JP3006478U - Cardboard cushion case - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a cardboard case made of a corrugated board having a good cushioning action with a simple assembly and excellent workability. [Structure] The inner cover plate 4, the body plate 2, the bottom plate 1, the body plate 3, and the outer cover plate 5 are arranged in parallel, and the gaps are provided by reversing the cuts extending from the respective connection lines to each other. Piece 1
A plurality of 2, 22, 32, 42, 52 are provided in series, and folds 13, 23, 33 are provided in the continuous line excluding the interval imparting pieces,
Engagement groove 54 that engages the spacing imparting piece 22 of one body plate 2
Are absent from the spacing-providing pieces 53 that are connected to the open end of the outer lid plate 5, and are bent at their respective folds so that the respective spacing-providing pieces project, and the one above the body plate 2 is raised. Protruding spacing imparting piece 22
While inserting the engaging groove 54, which is absent in the outer lid plate 5, into the
The tongue piece 56 of the outer lid plate 5 is inserted and locked in the cut hole 44 of the inner lid plate 4, the side lid plates 6 and 7 are bent, and the engagement pieces 63 and 73 protruding to the side lid plate are polymerized. The inner cover plate 4 and the outer cover plate 5 are assembled by engaging with the locking grooves 47, 57 of the outer cover plate 5.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a buffer case made of corrugated board, which is used by being housed in a box or wrapped with a packaging material such as corrugated board.

[0002]

[Prior art]

 Due to the problem of waste treatment, the cushioning material made of foamed plastic is no longer used, and the cushioning material is changing to corrugated cardboard, etc., but in the case of corrugated cardboard, the structure is complicated and assembly is difficult and workability is poor, and There was a limit to the actual use due to the high cost.

[0003]

[Problems to be solved by the device]

 Therefore, the present invention provides a cushioning case made of corrugated cardboard which is easy to assemble and excellent in workability and has a good cushioning action.

[0004]

[Means for Solving the Problems]

 Therefore, according to the present invention, the body plates are connected to both ends of the bottom plate, the inner cover plate is connected to one of the body plates, and the outer cover plate is connected to the other body plate. A series of gap-providing pieces are installed by reversing the cuts that extend from the line to each other's body plate or bottom plate, inner cover plate, or outer cover plate, and the corrugated cardboard plate is formed at the reverse inner end of the cuts. In addition to omitting the thickness, a fold line is provided on the continuous line excluding the gap giving piece, and an engaging groove for engaging the gap giving piece of one of the body plates is provided at the open side end of the outer lid plate. The gap-providing pieces are not provided in the continuous gap-providing pieces, and the locking grooves capable of overlapping are formed at the open edge portions of the inner lid plate and the outer lid plate. A side cover plate is continuously provided by making a notch with a length corresponding to the protruding length and forming a fold between the cut ends, and at the same time, in the locking groove of the inner cover plate and the outer cover plate. The mating engagement pieces are connected to the side cover plate and bent at each fold so that each spacing piece protrudes. Engage the engaging groove that is absent in the plate, bend the side cover plate, and engage the engaging piece that protrudes on the side cover plate with the engaging groove of the inner cover plate and outer cover plate that are overlapped. It is a configuration to assemble. In addition, the engaging pieces of the side cover plate may be made to have the same length as the protruding lengths of the respective spacing imparting pieces so as to project upward.

In addition, a tongue piece that can be inserted into a cut hole formed by cutting into the inner lid plate for forming the spacing imparting piece is formed by cutting into the open side portion of the outer lid plate, and each fold is formed. Bend each of the gap-providing pieces so that they protrude, insert the engaging groove that is not provided in the outer lid plate into the gap-providing piece that protrudes upward from the body plate, and insert the tongue piece of the outer lid plate into the inner lid plate. It may be configured such that it is inserted into and locked in the notch hole.

[0006]

[Action]

 The bottom plate, the body plate, and the inner lid plate are bent at their respective folds, and the spacing groove protruding upward from one of the body plates is engaged with the engaging groove that is absent in the outer lid plate to form a square tube. Then, the side cover plate is bent, and the engaging pieces protruding from the side cover plate are engaged with the locking grooves of the inner cover plate and the outer cover plate that are overlapped with each other to assemble into a box shape. By bending, the respective spacing-providing pieces are separated from the notch and project left, right, up, and down, and the front and rear edges of the body plate and the inner and outer cover plates project in the front and back to form a projecting state in six directions. Since it is housed in the packaging box, a space is formed by the interval-imparting pieces, which provides a good cushioning action.

[0007]

【Example】

 Hereinafter, the illustrated embodiments of the present invention will be described. The buffer case made of reinforced corrugated cardboard in the assembled state shown in FIG. 1 is in a developed state as shown in FIG. 2, and the body plates 2 and 3 are connected to both ends of the bottom plate 1, respectively, and one body plate 2 An inner lid plate 4 is continuously provided on the other side, and an outer lid plate 5 is continuously provided on the other body plate 3.

Cuts 11, 21, 31, 41, 51 extending from the respective connecting lines 10, 20, 30 to the body plate 2, 3 or the bottom plate 1 or the inner cover plate 4 or the outer cover plate 5 of the opposite side from each other. By inverting and applying it in a U-shape, a plurality of spacing-imparting pieces 12, 22, 32, 42, 52 having a protrusion width of about 1 cm are continuously provided, and at the inversion inner ends of the cuts 11, 21, 31, 41, 51. The thickness of the corrugated board, 5 mm in this example, is omitted. Then, the folds 13, 23, 33 are provided on the continuous lines 10, 20, 30 excluding the spacing imparting pieces 12, 22, 32, 42, 52.

Further, a space-applying piece 53 having a projection width of about 1 cm is continuously provided at the open end of the outer cover plate 5, and three space-applying pieces 22 of the body plate 2 are engaged with the space-applying piece 22. One engagement groove 54 is absent in the spacing piece 53. The engaging groove 54 at the front and rear positions thereof forms a tongue piece 56 which is flexible by the cut 55 from the side end. It should be noted that the notch 21 in the inner lid plate 4 for forming the gap providing piece 22 of the body plate 2 is deepened to form a large notch hole 44 so that the tongue piece 56 can be inserted and locked. Furthermore, locking grooves 47 and 57 that can overlap are provided at the front and rear open edge portions of the inner lid plate 4 and the outer lid plate 5, respectively.

Then, side cover plates 6 and 7 are continuously provided at front and rear open edges of the bottom plate 1, and the side cover plates 6 and 7 extend from the open edge toward the bottom plate 1 with a projection width of the spacing imparting piece about The cuts 62 and 72 of 1 cm are formed, and the folds 61 and 71 are formed between the ends of the cuts 62 and 72, so that they are connected to each other. At the front end of the side cover plate 6 and the rear end of the side cover plate 7, engagement pieces 63 and 73 that engage with the locking grooves 47 and 57 of the inner cover plate 4 and the outer cover plate 5 are provided in a protruding manner.

From this unfolded state, by bending at the respective folds 13, 23, 33, as shown in FIG. 3, the respective spacing imparting pieces 12, 22, 32, 42, 52 are in a protruding state, 1, the engaging groove 54, which is absent in the outer lid plate 5, is inserted into the gap providing piece 22 protruding upward from the body plate 2, and the tongue piece 56 of the outer lid plate 5 is cut into the inner lid plate 4. It is inserted into the hole 44 and locked to form a rectangular cylindrical body, and then the side cover plates 6 and 7 are bent, and the engaging pieces 63 and 73 protruding from the side cover plates 6 and 7 are overlapped with the inner cover. The plate 4 and the outer cover plate 5 are brought into frictional engagement with the engaging grooves 47 and 57 to be in an assembled state.

According to the present example, as shown in FIG. 4, the spacing imparting pieces 12 of the bottom plate 1 project to both sides, the spacing imparting pieces 22 and 32 of the body plates 2 and 3 project vertically, and the spacing imparting of the outer lid plate 5 is performed. Pieces 52 and 53 project to both sides, and the front and rear edges of the inner lid plate 4 and the outer lid plate 5 and the front and rear edges of the body plate 2 that are superposed by the bending of the side lid plates 6 and 7 project forward and backward. Then, it is projected in six directions.

Therefore, when the articles are housed in the cushioning case and then housed in the packaging box, the cushioning effect is improved due to the space layer at the protruding portions such as the spacing members. When the buffer cases are juxtaposed, as shown in FIG. 5, the space projecting pieces 12, 42, 52 protruding laterally come into contact with the upper and lower space projecting pieces 22, 32 of the adjacent buffer case, thereby providing the space Since the pieces 12, 42, 52 can be arranged side by side through the space layer, the plurality of cushion cases can be accommodated in the packaging box with a favorable cushioning action.

Further, according to this example, the engaging groove 54, which is absent in the outer cover plate 5, is inserted into the spacing providing piece 22 that is bent and protrudes upward from the body plate 2, and the tongue piece of the outer cover plate 5 is inserted. 56 is inserted into the cutout hole 44 of the inner lid plate 4 and locked, the side lid plates 6 and 7 are bent, and the engaging pieces 63 and 73 protruding from the side lid plates 6 and 7 are overlapped with each other. Since it can be assembled simply by frictionally engaging the locking grooves 47, 57 of the outer lid plate 5, the work can be performed easily and quickly. Immediately, it suffices to place the stored article on the bottom plate 1 and bend it, and the tongue piece 56 of the outer lid plate 5 is inserted into the notch hole 44 of the inner lid plate 4 and locked to securely lock the lid portion. You can do it.

Although the present embodiment is configured as described above, the present invention is not limited to this. For example, regardless of the number, shape, and size of the spacing-providing pieces formed by cutting, or the spacing-providing pieces that are connected to the open-side end of the outer lid plate, they expand outward as shown in FIG. With such a shape, engagement in the locking groove can be made more reliable. Further, unlike the present example, it is not necessary to form the tongue piece 56 that engages with the cut-out hole 44 of the inner lid piece 4 on the outer lid plate 5, and the outer lid is attached to the spacing providing piece 22 protruding upward from the body plate 2. The assembled state can be sufficiently maintained only by frictionally engaging the locking groove 54 of the plate 5.

Further, although not shown in the drawings, it is also possible to adopt a structure in which the spacing-providing pieces provided on both side edges of the side cover plate are projected from the engaging grooves provided on the front and rear end edges of both body plates. In the present example, the space-providing pieces 63 and 73 that face upward are continuously provided on the side cover plate, but the space-providing pieces 63 and 73 need not be continuously provided as long as the side cover plate can be locked. The cushioning case of the present invention may be used in any suitable condition. The cushioning case may be housed in a packaging box, or may be wrapped with a packaging material such as cardboard.

[0017]

[Effect of device]

 According to the present invention, it is a sturdy box made of corrugated cardboard that does not have a problem in waste disposal, and has a hexagonal shape due to the spacing piece and the front and rear edges of the body plate and inner and outer lid plates. The space layer is created in the direction, which provides an excellent cushioning effect, and the effect of making bending and assembling simple and quick is great, and the workability is excellent. Further, according to the second aspect, the upward buffering piece provided on the side cover plate improves the layer cushioning action. Further, according to the third aspect, the tongue piece can be locked to securely hold the assembled state.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is a plan view of the developed state.

FIG. 3 is a perspective view during the assembling process.

FIG. 4 is an enlarged cross-sectional view taken along the line AA in FIG.

FIG. 5 is a perspective view showing a state where the buffer cases are juxtaposed.

FIG. 6 is a perspective view of a main part showing another example of a locked state.

[Explanation of symbols]

1 Bottom plate 2,3 Body plate 4 Inner cover plate 5 Outer cover plate 10,20,30 Continuous line 11,21,31,41,51 Notch for forming spacing imparting piece 12,22,32,42,52,53 Interval Giving piece 13,23,33 Fold 54 Engagement groove 56 Tongue piece 44 Cut hole 47,57 Locking groove 6,7 Side lid plate 62,72 Cut 61,71 Fold 63,73 Engagement piece

Claims (3)

[Scope of utility model registration request] 1. A bottom plate 1 is provided with body plates 2 and 3 at both ends thereof, one body plate 2 is provided with an inner lid plate 4 and the other body plate 3 is provided with an outer lid plate 5. However, each of the connection lines 10,
Cuts 11, 20, 31, 4 extending from 20, 30 to the other body plate, bottom plate, inner cover plate or outer cover plate
By reversing and applying 1, 51, the interval imparting pieces 12, 2
A plurality of 2, 32, 42, 52 are provided in series, a corrugated board thickness is not provided at the inner end portion of the reversal of the cut, and a fold is made in the continuous line 10, 20, 30 excluding the interval giving pieces. 13,
23 and 33 are provided, and the engagement groove 54 for engaging the distance imparting piece 22 of one of the body plates 2 is absent from the distance imparting piece 53 continuously provided at the open side end of the outer lid plate 5, and the inner lid is provided. The open edges of the plate 4 and the outer lid plate 5 are provided with interlocking locking grooves 47, 57, and the opposite open edges of the bottom plate 1 have a length corresponding to the protruding length of the spacing imparting piece from the open edges. The side cover plates 6 and 7 are continuously provided by making the notches 62 and 72 and forming the folds 61 and 71 between the cut ends, and the locking groove 4 between the inner cover plate and the outer cover plate is provided.
7 and 57 are formed by connecting the engagement pieces to the side cover plate in a row, bent at each fold to project the respective spacing imparting pieces, and the spacing projecting upward from one body plate 2 The outer lid plate 5 is attached to the application piece 22.
Of the inner cover plate 4 and the outer cover plate 5 which are overlapped with each other by engaging the engaging groove 54 which is absent in the side cover plate, bending the side cover plates 6 and 7 and projecting the engaging pieces 63 and 73 protruding to the side cover plate. A corrugated cardboard cushion case assembled by engaging with the locking grooves 47 and 57. 2. The buffer case according to claim 1, wherein the engaging pieces 63, 73 of the side cover plates 6, 7 can be protruded upward with the same length as the protruding length of the respective spacing imparting pieces. 3. A body plate (2, 3) is connected to both ends of a bottom plate (1), an inner cover plate (4) is connected to one body plate (2), and an outer cover plate (5) is connected to the other body plate (3). However, each of the connection lines 10,
Cuts 11, 20, 31, 4 extending from 20, 30 to the other body plate, bottom plate, inner cover plate or outer cover plate
By reversing and applying 1, 51, the interval imparting pieces 12, 2
A plurality of 2, 32, 42, 52 are provided in series, a corrugated board thickness is not provided at the inner end portion of the reversal of the cut, and a fold is made in the continuous line 10, 20, 30 excluding the interval giving pieces. 13,
23 and 33 are provided, and the engagement groove 54 for engaging the distance imparting piece 22 of one of the body plates 2 is absent from the distance imparting piece 53 continuously provided at the open side end of the outer lid plate 5, and the inner lid is provided. The open edges of the plate 4 and the outer lid plate 5 are provided with interlocking locking grooves 47, 57, and the opposite open edges of the bottom plate 1 have a length corresponding to the protruding length of the spacing imparting piece from the open edges. The side cover plates 6 and 7 are continuously provided by making the notches 62 and 72 and forming the folds 61 and 71 between the cut ends, and the locking groove 4 between the inner cover plate and the outer cover plate is provided.
A tongue piece in which engaging pieces 63, 73 engaging with 7, 57 are continuously provided on the side cover plate, and can be inserted into a notch hole 44 formed by cutting into the inner cover plate 4 for forming the spacing imparting piece. 56
Is formed by cutting 55 on the open side of the outer lid plate 5,
Bending at each of the folds to project the respective spacing imparting pieces, and inserting the engaging groove 54, which is absent in the outer lid plate 5, into the spacing imparting piece 22 protruding upward from one of the body plates 2. The tongue piece 56 of the outer lid plate 5 is inserted into the cutout hole 44 of the inner lid plate 4 and locked, the side lid plates 6 and 7 are bent, and the engaging piece 6 protruding to the side lid plate 6
Locking groove 4 of inner cover plate 4 and outer cover plate 5 in which 3, 73 are superposed
Corrugated cardboard cushion case assembled by engaging with 7,57.