CN111634773B - Safety system for small door lock of elevator landing door frame - Google Patents
Safety system for small door lock of elevator landing door frame Download PDFInfo
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- CN111634773B CN111634773B CN201910157600.1A CN201910157600A CN111634773B CN 111634773 B CN111634773 B CN 111634773B CN 201910157600 A CN201910157600 A CN 201910157600A CN 111634773 B CN111634773 B CN 111634773B
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- door
- lock
- door frame
- landing door
- elevator
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- 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
- B66B5/0043—Devices enhancing safety during maintenance
- B66B5/005—Safety of maintenance personnel
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- 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
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Elevator Door Apparatuses (AREA)
Abstract
The invention discloses a safety system for a small door lock of a door frame of an elevator landing door, which comprises: the floor door panel is internally provided with a first unlocking mechanism; the landing door device is arranged above the landing door panel, a landing door lock is arranged in the landing door device, and the first unlocking mechanism is in locking fit with the landing door lock; layer door frame, layer door frame is located layer door panel's lateral wall, the activity is equipped with the door closure on the layer door frame, the inboard of door closure is equipped with second release mechanism, the door closure with layer door frame passes through second release mechanism locking cooperation, be equipped with the UNICOM ware on the second release mechanism, be equipped with electrical switch in the layer door frame, the UNICOM is used for switching on electrical switch's contact. The invention ensures that the elevator can not normally run all the time when the maintenance personnel are positioned in the hoistway, thereby ensuring the safety of the maintenance personnel.
Description
Technical Field
The invention relates to the technical field of elevator manufacturing, in particular to a safety system for a small door lock of a landing door frame of an elevator.
Background
With the increase of national economy and the development of the aging trend of the population in China and the improvement of the national attention on the national life, the domestic ladder is about to meet a large market. Compared with the traditional elevator, the additional elevator often meets the condition that the depth of a pit is very small or the height of a top floor is not enough, so that maintenance personnel cannot obtain enough danger avoiding space when the maintenance personnel are positioned in the pit.
Disclosure of Invention
Aiming at the problems that the existing elevator is additionally installed and the maintenance personnel cannot obtain enough danger avoiding space when being positioned in the well, the safety system for the small door lock of the door frame of the elevator landing door is provided, wherein the safety system for the small door lock of the door frame of the elevator landing door can effectively ensure that the maintenance personnel cannot normally operate when being positioned in the well.
The specific technical scheme is as follows:
an elevator landing door frame small door lock safety system, comprising: the floor door panel is internally provided with a first unlocking mechanism;
the landing door device is arranged above the landing door panel, a landing door lock is arranged in the landing door device, and the first unlocking mechanism is in locking fit with the landing door lock;
layer door frame, layer door frame is located layer door panel's lateral wall, the activity is equipped with the door closure on the layer door frame, the inboard of door closure is equipped with second release mechanism, the door closure with layer door frame passes through second release mechanism locking cooperation, be equipped with the UNICOM ware on the second release mechanism, be equipped with electrical switch in the layer door frame, the UNICOM is used for switching on electrical switch's contact.
The safety system for the small door lock of the door frame of the elevator landing door further comprises an electrical system, and the electrical switch is electrically connected with the electrical system.
The safety system for the small door lock of the elevator landing door frame comprises a first lock hook and a second lock hook, wherein the first lock hook is fixedly connected with the landing door device, the second lock hook is rotatably connected with the upper end of the landing door panel, the second lock hook is connected with the first unlocking mechanism, and the first lock hook is in locking fit with the second lock hook.
Foretell elevator layer door frame little lock safety coefficient, wherein, first release mechanism includes pull rod and gag lever post, the middle part of pull rod with the inboard rotation of layer door panel is connected, the one end of pull rod pass through wire rope with the second latch hook is connected, the other end of pull rod is located the inboard of door closure, the weight of the other end of pull rod is greater than the weight of the one end of pull rod, the gag lever post is located the inboard of layer door panel, the gag lever post is located the below of the other end of pull rod, the gag lever post with the spacing cooperation of the other end of pull rod.
According to the safety system for the small door lock of the elevator landing door frame, the first unlocking mechanism further comprises a rod piece, the rod piece is arranged on the second lock hook, one end of the steel wire rope is fixedly connected with the rod piece, and the other end of the steel wire rope is connected with one end of the pull rod.
The above-mentioned safety system of small door lock of elevator layer door frame, wherein, the second release mechanism includes:
the lock cylinder shell is fixedly connected with the door cover, and a first limiting plate and a second limiting plate are arranged on the lock cylinder shell;
one end of the lock core shaft extends into the lock core shell, and the lock core shaft is rotationally connected with the lock core shell;
the utility model provides a lock core shaft, unlocking lever with the other end fixed connection of lock core shaft, one side of one end of unlocking lever is equipped with the UNICOM ware, the opposite side of the one end of unlocking lever with the spacing cooperation of first limiting plate, the other end of unlocking lever with the spacing cooperation of second limiting plate, the middle part of unlocking lever is equipped with first stand.
Above-mentioned elevator layer door frame little lock safety coefficient, wherein, second release mechanism still includes: the spring, the middle part of unblock pole is equipped with first stand, the one end of spring with first stand fixed connection, the inboard of door closure is equipped with the second stand, the other end of spring with second stand fixed connection.
The above-mentioned safety system of small door lock of elevator layer door frame, wherein, the second release mechanism includes:
the lock cylinder shell is fixedly connected with the door cover, and a first limiting plate is arranged on the lock cylinder shell;
one end of the lock core shaft extends into the lock core shell, and the lock core shaft is rotationally connected with the lock core shell;
the unlocking rod, the unlocking rod with the other end fixed connection of lock core axle, one side of the one end of unlocking rod is equipped with the UNICOM ware, the opposite side of the one end of unlocking rod with the spacing cooperation in one side of first limiting plate, the other end of unlocking rod with the spacing cooperation in opposite side of first limiting plate.
According to the safety system for the small door lock of the elevator landing door frame, the door cover is rotatably connected with the landing door frame through the rotating shaft.
In the safety system for the small door lock of the elevator landing door frame, one end of the unlocking rod is in limit fit with the inner side of the landing door frame.
Foretell elevator layer door frame little lock safety coefficient, wherein, be equipped with the box body on the layer door frame, the box body is close to one of the outside of layer door frame is served the activity and is equipped with the door closure, second release mechanism is located in the box body, the one end of unblock pole with the box body is close to the inboard spacing cooperation of the one end of door closure, the box body is kept away from the one end of door closure is equipped with the slot hole, the other end of pull rod passes the slot hole just stretches into in the box body.
The safety system for the small door lock of the elevator landing door frame is characterized in that one end, far away from the door cover, of the box body is matched with the side wall of the box body to form avoiding holes, and the avoiding holes are communicated with the long holes.
The safety system for the small door lock of the elevator landing door frame is characterized in that the box body is arranged in a cuboid shape, the box body comprises a front panel, a sealing plate and four side panels, the front panel is arranged on the landing door frame, the outer side face of the front panel is flush with the outer side face of the landing door frame, one end of the unlocking rod is in limit fit with the inner side of the front panel, the door cover is movably arranged on the front panel, and the sealing plate is matched with one side panel to form the long hole.
According to the safety system for the small door lock of the elevator landing door frame, the door cover is rotatably connected with the box body through the rotating shaft.
The safety system for the small door lock of the elevator landing door frame is characterized in that the box body is detachably connected with the landing door frame.
The safety system for the small door lock of the elevator landing door frame is characterized in that the door cover is positioned on the front surface of the landing door frame and is parallel to the landing door panel.
The safety system for the small door lock of the elevator landing door frame is characterized in that the door cover is positioned on the side surface of the landing door frame, and the door cover and the landing door panel form a first angle.
The safety system for the small door lock of the elevator landing door frame is characterized in that the end part of one end of the lock core shaft is arranged in a triangular prism shape, and the end part of one end of the lock core shaft is matched with the triangular key.
Compared with the prior art, the technical scheme has the positive effects that:
before a maintenance worker opens a landing door panel to enter a hoistway, the maintenance worker needs to open a door cover firstly, disconnect a contact of an electric switch, interrupt normal operation of an elevator and unlock a landing door lock; after the maintenance personnel leave the hoistway, the door cover needs to be manually closed, the second unlocking mechanism needs to be manually reset, the contact of the electrical switch is closed, and the normal operation of the elevator is recovered. The invention ensures that the elevator can not normally run all the time when the maintenance personnel are positioned in the hoistway, thereby ensuring the safety of the maintenance personnel.
Drawings
Fig. 1 is a schematic structural view of the outer side of an elevator when a door cover is closed in a first embodiment of a safety system for small door locks of landing doors and door frames of the elevator, according to the invention;
fig. 2 is a schematic structural view of the inner side of an elevator when a door cover is closed in a first embodiment of the safety system for the small door lock of the landing door frame of the elevator;
fig. 3 is a schematic structural view of the contact and the communicator of the electrical switch of the first embodiment of the safety system for the small door lock of the landing door frame of the elevator, according to the present invention;
fig. 4 is a schematic structural view of the contact of an electrical switch of a first embodiment of the safety system for the small door lock of the landing door frame of the elevator, when the contact is disconnected from a communicator;
fig. 5 is a schematic structural view of the outer side of an elevator when a door cover is opened in a first embodiment of the safety system for the small door lock of the landing door frame of the elevator;
fig. 6 is a schematic structural view of the inner side of an elevator when a door cover is opened in a first embodiment of the safety system for the small door lock of the landing door frame of the elevator;
fig. 7 is a schematic structural view of the outer side of an elevator when a door cover is closed in a second embodiment of the safety system for the small door locks of the landing doors and the door frames of the elevator;
fig. 8 is a schematic structural view of the inner side of an elevator when a door cover is closed in a second embodiment of the safety system for the small door locks of the landing doors and the door frames of the elevator;
fig. 9 is a schematic structural view of a contact and a communicator of an electrical switch in a second embodiment of the safety system for a small door lock of a landing door frame of an elevator according to the present invention when closed;
fig. 10 is a schematic view showing a structure in which contacts of an electrical switch are disconnected from a communicator in a second embodiment of a security system for a small door lock of a landing door frame of an elevator according to the present invention;
fig. 11 is a schematic structural view of the outside of an elevator when a door cover is opened in a second embodiment of the safety system for small door locks of landing doors and door frames of the elevator according to the present invention;
fig. 12 is a schematic structural view of the inside of an elevator when a door cover is opened in a second embodiment of the safety system for small door locks of elevator landing doors and door frames according to the present invention;
fig. 13 is a schematic structural view of the outer side of an elevator when a door cover is closed in a third embodiment of the safety system for the small door locks of the landing doors and the door frames of the elevator of the invention;
fig. 14 is a schematic structural view of the inner side of an elevator when a door cover is closed in a third embodiment of the safety system for small door locks of elevator landing doors and door frames of the invention;
fig. 15 is a schematic structural view of a contact and a communicator of an electrical switch in a third embodiment of the safety system for a small door lock of a landing door frame of an elevator according to the present invention;
fig. 16 is a schematic view showing the structure of a third embodiment of the safety system for the small door lock of the landing door frame when the contacts of the electrical switch are disconnected from the communicator;
fig. 17 is a schematic structural view of the outside of an elevator when the door cover is opened in a third embodiment of the safety system for the small door lock of the landing door frame of the elevator according to the present invention;
fig. 18 is a schematic structural view of the inside of an elevator when a door cover is opened in a third embodiment of the safety system for small door locks of elevator landing doors and door frames according to the present invention;
fig. 19 is a schematic structural view of the outside of an elevator when the door cover is closed in a fourth embodiment of the safety system for the small door locks of the landing doors and the door frames of the elevator according to the invention;
fig. 20 is a schematic structural view of the inside of an elevator when a door cover is closed in a fourth embodiment of the safety system for small door locks of elevator landing doors and door frames according to the present invention;
fig. 21 is a schematic view showing a contact and a communicator of an electrical switch in a fourth embodiment of the safety system for a small door lock of a landing door frame of an elevator according to the present invention when closed;
fig. 22 is a schematic view showing the structure of the fourth embodiment of the safety system for the small door lock of the landing door frame of the elevator in which the contacts of the electrical switch are disconnected from the communicator;
fig. 23 is a schematic structural view of the outside of an elevator when the door cover is opened in the fourth embodiment of the safety system for the small door lock of the landing door frame of the elevator according to the present invention;
fig. 24 is a schematic structural view of the inside of an elevator when a door cover is opened in a fourth embodiment of the safety system for small door locks of elevator landing doors and door frames according to the present invention;
fig. 25 is a schematic structural view of the safety system for the small door locks of the landing door frames of the elevator according to the first embodiment and the third embodiment of the invention when the second unlocking mechanism is closed;
fig. 26 is a schematic structural view of the safety system for the small door locks of the landing door frames of the elevator of the first embodiment and the third embodiment of the invention when the second unlocking mechanism is opened;
fig. 27 is a schematic structural view of a second embodiment and a fourth embodiment of a safety system for a small door lock of a landing door frame of an elevator, in which a second unlocking mechanism is closed;
fig. 28 is a schematic structural view of a second embodiment and a fourth embodiment of a safety system for a small door lock of a landing door frame of an elevator according to the present invention when a second unlocking mechanism is opened;
in the drawings: 1. a landing door apparatus; 11. a landing door lock; 12. a first latch hook; 13. a second latch hook; 2. a landing door panel; 21. a first unlocking mechanism; 22. a pull rod; 23. a limiting rod; 24. a wire rope; 25. a rod member; 3. a landing door frame; 31. a second unlocking mechanism; 32. a lock cylinder housing; 33. a lock core shaft; 34. an unlocking lever; 35. a spring; 36. a first limit plate; 37. a second limiting plate; 38. a first upright post; 39. a second upright; 4. a door cover; 41. an electrical switch; 42. a communicating device; 43. a rotating shaft; 44. a box body; 45. a long hole; 46. avoiding holes; 47. a front panel; 48. a side panel; 49. and (7) closing the plate.
Detailed Description
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
Fig. 1 is a schematic view showing the structure of the outside of an elevator when a door cover is closed in a first embodiment of an elevator landing door frame small door lock safety system of the present invention, fig. 2 is a schematic view showing the structure of the inside of the elevator when a door cover is closed in a first embodiment of an elevator landing door frame small door lock safety system of the present invention, fig. 3 is a schematic view showing the structure of an electrical switch when a contact of the electrical switch is closed with a communicator in the first embodiment of an elevator landing door frame small door lock safety system of the present invention, fig. 4 is a schematic view showing the structure of the electrical switch when the contact of the electrical switch is disconnected with the communicator in the first embodiment of an elevator landing door frame small door lock safety system of the present invention, fig. 5 is a schematic view showing the structure of the outside of the elevator when a door cover is opened in the first embodiment of an elevator landing door frame small door lock safety system of the present invention, fig. 6 is a schematic view showing the structure of the inside of the elevator when a door cover is opened in the first embodiment of an elevator landing door frame small door lock safety system of the present invention, fig. 25 is a schematic structural view of the elevator landing door small door lock safety system according to the first embodiment and the third embodiment of the present invention when the second unlocking mechanism is closed, fig. 26 is a schematic structural view of the elevator landing door small door lock safety system according to the first embodiment and the third embodiment of the present invention when the second unlocking mechanism is opened, as shown in fig. 1 to 6 and fig. 25 to 26, showing an elevator landing door small door lock safety system according to a preferred embodiment, including: layer door panel 2, layer door device 1 and layer door frame 3, be equipped with first release mechanism 21 in the layer door panel 2, layer door device 1 locates layer door panel 2's top, be equipped with layer door lock 11 in the layer door device 1, first release mechanism 21 and the cooperation of layer door lock 11 locking, layer door frame 3 locates layer door panel 2's lateral wall, the activity is equipped with door closure 4 on layer door frame 3, the inboard of door closure 4 is equipped with second release mechanism 31, door closure 4 and layer door frame 3 pass through the cooperation of second release mechanism 31 locking, be equipped with UNICOM's ware 42 on the second release mechanism 31, be equipped with electrical switch 41 in the layer door frame 3, UNICOM's ware 42 is used for switching on electrical switch's 41 contact.
Further, as a preferred embodiment, the safety system of the small door lock of the door frame of the elevator landing further comprises an electrical system (not shown in the figure), the electrical switch 41 is electrically connected with the electrical system, and the electrical system controls the normal operation of the elevator. Preferably, when the contacts of the electrical switch 41 are closed, the elevator can run normally; when the contacts of the electric switch 41 are opened, the elevator cannot normally operate.
Further, as a preferred embodiment, the landing door lock 11 includes a first lock hook 12 and a second lock hook 13, the first lock hook 12 is fixedly connected to the landing door apparatus 1, the second lock hook 13 is rotatably connected to the upper end of the landing door panel 2, the second lock hook 13 is connected to the first unlocking mechanism 21, and the first lock hook 12 is in locking engagement with the second lock hook 13. Preferably, the second latch hook 13 is horizontally movable along with the landing door panel 2.
Preferably, the landing door lock 11 on the landing door device 1 is connected with an electrical system, and when the landing door lock 11 is closed, the elevator can normally run; when the landing door lock 11 is disconnected, the elevator cannot normally operate.
Further, as a preferred embodiment, the first unlocking mechanism 21 includes a pull rod 22 and a limiting rod 23, the middle of the pull rod 22 is rotatably connected with the inner side of the landing door panel 2, one end of the pull rod 22 is connected with the second locking hook 13 through a steel wire rope 24, the other end of the pull rod 22 is located on the inner side of the door cover 4, the weight of the other end of the pull rod 22 is greater than the weight of one end of the pull rod 22, the limiting rod 23 is located on the inner side of the landing door panel 2, the limiting rod 23 is located below the other end of the pull rod 22, and the limiting rod 23 is in limiting fit with the other end of the pull rod 22.
Further, as a preferred embodiment, the first unlocking mechanism 21 further includes a rod 25, the rod 25 is disposed on the second locking hook 13, one end of the steel wire 24 is fixedly connected to the rod 25, and the other end of the steel wire 24 is connected to one end of the pull rod 22. Preferably, after the door cover 4 is opened, the other end of the pull rod 22 is manually lifted upwards, the pull rod 22 rotates around the rotation center, one end of the pull rod 22 pulls the rod piece 25 downwards through the steel wire rope 24, the rod piece 25 is lifted upwards and drives the second lock hook 13 to rotate, and therefore the second lock hook 13 is separated from the first lock hook 12 in a limiting fit mode, and the landing door lock 11 is unlocked; the other end of the pull rod 22 is released and the pull rod 22 returns to the original position by gravity.
Further, as a preferred embodiment, the second unlocking mechanism 31 includes a lock cylinder housing 32, a lock cylinder shaft 33, and an unlocking lever 34.
Further, as a preferred embodiment, the lock cylinder housing 32 is fixedly connected to the door cover 4, and a first limit plate 36 and a second limit plate 37 are disposed on the lock cylinder housing 32.
Further, as a preferred embodiment, one end of the spindle 33 extends into the lock cylinder housing 32, the spindle 33 is rotatably connected to the lock cylinder housing 32, and the unlocking rod 34 is fixedly connected to the other end of the spindle 33. Preferably, the locking spindle 33 is not axially movable.
Further, as a preferred embodiment, a communicator 42 is disposed on one side of one end of the unlocking lever 34, the other side of one end of the unlocking lever 34 is in limit fit with the first limit plate 36, and the other end of the unlocking lever 34 is in limit fit with the second limit plate 37. Preferably, when the second unlocking mechanism 31 is in the initial state, the contact of the electrical switch 41 is conducted by the communicator 42, one end of the unlocking rod 34 abuts against the inner side of the landing door frame 3, the door cover 4 cannot be opened outwards, the other end of the unlocking rod 34 is in limit fit with the second limit plate 37, and the unlocking rod 34 cannot rotate in the direction of pressing the contact of the electrical switch 41; during the action, the lock core shaft 33 and the unlocking rod 34 are rotated by a maintenance worker through a triangular key, the communicating device 42 rotates towards the direction far away from the contact of the electrical switch 41, the contact of the electrical switch 41 is disconnected with the communicating device 42, one end of the unlocking rod 34 rotates to be in limit fit with the first limiting plate 36, the unlocking rod cannot rotate continuously, at the moment, one end of the unlocking rod 34 rotates to the inner side of the door cover 4 completely, and is separated from the limit fit with the landing door frame 3, and the door cover 4 can be opened outwards.
Further, as a preferred embodiment, the second unlocking mechanism 31 further includes: the spring 35 and the unlocking rod 34 are provided with a first upright post 38 in the middle, one end of the spring 35 is fixedly connected with the first upright post 38, the inner side of the door cover 4 is provided with a second upright post 39, and the other end of the spring 35 is fixedly connected with the second upright post 39. Preferably, when the second unlocking mechanism 31 is in the initial state, the spring 35 is in a stretched state, and the unlocking lever 34 is under the tension of the spring 35, so that the communicator 42 presses the contact of the electrical switch 41; during action, the spring 35 firstly shortens and then lengthens, and is finally in a stretching state, and the tension of the spring 35 pulls the unlocking rod 34 to keep a position far away from the contact of the electric switch 41; the lock release lever 34 requires manual operation to switch between the initial position and the actuation position.
The above are merely preferred embodiments of the present invention, and the embodiments and the protection scope of the present invention are not limited thereby.
The present invention also has the following embodiments in addition to the above:
in a further embodiment of the present invention, please continue to refer to fig. 1, the door cover 4 is rotatably connected to the landing door frame 3 via a rotating shaft 43. Preferably, the door 4 is rotatable about a rotation axis 43 at the edge of the door 4 to be opened outward.
In a further embodiment of the invention, one end of the unlocking lever 34 is in limit-fit with the inner side of the landing door frame 3.
In a further embodiment of the invention, the door cover 4 is positioned on the front side of the landing door frame 3, and the door cover 4 is parallel to the landing door panel 2.
In a further embodiment of the invention, the door cover 4 is located at the side of the landing door frame 3, the door cover 4 forming a first angle with the landing door panel 2. Preferably, the door cover 4 is perpendicular to the landing door panel 2.
In a further embodiment of the present invention, the end of one end of the lock cylinder 33 is disposed in a triangular prism, and the end of one end of the lock cylinder 33 is matched with the inner hole of the triangular key. Preferably, the maintenance person needs to use a triangular key to operate the second unlocking mechanism 31.
In the embodiment, when the elevator is in an initial state, the contact of the electrical switch 41 is conducted by the communicator 42, at this time, the elevator can normally run, the spring 35 is in a stretching state, the unlocking lever 34 is under the pulling force of the spring 35, so that the communicator 42 presses the contact of the electrical switch 41, one end of the unlocking lever 34 is abutted against the inner side of the landing door frame 3, the door cover 4 cannot be opened outwards, the other end of the unlocking lever 34 is in limit fit with the second limiting plate 37, and the unlocking lever 34 cannot rotate in the direction of pressing the contact of the electrical switch 41; the pull rod 22 is in limit fit with the limit rod 23 under the action of gravity, and the first unlocking mechanism 21 and the landing door lock 11 are kept locked.
In the embodiment, during action, a maintenance worker rotates the lock core shaft 33 counterclockwise through a triangular key and drives the unlocking rod 34 to rotate counterclockwise, the communicator 42 is disconnected from the contact of the electrical switch 41, after one end of the unlocking rod 34 rotates by 30 degrees, one end of the unlocking rod 34 is in limit fit with the first limiting plate 36 and cannot rotate continuously, the spring 35 is in a stretching state, the spring 35 pulls the unlocking rod 34 to be kept at a position far away from the contact of the electrical switch 41, and at the moment, one end of the unlocking rod 34 completely rotates to the inner side of the door cover 4, so that the door cover 4 can be opened outwards; after the door cover 4 is opened, the other end of the pull rod 22 is manually lifted upwards, the pull rod 22 rotates around the rotation center, one end of the pull rod 22 downwards pulls the rod piece 25 through the steel wire rope 24, the rod piece 25 is lifted upwards and drives the second lock hook 13 to rotate, and therefore the second lock hook 13 is separated from the first lock hook 12 in a limiting fit mode, the landing door lock 11 is unlocked, and the landing door panel 2 is opened; the other end of the pull rod 22 is released and the pull rod 22 returns to the original position by gravity.
Second embodiment:
fig. 7 is a schematic view showing the structure of the outside of an elevator when a door cover is closed in a second embodiment of an elevator landing door frame small door lock safety system of the present invention, fig. 8 is a schematic view showing the structure of the inside of the elevator when a door cover is closed in the second embodiment of an elevator landing door frame small door lock safety system of the present invention, fig. 9 is a schematic view showing the structure of an electrical switch when a contact of the electrical switch is closed and a communicator in the second embodiment of an elevator landing door frame small door lock safety system of the present invention, fig. 10 is a schematic view showing the structure of the contact of the electrical switch when the contact of the electrical switch is disconnected from the communicator in the second embodiment of an elevator landing door frame small door lock safety system of the present invention, fig. 11 is a schematic view showing the structure of the outside of the elevator when a door cover is opened in the second embodiment of an elevator landing door frame small door lock safety system of the present invention, fig. 12 is a schematic view showing the structure of the inside of the elevator when a door cover is opened in the second embodiment of an elevator landing door frame small door lock safety system of the present invention, fig. 27 is a schematic structural view of a second embodiment and a fourth embodiment of an elevator landing door frame small door lock safety system according to the present invention when a second unlocking mechanism is closed, fig. 28 is a schematic structural view of the second embodiment and the fourth embodiment of the elevator landing door frame small door lock safety system according to the present invention when the second unlocking mechanism is opened, as shown in fig. 7 to 12 and fig. 27 to 28, an elevator landing door frame small door lock safety system according to a preferred embodiment is shown, and the main body structure of the second embodiment is substantially the same as that of the first embodiment, except that: the second unlocking mechanism 31 includes a lock cylinder housing 32, a lock cylinder shaft 33, and an unlocking lever 34.
Further, as a preferred embodiment, the lock cylinder housing 32 is fixedly connected to the door cover 4, and the first limiting plate 36 is disposed on the lock cylinder housing 32.
Further, as a preferred embodiment, one end of the spindle 33 extends into the lock cylinder housing 32, and the spindle 33 is rotatably connected to the lock cylinder housing 32.
Further, as a preferred embodiment, the unlocking rod 34 is fixedly connected with the other end of the lock core shaft 33, a communicator 42 is arranged on one side of one end of the unlocking rod 34, the other side of one end of the unlocking rod 34 is in limit fit with one side of the first limiting plate 36, and the other end of the unlocking rod 34 is in limit fit with the other side of the first limiting plate 36.
Preferably, in the initial state of the second unlocking mechanism 31, the gravity of the second unlocking mechanism 31 causes the communicator 42 to press the contact of the electrical switch 41; in operation, the center of gravity of the unlocking lever 34 is located on the other side of the center of rotation, and the gravity of the second unlocking mechanism 31 keeps the communication connector 42 at a position away from the contact of the electrical switch 41; the lock release lever 34 requires manual operation to switch between the initial position and the actuation position.
In the embodiment, in an initial state, the contact of the electrical switch 41 is conducted by the communicating device 42, at this time, the elevator can run normally, because the center of gravity of the unlocking rod 34 is located at one side of the rotation center, the communicating device 42 presses the contact of the electrical switch 41, one end of the unlocking rod 34 is abutted against the inner side of the landing door frame 3, the door cover 4 cannot be opened outwards, the other end of the unlocking rod 34 is in limit fit with the other side of the first limit plate 36, and the unlocking rod 34 cannot rotate towards the direction of pressing the contact of the electrical switch 41; the pull rod 22 is in limit fit with the limit rod 23 under the action of gravity, and the first unlocking mechanism 21 and the landing door lock 11 are kept locked.
In the embodiment, when the lock core shaft 33 is rotated anticlockwise by a maintenance worker through a triangular key and the unlocking rod 34 is driven to rotate anticlockwise, the communicator 42 is disconnected from the contact of the electrical switch 41, after one end of the unlocking rod 34 rotates 120 degrees, the other side of one end of the unlocking rod 34 is in limit fit with one side of the first limit plate 36 and cannot rotate continuously, and at the moment, one end of the unlocking rod 34 completely rotates to the inner side of the door cover 4, so that the door cover 4 can be opened outwards; after the door cover 4 is opened, the other end of the pull rod 22 is manually lifted upwards, the pull rod 22 rotates around the rotation center, one end of the pull rod 22 pulls the rod piece 25 downwards through the steel wire rope 24, the rod piece 25 is lifted upwards and drives the second lock hook 13 to rotate, and therefore the second lock hook 13 is separated from the first lock hook 12 in a limiting fit mode, the landing door lock 11 is unlocked, and the landing door panel 2 is opened; the other end of the pull rod 25 is released and the pull rod 25 returns to the original position by gravity.
The third embodiment:
fig. 13 is a schematic view showing the structure of the outside of an elevator when a door cover is closed in a third embodiment of an elevator landing door frame small door lock safety system of the present invention, fig. 14 is a schematic view showing the structure of the inside of the elevator when a door cover is closed in the third embodiment of an elevator landing door frame small door lock safety system of the present invention, fig. 15 is a schematic view showing the structure of an electrical switch when a contact of the electrical switch is closed and a communicator in the third embodiment of an elevator landing door frame small door lock safety system of the present invention, fig. 16 is a schematic view showing the structure of the electrical switch when a contact of the electrical switch is disconnected from the communicator in the third embodiment of an elevator landing door frame small door lock safety system of the present invention, fig. 17 is a schematic view showing the structure of the outside of the elevator when a door cover is opened in the third embodiment of an elevator landing door frame small door lock safety system of the present invention, fig. 18 is a schematic view showing the structure of the inside of the elevator when a door cover is opened in the third embodiment of an elevator landing door frame small door lock safety system of the present invention, fig. 25 is a schematic structural view of a first embodiment and a third embodiment of a security system for a landing door and a door frame pocket door lock of an elevator according to the present invention, in which a second unlocking mechanism is closed, fig. 26 is a schematic structural view of the first embodiment and the third embodiment of the security system for a landing door and a door frame pocket door lock of an elevator according to the present invention, in which a second unlocking mechanism is opened, as shown in fig. 13 to 18 and fig. 25 to 26, a security system for a landing door and a door frame pocket door lock of a preferred embodiment is shown, and the third embodiment has a main body structure substantially the same as that of the first embodiment, except that: be equipped with box body 44 on the layer door frame 3, box body 44 is close to one of the outside of layer door frame 3 and serves the activity and be equipped with door closure 4, and second release mechanism 31 is located box body 44, and the inboard spacing cooperation of the one end that the one end of unblock pole 34 and box body 44 are close to door closure 4, and the one end that door closure 4 was kept away from to box body 44 is equipped with slot hole 45, and the other end of pull rod 22 passes slot hole 45 and stretches into in the box body 44. Preferably, a square hole is arranged at one end of the box body 44 close to the outer side of the landing door frame 3, and the door cover 4 is arranged in the square hole.
Further, as a preferred embodiment, an end of the box body 44 far away from the door 4 is provided with a relief hole 46 in cooperation with a side wall of the box body 44, and the relief hole 46 is communicated with the long hole 45. Preferably, the relief hole 46 is used to avoid the other end of the pull rod 22, preventing the landing door panel 2 from abutting against the box 44 during opening.
The above are merely preferred embodiments of the present invention, and the embodiments and the protection scope of the present invention are not limited thereby.
The present invention also has the following embodiments in addition to the above:
in a further embodiment of the present invention, please refer to fig. 1, the box body 44 is a rectangular parallelepiped, the box body 44 includes a front panel 47, a sealing plate 49 and four side panels 48, the front panel 47 is disposed on the landing door frame 3, the outer side surface of the front panel 47 is flush with the outer side surface of the landing door frame 3, one end of the unlocking rod 34 is in limit fit with the inner side of the front panel 47, the front panel 47 is movably provided with the door cover 4, and the sealing plate 49 is provided with a long hole 45 in fit with one side panel 48.
In a further embodiment of the invention, the door 4 is rotatably connected to the case by a shaft 43.
In a further embodiment of the invention, the box 44 is detachably connected to the landing door frame 3. Preferably, when needing to be changed, can wholly replace, the convenient maintenance is protected.
In the embodiment, when the elevator is in an initial state, the contact of the electrical switch 41 is conducted by the communicator 42, at this time, the elevator can normally run, the spring 35 is in a stretching state, the unlocking lever 34 is under the pulling force of the spring 35, the communicator 42 presses the contact of the electrical switch 41, one end of the unlocking lever 34 abuts against the inner side of the box body 44, the door cover 4 cannot be opened outwards, the other end of the unlocking lever 34 is in limit fit with the second limiting plate 37, and the unlocking lever 34 cannot rotate in the direction of pressing the contact of the electrical switch 41; the pull rod 22 is in limit fit with the limit rod 23 under the action of gravity, and the first unlocking mechanism 21 and the landing door lock 11 are kept locked.
In the embodiment, when the lock core shaft 33 is rotated anticlockwise by a maintenance worker through a triangular key and the unlocking rod 34 is driven to rotate anticlockwise, the communicator 42 is disconnected from the contact of the electrical switch 41, after one end of the unlocking rod 34 rotates by 30 degrees, one end of the unlocking rod 34 is in limit fit with the first limiting plate 36 and cannot rotate continuously, the spring 35 is in a stretching state, the spring 35 pulls the unlocking rod 34 to be kept at a position far away from the contact of the electrical switch 41, and at the moment, one end of the unlocking rod 34 is separated from the limit fit with the inner side of the box body 44 and completely rotates to the inner side of the door cover 4, so that the door cover 4 can be opened outwards; after the door cover 4 is opened, the other end of the pull rod 22 is manually lifted upwards, the pull rod 22 rotates around the rotation center, one end of the pull rod 22 downwards pulls the rod piece 25 through the steel wire rope 24, the rod piece 25 is lifted upwards and drives the second lock hook 13 to rotate, and therefore the second lock hook 13 is separated from the first lock hook 12 in a limiting fit mode, the landing door lock 11 is unlocked, and the landing door panel 2 is opened; the other end of the pull rod 22 is released and the pull rod 22 returns to the original position by gravity.
The fourth embodiment:
fig. 19 is a schematic view showing the structure of the outside of an elevator when a door cover is closed in a fourth embodiment of the safety system for small door locks of elevator landing doors of the present invention, fig. 20 is a schematic view showing the structure of the inside of the elevator when a door cover is closed in the fourth embodiment of the safety system for small door locks of elevator landing doors of the present invention, fig. 21 is a schematic view showing the structure of the contact of an electrical switch and a communicator in the fourth embodiment of the safety system for small door locks of elevator landing doors of the present invention, fig. 22 is a schematic view showing the structure of the contact of an electrical switch and a communicator in the fourth embodiment of the safety system for small door locks of elevator landing doors of the present invention, fig. 23 is a schematic view showing the structure of the outside of the elevator when a door cover is opened in the fourth embodiment of the safety system for small door locks of elevator landing doors of the present invention, fig. 24 is a schematic view showing the structure of the inside of the elevator when a door cover is opened in the fourth embodiment of the safety system for small door locks of elevator landing doors of elevator, fig. 27 is a schematic structural view of a second embodiment and a fourth embodiment of an elevator landing door small door lock safety system according to the present invention when a second unlocking mechanism is closed, fig. 28 is a schematic structural view of a second embodiment and a fourth embodiment of an elevator landing door small door lock safety system according to the present invention when a second unlocking mechanism is opened, as shown in fig. 19 to 24 and fig. 27 to 28, showing an elevator landing door small door lock safety system according to a preferred embodiment, the fourth embodiment has a main body structure substantially the same as that of the first embodiment, except that: the second unlocking mechanism 31 includes a lock cylinder housing 32, a lock cylinder shaft 33, and an unlocking lever 34.
Further, as a preferred embodiment, the lock cylinder housing 32 is fixedly connected to the door cover 4, and the first limiting plate 36 is disposed on the lock cylinder housing 32.
Further, as a preferred embodiment, one end of the spindle 33 extends into the lock cylinder housing 32, and the spindle 33 is rotatably connected to the lock cylinder housing 32.
Further, as a preferred embodiment, the unlocking rod 34 is fixedly connected with the other end of the lock core shaft 33, a communicator 42 is arranged on one side of one end of the unlocking rod 34, the other side of one end of the unlocking rod 34 is in limit fit with one side of the first limit plate 36, and the other end of the unlocking rod 34 is in limit fit with the other side of the first limit plate 36.
Further, as a preferred embodiment, a box body 44 is arranged on the landing door frame 3, a door cover 4 is movably arranged at one end of the box body 44 close to the outer side of the landing door frame 3, the second unlocking mechanism 31 is located in the box body 44, one end of the unlocking rod 34 is in limit fit with the inner side of one end of the box body 33 close to the door cover 4, a long hole 45 is arranged at one end of the box body 44 far away from the door cover 4, and the other end of the pull rod 22 penetrates through the long hole 45 and extends into the box body 44.
Further, as a preferred embodiment, an end of the box 44 away from the door 4 is provided with a relief hole 46 in cooperation with a side wall of the box, and the relief hole 46 is communicated with the long hole 45.
The above are merely preferred embodiments of the present invention, and the embodiments and the protection scope of the present invention are not limited thereby.
The present invention also has the following embodiments in addition to the above:
in a further embodiment of the present invention, please refer to fig. 1, the box body 44 is a rectangular parallelepiped, the box body 44 includes a front panel 47, a sealing plate 49 and four side panels 48, the front panel 47 is disposed on the landing door frame 3, the outer side surface of the front panel 47 is flush with the outer side surface of the landing door frame 3, one end of the unlocking rod 34 is in limit fit with the inner side of the front panel 47, the front panel 47 is movably provided with the door cover 4, and the sealing plate 49 is provided with a slot 45 in cooperation with one side panel 48.
In a further embodiment of the invention, the door 4 is rotatably connected to the box 44 by a shaft 43.
In a further embodiment of the invention, the box 44 is detachably connected to the landing door frame 3.
In the embodiment, in an initial state, the contact of the electrical switch 41 is conducted by the communicator 42, at this time, the elevator can run normally, because the center of gravity of the unlocking lever 34 is located at one side of the rotation center, the communicator 42 presses the contact of the electrical switch 41, one end of the unlocking lever 34 abuts against the inner side of the box body 44, the door cover 4 cannot be opened outwards, the other end of the unlocking lever 34 is in limit fit with the other side of the first limiting plate 36, and the unlocking lever 34 cannot rotate in the direction of pressing the contact of the electrical switch 41; the pull rod 22 is in limit fit with the limit rod 23 under the action of gravity, and the first unlocking mechanism 21 and the landing door lock 11 are kept locked.
In the embodiment, when the lock core shaft 33 is rotated anticlockwise by a maintenance worker through a triangular key and the unlocking rod 34 is driven to rotate anticlockwise, the communicator 42 is disconnected from the contact of the electrical switch 41, after one end of the unlocking rod 34 rotates 120 degrees, the other side of one end of the unlocking rod 34 is in limit fit with one side of the first limit plate 36 and cannot rotate continuously, and at the moment, one end of the unlocking rod 34 is separated from the limit fit with the inner side of the box body 44 and completely rotates to the inner side of the door cover 4, so that the door cover 4 can be opened outwards; after the door cover 4 is opened, the other end of the pull rod 22 is manually lifted upwards, the pull rod 22 rotates around the rotation center, one end of the pull rod 22 downwards pulls the rod piece 25 through the steel wire rope 24, the rod piece 25 is lifted upwards and drives the second lock hook 13 to rotate, and therefore the second lock hook 13 is separated from the first lock hook 12 in a limiting fit mode, the landing door lock 11 is unlocked, and the landing door panel 2 is opened; the other end of the pull rod 22 is released and the pull rod 22 returns to the original position by gravity.
When the landing door needs to be opened and the landing door enters the hoistway to be overhauled, maintenance personnel need to rotate the lock core shaft 33 anticlockwise through the triangular key and drive the unlocking rod 34 to rotate anticlockwise to unlock the second unlocking mechanism 31, the door cover 4 is opened after the second unlocking mechanism 31 is unlocked, the first unlocking mechanism 21 is manually unlocked, the landing door lock 11 is unlocked, the landing door panel 2 is horizontally opened, and the maintenance personnel can enter the hoistway to be overhauled.
After the maintenance is finished, the maintenance personnel returns to the landing, the door cover 4 is manually closed, the unlocking lever 34 is rotated towards the direction of closing the contact of the electrical switch 41, the contact of the electrical switch 41 is conducted by the communicating device 42, and the elevator returns to normal operation.
According to the elevator hoistway unlocking device, the first unlocking mechanism 21 and the second unlocking mechanism 32 are arranged, the first unlocking mechanism 21 can be opened only after the second unlocking mechanism 32 is opened, and then the fixed operation sequence of the landing door lock 11 is unlocked, so that the normal operation of an elevator is guaranteed when the elevator enters a hoistway; by means of the design that the first unlocking mechanism 21 and the second unlocking mechanism 31 need to be reset manually, it is guaranteed that the elevator can be recovered to normally operate after people leave the hoistway. Through the limitation of the two steps, the safety of personnel in the well during maintenance is guaranteed, and the well condition of a shallow pit and a short top layer is adapted.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (14)
1. A safety system for a small door lock of a door frame of an elevator landing door is characterized by comprising:
the floor door panel is internally provided with a first unlocking mechanism;
the landing door device is arranged above the landing door panel, a landing door lock is arranged in the landing door device, and the first unlocking mechanism is in locking fit with the landing door lock;
the landing door frame is arranged on the side wall of the landing door panel, a door cover is movably arranged on the landing door frame, a second unlocking mechanism is arranged on the inner side of the door cover, the door cover and the landing door frame are locked and matched through the second unlocking mechanism, a communicating device is arranged on the second unlocking mechanism, an electrical switch is arranged in the landing door frame, and the communicating device is used for conducting a contact of the electrical switch;
the second unlocking mechanism includes:
the lock cylinder shell is fixedly connected with the door cover, and a first limiting plate and a second limiting plate are arranged on the lock cylinder shell;
one end of the lock core shaft extends into the lock core shell, and the lock core shaft is rotationally connected with the lock core shell;
the unlocking rod is fixedly connected with the other end of the lock core shaft, one side of one end of the unlocking rod is provided with the communicating device, the other side of one end of the unlocking rod is in limit fit with the first limiting plate, and the other end of the unlocking rod is in limit fit with the second limiting plate;
the second unlocking mechanism further includes: the middle part of the unlocking rod is provided with a first upright post, one end of the spring is fixedly connected with the first upright post, the inner side of the door cover is provided with a second upright post, and the other end of the spring is fixedly connected with the second upright post;
the first unlocking mechanism comprises a pull rod and a limiting rod, the middle of the pull rod is rotatably connected with the inner side of the landing door panel, one end of the pull rod is connected with the second lock hook through a steel wire rope, the other end of the pull rod is positioned on the inner side of the door cover, the weight of the other end of the pull rod is larger than that of one end of the pull rod, the limiting rod is arranged on the inner side of the landing door panel, the limiting rod is positioned below the other end of the pull rod, and the limiting rod is in limiting fit with the other end of the pull rod;
the layer door is characterized in that a box body is arranged on the layer door frame, one end of the outer side of the box body, which is close to the layer door frame, is movably provided with the door cover, the second unlocking mechanism is located in the box body, one end of the unlocking rod is close to the inner side limiting fit of one end of the door cover, one end of the box body, which is far away from the door cover, is provided with a long hole, and the other end of the pull rod penetrates through the long hole and stretches into the box body.
2. The elevator landing door frame pocket door lock security system of claim 1, further comprising an electrical system, the electrical switch being electrically connected to the electrical system.
3. The elevator landing door frame small door lock safety system of claim 1, wherein the landing door lock includes a first locking hook fixedly connected to the landing door assembly and a second locking hook rotatably connected to the upper end of the landing door panel, the second locking hook being connected to the first unlocking mechanism, the first locking hook being in locking engagement with the second locking hook.
4. The elevator landing door frame small door lock safety system of claim 1, wherein the first unlocking mechanism further comprises a rod member disposed on the second latch hook, one end of the wire rope is fixedly connected to the rod member, and the other end of the wire rope is connected to one end of the pull rod.
5. The elevator landing door frame small door lock security system of claim 1, wherein the second unlocking mechanism comprises:
the lock cylinder shell is fixedly connected with the door cover, and a first limiting plate is arranged on the lock cylinder shell;
one end of the lock core shaft extends into the lock core shell, and the lock core shaft is rotationally connected with the lock core shell;
the unlocking rod, the unlocking rod with the other end fixed connection of lock core axle, one side of the one end of unlocking rod is equipped with the UNICOM ware, the opposite side of the one end of unlocking rod with the spacing cooperation in one side of first limiting plate, the other end of unlocking rod with the spacing cooperation in opposite side of first limiting plate.
6. The lift landing door frame small door lock safety system of claim 1 or 5, wherein the door cover is rotatably connected to the landing door frame by a rotating shaft.
7. The elevator landing door frame pocket door lock security system of claim 6, wherein one end of the unlatching lever is in positive engagement with an inner side of the landing door frame.
8. The safety system for the small door lock of the door frame of the elevator landing door according to claim 1, wherein an end of the box body, which is far away from the door cover, is provided with an avoiding hole in cooperation with a side wall of the box body, and the avoiding hole is communicated with the long hole.
9. The safety system as claimed in claim 8, wherein the box body is rectangular and comprises a front panel, a sealing plate and four side panels, the front panel is disposed on the landing door frame, the outer side of the front panel is flush with the outer side of the landing door frame, one end of the unlocking rod is in limit fit with the inner side of the front panel, the door cover is movably disposed on the front panel, and the long hole is disposed on the sealing plate and one of the side panels.
10. The lift level door frame pocket door lock security system of claim 1, wherein the door cover is rotatably coupled to the housing via a pivot.
11. The elevator landing door frame pocket door lock security system of claim 1, wherein the box is removably attached to the landing door frame.
12. The elevator landing door frame pocket door lock security system of claim 1, wherein the door cover is positioned on a front face of the landing door frame, the door cover being parallel to the landing door panel.
13. The elevator landing door frame pocket door lock security system of claim 1, wherein the door cover is positioned on a side of the landing door frame, the door cover forming a first angle with the landing door panel.
14. The elevator landing door frame small door lock safety system according to claim 1 or 5, wherein the end of one end of the lock cylinder is arranged in a triangular prism, and the end of one end of the lock cylinder is matched with a triangular key.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910157600.1A CN111634773B (en) | 2019-03-01 | 2019-03-01 | Safety system for small door lock of elevator landing door frame |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910157600.1A CN111634773B (en) | 2019-03-01 | 2019-03-01 | Safety system for small door lock of elevator landing door frame |
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| CN111634773B true CN111634773B (en) | 2022-05-27 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2825563Y (en) * | 2005-07-22 | 2006-10-11 | 刘广武 | Door lock structure of goods elevator |
| CN104176604A (en) * | 2014-07-18 | 2014-12-03 | 日立电梯（中国）有限公司 | Elevator door lock structure |
| CN205838282U (en) * | 2016-06-28 | 2016-12-28 | 苏州乐丰电梯部件有限公司 | A kind of door lock part of elevator |
| JP2018095457A (en) * | 2016-12-16 | 2018-06-21 | 株式会社日立製作所 | Elevator apparatus |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201942398U (en) * | 2010-06-21 | 2011-08-24 | 深圳市特种设备安全检验研究院 | Elevator landing door lock |
| CN104418218B (en) * | 2013-08-27 | 2016-06-15 | 上海三菱电梯有限公司 | Elevator landing door |
| CN203545418U (en) * | 2013-10-25 | 2014-04-16 | 上海三菱电梯有限公司 | Anti-falling safety protection device for elevator landing door |
| CN103863929B (en) * | 2014-03-31 | 2016-02-24 | 苏州德奥电梯有限公司 | A kind of waterproof type elevator hoistways safety door |
| CN205312842U (en) * | 2015-12-09 | 2016-06-15 | 上海三菱电梯有限公司 | Rotation triggers formula layer every lock lock core device and door unblock of elevator layer and warning device |
-
2019
- 2019-03-01 CN CN201910157600.1A patent/CN111634773B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2825563Y (en) * | 2005-07-22 | 2006-10-11 | 刘广武 | Door lock structure of goods elevator |
| CN104176604A (en) * | 2014-07-18 | 2014-12-03 | 日立电梯（中国）有限公司 | Elevator door lock structure |
| CN205838282U (en) * | 2016-06-28 | 2016-12-28 | 苏州乐丰电梯部件有限公司 | A kind of door lock part of elevator |
| JP2018095457A (en) * | 2016-12-16 | 2018-06-21 | 株式会社日立製作所 | Elevator apparatus |
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