CN220394865U - Multilayer folding box house - Google Patents

Abstract

The utility model provides a multi-layer folding box house, which belongs to the technical field of folding houses and comprises: the top plate and the bottom plate are oppositely arranged, and an accommodating space is arranged between the top plate and the bottom plate; at least one layer of partition board arranged in the accommodating space to divide the accommodating space into at least two subspaces in the vertical direction; the at least two layers of stretching mechanisms are respectively arranged between the top plate and the partition plate and between the bottom plate and the partition plate, and the stretching mechanisms are rotationally connected with the top plate, the partition plate and the bottom plate; when the top plate is lifted upwards, the stretching mechanism is unfolded to a first state that a subspace is formed between the top plate and the partition plate, and another subspace is formed between the bottom plate and the partition plate; when the top plate is scaled down, the stretching mechanism is folded to a second state that the top plate, the partition plate and the bottom plate are close to each other; according to the utility model, when the box is required to be installed, the top plate is lifted upwards, the stretching mechanism stretches, the top plate, the partition plate and the bottom plate are mutually far away, and finally a multilayer effect is formed, so that the multilayer structure installation of the box is realized.

Description

Multilayer folding box house

Technical Field

The utility model relates to the technical field of folding houses, in particular to a multi-layer folding box house.

Background

The box house is a house which is mainly based on a container and is transformed into a windowed and door house, and is common in dormitories of workers.

At present, the single-layer box room is stacked on the single-layer box room after the single-layer box room is installed in site by adopting the single-layer design, so that double-layer or multi-layer box room installation is realized.

In the case room that the installation is higher than two-layer, need pile up again after installing a plurality of individual layer case rooms, the installation process is comparatively complicated, and the time cost is higher.

Disclosure of Invention

Therefore, the utility model aims to overcome the defects that the boxes in the prior art can only realize multiple layers by stacking single-layer boxes, the efficiency is low and the working procedure is complex, and further provides the multi-layer folding box.

In order to solve the technical problems, the present utility model provides a multi-layer folding box house, comprising: the top plate and the bottom plate are oppositely arranged, and an accommodating space is arranged between the top plate and the bottom plate; at least one layer of baffle plate is arranged between the top plate and the bottom plate to form two accommodating spaces of the top plate and the baffle plate and the bottom plate, at least two layers of stretching mechanisms are respectively arranged between the top plate and the baffle plate and between the bottom plate and the baffle plate, and the stretching mechanisms are rotationally connected with the top plate, the baffle plate and the bottom plate; when the top plate is lifted upwards, the stretching mechanism is unfolded to a first state that a subspace is formed between the top plate and the partition plate, and another subspace is formed between the bottom plate and the partition plate; when the top panel is scaled down, the extension mechanism has a second state folded to a position where the top panel, the partition and the bottom panel are adjacent to each other.

Preferably, the four corners of the partition plate are provided with first connecting pieces, the top of each first connecting piece is hinged with one side of the upper layer stretching mechanism, and the bottom of each first connecting piece is hinged with the other side of the lower layer stretching mechanism; four corners department of roof and bottom plate all is provided with the second connecting piece, and the second connecting piece articulates with one side of extending mechanism, still includes: the first locking device is connected with the first connecting piece and the second connecting piece, the stretching mechanism is in free rotation in a first state, and the stretching mechanism is vertically locked with the first connecting piece and the second connecting piece in a second state.

Preferably, the first locking means comprises: fastening countersunk head bolts, a rotary joint lower plate, a rotary pin shaft and a rotary joint base plate, wherein the rotary joint lower plate is rotationally connected with the rotary joint base plate through a rotary shaft, and the fastening countersunk head bolts penetrate through the rotary joint lower plate and the rotary joint base plate to be fixed.

Preferably, the stretching mechanism is provided with a groove, when the stretching mechanism is in the second state, the first connecting piece and the second connecting piece respectively block one side of the corresponding groove to form a containing cavity, and a first sealing piece is arranged in the containing cavity.

Preferably, one side of the groove is provided as an opening, and the stretching mechanism is provided with a protrusion for blocking the opening, and the protrusion can limit the movement of the first sealing element.

Preferably, the stretching mechanism comprises: the bottom of the first turnover plate is rotationally connected with the bottom plate or the partition plate, the top of the first turnover plate is rotationally connected with the bottom of the second turnover plate, and the second turnover plate is rotationally connected with the partition plate or the top plate.

Preferably, the method further comprises: the first support column and second support column, first support column and first upset board fixed connection, second support column and second upset board fixed connection are provided with second locking means on first support column and the second support column, when being in the second state, and second locking means makes first support column and second support column be in vertical locking state.

Preferably, the second locking means comprises: the flange upper end plate, the flange lower end plate, the flange fastening bolts, the clamping plates for rotation and the fastening pin shafts are arranged at the bottom of the second overturning plate, and the flange lower end plate is arranged at the top of the first overturning plate; the two ends of the clamping plate for rotation are respectively connected with the flange upper end plate and the flange lower end plate in a rotating way through fastening pin shafts, and flange fastening bolts penetrate through the flange upper end plate and the flange lower end plate to be fixed.

Preferably, both ends of the bottom plate and the length direction of the partition plate are respectively hinged with a front wall plate and a rear wall plate, the four sides of the front wall plate and the rear wall plate are respectively provided with a second sealing piece, and the front wall plate and the rear wall plate are detachably connected with the bottom plate, the partition plate and the top plate.

Preferably, the front wall panel is provided with doors and windows.

The technical scheme of the utility model has the following advantages:

1. according to the multi-layer folding box room provided by the utility model, the accommodating space is formed between the oppositely arranged top plate and the bottom plate, the partition plates are arranged in the accommodating space and parallel to the top plate and the bottom plate, at least two layers of stretching mechanisms are used for respectively rotationally connecting the top plate with the partition plates and the partition plates with the bottom plate, when the multi-layer folding box room is required to be installed, the top plate is lifted upwards, the stretching mechanisms stretch to separate the top plate from the partition plates and the bottom plate, and finally, a multi-layer effect is formed, so that the multi-layer structure installation of the box room is realized.

2. After the stretching mechanism of the multi-layer folding box room provided by the utility model stretches, the sealing element can seal gaps among the stretching mechanism, the bottom plate, the partition plate and the top plate, so that the multi-layer folding box room has the effects of heat preservation and sound insulation.

3. According to the multi-layer folding box room provided by the utility model, the first support columns and the second support columns are arranged at four corners of the box room, the box room is subjected to bearing by the first support columns and the second support columns, and the structural strength of the whole box room is enhanced by locking the first support columns and the second support columns.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of a multi-layer folding box provided in one embodiment of the present utility model;

FIG. 2 is a perspective view of the multi-layer folding box of FIG. 1;

FIG. 3 is an exploded view of the multi-layered folding box of FIG. 2 in a folded condition;

FIG. 4 is an exploded view of the extension process of FIG. 1;

FIG. 5 is a cross-sectional view of the first connector of FIG. 1;

FIG. 6 is a front view of the multi-layer folding box of FIG. 1 in a fully extended position;

fig. 7 is an enlarged view of a portion a in fig. 6.

Fig. 8 is an enlarged view of a portion B in fig. 6.

Reference numerals illustrate:

1. a top plate; 2. a partition plate; 3. a bottom plate; 4. a first connector; 5. a second connector; 6. an accommodation space; 7. an extension mechanism; 8. a groove; 9. a first seal; 10. an opening; 11. a protrusion; 12. a first support column; 13. a second support column; 14. a front wall panel; 15. a door; 16. a window; 17. fastening countersunk bolts; 18. rotating the node lower plate; 19. a first flipping plate; 20. a second flipping plate; 21. rotating the pin shaft; 22. rotating the node backing plate; 23. a flange upper end plate; 24. a flange lower end plate; 25. a flange fastening bolt; 26. a rotating clamping plate; 27. and fastening the pin shaft.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

The multi-layer folding box house provided by the embodiment is used for accommodation of personnel.

As shown in fig. 1 and fig. 4, a specific implementation manner of the multi-layer folding box room provided in this embodiment includes: the top plate 1 and the bottom plate 3 are oppositely arranged, and the top plate 1 and the bottom plate 3 are arranged in parallel. The top plate 1 is located above the bottom plate 3, and a certain accommodating space 6 is formed between the top plate 1 and the bottom plate 3. Two layers of partition boards 2 are arranged between the top board 1 and the bottom board 3 in parallel with the top board 1, and meanwhile, the partition boards 2 and the top board 1, the partition boards 2 and the bottom board 3 are connected through an extension mechanism 7. The accommodating space 6 is the space between the partition board 2 and the top board 1, the partition board 2 and the partition board 2, and the partition board 2 and the bottom board 3, and the subspace is the two spaces divided by the accommodating space 6 through the stretching mechanism 7, and the space is the space for people living after the supporting is finished. The stretching mechanism 7 is rotatably connected with each plate, and the stretching mechanism 7 can be folded or stretched, so that the box house is folded or unfolded to form the box house for living. As shown in fig. 6, when the top plate 1 is lifted upward, the stretching mechanism 7 is unfolded to a first state in which an accommodating space 6 is formed between the top plate 1 and the partition plate 2, an accommodating space 6 is formed between the partition plate 2 and the partition plate 2, and another accommodating space 6 is formed between the bottom plate 3 and the partition plate 2, that is, a state after the installation is completed, and a multi-layered box structure is formed; in the second state, the top plate 1 is scaled downwards, the stretching mechanism 7 is folded, and meanwhile, the top plate 1, the partition plate 2 and the bottom plate 3 are close to each other, so that a structure with small occupied space is finally formed, and the movement of the box room is facilitated. When installing, only need use the instrument to upwards lift roof 1 can accomplish the installation of multilayer case room, convenient and fast connects upper and lower two-layer space simultaneously through baffle 2, reduce cost.

As shown in fig. 2 and 3, in one implementation manner of the multi-layer foldable box provided in this embodiment, the top plate 1 is connected to the partition plate 2 of the next layer through an extension mechanism 7, the top end of the extension mechanism 7 is rotatably connected to the top plate 1, and the bottom end of the extension mechanism 7 is rotatably connected to the partition plate 2. The first connecting piece 4 sets up in the four corners position of baffle 2, and first connecting piece 4 is steel product, and first connecting piece 4 is fixed back with baffle 2, can realize higher structural strength. When the accommodating space 6 is formed between the partition boards 2 and 2, the connection mode between the upper partition board 2 and the lower partition board 2 and the connection mode between the top board 1 and the partition board 2 of the next layer are the same when the upper partition board 2 and the lower partition board 2 are connected with the extension mechanism 7, and the description is omitted. Meanwhile, second connecting pieces 5 are arranged at four corners of the top plate 1 and the bottom plate 3, so that the stretching mechanism 7 is connected with the top plate 1 and the bottom plate 3 in a rotating way. After the connection, the upper and lower sections of the first connecting member 4 are respectively rotatably connected with the upper-layer stretching mechanism 7 and the lower-layer stretching mechanism 7. Only one end of the second connecting piece 5 is connected with an extension mechanism 7. The first locking device A is used for fixing and limiting the rotation of the stretching mechanism 7 and the first connecting piece 4 or the second connecting piece 5, the first locking device A is connected with the first connecting piece 4 and the second connecting piece 5, the stretching mechanism 7 is in free rotation in a first state, and the stretching mechanism 7 is vertically locked with the first connecting piece 4 and the second connecting piece 5 in a second state. In addition, as an alternative embodiment, the top plate 1 and the bottom plate 3 are directly connected with the stretching mechanism 7 in a rotating way.

As shown in fig. 5 and 8, for one implementation manner of the multi-layer foldable box room provided in this embodiment, the first locking device includes: the countersunk bolt 17, the rotary joint lower plate 18, the rotary pin shaft 21 and the rotary joint base plate 22 are fastened, the rotary joint lower plate 18 is rotationally connected with the rotary joint base plate 22 through a rotary shaft, and the countersunk bolt 17 penetrates through the rotary joint lower plate 18 and the rotary joint base plate 22 to be fixed. When the upper and lower parts of the first connecting piece 4 are respectively connected with the stretching mechanism 7, a rotating node base plate 22 is arranged on the upper end surface of the first connecting piece 4, a rotating node base plate 22 is arranged on the lower end surface of the stretching mechanism 7, the rotating node base plate 22 is rotationally connected with the rotating node lower plate 18 through a rotating pin shaft 21, and at the moment, the stretching mechanism 7 is rotationally connected with the first connecting piece 4, namely, the stretching mechanism 7 rotates around the first connecting piece 4 by taking the rotating pin shaft 21 as a circle center. Meanwhile, the lower end surface of the first connecting member 4, the rotational connection of the second connecting member 5 and the stretching mechanism 7 are similar to those described in detail herein. The rotary joint backing plate 22 and the rotary joint lower plate 18 are fixed by bolts with the first connecting piece 4 and the second connecting piece 5. In addition, as an alternative embodiment, the turning node pad 22 and the turning node lower plate 18 may be fixedly connected to the end surfaces of other parts, such as the turning node lower plate 18 being fixedly connected to the upper end surface of the first connecting member 4.

As shown in fig. 5, for one implementation of the multi-layer foldable box provided in this embodiment, both side ends of the stretching mechanism 7 are provided with grooves 8. The sealing member is elongated and is provided along the longitudinal direction of the top plate 1, the partition plate 2, and the bottom plate 3. When the stretching mechanism 7 is in a vertical state, at the moment, one sides of the corresponding grooves 8 are respectively blocked by the first connecting piece 4 and the second connecting piece 5 to form a containing cavity, a first sealing piece 9 is arranged in the containing cavity, the first sealing piece 9 is made of rubber, and a sound insulation and heat preservation effect is achieved on the joint. In addition, as an alternative embodiment, the grooves 8 are provided on the bottom plate 3, the top plate 1 or the partition plate 2.

As shown in fig. 5, in one implementation of the multi-layer foldable box provided in this embodiment, an opening 10 is provided on the side of the groove 8 facing the interior, and the stretching mechanism 7 has a protrusion 11 for blocking the opening 10, where the protrusion 11 has a rectangular structure extending vertically upwards. When the stretching mechanism 7 is rotated to the vertical state, the first sealing member 9 abuts against the end face of the protrusion 11, the protrusion 11 presses the first sealing member 9 to increase sealing while the protrusion 11 restricts the first sealing member 9 from falling out of the groove 8. In addition, as an alternative embodiment, a groove 8 is provided on the first connecting member 4 or the second connecting member 5, the first sealing member 9 is embedded in the groove 8, a protrusion 11 is provided on the stretching mechanism 7, and the stretching mechanism 7 is rotated to press the first sealing member 9 to form a seal.

As shown in fig. 1, for one implementation of the multi-layered foldable box provided in this embodiment, the stretching mechanism 7 includes: the first and second flipping plates 19 and 20, i.e., the two side walls after rotation of the first and second flipping plates 19 and 20. The bottom of the first turnover plate 19 is rotationally connected with the bottom plate 3 or the partition plate 2, the top of the first turnover plate 19 is rotationally connected with the bottom of the second turnover plate 20, and the second turnover plate 20 is rotationally connected with the partition plate 2 or the top plate 1. When folded, the first and second flipping panels 19 and 20 are folded toward the inside of the case, and when the first flipping panel 19 abuts against the second flipping panel 20, the folding is completed. In addition, as an alternative embodiment, the stretching mechanism 7 is provided as a plate, and the upper end of the stretching mechanism 7 is slidably connected to the top plate 1 or the partition plate 2, and the lower end is rotatably connected to the partition plate 2 or the bottom plate 3.

As shown in fig. 1 and 7, for one implementation of the multi-layer foldable box provided in this embodiment, the first support column 12 and the second support column 13 are matched with the stretching mechanism 7. The first support column 12 and the second support column 13 are respectively fixedly connected with the first turnover plate 19 and the second turnover plate 20, and the first support column 12 and the first turnover plate 19 support the integral structure, so that the structural strength of the box room is enhanced. Meanwhile, a second locking device B is arranged at a position where the first support column 12 and the second support column 13 are abutted against each other, and the first support column 12 and the second support column 13 in a vertical state are fixed. In addition, as an alternative embodiment, a set of second support columns 13 and first support columns 12 are added at intermediate positions in the longitudinal direction of the partition board 2 and the bottom board 3.

As shown in fig. 7, in an implementation manner of the multi-layer foldable box provided in this embodiment, after the first support column 12 and the second support column 13 rotate, the first support column 12 abuts against the end face of the second support column 13, and the second locking device B is used to penetrate through the first support column 12 and the second support column 13 on the end face to fixedly connect the two, so as to avoid the collapse of the box caused by rotation of the two. The second locking device B includes: the flange upper end plate 23, the flange lower end plate 24, the flange fastening bolts 25, the rotation clamp plates 26 and the fastening pins 27, the flange upper end plate 23 is provided at the bottom of the second flipping plate 20, and the flange lower end plate 24 is provided at the top of the first flipping plate 19. The rotation clamp plate 26 has a waist shape, and both ends of the rotation clamp plate 26 are respectively connected with the flange upper end plate 23 and the flange lower end plate 24 by fastening pins 27, and at this time, the first and second turnover plates 19 and 20 rotate with the rotation clamp plate 26 as a connection. The flange fastening bolts 25 pass through the flange upper end plate 23 and the flange lower end plate 24 to be fixed, and nuts are screwed to the lower ends of the flange fastening bolts 25 to be fixed. In addition, as an alternative embodiment, a connecting plate is provided at the place where the first support column 12 and the second support column 13 abut, and bolts respectively pass through the connecting plate to be connected with the first support column 12 and the second support column 13.

As shown in fig. 1, for an implementation manner of the multi-layer foldable box room provided in this embodiment, two ends of the bottom plate 3 and the partition plate 2 in the length direction are respectively hinged with a front wall plate 14 and a rear wall plate, four sides of the front wall plate 14 and the rear wall plate are respectively provided with a second sealing member, and when the front wall plate 14 or the rear wall plate is turned to be in a vertical state, gaps on four sides are plugged by the second sealing members. The second sealing piece is made of rubber material and has the functions of heat preservation and sound insulation. The bottoms of the front wall plate 14 and the rear wall plate are rotatably connected with the bottom plate 3 or the partition plate 2, and the front wall plate 14 and the rear wall plate are detachably connected with the bottom plate 3, the partition plate 2 and the top plate 1. When folded, the front and rear wall panels 14, 14 may optionally be removed, reducing the overall thickness of the fold. A door 15 and a window 16 are provided on the front wall panel 14. In addition, as an alternative embodiment, the front wall panel 14 and the rear wall panel are mounted directly into the housing after the stretching mechanism 7 is stretched, without a rotational connection to the partition 2, the floor 3.

The installation mode of the multi-layer foldable box house comprises the following steps: the four corners department of bottom plate 3 sets up second connecting piece 5, and the front end of bottom plate 3 sets up preceding wallboard 14, and the rear end of bottom plate 3 sets up the back wall body. The lower ends of the front wall plate 14 and the rear wall plate are both rotationally connected with the bottom plate 3, and are buckled inwards by 90 degrees when folded and rotated outwards by 90 degrees when installed. The base plate 3 is provided on both sides with extension means 7, namely a first flipping plate 19 and a second flipping plate 20. The first roll-over panel 19 is hinged to the second roll-over panel 20 to snap inwardly when folded. The first and second flipping panels 19 and 20 are fixedly connected to the first and second support columns 12 and 13, respectively. The first support column 12 and the second support column 13 are arranged at four corners of the bottom plate 3, the lower end of the first support column 12 is rotationally connected with the second connecting piece 5, and the upper end of the second support column 13 is rotationally connected with the lower end of the first connecting piece 4. Two layers of partition boards 2 and a layer of top board 1 are arranged on the bottom board 3. The four corners position of baffle 2 sets up first connecting piece 4, and the lower extreme of first connecting piece 4 rotates with the upper end of second support column 13 to be connected, and the upper end of first connecting piece 4 rotates with the lower extreme of first support column 12 to be connected, other connected modes are similar.

Working principle of multi-layer foldable box house: when in a folded state, the top plate 1 is only required to be lifted upwards, so that the rapid installation of the three-layer house can be realized. After installation, the entire installation of the whole can be completed by providing a stair on the side near the front wall panel 14.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.

Claims (10)

1. A multi-layer folding box house, comprising:

a top plate (1) and a bottom plate (3) which are oppositely arranged, wherein an accommodating space (6) is arranged between the top plate (1) and the bottom plate (3);

at least one layer of partition board (2) arranged in the accommodating space (6) to divide the accommodating space (6) into at least two subspaces in the vertical direction;

at least two layers of stretching mechanisms (7) are respectively arranged between the top plate (1) and the partition plate (2) and between the bottom plate (3) and the partition plate (2), and the stretching mechanisms (7) are rotationally connected with the top plate (1), the partition plate (2) and the bottom plate (3);

when the top plate (1) is lifted upwards, the stretching mechanism (7) is in a first state of being unfolded to form a subspace between the top plate (1) and the partition plate (2) and another subspace between the bottom plate (3) and the partition plate (2); when the top plate (1) is scaled down, the stretching mechanism (7) has a second state folded to the top plate (1), the partition plate (2) and the bottom plate (3) being close to each other.

2. The multi-layer folding box room according to claim 1, characterized in that first connecting pieces (4) are arranged at four corners of the partition board (2), the top of each first connecting piece (4) is hinged with one side of the upper layer of the stretching mechanism (7), and the bottom of each first connecting piece (4) is hinged with the other side of the lower layer of the stretching mechanism (7); the four corners of the top plate (1) and the bottom plate (3) are respectively provided with a second connecting piece (5), and the second connecting pieces (5) are hinged with one side of the stretching mechanism (7);

further comprises: the first locking device is connected with the first connecting piece (4) and the second connecting piece (5), in a first state, the stretching mechanism (7) is in free rotation, and in a second state, the stretching mechanism (7) is vertically locked with the first connecting piece (4) and the second connecting piece (5).

3. The multi-layer folding box of claim 2 wherein the first locking means comprises: fastening countersunk head bolt (17), rotation node hypoplastron (18), rotation round pin axle (21) and rotation node backing plate (22), rotation node hypoplastron (18) with rotation node backing plate (22) are through rotation round pin axle (21) rotation connection, fastening countersunk head bolt (17) pass rotation node hypoplastron (18) rotation node backing plate (22) are fixed.

4. The multi-layer folding box house according to claim 2, characterized in that the stretching mechanism (7) is provided with a groove (8), when the stretching mechanism (7) is in the second state, one side of the corresponding groove (8) is blocked by the first connecting piece (4) and the second connecting piece (5) respectively to form a containing cavity, and a first sealing piece (9) is arranged in the containing cavity.

5. A multi-layer folding box according to claim 4, characterized in that one side of the groove (8) is provided as an opening (10), the stretching mechanism (7) having a protrusion (11) closing the opening (10), the protrusion (11) being able to limit the movement of the first seal (9).

6. Multi-layer folding box according to any of claims 1-5, characterized in that the stretching mechanism (7) comprises: the novel structure comprises a first turnover plate (19) and a second turnover plate (20), wherein the bottom end of the first turnover plate (19) is rotationally connected with the bottom plate (3) or the partition plate (2), the top end of the first turnover plate (19) is rotationally connected with the bottom end of the second turnover plate (20), and the second turnover plate (20) is rotationally connected with the partition plate (2) or the top plate (1).

7. The multi-layer folding box of claim 6, further comprising: first support column (12) and second support column (13), first support column (12) with first roll-over board (19) fixed connection, second support column (13) with second roll-over board (20) fixed connection, first support column (12) with be provided with second locking means on second support column (13), when being in the second state, second locking means can make first support column (12) with second support column (13) lock vertical state.

8. The multi-layer folding box according to claim 7, characterized in that said second locking means (B) comprise: the flange upper end plate (23), the flange lower end plate (24), the flange fastening bolts (25), the rotating clamping plates (26) and the fastening pin shafts (27), wherein the flange upper end plate (23) is arranged at the bottom of the second overturning plate (20), and the flange lower end plate (24) is arranged at the top of the first overturning plate (19);

the two ends of the clamping plate (26) for rotation are respectively in rotary connection with the flange upper end plate (23) and the flange lower end plate (24) through fastening pins (27), and the flange fastening bolts (25) penetrate through the flange upper end plate (23) and the flange lower end plate (24) to be fixed.

9. The multi-layer folding box house according to any one of claims 1 to 5, wherein the two ends of the bottom plate (3) and the partition plate (2) in the length direction are respectively hinged with a front wall plate (14) and a rear wall plate, second sealing elements are arranged on four sides of the front wall plate (14) and the rear wall plate, and the front wall plate (14) and the rear wall plate are detachably connected with the bottom plate (3), the partition plate (2) and the top plate (1).

10. Multi-layer folding box according to claim 9, characterized in that the front wall panel (14) is provided with a door (15) and a window (16).