JP3114384U - Equipment storage wall structure in packaging box - Google Patents

Abstract

The present invention provides an equipment storage wall structure in a packaging box capable of easily and reliably storing and holding cold insulation materials and other equipment.
SOLUTION: Peripheral walls 3a, 3b, 4a, 4b that stand adjacent to each other are connected to each side of the outer periphery of a plate member comprising a polygonal bottom plate 2 or top plate 6 having a corner angle in plan view. And the inner peripheral walls 29, 59a, 59b are continuously provided so as to be folded inwardly at the free ends of the peripheral walls, and belt-shaped contact flaps 30, 61a, 61b that are bent and fixed along the inner surface of the plate member are provided, A fixture storage space for storing and holding the cold insulating material 91 and other fixtures was formed between the inner surface of the peripheral wall. Moreover, the edge part 12,54a, 54b of the width | variety corresponded to frame width was provided between the surrounding wall and the inner peripheral wall, and the ventilation hole 31 which enables ventilation | gas_flowing with the inner side of a packaging box was formed in the inner peripheral wall.
[Selection] Figure 2

Description

  The present invention relates to a packaging box that accommodates items such as cakes, and more particularly to an equipment storage wall structure in a packaging box that accommodates cold insulation materials, candles, display plates, and other accessories.

As a conventional packaging box for storing a cold insulation material or the like, the strips 30 and 31 are connected in a foldable manner on the extension of the left and right front flaps, the strips 30 and 31 are passed from both sides, and the difference is made at two points. A packaging box that forms a housing portion by enclosing is known (for example, see Patent Document 1).
A locking part that overlaps the peripheral walls of the packaging box and inserts a locking piece provided on one peripheral wall in the overlapping part into a locking hole provided on the other peripheral wall, and locks and joins both peripheral walls. The locking structure in the packaging box provided with is known (for example, refer to Patent Document 2).
Registered Utility Model No. 3075525 (FIG. 3) Registered Utility Model No. 3087646 (FIG. 1)

  However, in the example shown in FIGS. 1 to 6 of Patent Document 1, the folding work of the folds 36, 37, 38, 39 formed on the strip 30 is complicated and formed on the strips 30, 31. The locking work by the cuts 32, 34, 33, and 35 must be performed by passing the strips 30 and 31 from both sides and inserting and locking them at two locations, which complicates on-site operations such as storefronts. There was a problem.

Further, in Patent Document 2, although the peripheral walls can be securely fixed by inserting and locking the locking pieces of one peripheral wall into the locking holes of the other peripheral wall in the overlapping portion of the peripheral walls, Since there is little space to put fingers and nails between the locked locking piece and the peripheral wall, it takes time to release the engaging part after the consumer who bought the cake at the store etc. returns home, There was a problem of damaging the nails.
The present invention is intended to solve or improve these problems.

  The equipment storage wall in the packaging box of the present invention for solving the above-mentioned problems is firstly arranged on each side of the outer periphery of a plate member comprising a polygonal bottom plate 2 or top plate 6 having a corner angle in plan view. Inner peripheral walls 29, 56a, 56b continuously provided so as to be folded inward at the free ends of the peripheral walls 3a, 3b, 4a, 4b in a packaging box in which adjacent peripheral walls 3a, 3b, 4a, 4b are continuously provided. And belt-shaped contact flaps 30, 57a, 57b which are bent and fixed along the inner surface of the plate member, and the cold insulation material 91 and the like are provided between the inner surfaces of the peripheral walls 3a, 3b, 4a, 4b. A feature is that a fixture storage space for storing and holding fixtures is formed.

  Second, it is characterized in that edge portions 12, 54a, 54b having a width corresponding to the frame width are provided between the peripheral walls 3a, 3b, 4a, 4b and the inner peripheral walls 29, 56a, 56b.

  Third, the inner peripheral walls 29, 56a, and 56b are formed with vent holes 31 that allow ventilation with the inside of the packaging box 1.

  Fourth, the edge 12, 54a, 54b or the inner peripheral wall 29, 56a, 56b is formed with a charging hole 33 for charging the cold insulation material 51 and other equipment.

  Fifth, in order to take out the cold insulation material 91 and other fixtures from the fixture storage space, an opening lid 59 that can be opened after completion of assembly or a cutoff lid that can be cut off after completion of assembly is provided.

  Sixth, a front end flap 16a that can be bent in an angle inward at the front end of another peripheral wall 4a, 4b adjacent to both ends of the front wall 3a, which is one of the peripheral walls 3a, 3b, 4a, 4b. , 16b, and locking claws 13a, 13b projectingly formed at the upper ends of the connecting base end portions of the front end flaps 16a, 16b at both ends of the fold between the front wall 3a and the edge portion 12. When the notches 14a and 14b are formed and the front wall 3a and the left and right side walls 4a and 4b are raised, the locking claws 13a and 13b are inserted into the notches 14a and 14b from both the left and right sides of the front wall 3a. It is characterized in that an engaging portion for holding the standing state is provided.

  Seventh, a top plate 6 constituting a lid with a lid front wall 8 is foldably connected to the upper end of the peripheral wall 3b on the back side, and the front wall 3a is connected to the front wall 3a from the outer peripheral surface side of the lid front wall 8 when the lid is closed. The locking piece 21 with the claw portion 22 that retains the closed state by being inserted into and locked with the locking hole 23 provided in the lid front wall 8 is formed by cutting the locking piece 21 with the claw portion 22. In the closed state in which 21 is inserted and locked with respect to the locking hole 23, the operation hole 25 for pushing and swinging the locking piece 21 to release the locking piece 21 from the locking hole 23 and hooking the locking piece 21 is provided. It is characterized in that it is formed by cutting off the lid front wall 8.

  Eighth, it is possible to bend the pleated connecting pieces 53a, 53b that connect the adjacent walls via the ridges 52a, 52b of the mountain line provided in the middle between the adjacent peripheral walls 3a, 4a, 3b, 4b. The connecting pieces 53a and 53b are connected to and fixed to the inner surfaces of the peripheral walls 3a and 3b adjacent to one side of the folds 52a and 52b, and the bending portions are turned via the folds 52a and 52b. The movable piece 56a, 56b is a movable piece 56a, 56b, and the upper end of the connecting piece 53a, 53b is fixed to the upper end of the peripheral wall 3a, 3b, and the upper end of the connecting piece 53a, 53b is folded and held in an upright state. The protrusions 68a and 68b inserted into the gaps S formed between the inner peripheral walls 59a and 59b and the connecting pieces 53a and 53b that are folded and held are locked and fixed. of It is characterized in that it is protruded end.

Ninth, the gap S has a front-rear width t ₂ of the inner peripheral walls 59a, 59b folded back to the inner surface side of the peripheral walls 4a, 4b via the edges 58a, 58b with respect to the front-rear width t ₁ of the peripheral walls 4a, 4b. It is characterized by being provided by being narrowly formed.

According to the equipment storage wall in the packaging box of the present invention configured as described above, the following effects can be obtained.
(1) An equipment storage space for connecting and holding a cold insulation material and other equipment between the inner wall of the front wall by connecting the inner peripheral wall to the upper end of the peripheral wall in a foldable manner and bending the inner peripheral wall inward. As a result, it is possible to store and hold cold insulation materials and other equipment easily and reliably, and the inner wall is turned inside and the peripheral wall is doubled to increase the strength of the peripheral wall. it can.

(2) Since the equipment storage space corresponding to the width and height of the peripheral wall can be secured, it is possible to store and hold equipment having a length and width. It is also possible to accommodate and hold thick fixtures by changing the width of the edge.

(3) Since the plate-like shipping state has the same area as a conventional product that does not have equipment storage space, it is not necessary to secure a new storage space at the shop floor or the like. In addition, the inner peripheral wall has a structure in which a contact flap is continuously provided on the free end side thereof, and the contact flap is bonded and fixed to the bottom plate in advance, so that the equipment housing space can be formed only by standing work of the peripheral wall. The workability can be improved.

(4) Since a charging hole is provided in the edge or inner peripheral wall, it is possible to easily input a cold insulation material or other equipment, and a ventilation hole is formed in the inner peripheral wall, so that the cooling efficiency for the contents such as cake can be improved. it can. In addition, by forming an opening lid that can be opened after the assembly is completed or a cutting lid that can be cut off on the inner peripheral wall, it is possible to easily take out the cold insulation material and other equipment.

(5) A locking claw is formed at the upper end of the connecting base end portion of the front end flap, a notch is formed at both ends of the fold between the front wall and the edge portion, and the front wall and the left and right side walls are erected. In this case, since the engaging claw is inserted from both the left and right sides of the front wall into the notch, an engaging portion that holds the standing state is provided, so that the equipment storage space is ensured and the standing state of the front wall and the left and right side walls is maintained. It can be easily held.

(6) In the closed lid structure in which the overlapped front wall and lid front wall are locked and fixed by the locking pieces and the locking holes, an operation for releasing the locking pieces from the locking holes and releasing them from the locking holes. By forming the hole without cutting, it is possible to put a finger into the operation hole and hang a finger or a nail on the upper end of the locking piece, and to easily release the locking piece inserted and locked into the locking hole. it can.

(7) As shown by the equation of t ₁ −t ₂ = 2S, since gaps are formed at the front and rear ends of the inner peripheral wall, the folded connection pieces and the protrusions formed to protrude from both ends of the presser pieces Can be easily accommodated. In addition, since the protrusion is inserted into the gap and locked and fixed, there is no need to bond and fix the movable part of the presser piece with an adhesive or the like. Can proceed.

  A first embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view after assembling the box, FIG. 2 is a perspective view showing the middle of the box assembly, and FIG.

  The packaging box 1 includes a main body 1a and a lid 1b. The main body 1a is connected to a square or rectangular bottom plate 2 as peripheral walls such that front and rear walls 3a, 3b and left and right side walls 4a, 4b can be bent upright. The lid 1b has a square or rectangular top plate 6 which is connected to the extension of the rear wall 3b so that it can be bent. The left and right lid side walls 7 and the lid front wall 8 are bent at the left and right ends and the front end of the top plate 6. It is connected continuously. Adhesive pieces 9 are connected to the left and right ends of the lid front wall 8 so as to be foldable. The left and right lid side walls 7 and the lid front wall 8 form a lid peripheral wall of the lid 1b, and are opened and closed to the main body 1a. The lid 1b is configured.

  Upper flaps 11a and 11b are connected to the upper ends of the left and right side walls 4a and 4b so as to be bendable, and front end flaps 16a and 16b overlapping the inner surface of the standing front wall 3a are connected to the front end of the upper flaps 11a and 11b. An edge 12 is provided at the upper end of the front wall 3a. Locking claws 13a and 13b project from the upper ends of the connecting base end portions of the front end flaps 16a and 16b, and cuts 14a and 14b are formed at both ends of the fold between the front wall 3a and the edge portion 12. .

  When the front end flaps 16a and 16b are bent inwardly at an angle to raise the front wall 3a, there are provided engaging portions into which the locking claws 13a and 13b are inserted and engaged with the cuts 14a and 14b. And it is the structure which hold | maintains the standing state of the front wall 3a and the right-and-left side walls 4a and 4b while forming the peripheral part for lid receiving which reinforces the upper end of each surrounding wall.

  A locking hole 17 is formed in the fold between the bottom plate 2 and the left and right side walls 4a and 4b, and joining flaps 18 are connected to the left and right ends of the rear wall 3b so as to be bendable. When the packaging box 1 is in the assembled state, a locking claw 19 that is fitted and locked to the locking hole 17 at the front lower end side of the joining flap 18 and holds the standing state of the left and right side walls 4a and 4b and the rear wall 3b protrudes. Is formed.

  A substantially T-shaped locking piece 21 is left uncut and formed at the upper end position in the approximate center of the front wall 3a. A claw portion 22 is formed on the locking piece 21 at the upper left and right ends. The locking piece 21 is configured to be bendable through a fold line 21a. On the lid front wall 8 of the lid 1b, a C-shaped locking hole 23 is formed at a position corresponding to the claw portion 22 of the locking piece 21, and an upper portion (on the top plate 6 side) of the locking hole 23 is formed. An operation hole 25 to be described later is formed uncut. When the lid 1b is fitted and closed with respect to the main body 1a, the lid front wall 8 is inserted between the front wall 3a and the locking piece 21, and the claw portion 22 of the locking piece 21 is locked. By being inserted into the hole 23, the lid of the lid 1b is held.

  As shown in the inner surface development view of FIG. 3, bonding margins 24a and 24b are formed on the inner surface side of the left and right side walls 4a and 4b and the back side of the joining flap 18, respectively. Folds 26 (valley lines on the outside) are formed in the direction of equal division and reaching the left and right front ends of the upper flaps 11a and 11b. Similarly, bonding margins 27a and 27b are formed on the inner surface side of the lid side wall 7 and the back side of the adhesive piece 9, and the lid side wall 7 is folded in a direction that bisects the connecting base end corner on the lid front wall 8 side. Eyes 28 (valley lines on the outside) are formed.

  An inner front wall (inner peripheral wall) 29 is connected to the upper end of the front wall 3 a via the edge 12 so as to be bendable, and a free end of the inner front wall 29 is bent along the inner surface of the bottom plate 2. The contact flap 30 is continuously provided. Then, the inner front wall 29 is folded back to the inner surface side of the front wall 3a to form a fixture storage space for storing and holding the cold insulation material 91 and other fixtures. The inner front wall 29 in the standing state is formed in a substantially inverted trapezoidal shape that is narrower toward the bottom plate 2 side, and both side sides of the inner front wall 29 are curved inward.

  When the inner front wall 29 is erected on the inner surface side of the front wall 3a in a folded state, a vent hole 31 is formed in the inner front wall 29 so as to allow ventilation with the inside of the packaging box 1. In this example, as shown in FIGS. 2 and 3, two rounded rectangles were formed as the shape of the air holes 31. In addition, a tongue portion 32 is left uncut at the lower end of the inner front wall 29, and the belt-like contact flap 30 and the tongue portion 32 hold the standing state of the inner front wall 29 in the standing state of the inner front wall 29. ing. In this example, three tongue portions 32 are provided.

  The hole left by the tongue 32 at the lower end of the inner front wall 29 is configured to be able to vent into the packaging box 1 together with the vent hole 31. In addition, an insertion hole 33 for introducing a cold insulation material and other equipment is formed in the approximate center of the edge portion 12. Further, an adhesive margin 34 a is formed on the belt-like contact flap 30 and the tongue portion 32, and an adhesive margin 34 b corresponding to the adhesive margin 34 a is formed on the bottom plate 2.

Next, the operation hole 25 will be described with reference to FIGS. As shown in FIG. 4 and FIG. 5A, the lid front wall 8 is inserted between the locking piece 21 bent forward through the fold 21a and the front wall 3a, and the locking piece 21 is inserted. The claw portion 22 is inserted and locked in the locking hole 23, and the closed state is maintained. And from the state of (A) to disengage the engaging pieces 21, pushed towards the inside of the operation hole 25 with a fingertip or the like as shown in (B) a box (F ₁ direction). Since a slight gap is formed between the lower end of the operation hole 25 and the upper end of the locking piece 21, the nail or the abdomen of the fingertip is hung on the upper end of the locking piece 21, and the locking piece 21 is outside through the fold 21 a. It is configured to swing in (F ₂ direction) and release the engagement of the locking piece 21.

  In the packaging box 1 having the above-described configuration, in the main body 1a, the bonding margin 24a of the left and right side walls 4a and 4b is bonded and fixed to the bonding margin 24b of the joining flap 18 with an adhesive such as glue. Further, the inner front wall 29 is folded in advance to the inner surface side of the front wall 3a via the edge portion 12, and the bonding margin 34a of the contact flap 30 and the tongue portion 32 is bonded and fixed to the bonding margin 34b on the bottom plate 2, and the cold insulating material 91 is fixed. Space for other equipment will be provided. Further, in the lid 1b, the adhesive margin 27a of the lid side wall 7 is adhered and fixed to the adhesive margin 27b of the adhesive piece 9 with an adhesive such as glue.

  The left and right side walls 4a and 4b, the joining flap 18, the rear wall 3b, and the upper flaps 11a and 11b are folded and overlapped on the bottom plate 2, the front wall 3a, and the inner front wall 29 through the fold line 26, and the top plate 6 inner surface side Similarly, the lid side wall 7, the lid front wall 8, and the adhesive piece 9 are folded and overlapped via the fold 28. Since the lid 1b is connected to the upper end of the rear wall 3b so as to be foldable, the lid side wall 7, the adhesive piece 8 and the lid front wall 9 are folded in conjunction with the folding of the rear wall 3b onto the bottom plate 2. The lid 1b is also shipped to the shop floor or the like in a plate-like state (not shown) superimposed on the bottom plate 2.

  When the lid 1b and the rear wall 3b are rotated in the standing direction from the above plate-like state, the joining flap 18 provided continuously to the rear wall 3b is bonded and fixed to the left and right side walls 4a and 4b. The left and right side walls 4a and 4b are turned upright in conjunction with the standing up. Then, simultaneously with the standing of the left and right side walls 4a and 4b, the locking claw 19 at the lower front end of the joint flap 18 is fitted into the locking hole 17 to hold the standing of the left and right side walls 4a and 4b.

  With the rear wall 3b, the left and right side walls 4a and 4b, and the joining flap 18 raised from the bottom plate 2, the contents such as cake are inserted and placed on the bottom plate 2 together with a conventionally known cake tray (not shown). To do. Then, the front end flaps 16a and 16b are bent inward at an angle, and the cold insulation material 91 is inserted into the equipment housing space between the front wall 3a and the inner front wall 29, and the front wall 3a and The cold insulation material 91 is housed and held with the inner front wall 29 and is erected.

  The upper flaps 11a and 11b are bent inward in the horizontal direction at an angle, and the left and right side walls 4a and 4b and the front end flaps 16a and 16b are expanded to lock the front end flaps 16a and 16b from the left and right sides of the front wall 3a. The claws 13a and 13b are inserted into the cuts 14a and 14b and locked. Then, the standing of the front wall 3a is held to reinforce the upper ends of the front wall 3a and the left and right side walls 4a and 4b, and a lid receiving peripheral portion is formed to complete the main body 1a.

  The lid 1b also rotates the lid front wall 9 in the upright direction with respect to the top plate 6 and the lid side wall 7 interlocked with the lid front wall 8 by the adhesive piece 9 is also rotated in the upright direction to form the lid 1b. Further, the lid 1b is fitted into the main body 1a, and the claw portion 22 of the locking piece 21 is inserted into the locking hole 23 formed in the front wall 8 of the lid as described above, and the lid 1b is closed and packaged. Complete the box assembly for box 1.

  Next, the second embodiment will be described with reference to FIGS. The packaging box 51 includes ridge-line folds 52a and 52b between the adjacent front and rear walls 3a and 3b and the left and right side walls 4a and 4b, and pleat-like connecting pieces 53a and 53b for connecting the peripheral walls to each other. It is connected continuously. The connecting pieces 53a and 53b are fixed portions 54a and 54b that are bonded and fixed in advance to the front and rear walls 3a and 3b via intermediate fold lines 52a and 52b, and a movable portion 56a that can be bent and rotated. 56b.

  At the upper ends of the front and rear walls 3a, 3b, presser pieces 57 that fold the upper ends of the connecting pieces 53a, 53b and store and hold them in an upright state are foldably connected. Triangular movable parts are provided at the left and right ends of the presser pieces 57. 57a and 57b are provided. Protrusions 68a and 68b, which will be described later, are formed so as to protrude between the left and right side walls 4a and 4b of the movable parts 57a and 57b.

  Left and right inner side walls 59a and 59b are connected to the upper ends of the left and right side walls 4a and 4b via edge portions 58a and 58b corresponding to the frame width so as to be foldable. 2, strip-shaped contact flaps 61 a and 61 b which are bent along the inner surface of 2 and bonded and fixed in advance are connected. The left and right inner side walls 59a and 59b are folded inward to form an equipment storage space for storing the cold insulation material 91 and other equipment.

  A rectangular charging hole 33 for charging the cold insulation material 91 and other equipment is formed in the upper positions of the central portions of the left and right inner walls 59a and 59b. A guide portion 62 made of a dotted line or the like that can be cut from the left and right vertices of the lower side of the insertion hole 33 toward the bottom plate 2 side is formed, and the guide portion 62 is used to take out the cold insulating material 91 and other equipment that can be opened after the assembly is completed. An opening lid 63 is provided so as to be bendable. In this example, it is assumed that the insertion hole 33 also serves as a vent hole.

  In the packaging box 51 having the above configuration, the fixing portions 54a and 54b of the connecting pieces 53a and 53b are bonded and fixed to the inner surfaces of the front and rear walls 3a and 3b in advance with 64b to the bonding margin 64a, and the presser piece 57 is set to the inside. Folded, 66b is bonded and fixed to the bonding allowance 66a. At the same time as the above operation, the inner side walls 59a and 59b are folded inside the left and right side walls 4a and 4b through the edge portion 58, and the bonding margin 67b on the upper surface of the bottom plate 2 is bonded and fixed to the bonding margin 67a of the contact flaps 61a and 61b. To do.

  The assembly operation of the packaging box 51 at the shop floor or the like is performed by fixing the left and right side walls 4a and 4b and the inner side walls 59a and 59b from the folded plate-like state (not shown). Turn the side wall upright. Since the front and rear walls 3a and 3b are connected to the left and right side walls 4a and 4b via connecting pieces 53a and 53b, the front and rear walls 3a and 3b can be raised at the same time as the right and left side walls 4a and 4b are raised.

  The left and right side walls 4a and 4b are kept upright, and at the same time, the left and right movable parts 57a and 57b of the presser piece 57 are kept upright on the peripheral side, and the movable parts 56a and 56b of the connecting pieces 53a and 53b are folded. , 3b. Hereinafter, the peripheral wall fixing structure by the protrusions 68a and 68b formed to protrude from the left and right side walls 4a and 4b of the movable parts 57a and 57b will be described.

Left and right side walls 4a, relative longitudinal width d ₁ of 4b, the left and right inner walls 59a, longitudinal width d ₂ of 59b is slightly narrower. As shown by d ₁ -d ₂ = 2S, a slight gap S is formed at each of the front and rear ends of the inner side walls 59a, 59b. The protrusions 68 a and 68 b and the folded connection pieces 53 a and 53 b are accommodated in the gap S and are sandwiched by the pressing pieces 57.

  When the left and right movable portions 57a and 57b of the presser piece 57 held upright on the peripheral side are rotated to the inner surface side of the front and rear walls 3a and 3b, the projections 68a and 68b are inserted into the gap S and locked. The And it is the structure which hold | maintains the clamping state of the connection pieces 53a and 53b accommodated by folding, and stands up each surrounding wall and completes a box assembly. After assembling the box, the cold insulation material 91 and other equipment are put in through the charging hole 33, and the contents such as cake are placed on the bottom plate 2. After the contents such as cake are taken out, they are cut out along the guide portion 62, and the opening lid 63 is rotated to take out the cold insulation material 91 and other equipment from the equipment storage space.

  Next, a third embodiment will be described with reference to FIG. In the packaging box 71, front and rear end flaps 72 having a predetermined width are continuously connected to the front and rear ends of the left and right side walls 4a and 4b and the left and right inner side walls 59a and 59b. Three circular vent holes 31 are formed in the left and right inner side walls 59a and 59b so as to allow ventilation with the inside of the packaging box 71. At the lower ends of the left and right inner walls 59a, 59b, three tongue portions 73 are left uncut, and the contact flaps 61a, 61b and the tongue portion 73 are bonded and fixed to the bottom plate 2 in advance.

  The packaging box 71 accommodates the cold insulation material 91 and other fixtures in a plate-like state in a fixture storage space formed by the left and right side walls 4a and 4b and the left and right inner side walls 59a and 59b. Then, after raising the front and rear walls 3a and 3b, the left and right side walls 4a and 4b and the left and right inner side walls 59a and 59b are rotated in the standing direction. Only the center part of the presser piece 57 connected to the upper ends of the front and rear walls 3a and 3b is bonded and fixed to the inner surfaces of the front and rear walls 3a and 3b in advance. Therefore, the front and rear end flaps 72 are inserted into the gaps on the left and right side walls 4a and 4b formed by the front and rear walls 3a and 3b and the presser piece 57, and the standing of the peripheral walls is maintained to complete the box assembly. The packaging boxes 51 and 71 are advantageous in that a large equipment storage space can be secured on the inner surfaces of the left and right side walls.

  The equipment storage wall structure in the packaging box of the present invention configured as described above is not limited to the above aspect, and a peripheral wall and an inner peripheral wall are provided by providing a peripheral wall and an inner peripheral wall with respect to a polygonal bottom plate or top plate such as a hexagon. The equipment storage space can also be formed. The inner peripheral wall is not limited to the shape shown in the above description and drawings, and can be formed in other shapes. Furthermore, the shape of the air holes formed in the inner peripheral wall is not limited to the above-described mode, and other shapes can be used, and the number of air holes can be freely changed. In addition, the opening lid can be a tear-off-capable cut-off lid.

  The fixing structure of the locking plate of the packaging box of the present invention can be widely applied not only to the folding folding packaging box made of paperboard but also to the packaging box made of synthetic resin such as PP and PE and the packaging box such as cardboard. .

It is a perspective view which shows the box assembly completion state of 1st Embodiment of the packaging box of this invention. It is a perspective view which shows the middle of the assembly of 1st Embodiment of the packaging box of this invention. It is an inner surface expanded view of 1st Embodiment of the packaging box of this invention. It is a front view which shows the engagement state by the locking piece and locking hole of the packaging box of this invention. FIG. 5 is a cross-sectional view taken along the line A-A in FIG. 4 showing the releasing operation of the locking piece using the operation hole in the packaging box of the present invention, (A) before release, (B) during release, and (C) release. Shown later. It is a perspective view which shows the assembly middle of 2nd Embodiment of the packaging box of this invention. It is an inner surface expanded view of 2nd Embodiment of the packaging box of this invention. It is a perspective view which shows during assembly coating of 3rd Embodiment of the packaging box of this invention.

Explanation of symbols

1 Packaging box 2 Bottom plate 3a Front wall (peripheral wall)
3b Rear wall (surrounding wall)
4a Left side wall (surrounding wall)
4b Right side wall (surrounding wall)
6 Top plate 8 Lid front wall 11a Upper flap 11b Upper flap 12 Edge 13a Locking claw 13b Locking claw 14a Notch 14b Notch 16 Front end flap 21 Locking piece 22 Claw part 23 Locking hole 25 Operation hole 29 Inner front wall ( Inner wall)
30 abutting flap 31 vent hole 33 insertion hole 51 packaging box 52a fold 52b fold 53a connecting piece 53b connecting piece 54a fixed portion 54b fixed portion 56a movable portion 56b movable portion 57 presser piece 58a edge portion 58b edge portion 59a left inner side wall (Inner wall)
59b Right inner wall (inner wall)
61a Contact flap 61b Contact flap 63 Opening lid 91 Cooling material

Claims (9)

  Peripheral walls (3a), (3b), (4a), standing up next to each other on each side of the outer periphery of the plate member made of a polygonal bottom plate (2) or top plate (6) having a corner angle in plan view, In the packaging box in which (4b) is continuously provided, inner peripheral walls (29), (59a) continuously provided so as to be folded inward at the free ends of the peripheral walls (3a), (3b), (4a), (4b). , (59b) and belt-shaped contact flaps (30), (61a), (61b) which are bent and fixed along the inner surface of the plate member, and the peripheral walls (3a), (3b), The equipment storage wall structure in the packaging box which formed the equipment storage space which accommodates and hold | maintains a cold insulating material (91) and other equipment between the inner surfaces of (4a) and (4b).   Edge portions (12), (54a) having a width corresponding to the frame width between the peripheral walls (3a), (3b), (4a), (4b) and the inner peripheral walls (29), (56a), (56b). ), (54b). The equipment housing wall structure in the packaging box of claim 1.   3. A vent hole (31) for allowing ventilation between the inner peripheral walls (29), (59a), (59b) and the inside of the packaging box (1), (51), (71). Equipment storage wall structure in a packaging box.   A charging hole (33) for charging a cold insulating material (51) or other equipment is formed in the edges (12), (58a), (58b) or the inner peripheral walls (29), (56a), (56b). Equipment storage wall structure in one, two or three packaging boxes.   In order to take out the cold insulation material (91) or other equipment from the equipment storage space, an opening lid (63) that can be opened after completion of assembly or a cutout lid that can be cut off after completion of assembly is provided. Equipment storage wall structure in a packaging box.   The front wall (3a), which is one of the peripheral walls (3a), (3b), (4a), (4b), is inwardly directed to the front ends of the other peripheral walls (4a), (4b). In a packaging box in which front end flaps (16a), (16b) that can be bent in an angle shape are connected, locking claws (13a), (13b) are attached to the upper ends of the connecting base end portions of the front end flaps (16a), (16b). ) Projectingly formed, forming incisions (14a) and (14b) at both ends of the fold between the front wall (3a) and the edge (12), and forming the front wall (3a) and the left and right side walls (4a), When (4b) is stood up, the latching claws (13a) and (13b) are inserted into the notches (14a) and (14b) from both the left and right sides of the front wall (3a) to maintain the standing state. The equipment storage wall structure in the packaging box of Claim 1, 2, 3, 4 or 5 provided with an engaging portion.   A top plate (6) constituting a lid with a lid front wall (8) is connected to the upper end of the peripheral wall (3b) on the back side in a foldable manner, and the front wall (3a) has a lid front wall ( 8) A locking piece (21) with a claw portion (22) that holds the closed state by inserting and locking to a locking hole (23) provided in the lid front wall (8) from the outer peripheral surface side. In the closed state in which the locking piece (21) with the claw portion (22) is inserted and locked into the locking hole (23), the locking piece (21) is locked into the locking hole (23 2) The operation hole (25) for pushing and swinging to hook the locking piece (21) in order to release the pulling is formed on the front wall of the lid (8). Or the equipment storage wall structure in the packaging box of 6.   A pleated connection that connects adjacent walls via ridges (52a), (52b) of mountain lines provided in the middle between adjacent peripheral walls (3a), (4a), (3b), (4b) The pieces (53a) and (53b) are connected in a foldable manner so that the connecting pieces (53a) and (53b) are adjacent to one side of the folds (52a) and (52b). And fixed parts (54a), (54b) to be bonded and fixed, and movable parts (56a), (56b) which can be bent and rotated via the folds (52a), (52b), Presser foot that holds the upper ends of the connecting pieces (53a) and (53b) in a folded state at the upper ends of the peripheral walls (3a) and (3b) on the fixing portions (54a) and (54b) side of (53a) and (53b). In the structure in which the piece (57) is folded back, the inner peripheral walls (59a), (59b) and the folding housing Protrusions (68a) and (68b) inserted into and locked in gaps (S) formed between the held connecting pieces (53a) and (53b) are both ends of the presser piece (57). The equipment housing wall structure in the packaging box according to claim 2, 3, 4, 5, or 6, wherein said equipment housing wall is projected. The gap (S) is folded back to the inner surfaces of the peripheral walls (4a) and (4b) via the edges (58a) and (58b) with respect to the front and rear width (t ₁ ) of the peripheral walls (4a) and (4b). an inner circumferential wall (59a), equipment housing wall structure in the packaging box according to claim 8 provided by narrowing forming a longitudinal width (t ₂₎ of (59b) that.

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