CN214002357U - Foldable packing box with multiple insertion grids - Google Patents

Abstract

The utility model discloses a foldable packing box with multiple inserting grids, which comprises a first panel, a second panel, a third panel and a fourth panel, wherein the first panel, the second panel, the third panel and the fourth panel are sequentially provided with a cover plate, a side plate, a bottom plate and a baffle plate from top to bottom; the length of the bottom plate on the fourth panel is the sum of the length of the bottom plate of the second panel and the length of the partition. The bottom of packing box is pegged graft through the counterpoint of each bottom plate and baffle and has been formed a plurality of check of inserting, has only utilized the folding grafting mode of packing box autologous just to form the sufficient bottom of the case of intensity, and the bearing is effectual.

Description

Foldable packing box with multiple insertion grids

Technical Field

The utility model relates to the field of packaging technology, especially, relate to a fruit packaging box of check is inserted to collapsible more.

Background

The development of the economic society promotes the improvement of the living standard of people, and in recent years, the development of caller ID (caller ID) merchants is rapid, the online shopping gradually replaces the traditional physical shop shopping, and the popularization of the online shopping drives the corresponding upgrading of product packaging.

The original packaging box is formed by cutting a paperboard with crease lines, the paperboard needs to be packaged into a carton by using an adhesive tape when in use, and the carton sealed by the adhesive tape is not enough in bearing and is not resistant to extrusion and is easy to be extruded and deformed in the transportation process. In order to solve the problems, plug-in type cartons are gradually appeared in the market, the bottoms of the cartons are plugged into self-folding boxes through shape structures, glue sealing is replaced, and the extrusion-resistant response characteristic of the cartons is improved to some extent.

With the change of the demand of people, the type of the packaged products also increases the requirements for packaging the cartons, for example, the fruits which can not be collided and extruded in the transportation process are not only required to be collided with each other, but also the cartons need to be firm enough to bear the extrusion in the transportation process.

In order to satisfy this kind of demand, the inserted sheet has been appeared in inside the separating of carton and has been separated and the foam division board, and the internal strength of inserted sheet divided carton is not high, and the heavy fruit of quality is separated with the inserted sheet and can not be satisfied this kind of intensity requirement, and is separated then area great with the foam division board, practical inadequately.

Moreover, the packaging is not only for firmness but also for beauty, and the fruit gift box in the supermarket also requires exquisite packaging, so that the packaging is not a storage box in the traditional sense, and is also a commodity endowed with value, and the existing packaging box is difficult to meet the requirements of practicability, extrusion resistance and beauty.

Therefore, a new technical solution is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that exists among the prior art, the utility model provides a collapsible check packing box of inserting more, the technical scheme of adoption is:

the utility model provides a grid packing box is inserted to collapsible more, its includes first panel, second panel, third panel and fourth panel, and wherein, first panel, second panel, third panel and fourth panel have all set gradually apron, curb plate, bottom plate and baffle from top to bottom, between apron and the curb plate between curb plate and the bottom plate, and all link to each other through the crease line between bottom plate and the baffle.

Furthermore, the curb plates of first panel, second panel, third panel and fourth panel link to each other in proper order and enclose into that both ends have an open-ended barrel, first panel with the third panel sets up relatively, just the second panel with the fourth panel sets up relatively, the bottom plate of first panel and the bottom plate of third panel all bend towards the barrel inboard and form the first floor bottom of the case of packing box, the bottom plate of second panel with the bottom plate of fourth panel all bends towards the barrel inboard and form the second floor bottom of the case of packing box, the second floor bottom of the case covers on the first floor bottom of the case.

Furthermore, the partition board of the second panel and the partition board of the fourth panel are respectively and mutually inserted with the partition board of the first panel, and the partition board of the second panel and the partition board of the fourth panel are respectively and mutually inserted with the partition board of the third panel to form the insertion grids of the packing box.

Further, the length of the bottom plate on the fourth panel is the sum of the length of the bottom plate of the second panel and the length of the partition plate.

In a further aspect of the above technical solution, the first panel and the third panel are both provided with a strip-shaped groove, and the strip-shaped groove on the first panel vertically extends from the crease lines of the side plate and the bottom plate on the first panel to the partition plate on the first panel; the strip-shaped groove on the third panel vertically extends to the partition plate on the third panel from the crease lines of the side plate and the bottom plate on the third panel; the strip-shaped grooves in the first panel and the third panel are close to the second panel, and the central axes of the strip-shaped grooves in the first panel and the third panel are equal to the distance between the central axes of the second panel.

Furthermore, one or more clamping grooves are formed in the partition boards of the first panel, the second panel, the third panel and the fourth panel, the clamping grooves are formed in one side, far away from the bottom plate, of the partition board, and the clamping grooves are strip-shaped grooves formed by inwards recessing the edges of the partition boards; the shape and the size of the partition board on the second panel are the same as those of the partition board on the fourth panel, and the position and the size of the clamping groove on the partition board of the second panel are the same as those of the clamping groove on the partition board of the fourth panel.

Furthermore, the length of the strip-shaped groove on the first panel extending to the partition board of the first panel is consistent with the length of one clamping groove on the second panel, the length of the strip-shaped groove on the third panel extending to the partition board of the third panel is consistent with the length of one clamping groove on the second panel, the clamping groove on the partition board of the second panel is inserted into the strip-shaped groove on the first panel, and the clamping groove on the clapboard of the second panel is inserted into the strip-shaped groove on the third panel, the clamping groove on the clapboard of the fourth panel is inserted into the strip-shaped groove on the first panel, and the clamping groove on the clapboard of the fourth panel is inserted into the strip-shaped groove on the third panel, the second panel is attached to the clapboard of the fourth panel, the partition of the second panel is separated by the partition of the first panel and the partition of the third panel, the partition of the fourth panel is separated by the partition of the first panel and the partition of the third panel.

Furthermore, one or more ventilation grooves are formed in the partition boards of the first panel, the second panel, the third panel and the fourth panel, the ventilation grooves are formed in one side, far away from the bottom plate, of the partition board, and the ventilation grooves are grooves formed by inwards sinking from the edges of the partition boards.

Further, the cross-sectional shape of the ventilation groove comprises one or more of a combination of a semicircle, a triangle, a rectangle and a trapezoid.

Furthermore, the shape and size of the cover plate and the side plate on the first panel are the same as those of the cover plate and the side plate on the third panel, the side plate of the first panel is provided with air holes, the side plate of the third panel is provided with air holes, and the shape and size of the cover plate and the side plate of the second panel are the same as those of the cover plate and the side plate of the fourth panel.

Furthermore, the panel connector further comprises a partition plate, wherein a plug-in slot which is matched and plugged with the slot on the partition plate of the first panel and/or the third panel is arranged on the partition plate.

Compared with the prior art, the utility model discloses have one or more among following beneficial effect:

1. the bottom of packing box is pegged graft through the counterpoint of each bottom plate and baffle and has been formed a plurality of check of inserting, has only utilized the folding grafting mode of packing box autologous just to form the sufficient bottom of the case of intensity, and the bearing is effectual.

2. The bottom of packing box actually has two-layerly, compares its bearing capacity of traditional bottom of the case stronger, just a plurality of formation of inserting the check do not need the inserted sheet, the resistant extrusion ability in the box is stronger.

3. Packing box autologous has formed a plurality of check of inserting, and it can also cooperate and use the inserted sheet, utilizes the inserted sheet that intensity is high to fall into little check with original big check, can satisfy not loading in mixture of unidimensional article, make full use of the space.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a plan view of the package of the present invention in one embodiment;

FIG. 2 is a folded view of the expanded view of FIG. 1;

FIG. 3 is a folded state view obtained by further folding on the basis of FIG. 2;

FIG. 4 is a plan view of the package of the present invention in an embodiment in use with a divider panel;

FIG. 5 is a folded view of the flat expanded view of FIG. 4;

FIG. 6 is a schematic view of the partition board of FIG. 5 inserted into the packing box;

fig. 7 is a schematic view showing a state of use in which a partition plate is inserted into a packing box according to another embodiment of the present invention.

Wherein, 100-a first panel; 110-a first cover plate; 120-a first side panel; 130-a first backplane; 140-a first separator; 200-a second panel; 300-a third panel; 400-a fourth panel; 500-a strip groove; 600-a card slot; 700-a ventilation groove; 800-air holes; 900-partition plate.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The gist of the present invention will be further explained with reference to the accompanying drawings and examples.

Example (b):

referring to fig. 1-3, fig. 1 is a plan expanded view of the package of the present invention in one embodiment; FIG. 2 is a folded view of the expanded view of FIG. 1; fig. 3 is a folded state view obtained by further folding on the basis of fig. 2. To the problem that exists among the prior art, on the one hand, the utility model provides a grid packing box is inserted to collapsible more, it includes first panel 100, second panel 200, third panel 300 and fourth panel 400, wherein, first panel 100, second panel 200, third panel 300 and fourth panel 400 all have set gradually apron, curb plate, bottom plate and baffle from top to bottom, between apron and the curb plate between curb plate and the bottom plate, and all link to each other through the crease line between bottom plate and the baffle.

Referring to fig. 2, the side plates of the first panel 100, the second panel 200, the third panel 300 and the fourth panel 400 are sequentially connected to form a cylinder with openings at two ends, the first panel 100 and the third panel 300 are oppositely arranged, the second panel 200 and the fourth panel 400 are oppositely arranged, the bottom plate of the first panel 100 and the bottom plate of the third panel 300 are both bent towards the inner side of the cylinder to form a first layer of box bottom of the packing box, the bottom plate of the second panel 200 and the bottom plate of the fourth panel 400 are both bent towards the inner side of the cylinder to form a second layer of box bottom of the packing box, and the second layer of box bottom covers the first layer of box bottom.

Referring to fig. 3, the partition boards of the second panel 200 and the fourth panel 400 are respectively inserted into the partition boards of the first panel 100, and the partition boards of the second panel 200 and the fourth panel 400 are respectively inserted into the partition boards of the third panel 300 to form an insertion grid of the packing box.

With reference to fig. 1, the first panel 100 is sequentially provided with a first cover plate 110, a first side plate 120, a first bottom plate 130 and a first partition plate 140 from top to bottom, wherein the second panel 200, the third panel 300 and the fourth panel 400 are also sequentially provided with a cover plate, a side plate, a bottom plate and a partition plate from top to bottom, which are consistent with the position of the first panel, but are not numbered in the drawings for reducing the number and space of the drawings. The length of the bottom plate on the fourth panel 400 is the sum of the length of the bottom plate and the length of the partition plate of the second panel 200. Thus, the box bottom with double thickness is realized, and the bearing capacity of the box bottom is enhanced. And the length of the bottom plate on the fourth panel 400 is the sum of the length of the bottom plate of the second panel 200 and the length of the partition plate, so that the partition plates of the fourth panel 400 and the second panel 200 are attached to form a grid, and the box body is folded by itself to form a plurality of inserting grids.

In one embodiment, referring to fig. 1, a strip-shaped groove 500 is disposed on each of the first panel 100 and the third panel 300, and the strip-shaped groove on the first panel 100 vertically extends from the crease lines of the side panels and the bottom panel on the first panel 100 to the partition on the first panel 100; the strip-shaped groove on the third panel 300 vertically extends from the crease lines of the side panels and the bottom panel on the third panel 300 to the partition board on the third panel 300; the strip-shaped grooves on the first panel 100 and the third panel 300 are both close to the second panel 200, and the central axes of the strip-shaped grooves on the first panel 100 and the third panel 300 are both equal to the distance of the central axis of the second panel 200. This provides a plug-in space for the partition between the fourth panel 400 and the second panel 200, and is the basis for folding the case.

In one embodiment, referring to fig. 1, one or more clamping grooves 600 are disposed on the partition boards of the first panel 100, the second panel 200, the third panel 300, and the fourth panel 400, the clamping grooves 600 are disposed on the side of the partition boards away from the bottom board, and the clamping grooves 600 are strip-shaped grooves formed by inward recessing from the edges of the partition boards. These card slots 600 may form the docking points of the divider 900, which is the basis for forming multiple compartments and for cooperating with the divider 900 to form compartments of different sizes.

In one embodiment, referring to fig. 1, the shape and size of the spacer on the second panel 200 is the same as the shape and size of the spacer on the fourth panel 400. The second panel 200 and the fourth panel 400 provide a joint-connection separation point for the whole case body, and the size and the shape of the second panel 200 and the fourth panel 400 are the same, so that the joint-connection alignment of the third panel 300 and the first panel 100 can be ensured, and a case body block is formed.

In one embodiment, referring to fig. 1, the position and size of the notches on the partition walls of the second panel 200 are the same as the position and size of the notches on the partition walls of the fourth panel 400. This is also to ensure that the third panel 300 and the first panel 100 are inserted and aligned to form a mating relationship.

In one embodiment, referring to fig. 1-3, the length of the strip-shaped groove 500 on the first panel 100 extending to the partition of the first panel 100 is the same as the length of one card slot 600 on the second panel 200; the length of the strip-shaped groove 500 on the third panel 300 extending to the partition of the third panel 300 is the same as the length of one clamping groove 600 on the second panel 200. Draw-in groove plug-in on the baffle of second panel 200 the bar inslot on the first panel 100, just draw-in groove plug-in on the baffle of second panel 200 the bar inslot on the third panel 300, draw-in groove plug-in on the baffle of fourth panel 400 the bar inslot on the first panel 100, just draw-in groove plug-in on the baffle of fourth panel 400 the bar inslot on the third panel 300, the baffle of second panel 200 and fourth panel 400 is pasted mutually, the baffle of second panel 200 by baffle on the first panel 100 and the baffle on the third panel 300 are separated, the baffle of fourth panel 400 by baffle on the first panel 100 and the baffle on the third panel 300 are separated.

In one embodiment, referring to fig. 1, one or more air permeation grooves 700 are disposed on the partition board of each of the first panel 100, the second panel 200, the third panel 300 and the fourth panel 400, the air permeation grooves 700 are disposed on one side of the partition board away from the bottom board, and the air permeation grooves 700 are grooves formed by inward recessing from the edge of the partition board. After the whole packing box is covered, the side surfaces of the first panel 100 and the third panel 300 are provided with the air holes 800 through which air can circulate in the box, and the middle partition plates have suspicion of blocking air circulation, so that the air grooves 700 are formed in the partition plates to ensure that air can circulate in the box.

In an embodiment, the cross-sectional shape of the air-permeable groove 700 includes one or more of a semi-circular shape, a triangular shape, a rectangular shape, and a trapezoidal shape, and the shape of the air-permeable groove 700 may be any shape which mainly plays the same role of promoting air circulation, and thus may be any shape as long as it can satisfy the function.

In one embodiment, referring to fig. 1, the shape and size of the cover plate and the side plate of the first panel 100 are the same as those of the cover plate and the side plate of the third panel 300, the side plate of the first panel 100 is provided with vent holes, the side plate of the third panel 300 is provided with vent holes, and the shape and size of the cover plate and the side plate of the second panel 200 are the same as those of the cover plate and the side plate of the fourth panel 400. The side panels are the height of the entire case after folding, so the four panels should be identical, while the cover panels are actually for sealing the case, and may be of any shape.

In one embodiment, referring to fig. 4 to 7, the partition board 900 is further included, and the partition board 900 is provided with a receiving slot that is fittingly inserted into the receiving slot 600 on the partition board of the first panel 100 and/or the third panel 300. Packing box autologous has formed a plurality of check of inserting, and division board 900 is used in its cooperation, utilizes the inserted sheet that intensity is high to fall into little check with original big check, can satisfy not loading in mixture of unidimensional article, make full use of the space. Comparing fig. 6 and 7, it can be seen that different numbers of insert compartments can be added by using different partition plates.

On the other hand, the utility model also provides a collapsible use method who inserts check packing box more, it includes:

the side plates of the first panel 100, the second panel 200, the third panel 300 and the fourth panel 400 of the packing box are connected in sequence to form a cylinder body, as shown in figure 2,

the bottom plate of the first panel 100 is bent toward the inside of the can body along the crease lines of the side plates and the bottom plate of the first panel 100, so that the bottom plate of the first panel 100 is perpendicular to the side plates of the first panel 100, and the partition plates of the first panel 100 are parallel to the side plates of the first panel 100,

the bottom plate of the third panel 300 is bent toward the inside of the cylinder along the crease line between the side plate and the bottom plate of the third panel 300, so that the bottom plate of the third panel 300 is perpendicular to the side plate of the third panel 300, and the partition plate of the third panel 300 is parallel to the side plate of the third panel 300,

one side of the partition board of the first panel 100 and the third panel 300, which is provided with the clamping groove 600, faces the cover plate on the first panel 100;

the bottom plate of the second panel 200 is bent toward the inside of the cylinder along the crease lines of the side plates and the bottom plate of the second panel 200, so that the bottom plate of the second panel 200 is perpendicular to the side plates of the second panel 200, and the partition plate of the second panel 200 is parallel to the side plates of the second panel 200, wherein the partition plate of the second panel 200 is inserted into the strip-shaped groove 500 on the partition plate of the first panel 100 and the third panel 300,

the bottom plate of the fourth panel 400 is bent toward the inside of the cylinder along the crease lines of the side plate and the bottom plate of the fourth panel 400, so that the bottom plate of the fourth panel 400 is perpendicular to the side plate of the fourth panel 400, and the partition plate of the fourth panel 400 is parallel to the side plate of the fourth panel 400, wherein the partition plate of the fourth panel 400 is inserted into the strip-shaped groove 500 on the partition plate of the first panel 100 and the third panel 300,

the clamping grooves 600 on the partition boards of the second panel 200 and the fourth panel 400 are inserted into the strip-shaped grooves 500 on the first panel 100 and the third panel 300, the partition boards of the second panel 200 and the fourth panel 400 are attached to each other, and the partition boards of the second panel 200 and the fourth panel 400 are separated by the partition boards on the first panel 100 and the third panel 300, as shown in fig. 3.

A collapsible many application method who inserts check packing box, it still includes: a partition board 900 is inserted into the slot 600 on the partition board of the first panel 100 and/or the third panel 300 to increase the number of the packing boxes inserted into the slot as shown in fig. 6 and 7.

The bottom of packing box is pegged graft through the counterpoint of each bottom plate and baffle and has been formed a plurality of check of inserting, has only utilized the folding grafting mode of packing box autologous just to form the sufficient bottom of the case of intensity, and the bearing is effectual. The bottom of packing box actually has two-layerly, compares its bearing capacity of traditional bottom of the case stronger, just a plurality of formation of inserting the check can not rely on the inserted sheet, only cooperate consumer's use custom, whether need the inserted sheet to increase to insert check quantity and depend on user's demand, so just improved the resistant extrusion ability of box, improve space utilization.

To sum up, the packing box autologous has formed a plurality of check of inserting, and it can also cooperate and use the inserted sheet, utilizes the inserted sheet that intensity is high to divide into little check with original big check, can satisfy not loading in mixture of unidimensional article, make full use of the space, and it is simple to encapsulate application method.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.

While embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications and changes may be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (8)

1. A foldable packing box with multiple inserting grids is characterized in that,

which comprises a first panel (100), a second panel (200), a third panel (300) and a fourth panel (400), wherein the first panel (100), the second panel (200), the third panel (300) and the fourth panel (400) are sequentially provided with a cover plate, a side plate, a bottom plate and a clapboard from top to bottom, the cover plate is connected with the side plate, the side plate is connected with the bottom plate, and the bottom plate is connected with the clapboard through crease lines,

the side plates of the first panel (100), the second panel (200), the third panel (300) and the fourth panel (400) are sequentially connected to form a cylinder body with openings at two ends, the first panel (100) and the third panel (300) are oppositely arranged, the second panel (200) and the fourth panel (400) are oppositely arranged, the bottom plate of the first panel (100) and the bottom plate of the third panel (300) are both bent towards the inner side of the cylinder body to form a first layer box bottom of the packing box, the bottom plate of the second panel (200) and the bottom plate of the fourth panel (400) are both bent towards the inner side of the cylinder body to form a second layer box bottom of the packing box, and the second layer box bottom covers the first layer box bottom,

the partition board of the second panel (200) and the partition board of the fourth panel (400) are respectively inserted with the partition board of the first panel (100), and the partition board of the second panel (200) and the partition board of the fourth panel (400) are respectively inserted with the partition board of the third panel (300) to form an insertion grid of the packing box;

the length of the floor on the fourth panel (400) is the sum of the floor length and the spacer length of the second panel (200).

2. The packaging case according to claim 1,

the first panel (100) and the third panel (300) are both provided with strip-shaped grooves,

the strip-shaped groove on the first panel (100) vertically extends from the crease lines of the side plates and the bottom plate on the first panel (100) to the partition plate on the first panel (100);

the strip-shaped groove on the third panel (300) vertically extends from the crease lines of the side plate and the bottom plate on the third panel (300) to the partition plate on the third panel (300);

the strip-shaped grooves in the first panel (100) and the third panel (300) are close to the second panel (200), and the central axes of the strip-shaped grooves in the first panel (100) and the third panel (300) are equal to the distance of the central axis of the second panel (200).

3. The packaging case according to claim 2,

one or more clamping grooves are formed in the partition boards of the first panel (100), the second panel (200), the third panel (300) and the fourth panel (400), the clamping grooves are formed in one side, far away from the bottom plate, of the partition board, and the clamping grooves are strip-shaped grooves formed by inwards recessing from the edge of the partition board;

the shape and size of the spacer on the second panel (200) are the same as those of the spacer on the fourth panel (400),

the position and the size of the clamping groove on the partition plate of the second panel (200) are the same as those of the clamping groove on the partition plate of the fourth panel (400).

4. The packaging case according to claim 3,

the length of the strip-shaped groove on the first panel (100) extending to the partition board of the first panel (100) is consistent with the length of one clamping groove on the second panel (200),

the length of the strip-shaped groove on the third panel (300) extending to the partition board of the third panel (300) is consistent with the length of one clamping groove on the second panel (200),

the clamping grooves on the partition board of the second panel (200) are inserted into the strip-shaped grooves on the first panel (100), the clamping grooves on the partition board of the second panel (200) are inserted into the strip-shaped grooves on the third panel (300),

the clamping grooves on the partition board of the fourth panel (400) are inserted into the strip-shaped grooves on the first panel (100), the clamping grooves on the partition board of the fourth panel (400) are inserted into the strip-shaped grooves on the third panel (300),

the second panel (200) and the partition board of the fourth panel (400) are attached,

the partitions of the second panel (200) are separated by partitions on the first panel (100) and partitions on the third panel (300), and the partitions of the fourth panel (400) are separated by partitions on the first panel (100) and partitions on the third panel (300).

5. The packaging case according to claim 1,

the partition plates of the first panel (100), the second panel (200), the third panel (300) and the fourth panel (400) are all provided with one or more air-permeable grooves, the air-permeable grooves are arranged on one side of the partition plate far away from the bottom plate, and the air-permeable grooves are grooves formed by inwards recessing the edges of the partition plate.

6. The packaging case according to claim 5,

the cross section of the ventilation groove comprises one or more of a combination of a semicircle, a triangle, a rectangle and a trapezoid.

7. The packaging case according to claim 1,

the shape and size of the cover and side panels on the first panel (100) are the same as those of the third panel (300),

the side plate of the first panel (100) is provided with air holes, the side plate of the third panel (300) is provided with air holes,

the shape and size of the cover and side panels of the second panel (200) are the same as those of the fourth panel (400).

8. The packaging case according to claim 4,

the novel panel connector is characterized by further comprising a partition plate (900), wherein a plug-in slot matched and plugged with the plug-in slot in the partition plate of the first panel (100) and/or the third panel (300) is formed in the partition plate (900).

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