A file storage rack

Abstract

This invention relates to the field of archival storage equipment technology, and more particularly to a storage rack for archival documents. The invention provides a storage rack for archival documents, comprising a filing cabinet body, the interior of which is vertically divided into four storage layers, including two high-level storage areas; two cabinet doors, rotatably connected to the front side of the filing cabinet body; a support frame, slidably connected to the high-level storage areas, for supporting the high-level storage rack; and a sliding mechanism formed on the inner wall of the filing cabinet body, the sliding mechanism including a longitudinal sliding groove located in the high-level storage area and a vertical sliding groove communicating with the longitudinal sliding groove. This invention, through the cooperation of a drive component and the sliding mechanism, achieves an automated path for the high-level rack: "horizontal movement—vertical descent—reset and rise," safely and smoothly delivering the high-level storage units to a comfortable operating height, avoiding climbing and excessive extension, significantly improving access convenience, human comfort, and inherent safety.

Description

Technical Field

[0001] This invention relates to the field of archival storage equipment technology, and more particularly to a storage rack for archival documents. Background Technology

[0002] Archival storage racks (also known as file shelves, mobile shelving, or filing cabinets) are core infrastructure for government agencies, enterprises, libraries, medical institutions, and archives management centers at all levels to achieve systematic classification, secure storage, and efficient retrieval of paper documents. Currently, mainstream products generally adopt fixed, multi-layered steel or wooden structures, consisting of columns, beams, and rigid fixed shelves. They offer advantages such as structural stability, low manufacturing cost, strong overall load-bearing capacity, and large storage capacity, and have been widely used for many years.

[0003] However, with the increasing demands for more human-centered, barrier-free office design and more refined record management, traditional fixed file racks have revealed significant technical shortcomings: First, poor human-machine adaptability. Shelf heights are usually set according to a uniform standard (e.g., 30-35cm between each shelf), making it difficult to accommodate users of different heights (especially female operators under 160cm or elderly managers). This necessitates the use of ladders to retrieve files on higher shelves, posing safety hazards such as falls and falling objects. Second, insufficient visual accessibility. With shelves exceeding 180cm from the ground, users must crane their necks or even stand on tiptoe to read label information, which can easily lead to cervical strain with prolonged use. Furthermore, in poor lighting conditions, users are prone to mistaking or picking up the wrong files. Third, low operational efficiency. Frequent climbing, bending over, and manually searching for labels significantly increase the time required for each file retrieval, failing to meet the service goals of modern record management: "rapid response and precise positioning." Although some products have attempted to add sliding rails or electric lifting modules, they generally suffer from problems such as complex structure, high cost, difficult maintenance, and insufficient safety, making it difficult to popularize and apply them in grassroots units.

[0004] Therefore, there is an urgent need for a new type of storage rack for archives that is simple in structure, cost-controllable, safe and reliable, and highly adaptable and visually convenient, so as to effectively solve the practical problems of archives that are "inaccessible, invisible, and inconvenient to manage" at high locations. Summary of the Invention

[0005] To overcome the shortcomings of traditional filing racks, such as inconvenience in retrieving and placing files at high positions and difficulty in observing them, the technical problem to be solved is to provide a filing rack for storing documents.

[0006] The technical implementation of the present invention is as follows: a storage rack for archival documents includes a filing cabinet body, the interior of which is vertically divided into four storage layers, including two high-level storage areas; two cabinet doors, rotatably connected to the front side of the filing cabinet body; a support frame, slidably connected to the high-level storage areas, for supporting the high-level storage rack; a sliding mechanism, formed on the inner wall of the filing cabinet body, the sliding mechanism including a longitudinal sliding groove located in the high-level storage area and a vertical sliding groove communicating with the longitudinal sliding groove, the two end plates of the support frame extending into and being able to slide along the longitudinal sliding groove and the vertical sliding groove; and a drive assembly, installed on the filing cabinet body, for driving the support frame to move horizontally out along the longitudinal sliding groove, descend along the vertical sliding groove, and reverse to reset.

[0007] As a further preferred embodiment, the drive assembly includes: a first transmission unit comprising a first motor, a first lead screw driven by the first motor and rotatably connected to the cabinet, and a movable frame threadedly engaged with the first lead screw and slidably connected longitudinally to the cabinet, the first transmission unit being used to drive the movable frame to move horizontally; and a second transmission unit comprising a second motor, a second lead screw driven by the second motor and rotatably connected to the movable frame, and an L-shaped hook threadedly engaged with the second lead screw and slidably connected vertically to the movable frame, the second transmission unit being used to drive the L-shaped hook to lift and lower; wherein, the support frame has a slot that matches the L-shaped hook, the L-shaped hook being able to insert into or disengage from the slot to connect or separate the drive assembly from the support frame.

[0008] As a further preferred embodiment, the first transmission unit further includes a first pulley assembly connecting the first lead screws on the left and right sides; the second transmission unit further includes a second pulley assembly connecting the second lead screws on the left and right sides.

[0009] As a further preferred embodiment, a locking assembly for locking the support frame is also included. The locking assembly includes: a limiting frame, which is vertically slidably connected to the inner side wall of the filing cabinet body and corresponds to the slot position on the support frame; and a limiting spring, which is connected between the limiting frame and the filing cabinet body to provide a downward elastic restoring force for the limiting frame. The limiting frame can be inserted into the slot to lock the support frame under the action of the spring, and can be pushed upward by the L-shaped hook or squeezed upward by the inclined surface on the support frame.

[0010] As a further preferred embodiment, a tilt-stabilization control assembly is also included in the high-level storage area. This assembly includes: a gear fixed to both ends of the rotating shaft of the high-level storage rack; a rack fixed to the inner wall of the main body of the filing cabinet and meshing with the gear, used to keep the high-level storage rack tilted forward when the support frame is stationary; a plug rod slidably connected to the base plate of the support frame in the front-to-back direction; a limiting spring connected between the plug rod and the support frame; and a limiting groove formed at the bottom of the high-level storage rack. The plug rod is inserted into the limiting groove by elastic force when the support frame moves forward to lock the high-level storage rack in a vertical state, and is pushed out of the limiting groove by the cabinet back panel when the support frame resets to unlock.

[0011] As a further preferred embodiment, the rear side of the ear plate of the support frame is provided with a guide slope for pressing the limiting frame during reset.

[0012] As a further preferred embodiment, a linkage-type document straightening component is also included, which is disposed on the lower shelf. The component includes: a movable rod, which is vertically slidably connected to the front side of the lower shelf; a guide frame, which is fixed to the top of the lower shelf; a connecting block, which is fixed to the movable frame; and a connecting rope, which connects the movable rod and the connecting block and passes through the guide frame. When the movable frame moves forward, the movable rod is pulled upward by the connecting rope to straighten the document. When resetting, the movable rod descends by its own weight.

[0013] As a further preferred embodiment, the main body of the filing cabinet also includes: a first layer of space separated by partitions for storing taller files; and a fixedly installed low shelf on the second layer for storing frequently used files.

[0014] The beneficial effects of this invention are as follows: By cooperating with a specific sliding mechanism, this invention realizes an automated movement path of "horizontal movement out - vertical descent - reset and rise" for high-rise storage racks. This design safely and smoothly delivers storage units that were originally inconvenient to operate at high altitudes to a comfortable operating height in front of the user, allowing people to complete storage and retrieval operations without climbing or overstretching their bodies. This fundamentally solves the problems of laborious storage and retrieval, easy to cause fatigue and fall risk of traditional fixed high-rise racks, and greatly improves the convenience, comfort and inherent safety of operation.

[0015] This invention integrates multiple active safety mechanisms. The locking component can automatically lock the support frame when not in operation to prevent accidental sliding caused by external force collisions. The tilt-stabilization control component innovatively realizes the functions of static forward tilt for easy identification and dynamic vertical locking to ensure stability, perfectly balancing viewing angle optimization and movement stability, and completely avoiding the risk of files tipping over and scattering due to frame shaking during transportation. These designs together ensure the reliability of the equipment in both static storage and dynamic transportation states.

[0016] This invention utilizes the same power source that drives the removal of high-level shelves. It is automatically triggered before removal to organize the randomly placed files on the lower shelves, intelligently eliminating the risk of interference. At the same time, the device achieves classified storage and space optimization of files through a partitioned design (large-size file area, low-level fixed area for frequently used files, and high-level mobile area for infrequently used files). All components work together to achieve full automation and intelligence of the entire process of storage, retrieval, organization, locking, and posture adjustment without the need for additional independent control, significantly improving the overall efficiency of file management. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0018] Figure 2 This is a schematic diagram of the internal three-dimensional structure of the present invention.

[0019] Figure 3 This is a three-dimensional structural diagram of the support frame, high-rise placement frame, and movable frame of the present invention.

[0020] Figure 4 This is a three-dimensional structural diagram of the first lead screw, the second lead screw, and the L-shaped hook of the present invention.

[0021] Figure 5 This is a three-dimensional structural diagram of the gears, support frame, and insert rod of the present invention.

[0022] Figure 6 This is a three-dimensional structural diagram of the components of the present invention, including the insertion rod, the limiting spring, and the high-level placement rack.

[0023] Figure 7 This is a three-dimensional structural diagram of the connecting block, moving rod, and connecting rope of the present invention.

[0024] The components are as follows: 1: main body of the filing cabinet, 11: cabinet door, 101: low shelf, 102: support frame, 103: high shelf, 12: movable frame, 13: first motor, 14: first lead screw, 15: second motor, 16: L-shaped hook, 161: second lead screw, 17: limit frame, 18: limit spring, 19: slot, 110: first pulley assembly, 111: second pulley assembly, 2: rack, 21: gear, 22: insert rod, 23: limit spring, 24: limit groove, 3: connecting block, 31: connecting rope, 32: wire frame, 33: movable rod. Detailed Implementation

[0025] The technical solution will be further described below with reference to specific embodiments. It should be noted that the terms "up," "down," "left," and "right" used in this document refer only to the position of the structure shown in the corresponding drawings. The serial numbers assigned to components in this document, such as "first," "second," etc., are only used to distinguish the described objects and have no sequential or technical meaning. Unless otherwise specified, terms such as "connection" and "linkage" in this application include both direct and indirect connections (linkages).

[0026] Example 1: A storage rack for archival documents, such as Figures 1-4 As shown, the system includes a filing cabinet body 1 as the main body for carrying the main body. The front side of the filing cabinet body 1 is rotatably connected to symmetrically distributed cabinet doors 11 that can be controlled to open and close. The interior of the filing cabinet body 1 is divided into multiple storage layers along the vertical direction. In this embodiment, it is preferably set to four layers, which are defined as the first layer, the second layer, the third layer and the fourth layer from bottom to top, wherein the third layer and the fourth layer are regarded as high-level storage areas.

[0027] To accommodate the storage needs of documents of different sizes, the first layer is further divided by evenly arranged partitions to create a space suitable for storing taller documents. A low-level shelf 101 is fixedly installed in the second layer; this shelf is used to store frequently accessed documents for easy daily retrieval.

[0028] For the high-level storage area, the third and fourth layers are respectively connected by a sliding support frame 102, and each support frame 102 is rotatably mounted with a high-level placement rack 103 for storing infrequently accessed archives and documents, thereby realizing the rational planning and classification management of space.

[0029] To support and guide the movement of the support frame 102, longitudinal sliding grooves are provided on the left and right inner sidewalls of the filing cabinet body 1 at the positions corresponding to the third and fourth layers. Simultaneously, vertical sliding grooves are provided on the left and right inner sidewalls near the cabinet door 11, and the longitudinal sliding grooves of each layer are connected to the adjacent vertical sliding grooves. Both ends of each support frame 102 extend into the corresponding longitudinal sliding groove of the same layer and can slide along it, thereby realizing the translation and steering adjustment functions of the high-level placement shelf 103.

[0030] When it is necessary to access files on higher shelves (such as the third shelf), the support shelf 102 of that shelf is controlled by the drive component. The support shelf 102 first moves horizontally along the longitudinal slide of the shelf towards the cabinet door 11, which moves the upper shelf 103 and the stored files on it out of the cabinet's internal space.

[0031] When the support frame 102 slides to the intersection of the longitudinal and vertical slide tracks, it turns under the control of the drive assembly and begins to descend vertically along the vertical slide track until the high-level shelf 103 is lowered to a height that is convenient for the user to operate safely and comfortably. At this point, the user can easily and directly retrieve and place files without the need for ladders or excessive stretching of the body.

[0032] After the file retrieval and placement operations are completed, the drive component drives the support frame 102 to rise along the vertical slide rail. After reaching the intersection point, it turns and retracts horizontally inward along the longitudinal slide rail, finally restoring the upper shelf 103 to its original storage position within the main body of the filing cabinet 1. The operating principle of the fourth layer is the same.

[0033] This design uses a motion logic of "horizontal movement out - vertical descent - reset and rise" to temporarily transform high-rise storage space into an ergonomic and comfortable operating range, effectively solving the problems of inconvenient access and poor visibility in traditional fixed high-rise racks.

[0034] The left and right side walls of the main body 1 of the filing cabinet each have cavities for accommodating the drive assembly. The drive assembly includes a first transmission unit for horizontal drive and a second transmission unit for lifting drive.

[0035] The first transmission unit drives the movable frame 12 to move horizontally along the longitudinal direction. It includes two first lead screws 14 that are symmetrically arranged on the left and right sides and rotatably connected to the lower part of the inner walls of the main body of the filing cabinet 1. The first motor 13 is fixedly installed inside the right side wall of the main body of the filing cabinet 1, and its output shaft is fixedly connected to the rear end of the first lead screw 14 on the right side through a coupling. The rear ends of the two first lead screws 14 on the left and right sides are synchronously connected through a first pulley assembly 110 to ensure that the lead screws on both sides rotate synchronously.

[0036] The filing cabinet body 1 has two movable frames 12 that slide longitudinally on the left and right inner walls. The two movable frames 12 are respectively threaded into the first lead screws 14 on the corresponding sides. Therefore, under the drive of the first motor 13, the two first lead screws 14 rotate synchronously, which can drive the two movable frames 12 to move horizontally longitudinally.

[0037] The second transmission unit is used to drive the L-shaped hook 16 to move vertically, and includes a second lead screw 161 that is rotatably connected to each movable frame 12 in a vertical direction. The lower ends of the two second lead screws 161 are synchronously connected through a second pulley assembly 111. The second motor 15 is fixedly installed in the movable frame 12 on the right side, and its output shaft is fixedly connected to the lower end of the second lead screw 161 on the right side through a coupling.

[0038] Each movable frame 12 has an L-shaped hook 16 slidably connected vertically inside. The two L-shaped hooks 16 on the left and right are respectively engaged with the second lead screw 161 on the corresponding side by threads. When the second motor 15 drives the second lead screw 161 to rotate, it can drive the L-shaped hooks 16 to move up and down vertically.

[0039] Each support frame 102 has a slot 19 on its left and right side ear plates that matches the shape of the L-shaped hook 16. During operation, the L-shaped hook 16 can be inserted into or disengaged from the slot 19 to achieve power connection and separation between the drive component and the support frame 102, thereby transmitting horizontal or vertical driving force to the support frame 102 to perform its "remove-lower" or "rise-reset" compound movement.

[0040] First, the first motor 13 is started, driving the two first lead screws 14 to rotate synchronously, which in turn moves the moving frame 12 and the second transmission unit mounted on it horizontally forward until the L-shaped hook 16 is vertically aligned with the slot 19 on the third layer support frame 102. Then, the second motor 15 is started, driving the two second lead screws 161 to rotate synchronously, causing the L-shaped hook 16 to rise and insert into the slot 19, thus achieving a mechanical connection between the drive unit and the support frame 102.

[0041] Maintaining the connection, drive the first motor 13 again to make the moving frame 12 continue to move forward horizontally. Through the cooperation of the L-shaped hook 16 and the slot 19, the support frame 102 of the third layer and the upper shelf 103 on it are driven to move horizontally out of the cabinet along the longitudinal slide rail until the support frame 102 enters the vertical slide rail area.

[0042] The second motor 15 is reversed, driving the second lead screw 161 to lower the L-shaped hook 16 vertically. In the connected state and under the weight of the frame itself, the support frame 102 and the high-level placement rack 103 descend together until they reach a height suitable for safe operation. At this point, the files can be retrieved and placed directly.

[0043] After the retrieval and placement are completed, the second motor 15 is driven to rotate forward, raising the support frame 102 to the height aligned with the longitudinal slide rail of the third layer. Then, the first motor 13 is driven to rotate in reverse, causing the support frame 102 to move horizontally back to its original position. Finally, the L-shaped hook 16 is controlled to descend and disengage from the slot 19, and the moving frame 12 returns to its initial position, completing one storage and retrieval cycle.

[0044] The operation of the fourth layer is the same as described above. Only the vertical height of the L-shaped hook 16 needs to be adjusted before docking so that it is aligned with the slot 19 of the fourth layer support frame 102 and then connected.

[0045] The control system achieves horizontal movement out and retraction through the first transmission unit and lifting docking and height adjustment through the second transmission unit, thereby safely and smoothly transporting the high-level storage unit to the ergonomic and comfortable operating area, significantly improving the convenience and efficiency of file access.

[0046] When the existing movable filing cabinet is subjected to external force or moved, the upper support frame 102 is prone to accidental sliding along the slide rail, which can lead to the storage rack position being offset, the files being placed in a disorderly manner, and even safety hazards. Therefore, it is necessary to design a locking component to lock the position of the support frame 102.

[0047] like Figure 2 and Figure 3 As shown, specifically, the left and right inner walls of the filing cabinet body 1 are vertically slidably connected to limit frames 17 on the side near each support frame 102. These limit frames 17 function as locking elements. A limiting spring 18 connects each limit frame 17 to the inner wall of the filing cabinet body 1. The limiting spring 18 is sleeved on a pre-set guide post on the filing cabinet body 1 to provide a continuous elastic restoring force to the limit frame 17. The lower end of the limit frame 17 matches the size of the slot 19 on the ear plate of the support frame 102. Mechanical locking is achieved by inserting into the slot 19, thereby fixing the support frame 102 in its initial position. Furthermore, a guide slope is machined on the rear side (i.e., the side near the inner side of the cabinet) of each support frame 102 ear plate.

[0048] In the non-working state, each limiting bracket 17 remains in a downward extended state under the elastic force of the limiting spring 18 below, and is inserted into the slot 19 of the ear plate of the corresponding support bracket 102 to form a mechanical lock, thereby reliably fixing the support bracket 102 in the initial position inside the filing cabinet body 1 and preventing it from sliding accidentally.

[0049] When access to the files on this layer is required, the L-shaped hook 16 is driven upward. As the L-shaped hook 16 is inserted into the slot 19, its top contacts and pushes the limiting frame 17 upward, causing the limiting frame 17 to compress the limiting spring 18 and slide upward, thereby exiting the slot 19. At this time, the support frame 102 is unlocked and driven by the L-shaped hook 16.

[0050] When the file storage and retrieval are completed, as the support frame 102 moves horizontally backward under the action of the L-shaped hook 16, the guide ramp on the rear side of its ear plate will contact the lower end of the limiting frame 17. With the continued action of the reset stroke, the ramp presses against the limiting frame 17, causing it to move upward again and compress the spring until the slot 19 moves to a position aligned with the limiting frame 17. Subsequently, as the L-shaped hook 16 descends and disengages from the slot 19, the limiting frame 17 automatically pops out downward under the restoring force of the limiting spring 18, re-inserting into the slot 19, thus completing the automatic locking of the support frame 102.

[0051] Existing high-level storage units in filing shelves generally suffer from difficulties in label identification. When shelves are too high (e.g., more than 180cm from the ground), users not only need to crane their necks or use tools, but are also prone to mis-picking or grabbing items in low light, resulting in a poor user experience and low efficiency. Although some technologies have proposed tilting high-level shelves to improve viewing angles, such designs often lack an effective attitude locking mechanism during shelf movement, lowering, or repositioning, causing the shelves and their stored files to shake, tilt, or even slip. This is especially true for shelves that are not full, where the risk of files scattering is even higher, seriously affecting the safety and reliability of the access process.

[0052] Therefore, a "tilt-stabilization control component" integrated into the high-level shelf 103 needs to be designed. This component needs to achieve two core functions: first, when the shelf is stationary in the storage position, it can automatically maintain a forward tilt posture, making it easy for users to identify file labels at eye level from the ground; second, when the shelf is driven out, lowered, and reset, it can automatically lock it in a vertical state fixed to the support frame 102 to ensure smooth movement and file safety, and automatically restore the forward tilt display posture after reset, thus taking into account both the requirements of viewing angle optimization and movement stability.

[0053] like Figure 5 and Figure 6 As shown, specifically, gears 21 are fixedly connected to both ends of the rotating shaft of each high-level shelf 103. On the left and right inner side walls of the main body of the filing cabinet 1, corresponding to the storage position of each high-level shelf 103, racks 2 that mesh with the aforementioned gears 21 are fixedly installed. When the support frame 102 and the high-level shelf 103 are in a stationary state inside the cabinet, under the meshing action of the gears 21 and the fixed racks 2, the high-level shelf 103 will automatically tilt forward at a predetermined angle relative to the support frame 102, so that the file labels are tilted towards the user, thereby making it easier for staff to identify them at eye level from the ground.

[0054] To ensure the vertical stability of the high-rise placement rack 103 during removal, descent, and repositioning, each support rack 102 has a sliding rod 22 connected in the front-to-back direction within its base plate. This rod 22 acts as a movable locking pin. A limit spring 23 connects the rod 22 to the adjacent support rack 102, and this spring is typically fitted onto the guide structure of the adjacent support rack 102. A limiting groove 24, matching the upper end of the rod 22, is provided at a corresponding position on the bottom of each high-rise placement rack 103.

[0055] In the initial state, when the support frame 102 is located at the rearmost part of the cabinet, the rear end of the insertion rod 22 is pressed against the back panel of the main body 1 of the filing cabinet, forcing the insertion rod 22 to move forward and compress the limiting spring 23, so that it is in an energy storage state. At this time, the insertion rod 22 separates from the limiting groove 24, and the high-level placement rack 103 can deflect freely.

[0056] When the support frame 102 is driven to move forward, the rack 2 fixed on the inner wall of the cabinet meshes with the gear 21 installed on the high-rise placement rack 103. Under this action, the high-rise placement rack 103 moves forward horizontally while rotating backward relative to the support frame 102 until its bottom is in contact with the bottom plate of the support frame 102, returning to a vertical state.

[0057] At the same time, the insertion rod 22, which moves forward along with the support frame 102, gradually disengages from the back panel of the main body 1 of the filing cabinet. Once disengaged, the limit spring 23, which is in a compressed state, releases its elasticity, driving the insertion rod 22 to slide backward, so that its upper end is accurately inserted into the limit groove 24 at the bottom of the high-level shelf 103.

[0058] Thus, the high-level shelf 103 is mechanically locked to the support frame 102, forming a rigid whole. This locking state ensures that the high-level shelf 103 remains vertically stable throughout the subsequent horizontal movement, vertical descent, and upward resetting driven by the L-shaped hook 16, and the files stored inside also remain upright, effectively preventing files from scattering due to shaking or tilting, which is especially important for shelves that are not fully loaded.

[0059] When the support frame 102 and the tall shelf 103 need to be moved backward and reset to their storage positions within the cabinet, the insert rod 22 first contacts the back panel of the main body 1 of the filing cabinet. As the reset motion continues, the back panel forces the insert rod 22 to slide forward against the force of the limiting spring 23, causing its upper end to disengage from the limiting groove 24 and releasing the locking of the tall shelf 103. Subsequently, during the continued backward movement, the gear 21 re-engages with the fixed rack 2, driving the tall shelf 103 to rotate forward relative to the support frame 102, restoring it to the preset forward tilt angle.

[0060] Finally, when the support frame 102 is fully reset to its initial position, the insertion rod 22 remains in a forward-compressed state under the support of the back plate, while the high-level placement rack 103 is stably maintained in a forward-tilting posture under the action of the gear 21-rack 2 mechanism, making it easy for users to identify the labels.

[0061] Example 2: In the process of accessing the upper unit of the existing file rack, the lower-level files are often misplaced due to frequent access, and some files protrude outside the rack, which hinders the safe descent of the upper unit and is prone to causing file crushing and damage. It is necessary to design a "linked document straightening component" that is linked with the upper-level access drive mechanism.

[0062] like Figure 7As shown, specifically, a movable rod 33 is vertically slidably connected to the front frame of the lower shelf 101, serving as a guiding push rod. On the left and right sides of the top surface of the lower shelf 101, a set of guide components is fixed, each set consisting of two front-to-back wire guide frames 32. A connecting block 3 is fixed to each movable frame 12. The traction mechanism consists of two connecting ropes 31, both ends of which are fixed to the ends of the movable rod 33, and the middle sections pass through the guide path formed by the two wire guide frames 32 on the same side, ultimately connecting to the connecting block 3 on the corresponding side.

[0063] When the movable frame 12 is driven forward to perform the removal operation of the upper-level unit, the connecting block 3 fixed to it moves forward synchronously. The connecting block 3 pulls the moving rod 33 through the connecting rope 31, causing it to slide vertically upward. The upward-moving moving rod 33 acts on any documents that may protrude from the front edge of the lower-level placement rack 101, pushing them backward and straightening them, ensuring that all documents are neatly upright inside the rack, thereby clearing a safe space for the descent of the upper-level unit.

[0064] When the high-level unit is retrieved and the moving frame 12 moves backward to reset, the connecting block 3 retracts accordingly, and the connecting rope 31 loosens, losing its traction on the moving rod 33. Under its own weight, the moving rod 33 slides down vertically and automatically returns to its initial low position, preparing for the next alignment operation.

[0065] This component enables intelligent linkage with high-level access operations: it automatically triggers a aligning action only before the high-level unit needs to be lowered, without the need for additional power or control, effectively eliminating the risk of interference caused by uneven stacking of low-level files, and ensuring file security and smooth operation.

[0066] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A storage rack for archival documents, characterized in that, It includes a filing cabinet body (1), the interior of which is divided into four storage layers along the vertical direction, including two high-level storage areas; The cabinet doors (11) consist of two doors, which are rotatably connected to the front side of the main body (1) of the filing cabinet; The support frame (102) is slidably connected to the high-level storage area and is used to support the high-level placement rack (103); the slide mechanism is opened on the inner side wall of the main body of the filing cabinet (1), the slide mechanism includes a longitudinal slide in the high-level storage area and a vertical slide communicating with the longitudinal slide, the ear plates at both ends of the support frame (102) extend in and can slide along the longitudinal slide and the vertical slide; The drive assembly is installed on the main body (1) of the filing cabinet and is used to drive the support frame (102) to move horizontally out along the longitudinal slide, descend along the vertical slide, and reverse reset in sequence.

2. A storage rack for archival documents according to claim 1, characterized in that, The driving component includes: The first transmission unit includes a first motor (13), a first lead screw (14) driven by the first motor (13) and rotatably connected to the cabinet, and a movable frame (12) threadedly engaged with the first lead screw (14) and slidably connected to the cabinet in the longitudinal direction. The first transmission unit is used to drive the movable frame (12) to move horizontally. The second transmission unit includes a second motor (15), a second lead screw (161) driven by the second motor (15) and rotatably connected to the movable frame (12), and an L-shaped hook (16) threadedly engaged with the second lead screw (161) and slidably connected in the vertical direction within the movable frame (12). The second transmission unit is used to drive the L-shaped hook (16) to rise and fall. The support frame (102) has a slot (19) that matches the L-shaped hook (16). The L-shaped hook (16) can be inserted into or removed from the slot (19) to connect or separate the drive assembly from the support frame (102).

3. A storage rack for archival documents according to claim 2, characterized in that, The first transmission unit further includes a first pulley assembly (110) connecting the first lead screws (14) on the left and right sides; the second transmission unit further includes a second pulley assembly (111) connecting the second lead screws (161) on the left and right sides.

4. A storage rack for archival documents according to claim 1, characterized in that, It also includes a locking assembly for locking the support frame (102), the locking assembly comprising: The limiting frame (17) is vertically slidably connected to the inner wall of the main body (1) of the filing cabinet and corresponds to the position of the slot (19) on the support frame (102); A limiting spring (18) is connected between the limiting frame (17) and the main body of the filing cabinet (1) to provide a downward elastic restoring force for the limiting frame (17); The limiting frame (17) can be inserted into the slot (19) under the action of the spring to lock the support frame (102), and can be pushed up by the L-shaped hook (16) or squeezed up by the inclined surface of the support frame (102) to move upward.

5. A storage rack for archival documents according to claim 1, characterized in that, It also includes a tilt-stabilization control component located in the upper storage area, which includes: Gear (21) is fixed to both ends of the rotating shaft of the high-rise placement frame (103); A rack (2) is fixed to the inner wall of the main body (1) of the filing cabinet and meshes with the gear (21) to keep the high-level shelf (103) tilted forward when the support frame (102) is stationary; The insertion rod (22) is slidably connected to the base plate of the support frame (102) in the front-back direction; A limiting spring (23) is connected between the insert rod (22) and the support frame (102); A limiting groove (24) is provided at the bottom of the high-rise placement rack (103); When the support frame (102) moves forward, the insertion rod (22) is inserted into the limiting groove (24) by elastic force to lock the high-rise placement rack (103) in a vertical state. When the support frame (102) is reset, it is squeezed by the cabinet back panel and exits the limiting groove (24) to unlock.

6. A storage rack for archival documents according to claim 5, characterized in that, The support frame (102) has a guide slope on the rear side of the ear plate for pressing the limiting frame (17) during reset.

7. A storage rack for archival documents according to claim 1, characterized in that, It also includes a linked document organizing component disposed on the lower shelf (101), the component comprising: The movable rod (33) is vertically slidably connected to the front side of the lower placement rack (101); The wire frame (32) is fixed to the top of the lower placement frame (101); The connecting block (3) is fixed to the movable frame (12); A connecting rope (31) is connected between the moving rod (33) and the connecting block (3) and passes through the conductor frame (32). When the moving frame (12) moves forward, it pulls the moving rod (33) upward by connecting rope (31) to straighten the document. When it is reset, the moving rod (33) descends by its own weight.

8. A storage rack for archival documents according to claim 7, characterized in that, The main body (1) of the filing cabinet also includes: a first layer of space separated by partitions for storing taller files; and a fixed low shelf (101) on the second layer for storing frequently used files.

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