linkage gate that need to be installed protection network additional and bring a large amount of human and material resources of hoistway Locking device.
Embodiment described above is only presently preferred embodiments of the present invention, not does any formal limit to the present invention System.Any those skilled in the art, without departing from the scope of the technical proposal of the invention, all using the disclosure above Technology contents more possible variations and retouching are made to technical solution of the present invention, or be revised as the equivalence enforcement of equivalent variations Example.Therefore all contents without departing from technical solution of the present invention, the equivalent equivalence changes that the thinking according to the present invention is made, it all should cover In in protection scope of the present invention.

Claims (6)

  1. A kind of 1. asynchronous door knife linkage car door locking device, it is characterised in that:Including the support body being fixedly installed on lift car (1) the gate knife assembly (4) and gate lock assembly (5), being arranged on the support body (1), also include and are arranged on each layer door Layer door assembly (6);The gate knife assembly (4) includes dynamic activity eccentric support body (41), car door lock knife (42) and gate certainly Rescue knife (43), the eccentric support body of activity (41) and meanwhile with car door lock knife (42), gate save oneself knife (43) and support body (1) it is be hinged, Wherein described car door lock knife (42) and gate save oneself knife (43) it is vertically extending and in both outsides formed with baffle plate (44); The gate lock assembly (5) includes gate activity latch hook (51), the quiet latch hook of gate (52) and spring (53), wherein the gate is lived Moveable lock hook (51) is rotationally connected with the support body (1) and driven by car door lock knife (42), is opened on the quiet latch hook of gate (52) There is the locked groove (521) hooked together for gate activity latch hook (51), the spring (53) is used to drive gate activity latch hook (51) normally closed Lock the quiet latch hook of gate (52);The layer door assembly (6) includes layer door hanging plate (61) and on layer door hanging plate (61) Gear wheel (62).
  2. A kind of 2. asynchronous door knife linkage car door locking device according to claim 1, it is characterised in that:Also include being arranged on frame Fixing cutter (2) and movable blade (3) on body (1), wherein between described movable blade (3) and support body (1) by connecting rod (33) even Connect, while directive wheel (31) is rotatably connected on the top of the movable blade (3), directive wheel (31) edge is arranged at support body (1) Top S-shaped guide groove (32) activity is so as to driving movable blade (3) to make vertical back and forth movement.
  3. A kind of 3. asynchronous door knife linkage car door locking device according to claim 2, it is characterised in that:The layer door assembly (6) the layer door lock castor (63), layer door lock fast pulley (64), layer door lock movable hook being arranged on layer door hanging plate (61) are also included (65) and the quiet hook of layer door lock (66), the layer door lock castor (63) and layer door lock fast pulley (64) are located at fixing cutter (2) with living Between moving knife (3), the layer door lock movable hook (65) is in the fixing cutter (2) and movable blade (3) holding sheet door lock castor (63) decline afterwards toward after rising, close the door with layer door lock fast pulley (64).
  4. A kind of 4. asynchronous door knife linkage car door locking device according to claim 1, it is characterised in that:Described
    Car door lock castor (511) is rotatably connected on the gate activity latch hook (51), while the car door lock knife (42) is also Shape the right push pedal (421) contradicted with the car door lock castor (511).
  5. A kind of 5. asynchronous door knife linkage car door locking device according to claim 1, it is characterised in that:The fixing cutter (2) With movable blade (3) pitch space is formed to overlapping misplace of layer door lock castor (63) and layer door lock fast pulley (64).
  6. A kind of 6. asynchronous door knife linkage car door locking device according to claim 1, it is characterised in that:The gate livelock hook (51) and the quiet latch hook of gate (52) is reserved with pitch space, and the crack between a door and its frame artificially to open the door is without departing from 50mm.
CN201710803858.5A 2017-09-08 2017-09-08 Asynchronous door knife linkage car door lock device Active CN107572354B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710803858.5A CN107572354B (en) 2017-09-08 2017-09-08 Asynchronous door knife linkage car door lock device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710803858.5A CN107572354B (en) 2017-09-08 2017-09-08 Asynchronous door knife linkage car door lock device

Publications (2)

Publication Number Publication Date
CN107572354A true CN107572354A (en) 2018-01-12
CN107572354B CN107572354B (en) 2023-08-15

Family

ID=61031448

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710803858.5A Active CN107572354B (en) 2017-09-08 2017-09-08 Asynchronous door knife linkage car door lock device

Country Status (1)

Country Link
CN (1) CN107572354B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114348833A (en) * 2021-12-16 2022-04-15 日立电梯(中国)有限公司 Asynchronous door knife integrated car door lock and elevator
CN114348834A (en) * 2021-12-16 2022-04-15 日立电梯(中国)有限公司 Asynchronous door knife structure and elevator door lock device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101121489A (en) * 2007-09-14 2008-02-13 沈阳博林特电梯有限公司 Door-knife door-lock device for elevator door
CN104760874A (en) * 2015-03-26 2015-07-08 广州广日电梯工业有限公司 Asynchronous door vane of elevator door
CN104773637A (en) * 2014-01-15 2015-07-15 上海三菱电梯有限公司 Asynchronous door knife with car lock, elevator door motor and car system
CN105645240A (en) * 2016-04-12 2016-06-08 西继迅达(许昌)电梯有限公司 Lift cage door lock device
CN106185571A (en) * 2016-08-31 2016-12-07 宁波申菱电梯配件有限公司 A kind of asynchronous door lock device of integrated car door lock
WO2017031829A1 (en) * 2015-08-21 2017-03-02 南通中尧特雷卡电梯产品有限公司 Elevator door vane
CN207258976U (en) * 2017-09-08 2018-04-20 佛山市昌宏电梯机械有限公司 A kind of asynchronous door knife linkage car door locking device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101121489A (en) * 2007-09-14 2008-02-13 沈阳博林特电梯有限公司 Door-knife door-lock device for elevator door
CN104773637A (en) * 2014-01-15 2015-07-15 上海三菱电梯有限公司 Asynchronous door knife with car lock, elevator door motor and car system
CN104760874A (en) * 2015-03-26 2015-07-08 广州广日电梯工业有限公司 Asynchronous door vane of elevator door
WO2017031829A1 (en) * 2015-08-21 2017-03-02 南通中尧特雷卡电梯产品有限公司 Elevator door vane
CN105645240A (en) * 2016-04-12 2016-06-08 西继迅达(许昌)电梯有限公司 Lift cage door lock device
CN106185571A (en) * 2016-08-31 2016-12-07 宁波申菱电梯配件有限公司 A kind of asynchronous door lock device of integrated car door lock
CN207258976U (en) * 2017-09-08 2018-04-20 佛山市昌宏电梯机械有限公司 A kind of asynchronous door knife linkage car door locking device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114348833A (en) * 2021-12-16 2022-04-15 日立电梯(中国)有限公司 Asynchronous door knife integrated car door lock and elevator
CN114348834A (en) * 2021-12-16 2022-04-15 日立电梯(中国)有限公司 Asynchronous door knife structure and elevator door lock device

Also Published As

Publication number Publication date
CN107572354B (en) 2023-08-15

Similar Documents

Publication Publication Date Title
CN103287953B (en) Integrated car door lock and asynchronous door knife device of elevator
CN103935873B (en) A kind of synchronous door knife device of the band car door lock for elevator
CN203359737U (en) Elevator device for integrating lift car door lock and asynchronous door cutter
CN204038823U (en) Integrated car door lock synchronous door knife
CN201605076U (en) Door knife anti-scrabble device for elevator car door
CN107572354A (en) A kind of asynchronous door knife linkage car door locking device
CN104760874B (en) Asynchronous door vane of elevator door
CN207258976U (en) A kind of asynchronous door knife linkage car door locking device
CN101748943B (en) Lift car gate lock
CN104192684B (en) A kind of integrated car door lock synchronous door knife
CN105645240B (en) A kind of car door locking device
CN203833441U (en) Synchronous door knife device with car door lock for elevator
CN103552900A (en) Auxiliary device for opening elevator car door lock and elevator
CN201258208Y (en) Safeguard protection device for elevator unlocking outside hall
CN103832908B (en) A kind of elevator door-motor is anti-takes off device
JP5600778B1 (en) Elevator safety device
CN206188185U (en) Take sedan -chair every sword device of sedan -chair lock
CN109879143A (en) Elevator car door system and its door knife with enabling limits device
CN212315272U (en) Integrated car door lock sword
CN103738818B (en) Elevator door-motor is anti-takes off device
CN201952090U (en) Elevator switch door device with retractable door opening knife
CN209721318U (en) Elevator car door system and its door knife with enabling limits device
CN210825038U (en) Door lock of household elevator car
CN206606903U (en) A kind of elevator cage door locks device
CN205953301U (en) Door opening machine for elevator

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant