CN113944377B - Emergency door opening device and method for article storage cabinet - Google Patents
Emergency door opening device and method for article storage cabinet Download PDFInfo
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- CN113944377B CN113944377B CN202111157192.3A CN202111157192A CN113944377B CN 113944377 B CN113944377 B CN 113944377B CN 202111157192 A CN202111157192 A CN 202111157192A CN 113944377 B CN113944377 B CN 113944377B
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000002955 isolation Methods 0.000 claims abstract description 49
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000007726 management method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B53/00—Operation or control of locks by mechanical transmissions, e.g. from a distance
- E05B53/003—Operation or control of locks by mechanical transmissions, e.g. from a distance flexible
- E05B53/005—Bowden
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/22—Means for operating or controlling lock or fastening device accessories, i.e. other than the fastening members, e.g. switches, indicators
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B19/00—Keys; Accessories therefor
- E05B19/20—Skeleton keys; Devices for picking locks; Other devices for similar purposes ; Means to open locks not otherwise provided for, e.g. lock pullers
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0002—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/06—Controlling mechanically-operated bolts by electro-magnetically-operated detents
- E05B47/0607—Controlling mechanically-operated bolts by electro-magnetically-operated detents the detent moving pivotally or rotatively
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B63/00—Locks or fastenings with special structural characteristics
- E05B63/14—Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other
- E05B63/143—Arrangement of several locks, e.g. in parallel or series, on one or more wings
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/44—Locks or fastenings for special use for furniture
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B2047/0084—Key or electric means; Emergency release
- E05B2047/0086—Emergency release, e.g. key or electromagnet
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Lock And Its Accessories (AREA)
Abstract
The application discloses emergent door opening device of article storage cabinet and method, the device includes: the lock frame is arranged in the cabinet body along the height direction of the cabinet body; the electromagnetic locks are distributed in the lock frame along the vertical direction, each electromagnetic lock is locked with the electromagnetic lock buckle on the corresponding cabinet door in a one-to-one correspondence manner, and each electromagnetic lock is provided with an electromagnetic lock emergency pull rod penetrating out of the electromagnetic lock shell and extending out of the electromagnetic lock shell; the emergency wire assembly is arranged at the top of the cabinet body and comprises a plurality of transversely arranged electromagnetic lock emergency wire heads, a plurality of electromagnetic lock emergency wires and a plurality of isolation holes for the single electromagnetic lock emergency wires to pass through; one end of each electromagnetic lock emergency stay wire is connected with an electromagnetic lock emergency stay wire head, the other end of each electromagnetic lock emergency stay wire passes through an isolation hole and then is fixed with the tail end of an electromagnetic lock emergency stay wire of an electromagnetic lock, and the tail end moves upwards under the traction of the electromagnetic lock emergency stay wire to trigger the unlocking of the electromagnetic lock. The emergency unlocking device can control emergency unlocking of single or multiple electromagnetic locks, and is simple in structure and convenient to unlock.
Description
Technical Field
The invention relates to the technical field of article storage cabinets, in particular to an emergency door opening device and method for an article storage cabinet.
Background
The utility model provides an article storage cabinet, is a storage cabinet that can hold article, for example express delivery cabinet, filing cabinet etc. generally includes the cabinet body and cabinet door, and the cabinet body is internal to be equipped with a plurality of mutually independent storage chamber, and every storage chamber can correspond an independent cabinet door, locks the cabinet door with the electromagnetic lock on every cabinet door, controls opening of electromagnetic lock through controlgear. However, when the control device fails accidentally or the electromagnetic locks fail, the control device cannot control the opening of each electromagnetic lock, so that the cabinet door cannot be opened.
To the situation of above-mentioned control inefficacy, need set up an emergent door opener to the cabinet for when the cabinet door lock of cabinet leads to it unable to open under the circumstances that appears unexpected inefficacy, can open through emergent door opener, then maintain or change to problematic part, make the cabinet resume normal work.
Applicant discloses in patent CN112167843a an emergency door opening device for file cabinets. As shown in fig. 1 and 2, fig. 1 is a schematic view of an unused state of the electromagnetic lock emergency opening device 5, and fig. 2 is a schematic view of a used state of the electromagnetic lock emergency opening device 5. When the emergency pull wire head 53 is pulled, the emergency pull wire head 53 can drive the emergency pull wire 54, so that the emergency pull wire 54 pulls the emergency pressing plate 51 upwards, the emergency pressing plate 51 rotates clockwise, one end of the emergency pressing plate 51 moves upwards, the other end of the emergency pressing plate 51 moves downwards, the other end of the emergency pressing plate 51 can press the electromagnetic lock emergency rod 32 downwards, and accordingly the original electromagnetic lock 3 is opened. The emergency pressure plate spring 55 is used to provide a downward pulling force to the emergency pressure plate 51 so that the emergency pressure plate 51 can be reset. The structure needs to be opened by means of the emergency pressing plate 51, the emergency pressing plate 51 presses the electromagnetic lock emergency rod 32 downwards to enable the electromagnetic lock 3 to be opened, the structure is relatively complex, and the maintenance cost is high. Other emergency door opening devices in the prior art have the same problems.
Accordingly, there remains a need for improvements in emergency door opening devices in article storage bins.
Disclosure of Invention
The invention aims to provide an emergency door opening device and an emergency door opening method for an article storage cabinet, which are used for solving the problems in the technical background.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the first aspect of the application provides an emergency door opening device of an article storage cabinet, the article storage cabinet comprises a cabinet body, a plurality of independent unit grids are arranged in the cabinet body from top to bottom, each unit grid corresponds to one cabinet door, and each cabinet door is provided with an electromagnetic lock catch; the emergency door opening device comprises:
the lock frame is arranged in the cabinet body along the height direction of the cabinet body;
the electromagnetic locks are distributed in the lock frame along the vertical direction, each electromagnetic lock is locked with the electromagnetic lock catches on the corresponding cabinet door in a one-to-one correspondence manner, and each electromagnetic lock is provided with an electromagnetic lock emergency pull rod penetrating out of the electromagnetic lock shell and extending out of the electromagnetic lock shell;
the emergency stay wire assembly is arranged at the top of the cabinet body and comprises a plurality of transversely arranged electromagnetic lock emergency stay wire heads, a plurality of electromagnetic lock emergency stay wires and a plurality of isolation holes for the single electromagnetic lock emergency stay wires to pass through, and the isolation holes are mutually isolated; one end of each electromagnetic lock emergency stay wire is connected with one electromagnetic lock emergency stay wire head, the other end of each electromagnetic lock emergency stay wire penetrates through an isolation hole and then is fixed with the tail end of an electromagnetic lock emergency stay rod of an electromagnetic lock, and the tail end of the electromagnetic lock emergency stay rod moves upwards under the traction of the electromagnetic lock emergency stay wire to trigger the electromagnetic lock to be unlocked.
Preferably, the electromagnetic lock is detachably connected with the lock frame.
Preferably, the lock frame is in a column shape, the upper end of the lock frame is provided with an opening, and the opening is communicated to the top of the cabinet body.
Preferably, the tail end of the electromagnetic lock emergency pull rod of any electromagnetic lock is correspondingly arranged with an electromagnetic lock emergency pull wire head through an electromagnetic lock emergency pull wire.
Preferably, the power line of the electromagnetic lock passes through the top opening of the cabinet body along the inner wall of the lock frame.
Preferably, the number of the electromagnetic lock emergency wire heads is the same as the number of the isolation holes, and one electromagnetic lock emergency wire head corresponds to one isolation hole.
Preferably, the number of the isolation holes is the same as the number of the electromagnetic locks arranged on the lock frame, and one isolation hole corresponds to one electromagnetic lock installation position.
Preferably, the emergency wire assembly further comprises: the horizontal end of the L-shaped plate is fixedly arranged at the top of the cabinet body, a plurality of electromagnetic lock emergency wire heads are transversely arranged on the upper surface of the L-shaped plate, the electromagnetic lock emergency wire heads are cylindrical, and a plurality of isolation holes are uniformly formed in the vertical end of the L-shaped plate in a penetrating mode along the length direction of the L-shaped plate in an equidistance mode; one end of each electromagnetic lock emergency stay wire is wound on the electromagnetic lock emergency stay wire head, and the other end of each electromagnetic lock emergency stay wire penetrates through one isolation hole and stretches into the lock frame from the top of the cabinet body to be fixed with the tail end of an electromagnetic lock emergency stay rod.
More preferably, the isolation holes are bar-shaped holes, and the length direction of the bar-shaped holes is consistent with the height direction of the vertical ends of the L-shaped plates.
More preferably, the emergency wire assembly further comprises: the horizontal layer board, the horizontal layer board is located the below of L shaped plate, the surface of horizontal layer board, along the length direction of L shaped plate be equipped with a plurality of line holes that run through, every the line hole corresponds an electromagnetic lock installation position in the lock frame, every the emergent other end of acting as go-between of electromagnetic lock passes the isolation hole on the L shaped plate, and pass line hole on the horizontal layer board stretches into from the top of the cabinet body with the tail end fixation of an electromagnetic lock emergent pull rod in the lock frame.
Further, the emergency pull wire assembly further comprises: the fixing seat, the horizontal layer board connect in the top of fixing seat, the horizontal layer board pass through the fixing seat install in the top of the cabinet body.
Further, the wire hole on the horizontal supporting plate is opposite to the upper end opening of the lock frame.
Preferably, the emergency door opening device further comprises: and the intelligent control module is electrically connected with each electromagnetic lock.
More preferably, the emergency door opening device further comprises: and each cabinet door is respectively provided with a digital display tube, and the digital display tubes are electrically connected with the intelligent control module and used for prompting the opening and closing states of the electromagnetic locks.
Preferably, the emergency door opening device further comprises: the upper cover is arranged at the top of the cabinet body, a groove is arranged at the top of the cabinet body, the emergency stay wire assembly is arranged in the groove, and the upper cover seals the groove.
More preferably, the upper cover is detachably connected with the groove.
More preferably, a mechanical lock is arranged on the upper cover.
Preferably, the emergency door opening device further comprises:
the rear door is arranged at the rear side of the cabinet body of the article storage cabinet, and a rear door lock is arranged on the rear door;
the emergency holes are arranged on the side wall of the lock frame facing the rear door, and each emergency hole is opposite to the tail end of one electromagnetic lock emergency pull rod;
the emergency pry bar is used for being inserted into the emergency hole, and the tail end of the electromagnetic lock emergency pull bar is lifted up to unlock the electromagnetic lock.
More preferably, the back door is a left-right double door back door.
More preferably, the emergency crowbar is in the shape of a straight bar.
More preferably, the outer end of the emergency pry bar movably penetrates out of the emergency hole in the side wall of the lock frame to expose the tail end of the electromagnetic lock emergency pull rod of the electromagnetic lock corresponding to the emergency hole.
More preferably, the outer end of the emergency pry bar is also provided with a hand-held handle.
More preferably, the insertion end of the emergency pry bar extends below the tail end of the electromagnetic lock emergency pull bar.
In a preferred embodiment, the electromagnetic lock comprises: an electromagnetic lock shell, and a clamping hook, a stop block, an electromagnet and a torsion spring which are arranged in the electromagnetic lock shell;
a notch for inserting the electromagnetic lock catch on the cabinet door is formed in one side edge of the electromagnetic lock shell;
the clamping hook is rotationally connected into the electromagnetic lock shell through a first rotating shaft, a first clamping groove is formed in the clamping hook, and a short arm and a long arm are respectively arranged on two sides of the first clamping groove;
the stop block is rotationally connected in the electromagnetic lock shell through a second rotating shaft, and a second clamping groove is formed in the stop block; the stop block is connected with the electromagnetic lock emergency pull rod at one end far away from the clamping hook, and the electromagnetic lock emergency pull rod penetrates out of the electromagnetic lock shell and extends out of the electromagnetic lock shell;
the electromagnetic lock comprises an electromagnetic lock emergency pull rod, a connecting rod, a reset spring and a connecting rod, wherein the electromagnetic is connected with an external power supply through a wire, one end of the electromagnetic is provided with the connecting rod, the connecting rod is provided with a through hole, the connecting rod is sleeved on the electromagnetic lock emergency pull rod through the through hole, and the connecting rod is also sleeved with the reset spring for driving the electromagnetic to reset;
one end of the torsion spring is connected with the electromagnetic lock shell, and the other end of the torsion spring is connected with the clamping hook;
when the door is closed, an electromagnetic lock catch on the cabinet door passes through a notch of the electromagnetic lock shell to be clamped with a first clamping groove of the clamping hook, and the end part of a long arm of the clamping hook is clamped in a second clamping groove of the stop block; when unlocking, the second clamping groove of the stop block is separated from the long arm of the clamping hook, and the clamping hook resets under the action of the torsion spring to eject the electromagnetic lock catch out of the notch.
A second aspect of the present application provides an emergency door opening method for an article storage cabinet, applying an emergency door opening device for an article storage cabinet described in the first aspect of the present application, the method includes:
the lock frame is arranged in the cabinet body of the article storage cabinet along the height direction of the cabinet body;
transversely arranging a plurality of electromagnetic lock emergency wire heads at the top of the cabinet body, and fixing an electromagnetic lock emergency wire on each electromagnetic lock emergency wire head;
after the free end of each electromagnetic lock emergency pull wire passes through an isolation hole, the free end of each electromagnetic lock emergency pull wire extends into the lock frame from the top of the cabinet body and is fixedly connected with the tail end of an electromagnetic lock emergency pull rod of an electromagnetic lock, each electromagnetic lock emergency pull wire corresponds to one electromagnetic lock, and all electromagnetic lock emergency pull wires passing through the isolation holes are parallel and isolated from each other;
the specified electromagnetic lock emergency pull wire head is manually pulled at the top of the cabinet body, the electromagnetic lock emergency pull wire head drives the electromagnetic lock emergency pull wire fixed by the electromagnetic lock emergency pull wire head to move upwards, and then one end of the electromagnetic lock emergency pull rod on the electromagnetic lock corresponding to the electromagnetic lock emergency pull wire is driven to move upwards, so that the electromagnetic lock is unlocked.
Preferably, the top of the cabinet body is further provided with a plurality of wire holes, each wire hole corresponds to one isolation hole, and each wire hole corresponds to one electromagnetic lock installation position, and the method further comprises:
the free end of each electromagnetic lock emergency pull wire passes through an isolation hole respectively, and then passes through the corresponding wire hole, and then stretches into the lock frame from the opening at the top of the cabinet body to be fixedly connected with the tail end of an electromagnetic lock emergency pull rod.
Preferably, the emergency door opening device further comprises: the rear door is arranged at the rear side of the cabinet body of the article storage cabinet, a rear door lock is arranged on the rear door, a plurality of emergency holes capable of being movably inserted into the emergency crowbar are formed in the side wall of the lock frame facing the rear door, and each emergency hole is opposite to the tail end of one electromagnetic lock emergency pull rod; the method further comprises the steps of:
unlocking a rear door lock of the cabinet body, and opening the rear door;
inserting an emergency pry bar into the emergency hole, wherein the insertion end of the emergency pry bar extends to the lower part of the tail end of an electromagnetic lock emergency pull bar opposite to the emergency hole;
and adjusting one end of the emergency pry bar exposed out of the emergency hole, so that the inserting end of the emergency pry bar lifts the tail end of the emergency pull rod of the electromagnetic lock, and the electromagnetic lock is unlocked.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
1) The emergency door opening device of the application lengthens an electromagnetic lock emergency pull rod of the electromagnetic lock, so that the electromagnetic lock emergency pull rod penetrates out of the electromagnetic lock shell and extends out of the electromagnetic lock shell.
2) The emergency door opening device adopts a mode that a single electromagnetic lock is used for controlling an electromagnetic lock independently, realizes independent control of each electromagnetic lock, can perform manual unlocking aiming at faults of single or multiple electromagnetic locks, and has the characteristics of singleness and targeted control.
3) The emergent acting as go-between of every electromagnetic lock emergency pull wire of every electromagnetic lock head is fixed in this application, and has carried out one-to-one with the emergent acting as go-between of electromagnetic lock through the isolation hole, is favorable to the emergent acting as go-between of electromagnetic lock that the identification is what layer of cabinet body corresponds, and the setting of isolation hole makes the emergent acting as go-between of each electromagnetic lock be difficult for twining together moreover, has convenient to use and difficult wearing and tearing, long service life's characteristics.
4) The emergency door opening device can further comprise a rear door, a plurality of emergency holes are reserved in the side wall of the lock frame facing the rear door, and each emergency hole corresponds to the tail end of an electromagnetic lock emergency pull rod. When the emergency stay wire of the electromagnetic lock breaks or falls off, the rear door of the cabinet body can be opened, the emergency crow bar is inserted into the emergency hole, and the tail end of the emergency stay wire of the electromagnetic lock is lifted up, so that the emergency door can be opened.
5) The emergent door opener's of this application article storage cabinet is installed in the cooperation, can carry out manual unblock through emergent door opener when the unable automatically controlled unblock of electromagnetic lock breaks down, and the emergent door opener of this application sets up in the cabinet body top of article storage cabinet and the internal lock frame of cabinet, installs and conceals, does not influence the whole aesthetic property of article storage cabinet, has convenient to use, is convenient for maintain and the pleasing to the eye characteristics of appearance.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application, illustrate and explain the application and are not to be construed as limiting the application. In the drawings:
FIG. 1 is a schematic view of the emergency door opening device of the filing cabinet of the prior application in a non-use state;
FIG. 2 is a schematic view of the emergency door opening device of the filing cabinet of the prior application in a use state;
FIG. 3 is a front view of an article storage bin to which the emergency door opening device of the present application is applied;
FIG. 4 is a perspective view of an article storage bin to which the emergency door opening device of the present application is applied;
FIG. 5 is an enlarged view of a portion of portion A of FIG. 4 (emergency pull cord assembly);
FIG. 6 is a schematic view of the emergency door opening device of the present application in an unused state;
FIG. 7 is a schematic view of the emergency door opening device of the present application in a use state;
FIG. 8 is a schematic structural view of an electromagnetic lock in a closed state according to a preferred embodiment of the present application;
FIG. 9 is a schematic illustration of an electromagnetic lock in an unlocked state according to a preferred embodiment of the present application;
FIG. 10 is a schematic view of the structure of the preferred embodiment of the present application in an open state of the rear door of the article storage bin;
FIG. 11 is another schematic view of the structure of the rear door of the article storage bin of the preferred embodiment of the present application in an open condition (exposing the interior portion of the lock frame);
fig. 12 is a partial enlarged view of a portion B in fig. 11.
Legend description:
1. a cabinet body; 11. a cabinet door; 12. an upper cover; 13. a rear door;
2. an emergency door opening device; 21. a lock frame; 22. an emergency stay wire assembly; 2201. electromagnetic lock emergency wire drawing head; 2202. emergency stay wire of electromagnetic lock; 2203. an L-shaped plate; 2204. an isolation hole; 2205. a horizontal pallet; 2206. a wire hole; 2207. a fixing seat; 23. a digital display tube; 24. a mechanical lock; 25. a rear door lock; 26. an emergency hole; 27. an emergency crowbar;
3. an original electromagnetic lock; 32. an electromagnetic lock emergency rod;
4. an electromagnetic lock catch;
5. an electromagnetic lock emergency opening device; 51. an emergency pressing plate; 52. an emergency pressing plate rotating shaft; 53. an emergency wire end; 54. emergency stay wire; 55. an emergency pressure plate spring;
6. an electromagnetic lock; 61. an electromagnetic lock emergency pull rod; 62. a connecting rod; 63. a clamping hook; 6301. a first clamping groove; 64. a first rotating shaft; 65. a stopper; 6501. a second clamping groove; 66. a second rotating shaft; 67. a torsion spring; 68. an electromagnet; 69. and a return spring.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and more obvious, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It is noted that the terms "first," "second," and the like in the description and claims of the present invention and in the foregoing figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order, and it is to be understood that the data so used may be interchanged where appropriate. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Embodiment one:
the emergency door opening device for the article storage cabinet is applied to the article storage cabinet. Fig. 3 and 4 show a structural example of an article storage cabinet. As shown in fig. 3 and fig. 4, an article storage cabinet includes a cabinet body 1, a plurality of independent cells are arranged in the cabinet body 1 from top to bottom, each cell is a storage cavity, each cell is located on the front surface of the cabinet body 1 and is provided with a storage cavity opening, each cell corresponds to a cabinet door 11 for closing the storage cavity opening, and each cabinet door 11 is respectively provided with an electromagnetic lock catch 4.
The emergency door opening device of the present embodiment includes a lock frame 21, a plurality of electromagnetic locks 6, and an emergency wire assembly 22.
The lock frame 21 is disposed inside the cabinet body 1 along the height direction of the cabinet body 1, for example, may be disposed on a side wall inside the cabinet body 1, or, as illustrated in fig. 3 and fig. 4, the lock frame 21 may also be disposed in the center inside the cabinet body 1, to divide the storage cavity of each layer of the cabinet body 1 into two left and right cells, each corresponding to one cabinet door 11, that is, the lock frame 21 divides the cabinet body 1 into a plurality of cells distributed in two vertical rows. The lock frame 21 is in a column shape, the upper end of the lock frame is provided with an opening, and the opening is communicated to the top of the cabinet body 1. A plurality of electromagnetic locks 6 are distributed in the lock frame 21 along the vertical direction, and each electromagnetic lock 6 is provided with an electromagnetic lock emergency pull rod 61 which penetrates out of the electromagnetic lock shell and extends out of the electromagnetic lock shell, and each electromagnetic lock 6 is locked in one-to-one correspondence with the electromagnetic lock buckle 4 on the corresponding cabinet door 1. The power line of the electromagnetic lock 6 passes through the top opening of the cabinet body 1 along the inner wall of the lock frame 21. The electromagnetic locks 6 are detachably connected with the lock frame 21 so that the electromagnetic locks 6 can be taken out when the electromagnetic locks 6 fail, and then the electromagnetic locks 6 are replaced, and meanwhile, the installation of the electromagnetic locks 6 is also facilitated.
The emergency stay wire assembly 22 is arranged at the top of the cabinet body 1 and comprises a plurality of electromagnetic lock emergency stay wires 2201 which are transversely arranged, a plurality of electromagnetic lock emergency stay wires 2202 and a plurality of isolation holes 2204 which are used for allowing the single electromagnetic lock emergency stay wires 2202 to penetrate through, wherein the isolation holes 2204 are mutually isolated. One end of each electromagnetic lock emergency stay 2202 is connected with one electromagnetic lock emergency stay 2201, and the other end of each electromagnetic lock emergency stay 2202 passes through an isolation hole 2204 and then is fixed with the tail end of an electromagnetic lock emergency stay 61 of an electromagnetic lock 6. The tail end of the electromagnetic lock emergency pull rod 61 moves upwards under the traction of the electromagnetic lock emergency pull wire 2202 to trigger the electromagnetic lock 6 to unlock, and the corresponding cabinet door 11 can be opened.
Specifically, referring to FIG. 5, the emergency wire assembly 22 further includes an L-shaped plate 2203 and a horizontal pallet 2205. The horizontal end of L shaped plate 2203 is fixed set up in the top of cabinet body 1, and a plurality of transversely arranged on its upper surface electromagnetic lock emergent pull wire head 2201, electromagnetic lock emergent pull wire head 2201 is cylindric, the vertical end of L shaped plate 2203 evenly runs through along its length direction equidistance and is provided with a plurality of isolation holes 2204, isolation holes 2204 are the bar hole, the length direction of bar hole with the direction of height of the vertical end of L shaped plate 2203 is unanimous. The horizontal pallet 2205 is disposed below the L-shaped plate 2203, and a plurality of penetrating line holes 2206 are formed on the surface of the horizontal pallet 2205 along the length direction of the L-shaped plate 2203. The number of the electromagnetic lock emergency pull heads 2201 is the same as the number of the isolation holes 2204, and the number of the isolation holes 2204 is the same as the number of the wire holes 2206, namely, each electromagnetic lock emergency pull head 2201 corresponds to one electromagnetic lock emergency pull wire 2202, and each electromagnetic lock emergency pull wire 2202 corresponds to one isolation hole 2204 and one wire hole 2206. The wire holes 2206 on the horizontal supporting plate 2205 are opposite to the upper end opening of the lock frame 21, and each wire hole 2206 corresponds to one electromagnetic lock installation position in the lock frame 21. Each electromagnetic lock emergency wire 2202 corresponds to one electromagnetic lock 6. One end of each electromagnetic lock emergency stay 2202 is wound on an electromagnetic lock emergency pull head 2201, and the other end passes through a wire hole 2206 on a horizontal supporting plate 2205 corresponding to the isolation hole 2204 after passing through the isolation hole 2204 opposite to the electromagnetic lock emergency pull head 2201, and extends into the lock frame 21 from the top of the cabinet body 1 to be fixedly connected with the tail end of an electromagnetic lock emergency stay 61 on an electromagnetic lock installation position corresponding to the wire hole 2206. The electromagnetic lock emergency stay 2202 passing through the isolation hole 2204 are isolated from each other; the electromagnetic lock emergency wires 2202 are parallel to each other after passing through the wire holes 2206. In this embodiment, the emergent wire 2202 of acting as go-between of an electromagnetic lock is fixed to every electromagnetic lock emergency wire 2201, and the emergent wire 2202 of acting as go-between of electromagnetic lock has carried out one-to-one through the isolating hole 2204, and the emergent of each electromagnetic lock 6 of centralized unified management of being convenient for is opened the lock, is favorable to discerning the emergent wire 2202 of electromagnetic lock that corresponds of the electromagnetic lock 6 of which layer of cabinet body 1, and the setting up of isolating hole 2204 makes the emergent wire 2202 of each electromagnetic lock be difficult for twining together, has convenient to use and difficult wearing and tearing, long service life's characteristics.
In a preferred embodiment, the emergency wire assembly 22 further includes a fixing base 2207, the horizontal support plate 2205 is connected above the fixing base 2207, and the horizontal support plate 2205 is mounted on the top of the cabinet 1 through the fixing base 2207.
In a preferred embodiment, the emergency door opening device of the present embodiment further includes an intelligent control module (not shown in the figure), and the intelligent control module is electrically connected to each of the electromagnetic locks 6. In this embodiment, the electromagnetic locks 6 are mutually independent, and the opening of a single cabinet door 11 can be controlled by an intelligent control module (for example, an intelligent computer or an intelligent mobile phone), so that the phenomenon of management confusion caused by the simultaneous opening of a plurality of cabinet doors 11 is avoided. When the electromagnetic lock 6 fails, and the intelligent control module cannot control the electromagnetic lock 6 to be opened, the designated cabinet door 11 can be controlled to be opened by the emergency door opening device in the embodiment, so that the phenomenon that the cabinet body 1 is damaged to take out articles is avoided.
In a preferred embodiment, the emergency door opening device further includes a plurality of digital display tubes 23, each cabinet door 11 is provided with a digital display tube 23, each digital display tube 23 is electrically connected with the above-mentioned intelligent control module, and is used for prompting the open/close state of the electromagnetic lock 6 of the cabinet layer where the digital display tube 23 is located, and when the electromagnetic lock 6 is opened or not closed, the digital display tube 23 can prompt.
FIG. 6 is a schematic view of the emergency door opening device of the present application in an unused state; fig. 7 is a schematic structural view of the emergency door opening device in the use state.
Referring to fig. 6 and 7 in combination, when the article storage cabinet of the present application is in a condition that the electronic control unlocking mechanism cannot be unlocked after being electrically controlled, the article storage cabinet can be manually unlocked through the emergency door opening device, and the specific operation is as follows:
the designated electromagnetic lock emergency pull wire head 2201 is manually pulled at the top of the cabinet body 1, the electromagnetic lock emergency pull wire head 2201 drives the electromagnetic lock emergency pull wire 2202 fixed with the electromagnetic lock emergency pull wire head to move upwards, and then the tail end of the electromagnetic lock emergency pull rod 61 on the corresponding electromagnetic lock 6 is driven to move upwards, so that the electromagnetic lock 6 is unlocked.
Fig. 8 and 9 show schematic internal structures of the electromagnetic lock 6 according to a preferred embodiment. Fig. 8 is a schematic structural diagram of the electromagnetic lock 6 in the closed state according to the preferred embodiment; fig. 9 is a schematic structural view of the electromagnetic lock 6 in an unlocked state.
As shown in fig. 8 and 9, the electromagnetic lock 6 includes: electromagnetic lock casing, locate pothook 63, stop block 65, electro-magnet 68 and torsional spring 67 in the electromagnetic lock casing. One side of the electromagnetic lock shell is provided with a notch for inserting the electromagnetic lock catch 4 on the cabinet door 1. The hook 63 is rotatably connected to the electromagnetic lock housing through a first rotating shaft 64, a first clamping groove 6301 is provided on the hook 63, and a short arm and a long arm are respectively provided on two sides of the first clamping groove 6301. The stop block 65 is rotatably connected to the electromagnetic lock housing through a second rotating shaft 66, and a second clamping groove 6501 is formed in the stop block 65. The stop block 65 is far away from one end of the trip 63 and is connected with the electromagnetic lock emergency pull rod 61, and the electromagnetic lock emergency pull rod 61 penetrates out of the electromagnetic lock shell and extends out of the electromagnetic lock shell. This application is with emergent pull rod 61 extension of electromagnetic lock, surpasses the electromagnetic lock body, and the one end that more makes things convenient for the emergent pull wire 2202 of electromagnetic lock to stretch into lock frame 21 is in the tail end that the emergent pull rod 61 of electromagnetic lock stretches out the electromagnetic lock casing in the outside system of electromagnetic lock casing, is difficult for causing wearing and tearing like this, and simple to operate. One end of the electromagnet 68 is provided with a connecting rod 62, the connecting rod 62 is provided with a through hole, the connecting rod 62 is sleeved on the electromagnetic lock emergency pull rod 61 through the through hole, and the connecting rod 62 is also sleeved with a reset spring 69 for driving the electromagnet 68 to reset. One end of the torsion spring 67 is connected with the electromagnetic lock casing, and the other end of the torsion spring 67 is connected with the clamping hook 63.
When the cabinet door 1 is closed, the electromagnetic lock catch 4 on the cabinet door 1 is pushed by an external force to be inserted into the first clamping groove 6301 of the clamping hook 63 along the notch, so as to push the long arm of the clamping hook 63, and further make the clamping hook 63 rotate clockwise around the first rotating shaft 64. When the long arm of the hook 63 moves to the second clamping groove 6501 of the stop block 65, the end of the long arm of the hook 63 is clamped in the second clamping groove 6501 of the stop block 65, and the hook 63 is stopped by the stop block 65. The state at this time is referred to fig. 8.
When the electromagnetic lock emergency stay 2202 moves upwards under the action of manual pulling force, the electromagnetic lock emergency stay 2202 drives the electromagnetic lock emergency pull rod 61 to move upwards, the electromagnetic lock emergency pull rod 61 drives the stop block 65 to rotate clockwise around the second rotating shaft 66, so that a second clamping groove 6501 of the stop block 65 is separated from a long arm of the clamping hook 63, the clamping hook 63 rotates anticlockwise around the first rotating shaft 64 under the action of the torsion spring 67, and the electromagnetic lock is reset to an initial state, so that the electromagnetic lock catch 4 pops out of the notch, and the cabinet door 1 is unlocked. The state at this time is referred to fig. 9.
It should be noted that, the structure of the electromagnetic lock 6 is merely an example, the electromagnetic lock 6 in the present application may be an electromagnetic lock sold in the market, the structure of the electromagnetic lock 6 is not limited in the present application, and any electromagnetic lock capable of implementing an emergency unlocking function may be applied to the emergency door opening device of the present application.
Embodiment two:
referring to fig. 4, compared with the first embodiment, the emergency door opening device 2 of the present embodiment further includes an upper cover 12 disposed on the top of the cabinet 1, and a mechanical lock 24 is disposed on the upper cover 12.
Specifically, a groove is formed in the top of the cabinet body 1 of the article storage cabinet of the embodiment, and the emergency stay wire assembly 22 is located in the groove. The upper cover 12 seals the groove, and the upper cover 12 is detachably connected with the groove.
In this embodiment, in a state where the electromagnetic lock 6 does not fail, the upper cover 12 of the article storage cabinet is always in a closed state; when the electromagnetic lock 6 fails, the upper cover 12 of the article storage cabinet can be opened through the mechanical lock 24, and the designated electromagnetic lock emergency pull wire 2201 is manually pulled at the top of the cabinet body 1 to drive the electromagnetic lock emergency pull wire 2202 fixed with the electromagnetic lock to move upwards, so that the electromagnetic lock 6 corresponding to the electromagnetic lock is unlocked.
In this embodiment, the top of the cabinet body 1 is provided with the upper cover 12, the upper cover 12 is provided with the mechanical lock 24, and only authorized designated staff can perform emergency door opening operation, so that the phenomenon that articles are lost due to the fact that other people open the cabinet door 11 through the emergency door opening device 2 can be avoided.
Embodiment III:
considering that the electromagnetic lock emergency stay wire arranged in the lock frame is likely to appear the phenomenon of aging, breaking or falling off after long-time use, the embodiment also provides an alternative scheme on the basis of the first embodiment or the second embodiment so as to ensure that the object storage cabinet can be quickly unlocked in an emergency under various unexpected conditions.
Specifically, referring to fig. 10 to 12, the emergency door opening device of the present embodiment further includes the following components:
a rear door 13, which is arranged at the rear side of the cabinet body 1 of the article storage cabinet, wherein a rear door lock 25 is arranged on the rear door 13; the rear door 13 is preferably a left-right double door rear door;
a plurality of emergency holes 26, which are arranged on the side wall of the lock frame 21 facing the rear door 13, wherein each emergency hole 26 is opposite to the tail end of one electromagnetic lock emergency pull rod 61;
the emergency pry bar 27 is used for being inserted into the emergency hole 26, the emergency pry bar 27 is preferably in a straight bar shape, one end of the emergency pry bar 27 extends into the lock frame 21 to be an insertion end, the other end of the emergency pry bar is left outside the emergency hole 26 of the lock frame 21 to be a handheld end; the insertion end of the emergency pry bar 27 can extend below the tail end of the electromagnetic lock emergency pull rod 61, and the tail end is lifted to unlock the electromagnetic lock 6; when the outer end of the emergency crow bar 27 is movably penetrated out of the emergency hole 26 on the side wall of the lock frame 21, the emergency hole 26 can expose the tail end of the electromagnetic lock emergency pull rod 61 of the corresponding electromagnetic lock 6.
In a preferred embodiment, the outer end of the emergency pry bar 27 is further provided with a handheld handle, so that a worker can hold the emergency pry bar 27 to perform emergency unlocking operation of the electromagnetic lock more conveniently.
When the electromagnetic lock emergency stay 2202 is subjected to the unexpected problem, and the electromagnetic lock emergency unlocking cannot be realized by manually pulling the electromagnetic lock emergency stay 2202 at the top of the cabinet body, a worker can perform the following operations:
1) Unlocking the rear door lock 25 of the cabinet 1 and opening the rear door 13;
2) Inserting an emergency pry bar 27 into the emergency hole 26, wherein the insertion end of the emergency pry bar 27 extends to the lower part of the tail end of an electromagnetic lock emergency pull rod 61 opposite to the emergency hole 26;
3) And one end of the emergency pry bar 27 exposed out of the emergency hole 26 is adjusted, so that the tail end of the electromagnetic lock emergency pull rod 61 is lifted by the insertion end of the emergency pry bar 27, and the electromagnetic lock 6 is unlocked.
In summary, the application discloses emergent door opener of article storage cabinet and method, with the emergent pull rod of electromagnetic lock extension, make it wear out the electromagnetic lock casing to outside the electromagnetic lock casing, this application is with the emergent one end of acting as go-between of electromagnetic lock on the emergent pull rod of electronic lock at cabinet body top, and the other end is directly at the tail end of the emergent pull rod of electromagnetic lock that extends outside the electromagnetic lock casing after passing an isolation hole, has simplified emergent door opener's structure, has simple structure, unblock convenient characteristics. The emergency door opening device adopts a mode that a single electromagnetic lock is used for controlling an electromagnetic lock independently, realizes independent control of each electromagnetic lock, can perform manual unlocking aiming at faults of single or multiple electromagnetic locks, and has the characteristics of singleness and targeted control. The emergent stay wire of an electromagnetic lock of every electromagnetic lock emergency end of a thread is fixed in this application to carry out the one-to-one through the isolation hole with the emergent stay wire of electromagnetic lock, be favorable to discerning the emergent stay wire of electromagnetic lock that is the corresponding of the electromagnetic lock of which layer of cabinet body, the setting up of isolation hole makes the emergent stay wire of each electromagnetic lock be difficult for twining together moreover, has convenient to use and difficult wearing and tearing, long service life's characteristics. The emergency door opening device further comprises an alternative scheme for emergency door opening under the state that the electromagnetic lock emergency stay wire is broken or separated, namely, a rear door is arranged, a plurality of emergency holes are reserved on the side wall of the lock frame facing the rear door, and each emergency hole corresponds to the tail end of one electromagnetic lock emergency stay rod. When unexpected situations such as fracture or drop appear in the emergent act as go-between of electromagnetic lock, can open the back door of the cabinet body, insert emergent hole with emergent crow bar, thereby lift up the tail end of the emergent pull rod of electromagnetic lock and realize emergent opening the door. In addition, the article storage cabinet of emergent door opener of this application is installed in the cooperation, can realize manual unblock through emergent door opener when the unable automatically controlled unblock of electromagnetic lock breaks down, and the emergent door opener of this application sets up in the cabinet body top of article storage cabinet and the internal lock frame of cabinet, installs and conceals, does not influence the whole aesthetic property of article storage cabinet, has convenient to use, is convenient for maintain and the pleasing to the eye characteristics of appearance.
The above description of the specific embodiments of the present invention has been given by way of example only, and the present invention is not limited to the above described specific embodiments. Any equivalent modifications and substitutions for the present invention will occur to those skilled in the art, and are also within the scope of the present invention. Accordingly, equivalent changes and modifications are intended to be included within the scope of the present invention without departing from the spirit and scope thereof.
Claims (7)
1. An emergency door opening device of an article storage cabinet comprises a cabinet body, wherein a plurality of independent unit cells are arranged in the cabinet body from top to bottom, each unit cell corresponds to a cabinet door, and each cabinet door is provided with an electromagnetic lock catch; the emergency door opening device is characterized by comprising:
the lock frame is arranged in the cabinet body along the height direction of the cabinet body;
the electromagnetic locks are distributed in the lock frame along the vertical direction, each electromagnetic lock is locked with the electromagnetic lock catches on the corresponding cabinet door in a one-to-one correspondence manner, and each electromagnetic lock is provided with an electromagnetic lock emergency pull rod penetrating out of the electromagnetic lock shell and extending out of the electromagnetic lock shell;
the emergency stay wire assembly is arranged at the top of the cabinet body and comprises a plurality of transversely arranged electromagnetic lock emergency stay wire heads, a plurality of electromagnetic lock emergency stay wires and a plurality of isolation holes for the single electromagnetic lock emergency stay wires to pass through, and the isolation holes are mutually isolated; one end of each electromagnetic lock emergency stay wire is connected with one electromagnetic lock emergency stay wire head, the other end of each electromagnetic lock emergency stay wire penetrates through an isolation hole and then is fixed with the tail end of an electromagnetic lock emergency stay rod of an electromagnetic lock, and the tail end of the electromagnetic lock emergency stay rod moves upwards under the traction of the electromagnetic lock emergency stay wire to trigger the electromagnetic lock to be unlocked;
wherein, emergent stay wire subassembly still includes: the horizontal end of the L-shaped plate is fixedly arranged at the top of the cabinet body, a plurality of electromagnetic lock emergency wire heads are transversely distributed on the upper surface of the L-shaped plate, the electromagnetic lock emergency wire heads are cylindrical, and a plurality of isolation holes are uniformly formed in the vertical end of the L-shaped plate in an penetrating mode along the length direction of the L-shaped plate in an equidistance mode; one end of each electromagnetic lock emergency stay wire is wound on the electromagnetic lock emergency stay wire head, and the other end of each electromagnetic lock emergency stay wire penetrates through one isolation hole and extends into the lock frame from the top of the cabinet body to be fixed with the tail end of an electromagnetic lock emergency stay rod;
the horizontal supporting plate is arranged below the L-shaped plate, a plurality of through wire holes are formed in the surface of the horizontal supporting plate along the length direction of the L-shaped plate, each wire hole corresponds to an electromagnetic lock installation position in the lock frame, the other end of each electromagnetic lock emergency stay wire penetrates through the isolation hole in the L-shaped plate and the wire hole in the horizontal supporting plate, and extends into the lock frame from the top of the cabinet body to be fixed with the tail end of an electromagnetic lock emergency stay rod;
each electromagnetic lock emergency pull wire corresponds to one electromagnetic lock emergency pull wire, and each electromagnetic lock emergency pull wire corresponds to one isolation hole and one wire hole; the wire holes on the horizontal supporting plate are opposite to the upper end openings of the lock frames, and each wire hole corresponds to one electromagnetic lock installation position in each lock frame; each electromagnetic lock emergency pull wire corresponds to one electromagnetic lock;
the emergency door opening device further comprises:
the rear door is arranged at the rear side of the cabinet body of the article storage cabinet, and a rear door lock is arranged on the rear door;
the emergency holes are arranged on the side wall of the lock frame facing the rear door, and each emergency hole is opposite to the tail end of one electromagnetic lock emergency pull rod;
the emergency pry bar is used for being inserted into the emergency hole, and the tail end of the electromagnetic lock emergency pull bar is lifted up to unlock the electromagnetic lock.
2. The emergency door opening device of an article storage cabinet according to claim 1, wherein the tail end of the electromagnetic lock emergency pull rod of any electromagnetic lock is arranged corresponding to an electromagnetic lock emergency pull wire head through an electromagnetic lock emergency pull wire.
3. The emergency door opening device of an article storage cabinet according to claim 1, wherein the number of the electromagnetic lock emergency pull heads is the same as the number of the isolation holes, and one electromagnetic lock emergency pull head corresponds to one isolation hole; the number of the isolation holes is the same as that of the electromagnetic locks arranged on the lock frame, and one isolation hole corresponds to one electromagnetic lock installation position.
4. The article storage bin emergency door opening device of claim 1, further comprising: locate the upper cover at cabinet body top and locate the mechanical lock of upper cover, the top of cabinet body is equipped with the recess, emergent stay wire subassembly is located in the recess, the upper cover is sealed the recess.
5. An emergency door opening method for an article storage cabinet, which is applied to the emergency door opening device for the article storage cabinet, and is characterized in that the method comprises the following steps:
the lock frame is arranged in the cabinet body of the article storage cabinet along the height direction of the cabinet body;
transversely arranging a plurality of electromagnetic lock emergency wire heads at the top of the cabinet body, and fixing an electromagnetic lock emergency wire on each electromagnetic lock emergency wire head;
after the free end of each electromagnetic lock emergency pull wire passes through an isolation hole, the free end of each electromagnetic lock emergency pull wire extends into the lock frame from the top of the cabinet body and is fixedly connected with the tail end of an electromagnetic lock emergency pull rod of an electromagnetic lock, each electromagnetic lock emergency pull wire corresponds to one electromagnetic lock, and all electromagnetic lock emergency pull wires passing through the isolation holes are parallel and isolated from each other;
the specified electromagnetic lock emergency pull wire head is manually pulled at the top of the cabinet body, the electromagnetic lock emergency pull wire head drives the electromagnetic lock emergency pull wire fixed by the electromagnetic lock emergency pull wire head to move upwards, and then one end of the electromagnetic lock emergency pull rod on the electromagnetic lock corresponding to the electromagnetic lock emergency pull wire is driven to move upwards, so that the electromagnetic lock is unlocked.
6. The method of emergency door opening for an article storage cabinet according to claim 5, wherein the top of the cabinet body is further provided with a plurality of wire holes, each wire hole corresponds to an isolation hole, and each wire hole corresponds to an electromagnetic lock mounting position, the method further comprising:
the free end of each electromagnetic lock emergency pull wire passes through an isolation hole respectively, and then passes through the corresponding wire hole, and then stretches into the lock frame from the opening at the top of the cabinet body to be fixedly connected with the tail end of an electromagnetic lock emergency pull rod.
7. The method for emergency opening of an article storage compartment of claim 5, wherein the emergency opening device further comprises: the rear door is arranged at the rear side of the cabinet body of the article storage cabinet, a rear door lock is arranged on the rear door, a plurality of emergency holes capable of being movably inserted into the emergency crowbar are formed in the side wall of the lock frame facing the rear door, and each emergency hole is opposite to the tail end of one electromagnetic lock emergency pull rod; the method further comprises the steps of:
unlocking a rear door lock of the cabinet body, and opening the rear door;
inserting an emergency pry bar into the emergency hole, wherein the insertion end of the emergency pry bar extends to the lower part of the tail end of an electromagnetic lock emergency pull bar opposite to the emergency hole;
and adjusting one end of the emergency pry bar exposed out of the emergency hole, so that the inserting end of the emergency pry bar lifts the tail end of the emergency pull rod of the electromagnetic lock, and the electromagnetic lock is unlocked.
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