CN112165817A

CN112165817A - Magnetic door structure and case

Info

Publication number: CN112165817A
Application number: CN202011175598.XA
Authority: CN
Inventors: 陶利权; 刘盈楹; 王丽江; 胡天水; 何川; 吴政; 高博; 付佳伟
Original assignee: Beijing Semiconductor Equipment Institute
Current assignee: Beijing Semiconductor Equipment Institute
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-01-01
Anticipated expiration: 2040-10-28
Also published as: CN112165817B

Abstract

A magnetic door structure and a chassis, the magnetic door structure comprises a door frame upper beam, a door frame lower beam, a supporting plate, a magnetic part and a door body, wherein the supporting plate is connected with the door frame lower beam, one part of the supporting plate protrudes out of the door frame lower beam towards the outer side of the magnetic door, the magnetic part is connected with the door frame upper beam, and the door body comprises a matching part which can be absorbed by the magnetic part; when the door body is closed, the bottom of the door body is connected with the supporting plate protruding out of the lower beam of the door frame, and the matching part of the door body is connected with the magnetic suction part in an adsorption manner. The magnetic door structure is provided with the supporting plate at the lower beam of the door frame, when the door body is closed, the bottom of the door body is supported on the supporting plate, so that the stability is stronger, the door body is tightly attached to the door frame under the action of the supporting plate and the magnetic suction part, and the door gap is smaller. The chassis adopts the magnetic door structure, and has the advantages of detachable side plates and stable structure.

Description

Magnetic door structure and case

Technical Field

The invention relates to the field of mechanical devices, in particular to a magnetic door structure and a case.

Background

Some box, quick-witted case in the prior art adopt magnetism door structure, and magnetism door's advantage can conveniently be opened or close.

The prior magnetic door structure is mainly divided into two groups, namely a suspension type magnetic door and a hinge type magnetic door.

The suspended magnetic door is connected with the doorframe through magnetic attraction, and can be completely detached from the doorframe, but the bottom of the existing suspended magnetic door is suspended, so that the problems of loose structure and overlarge door gap exist.

The door body of the hinge type magnetic door is connected with the door frame through a hinge and fixed at the closing position through magnetic attraction, but the hinge type magnetic door cannot be completely detached from the door frame, and the assembly structure is relatively complex.

Disclosure of Invention

The invention aims to provide a magnetic door structure which is simple in structure and can be detached from a door frame, and a door body is tightly connected with the door frame when the door is closed, so that a gap is small.

Another objective of the present invention is to provide a chassis with the above magnetic door structure, which has the advantages of detachable side plates and stable structure.

The invention is realized by the following steps:

a magnetic door structure comprises a door frame upper beam, a door frame lower beam, a supporting plate, a magnetic part and a door body, wherein the supporting plate is connected with the door frame lower beam; when the door body is closed, the bottom of the door body is connected with the supporting plate protruding out of the lower beam of the door frame, and the matching part of the door body is connected with the magnetic suction part in an adsorption manner.

According to the magnetic door structure, the supporting plate is arranged at the lower beam of the door frame, when the door body is closed, the bottom of the door body is supported on the supporting plate, so that the stability is stronger, the door body can be more tightly attached to the door frame under the action of the supporting plate and the magnetic part, and the door gap is smaller.

In a preferred embodiment of the present invention, the upper surface of the support plate is provided with a pin hole, the bottom of the door body is provided with a pin, and when the door body is closed, the pin is inserted into the pin hole.

In a preferred embodiment of the present invention, at least a portion of the magnetic attraction part protrudes out of the upper beam of the doorframe toward the outer side of the magnetic attraction door; the door body comprises a front door plate and a rear door plate, the front door plate is made of ferromagnetic metal, the front door plate forms the matching part, an opening is formed in the rear door plate, when the door body is closed, the rear door plate abuts against the upper beam of the door frame, and at least one part of the magnetic suction part penetrates through the opening to be connected with the front door plate in an adsorption mode.

The utility model provides a case, includes skeleton, roof, bottom plate and a plurality of curb plate, and the roof sets up at the top of skeleton, and the bottom plate setting is in the bottom of skeleton, and a plurality of curb plates set up the lateral part at the skeleton, and roof, bottom plate and a plurality of curb plate enclose into the box of case, and at least one curb plate passes through foretell magnetism and inhales a door structure and is connected with the skeleton.

The side plate of the case is connected with the framework through the magnetic door structure, so that the side plate can be completely detached from the framework, when the side plate is installed on the framework, the magnetic door structure can also ensure the stability of the installation of the side plate, and a gap between the side plate and the framework is small.

In a preferred embodiment of the invention, each side plate is connected with the framework through a magnetic door structure; the framework comprises a plurality of upright posts and a plurality of lower beams, and the lower ends of the upright posts are connected with the two lower beams to form a bottom corner of the box body; the case also comprises a plurality of supporting plates, the supporting plates are connected with the bottom of the framework, each bottom corner is provided with one supporting plate, and two side edges of each supporting plate, which face the outer side of the case, respectively protrude out of the two lower beams at the bottom corners; when the side plates are sucked on the framework, the bottoms of the side plates are connected with the supporting plate protruding out of the lower beam.

In a preferred embodiment of the present invention, the supporting plate is provided with a plurality of pin holes, wherein two pin holes are formed at two opposite edges of the supporting plate, another pin hole is formed at an edge adjacent to the two opposite edges, and two side edges of the supporting plate respectively protruding out of the two lower beams are both provided with pin holes; the bottom of the side plate is provided with a bolt, and when the side plate is sucked on the framework, the bolt is inserted into the bolt hole.

In a preferred embodiment of the present invention, the supporting plate includes a main body and a boss, the boss is located on an upper surface of the main body, an edge of the supporting plate, at which the pin hole is formed, is located inside an edge of the main body, a part of the pin hole is formed in the boss, and another part of the pin hole is formed in an edge of the main body protruding from the boss.

In a preferred embodiment of the present invention, the main body includes a first plate and a second plate connected to each other, the first plate has a thickness greater than that of the second plate, and an upper surface of the first plate is flush with an upper surface of the second plate; a first edge of the first plate body, which is far away from the second plate body, is provided with a bolt hole, and two edges of the second plate body, which are vertical to the first edge, are both provided with bolt holes; the chassis further comprises a plurality of ground feet and a plurality of ground wheels, the ground feet are mounted on the lower surface of the first plate body, and the ground wheels are mounted on the lower surface of the second plate body.

In a preferred embodiment of the invention, the framework further comprises a plurality of upper beams, the upper ends of the upright posts are connected with the two upper beams to form a vertex angle of the box body, each upper beam is provided with at least one magnetic suction part, and when the side plate is sucked on the framework, the upper part of the side plate is connected with the magnetic suction parts in a suction manner; the edge of the top plate protrudes out of the upper beam, and the distance that the edge of the top plate protrudes out of the upper beam is larger than or equal to the thickness of the side plate.

In a preferred embodiment of the present invention, two opposite sidewalls of the top plate are symmetrically provided with a plurality of threaded holes, and the chassis further includes a plurality of plugs, wherein the plurality of plugs are disposed in the plurality of threaded holes in a one-to-one correspondence.

The invention has the following beneficial effects: the magnetic door has simple structure and can be detached from the door frame, and the door body is tightly connected with the door frame when the door is closed, so that the gap is smaller. The chassis adopts the magnetic door structure, and has the advantages of detachable side plates and stable structure.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a front left side view of an embodiment of a chassis of the present invention;

FIG. 2 is a front right side view of an embodiment of a chassis of the present invention;

FIG. 3 is a left rear side view of an embodiment of the enclosure of the present invention;

FIG. 4 is a bottom view of an embodiment of the enclosure of the present invention;

FIG. 5 is a schematic diagram of a skeleton structure of an embodiment of a chassis of the present invention;

FIG. 6 is a schematic view of a left side panel of an embodiment of a chassis of the present invention;

FIG. 7 is a cross-sectional view of the bottom of the left side panel of the enclosure of the present invention;

FIG. 8 is a cross-sectional view of the top of the left side panel of the enclosure of the present invention;

FIG. 9 is a left side view of an embodiment of the enclosure of the present invention with the left side panel removed;

FIG. 10 is a top view of a pallet according to an embodiment of the enclosure of the present invention;

fig. 11 is a schematic bottom view of a pallet according to an embodiment of the enclosure of the present invention;

FIG. 12 is a side schematic view of a tray of an embodiment of a chassis of the present invention;

FIG. 13 is a diagram of a magnetic attraction portion of an embodiment of a chassis of the invention;

fig. 14 is a schematic view of an embodiment of a chassis of the present invention with various side panels removed.

In the figure:

11-upright post; 12-a lower beam; 13-upper beam; 20-a top plate; 21-plug; 22-L shaped plate; 30-a bottom plate; 41-front side plate; 42-rear side plate; 43-left side panel; 44-right side plate; 45-bolt; 46-a handle; 50-a supporting plate; 51-a first plate body; 52-a second plate body; 53-boss; 54-bolt hole; 55-mounting holes; 60-a magnetic part; 71-ground feet; 72-ground wheel.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

Fig. 7 and 8 show a specific embodiment of the magnetic door structure of the present invention, in which a support plate 50 is connected below a door frame lower beam, a front end of the support plate 50 protrudes out of the door frame lower beam, and a lower end of a door body abuts on the support plate 50.

Because the support plate 50 bears the weight of the door body, the door body is not suspended, so that the connection between the door body and the door frame is more stable, and the possibility of a gap between the door body and the door frame is reduced.

The support plate 50 is provided with a bolt hole 54, the lower end surface of the door body is provided with a bolt 45, and the bolt 45 is inserted into the bolt hole 54, so that the door body is fixed in the left and right directions in the drawing.

As shown in fig. 8, the magnetic attraction 60 is connected to the upper beam of the doorframe by the L-shaped plate 22, so that the magnetic attraction 60 is located at the front lower side of the upper beam of the doorframe, protruding from the upper beam of the doorframe.

The door body includes the cooperation portion that can be inhaled by magnetism portion 60, and when the door body was closed, the cooperation portion and the magnetism portion 60 of inhaling of door body were connected.

The door body comprises a front door plate and a rear door plate, the front door plate is made of ferromagnetic metal, such as iron, stainless steel or other alloy materials, namely the front door plate forms a matching part, and the magnetic part 60 can directly adsorb the front door plate; the back door panel is provided with an opening. The magnetic part 60 penetrates through the opening to be connected with the front door panel in an adsorption manner, so that the rear door panel of the door body can be attached to the upper beam of the door frame more tightly, and the possibility of gaps is effectively reduced.

The invention also provides a case, the case adopts the magnetic door structure as a connecting structure between the side plate and the framework, and fig. 1 to 14 show a specific embodiment of the case.

As shown in fig. 1 to 5, the case is a hexahedron, and includes a framework, a top plate 20, a bottom plate 30 and four side plates, the top plate 20 is disposed at the top of the framework, the bottom plate 30 is disposed at the bottom of the framework, the side plates are disposed at the side of the framework, the top plate 20, the bottom plate 30 and the side plates enclose a box body of the case, and the magnetic door structure is formed between the four side plates and the framework.

The four side plates are a front side plate 41, a rear side plate 42, a left side plate 43 and a right side plate 44 respectively, and the top plate 20, the bottom plate 30 and the four side plates each form one surface of the box body.

Wherein, the rear side plate 42, the left side plate 43 and the right side plate 44 are all provided with handles 46, and the front side plate 41 is the front door of the case, a LOGO is arranged, so that the surface is kept smooth and is not provided with handles.

Each side plate is made of a metal having ferromagnetism, such as iron, stainless steel, or other alloy material, so that the magnetic attraction portion 60 can be directly attached to the side plate.

The bottom of each curb plate all is provided with two bolts 45, and the bolt welding is on the lower extreme panel of curb plate.

Fig. 6 shows the structure of the left side plate 43, and the left side plate 43 is provided with a handle 46, and the handle 46 is provided on the outer side surface of the left side plate 43 on the center line of the left side plate 43.

Two bolts 45 are symmetrically arranged on the lower end panel of the left side plate 43, and the bolts 45 protrude downwards.

The left side plate 43 is further provided with a plurality of structural openings for giving way to each electrical component in the case.

Fig. 5 and 14 show the structure of the framework, which comprises four upright posts 11, four lower beams 12 and four upper beams 13, wherein the upper beams 13, the upright posts 11 and the lower beams 12 respectively form one edge of the box body.

The lower end of the upright post 11 is connected with two lower beams 12 to form a bottom corner of the box body; the upper ends of the upright posts 11 are connected with two upper beams 13 and form a top corner of the box body.

In this embodiment, a first reinforcing beam is arranged between two opposing lower beams 12, and two second reinforcing beams are arranged between two opposing upper beams 13, the first reinforcing beam being perpendicular to the second reinforcing beams.

The top plate 20 is connected to the upper surface of the upper beam 13, and the bottom plate 30 is connected to the upper surface of the lower beam 12.

The chassis further comprises four supporting plates 50, wherein one supporting plate 50 is arranged at each of four bottom corners, the supporting plates 50 are connected with the upright posts 11, and two side edges of the supporting plates 50 facing the outer side of the chassis respectively protrude out of the two lower beams 12 at the bottom corners.

As shown in FIG. 7, when the side panels are engaged with the frame, the bottom of the side panels are engaged with the support plate 50 that protrudes from the lower beam 12.

The supporting plate 50 is provided with a plurality of pin holes 54, wherein two pin holes 54 are formed at two opposite edges of the supporting plate 50, the other pin hole 54 is formed at an edge adjacent to the two opposite edges, and the two side edges of the supporting plate 50 protruding out of the two lower beams 12 are respectively provided with the pin holes 54; the bottom of the side plate is provided with a bolt 45, and when the side plate is sucked on the framework, the bolt 45 is inserted into the bolt hole 54.

As shown in fig. 10 to 12, the support plate 50 includes a main body and a boss 53, the boss 53 is located on an upper surface of the main body, an edge of the support plate 50 where the pin hole 54 is formed is located inside the edge of the main body, a part of the pin hole 54 is formed on the boss 53, and the other part is formed on an edge of the main body protruding from the boss 53.

The main body comprises a first plate body 51 and a second plate body 52 which are connected with each other, the thickness of the first plate body 51 is larger than that of the second plate body 52, and the upper surface of the first plate body 51 is flush with that of the second plate body 52; a first edge of the first board 51, which is far away from the second board 52, is provided with a pin hole 54, and two edges of the second board 52, which are perpendicular to the first edge, are provided with pin holes 54.

The bolt holes 54 are long holes, the width of the bolt holes 54 is matched with the diameter of the bolt 45, and the length of the bolt holes 54 is larger than the diameter of the bolt 45.

The first plate 51 is provided with a mounting hole 55, and the support plate 50 is connected to the upright post 11 through the mounting hole 55.

The second plate 52 is provided with a plurality of small holes for mounting the ground wheels 72.

As shown in fig. 12, the distance between the edge of the boss 53 and the edge of the main body is L1, and the height of the boss 53 protruding from the main body is H.

As shown in fig. 7, when the side panel is mounted to the frame, the bottom of the side panel abuts against the boss 53, so that there is a gap between the bottom of the side panel and the main body, the gap being H2, H2 being H.

When opening the curb plate, the skeleton is left earlier at the top of curb plate, and the curb plate uses the bottom to rotate as the axle, and the lower limb of curb plate can be dodged to the clearance between curb plate and the main part for opening that the curb plate can be smooth.

Therefore, the distance L1 between the edge of the boss 53 and the edge of the main body and the height H at which the boss 53 protrudes from the main body are required to be adjusted according to the thickness of the side plate and the position of the latch 45 in order to avoid the side plate.

As shown in FIG. 8, since the supporting plate 50 is provided with the bosses 53 to avoid the side plates, the gap H1 between the side plates and the top plate 20 can be further reduced, and in this embodiment, H1 is less than or equal to 1.5 mm.

The cabinet further includes a plurality of ground pins 71 and a plurality of ground wheels 72, the ground pins 71 being mounted on a lower surface of the first plate 51, and the ground wheels 72 being mounted on a lower surface of the second plate 52.

The anchor 71 is connected to the first plate 51 through the mounting hole 55, and the ground wheel 72 is connected to the second plate 52 through four small holes.

The length of the ground feet 71 can be extended and contracted, when the ground feet 71 are shortened, the ground wheels 72 land, and the chassis can be conveniently moved at the moment. When the chassis is moved into position, the feet 71 are extended so that the wheels 72 are lifted off the ground, thereby securing the chassis.

As shown in fig. 5, each upper beam 13 is provided with at least one magnetic part 60, and when the side plate is attracted to the framework, the upper part of the side plate is connected to the magnetic part 60 in an absorbing manner.

Fig. 13 shows the structure of the magnetic attraction 60, wherein the magnetic attraction 60 is connected to the L-shaped plate 22.

Fig. 8 shows a connection mechanism of the magnetic attraction portion 60 and the side plates, in which the L-shaped plate 22 is connected to the lower surface of the upper beam 13, the front end of the L-shaped plate 22 protrudes from the upper beam 13, and the magnetic attraction portion 60 is provided at the front end of the L-shaped plate 22.

As can be seen from fig. 8, the magnetic attraction portion 60 is directly attracted to the front panel surface of the side panel, so that the rear panel surface of the side panel is more closely attached to the upper beam 13, thereby reducing the gap between the side panel and the framework.

As shown in fig. 8, the top plate 20 protrudes from the upper beam 13, and fig. 9 shows that the top plate 20 protrudes from the upper beam 13 by a distance L, and the supporting plate 50 protrudes from the lower beam 12 by the same distance L, where L is greater than or equal to the thickness of the side plate.

As shown in fig. 1, 2 and 5, two opposite side walls of the top plate 20 are symmetrically provided with a plurality of threaded holes, the chassis further includes a plurality of plugs 21, and the plurality of plugs 21 are correspondingly disposed in the plurality of threaded holes one to one.

In the present embodiment, screw holes are provided on the side walls of the top plate 20 corresponding to the left and

right side plates

43 and 44, and two screw holes are provided on each side wall, and four screw holes are symmetrically provided.

When the case is in a working state, a plug 21 is arranged in each threaded hole to seal the threaded hole.

When the case is in the transportation process, the plug 21 is removed, and the lifting bolt is installed in the threaded hole, so that the case can be lifted, and the transportation is convenient.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A magnetic door structure is characterized by comprising a door frame upper beam, a door frame lower beam, a supporting plate (50), a magnetic part (60) and a door body, wherein the supporting plate (50) is connected with the door frame lower beam, one part of the supporting plate (50) protrudes out of the door frame lower beam towards the outer side of the magnetic door, the magnetic part (60) is connected with the door frame upper beam, and the door body comprises a matching part which can be adsorbed by the magnetic part (60); when the door body is closed, the bottom of the door body is connected with the supporting plate (50) protruding out of the lower beam of the door frame, and the matching part of the door body is connected with the magnetic suction part (60) in an adsorption mode.

2. The magnetic door structure according to claim 1, wherein a latch hole (54) is formed in the upper surface of the supporting plate (50), a latch (45) is arranged at the bottom of the door body, and the latch (45) is inserted into the latch hole (54) when the door body is closed.

3. The door structure of claim 1, wherein at least a portion of the magnetic attraction portion (60) protrudes from the door frame upper beam toward an outer side of the door; the door body comprises a front door plate and a rear door plate, the front door plate is made of ferromagnetic metal, the front door plate forms the matching part, an opening is formed in the rear door plate, when the door body is closed, the rear door plate is abutted against the upper beam of the door frame, and at least one part of the magnetic suction part (60) penetrates through the opening to be connected with the front door plate in a suction mode.

4. A chassis, comprising a framework, a top plate (20), a bottom plate (30) and a plurality of side plates, wherein the top plate (20) is disposed on the top of the framework, the bottom plate (30) is disposed on the bottom of the framework, the plurality of side plates are disposed on the side of the framework, the top plate (20), the bottom plate (30) and the plurality of side plates enclose a box body of the chassis, and at least one of the side plates is connected to the framework through a magnetic door structure according to any one of claims 1 to 3.

5. A cabinet according to claim 4, wherein each side panel is connected to the frame via the magnetic door structure; the framework comprises a plurality of upright posts (11) and a plurality of lower beams (12), the lower ends of the upright posts (11) are connected with the two lower beams (12) to form a bottom corner of the box body; the case further comprises a plurality of supporting plates (50), the supporting plates (50) are connected with the bottom of the framework, one supporting plate (50) is arranged at each bottom corner, and two side edges, facing the outer side of the case, of the supporting plates (50) respectively protrude out of the two lower beams (12) at the bottom corners; when the side plates are sucked on the framework, the bottoms of the side plates are connected with the supporting plate (50) protruding out of the lower beam (12).

6. The cabinet according to claim 5, wherein the supporting plate (50) is provided with a plurality of pin holes (54), two of the pin holes (54) are formed at two opposite edges of the supporting plate (50), the other pin hole (54) is formed at an edge adjacent to the two opposite edges, and the two side edges of the supporting plate (50) respectively protruding out of the two lower beams (12) are provided with the pin holes (54); the bottom of the side plate is provided with a bolt (45), and when the side plate is sucked on the framework, the bolt (45) is inserted into the bolt hole (54).

7. The chassis of claim 6, wherein the support plate (50) comprises a main body and a boss (53), the boss (53) is located on an upper surface of the main body, an edge of the support plate (50) where the pin hole (54) is formed is located inside the edge of the main body, a part of the pin hole (54) is formed on the boss (53), and the other part of the pin hole is formed on the edge of the main body protruding out of the boss (53).

8. The cabinet according to claim 7, wherein the main body comprises a first plate body (51) and a second plate body (52) which are connected with each other, the thickness of the first plate body (51) is larger than that of the second plate body (52), and the upper surface of the first plate body (51) is flush with that of the second plate body (52); the first edge of the first plate body (51) far away from the second plate body (52) is provided with the bolt hole (54), and two edges of the second plate body (52) perpendicular to the first edge are both provided with the bolt hole (54); the chassis further comprises a plurality of ground feet (71) and a plurality of ground wheels (72), wherein the ground feet (71) are installed on the lower surface of the first plate body (51), and the ground wheels (72) are installed on the lower surface of the second plate body (52).

9. The chassis according to any one of claims 5 to 8, wherein the framework further comprises a plurality of upper beams (13), the upper ends of the pillars (11) are connected to two of the upper beams (13) to form a vertex angle of the box body, each of the upper beams (13) is provided with at least one magnetic absorption part (60), and when the side plate is absorbed on the framework, the upper part of the side plate is connected to the magnetic absorption part (60) in an absorption manner; the edge of the top plate (20) protrudes out of the upper beam (13), and the distance that the edge of the top plate (20) protrudes out of the upper beam (13) is larger than or equal to the thickness of the side plate.

10. A cabinet according to claim 9, wherein a plurality of threaded holes are symmetrically formed in two opposite side walls of the top plate (20), the cabinet further comprises a plurality of plugs (21), and the plurality of plugs (21) are correspondingly disposed in the plurality of threaded holes.