JP3175972U - Packaging box - Google Patents

Abstract

The present invention provides a packaging box that can reliably hold an upright state of a grip portion with respect to a lid plate.
A box body 12 having a first side plate 22, a second side plate 23, and an auxiliary side plate standing on a bottom plate and having an opening formed at an upper portion thereof, and the first side plate 22 being continuously provided to close the opening. A pair of cover plates 31, a pair of handle plates 61 that stand and overlap each cover plate 31 to form the gripping portion 16, and both end portions of each handle plate 61 that are connected to the second side plate 23 or the auxiliary side plate. Holding portion 17 that enables opening of lid plate 31 by forming a first engagement piece 62 and a second engagement piece 63 at both end edges of handle plate 61, respectively. Each holding portion 17 includes a first holding plate 71 having a first engaging portion 73 that engages and disengages the first engaging piece 62 and a second engaging portion 74 that engages and disengages the second engaging piece 63. The first holding plate 71 and the second holding plate 72 are the second side plate 23 or the auxiliary side plate 25 throat. Et or the other to independently lodging freely to continuously arranged.
[Selection] Figure 1

Description

  The present invention relates to a structure of a packaging box, and more particularly to a locking structure of a grip portion of the packaging box.

  2. Description of the Related Art Conventionally, a packaging box for storing articles is known in which a handle is formed on the upper portion thereof for easy transportation.

  For example, as shown in Patent Document 1, in the state where four side plates are erected with respect to the bottom plate, the upper portion is closed with a lid plate. Further, a handle piece (handle plate) that is connected to the lid upper surface piece (lid plate) and has one locking piece at each end thereof is raised. Then, the lid upper surface piece and the handle piece are fixed by inserting and locking the grip piece locking piece continuous with the side plate and the grip portion support piece (holding plate) formed with the cut.

  However, in the packaging box described in Patent Document 1, only one locking piece is formed at one end of the handle piece, and the standing state with respect to the cover plate may be unstable.

No. 7-23376

  The present invention has been made to solve the above problems. The object of the present invention is to provide a packaging box that can reliably hold the standing state of the gripping part with respect to the lid plate.

  The problems to be solved by the present invention are as described above. Next, means for solving the problems will be described.

  That is, in claim 1, the bottom plate, the pair of first side plates standing on the bottom plate, the pair of second side plates, and at least one of the first side plates are connected to the bottom plate inside the second side plate. A pair of auxiliary side plates standing up, a box body having an opening formed at the top, a pair of lid plates connected to the first side plate and closing the openings, and the lid plates A pair of handle plates that stand up against each other and form a grip portion, and are connected to the second side plate or the auxiliary side plate, and hold the both end portions of each handle plate so that the lid plate is A holding box that holds a state of closing the opening and releases the holding of both end portions of each handle plate to enable the lid plate to be opened. A first engagement piece and a second engagement piece are formed at both ends of the handle plate, respectively, Formed by a first holding plate having a first engaging portion with which one engaging piece engages and disengages, and a second holding plate having a second engaging portion with which the second engaging piece engages and disengages. The first holding plate and the second holding plate are connected to either the second side plate or the auxiliary side plate so as to be freely laid down.

  In claim 2, the bottom plate, the pair of first side plates standing on the bottom plate, the pair of second side plates, and the first side plate are connected to each other and stand on the bottom plate inside the second side plate. A pair of auxiliary side plates, a box body having an opening formed at the top, a pair of lid plates connected to the first side plate and closing the openings, and the lid plates A pair of handle plates that are erected and overlapped to form a gripping portion, and are connected to the second side plate or the auxiliary side plate, and hold the both end portions of each of the handle plates so that the lid plate can open the opening. A holding box that allows the lid plate to be opened by releasing the holding of both end portions of each handle plate, and the handle plate. A first engagement piece and a second engagement piece are formed at both end edges of the first and second holding pieces, respectively, A first holding plate having a first engagement portion with which a piece engages and disengages, and a second holding plate with a second engagement portion with which the second engagement piece engages and disengages, The first holding plate is connected to one of the second side plate and the auxiliary side plate so as to be able to fall down, and the second holding plate is connected to the other of the second side plate or the auxiliary side plate so as to be able to fall down. is there.

  According to a third aspect of the present invention, the second holding plate has an insertion portion formed by an opening or a slit, and the first holding plate is inserted into the insertion portion.

  In the present invention, the insertion portion is the second engagement portion.

  In Claim 5, the said insertion part has the convex piece which protrudes in the peripheral edge to the opening side.

  In Claim 6, said 1st engagement piece and said 2nd engagement piece are insertion pieces, and said 1st engagement part is an engagement hole or engagement slit which said 1st engagement piece penetrates The second engagement portion is an engagement hole or an engagement slit through which the second engagement piece is inserted.

  The effects of the present invention are as follows.

  In claim 1, the first holding plate and the second holding plate are independently engaged with the second engaging piece, and further independently fall down. The tensile strength with respect to the 1st engagement piece and the 2nd engagement piece by a 2 holding plate improves, and can hold | maintain the standing state of the holding part with respect to a cover plate reliably.

  According to the second aspect, since the first holding plate and the second holding plate are provided independently from the second side plate and the auxiliary side plate, respectively, the first holding plate and the second holding plate are used for the first engagement. The tensile load on the combined piece and the second engaging piece is distributed to the second side plate and the auxiliary side plate. Therefore, the tensile strength by the first holding plate and the second holding plate is improved, and the standing state of the grip portion with respect to the lid plate can be reliably held.

  In the third aspect, in addition to the effect of the second aspect, the second holding plate has an insertion portion formed by an opening or a slit, and the first holding plate is inserted into the insertion portion, thereby The holding plate and the second holding plate can be engaged. Therefore, without attaching a fixing means for fixing the second side plate and the auxiliary side plate, it is possible to hold the second side plate, the auxiliary side plate, and the first side plate connected to the auxiliary side plate with respect to the bottom plate. Improve and reduce costs.

  In the fourth aspect, in addition to the effects of the second and third aspects, the second engaging portion can be used as the second engaging portion without separately forming the second holding plate. The first holding plate can be inserted into the part, and the second engagement piece can also be engaged. The second holding plate can be made stronger than forming the insertion portion and the second engagement portion separately.

  In claim 5, in addition to the effects of claims 2 to 4, the first holding plate is inserted into the second holding plate after the first holding plate is inserted into the periphery of the insertion portion. Even if it tries to return to the state before insertion, the movement can be prevented by contacting the convex piece.

  In the sixth aspect, in addition to the effects of the first to fifth aspects, the first engaging piece and the second engaging piece are inserted into the engaging hole through the first engaging part and the second engaging part, respectively. Alternatively, by appropriately changing to the engagement slit, it is possible to adjust the balance of necessary fixing strength and ease of opening.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a simplified perspective view showing a packaging box 11 in a completed state according to a first embodiment of the present invention. The top view of the packaging box 11 of an expansion | deployment formation body. The top view which shows the process in which auxiliary | assistant side plate 25 * 25 and the 2nd side plate 23 are folded. The top view which shows the state which folded and piled up the 2nd side board. The top view which shows the packaging box 11 of a semi-finished state. The perspective simplified view which shows the state which the 1st side plate 22, the 2nd side plates 23 and 23, and the auxiliary side plates 25 and 25 of the rear side with respect to the baseplate 21 stood up. FIG. 3 is a simplified perspective view showing a state in which a front first side plate 22 stands up with respect to a bottom plate 21 and a front cover plate 31 and a handle plate 61 are bent. (A) The figure which shows the engagement state of the 1st engagement part 73 and the 1st engagement piece 62 of the 1st holding plate 71, (B) The 2nd engagement part 74 and the 2nd engagement of the 2nd holding plate 72 The figure which shows an engagement state with the joining piece 63. FIG. The top view of the packaging box 111 of the expansion | deployment formation body which concerns on 2nd embodiment of this invention. The perspective simplified view which shows the state which the 1st side plate 22, the 2nd side plates 123 * 123 and auxiliary | assistant side board 25 * 25 of the rear side with respect to the baseplate 21 stood up. The simplified perspective view which shows the state which inserted the 1st holding plate 171 in the 2nd engaging part 174 which is an insertion part, and connected the front connection flap 124 * 124. The figure which shows the state which penetrates the 1st holding | maintenance board 171 in the 2nd engaging part 174 which is an insertion part. (A) The figure which shows the engagement state of the 1st engagement part 173 and the 1st engagement piece 62 of the 1st holding plate 171, (B) The 2nd engagement part 174 and the 2nd engagement of the 2nd holding plate 172 The figure which shows an engagement state with the joining piece 63. FIG. The perspective simplified view which shows the packaging box 111 of a completion state. The top view of the packaging box 211 of the expansion | deployment formation body which concerns on 3rd embodiment of this invention. The perspective simplified view which shows the state which the 1st side plate 22, the 2nd side plates 123 * 123 and auxiliary | assistant side board 25 * 25 of the rear side with respect to the baseplate 21 stood up. The simplified perspective view which shows the state which inserted the 1st holding plate 271 in the 2nd engaging part 274 which is an insertion part, and connected the front connection flaps 124 * 124. The figure which shows the state which penetrates the 1st holding | maintenance board 271 in the 2nd engaging part 274 which is an insertion part. (A) The figure which shows the engagement state of the 2nd engagement part 274 and the 2nd engagement piece 63 of the 2nd holding plate 272, (B) The 1st engagement part 273 and the 1st engagement of the 1st holding plate 271 The figure which shows an engagement state with the joining piece 62. FIG. The perspective simplified view which shows the packaging box 211 of a completion state.

  Next, embodiments of the invention will be described with reference to the drawings.

[First embodiment]
The packaging box 11 according to the first embodiment of the present invention will be described.

  As shown in FIG. 1, the packaging box 11 according to the present embodiment covers the open portion at the top of the box body 12 with a lid plate 31 so that the lid plate 31 can be opened and closed, and the gripping portion 16 connected to the lid plate 31. It is an easy to carry paper box. The packaging box 11 is formed by assembling the box development formed body shown in FIG. The packaging box 11 is formed of cardboard such as paperboard or cardboard and stores articles such as confectionery. The packaging box 11 may be formed of a plate-like member using a resin material in addition to cardboard.

  In the following, for ease of explanation, the lower right side in FIG. 1 is the front side, and the upper left side is the rear side. Further, in the vertical direction, the packaging box 11 is assembled and placed with the bottom plate 21 facing down, and the bottom plate 21 side is set downward. Further, the left and right portions of the unfolded packaging body 11 appearing symmetrically will be mainly described. In addition, although the planar shape of the packaging box 11 of 1st embodiment is a rectangle, you may change into other shapes, such as a square.

  The part which comprises the box main body 12 of the packaging box 11 is demonstrated according to the packaging box 11 of the expansion | deployment formation body shown in FIG. FIG. 2 shows the inner surface of the packaging box 11 as the front side of the page.

  The bottom plate 21 is a part constituting the bottom of the packaging box 11 and is formed in a rectangular shape. A pair of first side plates 22, 22 constituting the front and rear side plates of the box body 12 are connected to the front and rear end edges (upper and lower end edges in the figure) of the bottom plate 21 via crease lines 41, 41, respectively. A pair of second side plates 23 and 23 constituting left and right side plates of the box body 12 are connected to the left and right end edges of the bottom plate 21 through crease lines 42 and 42, respectively. The second side plate 23 is formed with a folding fold line 45 that bisects the second side plate 23. The folding fold line 45 is formed from the rear corner of the bottom plate 21 to the open (free) end of the second holding plate 72 described later.

  Further, a pair of front flaps 24 and 24 are connected to the front end edges of the second side plates 23 and 23 via crease lines 43 and 43, respectively. Auxiliary side plates 25 and 25 are connected to the left and right edges of the rear first side plate 22 via connecting flap fold lines 44 and 44.

  Next, the part which comprises the top part of the packaging box 11 is demonstrated.

  The top portion is a portion for closing the opening at the top of the box body 12 and facilitating the carrying of the packaging box 11. The top part is composed of a lid part 13, a grip part 16 and a holding part 17.

  The lid plates 31 and 31 constituting the lid portion 13 are connected to end edges that are upper end edges of the first side plates 22 and 22 via lid plate fold lines 51 and 51, respectively. A grip plate 61 of the grip portion 16 is connected to the end edge of the cover plate 31 facing the cover plate fold line 51 via a handle plate fold line 52.

  The handle plate crease lines 52 and 52 are divided in the middle of the left and right, and lid plate pieces 31a and 31a are continuously provided from the lid plates 31 and 31 at the divided portions. The lid plate pieces 31a and 31a are formed by cuts that are cut so as to protrude toward the handle plates 61 and 61 from the handle plate fold lines 52 and 52. Therefore, the handle plate 61 is formed so that the upper side thereof is the handle portion via the handle plate crease lines 52 and 52 and the cover plate pieces 31a and 31a.

  Furthermore, the both sides of the handle plate 61 are formed with a hypotenuse 61a that is an end inclined at approximately 45 degrees with respect to the handle plate crease line 52, 52. A first engagement piece 62 and a second engagement piece 63 are disposed on the oblique side 61a so as to protrude outward. Further, the first engagement piece 62 is disposed below the second engagement piece 63 with an appropriate interval.

  Here, the engaging pieces (the first engaging piece 62 and the second engaging piece 63) of the gripping portion 16 are arranged symmetrically with respect to the center of the handle plate 61, and the handle plate 61 is a pair of front and rear (upper and lower in the drawing). A pair).

  On the other hand, the holding portion 17 is a pair of left and right portions that are connected to the end edge serving as the upper end edge of the second side plate 23 via the crease line 53. The holding portion 17 includes a first holding plate 71 and a second holding plate 72, and is formed by dividing a plate portion provided continuously with the second side plate 23 by a cut. Specifically, the holding portion 17 has a cut line (second engagement portion 74) cut into a substantially inverted “V” shape so as to protrude from the fold line 53 to the side above the fold line 53. It is formed by. The inside of the holding part 17 divided by this cut is the first holding plate 71 and the outside of the holding part 17 is the second holding plate 72. The first holding plate 71 and the second holding plate 72 are continuously connected to the second side plate 23 so as to be freely laid down.

  The first holding plate 71 is formed with a first engagement portion 73 with which the first engagement piece 62 is engaged and disengaged. In 1st embodiment, the shape of the 1st engaging part 73 is made into the slit shape which makes an up-down direction (illustration left-right direction) a longitudinal direction. The second holding plate 72 has a boundary edge with the first engaging portion 73 formed by a cut line, and the second engaging portion engages and disengages with the second engaging piece 63. 74.

  Next, the case where the packaging box 11 is assembled from the unfolded body to the semi-finished state will be described.

  As shown in FIG. 3, the auxiliary side plates 25 and 25 are folded so as to overlap the rear first side plate 22 by valley-folding the connecting flap fold lines 44 and 44 as shown in FIG. It is folded. Then, the left second side plate 23 is folded so as to overlap the bottom plate 21 by folding the left fold line 42. Then, by folding the fold line 45 for folding, the outer sides of the second side plate 23 on the left side are folded so as to overlap each other. Similarly, the second side plate 23 on the right side is also folded so as to overlap the bottom plate 21 by folding the crease line 42. Then, by folding the fold line 45 for folding, the outer surfaces of the second side plate 23 on the right side are folded so as to be in the state shown in FIG.

  Subsequently, the first side plate 22 on the rear side is folded to the bottom plate 21 side by folding the crease line 41. Therefore, the auxiliary side plate 25 folded to the rear first side plate 22 is disposed so as to overlap the inner surface of the second side plate 23 folded to the bottom plate 21. A side plate fixing portion 48 is formed at a portion where the second side plate 23 and the auxiliary side plate 25 are in contact with each other. By attaching a fixing means such as an adhesive to the side plate fixing portion 48, the second side plate 23 and the auxiliary side plate 25 are bonded and fixed, and the packaging box 11 is in a semi-finished state shown in FIG.

  Next, a procedure for assembling the folded packaging box 11 in a semi-finished state up to a finished product will be described.

  First, the rear first side plate 22, auxiliary side plates 25 and 25, and second side plates 23 and 23 are raised with respect to the bottom plate 21. Specifically, from the state in which the bottom plate 21 is directed upward, the first side plate 22 on the rear side is lifted and erected with respect to the bottom plate 21, whereby the auxiliary side plate 25 connected to the first side plate 22 on the rear side. 25 stands up with respect to the bottom plate 21.

  As the auxiliary side plates 25 and 25 stand up with respect to the bottom plate 21, the auxiliary side plates 25 and 25 and the second side plates 23 and 23 fixed by the side plate fixing portions 48 and 48 are shown in FIG. 6 from the folded state. It develops so that it may become a substantially identical plane. In this way, the three side plates (the rear first side plate 22, the auxiliary side plates 25 and 25, and the second side plates 23 and 23) can be raised with respect to the bottom plate 21.

  In a state where the three side plates stand up with respect to the bottom plate 21, the front portion and the upper portion of the packaging box 11 are in an open state. Therefore, when storing articles such as confectionery, the articles can be easily stored in the packaging box 11 from the front and upper open portions of the packaging box 11.

  After storing the articles, the front flaps 24 and 24 are folded back inward of the packaging box 11 by folding the crease lines 43 and 43 in a mountain. Further, as shown in FIG. 7, the first side plate 22 on the front side is raised with respect to the bottom plate 21 by folding the crease line 41.

  Next, the case where a top part is assembled is demonstrated.

  In the lid portion 13 connected to the first side plates 22 and 22, first, the lid plate crease lines 51 and 51 are valley-folded, and the handle plate crease lines 52 and 52 are further mountain-folded. -Superimpose so that the inner surface of 61 is in contact (see FIG. 1).

  At that time, the inner surface of one of the front and rear cover plate pieces 31 a is overlaid so as to come into contact with the outer surface of either the front or rear cover plate 31. The outer surface of either the front or rear lid plate piece 31 a is overlaid so as to contact the inner surface of either the front or rear lid plate 31. The lid plate pieces 31a and 31a are separated from the handle plates 61 and 61, whereby a handle portion is formed in the separation space.

  Subsequently, as shown in FIG. 8A, while applying a downward force to the gripping portion 16, the fold line 53 is valley-folded, and the first holding plate 71 is bent toward the handle plate 61 side. Then, the first engagement piece 62 is inserted into the first engagement portion 73 formed on the first holding plate 71. The first engagement piece 62 is a portion protruding from the oblique side 61a. The first engagement portion 73 of the first embodiment engages with the upper edge portion of the first engagement piece 62.

  Further, as shown in FIG. 8B, the fold line 53 is valley-folded, and the second holding plate 72 is bent toward the handle plate 61 side. At this time, since the second engagement piece 63 is located closer to the center side of the box body 12 than the first holding plate 71, the second holding plate 72 is the second boundary edge with the first holding plate 71. After passing the first holding plate 71 through the engaging portion 74, the second engaging piece 63 is inserted into the second engaging portion 74. The second engaging portion 74 engages with a groove formed by the second engaging piece 63 and the oblique side 61 a or an upper end edge of the second engaging piece 63.

  Therefore, as shown in FIG. 1, the grip plates 61 and 61 can hold the overlapped state, and can stably hold the upright state with respect to the lid plates 31 and 31.

  The procedure of holding the grip plates 61 and 61 by the first holding plate 71 and the second holding plate 72 is not limited to the above procedure, and the second engagement portion 74 and the second engagement piece 63 are connected. After the engagement, the first engagement portion 73 and the first engagement piece 62 may be engaged.

  Further, when the holding of the handle plates 61 and 61 by the first holding plate 71 and the second holding plate 72 is released, the order is reversed.

  First, the first holding plate 71 is bent to the outside of the packaging box 11 around the crease line 53. Then, the engagement between the first engagement piece 62 and the first engagement portion 73 is released, and the first engagement piece 62 is detached from the first engagement portion 73 of the first holding plate 71. Further, the second holding plate 72 is bent to the outside of the packaging box 11 with the crease line 53 as the center. Then, the engagement between the second engagement piece 63 and the second engagement portion 74 is released, and the second engagement piece 63 is detached from the second engagement portion 74 of the second holding plate 72.

  The procedure for releasing the holding of the handle plates 61 and 61 by the first holding plate 71 and the second holding plate 72 is not limited to the above procedure, and the second engagement piece 63 and the second engagement portion 74 are not limited to the above-described procedure. The engagement between the first engagement piece 62 and the first engagement portion 73 may be released after the engagement with is released.

  In addition, the first engagement piece 62 and the second engagement pieces 63 of the present embodiment are formed symmetrically on both ends of the handle plates 61 and 61, but the first engagement piece 62 and the second engagement piece 63 are not symmetrically formed. What is necessary is just the 1st engagement piece and the 2nd engagement piece which can be engaged / disengaged in the engaging part 73 and the 2nd engaging part 74. FIG. Further, instead of connecting the first holding plate 71 and the second holding plate 72 to the second side plate 23, the first holding plate 71 and the second holding plate 72 are connected to the end edge serving as the upper end edge of the auxiliary side plate 25. You may comprise.

  The packaging box 11 of the present embodiment is connected to at least one of the bottom plate 21, the pair of first side plates 22, the pair of second side plates 23, and the first side plate 22 that stand on the bottom plate 21. A pair of auxiliary side plates 25 standing on the bottom plate 21 on the inner side of the side plate 23, the box body 12 having an opening formed in the upper portion thereof, and the first side plate 22 being connected to the opening, and closing the opening. A pair of lid plates 31, a pair of handle plates 61 that stand up and overlap each other to form the gripping portion 16, and the second side plate 23 or the auxiliary side plate 25. By holding both ends of each handle plate 61, the lid plate 31 is held in a state of closing the opening, and by releasing the holding of both ends of each handle plate 61, the lid plate 31. A holding box 17 that enables the opening of the packaging box, A first engagement piece 62 and a second engagement piece 63 are formed at both end edges of the handle plate 61, respectively, and each holding portion 17 has a first engagement piece 62 engaged and disengaged. A first holding plate 71 having one engaging portion 73 and a second holding plate 72 having a second engaging portion 74 with which the second engaging piece 63 is engaged and disengaged, and the first holding plate The plate 71 and the second holding plate 72 are connected to either the second side plate 23 or the auxiliary side plate 25 so as to be freely laid down.

  By configuring in this way, the first holding plate 71 is independently engaged with the first engaging piece 62 and the second holding plate 72 is independently engaged with the second engaging piece 63, and further independently falls down. The tensile strength with respect to the first engagement piece 62 and the second engagement piece 63 by the first holding plate 71 and the second holding plate 72 is improved, and the standing state of the grip portion 16 with respect to the lid plate 31 can be reliably held. it can.

  In the packaging box 11 of this embodiment, the first engaging piece 62 and the second engaging piece 63 are insertion pieces, and the first engaging piece 73 is inserted through the first engaging piece 73. The second engagement portion 74 is an engagement hole or engagement slit through which the second engagement piece 63 is inserted.

  By comprising in this way, the 1st engaging piece 62 and the 2nd engaging piece 63 can use the 1st engaging part 73 and the 2nd engaging part 74 which each penetrate as an engaging hole or an engaging slit suitably. By changing, it is possible to adjust the balance of required fixing strength and ease of opening.

[Second Embodiment]
A packaging box 111 according to a second embodiment of the present invention will be described.

  A portion constituting the packaging box 111 will be described in accordance with the packaging box 111 of the development formed body shown in FIG. FIG. 9 shows the surface on the inner side of the packaging box 111 as the front side of the page. In addition, suppose that description is abbreviate | omitted about the same part as 1st embodiment.

  A pair of second side plates 123 and 123 constituting left and right side plates of the box body 112 are connected to the left and right end edges of the bottom plate 21 through crease lines 42 and 42, respectively. Further, a pair of front connecting flaps 124 and 124 are connected to the front end edges of the second side plates 123 and 123 via crease lines 143 and 143, respectively. Front locking cuts 124a and 124b are formed at the open ends of the front connecting flaps 124 and 124, respectively.

  Next, the description will be focused on the holding portion 117 of the packaging box 111.

  A first holding plate 171 constituting a part of the holding portion 117 is connected to an end edge serving as an upper end edge of the second side plate 123 via a crease line 153. The first holding plate 171 is generally triangular as a whole. The first holding plate 171 is substantially triangular in the second embodiment, but may be formed in a rectangular or other polygonal shape. A first engagement portion 173 to which the first engagement piece 62 is engaged and disengaged is formed inside the first holding plate 171. In 2nd embodiment, the shape of the 1st engaging part 173 is formed by opening in a substantially triangular shape.

  A second holding plate 172 constituting a part of the holding portion 117 is connected to the end edge serving as the upper end edge of the auxiliary side plate 25 via the fold lines 54 and 54. The second holding plate 172 is formed with a second engagement portion 174 to which the second engagement piece 63 is engaged and disengaged. The second engagement portion 174 is formed as an opening having a size that allows the first holding plate 171 to be inserted, and is an insertion portion into which the first holding plate 171 is inserted and removed. Therefore, the second engaging portion 174 is formed with an opening that is substantially the same as or slightly larger than the first holding plate 171. On the inner peripheral edge of the second engaging portion 174, convex pieces 76, 76 projecting toward the opening side through the crease lines 75, 75 are formed.

  Next, a procedure for assembling the unfolded packaging box 111 to the finished body will be described.

  First, the rear first side plate 22, auxiliary side plates 25 and 25, and second side plates 123 and 123 are raised with respect to the bottom plate 21 so that the state shown in FIG. 9 is changed to the state shown in FIG. Specifically, the auxiliary side plates 25 and 25 are bent substantially perpendicularly to the rear first side plate 22 by valley-folding the connecting flap crease lines 44 and 44. Then, the first side plate 22 on the rear side stands up with respect to the bottom plate 21 by folding the crease line 41 in a valley. As a result, the auxiliary side plates 25 and 25 connected to the rear first side plate 22 stand up with respect to the bottom plate 21. Further, the second side plate 123 rises with respect to the bottom plate 21 by valley-folding the crease line 42.

  Then, as shown in FIGS. 12A and 12B, the second holding plate 172 connected to the auxiliary side plate 25 is folded outside the box body 112 by folding the crease lines 54 and 54 (FIG. 11). reference). Then, the first holding plate 171 connected to the second side plate 123 is inserted into the second engagement portion 174 (insertion port) formed in the second holding plate 172. At this time, the convex pieces 76, 76 protruding from the inner peripheral edge of the second engaging portion 174 to the opening side are pressed by the first holding plate 171 and bent toward the inner side of the box body 112 while bending the crease line 75. It can be bent. Further, as shown in FIGS. 12B and 12C, when the second holding plate 172 is bent to the outside of the box body 112, the contact between the convex pieces 76 and 76 and the first holding plate 171 is eliminated and bent. The convex pieces 76 and 76 substantially return to the state before contacting the first holding plate 171, and the first holding plate 171 is inserted into the second engaging portion 174 which is an insertion port.

  As shown in FIGS. 11 and 12C, the first holding plate 171 is arranged inside the box body 112 and the second holding plate 172 is arranged outside the box body 112, so that the second holding plate 172 has a fold line 54. Even when trying to return to the state before being bent at 54, the convex pieces 76 and 76 come into contact with the first holding plate 171, so that the first holding plate 171 falls off from the insertion port (second engaging portion 174). There is no. Due to the engagement between the convex pieces 76 and 76 of the second engagement portion 174 and the first holding plate 171, the second side plate 123 and the auxiliary side plate 25 which are not fixed by the fixing means are in a stable state with respect to the bottom plate 21. Retained. In this manner, the three side plates (the rear first side plate 22, the auxiliary side plates 25 and 25, and the second side plates 123 and 123) can be raised with respect to the bottom plate 21.

  As shown in FIG. 11, the front connection flaps 124, 124 connected to the second side plates 123, 123 are folded substantially at right angles to the second side plates 123, 123 by folding the fold lines 143, 143. In this way, it is bent into the inside of the packaging box 111. Further, the left and right front coupling flaps 124 and 124 are connected by inserting front locking cuts 124a and 124b formed at the respective free ends. Thereafter, the first side plate 22 on the front side is raised with respect to the bottom plate 21 by folding the crease line 41 in a valley.

  Next, the case where a top part is assembled is demonstrated.

  In the lid portion 13 connected to the first side plates 22 and 22, first, the lid plate crease lines 51 and 51 are valley-folded, and the handle plate crease lines 52 and 52 are further mountain-folded. -Superimpose so that the inner surface of 61 contacts (refer FIG. 14).

  Subsequently, as shown in FIG. 13A, the first holding plate 171 is bent toward the handle plate 61 by folding the crease line 153 while applying a downward force to the grip portion 16. Then, the first engagement piece 62 is inserted into the first engagement portion 173 formed on the first holding plate 171. Therefore, the grip plates 61 and 61 are restricted from moving in the vertical direction and the front-rear direction by the engagement between the first engagement portion 173 of the first holding plate 171 and the first engagement piece 62, and overlapped. Can be held.

  Furthermore, as shown in FIG. 13B, the second holding plate 172 is bent toward the handle plate 61 by folding the crease lines 54 and 54. At this time, the convex pieces 76 and 76 are pressed against the first holding plate 171 and the crease lines 75 and 75 are bent, whereby the convex pieces 76 and 76 are bent to the outside of the box body 112. And the 1st holding | maintenance board 171 falls from the 2nd engagement part 174 which is an insertion port, and those engagement relations are cancelled | released. Then, the second holding plate 172 is positioned inside the box body 112 with respect to the first holding plate 171, and the second engaging portion 174 of the second holding plate 172 engages with the second engaging piece 63.

  Accordingly, the grip plates 61 and 61 are moved in the front-rear direction in addition to the engagement between the first engagement portion 173 of the first holding plate 171 and the first engagement piece 62, and the second engagement of the second holding plate 172. It is regulated by the engagement between the joint portion 174 and the second engagement piece 63, and can stably hold the upright state with respect to the cover plates 31 and 31 (see FIG. 14).

  The procedure of holding the grip plates 61 and 61 by the first holding plate 171 and the second holding plate 172 is not limited to the above procedure, and the second engaging portion 174 and the second engaging piece 63 are connected to each other. After the engagement, the first engagement portion 173 and the first engagement piece 62 may be engaged.

  Further, when releasing the holding of the grip plates 61 and 61 by the first holding plate 171 and the second holding plate 172, the reverse order of the assembly is performed.

  First, the second holding plate 172 is bent to the outside of the packaging box 111 around the crease lines 54 and 54. Then, the engagement between the second engagement piece 63 and the second engagement portion 174 is released, and the second engagement piece 63 is detached from the second engagement portion 174 of the second holding plate 172. Further, when the second holding plate 172 is bent to the outside of the packaging box 111, the first holding plate 171 engaged with the first engaging portion 173 comes into contact with the convex pieces 76 and 76, and the crease line 75. The convex pieces 76 and 76 are bent inward of the packaging box 111 around 75. Further, when the second holding plate 172 is bent to the outside of the packaging box 111, the first holding plate 171 is inserted into the second engaging portion 174 that is an insertion port formed in the second holding plate 172. By doing in this way, even if it is in the state by which engagement with the 1st engagement part 173 and the 1st engagement piece 62 and the 2nd engagement part 174 and the 2nd engagement piece 63 was cancelled | released, it is the bottom plate 21. On the other hand, the second side plate 123 and the auxiliary side plate 25 are in a stable standing state. Then, one first holding plate 171 is bent outward from the packaging box 111 with the fold line 153 as the center. Then, the engagement between the first engagement piece 62 and the first engagement portion 173 is released, and the first engagement piece 62 is detached from the first engagement portion 173 of the first holding plate 171.

  The procedure for releasing the holding of the handle plates 61 and 61 by the first holding plate 171 and the second holding plate 172 is not limited to the above procedure, and the first engagement piece 62 and the first engagement portion 173 are not limited to the above-described procedure. The engagement between the second engagement piece 63 and the second engagement portion 174 may be released after the engagement with is released.

[Third embodiment]
A packaging box 211 according to a third embodiment of the present invention will be described.

  A portion constituting the packaging box 211 will be described in accordance with the packaging box 211 of the developed and formed body shown in FIG. FIG. 15 shows the inner surface of the packaging box 211 as the front side of the page. In addition, suppose that description is abbreviate | omitted about the same part as 1st embodiment and 2nd embodiment.

  The packaging box 211 of the third embodiment is different from the packaging box 111 of the second embodiment in the location where the first holding plate 171 and the second holding plate 172 are connected.

  A first holding plate 271 constituting a part of the holding portion 217 is connected to an end edge serving as an upper end edge of the auxiliary side plate 25 via a crease line 154. The first holding plate 271 has a substantially triangular shape as a whole. The first holding plate 271 is substantially triangular in the third embodiment, but may be formed in a rectangular shape or other polygonal shapes. A first engagement portion 273 with which the first engagement piece 62 is engaged and disengaged is formed inside the first holding plate 271. In 3rd embodiment, the shape of the 1st engaging part 273 is formed by opening in a substantially triangular shape.

  A second holding plate 272 constituting a part of the holding portion 217 is connected to the end edge serving as the upper end edge of the second side plate 123 via the crease lines 253 and 253. The second holding plate 272 is formed with a second engagement portion 274 to which the second engagement piece 63 is engaged and disengaged. The second engaging portion 274 is formed as an opening having a size that allows the first holding plate 271 to be inserted, and serves as an insertion portion into which the first holding plate 271 is inserted and removed. Accordingly, the second engagement portion 274 is formed with an opening that is substantially the same as or slightly larger than the first holding plate 271. Convex pieces 176 and 176 are formed on the inner periphery of the second engaging portion 274 so as to protrude toward the opening side through the crease lines 175 and 175.

  Next, the procedure for assembling the unfolded packaging box 211 to the finished product will be described.

  First, the rear first side plate 22, auxiliary side plates 25 and 25, and second side plates 123 and 123 are raised with respect to the bottom plate 21 so that the state shown in FIG. 15 is changed to the state shown in FIG. Specifically, the auxiliary side plate 25 is bent substantially perpendicularly to the rear first side plate 22 by valley-folding the connecting flap crease lines 44 and 44. Then, the first side plate 22 on the rear side stands up with respect to the bottom plate 21 by folding the crease line 41 in a valley. As a result, the auxiliary side plates 25 and 25 connected to the rear first side plate 22 stand up with respect to the bottom plate 21. Further, the second side plate 123 rises with respect to the bottom plate 21 by valley-folding the crease line 42.

  Then, the first holding plate 271 connected to the auxiliary side plate 25 is connected to the second side plate 123 from the state shown in FIG. 18A to the state shown in FIG. The second holding plate 272 is inserted into a second engagement portion 274 that is an insertion port. At this time, the convex pieces 176 and 176 are pressed by the first holding plate 271, folded at the crease line 175, and bent in the insertion direction of the first holding plate 271 (outside the box body 112).

  Then, as shown in FIG. 18C from the state shown in FIG. 18B, when the first holding plate 271 is inserted into the second engaging portion 274 that is the insertion port, the first holding plate 271 is bent by the force of the paper. Try to return to the previous state. However, the first holding plate 271 does not fall off from the second engaging portion 274 that is the insertion port when the first holding plate 271 contacts the convex pieces 176 and 176. The second side plate 123 and the auxiliary side plate that are connected to the second engagement portion 274 that is the insertion port and the first holding plate 271 and are not fixed by the fixing means as shown in FIG. 25 is held in a stable state with respect to the bottom plate 21. In this manner, the three side plates (the rear first side plate 22, the auxiliary side plates 25 and 25, and the second side plates 123 and 123) can be raised with respect to the bottom plate 21.

  After the articles are stored, as shown in FIG. 17, the front connection flaps 124 and 124 connected to the second side plates 123 and 123 fold the crease lines 143 and 143 into the second side plates 123 and 123. On the other hand, it is bent inward of the packaging box 211 so as to be substantially perpendicular. Further, the left and right front coupling flaps 124 and 124 are connected by inserting front locking cuts 124a and 124b formed at the respective free ends. The first side plate 22 on the front side is raised with respect to the bottom plate 21 by folding the crease line 41 in a valley.

  Next, the case where a top part is assembled is demonstrated.

  In the lid portion 13 connected to the first side plates 22 and 22, first, the lid plate crease lines 51 and 51 are valley-folded, and the handle plate crease lines 52 and 52 are further mountain-folded. -It superimposes so that the inner surface of 61 may mutually contact (refer FIG. 20).

  Subsequently, as indicated by an arrow in FIG. 19A, the fold lines 253 and 253 are folded down while applying a downward force to the gripping portion 16, and the second holding plate 272 is bent toward the handle plate 61 side. Then, the second engagement piece 63 is inserted into the second engagement portion 274 formed on the second holding plate 272. Therefore, the grip plates 61 and 61 are restricted from moving in the front-rear direction by the engagement between the second engagement portion 274 and the second engagement piece 63 of the second holding plate 272, and hold the overlapped state. Can do.

  Further, as shown in FIG. 19B, the fold line 154 is valley-folded, and the first holding plate 271 is bent toward the handle plate 61 side. The first engagement portion 273 of the first holding plate 271 engages with the first engagement piece 62. Then, the first engagement piece 62 is inserted into the first engagement portion 273 formed on the first holding plate 271.

  Accordingly, as shown in FIG. 20, the grip plates 61 and 61 are moved in the front-rear direction in addition to the engagement between the second engagement portion 274 and the second engagement piece 63 of the second holding plate 272, It is regulated by the engagement between the first engagement portion 273 of the plate 271 and the first engagement piece 62, and can stably hold the upright state with respect to the lid plates 31 and 31.

  The procedure of holding the grip plates 61 and 61 by the first holding plate 271 and the second holding plate 272 is not limited to the above procedure, and the first engaging portion 273 and the first engaging piece 62 are connected to each other. After the engagement, the second engagement portion 274 and the second engagement piece 63 may be engaged.

  Further, when releasing the holding of the handle plates 61 and 61 by the first holding plate 271 and the second holding plate 272, the reverse order of the assembly is performed.

  First, the first holding plate 271 is bent to the outside of the packaging box 211 around the crease line 154. Then, the engagement between the first engagement piece 62 and the first engagement portion 273 is released, and the first engagement piece 62 is detached from the first engagement portion 273 of the first holding plate 271. Further, the second holding plate 272 is bent to the outside of the packaging box 211 around the crease lines 253 and 253. Then, the engagement between the second engagement piece 63 and the second engagement portion 274 is released, and the second engagement piece 63 is detached from the second engagement portion 274 of the second holding plate 272.

  The procedure for releasing the holding of the handle plates 61 and 61 by the first holding plate 271 and the second holding plate 272 is not limited to the above procedure, and the second engagement piece 63 and the second engagement portion 274 are not limited to the above-described procedure. The engagement between the first engagement piece 62 and the first engagement portion 273 may be released after the engagement with is released.

The packaging boxes 111 and 211 of this embodiment are
A bottom plate 21, a pair of first side plates 22, a pair of second side plates 123, and a pair of second side plates 123 standing on the bottom plate 21, and standing on the bottom plate 21 inside the second side plate 123. A box body 112 having a pair of auxiliary side plates 25 having an opening at the top,
A pair of lid plates 31 connected to the first side plate 22 and closing the opening;
A pair of handle plates 61 that stand up and overlap each other to form the gripping portion 16;
By connecting to the second side plate 123 or the auxiliary side plate 25 and holding both ends of each handle plate 61, the lid plate 31 maintains a state of closing the opening, and each handle plate 61 A holding box 117 that enables opening of the lid plate 31 by releasing the holding of both ends of the packaging box 111,
A first engagement piece 62 and a second engagement piece 63 are formed on both edges of the handle plate 61, respectively.
Each holding part 117 is
A first holding plate 171 having a first engagement portion 173 with which the first engagement piece 62 is engaged and disengaged;
A second holding plate 172 having a second engagement portion 174 with which the second engagement piece 63 engages and disengages,
The first holding plate 171 is connected to one of the second side plate 123 or the auxiliary side plate 25 so as to be freely laid down,
The second holding plate 172 is connected to the other of the second side plate 123 or the auxiliary side plate 25 so as to be freely laid down.

  With this configuration, the first holding plate 171 and 271 and the second holding plate 172 and 272 cause the tensile load on the first engagement piece 62 and the second engagement piece 63 to be applied to the second side plate 123 and the auxiliary side plate 25. To be distributed. Therefore, the tensile strength by the first holding plates 171 and 271 and the second holding plates 172 and 272 is improved, and the standing state of the grip portion 16 with respect to the lid plate 31 can be reliably held.

In the packaging boxes 111 and 211 of this embodiment,
The second holding plates 172 and 272 have insertion portions formed by openings or slits,
The first holding plates 171 and 271 are inserted into the insertion portion.

  By comprising in this way, the 1st holding | maintenance board 171 * 271 and the 2nd holding | maintenance board 172 * 272 can be engaged. Therefore, the second side plate 123, the auxiliary side plate 25, and the first side plate 22 connected to the auxiliary side plate 25 are kept upright with respect to the bottom plate 21 without attaching a fixing means for fixing the second side plate 123 and the auxiliary side plate 25. Work efficiency can be improved and costs can be reduced.

  In the packaging boxes 111 and 211 of the present embodiment, the insertion portions are the second engagement portions 174 and 274, respectively.

  With this configuration, the first holding plates 171 and 271 can be inserted into the second engaging portions 174 and 274 without separately forming an insertion portion on the second holding plate 172, and the second engaging piece 63 can be inserted. Can also be engaged. The second holding plates 172 and 272 can be made stronger than when the insertion portion and the second engagement portions 174 and 274 are formed separately.

  In the packaging boxes 111 and 211 of the present embodiment, the insertion portion has a protruding piece 76 that protrudes toward the opening side at the periphery.

  With this configuration, even if the first holding plates 171 and 271 return to the state before insertion after the first holding plates 171 and 271 are inserted through the second holding plates 172 and 272, the convex pieces 76 and The movement can be prevented by touching.

DESCRIPTION OF SYMBOLS 11 Packaging box 12 Box main body 13 Cover part 16 Holding part 17 Holding part 21 Bottom plate 22 First side plate 23 Second side plate 24 Front flap 25 Auxiliary side plate 31 Cover plate 31a Cover plate piece 41 Fold line 42 Fold line 43 Fold line 44 Connection Flap crease line 45 Fold crease line 48 Side plate fixing part 51 Lid plate crease line 52 Handle plate crease line 53 crease line 54 crease line 61 handle plate 61a hypotenuse 62 first engagement piece 63 second engagement piece 71 first holding Plate 72 Second holding plate 73 First engaging portion 74 Second engaging portion 75 Fold line 76 Convex piece 111 Packaging box 112 Box body 117 Holding portion 123 Second side plate 124 Front connecting flap 124a Front locking cut 124b Front Locking cut 143 Fold line 153 Fold line 154 Fold line 171 First holding plate 172 Second holding plate 173 First engagement portion 174 Second engagement portion 175 Fold line 1 76 convex piece 211 packaging box 217 holding portion 253 crease line 271 first holding plate 272 second holding plate 273 first engaging portion 274 second engaging portion

Claims (6)

A pair of first side plates and a pair of second side plates standing on the bottom plate, a pair of auxiliary side plates standing on the bottom plate inside the second side plate and connected to at least one of the first side plates; A box body having an opening at the top, and
A pair of lid plates connected to the first side plate and closing the opening;
A pair of handle plates that stand up against each lid plate and are superimposed to form a gripping portion;
By connecting to the second side plate or the auxiliary side plate and holding both ends of each handle plate, the lid plate keeps the state of closing the opening and holds both ends of each handle plate. A holding portion that enables the opening of the lid plate by releasing the, and a packaging box comprising:
A first engagement piece and a second engagement piece are formed on both ends of the handle plate,
Each holding part is
A first holding plate having a first engagement portion with which the first engagement piece engages and disengages,
A second holding plate having a second engagement portion with which the second engagement piece engages and disengages,
The packaging box, wherein the first holding plate and the second holding plate are connected to either the second side plate or the auxiliary side plate so as to be freely laid down. A pair of first side plates and a pair of second side plates standing on the bottom plate, a pair of auxiliary side plates standing on the bottom plate inside the second side plate and connected to at least one of the first side plates; A box body having an opening at the top, and
A pair of lid plates connected to the first side plate and closing the opening;
A pair of handle plates that stand up against each lid plate and are superimposed to form a gripping portion;
By connecting to the second side plate or the auxiliary side plate and holding both ends of each handle plate, the lid plate keeps the state of closing the opening and holds both ends of each handle plate. A holding portion that enables the opening of the lid plate by releasing the, and a packaging box comprising:
A first engagement piece and a second engagement piece are formed on both ends of the handle plate,
Each holding part is
A first holding plate having a first engagement portion with which the first engagement piece engages and disengages,
A second holding plate having a second engagement portion with which the second engagement piece engages and disengages,
The first holding plate is connected to one of the second side plate and the auxiliary side plate so as to be freely laid down,
The packaging box, wherein the second holding plate is continuously connected to the other of the second side plate or the auxiliary side plate. The second holding plate has an insertion portion formed by an opening or a slit,
The packaging box according to claim 2, wherein the first holding plate is inserted into the insertion portion.   The packaging box according to claim 3, wherein the insertion portion is the second engagement portion.   5. The packaging box according to claim 3, wherein the insertion portion has a protruding piece projecting toward an opening at a peripheral edge thereof. The first engagement piece and the second engagement piece are insertion pieces,
The first engagement portion is an engagement hole or an engagement slit through which the first engagement piece is inserted,
The packaging box according to any one of claims 1 to 5, wherein the second engagement portion is an engagement hole or an engagement slit through which the second engagement piece is inserted. .

Images