JP3141543U - Assembled box - Google Patents

Abstract

An assembling box that is easy to assemble, is robust after assembling, does not collapse by an external load, and has a good appearance.
Horizontal folding edges 11 and 12 are provided at upper edges of the left and right side plates 2 and 3 and the front side plate 4, respectively, and flaps folded from the front edges of the left and right side plates 2 and 3 to the inside of the front side plate 4 are respectively provided. Protrusions are provided on the upper edges of the respective flaps, concave and convex engaging portions are provided on the front edges of the folding edges 11 of the left and right side plates 2 and 3, and left and right edges of the folding edges 12 of the front side plate 4. In addition, a concave-convex locking portion is provided on the front plate 4, and incisions 15 are provided on the left and right sides of the folding edge 12 so as to be close to and parallel to the folds on the upper edge of the front plate 4. The left and right locking portions of the folding edge 12 of the front side plate 4 were locked to the respective locking portions at the front ends of the folding edges 11 of the left and right side plates 2 and 3.
[Selection] Figure 1

Description

  The present invention relates to an assembling type box that can assemble flat folded boxes and store the products on the spot when selling confectionery and other foods at a confectionery store or the like.

  Conventionally, when selling confectionery and the like in a confectionery store, a paper box that is convenient to carry is used. Such a paper box is preliminarily folded flat and stored, and when selling the product, a store clerk or the like assembles the paper box three-dimensionally, stores the product in this, and holds it to the customer. . Accordingly, there is a need for an assembling box that can be assembled easily and quickly from a flat one and that does not easily collapse after assembly.

  An example of such a paper box is shown in Patent Document 1. As shown in FIG. 9, this is an assembly box having side plates 51 through folds on each side of a substantially quadrilateral bottom plate 50, and a substantially horizontal folding edge through the folds at the upper edges of the left and right side plates 51a. 52, 52 are provided, flaps 53, 53 are provided from the front edges of the left and right side plates 51a through the folds to the outside of the front side plate 51b, and a locking projection 53a is provided at the tip of each flap 53. The locking projections 53a of the respective fluffs 53 are inserted on the left and right sides of the front plate 51b, and cuts 54, 54 that can be locked are provided. The projections 53a of the flaps 53 are inserted into the cuts 54 of the front plate 51b. A locking piece 56 provided via a fold at the front end edge of the top plate 55 provided via a fold at the upper end of the rear side plate 51c is inserted and locked to the inside of the front side plate 51b. To close the opening of A.

  The box shown in FIG. 9 has poor appearance because the flaps 53 and 53 are overlapped on the outer sides of the left and right sides of the front side plate 51b. In addition, the flap 53 protrudes to the outside. There is a risk that the flap 53 will be caught by this, and the protruding portion 53a may come off from the cut 54. Also, during assembly, it takes time and effort to insert the flap 53 into the notch 54 of the front plate 51b.

  Further, as shown in Patent Document 2, the end wall and the left and right side walls are connected to a square or rectangular bottom plate so as to be able to bend and undulate, and to the upper sides of the end wall and each side wall, substantially horizontally toward the inside. An assembly-type packaging box has been developed which is provided with a wall edge piece that can be bent in the direction and a locking structure for connecting and fixing adjacent wall edge pieces in the bent state.

  However, in this patent document 2, the end walls are connected and supported only by the locking structure of the left and right side walls and the end of each adjacent wall edge piece, and the locking structure can be applied with a slight load from the outside. If it comes off, the end wall may collapse.

JP 2003-300518 A JP 2002-284142 A

  This device was made in consideration of such problems of the prior art, can be assembled easily and quickly, is robust after assembly, does not collapse due to external loads, and has a good appearance. An assembly box is provided to solve the above-mentioned problems.

  Accordingly, the invention of claim 1 is a prefabricated box having side plates with folds on each side of a substantially quadrilateral bottom plate, and a substantially horizontal folding edge is formed on the upper edges of the left and right side plates and the front side plate through folds, respectively. Provided from the front edges of the left and right side plates through the folds, respectively, provided with flaps folded inside the front side plates, provided with flat protrusions on the upper edges of the respective flaps, and the front edge of the folding edges of the left and right side plates Are provided on the right and left edges of the folding edge of the front side plate, and are provided on the left and right sides of the folding edge of the front side plate according to the position of the projection of each flap. Each notch is provided, and each protrusion of each flap is inserted into each notch of the folding edge of the front side plate, and the left and right locking portions of the folding edge of the front side plate are respectively connected to the locking portions of the front end of each folding edge of the left and right side plates. Assembled, locked together And the.

  According to a second aspect of the present invention, in the first aspect of the present invention, each of the engaging portions of the left and right end edges of the folding edge of the front side plate and each of the engaging portions of the front edge of each folding edge of the left and right side plates has an end edge. It is cut obliquely toward each side plate corner, and is provided with protrusions on the left and right sides of the inclined edges to form an uneven shape, and the protrusions of the locking parts facing each other are inclined to the locking parts facing each other. The assembled box was inserted and locked under the edge.

  The invention of claim 3 is the invention of claim 1 or 2, wherein the assembling box is provided with a top plate through a fold on the upper edge of the rear plate, and through a fold at the front edge of the top plate. The provided locking piece was locked to the front plate to close the opening of the box.

  Further, the invention of claim 4 is the invention according to claim 1 or 2, wherein the assembling box is provided with a top plate through a fold on the upper edge of the rear plate, and a peripheral edge that hangs downward around the top plate. A wall was provided, and the side wall on the three sides of the box was covered with the peripheral wall to close the opening of the box.

  Further, the invention of claim 5 is the invention of claim 1 or 2, wherein the assembly box is provided with a lid having a peripheral wall that hangs downward around the quadrilateral plate, and the peripheral wall of the lid is provided. It was set as the structure which covers the side plate of the four sides of the said box, and block | closes the opening part.

  According to the first to fifth aspects of the invention, when assembling the box, the folding edges of the upper edges of the left and right side plates are folded almost horizontally inside, the front end flaps are folded at right angles to the side plates, and the left and right flaps are Fold the front plate from the outside at a right angle with respect to the bottom plate, fold the fold edge of the upper edge of the front plate almost horizontally inside, and each of the cuts on the left and right of the fold edge provided on the upper edge of the flap Assembling is completed by inserting protrusions and mutually locking the right and left locking portions of the folding edge of the front side plate to the locking portions of the front end of each folding edge of the left and right side plates. These operations, that is, the insertion of each protrusion into each notch and the locking of each locking portion can be performed simultaneously by locking the folding edge of the front side plate by locking the folding edge of the left and right side plates. It can be done very easily and quickly.

  Further, the front side plate is engaged with the left and right engaging portions of the folding edge of the front plate and the front end locking portions of the respective folding edges of the left and right side plates, and the left and right side notches of the folding edge are provided with protrusions of the left and right side flaps. Since it is locked and supported by the left and right side plates by inserting and locking, it is robust after assembly and does not collapse even if it hits another object or a load is applied to the box from another object. In addition, there is no protrusion on the side of the assembled box, particularly on the outer side of the front plate, and the appearance is good.

  The invention of claim 2 is such that the locking portion is locked more firmly and the box is more robust. In the invention of claim 3, the box main body and the lid are integrated, the assembly of the box is easy, and the mount used for the box can be effectively used by one sheet.

  Further, in the invention of claim 4, the box body and the lid are integrated, and the peripheral wall around the top plate is put on the upper portions of the left and right side plates and the front side plate, so Locking of the protrusion inserted into the engagement or the cut becomes stronger. Moreover, although the device of Claim 5 makes the box main body and the lid | cover separate bodies, it has the said effect of the said Claim 4.

  In the assembly box having a side plate through a fold on each side of a substantially quadrilateral bottom plate, the left and right side plates and the front side plate are provided with substantially horizontal folding edges on the upper edges of the left and right side plates, respectively. Flaps are formed from the front edges of the front side plates through folds, and flat protrusions are provided on the upper edges of the flaps. The front and rear edges of the left and right side plates are uneven. A stop portion is provided, and concave and convex engaging portions are provided at the left and right end edges of the folding edge of the front side plate, and are positioned close to and substantially parallel to the folds on the upper edge of the front side plate and aligned with the projections of the flaps. The front plate is provided with cuts on the left and right sides of the folding edge of the front plate, the protrusions of the flaps are inserted into the cuts on the folding edge of the front plate, and the left and right locking portions of the folding edge of the front plate are provided on the left and right side plates. Each of the front edge of the folding edge By engaging each other in the locking part, assembly is easy, and, after assembly is robust box.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a perspective view of the paper box of the present invention with the lid open, and FIG. 2 is a development view of the mount of the paper box of the present invention.

  This will be described from the developed view of the paper box mount of this device. A left side plate 2 and a right side plate 3 are provided on the left and right sides of the quadrilateral bottom plate 1 via a fold line a, respectively, and a front side plate 4 and a rear side plate 5 are provided on the front and rear sides of the bottom plate 1 via a fold line b, respectively. A top plate 6 is provided at the rear edge of 5 via a crease c.

  Further, locking bands 7 and 7 are provided at the rear ends of the left side plate 2 and the right side plate 3 via folds d, respectively, and a key piece 8 having a notch 8a on one side at the tip of each locking band 7. Is provided. When assembling the box, these key pieces 8 are in positions where the respective notches 8a are opposed to each other with the respective locking bands 7 raised, and can be locked by engaging the notches 8a with each other. Yes. Further, flaps 9 are provided at the front ends of the left side plate 2 and the right side plate 3 via folds e, respectively. Flat protrusions 10 and 10 are provided on the outer edges of the respective flaps 9. Each of these protrusions 10 is located at the upper edge of each flap 9 with each flap 9 raised when assembling the box.

  Further, folding edges 11 and 11 are provided on the outer edges of the left side plate 2 and the right side plate 3 through fold lines f, respectively. The front edges of these folding edges 11 are each obliquely cut toward the corners of the left side plate 2 or the right side plate 3 to form inclined edges 11a. Protruding portions 11b are provided on the sides adjacent to the respective corners to form an uneven shape.

  Further, a folding edge 12 is provided on the front end edge of the front plate 4 via a fold line g. The left and right end edges of the folding edge 12 are each obliquely cut toward the corners of the front side plate 4 to form inclined edges 12a, and the folded edges 12a of these inclined edges 12a are formed. Protruding portions 12b are provided on the sides adjacent to the leading edge of each to form a concavo-convex shape. Further, a central notch 13 is provided in the center of the folding edge 13 close to and parallel to the fold line g, and a substantially semicircular notch 14 is provided from the center of the central notch 13 toward the front plate 4. Further, notches 15 and 15 are provided on the folding edge 12 so as to be close to and parallel to the fold line g on both sides of the central notch 13. Each of these notches 15 is in a position where each of the projections 10 can be inserted, and has a size.

  In addition, a locking piece 16 that can be inserted into and locked into the central notch 13 via a fold line h is provided at the center of the rear edge of the top plate 6.

  Next, the assembly of the box of Example 1 will be described in order. First, the left side plate 2 and the right side plate 3 are erected on the left and right sides of the bottom plate 1 by folding at a crease a. Further, the folding edges 11 and 11 are folded almost horizontally inward by the fold line f at the upper edge of the left side plate 2 and the right side plate 3. Further, the locking bands 7 and 7 are folded inward at right angles by the folds d at the rear ends of the left side plate 2 and the right side plate 3, and the key pieces 8 and 8 at the leading ends are inserted into the notches 8a and engaged. Let

  Further, the flaps 9 and 9 are folded at right angles by the folds e at the front ends of the left side plate 2 and the right side plate 3, the rear side plate 5 is folded inward by the folds b, and the top plate 6 is folded inward by the crease c. As a result, the state shown in FIG. 3 is obtained. Then, the front side plate 4 is folded outside the flaps 9 and 9 through the crease b, and is put on the front end of the bottom plate 1. Then, the folding edge 12 is bent inward horizontally by the fold g at the upper edge of the front plate 4, and the protrusions 10 of the flaps 9 are inserted into the left and right cuts 15 of the folding edge 12. As a result, the state shown in FIG. 4 is obtained.

  Then, as shown in FIG. 5, the protrusion 11b of the front end edge of the folding edge 11 of the left side plate 2 is provided below the inclined edge 12a of the left end edge of the folding edge 12 of the front side plate 4, and at the same time, the left side plate 2 The protrusion 12b of the left end edge of the folding edge 12 of the front side plate 4 is inserted below the inclined edge 11a of the front edge of the folding edge 11, respectively. Thereby, as shown in FIG. 6, the left side plate 2 and the front side plate 4 are locked. And the right side board 3 and the front side board 4 are engaged similarly to this.

  The protrusions 10 of the flaps 9 are inserted into the left and right cuts 15 of the folding edges 12, and the folding operation of the folding edges 11 of the left side plate 2 and the right side plate 3 and the folding edge 12 of the front side plate 4 is performed. However, these operations can be performed by one operation, and the folding operation is performed simultaneously when the folding edge 11 of the left side plate 2 and the right side plate 3 and the folding edge 12 of the front side plate 4 are mutually locked. The protrusion 10 of each flap 9 can be inserted into each notch 15 of the edge 12. Therefore, assembly can be performed easily and quickly.

  Further, the rear plate 5 and the top plate 6 are bent, and the locking piece 16 at the tip of the top plate 6 is inserted into the central notch 13 of the front plate 4, so that the top plate 6 can The top plate 6 is locked in a state where the opening is closed, and the assembly is completed. When the box is not required, the state of the mount shown in FIG. 3 or the state in which the left side plate 2, the right side plate 3 and the locking band 7 and the flap 9 attached thereto are folded to the bottom plate 1 side at the fold a. And assemble as described above when needed.

  FIG. 8 is a perspective view in the middle of assembling the box according to the second embodiment of the present invention. Instead of the locking band 7 according to the first embodiment, a fold is formed at both ends of the rear plate 5 raised from the bottom plate 1 through the fold. (Only one is shown in the figure, the others are omitted), the folding pieces 20 are stacked on the inside of the left side plate 2 and the right side plate 3, and the upper parts thereof are adhered, and the left side plate 2 and Folds 21 are provided diagonally from the corners of the right side plate 3 where the bottom plate 1 and the rear side plate 5 intersect to the respective upper corners. Thereby, when the left side plate 2 and the right side plate 3 are folded on the bottom plate 1, the rear side plate 5 connected to them is also folded on the bottom plate and becomes flat. Further, foldable peripheral walls 22 are provided on the left and right sides and the front side of the top plate 6. Other configurations are the same as those of the first embodiment.

  Also in the second embodiment, the inclined edge 11a and the protruding portion 11b of the front end edge of the folding edge 11 of the left side plate 2 and the right side plate 3 and the inclined edge 12a and the protruding portion 12b on both sides of the folding edge 12 of the front side plate 4 The engagement of the front plate 4 by the insertion of the projection 10 of the flap 9 and the notch 15 on both sides of the folding edge 12 of the front plate 4 is the same. In the case of the second embodiment, the peripheral wall 22 of the top plate 6 is covered from above to close the opening of the box body.

  Moreover, it can replace with the said Example and can apply also to the structure which prepares the lid | cover which provided the peripheral wall in the circumference | surroundings of the top plate separately, and covers this on a box main body, and blocks an opening part. The assembling box of the present invention may be made of any material such as paper or plastic.

It is an assembly perspective view of the box of the state which opened the cover of Example 1 of this device. It is an expanded view of the mount of the box of Example 1 of this invention. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view in the middle of assembly of a box according to Embodiment 1 of the present invention. It is a perspective view in the middle of the assembly of the box of Example 1 of this device. It is a principal part perspective view in the middle of the assembly of the box of Example 1 of this invention. It is a principal part perspective view after the assembly of the box of Example 1 of this invention. It is an assembly perspective view of the box of the state which closed the cover of Example 1 of this device. It is a perspective view in the middle of the assembly of the box of Example 2 of this invention. It is a perspective view in the state where the lid of the box of the conventional example was opened.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Bottom plate 2 Left side plate 3 Right side plate 4 Front side plate 5 Rear side plate 6 Top plate 7 Locking band 8 Key piece 8a Notch 9 Flap 10 Protrusion 11 Folding edge
11a Inclined edge 11b Protruding part 12 Folding edge 12a Inclined edge 12b Protruding part 13 Central notch 14 Notch 15 Notch 16 Locking piece 20 Folding piece 21 Fold 22 Edge wall

Claims (5)

In an assembly box having side plates through folds on each side of a substantially quadrilateral bottom plate,
Provided a substantially horizontal folding edge through the folds on the left and right side plates and the upper edge of the front side plate, respectively, from the front edges of the left and right side plates, each provided with a flap folded inside the front side plate through the folds,
A flat protrusion is provided on the upper edge of each flap,
Providing a concave and convex engaging portion on the front edge of the folding edge of the left and right side plates
Providing concave and convex engaging portions on the left and right edges of the folding edge of the front plate, and providing notches on the left and right of the folding edge of the front plate according to the position of the projection of each flap,
The protrusions of the flaps are inserted into the notches of the folding edge of the front side plate, and the left and right locking portions of the folding edge of the front side plate are mutually locked with the locking portions at the front end of the folding edge of the left and right side plates. A prefabricated box characterized by that.   The locking part of the left and right end edges of the folding edge of the front side plate and each locking part of the front end edge of each folding edge of the left and right side plates, each edge is cut obliquely toward each side plate corner, Protrusions are provided on one of the left and right sides of the inclined edge to form an uneven shape, and the protruding parts of the opposing locking parts are inserted and locked under the inclined edges of the opposing locking parts. The assembly-type box according to claim 1.   The assembling box is provided with a top plate through a fold at the upper edge of the rear plate, and a locking piece provided through a fold at the front edge of the top plate is locked to the front plate, and the opening of the box The assembly type box according to claim 1, wherein the assembly type box is configured to be closed.   The assembling box is provided with a top plate on the upper edge of the rear side plate through a crease, a peripheral wall hanging downward is provided around the top plate, and the peripheral wall is covered on the side plates on the three sides of the box. The assembly type box according to claim 1 or 2, wherein the opening of the box is closed. The assembling box has a structure in which a lid having a peripheral wall hanging downward is provided around the quadrilateral plate, and the peripheral wall of the lid is covered with the side plates on the four sides of the box to close the opening. 3. A prefabricated box according to claim 1 or 2, characterized.

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