CN214904821U

CN214904821U - Movable file cabinet

Info

Publication number: CN214904821U
Application number: CN202120209338.3U
Authority: CN
Inventors: 裴正梅
Original assignee: Hefei Changan Office Furniture Manufacturing Co ltd
Current assignee: Hefei Changan Office Furniture Manufacturing Co ltd
Priority date: 2021-01-23
Filing date: 2021-01-23
Publication date: 2021-11-30
Anticipated expiration: 2031-01-23

Abstract

The utility model relates to a portable filing cabinet, it includes the slide rail, is equipped with the cabinet body that a plurality of intensive arranged on the slide rail, and cabinet body bottom is fixed with base and gyro wheel, is equipped with the rolling drive assembly of drive gyro wheel on the cabinet body, and drive assembly includes drive sprocket, hand wheel, well sprocket one, well sprocket two, goes up chain, first pivot, drives sprocket and lower chain down, is equipped with driven subassembly between first pivot and the gyro wheel. When this application needs access file, it drives the sprocket rotation to rotate the hand wheel messenger, it drives the sprocket rotation through last chain to go up, well sprocket one, well sprocket two and chain belt drive down drive the sprocket rotation down, it drives first pivot rotation to drive the sprocket down, first pivot drives the gyro wheel rotation through driven subassembly, remove and form the passageway along the slide rail with this drive cabinet body, provide the activity space for the staff, the cabinet body removes orderly arrangement on the slide rail all the time in-process, prevent that the cabinet body from removing the back in disorder and occupying a large amount of spaces and hindering other cabinet body and remove, thereby have the effect of saving space and convenient removal.

Description

Movable file cabinet

Technical Field

The application relates to the technical field of office furniture, in particular to a movable file cabinet.

Background

The file cabinet is a cabinet for placing documents, data and the like, is generally used in offices, file rooms, data rooms, personal study rooms and other occasions, is generally large, is very laborious to carry, and brings inconvenience to the use of office staff.

At present, the chinese utility model with publication number CN210055189U discloses a file cabinet, which comprises a cabinet body and a base fixed with the cabinet body; a moving device convenient for moving the cabinet body is arranged in the base, and comprises moving wheels fixed at the bottom of the base, a stabilizing plate connected with the inner side wall of the base in a sliding manner, a driving pipe fixed on the upper surface of the stabilizing plate, a screw rod vertically arranged in the base, an adjusting part for driving the screw rod to rotate and a driving part for driving the adjusting part to work; the upper end of the screw rod is rotatably connected with the inner top wall of the base, and the lower end of the screw rod is arranged in the driving pipe and is in threaded connection with the inner wall of the driving pipe. When a user needs to carry the file cabinet, the movable wheels fixed at the bottom of the base are in contact with the ground, and the user can push the cabinet body to transfer the file cabinet; when the screw rod rotates, the stabilizing plate is abutted against the ground, the movable wheels are separated from the ground, and the file cabinet loses the movement capability and is fixed.

In view of the above-mentioned related technologies, the inventor believes that if the storage capacity of the file is large, a plurality of file cabinets are required, and the movable file cabinets are difficult to arrange in order, so that the defect of inconvenient movement due to occupation of a large amount of space exists.

SUMMERY OF THE UTILITY MODEL

In order to save space and facilitate movement, the application provides a movable file cabinet.

The application provides a portable filing cabinet adopts following technical scheme:

a movable file cabinet comprises a slide rail, wherein a plurality of cabinet bodies which are densely arranged are arranged on the slide rail, a base is fixedly connected to the bottom of each cabinet body, rollers which are rotatably arranged in the slide rail are mounted on the base, a driving assembly for driving the rollers to roll is arranged on each cabinet body, the driving assembly comprises an upper driving chain wheel which is rotatably connected on each cabinet body, a hand wheel for driving the upper driving chain wheel to rotate, a middle chain wheel I and a middle chain wheel II which are rotatably connected on each cabinet body, an upper chain which is wound on the upper driving chain wheel I and the middle chain wheel I, a first rotating shaft which is rotatably connected on the base, a lower driving chain wheel which is fixedly connected on the first rotating shaft, and a lower chain which is wound on the lower driving chain wheel and the middle chain wheel II, the hand wheel is rotatably connected with the side wall of the cabinet body, the middle chain wheel I and the middle chain wheel II are coaxially arranged and fixedly connected, and a driven assembly is arranged between the first rotating shaft and the roller.

By adopting the technical scheme, the plurality of cabinets are densely arranged on the slide rail in a normal storage state; when files need to be stored and taken, the staff only need to rotate the hand wheel, the hand wheel drives the upper drive sprocket and rotates, the upper drive sprocket rotates through chain wheel one and middle sprocket two rotates in the cochain strip, middle sprocket two drives the sprocket rotation under the chain drive, the lower drive sprocket drives first pivot and rotates, first pivot drives the gyro wheel rotation through driven subassembly, with this drive cabinet body along slide rail removal and form the passageway, provide activity space for the staff, the cabinet body removes orderly arrangement on the slide rail all the time in-process, prevent that the cabinet body from removing the back in disorder and occupying a large amount of spaces and hindering other cabinet body removal, thereby have the effect of saving space and convenient removal.

Preferably, the driven assembly includes fixed connection's in the first pivot driven sprocket one rotate the second pivot of connection on the base fixed connection's driven sprocket two and around locating in the second pivot driven sprocket one reaches the driven chain in the two outsides of driven sprocket, gyro wheel fixed mounting in the both ends of second pivot, driven chain with driven sprocket one reaches driven sprocket two is all meshed.

Through adopting above-mentioned technical scheme, when the staff rotated the hand wheel and made first pivot rotate, first pivot drove driven sprocket and rotate, and driven sprocket drives driven sprocket two through driven chain and rotates, and driven sprocket two drives the second pivot and rotates to this drives the gyro wheel and rolls, and then drives the base and slide on the slide rail.

Preferably, seted up on the lateral wall of the cabinet body and held the race of hand wheel, be equipped with the locking subassembly on the lateral wall of the cabinet body, the locking subassembly includes stopper, sleeve and connecting rod, the stopper fixed set up in on the lateral wall of hand wheel, seted up a plurality of holding on the lateral wall of race the spacing groove of stopper, the sleeve with the cabinet body rotates the connection, telescopic one end is worn out the lateral wall of the cabinet body and with hand wheel fixed connection sets up the spout that the opening is the rectangle on the terminal surface of the other end, the one end of connecting rod with on drive sprocket fixed connection, the other end penetrates in the spout, and with the inner wall laminating of spout, the connecting rod with the spout cooperation of sliding.

By adopting the technical scheme, when the cabinet body needs to be moved, a worker only needs to pull the hand wheel outwards to enable the sleeve to slide outwards along the connecting rod until the limiting block is separated from the limiting groove, then the hand wheel is rotated to drive the sleeve to rotate around the axis of the sleeve, and the rectangular sliding groove limits the connecting rod to enable the connecting rod to rotate along with the sleeve so as to drive the upper driving chain wheel to rotate; when the cabinet body needs to be fixed, a worker only needs to push the hand wheel inwards to enable the hand wheel to be arranged in the hand wheel groove, the limiting block is clamped in the limiting groove at the moment, the limiting groove limits the rotation of the hand wheel under the limiting effect of the limiting block, and therefore the cabinet body is locked.

Preferably, the limiting block is made of a magnet, and a magnetic block magnetically attracted with the limiting block is fixedly arranged in the limiting groove.

By adopting the technical scheme, when the cabinet body is locked, the magnetic block and the limiting block are magnetically attracted, so that the phenomenon that the locking is unstable due to the outward protrusion of the hand wheel is prevented; and when the hand wheel is pulled outwards, the magnetic force between the limiting block and the magnetic block is gradually reduced along with the increase of the distance between the limiting block and the magnetic block, so that the hand wheel is prevented from being sucked back into the wheel groove again after being pulled out, and the hand wheel is convenient for workers to rotate.

Preferably, one end of the connecting rod, which is far away from the upper driving chain wheel, is fixedly provided with a flange, and the side wall of the sliding groove, which is close to the hand wheel, is provided with an anti-falling groove, the side wall of which is abutted against the flange.

Through adopting above-mentioned technical scheme, when the hand wheel was by outside pulling, the sleeve outwards slided along the connecting rod, to the flange and the lateral wall butt in anticreep groove, and the anticreep groove has prevented that the connecting rod from breaking away from the spout to the restriction of flange to the hand wheel has been ensured and has been driven sprocket pivoted effect.

Preferably, the first rotating shaft and the second rotating shaft are rotatably connected with the base through bearings.

Through adopting above-mentioned technical scheme, when the file that needs the access was located the cabinet body of intermediate position, the staff only need remove the restriction of locking subassembly, then by the hand wheel of rotating the assigned position cabinet body, above-mentioned cabinet body promotes other cabinet bodies and outwards removes simultaneously this moment, and the setting up of pivot has reduced the frictional force between first pivot and second pivot and the base, and the resistance when making the cabinet body slide along the spout reduces to have good laborsaving effect.

Preferably, a plurality of laminates for placing files are arranged in the cabinet body, separation fences are fixedly arranged on the inner side wall of the cabinet body, and the separation fences are arranged on the upper side of the central axis of the laminates.

By adopting the technical scheme, the files vertically placed on the partition fence laminate form a support in the horizontal direction, so that the files are prevented from toppling over; and the files are distributed on the two sides of the partition fence, and workers can access the files exposed on the two sides of the channel at the same time, so that the working efficiency is improved.

Preferably, the outer side wall of the cabinet body at the two ends of the sliding rail is provided with a panel.

Through adopting above-mentioned technical scheme, under the normal storage state, closely laminating between the cabinet body, the panel was closed this moment, made a plurality of cabinet body formation a confined whole, it is internal to prevent that the worm and mouse from getting into the cabinet to play the effect of protection file.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when a file needs to be stored and taken, a worker rotates a hand wheel, the hand wheel drives an upper driving chain wheel to rotate, the upper driving chain wheel rotates to sequentially drive a lower driving chain wheel to rotate through an upper chain, a first middle chain wheel, a second middle chain wheel and a lower chain, the lower driving chain wheel drives a first rotating shaft to rotate, the first driven chain wheel rotates along with the first rotating shaft at the moment, the second driven chain wheel drives a second rotating shaft to rotate through a driven chain, and the second driven chain wheel drives a second rotating shaft to rotate so as to drive a roller to roll in a groove, so that the base and the cabinet body orderly slide on a slide rail and a channel for the worker to move is formed, the space is saved, and the movement is convenient;

2. the hand wheel rotates and drives the upper driving chain wheel to rotate, the upper driving chain wheel rotates and drives the lower driving chain wheel to rotate through the driving chain, the lower driving chain wheel drives the first rotating shaft to rotate, at the moment, the first driven chain wheel rotates and drives the second driven chain wheel to rotate through the driven chain, the second driven chain wheel drives the second rotating shaft to rotate, the roller is driven to roll along the sliding rail through the rotation, the base is driven to slide on the sliding rail, and the driving assembly is used for controlling the cabinet body to slide along the sliding rail;

3. when the hand wheel is arranged in the wheel groove, the limiting block is positioned in the limiting groove so as to limit the hand wheel to rotate, and the effect of locking the cabinet body is achieved; when the cabinet body needs to be moved, a worker pulls the hand wheel outwards to the limiting block to separate from the limiting groove, the sleeve slides outwards along the connecting rod, the hand wheel is rotated at the moment, the sleeve rotates the connecting rod, the connecting rod rotates along with the sleeve under the limiting effect of the sleeve, the upper driving chain wheel is driven to rotate, and the purpose that the cabinet body is driven by the rotating mechanism to move is achieved.

Drawings

Fig. 1 is a schematic overall structure diagram of the application embodiment.

Fig. 2 is a schematic view of the internal structure of the application example.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 1.

Description of reference numerals: 1. a cabinet body; 11. laminating the board; 12. a divider bar; 13. a wheel groove; 131. a limiting groove; 132. a magnetic block; 14. a panel; 2. a base; 21. a mounting frame; 22. a roller; 23. a slide rail; 3. a drive assembly; 31. a hand wheel; 32. an upper drive sprocket; 33. a middle chain wheel I; 34. chain feeding; 35. a middle chain wheel II; 36. a lower drive sprocket; 37. a lower chain; 38. a first rotating shaft; 4. a driven assembly; 41. a second rotating shaft; 42. a driven chain wheel I; 43. a driven chain wheel II; 44. a driven chain; 5. a locking assembly; 51. a limiting block; 52. a sleeve; 521. a chute; 522. a drop-proof groove; 53. a connecting rod; 531. a flange.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a movable file cabinet. Referring to fig. 1 and 2, the mobile file cabinet includes a slide rail 23, a cabinet body 1, a base 2, a driving assembly 3, a driven assembly 4, and a locking assembly 5. The slide rail 23 is a long strip with a rectangular cross section, is fixedly installed on the ground, and is provided with a groove on the upper surface. The opening of the groove is rectangular, and the length direction of the groove is consistent with the length direction of the slide rail 23. The slide rail 23 has two, and two slide rails 23 are arranged in parallel.

Referring to fig. 1, the cabinet body 1 is a rectangular frame structure, which is vertically arranged on the upper side of the slide rail 23, the cabinet body 1 is provided with a plurality of cabinets 1, the cabinets 1 are arranged along the length direction of the slide rail 23, and the side walls of the adjacent cabinets 1 are attached to each other, so that the space is saved. Be located and be provided with panel 14 on the lateral wall of the cabinet body 1 at slide rail 23 both ends, when panel 14 closed, the cabinet body 1 of laminating each other forms a confined whole with panel 14 jointly to effectual protection against insects and mice gets into in the cabinet body 1.

Referring to fig. 1, a plurality of laminates 11 are disposed in the cabinet 1, each laminate 11 is in the shape of a rectangular plate, the length direction of each laminate is identical to the length direction of the cabinet 1, and two ends of each laminate are fixedly connected to the inner side wall of the cabinet 1. Referring to fig. 2, a partition rail 12 is disposed on the upper side of the central axis of the laminate 11, the cross section of the partition rail 12 is rectangular, the length direction of the partition rail is identical to the length direction of the laminate 11, and both ends of the partition rail are fixedly connected to the inner side wall of the cabinet 1. The partition fence 12 supports the files placed on the laminate 11 and prevents the files from falling, and the files are distributed on two sides of the partition fence 12, so that the workers can access the files exposed on two sides of the channel at the same time, and the working efficiency is improved.

Referring to fig. 2, the base 2 is a rectangular frame structure and is fixedly mounted at the bottom of the cabinet 1, and the base 2 is horizontally disposed on the slide rail 23 and is in sliding fit with the slide rail. The base 2 is internally and fixedly provided with a mounting frame 21, the mounting frame 21 is a rectangular plate-shaped structure, and the length direction of the mounting frame is consistent with the width direction of the base 2. There are four mounting brackets 21, and the four mounting brackets 21 are distributed in two pairs in the base 2.

Referring to fig. 2, the driving assembly 3 includes a hand wheel 31, an upper driving sprocket 32, a first middle sprocket 33, a second middle sprocket 35, a lower driving sprocket 36, an upper chain 34, a lower chain 37, and a first rotating shaft 38. The hand wheel 31 is arranged on the outer side wall of the upper driving chain wheel 32 and is rotationally connected with the side wall of the cabinet body 1. A cavity is formed in the side wall of the cabinet body 1, and the upper driving chain wheel 32, the first middle chain wheel 33 and the second middle chain wheel 35 are all arranged in the cavity and are rotationally connected with the cabinet body 1. The upper driving chain wheel 32 is arranged on the upper sides of the first middle chain wheel 33 and the second middle chain wheel 35, and the first middle chain wheel 33 and the second middle chain wheel 35 are coaxially arranged and fixedly connected. The upper chain 34 is wound around the upper drive sprocket 32 and the first middle sprocket 33 and meshed with the upper drive sprocket 32 and the first middle sprocket 33. The lower driving chain wheel 36 is rotationally connected with the base 2, and the lower chain 37 is wound on the lower driving chain wheel 36 and the second middle chain wheel 35 and is meshed with the lower driving chain wheel 36 and the second middle chain wheel 35. The first rotating shaft 38 is a circular rod, is rotatably connected with the base 2, and has an axis direction consistent with the length direction of the base 2, one end of the first rotating shaft 38 is fixedly connected with the lower driving chain wheel 36, and the other end of the first rotating shaft sequentially penetrates through the two mounting frames 21 close to the lower driving chain wheel 36 and is rotatably connected with the two mounting frames 21.

Referring to fig. 2, the driven assembly 4 includes a second rotating shaft 41, a first driven sprocket 42, a second driven sprocket 43, and a driven chain 44. The second rotating shaft 41 is a circular rod, the length direction of the second rotating shaft is consistent with the length direction of the base 2, and the second rotating shaft 41 penetrates through the four mounting frames 21 and is rotatably connected with the four mounting frames 21. The rollers 22 are fixedly mounted at both ends of the second rotating shaft 41, and the rollers 22 are circular and rotatably disposed in the grooves. The first driven sprocket 42 and the second driven sprocket 43 are both circular, the first driven sprocket 42 is fixedly connected with the first rotating shaft 38, the second driven sprocket 43 is fixedly connected with the second rotating shaft 41, and the driven chain 44 is in a closed ring shape and is wound on the outer sides of the first driven sprocket 42 and the second driven sprocket 43 and meshed with the first driven sprocket 42 and the second driven sprocket 43. Two groups of driven components 4 are arranged on one base 2, and the two groups of driven components 4 are distributed on two sides of the first rotating shaft 38. When a file needs to be stored and taken, a worker rotates the hand wheel 31, the hand wheel 31 drives the upper driving chain wheel 32 to rotate, the upper driving chain wheel 32 rotates to sequentially drive the lower driving chain wheel 36 to rotate through the upper chain 34, the middle chain wheel 33, the middle chain wheel 35 and the lower chain 37, the lower driving chain wheel 36 drives the first rotating shaft 38 to rotate, at the moment, the first driven chain wheel 42 rotates along with the first rotating shaft 38, the second driven chain wheel 43 is driven to rotate through the driven chain 44, the second driven chain wheel 43 drives the second rotating shaft 41 to rotate, so that the roller 22 is driven to roll in the groove, orderly sliding of the base 2 and the cabinet body 1 on the sliding rail 23 is realized, a channel for the worker to move is formed, the space is saved, and the movement is convenient. The first rotating shaft 38 is connected with the base 2 and the mounting frame 21 through bearings, so that the friction force between the first rotating shaft 38 and the base 2 and the mounting frame 21 is reduced. The second rotating shaft 41 is connected with the mounting frame 21 through a bearing, so that the friction force between the second rotating shaft 41 and the mounting frame 21 is reduced, the resistance when the cabinet body 1 slides along the sliding groove 521 is reduced, the simultaneous movement of a plurality of cabinet bodies 1 is facilitated, and a good labor-saving effect is achieved.

Referring to fig. 1 and 3, the locking assembly 5 includes a stopper 51, a sleeve 52, and a connecting rod 53. The outer side wall of the cabinet body 1 provided with the hand wheel 31 is provided with a wheel groove 13, and the opening of the wheel groove 13 is circular. A plurality of limiting grooves 131 are formed in the side wall of the wheel groove 13, openings of the limiting grooves 131 are rectangular, the limiting grooves 131 are multiple, and the limiting grooves 131 are evenly distributed along the circumferential direction of the wheel groove 13. The limiting block 51 is a rectangular block-shaped structure and is fixedly arranged on the outer side wall of the hand wheel 31, and the limiting block 51 is matched with the limiting groove 131 in a sliding manner. The sleeve 52 is cylindrical and is rotatably connected with the cabinet 1, one end of the sleeve 52 penetrates through the cabinet 1 and is fixedly connected with the hand wheel 31, a sliding groove 521 is formed in the end face of the other end of the sleeve 52, and an opening of the sliding groove 521 is rectangular. The cross-section of connecting rod 53 is the rectangle, and its one end and last drive sprocket 32 fixed connection, the other end penetrate in the spout 521 to with the inner wall laminating of spout 521, and connecting rod 53 and spout 521 sliding fit. When the hand wheel 31 is arranged in the wheel groove 13, the limiting block 51 is positioned in the limiting groove 131, so that the hand wheel 31 is limited from rotating, and the effect of locking the cabinet body 1 is achieved; when the cabinet body 1 needs to be moved, a worker pulls the hand wheel 31 outwards to the limiting block 51 to separate from the limiting groove 131, the sleeve 52 slides outwards along the connecting rod 53, the hand wheel 31 is rotated at the moment, the sleeve 52 limits the connecting rod 53, the connecting rod 53 rotates along with the sleeve 52, the upper driving chain wheel 32 is driven to rotate, and the purpose that the cabinet body 1 is driven to move by the rotating mechanism is achieved.

Referring to fig. 3, the side wall of the sliding chute 521 close to the hand wheel 31 is provided with a drop-proof slot 522, and the opening of the drop-proof slot 522 is rectangular and has an area larger than that of the sliding chute 521. The connecting rod 53 is kept away from the fixed flange 531 that is provided with of one end of driving sprocket 32, and flange 531 is the sheet structure of rectangle, and flange 531 is located anticreep groove 522, and when the sleeve 52 outwards slided along connecting rod 53, flange 531 and the lateral wall butt of anticreep groove 522 prevented connecting rod 53 from breaking away from spout 521 to the effect of driving sprocket 32 pivoted has been ensured to the hand wheel 31 drive. The limiting block 51 is made of a magnet, the magnetic block 132 is fixedly arranged in the limiting groove 131, and when the cabinet body 1 is locked, the magnetic block 132 and the limiting block 51 are magnetically attracted to prevent the hand wheel 31 from being separated from the wheel groove 13 to cause unstable locking.

The implementation principle of the mobile file cabinet in the embodiment of the application is as follows: when a file needs to be stored and taken, a worker rotates the hand wheel 31, the hand wheel 31 drives the upper driving chain wheel 32 to rotate, the upper driving chain wheel 32 rotates to sequentially drive the lower driving chain wheel 36 to rotate through the upper chain 34, the middle chain wheel 33, the middle chain wheel 35 and the lower chain 37, the lower driving chain wheel 36 drives the first rotating shaft 38 to rotate, at the moment, the first driven chain wheel 42 rotates along with the first rotating shaft 38, the second driven chain wheel 43 is driven to rotate through the driven chain 44, the second driven chain wheel 43 drives the second rotating shaft 41 to rotate, so that the roller 22 is driven to roll in the groove, orderly sliding of the base 2 and the cabinet body 1 on the sliding rail 23 is realized, a channel for the worker to move is formed, the space is saved, and the movement is convenient.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A portable filing cabinet, its characterized in that: including slide rail (23), be equipped with a plurality of intensive cabinets body (1) of arranging on slide rail (23), the bottom fixedly connected with base (2) of the cabinet body (1), install on base (2) rotate set up in gyro wheel (22) in slide rail (23), be equipped with the drive on the cabinet body (1) gyro wheel (22) rolling drive assembly (3), drive assembly (3) include rotate on the cabinet body (1) drive sprocket (32), drive on drive sprocket (32) pivoted hand wheel (31), rotate on the cabinet body (1) and connect well sprocket (33) and well sprocket two (35), around locating on drive sprocket (32) with last chain (34) on well sprocket (33), rotate on base (2) and connect first pivot (38), fixed connection drives sprocket (36) down on first pivot (38) and around locating down drive sprocket (36) with well sprocket two (35) down (35) The lower chain (37) on, hand wheel (31) with the lateral wall of the cabinet body (1) rotates and is connected, well sprocket one (33) with well sprocket two (35) coaxial arrangement and fixed connection, first pivot (38) with be equipped with between gyro wheel (22) driven subassembly (4).

2. A portable file cabinet according to claim 1, wherein: driven subassembly (4) include fixed connection's driven sprocket (42) on first pivot (38) rotate the second pivot (41) of connection on base (2) fixed connection's driven sprocket two (43) and around locating driven sprocket (42) and driven chain (44) outside driven sprocket two (43), gyro wheel (22) fixed mounting in the both ends of second pivot (41), driven chain (44) with driven sprocket (42) and driven sprocket two (43) all mesh.

3. A portable file cabinet according to claim 1, wherein: the side wall of the cabinet body (1) is provided with a wheel groove (13) for accommodating the hand wheel (31), the side wall of the cabinet body (1) is provided with a locking component (5), the locking component (5) comprises a limiting block (51), a sleeve (52) and a connecting rod (53), the limiting block (51) is fixedly arranged on the outer side wall of the hand wheel (31), the side wall of the wheel groove (13) is provided with a plurality of limiting grooves (131) for accommodating the limiting block (51), the sleeve (52) is rotatably connected with the cabinet body (1), one end of the sleeve (52) penetrates out of the side wall of the cabinet body (1) and is fixedly connected with the hand wheel (31), the end face of the other end is provided with a sliding groove (521) with an opening in a rectangular shape, one end of the connecting rod (53) is fixedly connected with the upper driving chain wheel (32), and the other end penetrates into the sliding groove (521), and with the inner wall laminating of spout (521), connecting rod (53) with spout (521) sliding fit.

4. A portable file cabinet according to claim 3, wherein: the limiting block (51) is made of magnets, and a magnetic block (132) which is magnetically attracted with the limiting block (51) is fixedly arranged in the limiting groove (131).

5. A portable file cabinet according to claim 3, wherein: the connecting rod (53) is far away from one end of the upper driving chain wheel (32) and is fixedly provided with a flange (531), and the side wall of the sliding groove (521) close to the hand wheel (31) is provided with an anti-falling groove (522) with the side wall abutted against the flange (531).

6. A portable file cabinet according to claim 2, wherein: the first rotating shaft (38) and the second rotating shaft (41) are rotatably connected with the base (2) through bearings.

7. A portable file cabinet according to claim 1, wherein: the novel cabinet is characterized in that a plurality of laminates (11) used for placing files are arranged in the cabinet body (1), separation fences (12) are fixedly arranged on the inner side wall of the cabinet body (1), and the separation fences (12) are arranged on the upper side of the central axis of the laminates (11).

8. A portable file cabinet according to claim 1, wherein: the outer side wall of the cabinet body (1) at the two ends of the sliding rail (23) is provided with a panel (14).