CN105775303A - Packing box (Chinese character' jiangsu - Google Patents

Abstract

A packaging box includes: an outer cardboard and a limiting unit. The outer cardboard is quadrangular. The limiting unit is located at the joint area of the outer cardboard and includes two retaining walls spaced apart from each other. Each retaining wall can be located in a use position and a folded position and has a bottom wall, a top wall and two bottom walls respectively connected to each other. and side walls on either side of the top wall. In the use position, the top wall and the bottom wall are spaced apart from each other and the side wall is perpendicular to the joint area. The four together form a hollow wall with a rectangular cross-section. In the folded position, one set of diagonal positions of the hollow wall is folded and the other set of diagonal positions is flattened, so that the retaining wall is stacked flatly on the outer cardboard. And when the retaining wall is in the use position, the outer cardboard is bent to surround the limiting unit. The limit unit will not protrude from the edge of the outer cardboard when in the folded position, so that the overall outer contour of the flattened packaging box is roughly quadrangular, with a flat straight line around the edge. It is not only easy to stack and bundle multiple flattened packaging boxes, but also It can avoid the risk of tearing and damage caused by collision.

Description

packing box

technical field

The invention relates to a packaging box, in particular to a packaging box that can be flattened.

Background technique

Generally, the packaging box made of paper is usually cut by the manufacturer of the packaging box to cut the cardboard into a shape that can be folded into a box. In this way, the volume occupied by the box can be reduced compared with the shipping of the cardboard box, that is, the delivery volume of a single container can be increased to reduce the delivery cost.

In order to form a coverable opening of the box, the existing cardboard cutting method usually has a quadrilateral main body predetermined to form the four side walls of the box, and a plurality of small blocks protruding from the side edges of the main body. A cover is predetermined to be formed to close the main body around the formed opening. Since the small block protrudes from the side edge of the main body, it is easy to be damaged by collision during transportation, especially the connection between the small block and the main body is usually preset with a fold line and is easily torn from the fold line. Furthermore, the cardboards need to be packaged after stacking to facilitate transportation, but because the small pieces protrude from the side edge of the main body, the sides of the whole cardboard are not smooth, that is to say, the outer contour is not quadrilateral, and it is not easy to pack the entire stack of cardboards.

Contents of the invention

Therefore, one object of the present invention is to provide a packaging box.

In some embodiments, the packaging box of the present invention includes: an outer cardboard and a limiting unit. The outer cardboard is quadrangular, and a plurality of parallel and spaced fold lines are preset to bend the outer cardboard, and two adjacent fold lines define a joint area. The limiting unit is formed of cardboard and is combined with the outer cardboard in the joint area and includes two spaced and opposite retaining walls, each retaining wall can be located in a use position and a retracted position and has a bottom wall, a top wall and a first side wall and a second side wall respectively connecting the bottom wall and the two sides of the top wall; 1. The second side wall is perpendicular to the joint area, and the four together form a hollow wall with a rectangular cross section. The position is flattened so that the retaining wall is flatly stacked on the outer cardboard. Wherein when the retaining wall is at the use position, the second side walls of the two retaining walls are opposite to each other and the first side walls are on opposite sides, and the outer cardboard is bent along the folding line to surround the limiting unit.

In some embodiments, a first groove is respectively provided between the top wall and the first side wall and the second side wall, and between the bottom wall and the first side wall and the second side wall, so as to The corners of the hollow wall formed in the use position, and the folded corners in the folded position are respectively provided with a second groove, and the second groove is respectively connected to the adjacent first groove. A concave groove is parallel and spaced apart, so that in the retracted position, the second concave groove and its adjacent first concave groove form a bend.

In some embodiments, the limiting unit also has a connecting portion connecting the two retaining walls and combined with the outer cardboard, and the limiting unit is integrally formed by a single cardboard.

In some embodiments, the bottom wall of each retaining wall has a lower wall portion connected to the connecting portion and the first side wall, and a lower wall portion connected to the second side wall and stacked on the lower wall portion. The upper wall portion, and one of the second grooves is arranged on the first side wall close to the bottom wall, and the other second groove is arranged on the second side wall close to the top wall, whereby the When in the folded position, the retaining walls are folded flat toward each other.

In some embodiments, a perforation is provided on the second side wall of each retaining wall, and the perforations of the two retaining walls are respectively used for passing two ends of a bottle to limit the bottle.

In some implementation aspects, the second side wall of each retaining wall is further provided with an inner wall notch extending inward from the side edge, and the positions of the inner wall notch corresponding to each other when the two retaining walls are in the use position, The outer cardboard has a body part and two connecting parts respectively extending from the opposite sides of the body part, and the two ends of the connecting part are retracted inwardly compared with the side edge of the body part and have two respectively When the retaining wall is in the position of use, the notch of the outer plate corresponds to the position of the notch of the inner wall; when the retaining wall is in the position of use, the outer cardboard is bent along the folding line to surround the retaining wall On the peripheral side, the notch of the outer plate of the connecting part is locked with the notch of the inner wall of the retaining wall respectively, and the connecting parts are connected face to face, and the main body part forms a surrounding wall, whereby the outer cardboard and the inner wall of the retaining wall The limiting units together form a closed box.

In some embodiments, the first side wall of each retaining wall has an outer side wall connected to the connecting portion and the top wall, and an inner side wall connected to the bottom wall and superimposed on the outer side wall. part, and one of the second grooves is arranged on the top wall near the second side wall, and the other second groove is arranged on the bottom wall near the first side wall, so that the folding When in the position, the retaining walls are folded flat in the direction away from each other.

In some implementation aspects, the limiting unit also has two assembling walls, the assembling walls are respectively connected to opposite sides of the connecting portion and are also located in a use position when the retaining wall is in the use position. And jointly form four walls around the connection, and when the retaining wall is in the retracted position, it is also located in a retracted position to be stacked on the outer cardboard, and each group of connected walls has an outer wall connected with the connecting portion. plate portion, an inner plate portion, and a top plate portion connected between the outer plate portion and the inner plate portion, and between the outer plate portion and the connecting portion, the top plate portion, the outer plate portion, and the inner plate portion A folding line is respectively provided between the board parts. In the retracted position, the outer board part and the top board part are flattened and overlapped on the inner board part and the connecting part. In the use position, the inner board part The outer plate portion is spaced opposite to and perpendicular to the connecting portion, and the top plate portion is spaced opposite to the connecting portion, and the inner plate portion of the assembled wall is adjacent to the two sides of the retaining wall at the top of the corresponding retaining wall The walls are respectively provided with a joint gap extending inward from the side edge, and the retaining wall is respectively provided with two slots spanning the top wall and the second side wall and respectively corresponding to the inner plate of the joint wall, In order to make the top wall of the retaining wall and the inner plate part of the assembly wall respectively clamped and connected with each other.

In some implementation aspects, the inner panels of the modular walls are respectively provided with an inner wall notch extending inward from the side edge, and the positions of the inner wall notches of the modular walls correspond to each other in the use position And close to one of the retaining walls and higher than the top wall of the retaining wall, the outer cardboard has a body part and two connecting parts extending from the opposite sides of the body part respectively, and the two ends of the connecting part are compared with The side edge of the main body part shrinks inward and has two outer plate notches respectively corresponding to the positions of the notches of the inner wall when the assembling wall is in the use position; wherein the retaining wall and the assembling wall When it is in the use position, the outer cardboard is bent along the folding line and surrounds the peripheral side of the assembling wall, the notches of the outer plate of the connecting part are locked with the notches of the inner wall of the assembling wall respectively, and the The connecting parts face each other, and the main body part forms a surrounding wall, so that the outer cardboard and the limiting unit together form a closed box.

In some implementation aspects, the distance between the adjacent first grooves and the second grooves is at least twice the thickness of the cardboard forming the retaining wall.

The beneficial effect of the present invention is that: when the limiting unit is in the folded position, it can be flatly stacked on the outer cardboard and bonded to the joint area of the outer cardboard without protruding from the edge of the outer cardboard, so that it can be flattened when not in use The overall outer contour of the packaging box is the outer contour of the outer cardboard, which is roughly quadrilateral, and the peripheral edge is flat and straight, without small pieces protruding from the peripheral edge. In this way, it is not only easy to stack and bundle multiple flat packaging boxes, but also can Avoid the risk of being torn and damaged if there are protruding small pieces that may be collided. Furthermore, the position limiting unit can cooperate with the outer cardboard to form a closed box and can limit and fix the contents, such as bottles and jars, so as to protect the contents from being damaged by collision.

Description of drawings

Other features and effects of the present invention will be clearly presented in the detailed description of the embodiments with reference to the drawings, wherein:

Fig. 1 is a three-dimensional exploded schematic diagram illustrating the first embodiment of the packaging box of the present invention in a state where the outer cardboard and the limiting unit are not combined;

Fig. 2 is a schematic diagram illustrating the expanded state of the limiting unit of the first embodiment before forming;

Fig. 3 is a schematic diagram illustrating that the retaining wall of the position-limiting unit of the first embodiment is in use position;

Fig. 4 is a schematic diagram illustrating the state of the retaining wall of the first embodiment between the use position and the retracted position;

Fig. 5 is a schematic diagram illustrating the folding relationship of the retaining wall of the first embodiment in the retracted position;

Fig. 6 is a schematic diagram illustrating the overall relationship between the retaining wall of the first embodiment and the outer cardboard in the folded position;

Fig. 7 is a schematic diagram illustrating the relationship between the distance between the first and second grooves and the thickness of the cardboard of the retaining wall of the first embodiment;

Fig. 8 is a schematic diagram illustrating the functional relationship between the retaining wall of the first embodiment and a bottle in the use position;

Fig. 9 is a schematic diagram illustrating the folded state of the outer cardboard of the first embodiment and its assembly relationship with the limiting unit;

Fig. 10 is a schematic diagram illustrating the state of forming a box of the first embodiment;

Fig. 11 is a schematic diagram illustrating that the second embodiment of the packaging box of the present invention is in an unused state and the limiting unit is in a retracted position;

Fig. 12 is a schematic diagram illustrating the folding relationship of the retaining wall of the first embodiment in the retracted position;

Fig. 13 is a schematic diagram illustrating the state of the position-limiting unit of the second embodiment between the use position and the retracted position;

Fig. 14 is a schematic diagram illustrating that the retaining wall of the limiting unit of the second embodiment is in use position;

Fig. 15 is a schematic diagram illustrating the combined relationship between the retaining wall and the assembled wall when the limiting unit of the second embodiment is in the use position;

Fig. 16 is a schematic diagram illustrating the folded state of the outer cardboard of the second embodiment and its assembly relationship with the limiting unit;

Fig. 17 is a schematic view illustrating the state in which the second embodiment is formed into a box.

detailed description

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same numerals.

Referring to FIG. 1 to FIG. 5 , the first embodiment of the packaging box of the present invention includes: an outer cardboard 1 and a limiting unit 2 .

The outer cardboard 1 has a body portion 11 and two connecting portions 12 respectively extending from opposite sides of the body portion 11, and the two ends of the connecting portion 12 are retracted inwardly compared with the side edge of the body portion 11, The outer contour is roughly quadrangular, specifically close to a rectangle. And a plurality of first fold lines 10 parallel and spaced apart are preset to bend the outer cardboard 1, and the first fold lines 10 include two at the intersection of the two connecting parts 12 and the body part 11 and four at the intersection of the two connecting parts 12 and the body part 11. The body portion 11 , and two adjacent first fold lines 10 in the body portion 11 define a bonding area 111 .

The limiting unit 2 is combined with the outer cardboard 1 in the joint area 111 and includes two retaining walls 21 spaced apart from each other, and a connecting portion 22 connecting the two retaining walls 21 and combined with the outer cardboard 1 . The limiting unit 2 is integrally formed by a single cardboard, and each retaining wall 21 can be positioned at a use position (see Figure 3) and a folded position (see Figure 5) and has a bottom wall 211, a top wall 212 and connecting A first side wall 213 and a second side wall 214 on both sides of the bottom wall 211 and the top wall 212, when in the use position, the top wall 212 is opposite to the bottom wall 211 at intervals, and the first side wall 213. The second side wall 214 is perpendicular to the joint area 111, and the four together form a hollow wall with a rectangular cross section. When the retaining wall 21 is located at the use position, the second side walls of the two retaining walls 21 214 are spaced opposite each other and the first side walls 213 are on opposite sides; when in the retracted position, one set of diagonal positions of the hollow wall body is folded and the other set of diagonal positions is flattened, so that the retaining wall 21 is flat Overlaid on the outer cardboard 1. In detail, the bottom wall 211 has a lower wall portion 2111 and an upper wall portion 2112, the lower wall portion 2111 is respectively connected with the connecting portion 22 and the first side wall 213 and combined with the outer cardboard 1, the upper The wall portion 2112 is connected to the second side wall 214 and overlapped with the lower wall portion 2111 . As shown in Figure 2, in the unfolded state of the cardboard, each retaining wall 21 is between the lower wall portion 2111 and the first side wall 213, between the first side wall 213 and the top wall 212, and between the top wall Between the second side wall 212 and the second side wall 214 and between the second side wall 214 and the upper wall 2112 are respectively provided a first groove 215 to form a bending corner of the hollow wall in the use position. When the cardboard is folded, it can be bent along the first groove 215 from the outermost portion where the upper wall portion 2112 is scheduled to be formed, as shown in FIG. The inner side of the side wall 213 and the upper wall portion 2112 and the lower wall portion 2111 are bonded to form a hollow wall.

Further, in this embodiment, the first side wall 213 is further provided with a second groove 216 parallel to and spaced apart from the adjacent first groove 215 near the bottom wall 211, and the second side wall 214 Near the top wall 212, there is another second groove 216 parallel to and spaced apart from the adjacent first groove 215, whereby, referring to Fig. 4 to Fig. 6, in the retracted position, the The retaining walls 21 are folded flat inwards towards each other, and bends are formed at the second concave groove 216 and the adjacent first concave groove 215 . Referring to FIG. 7, preferably, the distance D between adjacent first concave grooves 215 and second concave grooves 216 is at least twice the thickness T of the cardboard forming the retaining wall 21. In this embodiment, the The distance D is approximately twice the thickness T of the cardboard, whereby the retaining wall 21 can be completely folded flat, that is to say relatively flat. The first concave groove 215 and the second concave groove 216 can be formed by pressing or planing the cardboard. As shown in Figure 6, the retaining wall 21 of the limiting unit 2 can be flatly stacked on the outer cardboard 1 and bonded to the joint area 111 of the outer cardboard 1 when it is in the folded position. The outer contour is the outer contour of the outer cardboard 1, which is roughly quadrilateral, and the peripheral edge is flat and straight, and there are no small pieces protruding from the peripheral edge. In this way, it is not only easy to stack and bundle a plurality of flattened packaging boxes, but also to avoid any The risk of tearing and damage of small blocks due to impact. Furthermore, when stacking a plurality of flattened packaging boxes, they can be stacked in groups of two on one side provided with the limiting unit 2 and the limiting units 2 of the two are misplaced and arranged side by side, so that the overall thickness of the stack can be reduced. And make the overall stacking state more stable and not easy to dump.

Referring to Fig. 1, Fig. 8 and Fig. 9, in this embodiment, the second side wall 214 of each retaining wall 21 is provided with a perforation 217, and the perforation 217 of these two retaining walls 21 is respectively provided for the two ends of a bottle 91 to pass through. Set to limit this bottle 91. In addition, the second side wall 214 of each retaining wall 21 is also provided with a first inner wall notch 218 extending inwardly from the side edge, and when the two retaining walls 21 are in the use position, the first inner wall notch 218 The positions correspond to each other. And the connecting portion 12 of the outer cardboard 1 has two outer panel notches 121 respectively corresponding to the positions of the first inner wall notches 218 when the retaining wall 21 is in the use position. When the retaining wall 21 is in the use position, the outer cardboard 1 is bent along the first folding line 10 to surround the peripheral side of the retaining wall 21 , and the outer board notch 121 of the connecting portion 12 is connected with the retaining wall respectively. The notches 218 of the first inner wall of 21 are engaged with each other, and the connecting parts 12 are in contact with each other face to face. As shown in FIG. Together they form a closed box. Moreover, the surrounding wall formed by the body portion 11 can be completely joined without gaps. Furthermore, the retaining wall 21 can shrink inwardly from the outer peripheral edge of the surrounding wall, that is to say, when the retaining wall 21 is located in the joint area 111 of the outer cardboard 1, it is spaced from the side edge of the joint area 111 by a certain distance, thereby A buffer space can be formed, and when the two ends of the packaging box are hit, foreign objects will not directly hit the retaining wall 21, so that the bottle 91 will not be directly stressed, and the risk of damage to the bottle 91 can be reduced.

In this embodiment, the limiting unit 2 has a connecting portion 22 connecting the retaining wall 21 to facilitate the combination and positioning of the limiting unit 2 and the outer cardboard 1. However, if the limiting unit 2 omits the connecting portion 22 can also be implemented.

Referring to Fig. 11 to Fig. 15, the second embodiment of the packing box of the present invention is substantially the same as the first embodiment, but, in the second embodiment, the first side wall 213 of each retaining wall 21 has a connecting portion 22 and the outer wall portion 2131 connected to the top wall 212 and an inner wall portion 2132 connected to the bottom wall 211 and superimposed on the outer wall portion 2131, and the top wall 212 near the second side wall 214 A second concave groove 216 is provided, and a second concave groove 216 is formed near the first side wall 213 of the bottom wall 211 , so that when in the retracted position, the retaining walls 21 are folded flat in a direction away from each other. Specifically, in this embodiment, when the retaining wall 21 is in the folded position, the first side wall 213 and the top wall 212 are stacked on the outer cardboard 1, and the second side wall 214 and the bottom wall 211 are stacked on the second side wall. On the side wall 213 and the top wall 212; when the retaining wall 21 is converted from the retracted position to the use position, the bottom wall 211 turns over 180 degrees and leans against the connecting portion 22 so that the first side wall 213 and the second side wall The side wall 214 is perpendicular to the bonding area 111 of the outer cardboard 1 .

Furthermore, the limiting unit 2 also has two assembling walls 23, the assembling walls 23 are respectively connected to the opposite sides of the connecting portion 22 and are also located in a working position when the retaining wall 21 is in the use position. The positions together form four walls surrounding the connection, and cooperate with the retaining wall 21 to also be located in a retracted position to be stacked on the outer cardboard 1 when in the retracted position. Specifically, each set of connecting walls 23 has an outer plate portion 231 connected to the connecting portion 22, an inner plate portion 232, and a top plate portion 233 connected between the outer plate portion 231 and the inner plate portion 232. , and between the outer plate portion 231 and the connecting portion 22 , and between the top plate portion 233 and the outer plate portion 231 and the inner plate portion 232 are respectively provided with a second folding line 230 . When in the folded position, the outer plate portion 231 and the top plate portion 233 are flattened and overlapped on the inner plate portion 232 and the connecting portion 22, while in the use position, the inner plate portion 232 and the outer plate The part 231 is spaced opposite and perpendicular to the connecting part 22 and the top plate part 233 is spaced opposite to the connecting part 22, and the inner plate part 232 of the assembly wall 23 is adjacent to the two sides of the retaining wall 21 in the corresponding position of the retaining wall. The top wall 212 of the wall 21 is respectively provided with a joint gap 234 extending inwardly from the side edge, and the retaining wall 21 is respectively provided with two crossing top wall 212 and the second side wall 214 and respectively corresponding to the joints. The slot 219 of the inner plate portion 232 of the wall 23 is used to make the top wall 212 of the retaining wall 21 and the inner plate portion 232 of the assembly wall 23 respectively engage and connect with each other. In this way, the retaining wall 21 and the assembling wall 23 jointly form an accommodating space for accommodating the jar 92 , for example, this embodiment can accommodate two tea canisters, and the jar 92 can be positioned reliably.

In addition, referring to Fig. 16 and Fig. 17, the inner plate portion 232 of the assembling wall 23 is respectively provided with a second inner wall notch 235 extending inward from the side edge, and the assembling wall 23 The positions of the second inner wall notches 235 correspond to each other and are close to one of the retaining walls 21 and higher than the top wall 212 of the retaining wall 21 . Same as the first embodiment, when the retaining wall 21 and the assembling wall 23 are in the use position, the outer cardboard 1 is bent along the folding line and surrounds the peripheral side of the assembling wall 23, and the connecting portion The notch 121 of the outer plate of 12 and the second notch 235 of the inner wall of the assembly wall 23 are engaged with each other, and the connecting parts 12 are in contact with each other face to face, and the main body part 11 forms a surrounding wall, whereby the outer The cardboard 1 and the limiting unit 2 together form a closed box, and the surrounding walls can be completely joined without gaps.

In summary, when the limiting unit 2 is in the folded position, it can be flatly stacked on the outer cardboard 1 and bonded to the joint area 111 of the outer cardboard 1 without protruding from the edge of the outer cardboard 1, so that the unused state The overall outer contour of the flattened packaging box is the outer contour of the outer cardboard 1, which is roughly quadrilateral, and the peripheral edge is flat and straight, and there are no small pieces protruding from the peripheral edge. In this way, it is not only easy to stack and bundle multiple flattened packaging boxes installed, and can avoid the risk of being torn and damaged if there are protruding small pieces that may be collided. Furthermore, the limiting unit 2 can cooperate with the outer cardboard 1 to form a closed box and can fix the contents, such as bottles 91 and jars 92, in position to protect the contents from collision and damage. damage.

The above is only an embodiment of the present invention, and should not limit the scope of the present invention with this, that is, all simple equivalent changes and modifications made according to the claims of the present invention and the contents of the description are still within the scope of this invention. the scope of the invention.

Claims (10)

1. a packing box, it is characterised in that: this packing box comprises:

One outer cardboard, in tetragon, and preset a plurality of parallel spaced-apart every broken line with by this outer cardboard creasing, and wherein adjacent two broken lines define a land；And

One position-limiting unit, formed and be located in combination with this outer cardboard this land by cardboard and include two and be spaced relative barricade, each barricade can be located at a use position and a stowed position and has a diapire, one roof and connect a first side wall and one second sidewall of this diapire and these roof both sides respectively, when this use position, this roof and this diapire interval are relative, and this first side wall, second sidewall is perpendicular with this land, four hollow walls being collectively forming a rectangular in cross-section, when this stowed position, the one of which diagonal position of this hollow wall folds and another group diagonal position shakeouts, make this barricade in being flattened stacked and placed on this outer cardboard；

When wherein said barricade is positioned at this use position, the second sidewall spacers of this two barricade relatively and the first side wall at two opposite sides, this outer cardboard is along the bending of described broken line around this position-limiting unit.

2. packing box according to claim 1, it is characterized in that: between this roof and this first side wall, the second sidewall and between this diapire and this first side wall, the second sidewall, be respectively equipped with one first chase, to form the bending angle place of this hollow wall when this use position, and form folding diagonal position when this stowed position and further respectively have one second chase, described second chase is respectively with this adjacent first grooves parallel separately, whereby when this stowed position, described second chase and the first adjacent chase place thereof form bending.

3. packing box according to claim 2, it is characterised in that: this position-limiting unit also has this two barricade of a connection and the linking part being combined with this outer cardboard, and this position-limiting unit is integrally formed by single cardboard.

4. packing box according to claim 3, it is characterized in that: the diapire of each barricade has a lower wall portion being connected with this linking part and this first side wall and and is connected with this second sidewall and the stacked upper wall portions being incorporated into this lower wall portion, and wherein one second chase is located at this diapire place close of this first side wall, wherein another second chase is located at this roof place close of this second sidewall, whereby when this stowed position, described barricade is folded flat towards direction adjacent to each other.

5. packing box according to claim 4, it is characterised in that: the second sidewall of each barricade is provided with a perforation, and the perforation of this two barricade two ends for a bottle respectively wear with by spacing for this bottle.

6. packing box according to claim 5, it is characterized in that: the second sidewall of each barricade is additionally provided with an interior wall breach extended inside by lateral margin, and this two barricade when this use position, the position of described interior wall breach is in correspondence with each other, this outer cardboard has a body and two connecting portions extended respectively by this body two opposite sides, and contracts inside compared to the lateral margin of this body and be respectively provided with two outside plate breach corresponding with the position of described interior wall breach when described barricade is positioned at this use position respectively in the two ends of described connecting portion；When wherein said barricade is positioned at this use position, this outer cardboard is along the bending of described broken line around side of described barricade week, the outside plate breach of described connecting portion respectively with the mutual holding of interior wall breach of described barricade, and described connecting portion faces each other and connects, and this body forms a surrounding wall, this outer cardboard and this position-limiting unit are collectively forming the box of a closing whereby.

7. packing box according to claim 3, it is characterized in that: the first side wall of each barricade has an external side wall being connected with this linking part and this roof and and is connected with this diapire and the stacked medial wall portion being incorporated into this external side wall, and wherein one second chase is located at this second side-walls close of this roof, wherein another second chase is located at this first side wall place close of this diapire, whereby when this stowed position, described barricade is folded flat towards direction away from each other.

null8. packing box according to claim 7，It is characterized in that: this position-limiting unit also has two groups and connects wall，Described group connects wall and is connected to the two opposite sides of this linking part and coordinates described barricade also to be located at a use position when this use position and be collectively forming around four walls connected，And coordinate described barricade also to be located at a stowed position when this stowed position to be stacked and placed on this outer cardboard，Each group connects wall and has an outside plate portion being connected with this linking part、One inner panel portion and one is connected to the top plate portion between this outside plate portion and this inner panel portion，And between this outside plate portion and this linking part、It is respectively equipped with a broken line between this top plate portion and this outside plate portion and this inner panel portion，When this stowed position, this outside plate portion and this top plate portion shakeout and are stacked and placed on this inner panel portion and this linking part，And when this use position，This inner panel portion is relative with this interval, outside plate portion and this linking part vertical and this top plate portion and this linking part interval relative，And the both sides of the described group of adjacent described barricade in inner panel portion connecing wall are respectively equipped with a group extended inside by lateral margin at the roof place of corresponding described barricade and connect breach，Described barricade is respectively equipped with two flutings across roof and the second sidewall and the corresponding described group of inner panel portion connecing wall respectively，So that the mutual holding in inner panel portion that the roof of described barricade connects wall respectively with described group is connected.

9. packing box according to claim 8, it is characterized in that: the described group of inner panel portion connecing wall further respectively has an interior wall breach extended inside by lateral margin, and when this use position the position of the described group of interior wall breach connecing wall in correspondence with each other and near a wherein barricade and higher than the roof of this barricade, this outer cardboard has a body and two connecting portions extended respectively by this body two opposite sides, and the two ends of described connecting portion contract inside compared to the lateral margin of this body and are respectively provided with two and connect outside plate breach corresponding with the position of described interior wall breach when wall is positioned at this use position at described group respectively；Wherein said barricade and group connect wall when being positioned at this use position, this outer cardboard connects wall week side along the bending of described broken line around described group, the outside plate breach of described connecting portion connects the mutual holding of interior wall breach of wall respectively with described group, and described connecting portion faces each other and connects, and this body forms a surrounding wall, this outer cardboard and this position-limiting unit are collectively forming the box of a closing whereby.

10. packing box according to claim 2, it is characterised in that: the spacing distance between this adjacent first chase and this second chase is at least twice of the calliper forming this barricade.