JPH0692401A - Refuse bin - Google Patents

Abstract

PURPOSE:To assemble a box main body part, which is made of corrugated fiberboard, so as to enable to be folded, and to fix an inner bag to be stored inside the box main body part at the same time. CONSTITUTION:Four side face plates 2, 3, 4, and 5, which are arranged side by side in series, are assembled to make a prismatic shape so as to block a bottom part by bottom face plates 11, 12 extended from the lower fringes of the side face plates, while fringe plates 7, 8, 9, and 10 extended from the upper fringes of the side face plates are bent to the inside and both of the side edge fringes butt into each other so as to be connected and engaged mutually, and insertion pieces 17 projecting from folding pieces 18 extended from the fringe plates are inserted and engaged to insertion holes 19 formed in the upper fringe part of the side face plates 2, 4. An opening part fringe of a bag, which trims the opening part of the box main body part and is stored inside the box at the same time, is fixed along engaging insertion of the insertion pieces 17.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a trash box which can be assembled so as to be foldable, and an inner bag to be housed therein can be detached and freely fixed.

[0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a foldable trash box assembled from a plate-shaped material such as cardboard or corrugated cardboard, and more particularly to the inside of a box main body assembled in a box shape. The inner bag is made of synthetic resin film, etc., and the opening of this inner bag is fixed together with the assembly of the main body of the box to store the debris thrown in through the opening of the main body of the box. The present invention relates to a trash box that can be reused by removing it from the box main body when it is full and installing a new inner bag. Conventionally, a so-called simple trash can, which is constructed by using corrugated cardboard to be assembled into a box shape, has been widely known, and when the inner bag is filled with trash to be put into the trash can, Various kinds of trash cans are known, which can be easily cleaned by removing the bags. And further, in order to facilitate the mounting of the inner bag, the inner bag which is continuous in a tubular shape is preliminarily wound in a roll inside the main body of the trash box, and each time the trash becomes full, it is pulled out and separated from the next bag part, There is also known a trash box in which the next bag section is mounted in the trash box while taking out the bag section filled with the trash. The type of trash that stores the inner bag inside the trash is easy to dispose of, and by using a waterproof sheet such as a plastic sheet, it can also be used for trash containing moisture. It has excellent advantages such as hygienic handling. However, on the other hand, when using the inner bag, it is troublesome to mount the inner bag, and the appearance is bad. It is necessary to attach the inner bag with it open, but in particular, it is easy to remove, and if it is not firmly attached, it will come off when throwing in dust and the inner bag itself will become dust. Sometimes. Therefore, generally, the opening edge of the inner bag is folded back to the outside of the opening edge mainly of the trash can and fastened with a frame, or it is fastened by winding a string and fixing it. Since the edge of the item goes out of the trash can, it has a problem of impairing the appearance, which is not suitable depending on the place of use.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problem of the trash box which can accommodate the inner bag, and facilitates the mounting work by easily attaching the opening edge of the inner bag to the opening of the trash box. At the same time, it is firmly fixed so that it will not come off when dust is thrown in.On the other hand, the opening edge of this inner bag is fixed to the inside of the main body of the box to prevent it from being exposed and to maintain its aesthetic appearance. It was made for the purpose of providing a trash can. Further, the present invention makes it possible to fold the main body of the trash box so that it can be put together in a small size when not in use, and at the same time, the inner bag can be fastened at the time of assembling for use so that another fastening means can be provided. The purpose of the present invention is to provide a trash box that is manufactured using cardboard, corrugated cardboard, etc. in which the inner bag can be freely attached and detached in the trash box without needing to be fixed.

[0004]

The present invention has been made in order to achieve the above-mentioned object, and is characterized in that a box having a rectangular prismatic shape is formed by connecting four side plates side by side. A main body is formed, a bottom plate that covers the bottom of the box main body is extended from the lower edge of the side plate, and an edge plate that extends from the upper edge to the inner circumference of the opening is extended. Or, a folding piece is provided extending from a part of the free edge to the tip edge portion, while a slit-shaped insertion hole is opened in the upper edge portion of the side plate to form a free end of the edge plate. As the folding piece is folded back using the edge as a base point, the insertion piece is engaged and fixed freely in the insertion hole, and at the same time, the opening edge portion of the inner bag accommodated inside the box main body is inserted. Insert and fix the piece by inserting it into the insertion hole. It is to provide a trash formed by way. A plate-like material having a required rigidity such as cardboard or corrugated cardboard is suitable for the forming material of the box main body. The four side plates surrounding the box main body are adjacently arranged side by side and connected to each other at their both ends to form a rectangular tube shape. It can be folded flat with the surfaces aligned. On the other hand, by forming one or a plurality of fold lines in the vertical direction on the two side plates facing each other out of the four side plates, the other two side plates are brought into close contact with each other and crushed. It is foldable and can be downsized when not in use. The inner bag that is housed inside the main body of the box is used to cleanly dispose of the housed waste and to clean it up hygienically, and is preferably made of waterproof plastic film. This inner bag is formed in a size that matches the volume of the main body of the box and is stored in an open state. This inner bag has its opening edge aligned with the inner surface of the opening of the box main body, and is inserted by the insert piece protruding from the tip edge thereof as the edge plate extending from the upper edge of the side plate is bent. By being inserted into the insertion hole formed in the upper edge portion of the side plate, the side plate is fixed and fixed in a hanging shape. Next, the present invention will be described in more detail with reference to the illustrated embodiments, and the features thereof will be clarified.

[0005]

[Embodiment 1] FIG. 1 is an exploded view of a box main body 1 which is a main body of a trash can, FIG. 2 is an explanatory perspective view showing an assembling procedure of the box main body, and FIG. 3 is a box immediately before accommodating an inner bag. It is the perspective view seen from the diagonally lower part of the main part. The box main body 1 is a cube-shaped assembly made of corrugated cardboard paper. As shown in the development view, four side plates 2, 3, 4, 5 having the same shape and vertically long rectangular shape that constitute the four side surfaces are formed. Assembled in a rectangular tube shape by connecting the connecting pieces 6 extending side by side from the side edge of the side plate 2 at one end thereof to the side edge of the side plate 5 at the other end and punching or gluing. To be

Edge plates 7, 8, 9, 10 for edging the edges of the opening of the box main body are extended from the upper edges of the four side plates by engaging their side edges with each other. , And two side plates 2 and 4 that face each other when assembled into a rectangular tube shape.
Bottom plates 11 and 12 for closing the bottom are extended from the respective lower edges of the.

An edge plate 7 extending from the upper edge of each side plate,
8, 9 and 10 project from the entire width of the upper edge, and each side edge 13 that collides with an adjacent edge plate is formed on the oblique side of 45 degrees. Of these, each side edge 13 of the edge plates 7 and 9 is formed. Each has a small triangular projecting piece 14 formed at the tip of approximately one-half of the length, and the same side end edge of the other edge plates 8 and 10 has approximately half the base end side. A small projecting piece 15 is similarly provided on the portion 1.
The small projecting pieces 14 and 15 are connecting means for connecting the side edges 13 that collide with each other when the edge plates 7, 8, 9 and 10 are bent inward with respect to the bending line 16 of the upper edge. 8,
A small projecting piece 1 projecting a small projecting piece 15 projecting from the lower side of the other edge plate 7, 9 from the side edge of the edge plate 7, 9
4 are superposed on the edge plates 8 and 10 so as to mesh with each other so as to be connected and restrained.

Further, two of the above four edge plates 7,
In FIG. 9, a folding piece 18 is provided extending from the free end edge to the tip edge of the insertion piece 17. This folded piece 1
Numeral 8 is used to reinforce the edge plates 7 and 9 and to fix an inner bag which will be described later as the insert piece 17 is inserted into the insert hole 19. Here, the protruding length of the edge plates 7 and 9 is shown. It is formed shorter than that. The insert pieces 17 are formed at both ends of the tip end of the folded piece 18, and insert holes 19 are formed in the upper edge portions of the side plates 2 and 4 so as to correspond to the insert pieces. The insertion hole 19 is formed in a slit shape according to the plate thickness of the insertion piece 17 so that the insertion piece can be locked by pushing it in in an unreasonable state.

On the other hand, the bottom plates 11 and 12 extending from the lower edges of the two side plates 2 and 4 respectively project from the horizontally elongated rectangular portions 11a and 12a and the center of the free edge of these portions. It is composed of tongue-shaped portions 11b and 12b, and the joint piece 20 is formed from each side edge of the portions 11a and 12a.
And a bending line 21 is provided near the leading edge of the one portion 11b.

On the other hand, the other two side plates 3 and 5 adjacent to the above-mentioned two side plates 2 and 4 include edge plates 8 and 10 extending from the upper edge thereof, and have five vertical faces. Three fold lines 22 are provided so as to be equally divided. This fold line is for flatly folding the box main body 1 which is assembled in a rectangular tube shape as described later.

The box main body 1 is composed of the above-mentioned respective parts, and the box main body 1 is cut and formed in a developed state as shown in FIG. 1 with a plate material having a required rigidity such as corrugated paper. In actual assembly, first, the adjacent edges (shown by broken lines in the drawing) of the side plates 2, 3, 4, 5 are bent and the connecting piece 6 is overlapped with the side edge of the side plate 5 and joined by stapler or gluing. , To form a cylinder. And the bottom plate 1 extending from the lower edges of the two side plates 2 and 4
1, 12 are folded and stapled or glued to each other to join the overlapping end portions of the portions 11b and 12b to each other, and further, a joint piece 20 extending from each end edge of the portions 11a and 12a is attached to the side plates 3,5. Similarly, the bottom edge of the box main body 1 is formed by joining and adhering to the inside of the lower edge portion.

After being formed into a rectangular tube shape by this assembly, as shown in FIG. 3, the inner bag 24 formed of a plastic film or the like is dropped from the upper opening 23 of the box main body, and the opening edge portion is dropped into the box main body. The inner peripheral surface of the inner bag 24 at the same time as forming the inner peripheral edge of the opening by folding back the edge plates 7, 8, 9, 10 together with the folding of the edge plates 7, 8, 9, 10 described above. Fix the part.

FIGS. 2 and 5 and 6 explain the formation of the opening 23 and the fixing of the inner bag 24. FIG. 2A shows the inner bag inside the box main body assembled in a rectangular tube shape. 2B shows a state in which 24 are accommodated, and FIG. 2B shows the edge plates 8 and 10 facing each other.
2 is bent inward at a substantially right angle, and in FIG. 2C, the other facing edge plates 7 and 9 are bent inward in the same manner, and at the same time, each bending piece 18 is bent so as to be folded inward. FIG. 2D shows a state in which the two edge plates 7 and 9 are completely bent, and the insert piece 17 at the leading edge of the bent piece 18 is inserted into the insert hole 19 and, at the same time, four edge boards are formed. The small projecting pieces 14 and 15 provided on the side edge 13 of FIG.

FIG. 5 is an enlarged plan view for explaining the engaged and restrained state of the adjacent edge plates 8 and 9 and the fixed state of the inner bag 24 at the time of completion of assembly. The projecting pieces 14 and 15 are overlapped with each other on the upper and lower edge plates to engage with each other to form a restraining relationship, and the insertion piece 17 of the folding piece 18 provided on the edge plate 9 on one side.
It is shown that the edge plate 9 is prevented from being folded downward by pushing the edge plate into the insertion hole 19 and the restrained state of the edge plates is maintained.

FIG. 6 shows this restrained state more clearly. At the same time, when the insertion piece 17 is inserted, the opening edge of the inner bag is pushed into the insertion hole 19 provided in the side plate 4 together with the insertion piece, and this insertion piece is inserted. 17 shows a state in which the inner bag 24 is fixed to the box main body by using 17 as a wedge member.

The trash can of the present invention is assembled as described above,
While it is used, when it is not used or when it is stored or transported, the connection constraint of the edge plate is released and it stands up, that is, FIG.
After making the state shown in (A) of the above into a square tube as a whole,
The fold lines 22 formed on the side plates 3 and 5 facing each other can be folded into a zigzag shape so as to be flatly crushed (see FIG. 7). The bottom plate 11 that closes the bottom by hitting the folding of the box main body 1,
12 is folded inward with a fold line 21 into two, and at the same time, the corners of this part are folded in two with the crease line 25 provided on the parts 11a and 12a as boundaries to form the side plates 2, 4;
It will be flattened in between.

[0017]

[Embodiment 2] The embodiment shown in FIGS. 8 to 14 is another embodiment in which the structure of the edge plate which borders the opening 23 of the box main body 1 in Embodiment 1 is changed. Since this embodiment is the same as the first embodiment except for the edge plate portion including the folded piece, the common portions are denoted by the same reference numerals and the description thereof is omitted. The four side plates 2, 3, 4, 5 constituting the body of the box main body 1 are arranged side by side, and the connecting piece 6 provided on the side edge of the side plate 2 at one end is connected to the side plate 5 at the other end. It is assembled into a square prismatic shape by stacking it on the edge and stapling or gluing. Then, the side plates 2 and 4 and the side plates 3 and 5 which face each other when assembled in a rectangular tube shape have the same shape from the respective upper edge portions 2
A set of edge plates 26 and 27 are provided.

The edge plate 26 is formed in a trapezoidal shape by forming both side edges 28 at inclined sides of about 45 degrees, and extending from its free edge 29 a folding piece 30 having the same length as the protruding length of the edge plate. However, the insertion piece 31 is provided at the tip edge thereof. On the other hand, the edge plate 27 extending from the upper edges of the side plates 3 and 5 is a horizontally long rectangular piece having the same width as the lateral width of the side plate and having the length aligned with the protruding length of the edge plate 26. A folded-back piece 33 extending from the center of the free end edge 32 and having the same length as the edge plate 27 is provided, and an insert piece 34 is provided at the tip edge thereof. Then, a pair of connecting engagement pieces 35 are extended from both ends of the free edge 32 so as to sandwich the folded piece 33.

As described above, the box main body 1 is constructed by assembling the four side plates 2, 3, 4, 5 into a rectangular tube shape, and at the same time, the bottom plate 11 extending from each lower edge of the side plates 2, 4. The tip portions of the twelve portions 11b and 12b are overlapped and bonded to each other to form a box shape by closing the bottom portion, while the other facing side surface plates 3 and 5 are formed in the vertical direction 3 as in the first embodiment. The folding lines 22 of the book are provided at equal intervals, and the side plate is bent in a zigzag manner so that the box main body can be flattened.

Now, the box main body 1 assembled in a rectangular tube shape and having its bottom closed is an edge plate 2 from the upper edge of each side plate 2, 3, 4, 5.
The inner bag 24 is dropped from the upper opening in a state in which 6, 6 are erected, and the edge of the inner bag is put along the inner wall surface of the opening 23. After that, first, the edge plates 27, 27 provided on the side plates 3, 5 are bent at a substantially right angle inward from the upper edge 16 as a base point, and then, as shown in FIG.
Is bent 180 degrees with respect to the free end edge 32 to be attached to the back surface of the edge plate 27, and the insertion piece 34 protruding from the tip edge thereof is formed along the upper edges of the side plates 3 and 5 to form a slit shape. At the same time as restraining the folded edge plate 27 and the folded piece 33 in a bent state by engaging the insertion holes 36 with each other, the inner bag 2 is also fitted with the inserting pieces in accordance with this work.
4 is pushed into the insertion hole 36 and the piece 34
Is used as a wedge member to fix the opening of the inner bag to the box main body.

After the folding operation of the edge plate 27, the other two edge plates 26 facing each other are also bent at a substantially right angle and the lower surface thereof is superposed on the engaging piece 35, and then the free end edge 29 is used as a base point. The bent piece 30 is folded back so as to overlap the lower surface of the edge plate 27, the engagement piece 35 is sandwiched between the two pieces, and the insertion piece 31 protruding from the tip edge thereof is inserted into the insertion hole 36. . At this time, the bent piece 3
Similarly to the insertion piece 34 of No. 3, the opening edge of the inner bag 24 is pushed into the insertion hole 36 and fixed.

FIG. 10 is an enlarged plan view of a portion which is bent at a right angle from the upper edges of the side plates 2 and 3 assembled in a rectangular tube shape to explain the shapes of the edge plates 26 and 27, and FIG. FIG. 12 is an enlarged perspective view of a portion showing the middle of the bending work in which one of the edge plates 27 is bent inward at a right angle and the folding piece 33 is bent downward, and FIG.
6, 27 and the return pieces 30, 33 are bent, and the insertion pieces 31, 34 are inserted into the insertion holes 36, respectively.
FIG. 9 is an enlarged plan view of a portion in which the trash can is pushed in together with the edge of the opening portion, is fixed, and at the same time, the bent state of the edge plate is constrained to complete the assembly of the trash box to a usable state.

The bending of each of the edge plates 26 and 27 is, as described above, the engaging piece 35 provided on both side edges of the one edge plate 27.
Is sandwiched between the other edge plate 26 and the bent piece 30 so that the adjacent edge plates are mutually restrained at the corners of the opening 23, whereby both edge plates are firmly connected. . In this embodiment, two insert pieces 31, 31, 34, 34 are provided in a protruding manner at the tip edge portion of the folded piece of the edge plate, and correspondingly, an insert hole 36 is formed in the upper edge portion of each side plate. Although it is provided, one insertion piece may be provided for each folded piece, or a plurality of insertion pieces may be provided.

The trash can of the present invention having the above-described structure is assembled into a shape shown in FIG. 8 by bending and combining the respective edge plates, and at the same time, the inner bag is fixed inside the main body of the box by the inserting piece, and is used in this state. Sent. Then, the inner bag containing the dust is removed by pulling out each insertion piece from the insertion hole, and can be reused by exchanging a new inner bag. On the other hand, in the unused state, the box main body is formed into a rectangular tube by unfolding the edge plate, and is bent in a zigzag shape along the crease line 22 formed on the two side plates 3 and 5 facing each other. It can be folded into a crushed state like the one shown in the first embodiment.

[0025]

As described above in detail with reference to the embodiments, the trash box of the present invention is constructed by a plate material having a required rigidity such as corrugated cardboard. It is convenient for transportation and storage because it can be used for throwing in garbage, and when not in use, it can be crushed along the fold line provided on the side plate and folded into a flat shape. Since the trash box of the present invention is fixed at the inner circumference of the opening of the inner bag through the assembly of the edge plate for making the box main body self-supporting, the fastening state is not exposed and the appearance is not spoiled, and at the same time, it is inserted into the insertion hole. There is an advantage that the inner bag can be replaced easily and swiftly because it can be surely fixed because it can be fixed by pushing the insertion piece against it, and can be easily removed by engaging and disengaging the insertion piece at the time of replacement. Of course, the trash box of the present invention can be manufactured at a low cost because it can be manufactured from a material such as corrugated cardboard, and at the same time, it can be reused by exchanging the inner bag, which is also economical and can be used as a trash box for a short-term event such as an exhibition hall It is convenient and extremely effective in some cases.

[Brief description of drawings]

FIG. 1 is a development view of a box main body.

FIG. 2 (A) is a perspective view of a state where four side plates are assembled into a rectangular tube shape and an edge plate extending from the upper edge of each side plate is erected, and FIG. 2 (B) is four edges. Of the plates, a perspective view of a part of a figure in which a pair of opposite edge plates are bent inward at a right angle,
(C) is a perspective view of a part showing the middle of bending the other set of edge plates standing up in (B), and (D) is a collision by bending each edge plate into a predetermined shape. FIG. 6 is a perspective view of a portion in a usable state in which side edges are engaged with each other and the opening of the box main body is edged.

FIG. 3 is a perspective view from below in a state where the box main body is assembled into a rectangular tube shape.

FIG. 4 is an enlarged development view of the edge plate portion.

FIG. 5 is a partially enlarged plan view illustrating an assembled state of the edge plate.

6 is a side view of a cross section taken along the line AA of FIG.

FIG. 7 is a cross-sectional plan view illustrating a shape in which the box main body is flatly crushed.

FIG. 8 is a perspective view of a trash can in a usable state according to another embodiment.

FIG. 9 is a development view of the box main body.

FIG. 10 is an enlarged plan view of a portion for explaining the shape of the edge plate by bending the edge plate outward at a right angle.

FIG. 11 is a partially enlarged perspective view of an edge plate.

FIG. 12 is an enlarged plan view of a portion for explaining the assembly of the edge plate.

13 is an enlarged cross-sectional view taken along the line BB of FIG.

14 is an enlarged cross-sectional view taken along line CC of FIG.

[Explanation of symbols]

 1 box main part 2,3,4,5 side view 7,8,9,10 edge plate 11,12 bottom plate 13 side edge of edge plate 14,15 small projecting piece 16 upper edge 17 of side plate 17 insertion piece 18 Folding piece 19 Insert hole 22 Fold line 24 Inner bag

Claims (2)

[Claims] 1. A box main body having a rectangular prismatic shape is formed by connecting four side plates side by side adjacent to each other, and a bottom plate for closing the bottom of the box main unit is extended from a lower edge of the side plate. In addition, an edge plate extending from the upper edge to the inner circumference of the opening is extended, and further a folding piece is provided which is provided with a inserting piece from the free end edge of all or part of these edge plates to the tip edge portion, while the other side is provided. A slit-shaped insertion hole is formed in the upper edge of the face plate, and the insertion piece is freely engaged with and disengaged from the insertion hole as the folding piece is folded back from the free end edge of the edge plate. Then, at the same time, the opening edge portion of the inner bag accommodated in the box main body is inserted into the insertion hole and fixed together with the insertion of the insertion piece. 2. The method according to claim 1, wherein two side plates facing each other out of the four side plates forming the box main body are formed with one or more fold lines over the entire length in the vertical direction. Characteristic trash can.