JP3216850U - Rear tilting self-supporting structure of container - Google Patents

Abstract

Provided is a rearward tilting self-supporting structure in which a container does not fall down even when an external force is applied, and is difficult to disassemble and makes the container self-supporting semipermanently. The container is provided with a rearward tilt holding plate crease portion 6 formed by a fold line on the back surface portion 3 of the bottom plate 2 of the container 1 and a polygonal cut at an upper portion of the rearward tilt holding plate crease portion. The first cut portion 4 formed, the rear tilt holding plate 5 surrounded by the first cut portion and the rear tilt holding plate fold portion, and the rear tilt bottom plate portion fold portion formed by a fold line inside the rear tilt holding plate 9, a second cut portion formed by a polygonal cut at the upper part of the rear inclined bottom plate fold portion, a rear inclined bottom plate portion 8 surrounded by the second cut portion and the rear inclined bottom plate fold portion, and a rear inclined bottom plate portion A stopper piece fold portion 15 formed by a fold line, a third cut portion 13 formed in a convex shape below the stopper piece fold portion, and a stopper piece 14 surrounded by the stopper piece fold portion and the third cut portion. And a stopper piece insertion portion 12 formed on the backward inclined holding plate. [Selection] Figure 1

Description

  The present invention relates to a rearward tilting self-standing structure of a container, and more specifically, a cylindrical container made of a sheet made of paper, semi-synthetic paper, or synthetic resin, with a lid at one end, or open at the top. Boxes for confectionery boxes such as chocolate and crayons, stationery, etc., and a cover lid that can be opened and closed freely. A container with two display panels that can be used in combination with a rear-tilt stand-alone structure such as a display case that puts calendar sheets, photos, etc. on the front and back sides. Once the self-standing structure is assembled, it can be easily operated The present invention relates to a rearward tilting self-supporting structure that can maintain a rearward tilting self-supporting state without unraveling the structure.

Conventionally, many packaging containers are used in the sale of goods. Packaging containers have been devised for decoration, decoration, and other various types of containers to attract customers' attention. For example, in the case of the aforementioned container, the container is erected vertically or tilted rearward so that the shape and structure of the container can be easily noticed by the customer. It is disclosed.
Patent Document 1 has a storage unit that can store a pamphlet and the like, and both sides of the lower part on the back side are provided with legs folded via hinges so as to be flush with the back of the container An exhibition container that can be placed upright on a table surface is disclosed.
-In Patent Document 2, each panel on the front side and the back side is connected via a joint portion provided at the upper end, and overlaps and closes and stands up in an inverted V shape like a stepladder. Discloses a display case in which an accommodation section for accommodating a photograph or the like from an opening is formed.
Patent Document 3 discloses a front plate having a housing portion that houses a photographic panel, a back surface support plate connected to an upper end portion of the front plate, and a tongue piece insertion portion formed by a cut formed in the back surface support plate. And a rear tilt holding plate connected to the lower end portion of the front plate, and a display case provided with a tongue piece extending in the center of the rear tilt holding plate and inserted into the tongue piece insertion portion of the back support plate. Yes.
In Patent Document 4, two sheets are overlapped and bonded around each other, or one sheet of a double sheet formed by folding a single sheet and bonding the surroundings around is the surface. There is no volatile surface, and a photographic window is provided, and a rotatable photographic presser plate that is larger than the photographic window and surrounded by folding lines and cut lines is formed on the other sheet at a position corresponding to the photographic window. A photographic stand is disclosed, and a photographic stand that can support the photographic stand backwardly by raising a photographic presser plate is disclosed.

Japanese Patent Laying-Open No. 2015-2786 JP 2008-259618 A JP 2006-208926 A Japanese Patent Laid-Open No. 8-275851

However, the above conventional techniques have the following problems.
(1) The technology of Patent Document 1 supports the display case backwardly by opening each leg to the outside via a hinge, but it cannot be supported backwardly unless the opening of each hinge is matched. However, it is impossible to stand up and is not easy to assemble, and since the ground contact surface of the leg is linear, the rearward tilt support is unstable and difficult to use.
(2) The technique of Patent Document 2 has a problem that when an object hits the lower part of an inverted V-shaped case, the opened part closes immediately, and it easily falls over. In addition, a shaft pin is formed on one of the both sides of the upper end on the front side and the back side, and a shaft hole for inserting the shaft pin is formed on the other side, but it is difficult to insert the shaft pin when assembling the display container. Since the pins were easily broken, there was a problem of lack of productivity.
(3) According to the technique of Patent Document 3, when the wind or object or a human finger hits the back support plate of the product container, the tongue piece of the backward tilt holding plate is easily pulled out from the tongue piece insertion portion, and easily falls down. It had the problem that. In addition, the tongue piece needs to be rebuilt every time it falls, and there is a problem that the work is complicated.
(4) The technique of Patent Document 4 has a problem that the structure is complicated and requires a large number of production steps, lacks productivity, and the photographic restraining plate tends to collapse.

  The present invention solves the above-mentioned problems, and can be easily assembled into a self-supporting rearward structure with a simple structure. Once assembled, the container does not fall down and can be disassembled even if an external force is applied. It is an object of the present invention to provide a rearward tilting self-supporting structure capable of making the container self-supporting difficult and semipermanently and enhancing the advertising effect of the product. It is another object of the present invention to provide a container that can be produced simply by cutting into the back surface of the bottom plate of various containers and that has excellent productivity.

In order to achieve the above-mentioned object, the backward tilting self-supporting structure of the container of the present invention has the following configuration.
The backward tilting self-supporting structure of the container according to claim 1 includes a rearward tilting holding plate formed by polygonal cuts on both sides and a central part of the back surface of the bottom plate of the container, and the rearward tilting holding plate. A rearward tilting plate crease formed on the bottom side, and a rearward tilting bottom plate portion formed by a cut in a polygonal shape excluding the base to the lower part of the back surface inside or below the rearward tilting holding plate, Slightly longer than the width of the upper side of the rearwardly inclined bottom plate part between the upper side of the rearwardly inclined bottom plate part and the upper side of the rearwardly inclined bottom plate part and the rearwardly inclined bottom plate part crease formed on the bottom side of the rearwardly inclined bottom plate part A stopper piece insertion portion formed of a cut, a stopper piece formed by a polygonal cut except for an upper side downward from the center of the rear inclined bottom plate portion, and a stopper formed on the upper side of the stopper piece And a single fold portion.

This configuration has the following effects.
(1) Since the rearward tilt holding plate is formed on the back surface of the container, the rearward tilted bottom plate portion is inserted into the stopper piece insertion portion while the rearward tilting holding plate is bent outward at the rearward tilting holding plate fold portion. Bending and then bending the stopper piece below the rear tilted bottom plate part and hitting the tip of the stopper piece against the back side of the rear tilt holding plate makes it possible to act as a hot stick. Thus, even if an external force such as wind, an object, or a human finger acts on the container, the stopper piece does not come off from the stopper piece insertion portion, and the container can be held tilted rearward semipermanently.
(2) Bend the stopper piece above the rear tilted bottom plate, and hook the bottom of the stopper piece on the end of the stopper piece insertion portion, so that the stopper piece insertion portion is on the surface of the stopper piece and the back of the rear tilted bottom plate portion. As a result, even if external force such as wind, objects, human fingers, etc. acts on the container, the backward tilted bottom plate stopper piece insertion part is pushed into the stopper piece fold part side. Since the stopper piece is received, the stopper piece does not come off from the stopper piece insertion portion, and the container can be held tilted rearward semipermanently.
(3) By making the rear tilted bottom plate part a rear tilting self-supporting structure formed in the rear tilt holding plate or in the lower part of the rear tilt holding plate, a vertically or horizontally long container can be tilted independently.

Here, examples of the container material include sheets made of paper, semi-synthetic paper, synthetic resin, and the like.
As a kind of container, a confectionery box such as a chocolate container composed of a cylindrical container having a lid at one end, or an inner box with a bottom open and an inner box that can be slidably or opened and closed. A container for stationery such as crayon and crayons, a container with a cover lid that can be opened and closed in a bottomed bottom box, a display panel, and a display panel that puts two display panels together and puts calendar sheets and photos on the front and back Examples include containers.
Examples of the form of the container include a cubic container, a vertically or horizontally rectangular parallelepiped container, a star-shaped or polygonal container, and an elliptic container.
The grounding surface of the container may be a ridge line, a circular arc surface, or a point (star-shaped container or the like) contact.
The crease portion is formed by a cut line thinly formed by a blade or the like, a fold line, a perforation, or the like.
The shape of the rearward tilt holding plate, the rearward tilted bottom plate portion, and the stopper piece is formed in a polygon such as a triangle, a quadrangle, a pentagon, a hexagon, and a trapezoid.

The backward tilting self-supporting structure according to claim 2 is a rearward tilt angle formed by the surface of the back surface portion and the rearward tilt holding plate when the container is tilted rearward in the device according to claim 1. Is less than 90 degrees, preferably 15 degrees to 75 degrees, and more preferably 20 degrees to 60 degrees.
With this configuration, in addition to the operation obtained in the first aspect, the following operation can be obtained.
(1) When containers containing products are arranged on a product display stand, the products can be arranged at an angle close to a right angle of the customer's line of sight, and the effect of the eye catcher can be enhanced.
Here, as the angle between the surface of the back surface portion and the backward tilt holding plate becomes smaller than 20 degrees, the center of gravity shifts upward depending on the vertical or horizontal shape of the container, and the wind or human finger touches. This is not preferable because it tends to fall forward with a little external force or the like, and tends to fall backward depending on the shape of the container as it becomes larger than 60 degrees. These tendencies become stronger as the angle becomes smaller than 15 degrees or larger than 75 degrees, which is not preferable.
Furthermore, the angle between the front surface of the back surface portion and the backward inclined holding plate is maintained at 15 to 75 degrees, preferably 20 to 60 degrees, so that when the container containing the product is displayed at the storefront, the container Since it is inclined, it becomes three-dimensional, can easily touch the customer's eyes, and can enhance the advertising effect.

A rearward tilting self-supporting structure according to a third aspect of the present invention is the device according to the first or second aspect, wherein the rearward tilting bottom plate is provided inside the rearward tilting holding plate.
With this configuration, in addition to the operation obtained in the first or second aspect, the following operation can be obtained.
Because it can hold products in a horizontally long and thin cylindrical container such as a confectionery container such as chocolate or cookies, or a case containing a postcard or calendar sheet, it can exhibit advertising effects when displayed on a product display stand. .
(1) Since the stopper piece cannot be removed and the center of gravity is low and the backward tilted state is stable, it does not fall down even if a child or the like touches it.

The backward tilting self-supporting structure of the container according to claim 4 is the device according to any one of claims 1 to 3, wherein the upper side portion of the rearward tilted bottom plate portion is shorter than the length of the bottom side of the rearward tilted bottom plate portion. Have.
With this configuration, in addition to the operation obtained in any one of claims 1 to 3, the following operation is obtained.
(1) Since the upper side portion of the rearwardly inclined bottom plate portion is shorter than the length of the bottom side of the rearwardly inclined bottom plate portion, the shape of the rearwardly inclined bottom plate portion is not limited.
(2) By making the horizontal width of the upper side of the rearward tilt holding plate and the upper side of the rearward tilted bottom plate portion the cut work step can be reduced by one step, the productivity can be increased.
(3) The rearward tilt angle of the container can be adjusted only by adjusting the angle connecting the upper side portion of the rearwardly inclined bottom plate portion and each end portion of the bottom side of the rearwardly inclined bottom plate portion. In addition, by making only the upper side of the rear tilted bottom plate part shorter than the length of the base, the rear tilt angle of a group of products etc. can be unified simply by assembling the rear tilting self-supporting structure, and when the products etc. are arranged at the storefront It can improve the appearance.

According to a fifth aspect of the present invention, there is provided the container according to any one of the first to fourth aspects, wherein the stopper insertion portion is formed in a slit shape.
With this configuration, in addition to the effects obtained in any one of claims 1 to 4, the following actions are obtained.
(1) Since the stopper insertion part is formed in a slit shape, the upper side part of the rearward inclined bottom plate part can be easily inserted.
Here, as the width of the slit, a width of 1 to 2 mm is preferably used in order to prevent the stopper piece from being easily removed.

According to the backward tilting self-supporting structure of the container of the present invention, the following effects can be realized.
(1) According to the first aspect of the present invention, since the rearward tilt holding plate is formed on the back surface portion of the container, the rearward tilting bottom plate is bent while the rearward tilt holding plate is folded outward at the rear tilting holding plate fold. Bend the part while inserting it into the stopper piece insertion part, then bend the stopper piece upward and downward, and lock the stopper piece at the bent part at the bottom of the stopper piece, or attach the tip of the stopper piece to the rear tilt holding plate Stop by hitting the surface, and using the stopper piece as a stick, the stopper piece is hooked to the stopper piece insertion part even if wind, objects or human fingers hit the container. Therefore, the container can be tilted backward and can be held semi-permanently, and the container can be tilted rearward and can be provided.
(2) According to the invention described in claim 2, in addition to the effects obtained in claim 1, when the container is arranged on the commodity display stand, the container can be arranged at an angle suitable for the customer's line of sight Can provide a rear tilting self-supporting structure.
(3) According to the invention described in claim 3, in addition to the effect obtained in claim 1 or 2, the stopper piece does not come out of the stopper piece insertion portion, and the center of gravity of the container is lowered. A rear-stand-alone structure that is stable in a tilted state and does not fall down even if a child touches a thin rectangular container such as a chocolate or cookie confectionery container or a case containing a postcard or calendar sheet. Can provide.
(4) According to the invention described in claim 4, in addition to the effect obtained in any one of claims 1 to 3, the upper side portion of the rearwardly inclined bottom plate portion is shorter than the length of the bottom side of the rearwardly inclined bottom plate portion. Therefore, the width of the rearwardly inclined bottom plate part is not limited, and by making the horizontal widths of the rearwardly inclined holding plate and the rearwardly inclined bottom plate part the number of production operations can be reduced and the productivity can be increased. Further, it is possible to provide a rearward tilting self-supporting structure in which the rearward tilt angle of the container can be adjusted only by adjusting the angle connecting the upper side portion of the rearward tilted bottom plate portion and each end of the bottom side of the rearward tilted bottom plate portion.
(5) According to the fifth aspect of the invention, in addition to the effect obtained in any one of the first to fourth aspects, the stopper piece insertion portion is formed in a slit shape, so that the rear inclined bottom plate portion It is possible to easily insert the upper side of the container, and to provide a self-supporting rearward tilting structure with excellent workability during assembly.

The back side perspective view of the container which shows the backward tilting self-supporting structure of the container of Embodiment 1 The back side front view of the container of Embodiment 1 The back side perspective view of the container which shows the backward tilting self-supporting structure of the container of Embodiment 2 The back side front view of the container of Embodiment 2

(Embodiment 1)
FIG. 1 is a rear perspective view of a container showing a backward tilting self-supporting structure of the container according to the first embodiment, and FIG. 2 is a rear side front view of the container according to the first embodiment.
In FIG. 1, 1 is a container for a confectionery box such as chocolate, which is made of a paper sheet and is made up of an open top and bottomed inner box and an outer box that slidably accommodates the inner box. Containers such as cases that store sheets such as calendar sheets, postcards, pamphlets, etc., such as outer boxes, cuboids, cubes, stars, polygons, ellipses, etc. The bottom plate 3, 3 is the back surface portion of the bottom plate 2, 4 is a first cut portion that is convexly cut upward in the center of the back surface portion 3, and 5 is the first cut portion 4 at the top and left and right sides except the bottom. A rearward tilting holding plate 6 formed by being surrounded by a rearward tilting holding plate 5, a rearward tilting holding plate crease formed by a fold line, a perforation line, and a cut line with a predetermined length and a predetermined width on the bottom side of the rearward tilting holding plate 5; Is a second cut portion formed by projecting upwardly inside the first cut portion 4, and the second cut portion 7 Is formed on the lower side of the rear inclined retaining plate 5 may be. 8 is a rear inclined bottom plate portion formed by surrounding the second cut portion 7 except for the bottom, and 9 is a fold line or perforation formed at a predetermined length and a predetermined width on the bottom side of the rear inclined bottom plate portion 8. 10 is a rear tilt holding plate upper side portion of the upper side of the rear tilt holding plate 5, 11 is an upper side portion of the rear tilt bottom plate portion of the upper side of the rear tilt bottom plate portion 8, and 12 is a rear tilt. A stopper piece insertion portion 13 that is cut into the backward inclined holding plate 5 between the upper side portion 10 of the holding plate and the upper side portion 11 of the rear inclined bottom plate portion longer than the length of the upper side portion 11 of the rear inclined bottom plate portion. A third cut portion formed in a convex shape downward on the upper side of the center portion of the first, 14 is a stopper piece surrounded by the third cut portion 13 around the lower portion, and 15 is an upper side of the stopper piece 14 having a predetermined length. It is a stopper piece crease portion formed by perforations and fold lines.
In the present embodiment, a confectionery container has been described as an example of a horizontally long chocolate, but the container is not limited to this, and it is obvious that the present invention can be applied to the other containers described above.

The assembly method of the rearward tilting self-supporting structure of the container of the first embodiment configured as described above will be described below with reference to FIG. In the figure, the same components as those in FIG.
First, the backward inclined holding plate 5 surrounded by the first cut portion 4 formed by being cut into the back surface portion 3 of the bottom plate 2 of the container 1 is separated from the surface of the back surface portion 3 by the backward inclined holding plate fold portion 6. Bend at any angle in the range of 60 degrees to 60 degrees. Next, the rear tilted bottom plate portion 8 surrounded by the second cut portion 7 formed by being cut into the back surface portion 3 is in the range of 50 to 80 degrees from the surface of the back surface portion 3 at the rear tilted bottom plate portion fold line portion 13. The rear inclined bottom plate portion 8 is inserted into the cut of the stopper piece insertion portion 12 while being bent at an arbitrary angle. When the stopper piece 14 has been inserted into the stopper piece insertion portion 12, the insertion is stopped, the tip of the stopper piece 14 is bent downward at the stopper piece crease portion 15, and the back surface of the stopper piece 14 is brought into contact with the backward inclined holding plate 5. Alternatively, the tip of the stopper piece 14 is knocked against the back surface of the backward tilting holding plate 5 so that it serves as a stick. In the figure, reference numeral 16 denotes a rearward tilting plate rear part formed by bending the rearward tilting retaining plate 5, and an advertising text or a cartoon is attached around the rear surface of the rearward tilting retaining plate rear part 16 to improve the advertising effect. Can do. α is a rearward tilt angle formed by an intersection angle between the back surface portion 3 and the rearward tilt holding plate 5, and is formed so as to fit the eyes of the child at about 45 °.

With this configuration, the backward tilting self-supporting structure of the container of Embodiment 1 has the following action.
(1) Bending the tip of the stopper piece 14 downward and bringing it into contact with the rear surface of the rearward tilting holding plate 5 or making it come into contact with the rear surface makes the stopper piece 14 a latch plate or a stick. The holding plate 5 can be prevented from coming off from the stopper piece insertion portion 12.
(2) Since the stopper piece 14 is long and excellent in rigidity, the stopper piece 14 is prevented from coming out of the stopper piece insertion portion 12 even when a considerable external force is applied to the backward tilting holding plate 5. Even if an external force is applied to the rearward tilt holding plate 5 or the like, the container 1 can be prevented from easily falling backward.
(3) Since the backward inclined holding plate 5 is bent and refracted, even if a considerable external force is applied to the backward inclined holding plate 5, the external force is dispersed, so that the backward inclined bottom plate portion fold portion 12 is separated from the backward inclined holding plate 5. It will not tear and tear.
(4) Since the stopper piece 14 serves as a stick for the backward tilt holding plate 5, it is possible to prevent the container 1 from falling backward easily even if an external force is applied to the container 1.

(Embodiment 2)
FIG. 3 is a rear side perspective view of the container showing the backward tilting self-standing structure of the container according to the second embodiment, and FIG. 4 is a rear side front view of the container according to the second embodiment.
In the figure, the same components as those in FIG. For those having the same function, the same reference numerals are given lower case letters to simplify the description.
In FIG. 3, 1a is a container in which an outer box 2b is closably covered with an inner box having an open bottomed top surface, 2a is a bottom plate of the inner box of the container 1a, 3 is a back surface portion of the bottom plate 2a, 4a is a back surface portion 3 The first cut portion cut into an inverted trapezoidal shape at approximately the center of 5a is a backward tilt holding plate formed in an inverted trapezoidal shape, 6 is a backward tilt holding plate fold portion, and 7a is a first inverted trapezoidal shape. The second cut portion, 8 is a backward inclined bottom plate portion, 9 is a rear inclined bottom plate portion fold portion, 10 is a rear inclined holding plate upper side portion, and 11a is a rear inclined bottom plate portion upper side portion formed shorter than the rear inclined bottom plate portion fold portion 9. , 12a is a stopper piece insertion part cut into a trapezoid on the stopper piece insertion part crease part 12a 'at the bottom side, 13 is a third cut part formed in a trapezoidal shape that is convex downward on the rear inclined bottom plate part 8, 14a is a stopper piece formed in an inverted trapezoidal shape, and 15 is a stopper piece fold.

As for the rearward tilting self-supporting structure of the container according to the second embodiment configured as described above, the assembling method will be described below with reference to FIG. In the figure, the same components as those in FIG.
The assembly method is different from that of the first embodiment in that the stopper piece 14a stands on the upper surface of the rear inclined bottom plate portion 8 and engages the stopper piece insertion portion 12a of the rear inclined holding plate 5a.

With this configuration, the backward tilting self-supporting structure of the container of the second embodiment has the following actions in addition to the actions obtained in the first embodiment.
(1) The tip of the stopper piece 14a is bent upward, and the entire stopper piece 14a is brought into contact with the stopper piece insertion portion 12a, so that the stopper piece 14a becomes a latch plate, and the backward inclined bottom plate portion 8 is inserted into the stopper piece. It is possible to prevent the portion 12 from coming off, and to maintain the backward tilt structure.
(2) Even when an external force acts on the container 1a, the stopper piece insertion portion 12a slides toward the stopper piece fold portion 15 like a wedge, so that the latching force of the stopper piece 14a can be further increased.
(3) Since the backward tilt holding plate 5a has an inverted trapezoidal shape, when the container 1a is tilted independently, the ground contact surface is wide, so that the backward tilt self-standing state can be stably maintained.
In this embodiment, a stationery container such as a horizontally long crayon has been described as an example. However, the present invention is not limited to this, and the present invention can be applied to the other containers described above.

As another embodiment,
(1) The slits of the stopper piece insertion portions 12 and 12a may be a slit having a slightly widened opening. The width of the slit is preferably 1 to 2 mm. With this width, it is possible to facilitate the insertion operation of the rearwardly inclined bottom plate portion 8, and it is possible to reduce the operation for the backward inclination of the container.
(2) The backward inclined bottom plate portion 8 may be formed at a position lower than the backward inclined holding plate fold portion 6.
Thereby, the backward inclination self-supporting of the container which consists of a vertically long container etc. can also be performed easily.
(3) Even if the container is made of a thin calendar sheet, a pan frette, a postcard, or a container used for a postcard or the like, or even if the bottom is thin and ridged, the container can be easily made by adopting the configuration of the second embodiment. Since the stopper piece does not come off even if a small amount of external force is applied, it is possible to maintain a rearward tilting self-supporting structure.

  Note that the rearward tilting self-supporting structure disclosed in the embodiment is merely an example of the present invention, and therefore, the present invention is obviously not restricted to the present embodiment.

  The container's rearward tilting self-supporting structure of the present invention is easy to assemble, and once assembled, even if an external force is applied, the stopper piece does not come off from the stopper piece insertion portion, preventing the container from falling down. The rear-standing self-supporting structure is difficult to disassemble with a little external force, making it possible to make the container stand back-and-back semi-permanently, enhance the advertising effect of the product, and extremely useful in industry, which is excellent in production workability It is a thing.

DESCRIPTION OF SYMBOLS 1, 1a Container 2, 2a Bottom plate 2b Outer box 3, 3a Back surface part 4, 4a First cut part 5, 5a Back tilt holding plate 6 Back tilt holding plate folding part 7, 7a Second cut part 8 Back tilt bottom plate part 9 Back tilted bottom plate fold portion 10 Back tilt holding plate upper side 11, 11a Back tilt bottom plate portion upper side 12, 12a stopper piece insertion portion 12a 'Stopper piece insertion portion fold portion 13 Third cut portion 14, 14a stopper piece 15 Stopper piece fold portion 16 Back tilt holding plate rear part α Back tilt angle

Claims (5)

  A rearward tilt holding plate formed in a polygonal shape with cuts on both sides and a central portion of the back surface of the bottom plate of the container, and a rearward tilt holding plate crease formed on the bottom side of the rearward tilt holding plate; A rear tilted bottom plate part formed by a cut in a polygonal shape excluding the bottom side to the lower part of the back surface part inside or below the rear tilt holding plate, and a rear tilt formed on the bottom side of the rear tilted bottom plate part A bottom plate part crease part, a stopper piece insertion part consisting of a cut formed between the upper side of the rearward tilt holding plate and the upper side of the rearward tilted bottom plate part slightly longer than the width of the upper side of the rearward tilted bottom plate part, and the rear It is provided with a stopper piece formed by a cut in a polygonal shape excluding the upper side downwardly above the center of the inclined bottom plate part, and a stopper piece fold part formed on the upper side of the stopper piece. Rear tilting self-supporting structure of container   2. The rear of the container according to claim 1, wherein when the container is tilted backward, a rearward tilt angle formed by the front surface of the back surface portion and the rearward tilting holding plate is maintained at 5 to less than 90 degrees. Tilting self-supporting structure   The container according to claim 1 or 2, further comprising: the backward inclined bottom plate portion inside the backward inclined holding plate.   According to a fourth aspect of the present invention, there is provided the rearward tilting self-supporting structure of the container according to any one of the first to third aspects, wherein an upper side portion of the rearward tilted bottom plate portion is shorter than a length of a bottom side of the rearward tilted bottom plate portion. 4. A rearward tilting self-supporting structure according to any one of claims 1 to 3   The container according to any one of claims 1 to 4, wherein the stopper insertion portion is formed in a slit shape.

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