CN110054062A - A kind of elevator door lock device - Google Patents

A kind of elevator door lock device Download PDF

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Publication number
CN110054062A
CN110054062A CN201910304015.XA CN201910304015A CN110054062A CN 110054062 A CN110054062 A CN 110054062A CN 201910304015 A CN201910304015 A CN 201910304015A CN 110054062 A CN110054062 A CN 110054062A
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CN
China
Prior art keywords
latch hook
rod
door lock
elevator door
bottom plate
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
CN201910304015.XA
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Chinese (zh)
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CN110054062B (en
Inventor
徐兆军
张文欣
张为民
高金尧
戚国峰
陈雨凡
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.)
Hangzhou Youmai Electromechanical Technology Co ltd
Original Assignee
ZHEJIANG XIZI HEAVY INDUSTRY MACHINERY Co Ltd
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Priority to CN201910304015.XA priority Critical patent/CN110054062B/en
Publication of CN110054062A publication Critical patent/CN110054062A/en
Application granted granted Critical
Publication of CN110054062B publication Critical patent/CN110054062B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02Door or gate operation
    • B66B13/14Control systems or devices
    • B66B13/143Control systems or devices electrical

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Elevator Door Apparatuses (AREA)

Abstract

The invention discloses a kind of elevator door lock devices, including fixed latch hook, the detection switch whether locked with the movable latch hook of fixed latch hook cooperation locking and detection activity latch hook and fixed latch hook, the detection switch is installed on bottom plate, the activity latch hook rotational installation is in bottom plate, it is additionally provided with the drive rod of drive activity latch hook movement on bottom plate, the link mechanism of detection trigger switch motion is additionally provided on the drive rod.Elevator door lock device structure of the present invention is simple, exquisite, at low cost, and installation and debugging are convenient, effectively increases safety and reliability.

Description

A kind of elevator door lock device
Technical field
The present invention relates to elevator technology field, especially a kind of elevator door lock device.
Background technique
Door lock of elevator is the important component for guaranteeing elevator safety operation, needs to configure door lock, existing door lock per door layer by layer The electric part locked or opened including mechanical second portion and the mechanical latch hook of detection.Mechanical second portion include fixed latch hook and Movable latch hook, movable latch hook realize the locking or opening with fixed latch hook by the control of gate door machine;Electric part includes point Not She Yu electrical contact on movable latch hook and fixed latch hook, lifting or latching and realize taking for two electrical contacts by movable latch hook It connects, to connect safety return circuit.
Wherein, electrical contact connect the sheet metal taken completely it is exposed outside, there are gap and door lock fills between layer door and gate The outermost for being normally at layer door gear is set, maintenance staff and passenger stretch out one's hand upwards is very easy to touch the electrical contact, is easy Electric shock casualty accident occurs, there is great security risks.
In addition, structure is complicated for existing door lock assembly, need to debug repeatedly during installation and subsequent maintenance, mechanical latch hook Part precision is low, and linkage reliability is poor, and false triggering electricity touches easy appearance activity latch hook due to movement deviation and fixed latch hook are without sealed The case where head overlap joint, influence lift running safety.
Summary of the invention
Of the existing technology in order to solve the problems, such as, it is simple, exquisite that the present invention provides a kind of elevator door lock device structures, At low cost, installation and debugging are convenient, effectively increase safety and reliability.
The present invention is achieved through the following technical solutions: a kind of elevator door lock device, including fixed latch hook and fixed latch hook The detection switch for cooperating the movable latch hook locked and detection activity latch hook and fixed latch hook whether to lock, the detection switch peace Loaded on bottom plate, the activity latch hook rotational installation is in the drive rod for being additionally provided with the movement of drive activity latch hook on bottom plate, bottom plate, institute State the link mechanism that detection trigger switch motion is additionally provided on drive rod.
Elevator door lock device machinery second portion structure of the present invention is simple and precision is high, is joined using drive rod and link mechanism The characteristics of dynamic consistency, can safe detection trigger switch, effectively increase stability of the elevator door lock device in elevator operation And reliability.
Further, the drive rod is that rotational installation turns in the middle part of the curved arm rod on bottom plate, curved arm rod with bottom plate Dynamic connection, curved arm rod one end and movable latch hook are rotatablely connected, and the other end is fixed with croquet, and the curved arm rod of integral structure is whole Carry main driving role in a door lock interlocking mechanism.
Further, the drive rod further includes first connecting rod, and described first connecting rod one end is movably connected in the company of cranking arm Boom end, the other end are movably connected on movable latch hook, and curved arm rod drives active lock by the transmitting stress of first connecting rod The closure of hook and fixed latch hook.
Further, the link mechanism includes second connecting rod and rack rod, and second connecting rod one end is movably connected in song In arm link, the other end is movably connected on rack rod, and on bottom plate, curved arm rod passes through for the rack rod rotational installation The transmitting stress of second connecting rod carrys out the rotation of driving arm connecting rod.
Further, the rack rod and movable latch hook are rotated coaxially and are installed on bottom plate, to ensure to be formed closing Bar-link drive, improve elevator door lock device operation when stability and reliability.
Further, it is additionally provided with resetting apparatus between the bottom plate and drive rod, effectively increases the self-closing energy of door lock Power, and eliminate noise.
Further, the resetting apparatus is spring return mechanism, is respectively arranged with limit on bottom plate and on drive rod Plate, spring return mechanism both ends are separately fixed on aforementioned limit plate.
Further, the spring return mechanism includes:
The stay-bolt of limit plate on bottom plate and drive rod;
It is sheathed on the reset spring that on stay-bolt and both ends offset with two limit plates respectively;
With the wing nut of stay-bolt cooperation lock adjustment drive rod initial position.
The position of curved arm rod is adjusted by screwing the decrement of wing nut adjustment reset spring, so as to adjust activity Limit rotation position when latch hook is sealed can effectively avoid movable latch hook and the timing of fixing lock hook lock by the spring return mechanism Rigid collision is generated, noise at closing time is eliminated, improves the comfort that elevator uses.
Further, the rack rod is equipped with the contact pin of detection trigger switch motion.
Further, the rack rod is equipped with the baffle for preventing movable latch hook from excessively rotating, and baffle side can be used In installation contact pin, the other side can be used for barrier activity latch hook, prevents active lock to be hooked in and lifts in the process excessively rotation.
Elevator door lock device of the present invention effectively increases the precision of mechanical second portion, passes through the spy of connection-rod linkage consistency Point, detection trigger switchs while driving activity latch hook and fixing lock hook lock close, reliability and stability with higher.Together When eliminate bring security risk due to exposed electrical contact overlap joint in the prior art, effectively increase the safety of door lock assembly Performance.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of elevator door lock device of the present invention;
Fig. 2 is the perspective view of the explosion of elevator door lock device of the present invention;
Fig. 3 is the schematic diagram of elevator door lock device locked state of the present invention;
Fig. 4 is the schematic diagram of elevator door lock device opening state of the present invention;
In figure: 1, movable latch hook;2, first connecting rod;3, curved arm rod;3a, the first swing arm;3b, the second swing arm;3c, limit Plate;4, second connecting rod;5, rack rod;5a, baffle;6, contact pin;7, detection switch;8a, connecting shaft;8b, connecting shaft;8c, company Spindle;8d, connecting shaft;9, shaft;10a, stay-bolt;10b, reset spring;10c, wing nut;11, bottom plate;12, it limits Plate;13, the first croquet;14, the second croquet;15, shaft;16, fixed latch hook;17, door knife;18, door knife.
Specific embodiment
The specific embodiment of elevator door lock device of the present invention is further illustrated with reference to the accompanying drawing.
It should be noted that when component be referred to as with another component " connection " when, it can directly with another component It connects or there may also be components placed in the middle.When a component is considered as " being set to " another component, it be can be directly It connects and is arranged on another component or may be simultaneously present component placed in the middle.
As shown in Figs 1-4, a kind of elevator door lock device, including the fixation latch hook 16 being fixedly mounted on layer Men Mentou, with The movable latch hook 1 of the fixed cooperation of latch hook 16 locking, movable latch hook 1 are rotatably installed on bottom plate 11 by shaft 9, and bottom plate 11 is fixed It is mounted on layer door hanging plate, the detection switch whether detection activity latch hook 1 and fixed latch hook 16 lock is also equipped on bottom plate 11 7, the drive rod of drive activity latch hook movement is additionally provided on bottom plate 11, drive rod is equipped with the connecting rod of the movement of detection trigger switch 7 Mechanism.
Drive rod includes curved arm rod 3 and first connecting rod 2, and curved arm rod 3 is structure as a whole, certain equipped with being interconnected to First swing arm 3a of angle and the second swing arm 3b, the first swing arm 3a and the second junction swing arm 3b are rotatably installed in by shaft 15 On bottom plate 11.2 one end of first connecting rod is rotatablely connected by connecting shaft 8b and the second swing arm 3b movable end, and the other end passes through connecting shaft 8a and movable latch hook 1 are rotatablely connected, and the position between movable 1 gib head of latch hook and shaft 9 is arranged in connecting shaft 8a.First swing arm 3a Movable end and fixing end be respectively equipped with the first croquet 13 and the second croquet 14.
Link mechanism includes second connecting rod 4 and rack rod 5, and rack rod 5 is all coaxial by shaft 9 with movable latch hook 1 It is rotatably installed on bottom plate 11, shaft 9 is set to 5 medium position of rack rod, and the installation of 5 one end of rack rod is equipped with detection trigger The contact pin 6 of switch motion, the other end are rotatablely connected by connecting shaft 8d and 4 one end of second connecting rod, and 4 other end of second connecting rod passes through Connecting shaft 8c is rotatably connected on the second swing arm 3b, and connecting shaft 8c is set to the position between connecting shaft 8b and shaft 15.Bracket The end that connecting rod 5 is equipped with contact pin 6 is set to the top of 1 gib head of movable latch hook, and being additionally provided on rack rod 5 prevents movable latch hook 1 Rotate excessive baffle 5a.The side baffle 5a can be used for installing except contact pin 6, and other side barrier activity latch hook 1 prevents activity Latch hook 1 excessively rotates during lifting.Resilient cushion can also be arranged in the side of baffle 5a towards movable latch hook 1, to reduce work Rigid contact of the moveable lock hook 1 during lifting with baffle 5a, prolongs the service life, and reduces noise.
Resetting apparatus is additionally provided between bottom plate 11 and curved arm rod 3, resetting apparatus is spring return mechanism, the spring reset Mechanism includes stay-bolt 10a, reset spring 10b and wing nut 10c, and corresponding position is set respectively on bottom plate 11, curved arm rod 3 There are limit plate 12 and limit plate 3c for fixed spring resetting-mechanism.Stay-bolt 10a passes through two limit plates;Reset spring 10b It is sheathed on stay-bolt 10a and both ends offsets with two limit plates respectively;Wing nut 10c and stay-bolt 10a cooperation locks, The position of curved arm rod 3 is adjusted by screwing the decrement of wing nut 10c adjustment reset spring 10b, so as to adjust activity Limit rotation position when latch hook 1 is sealed, it is ensured that movable latch hook 1 will not generate rigid collision when locking with fixed latch hook 16, disappear Except noise at closing time, the comfort that elevator uses is improved.
As shown in Figure 3, Figure 4, the course of work of elevator door lock device provided by the invention is as follows:
When elevator door Normal Shutdown state, elevator door lock device is sealed, movable latch hook 1 and fixed 16 mutually locking of latch hook, 6 detection trigger switch 7 of contact pin connects safety return circuit.When door-opened elevator, door machine control be located at the first croquet 13, the second croquet 14 it Between door knife 17 and door knife 18 it is opposite and go, door knife 18 pushes the first croquet 13, between the first croquet 13 and the second croquet 14 Lateral distance increases, and driving curved arm rod 3 15 rotates clockwise around the shaft, and the first swing arm 3a movable end drives in the first croquet 13 Under rotate down, the second swing arm 3b movable end around the shaft 15 rotation lift, by first connecting rod 2 transmit stress, movable latch hook 1 around The rotation of shaft 9 is lifted, and is separated with fixed latch hook 16, and movable latch hook 1 unlocks with fixed latch hook 16, and elevator door lock device is beaten It opens.At the same time, stress is transmitted by second connecting rod 4,9 rotation counterclockwise around the shaft of rack rod 5 is located at 5 end of rack rod The contact pin 6 in portion is detached from detection switch 7, cuts off safety return circuit, and elevator door can be safely opened.
At closing time, door machine control door knife 17 and door knife 18 go in the same direction, and the second swing arm 3b is in gravity and spring reset machine It 15 is replied downwards around the shaft under the collective effect of structure reset spring 10b recovery elastic force, between the first croquet 13 and the second croquet 14 Lateral distance reduce, curved arm rod 3 15 rotates counterclockwise around the shaft.15 rotations are fallen after rise second swing arm 3b around the shaft, by the One connecting rod 2 transmits stress, and 9 rotations are fallen after rise movable latch hook 1 around the shaft, sealed with fixed latch hook 16, movable latch hook 1 and fixed latch hook 16 lockings, elevator door lock device locking.At the same time, by second connecting rod 4 transmit stress, rack rod 5 around the shaft 9 clockwise Rotation, the 6 detection trigger switch 7 of contact pin positioned at 5 end of rack rod act, and connect safety return circuit, elevator door can not be opened.
The elevator door lock device delicate structure, it is at low cost, the characteristics of using connection-rod linkage consistency, in driving activity latch hook Detection trigger switchs while conjunction with fixing lock hook lock, reliability and stability with higher.The prior art is eliminated simultaneously Middle bring security risk due to exposed electrical contact overlap joint, effectively increases the security performance of door lock assembly.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party Formula carries out change and modification appropriate.Therefore, the invention is not limited to the specific embodiments disclosed and described above, to this Some modifications and changes of invention should also be as falling into the scope of the claims of the present invention.In addition, although this specification In use some specific terms, these terms are merely for convenience of description, does not limit the present invention in any way.

Claims (10)

1. a kind of elevator door lock device, including fixed latch hook, the movable latch hook locked with fixed latch hook cooperation and detection activity The detection switch whether latch hook and fixed latch hook lock, which is characterized in that the detection switch is installed on bottom plate, the activity Latch hook rotational installation is additionally provided with touching in the drive rod for being additionally provided with the movement of drive activity latch hook on bottom plate, bottom plate, on the drive rod Send out the link mechanism of detection switch movement.
2. elevator door lock device as described in claim 1, which is characterized in that the drive rod is rotational installation on bottom plate Curved arm rod, curved arm rod middle part are rotatablely connected with bottom plate, and curved arm rod one end and movable latch hook rotation connection, the other end are fixed There is croquet.
3. elevator door lock device as claimed in claim 2, which is characterized in that the drive rod further includes first connecting rod, described First connecting rod one end is movably connected in curved arm rod end, and the other end is movably connected on movable latch hook.
4. elevator door lock device as claimed in claim 2, which is characterized in that the link mechanism includes second connecting rod and bracket Connecting rod, second connecting rod one end are movably connected on curved arm rod, and the other end is movably connected on rack rod, the rack rod It is rotatablely installed on bottom plate.
5. elevator door lock device as claimed in claim 4, which is characterized in that the rack rod is rotated coaxially with movable latch hook It is installed on bottom plate.
6. elevator door lock device as described in claim 1, which is characterized in that be additionally provided between the bottom plate and drive rod multiple Position device.
7. elevator door lock device as claimed in claim 6, which is characterized in that the resetting apparatus is spring return mechanism, bottom On plate and it is respectively arranged with limit plate on drive rod, spring return mechanism both ends are separately fixed on aforementioned limit plate.
8. elevator door lock device as claimed in claim 7, which is characterized in that the spring return mechanism includes:
The stay-bolt of limit plate on bottom plate and drive rod;
It is sheathed on the reset spring that on stay-bolt and both ends offset with two limit plates respectively;
With the wing nut of stay-bolt cooperation lock adjustment drive rod initial position.
9. elevator door lock device as claimed in claim 4, which is characterized in that the rack rod is switched equipped with detection trigger The contact pin of movement.
10. elevator door lock device as claimed in claim 4, which is characterized in that the rack rod, which is equipped with, prevents active lock The baffle that hook excessively rotates.
CN201910304015.XA 2019-04-16 2019-04-16 Elevator door lock device Active CN110054062B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910304015.XA CN110054062B (en) 2019-04-16 2019-04-16 Elevator door lock device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910304015.XA CN110054062B (en) 2019-04-16 2019-04-16 Elevator door lock device

Publications (2)

Publication Number Publication Date
CN110054062A true CN110054062A (en) 2019-07-26
CN110054062B CN110054062B (en) 2024-04-02

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Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001302154A (en) * 2000-04-25 2001-10-31 Takano Co Ltd Home elevator
US6474448B1 (en) * 2000-01-26 2002-11-05 Sematic Italia S.P.A. Modular lock for elevator doors
US20050034931A1 (en) * 2002-03-27 2005-02-17 Romeo Deplazes Shaft monitoring system for an elevator
WO2006080094A1 (en) * 2005-01-28 2006-08-03 Mitsubishi Denki Kabushiki Kaisha Elevator car door locking apparatus
KR20080086235A (en) * 2007-03-22 2008-09-25 (주)동인산전 Elevator open & close equpment
JP2012218841A (en) * 2011-04-05 2012-11-12 Toshiba Elevator Co Ltd Landing door device
KR20130003479U (en) * 2011-12-02 2013-06-12 안정옥 Locking device of elevator door
WO2013140575A1 (en) * 2012-03-22 2013-09-26 三菱電機株式会社 Safety device for elevator
CN103434916A (en) * 2013-08-20 2013-12-11 广州日滨科技发展有限公司 Side opening door type elevator and car door lock thereof
JP2014118293A (en) * 2012-12-19 2014-06-30 Hitachi Ltd Door device of elevator
CN203820262U (en) * 2014-03-27 2014-09-10 苏州歌拉瑞电梯有限公司 Electric lift car door lock
JP2015117090A (en) * 2013-12-17 2015-06-25 株式会社日立ビルシステム Control device of elevator door
CN205099171U (en) * 2015-10-26 2016-03-23 南通通洋机电制造有限公司 Synchronous door sword device of elevator with locking mechanism
WO2016176033A1 (en) * 2015-04-10 2016-11-03 Macareno Ricardo Elevator car door interlock
CN206494628U (en) * 2017-02-28 2017-09-15 宁波昌隆机电有限公司 A kind of adjustable two-fold elevator door-motor of door opening width
CN209974069U (en) * 2019-04-16 2020-01-21 浙江西子重工机械有限公司 Elevator door lock device

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6474448B1 (en) * 2000-01-26 2002-11-05 Sematic Italia S.P.A. Modular lock for elevator doors
JP2001302154A (en) * 2000-04-25 2001-10-31 Takano Co Ltd Home elevator
US20050034931A1 (en) * 2002-03-27 2005-02-17 Romeo Deplazes Shaft monitoring system for an elevator
WO2006080094A1 (en) * 2005-01-28 2006-08-03 Mitsubishi Denki Kabushiki Kaisha Elevator car door locking apparatus
KR20080086235A (en) * 2007-03-22 2008-09-25 (주)동인산전 Elevator open & close equpment
JP2012218841A (en) * 2011-04-05 2012-11-12 Toshiba Elevator Co Ltd Landing door device
KR20130003479U (en) * 2011-12-02 2013-06-12 안정옥 Locking device of elevator door
WO2013140575A1 (en) * 2012-03-22 2013-09-26 三菱電機株式会社 Safety device for elevator
JP2014118293A (en) * 2012-12-19 2014-06-30 Hitachi Ltd Door device of elevator
CN103434916A (en) * 2013-08-20 2013-12-11 广州日滨科技发展有限公司 Side opening door type elevator and car door lock thereof
JP2015117090A (en) * 2013-12-17 2015-06-25 株式会社日立ビルシステム Control device of elevator door
CN203820262U (en) * 2014-03-27 2014-09-10 苏州歌拉瑞电梯有限公司 Electric lift car door lock
WO2016176033A1 (en) * 2015-04-10 2016-11-03 Macareno Ricardo Elevator car door interlock
CN205099171U (en) * 2015-10-26 2016-03-23 南通通洋机电制造有限公司 Synchronous door sword device of elevator with locking mechanism
CN206494628U (en) * 2017-02-28 2017-09-15 宁波昌隆机电有限公司 A kind of adjustable two-fold elevator door-motor of door opening width
CN209974069U (en) * 2019-04-16 2020-01-21 浙江西子重工机械有限公司 Elevator door lock device

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Effective date of registration: 20210506

Address after: Room 305-w, 3rd floor, 11 Lane 1888, Caoyang Road, Putuo District, Shanghai 200062

Applicant after: Xin Xi'ao Elevator Group Co.,Ltd.

Address before: No.46, Qichao Road, Chang'an Town (Nongfa District), Haining City, Jiaxing City, Zhejiang Province

Applicant before: ZHEJIANG XIZI HEAVY INDUSTRY MACHINERY Co.,Ltd.

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Effective date of registration: 20240306

Address after: 1st Floor, Building 4, No. 2329, Keji Avenue, Qingshanhu Street, Lin'an City, Hangzhou City, Zhejiang Province, 311300

Applicant after: Hangzhou Youmai Electromechanical Technology Co.,Ltd.

Country or region after: China

Address before: Room 305-w, 3rd floor, 11 Lane 1888, Caoyang Road, Putuo District, Shanghai 200062

Applicant before: Xin Xi'ao Elevator Group Co.,Ltd.

Country or region before: China

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