JP3198195B2 - Garbage can - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

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

[0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a collapsible trash can assembled from a plate-like material such as cardboard or corrugated paper, and more particularly, to the inside of a box main body assembled in a box shape. An inner bag formed of a synthetic resin film or the like is stored in the inner bag, and the opening of the inner bag is fixed in accordance with the assembly 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 and attaching a new inner bag. Conventionally, so-called simple trash cans that are assembled in a box shape using corrugated paper are widely known. Various types of trash cans that have been easily cleaned by extracting bags are also known. Further, in order to further facilitate the mounting of the inner bag, the inner bag continuous in a cylindrical shape is previously wound in a roll inside the main body of the trash box, and is pulled out every time the garbage is full, cut off from the next bag portion, and There is also known a trash can in which a bag portion filled with is taken out and the next bag portion is mounted in the trash box. A trash can of the type that puts an inner bag inside the trash can is firstly easy to clean up when throwing away garbage, and by using this inner bag as a waterproof sheet such as a plastic sheet, it is also used for garbage containing moisture. It is possible,
Excellent in sanitary handling. But,
On the other hand, when the inner bag is used, the mounting is troublesome, and the appearance is deteriorated. It is necessary to attach the inner bag with the opening open, but in particular, it can be easily removed, and if it is not firmly attached during use, it will come off when throwing in garbage and the inner bag itself will become garbage. Sometimes it becomes. Therefore, in general, the opening edge of the inner bag is folded back to the outside of the opening edge of the garbage bin and fixed by a frame, or wrapped with a string and fixed by a method such as this. There is a problem that the outer edge of the garbage can be out of the trash can, and thus the appearance is impaired.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of a trash can in which an inner bag is housed, so that an opening edge of the inner bag can be easily attached to an opening mainly formed of the trash box, thereby facilitating mounting work. At the same time, the inner bag is fixed firmly so that it does not come off when throwing in garbage. This was done to provide a trash can. Further, the present invention allows the trash box main body to be foldable so that it can be compacted when not in use, and can simultaneously perform the work of fastening the inner bag at the time of assembling in use so that another fastening means is provided. An object of the present invention is to provide a trash can manufactured using cardboard, corrugated paper, or the like, which can freely attach and detach an inner bag inside a trash can main body without necessity.

[0004]

DISCLOSURE OF THE INVENTION The present invention has been made to achieve the above-mentioned object, and is characterized by a box having a rectangular rectangular tube shape formed by connecting four side plates side by side. Forming the main body, extending the bottom plate closing the bottom of the box main body from the lower edge of the side plate, while the first edge plate extending the folded piece from the leading edge from the two opposing upper edges, Further, a second edge plate provided with a locking portion near both ends of the leading edge is extended from the other two opposing upper edges, and both side edges of the first edge plate are reduced in width toward the leading edge. After forming a hypotenuse, and providing a triangular piece protruding laterally at both side edges of the folded piece following it, and providing an insertion piece at the tip edge, folding the second edge plate inward The first edge plate is folded over and overlapped, and then the folded piece extending from each end edge thereof is placed on the first edge plate. The triangular piece is inserted under the side edge of the second edge plate and is sandwiched in cooperation with the first edge plate, and both ends of the leading edge of the first edge plate are secondly inserted. A garbage box, wherein the garbage can is engaged with the locking portion of the edge plate, and the insertion piece at the end edge of the folded piece is freely inserted into and fixed to an engagement slit formed at the upper end of the side plate. Is to provide. A plate-shaped material having a required rigidity such as cardboard or corrugated paper is suitable for the box-based molding material. The four side plates surrounding the periphery of the main body of the box are arranged side by side in a row adjacent to each other, and are formed in a rectangular cylindrical shape by connecting both end edges thereof. Can be folded flat. On the other hand, by forming a vertical fold line at the center of the two side plates facing each other out of the four side plates, the other two side plates are brought into contact with each other and crushed. It can be folded and can be downsized when not in use. The inner bag accommodated in the main body of the box is used for treating the stored garbage efficiently and for sanitary disposal, and is preferably made of a waterproof plastic film.
This inner bag is formed in a size corresponding to the volume of the box main part,
It is stored in an open state. The inner bag has its opening edge along the inner surface of the opening of the main body of the box, and protrudes from the folded piece of the leading edge along with the bending of the first edge plate extending from the upper edge of the side plate. By being inserted into the engagement slit formed in the upper edge of the side plate by the insertion piece, the side plate is fixed and fixed. Next, the embodiment illustrating the present invention will be described in more detail, and its features will be clarified.

[0005]

Embodiment 1 FIG. 1 is an exploded view of a box main body 1 serving as a main body of a trash can, FIG. 2 is an expanded view of a main part of the box main body, and FIGS. FIG. The box main body 1 is assembled in a cubic shape using corrugated paper as a material, and as shown in an exploded view, four side plates 2, 3, 4, having the same shape and vertically long rectangles forming four side surfaces.
5 are arranged side by side, and a connecting piece 6 extending from a side edge of the side plate 2 at one end thereof is overlapped with a side edge of the side plate 5 at the other end, and is punched or glued to form a square tube. Assembled.

From the upper edges of the four side plates, first side plates 7, 9 and second side plates 8, 9 bordering the opening edge of the box main body by engaging their side edges with each other. 10 is extended,
Bottom plates 11, 12, 13, 14 extending from the lower edges of the four side plates 2, 3, 4, 5 are provided to close the bottom.

The first and second edge plates 7, 8, 9, 10 extending from the upper edge of each side plate project from the entire width of the upper edge. Both side edges 15 and 16 are formed on the oblique sides of approximately 45 degrees and are tapered, and folded pieces 17 and 18 are extended from the narrowed front edge.
Each of the edge plates 7, 8, 9, 10 is formed to have the same protruding width as shown in the drawing, and the folded pieces 17, 18 protruding from the leading edge portions of the first edge plates 7, 9 are formed on the edge plates 7, 9 respectively. The edge plate is slightly narrower than the protrusion width so that the upper surface of the edge plate becomes an inclined surface when folded and assembled as described later.

The folded pieces 17 and 18 form fold lines 19 and 20 along extensions of the side edges of the first edge plates 7 and 9, and triangular shapes are formed on both side edges with the fold lines as base lines. Are protruded. These triangular pieces 21, 22
The folded pieces 17, 18 and the first edge plates 7,
9 is the connection edge thereof, that is, the leading edge 23, 24 of the first edge plate.
Are formed so as to form a substantially symmetrical shape therebetween, and a V-shaped edge of approximately 90 degrees is formed by the side edges 15, 16 and the inclined side edges 25, 26 of the triangular pieces 21, 22. Tip edge 2
Locking recesses 27 and 28 are formed at both ends of the members 3 and 24, respectively.

The folded pieces 17 and 18 are provided with projecting insertion pieces 29 and 30 projecting from the center of the tip edges thereof, and the upper end of each of the side plates 2 and 4 slightly from the upper edge. Engagement slits 31 and 32 for receiving the insertion pieces are provided at remote positions.

On the other hand, the second edge plates 8 and 10 are provided with small projecting pieces 33 and 34 protruding from portions near both side ends of the leading edge so that the locking portions 3 are formed.
5, 36, and the edges between the left and right small projections 33, 33 and 34, 34, that is, the edges 37, 38, which are the leading edges of the second edge plate, are formed in a concave arc shape. The projections of the small projecting pieces 33, 34 are straight lines drawn at an angle of 45 degrees from both ends of the upper edges of the side plates 3, 5 toward the second edge plate (that is, the sides of the first edge plates 7, 9). (A virtual straight line substantially symmetrical with the edges 15, 16).

The bottom plates 11, 12, 13, and 14 extending from the lower edges of the side plates 2, 3, 4, and 5 have a trapezoidal shape in which one side is a right angle and the other side is a 45-degree oblique side. It is formed.
After making the box main body into a square cylindrical shape, this bottom plate should be bent at right angles starting from each lower edge in turn and superimposed one after the other, and the edge of the last bottom plate should be inserted inside the bottom plate that was bent first To form the bottom of the box.

In the figure, reference numerals 39 and 40 denote fold lines when the box main body 1 is folded flat, and both fold lines are side plates 2 and
4 is provided vertically at each central part, and the upper end thereof is the first edge plate 7,
The lower end is provided in a straight line through the center of the bottom plates 11 and 13 through the center of the folded pieces 17 and 18 through the center of 9.

The box main body 1 is composed of the above-mentioned respective parts. This box main body is cut out and formed from a plate-like material having a required rigidity such as corrugated cardboard in an expanded state as shown in FIG. And in the actual assembly, the side plates 2, 3,
The adjacent edges 4 and 5 are bent, and the connection piece 6 is overlapped on the side edge of the side plate 5 and joined by stapling or gluing to assemble into a rectangular tube shape. When not in use, in this state, the two adjacent side plates 2 and 3 and 4 and 5 are superimposed and flattened, or the two side plates 2 and 4 are folded in two at the folding lines 39 and 40 as a base point. Then, it is folded flat between the other two side plates 3 and 5 and stored or provided for transportation.

When the box main body 1 is used in this state, the box main body 1 is formed into a rectangular cylindrical shape, and the bottom plates 11, 12, 13, and 14 extending from the lower edge of each side plate are combined by the above-described method. When the main body of the box is lifted up, the inner bag 41 is dropped from the upper opening 42 as shown in FIG.

FIGS. 3 to 8 are views for explaining the assembling sequence of the first and second edge plates 7, 8, 9, and 10 which border the upper opening 42 of the box main body. FIG. FIG. 4 to FIG. 8 sequentially describe the process of assembling from FIG. 4 to FIG.

First, as shown in FIG. 4, the facing second edge plates 8 and 10 are folded at right angles inward from the upper edge of the side plate as shown in FIG. The first edge plate 7, 9 is also folded inward and folded on the second edge plate. After that, as shown in FIG. 6, the folded pieces 17 and 18 extended from the leading edges 23 and 24 of the first edge plates 7 and 9 are bent toward the inside of the box main body, and the first pieces are bent.
Make it go around the back of the edge plate.

6 shows an initial state of the bending, in which the triangular pieces 22, 22 overlapping the second edge plates 8, 10 are bent at the folding line 20 as a base point.
The figure shows that the folded piece 18 is allowed to be folded. FIG. 7 shows a state in which the two folded pieces 17 and 18 are further pushed in so that the triangular pieces 21 and 22 are more bent and turned downward, and FIG. 8 further proceeds to bend the folded pieces 17 and 18 to the second edge. A state is shown in which the triangular pieces 21 and 22 on both left and right sides are sunk under the second edge plate while being folded below the plates 8 and 10.

As shown in FIG. 7, the folded pieces 17, 1
At the time when the triangular pieces 21 and 22 on both side edges are guided by the concave arc-shaped leading edges 37 and 38 of the second edge plate and are folded inward with the folding of the small projecting pieces 33 and 34, Second
You will sneak under the edge plate. At the same time, the engaging recesses 27 and 28 are respectively engaged with the locking portions 35 and 36 of the second edge plates 8 and 10. In this engagement, since the engaging portions 35 and 36 are located outside the 45-degree virtual straight line as described above,
By engaging with the first and second edge plates 7 and 28, both the first and second edge plates are connected and restrained with their leading edges further lowered from the right-angled bent position, and exhibit an inwardly sloped inclined surface. Will be.

The folded piece 17 of the upper first edge plate 7 in FIG.
Is inserted into the engagement slit 32 provided in the side plate 4 by inserting the insertion piece 30 provided in the front edge of the first edge plate 9 into the back surface of the first edge plate 9 to complete the assembling. Shows the fixed state.

The folded piece 18 folded on the back surface of the first edge plate has the triangular pieces 22 on both side edges wrapped under the second edge plates 8 and 10, and the side edge of this edge plate is referred to as the first edge plate. The second edge plate is constrained by the cooperation of the two.
The other folded piece 17 is similarly assembled by inserting the insertion piece 29 into the engagement slit 31, and in conjunction therewith, cooperates with the triangular pieces 21 and 21 provided on both side edges to form the second edge plates 8 and 10. Will be pinched and restrained.

FIG. 9 is an enlarged perspective view showing a state in which the triangular pieces 21 on both side edges of the folded piece 17 shown in FIG. 8 are sunk under the second edge plate 8, and FIG. 10 to FIG. FIG. 11 is an enlarged view showing an assembled state and a combination relationship of each part, FIG. 11 is a partially enlarged plan view of the assembled state, and FIG.
13 is a cross-sectional view along the line BB of FIG. In the drawing, reference numeral 43 denotes a tongue-shaped locking piece cut and raised at each upper end of the side plates 3 and 5 so that the opening edge of the inner bag 41 can be pinched by being pushed inside the box main body. There are 44 and a handle hole.

The trash box of the present invention assembled and used as described above is provided with the first and second edge plates by pulling out the insertion pieces 29, 30 of the folded pieces 17, 17 from the engagement slits 31, 32. The mutual combination can be released, and the opening edge of the inner bag 41 can be released and taken out. After replacement with a new inner bag, the edge plates are folded and assembled again in accordance with the above-mentioned procedure, so that they can be used again.

The insertion pieces 29 and 30 can be removed by pulling the folded pieces 17 and 18 inward or by pushing them in from the outside of the side plate. Is designed so that the engagement of the insert pieces can be released by pressing the second edge plates 8, 10 combined with the first edge plates 7, 9 downward. That is, among the mutually combined edge plates, the second edge plate 8,
10 is pressed downward, the leading edge at the side edge of the first edge plate and both side edges sandwiched by the triangular pieces 21 and 22 push down the triangular piece, and at this time, the leading edge becomes the triangular piece. In order to rub the inclined side edges 25 and 26 and push them obliquely downward, the folded pieces 17 and 18 move inward and the insertion pieces 29 and 30 are pulled out.

This relationship will be further described with reference to FIGS. 11 to 13. In the combined first and second edge plates, the side edge 10a of the second edge plate 10 is the side edge of the first edge plate 7. When the second edge plate 10 is further bent and the leading edge is pushed down, the leading edge rubs against the inclined side edge 25 of the triangle piece 21 as the side edge 10a descends. The insertion piece 29 is pulled out to push the triangular piece inward by using this inclination as a guiding means, and the combination of the edge plates is released. still,
When the second edge plate 10 (8) is pushed down, the locking portion 36
Since (35) is engaged with the locking recesses 27 (28) of the first edge plate 7 (9) so as to maintain the assembled state, there is some resistance, but utilizing the deformability of the material, By forcibly pressing down, the engagement can be released and the insertion piece can be pulled out.

[0025]

As described in detail in the above embodiment, the trash can of the present invention is assembled from a board material having a required rigidity such as corrugated cardboard. It is convenient for transportation and storage because it can be used for storing garbage and squashed along the fold line provided on the side plate when it is not used. And since the trash box of the present invention is fixed on the inner periphery of the opening of the inner bag through the assembly of the edge plate for self-supporting the box main body, the fastening state is not disturbed and the appearance is not impaired. Can be securely fastened by being pushed in by inserting the insertion piece into it, and can be easily removed by disengagement work of this insertion piece, especially by pushing down the second edge plate at the time of replacement. There are advantages that can be done. Of course, the trash can of the present invention can be provided at a low price because it can be manufactured from a material such as corrugated paper, and at the same time, can be reused by exchanging the inner bag. It is convenient and extremely effective in such cases.

[Brief description of the drawings]

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

FIG. 2 is a partially enlarged view of FIG. 1;

FIG. 3 is a perspective view of a main part in a state where the box main body is assembled in a rectangular cylindrical shape.

FIG. 4 is a perspective view showing a state in which a second edge plate is folded inward at a right angle.

FIG. 5 is a perspective view showing a state where a first edge plate is folded after a second edge plate is folded.

FIG. 6 is a plan view showing a state in which a folded piece of one of the edge plates is slightly bent after the first edge plate is folded.

FIG. 7 is a plan view showing a state in which each folded piece of the first edge plate has begun to be folded.

FIG. 8 is a plan view showing a state in which a folded piece is bent to a tongue of a second edge plate.

9 is a partially enlarged perspective view of FIG.

FIG. 10 is a perspective view of a main part in an assembled state.

FIG. 11 is a partially enlarged plan view of FIG. 10;

FIG. 12 is a sectional view taken along line AA of FIG. 11;

FIG. 13 is a sectional view taken along line BB of FIG. 11;

FIG. 14 is a perspective view of a box mainly illustrating a state in which the inner bag is inserted.

FIG. 15 is a cross-sectional plan view illustrating the folding of the main body of the box.

[Explanation of Signs] 1 Box main body 2,3,4,5 Side plate 7,9 First edge plate 8,10 Second edge plate 11,12,13,14 Bottom plate 17,18 Folded piece 21,22 Triangular piece 23, 24 Tip edge 27 of first edge plate 27, 28 Engagement recess 29, 30 Insertion piece 31, 32 Engagement slit 33, 34 Projection piece 35, 36 Locking part 39, 40 Folding line 41 Inner bag 42 Box-based Aperture

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B65D 5/10 B65D 5/36 B65D 5/66 301 B65F 1/06

Claims (2)

(57) [Claims] 1. A box main body having a rectangular rectangular tube shape formed by connecting four side plates side by side, and a bottom plate closing a bottom of the box main body extends from a lower edge of the side plate, A first folded piece extending from a leading edge from two opposing upper edges.
An edge plate and second edge plates, which are provided with locking portions near both ends of the leading edge from the other two upper edges facing each other, are extended, and both side edges of the first edge plate are attached to the tip. A triangular piece protruding laterally is provided on both side edges of the turned-back piece following this, and an insertion piece is provided at the leading edge so that the second edge plate is turned inward. After being folded, the first edge plate is folded and overlapped, and then the folded piece extending from each end edge thereof is folded back around the back surface of the first edge plate to join the triangular piece to the second edge plate. It is inserted under the side edge and cooperated with the first edge plate to be pinched.
The both ends of the leading edge of the edge plate are engaged with the locking portions of the second edge plate, and the insertion piece of the tip edge of the folded piece is freely inserted and fixed into an engagement slit formed at the upper end of the side plate. A trash can characterized by doing so. 2. The device according to claim 1, wherein the first edge plate and the bottom plate are provided at the center of two opposing side plates extending the first edge plate among the four side plates forming the main body of the box. A trash can characterized by forming a fold line that includes a straight line vertically.