CN106672766B - Elevator door safety device and elevator with the device - Google Patents
Elevator door safety device and elevator with the device Download PDFInfo
- Publication number
- CN106672766B CN106672766B CN201710054888.0A CN201710054888A CN106672766B CN 106672766 B CN106672766 B CN 106672766B CN 201710054888 A CN201710054888 A CN 201710054888A CN 106672766 B CN106672766 B CN 106672766B
- Authority
- CN
- China
- Prior art keywords
- latch hook
- wirerope
- elevator
- door
- safety device
- 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.)
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Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/028—Safety devices separate from control system in case of power failure, for hydraulical lifts, e.g. braking the hydraulic jack
Abstract
The invention discloses a kind of elevator door safety devices comprising first layer door comprising the first door strap, the lock hook seat being arranged on the first door strap；Second layer door comprising the second door strap, the latch hook mechanism being arranged on the second door strap；The both ends of linkage wirerope are fixed on the latch hook mechanism, and the linkage wirerope is connected with the latch hook mechanism, and when the wirerope that links is normal, the latch hook mechanism is separated with the lock hook seat；When the wirerope that links disconnects, the latch hook mechanism hooks the lock hook seat, and the first layer door is connected locking with second layer door.It is safe that elevator door safety device of the invention can guarantee that elevator door uses, and then the safety of hoisting elevator.
Description
Technical field
The present invention relates to elevator safety technical field more particularly to a kind of elevator door safety device and there is the dress
The elevator set.
Background technique
Elevator landing door generally comprises two fan doors, and wherein Yishanmen is moved by door lifter by door knife-band, as driving
Door；Another Yishanmen is connect by the wirerope that links with the driving gate, and passive door is used as；When door lifter opens or closes,
Two fan doors can be realized by wirerope linkage or multiple leaf door switchs together.
But when the wirerope that links disconnects, passive door forms an individual components because running out of steam and constraining, it can not
The normal switch door together with driving gate, there are very big security risks.
Summary of the invention
The purpose of the present invention is to provide a kind of elevator door safety device, it can solve or partially solve above-mentioned
The technical issues of, so that it is safe to guarantee that elevator door uses.
In order to achieve the above-mentioned object of the invention, the technical solution adopted in the present invention is as follows:
A kind of elevator door safety device comprising: first layer door comprising the first door strap is arranged first
Lock hook seat on door strap；Second layer door comprising the second door strap, the latch hook mechanism being arranged on the second door strap；Linkage
The both ends of wirerope are fixed on the latch hook mechanism, and the linkage wirerope is connected with the latch hook mechanism, works as connection
When dynamic wirerope is normal, the latch hook mechanism is separated with the lock hook seat；When the wirerope that links disconnects, the latch hook mechanism hook
Lock hook seat is stated in residence, and the first layer door is connected locking with second layer door.
As a kind of specific embodiment, the lock hook seat includes the second latch hook mounting base, is arranged in second latch hook
The second latch hook in mounting base；The latch hook mechanism includes the first fixed plate, first for separating or hooking with second latch hook
Latch hook, first latch hook are arranged in first fixed plate.
As a kind of specific embodiment, the latch hook mechanism further includes the shaft being arranged in first fixed plate,
First latch hook is rotated around the shaft.
As a kind of specific embodiment, the latch hook mechanism further includes the wirerope termination of setting on the first fixing plate
Bar, the both ends of the linkage wirerope are fixedly connected on the wirerope termination bar.
Further, wirerope termination bar include the first end extension bar being connect with the one end for the wirerope that links and with connection
The second end extension bar of the other end connection of dynamic wirerope；Tensioning spring and the tensioning are provided on the first end extension bar
The driving pulley of spring connection, the tensioning spring is for being tensioned the linkage wirerope；It is described when the wirerope that links disconnects
Tensioning spring restores to extend and the driving pulley is driven to be subjected to displacement along the direction of the elongation of the tensioning spring, and then drives
The first latch hook connecting with the driving pulley is set around the rotation of the shaft in the first fixed plate, and first latch hook is made to hook the
Two latch hooks.
As a kind of specific embodiment, first latch hook includes the first recess portion positioned at first latch hook bottom,
First recess portion includes sequentially connected first convex arc, the first concave arc and the second convex arc, described when the wirerope that links is normal
Driving pulley is limited in first concave arc, and when the wirerope that links disconnects, the driving pulley is recessed along described first
Arc to the direction of the second convex arc moves, and the tail portion of the first latch hook, which is jacked up, to be risen, the latch hook subordinate of the front end of first latch hook
Drop hooks the second latch hook.
As a kind of specific embodiment, it is additionally provided with stop nut on the first end extension bar, it is described to limit
The stroke of tensioning spring and driving pulley.
As a kind of specific embodiment, the latch hook mechanism further includes that the unlocking being arranged in first fixed plate is protected
Spring is held, is connected with the tail end of first latch hook, for making first latch hook and second when the wirerope that links is normal
Latch hook keeps discrete state.
As a kind of specific embodiment, it is additionally provided with the disconnected rope connecting with elevator safety loop on the lock hook seat and opens
It closes, when the wirerope that links disconnects, the latch hook mechanism triggers broken step chain device while hooking the lock hook seat.
The purpose of the present invention is to provide a kind of elevator, which be can solve or part solves above-mentioned technical problem,
To guarantee that it is safe that elevator uses, which includes above-mentioned elevator door safety device.
Technical solution provided by the invention has the following beneficial effects:
Elevator door safety device of the invention is connect by being arranged on elevator door with elevator linkage wirerope
Latch hook mechanism and the lock hook seat that is separated from each other or hooks therewith, when the wirerope that links is normal, latch hook mechanism and lock hook seat
Separation, once wirerope disconnects, latch hook mechanism linkage is hooked with lock hook seat, by two fan elevator door lockings, makes elevator in disconnected rope
Situation lower layer door will not be opened by passenger, it is ensured that in layer door using safe.
Further, it has been also provided with broken step chain device on lock hook seat, has contacted the mistake hooked with lock hook seat in latch hook mechanism
Cheng Zhong, while broken step chain device is triggered, it is parked in elevator operating in time, further uses elevator safe.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of elevator door safety device of the invention (wirerope is normal)；
Fig. 2 is the structural schematic diagram (wirerope disconnection) of elevator door safety device of the invention；
Fig. 3 is the structural schematic diagram of the first latch hook of the invention.
Specific embodiment
In order to be fully understood from the purpose of the present invention, feature and effect, below with reference to attached drawing to design of the invention, tool
Body structure and the technical effect of generation are described further.
As shown, being the elevator door safety device of the present embodiment comprising first layer door 10 comprising first
Door strap 110, the lock hook seat 120 being arranged on the first door strap；Second layer door 20 comprising the second door strap 210, setting exist
Latch hook mechanism 220 on second door strap.
The both ends of linkage wirerope 30 are fixed on the latch hook mechanism 220, and the linkage wirerope 30 and the lock
Hook mechanism 220 is connected, and when the wirerope 30 that links is normal, the latch hook mechanism 220 is separated with the lock hook seat 120；When
When the wirerope 30 that links disconnects, the latch hook mechanism 220 hooks the lock hook seat 120, by the first layer door 10 and the second layer
20 connection locking of door.
Wherein, the lock hook seat 120 includes the second latch hook mounting base 121, is arranged in the second latch hook mounting base
Second latch hook 122.Broken step chain device 123 is additionally provided in the second latch hook mounting base.Broken step chain device 123 and elevator safety return
Road connection, when the wirerope that links disconnects, the latch hook mechanism is disconnected in the second latch hook 122 while triggering for hooking the lock hook seat
Cord switch.
Wherein, the latch hook mechanism 220 includes the first fixed plate 229, is provided with first in first fixed plate 229
Latch hook 221, first latch hook 221 can hook second latch hook 122, can also separate with second latch hook.Namely the
One latch hook is separated or is hooked with second latch hook.
The latch hook mechanism further includes the shaft 228 being arranged in first fixed plate 229, first latch hook 221
It can be rotated around the shaft 228.
Wherein, first latch hook 221 includes the first recess portion positioned at the bottom 232 of first latch hook 221, and described the
One recess portion includes sequentially connected first convex arc 234, the first concave arc 235 and the second convex arc 236.In first latch hook 221
Tail portion 233 offers an aperture, and the unlocking for being used for and being arranged in first fixed plate 229 keeps spring 222 to connect,
For making first latch hook and the second latch hook keep discrete state when the wirerope that links is normal.
The latch hook mechanism 220 further includes the wirerope termination bar 223 and 224 being arranged in the first fixed plate 229, described
The both ends of linkage wirerope 30 are fixedly connected on the wirerope termination bar.
Preferably, wirerope termination bar include the first end extension bar 224 being connect with the one end for the wirerope that links and with
The second end extension bar 223 that the other end of wirerope that links connects；Be provided on the first end extension bar 224 tensioning spring 226,
The driving pulley 225 connecting with the tensioning spring 226, the tensioning spring 226 is for being tensioned the linkage wirerope 30；When
When the wirerope that links disconnects, the tensioning spring 226 restores to extend and drives the driving pulley 225 along the tensioning spring
The direction of 226 elongation is subjected to displacement, and then drives the first latch hook 221 connecting with the driving pulley solid around being set to first
Shaft 228 on fixed board rotates, and first latch hook 221 is made to hook the second latch hook 112.It is also set up on the first end extension bar
There is stop nut 227, to limit the stroke of the tensioning spring 226 and driving pulley 225.
Preferably, the end on first end extension bar is set to fixture nut, and one end connection connecting with linkage wirerope is
Stop nut is stated, the first limit plate is equipped in one end of first fixed plate, has one to be suitable on first limit plate
The aperture that first end extension bar passes through, the fixture nut and stop nut are located at the inner side and outer side of the first limit plate.
On the inside of first limit plate, it is also arranged with holddown spring on the first end extension bar, so that first end extension bar
Be limited in the inside of the first limit plate with one end for connect of linkage wirerope, and linkage wirerope is made to be in tensioning state.
Between tensioning spring and fixture nut, it is also connected with drive pulley device, so that drive pulley device can be with
Elongating or shortening for holddown spring and move back and forth.In diagram, holddown spring is socketed in first end in succession extension bar, is needed
Illustrate, drive pulley device is not necessarily connected between holddown spring and fixture nut, is also possible to setting and is being compressed bullet
It is within the scope of the present invention as long as can shorten with the elongation of holddown spring and move outside spring.
A kind of preferred embodiment is given in diagram, the drive pulley device includes pulley mounting rack, is arranged in cunning
Take turns the driving pulley on mounting rack.Pulley mounting rack is set between holddown spring and fixture nut, preferably drive pulley device
It is connected with one end of holddown spring.The pulley mounting rack, which is also acted as, is limited in pulley mounting rack and the first limit for holddown spring
Effect between plate.
On the outside of first limit plate, the stop nut and the first limit plate have certain distance, which is
The movement travel of holddown spring and driving pulley, by the row for adjusting stop nut adjustable driving pulley and holddown spring
Journey.
Similar, in the other side of the first fixed plate, it is additionally provided with the second limit plate, second end extension bar is arranged in the second limit
In the plate of position, the other end for the wirerope that links is connected with one end of second end extension bar, and the other end of second end extension bar passes through fixed spiral shell
Mother is fixed.
As shown in Figure 1, the driving pulley is limited in first concave arc when the wirerope that links is normal, first
The tail portion of latch hook, which is unlocked, keeps spring to hold, and separates the latch hook portion 231 of the front end of the first latch hook with the second latch hook；Such as Fig. 2
Shown, when the wirerope that links disconnects, tensioning spring loses the restriction effect power of linkage wirerope, restores spring nature,
Spring is extended along graphic arrow direction, drives the driving pulley being attached thereto along first concave arc to the second convex arc
Direction movement, the tail portion of the first latch hook rises as the sliding to the right of driving pulley is jacked up, the front end of first latch hook
Latch hook subordinate drop hook the second latch hook.
The embodiment of the invention also provides a kind of elevator, which includes above-mentioned elevator door safety device.It is logical
Cross the latch hook that the latch hook mechanism connecting with elevator linkage wirerope is set on elevator door and is separated from each other or hooks therewith
Seat, when the wirerope that links is normal, latch hook mechanism is separated with lock hook seat, once wirerope disconnects, latch hook mechanism linkage and latch hook
Seat hooks, and by two fan elevator door lockings, open elevator will not by passenger in Duan Sheng situation lower layer door, it is ensured that in layer door
Using safe.Further, it has been also provided with broken step chain device on lock hook seat, has contacted the mistake hooked with lock hook seat in latch hook mechanism
Cheng Zhong, while broken step chain device is triggered, it is parked in elevator operating in time, further uses elevator safe.
The above described is only a preferred embodiment of the present invention, limitation in any form not is done to the present invention, therefore
All contents without departing from technical solution of the present invention, it is made to the above embodiment according to the technical essence of the invention any simply to repair
Change, equivalent variations and modification, all of which are still within the scope of the technical scheme of the invention.
Claims (10)
1. elevator door safety device characterized by comprising
First layer door comprising the first door strap, the lock hook seat being arranged on the first door strap；
Second layer door comprising the second door strap, the latch hook mechanism being arranged on the second door strap；
The both ends of linkage wirerope are fixed on the latch hook mechanism, and the linkage wirerope and latch hook mechanism linkage connect
It connects, when the wirerope that links is normal, the latch hook mechanism is separated with the lock hook seat；When the wirerope that links disconnects, the lock
Hook mechanism hooks the lock hook seat, and the first layer door is connected locking with second layer door.
2. elevator door safety device according to claim 1, it is characterised in that:
The second latch hook that the lock hook seat includes the second latch hook mounting base, is arranged in the second latch hook mounting base；
The latch hook mechanism includes the first fixed plate, the first latch hook for separating or hooking with second latch hook, first lock
Hook is arranged in first fixed plate.
3. elevator door safety device according to claim 2, it is characterised in that:
The latch hook mechanism further includes the shaft being arranged in first fixed plate, and first latch hook turns around the shaft
It is dynamic.
4. elevator door safety device according to claim 3, it is characterised in that:
The latch hook mechanism further includes the wirerope termination bar of setting on the first fixing plate, and the both ends of the linkage wirerope are solid
Surely it is connected on the wirerope termination bar.
5. elevator door safety device according to claim 4, it is characterised in that:
Wirerope termination bar include the first end extension bar being connect with one end of linkage wirerope and with the another of wirerope of linking
The second end extension bar of one end connection；
The driving pulley for being provided with tensioning spring on the first end extension bar, being connect with the tensioning spring, the tensioning bullet
Spring is for being tensioned the linkage wirerope；
When the wirerope that links disconnects, the tensioning spring restores to extend and drives the driving pulley along the tensioning spring
The direction of elongation is subjected to displacement, and then is driven the first latch hook connecting with the driving pulley to be set around in the first fixed plate and turned
Axis rotation, makes first latch hook hook the second latch hook.
6. elevator door safety device according to claim 5, it is characterised in that:
First latch hook includes the first recess portion positioned at first latch hook bottom, and first recess portion includes sequentially connected
First convex arc, the first concave arc and the second convex arc, when the wirerope that links is normal, it is recessed that the driving pulley is limited in described first
In arc, when the wirerope that links disconnects, the driving pulley is moved along the direction of the first concave arc to second convex arc, and first
The tail portion of latch hook, which is jacked up, to be risen, and the latch hook subordinate drop of the front end of first latch hook hooks the second latch hook.
7. elevator door safety device according to claim 5, it is characterised in that:
It is additionally provided with stop nut on the first end extension bar, to limit the stroke of the tensioning spring and driving pulley.
8. elevator door safety device according to claim 2, it is characterised in that:
The latch hook mechanism further includes that the unlocking being arranged in first fixed plate keeps spring, with first latch hook
Tail end is connected, for making first latch hook and the second latch hook keep discrete state when the wirerope that links is normal.
9. elevator door safety device according to claim 1-8, it is characterised in that:
The broken step chain device connecting with elevator safety loop is additionally provided on the lock hook seat, when the wirerope that links disconnects, institute
It states latch hook mechanism and triggers broken step chain device while hooking the lock hook seat.
10. a kind of elevator, which is characterized in that including the described in any item elevator door safety devices of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710054888.0A CN106672766B (en) | 2017-01-24 | 2017-01-24 | Elevator door safety device and elevator with the device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710054888.0A CN106672766B (en) | 2017-01-24 | 2017-01-24 | Elevator door safety device and elevator with the device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106672766A CN106672766A (en) | 2017-05-17 |
| CN106672766B true CN106672766B (en) | 2019-08-23 |
Family
ID=58859991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710054888.0A Active CN106672766B (en) | 2017-01-24 | 2017-01-24 | Elevator door safety device and elevator with the device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106672766B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108455402A (en) * | 2018-04-08 | 2018-08-28 | 林肯电梯(中国)有限公司 | Car door emergency unlocking device |
| CN108341315A (en) * | 2018-04-08 | 2018-07-31 | 林肯电梯(中国)有限公司 | Car door rescues unlocking apparatus |
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|---|---|---|---|---|
| US5730254A (en) * | 1995-07-21 | 1998-03-24 | Vertisys, Inc. | Elevator door restraint device |
| WO2005090219A1 (en) * | 2004-03-17 | 2005-09-29 | Mitsubishi Denki Kabushiki Kaisha | Safety device of door of elevator |
| CN201770391U (en) * | 2010-08-11 | 2011-03-23 | 宁波市鄞州欧菱电梯配件有限公司 | Elevator landing door |
| CN201914822U (en) * | 2010-12-27 | 2011-08-03 | 东莞市快意电梯有限公司 | Landing gate switch protection structure of elevator |
| CN202063624U (en) * | 2011-02-15 | 2011-12-07 | 苏州莱茵电梯制造有限公司 | Power landing door system applied on elevator |
| CN202296760U (en) * | 2011-09-30 | 2012-07-04 | 快意电梯有限公司 | Safety protection device of landing door of elevator |
| CN203064973U (en) * | 2012-12-19 | 2013-07-17 | 四川美奥电梯股份有限公司 | Elevator landing door interlocking device |
| CN203306894U (en) * | 2013-07-05 | 2013-11-27 | 宁波欧菱电梯配件有限公司 | Novel lock device for elevator floor door |
| CN206529200U (en) * | 2017-01-24 | 2017-09-29 | 广州广日电梯工业有限公司 | Elevator door safety device and the elevator with the device |
-
2017
- 2017-01-24 CN CN201710054888.0A patent/CN106672766B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5730254A (en) * | 1995-07-21 | 1998-03-24 | Vertisys, Inc. | Elevator door restraint device |
| WO2005090219A1 (en) * | 2004-03-17 | 2005-09-29 | Mitsubishi Denki Kabushiki Kaisha | Safety device of door of elevator |
| CN201770391U (en) * | 2010-08-11 | 2011-03-23 | 宁波市鄞州欧菱电梯配件有限公司 | Elevator landing door |
| CN201914822U (en) * | 2010-12-27 | 2011-08-03 | 东莞市快意电梯有限公司 | Landing gate switch protection structure of elevator |
| CN202063624U (en) * | 2011-02-15 | 2011-12-07 | 苏州莱茵电梯制造有限公司 | Power landing door system applied on elevator |
| CN202296760U (en) * | 2011-09-30 | 2012-07-04 | 快意电梯有限公司 | Safety protection device of landing door of elevator |
| CN203064973U (en) * | 2012-12-19 | 2013-07-17 | 四川美奥电梯股份有限公司 | Elevator landing door interlocking device |
| CN203306894U (en) * | 2013-07-05 | 2013-11-27 | 宁波欧菱电梯配件有限公司 | Novel lock device for elevator floor door |
| CN206529200U (en) * | 2017-01-24 | 2017-09-29 | 广州广日电梯工业有限公司 | Elevator door safety device and the elevator with the device |
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| Publication number | Publication date |
|---|---|
| CN106672766A (en) | 2017-05-17 |
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