Lock retrieval mechanism and intelligent filing cabinet

By designing a lock-retrieving mechanism and an intelligent filing cabinet, combined with wedge blocks and locking tongue components, the filing cabinet achieves dual locking and automated control, solving the problems of security and convenience, and improving the security of file storage and management efficiency.

CN122304572APending Publication Date: 2026-06-30SHANDONG JIAOTONG UNIV

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHANDONG JIAOTONG UNIV
Filing Date
2026-05-14
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

The existing filing cabinets have poor security, with no locks or simple lock structures on the cabinet doors, resulting in scattered and messy storage of files. When files are retrieved, other files are exposed, which lacks convenience and security.

Method used

A locking mechanism was designed, including a locking bar, a telescopic device, a crossbar and a vertical bar, which, combined with a wedge block and a locking tongue assembly, achieves double locking. Combined with an intelligent filing cabinet, it uses an RFID handheld terminal and a touch screen for automated control, enabling accurate identification and retrieval of files.

Benefits of technology

It improves the security and convenience of archive storage, enables separate storage and precise management of archives, reduces noise, and enhances structural stability and ease of operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention relates to the field of archival management equipment technology, and discloses a lock-retrieving mechanism, including a lock bar, a first telescopic device, a second telescopic device, a crossbar, and a vertical bar. The output end of the first telescopic device is connected to the crossbar via a connecting plate, and the output end of the second telescopic device is connected to the vertical bar via a connecting plate. Mounting plates are provided on both the crossbar and the vertical bar, and a locking tongue assembly is provided at the first end of the mounting plate. A wedge block corresponding to the locking tongue assembly is provided on the lock bar. The invention also discloses an intelligent filing cabinet, including several sets of the aforementioned lock-retrieving mechanisms, and at least one cabinet body. The cabinet body contains several sets of storage compartments arranged in a matrix, and each storage compartment contains a storage box. The inner side of the storage box is connected to the lock bar via a connecting rod. A locking groove is provided between the wedge block and the connecting rod, which mates with the second end of the locking tongue body. This invention facilitates locking and unlocking of archives and allows for individual storage of archives, effectively improving the security and convenience of archive storage.
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Description

Technical Field

[0001] This invention relates to the field of archive management equipment technology, and in particular to a lock-removing mechanism and an intelligent archive cabinet. Background Technology

[0002] Filing cabinets are used to store archival documents. Compared to traditional bookshelves, shelves, and filing racks, filing cabinets offer greater storage capacity and a more systematic approach. Traditional filing cabinets typically refer to covered boxes and cabinets with doors; some are even modular, consisting of separate boxes that can be stacked to form a cabinet. They are generally made of wood or metal. Based on their usage, they are divided into two types: single-unit fixed filing cabinets and mobile high-density filing cabinets. They are multi-layered from top to bottom, with each layer consisting of two or one single shelf. The spacing between layers is adjustable, allowing documents to be stacked on top of each other for storage.

[0003] The existing technology has at least the following problems: First, the cabinet doors of filing cabinets mostly use rotary locks or even no locks, which is not very secure; second, in order to increase the storage capacity of the files, a large number of file bags or file boxes are piled up on each shelf, resulting in the problems of scattered, messy, mixed and large quantity of files; third, the structure of filing cabinets is simple. Whether it is a single fixed filing cabinet or a mobile high-density filing cabinet, the cabinet door usually covers the entire front of the cabinet. When a single file is taken out, other files will also be exposed, which is not very secure. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention develops a locking mechanism and an intelligent filing cabinet. This invention not only facilitates locking and unlocking of files but also allows for the separate storage of files, effectively improving the security and convenience of file storage.

[0005] The technical solution to the technical problem solved by the present invention is as follows: On the one hand, the embodiments of the present invention provide a lock-removing mechanism, including a lock rod, a first telescopic device, a second telescopic device, a crossbar and a vertical bar. The output end of the first telescopic device is connected to the crossbar through a connecting plate, and the output end of the second telescopic device is connected to the vertical bar through a connecting plate. Mounting plates are provided on both the crossbar and the vertical bar. A lock tongue assembly is provided at the first end of the mounting plate, and a wedge block corresponding to the lock tongue assembly is provided on the lock rod.

[0006] As an optimization, the first end of the mounting plate is provided with a mounting hole. The latch assembly includes a latch body, a limiting plate, a baffle, and a first spring. The first end of the latch body is provided with a limiting plate, the middle of the latch body is provided with a baffle, and the second end of the latch body cooperates with the wedge block. The latch body between the limiting plate and the baffle is slidably disposed in the mounting hole, and the latch body between the baffle and the mounting plate is fitted with a first spring. By providing a mounting hole, a sliding channel can be provided for the latch body to ensure accurate guidance of latch extension and retraction; by providing the latch body, it can serve as the core component of the lock, realizing engagement and disengagement with the wedge block; by providing a limiting plate, the extension stroke of the latch body can be limited to prevent excessive extension and detachment; by providing a baffle, it can cooperate with the first spring to form an elastic reset structure to ensure that the latch body automatically returns to its original position; by providing the first spring, it can provide an elastic reset force for the latch body, compressing it when the latch body slides on the wedge block, and resetting to lock the lock rod and the wedge block after the latch body passes the wedge block.

[0007] As an optimization, the second end of the latch body is provided with an inclined surface that mates with the wedge block. A first limiting post is provided in the mounting hole, and a first limiting groove is provided on the latch body between the limiting plate and the baffle. The first limiting post is located in the first limiting groove. By setting the inclined end of the latch body, it can form an inclined surface fit guide with the wedge block, and the locking rod can be inserted smoothly. By setting the first limiting post and the first limiting groove, the latch body can be prevented from rotating, so that the inclined end of the latch body is aligned with the wedge block, improving the stability of the operation.

[0008] As an optimization, the mounting plate includes a fixed plate, a torsion spring shaft, and a movable plate. The fixed plate is respectively mounted on the crossbar and the vertical bar, and the latch assembly is vertically mounted on the movable plate. The movable plate is hinged to the fixed plate via the torsion spring shaft. By setting up the fixed plate, a fixed support can be provided for the movable plate, ensuring the stability of the mounting plate's basic structure; by setting up the torsion spring shaft, the movable plate can rotate around the hinge axis and a return force can be provided for the movable plate; by setting up the movable plate, it can adaptively rotate and adjust under the push of the latch assembly when the locking bar and the wedge block are inserted.

[0009] On the other hand, embodiments of the present invention provide an intelligent filing cabinet, including several sets of the aforementioned locking mechanisms, and at least one cabinet body. The cabinet body contains several sets of storage compartments arranged in a matrix. Each storage compartment contains a storage box. The two sides of the storage box are connected to the side walls of the storage compartment via slide rails. The outer side of the storage box has a sealing plate that cooperates with the storage compartment. The inner side of the storage box has a connecting rod connected to a locking rod. A locking groove that cooperates with the second end of the locking tongue body is provided between the wedge block and the connecting rod. Several sets of horizontal bars are horizontally arranged within the cabinet body, corresponding to each row of storage boxes. Several sets of mounting plates corresponding to each column of storage boxes are provided on the horizontal bars. Several sets of vertical bars are vertically arranged within the cabinet body, corresponding to each column of storage boxes. Several sets of mounting plates corresponding to each row of storage boxes are provided on the vertical bars. The first telescopic device and the second telescopic device are both located on the cabinet body.

[0010] As an optimization, the cabinet is equipped with several sets of mounting sleeves, each containing a second limiting post. Both ends of the horizontal and vertical bars have second limiting grooves, and both ends of the horizontal and vertical bars are slidably positioned within the mounting sleeves. The second limiting posts are located within the second limiting grooves. By using mounting sleeves, sliding guidance and support are provided for the horizontal and vertical bars, ensuring coaxial and sway-free extension and retraction. The second limiting posts and grooves prevent rotation of the horizontal and vertical bars, improving the operational safety of the mechanism.

[0011] As an optimization, the cabinet also features a vertical inner panel with several sets of through holes. A connecting rod slides within these holes, and a second spring is fitted onto the connecting rod. This second spring is positioned between the storage box and the inner panel, with its end fixed to the storage box. The inner panel provides mounting support for the connecting rod and the second spring, resulting in a compact structure. The through holes provide a sliding channel for the connecting rod, ensuring smooth operation when the storage box is pulled out. The second spring provides elasticity to the storage box, allowing it to automatically spring out a certain distance after unlocking for easy retrieval.

[0012] As an optimization, a floor rail is also included. A geared motor is located on one side of the cabinet, and a traveling device is located at the bottom of the cabinet. The traveling device includes a main shaft, a driven shaft, and rollers. The output end of the geared motor is connected to one end of the main shaft through a gear chain transmission. The main shaft and the driven shaft are respectively mounted on the bottom of the cabinet through several sets of bearing seats. The driven shaft is located on both sides of the main shaft. Several sets of driving gears are mounted on the main shaft, and driven gears are mounted on the driven shaft. The driving gears are connected to the driven gears through a transmission chain. Rollers are mounted on the driven shaft and are mounted on the floor rail. By setting up the floor rail, the cabinet can be guided, ensuring smooth movement and precise trajectory. By setting up the geared motor, the cabinet movement can be provided with stable power, controllable speed, and smooth operation. By setting up the traveling device, the weight of the cabinet can be borne and moved, adapting to the flexible layout of intelligent filing cabinets. By setting up the main shaft, driven shaft, and rollers, a stable traveling support structure can be formed, with strong load-bearing capacity and smooth movement. By setting up the driving gears, driven gears, and transmission chain, power can be transmitted synchronously, ensuring synchronous rotation of the rollers and preventing the cabinet from deviating during movement.

[0013] As an optimization, an RFID handheld terminal is also included. One set of cabinets has a touchscreen and controller mounted on its outer wall. The touchscreen's output is connected to the controller's input, and the controller's output is connected to the inputs of the first telescopic device, the second telescopic device, and the geared motor. The RFID handheld terminal is connected to the controller via a signal connection. The touchscreen provides a visual human-machine interface, offering convenient operation and intuitive command input, allowing for quick input of required file information and accurate matching of target storage boxes. The controller receives commands from the touchscreen and controls the start and stop of the first telescopic device, the second telescopic device, and the geared motor, achieving automated control of unlocking and cabinet movement. The RFID handheld terminal enables rapid file identification and storage box unlocking, improving storage efficiency and management accuracy.

[0014] Compared with the prior art, the present invention has the following beneficial effects: By setting a locking bar, it can cooperate with the wedge block to form the main body of the lock; by setting a first telescopic device, it can drive the horizontal bar to move horizontally, providing unlocking power; by setting a second telescopic device, it can drive the vertical bar to extend and retract vertically, providing longitudinal unlocking power; by setting a horizontal bar, multiple sets of mounting plates and lock tongue assemblies can be arranged laterally, adapting to the synchronous action of multiple rows of lock positions; by setting a vertical bar, multiple sets of mounting plates and lock tongue assemblies can be arranged longitudinally, adapting to the synchronous action of multiple rows of lock positions, and cooperating with the horizontal bar to achieve double locking; by setting a mounting plate, it can provide a stable mounting carrier for the lock tongue assembly, ensuring the consistency of lock tongue action; by setting a lock tongue assembly, it can cooperate with the wedge block to complete locking and unlocking, with precise and reliable action; by setting a wedge block, it can form a beveled guide cooperation with the lock tongue assembly, achieving automatic alignment during locking and smooth disengagement during unlocking; By designing cabinets, an overall support framework is provided for the file storage and retrieval mechanism, ensuring a stable structure and orderly layout. Buffer strips cushion the impact of collisions between adjacent cabinets during opening, closing, or movement, reducing noise and protecting both the cabinets and files. Storage compartments allow for a matrix-like arrangement of storage boxes, ensuring clear differentiation and orderly access. Storage boxes provide storage and protection for files, facilitating overall storage and management. Slide rails allow for smooth pulling of storage boxes. Sealing plates close the openings of storage compartments, preventing dust and moisture and protecting files. Connecting rods link storage boxes to locking rods, enabling locking and unlocking. Lock slots precisely engage with the lock tongue assembly, locking and securing the storage boxes and preventing accidental slippage. A matrix arrangement of horizontal and vertical bars allows for individual locking and retrieval control of storage boxes at intersections, ensuring high accuracy and security. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of a first embodiment of the lock-removing mechanism of the present invention.

[0016] Figure 2 This is a schematic diagram of the structure of the mounting plate and the latch assembly in the first embodiment of the lock-removing mechanism of the present invention.

[0017] Figure 3 This is a schematic diagram of the mounting plate in the first embodiment of the lock-removing mechanism of the present invention.

[0018] Figure 4 This is a schematic diagram of the mounting plate and the latch assembly in a second embodiment of the lock-removing mechanism of the present invention.

[0019] Figure 5 This is a perspective view of the intelligent filing cabinet of the present invention.

[0020] Figure 6 This is a top view of the internal structure of the intelligent filing cabinet of the present invention.

[0021] Figure 7 This is a right view of the internal structure of the intelligent filing cabinet of the present invention.

[0022] Figure 8 This is a schematic diagram of the lock-removing mechanism and storage box in the intelligent filing cabinet of the present invention.

[0023] Figure 9 This is a schematic diagram of the vertical rod and mounting sleeve in the intelligent filing cabinet of the present invention.

[0024] Figure 10 This is a schematic diagram of the storage box, connecting rod, inner plate, and second spring in the intelligent filing cabinet of the present invention.

[0025] Figure 11This is a schematic diagram of the sealing plate, storage box, slide rail and connecting rod in the intelligent filing cabinet of the present invention.

[0026] Figure 12 This is a bottom view of the intelligent filing cabinet of the present invention.

[0027] Figure 13 This is a perspective view of the cabinet body and floor slide rails in the intelligent filing cabinet of this invention.

[0028] In the diagram: 1. Locking bar; 2. First telescopic device; 3. Second telescopic device; 4. Horizontal bar; 5. Vertical bar; 6. Mounting plate; 7. Lock tongue assembly; 8. Wedge block; 9. Mounting hole; 10. Lock tongue body; 11. Limiting plate; 12. Baffle; 13. First spring; 14. First limiting post; 15. First limiting groove; 16. Fixing plate; 17. Torsion spring shaft; 18. Movable plate; 19. Cabinet; 20. Buffer strip; 21. Storage compartment; 22. Storage box; 23. 24. Slide rail; 25. Sealing plate; 26. Connecting rod; 27. Locking groove; 28. Mounting sleeve; 29. ​​Second limiting post; 30. Second limiting groove; 31. Inner plate; 32. Through hole; 33. Second spring; 34. Ground slide rail; 35. Gear motor; 36. Walking device; 37. Main shaft; 38. Driven shaft; 39. Roller; 40. Driven gear; 41. Controller; 42. Wireless transceiver module; 43. Touch screen; 44. RFID reader. Detailed Implementation

[0029] To clearly illustrate the technical features of this solution, the invention will be described in detail below through specific implementation methods and in conjunction with the accompanying drawings.

[0030] Example 1 Figures 1 to 3 This is a first embodiment of the lock-removing mechanism of the present invention, such as... Figures 1 to 3 As shown, the device includes a locking rod 1, a first telescopic device 2, a second telescopic device 3, a crossbar 4, and a vertical bar 5. The output end of the first telescopic device 2 is connected to the crossbar 4 via a connecting plate, and the output end of the second telescopic device 3 is connected to the vertical bar 5 via a connecting plate. The first telescopic device 2 and the second telescopic device 3 are electric push rods. Both the crossbar 4 and the vertical bar 5 are provided with mounting plates 6. The first end of the mounting plate 6 is provided with a locking tongue assembly 7, and the locking rod 1 is provided with a wedge block 8 corresponding to the locking tongue assembly 7.

[0031] By setting the locking bar 1, it can cooperate with the wedge block 8 to form the main body of the lock; by setting the first telescopic device 2, it can drive the horizontal bar 4 to move horizontally, providing unlocking power; by setting the second telescopic device 3, it can drive the vertical bar 5 to extend and retract vertically, providing longitudinal unlocking power; by setting the horizontal bar 4, multiple sets of mounting plates 6 and lock tongue assembly 7 can be arranged horizontally to adapt to the synchronous action of multiple rows of lock positions; by setting the vertical bar 5, multiple sets of mounting plates 6 and lock tongue assembly 7 can be arranged vertically to adapt to the synchronous action of multiple rows of lock positions, and together with the horizontal bar 4, double locking can be achieved; by setting the mounting plate 6, it can provide a stable mounting carrier for the lock tongue assembly 7, ensuring the consistency of lock tongue action; by setting the lock tongue assembly 7, it can cooperate with the wedge block 8 to complete locking and unlocking, with precise and reliable action; by setting the wedge block 8, it can form a beveled guide cooperation with the lock tongue assembly 7, achieving automatic alignment during locking and smooth disengagement during unlocking.

[0032] like Figures 1 to 3 As shown, the first end of the mounting plate 6 is provided with a mounting hole 9. The latch assembly 7 includes a latch body 10, a limiting plate 11, a baffle 12 and a first spring 13. The first end of the latch body 10 is provided with a limiting plate 11, the middle part of the latch body 10 is provided with a baffle 12, the second end of the latch body 10 cooperates with the wedge block 8, the latch body 10 between the limiting plate 11 and the baffle 12 is slidably disposed in the mounting hole 9, and the first spring 13 is sleeved on the latch body 10 between the baffle 12 and the mounting plate 6. By setting the mounting hole 9, a sliding channel can be provided for the bolt body 10 to ensure accurate bolt extension and retraction guidance; by setting the bolt body 10, it can serve as the core component of the lock, realizing engagement and disengagement with the wedge block 8; by setting the limiting plate 11, the extension stroke of the bolt body 10 can be limited to prevent excessive extension and detachment; by setting the baffle 12, it can cooperate with the first spring 13 to form an elastic reset structure to ensure that the bolt body 10 automatically returns to its position; by setting the first spring 13, it can provide elastic reset force for the bolt body 10, which is compressed when the bolt body 10 slides on the wedge block 8, and resets and locks the locking rod 1 and the wedge block 8 after passing the wedge block 8.

[0033] like Figures 1 to 3 As shown, the second end of the latch body 10 has an inclined surface that mates with the wedge block 8. A first limiting post 14 is provided in the mounting hole 9. A first limiting groove 15 is provided on the latch body 10 between the limiting plate 11 and the baffle 12, and the first limiting post 14 is located in the first limiting groove 15. By setting the inclined end of the latch body 10, it can form an inclined surface fit guide with the wedge block 8, and the locking rod 1 can be inserted smoothly. By setting the first limiting post 14 and the first limiting groove 15, the latch body 10 can be prevented from rotating, so that the inclined end of the latch body 10 is aligned with the wedge block 8, thereby improving the stability of the operation.

[0034] Example 2 Figure 4 This is a second embodiment of the lock-removing mechanism of the present invention. The difference from the first embodiment is that the mounting plate 6 includes a fixed plate 16, a torsion spring shaft 17, and a movable plate 18. The fixed plate 16 is respectively mounted on the horizontal bar 4 and the vertical bar 5. The latch assembly 7 is a rod, fixedly and vertically mounted on the movable plate 18. The movable plate 18 is hinged to the fixed plate 16 via the torsion spring shaft 17. By setting the fixed plate 16, a fixed support can be provided for the movable plate 18, ensuring the stability of the mounting plate 6's basic structure. By setting the torsion spring shaft 17, the movable plate 18 can rotate around the hinge axis, and a return force can be provided for the movable plate 18. By setting the movable plate 18, when the locking bar 1 and the wedge block 8 are inserted, it can adaptively rotate and adjust under the push of the latch assembly 7.

[0035] Figures 5 to 13 This invention provides an intelligent filing cabinet comprising several sets of the aforementioned locking mechanisms, and at least one cabinet body 19. The edges of the cabinet body 19 are provided with buffer strips 20. The cabinet body 19 contains several sets of storage compartments 21 arranged in a matrix. Each storage compartment 21 contains a storage box 22 and a first micro switch. The two sides of the storage box 22 are connected to the side walls of the storage compartment 21 via slide rails 23. The first micro switch cooperates with the inner side of the storage box 22. The slide rails 23 are any one of roller slide rails, ball bearing slide rails, and damping slide rails. The outer side of the storage box 22 is provided with a sealing plate 24 that cooperates with the storage compartment 21. The inner side of the storage box 22 is provided with a connecting rod 25, which is connected to a locking rod 1. A wedge is also included. A locking groove 26 is provided between block 8 and connecting rod 25 to cooperate with the second end of locking tongue body 10. Several sets of horizontal bars 4 are horizontally arranged in the cabinet 19 corresponding to each row of storage boxes 22. Several sets of mounting plates 6 corresponding to each column of storage boxes 22 are provided on the horizontal bars 4. Several sets of vertical bars 5 are vertically arranged in the cabinet 19 corresponding to each column of storage boxes 22. Several sets of mounting plates 6 corresponding to each row of storage boxes 22 are provided on the vertical bars 5. The horizontal bars 4 are arranged between the vertical bars 5 and the wedge block 8. The length of the mounting plate 6 on the horizontal bar 4 is less than the length of the mounting plate 6 on the vertical bar 5. The mounting plate 6 on the vertical bar 5 is arranged above the corresponding horizontal bar 4. The first telescopic device 2 and the second telescopic device 3 are both arranged on the cabinet 19.

[0036] By setting up cabinet 19, an overall support frame is provided for the file storage and retrieval mechanism, ensuring a stable structure and orderly layout. The buffer strip 20 buffers the impact of collisions between adjacent cabinets 19 during opening, closing, or movement, reducing noise and protecting the cabinets and files. Storage compartments 21 allow for the orderly storage of storage boxes 22 in a matrix arrangement, ensuring clear differentiation and orderly access. Storage boxes 22 store and protect archival materials, facilitating overall storage and management. Slide rails 23 allow for smooth pulling of storage boxes 22. Sealing plates 24 close the openings of storage compartments 21, preventing dust and moisture and protecting the files. Connecting rods 25 connect storage boxes 22 to locking rods 1, enabling locking and unlocking of storage boxes 22. Lock slots 26 precisely engage with the lock tongue assembly 7, locking and securing storage boxes 22 and preventing accidental slippage. The matrix arrangement of horizontal and vertical bars 4 and 5 allows for individual locking and retrieval control of storage boxes 22 at their intersections, ensuring high accuracy and security.

[0037] The cabinet 19 contains several sets of mounting sleeves 27, each with a second limiting post 28. Both ends of the crossbar 4 and the vertical bar 5 have second limiting grooves 29. Both ends of the crossbar 4 and the vertical bar 5 are slidably disposed within the mounting sleeves 27. The second limiting post 28 is disposed within the second limiting groove 29. A second microswitch is also located within the mounting sleeves 27. This microswitch is used to confirm whether the latch assembly 7 has completely disengaged from the lock groove 26 or has fully reset. By providing the mounting sleeves 27, sliding guidance and support are provided for the crossbar 4 and the vertical bar 5, ensuring coaxial and non-swaying telescopic movements. The second limiting post 28 and the second limiting groove 29 prevent rotation of the crossbar 4 and the vertical bar 5, improving the operational safety of the mechanism.

[0038] The cabinet 19 also has a vertically installed inner panel 30 with several sets of through holes 31. A connecting rod 25 is slidably disposed within the through holes 31, and a second spring 32 is sleeved on the connecting rod 25. The second spring 32 is disposed between the storage box 22 and the inner panel 30, and its end is fixedly disposed on the storage box 22. By setting up the inner panel 30, installation support can be provided for the connecting rod 25 and the second spring 32, resulting in a compact structure. By setting up the through holes 31, a sliding channel can be provided for the connecting rod 25, ensuring smooth movement of the connecting rod 25 when the storage box 22 is pulled out. By setting up the second spring 32, the storage box 22 can be provided with elasticity, automatically popping out a certain distance after unlocking for easy retrieval.

[0039] It also includes a floor slide rail 33, a geared motor 34 on one side of the cabinet 19, and a traveling device 35 at the bottom of the cabinet 19. The traveling device 35 includes a main shaft 36, a driven shaft 37, and rollers 38. The output end of the geared motor 34 is connected to one end of the main shaft 36 through a gear chain transmission device. The main shaft 36 and the driven shaft 37 are respectively set at the bottom of the cabinet 19 through several sets of bearing seats. The driven shaft 37 is set on both sides of the main shaft 36. Several sets of driving gears 39 are set on the main shaft 36, and driven gears 40 are set on the driven shaft 37. The driving gears 39 are connected to the driven gears 40 through a transmission chain. Rollers 38 are set on the driven shaft 37 and are set on the floor slide rail 33. By setting up the ground slide rail 33, the cabinet 19 can be guided to move smoothly and with a precise trajectory. By setting up the geared motor 34, the cabinet 19 can be provided with stable power for movement, with controllable speed and smooth operation. By setting up the walking device 35, the weight of the cabinet 19 can be supported and moved, adapting to the flexible layout of the intelligent filing cabinet. By setting up the main shaft 36, driven shaft 37 and rollers 38, a stable walking support structure can be formed, with strong load-bearing capacity and smooth movement. By setting up the driving gear 39, driven gear 40 and transmission chain, power can be transmitted synchronously, ensuring that the rollers 38 rotate synchronously and the cabinet moves without deviation.

[0040] It also includes an RFID handheld terminal. Each cabinet 19 is equipped with a controller 41 and a wireless transceiver module 42. The controller 41 adopts a PLC or an embedded industrial control board. The controller 41 is electrically connected to each of the first telescopic device 2, the second telescopic device 3, the geared motor 34, the second micro switch and the wireless transceiver module 42. The wireless transceiver modules 42 of each cabinet 19 are connected by a signal to share the occupancy status of the storage box 22 and realize the collaborative control of multiple cabinets 19. One set of cabinets 19 is also equipped with a touch screen 43 and an RFID reader 44 on the outer wall. The touch screen 43 and the RFID reader 44 are electrically connected to the controller 41 on the cabinet 19. The RFID handheld terminal is wirelessly connected to the wireless transceiver module 42 on the cabinet 19. The RFID reader 44 can read the RFID tags on the files. By setting up a touch screen 43, a visual human-machine interface can be provided, which is convenient to operate and intuitive to input commands. It can quickly input the information of the files to be retrieved and accurately match the target storage box. By setting up a controller 41, commands can be received from the touch screen 43 and the start and stop of the first telescopic device 2, the second telescopic device 3 and the geared motor 34 can be controlled to realize the automatic control of unlocking and cabinet movement. By setting up an RFID handheld terminal, the RFID tags on the files can be read to realize the rapid identification of files and unlocking of the storage box 22, thereby improving storage efficiency and management accuracy.

[0041] During use, after the equipment is installed and debugged, the cabinet 19 with the touch screen 43 is the main control cabinet, and the other cabinets 19 are numbered sequentially. Wireless communication between the cabinets 19 adopts a master-slave network topology. The controller 41 of the main control cabinet acts as the master controller to manage the queue. The communication frame includes fields such as frame header, cabinet ID, instruction type, storage box row and column number, and checksum. The wireless transceiver module 42 is preferably a 2.4GHz or Sub-1G industrial-grade wireless module. The ground slide rail 33 is stably installed on the ground and has several sets of limit switches. The controller 41 controls the start and stop of the reduction motor 34 according to the encoder pulse count or limit switch signal to achieve precise positioning of the cabinets 19. The several sets of cabinets 19 move smoothly under the drive of the walking device 35, and each storage box 22 is in the initial closed and locked state. When it is necessary to store files, the administrator can operate in two ways: Firstly, the administrator operates the system via the touchscreen 43, which provides a visual human-machine interface and displays the occupancy status of all storage boxes 22 within the cabinet 19. The administrator reads the RFID tags pre-attached to the files to be stored using the RFID reader 44, and then selects an empty target storage box 22 on the touchscreen 43. The touchscreen 43 sends an unlock command containing the location information of the storage box 22 to the controller 41, or the controller 41 can automatically allocate an empty target storage box 22. Based on the command, the controller 41 first determines whether a passageway needs to be cleared between the cabinet 19 containing the target storage box 22 and adjacent cabinets 19. If necessary, the controller 41 controls the start of the geared motor 34 of the cabinet 19 where the target storage box 22 is located. The geared motor 34 drives the main shaft 36 to rotate through the gear chain transmission device. The drive gear 39 on the main shaft 36 drives the driven gear 40 to rotate through the transmission chain, thereby driving the driven shaft 37 to rotate, and then driving the roller 38 to move along the ground slide rail 33 until the target cabinet 19 and the adjacent cabinet 19 move to create a channel of a preset width. During the movement, the target cabinet 19 will push all the cabinets 19 in the direction of movement to move together. The buffer rubber strip 20 can buffer the impact when the cabinets 19 move together.

[0042] Secondly, managers can also directly read the RFID tags pre-attached to the files to be stored through the RFID handheld terminal. The RFID handheld terminal sends the read file information to the controller 41. The controller 41 automatically allocates an empty target storage box 22 according to the preset storage rules or as specified by the manager in real time, and simultaneously completes the movement and relocation control of the cabinet 19. The process is the same as the first relocation method.

[0043] After the cabinet 19 is moved into place, the controller 41 immediately controls the locking mechanism corresponding to the target storage box 22 to perform the unlocking process. The target storage box 22 has a unique row and column in the matrix structure, corresponding to a specific set of horizontal bars 4 and a specific set of vertical bars 5. The controller 41 sends commands to the corresponding first telescopic device 2 and second telescopic device 3. The output end of the first telescopic device 2 extends, causing the connected horizontal bar 4 to slide a predetermined distance within the mounting sleeve 27, triggering a second microswitch within the mounting sleeve 27 in the extension direction; simultaneously, the output end of the second telescopic device 3 extends, causing the connected vertical bar 5 to slide a predetermined distance within its mounting sleeve 27, triggering a second microswitch within the mounting sleeve 27 in the extension direction. The movement of the horizontal bar 4 and the vertical bar 5 causes the locking tongue assembly 7 on the mounting plate 6 to move synchronously, disengaging each locking tongue assembly 7 from its corresponding locking groove 26. The two sets of locking tongue assemblies 7 corresponding to the target storage box 22 unlock simultaneously. For the storage box 22 in the same row, only the locking tongue assembly 7 on the horizontal bar 4 unlocks, while the vertical bar 5 remains locked. Similarly, for the storage box 22 in the same column, only the locking tongue assembly 7 on the vertical bar 5 unlocks, while the horizontal bar 4 remains locked. Therefore, only the target storage box 22 is fully unlocked. Then, the output end of the first telescopic device 2 retracts, resetting the connected horizontal bar 4 and triggering the second micro switch inside the inward mounting sleeve 27 in the retraction direction. Simultaneously, the output end of the second telescopic device 3 extends, resetting the connected vertical bar 5 and triggering the second micro switch inside the inward mounting sleeve 27 in the retraction direction, causing each locking tongue assembly 7 to re-insert into its corresponding locking groove 26.

[0044] After the target storage box 22 is unlocked, the second spring 32, which is compressed between the storage box 22 and the inner panel 30, releases its elastic force, pushing the target storage box 22 to automatically pop out of the storage compartment 21 a certain distance via the slide rail 23, creating a gap between the sealing plate 24 and the surface of the cabinet 19, making it easier for management personnel to identify and retrieve the item. Management personnel can then manually pull the storage box 22 out completely and place the file inside. After the operation is complete, the storage box 22 is manually pushed back, and the storage box 22 resets via the connecting rod 25, driving the locking rod 1 and the wedge block 8 to their original positions. The first limiting groove 15 on the locking tongue body 10 cooperates with the first limiting post 14 in the mounting hole 9 to ensure that the locking tongue body 10 does not rotate during sliding and resetting, ensuring that its inclined surface is always aligned with the inclined surface of the wedge block 8, resulting in stable and reliable operation. Because the second end of the latch body 10 is inclined and engages with the inclined surface of the wedge block 8, the inclined surfaces of the two sets of wedge blocks 8 will respectively squeeze and push the inclined surfaces of the corresponding latch body 10, allowing the latch body 10 to overcome the elastic force of the first spring 13 and slide away from the wedge block 8 along the mounting hole 9, compressing the first spring 13. As the storage box 22 is pushed back, the wedge block 8 slides completely past the latch body 10, and when the lock groove 26 moves to the position directly opposite the latch body 10, the first spring 13 releases its elastic force, pushing the latch body 10 into the lock groove 26 to complete the locking and achieve automatic locking, compressing the second spring 32. It should be noted that during the process of pushing back the storage box 22, the latch bodies 10 on the crossbar 4 and the vertical bar 5 move synchronously. When locking, the two sets of latch bodies 10 are simultaneously inserted into the corresponding lock grooves 26, the storage box 22 is completely pushed back, and the first micro switch is triggered. Thus, a complete file storage operation is completed.

[0045] For the intelligent filing cabinet using the mounting plate 6 structure in Embodiment 2, during the pushing back of the storage box 22, the inclined surface of the wedge block 8 will squeeze and push the locking tongue assembly 7. The locking tongue assembly 7 drives the movable plate 18 to rotate adaptively around the torsion spring shaft 17. When the wedge block 8 completely slides over the locking tongue assembly 7 and the locking groove 26 moves to the position directly opposite the locking tongue assembly 7, the torsion spring shaft 17 drives the movable plate 18 to rotate and reset. The locking tongue assembly 7 is inserted into the locking groove 26 to achieve automatic locking and complete the locking. The second spring 32 is compressed, the storage box 22 is completely pushed back, and the first micro switch is triggered.

[0046] When files need to be accessed, administrators can do so in two ways: Firstly, administrators can input the target file's number or other unique identifier via the touchscreen 43 to locate the cabinet 19 containing the target file and its storage box 22. The touchscreen 43 then sends an opening command to the storage box 22 to the controller 41. The controller 41 of the main control cabinet 19 and the controller 41 of the target cabinet 19 establish communication via a wireless transceiver module 42. Upon receiving the opening signal, the controller 41 of the target cabinet 19 first determines whether a passageway needs to be cleared between the cabinet 19 containing the target storage box 22 and adjacent cabinets 19. If so, a clearance mechanism is initiated, following the same procedure as described above. Then, the controller 41 controls the locking mechanism of the target storage box 22 to perform the unlocking process, which is identical to the unlocking process described above. After retrieving the target file, the storage box 22 is manually pushed back.

[0047] Secondly, the manager uses an RFID handheld terminal to input the file number or other unique identifier to locate the cabinet 19 containing the target file and the target storage box 22. Communication is established between the RFID handheld terminal and the wireless transceiver module 42 of the target cabinet 19, sending the opening command for the storage box 22 to the controller 41 of the target cabinet 19. Upon receiving the opening signal, the controller 41 first determines whether a passageway needs to be cleared between the cabinet 19 containing the target storage box 22 and adjacent cabinets 19. If so, a clearance mechanism is initiated, following the same procedure as described above. Then, the controller 41 controls the locking mechanism of the target storage box 22 to perform the unlocking process, which is identical to the unlocking process described above. After retrieving the target file, the storage box 22 is manually pushed back.

[0048] The intelligent filing cabinet of this invention supports batch retrieval of multiple files. The controller 41 first maps the file number or other unique identifier to the specific cabinet 19 number, and then makes room and unlocks the cabinets 19 in sequence according to their numbers to avoid insufficient space caused by unlocking multiple cabinets 19 at the same time. Files stored in the same cabinet 19 are unlocked in sequence according to the row and column numbers of the storage boxes 22 to avoid confusion caused by unlocking multiple storage boxes 22 at the same time. Only one pair of first telescopic device 2 and second telescopic device 3 is allowed to operate at the same time to prevent accidental operation that would cause multiple storage boxes 22 to be unlocked at the same time.

[0049] This invention achieves intelligent and automated storage and retrieval control for archives. The matrix-style row-column locking mechanism enables precise locking and unlocking of individual storage boxes 22 without opening the entire cabinet door, significantly improving the security and management efficiency of archive storage. Dual-mode input via the touchscreen 43 and RFID handheld terminal meets the needs of various usage scenarios. This invention includes a timeout alarm; if a storage box 22 is not pushed back within a predetermined time, the controller 41 issues an audible and visual alarm through the alarm module. Staff can set the predetermined time via the touchscreen 43. This invention facilitates both locking and unlocking of archives and allows for individual storage of archives, effectively improving the security and convenience of archive storage.

[0050] The descriptions of the orientation or relative positional relationships of the structures in this invention, such as "center", "up", "down", "left", "right", "vertical", "horizontal", "inner", and "outer", are based on the orientation or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the structure referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

Claims

1. A lock-removing mechanism, comprising a lock bar (1), characterized in that: It also includes a first telescopic device (2), a second telescopic device (3), a crossbar (4) and a vertical bar (5). The output end of the first telescopic device (2) is connected to the crossbar (4) through a connecting plate, and the output end of the second telescopic device (3) is connected to the vertical bar (5) through a connecting plate. Both the crossbar (4) and the vertical bar (5) are provided with mounting plates (6). The first end of the mounting plate (6) is provided with a locking tongue assembly (7), and the locking bar (1) is provided with a wedge block (8) corresponding to the locking tongue assembly (7).

2. The lock-unlocking mechanism according to claim 1, characterized in that: The first end of the mounting plate (6) is provided with a mounting hole (9). The latch assembly (7) includes a latch body (10), a limiting plate (11), a baffle (12) and a first spring (13). The first end of the latch body (10) is provided with a limiting plate (11), the middle part of the latch body (10) is provided with a baffle (12), the second end of the latch body (10) cooperates with the wedge block (8), the latch body (10) between the limiting plate (11) and the baffle (12) is slidably disposed in the mounting hole (9), and the latch body (10) between the baffle (12) and the mounting plate (6) is fitted with a first spring (13).

3. The lock-unlocking mechanism according to claim 2, characterized in that: The second end of the locking tongue body (10) is provided with an inclined surface that cooperates with the wedge block (8), and the mounting hole (9) is provided with a first limiting post (14). The locking tongue body (10) between the limiting plate (11) and the baffle (12) is provided with a first limiting groove (15), and the first limiting post (14) is located in the first limiting groove (15).

4. The lock-unlocking mechanism according to claim 1, characterized in that: The mounting plate (6) includes a fixed plate (16), a torsion spring shaft (17), and a movable plate (18). The fixed plate (16) is respectively mounted on the horizontal bar (4) and the vertical bar (5). The locking tongue assembly (7) is vertically mounted on the movable plate (18). The movable plate (18) is hinged to the fixed plate (16) through the torsion spring shaft (17).

5. An intelligent filing cabinet, comprising several sets of locking mechanisms as described in any one of claims 1 to 4, characterized in that: It also includes at least one cabinet (19), which has several sets of storage compartments (21) arranged in a matrix. Each storage compartment (21) has a storage box (22). The two sides of the storage box (22) are connected to the side walls of the storage compartment (21) via slide rails (23). The outer side of the storage box (22) is provided with a sealing plate (24) that cooperates with the storage compartment (21). The inner side of the storage box (22) is provided with a connecting rod (25). The connecting rod (25) is connected to the locking rod (1). The wedge block (8) and the connecting rod (25) are provided with a locking tongue. The second end of the main body (10) has a locking groove (26) that matches the main body. Several sets of horizontal bars (4) are horizontally set inside the cabinet (19) corresponding to each row of storage boxes (22). Several sets of mounting plates (6) corresponding to each row of storage boxes (22) are provided on the horizontal bars (4). Several sets of vertical bars (5) are vertically set inside the cabinet (19) corresponding to each row of storage boxes (22). Several sets of mounting plates (6) corresponding to each row of storage boxes (22) are provided on the vertical bars (5). The first telescopic device (2) and the second telescopic device (3) are both set on the cabinet (19).

6. The intelligent filing cabinet according to claim 5, characterized in that: The cabinet (19) is provided with several sets of installation sleeves (27). The installation sleeves (27) are provided with second limiting posts (28). The two ends of the horizontal bar (4) and the vertical bar (5) are provided with second limiting grooves (29). The two ends of the horizontal bar (4) and the vertical bar (5) are slidably set in the installation sleeves (27). The second limiting posts (28) are set in the second limiting grooves (29).

7. The intelligent filing cabinet according to claim 5, characterized in that: The cabinet (19) is also vertically provided with an inner panel (30), and the inner panel (30) is provided with several sets of through holes (31). The connecting rod (25) is slidably disposed in the through holes (31), and a second spring (32) is sleeved on the connecting rod (25). The second spring (32) is disposed between the storage box (22) and the inner panel (30), and the end of the second spring (32) is fixedly disposed on the storage box (22).

8. The intelligent filing cabinet according to claim 5, characterized in that: It also includes a floor slide rail (33), a geared motor (34) on one side of the cabinet (19), and a walking device (35) at the bottom of the cabinet (19). The walking device (35) includes a main shaft (36), a driven shaft (37) and rollers (38). The output end of the geared motor (34) is connected to one end of the main shaft (36) through a gear chain transmission device. The main shaft (36) and the driven shaft (37) are respectively set at the bottom of the cabinet (19) through several sets of bearing seats. The driven shaft (37) is set on both sides of the main shaft (36). Several sets of driving gears (39) are provided on the main shaft (36). A driven gear (40) is provided on the driven shaft (37). The driving gear (39) is connected to the driven gear (40) through a transmission chain. A roller (38) is provided on the driven shaft (37). The roller (38) is set on the floor slide rail (33). Several sets of limit switches are provided on the floor slide rail (33).

9. The intelligent filing cabinet according to claim 8, characterized in that: It also includes an RFID handheld terminal. Each cabinet (19) is equipped with a controller (41) and a wireless transceiver module (42). The controller (41) is electrically connected to each of the first telescopic device (2), the second telescopic device (3), the geared motor (34), and the wireless transceiver module (42). One set of cabinets (19) is also equipped with a touch screen (43) and an RFID reader (44) on the outer wall. The touch screen (43) and the RFID reader (44) are electrically connected to the controller (41) on the cabinet (19). The RFID handheld terminal is signal connected to the controller (41).