CN115462624B - a filing cabinet - Google Patents

Abstract

The invention relates to the technical field of file cabinets, and in particular to a file cabinet; it includes a cabinet body; the cabinet body is a rectangular structure with a front side opening, a support mechanism for movement is provided inside the cabinet body, and a separation mechanism is provided on the support mechanism , a cabinet door is installed on the front end of the cabinet; the partition mechanism provided by the present invention realizes the retracting and unfolding of the stopper by pressing the driving plate, and the fixed block is fixed by the extrusion of the stopper against the support plate, thereby realizing the storage of a small number of archive bags. After placement, the partitions are fixed, and the archive bags are placed in the same row and in different zones; the support mechanism provided by the invention realizes the up and down movement of the high-rise support plate, thereby facilitating the pick-up and placement of the high-rise support plate archive bags, and the support is provided through the support member. During the movement of the board, the support board is always kept horizontal to prevent the support board from flipping and causing the file bag to fall.

Description

a filing cabinet

Technical field

The invention relates to the technical field of filing cabinets, and in particular to a filing cabinet.

Background technique

Filing cabinets are office furniture used to store archival materials. They usually refer to boxes with lids and cabinets with doors. They have the advantages of preventing dust and contamination from other harmful substances.

However, the current file cabinets mainly have the following problems during use: 1. Commonly used file cabinets manually place file bags on the support board of the file cabinet in sequence. However, when the file bags on the support board are not full, Portfolios have no support and are easy to topple over, and it is inconvenient to place portfolios in the same row and in separate zones.

2. The existing filing cabinets are relatively high, and it is inconvenient for operators to place the upper file bags. Sometimes they need to borrow stools to pick and place them. However, using benches will limit the range of activities of the operators, affect the operation, and easily cause the operators to fall. Injury or damage caused by falling of the archive bag further affects the efficiency of picking up and placing the archive bag.

Therefore, in order to ensure the stability of the archive bag after being placed and facilitate the taking and placing of the archive bag, the present invention provides a filing cabinet.

Contents of the invention

In order to achieve the above object, the present invention adopts the following technical solution: a filing cabinet, including a cabinet body; the cabinet body is a rectangular structure with a front side opening, a support mechanism for movement is provided inside the cabinet body, and a support mechanism is provided on the support mechanism Separating mechanism, a cabinet door is installed on the front end of the cabinet.

The support mechanism includes a support plate. Three sets of load-bearing parts are evenly arranged inside the cabinet from bottom to top. Each set of load-bearing parts is provided with two support plates arranged symmetrically up and down. The load-bearing parts at the lower part are fixedly installed on the On the cabinet body, the remaining two sets of load-bearing parts are slidingly matched with the cabinet body, and the load-bearing parts located in the middle and upper parts are moved by the same drive unit. Limiting parts are provided between the two support plates in the middle and the cabinet body. , the two support plates located in the middle are provided with support parts on both sides, and the support parts cooperate with the limit parts. The two support plates in the load-bearing part located in the middle are connected by columns, and the support plates are symmetrical and even front to back. Two rows of limit holes are provided.

Preferably, the drive unit includes a casing, and the casing is installed on the upper end surface of the cabinet. Inside the casing, there is a shaft symmetrically connected to each other for rotation, and the circumferential outer wall of the shaft is evenly installed along its axial direction. There are three retractable wheels. The two upper support plates are connected by support rods. Ropes are wrapped around the retractable wheels. The ropes connected to the first and second retractable wheels are arranged in sequence from back to front. The lower ends of the ropes are connected to the right-angle end of the support plate at the upper end of the support rod, and the lower ends of the ropes connected to the remaining retraction wheels are connected to the limit blocks, and the limit blocks are slidingly connected to the cabinet through the slide rails.

Preferably, the support member includes a connecting rod, and connecting rods are installed on the left and right end surfaces of the support plate located in the middle. The rear end of the connecting rod is inclined upward and is connected with a fixed rod between the supporting plate.

Preferably, the separation mechanism includes a fixed block, the upper end surface of the support plate is evenly provided with fixed blocks from left to right, a notch is provided inside the fixed block, and two drive plates are slidingly connected to the front and rear sides of the fixed block. And one end of the drive plate extends to the outside of the fixed block, and the other end of the drive plate extends into the slot. A return spring is installed between the opposite surfaces of the two drive plates and the inner wall of the slot, and the opposite surfaces of the two drive plates are hinged. There is a connecting rod. One end of the two connecting rods away from the drive plate is hinged with a push rod. The push rod is slidingly connected to the fixed block. Hole-fitting snap connectors.

Preferably, the limiter includes a No. 1 slider, a No. 1 slider is installed symmetrically up and down on the end surface of the fixed rod facing away from the support plate, and a No. 2 slider is installed at one end of the connecting rod away from the fixed rod and facing away from the support plate. block, the rear end of the limit block is equipped with a U-shaped limit plate symmetrically up and down, and the horizontal section of the limit plate faces the side of the support plate with holes for the sliding of the No. 1 slider and the No. 2 slider. The slide chute, and the front end of the chute passes through the limit block. The sliding distance of the No. 2 slide block along the chute is greater than the sliding distance of the No. 1 slide block along the chute. The limit block is perpendicular to and connected with the chute. Limit slot.

Preferably, the clamping member includes a driving rod. The lower end of the pressure plate is equipped with a driving rod symmetrically in front and back. The lower end of the driving rod slides through the fixed block. The lower end of the driving rod is provided with a square opening. Each pass pin and torsion spring are symmetrically equipped with a block, and the block has a right-angled trapezoidal structure. A limit rope is set between two adjacent blocks. The lower end of the driving rod is covered with a cylinder that is engaged with the limit hole. The cylinder column is installed on the fixed block, and the cylinder column is provided with a square groove for the sliding block.

Preferably, the left and right sides of the cabinet are equipped with exhaust fans and louver air outlets. The air outlet position of the exhaust fan is provided with a one-way valve, and the one-way valve is installed on the cabinet body. The inner wall of the cabinet body corresponds to the louver air outlets. position, the frame has a U-shaped structure and the opening faces the inside of the cabinet. The horizontal section of the frame has an L-shaped structure in longitudinal section. There is a fixed plate clamped in the frame. The fixed plate has a U-shaped structure and the opening faces upward. The two vertical sections of the fixed plate A filter is installed symmetrically on the opposite sides of the section, and a desiccant is placed between the two filters.

Preferably, the exhaust fan is installed at the lower part of the cabinet, and the louver air outlet is provided at the upper part of the cabinet.

The beneficial effects of the present invention are:

1. The support mechanism provided by the present invention realizes the up and down movement of the high-rise support plate, thereby facilitating the pick-up and placement of the high-rise support plate archive bag, and the support member allows the support plate to always remain horizontal during the movement of the support plate to avoid the support plate from being moved. Turning over makes the file bag fall down, thereby improving the efficiency of stable picking and placing of the file bag.

2. The separation mechanism provided by the present invention realizes the retracting and unfolding of the stopper by pressing the driving plate, and fixes the fixed block by pressing the support plate with the stopper, thereby achieving the separation and fixation of a small number of archive bags after they are placed, and performing Place portfolios in the same row and partition.

3. The exhaust fan and the louver air outlet provided by the present invention realize the exchange of air flow inside and outside the cabinet, thereby extracting the internal humidified air, and the external air is dusted and dehumidified before entering the cabinet, thereby preventing dust and moisture from entering the cabinet and contaminating the interior. Damage files and affect the storage life of files.

Description of the drawings

The present invention will be further described below in conjunction with the accompanying drawings and examples.

Figure 1 is a schematic structural diagram of the present invention from a first perspective.

Figure 2 is a schematic structural diagram of the present invention from a second perspective (excluding the cabinet door).

Figure 3 is a cross-sectional view of the partition mechanism of the present invention.

Figure 4 is a partial enlarged view of position A in Figure 3 of the present invention.

Figure 5 is a working state diagram of the present invention (excluding the cabinet door and part of the casing).

Figure 6 is a schematic structural diagram between the exhaust fan, the louver air outlet and the cabinet body of the present invention.

In the picture: 10. Cabinet body; 11. Cabinet door; 2. Support mechanism; 3. Separation mechanism; 20. Support plate; 21. Column; 22. Limit hole; 4. Drive unit; 5. Limit piece; 6 , support; 40, shell; 41, shaft; 42, retractable wheel; 43, rope; 44, limit block; 60, connecting rod; 61, fixed rod; 30, fixed block; 31, notch; 32. Drive plate; 33. Return spring; 34. Connecting rod; 35. Push rod; 36. Pressure plate; 7. Clamp; 50. No. 1 slider; 51. No. 2 slider; 52. Limit plate; 53. Chute; 54. Limiting slot; 70. Driving rod; 71. Stopper; 72. Limiting rope; 73. Cylinder column; 74. Square slot; 12. Exhaust fan; 13. Louver air outlet; 14. Frame ; 15. Fixed plate; 16. Filter.

Detailed ways

The embodiments of the present invention will be described below with reference to the accompanying drawings. In this process, we may exaggerate the width of lines or the size of components in the illustrations to ensure clarity and convenience of explanation.

In addition, the following terms are defined based on the functions in the present invention, and may differ according to the user, operator's intention or practice. Therefore, these terms are defined based on the entire contents of this specification.

Referring to Figures 1 and 2, a filing cabinet includes a cabinet 10; the cabinet 10 is a rectangular structure with a front opening, a support mechanism 2 for movement is provided inside the cabinet 10, and the support mechanism 2 is provided with a The partition mechanism 3 and the cabinet door 11 are installed on the front end surface of the cabinet 10.

Referring to Figures 2 and 5, the support mechanism 2 includes a support plate 20. Three sets of load-bearing parts are evenly arranged inside the cabinet 10 from bottom to top. Each set of load-bearing parts is provided with two supports arranged symmetrically up and down. Board 20, the load-bearing parts located at the lower part are fixedly installed on the cabinet 10, the remaining two sets of load-bearing parts are slidingly matched with the cabinet 10, and the load-bearing parts located in the middle and upper parts are moved by the same drive unit 4, and the load-bearing parts located in the middle part are moved by the same drive unit 4. Limiting parts 5 are provided between the two supporting plates 20 and the cabinet 10. Supporting parts 6 are provided on the left and right sides of the two supporting plates 20 located in the middle. The supporting parts 6 cooperate with the limiting parts 5 and are located in the middle. The two support plates 20 in the load-bearing part are connected through upright columns 21, and two rows of limit holes 22 are evenly and symmetrically provided on the support plates 20.

During specific work, after the lower file bags are placed, first pull out the two middle support plates 20 connected by the uprights 21 to match the drive unit 4, and then drive the middle support plate 20 downward through the drive unit 4. At the same time, the driving unit 4 drives the upper support plate 20 to move downward to the position vacated by the middle support plate 20, thereby making it easier to access the file bag on the upper support plate 20.

Referring to Figures 2 and 3, the separation mechanism 3 includes a fixed block 30. The upper end surface of the support plate 20 is evenly provided with fixed blocks 30 from left to right. A notch 31 is provided inside the fixed block 30. The fixed block 30 There are two driving plates 32 slidingly connected on the front and rear sides. One end of the driving plate 32 extends to the outside of the fixed block 30 , and the other end of the driving plate 32 extends into the notch 31 . The opposite surfaces of the two driving plates 32 are in contact with the notch 31 Return springs 33 are installed between the inner side walls. A connecting rod 34 is hinged on the opposite surfaces of the two driving plates 32. A push rod 35 is jointly hinged on the end of the two connecting rods 34 away from the driving plate 32. The push rod 35 is connected to the fixed The blocks 30 are slidingly connected, and a pressure plate 36 is installed at the other end of the push rod 35. The lower end of the pressure plate 36 is symmetrically provided with a snap-in piece 7 that matches the limiting hole 22.

Referring to Figures 3 and 4, the clamping member 7 includes a driving rod 70. A driving rod 70 is installed symmetrically on the lower end of the pressure plate 36, and the lower end of the driving rod 70 slides through the fixed block 30. The driving rod 70 A square opening is provided on the lower end surface of the square opening. A stopper 71 is installed symmetrically in the front and rear through a pin and a torsion spring. The stopper 71 has a right-angled trapezoidal structure. A limit rope 72 is provided between two adjacent stoppers 71. , the lower end of the driving rod 70 is sleeved with a cylindrical column 73 that is engaged with the limiting hole 22, and the cylindrical column 73 is installed on the fixed block 30, and the cylindrical column 73 is provided with a square groove 74 for the stopper 71 to slide.

During specific operation, the two driving plates 32 are manually pressed to bring them close to each other and at the same time the return spring 33 is compressed, so that the connecting rod 34 is pressed downward to push the push rod 35, the push rod 35 pushes the pressure plate 36, and the pressure plate 36 squeezes the driving rod 70. , the driving rod 70 moves downward, the driving rod 70 contacts the stopper 71 and then presses the stopper 71 downward, so that the stopper 71 rotates toward the inside of the square groove 74, and keeps pressing the drive plate 32 to insert the cylinder 73 into the corresponding In the limit hole 22, the driving plate 32 is then released, and the driving plates 32 are reset away from each other under the action of the return spring 33, so that the pressure plate 36 moves upward and drives the driving rod 70 to move upward, and the driving rod 70 no longer presses the stopper 71. The stopper 71 rotates and extends from the square groove 74 under the action of the torsion spring. Finally, the stopper 71 is tightly attached to the lower end surface of the support plate 20. At this time, the connection and fixation between the fixed block 30 and the support plate 20 is completed; the limiter The rope 72 is used to pull the two stoppers 71 so that the stoppers 71 will not rotate out of force when they are squeezed, thereby ensuring that the stoppers 71 are tightly attached to the support plate 20 .

Referring to Figures 5 and 6, the support member 6 includes a connecting rod 60. The connecting rod 60 is installed on the left and right end surfaces of the support plate 20 in the middle. The rear end of the connecting rod 60 is inclined upward and between the supporting plate 20 and the connecting rod 60. A fixed rod 61 is connected.

Referring to Figure 2, Figure 5 and Figure 6, the driving unit 4 includes a housing 40. The housing 40 is installed on the upper end surface of the cabinet 10. Inside the housing 40, a shaft 41 is symmetrically connected to each other for rotation. , three retraction wheels 42 are evenly installed on the circumferential outer wall of the shaft rod 41 along its axial direction. The two upper support plates 20 are connected by support rods. A rope 43 is wound around the retraction wheels 42 from back to front. The lower ends of the ropes 43 connected to the first and second retractable wheels 42 arranged in sequence are connected to the right-angled ends of the support plates 20 at the upper ends of the support rods, and the lower ends of the ropes 43 connected to the remaining retractable wheels 42 are connected. The limiting block 44 is slidably connected to the cabinet 10 through the slide rail.

Referring to Figures 5 and 6, the limiter 5 includes a No. 1 slider 50. The No. 1 slider 50 is symmetrically installed on the end surface of the fixed rod 61 facing away from the support plate 20. The connecting rod 60 is away from one end of the fixed rod 61 and The No. 2 slider 51 is installed on the end face facing away from the support plate 20. A U-shaped limit plate 52 is installed symmetrically on the rear end of the limit block 44. The horizontal section of the limit plate 52 faces the end of the support plate 20. A chute 53 for sliding the No. 1 slider 50 and the No. 2 slider 51 is provided on both sides, and the front end of the chute 53 penetrates the limit block 44. The sliding distance of the No. 2 slider 51 along the chute 53 is greater than that of the No. 1 slider. The sliding block 50 slides along the sliding groove 53 , and the limiting block 44 is provided with a limiting groove 54 that is perpendicular to and connected with the sliding groove 53 .

During specific work, during the process of manually pulling the middle support plate 20 outward, the No. 2 slider 51 and the No. 1 slider 50 slide forward along the chute 53. Finally, the No. 2 slider 51 slides from the front end of the chute 53. Slide out, and the No. 2 slide block 51 will no longer slide after it slides to the connection between the chute 53 and the limiting groove 54. Then, the existing motor drives the shaft 41 to rotate, causing the retractable wheel 42 to rotate. The upper support plate 20 and the limit block 44 are slowly lowered through the rope 43. The limit block 44 can only move downward along the slide rail. The limit block 44 synchronously drives the limit plate 52, the connecting rod 60 and the middle support plate. 20 moves downward until the middle and upper support plates 20 move to a position suitable for the staff to take the file bag, so as to realize quick and convenient picking and placing of the file bag at different positions. The connecting rod 60, the fixed rod 61 and the support A stable triangular structure is formed between the plates 20 to prevent the support plate 20 from tilting after the second slider 51 slides out of the chute 53, thereby ensuring the stability of the support plate 20.

Referring to Figure 5 and Figure 6, the left and right sides of the cabinet 10 are provided with an exhaust fan 12 and a louver air outlet 13. The exhaust fan 12 is provided with a one-way valve at the air outlet position, and the one-way valve is installed on the cabinet 10. , the inner wall of the cabinet 10 is provided with a frame 14 at a position corresponding to the louver air outlet 13. The frame 14 has a U-shaped structure and the opening faces the inside of the cabinet 10. A fixing plate 15 is clamped in the frame 14. The fixing plate 15 has a U-shaped structure and an opening. Upward, a filter 16 is installed symmetrically on the opposite surfaces of the two vertical sections of the fixed plate 15, and a desiccant is placed between the two filters 16.

During specific operation, the exhaust fan 12 works to extract the moisture inside the cabinet 10 and suck in external air through the louver air outlet 13. When the external air enters the interior of the cabinet 10 from the louver air outlet 13, it will first pass through the filter 16 for dust removal. Dehumidification is carried out by desiccant to ensure that the air entering the interior of the cabinet 10 is dry and clean; in addition, the fixing plate 15 and the frame 14 are connected in a snap-on manner to facilitate cleaning and replacement of the filter.

Referring to 2, the exhaust fan 12 is installed at the lower part of the cabinet 10 , and the louver air outlet 13 is provided at the upper part of the cabinet 10 .

During specific work, since the heavier moist air will be deposited below the cabinet 10, the exhaust fan 12 installed at the lower part can efficiently extract the moisture from the inside of the cabinet 10, and the louver air outlet 13 above can keep the outside cleaner. air is drawn into the interior of the enclosure.

When using the present invention specifically, open the cabinet door 11, first place the file bags from the lower layer, finish placing the file bags on the support plates 20 of the middle and lower layers, and fix them by partitioning mechanism 3, and then place the middle support plate. 20 is pulled out, and then the existing motor drives the shaft 41 to rotate. The shaft 41 drives the retractable wheel 42 to rotate. The retractable wheel 42 slowly lowers the middle and upper support plates 20 through the rope 43 until the middle and upper supports are The plate 20 moves to a position suitable for the staff to take the file bag. After the file bag is taken and placed, the drive unit 4 operates to reset the support plate 20, and then the cabinet door 11 is closed. When the moisture inside the cabinet 10 is heavy, the cabinet 10 can be opened through The exhaust fan 12 and the louver air outlet 13 extract and replace the gas inside the cabinet 10, and use the filter 16 and desiccant to remove dust and dehumidify the incoming gas, thereby preventing moisture from entering the cabinet 10 and damaging the files and shortening the storage life.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims (3)

1. A file cabinet, comprising a cabinet body (10); the method is characterized in that: the cabinet body (10) is of a rectangular structure with an opening at the front side, a supporting mechanism (2) for moving is arranged in the cabinet body (10), a separation mechanism (3) is arranged on the supporting mechanism (2), and a cabinet door (11) is arranged on the front end face of the cabinet body (10); wherein:

the supporting mechanism (2) comprises a supporting plate (20), three groups of bearing pieces are uniformly arranged in the cabinet body (10) from bottom to top, two supporting plates (20) which are vertically and symmetrically arranged are arranged in each group of bearing pieces, the bearing pieces positioned at the lower part are fixedly arranged on the cabinet body (10), the other two groups of bearing pieces are in sliding fit with the cabinet body (10), the bearing pieces positioned at the middle part and the upper part are moved through the same driving unit (4), limiting pieces (5) are arranged between the two supporting plates (20) positioned at the middle part and the cabinet body (10), supporting pieces (6) are arranged on the left side and the right side of the two supporting plates (20) positioned at the middle part, the supporting pieces (6) are matched with the limiting pieces (5), the two supporting plates (20) positioned in the middle part are connected through stand columns (21), and two rows of limiting holes (22) are uniformly formed in the supporting plates (20) in a front-back symmetry mode;

the driving unit (4) comprises a shell (40), the upper end face of the cabinet body (10) is provided with the shell (40), a shaft lever (41) is rotationally connected to the inside of the shell (40) in a bilateral symmetry mode, three winding and unwinding wheels (42) are uniformly arranged on the circumferential outer wall of the shaft lever (41) along the axial direction of the shaft lever, two support plates (20) positioned at the upper portion are connected through support rods, ropes (43) are wound on the winding and unwinding wheels (42), the lower ends of the ropes (43) connected with the first winding and unwinding wheels and the second winding and unwinding wheels (42) are connected with right-angle ends of support plates (20) at the upper end of the support rods in a sequential mode, limiting blocks (44) are connected with the cabinet body (10) in a sliding mode through sliding rails;

the support piece (6) comprises a connecting rod (60), the connecting rod (60) is arranged on the end faces of the left side and the right side of the support plate (20) positioned in the middle, the rear end of the connecting rod (60) is inclined upwards, and a fixing rod (61) is connected between the rear end of the connecting rod and the support plate (20);

the limiting piece (5) comprises a first sliding block (50), the end face of a fixing rod (61) opposite to the supporting plate (20) is provided with the first sliding block (50) in an up-down symmetrical mode, the connecting rod (60) is far away from one end of the fixing rod (61) and is provided with a second sliding block (51) opposite to the end face of the supporting plate (20), the rear end of the limiting block (44) is provided with a U-shaped limiting plate (52) in an up-down symmetrical mode, one side, facing the supporting plate (20), of the horizontal section of the limiting plate (52) is provided with sliding grooves (53) for the first sliding block (50) and the second sliding block (51), the front end of the sliding groove (53) penetrates through the limiting block (44), the sliding distance of the second sliding block (51) along the sliding groove (53) is larger than that of the first sliding block (50) along the sliding groove (53), and a limiting groove (54) which is perpendicular to and communicated with the sliding groove (53) is formed in the limiting block (44).

The separation mechanism (3) comprises a fixed block (30), the upper end face of the supporting plate (20) is uniformly provided with the fixed block (30) from left to right, a notch (31) is formed in the fixed block (30), two driving plates (32) are slidably connected to the front side and the rear side of the fixed block (30), one end of each driving plate (32) extends to the outer side of the fixed block (30), the other end of each driving plate (32) extends into the notch (31), a reset spring (33) is arranged between the inner side walls of the notches (31) of the opposite faces of the two driving plates (32), one connecting rod (34) is hinged to the opposite faces of the two driving plates (32), one ends of the two connecting rods (34) away from the driving plates (32) are hinged with push rods (35) together, the push rods (35) are slidably connected with the fixed block (30), pressing plates (36) are arranged at the other ends of the push rods (35), and clamping pieces (7) matched with limiting holes (22) are symmetrically arranged in front and rear of the lower ends of the pressing plates (36);

the clamping piece (7) comprises a driving rod (70), wherein the front and rear sides of the lower end face of the pressing plate (36) are symmetrically provided with a driving rod (70), the lower end of the driving rod (70) penetrates through the fixed block (30) in a sliding mode, the lower end face of the driving rod (70) is provided with square openings, each square opening is internally provided with a stop block (71) in a front and rear symmetrical mode through a pin shaft and a torsion spring, each stop block (71) is of a right trapezoid structure, a limiting rope (72) is arranged between every two adjacent stop blocks (71), the lower end of the driving rod (70) is sleeved with a cylinder column (73) clamped with the limiting hole (22), the cylinder column (73) is arranged on the fixed block (30), and square grooves (74) used for sliding the stop blocks (71) are formed in the cylinder column (73).

2. A filing cabinet as defined in claim 1, characterized in that: the cabinet is characterized in that exhaust fans (12) and louver air openings (13) are arranged on the left side and the right side of the cabinet body (10), one-way valves are arranged at air outlet positions of the exhaust fans (12), the one-way valves are arranged on the cabinet body (10), frames (14) are arranged at positions, corresponding to the louver air openings (13), of the inner side walls of the cabinet body (10), the frames (14) are -shaped structures and open towards the inside of the cabinet body (10), the longitudinal sections of the horizontal sections of the frames (14) are L-shaped structures, fixing plates (15) are clamped in the frames (14), the fixing plates (15) are of U-shaped structures and open upwards, one filter screen (16) is respectively arranged on opposite sides of two vertical sections of the fixing plates (15) in bilateral symmetry, and drying agents are placed between the two filter screens (16).

3. A filing cabinet as defined in claim 2, characterized in that: the air exhauster (12) is arranged at the lower part of the cabinet body (10), and the louver air opening (13) is arranged at the upper part of the cabinet body (10).