CN204211321U - Car door lock door lock device - Google Patents
Car door lock door lock device Download PDFInfo
- Publication number
- CN204211321U CN204211321U CN201420184523.1U CN201420184523U CN204211321U CN 204211321 U CN204211321 U CN 204211321U CN 201420184523 U CN201420184523 U CN 201420184523U CN 204211321 U CN204211321 U CN 204211321U
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- Prior art keywords
- latch hook
- hook arm
- door
- lock
- rocking bar
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- Withdrawn - After Issue
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Abstract
Elevator cage door door lock door lock device disclosed in the utility model; It is by arranging a rocking bar, utilizes the rotating band of door machine motor and the interaction of rocking bar retracing spring, controls the swing of rocking bar, and then the left and right croquet effect of binding layer reveal, realizes the control opened and closed gate.The utility model is by the set of car door lock function in gate door cutter, hits bow without the need to all arranging a unblock at every layer, to setting accuracy also no requirement (NR), decreases installation and debugging man-hours.The utility model is that a kind of being convenient to is installed, used and have the utility model device of higher economic benefit, and it is by wide, high impact of opening the door of opening the door, highly versatile, applied range.
Description
Technical field
The utility model relates to the mechanical device realizing elevator cage door locking, particularly car door lock door lock device.
Background technology
In current market product, no matter elevator is that the power of personnel about the 20kg in car can push gate aside when running or stop, if take off elevator to be behind the door in non-district of unblanking, then the article that passenger or passenger likely occur fall into the accident generation of hoistway.So, in order to avoid the generation of this type of accident, car door lock is installed in general selection, current car door lock needs to install a unblock at every layer and hits bow, car door lock need rely on the function of hitting bow and can realize unlocking, this has higher requirement to the adjustment and installation at scene, when especially number of floor levels is more, need expend a lot of energy.
At every layer, a unblock is all installed hits bow in order to unnecessary, Chinese patent Authorization Notice No. CN201864431U discloses a kind of elevator cage door cutter of locking a door and to unite two into one device, it comprises left and right door cutter tool arm, link gear, snap close, and the below of link gear is provided with the tight latch mechanism of gate be connected with door cutter tool arm.The tight latch mechanism of gate comprises the tight lock connecting rod that one end is connected with right door cutter tool arm, and the other end of tight lock connecting rod is connected with the cam be fixed on left-hand door cutter tool arm, and the below of cam is connected with the below of tightly locking connecting rod one end by extension spring.One end of car door lock latch hook contacts with the outside of cam, and the other end of car door lock latch hook stretches out right door cutter tool arm and is connected with snap close.This patent unites two into one car door locking device and door lock device, is made of one formula, decreases installation on every door layer by layer and hits bow, simplify the structure.But this patent needs to adopt cam, and the track of cam is difficult to processing.
Utility model content
The purpose of this utility model is to propose a kind of designs simplification and need not installs the elevator cage door door lock door lock device hitting bow on every door layer by layer, this elevator cage door door lock door lock device achieves the locking function of elevator cage door when running and stop, avoiding occurring in non-onlocking zone makes people or article crash into the accident generation of hoistway because passenger takes off gate then, hand, article etc. is stretched into contingent Peril Incident in hoistway after avoiding passenger to push gate aside certain gap simultaneously.
In order to realize above-mentioned utility model object of the present utility model, the technical scheme that the utility model adopts is as follows:
Elevator cage door door lock door lock device, comprises the pedestal be arranged on car overhang-door device, it is characterized in that, also comprise:
One is arranged on the lock on a machine substrate;
One control group, described control group comprises a switch plug and on-off plug, and described switch plug is arranged on described lock;
Be arranged on the hypotenuse support on described lock, described hypotenuse support has a hypotenuse;
One hill holder being hinged on top on the right side of described pedestal, described hill holder is provided with a roller near one end axle of described hypotenuse support and arranges a spring hanger, the other end relative with the one end being provided with roller is configured with one and takes breach, and the inner edge of described hill holder has an arc supplying described rod to be abutted against and keeps to the side; Described arc keeps to the side and an angle between spring hanger;
Be arranged on the upper push shaft support in described pedestal left side top, the upper end of described upper push shaft support arranges push shaft on;
Left and right door cutter, when described left and right door heel with cage operation to unblank district time, left and right door cutter spacing, between described left and right croquet, relies on left and right croquet to limit the described left and right door cutter position of opening;
One is hinged on the lower link on described pedestal pivotally by lower support axle, and the two ends of wherein said lower link are respectively by the lower hinge of first time hinge pin and second time hinge pin and described left and right door cutter;
One to be hinged on the upper connecting rod on described pedestal pivotally by upper pivot shaft, the two ends of described upper connecting rod are respectively by the upper articulation of hinge pin and described left and right door cutter on hinge pin and second on first, described upper connecting rod is provided with an outwardly directed hook arm near midway location, arranges a downward opening hook groove at the end of described hook arm;
One by the latch hook arm on the hinged described pedestal of lock hook shaft, and the outer end of described latch hook arm is provided with one and hooks lock hook in described lock, and the on-off plug in described control group to be arranged on described latch hook arm and position between described latch hook and lock hook shaft; When the latch hook on described latch hook arm hooks on described lock, described on-off plug inserts in described switch plug; On the position between the lock hook shaft and latch hook of described latch hook arm, axle is provided with a roller, and is provided with one in order to limit the position-limited trough of latch hook arm swing angle in the inner of described latch hook arm;
One is arranged on the latch hook arm swing angle limit pin on described pedestal, described latch hook arm swing angle limit pin is included in the position-limited trough on described latch hook arm, coordinates by described latch hook arm swing angle limit pin and described position-limited trough the pendulum angle jointly limiting described latch hook arm;
One two ends are connected to the latch hook arm pull back spring on the spring hanger of described hill holder and described latch hook arm, and the point of connection of described latch hook arm pull back spring and described latch hook arm is positioned at the inner of described latch hook arm;
One is hinged on the rocking bar on described first on hinge pin, the midway location of described rocking bar is provided with one outwards and stretch out and drive the arc lock hook actuating arm that described latch hook arm lifts downwards, connecting rod drive spindle on one is provided with in the lower end of described rocking bar, described upper connecting rod drive spindle inserts in the hook groove of the hook arm end of described upper connecting rod, and the hook groove of described upper connecting rod drive spindle and described hook arm end cooperatively interacts and drives described upper connecting rod swing; The upper end of described rocking bar is provided with pull bar, and this pull bar is connected with the output shaft of door machine motor by a rotating band; Described rocking bar also arranges a rod, and described rod is on described pull bar and first between hinge pin;
One rocking bar retracing spring, one end of described rocking bar retracing spring is connected on described pedestal, and the other end is connected on described rocking bar, and the point of connection of described rocking bar retracing spring and described rocking bar is in described rod and first between hinge pin.
In a preferred embodiment of the present utility model, offer one when closing at left and right door cutter in the bottom of described right door cutter, the lower shaft embedded for described lower support axle holds breach.
In a preferred embodiment of the present utility model, offer one when closing at left and right door cutter on the top of described right door cutter, the upper axle embedded for described upper pivot shaft holds breach.
Owing to have employed technical scheme as above, the utility model, compared with existing car door lock door lock device, has following advantage:
1. this car door lock door lock device is that a kind of being convenient to is installed, used and have the utility model device of higher economic benefit, and it is by wide, high impact of opening the door of opening the door, highly versatile, applied range.
2. car door lock different from the past, the utility model is by the set of car door lock function in gate door cutter, hits bow without the need to all arranging a unblock at every layer, to setting accuracy also no requirement (NR), decreases installation and debugging man-hours.
3. by the set of car door lock function in gate door cutter, to unblank convenient and reliable, and by force substituting, directly can replace common gate door cutter, can more easily to finished product or on-the-spotly add car door lock function.
4. institute's available energy of this cage door locking apparatus meets the clause of the relevant car door lock in GB7588-2003 " elevator manufacture and installation safety standard ".
Accompanying drawing explanation
Fig. 1 is the utility model elevator cage door door lock door lock device is having electricity and under normal condition, car rests on floor door and to unblank the view in district.
Fig. 2 be the utility model elevator cage door door lock door lock device when dead electricity, door cutter does not complete the schematic diagram under everything state.
Fig. 3 be the utility model elevator cage door door lock door lock device when dead electricity, car rests on floor door and to unblank district's (or during normal switch door) view.
Fig. 4 be the utility model elevator cage door door lock door lock device when dead electricity, car rests on non-floor door and to unblank the view in district.
Fig. 5 is the view in the process that opens or closes of the utility model elevator cage door door lock door lock device motor driving gate and layer door.
Detailed description of the invention
The utility model is further described below in conjunction with the drawings and specific embodiments.
See Fig. 1 to Fig. 5, the elevator cage door door lock door lock device provided in figure; Comprise a pedestal 200 be arranged on the overhang-door device 100 of car, be provided with arcuate socket 210, to abdicate the position of upper hinge pin 542 activity in center-left position, pedestal 200 top.
One lock 310 is installed on the right side of pedestal 200, lock 310 is provided with the switch plug 320 forming control group.Lock 310 is also provided with a hypotenuse support 330, there is on the left of hypotenuse support 330 hypotenuse 331.
A hill holder 800 is also hinged with at the right hand top of pedestal 200, hill holder 800 is provided with a roller 810 near one end axle of lock 310 and is provided with a spring hanger 840, be configured with one at the other end relative with the one end being provided with roller 810 and take breach 820, there is in the inner edge of hill holder 800 arc supplying rod 740 to be abutted against in addition and keep to the side 830.
Also be provided with push shaft support 340 in position to the left, pedestal 200 top, the upper end of upper push shaft support 340 arranges push shaft 341 on.
Connected by lower link 530 between the bottom of left and right door cutter 510,520, lower link 530 is hinged on the bottom of pedestal 200 by lower support axle 531, and lower link 530 can rotate around the axis of lower support axle 531.Connection mode between the two ends of lower link 530 and left and right door cutter 510,520 adopts lower hinge pin 532,533 and left and right door cutter 510,520 hinged respectively.Like this when left and right door cutter 510,520 opening and closing, lower link 530 can be followed left and right door cutter 510,520 around the axis of lower support axle 531 and be rotated.
The upper connecting rod 540 of left and right door cutter 510,520 opening and closing is driven also to be hinged on the top of pedestal 200 by upper pivot shaft 541, its two ends, respectively by the upper articulation of upper hinge pin 542,543 and left and right door cutter 510,520, are wherein gone up hinge pin 542 and are inserted in the arcuate socket 210 of pedestal 200.
Upper connecting rod 540 is provided with an outwardly directed hook arm 544 near midway location, arranges a downward opening hook groove 544a at the end of hook arm 544.
In order to can make left and right door cutter 510,520 when closed between distance reduce further, offer axle in the upper and lower at right door cutter 520 respectively and hold breach 521 and lower shaft accommodation breach 522, when left and right door cutter 510,520 is closed, the upper axle that upper pivot shaft 541 and lower support axle 531 embed respectively holds breach 521 and lower shaft holds in breach 522.
Latch hook arm 600 in elevator cage door door lock door lock device is hinged on pedestal 200 top by lock hook shaft 610, the outer end of latch hook arm 600 is provided with a lock hook 620, and the on-off plug 630 formed in control group to be arranged on latch hook arm 600 and position between latch hook 620 and lock hook shaft 610.When the latch hook 620 on latch hook arm 600 hooks on lock 310, on-off plug 630 inserts in switch plug 320.Axle is gone back in position between the lock hook shaft 610 and on-off plug 630 of latch hook arm 600 and is provided with a roller 640, and the inner of latch hook arm 600 is provided with a position-limited trough 650.
Pedestal 200 is fixed with a latch hook arm swing angle limit pin 651, and this latch hook arm swing angle limit pin 651 is included in the position-limited trough 650 on latch hook arm 600, in order to limit the pendulum angle of latch hook arm 600.
Be connected with a latch hook arm pull back spring 660 between the spring hanger 840 of latch hook arm 600 and hill holder 800, latch hook arm pull back spring 660 is positioned at the inner of latch hook arm 600 with the point of connection of latch hook arm 600.
The feature of whole elevator cage door door lock door lock device is also to comprise a rocking bar 700, and this rocking bar 700 is hinged on hinge pin 542, is provided with one outwards and the arc lock hook actuating arm 710 stretched out downwards at the midway location of rocking bar 700.Rocking bar 700 around in the centre of gration B left-hand revolution process that formed of the axle center of hinge pin 542, its arc lock hook actuating arm 710 is contacted with roller 640 and the rear end of latch hook arm 600 can be lifted by roller 640, make the latch hook 620 of latch hook arm 600 rear end depart from lock 310, make on-off plug 630 extract from switch plug 320 simultaneously.And when rocking bar 700 forms centre of gration A rotation together with upper connecting rod 540 around the axle center of upper pivot shaft 541, its arc lock hook actuating arm 710 can not contact with roller 640, makes the rear end of latch hook arm 600 lift and unlock.
Connecting rod drive rocker 720 on one is provided with in the lower end of rocking bar 700, when rocking bar 700 swings back and forth, the upper connecting rod drive spindle 720 of its lower end can force connecting rod 540 to swing around centre of gration A by the track hooked in groove 544a, drives the opening and closing of left and right door cutter 510,520.
The upper end of rocking bar 700 is provided with pull bar 730, and this pull bar 730 is connected with the output shaft of door machine motor by a rotating band 731.Such door machine motor, under the door state of pass, tightly holds pull bar 730 by rotating band 731.On rocking bar 700, also arrange a rod 740 in addition, rod 740 is between pull bar 730 and upper hinge pin 542.In order to when normal door, rocking bar 700 can swing left, between rocking bar 700 and the hook (place not shown in the figures) of pedestal 200 high order end, be connected with a rocking bar retracing spring 750, the point of connection of rocking bar retracing spring 750 and rocking bar 700 is between rod 740 and upper hinge pin 542.
By the principle of work of novel elevator car door lock door lock device be:
1) civil power is had, when the normal and car of system is in and unblanks district
As shown in Figure 1, by rotating band 731, the confining force be applied on the pull bar 730 at rocking bar 700 top overcomes the pulling force of rocking bar retracing spring 750 to door machine motor, the upper end of rocking bar 700 is swung to the right put in place, the lower end of rocking bar 700 swings to the left and puts in place simultaneously, now, the upper connecting rod drive spindle 720 of rocking bar 700 lower end is positioned at the hook groove 544a high order end of hook arm 544 end of connecting rod 540, upwards lift hook arm 544, connecting rod 540 is put in place along indicators turn, drive left, right door cutter 510, 520 close, leave the roller 640 on latch hook arm 600 due to the arc lock hook actuating arm 710 on rocking bar 700 simultaneously, lose the control to latch hook arm 600.There is cw upset and put in place in latch hook arm 600, when the latch hook 620 on latch hook arm 600 hooks on lock 310, on-off plug 630 inserts in switch plug 320 under the drive of latch hook arm pull back spring 660.Now gate cannot be pushed aside, and layer reveal also cannot unlock back pullout (BPO) by triangular key, now can open the door by door open button or hall buttons.
2) when without civil power, when car is in and unblanks district
As shown in Figures 2 and 3, when having a power failure, if when car is in and unblanks district, now door machine motor dead electricity, rotating band 731 loses the confining force on the pull bar 730 being applied to rocking bar 700 top, under the pulling force effect of rocking bar retracing spring 750, rocking bar 700 rotates around centre of gration A together with upper connecting rod 540, the upper end of rocking bar 700 is rocked in the process of the state of Fig. 2 left by the state of Fig. 1, arc lock hook actuating arm 710 on rocking bar 700 can not come in contact with the roller 640 on latch hook arm 600, latch hook arm 600 still keeps Fig. 1 state, when latch hook 620 on latch hook arm 600 hooks on lock 310, on-off plug 630 inserts in switch plug 320, can not occur to unlock phenomenon.
When rocking bar 700 rotates to state shown in Fig. 2 around centre of gration A together with upper connecting rod 540, because of the effect of left and right croquet 411,412, limit left and right door cutter 510,520 and continue to open, now going up connecting rod 540 cannot be rotated further.And rocking bar 700 rotates around centre of gration B under the pulling force effect of rocking bar retracing spring 750, arc lock hook actuating arm 710 on rocking bar 700 contacts with the roller 640 on latch hook arm 600 and drives latch hook arm 600 to rotate counterclockwise around lock hook shaft 610 by roller 640, latch hook arm 600 outer end is upwards lifted, when latch hook 620 on latch hook arm 600 departs from lock 310, on-off plug 630 extracts switch plug 320(see Fig. 3).When the upper end of rocking bar 700 is continued after swinging direct to rocking bar to the left encounters upper push shaft 341, the upper connecting rod drive spindle 720 of rocking bar 700 lower end moves to the hook groove 544a low order end of hook arm 544 end of connecting rod 540, now layer reveal and gate side unlock all, and both sides all can be taken off door and save oneself.
3) have civil power and the normal but car of system be in non-unblank district time
As shown in Figure 1, due to the latch hook 620 on latch hook arm 600 hook on lock 310 time, on-off plug 630 inserts in switch plug 320.Now gate to push aside.
4) without civil power and car rest on non-unblank district time
As shown in Figure 4, when having a power failure, if car is in district of unblanking, although now door machine motor dead electricity, rotating band 731 loses the confining force on the pull bar 730 being applied to rocking bar 700 top, under the pulling force effect of rocking bar retracing spring 750, the upper end of rocking bar 700 swings to the left, rocking bar 700 rotates around centre of gration A together with upper connecting rod 540, the upper end of rocking bar 700 to the left swinging direct to encountering upper push shaft 341, in this process, arc lock hook actuating arm 710 on rocking bar 700 can not come in contact with the roller 640 on latch hook arm 600, latch hook arm 600 still keeps Fig. 1 state, when latch hook 620 on latch hook arm 600 hooks on lock 310, on-off plug 630 inserts in switch plug 320, can not occur to unlock phenomenon, therefore cannot gate be pushed aside.
Now can only adopt the modes such as hand turning, car is moved to flat bed and unblank in district, state of the system becomes Fig. 3 by Fig. 4, and cage side and layer reveal all can unlock, and directly pushs a side door aside and drives another side door to open and rescue.
5) (civil power is had) during the system failure
Car rest on non-unblank district time, no matter whether door machine motor has confining force, and the latch hook 620 now on latch hook arm 600 still hooks on lock 310, and on-off plug 630 inserts in switch plug 320, therefore cannot push gate aside;
When car rest on unblank district time, judged by formula, during the system failure, MPU no longer assigns the instruction of closing the door of confining force, and at this moment layer reveal and gate side unlock all, and both sides all can be taken off rescue or save oneself.
See Fig. 5, when in door machine motor driving gate and layer door opening procedure, because hypotenuse support 330 is mounted on lock 310, actionless, and hill holder 800 can follow pedestal 200 together to the direction motion that door is opened, therefore the roller 810 on hill holder 800 can leave hypotenuse support 330, under the pulling force effect of latch hook arm pull back spring 660, after the restriction losing hypotenuse support 330, hill holder 800 can overturn around the center-point that itself and pedestal 200 are hinged, make to be provided with the one end of taking breach 820 can move downward, and one end that axle is provided with roller 810 can be lifted, thus rod 740 is dropped on take in breach 820.Owing to receiving the spacing of upper push shaft 341 on the left of rocking bar 700, right side receives takes the spacing of breach 820, and when door machine motor is driven in the process of pull bar 730 switch gate by rotating band, gate and layer door there will not be the phenomenon of shake.
Claims (2)
1. elevator cage door door lock door lock device, comprises the pedestal be arranged on car overhang-door device, it is characterized in that, also comprise:
One lock, described lock is arranged on a machine substrate;
One control group, described control group comprises a switch plug and on-off plug, and described switch plug is arranged on described lock;
Be arranged on the hypotenuse support on described lock, described hypotenuse support has a hypotenuse;
One hill holder being hinged on top on the right side of described pedestal, described hill holder is provided with a roller near one end axle of described hypotenuse support and arranges a spring hanger, the other end relative with the one end being provided with roller is configured with one and takes breach, and the inner edge of described hill holder has an arc supplying rod to be abutted against and keeps to the side; Described arc keeps to the side and an angle between spring hanger;
Be arranged on the upper push shaft support in described pedestal left side top, the upper end of described upper push shaft support arranges push shaft on;
Left and right door cutter, when described left and right door heel with cage operation to unblank district time, left and right door cutter spacing, between described left and right croquet, relies on left and right croquet to limit the described left and right door cutter position of opening;
One is hinged on the lower link on described pedestal pivotally by lower support axle, and the two ends of wherein said lower link are respectively by the lower hinge of first time hinge pin and second time hinge pin and described left and right door cutter;
One to be hinged on the upper connecting rod on described pedestal pivotally by upper pivot shaft, the two ends of described upper connecting rod are respectively by the upper articulation of hinge pin and described left and right door cutter on hinge pin and second on first, described upper connecting rod is provided with an outwardly directed hook arm near midway location, arranges a downward opening hook groove at the end of described hook arm;
One by the latch hook arm on the hinged described pedestal of lock hook shaft, and the outer end of described latch hook arm is provided with one and hooks lock hook in described lock, and the on-off plug in described control group to be arranged on described latch hook arm and position between described latch hook and lock hook shaft; When the latch hook on described latch hook arm hooks on described lock, described on-off plug inserts in described switch plug; On the position between the lock hook shaft and latch hook of described latch hook arm, axle is provided with a roller, and is provided with one in order to limit the position-limited trough of latch hook arm swing angle in the inner of described latch hook arm;
One is arranged on the latch hook arm swing angle limit pin on described pedestal, described latch hook arm swing angle limit pin is included in the position-limited trough on described latch hook arm, coordinates by described latch hook arm swing angle limit pin and described position-limited trough the pendulum angle jointly limiting described latch hook arm;
One two ends are connected to the latch hook arm pull back spring on the spring hanger of described hill holder and described latch hook arm, and the point of connection of described latch hook arm pull back spring and described latch hook arm is positioned at the inner of described latch hook arm;
One is hinged on the rocking bar on described first on hinge pin, the midway location of described rocking bar is provided with one outwards and stretch out and drive the arc lock hook actuating arm that described latch hook arm lifts downwards, connecting rod drive spindle on one is provided with in the lower end of described rocking bar, described upper connecting rod drive spindle inserts in the hook groove of the hook arm end of described upper connecting rod, and the hook groove of described upper connecting rod drive spindle and described hook arm end cooperatively interacts and drives described upper connecting rod swing; The upper end of described rocking bar is provided with pull bar, and this pull bar is connected with the output shaft of door machine motor by a rotating band; Described rocking bar also arranges a rod, and rod is on described pull bar and first between hinge pin;
One rocking bar retracing spring, one end of described rocking bar retracing spring is connected on described pedestal, and the other end is connected on described rocking bar, and the point of connection of described rocking bar retracing spring and described rocking bar is in described rod and first between hinge pin.
2. elevator cage door door lock door lock device as claimed in claim 1; It is characterized in that, offer one when closing at left and right door cutter in the bottom of described right door cutter, the lower shaft embedded for described lower support axle holds breach; Offer one on the top of described right door cutter when closing at left and right door cutter, the upper axle embedded for described upper pivot shaft holds breach.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420184523.1U CN204211321U (en) | 2014-04-16 | 2014-04-16 | Car door lock door lock device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420184523.1U CN204211321U (en) | 2014-04-16 | 2014-04-16 | Car door lock door lock device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204211321U true CN204211321U (en) | 2015-03-18 |
Family
ID=52980013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420184523.1U Withdrawn - After Issue CN204211321U (en) | 2014-04-16 | 2014-04-16 | Car door lock door lock device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204211321U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103950814A (en) * | 2014-04-16 | 2014-07-30 | 永大电梯设备（中国）有限公司 | Car door lock coupler device |
| CN105731229A (en) * | 2016-04-29 | 2016-07-06 | 展鹏科技股份有限公司 | Integrated car door lock and door knife device |
| CN105947852A (en) * | 2016-06-30 | 2016-09-21 | 上海贝思特门机有限公司 | Door locking knife for preventing forced opening of elevator car door |
| CN110002326A (en) * | 2019-02-20 | 2019-07-12 | 日立电梯（中国）有限公司 | Gate lock uint and elevator |
-
2014
- 2014-04-16 CN CN201420184523.1U patent/CN204211321U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103950814A (en) * | 2014-04-16 | 2014-07-30 | 永大电梯设备（中国）有限公司 | Car door lock coupler device |
| CN105731229A (en) * | 2016-04-29 | 2016-07-06 | 展鹏科技股份有限公司 | Integrated car door lock and door knife device |
| CN105947852A (en) * | 2016-06-30 | 2016-09-21 | 上海贝思特门机有限公司 | Door locking knife for preventing forced opening of elevator car door |
| CN105947852B (en) * | 2016-06-30 | 2017-10-20 | 上海贝思特门机有限公司 | A kind of elevator is anti-to be taken off gate and locks a door knife |
| CN110002326A (en) * | 2019-02-20 | 2019-07-12 | 日立电梯（中国）有限公司 | Gate lock uint and elevator |
| CN110002326B (en) * | 2019-02-20 | 2021-04-02 | 日立电梯（中国）有限公司 | Car door locking device and elevator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150318 Effective date of abandoning: 20160302 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |