JP6960222B2 - Storage box and storage box with winding body - Google Patents

Description

The present invention relates to a storage box and a storage box containing a wound body.

The storage box in which the wrap film used for packaging foods and the like is stored includes a rectangular parallelepiped main body having an opening at the top. The rear plate provided in the main body includes the top of the rear plate, which is the top that partitions the opening. The lid for closing the opening is rotatably connected to the top of the rear plate. In this type of storage box, a proposal has been made to prevent the lid top plate of the lid from rising from the opening when the lid is closed. For example, the main body side plate provided in the main body is provided with a flap piece protruding outward, and the inner surface of the lid side plate provided in the lid portion is a stepped portion capable of engaging with the flap piece at a position facing the main body side plate. To be equipped. Then, when the opening is closed by the lid, the lid side plate faces the main body side plate and the flap piece engages with the step portion, whereby the lid top plate is prevented from being lifted from the opening (for example). , Patent Document 1).

Japanese Unexamined Patent Publication No. 08-40434

By the way, in the storage box provided with the flap piece described above, the top of the side plate, which is the top of the side plate of the main body, is located at the same height as the top of the front plate, which is the top of the front plate of the main body. The sides and top of the front plate border the opening closed by the lid top plate. On the other hand, when the lid top plate of the lid closes the opening, the side plate top edge that borders the opening is directed toward the step portion on the inner surface of the lid side plate, that is, approximately from the side plate top edge that borders the opening. The flap piece extends downward toward the bottom. Therefore, in the operation of opening the lid portion, it is necessary to rotate the flap piece from downward to upward while bending it. As a result, in the above-mentioned storage box, a load is applied when the lid portion is opened, and it is desired to suppress this load. The request to reduce the load when opening the lid is not limited to the storage box for storing the wound body described above, but also for the storage box that suppresses the lifting of the lid by engaging the flap piece with the stepped portion. Common.

In view of the above problems, it is an object of the present invention to provide a storage box capable of reducing the load when opening the lid portion and a storage box containing a wound body.

The storage box for solving the above-mentioned problems is a main body having a rectangular parallelepiped shape, and has a rear plate having a rear plate top edge which is a top edge for partitioning an opening and a top edge for partitioning the opening. A main body portion having a front plate having a front plate top edge facing the rear plate, and a pair of main body side plates forming the rectangular parallelepiped end face at right angles to the front plate and the rear plate. A lid portion that is rotatably connected to the top of the rear plate and covers the opening is provided, and the side plate of the main body has a top of the side plate that is the top of the side plate of the main body as the top of the front plate. A flap piece protruding outward and downward from the top of the side plate is further provided at a lower position, and the inner surface of the lid portion is provided with a step portion that engages with the flap piece when the lid portion is closed. ..

According to the above-described configuration, the side plate top edge, which is the base end of the flap piece, is located lower than the front plate top edge. In the closed state in which the lid portion closes the opening, the base end of the flap piece functions as a portion for pressing the lid side plate outward. The lower the position of the top side of the side plate, the closer the portion for pressing the side plate of the lid to the outside is closer to the lower end of the side plate of the lid, and the gap between the side plate of the lid and the side plate of the main body is easily expanded by this pressing. Therefore, in the operation of opening the lid portion, the position of the top side of the side plate is lower than that of the top side of the front plate, so that the load required for rotating the flap piece while bending it is reduced. As a result, it is possible to reduce the difficulty of opening the lid portion.

In the storage box, either one of the front plate and the rear plate is a reference plate, and the ratio of the height of the main body side plate to the height of the reference plate is 0.60 or more and 0.95 or less. There may be.

The lower the height of the side plate of the main body, the lighter the load required to rotate the flap piece while bending it. The height ratio, which is the ratio of the height of the side plate of the main body to the height of the reference plate, is a parameter indicating the degree of load required for the rotation of the flap piece described above. According to the above configuration, since the height ratio is 0.95 or less, it is easy to obtain the effect of reducing the difficulty of opening the opening. On the other hand, since the height ratio is 0.60 or more, it is possible to suppress a decrease in the strength of the main body due to the low height of the main body side plate.

In the storage box, the ratio of the width of the flap piece to the width of the side plate of the main body in the front-rear direction may be 0.49 or more and 0.77 or less.
The degree of engagement between the flap piece and the step portion increases as the width of the flap piece increases. The width ratio, which is the ratio of the width of the flap piece to the width of the side plate of the main body, is a parameter indicating the degree of engagement between the flap piece and the step portion. Further, this width ratio is also a parameter indicating the degree of load required for the rotation of the flap piece described above. According to the above configuration, since this width ratio is 0.49 or more, it is easy to obtain the effect of suppressing the lid top plate from being lifted by the engagement between the flap piece and the stepped portion. On the other hand, since this width ratio is 0.77 or less, the effect of reducing the difficulty of opening the lid portion can be easily obtained.

In the storage box, the front plate includes a front plate flap piece, the rear plate includes a rear plate flap piece, and the front plate flap piece and the rear plate flap piece are arranged inside the main body side plate. At least one of the front plate flap piece and the top edge of the rear plate flap piece may be located below the top edge of the front plate in the height direction.

According to the above configuration, the front plate flap piece and the rear plate flap piece are arranged inside the main body side plate, and the main body side plate is reinforced by these front plate flap pieces and the rear plate flap piece. As a result, it is possible to suppress a decrease in the strength of the main body portion due to the low height of the main body side plate. Further, since at least one of the front plate flap piece and the top of the rear plate flap piece is located below the top of the front plate in the height direction, the top of the front plate flap piece or the rear plate flap piece is located. It is possible to suppress the hindrance of closing the opening. Further, when the object to be stored in the storage box is taken out from the main body, at least one of the top edge of the front plate flap piece or the top edge of the rear plate flap piece is below the top edge of the front plate in the height direction. Because it is located, it is easy to put a finger or the like in the storage box, and it is easy to take out the target.

In the storage box, the lid portion covers a part of the lid upper plate that closes the opening, a cover plate that covers a part of the front plate, and a part of the main body side plate in a state where the lid portion is closed. The lid side plate is provided, the cover plate is provided with a cover flap, the cover flap is arranged on the inner surface of the lid side plate, and the step portion is on the inner surface of the lid side plate. The ratio of the length of the step portion in the height direction to the length of the lid side plate in the height direction, which is located between the plate and the lid side plate, may be 0.20 or more and 0.63 or less.

The step ratio, which is the ratio of the height of the step portion to the height of the lid side plate, is a parameter indicating the degree of load required for the rotation of the flap piece described above. The larger the step ratio, the closer the position of the flap piece in the closed state is to the lower end of the lid side plate, and the higher the above-mentioned effect obtained by lowering the position of the top side of the side plate. According to the above configuration, since the step ratio is 0.20 or more, the effect of reducing the load when opening the lid portion can be easily obtained. On the other hand, since the step ratio is 0.63 or less, it is possible to suppress a decrease in the strength of the lid side plate due to the height of the step portion being excessively large. Further, for example, assuming that the heights of the cover flaps are equal to each other, if the step ratio, which is the ratio of the height of the step portion to the height of the lid side plate, is 0.20 or more and 0.63 or less, the cover flap is Since it is adhered near the lower end of the lid side plate, the adhesive strength between the lid side plate and the cover flap is improved.
A storage box containing a winding body for solving the above problems includes a winding body in which a long thin film is wound and the storage box described above.

According to the present invention, it is possible to reduce the load when opening the lid portion.

The perspective view which shows the perspective structure in one Embodiment of the storage box containing a winding body. The perspective view which shows the perspective structure in one Embodiment of the storage box containing a winding body. A partial front view showing a part of the front structure of the storage box. The side view which shows the side structure of the main body part in a storage box. It is a side view which shows the side structure of the storage box, and is the figure which shows the storage box in a closed state. It is a side view which shows the side structure of the main body part in the storage box of the modified example.

A storage box and a storage box containing a wound body will be described with reference to FIGS. 1 to 5.

FIG. 1 shows a perspective structure of a storage box containing a wound body, and shows a closed state in which the lid portion closes the opening. FIG. 2 shows a perspective structure of a storage box containing a wound body, and shows an open state in which the lid portion opens an opening.

As shown in FIG. 1, the wound body storage box 10, which is an example of the storage box, includes a main body portion 20 and a lid portion 30, and has a rectangular parallelepiped shape extending in one direction. The main body 20 and the lid 30 are distinguished from each other in terms of their functions, but the main body 20 and the lid 30 are assembled from a single piece of base paper cut out. The portion of the wound body storage box 10 excluding the cutting blade 40 is formed by assembling one thick paper such as coated cardboard having a thickness of 0.45 mm or more and 0.7 mm or less, and has elasticity. doing. The surfaces of the main body 20 and the lid 30 are, for example, printed with a design for motivating consumers to purchase, and the entire surface is treated.

As shown in FIG. 2, the wrap film 60, which is an example of a long thin film, is, for example, a wound body having a roll shape wound around a paper tube having a cylindrical shape. The axis of the wrap film 60 housed in the main body 20 extends in the left-right direction. Each plate constituting the main body portion 20 has a size for partitioning a space having a size capable of accommodating the wrap film 60. The constituent materials of the wrap film 60 are, for example, polyvinylidene chloride, polyethylene, polyvinyl chloride and the like. The wrap film 60, which is the storage target of the winding body storage box 10, is stored in the space partitioned by the main body 20.

The main body 20 has a rectangular parallelepiped shape for accommodating the wrap film 60. The main body portion 20 includes a main body bottom plate 21 having a rectangular plate shape, which is the bottom portion of the main body portion 20, and a main body peripheral portion 22 having a rectangular tubular shape erected on the main body bottom plate 21. The opening 22H located on the side opposite to the bottom plate 21 of the main body in the peripheral portion 22 of the main body has a rectangular frame shape in a plan view. The main body portion 20 having a rectangular parallelepiped shape has one of four rectangular surfaces parallel to the axis of the wrap film 60 as an open opening 22H. In the following description, the opening 22H side with respect to the horizontal plane is on the upper side and the horizontal plane side with respect to the opening 22H is on the lower side with reference to the state in which the winding body storage box 10 is arranged so that the main body bottom plate 21 abuts on the horizontal plane. And.

The main body peripheral portion 22 includes a main body front plate 23, a main body rear plate 24, a right main body side plate 25, and a left main body side plate 26. The bottom sides of the main body front plate 23, the main body rear plate 24, the right main body side plate 25, and the left main body side plate 26 are connected to the edge of the main body bottom plate 21. Each top of the main body front plate 23, the main body rear plate 24, the right main body side plate 25, and the left main body side plate 26 borders the opening 22H of the main body peripheral portion 22. The main body bottom plate 21, the main body front plate 23, and the main body rear plate 24 include a rectangular surface parallel to the axis of the wrap film 60, and have a rectangular plate shape having substantially the same shape extending in the left-right direction along the horizontal plane. The main body front plate 23 and the main body rear plate 24 face each other in the front-rear direction along the horizontal plane.

The right main body side plate 25 includes the outer surface of the main body portion 20, and is bent from the main body bottom plate 21 with the right end side of the main body bottom plate 21 as a bending axis. The left main body side plate 26 also includes the outer surface of the main body portion 20, and is bent from the main body bottom plate 21 with the left short side of the main body bottom plate 21 as a bending axis. The right main body side plate 25 and the left main body side plate 26 include a rectangular surface orthogonal to the opening 22H, have rectangular plate shapes having substantially the same shape as each other, and face each other in the left-right direction. The right main body side plate 25 and the left main body side plate 26 determine the shape of the space partitioned by the main body portion 20. The fact that the right main body side plate 25 and the left main body side plate 26 have a rectangular plate shape having substantially the same shape includes that the space partitioned by the main body portion 20 has a difference within a range that does not hinder the rotation of the wrap film 60. Means.

The upper portion of the right main body side plate 25 includes a right flap piece 27 having a band shape extending in the front-rear direction. The right flap piece 27 is a portion in which the upper end portion of the right main body side plate 25 is bent outward from the main body portion 20. The right flap piece 27 is bent with the top edge of the right side plate 25, which is the top edge of the right body side plate 25, as a bending axis, and due to the folding habit here, the right flap piece 27 projects downward to the outside of the right body side plate 25. The upper portion of the left main body side plate 26 includes a left flap piece 28 having a band shape extending in the front-rear direction. The left flap piece 28 is a portion in which the upper end portion of the left main body side plate 26 is bent outward from the main body portion 20. The left flap piece 28 is bent with the top of the left side plate 26, which is the top of the left main body side plate 26, as a bending axis, and due to the folding habit here, the left flap piece 28 projects downward to the outside of the left main body side plate 26.

The main body front plate 23 includes a front plate flap piece 23F connected to the inside of the right main body side plate 25. The front plate flap piece 23F is bent with the right end side 23R of the main body front plate 23 as a bending axis, and the right end side 23R, which is the bending axis, and the front end side 25R of the right main body side plate 25 are substantially overlapped with each other. It is attached to the inside of the plate 25. The fact that the right end side 23R of the main body front plate 23 and the front end side 25R of the right main body side plate 25 substantially overlap means that the right end side 23R and the front end side 25R are separated by the thickness of the right main body side plate 25. Means to include. The right end side 23R of the main body front plate 23 also serves as the front end side 23FR of the front plate flap piece 23F. That is, the length of the right end side 23R of the main body front plate 23 in the vertical direction is equal to the length of the front end side 23FR of the front plate flap piece 23F in the vertical direction. The heights at which the front plate top side 23T, which is the top side of the main body front plate 23, and the flap top side 23FT, which is the top side of the front plate flap piece 23F, are located are substantially the same in the vertical direction (height direction). There is. The fact that the flap top side 23FT and the front plate top side 23T substantially coincide with each other in the height direction means that the thickness range of the main body front plate 23 is included.

Further, the main body front plate 23 includes another front plate flap piece 23F connected to the inside of the left main body side plate 26. The front plate flap piece 23F is bent with the left end side 23L of the main body front plate 23 as a bending axis, and the left main body so that the left end side 23L, which is the bending axis, and the front end side 26L of the left main body side plate 26 substantially overlap. It is attached to the inside of the side plate 26. The fact that the left end side 23L of the main body front plate 23 and the front end side 26L of the left main body side plate 26 substantially overlap means that the left end side 23L and the front end side 26L are separated by the thickness of the left main body side plate 26. Means to include. The left end side 23L of the main body front plate 23 also serves as the front end side 23FL of the front plate flap piece 23F. That is, the length of the left end side 23L of the main body front plate 23 in the vertical direction is equal to the length of the front end side 23FL of the front plate flap piece 23F in the vertical direction. The heights at which the front plate top side 23T and the flap top side 23FT are located are substantially the same in the height direction.

The main body rear plate 24 includes a rear plate flap piece 24F connected to the inside of the right main body side plate 25. The rear plate flap piece 24F is bent with the right end side 24R of the main body rear plate 24 as a bending axis, and the right end side 24R, which is the bending axis, and the rear end side 25B of the right main body side plate 25 are substantially overlapped with each other. It is attached to the inside of the side plate 25. When the right end side 24R and the rear end side 25B of the right body side plate 25 substantially overlap, the right end side 24R and the rear end side 25B of the right body side plate 25 are separated by the thickness of the right body side plate 25. Means to include. The right end side 24R of the main body rear plate 24 also serves as the rear end side 24BR of the rear plate flap piece 24F. That is, the length of the rear end side 24BR of the rear plate flap piece 24F in the vertical direction is equal to the length of the right end side 24R of the main body rear plate 24 in the vertical direction. The heights at which the flap top side 24FT, which is the top side of the rear plate flap piece 24F, and the rear plate top side 31B are located are substantially the same in the height direction. The fact that the flap top side 24FT and the rear plate top side 31B substantially coincide with each other in the height direction means that the thickness range of the main body rear plate 24 is included.

Further, the main body rear plate 24 includes another rear plate flap piece 24F connected to the inside of the left main body side plate 26. The rear plate flap piece 24F is bent with the left end side 24L of the main body rear plate 24 as a bending axis, and the left end side 24L, which is the bending axis, and the rear end side 26B of the left main body side plate 26 are substantially overlapped on the left side. It is attached to the inside of the main body side plate 26. When the left end side 24L of the main body rear plate 24 and the rear end side 26B of the left main body side plate 26 substantially overlap, the left end side 24L and the rear end side 26B are separated by the thickness of the left main body side plate 26. Means to include. The left end side 24L of the main body rear plate 24 also serves as the rear end side 24BL of the rear plate flap piece 24F. That is, the length of the rear end side 24BL of the rear plate flap piece 24F in the vertical direction is equal to the length of the left end side 24L of the main body rear plate 24 in the vertical direction. Further, the heights at which the flap top side 24FT, which is the top side of the rear plate flap piece 24F, and the rear plate top side 31B are located are substantially the same in the height direction.

Almost the entire inner surface of the right main body side plate 25 is supported by the front plate flap piece 23F and the rear plate flap piece 24F attached to the inner surface. Almost the entire inner surface of the left main body side plate 26 is also supported by the front plate flap piece 23F and the rear plate flap piece 24F attached to the inner surface.

The lid portion 30 is rotatably connected to the rear plate top side 31B, which is the top side of the main body rear plate 24. The lid portion 30 includes a lid upper plate 31, a cover plate 32, a right lid side plate 33, and a left lid side plate 34. The lid top plate 31 has a rectangular shape having substantially the same shape as the opening 22H. The fact that the lid top plate 31 has a rectangular shape having substantially the same shape as the opening 22H means that the lid top plate 31 has the thickness of the cover plate 32, the thickness of the right lid side plate 33, and the thickness of the left lid side plate 34. It means that a gap that is larger than the opening 22H by these thicknesses and does not hinder the rotation of the lid portion 30 is formed between the outer surface of the main body portion 20 and the inner surface of the lid portion 30. doing.

The right lid side plate 33 and the left lid side plate 34 have a rectangular plate shape having substantially the same shape as each other. The cover plate 32 has a pentagonal plate shape with the front end side of the lid top plate 31 as one side. The lid top plate 31 in the closed state covers the opening 22H of the main body 20 and faces the bottom plate 21 of the main body in the vertical direction. The right lid side plate 33 in the closed state covers the upper part of the right main body side plate 25 in the main body 20, and the left lid side plate 34 covers the upper part of the left main body side plate 26 in the main body 20. The cover plate 32 in the closed state has a pentagonal shape having the largest vertical width at the central portion in the horizontal direction, and the lower end side of the cover plate 32 has a substantially V shape. The cover plate 32 in the closed state has a size that allows the wrap film 60 pulled out from the wound body to be sandwiched between the front plate 23 of the main body and the cover plate 32.

The cover plate 32 includes a right cover flap 33b connected to the inner surface 33a of the right lid side plate 33. Further, the cover plate 32 includes a left cover flap 34b connected to the inner surface 34a of the left lid side plate 34. The right cover flap 33b is located away from the lid upper plate 31, and forms a stepped portion 33S which is a recess sandwiched between the lid upper plate 31 and the right cover flap 33b on the inner surface 33a of the right lid side plate 33. There is. The left cover flap 34b is also located away from the lid upper plate 31, and is a stepped portion 34S which is a recess sandwiched between the lid upper plate 31 and the left cover flap 34b on the inner surface 34a of the left lid side plate 34. Is forming. In the closed state, the tip of the right flap piece 27 fits into the step portion 33S and engages with the step portion 33S. In the left flap piece 28 in the closed state, the tip of the left flap piece 28 fits into the step portion 34S and engages with the step portion 34S. By these engagements, the lifting of the lid upper plate 31 of the opening 22H in the closed state is suppressed.

The cutting blade 40 is a plate-shaped blade having a plurality of cutting edges arranged in a saw-like shape. The cutting blade 40 has a V shape along the lower end side of the cover plate 32. The cutting blade 40 is attached to a portion of the inner surface of the cover plate 32 including the lower end side of the cover plate 32. The cutting edge of the cutting blade 40 protrudes from the lower end of the cover plate 32. The material constituting the cutting blade 40 may be, for example, made of resin or metal. When the wrap film 60 is pulled out from the wound body storage box 10, the cutting edge of the cutting blade 40 may be exposed from the lid plate 32. When the wound body storage box 10 is stored or transported, the cutting edge of the cutting blade 40 may be covered with another member.

When using the wrap film 60 stored in the winding body storage box 10, the user opens, for example, the closed lid portion 30 and inserts the wrap film 60 from between the main body front plate 23 and the cover plate 32. It is pulled out by hand to grasp the tip thereof, the lid portion 30 is closed again, and the wound body storage box 10 in the closed state is grasped by the other hand. Then, the user presses the central portion of the cover plate 32 with his / her thumb to rotate the winding body storage box 10 with the left-right direction as the axial direction. The cutting edge of the cutting blade 40 pierces the wrap film 60 by this rotation and cuts the wrap film 60.

Next, with reference to FIG. 3, the height of the main body side plates 25 and 26 and the width of the main body side plates 25 and 26 in the front-rear direction will be described. The width of each of the flap pieces 27 and 28 in the front-rear direction will be described with reference to FIG. The heights of the stepped portions 33S and 34S will be described with reference to FIG. The wound body storage box 10 is plane-symmetrical with respect to the target surface passing through the center of the wound body storage box 10 in the left-right direction. In the following, the structures of the right main body side plate 25, the right flap piece 27, and the step portion 33S will be described in detail, and the structures of the left main body side plate 26, the left flap piece 28, and the step portion 34S will overlap. I will omit the explanation.

As shown in FIG. 3, the height H1 of the main body front plate 23 is equal to the height of the front plate flap piece 23F, and the height H2 of the right main body side plate 25 is the height of these main body front plates 23. It is lower than the height of H1 and the front plate flap piece 23F. At this time, the height H1 refers to the height from the bottom side of the main body front plate 23 to the front plate top side 23T, and the height H2 is the bending shaft of the right end side of the main body bottom plate 21 (the bottom side of the right main body side plate 25). The height from to the top of the side plate 25T. Here, when the upper portion of the right main body side plate 25 has a notch shape, the height H2 is determined by setting the side having the highest height as the side plate top side 25T. The protruding direction of the right flap piece 27 is diagonally downward from the side plate top side 25T, which is the uppermost position of the right main body side plate 25.
The side plate top side 25T has the bottom of the right flap piece 27 and both sides of the bottom are linear (the bottom of the right flap is included in a straight line), or both sides of the bottom of the right flap piece 27. Includes sides where is low. With this configuration, since there are no plate portions constituting the right main body side plate 25 on both sides of the right flap piece 27, the right flap piece 27 protruding outward can be easily folded and molded at the time of manufacturing.

When transitioning from the open state to the closed state described above, the right lid side plate 33 of the lid portion 30 covers the right main body side plate 25 downward from the side plate top side 25T which is the top of the right main body side plate 25. .. At this time, as shown by the broken line in FIG. 3, the right flap piece 27 is bent so that the protruding direction of the right flap piece 27 is further downward, and in this state, enters the step portion 33S of the right lid side plate 33. Here, the lower the position of the side plate top side 25T, which is the base end of the right flap piece 27, the closer the position of the right flap piece 27 is to the lower end of the right lid side plate 33. The base end of the right flap piece 27 functions as a portion for pressing the right lid side plate 33 toward the outside of the right main body side plate 25. The gap between the right lid side plate 33 and the right main body side plate 25 is more likely to be expanded by pressing the right flap piece 27 as the position of the side plate top side 25T is lower. As a result, in the operation of opening the opening 22H, that is, in the operation of changing the protruding direction of the right flap piece 27 from downward to upward, the right flap piece 27 is rotated while being warped by the amount that the height H2 is lower than the height H1. The load required for this is reduced. Then, it becomes possible to reduce the difficulty of opening the opening 22H.

The main body front plate 23 is an example of a reference plate, and the main body rear plate 24 may be used as a reference plate. At this time, the height H1 when the main body rear plate 24 is used as a reference plate means the height from the bottom side of the main body rear plate 24 to the rear plate top side 31B. The height ratio, which is the ratio of the height H2 to the height H1 of the reference plate, is preferably 0.60 or more and 0.95 or less. It is more preferably 0.70 or more and 0.93 or less, and further preferably 0.80 or more and 0.91 or less. By setting the range to a more preferable range, a storage box having both ensuring the strength of the side surface formed by the main body side plates 25 and 26 of the wound body storage box 10 and stabilizing the ease of opening the lid portion 30. Can be. This height ratio is a parameter indicating the degree of load for changing the protruding direction of the right flap piece 27 from downward to upward. The load for changing the protruding direction of the right flap piece 27 from downward to upward is lighter as the height H2 is lower, that is, as the height ratio is smaller. When the height ratio is 0.95 or less, the effect of reducing the load when opening the lid portion 30 can be easily obtained. On the other hand, if the height ratio is 0.60 or more, it is possible to suppress the decrease in strength of the main body portion 20 due to the small height H2 and sufficiently secure the engagement between the right flap piece 27 and the step portion 33S. Become.

As shown in FIG. 4, the right flap piece 27 has a trapezoidal shape with a part of the side plate top side 25T of the right main body side plate 25 as the base. The shape of the right flap piece 27 can be a rectangular shape other than the trapezoidal shape as long as it fits into the stepped portion 33S formed on the inner surface of the right lid side plate 33. Is. The width W2 in the front-rear direction at the bottom of the right flap piece 27 is smaller than the width W1 in the front-rear direction of the right main body side plate 25. The protrusion amount of the right flap piece 27 is preferably in the range of 2 mm or more and 6 mm or less, and if the protrusion amount is 6 mm or less, the physical contact between the right lid side plate 33 and the right flap piece 27 when the lid portion 30 is opened. Since the interference is suppressed, the rotation of the right flap piece 27 proceeds smoothly. When the amount of protrusion is 2 mm or more, it is easy to secure the engagement between the step portion 33S and the right flap piece 27.

In the closed state described above, the width ratio, which is the ratio of the width W2 to the width W1, is a parameter indicating the degree of engagement between the right flap piece 27 and the step portion 33S. Further, this width ratio is also a parameter indicating the degree of load required to rotate the right flap piece 27 while bending it in the operation of changing the protruding direction of the right flap piece 27 from downward to upward. At this time, the width W1 refers to the length of the side plate top side 25T, and the width W2 refers to the length of the bottom side of the right flap piece 27 formed on the side plate top side 25T. In addition, when the side plate top side 25T does not have a linear shape extending in the front-rear direction, but has a notch shape in which a part of the side plate top side 25T is convex upward, for example, the length of the side plate top side 25T In this case, the width W1 is the width of the right main body side plate 25 in the front-rear direction because it is different from the width W1. This width ratio is preferably 0.49 or more and 0.77 or less. It is more preferably 0.53 or more and 0.72 or less, and further preferably 0.58 or more and 0.67 or less. If the width ratio is in a more preferable range, the right flap piece 27 can be stably rotated from downward to upward when the lid portion 30 is opened, and the right flap piece 27 can be easily pushed down again when the lid portion 30 is closed. When the width ratio is 0.49 or more, it becomes easy to obtain the effect of suppressing the lid upper plate 31 from being lifted by the engagement between the right flap piece 27 and the step portion 33S. On the other hand, when the width ratio is 0.77 or less, the effect of reducing the load when opening the lid portion 30 can be easily obtained. The position of the right flap piece 27 on the side plate top side 25T is preferably located near the center of the right main body side plate 25 because the right flap piece 27 can be easily rotated when the lid portion 30 is opened and closed.

As shown in FIG. 5, the step portion 33S is located between the lid upper plate 31 and the right cover flap 33b, and is formed substantially entirely in the front-rear direction of the right lid side plate 33. The right flap piece 27 in the closed state described above is located at the step portion 33S so that the tip of the right flap piece 27 comes into contact with the upper side of the right cover flap 33b.

The step ratio, which is the ratio of the height H4 of the step portion 33S to the height H3 of the right lid side plate 33, is such that the right flap piece 27 is rotated while being warped in the operation of changing the protruding direction of the right flap piece 27 from downward to upward. It is a parameter indicating the degree of load required for this. The larger the step ratio, the higher the above-mentioned effect obtained by lowering the position of the side plate top side 25T. At this time, the height H3 refers to the length from the top side 33T of the right lid side plate, which is the top side of the right lid side plate 33, to the lower side 33U of the right lid side plate, which is the lower side of the right lid side plate 33. H4 refers to the length from the top side 33T of the right lid side plate to the upper side 33bT of the right cover flap, which is the upper side of the right cover flap 33b. This step ratio is preferably 0.20 or more and 0.63 or less. It is more preferably 0.23 or more and 0.50 or less, and further preferably 0.27 or more and 0.40 or less. When the step ratio is 0.20 or more, the effect of reducing the difficulty of opening the lid portion 30 can be easily obtained. Further, by setting the step ratio to a more preferable range, it is possible to provide a storage box that stably has both the strength of the side surface of the lid portion 30 and the ease of opening and closing of the lid portion 30. On the other hand, when the step ratio is 0.63 or less, it is possible to suppress a decrease in the strength of the right lid side plate 33 due to the large height of the step portion 33S.

表１の各実施例が示すように、脇板頂辺を前板頂辺よりも低い位置にし、各比率を好ましい範囲とすることで、比較例よりも蓋部３０が開けやすい、および、蓋上板３１が浮き上がることを抑えることができた。また、試験例１、３においても、少なくとも蓋部３０が開けやすいことは認められた。なお、試験例２においては、比較例よりもフラップ片の幅（Ｗ２）が広いがため、脇板頂辺を前板頂辺よりも低くすることによる、比較例よりも開けやすいという効果が、フラップ片の幅（Ｗ２）の拡張によって低下していることが認められた。これは、実施例１から５のように、脇板頂辺を前板頂辺よりも低い位置にし、かつ、フラップ片の幅（Ｗ２）を好ましい範囲とすることによって、上述したように、蓋部３０が開けやすいこと、および、蓋上板３１が浮き上がることが抑えること、これらの両立が可能であることを示唆するものでもある。 Hereinafter, the present invention will be described with reference to Examples, Comparative Examples, and Test Examples, but the present invention is not limited thereto.
(Storage box)
Using the front plate as a reference plate, the height of the front plate (H1) is 42 mm, the height of the rear plate is 43 mm, the width of the side plate of the main body (W1) is 43 mm, the height of the side plate of the lid (H3) is 30 mm, and the front plate is used. The height of the plate flap piece is the same as the height of the front plate, the height of the rear plate flap piece is the same as the rear plate, the height of the side plate of the main body (H2), the width of the flap piece (W2), and the height of the stepped portion. (H4) was set as shown in Table 1, and a paper winding body storage box was created. The top of the side plate of the storage box is provided with a flap piece protruding outward, and the inner surface of the lid portion is provided with a step portion that engages with the flap piece. The amount of protrusion of the flap piece was 3.5 mm.
(sensory evaluation)
A sensory evaluation was performed using the prepared storage box. In the sensory evaluation, the operation of opening and closing the lid of each storage box was alternately repeated 5 times, and the load when opening the lid and the lifting of the lid were evaluated. The level at which the lid 30 is very easy to open and the lid top plate 31 is suppressed from rising is "◎", and the level at which the lid 30 is easy to open and the lid top plate 31 is suppressed from lifting is set to "◎". "○", the lid portion 30 is easy to open, and the level at which the lid top plate 31 is lifted is "Δ". Indicates the same level or a level that is difficult to open as "x".

As shown in each embodiment of Table 1, by setting the top edge of the side plate to a position lower than the top edge of the front plate and setting each ratio in a preferable range, the lid portion 30 can be opened more easily than in the comparative example, and the lid. It was possible to prevent the upper plate 31 from rising. Also, in Test Examples 1 and 3, it was confirmed that at least the lid portion 30 was easy to open. In Test Example 2, since the width (W2) of the flap piece is wider than that in Comparative Example, the effect of making the top edge of the side plate lower than the top edge of the front plate makes it easier to open than in Comparative Example. It was found that the flap piece was reduced by the expansion of the width (W2). This is done by setting the top edge of the side plate to a position lower than the top edge of the front plate and setting the width (W2) of the flap piece to a preferable range as in Examples 1 to 5, as described above. It also suggests that the portion 30 is easy to open and that the lid upper plate 31 is suppressed from being lifted, and that both of these can be achieved.

As described above, according to the above embodiment, the effects listed below can be obtained.
(1) Since the position of the top of each side plate is lower than the top of the front plate 23T, the gap between the right lid side plate 33 and the right main body side plate 25 is expanded by pressing the right flap piece 27. Therefore, it is possible to reduce the load when opening the lid portion 30.

(2) Since either the front plate or the rear plate is used as the reference plate and the height ratio of the main body side plate to the height of the reference plate is 0.60 or more and 0.95 or less, the above (1) is applied. This effect can be obtained, and the engagement between the right flap piece 27 and the stepped portion 33S can be sufficiently ensured.

(3) Since the width ratio of the flap piece to the width of the side plate of the main body is 0.49 or more and 0.77 or less, the effect according to the above (1) can be obtained, and the right flap piece 27 and the step portion 33S It is also possible to secure sufficient engagement.

(4) Since the front plate flap piece 23F and the rear plate flap piece 24F are connected to the inside of the main body side plates 25 and 26, the front plate flap piece 23F and the rear plate flap piece 24F are connected to the side of each main body. The plates 25 and 26 are reinforced.

(5) Since the step ratio, which is the ratio of the length of the step portion in the height direction to the length of the lid side plate in the height direction, is 0.20 or more and 0.63 or less, the effect according to (1) above. It is also possible to suppress a decrease in strength of the right lid side plate 33 due to an excessively large height of the stepped portion 33S.

(6) Since the position of the top edge of each side plate is lower than the top edge 23T of the front plate, the size of the base paper required for the side plates 25 and 26 of the main body can be reduced.

(7) Since the position of the top edge of each side plate is lower than the top edge 23T of the front plate and there are no side plate portions of the main body on both sides of each flap piece 27, 28, each flap piece 27, 28 protruding outward is formed. , Easy to fold and mold during manufacturing.

The above embodiment can be modified and implemented as follows.
[Main body side plate]
The main body side plates 25 and 26 are not connected to the main body bottom plate 21, but can be connected to the main body front plate 23. At this time, the flap pieces connected to the inner surfaces of the main body side plates 25 and 26 are connected to at least one of the main body bottom plate 21 and the main body rear plate 24.
The side plates 25 and 26 of the main body are not connected to the bottom plate 21 of the main body, but can be connected to the rear plate 24 of the main body. At this time, the flap pieces connected to the inner surfaces of the main body side plates 25 and 26 are connected to at least one of the main body bottom plate 21 and the main body front plate 23.
The main body side plate 25 has a configuration in which a side plate top 25T, which is the top of the main body side plate 25, is provided with a portion lower than the front plate top 23T, and a right flap piece 27 protruding outward and downward from the portion is provided. Just do it. That is, the main body side plate 25 can be provided with a portion lower than the bottom side of the right flap piece 27 in a part of the side plate top side 25T. The configuration of the main body side plate 26 is also the same as that of the main body side plate 25.

[Step]
The stepped portions 33S and 34S can be formed as a recess sandwiched between a piece of paper attached to the inner surface of each stepped portion 33S and 34S and the lid upper plate 31. Further, each of the stepped portions 33S and 34S can be formed as a recess sandwiched between a pair of upper and lower pieces of paper attached to the inner surface of each of the stepped portions 33S and 34S. In short, the stepped portions 33S and 34S may be recesses located on the inner surfaces of the lid side plates 33 and 34, and may be configured to be engaged with the flap pieces 27 and 28.

[Flap piece]
-At least one of the front plate flap piece 23F and the rear plate flap piece 24F can be omitted.
-At least one of the top edge of the front plate flap piece 23F or the top edge of the rear plate flap piece 24F can be located below the front plate top edge 23T in the height direction. With this configuration, when the storage target is taken out from the main body for some reason, it is easy to put a finger in the storage box to take out the storage target, and the operation becomes easy. Further, it is also possible to prevent the top edge of the front plate flap piece 23F or the rear plate flap piece 24F from hindering the closing of the opening of the main body portion 20.
-It is also possible to make the height of the side plate top 25T lower than the height of the paper tube 61 around which the wrap film 60 is wound. At this time, as shown in FIG. 6, the front plate flap piece 23F and the rear plate flap piece 24F have a shape that exposes the upper portion of the paper tube 61 when viewed from the direction facing the right main body side plate 25. Is also possible. If the height of the side plate top edge 25T is lower than the height of the paper tube 61, and the front plate flap piece 23F and the rear plate flap piece 24F have a shape that exposes the upper part of the paper tube 61, the paper tube 61 It is possible to touch the side surface of the paper tube 61 with a finger or the like in order to take out the paper tube 61. Therefore, it becomes easy to store the wrap film 60 in the storage box and to take out the wrap film 60 from the storage box.
In the configuration in which the upper portion of the paper tube 61 and the bottom side 27T of the right flap piece 27 overlap when viewed from the direction facing the right main body side plate 25, only the bottom side 27T of the side plate top sides 25T is the paper tube. It is also possible to make the configuration lower than the height of 61. Even with such a configuration of the base 27T, the above-mentioned effect can be obtained. Alternatively, the bottom 27T of the side plate top 25T may be lower than the height of the paper tube 61, and both sides of the bottom 27T may be even lower than the bottom 27T. With such a configuration of the side plate top side 25T, as described in the above embodiment, the right flap piece 27 can be easily folded and molded at the time of manufacturing. It is possible to apply such a modification to the left flap piece 28 as well.

[others]
-The long objects that make up the winding body can be changed to aluminum foil or paper. Further, the object to be accommodated in the storage box may be other than the wound body.
-The lower end of the cover plate 32 can be a straight line extending in the left-right direction, and if there is no request to cover a part of the front plate 23 of the main body, the cover plate 32 is omitted from the lid portion 30. It is also possible to do.
The cutting blade 40 can be a straight line extending in the left-right direction, and the cutting blade 40 can be omitted when the storage target is other than the wound body.
-The main body front plate 23 and the main body rear plate 24 are not limited to a plate shape parallel to each other, but may have a plate shape in which planes including each intersect each other. Further, the right main body side plate 25 and the left main body side plate 26 are not limited to the plate shape parallel to each other, but can also have a plate shape in which planes including each intersect each other.

H1, H2, H3, H4 Height W1, W2 Width 10 Winding body storage box 20 Main body 21 Main body bottom plate 22 Main body peripheral part 22H Opening 23 Main body front plate 23F Front plate flap piece 23FL, 23FR Front end side 23FT Flap top 23L, 24L Left end 23R, 24R Right end 23T Front plate top 24 Main body Rear plate 24F Rear plate flap piece 24FT Flap top 25 Right main body side plate 25R, 26L Front end 25T Side plate top 26 Left main body side plate 27 Right Flap piece 27T Bottom side 28 Left flap piece 30 Lid part 31 Lid top plate 31B Rear plate top side 32 Cover plate 33 Right lid side plate 33a, 34a Inner surface 33b Right cover flap 33bT Right lid side plate top side 33T Right lid side plate top 33S, 34S Step 33U Right lid side plate Lower side 34 Left lid side plate 34b Left cover flap 40 Cutting blade 60 Wrap film 61 Paper tube

Claims (6)

A main body having a rectangular parallelepiped shape, having a rear plate having a rear plate top edge which is an apex for partitioning an opening, and a front plate apex having a front plate apex which is an apex for partitioning the opening. The main body portion having a front plate facing the plate and a pair of main body side plates forming the rectangular parallelepiped end face at right angles to the front plate and the rear plate.
A lid portion that is rotatably connected to the top edge of the rear plate and covers the opening is provided.
The main body side plate has a linear shape extending in the front-rear direction, and the top side of the side plate, which is the top side of the main body side plate, is located at a position lower than the front plate top side over the entire width of the main body side plate in the front-rear direction. A flap piece having a bottom at a position away from both ends in the front-rear direction of the top of the side plate and protruding outward and downward from the top of the side plate is further provided.
The inner surface of the lid portion includes a step portion that engages with the flap piece when the lid portion is closed.
The lid portion includes a lid upper plate that closes the opening in a state where the lid portion is closed, a cover plate that covers a part of the front plate, and a lid side plate that covers a part of the main body side plate. Prepare,
The cover plate is provided with a cover flap, and the cover plate is provided with a cover flap.
The cover flap is provided on the inner surface of the lid side plate with an upper side of the cover flap, which is an upper side having a linear shape extending in the front-rear direction.
The stepped portion is located between the upper side of the lid flap and the upper plate of the lid on the inner surface of the side plate of the lid, and the upper side of the flap of the lid is in contact with the tip of the flap piece in a state where the lid is closed. Placed in contact position,
A storage box in which the height of the stepped portion, which is the distance between the top edge of the lid side plate and the upper edge of the cover flap, is 10 mm or more. Either one of the front plate and the rear plate is a reference plate, and the reference plate is used.
The ratio of the height of the main body side plate to the height of the reference plate is 0.60 or more and 0.95 or less.
The storage box according to claim 1. The ratio of the width of the flap piece to the width of the side plate of the main body in the front-rear direction is 0.49 or more and 0.77 or less.
The storage box according to claim 1 or 2. The front plate includes a front plate flap piece and
The rear plate includes a rear plate flap piece, and the rear plate is provided with a rear plate flap piece.
The front plate flap piece and the rear plate flap piece are arranged inside the main body side plate, and the front plate flap piece and the rear plate flap piece are arranged inside the main body side plate.
The largest length in the vertical direction is the maximum height,
The maximum height of the front plate flap piece is equal to the maximum height of the front plate,
The maximum height of the rear plate flap piece is equal to the maximum height of the rear plate,
The storage box according to any one of claims 1 to 3, wherein the maximum height of the main body side plate is lower than the maximum height of the front plate flap piece and the maximum height of the rear plate flap piece. The storage according to any one of claims 1 to 4, wherein the ratio of the length of the step portion in the height direction to the length of the lid side plate in the height direction is 0.20 or more and 0.63 or less. box. A winding body with a long thin film wound around it,
A storage box containing a wound body, comprising the storage box according to any one of claims 1 to 5.

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