JP4910519B2 - Packing box and packing spacer - Google Patents

Description

  The present invention relates to a packing box for packing an item such as a product and a packing spacer for holding a product by filling a vacant space of the product stored in the packing box.

2. Description of the Related Art Conventionally, in a packaging box for packaging products such as electrical products, as described in Patent Document 1, a rectangular corrugated bottom portion and three sides of the bottom portion are provided so as to be bendable on one cardboard. Three side portions, a lid portion foldably provided on one side portion located between two side portions facing each other, and a foldable portion provided on the lid portion. The fourth side portion is provided, and the three side portions are bent substantially vertically with respect to the bottom portion, and the lid portion is folded up in this state so as to face the bottom portion in parallel. There are some which are formed in a box shape by bending the fourth side part and standing up like the three side parts.
Japanese Patent Laid-Open No. 11-208639

In addition, as a packaging spacer for filling an empty space of a product stored in such a packaging box, as described in Patent Document 2, a cardboard is provided with a main body portion and the main body portion. A pair of leg portions that are bent in two on both sides to form a triangular tube shape are provided, an engagement piece is provided at each end of the pair of leg portions, and the engagement piece is inserted into the main body portion. Packing by changing the height of the triangular leg by providing multiple locking holes at predetermined intervals and inserting the engaging pieces of the leg into any of the multiple locking holes provided in the main body Some are configured to change the depth in the box.
JP 2001-328678 A

  However, in the former packaging box described above, since the thickness of the packaging box is set in advance according to the thickness of the product, even if the product can be stored exactly, the thickness varies depending on the type of the product. A packaging box having a height corresponding to the thickness of the product is required. Therefore, there are many types of packaging boxes, and there is a problem that the management and production of the packaging boxes are complicated and troublesome.

  In the latter packing spacer described above, the height of the triangular leg portion is changed by inserting the engaging piece of the leg portion into one of the plurality of locking holes provided in the main body portion. Although the depth in the box can be changed, the weight of the product will be concentrated on the straight part of each ridge line in the two legs in order to hold the product packed at each ridge line of the two legs, For this reason, there exists a problem that a goods cannot be hold | maintained favorably in the stable state.

The first problem to be solved by the present invention is to provide a packaging box that can change the thickness of the box according to the thickness of the packaged product.
A second object of the present invention is for packing that can hold a packaged product in a stable state by filling the empty space of the packaged product in a stable state by receiving the weight of the packaged product on a flat surface. Providing a spacer.

In order to solve the above problems, the present invention includes the following components.
In addition, the reference numerals of the drawings attached to the respective elements described in the section of each embodiment described later are attached to the respective constituent elements together with parentheses.

As shown in FIGS. 1 to 8, the invention according to claim 1 is a sheet member having a rectangular bottom portion (1) and four sides provided on the four sides of the bottom portion so as to be bendable. Part (first to fourth side parts 2 to 5) and a lid part (6) provided to be foldable on one side part (fourth side part 5) among the four side parts, A package formed in a box shape by folding the four side portions substantially vertically with respect to the four sides of the bottom portion and standing up in this state by folding the lid with respect to the one side portion and facing the bottom portion. A box ,
The crease lines (first and second crease lines 8 and 9) for changing the folding position are parallel to each side of the bottom portion at a predetermined interval (S1) on the four side portions and the lid portion. to a plurality book at a time,
On the side of the bottom (1) located on the opposite side of the lid (6), a tongue piece (10) is provided by cutting over the side (first side 2) continuous to the side. In addition, a locking hole (insertion locking hole 11) is provided on both sides of the tongue piece portion in the bent portion of the side portion with respect to the bottom portion,
An insertion portion (12) to be inserted into the locking hole is provided on a side portion of the lid portion located on the side opposite to the bottom portion, and the tongue locking portion into which the tongue piece portion is inserted is inserted into the insertion portion. A plurality of holes (first and second tongue locking holes 13 and 14) are provided at an interval (S2) that is twice the interval (S1) between the crease lines (first and second crease lines 8 and 9). A plurality of insertion crease lines (first and second insertion crease lines 15 and 16) are provided corresponding to the plurality of tongue locking holes .

As shown in FIGS. 9 to 14, the invention according to claim 2 is a packing spacer (20) for filling the empty space of the packing product stored in the packing box (21) and holding the packing product. Because
A rectangular main body (22) disposed in the packing box on one sheet member, and a pedestal disposed on both upper surfaces of the main body so as to be foldable on both sides of the main body. Parts (first and second pedestal portions 23, 24) and four variable mounting portions (first folds) provided on the side portions of the main body portion different from the pedestal portions so as to be bendable. 1-4th variable mounting part 25-28),
Engagement pieces (first to fourth engagement pieces 25b to 28b) are provided at the respective distal end portions of the four variable placement portions, and the bending positions are provided on these four variable placement portions. A plurality of crease lines (first and second crease lines 35 and 36) for changing the installation height with respect to the pedestal part are provided at predetermined intervals (S4), respectively, and the pedestal part has the four variable lines. A plurality of locking holes (first and second position restricting holes 31, 32) through which the engaging pieces of the mounting portion are inserted according to the height of the variable mounting portion are provided at a predetermined interval (S3). It is the spacer for packing characterized by being.

According to a third aspect of the invention, as shown in FIGS. 9 to 14, wherein the base part (first, second pedestal 23, 24), provided to be bent on both sides of the main body portion (22) The first rising portion (23a, 24a) thus formed, the fixed mounting portion (23b, 24b) provided on the first rising portion so as to be foldable and arranged with the variable mounting portion, and the fixed mounting portion A second rising portion (23c, 24c) provided in a foldable manner and a bottom plate portion (23d, 24d) provided in a foldable manner at the second rising portion, and the fixed mounting portion includes The packing spacer according to claim 2 , wherein the locking holes (first and second position regulating holes 31 and 32) are provided at predetermined intervals (S 3).

According to the first aspect of the present invention, the four side portions are bent substantially vertically with respect to the four sides of the quadrilateral bottom portion provided on one sheet member, and in this state, the four side portions and the lid are raised. When the part is bent at any of a plurality of crease lines and formed into a box shape, the crease lines for changing the fold position are respectively spaced apart from each side of the bottom part at four sides and the lid part. Since a plurality of fold lines are provided in parallel, a crease line corresponding to the thickness of the packaged product can be selected from the plurality of crease lines, and the four side parts and the lid part can be bent at the selected crease line. Thus, the thickness of the box can be changed according to the thickness of the packaged product. For this reason, even if the thickness of a packaged item differs, it can be shared by a single packaging box, and the management and production of the packaging box can be simplified. Further, the four side portions provided on the four sides of the quadrangular bottom portion are bent substantially vertically and raised, and the four side portions and the lid portion are bent at any one of a plurality of crease lines to form a box shape. In this state, after inserting the insertion portion provided on the side portion on the front end side of the lid portion into the locking hole provided in the bent portion on the side portion located on the bottom side, the insertion portion is formed on the side portion side of the bottom portion. By inserting the provided tongue piece portion into the tongue locking hole provided in the insertion portion, the lid portion can be securely fixed to the bottom portion.

  At this time, if one of the plurality of crease lines is selected according to the thickness of the packaged product, and the four side portions and the lid portion are bent at the selected crease line, respectively, and the thickness of the box is set, the insertion Of the plurality of insertion crease lines provided in the part, the insertion part is bent at the insertion crease line corresponding to the thickness of the box, so that the insertion part can be reliably inserted into the locking hole on the side located on the bottom side. In addition, among the plurality of tongue locking holes provided in the insertion portion, the tongue piece on the side of the bottom can be inserted into the tongue locking hole corresponding to the thickness of the box. Thereby, even if the thickness of the box is changed, the lid portion can be reliably fixed to the bottom portion.

According to the second aspect of the present invention, the pedestal portions are bent and arranged on the upper surfaces on both sides of the rectangular main body portion provided on one sheet member, and the side portions of the main body portion different from the pedestal portions in this state The four variable placement portions provided on the base plate are each folded on one of a plurality of crease lines and arranged on the pedestal portion, and in this state, the engagement pieces respectively provided at the tip portions of the four variable placement portions Is inserted into one of a plurality of locking holes provided in the pedestal portion, so that four variable placement portions can be arranged on the pedestal portion, and packing can be performed on the upper surface of the four variable placement portions. Since the product can be arranged, the weight of the packaged product can be received by each plane of the four variable mounting portions, and thus the packaged product can be favorably held in a stable state.

  In this case, when each of the four variable placement portions is bent, one of a plurality of crease lines provided on the four variable placement portions is selected, and each of the four variable placement portions is selected by the selected fold line. 4 arranged on the pedestal portion by bending each engagement piece provided at each tip end thereof into one of a plurality of locking holes provided in the pedestal portion, being bent so as to have the same height. The height of each of the two variable placement portions can be changed by a plurality of crease lines, whereby the empty space of the packaged product stored in the packaging box can be satisfactorily filled.

According to the third aspect of the present invention, the pedestal is provided with a first rising portion that can be bent on both side portions of the main body, and a variable placement portion that is foldably provided on the first rising portion. Since it has the fixed mounting part arrange | positioned, the 2nd rising part provided in this fixed mounting part so that bending is possible, and the bottom plate part provided in this 2nd rising part so that bending is possible, When the part is bent at the second rising part and is opposed to the fixed mounting part, and this fixed mounting part is bent at the first rising part and is opposed to the upper surfaces on both sides of the main body part, the bottom plate part is disposed on the upper surface of the main body part. In addition, the pedestal portion can be firmly formed by arranging the fixed mounting portion above the main body portion while being supported by the first and second rising portions, and a space is formed in the pedestal portion. Can be formed.

  For this reason, the variable mounting portion can be firmly fixed by inserting the engaging piece of the variable mounting portion into any of the plurality of locking holes provided in the fixed mounting portion. Since the engaging piece of the mounting portion is inserted into the space in the pedestal portion, the engaging piece of the variable mounting portion does not get in the way, and the engaging piece of the variable mounting portion is brought into contact with the bottom plate portion of the pedestal portion. Thus, the variable mounting portion can be securely and firmly held so that the height of the variable mounting portion does not change.

(Embodiment 1)
Hereinafter, with reference to FIGS. 1-8, one Embodiment of the packaging box to which this invention is applied is described. FIG. 1 is an exploded view of the packing box of the present invention, FIGS. 2 to 5 and 7 are perspective views showing the assembled state of the packing box, and FIGS. 6 and 8 are packing boxes with different thicknesses. It is each perspective view shown.
As shown in FIG. 1, the packing box is provided on a sheet member such as cardboard, cardboard, or a synthetic resin film so that it can be bent on a rectangular bottom 1 and four sides of the bottom 1. The first to fourth side portions 2 to 5 and the lid portion 6 provided so as to be foldable on the fourth side portion 5 among the first to fourth side portions 2 to 5 are provided. .

  In this case, as shown in FIG. 1, the first and second side portions 2 and 3 positioned on the left and right sides of the bottom portion 1 are respectively side portions 2a and 3a, folded portions 2b and 3b, front reinforcing portions 2c, 3c and rear reinforcing portions 2d and 3d. That is, the side surface portions 2a and 3a are provided so as to be foldable on the left and right sides of the bottom portion 1, respectively, and the front surface reinforcing portions 2c and 3c and the rear surface reinforcing portions 2d and 3d can be bent on the front and back sides of the side surface portions 2a and 3a, respectively. In addition to being provided, the length thereof is slightly longer than the half of the length of the left and right sides of the bottom portion 1, and a cut groove 7 is provided on each tip side thereof. Further, first and second crease lines 8 and 9 for changing the folding position are provided between the side surface portions 2a and 3a and the folded portions 2b and 3b in parallel with the left and right sides of the bottom portion 1 at a predetermined interval S1. It has been.

  Moreover, the 3rd side part 4 located in the front side of the bottom part 1 has the side part 4a and the folding | returning part 4b, as shown in FIG. The side surface portion 4 a is provided on the front side of the bottom portion 1 so as to be bendable. Like the first and second side portions 2 and 3, first and second crease lines 8 and 9 for changing the folding position are provided between the side surface portion 4 a and the folded portion 4 b. That is, the first and second fold lines 8 and 9 of the third side portion 4 are the same at the same positions corresponding to the first and second fold lines 8 and 9 of the first and second side portions 2 and 3. It is provided in parallel with the front side of the bottom 1 at the interval S1. In this case, on the front side of the bottom portion 1, a tongue piece portion 10 is provided by cutting so as to straddle the side surface portion 4 a of the third side portion 4. In addition, slit-like insertion locking holes 11 are provided on both sides of the tongue piece portion 10 in the bent portion of the third side portion 4 with respect to the bottom portion 1.

  Moreover, the 4th side part 5 located in the rear side of the bottom part 1 is formed in the substantially same magnitude | size as the side part 4a of the 3rd side part 4, and can be bend | folded to the rear side of the bottom part 1, as shown in FIG. Is provided. A lid 6 is foldably provided on the fourth side surface 5. The first and second fold lines 8 and 9 for changing the folding position are also provided between the fourth side portion 5 and the lid portion 6 in the same manner as the first to third side portions 2 to 4. Yes. The first and second crease lines 8 and 9 of the fourth side part 5 are also at the same position corresponding to the first and second crease lines 8 and 9 of the first to third side parts 2 to 4 at the same interval S1. And provided parallel to the rear side of the bottom 1.

  Further, the lid portion 6 provided on the fourth side surface portion 5 so as to be bendable is formed to have substantially the same size as the bottom plate 1. An insertion portion 12 is provided on a side portion of the lid portion 6 that is located on the opposite side of the bottom portion 1. Similarly to the first to fourth side portions 2 to 5, first and second crease lines 8 and 9 for changing the folding position are also provided between the lid portion 6 and the insertion portion 12. The first and second crease lines 8 and 9 of the lid portion 6 are located at positions away from the first and second crease lines 8 and 9 of the fourth side portion 5 by the same length as the bottom portion 1. The four side portions 2 to 5 are provided in parallel with the rear side of the bottom portion 1 at the same interval S1 as the first and second crease lines 8 and 9.

  Moreover, the insertion part 12 has the front part 12a and the insertion piece 12b, as shown in FIG. The front surface portion 12 a is formed in a size corresponding to the third side portion 4. Moreover, the insertion piece 12b is provided in the substantially middle part of the side part located in the opposite side to the bottom part 1 in the front part 12a, and is formed in the mountain shape which the front end side inclines gently. The insertion piece 12b is provided with slit-like first and second tongue locking holes 13 and 14 into which the tongue piece portion 10 on the third side portion 4 side is inserted. The first and second tongue locking holes 13 and 14 are twice the interval S1 between the first and second fold lines 8 and 9 provided in the first to fourth side portions 2 to 5 and the lid portion 6. An interval S2 (= 2 × S1) is provided.

  Further, as shown in FIG. 1, the insertion piece 12b has first and second insertion fold lines 15 and 16 for changing the folding position of the insertion piece 12b. 14 is provided. The first and second insertion crease lines 15 and 16 are also formed in parallel with the rear side of the bottom portion 1. Of the first and second tongue locking holes 13, 14, a finger is inserted into the first tongue locking hole 13 located on the bottom 1 side to place the tongue piece 10 into the first tongue locking hole 13. A semicircular cutout portion 17 is provided for extraction from the first tongue engagement hole 13 and the second tongue engagement hole 14 by inserting a finger between the first and second tongue engagement holes 13 and 14. A drum-shaped cutout 18 is provided for extraction from the drum.

Next, with reference to FIGS. 2-8, the case where this packaging box is assembled is demonstrated.
First, as shown in FIG. 2, the first and second side portions 2, 3 are bent and vertically raised with respect to the left and right sides of the bottom portion 1. That is, the side portions 2a and 3a of the first and second side portions 2 and 3 are bent and raised at the left and right sides of the bottom portion 1 respectively. At this time, as shown in FIG. 2, the folded portions 2b and 3b also stand together with the side portions 2a and 3a, and the front reinforcing portions 2c and 3c and the rear reinforcing portions 2d and 3d both extend in the front-rear direction of the bottom portion 1. Stand up in a protruding state.

  In this state, as shown in FIG. 2, the front reinforcing portions 2 c and 3 c are bent substantially 90 degrees in the horizontal direction at the front side portions of the side surface portions 2 a and 3 a, and are raised to correspond to the front side of the bottom portion 1. At the same time, the cut grooves 7 provided on the front ends of the front reinforcing portions 2c and 3c are engaged with each other. Similarly, the rear reinforcing portions 2d and 3d are bent substantially 90 degrees in the horizontal direction at the rear side portions of the side surface portions 2a and 3a to stand up corresponding to the rear side of the bottom portion 1 and each rear reinforcing portion 2d. The cut grooves 7 provided on the respective tip ends of 3d are engaged with each other.

  Thereafter, as shown in FIG. 3, the third and fourth side portions 4, 5 are bent and raised substantially perpendicularly to the front and rear sides of the bottom portion 1. That is, each side surface portion 4 a of the third side portion 4 is bent and raised at the front side of the bottom portion 1. At this time, the folded portion 4b of the third side portion 4 also stands up together with the side surface portion 4a. In this state, the tip end side of the tongue piece 10 provided on the bottom 1 located on the third side 4 side protrudes forward from the front side of the bottom 1. Further, the fourth side portion 5 is bent and raised at the rear side of the bottom portion 1, and the lid portion 6 and the insertion portion 12 that are continuous with the fourth side portion 5 also stand together with the fourth side portion 5.

  In this state, since the upper surface is formed in a substantially box shape, the product can be stored therein. Then, the first to fourth side portions 2 to 5 are bent at any one of the first and second crease lines 8 and 9. At this time, the thickness of the product to be packed, for example, an electronic desk calculator or an instruction manual thereof is thin, and among the first and second fold lines 8 and 9, for example, the thickness of the entire product is the first fold line 8. If the first to fourth side portions 2 to 5 are bent at the first fold line 8, the first fold line 8 is bent. In this case, first, as shown in FIG. 4, the 3rd side part 4 is bend | folded by the 1st crease line 8 located between the side part 4a and the folding | returning part 4b, and the 1st, 2nd side part 2 is shown. Each of the three front reinforcing portions 2c and 3c is sandwiched between the side surface portion 4a and the folded portion 4b.

  Thereafter, as shown in FIG. 4, the first and second side portions 2 and 3 are folded at first fold lines 8 located between the side surface portions 2a and 3a and the folded portions 2b and 3b. The parts 2 b and 3 b are bent so as to be parallel to the bottom part 1, and the folded parts 2 b and 3 b are arranged above the bottom part 1. In this state, the fourth side portion 5 is bent at a first crease line 8 positioned between the fourth side portion 5 and the lid portion 6, and the lid portion 6 is disposed above the bottom portion 1 as shown in FIG. To do. At this time, the insertion portion 12 provided at the tip of the lid portion 6 projects forward from the side surface portion 4 a of the third side portion 4.

  In this state, as shown in FIG. 6, the insertion portion 12 is bent at a first insertion fold line 15 positioned between the lid portion 6 and the front surface portion 12 a, so that the front surface portion 12 a is a side surface portion of the third side portion 4. 4a. Thereafter, the insertion piece 12 b is bent at the first crease line 8 positioned in the first tongue locking hole 13, and the bent insertion piece 12 b is slit-like insertion locking hole 11 provided in the third side portion 4. Plug in. And the tongue piece part 10 provided in the 3rd side part 4 is inserted in the 1st tongue locking hole 13 of the insertion piece 12b. Thereby, as shown in FIG. 6, a thin packaging box in which the lid 6 is closed and fixed to the bottom 1 is formed.

  On the other hand, when the thickness of the entire product such as an electronic desk calculator or its instruction manual is thick and the thickness of the entire product corresponds to the second crease line 9 among the first and second crease lines 8 and 9, for example. 3, the first to fourth side portions 2 to 5 are folded at the second crease line 9. In this case, after storing the thick product in the box and folding the first to fourth side portions 2 to 5 along the second crease line 9, When the four side portions 5 are bent at the second crease line 9, the continuous lid portion 6 is displaced rearward by an interval S1 between the first and second crease lines 8 and 9, so that the lid portion is closed as shown in FIG. A second crease line 9 located between the portion 6 and the insertion portion 12 corresponds to the third side portion 4.

  In this state, when the insertion portion 12 is bent at the second crease line 9 located between the lid portion 6 and the front surface portion 12a, the front surface portion 12a is turned to the side surface portion 4a of the third side portion 4 as shown in FIG. Corresponding to Thereafter, the insertion piece 12b is bent at a second insertion crease line 16 located in the second tongue locking hole 14, and the bent insertion piece 12b is provided in a slit-like insertion locking hole provided in the third side portion 4. 11 And the tongue piece part 10 provided in the 3rd side part 4 is inserted in the 2nd tongue locking hole 14 of the insertion piece 12b. As a result, as shown in FIG. 8, a thick packaging box in which the lid 6 is closed and fixed to the bottom 1 is formed.

  Thus, according to this packaging box, the first to fourth side portions 2 to 5 are bent substantially vertically with respect to the four sides of the rectangular bottom portion 1 provided in one sheet member, and this state is raised. When the first to fourth side portions 2 to 5 and the lid portion 6 are bent into one of the first and second crease lines 8 and 9 to form a box shape, the first position for changing the folding position is as follows. The second crease lines 8 and 9 are provided on the first to fourth side parts 2 to 5 and the lid part 6 in parallel to each side of the bottom part 1 at a constant interval S1, respectively. Among the second fold lines 8 and 9, one of the first and second fold lines 8 and 9 corresponding to the thickness of the packaged product can be selected.

  At this time, for example, when the product is thin and corresponds to the first crease line 8, if the first to fourth side portions 2 to 5 are bent at the first crease line 8, as shown in FIG. Depending on the thickness of the product, a thin packaging box is obtained. Further, when the product is thick and corresponds to the second fold line 9, if the first to fourth side portions 2 to 5 are bent at the second crease line 9, the product as shown in FIG. Depending on the thickness, a thick packaging box is obtained. In this way, the thickness of the box can be changed by folding the first to fourth side portions 2 to 5 and the lid portion 6 at any one of the first and second crease lines 8 and 9. For this reason, even if the thicknesses of the commodities are different, the single packaging box can be used together, thereby simplifying the management and production of the packaging box.

  In this case, the insertion part 12 is provided in the side part of the front end side of the cover part 6, and this insertion part 12 has the side part 12a and the insertion piece 12b, and is located in the bottom part 1 located in the 3rd side part 4 side. The tongue piece portion 10 is provided, and the insertion locking holes 11 are provided on both sides of the tongue piece portion 10 in the third side portion 4, so that the first side with respect to the four sides of the rectangular bottom portion 1 is provided. The fourth side portions 2 to 5 are bent substantially vertically and raised, and the first to fourth side portions 2 to 5 and the lid portion 6 are either one of the first and second crease lines 8 and 9. It is formed into a box shape by bending, and in this state, the insertion piece 12b of the insertion portion 12 provided on the distal end side of the lid portion 6 is inserted into the insertion locking hole 11 provided in the third side portion 4, and the bottom 1 Is inserted into one of the first and second tongue locking holes 13 and 14 of the insertion piece 12b, The part 6 can be fixed to the bottom 1.

  At this time, the first and second insertion fold lines 15 and 16 of the insertion portion 12 are selected according to the thickness of the product to bend the insertion portion 12, and the first and second tongue locking holes 13 and 14 are selected. Then, the tongue piece 10 may be inserted. That is, when the thickness of the product is thin and the first to fourth side portions 2 to 5 are bent at the first fold line 8, the first insertion fold line at which the insertion piece 12 b is positioned in the first tongue locking hole 13. 15 is inserted into the insertion locking hole 11 of the third side portion 4, and the tongue piece portion 10 of the bottom portion 1 is inserted into the first tongue locking hole 13 of the insertion piece 12b. In addition, when the product is thick and the first to fourth side portions 2 to 5 are bent at the second fold line 9, the second insertion fold line at which the insertion piece 12 b is positioned in the second tongue locking hole 14. The tongue piece 10 of the bottom 1 may be inserted into the second tongue locking hole 14 of the insertion piece 12b after being bent at 16 and inserted into the insertion locking hole 11 of the third side part 4.

  Thus, when the thickness of the box is changed by selecting one of the first and second crease lines 8 and 9 and bending the first to fourth side portions 2 to 5 and the lid portion 6, By selecting the first and second insertion crease lines 15 and 16 and the first and second tongue locking holes 13 and 14 of the insertion portion 12 according to the thickness of the box, the insertion portion 12 according to the thickness of the box. Can be bent at one of the first and second insertion fold lines 15 and 16 and inserted into the insertion locking hole 11 of the third side portion 4, and the tongue piece portion 10 of the bottom portion 1 can be inserted into the first insertion portion 12. The second tongue locking holes 13 and 14 can be inserted. Thereby, even if the thickness of the box is changed, the lid 6 can be reliably fixed to the bottom 1.

  In the first embodiment, the first and second fold lines 8 and 9 are provided in the first to fourth side portions 2 to 5 and the lid portion 6 at a predetermined interval S1, respectively. Although the case where the two tongue locking holes 13 and 14 and the first and second insertion crease lines 15 and 16 are respectively provided at the predetermined interval S2 has been described, the present invention is not limited thereto, and the first to fourth side portions 2 to 5 and Three or more crease lines may be provided in the lid portion 6 at a predetermined interval S1, and three or more tongue locking holes and three or more insertion crease lines may be provided in the insertion portion 12 at a predetermined interval S2. If comprised in this way, the thickness of a box can be changed in three steps or more, and it can respond to the change of the thickness of goods further.

(Embodiment 2)
Next, with reference to FIGS. 9-14, one Embodiment of the packing spacer to which this invention is applied is described.
FIG. 9 is a developed view of the packing spacer of the present invention, FIGS. 10 to 12 are perspective views showing the assembled state of the packing spacer, and FIGS. 13 and 14 show the packing spacer in a state where the thickness is changed. It is each perspective view shown.
As shown in FIGS. 13 and 14, the packing spacer 20 is for filling a vacant space of a product (not shown) stored in the packing box 21 and holding the product.

  That is, the packing spacer 20 is a rectangular shape having a size that is arranged on the bottom of the packing box 21 on a single sheet member such as cardboard, cardboard, or a synthetic resin film, as shown in FIG. Main body part 22, first and second pedestal parts 23, 24 provided on the left and right sides of main body part 22, respectively, and bendable on both side parts of the front and rear sides of main body part 22. The first to fourth variable mounting portions 25 to 28 and the intermediate portions located between the first to fourth variable mounting portions 25 to 28 on the front and rear sides of the main body portion 22 are provided so as to be bendable. 3 and the fourth pedestal portions 29 and 30 are provided.

  As shown in FIG. 9, the first and second pedestal portions 23 and 24 located on the left and right sides of the main body portion 22 are respectively provided with first rising portions 23 a and 24 a that can be bent on the left and right sides of the main body portion 22. The fixed mounting portions 23b and 24b provided to be bent at the first rising portions 23a and 24a, respectively, and the second rising portions 23c and 24c provided to be bent at the fixed mounting portions 23b and 24b, respectively. The second rising portions 23c and 24c have bottom plate portions 23d and 24d that can be bent, respectively, and as shown in FIG. 10, they are configured to be bent into a flat cylindrical shape having a rectangular cross section. Yes.

  In this case, the fixed mounting portions 23b and 24b located on the upper surfaces of the first and second pedestal portions 23 and 24 include four sets of fourth sets corresponding to first to fourth variable mounting portions 25 to 28 described later. First and second position restricting holes 31 and 32 are provided at a predetermined interval S3. That is, of the four sets of first and second position restricting holes 31, 32, the four first position restricting holes 31 are first to fourth variable placing portions from the respective end portions of the fixed placing portions 23b, 24b. They are provided at positions separated by the same length as 25 to 28, respectively. The second position restricting holes 32 are provided at positions separated from the first position restricting hole 31 by a predetermined distance S3 toward the ends of the fixed placement portions 23b and 24b.

  The first to fourth variable placement portions 25 to 28 can be bent on both sides of the front and rear sides of the side portions 33 and 34 provided on the front and rear sides of the main body portion 22 so as to be bendable. The first to fourth mounting plates 25a to 28a provided in the first and fourth mounting plates 25a to 28a, and the first and second pedestal portions 23 and 24 are provided at the respective leading ends. 1 and the second position restricting holes 31 and 32, and the first to fourth engaging pieces 25b to 28b to be inserted into any one of the first and second position restricting holes 31 and 32, and as shown in FIGS. 25a to 28a are configured to be bent and disposed on the upper surfaces of the first and second pedestal portions 23 and 24, respectively.

  In this case, the widths of the first to fourth mounting plates 25a to 28a are substantially the same as the widths of the fixed mounting portions 23b and 24b of the first and second pedestal portions 23 and 24, and the longitudinal direction thereof. Is approximately half the length of each of the fixed placement portions 23b and 24b. In addition, on both sides of the first to fourth mounting plates 25a to 28a, the bending positions of the first to fourth mounting plates 25a to 28a are changed to be on the first and second pedestal portions 23 and 24. First and second crease lines 35 and 36 for changing the height of the first to fourth mounting plates 25a to 28a are provided.

  Among the first and second crease lines 35 and 36, the first crease line 35, as shown in FIG. 9, corresponds to the first to fourth placement plates 25a to 25 corresponding to the side parts of the side surface parts 33 and 34. 28a is provided at a position located at each base end portion and at each distal end portion of the first to fourth mounting plates 25a to 28a corresponding to each side portion of the first to fourth engaging pieces 25b to 28b. ing. Further, the second crease line 36 is provided away from the first crease line 35 by a predetermined interval S4. That is, the interval S4 between the first and second crease lines 35 and 36 is set to a half length (S4 = S3 / 2) of the predetermined interval S3 between the first and second position restricting holes 31 and 32.

  In this case, the 2nd crease line 36 located in each base end side of the 1st-4th mounting board 25a-28a is the 1st located in each base end part of the 1st-4th mounting board 25a-28a. The first fold line 35 is provided away from the first to fourth mounting plates 25a to 28a by the distance S4. Moreover, the 2nd crease line 36 located in each front-end | tip part side of the 1st-4th mounting board 25a-28a is the 1st crease line located in each front-end | tip part of the 1st-4th mounting board 25a-28a. 35 from the first to fourth mounting plates 25a to 28a by a distance S4.

  By the way, of the third and fourth pedestal portions 29 and 30 provided on the front and rear sides of the main body portion 22, the third pedestal portion 29 located on the front side of the main body portion 22 is as shown in FIGS. In addition, an upper surface portion 29a foldably provided on the side surface portion 33 common to the first and second variable placement portions 25 and 26, a back side portion 29b foldably provided on the upper surface portion 29a, It has a bottom plate portion 29c that is foldable on the back side portion 29b, a front side portion 29d that is foldably provided on the bottom plate portion 29c, and a folding portion 29e that is foldably provided on the front side portion 29d. ing.

  Accordingly, as shown in FIG. 11, the third pedestal portion 29 bends the folded portion 29e at the inner side of the bottom plate portion 29c at the front side portion 29d, and bends the bottom plate portion 29c at the inner side portion 29b. The upper surface portion 29a is bent at the side surface portion 33, and is disposed between the first and second pedestal portions 23 and 24 disposed on the upper surfaces on both the left and right sides of the main body portion 22, as shown in FIG. The In this case, the bottom plate portion 29c is disposed on the upper surface on the front side of the body portion 22, and the first and first surfaces 29a are supported by the side surface portion 33 and the back side portion 29b above the bottom plate portion 29c. The two pedestal portions 23 and 24 are arranged at the same height as the fixed placement portions 23b and 24b.

  Moreover, the 4th base part 30 located in the rear side of the main-body part 22 can be bend | folded into the side part 34 common to the 3rd, 4th variable mounting parts 27 and 28, as shown in FIG.9 and FIG.10. An upper surface portion 30a provided on the upper surface portion 30a, a rear side portion 30b provided foldable on the upper surface portion 30a, and a leg portion 38 provided on the rear side portion 30b so as to be bent and bent into a triangular tube shape. Have. In this case, the leg portion 38 includes a bottom surface portion 38a that is foldably provided on the back side portion 30b, and a pair of slope portions 38b and 38c that are foldably provided on both sides of the bottom surface portion 38a. A protrusion 38d is provided at the tip of one slope 38b, and an engaging recess 38e is provided at the tip of the other slope 38c.

  As shown in FIG. 11, the fourth pedestal portion 30 is formed by bending a pair of slope portions 38b, 38c of the leg portion 38 toward the upper side of the bottom surface portion 38a, and projecting portions 38d of one slope portion 38b on the other slope surface. A leg portion 38 bent in a triangular shape is formed by engaging with an engagement recess 38e of the portion 38c, and a bottom surface portion 38a of the leg portion 38 is bent at a back side portion 30b, and a ridge line of the leg portion 38 is formed on an upper surface. The first and second pedestal portions 23 disposed on the upper surfaces on both the left and right sides of the main body portion 22 are brought into contact with the inner surface of the portion 30a and the upper surface portion 29a is further bent at the side surface portion 33 as shown in FIG. , 24. In this case, the bottom surface portion 38a of the leg portion 38 is disposed on the rear upper surface of the main body portion 22, and the upper surface portion 30a is supported upward by the leg portion 38, the side surface portion 33, and the back side portion 30b. It arrange | positions at the same height as each fixed mounting part 23b of the 1st, 2nd base parts 23 and 24, 24b.

Next, with reference to FIGS. 10-14, the case where this packing spacer 20 is assembled is demonstrated.
First, as shown in FIG. 10, the first and second pedestal portions 23, 24 on both the left and right sides of the main body portion 22 are bent into a flat cylindrical shape having a rectangular cross section, and arranged on the upper surfaces of the left and right sides of the main body portion 22. That is, the bottom plate portions 23d and 24d are bent with respect to the second rising portions 23c and 24c, respectively, the second rising portions 23c and 24c are bent with respect to the fixed mounting portions 23b and 24b, and the fixed mounting portions 23b and 24b are When bent with respect to the first rising portions 23a and 24a, the whole is formed into a flat tube shape, the bottom plate portions 23d and 24d are respectively disposed on the left and right upper surfaces of the main body portion 22, and the fixed mounting portions 23b and 24b are the first. The second rising portions 23a, 24a, 23c and 24c are supported above the bottom plate portions 23d and 24d, respectively.

  After that, as shown in FIGS. 11 and 12, the third and fourth pedestal portions 29 and 30 on the front and rear sides of the main body portion 22 are bent, and the first and second arranged on the left and right sides of the main body portion 22. It arrange | positions between the base parts 23 and 24, respectively. That is, as shown in FIG. 11, the third pedestal portion 29 located on the front portion side of the main body portion 22 bends the folding portion 29e at the front side portion 29d to the inner surface of the bottom plate portion 29c, and the bottom plate portion 29c is bent to the back side portion. The upper surface portion 29a is bent at 29b so as to face the inner surface of the upper surface portion 29a, and the upper surface portion 29a is bent at the side surface portion 33. Thereby, the 3rd base part 29 is arrange | positioned between the 1st, 2nd base parts 23 and 24 arrange | positioned at the upper surface of the right-and-left both sides of the main-body part 22, as shown in FIG. At this time, the bottom plate portion 29c is arranged on the front upper surface of the main body portion 22, and the first and second pedestals in a state where the upper surface portion 29a is supported by the side surface portion 33 and the back side portion 29b above the bottom plate portion 29c. It arrange | positions at the same height as each fixed mounting part 23b and 24b of the parts 23 and 24. FIG.

  Further, as shown in FIG. 11, the fourth pedestal portion 30 located on the rear side of the main body portion 22 bends the pair of slope portions 38b, 38c of the leg portion 38 toward the upper side of the bottom surface portion 38a, and has one slope surface. The protruding portion 38d of the portion 38b is engaged with the engaging recess 38e of the other inclined surface portion 38c to form a leg portion 38 bent in a triangular shape, and the bottom portion 38a of the leg portion 38 is formed at the back side portion 30b. At the same time, the back side portion 30 c is bent so that the ridge line of the leg portion 38 is brought into contact with the inner surface of the upper surface portion 30 a, and the upper surface portion 29 a is bent at the side surface portion 33. Thereby, the 4th base part 30 is arrange | positioned between the 1st, 2nd base parts 23 and 24 arrange | positioned on the upper surface of the right-and-left both sides of the main-body part 22, as shown in FIG. In this case, the bottom surface portion 38a of the leg portion 38 is disposed on the rear upper surface of the main body portion 22, and the upper surface portion 30a is supported upward by the leg portion 38, the side surface portion 33, and the back side portion 30b. It arrange | positions at the same height as each fixed mounting part 23b of the 1st, 2nd base parts 23 and 24, 24b.

  In this case, when the third and fourth pedestal portions 29 and 30 are disposed between the first and second pedestal portions 23 and 24, the side surfaces of the first to fourth variable placement portions 25 to 28 are associated therewith. The parts 33 and 34 are bent with respect to the body part 22, and the first to fourth mounting plates 25a to 28a stand as shown in FIG. In this state, the first to fourth mounting portions 25a to 28a and the first to fourth engaging pieces 25b to 28b that are erected are bent at either the first or second fold line 35 or 36, respectively. The second pedestal portions 23 and 24 are arranged. At this time, if the product stored in the packing box 21 is thick, for example, an electronic desk calculator or its instruction manual, and the empty space of the product in the packing box 21 is narrow, Of the second crease lines 35 and 36, the first to fourth placement plates 25a to 28a and the first to fourth engagement pieces 25b to 28b are bent at the first crease line 35 corresponding to a narrow empty space.

  That is, when the first to fourth mounting plates 25a to 28a and the first to fourth engaging pieces 25b to 28b are respectively bent at the first fold line 35, the first to fourth mounting plates 25a to 28a are respectively first. 1. It arrange | positions closely to the upper surface of the 2nd base parts 23 and 24. FIG. At this time, the first placement plate 25a is disposed on the upper surface on the near side of the fixed placement portion 23b of the first pedestal portion 23, and the second placement plate 26a is located on the near side of the fixed placement portion 24b of the second pedestal portion 24. The third mounting plate 27 a is disposed on the rear upper surface of the fixed mounting portion 23 b of the first pedestal portion 23, and the fourth mounting plate 28 a is disposed on the fixed mounting portion 24 b of the second pedestal portion 24. Arranged on the rear upper surface.

  In this state, the first to fourth engaging pieces 25b to 28b bent at the first crease line 35 with respect to the first to fourth mounting portions 25a to 28a are connected to the first and second pedestal portions 23 and 24, respectively. Of the four sets of first and second position restricting holes 31, 32 provided in each fixed placing portion 23b, 24b, a first position restricting hole far from the end of each fixed placing portion 23b, 24b. 31 corresponding to the first position restricting holes 31 respectively. Accordingly, the first to fourth placement plates 25a to 28a are fixed on the fixed placement portions 23b and 24b of the first and second pedestal portions 23 and 24, respectively. For this reason, as shown in FIG. 13, the packing spacer 20 has a thickness T3 and is formed thin as a whole.

  On the other hand, when the thickness of the entire product such as the electronic desk calculator or the instruction manual thereof is thin and the empty space in the packing box 21 is wide, the wide empty space among the first and second fold lines 35 and 36 is set. The first to fourth placement plates 25a to 28a and the first to fourth engagement pieces 25b to 28b are bent at the corresponding second crease lines 36, respectively. That is, when the first to fourth mounting plates 25a to 28a are respectively bent at the second fold line 36, the first to fourth mounting plates 25a to 28a are respectively the first and second pedestals as shown in FIG. Above the portions 23 and 24, the first and second crease lines 35 and 36 are disposed at a height of an interval S4.

  At this time, the first to fourth engaging pieces 25b to 28b bent at the second fold line 36 with respect to the first to fourth mounting portions 25a to 28a are respectively connected to the first and second pedestal portions 23 and 24. Of the four sets of first and second position restricting holes 31, 32 provided in the fixed placing portions 23b, 24b, it corresponds to the second position restricting hole 32 close to the end side of each of the fixed placing portions 23b, 24b. Then, the tip ends of the first to fourth engagement pieces 25b to 28b are brought into contact with the bottom surfaces in the first and second pedestal portions 23 and 24, respectively, inserted into the second position restricting holes 32. As a result, the first to fourth mounting plates 25a to 28a are spaced above the fixed mounting portions 23b and 24b of the first and second pedestal portions 23 and 24 by a distance S4 between the first and second crease lines 35 and 36, respectively. Is supported at a height of For this reason, as shown in FIG. 14, the packing spacer 20 has a thickness of T4 and is formed thick.

  As described above, according to the packing spacer 20, the first and second pedestal portions 23 and 24 are bent and disposed on the left and right upper surfaces of the rectangular main body portion 22 provided in one sheet member, and The first and second pedestal portions 23 are formed by bending the first to fourth variable placement portions 25 to 28 provided on the front and rear sides of the main body portion 22 at either the first or second fold line 35 or 36, respectively. 24, and in this state, the first to fourth engagement pieces 25b to 28b at the respective distal end portions of the first to fourth variable mounting portions 25 to 28 are arranged on the first and second pedestal portions 23 and 24. By inserting the product into one of the first and second position restricting holes 31 and 32, the product is placed on the upper surfaces of the first to fourth mounting plates 25 a to 28 a disposed on the first and second pedestal portions 23 and 24. The weight of the product can be arranged on each plane of the first to fourth variable placement portions 25 to 28. It is possible to stop only, it is possible to satisfactorily hold the goods in a stable state.

  In this case, the first to fourth variable mounting portions 25 to 28 are provided with first and second crease lines 35 and 36 for changing the folding position, respectively, at a predetermined interval S4. First and second position restricting holes 31 and 32 into which the first to fourth engaging pieces 25b to 28b of the first to fourth variable mounting portions 25 to 28 are inserted are predetermined in the second pedestal portions 23 and 24, respectively. Since four sets are provided at the interval S3, one of the first and second crease lines 35 and 36 can be selected according to the free space of the goods stored in the packing box 21, and accordingly, the first One of the first and second position restricting holes 31, 32 into which the first to fourth engaging pieces 25b to 28b are inserted can be selected. Thereby, the height of the 1st-4th variable mounting parts 25-28 arrange | positioned on the 1st, 2nd base parts 23 and 24 can be changed with the 1st, 2nd crease lines 35 and 36. Therefore, it is possible to satisfactorily fill the empty space of the products stored in the packing box 21.

  In this case, the first and second pedestal portions 23 and 24 are bent at first rising portions 23a and 24a that are foldably provided at both side portions of the main body portion 22, respectively, and the first rising portions 23a and 24a, respectively. The fixed mounting portions 23b and 24b provided in a possible manner, the second rising portions 23c and 24c provided in the fixed mounting portions 23b and 24b, respectively, and the second rising portions 23c and 24c, respectively. Since the bottom plate portions 23d and 24d are provided so as to be bendable, the first and second pedestal portions 23 and 24 can be firmly formed, and the first and second pedestal portions 23, A space can be formed in 24.

  For this reason, the first to fourth variable placement portions 25 to 28 of the first to fourth variable placement portions 25 to 28 are provided in any one of the four sets of first and second position restriction holes 31 and 32 provided in the fixed placement portions 23b and 24b. By inserting the four engagement pieces 25b to 28b, the first to fourth variable mounting portions 25 to 28 can be firmly fixed, and the first to fourth variable mounting portions 25 to 28 are first to first. Since the fourth engagement pieces 25b to 28b are inserted into the spaces in the first and second pedestals 23 and 24, the first to fourth engagement pieces 25b to 28b not only get in the way, but also the first to first The four engaging pieces 25b to 28b abut on the bottom plate portions 23d and 24d in the first and second pedestal portions 23 and 24 so that the heights of the first to fourth mounting plates 25a to 28a do not change. The first to fourth variable mounting portions 25 to 28 can be securely and firmly held.

  In the second embodiment, the first and second fold lines 35 and 36 are provided at the predetermined interval S4 on the first to fourth variable mounting portions 25 to 28, and the first and second pedestal portions 23 and 24 are In the above description, four sets of the first and second position restricting holes 31 and 32 are provided at a predetermined interval S3. However, the present invention is not limited to this. The line of sight may be provided at a predetermined interval S4, and four or more position restriction holes may be provided at the first and second pedestal portions 23 and 24 at a predetermined interval S3. If comprised in this way, the thickness of the spacer 20 for packing can be changed in three steps or more, and an empty space can be filled more finely.

  In the second embodiment, the case where the third and fourth pedestal portions 29 and 30 disposed between the first and second pedestal portions 23 and 24 have different configurations has been described. Alternatively, a configuration in which pedestal portions having the same configuration as the third pedestal portion 29 are provided on both front and rear sides of the main body portion 22, and pedestal portions having the same configuration as the fourth pedestal portion 30 are respectively provided on the front and rear sides of the main body portion 22. The provided structure may be sufficient.

  Furthermore, in the first and second embodiments, the case of using an electronic desk calculator and its instruction manual as a product has been described. However, the present invention is not limited to this, and other electrical products may be used. Any item may be used as long as the item requires packaging.

It is an expanded view of the packaging box to which this invention is applied. (Embodiment 1) It is the perspective view which showed the state which bent and stood up the 1st, 2nd side part of both right and left with respect to the bottom part of FIG. FIG. 3 is a perspective view showing a state where the front and rear third and fourth side portions are bent and raised with respect to the bottom in the state of FIG. 2. It is the perspective view which showed the state which bent the 1st-3rd side part by the 1st crease line in the state of FIG. FIG. 5 is a perspective view showing a state in which the fourth side portion and the lid portion are bent along a first fold line in the state of FIG. 4 and the lid portion is opposed to the upper side of the bottom portion. FIG. 6 is a perspective view showing a state in which the insertion portion is bent along a first insertion crease line in the state of FIG. 5 and inserted into the insertion locking hole of the first side portion. FIG. 4 is a perspective view showing a state in which the first to fourth side portions and the lid portion are bent along a second fold line in the state of FIG. 3 so that the lid portion faces the upper portion of the bottom portion. It is the perspective view which showed the state which bent the insertion part in the state of FIG. 7 by the 2nd insertion crease line, and was inserted in the insertion locking hole of the 1st side part. It is an expanded view of the spacer for packing to which this invention is applied. (Embodiment 2) FIG. 10 is a perspective view illustrating a state in which the first and second pedestal portions are bent and arranged on both left and right sides of the main body portion of FIG. 9. It is the perspective view which showed the state which bent the 3rd base part by the side of the front part to the middle in the state of FIG. 10, and bent the leg part of the 4th base part by the side of a rear part. FIG. 12 is a perspective view illustrating a state where the third and fourth pedestal portions in FIG. 11 are bent and disposed between the first and second pedestal portions and the first to fourth variable placement portions are raised. FIG. 13 is a perspective view showing a state in which the first to fourth variable placement portions are bent along a first fold line and arranged low on the first and second pedestal portions in the state of FIG. 12. FIG. 13 is a perspective view illustrating a state in which the first to fourth variable placement portions are bent along a second fold line in the state of FIG. 12 and are disposed high on the first and second pedestal portions.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Bottom part 2-5 1st-4th side part 6 Lid part 8,9 1st, 2nd crease line 10 Tongue piece part 11 Insertion locking hole 12 Insertion part 13,14 1st, 2nd tongue locking hole 15 , 16 First and second insertion crease lines S1 First and second crease line spacing S2 First and second crease line spacings T1 and T2 Packing box height 20 Packing spacer 21 Packing box 22 Main body part 23 , 24 First and second pedestal portions 23a, 24a First rising portions 23b, 24b Fixed mounting portions 23c, 24c Second rising portions 23d, 24d Bottom portions 25-28 First to fourth variable mounting portions 25a-28a 1st-4th mounting board 25b-28b 1st-4th engagement piece 29, 30 3rd, 4th base part 31, 32 1st, 2nd position control hole 33, 34 Side surface part 35, 36 1st , Second crease line S3 interval between first and second position restricting holes S4 first Distance between the second fold line T3, T4 thickness of packing spacers

Claims (3)

In one sheet member, a quadrangular bottom portion, four side portions provided on each of four sides of the bottom portion so as to be bendable, and one of the four side portions are provided so as to be bendable. A box, and the four sides of the bottom part are bent substantially vertically with respect to the four sides of the bottom part, and the lid is bent with respect to the one side part in this state to face the bottom part. A packaging box formed into a shape,
A plurality of crease lines for changing the folding position are provided on each of the four side portions and the lid portion in parallel to each side of the bottom portion at regular intervals ,
On the side of the side of the bottom located on the side opposite to the lid, a tongue piece is provided by cutting across the side that is continuous therewith, and in the bent portion of the side with respect to the bottom. Locking holes are provided on both sides of the tongue piece,
An insertion portion that is inserted into the locking hole is provided in a side portion of the lid portion that is located on the side opposite to the bottom portion, and a tongue locking hole into which the tongue piece portion is inserted is provided in the insertion portion. A packaging box, wherein a plurality of fold lines are provided at intervals twice as long as the crease lines, and a plurality of insertion crease lines are provided corresponding to the plurality of tongue locking holes . A packing spacer for filling the empty space of the packaged product stored in the packaging box and holding the packaged product,
One sheet member, a rectangular main body disposed in the packaging box, and a pedestal disposed on both upper surfaces of the main body so as to be foldable on both sides of the main body, Provided with four variable placement portions disposed on the pedestal portion and provided on the side portions of the main body portion different from the pedestal portion so as to be bendable,
Engagement pieces are provided at the respective distal end portions of the four variable placement portions, and these four variable placement portions are arranged to change the installation position with respect to the pedestal portion by changing the folding position. A plurality of crease lines are provided at predetermined intervals, and the base portion has a plurality of locking holes into which the engaging pieces of the four variable mounting portions are inserted according to the height of the variable mounting portions. A packing spacer characterized by being provided at predetermined intervals. The pedestal portion includes a first rising portion that is foldable on both sides of the main body portion, and a fixed mounting portion that is foldably provided on the first rising portion and on which the variable mounting portion is disposed. A second rising portion provided in the fixed mounting portion so as to be bendable, and a bottom plate portion provided in the second rising portion so as to be bendable, wherein the plurality of locking holes are provided in the fixed mounting portion. packing spacer of claim 2 but which is characterized in that each provided at predetermined intervals.

Images