A freely modifiable disassembled and assembled filing cabinet

Abstract

The present invention relates to a filing cabinet, and particularly to a dismountable filing cabinet that can be freely modified. The present invention provides a dismountable filing cabinet that can be freely modified and whose internal space height of each layer can be manually adjusted. A dismountable filing cabinet that can be freely modified includes an outer frame, a first baffle, an inner frame, a dismounting and assembling mechanism, and a lifting mechanism. First baffles are rotatably provided on the left and right sides of the front part of the outer frame, and the first baffles are used to open and close the outer frame. An inner frame is provided inside the outer frame. A dismounting and assembling mechanism for facilitating the assembly and disassembly of the dismountable filing cabinet that can be freely modified is provided on the outer frame. A lifting mechanism for reasonably distributing the space inside the inner frame and facilitating the placement of documents is provided inside the inner frame. People can stack two dismountable filing cabinets that can be freely modified from top to bottom. The upper first sliding plate will be engaged with the rectangular groove on the lower first fixing plate, and the two dismountable filing cabinets that can be freely modified are fixedly stacked together, which is convenient for assembly and disassembly.

Description

Technical Field

[0001] The present invention relates to a filing cabinet, and more particularly to a dismountable filing cabinet that can be freely changed. Background Art

[0002] People commonly use filing cabinets to store archival materials or other items. To overcome the disadvantages of traditional filing cabinets, such as large size, non-foldability, difficult handling, and large space occupation, a dismountable filing cabinet that can be freely changed has emerged on the market. However, at present, some dismountable filing cabinets that can be freely changed have problems with internal space allocation, and their functions are not yet perfect enough.

[0003] Patent application CN211186387U, with a publication date of August 7, 2020, discloses a dismountable filing cabinet, including an upper cabinet, which has a disassembled state and an assembled state; a lower cabinet, which is arranged at the lower end of the upper cabinet and forms a movable connection with the upper cabinet; when the entire upper cabinet is placed inside the lower cabinet, it is in the disassembled state; when a part of the upper cabinet is fixed on the lower cabinet, it is in the assembled state; the lower cabinet is mainly a fixed structure, and at the same time, it cooperates with the upper cabinet to switch between two states of disassembly and assembly. When the upper cabinet is disassembled, it does not disconnect from the lower cabinet; the dismountable filing cabinet provided by the present invention is different from the overall disassembly and reassembly of existing detachable filing cabinets. A part of the cabinet body is disassembled and folded and stored in another part of the cabinet body, which not only avoids the problem of the overly large volume and difficult handling of the integrally welded filing cabinet but also solves the problem of difficult reassembly after disassembly, is convenient to use, and saves manpower. However, the space height of each layer inside the above-mentioned dismountable filing cabinet is fixed and cannot be adjusted according to the height of the documents, making it difficult to store documents with too high a height.

[0004] In view of this, in response to the above problems, it is of great significance to develop a dismountable filing cabinet that can be freely changed and whose internal space height of each layer can be manually adjusted for the improvement of dismountable filing cabinets that can be freely changed. Summary of the Invention

[0005] In order to overcome the disadvantage that the space height of each layer inside the dismountable filing cabinet that can be freely changed is fixed and it is not convenient to store documents with too high a height, the technical problem to be solved is: to provide a dismountable filing cabinet that can be freely changed and whose internal space height of each layer can be manually adjusted.

[0006] The technical solution is: a dismountable filing cabinet that can be freely changed, including an outer frame, a first baffle, an inner frame, a drawer, a disassembly and assembly mechanism, and a lifting mechanism. First baffles are rotatably provided on both the left and right sides of the front part of the outer frame, and the first baffles are used to open and close the outer frame. An inner frame is provided inside the outer frame. A drawer for placing documents is slidably provided on the upper part of the inner frame. A disassembly and assembly mechanism for facilitating people to assemble and disassemble the dismountable filing cabinet that can be freely changed is provided on the outer frame. A lifting mechanism for reasonably distributing the space inside the inner frame and facilitating the placement of documents is provided inside the inner frame.

[0007] As a further preferred solution, the first fixing plate, the second fixing plate, the first sliding plate and the first spring constitute a disassembly and assembly mechanism. The upper rear part of the outer frame and the upper front part of the inner frame are both symmetrically provided with the first fixing plates on the left and right. The lower rear part of the outer frame and the lower front part of the inner frame are both symmetrically provided with the second fixing plates on the left and right. The first sliding plates are all slidably arranged inside the second fixing plates, and the first springs are wound around the upper parts of the first sliding plates. The two ends of the first spring are respectively connected to the second fixing plate and the first sliding plate.

[0008] As a further preferred solution, the first rotating plate, the second sliding plate, the third sliding plate, the first fixing rod, the supporting plate and the second spring constitute a lifting mechanism. Two second sliding plates are slidably arranged on the right side inside the inner frame, and two third sliding plates are slidably arranged on the left side inside the inner frame. The first rotating plates for placing documents are rotatably connected between the second sliding plate and the third sliding plate on the same side horizontally. Two first fixing rods are slidably arranged on the left side of the inner frame. A supporting plate is connected between the two first fixing rods. The supporting plate engages and limits the third sliding plate. The second springs are wound around the first fixing rods. The two ends of the second spring are respectively connected to the first fixing rod and the supporting plate.

[0009] As a further preferred solution, it further includes an inclination mechanism for inclining the first rotating plate to facilitate people to pick up and place documents. The sliding rod, the third spring and the second rotating plate constitute the inclination mechanism. The second rotating plates are arranged on the right sides of the third sliding plates. The sliding rods are slidably arranged on the left front side of the front side of the first rotating plates. The sliding rods are all engaged with the adjacent second rotating plates. The third springs are wound around the middle parts of the sliding rods. The two ends of the third spring are respectively connected to the sliding rod and the first rotating plate.

[0010] As a further preferred solution, it further includes a blocking mechanism for blocking and limiting the lower part of the document to prevent the document from falling. The second baffle, the second fixing rod, the first torsion spring, the third fixing plate, the fourth sliding plate and the fourth spring constitute the blocking mechanism. The second fixing rods are arranged on the front side of the first rotating plates. The second baffles are rotatably arranged on the second fixing rods. The first torsion springs are wound around the left sides of the second fixing rods. The two ends of the first torsion spring are respectively connected to the second baffle and the second fixing rod. The third fixing plates are arranged on the left front side of the bottom of the first rotating plates. The fourth sliding plates are slidably arranged on the left sides of the third fixing plates. The fourth springs are wound around the right sides of the fourth sliding plates. The two ends of the fourth spring are respectively connected to the fourth sliding plate and the third fixing plate.

[0011] As a further preferred solution, it further includes a fixing mechanism for clamping and limiting the documents to prevent the documents from being distorted and deformed due to long-term inclination. The third baffle, the third fixing rod, the fourth fixing rod, the fifth slide plate, the fifth spring and the fifth fixing rod constitute the fixing mechanism. The third fixing rods are arranged on the front side of the first rotating plate. The third baffles for clamping the documents are slidably arranged on the left side of the third fixing rods. The fourth fixing rods are symmetrically arranged left and right inside the front side of the first rotating plate. A fifth slide plate is slidably connected between the two fourth fixing rods. The fifth slide plate clamps and limits the third baffle. The fifth fixing rods slidably connected to the fifth slide plate are arranged on the right rear sides of the second baffles. The fifth springs are wound around the fourth fixing rods. The two ends of the fifth spring are respectively connected to the fourth fixing rod and the fifth slide plate.

[0012] As a further preferred solution, it further includes a sorting mechanism for sorting and separating the documents. The threaded rod, the sixth fixing rod, the fourth baffle and the second torsion spring constitute the sorting mechanism. The threaded rods are evenly arranged in a threaded manner on the lower part of the front side of the inner frame. Three sixth fixing rods are evenly rotatably arranged on the lower side inside the inner frame. The fourth baffles are arranged on the front and rear sides of the sixth fixing rods. The second torsion springs are wound around the front and rear sides of the sixth fixing rods. The two ends of the second torsion spring are respectively connected to the inner frame and the fourth baffle. The threaded rods are respectively engaged with the adjacent fourth baffles.

[0013] As a further preferred solution, a handle is provided at the front of the drawer.

[0014] Compared with the prior art, the present invention has the following advantages: 1. People can stack two freely modifiable dismountable filing cabinets from top to bottom. The upper first slide plate will be engaged with the rectangular groove on the lower first fixing plate, and the two freely modifiable dismountable filing cabinets are fixedly stacked together, which is convenient for assembly and disassembly.

[0015] 2. When the third slide plate is not engaged with the supporting plate, people can push the first rotating plate up and down according to the height of the documents to adjust the height of each layer inside the inner frame, improving the space utilization rate inside the inner frame.

[0016] 3. When the slide rod is no longer engaged with the second rotating plate, people pull up the first rotating plate, and the documents placed on the first rotating plate will rotate and tilt slightly upwards, which is convenient for people to see the label categories on the documents and take out the urgently needed documents.

[0017] 4. After the second baffle rotates upwards, it blocks and limits the lower part of the documents placed on the first rotating plate, preventing people from accidentally hitting the freely modifiable dismountable filing cabinet and causing the documents to fall.

[0018] 5. By adjusting the position of the third baffle, the documents are clamped and limited to prevent the documents from being bent and deformed due to long-term inclination.

[0019] 6. When the threaded rod is not engaged with the fourth baffle, the second torsion spring in a torsional deformation resets and drives the sixth fixed rod and the fourth baffle to rotate upward as a whole, and the lower space of the inner frame is evenly divided, so that people can sort and store documents separately. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention.

[0021] Figure 2 It is a schematic diagram of a partial three-dimensional structure of the present invention.

[0022] Figure 3 It is a schematic diagram of the overall three-dimensional structure of the disassembly and assembly mechanism of the present invention.

[0023] Figure 4 It is a schematic diagram of a partial sectional three-dimensional structure of the disassembly and assembly mechanism of the present invention.

[0024] Figure 5 It is a schematic diagram of the overall three-dimensional structure of the lifting mechanism of the present invention.

[0025] Figure 6 It is a schematic diagram of a partial sectional three-dimensional structure of the lifting mechanism of the present invention.

[0026] Figure 7 It is an enlarged schematic diagram of part A of the present invention.

[0027] Figure 8 It is a schematic diagram of the overall three-dimensional structure of the tilting mechanism of the present invention.

[0028] Figure 9 It is a schematic diagram of a partial sectional three-dimensional structure of the tilting mechanism of the present invention.

[0029] Figure 10 It is an enlarged schematic diagram of part B of the present invention.

[0030] Figure 11 It is a schematic diagram of the overall three-dimensional structure of the blocking mechanism of the present invention.

[0031] Figure 12 It is a schematic diagram of a partial three-dimensional structure of the blocking mechanism of the present invention.

[0032] Figure 13 It is a schematic diagram of a sectional three-dimensional structure of the blocking mechanism of the present invention.

[0033] Figure 14 It is an enlarged schematic diagram of part C of the present invention.

[0034] Figure 15 It is a schematic diagram of the overall three-dimensional structure of the fixing mechanism of the present invention.

[0035] Figure 16This is a partial sectional three-dimensional structure schematic diagram of the fixing mechanism of the present invention.

[0036] Figure 17 This is an enlarged schematic diagram of the D part of the present invention.

[0037] Figure 18 This is an overall three-dimensional structure schematic diagram of the sorting mechanism of the present invention.

[0038] Figure 19 This is a partial sectional three-dimensional structure schematic diagram of the sorting mechanism of the present invention.

[0039] Figure 20 This is an enlarged schematic diagram of the E part of the present invention.

[0040] Reference numerals in the drawings: 1: outer frame, 2: first baffle, 3: inner frame, 4: drawer, 5: disassembly and assembly mechanism, 51: first fixing plate, 52: second fixing plate, 53: first sliding plate, 54: first spring, 6: lifting mechanism, 61: first rotating plate, 62: second sliding plate, 63: third sliding plate, 64: first fixing rod, 65: supporting plate, 66: second spring, 7: tilting mechanism, 71: sliding rod, 72: third spring, 73: second rotating plate, 8: blocking mechanism, 81: second baffle, 82: second fixing rod, 83: first torsion spring, 84: third fixing plate, 85: fourth sliding plate, 86: fourth spring, 9: fixing mechanism, 91: third baffle, 92: third fixing rod, 93: fourth fixing rod, 94: fifth sliding plate, 95: fifth spring, 96: fifth fixing rod, 10: sorting mechanism, 101: threaded rod, 102: sixth fixing rod, 103: fourth baffle, 104: second torsion spring. Detailed implementation manners

[0041] Next, the technical solutions in the embodiments of the present invention will be described clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0042] Embodiment 1

[0043] A dismountable filing cabinet that can be freely modified, as Figure 1 and Figure 2As shown in the figure, it includes an outer frame 1, a first baffle 2, an inner frame 3, a drawer 4, a disassembly and assembly mechanism 5, and a lifting mechanism 6. On the left and right sides of the front part of the outer frame 1, the first baffle 2 is provided in a hinged manner. The inner frame 3 is fixedly provided inside the outer frame 1. The drawer 4 is slidably provided in the upper part of the inner frame 3. A handle is fixedly provided in the front part of the drawer 4, which is convenient for people to pull the drawer 4. The disassembly and assembly mechanism 5 is provided on the outer frame 1, and the disassembly and assembly mechanism 5 is convenient for people to assemble and disassemble the freely modifiable disassembly and assembly filing cabinet. The lifting mechanism 6 is provided inside the inner frame 3, and the lifting mechanism 6 is used to reasonably allocate the space inside the inner frame 3 to facilitate the placement of documents.

[0044] As Figure 3 and Figure 4 shown in the figure, the disassembly and assembly mechanism 5 includes a first fixing plate 51, a second fixing plate 52, a first sliding plate 53, and a first spring 54. The first fixing plates 51 are fixedly provided symmetrically on the left and right sides of the upper rear part of the outer frame 1 and the upper front part of the inner frame 3. Rectangular grooves are opened at the tops of the first fixing plates 51. The second fixing plates 52 are fixedly provided symmetrically on the left and right sides of the lower rear part of the outer frame 1 and the lower front part of the inner frame 3. The first sliding plates 53 are slidably provided inside the second fixing plates 52. The first springs 54 are wound around the upper parts of the first sliding plates 53, and the two ends of the first springs 54 are respectively connected to the second fixing plates 52 and the first sliding plates 53.

[0045] As Figure 5 , Figure 6 and Figure 7 shown in the figure, the lifting mechanism 6 includes a first rotating plate 61, a second sliding plate 62, a third sliding plate 63, a first fixing rod 64, a supporting plate 65, and a second spring 66. Two second sliding plates 62 are slidably provided on the right side inside the inner frame 3. Two third sliding plates 63 are slidably provided on the left side inside the inner frame 3. The first rotating plates 61 are rotatably connected between the second sliding plates 62 and the third sliding plates 63 on the same horizontal side. Two first fixing rods 64 are slidably provided on the left side of the inner frame 3. A supporting plate 65 is connected between the two first fixing rods 64. The supporting plate 65 is in contact with the inner frame 3. The third sliding plates 63 are engaged with the supporting plate 65. The second springs 66 are wound around the first fixing rods 64, and the two ends of the second springs 66 are respectively connected to the first fixing rods 64 and the supporting plate 65.

[0046] The freely modifiable disassemblable filing cabinet can be used to store documents such as archives. People can stack two freely modifiable disassemblable filing cabinets from top to bottom. When the upper first sliding plate 53 contacts the lower first fixed plate 51, the first spring 54 is compressed until the upper first sliding plate 53 corresponds to the rectangular groove on the lower first fixed plate 51. The reset of the first spring 54 drives the first sliding plate 53 to slide downward. Subsequently, the upper first sliding plate 53 will engage with the rectangular groove, and the two freely modifiable disassemblable filing cabinets are fixedly stacked together. When people need to store documents in the freely modifiable disassemblable filing cabinet, they need to rotate the first baffle 2 outward, and the outer frame 1 is opened. Pull the tray 65 forward, and the tray 65 slides forward along the first fixed rod 64, and the second spring 66 is compressed. At this time, the third sliding plate 63 no longer engages with the tray 65. People can push the first rotating plate 61 up and down according to the height of the documents, so that the first rotating plate 61, the second sliding plate 62, and the third sliding plate 63 slide up and down along the inner frame 3 as a whole, achieving the effect of adjusting the height of each layer in the inner frame 3 and improving the space utilization rate in the inner frame 3. Then release the tray 65, and the reset of the second spring 66 drives the tray 65 to slide backward, and the tray 65 will re-engage the third sliding plate 63, and the first rotating plate 61 is limited and no longer slides up and down. Then rotate the first baffle 2 backward, and the outer frame 1 is closed. People can also pull the drawer 4 forward, and the drawer 4 slides forward along the inner frame 3. Then place documents in the drawer 4, and then push the drawer 4 backward, and the drawer 4 slides backward and resets.

[0047] Embodiment 2

[0048] On the basis of Embodiment 1, as Figure 2 , Figure 8 , Figure 9 and Figure 10 shown, it further includes an inclination mechanism 7. The inclination mechanism 7 is used to incline the first rotating plate 61 to facilitate people to pick up and place documents. The inclination mechanism 7 includes a sliding rod 71, a third spring 72, and a second rotating plate 73. Second rotating plates 73 are fixedly arranged on the right sides of the third sliding plates 63. Sliding rods 71 are slidably arranged on the left parts of the front sides of the first rotating plates 61. The sliding rods 71 are engaged with the adjacent second rotating plates 73. Third springs 72 are wound around the middle parts of the sliding rods 71. The two ends of the third spring 72 are respectively connected to the sliding rod 71 and the first rotating plate 61.

[0049] People pull the sliding rod 71 forward. The sliding rod 71 is no longer engaged with the second rotating plate 73, and the third spring 72 is compressed. Then, they pull the first rotating plate 61 upward. The front part of the first rotating plate 61 rotates upward around the third sliding plate 63. The document placed on the first rotating plate 61 will rotate and tilt slightly upward, making it convenient for people to clearly see the label categories on the document and take out the urgently needed document. Then, they rotate the first rotating plate 61 downward to reset it to the horizontal state, release the sliding rod 71, and the third spring 72 resets to drive the sliding rod 71 to slide backward. Subsequently, the sliding rod 71 will engage with the second rotating plate 73, and the first rotating plate 61 is fixed and limited.

[0050] As Figure 2 , Figure 11 , Figure 12 , Figure 13 and Figure 14 shown, it further includes a blocking mechanism 8. The blocking mechanism 8 is used to block and limit the lower part of the document to prevent the document from falling. The blocking mechanism 8 includes a second baffle 81, a second fixing rod 82, a first torsion spring 83, a third fixing plate 84, a fourth sliding plate 85, and a fourth spring 86. Second fixing rods 82 are fixedly provided on the front sides of the first rotating plate 61. A second baffle 81 is rotatably connected to the second fixing rods 82. First torsion springs 83 are wound around the left sides of the second fixing rods 82. The two ends of the first torsion spring 83 are respectively connected to the second baffle 81 and the second fixing rod 82. Third fixing plates 84 are fixedly provided on the bottom left front sides of the first rotating plate 61. Fourth sliding plates 85 are slidably provided on the left sides of the third fixing plates 84. The fourth sliding plates 85 are in contact with the second baffle 81. Fourth springs 86 are wound around the right sides of the fourth sliding plates 85. The two ends of the fourth spring 86 are respectively connected to the fourth sliding plate 85 and the third fixing plate 84.

[0051] People pull the fourth sliding plate 85 to the right. The fourth sliding plate 85 slides to the right along the third fixing plate 84 and no longer blocks the second baffle 81. The fourth spring 86 is compressed. The first torsion spring 83 in the state of torsional deformation resets to drive the second baffle 81 to rotate upward. The second baffle 81 will block the document placed on the first rotating plate 61 to prevent the document from falling. Release the fourth sliding plate 85, and the fourth spring 86 resets to drive the fourth sliding plate 85 to slide to the left. When the document does not need to be blocked, people only need to rotate the second baffle 81 downward. The second baffle 81 will squeeze the fourth sliding plate 85 to make it slide to the right. The fourth spring 86 is compressed until the second baffle 81 rotates downward to reset. The fourth spring 86 resets to drive the fourth sliding plate 85 to slide to the left and engage with the second baffle 81. The second baffle 81 is fixed and limited, and the first torsion spring 83 is torsionally deformed.

[0052] As Figure 2 , Figure 15 , Figure 16 and Figure 17As shown in the figure, it further includes a fixing mechanism 9. The fixing mechanism 9 is used to clamp and limit the document to prevent the document from being distorted due to long-term inclination. The fixing mechanism 9 includes a third baffle 91, a third fixing rod 92, a fourth fixing rod 93, a fifth sliding plate 94, a fifth spring 95 and a fifth fixing rod 96. The third fixing rods 92 are fixedly arranged on the front sides of the first rotating plates 61. The third baffles 91 are slidably arranged on the left sides of the third fixing rods 92. The fourth fixing rods 93 are symmetrically and fixedly arranged inside the front sides of the first rotating plates 61 in the left-right direction. A fifth sliding plate 94 is slidably connected between the two fourth fixing rods 93. The fifth sliding plates 94 are engaged with the adjacent third baffles 91. The fifth fixing rods 96 are fixedly arranged on the right-rear sides of the second baffles 81. The fifth fixing rods 96 are slidably connected with the fifth sliding plates 94. The fifth springs 95 are wound around the fourth fixing rods 93. The two ends of the fifth springs 95 are respectively connected with the fourth fixing rods 93 and the fifth sliding plates 94.

[0053] When the second baffle 81 is in a horizontal state, the third baffle 91 is not in contact with the fifth sliding plate 94, and the fifth spring 95 is compressed. People can push the third baffle 91 left and right. The third baffle 91 will slide left and right along the third fixing rod 92. Then the third baffle 91 will clamp and limit the document to prevent the document from being bent due to long-term inclination. When the second baffle 81 rotates upward, the fifth spring 95 resets, so that the second baffle 81 will drive the fifth sliding plate 94 to slide backward through the fifth fixing rod 96. Then the fifth sliding plate 94 will engage and limit the third baffle 91. If the position of the third baffle 91 needs to be adjusted again, the second baffle 81 needs to be rotated downward. The second baffle 81 will drive the fifth sliding plate 94 to slide forward through the fifth fixing rod 96. The fifth spring 95 is compressed, and the fifth sliding plate 94 is no longer engaged with the third baffle 91. At this time, the third baffle 91 can be slid left and right to adjust the position.

[0054] As Figure 2 , Figure 18 , Figure 19 and Figure 20 As shown in the figure, it further includes a classification mechanism 10. The classification mechanism 10 is used to classify and separate documents. The classification mechanism 10 includes a threaded rod 101, a sixth fixing rod 102, a fourth baffle 103 and a second torsion spring 104. Three threaded rods 101 are evenly arranged in a threaded manner on the lower part of the front side of the inner frame 3. Three sixth fixing rods 102 are evenly rotatably arranged on the lower side inside the inner frame 3. The fourth baffles 103 are fixedly arranged on the front and rear sides of the sixth fixing rods 102. The second torsion springs 104 are wound around the front and rear sides of the sixth fixing rods 102. The two ends of the second torsion springs 104 are respectively connected with the inner frame 3 and the fourth baffles 103. The threaded rods 101 are engaged with the adjacent fourth baffles 103.

[0055] When people need to classify and organize documents for placement, they can rotate the threaded rod 101 clockwise. Subsequently, the threaded rod 101 no longer engages with the fourth baffle 103, and the second torsion spring 104 in a torsional deformation state resets and drives the sixth fixed rod 102 and the fourth baffle 103 to rotate upward as a whole. The lower space of the inner frame 3 is evenly divided, and people can then place the classified and organized documents in sequence. When the documents do not need to be classified and stored, people can push the fourth baffle 103 downward. The fourth baffle 103 and the sixth fixed rod 102 as a whole will rotate downward around the inner frame 3 to reset, and the second torsion spring 104 undergoes torsional deformation. Then, rotate the threaded rod 101 counterclockwise, and the threaded rod 101 will engage with the fourth baffle 103, facilitating people to stack the documents horizontally in the lower layer of the inner frame 3.

[0056] Although the present invention has been described with reference to exemplary embodiments, it should be understood that the present invention is not limited to the disclosed exemplary embodiments. The scope of the following claims should be given the broadest interpretation so as to cover all variations and equivalent structures and functions.

Claims

1. A freely modifiable disassembled and assembled filing cabinet, comprising an outer frame (1) and an inner frame (3), with the inner frame (3) arranged inside the outer frame (1), characterized in that, It further includes a first baffle (2) and a drawer (4). The first baffle (2) is rotatably arranged on the left and right sides of the front part of the outer frame (1), and the drawer (4) is slidably arranged on the upper part of the inner frame (3); The first fixing plate (51), the second fixing plate (52), the first sliding plate (53) and the first spring (54) constitute a disassembly and assembly mechanism (5). The first fixing plates (51) are symmetrically arranged on the left and right sides of the upper rear part of the outer frame (1) and the upper front part of the inner frame (3). The second fixing plates (52) are symmetrically arranged on the left and right sides of the lower rear part of the outer frame (1) and the lower front part of the inner frame (3). The first sliding plates (53) are slidably arranged inside the second fixing plates (52). The first springs (54) are wound around the upper parts of the first sliding plates (53), and the two ends of the first springs (54) are respectively connected to the second fixing plates (52) and the first sliding plates (53); The first rotating plate (61), the second sliding plate (62), the third sliding plate (63), the first fixing rod (64), the supporting plate (65) and the second spring (66) constitute a lifting mechanism (6). Two second sliding plates (62) are slidably arranged on the right side inside the inner frame (3), and two third sliding plates (63) are slidably arranged on the left side inside the inner frame (3). The first rotating plates (61) for placing documents are rotatably connected between the second sliding plates (62) and the third sliding plates (63) on the same side horizontally. Two first fixing rods (64) are slidably arranged on the left side of the inner frame (3). A supporting plate (65) is connected between the two first fixing rods (64). The supporting plate (65) engages and limits the third sliding plates (63). The second springs (66) are wound around the first fixing rods (64), and the two ends of the second springs (66) are respectively connected to the first fixing rods (64) and the supporting plates (65); The second baffle (81), the second fixing rod (82), the first torsion spring (83), the third fixing plate (84), the fourth sliding plate (85) and the fourth spring (86) constitute a blocking mechanism (8). The second fixing rods (82) are arranged on the front sides of the first rotating plates (61). The second baffles (81) are rotatably arranged on the second fixing rods (82). The first torsion springs (83) are wound around the left sides of the second fixing rods (82), and the two ends of the first torsion springs (83) are respectively connected to the second baffles (81) and the second fixing rods (82). The third fixing plates (84) are arranged on the lower left front sides of the bottoms of the first rotating plates (61). The fourth sliding plates (85) are slidably arranged on the left sides of the third fixing plates (84). The fourth springs (86) are wound around the right sides of the fourth sliding plates (85), and the two ends of the fourth springs (86) are respectively connected to the fourth sliding plates (85) and the third fixing plates (84); The third baffle (91), the third fixing rod (92), the fourth fixing rod (93), the fifth sliding plate (94), the fifth spring (95) and the fifth fixing rod (96) form a fixing mechanism (9). The third fixing rods (92) are provided on the front sides of the first rotating plates (61). The third baffles (91) for clamping documents are slidably provided on the left sides of the third fixing rods (92). The fourth fixing rods (93) are symmetrically provided inside the front sides of the first rotating plates (61) in the left-right direction. A fifth sliding plate (94) is slidably connected between the two fourth fixing rods (93). The fifth sliding plate (94) engages and limits the third baffle (91). The fifth fixing rods (96) slidably connected to the fifth sliding plate (94) are provided on the right rear sides of the second baffles (81). The fifth springs (95) are wound around the fourth fixing rods (93). The two ends of the fifth spring (95) are respectively connected to the fourth fixing rod (93) and the fifth sliding plate (94).

2. The disassembled and assembled filing cabinet that can be freely modified according to claim 1 is characterized in that, The sliding rod (71), the third spring (72) and the second rotating plate (73) form an inclination mechanism (7). The second rotating plates (73) are provided on the right sides of the third sliding plates (63). The sliding rods (71) are slidably provided on the left part of the front side of the first rotating plate (61). The sliding rods (71) are engaged with the adjacent second rotating plates (73). The third springs (72) are wound around the middle parts of the sliding rods (71). The two ends of the third spring (72) are respectively connected to the sliding rod (71) and the first rotating plate (61).

3. The disassembled and assembled filing cabinet capable of being freely changed according to claim 2, wherein The threaded rod (101), the sixth fixing rod (102), the fourth baffle (103) and the second torsion spring (104) form a classification mechanism (10). The threaded rods (101) are evenly provided on the lower part of the front side of the inner frame (3) in a threaded manner. Three sixth fixing rods (102) are evenly rotatably provided on the lower side inside the inner frame (3). The fourth baffles (103) are provided on the front and rear sides of the sixth fixing rods (102). The second torsion springs (104) are wound around the front and rear sides of the sixth fixing rods (102). The two ends of the second torsion spring (104) are respectively connected to the inner frame (3) and the fourth baffle (103). The threaded rods (101) are engaged with the adjacent fourth baffles (103).

4. A disassemblable filing cabinet that can be freely modified according to claim 3, characterized in that, A handle is provided at the front part of the drawer (4).

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