CN112263102B

CN112263102B - Cabinet is accomodate to modularization that can freely assemble

Info

Publication number: CN112263102B
Application number: CN202011109148.0A
Authority: CN
Inventors: 杨一铭
Original assignee: Greenlink System Furniture Co ltd
Current assignee: Greenlink System Furniture Co ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2022-04-26
Anticipated expiration: 2040-10-16
Also published as: CN112263102A

Abstract

The invention discloses a freely assembled modular storage cabinet, which relates to the field of intelligent home furnishing and has the technical scheme that the cabinet comprises a bottom plate and frameworks arranged at four ends of the bottom plate, the upper end and the left end of the bottom plate are respectively provided with a sliding groove and a sliding plate arranged in the sliding groove in a sliding manner, a plurality of pressure springs are arranged between the lower end of the sliding plate and the inner wall of the sliding groove, the upper end of the sliding plate is provided with a clamping groove, the lower end and the right end of the bottom plate are respectively provided with a connecting groove arranged in a mirror image manner with the sliding groove and a connecting frame arranged in the connecting groove in a sliding manner, a reset spring is arranged between the rear end of the connecting frame and the inner wall of the connecting groove, the lower end of the connecting frame is provided with a clamping plate, the upper end of the connecting frame extends to the outer side of the bottom plate, two ends of the sliding groove are respectively provided with a fixing mechanism for fixing the sliding plate in the sliding groove, a locking mechanism for locking the position of a second supporting plate is arranged between the second supporting plate and the frameworks, and the technical effect that the sliding plate can be automatically popped out to realize a buckling function when two adjacent bottom plates are combined, operation steps are omitted, and convenience is improved.

Description

Cabinet is accomodate to modularization that can freely assemble

Technical Field

The invention relates to the field of smart homes, in particular to a modular storage cabinet capable of being freely assembled.

Background

The traditional storage cabinet has low expansibility and small variability, and the arrangement of the surrounding space needs to be changed according to the form of the storage cabinet.

At present, Chinese patent with publication number 201820051128.4 discloses a multifunctional combined storage assembly, which comprises a support plate assembly, a bottom support and a fastener, wherein the fastener connects a plurality of support plate assemblies, the bottom support is arranged at the bottom of a storage cabinet, and a handle, a hinge rotating shaft and a hinge sleeve are arranged on the support plate assembly positioned at the outer side; the supporting plate component is square and consists of an upper supporting plate, a clamping plate and a lower supporting plate, wherein the upper supporting plate and the lower supporting plate are square frame pieces, and the upper supporting plate and the lower supporting plate are buckled to fix the clamping plate; bosses and grooves are arranged at four corners of the upper support plate and the lower support plate and are matched with each other; and the edges of the upper supporting plate and the lower supporting plate are provided with a pair of clamping grooves, and the clamping grooves are fixedly connected with the fastening pieces. The multifunctional combined storage assembly is reasonable in structure, the support plate assemblies are connected and spliced into the storage cabinet through the fastening pieces, and the assembly is convenient; by adopting the modular design, the transportation space and the transportation cost are effectively saved, and the device is suitable for large-scale popularization and use.

Although the multifunctional combined storage assembly is in a modular design and convenient to assemble, the combination of the storage cabinet is fixed through the fastening piece, and the multifunctional combined storage assembly is complex in operation and inconvenient to use.

Disclosure of Invention

The invention aims to provide a freely assembled modular storage cabinet, which has the advantages that when two adjacent bottom plates are combined, a sliding plate can be automatically ejected out to realize the buckling function, the operation steps are omitted, and the convenience is realized.

The technical purpose of the invention is realized by the following technical scheme:

a modular storage cabinet capable of being freely assembled comprises a bottom plate and frameworks arranged at four ends of the bottom plate, wherein a first supporting plate and a second supporting plate which are arranged in a sliding mode are arranged between every two adjacent frameworks, a connecting plate which is connected in a rotating mode is arranged between the first supporting plate and the second supporting plate, a dustproof plate which is connected in a rotating mode is arranged at the front end of the frameworks, a sliding groove and a sliding plate which is arranged in the sliding groove in a sliding mode are respectively arranged at the upper end and the left end of the bottom plate, a plurality of pressure springs are arranged between the lower end of the sliding plate and the inner wall of the sliding groove, a clamping groove is arranged at the upper end of the sliding plate, a connecting groove and a connecting frame which are arranged in a mirror image mode with the sliding groove are respectively arranged at the lower end and the right end of the bottom plate, a reset spring is arranged between the rear end of the connecting frame and the inner wall of the connecting groove, clamping plates are arranged at the lower end of the connecting frame, the upper end of the connecting frame extends to the outside of the bottom plate, when the two bottom plates are fixedly connected, the sliding plate extends to the connecting groove and the sliding plate extends to the clamping plate, and fixing mechanisms for fixing the sliding plate in the sliding groove are respectively arranged at two ends of the sliding groove, and a locking mechanism for locking the position of the second supporting plate is arranged between the second supporting plate and the framework.

Through adopting above-mentioned technical scheme, stack a plurality of bottom plates together in same vertical plane to control the slide and move the fixed state who realizes adjacent bottom plate in the adjacent spread groove, simple easy operation's connection fixed method convenient to use personnel independent assortment bottom plate forms the cabinet of accomodating of different specifications, with the service environment that adapts to the difference, has improved the practicality.

Further setting: the sliding groove is formed in each of two ends of the sliding groove, the fixing mechanism comprises a moving block which is arranged in the moving groove in a sliding mode, an antimagnetic spring is arranged between the outer end of the moving block and the inner wall of the moving groove, fixing grooves are formed in two ends of the sliding plate, the inner end of the moving block extends into the fixing grooves, a first permanent magnet of which the lower end is in contact with the upper end of the moving block is arranged at the upper end of the moving groove in a sliding mode, fixing cavities of which the positions correspond to the moving grooves and a second permanent magnet arranged in the fixing cavities are arranged on two sides of the connecting grooves, and repulsive force is generated when the first permanent magnet is close to the second permanent magnet.

Through adopting above-mentioned technical scheme, when two bottom plates were close to, the repulsion force will be produced between adjacent first permanent magnet and the second permanent magnet, and the elasticity that this effort antimagnetic spring produced, then first permanent magnet pushes the movable block and breaks away from the fixed slot under this effort, realizes that the slide accomplishes the connection action in automatic the bullet income spread groove under pressure spring's elasticity effect, has simplified user of service's operating procedure, has improved the convenience.

Further setting: second backup pad top is equipped with the cavity, locking mechanical system is including sliding the push pedal that sets up in the cavity, be equipped with a plurality of first springs between push pedal bottom and the cavity inner wall, the first straight flute that runs through about second backup pad top is equipped with, first straight flute both ends respectively slide and are provided with first straight-bar, the push pedal both ends respectively are equipped with the recess and rotate the first connecting rod of connecting in the recess, first connecting rod top and the inner rotatable coupling of first straight-bar, skeleton bottom both sides respectively are equipped with the backup pad, be equipped with a plurality of first locking grooves with the big or small looks adaptation of first straight-bar in the backup pad, the second locking inslot is located to the first straight-bar outer end, when first backup pad is in folding state of accomodating with the second backup pad, first straight-bar outer end moves to first locking inslot.

Through adopting above-mentioned technical scheme, when first backup pad and second backup pad are in the expansion state, first straight-bar is arranged in the second and is locked inslot and can be fixed second backup pad top position, stability when improving first backup pad and second backup pad and expand, avoid leading to first backup pad and second backup pad wobbling condition to take place because of accomodating the thing overweight, when first backup pad is in fold condition with the second backup pad, the inside space of adjacent bottom plate will communicate, the person of being convenient for takes in the object that the volume is greater than single bottom plate, and the practicality is improved.

Further setting: the two ends of the framework are respectively provided with a guide rail, the two sides of the top end of the second supporting plate are respectively provided with a first connecting rod which is connected with the guide rail in a sliding way, and the two sides of the bottom end of the first supporting plate are respectively provided with a second connecting rod which is connected with the guide rail in a rotating way.

Through adopting above-mentioned technical scheme, first backup pad and second backup pad pass through the motion trail of second connecting rod and first connecting rod restriction self respectively, and the user of being convenient for controls first backup pad and second backup pad and removes, has improved the convenience.

Further setting: the lower end and the right end of the dust guard are both provided with a connecting mechanism for realizing rotatable connection of the dust guard and the framework.

By adopting the technical scheme, the two controllable connecting mechanisms are convenient for users to control the expansion of the dust guard conveniently.

Further setting: the dustproof plate lower extreme all is equipped with the removal chamber with the right-hand member, coupling mechanism sets up the movable plate in removing the intracavity including sliding, is equipped with a plurality of second springs between movable plate inner and the removal intracavity wall, removes the chamber both ends and respectively is equipped with the second straight flute, and sliding connection has the spliced pole in the second straight flute, and the spliced pole inner is equipped with the link and rotates the second connecting rod that sets up in the link, second connecting rod and movable plate rotatable coupling, skeleton top both sides respectively are equipped with the circular slot with spliced pole looks adaptation.

Through adopting above-mentioned technical scheme, initial condition lower spliced pole is arranged in the circular slot and is realized being connected the rotation between dust guard and the skeleton, and presses the movable plate and can drive the movable plate and break away from the circular slot, makes dust guard and skeleton break away from.

Further setting: the upper end and the left end of the dust guard are both provided with interlocking mechanisms for connecting adjacent dust guards.

By adopting the technical scheme, the interlocking mechanism enables the adjacent dustproof plates to be interlocked, and when power is applied to the single dustproof plate to drive the single dustproof plate to move, the adjacent dustproof plates can be driven to move simultaneously, so that the convenience is improved.

Further setting: the dust guard upper end all is equipped with the position and removes the chamber and be the interlock chamber that the mirror image set up with the left end, interlocking mechanism sets up the interlock board in interlock intracavity including sliding, be equipped with spring groove and slide the friction plate that sets up in the spring inslot in the middle of the interlock board, be equipped with compound spring between friction plate inner and the spring inslot wall, the laminating of friction plate outer end and interlock intracavity wall is equipped with the control lever that extends to the dust guard outside on the interlock board, when adjacent dust guard is in the connection status, the interlock board extends to and removes the intracavity and contacts with the movable plate top.

Through adopting above-mentioned technical scheme, the interlocking board moves to and can realize the chain of adjacent dust guard after removing the intracavity, and the interlocking board of this department will promote the movable plate removal of contact with it this moment, makes the spliced pole of both sides break away from the circular slot, avoids the spliced pole to arrange the circular slot in and hinders the opening action of dust guard, has improved the practicality.

Drawings

FIG. 1 is a front view of the assembled state of the apparatus structure of the present invention;

FIG. 2 is a schematic view of the apparatus of the present invention in a configuration in which adjacent dust guard plates are connected;

FIG. 3 is a schematic view of the device structure of the present invention with the dust guard in an open position;

FIG. 4 is a rear view of the slide plate and the connecting frame shown in FIG. 2 at A;

FIG. 5 is a schematic view of the slide plate of FIG. 2 in a state of being separated from the link frame;

FIG. 6 is a schematic view of the push plate of FIG. 3 at B in accordance with the present invention;

FIG. 7 is a schematic view of the moving plate of FIG. 3 of the present invention at C;

fig. 8 is a schematic view of the present invention in a state where adjacent dust-proof plates are connected at D in fig. 2.

1. A base plate; 2. a framework; 3. a first support plate; 4. a connecting plate; 5. a second support plate; 6. a dust-proof plate; 7. a chute; 8. a slide plate; 9. a pressure spring; 10. a card slot; 11. connecting grooves; 12. a connecting frame; 13. a return spring; 14. clamping a plate; 20. a fixing mechanism; 21. a moving groove; 22. a moving block; 23. a antimagnetic spring; 24. a first permanent magnet; 25. a fixed cavity; 26. a second permanent magnet; 30. a locking mechanism; 31. a cavity; 32. pushing the plate; 33. a first spring; 34. a first straight groove; 35. a first straight rod; 36. a groove; 37. a first link; 38. a support plate; 39. a first locking groove; 40. a second locking slot; 45. a guide rail; 46. a second connecting rod; 47. a first connecting rod; 50. a connecting mechanism; 51. a moving chamber; 52. moving the plate; 53. a second spring; 54. a second straight groove; 55. connecting columns; 56. a connecting frame; 57. a second link; 58. a circular groove; 60. a linkage mechanism; 61. a linkage cavity; 62. an interlock plate; 63. a spring slot; 64. a friction plate; 65. a compound spring; 66. a control lever.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides a cabinet is accomodate to modularization that can freely assemble, as figure 1, figure 2, figure 3 and figure 4 show, including bottom plate 1 and the skeleton 2 of setting at bottom plate 1 four ends, all be equipped with first backup pad 3 and the second backup pad 5 that slide set up between two adjacent skeletons 2, be equipped with the connecting plate 4 of being connected of rotating between first backup pad 3 and the second backup pad 5, first backup pad 3 and the second backup pad 5 that are in the expansion state will cover the space between the skeleton 2 of both sides, can support the storage, skeleton 2 front end is equipped with dust guard 6 of rotating the connection, bottom plate 1 upper end and left end are equipped with spout 7 respectively and slide 8 that slide set up in spout 7 with the slip, slide 8 upper end is equipped with the fillet and the lower extreme both sides are equipped with the fillet equally, be equipped with a plurality of compression spring 9 between slide 8 lower extreme and the spout 7 inner wall, slide 8 upper end is equipped with draw-in groove 10, bottom plate 1 lower extreme and right-hand member are equipped with the position respectively and are the spread groove 11 that spout 7 are the mirror image setting with spread groove 11 and slide and set up in 11 with the spread groove 11 with the slip in 11 that slide 11 Interior link 12, be equipped with reset spring 13 between link 12 rear end and the 11 inner walls of spread groove, link 12 lower extreme is equipped with cardboard 14, cardboard 14 lower extreme is equipped with the chamfer, link 12 upper end extends to the 1 outside of bottom plate, when two 1 fixed connection of bottom plate, slide 8 extends to in the spread groove 11 and cardboard 14 locates in the draw-in groove 10, 7 both ends of spout respectively are equipped with the fixed establishment 20 of fixing slide 8 in spout 7, be equipped with the locking mechanical system 30 of locking second backup pad 5 position between second backup pad 5 and the skeleton 2, 6 lower extremes of dust guard and right-hand member all are equipped with the coupling mechanism 50 that realizes dust guard 6 and skeleton 2 rotatable coupling, 6 upper ends of dust guard all are equipped with the interlocking gear 60 of connecting adjacent dust guard 6 with the left end.

As shown in fig. 4 and 5, the sliding groove 7 is provided with moving grooves 21 at both ends thereof, the fixing mechanism 20 includes a moving block 22 slidably disposed in the moving groove 21, a magnetic-shielding spring 23 is disposed between an outer end of the moving block 22 and an inner wall of the moving groove 21, fixing grooves 27 are disposed at both ends of the sliding plate 8, an inner end of the moving block 22 extends into the fixing grooves 27, a first permanent magnet 24 having a lower end contacting an upper end of the moving block 22 is slidably disposed at an upper end of the moving groove 21, contact surfaces of the moving block 22 and the first permanent magnet 24 are both inclined surfaces, fixing cavities 25 corresponding to the moving groove 21 and second permanent magnets 26 disposed in the fixing cavities 25 are disposed at both sides of the connecting groove 11, and when the first permanent magnet 24 and the second permanent magnets 26 approach each other, a repulsive force is generated, which is greater than an elastic force of the magnetic-shielding spring 23.

As shown in fig. 6 and 7, the top end of the second supporting plate 5 is provided with a cavity 31, the locking mechanism 30 includes a push plate 32 slidably disposed in the cavity 31, a plurality of first springs 33 are disposed between the bottom end of the push plate 32 and the inner wall of the cavity 31, the top end of the second supporting plate 5 is provided with a first straight slot 34 penetrating left and right, two ends of the first straight slot 34 are respectively slidably provided with a first straight rod 35, two ends of the push plate 32 are respectively provided with a groove 36 and a first connecting rod 37 rotatably connected in the groove 36, the top end of the first connecting rod 37 is rotatably connected with the inner end of the first straight rod 35, two sides of the bottom end of the framework 2 are respectively provided with a supporting plate 38, the supporting plate 38 is provided with a plurality of first locking slots 39 adapted to the size of the first straight rod 35, two sides of the framework 2 are respectively provided with second locking slots 40 adapted to the size of the first straight rod 35, the outer end of the first straight rod 35 is disposed in the second locking slots 40, when the first supporting plate 3 and the second supporting plate 5 are in a folded state, the outer end of the first straight bar 35 is moved into the first locking groove 39.

As shown in fig. 6, two ends of the framework 2 are respectively provided with a guide rail 45, two sides of the top end of the second support plate 5 are respectively provided with a first connecting rod 47 slidably connected with the guide rail 45, and two sides of the bottom end of the first support plate 3 are respectively provided with a second connecting rod 46 rotatably connected with the guide rail 45 through a bearing.

As shown in fig. 7, the lower end and the right end of the dust guard 6 are both provided with a movable cavity 51, the connection mechanism 50 includes a movable plate 52 slidably disposed in the movable cavity 51, a plurality of second springs 53 are disposed between the inner end of the movable plate 52 and the inner wall of the movable cavity 51, two ends of the movable cavity 51 are respectively provided with a second straight groove 54, a connection column 55 is slidably connected in the second straight groove 54, the inner end of the connection column 55 is provided with a connection frame 56 and a second connection rod 57 rotatably disposed in the connection frame 56, the second connection rod 57 is rotatably connected with the movable plate 52, two sides of the top end of the framework 2 are respectively provided with a circular groove 58 adapted to the connection column 55, and the top end of the connection column 55 is disposed in the circular groove 58 and rotatably connected thereto.

As shown in fig. 8, the upper end and the left end of the dust-proof plate 6 are both provided with an interlocking cavity 61 whose position is mirror image of the moving cavity 51, the interlocking mechanism 60 includes an interlocking plate 62 slidably disposed in the interlocking cavity 61, a spring groove 63 and a friction plate 64 slidably disposed in the spring groove 63 are disposed in the middle of the interlocking plate 62, a composite spring 65 is disposed between the inner end of the friction plate 64 and the inner wall of the spring groove 63, the outer end of the friction plate 64 is attached to the inner wall of the interlocking cavity 61, the outer end of the friction plate 64 is made of a material with a large friction force, the interlocking plate 62 is provided with a control rod 66 extending to the outer side of the dust-proof plate 6, and when the adjacent dust-proof plate 6 is in a connection state, the interlocking plate 62 extends into the moving cavity 51 and contacts with the top end of the moving plate 52.

The specific operation mode of the specific embodiment of the invention is as follows: the bottom plates 1 are rightly placed and stacked in the same vertical plane according to practical application conditions, in the process that the adjacent bottom plates 1 are close to each other, the first permanent magnet 24 and the second permanent magnet 26 are close to each other and generate repulsive force, when the distance between the first permanent magnet 24 and the second permanent magnet 26 reaches the minimum value, the repulsive force generated between the first permanent magnet 24 and the second permanent magnet 26 is larger than the elastic force generated by the antimagnetic spring 23, the first permanent magnet 24 moves downwards and pushes the moving block 22 to be separated from the fixed groove 27, the sliding plate 8 drives the sliding plate 8 to ascend and move into the connecting groove 11 under the elastic force of the pressure spring 9, in the process, the chamfer at the lower end of the clamping plate 14 is in contact with the fillet at the upper end of the sliding plate 8, the clamping plate 14 moves backwards, and after the clamping groove 10 moves to the front side of the clamping plate 14, the connecting frame 12 moves forwards under the elastic force of the return spring 13 to enable the clamping plate 14 to enter the clamping groove 10, and connection action of the adjacent bottom plates 1 is completed.

When the storage space between the adjacent bottom plates 1 needs to be communicated, the first straight rods 35 on the two sides are separated from the second locking groove 40 by pressing the push plate 32, the second support plate 5 is pushed to drive the first support plate 3 and the second support plate 5 to be folded and stored to the front end face of the bottom plate 1, the push plate 32 moves up under the elastic action of the first spring 33 after the push plate 32 is released, and the push plate 32 drives the first straight rods 35 to move to the first locking groove 39 to fix the first support plate 3 and the second support plate 5.

When the adjacent dust-proof plates 6 need to be connected to achieve the function of opening and closing simultaneously, the control rod 66 is pressed to drive the friction plate 64 to move downwards, the outer end of the friction plate 64 is separated from the inner wall of the interlocking cavity 61, then the control rod 66 can be dragged to drive the interlocking plate 62 to move, the interlocking plate 62 is moved into the adjacent moving cavity 51, in the process, the interlocking plate 62 pushes the moving plate 52 to move towards the inner side of the moving cavity 51 until the connecting column 55 is separated from the circular groove 58, the friction plate 64 moves under the elastic force of the composite spring 65 after the control rod 66 is released, the outer end of the friction plate 64 is tightly attached to the inner wall of the moving cavity 51, and the position of the interlocking plate 62 is fixed through the friction force between the friction plate 64 and the inner wall of the moving cavity 51.

The above-mentioned embodiments are merely illustrative and not restrictive, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but only protected by the patent laws within the scope of the claims.

Claims

1. The utility model provides a cabinet is accomodate to modularization that can freely assemble, is in including bottom plate (1) and setting skeleton (2), adjacent two of bottom plate (1) four ends all are equipped with first backup pad (3) and second backup pad (5) that slide set up between skeleton (2), first backup pad (3) with be equipped with between second backup pad (5) and rotate connecting plate (4) of connecting, skeleton (2) front end is equipped with dust guard (6) that rotate the connection, its characterized in that: the upper end and the left end of the bottom plate (1) are respectively provided with a sliding groove (7) and a sliding plate (8) which is arranged in the sliding groove (7) in a sliding manner, a plurality of pressure springs (9) are arranged between the lower end of the sliding plate (8) and the inner wall of the sliding groove (7), the upper end of the sliding plate (8) is provided with a clamping groove (10), the lower end and the right end of the bottom plate (1) are respectively provided with a connecting groove (11) which is arranged in a mirror image manner with the sliding groove (7) and a connecting frame (12) which is arranged in the connecting groove (11) in a sliding manner, a reset spring (13) is arranged between the rear end of the connecting frame (12) and the inner wall of the connecting groove (11), the lower end of the connecting frame (12) is provided with a clamping plate (14), the upper end of the connecting frame (12) extends to the outer side of the bottom plate (1), when the two bottom plates (1) are fixedly connected, the sliding plate (8) extends into the connecting groove (11) and the clamping plate (14) is arranged in the clamping groove (10), fixing mechanisms (20) for fixing the sliding plate (8) in the sliding groove (7) are respectively arranged at two ends of the sliding groove (7), and a locking mechanism (30) for locking the position of the second supporting plate (5) is arranged between the second supporting plate (5) and the framework (2);

the two ends of the sliding groove (7) are respectively provided with a moving groove (21), the fixing mechanism (20) comprises a moving block (22) which is arranged in the moving groove (21) in a sliding mode, a antimagnetic spring (23) is arranged between the outer end of the moving block (22) and the inner wall of the moving groove (21), two ends of the sliding plate (8) are respectively provided with a fixing groove (27), the inner end of the moving block (22) extends into the fixing groove (27), the upper end of the moving groove (21) is provided with a first permanent magnet (24) of which the lower end is in contact with the upper end of the moving block (22) in a sliding mode, two sides of the connecting groove (11) are respectively provided with a fixing cavity (25) of which the position corresponds to the moving groove (21) and a second permanent magnet (26) arranged in the fixing cavity (25), and a repulsive force is generated when the first permanent magnet (24) is close to the second permanent magnet (26).

2. The freely assemblable modular storage cabinet according to claim 1, wherein: the top end of the second supporting plate (5) is provided with a cavity (31), the locking mechanism (30) comprises a push plate (32) arranged in the cavity (31) in a sliding manner, a plurality of first springs (33) are arranged between the bottom end of the push plate (32) and the inner wall of the cavity (31), the top end of the second supporting plate (5) is provided with a first straight groove (34) which penetrates through the cavity from left to right, two ends of the first straight groove (34) are respectively provided with a first straight rod (35) in a sliding manner, two ends of the push plate (32) are respectively provided with a groove (36) and a first connecting rod (37) which is rotatably connected into the groove (36), the top end of the first connecting rod (37) is rotatably connected with the inner end of the first straight rod (35), two sides of the bottom end of the framework (2) are respectively provided with a supporting plate (38), the supporting plate (38) is provided with a plurality of first locking grooves (39) matched with the first straight rod (35) in size, skeleton (2) both sides respectively be equipped with second locking groove (40) of first straight-bar (35) size looks adaptation, first straight-bar (35) outer end is located in second locking groove (40), work as first backup pad (3) with when second backup pad (5) are in the folding state of accomodating, first straight-bar (35) outer end moves to in first locking groove (39).

3. The freely assemblable modular storage cabinet according to claim 1, wherein: skeleton (2) both ends respectively are equipped with guide rail (45), second backup pad (5) top both sides respectively be equipped with guide rail (45) sliding connection's head rod (47), first backup pad (3) bottom both sides respectively be equipped with guide rail (45) rotatable coupling's second connecting rod (46).

4. The freely assemblable modular storage cabinet according to claim 1, wherein: the lower end and the right end of the dust guard (6) are both provided with a connecting mechanism (50) for realizing rotatable connection of the dust guard (6) and the framework (2).

5. The freely assemblable modular storage cabinet according to claim 4, wherein: dust guard (6) lower extreme and right-hand member all are equipped with and remove chamber (51), coupling mechanism (50) including slide set up in remove movable plate (52) in chamber (51), movable plate (52) inner with remove and be equipped with a plurality of second springs (53) between chamber (51) inner wall, remove chamber (51) both ends and respectively be equipped with second straight flute (54), sliding connection has spliced pole (55) in second straight flute (54), spliced pole (55) inner be equipped with link (56) with rotate set up in second connecting rod (57) in link (56), second connecting rod (57) with movable plate (52) rotatable coupling, skeleton (2) top both sides respectively be equipped with circular slot (58) of spliced pole (55) looks adaptation.

6. The freely assemblable modular storage cabinet according to claim 5, wherein: the upper end and the left end of the dust guard (6) are provided with interlocking mechanisms (60) which are connected with the adjacent dust guard (6).

7. The freely assemblable modular storage cabinet according to claim 6, wherein: the upper end and the left end of the dust guard (6) are both provided with a locking cavity (61) which is arranged in a mirror image manner with the movable cavity (51), the interlocking mechanism (60) comprises an interlocking plate (62) which is arranged in the interlocking cavity (61) in a sliding way, a spring groove (63) and a friction plate (64) which is arranged in the spring groove (63) in a sliding way are arranged in the middle of the interlocking plate (62), a composite spring (65) is arranged between the inner end of the friction plate (64) and the inner wall of the spring groove (63), the outer end of the friction plate (64) is attached to the inner wall of the interlocking cavity (61), a control rod (66) extending to the outer side of the dust guard (6) is arranged on the interlocking plate (62), when the adjacent dust-proof plates (6) are in a connected state, the interlocking plate (62) extends into the moving cavity (51) and is in contact with the top end of the moving plate (52).