TWM497637U - Package box - Google Patents

Description

Packing box

The present invention relates to a package, and more particularly to a package that can be flattened.

Generally, the paper packaging box usually cuts the cardboard into a shape that can be folded into a box, and the cut cardboard is stacked and transported to the place where the packaged article is folded, and then folded to form a box to accommodate By placing items, it is possible to reduce the volume occupied by the box compared to transporting the cardboard into a box, that is, increasing the amount of shipping of a single container to reduce shipping costs.

In order to form a cover that can be closed by the box, the existing paperboard is cut in a manner generally having a quadrangular body intended to form the four side walls of the box, and a plurality of small blocks protruding from the side edges of the body, the small blocks being formed. A cover for closing the body around the formed opening. Since the small blocks protrude from the side edges of the main body, they are easily damaged by collision during handling, and in particular, the joints of the small blocks and the main body are usually preset with fold lines and are easily torn by the fold lines. Moreover, the cardboards need to be packaged for convenient transportation after stacking, but because the small blocks protrude from the side edges of the main body, the entire side of the cardboard is not flat, that is, the outer contour is not quadrangular, and it is not easy to package the whole stack of cardboard.

Accordingly, it is an object of the present invention to provide a package that overcomes the above disadvantages.

Therefore, in some embodiments, the present invention comprises: an outer cardboard and a limiting unit. The outer cardboard has a quadrangular shape, and a plurality of parallel spaced fold lines are preset to bend the outer paperboard, and wherein the adjacent two fold lines define a joint area. The limiting unit is formed by a cardboard and is disposed in the bonding zone in combination with the outer cardboard and comprises two retaining walls spaced apart from each other, each retaining wall being located at a use position and a folding position and having 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. In the use position, the top wall is spaced apart from the bottom wall, and the first side wall The two side walls are perpendicular to the joint zone, and the four together form a hollow wall having 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. , the retaining wall is flatly stacked on the outer cardboard. When the retaining walls are in the use position, the second sidewalls of the two retaining walls are spaced apart and the first sidewall is on opposite sides, and the outer cardboard is bent along the fold line to surround the limiting unit.

In some embodiments, a first groove is respectively disposed 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 to be in the use position. Forming a bending corner of the hollow wall, and forming a folded diagonal position at the folding position, respectively, further providing a second groove, the second grooves being respectively parallel to the adjacent first groove The grooves are spaced apart, whereby the second grooves and their adjacent first grooves are bent at the folding position.

In some embodiments, the limiting unit further has a joint connecting the two retaining walls and combined with the outer cardboard, and the limiting unit is integrally formed from 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 an upper wall connected to the second side wall and superposed on the lower wall portion And a second recess is disposed adjacent to the bottom wall of the first sidewall, wherein another second recess is disposed adjacent to the top wall of the second sidewall, thereby being in the folded position The retaining walls are flattened toward each other.

In some embodiments, the second side wall of each retaining wall is provided with a perforation, and the perforations of the two retaining walls are respectively provided at both ends of a bottle to limit the bottle.

In some embodiments, the second sidewall of each retaining wall is further provided with an inner wall gap extending inwardly from the side edge, and the positions of the inner wall notches correspond to each other when the two retaining walls are in the use position, The outer cardboard has a body portion and two connecting portions respectively extending from opposite sides of the body portion, and the two ends of the connecting portions are retracted relative to the side edges of the body portion and respectively have two An outer panel notch corresponding to a position of the inner wall notch when the retaining wall is in the use position; wherein the outer cardboard is bent along the fold line and surrounds the retaining wall when the retaining wall is in the use position a side plate, the outer plate notches of the connecting portions are respectively engaged with the inner wall gaps of the retaining walls, and the connecting portions are in face-to-face contact with each other, and the body portion forms a surrounding wall, whereby the outer cardboard and the outer cardboard The limit units together form a closed box.

In some implementations, the first sidewall of each retaining wall has An outer side wall portion connected to the connecting portion and the top wall, and an inner side wall portion connected to the bottom wall and superposed on the outer side wall portion, wherein a second recess is disposed adjacent to the top wall The second sidewall is disposed at a position of the bottom wall adjacent to the first sidewall, whereby the retaining walls are flattened away from each other in the folded position.

In some embodiments, the limiting unit further has two connecting walls, and the connecting walls are respectively connected to opposite sides of the connecting portion and are also located at a use position when the supporting wall is in the use position. And the four walls surrounding the connection are formed together, and the retaining walls are also located at a folding position in the folded position to be stacked on the outer cardboard, and each set of the connecting walls has an outer connection with the connecting portion. a 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 and the outer plate portion and the inner portion A fold line is respectively disposed between the plate portions, and the outer plate portion and the top plate portion are leveled and overlapped on the inner plate portion and the joint portion when the folding position is used, and in the use position, the inner plate portion Opposite the outer plate portion and perpendicular to the connecting portion, and the top plate portion is spaced apart from the connecting portion, and the inner plate portions of the set of adjacent walls are adjacent to the sides of the retaining walls at the top of the corresponding retaining wall Each of the walls is provided with a connecting notch extending from the side edge, and the retaining walls are respectively provided with two straddle top walls and Two sidewalls and the like are to be set within the slot plate contact wall portion, so that the top wall of each such wall and such group then each wall portion of the inner panel opposing the card connector.

In some embodiments, the inner panel portions of the set of walls are respectively provided with an inner wall notch extending inwardly from the side edges, and the positions of the inner wall notches of the set of walls are corresponding to each other in the use position. And close to one of the retaining walls And above the top wall of the retaining wall, the outer cardboard has a body portion and two connecting portions respectively extending from opposite sides of the body portion, and the two ends of the connecting portions are opposite to the side edges of the body portion Retracting and having two outer plate notches respectively corresponding to the positions of the inner wall notches when the set of walls are in the use position; wherein the retaining walls and the connecting wall are located at the use position, The outer paperboard is bent along the fold line to surround the circumferential side of the group of connecting walls, and the outer plate notches of the connecting portions are respectively engaged with the inner wall gaps of the set of connecting walls, and the connecting portions face each other. And the body portion forms a surrounding wall, whereby the outer cardboard and the limiting unit together form a closed box.

In some embodiments, the distance between the adjacent first groove and the second groove is at least twice the thickness of the paperboard forming the retaining wall.

The utility model has the advantages that the limiting unit can be flatly stacked on the outer cardboard when being in the folding position and bonded to the joint area of the outer cardboard without protruding the edge of the outer cardboard, so that the flat state is not used when the state is not used. The overall outer contour of the package is a quadrangular shape of the outer contour of the outer cardboard, the circumference is a flat straight line, and there is no small block protruding from the periphery, so that it is not only easy to stack and stack a plurality of flattened packaging boxes, and can avoid If there is a risk that the protruding small block may be damaged by the collision. Moreover, the limiting unit can cooperate with the outer cardboard to form a closed box in the use position and can fix the contents, such as bottles and cans, to protect the contents from being damaged by collision.

1‧‧‧Outer cardboard

10‧‧‧First fold line

11‧‧‧ Body Department

111‧‧‧ Bonding area

12‧‧‧Connecting Department

121‧‧‧Outer board gap

2‧‧‧Limited unit

21‧‧‧Retaining wall

211‧‧‧ bottom wall

2111‧‧‧ lower wall

2112‧‧‧Upper wall

212‧‧‧ top wall

213‧‧‧First side wall

2131‧‧‧Outer side wall

2132‧‧‧Inside wall

214‧‧‧ second side wall

215‧‧‧ first groove

216‧‧‧second groove

217‧‧‧Perforation

218‧‧‧ First interior wall gap

219‧‧‧ slotting

22‧‧‧Connecting Department

23‧‧‧Group wall

230‧‧‧ second fold line

231‧‧‧External Board

232‧‧‧Inside Board

233‧‧‧ top board

234‧‧‧Contact gap

235‧‧‧ Second internal wall gap

91‧‧‧ bottles

92‧‧‧ cans

D‧‧‧ separation distance

T‧‧‧Cardboard thickness

Other features and effects of the novel will be referred to the drawings. The embodiment is clearly shown in the detailed description, wherein: FIG. 1 is a perspective exploded view showing the first embodiment of the present invention in a state in which the outer cardboard and the limiting unit are not combined; FIG. 2 is a schematic view showing the first FIG. 3 is a schematic view showing the retaining wall of the limiting unit of the first embodiment in use position; FIG. 4 is a schematic view showing the retaining wall of the first embodiment; FIG. 5 is a schematic view showing the folding relationship of the retaining wall of the first embodiment at the folding position; FIG. 6 is a schematic view showing the retaining wall of the first embodiment; FIG. 7 is a schematic view showing the relationship between the distance between the first and second grooves of the retaining wall of the first embodiment and the thickness of the cardboard; FIG. 8 is a schematic view illustrating FIG. 9 is a schematic view showing the folded state of the outer cardboard of the first embodiment and its assembly relationship with the limiting unit; FIG. 10 is a view of the relationship between the retaining wall of the first embodiment and the bottle; schematic diagram, The first embodiment forms a state of the box; FIG. 11 is a schematic view showing the second embodiment of the novel package in an unused state and the limiting unit is in the folding position; FIG. 12 is a schematic view showing the first The retaining wall of an embodiment is in the retracted position FIG. 13 is a schematic view showing the state between the use position and the folding position of the limiting unit of the second embodiment; FIG. 14 is a schematic view showing the limiting unit of the second embodiment The retaining wall is in the use position; FIG. 15 is a schematic view showing 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 view showing the outer cardboard of the second embodiment The folded state and its assembly relationship with the limit unit; Fig. 17 is a schematic view showing the state in which the second embodiment forms the case.

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

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

The outer cardboard 1 has a main body portion 11 and two connecting portions 12 respectively extending from opposite sides of the main body portion 11, and the two ends of the connecting portions 12 are retracted relative to the side edges of the main body portion 11. The outer contour is generally quadrangular, specifically close to a rectangle. And a plurality of parallel spaced first fold lines 10 are defined to bend the outer cardboard 1 , and the first fold lines 10 include two disposed at the intersection of the two connecting portions 12 and the body portion 11 and four The body portion 11 and the adjacent two first fold lines 10 of the body portion 11 define a bonding region 111.

The limiting unit 2 is disposed in the joint region 111 in combination with the outer paperboard 1 and includes two retaining walls 21 spaced apart from each other, and a joint portion 22 connecting the two retaining walls 21 and combined with the outer cardboard sheet 1. The limiting unit 2 is integrally formed by a single cardboard. Each retaining wall 21 can be located at a use position (see FIG. 3) and a folding position (see FIG. 5) and has a bottom wall 211, a top wall 212 and separate connections. a first sidewall 213 and a second sidewall 214 on the two sides of the bottom wall 211 and the top wall 212. In the use position, the top wall 212 is spaced apart from the bottom wall 211, and the first sidewall 213, the first sidewall The two side walls 214 are perpendicular to the joint area 111, and the four together form a hollow wall having a rectangular cross section. When the retaining walls 21 are in the use position, the second side walls 214 of the two retaining walls 21 are spaced apart from each other. One side wall 213 is on opposite sides; in the folded position, one of the diagonal positions of the hollow wall is folded and the other set of diagonal positions is flattened, so that the retaining wall 21 is flatly stacked on the outside On 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 to the connecting portion 22 and the first side wall 213 and combined with the outer cardboard 1 . The portion 2112 is connected to the second side wall 214 and is superposed on the lower wall portion 2111. As shown in FIG. 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 the top wall 212 is A first recess 215 is defined between the second side wall 214 and the second side wall 214 and the upper wall portion 2112 to form a corner of the hollow wall in the use position. When the cardboard is folded, it may be bent along the first concave groove 215 from the portion of the outermost portion that is formed to form the upper wall portion 2112, as shown in FIG. 3, and finally the outer edge of the upper wall portion 2112 is pressed against the first portion. One side wall 213 The hollow wall is formed by bonding the upper wall portion 2112 and the lower wall portion 2111 to the inner side.

Further, in the embodiment, the first sidewall 213 is further disposed at the bottom wall 211 with a second recess 216 spaced apart from the adjacent first recess 215. The second sidewall 214 is adjacent to the second sidewall 214. The second wall 212 is further disposed at the top wall 212 and is spaced apart from the adjacent first groove 215. Thereby, referring to FIG. 4 to FIG. 6, in the folding position, the retaining wall 21 is flattened toward the inner side toward each other, and a bend is formed at the second recess 216 and its adjacent first recess 215. Referring to FIG. 7, preferably, the separation distance D between the adjacent first groove 215 and the second groove 216 is at least twice the thickness T of the cardboard forming the retaining wall 21, in this embodiment, The spacing distance D is approximately twice the thickness T of the cardboard, whereby the retaining wall 21 can be completely flattened, that is, stacked more evenly. The first groove 215 and the second groove 216 can be formed by using a cardboard press or a groove. As shown in FIG. 6, the retaining wall 21 of the limiting unit 2 can be flatly stacked on the outer cardboard 1 in the folded position and bonded to the joint area 111 of the outer paperboard 1, and the whole flattened packaging box when not in use. The outer contour is the outer contour of the outer paperboard 1 and has a quadrangular shape. The circumference is a flat straight line, and there is no small block protruding from the periphery. Therefore, it is not only easy to stack a plurality of flattened packaging boxes, and can avoid any The risk of a small block being damaged by a collision. Furthermore, when stacking a plurality of flattened packaging boxes, one side of the limiting unit 2 may be stacked one on another and the limiting units 2 of the two may be displaced side by side, so that the overall thickness of the stack can be reduced. And the overall stacking state is relatively stable and not easy to dump.

Referring to Figures 1, 8, and 9, in this embodiment, each block The second side wall 214 of the wall 21 is provided with a through hole 217, and the through holes 217 of the two retaining walls 21 are respectively provided at both ends of a bottle 91 to limit the bottle 91. In addition, the second side wall 214 of each retaining wall 21 is further provided with a first inner wall notch 218 extending inwardly from the side edge, and the positions of the first inner wall notch 218 when the two retaining walls 21 are in the use position. Correspond to each other. And the connecting portions 12 of the outer cardboard 1 respectively have two outer plate notches 121 corresponding to the positions of the first inner wall notches 218 when the retaining walls 21 are in the use position. When the retaining wall 21 is in the use position, the outer cardboard 1 is bent along the first fold line 10 to surround the peripheral side of the retaining wall 21, and the outer plate notches 121 of the connecting portions 12 and the retaining walls are respectively The first inner wall notches 218 of 21 are mutually latched, and the connecting portions 12 are in face-to-face contact with each other. As shown in FIG. 10, the body portion 11 forms a surrounding wall, whereby the outer cardboard 1 and the limiting unit 2 are formed. Together form a closed box. Moreover, the surrounding wall formed by the body portion 11 can be completely joined without voids. Furthermore, the retaining walls 21 can be retracted more than the outer peripheral edge of the wall, that is, the retaining walls 21 are located at a distance from the side edge of the joint region 111 when the joint region 111 of the outer paperboard 1 is located, thereby being The buffer space is formed, and when the two ends of the package are impacted, the foreign object does not directly hit the retaining wall 21, so that the bottle 91 is not directly stressed, and the risk of damage of the bottle 91 can be reduced.

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

Referring to Figures 11 to 15, the second embodiment of the present package is substantially identical to the first embodiment, except that in the second embodiment, each retaining wall The first side wall 213 of the second side wall portion 213 has an outer side wall portion 2131 connected to the connecting portion 22 and the top wall 212, and an inner side wall portion 2132 connected to the bottom wall 211 and superposed on the outer side wall portion 2131. A second recess 216 is defined in the second sidewall 214 of the top wall 212. A second recess 216 is defined in the bottom wall 211 adjacent to the first sidewall 213, thereby being in the folded position. The retaining walls 21 are flattened away from each other. Specifically, in the embodiment, when the retaining wall 21 is in the folded position, the first sidewall 213 and the top wall 212 are stacked on the outer cardboard 1 and the second sidewall 214 and the bottom wall 211 are stacked on the first sidewall. 213 and the top wall 212; when the retaining wall 21 is switched from the folded position to the use position, the bottom wall 211 is inverted 180 degrees against the connecting portion 22 such that the first side wall 213 and the second side wall 214 are perpendicular to The bonding zone 111 of the outer cardboard 1.

Furthermore, the limiting unit 2 further has two connecting walls 23, which are respectively connected to opposite sides of the connecting portion 22 and cooperate with the retaining walls 21 in the use position. The positions together form a wall surrounding the connection, and the retaining wall 21 is also placed in a folded position in the folded position to be superposed on the outer paperboard 1. In detail, each set of the wall 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. A second fold line 230 is disposed 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. The outer plate portion 231 and the top plate portion 233 are leveled and stacked on the inner plate portion 232 and the connecting portion 22 in the folded position, and the inner plate portion 232 and the outer plate are in the use position. The portion 231 is spaced apart from and perpendicular to the joint portion The top plate portion 233 is spaced apart from the connecting portion 22, and the inner plate portions 232 of the plurality of connecting walls 23 are respectively disposed adjacent to the top walls 212 of the corresponding retaining walls 21 adjacent to the retaining walls 21 There is a set of notches 234 extending inwardly from the side edges. The retaining walls 21 are respectively provided with two slots extending across the top wall 212 and the second side wall 214 and corresponding to the inner plate portion 232 of the assembled wall 23, respectively. 219, so that the top wall 212 of the retaining wall 21 and the inner plate portion 232 of the set of walls 23 are respectively in a snap-fit connection. Thereby, the retaining walls 21 and the set of wall 23 together form an accommodating space for accommodating the can 92. For example, in this embodiment, two bottles of tea cans can be accommodated, and the can 92 can be surely positioned.

In addition, referring to FIG. 16 and FIG. 17, the inner plate portions 232 of the plurality of connecting walls 23 are respectively provided with a second inner wall notch 235 extending inwardly from the side edges, and the assembled wall 23 is in the use position. The positions of the second inner wall notches 235 correspond to each other and are adjacent to one of the retaining walls 21 and higher than the top wall 212 of the retaining wall 21. In the same manner as the first embodiment, when the retaining wall 21 and the connecting wall 23 are in the use position, the outer cardboard 1 is bent along the fold line to surround the peripheral side of the set of walls 23, and the connecting portions. The outer plate notches 121 of the 12 are respectively engaged with the second inner wall notches 235 of the set of walls 23, and the connecting portions 12 are in face-to-face contact with each other, and the body portion 11 forms a surrounding wall, thereby The cardboard 1 and the limiting unit 2 together form a closed box, and the surrounding wall can be completely joined without voids.

In summary, the limiting unit 2 can be flatly stacked on the outer paperboard 1 in the folded position and bonded to the joint region 111 of the outer paperboard 1 without protruding the edge of the outer cardboard 1 so that it is not in use. The overall outer contour of the flattened box is the outer contour of the outer cardboard 1 and is quadrangular. The edge is a flat straight line, and there is no small block protruding from the periphery. Thus, it is not only easy to bundle and stack a plurality of flattened packages, and the risk of tearing and breakage if the protruding small blocks may be collided can be avoided. Furthermore, the limiting unit 2 can cooperate with the outer cardboard 1 to form a closed box in the use position and can fix the contents, such as the bottle 91 and the can 92, to protect the contents from collision. damage.

However, the above description is only for the embodiments of the present invention, and the scope of the present invention cannot be limited thereto, that is, the simple equivalent changes and modifications made by the present patent application scope and the contents of the patent specification are still It is within the scope of this new patent.

1‧‧‧Outer cardboard

10‧‧‧First fold line

11‧‧‧ Body Department

111‧‧‧ Bonding area

12‧‧‧Connecting Department

121‧‧‧Outer board gap

2‧‧‧Limited unit

21‧‧‧Retaining wall

Claims (10)

A package comprising: an outer cardboard having a quadrangular shape, and a plurality of parallel spaced apart fold lines are preset to bend the outer paperboard, wherein adjacent two fold lines define a joint area; and a limit unit is provided by The paperboard is formed and combined with the outer paperboard in the joint zone and includes two retaining walls spaced apart from each other, each retaining wall being located at a use position and a folding position and having a bottom wall, a top wall and a respectively Connecting the bottom wall and a first side wall and a second side wall of the top wall. In the use position, the top wall is spaced apart from the bottom wall, and the first side wall, the second side wall and the joint area Vertically, 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 Flatly stacked on the outer cardboard; wherein when the retaining walls are in the use position, the second sidewalls of the two retaining walls are spaced apart and the first sidewall is on opposite sides, and the outer cardboard is bent along the fold line Around the limit unit. The package of claim 1, wherein a first groove is respectively disposed 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, Forming a bending corner of the hollow wall at the use position, and forming a folded diagonal position at the folding position, respectively, further providing a second groove, the second groove respectively adjacent to the first A groove is spaced apart in parallel, whereby the second groove and its adjacent first groove are bent at the folded position. The package of claim 2, wherein the limiting unit further has a connecting portion connecting the two retaining walls and combined with the outer cardboard, and the limiting unit is integrally formed from a single cardboard. The package of claim 3, wherein the bottom wall of each retaining wall has a lower wall portion connected to the connecting portion and the first side wall, and a second side wall connected to the second side wall and laminated to the lower wall An upper wall portion of the portion, wherein a second recess is disposed adjacent to the bottom wall of the first sidewall, and another second recess is disposed adjacent to the top wall of the second sidewall, thereby When the position is closed, the retaining walls are flattened toward each other. The package of claim 4, wherein the second side wall of each retaining wall is provided with a perforation, and the perforations of the two retaining walls are respectively provided at both ends of a bottle to limit the bottle. The package of claim 5, wherein the second side wall of each retaining wall is further provided with an inner wall gap extending inwardly from the side edge, and the position of the inner wall notch when the two retaining walls are in the use position Corresponding to each other, the outer cardboard has a body portion and two connecting portions respectively extending from opposite sides of the body portion, and both ends of the connecting portions are retracted relative to the side edges of the body portion and have two An outer panel notch corresponding to a position of the inner wall notch when the retaining wall is in the use position; wherein the outer wall is bent along the fold line when the retaining wall is in the use position On the circumferential side of the retaining wall, the outer plate notches of the connecting portions are respectively engaged with the inner wall gaps of the retaining walls, and the connecting portions face each other face to face, and the body portion forms a surrounding wall, thereby The outer cardboard and the limiting unit together form a closed box. The package of claim 3, wherein the first side wall of each retaining wall has an outer side wall portion connected to the connecting portion and the top wall, and a bottom wall connected to the bottom wall and superposed on the outer side wall portion An inner side wall portion, wherein a second concave groove is disposed at the top wall adjacent to the second side wall, wherein another second concave groove is disposed at the bottom wall adjacent to the first side wall, thereby receiving When the position is closed, the retaining walls are flattened away from each other. The packaging box of claim 7, wherein the limiting unit further has two assembly walls, the connecting walls are respectively connected to opposite sides of the connecting portion and the supporting walls are also in the use position. Located in a use position together to form a four wall surrounding the connection, and in conjunction with the retaining wall, the folding wall is also placed in a folding position to be superposed on the outer cardboard, each set of walls having a connection with the connecting wall An outer plate portion connected to the 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 and the outer plate A fold line is respectively disposed between the portion and the inner plate portion, and the outer plate portion and the top plate portion are leveled and overlapped on the inner plate portion and the joint portion in the folding position, and in the use position, The inner plate portion is spaced apart from the outer plate portion and perpendicular to the connecting portion, and the top plate portion is spaced apart from the connecting portion, and the inner plate portions of the set of adjacent walls are adjacent to opposite sides of the retaining walls. The top wall of the retaining wall is respectively provided with a connecting notch extending inwardly from the side edge, and the retaining walls are respectively provided with two horizontally The top wall and the second side wall are respectively corresponding to the slots of the inner plate portions of the set wall, so that the top walls of the retaining walls are respectively coupled to the inner plate portions of the set of connecting walls. The package of claim 8, wherein the inner panel of the set of walls is further Each of the inner wall gaps extending inwardly from the side edges is disposed, and in the use position, the positions of the inner wall notches of the plurality of adjacent walls correspond to each other and are adjacent to one of the retaining walls and higher than the top wall of the retaining wall. The outer cardboard has a body portion and two connecting portions respectively extending from opposite sides of the body portion, and the two ends of the connecting portions are retracted relative to the side edges of the body portion and respectively have two The outer panel notch corresponding to the position of the inner wall notch when the wall is in the use position; wherein the outer wall and the assembly wall are located at the use position, the outer cardboard is bent along the fold line and surrounds The outer peripheral plate notches of the connecting portions are respectively engaged with the inner wall notches of the connecting walls, and the connecting portions are in face-to-face contact with each other, and the main body portion forms a surrounding wall. Thereby, the outer cardboard and the limiting unit together form a closed box. The package of claim 2, wherein the distance between the adjacent first groove and the second groove is at least twice the thickness of the paperboard forming the retaining wall.