CN115462624B

CN115462624B - File cabinet

Info

Publication number: CN115462624B
Application number: CN202211282106.6A
Authority: CN
Inventors: 李娅
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2024-01-09
Anticipated expiration: 2042-10-19
Also published as: CN115462624A

Abstract

The invention relates to the technical field of file cabinets, in particular to a file cabinet; comprises a cabinet body; the cabinet body is of a rectangular structure with an opening at the front side, a supporting mechanism used for moving is arranged in the cabinet body, a separation mechanism is arranged on the supporting mechanism, and a cabinet door is arranged on the front end face of the cabinet body; according to the separation mechanism provided by the invention, the stop block is retracted and released by pressing the driving plate, and the fixed block is fixed by extruding the stop block on the supporting plate, so that the separation and fixation of a small number of file bags after being placed are realized, and the file bags are placed in the same row and in different regions; the supporting mechanism provided by the invention can move up and down on the high-rise supporting plate, so that the file bag on the high-rise supporting plate can be conveniently taken and placed, the supporting plate is always kept horizontal in the moving process through the supporting piece, and the file bag is prevented from falling due to the overturning of the supporting plate.

Description

File cabinet

Technical Field

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

Background

Filing cabinets, i.e. office furniture for storing archival material, are commonly referred to as covered boxes and door cabinets, which have the advantage of being dustproof and resistant to contamination by other harmful substances.

However, the current filing cabinet mainly has the following problems in the use process: 1. commonly used filing cabinets are arranged in sequence on a supporting plate of the filing cabinet through manual work, but when the filing bags in the supporting plate are not full, the filing bags are easy to fall down due to no supporting force, and the filing bags are not convenient to be arranged in the same row and in a partition mode.

2. The existing filing cabinet is higher, to the archives bag on upper strata, operating personnel are inconvenient to put, need sometimes borrow the stool to get and put, but use the stool can restrict operating personnel's range of motion and influence the operation, and cause operating personnel to fall to hinder or the archives bag to drop the damage easily, further influence the efficiency of getting of archives bag.

So in order to ensure the stability of the file bags after being placed, the file bags are convenient to take and place; the invention provides a filing cabinet.

Disclosure of Invention

In order to achieve the above purpose, the present invention adopts the following technical scheme: a file cabinet, which comprises a cabinet body; the cabinet body is front side open-ended rectangle structure, and the inside of the cabinet body is provided with the supporting mechanism who is used for removing, is provided with separating mechanism on the supporting mechanism, and cabinet door is installed to the preceding terminal surface of the cabinet body.

The supporting mechanism include the backup pad, the inside of the cabinet body is from supreme three sets of bearing spare that evenly is provided with down, be provided with the backup pad of two upper and lower symmetry arrangements in every bearing spare of group, the bearing spare fixed mounting that is located the lower part is on the cabinet body, sliding fit between the other two sets of bearing spare and the cabinet body, and the bearing spare that is located well, upper portion removes through same drive unit, all be provided with the locating part between two backup pads at middle part and the cabinet body, the left and right sides of two backup pads at middle part all is provided with support piece, and support piece and locating part cooperation are connected through the stand between two backup pads in the bearing spare at middle part, the symmetry is evenly provided with two rows of spacing holes around in the backup pad.

Preferably, the drive unit include the casing, the up end of the cabinet body install the casing, the inside bilateral symmetry of casing respectively rotates and is connected with a axostylus axostyle, the circumference outer wall of axostylus axostyle is evenly installed along its axial direction and is received and release the wheel, be located and connect through the bracing piece between two backup pads on upper portion, receive and release and take turns to the winding and have the rope, from the back forward the lower extreme of the rope of arranging in proper order and receive and release the right angle end connection of the backup pad of taking turns to be connected with the bracing piece upper end, the stopper is connected to the lower extreme of the rope that the remaining receive and release wheel is connected, the stopper passes through slide rail and cabinet body sliding connection.

Preferably, the support piece include the connecting rod, the connecting rod is all installed to the left and right sides terminal surface of the backup pad that is located the middle part, connecting rod rear end tilt up and be connected with the dead lever between the backup pad.

Preferably, the separating mechanism comprises a fixed block, the up end of backup pad evenly is provided with the fixed block from a left side to the right side, the notch has been seted up to the fixed block is inside, both sides sliding connection has two drive plates around the fixed block, and drive plate one end extends to the outside of fixed block, the other end of drive plate extends to in the notch, reset spring is all installed between the opposite face of two drive plates and the notch inside wall, the opposite face of two drive plates all articulates there is a connecting rod, the one end that the drive plate was kept away from to two connecting rods articulates jointly has the push rod, push rod and fixed block sliding connection, the clamp plate is installed to the other end of push rod, the symmetry respectively is provided with one and spacing hole complex joint spare around the lower extreme face of clamp plate.

Preferably, the locating part include a slider, the dead lever is opposite to the terminal surface upper and lower symmetry of backup pad and is installed a slider, and the connecting rod is kept away from the one end of dead lever and is installed No. two sliders opposite to the terminal surface of backup pad, the rear end upper and lower symmetry of stopper install the limiting plate of U-shaped, the horizontal segment of limiting plate all has been seted up and is used for a slider, no. two slider gliding spouts in one side of backup pad, and the front end of spout runs through the stopper, no. two sliders are greater than a slider along the gliding distance of spout along the spout, seted up the spacing groove that is perpendicular and be linked together with the spout on the stopper.

Preferably, the clamping piece include the actuating lever, the lower extreme front and back symmetry of clamp plate respectively installs a actuating lever, the lower extreme slip of actuating lever runs through the fixed block, square mouth has been seted up to the lower extreme of actuating lever, a dog is respectively installed through round pin axle, torsional spring to the front and back symmetry in the square mouth, and the dog is right trapezoid structure, is provided with spacing rope between two adjacent dogs, actuating lever lower extreme cover be equipped with spacing hole joint's section of thick bamboo post, and section of thick bamboo post installs on the fixed block, has seted up the gliding square groove of being used for the dog on the section of thick bamboo post.

Preferably, the left and right sides of the cabinet body all is provided with air exhauster and tripe wind gap, and the air outlet position of air exhauster is provided with the check valve, and the check valve is installed on the cabinet body, and cabinet internal side wall corresponds the position of tripe wind gap, and the frame is shape structure and opening towards cabinet internal portion, and the horizontal segment longitudinal section of frame is L shape structure, and the joint has the fixed plate in the frame, and the fixed plate is U type structure and opening up, and a filter screen is respectively installed to the opposite face bilateral symmetry of two vertical sections of fixed plate, has placed the drier between two filter screens.

Preferably, the exhaust fan is arranged at the lower part of the cabinet body, and the louver air port is arranged at the upper part of the cabinet body.

The invention has the beneficial effects that:

1. the supporting mechanism provided by the invention can move up and down on the high-rise supporting plate, so that the file bags on the high-rise supporting plate can be conveniently taken and placed, the supporting plate is always kept horizontal in the moving process through the supporting piece, the file bags are prevented from falling due to the overturning of the supporting plate, and the stable taking and placing efficiency of the file bags is improved.

2. According to the separation mechanism provided by the invention, the stop block is retracted and released by pressing the driving plate, and the fixed block is fixed by extruding the stop block on the supporting plate, so that the separation and fixation of a small number of file bags after being placed are realized, and the file bags are placed in the same row and in different regions.

3. The exhaust fan and the louver air port are arranged to realize the exchange of air flows inside and outside the cabinet body, so that the inside wet air device is extracted, and the outside air is dedusted and dehumidified and then enters the cabinet body, so that dust and moisture are prevented from entering the inside of the cabinet body to pollute and damage files, and the storage life of the files is influenced.

Drawings

The invention will be further described with reference to the drawings and examples.

Fig. 1 is a schematic view of a first view structure of the present invention.

Fig. 2 is a schematic view of a second view structure of the present invention (excluding the cabinet door).

Fig. 3 is a cross-sectional view of the divider mechanism of the present invention.

Fig. 4 is an enlarged view of a portion of fig. 3 according to the present invention.

Fig. 5 is a diagram of the operation of the invention (excluding the cabinet door and part of the housing).

FIG. 6 is a schematic view of the structure between the suction fan, the louver and the cabinet of the present invention.

In the figure: 10. a cabinet body; 11. a cabinet door; 2. a support mechanism; 3. a partition mechanism; 20. a support plate; 21. a column; 22. a limiting hole; 4. a driving unit; 5. a limiting piece; 6. a support; 40. a housing; 41. a shaft lever; 42. a retractable wheel; 43. a rope; 44. a limiting block; 60. a connecting rod; 61. a fixed rod; 30. a fixed block; 31. a notch; 32. a driving plate; 33. a return spring; 34. a connecting rod; 35. a push rod; 36. a pressing plate; 7. a clamping piece; 50. a first sliding block; 51. a second slide block; 52. a limiting plate; 53. a chute; 54. a limit groove; 70. a driving rod; 71. a stop block; 72. a limit rope; 73. a cylinder column; 74. a square groove; 12. an exhaust fan; 13. a shutter air port; 14. a frame; 15. a fixing plate; 16. and (3) a filter screen.

Detailed Description

Embodiments of the present invention are described below with reference to the accompanying drawings. In this process, to ensure clarity and convenience of description, the widths of the lines or the sizes of the constituent elements in the drawings may be exaggerated.

In addition, the terms hereinafter are defined based on functions in the present invention, and may be different according to intention of a user, an operator, or a convention. Accordingly, these terms are defined based on the entire contents of the present specification.

Referring to fig. 1 and 2, a file cabinet includes a cabinet body 10; the cabinet body 10 is of a rectangular structure with an opening at the front side, a supporting mechanism 2 used 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.

Referring to fig. 2 and 5, the supporting mechanism 2 includes a supporting plate 20, three groups of supporting members 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 supporting members, the supporting members positioned at the lower part are fixedly arranged on the cabinet body 10, the other two groups of supporting members are in sliding fit with the cabinet body 10, the supporting members positioned at the middle and upper parts are moved by the same driving unit 4, a limiting member 5 is arranged between the two supporting plates 20 positioned at the middle part and the cabinet body 10, supporting members 6 are respectively arranged at the left side and the right side of the two supporting plates 20 positioned at the middle part, the supporting members 6 are matched with the limiting member 5, the two supporting plates 20 positioned in the supporting members at the middle part are connected by a stand column 21, and two rows of limiting holes 22 are uniformly arranged on the supporting plates 20 in a front-back symmetrical manner.

During specific work, after the file pocket of lower floor is put and is accomplished, draw out two backup pads 20 that connect through stand 21 in the middle part earlier and drive unit 4 cooperation, later drive backup pad 20 at middle part through drive unit 4 and move down, drive unit 4 drive backup pad 20 at upper portion move down to the position department that middle part backup pad 20 vacated simultaneously to conveniently get the file pocket of putting upper strata backup pad 20.

Referring to fig. 2 and 3, the partition mechanism 3 includes a fixed block 30, the upper end surface 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 front and rear sides 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 return spring 33 is mounted between the opposite surfaces of the two driving plates 32 and the inner side wall of the notch 31, the opposite surfaces of the two driving plates 32 are hinged with a connecting rod 34, one ends of the two connecting rods 34 far away from the driving plates 32 are hinged with a push rod 35 together, the push rod 35 is slidably connected with the fixed block 30, a pressing plate 36 is mounted at the other end of the push rod 35, and clamping pieces 7 matched with the limiting holes 22 are symmetrically arranged in front and rear of the lower end of the pressing plate 36.

Referring to fig. 3 and 4, the clamping member 7 includes a driving rod 70, a driving rod 70 is installed at the front and rear of the lower end face of the pressing plate 36, the lower end of the driving rod 70 penetrates through the fixing block 30 in a sliding manner, a square opening is formed at the lower end face of the driving rod 70, a stop block 71 is installed at the front and rear of the square opening in a front and rear symmetrical manner respectively through a pin shaft and a torsion spring, the stop block 71 is in a right trapezoid structure, a limiting rope 72 is arranged between two adjacent stop blocks 71, a cylinder 73 clamped with the limiting hole 22 is sleeved at the lower end of the driving rod 70, the cylinder 73 is installed on the fixing block 30, and a square groove 74 for sliding the stop block 71 is formed in the cylinder 73.

In specific operation, the two driving plates 32 are manually pressed to be close to each other and compress the return spring 33, the connecting rod 34 is pressed downwards to push the push rod 35, the push rod 35 pushes the pressing plate 36, the pressing plate 36 presses the driving rod 70, the driving rod 70 moves downwards, the driving rod 70 contacts with the stop block 71 and then presses the stop block 71 downwards, so that the stop block 71 rotates towards the inside of the square groove 74, the driving plate 32 is kept pressed to enable the cylindrical column 73 to be inserted into the corresponding limiting hole 22, the driving plate 32 is released, the driving plate 32 is separated from each other under the action of the return spring 33 and reset, so that the pressing plate 36 moves upwards to drive the driving rod 70 to move upwards, the driving rod 70 does not press the stop block 71 any more, the stop block 71 rotates to extend out from the square groove 74 under the action of the torsion spring, and finally the stop block 71 is tightly attached to the lower end face of the supporting plate 20, and at the moment, connection fixation between the fixing block 30 and the supporting plate 20 is completed; the limiting rope 72 is used for pulling the two stop blocks 71, so that the stop blocks 71 can not generate rotation releasing force when being extruded, and further, the stop blocks 71 are tightly attached to the supporting plate 20.

Referring to fig. 5 and 6, the supporting member 6 includes a connecting rod 60, the connecting rod 60 is mounted on the end surfaces of the left and right sides of the supporting plate 20 at the middle part, and a fixing rod 61 is connected between the rear end of the connecting rod 60 and the supporting plate 20.

Referring to fig. 2, 5 and 6, the driving unit 4 includes a housing 40, the upper end surface of the cabinet 10 is provided with the housing 40, a shaft lever 41 is rotationally connected to the upper end surface of the housing 40, three winding and unwinding wheels 42 are uniformly installed 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 part are connected through support rods, ropes 43 are wound on the winding and unwinding wheels 42, the lower ends of the ropes 43 connected to the first winding and unwinding wheels 42 and the second winding and unwinding wheels 42 which are sequentially arranged from back to front are connected with right-angle ends of the support plates 20 at the upper end of the support rods, and a limiting block 44 is connected to the lower ends of the ropes 43 connected to the remaining winding and unwinding wheels 42, and the limiting block 44 is in sliding connection with the cabinet 10 through a sliding rail.

Referring to fig. 5 and 6, the limiting member 5 includes a first slider 50, the end surface of the fixing rod 61 opposite to the supporting plate 20 is vertically symmetrically provided with the first slider 50, the end surface of the connecting rod 60 opposite to the supporting plate 20 is away from one end of the fixing rod 61 and is provided with a second slider 51, the rear end of the limiting block 44 is vertically symmetrically provided with a U-shaped limiting plate 52, one side of the horizontal section of the limiting plate 52 facing the supporting plate 20 is provided with a sliding groove 53 for sliding the first slider 50 and the second slider 51, the front end of the sliding groove 53 penetrates through the limiting block 44, the sliding distance of the second slider 51 along the sliding groove 53 is greater than the sliding distance of the first slider 50 along the sliding groove 53, and the limiting block 44 is provided with a limiting groove 54 which is perpendicular to and communicated with the sliding groove 53.

During specific work, in the process of pulling the middle supporting plate 20 outwards in a manual mode, the second sliding block 51 and the first sliding block 50 slide forwards along the sliding groove 53, the second sliding block 51 finally slides out of the front end of the sliding groove 53, the second sliding block 51 does not slide again after sliding to the communication position of the sliding groove 53 and the limiting groove 54, then the existing motor drives the shaft lever 41 to rotate, the winding and unwinding wheel 42 rotates, the winding and unwinding wheel 42 slowly drops the upper supporting plate 20 and the limiting block 44 through the rope 43, the limiting block 44 only moves downwards along the sliding rail, the limiting block 44 synchronously drives the limiting plate 52, the connecting rod 60 and the middle supporting plate 20 to move downwards until the middle supporting plate 20 and the upper supporting plate 20 move to a position suitable for workers to take file bags, so that the file bags at different positions are quickly and conveniently taken out, a stable triangular structure is formed among the connecting rod 60, the fixing rod 61 and the supporting plate 20, the situation that the supporting plate 20 tilts after the second sliding block 51 slides out of the sliding groove 53 is avoided, and the stability of the supporting plate 20 is ensured.

Referring to fig. 5 and 6, the left and right sides of the cabinet body 10 are provided with an exhaust fan 12 and a louver air opening 13, the air outlet of the exhaust fan 12 is provided with a one-way valve, the one-way valve is mounted on the cabinet body 10, the position of the inner side wall of the cabinet body 10 corresponding to the louver air opening 13 is provided with a frame 14, the frame 14 is -shaped and is opened towards the inside of the cabinet body 10, a fixing plate 15 is clamped in the frame 14, the fixing plate 15 is of a U-shaped structure and is opened upwards, two opposite sides of two vertical sections of the fixing plate 15 are symmetrically provided with a filter screen 16, and a drying agent is placed between the two filter screens 16.

When the cabinet is in specific work, the exhaust fan 12 works to exhaust the moisture in the cabinet 10, and the air is sucked into the cabinet through the louver air openings 13, and when the air enters the cabinet 10 from the louver air openings 13, the air is firstly dedusted through the filter screen 16 and then dehumidified through the desiccant, so that the air entering the cabinet 10 is ensured to be dry and clean; in addition, the fixing plate 15 and the frame 14 are connected in a clamping manner, so that the filter screen can be conveniently cleaned and replaced.

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

In particular, because the wet air is heavy and can be deposited below the cabinet 10, the exhaust fan 12 arranged at the lower part can efficiently suck the moisture from the interior of the cabinet 10, and the shutter air inlet 13 above can suck the air with cleaner outside into the interior of the shell.

When the cabinet door 11 is specifically used, firstly, file bags are placed from the lower layer, the file bags on the middle-lower layer support plate 20 are placed, the middle support plate 20 is pulled out after being partitioned and fixed through the partition mechanism 3, then the existing motor drives the shaft rod 41 to rotate, the shaft rod 41 drives the winding and unwinding wheel 42 to rotate, the winding and unwinding wheel 42 slowly drops the middle and upper support plates 20 through the ropes 43 until the middle and upper support plates 20 move to a position suitable for workers to take the file bags, after the file bags are taken and placed, the driving unit 4 operates to reset the support plates 20, then the cabinet door 11 is closed, when moisture in the cabinet 10 is heavier, the air in the cabinet 10 can be extracted and replaced through the exhaust fan 12 and the louver 13, and the entered air is dedusted and dehumidified through the filter screen 16 and the desiccant, so that the moisture is prevented from entering the cabinet 10 to damage files, and the storage life is shortened.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

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).