CN112249845A - Automatic locking device of elevator door - Google Patents
Automatic locking device of elevator door Download PDFInfo
- Publication number
- CN112249845A CN112249845A CN202011051311.2A CN202011051311A CN112249845A CN 112249845 A CN112249845 A CN 112249845A CN 202011051311 A CN202011051311 A CN 202011051311A CN 112249845 A CN112249845 A CN 112249845A
- Authority
- CN
- China
- Prior art keywords
- wheel
- elevator door
- rod
- limiting
- locking device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
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
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
Abstract
The invention relates to the technical field of intelligent security and protection, and discloses an automatic locking device of an elevator door, which comprises a support, wherein the top of the support is rotatably connected with a lifting wheel, the right side surface of the lifting wheel is fixedly connected with a limiting wheel, the left side surface of the lifting wheel is fixedly connected with a power generation wheel, the surface of the power generation wheel is provided with a conductive wire, the outer side of the power generation wheel is provided with a permanent magnet, the lower side of the limiting wheel is provided with a limiting rod, and the surface of the limiting rod is provided with a spring. The automatic locking device of the elevator door has the advantages that the effect of automatically locking the sliding block on the elevator door when the lifting wheel rotates and automatically unlocking the sliding block on the elevator door when the lifting wheel stops rotating is achieved, and meanwhile, the effect of locking the limiting wheel on the lifting wheel is achieved through the matched use of the lifting wheel, the limiting wheel, the power generation wheel, the conductive wire, the permanent magnet, the limiting rod, the spring, the connecting rod, the control rod, the slide way, the sliding block, the electromagnetic soft iron, the power shaft, the power rod and the matching rod.
Description
Technical Field
The invention relates to the technical field of intelligent security, in particular to an automatic locking device of an elevator door.
Background
At present, the lifting elevator is almost distributed in cities, and the lifting elevator provides great convenience for people to go upstairs and downstairs. However, the elevator door of the existing lifting elevator cannot be locked when the elevator runs and can be opened in the running lifting process of the elevator. Especially when children exist in the elevator, the children who have the trouble can take off the elevator door when the elevator goes up and down, and the elevator door can not be taken off when seeing. And the lift-cabin door just can be taken off by child when not having the locking device to lead to the elevator trouble to stop, probably lead to child to fall out the elevator because the lift-cabin door has opened even. When the elevator door is opened, a locking device is also needed to lock the lifting device of the elevator, so that the elevator is prevented from running when the elevator door is not closed.
Therefore, it is necessary to design an intelligent device capable of automatically locking the elevator door when the elevator is running and lifting, automatically unlocking the elevator door when the elevator stops lifting, and simultaneously locking the lifting device of the elevator to prevent accidents from happening so as to provide safety guarantee for the elevator and passengers.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the automatic locking device of the elevator door, which has the advantages that the elevator door is automatically locked when the elevator runs and goes up and down, the locking of the elevator door is automatically released when the elevator stops going up and down, and the lifting device of the elevator is locked at the same time, so that the problem that the elevator door of the existing lifting elevator cannot be locked when the elevator runs and can be opened when the elevator runs and goes up and down is solved; particularly, when children exist in the elevator, the children can take off the elevator door when the elevator is in operation and goes up and down, and the elevator door cannot be taken off when seeing that the children are not good at; the elevator door can be opened by children when the locking device is not arranged on the elevator door, so that the elevator stops due to faults, even children fall off the elevator due to the fact that the elevator door is opened, and the elevator can start to run when the elevator door is not closed.
(II) technical scheme
In order to realize the purposes of automatically locking the elevator door when the elevator runs and goes up and down, automatically unlocking the elevator door when the elevator stops going up and down and locking the lifting device of the elevator, the invention provides the following technical scheme: an automatic locking device of an elevator door comprises a bracket, wherein the top of the bracket is rotationally connected with a lifting wheel, the right side surface of the lifting wheel is fixedly connected with a limiting wheel, the left side surface of the lifting wheel is fixedly connected with a power generation wheel, the surface of the power generation wheel is provided with a conductive wire, the outer side of the power generation wheel is provided with a permanent magnet, the lower side of the limiting wheel is provided with a limiting rod, the surface of the limiting rod is provided with a spring, the lower end of the limiting rod is rotatably connected with the right end of the connecting rod, the left end of the connecting rod is rotatably connected with the right end of the control rod, the surface of the bracket is fixedly connected with a slideway, the interior of the slideway is connected with a slide block in a sliding way, the upper side of the slide block is provided with an electromagnetic soft iron, the outer side of the slideway is provided with a power shaft, the surface of the power shaft is fixedly connected with one end of a power rod, and the other end of the power rod is rotatably connected with one end of a matching rod.
Preferably, the lifting wheel is in transmission connection with an external elevator lifting device; the limiting wheel and the lifting wheel are concentric.
Preferably, the number of the conducting wires is two, wherein one conducting wire is wound on the surface of the power generation wheel, and the other conducting wire is wound on the surface of the electromagnetic soft iron.
Preferably, there are two permanent magnets, and the two permanent magnets are symmetrical about the power generation wheel, and opposite surfaces are opposite magnetic poles and are fixedly connected with the bracket.
Preferably, a fixing device is arranged on the outer side of the limiting rod, the limiting rod is connected with the fixing device in a sliding mode, the fixing device is fixedly connected with the support, and a protrusion is arranged on the surface of the limiting rod and positioned on the upper side of the fixing device; the springs are two in number, one of which is disposed between the protrusion of the restriction lever and the fixing means.
Preferably, the number of the control rods is two, one control rod is rotatably connected with the left end of the connecting rod and is in sliding connection with the bracket through a fixing device, and the left end of the control rod is in contact with the sliding block; the other one is arranged on the upper side of the sliding block and is in sliding connection with the sliding rail through a fixing device, a magnet is arranged at the upper end of the control rod, the upper surface of the magnet shows an N pole, and another spring is arranged between the magnet and the fixing device and is in a compressed state.
Preferably, the upper surface of the sliding block is provided with a groove, and the groove is in contact fit with a control rod on the upper side of the sliding block; the slide block is part of an outer elevator door.
Preferably, the lower end of the electromagnetic soft iron shows an N pole after being magnetized.
Preferably, the power shaft is connected with a power source of an external elevator door; the other end of the matching rod is rotatably connected with the surface of the sliding block.
(III) advantageous effects
Compared with the prior art, the invention provides an automatic locking device of an elevator door, which has the following beneficial effects:
1. the automatic locking device of the elevator door has the advantages that the effect of automatically locking the sliding block on the elevator door when the lifting wheel rotates and automatically unlocking the sliding block on the elevator door when the lifting wheel stops rotating is achieved, and meanwhile, the effect of locking the limiting wheel on the lifting wheel is achieved through the matched use of the lifting wheel, the limiting wheel, the power generation wheel, the conductive wire, the permanent magnet, the limiting rod, the spring, the connecting rod, the control rod, the slide way, the sliding block, the electromagnetic soft iron, the power shaft, the power rod and the matching rod.
2. The automatic locking device of the elevator door has the advantages that the double locking device is used for automatically locking the sliding block on the elevator door when the elevator runs, namely, the lifting wheel rotates, so that the elevator door cannot be opened, and the sliding block on the elevator door can move to cause the accidental opening of the elevator door in the lifting process of the elevator, thereby causing the elevator fault, threatening the life safety of passengers and improving the safety performance of the elevator.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial right side view of the elevator wheel of FIG. 1 in accordance with the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 1 in accordance with the present invention;
FIG. 4 is a schematic view of the slider of FIG. 1 according to the present invention moving.
In the figure: 1. a support; 2. a lifting wheel; 3. a limiting wheel; 4. a power generation wheel; 5. a conductive wire; 6. a permanent magnet; 7. a restraining bar; 8. a spring; 9. a connecting rod; 10. a control lever; 11. a slideway; 12. a slider; 13. electromagnetic soft iron; 14. a power shaft; 15. a power rod; 16. a mating rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an automatic locking device for an elevator door comprises a bracket 1, a lifting wheel 2 is rotatably connected to the top of the bracket 1, a limiting wheel 3 is fixedly connected to the right side surface of the lifting wheel 2, a power generation wheel 4 is fixedly connected to the left side surface of the lifting wheel 2, a conductive wire 5 is arranged on the surface of the power generation wheel 4, a permanent magnet 6 is arranged outside the power generation wheel 4, a limiting rod 7 is arranged below the limiting wheel 3, a spring 8 is arranged on the surface of the limiting rod 7, the lower end of the limiting rod 7 is rotatably connected to the right end of a connecting rod 9, the left end of the connecting rod 9 is rotatably connected to the right end of a control rod 10, a slideway 11 is fixedly connected to the surface of the bracket 1, a sliding block 12 is slidably connected to the inside of the slideway 11, an electromagnetic soft iron 13 is arranged above the sliding block 12, a power shaft 14 is, the other end of the power rod 15 is rotatably connected with one end of a matching rod 16.
Wherein, the lifting wheel 2 is in transmission connection with an external elevator lifting device; the limiting wheel 3 and the lifting wheel 2 are concentric.
And two conducting wires 5 are arranged, wherein one conducting wire is wound on the surface of the power generation wheel 4, and the other conducting wire is wound on the surface of the electromagnetic soft iron 13.
The two permanent magnets 6 are symmetrical about the power generation wheel 4, opposite surfaces of the two permanent magnets are opposite magnetic poles, and the two permanent magnets are fixedly connected with the bracket 1.
A fixing device is arranged on the outer side of the limiting rod 7, the limiting rod 7 is connected with the fixing device in a sliding mode, the fixing device is fixedly connected with the support 1, and a protrusion is arranged on the surface of the limiting rod 7 and is positioned on the upper side of the fixing device; the springs 8 are two in number, one of the springs 8 being disposed between the projection of the restricting lever 7 and the fixing means.
Two control rods 10 are provided, one of the two control rods is rotatably connected with the left end of the connecting rod 9 and is slidably connected with the bracket 1 through a fixing device, and the left end of the control rod is contacted with the sliding block 12; the other is arranged on the upper side of the sliding block 12 and is connected with the slideway 11 in a sliding way through a fixing device, the upper end of the control rod 10 is provided with a magnet, the upper surface of the magnet shows an N pole, another spring 8 is arranged between the magnet and the fixing device, and the spring 8 is in a compressed state; the upper surface of the sliding block 12 is provided with a groove which is in contact fit with the control rod 10 on the upper side of the sliding block 12; the slide 12 is part of an outer elevator door.
The lower end of the electromagnetic soft iron 13 shows an N pole after being magnetized.
The power shaft 14 is connected with a power source of an external elevator door; the other end of the engagement lever 16 is rotatably connected to the surface of the slider 12.
Procedure and principle of operation the initial state of the automatic locking device of the elevator door is as claimed and in figures 1-3.
When the elevator runs and goes up and down, the lifting wheel 2 rotates to drive the power generation wheel 4 fixedly connected with the lifting wheel to rotate, the conducting wire 5 wound on the power generation wheel 4 rotates along with the lifting wheel, two permanent magnets 6 are arranged on two sides of the conducting wire 5, opposite surfaces of the two permanent magnets 6 are opposite magnetic poles, a magnetic field is formed between the two permanent magnets, and current is formed in the conducting wire 5 according to the electromagnetic induction phenomenon.
The conductive wire 5 on the power generation wheel 4 is electrically connected with the conductive wire 5 on the electromagnetic soft iron 13, namely, the conductive wire 5 on the electromagnetic soft iron 13 has current, according to the electromagnetic induction law, a magnetic field is generated around the conductive wire 5 on the electromagnetic soft iron 13 to magnetize the electromagnetic soft iron 13, the lower side of the magnetized electromagnetic soft iron 13 shows an N pole, the top of the control rod 10 on the lower side is provided with a magnet, the upper side of the magnet shows an N pole, according to the principle that like poles repel each other, the control rod 10 has a downward movement trend, namely, the lower end of the control rod 10 is inserted into a limiting groove on the sliding block 12, the sliding block 12 cannot move, the sliding block 12 is a part of the elevator door, the sliding block 12 cannot move, namely, the elevator door is locked and cannot.
When the elevator stops lifting, the lifting wheel 2 does not rotate, namely, no current exists in the conducting wire 5, namely, the electromagnetic soft iron 13 has no magnetism and cannot repel the magnet on the control rod 10 on the lower side of the electromagnetic soft iron, and the control rod 10 is also provided with a spring 8, and the spring 8 is in a compressed state, so that the control rod 10 moves upwards under the action of the spring 8 on the control rod and is out of fit with the sliding block 12, and the sliding block 12 can move, namely, the elevator door can be opened.
Then the power shaft 14 is controlled to rotate, the power rod 15 fixedly connected with the power shaft 14 rotates along with the power shaft, the matching rod 16 is driven to move, and the sliding block 12 rotationally connected with the matching rod 16 is driven to move leftwards, namely the elevator door is opened.
When the sliding block 12 moves leftwards, the sliding block loses contact with the control rod 10 on the right side, namely the control rod 10 can move leftwards, the limiting rod 7 is matched with the control rod 10 on the right side of the sliding block 12 through the connecting rod 9, namely the limiting rod 7 can move upwards, and the spring 8 on the limiting rod 7 is in a stretching state at the moment, so that the limiting rod 7 moves upwards under the action of the spring 8 to be matched with the limiting wheel 3, the limiting wheel 3 cannot rotate, namely the lifting wheel 2 fixedly connected with the limiting wheel 3 cannot rotate, namely the elevator cannot lift.
The process can refer to fig. 3.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an automatic locking device of lift-cabin door, includes support (1), its characterized in that: the top of the support (1) is rotatably connected with a lifting wheel (2), the right side surface of the lifting wheel (2) is fixedly connected with a limiting wheel (3), the left side surface of the lifting wheel (2) is fixedly connected with a power generation wheel (4), the surface of the power generation wheel (4) is provided with a conductive wire (5), the outer side of the power generation wheel (4) is provided with a permanent magnet (6), the lower side of the limiting wheel (3) is provided with a limiting rod (7), the surface of the limiting rod (7) is provided with a spring (8), the lower end of the limiting rod (7) is rotatably connected with the right end of a connecting rod (9), the left end of the connecting rod (9) is rotatably connected with the right end of a control rod (10), the surface of the support (1) is fixedly connected with a slide way (11), the inner part of the slide way (11) is slidably connected with a slide block (12), and the upper, the outside of slide (11) is provided with power shaft (14), the fixed surface of power shaft (14) is connected with the one end of power pole (15), the other end swivelling joint of power pole (15) has the one end of cooperation pole (16).
2. The automatic locking device of elevator door according to claim 1, characterized in that: the lifting wheel (2) is in transmission connection with an external elevator lifting device; the limiting wheel (3) and the lifting wheel (2) are concentric.
3. The automatic locking device of elevator door according to claim 1, characterized in that: and two conductive wires (5) are arranged, wherein one conductive wire is wound on the surface of the power generation wheel (4), and the other conductive wire is wound on the surface of the electromagnetic soft iron (13).
4. The automatic locking device of elevator door according to claim 1, characterized in that: the two permanent magnets (6) are symmetrical about the power generation wheel (4), and opposite surfaces of the two permanent magnets are opposite magnetic poles and are fixedly connected with the support (1).
5. The automatic locking device of elevator door according to claim 1, characterized in that: a fixing device is arranged on the outer side of the limiting rod (7), the limiting rod (7) is in sliding connection with the fixing device, the fixing device is fixedly connected with the support (1), and a protrusion is arranged on the surface of the limiting rod (7) and positioned on the upper side of the fixing device; the springs (8) are two in number, wherein one spring (8) is arranged between the protrusion of the limiting rod (7) and the fixing device.
6. The automatic locking device of elevator door according to claim 1, characterized in that: two control rods (10) are provided, one control rod is rotatably connected with the left end of the connecting rod (9) and is in sliding connection with the bracket (1) through a fixing device, and the left end of the control rod is in contact with the sliding block (12); the other is arranged on the upper side of the sliding block (12) and is connected with the slideway (11) in a sliding way through a fixing device, the upper end of the control rod (10) is provided with a magnet, the upper surface of the magnet shows an N pole, another spring (8) is arranged between the magnet and the fixing device, and the spring (8) is in a compressed state; the upper surface of the sliding block (12) is provided with a groove, and the groove is in contact fit with the control rod (10) on the upper side of the sliding block (12); the slider (12) is part of an external elevator door.
7. The automatic locking device of elevator door according to claim 1, characterized in that: the lower end of the electromagnetic soft iron (13) shows an N pole after being magnetized.
8. The automatic locking device of elevator door according to claim 1, characterized in that: the power shaft (14) is connected with a power source of an external elevator door; the other end of the matching rod (16) is rotationally connected with the surface of the sliding block (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011051311.2A CN112249845A (en) | 2020-09-29 | 2020-09-29 | Automatic locking device of elevator door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011051311.2A CN112249845A (en) | 2020-09-29 | 2020-09-29 | Automatic locking device of elevator door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112249845A true CN112249845A (en) | 2021-01-22 |
Family
ID=74233969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011051311.2A Withdrawn CN112249845A (en) | 2020-09-29 | 2020-09-29 | Automatic locking device of elevator door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112249845A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5690189A (en) * | 1994-10-31 | 1997-11-25 | Kone Oy | Apparatus and method for locking and unlocking the door of an elevator car |
| CN101734536A (en) * | 2010-01-28 | 2010-06-16 | 允成机电科技(上海)有限公司 | Elevator door lock device of vertical sliding door |
| CN105270971A (en) * | 2014-06-05 | 2016-01-27 | 上海三菱电梯有限公司 | Elevator car mechanical door lock, elevator door motor and car door system |
| CN109720971A (en) * | 2017-10-27 | 2019-05-07 | 上海三菱电梯有限公司 | The elevator cage door machine device of included car door lock |
| CN111039133A (en) * | 2018-10-12 | 2020-04-21 | 奥的斯电梯公司 | Elevator landing door unlocking system |
-
2020
- 2020-09-29 CN CN202011051311.2A patent/CN112249845A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5690189A (en) * | 1994-10-31 | 1997-11-25 | Kone Oy | Apparatus and method for locking and unlocking the door of an elevator car |
| CN101734536A (en) * | 2010-01-28 | 2010-06-16 | 允成机电科技(上海)有限公司 | Elevator door lock device of vertical sliding door |
| CN105270971A (en) * | 2014-06-05 | 2016-01-27 | 上海三菱电梯有限公司 | Elevator car mechanical door lock, elevator door motor and car door system |
| CN109720971A (en) * | 2017-10-27 | 2019-05-07 | 上海三菱电梯有限公司 | The elevator cage door machine device of included car door lock |
| CN111039133A (en) * | 2018-10-12 | 2020-04-21 | 奥的斯电梯公司 | Elevator landing door unlocking system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204782488U (en) | Automatically -controlled door based on PLC control system | |
| CN206158446U (en) | Locking mechanism's stopper sliding door in middle of being provided with | |
| CN112249845A (en) | Automatic locking device of elevator door | |
| CN104631957B (en) | Rail transit shielding door locking and unlocking device | |
| CN116316159A (en) | Anti-electric shock control power distribution switch cabinet | |
| US2944810A (en) | Door operating mechanism | |
| CN107740652A (en) | Singly open sliding door system | |
| CN107724854B (en) | Double-opening sliding door system | |
| CN207728211U (en) | Singly open sliding door system | |
| CN112312701A (en) | Safety cabinet door device for electric power electrical cabinet | |
| CN202706704U (en) | Door lock mechanism of car door | |
| CN207761495U (en) | Singly open sliding plug door system | |
| CN207686501U (en) | Double open plug door system | |
| CN206477685U (en) | A kind of magnetic coded electronic key unblocks the electric control structure of locking device | |
| CN213025960U (en) | High-voltage direct-current contactor capable of improving insulating property | |
| CN220264868U (en) | Self-driven hall door locking device of household ladder | |
| CN218754439U (en) | Power assembly and driving mechanism suitable for elevator door motor and door motor | |
| CN203813300U (en) | Switch cabinet valve device | |
| CN204552317U (en) | A kind of screen door in rail transit locking and tripper | |
| CN216553449U (en) | Transformer substation and door lock mechanism thereof | |
| CN114242485B (en) | High-safety interlocking mechanism for ring main unit | |
| CN112490939A (en) | Power maintenance safety protection auxiliary device | |
| CN2276299Y (en) | Low-noise electric pelmet | |
| CN213622908U (en) | Lifting hook anti-falling device for workshop crane | |
| CN219792102U (en) | Synchronous door vane device of elevator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210122 |
|
| WW01 | Invention patent application withdrawn after publication |