CN111332921A - Novel elevator door lock device - Google Patents
Novel elevator door lock device Download PDFInfo
- Publication number
- CN111332921A CN111332921A CN202010149360.3A CN202010149360A CN111332921A CN 111332921 A CN111332921 A CN 111332921A CN 202010149360 A CN202010149360 A CN 202010149360A CN 111332921 A CN111332921 A CN 111332921A
- Authority
- CN
- China
- Prior art keywords
- door lock
- protection box
- contact
- novel elevator
- elevator door
- 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.)
- Pending
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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
- B66B13/16—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position
- B66B13/18—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position without manually-operable devices for completing locking or unlocking of doors
- B66B13/185—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position without manually-operable devices for completing locking or unlocking of doors electrical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/14—Control systems or devices
- B66B13/16—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position
- B66B13/18—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position without manually-operable devices for completing locking or unlocking of doors
- B66B13/20—Lock mechanisms actuated mechanically by abutments or projections on the cages
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Elevator Door Apparatuses (AREA)
Abstract
The invention discloses a novel elevator door lock device, which comprises: a latch hook mechanism; the door lock contact is arranged on the latch hook mechanism; a lock seat mechanism; a door lock switch arranged on the lock seat mechanism; the protection box is rectangular, the door lock switch is detachably arranged in the protection box, and the protection box is provided with a first accommodating opening for accommodating the door lock contact; the protection box is provided with an installation opening and a cover body, the protection box is detachably connected with one side wall of the insulating base, the cover body is detachably connected with the other side wall of the insulating base, the door lock switch comprises the insulating base, a first metal sheet and a second metal sheet, and a first metal contact strip is arranged at the tail end of the first metal sheet along the width direction of the first metal sheet. Through the mode, the two strip-shaped metal contact strips are arranged at the tail end of the metal sheet of the door lock switch of the novel elevator door lock device at intervals, so that the connection with the door lock contact is increased, the durability is high, the connection with the door lock contact is stable, and the user experience is greatly improved.
Description
Technical Field
The invention relates to the technical field of elevators, in particular to a novel elevator door lock device.
Background
The elevator can run in one step only after the landing door and the car door are determined to be completely closed, and in order to ensure safety, double protection, mechanical protection and electrical protection are required to be provided for closing the door. The electric protection is that the door signal is used as a contact signal, and the contact of the door lock contact and the door lock switch forms the contact signal. When the door is closed, the contact signal is a normally closed point, and at the moment, the door lock contact is pressed on the contact of the door lock switch. When the door is opened or not closed, the contact signal is a normally open point, the door lock contact does not contact with the door lock switch at the moment to form a normally open contact, and the elevator does not allow any action at the normally open point.
Generally, the door lock contact is fixed to the latch hook mechanism, and the latch hook mechanism controls the door lock contact to rotate and connect to the door lock switch when the door is closed. The door lock switch is mainly connected with the door lock contact by virtue of the metal sheet, however, the connection between the metal sheet and the door lock contact of the traditional door lock switch on the market is unstable and not durable, and the user experience is greatly reduced.
Disclosure of Invention
The invention mainly solves the technical problem of providing a novel elevator door lock device, wherein two strip-shaped metal contact strips are arranged at the tail end of a metal sheet of a door lock switch at intervals so as to increase the connection with a door lock contact, the durability is strong, the connection with the door lock contact is stable, and the user experience is greatly improved.
In order to solve the technical problems, the invention adopts a technical scheme that: the utility model provides a novel elevator door lock device, be in including latch hook mechanism, setting lock contact, lock seat mechanism and setting in on the latch hook mechanism are in lock switch in the lock seat mechanism, it still includes: the protection box is rectangular and is arranged on the lock seat mechanism, the door lock switch is detachably arranged in the protection box, and the protection box is provided with a first accommodating opening for accommodating the door lock contact; wherein, the lock switch is including setting up last insulator foot of lock seat mechanism and setting are in first sheetmetal and the second sheetmetal on the insulator foot, the protection box is equipped with the installing opening and is used for setting up the lid on the installing opening, the protection box with the connection can be dismantled to insulator foot's a lateral wall, the lid with the connection can be dismantled to another lateral wall of insulator foot, just the end of first sheetmetal is provided with along its width direction and is rectangular form first metal contact strip.
Furthermore, a second metal contact strip which is in a long strip shape is arranged at the tail end of the second metal sheet along the width direction of the second metal sheet
Further, a lateral wall of the insulating base is provided with a first strip-shaped sliding block along the vertical direction, the protection box is far away from the bottom of a lateral wall of the cover plate is provided with a first strip-shaped clamping groove used for accommodating the first strip-shaped sliding block, wherein the bottom of the protection box is provided with an accommodating opening communicated with the first strip-shaped clamping groove and the second accommodating opening.
Further, another lateral wall of insulator foot is provided with the rectangular slider of second along the horizontal direction, the apron is equipped with and is used for acceping the fluting of acceping of the rectangular slider of second and is used for the card to put the rectangular draw-in groove of second of the rectangular slider of second, wherein accede the fluting with the rectangular draw-in groove intercommunication of second.
Further, the first receiving opening is rectangular, wherein the width of the first receiving opening is 10-12 cm.
Further, the lock contact including be used for with the first connecting block that the first metal of first sheetmetal contacts strip and second metal and contacts the strip and be used for with the second connecting block that the third metal of second sheetmetal contacts strip and fourth metal and contacts the strip and connect, wherein first connecting block with the second connecting block is the echelonment setting, just the surface of first connecting block is equipped with first conducting layer, the surface of second connecting block be equipped with the second conducting layer that first conducting layer is connected.
Furthermore, the latch hook mechanism is provided with a clamping plate which is used for being connected with the lock seat mechanism, wherein the bottom of the clamping plate extends to form a first extending part, the door lock contact is arranged on the first extending part, the door lock contact is parallel to the hook part of the latch hook mechanism, the door lock contact is arranged in the protection box, and the hook part is arranged outside the protection box.
Further, the latch hook mechanism is provided with a second extension part above the first extension part, wherein a spring is arranged between the second extension part and the first extension part, and the length of the spring in a normal state is greater than the distance between the first extension part and the second extension part.
Furthermore, the protection box is made of high-strength opaque materials, the cover body is made of transparent materials, and the cover body are both provided with grooves or rectangular holes and are fixedly connected with an I-shaped clamping groove arranged on the door lock switch in a buckling mode.
The invention has the beneficial effects that: different from the prior art, the novel elevator door lock device disclosed by the invention comprises: a latch hook mechanism; the door lock contact is arranged on the latch hook mechanism; a lock seat mechanism; a door lock switch arranged on the lock seat mechanism; the protection box is rectangular and is arranged on the lock seat mechanism, the door lock switch is detachably arranged in the protection box, and the protection box is provided with a first accommodating opening for accommodating the door lock contact; the door lock switch comprises an insulating base arranged on the lock seat mechanism, and a first metal sheet and a second metal sheet which are arranged on the insulating base, wherein the protection box is provided with an installation opening and a cover body arranged on the installation opening, the protection box is detachably connected with one side wall of the insulating base, the cover body is detachably connected with the other side wall of the insulating base, and the tail end of the first metal sheet is provided with a first metal contact strip which is in a long strip shape along the width direction of the tail end of the first metal sheet. Through the mode, the tail ends of the metal sheets of the door lock switch of the novel elevator door lock device are provided with the strip-shaped metal contact strips at intervals so as to increase the connection with the door lock contact, the durability is high, the connection with the door lock contact is stable, and the user experience is greatly improved.
Drawings
Fig. 1 is a first structural schematic view of a novel elevator door lock device of the present invention;
fig. 2 is a second structural schematic view of the novel elevator door lock device of the present invention;
fig. 3 is a first partial schematic view of the novel elevator door lock apparatus of the present invention;
fig. 4 is a second partial structural view of the novel elevator door lock device of the present invention;
fig. 5 is a first structural view of the protective case of the novel elevator door lock device of the present invention;
fig. 6 is a second structural view of the protective case of the novel elevator door lock device of the present invention;
fig. 7 is a schematic structural view of a first embodiment of a metal sheet of the novel elevator door lock device of the present invention;
fig. 8 is a schematic structural view of a second embodiment of a metal sheet of the novel elevator door lock device of the present invention.
Detailed Description
Referring to fig. 1 to 8, the novel elevator door lock device includes a latch hook mechanism 10, a door lock contact 11 disposed on the latch hook mechanism 10, a latch seat mechanism 12, a door lock switch 13 disposed on the latch seat mechanism 12, and a protection box 14.
The protective pocket 14 is rectangular in shape, wherein the protective pocket 14 is disposed on the latch mechanism 12.
In the present embodiment, the door lock switch 13 is detachably provided in the protective box 14.
In the present embodiment, the door lock switch 13 includes an insulating base 131 provided on the housing lock mechanism 12, and a first metal piece 132 and a second metal piece 133 provided on the insulating base 131.
Further, the end of the first metal sheet 132 is provided with a first metal contact strip 1321 in an elongated shape along the width direction w, and the end of the second metal sheet 133 is provided with a second metal contact strip 1331 in an elongated shape along the width direction w.
In the present embodiment, the protection box 14 is provided with a mounting opening 142 and a cover 143 for being disposed on the mounting opening 142. It should be appreciated that the mounting opening 142 is relatively large, enabling maintenance and replacement of parts for the door lock switch 131 from the mounting opening 142.
In this embodiment, the protection box 14 is detachably connected to one side wall of the insulating base 131, and the cover 143 is detachably connected to the other side wall of the insulating base 131.
Specifically, a first elongated slider 1311 is disposed on one side wall of the insulating base 131 along the vertical direction, and a first elongated slot 144 for receiving the first elongated slider 1311 is disposed at the bottom of one side wall of the protection box 14 away from the cover plate 143.
Preferably, the bottom of the protective case 14 is provided with a second receiving opening 145 communicating with the first elongated slot 144. It should be understood that the insulating base 131 is fixed on the lock seat mechanism 12, therefore when the insulating base 131 is fixed on the lock seat mechanism 12, the protection box 14 can be sleeved outside the insulating base 131 through the second accommodating opening 145, and meanwhile, the first strip slot 144 can block the first strip sliding block 1311, so that the protection box 14 cannot be conveniently moved horizontally, so that the protection box 14 can be quickly installed on the insulating base 131, and of course, when the protection box 14 needs to be detached, the protection box 14 is directly taken out from the insulating base 131 in the vertical direction, so that quick detachment is realized.
It should be noted that, after the protection box 14 is sleeved on the insulating base 131, the protection box 14 can be connected to the lock seat mechanism 12 by means of adhesion or screws. Further, the width of the insulating base 131 is smaller than the width of the inner cavity of the protection box 14, and the length and the width of the second receiving opening 145 are both larger than the length and the width of the insulating base 131.
Preferably, two sides of the first elongated slider 1311 are disposed in a step shape, and two sides of the first elongated slot 144 of the protection box 14 are also disposed in a step shape, that is, two sides of the first elongated slider 1311 and two sides of the first elongated slot 144 are corresponding to each other, so that the first elongated slider 1311 can be clamped in the first elongated slot 144. It should be understood that the first elongated block 1311 is elongated and has two side edges along the length direction of the first elongated block 1311 stepped.
Further, a second long slider 1312 is disposed on the other side wall of the insulating base 131 along the horizontal direction, the cover plate 143 is provided with an accommodating slot 1431 for accommodating the second long slider 1312 and a second long card slot 1432 for clamping the second long slider 1312, wherein the accommodating slot 1431 is communicated with the second long card slot 1432, and the accommodating slot 1431 and the second long card slot 1432 are disposed along the same straight line.
Preferably, two sides of the second long slider 1312 are disposed in a step shape, and two sides of the second long slot 1432 of the protection box 14 are also disposed in a step shape, that is, two sides of the second long slider 1312 and two sides of the second long slot 1432 are corresponding to each other, so that the second long slider 1312 can be clamped in the second long slot 1432. It should be understood that the second elongated slider 1312 is elongated and stepped along two sides of the second elongated slider 1312 in the length direction.
It should be understood that when the cover plate 143 needs to be detachably disposed on the insulating base 131, the second elongated slider 1312 penetrates through the receiving slot 1431, and the cover plate 143 is moved in the horizontal direction so that the second elongated slider 1312 is clamped in the second elongated slot 1432, at this time, the cover plate 143 is clamped on the insulating base 131, and when the cover plate 143 needs to be removed, the cover plate 143 is directly moved in the horizontal direction so that the second elongated slider 1312 is moved from the second elongated slot 1432 to the receiving slot 1431, at this time, the cover plate 143 can be removed.
In this embodiment, the protection box 14 is made of a high-strength opaque material, wherein the cover 143 is made of a transparent material, both of which have slots or rectangular holes, and are fixed to the i-shaped slots provided on the door lock switch by means of a snap, so that the condition of the door lock switch 13 can be viewed through the cover 143. It should be understood that one side wall of the protection box 14 away from the cover 143 faces the elevator door, and since the cover 143 is detachably connected to the other side wall of the insulating base 131, when the door lock switch 13 needs to be repaired or replaced, the cover 143 can be directly detached to repair or replace the door lock switch 131 from the installation opening 142.
In the present embodiment, the protective box 14 is provided with the first housing opening 141 for housing the door lock contact 11, so that the door lock contact 11 can be connected or disconnected to or from the door lock switch 13 within the protective box 14 through the first housing opening 141.
In the present embodiment, the first receiving opening 141 is rectangular, and the width of the first receiving opening 141 is 10-12 cm. Preferably, the width of the first receiving opening 141 is 11 cm.
In this embodiment, the door lock contact 11 includes a first connection block for connecting with the first metal contact strip 1321 of the first metal sheet 132 and a second connection block for connecting with the second metal contact strip 1331 of the second metal sheet 133, where the first connection block and the second connection block are arranged in a step shape, a surface of the first connection block is provided with a first conductive layer, and a surface of the second connection block is provided with a second conductive layer connected with the first conductive layer.
It will be appreciated that the top surface of the first metal contact strip 1321 is adapted to interface with a door latch contact and the top surface of the second metal contact strip 1331 is adapted to interface with a door latch contact. That is, the top surface of the first metal contact strip 1321 is for connecting with the first conductive layer of the first connection block, and the top surface of the second metal contact strip 1331 is for connecting with the second conductive layer of the second connection block.
It should be understood that the insulating base 131 is also provided in a stepped shape, and specifically, the insulating base 131 includes a first insulator a, a second insulator b provided at one side of the first insulator a, and a third insulator c provided at one side of the second insulator b, the first insulator a, the second insulator b, and the third insulator c being provided in a stepped shape, wherein a top surface of the first insulator a is located at a higher level than a top surface of the second insulator b, the top surface of the second insulator b is located at a higher level than a top surface of the third insulator c, and a front end of the first metal piece 132 is provided at the top surface of the first insulator a, and the second metal piece 133 is provided at the top surface of the second insulator b. Further, the top surface of the second insulator b is provided with a first support spring for supporting the first metal sheet 132, the top surface of the third insulator c is provided with a second support spring for supporting the second metal sheet 133, i.e., the first support spring is disposed between the first metal sheet 132 and the top surface of the second insulator b, the second support spring is disposed between the second metal sheet 133 and the top surface of the third insulator c, and the length of the first support spring in a normal state is greater than the distance between the first metal sheet 132 and the top surface of the second insulator b, so that the first metal contact bar and the second metal contact bar of the first metal sheet 132 are pressed against the first conductive layer of the first connection block by the first support spring, and the length of the second support spring in a normal state is greater than the distance between the second metal sheet 133 and the top surface of the third insulator c, so that the third metal contact bar and the fourth metal contact bar of the second metal sheet are pressed against the first conductive layer of the second connection block by the second support spring On the second conducting layer to increase the sheetmetal and be connected with the lock contact, the durability is strong, makes to be connected stably with the lock contact, has promoted user's experience greatly.
Further, the latch hook mechanism 10 is provided with a clamping plate 101 for connecting with the latch seat mechanism 10, wherein a first extending portion 102 extends from the bottom of the clamping plate 101, the door lock contact 11 is arranged on the first extending portion 102, and the door lock contact is parallel to the hook portion of the latch hook mechanism, the door lock contact is arranged in the protection box, and the hook portion is arranged outside the protection box.
Further, the latch hook mechanism 10 is provided with a second extension 103 above the first extension 102, wherein a spring 104 is provided between the second extension 103 and the first extension 102. Preferably, the length of the spring 104 in the normal state is greater than the distance between the first extension 102 and the second extension 103.
Further, in other embodiments, a plurality of first metal contact points 2321 in a shape of a long strip are disposed at intervals along the width direction w at the end of the first metal sheet 132, and a plurality of second metal contact points 2331 in a shape of a long strip are disposed at intervals along the width direction w at the end of the second metal sheet 133 (as shown in fig. 8), so as to be connected to the first conductive layer of the first connection block through the plurality of first metal contact points 2321 and connected to the second conductive layer of the second connection block through the plurality of second metal contact points 2331.
In conclusion, the protection box and the door lock switch of the novel elevator door lock device disclosed by the invention are detachably arranged, and are convenient to install and detach, so that the door lock is easy to install in the protection box due to the open slot, and the work of workers is facilitated; simultaneously, the end interval of this novel elevator door lock device's lock switch's sheetmetal sets up and is rectangular form metal contact strip to increase being connected with the lock contact, the durability is strong, makes stably being connected with the lock contact, has promoted user's experience greatly.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. The utility model provides a novel elevator door lock device, is in including latch hook mechanism, setting lock contact, lock seat mechanism and setting in on the latch hook mechanism are in lock switch in the lock seat mechanism, its characterized in that still includes:
the protection box is rectangular and is arranged on the lock seat mechanism, the door lock switch is detachably arranged in the protection box, and the protection box is provided with a first accommodating opening for accommodating the door lock contact;
wherein, the lock switch is including setting up last insulator foot of lock seat mechanism and setting are in first sheetmetal and the second sheetmetal on the insulator foot, the protection box is equipped with the installing opening and is used for setting up the lid on the installing opening, the protection box with the connection can be dismantled to insulator foot's a lateral wall, the lid with the connection can be dismantled to another lateral wall of insulator foot, just the end of first sheetmetal is provided with along its width direction and is rectangular form first metal contact strip.
2. The novel elevator door lock device according to claim 1, wherein the distal end of the second metal piece is provided with a second metal contact strip having an elongated shape in the width direction thereof.
3. The novel elevator door lock device according to claim 2, wherein a first elongated slider is vertically disposed on a side wall of the insulating base, a first elongated slot for receiving the first elongated slider is disposed on a bottom of a side wall of the protection box away from the cover plate, and a second receiving opening is disposed on the bottom of the protection box and communicates with the first elongated slot.
4. The novel elevator door lock device according to claim 3, wherein a second elongated slider is horizontally disposed on the other side wall of the insulating base, and the cover plate has an accommodating slot for accommodating the second elongated slider and a second elongated slot for engaging the second elongated slider, wherein the accommodating slot is in communication with the second elongated slot.
5. The novel elevator door lock device of claim 4, wherein the first receiving opening is rectangular, and wherein the width of the first receiving opening is in the range of 10-12 cm.
6. The novel elevator door lock device according to claim 5, wherein the door lock contact comprises a first connection block for connecting with the first and second metal contact strips of the first metal sheet and a second connection block for connecting with the third and fourth metal contact strips of the second metal sheet, wherein the first and second connection blocks are arranged in a step shape, and a first conductive layer is provided on a surface of the first connection block and a second conductive layer is provided on a surface of the second connection block.
7. The novel elevator door lock device according to claim 6, wherein the latch hook mechanism is provided with a latch plate for connecting with the latch seat mechanism, wherein a first extension portion extends from a bottom of the latch plate, the door lock contact is disposed on the first extension portion, and the door lock contact is parallel to a hook portion of the latch hook mechanism, the door lock contact is disposed in the protection box, and the hook portion is disposed outside the protection box.
8. The novel elevator door lock device of claim 7, wherein the latch hook mechanism is provided with a second extension above the first extension, wherein a spring is provided between the second extension and the first extension, wherein the length of the spring in a normal state is greater than the distance between the first extension and the second extension.
9. The novel elevator door lock device according to claim 8, wherein the protection box is made of a high-strength opaque material, and the cover is made of a transparent material, and both of them have a slot or a rectangular hole and are fixed to an i-shaped slot provided on the door lock switch by means of a snap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010149360.3A CN111332921A (en) | 2020-03-03 | 2020-03-03 | Novel elevator door lock device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010149360.3A CN111332921A (en) | 2020-03-03 | 2020-03-03 | Novel elevator door lock device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111332921A true CN111332921A (en) | 2020-06-26 |
Family
ID=71178016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010149360.3A Pending CN111332921A (en) | 2020-03-03 | 2020-03-03 | Novel elevator door lock device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111332921A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0867478A (en) * | 1994-08-30 | 1996-03-12 | Mitsubishi Denki Bill Techno Service Kk | Platform door lock switch for elevator |
| CN101830384A (en) * | 2009-03-09 | 2010-09-15 | 东芝电梯株式会社 | The drop proof cage of elevator door switch |
| CN202440214U (en) * | 2012-02-08 | 2012-09-19 | 日立电梯（中国）有限公司 | Waterproof elevator gate lock structure |
| CN202717480U (en) * | 2012-05-30 | 2013-02-06 | 慈溪市宏峰电梯配件有限公司 | Fixed contact assembly for elevator door lock |
| JP2015034092A (en) * | 2013-08-09 | 2015-02-19 | 株式会社日立ビルシステム | Entrance door lock device for elevator |
| CN205932872U (en) * | 2016-06-28 | 2017-02-08 | 叶芬芳 | Elevator door lock gib head contact |
| JP2018095457A (en) * | 2016-12-16 | 2018-06-21 | 株式会社日立製作所 | Elevator apparatus |
| CN108883908A (en) * | 2016-04-15 | 2018-11-23 | 三菱电机株式会社 | The locking device and contact protective cover of stop door |
| CN110255343A (en) * | 2019-06-26 | 2019-09-20 | 日立电梯（中国）有限公司 | Elevator hall door lock device and shield |
-
2020
- 2020-03-03 CN CN202010149360.3A patent/CN111332921A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0867478A (en) * | 1994-08-30 | 1996-03-12 | Mitsubishi Denki Bill Techno Service Kk | Platform door lock switch for elevator |
| CN101830384A (en) * | 2009-03-09 | 2010-09-15 | 东芝电梯株式会社 | The drop proof cage of elevator door switch |
| CN202440214U (en) * | 2012-02-08 | 2012-09-19 | 日立电梯（中国）有限公司 | Waterproof elevator gate lock structure |
| CN202717480U (en) * | 2012-05-30 | 2013-02-06 | 慈溪市宏峰电梯配件有限公司 | Fixed contact assembly for elevator door lock |
| JP2015034092A (en) * | 2013-08-09 | 2015-02-19 | 株式会社日立ビルシステム | Entrance door lock device for elevator |
| CN108883908A (en) * | 2016-04-15 | 2018-11-23 | 三菱电机株式会社 | The locking device and contact protective cover of stop door |
| CN205932872U (en) * | 2016-06-28 | 2017-02-08 | 叶芬芳 | Elevator door lock gib head contact |
| JP2018095457A (en) * | 2016-12-16 | 2018-06-21 | 株式会社日立製作所 | Elevator apparatus |
| CN110255343A (en) * | 2019-06-26 | 2019-09-20 | 日立电梯（中国）有限公司 | Elevator hall door lock device and shield |
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Application publication date: 20200626 |