Lid box with interlocking lock

Abstract

To provide a body lid box with a fitting lock, which is easy to assemble and has a good appearance when the lid is removed. [Solution] In a body lid box consisting of a body box 1 and a lid 2, a notch 14 consisting of a score line 14a parallel to the bottom wall 11 and two score lines 14b extending from both ends in the direction of the bottom wall 11 is made in the side wall 12 of the body box 1, and a fold line 25a parallel to the top wall 21 and two score lines 25b extending from both ends in the opposite direction to the top wall 21 is made in the side wall 22 of the lid 2 to form a locking piece 25. Then, when the locking piece 25 of the lid 2 is folded inward and upward around the fold line 25a as an axis and the lid 2 is placed over the body box 1, the inner part of the notch 14 of the body box 1 is pressed and bent by the locking piece 25 of the lid 2, and the edge of the locking piece 25 is locked to the edge of the notch 14, so that the body box 1 and the lid 2 fit together and lock.

Description

[Technical Field]

[0001] This invention relates to a box in which the body box and the lid fit together and lock together simply by placing the lid on the body box. [Background technology]

[0002] Patent Document 1 listed below describes a body and lid box with an interlocking lock, as shown in Figure 12. This box has a body box 51 and a lid 52 that are separate bodies, and body box 51 has a rectangular bottom wall 53 from which a pair of widthwise and lengthwise side walls 54a, 54b rise, and lid 52 has a rectangular top wall 55 that is slightly larger than bottom wall 53, and widthwise and lengthwise side walls 56a, 56b hanging down from the periphery of top wall 55.

[0003] The side walls 54a, 54b of the body box 51 and the side walls 56a, 56b of the lid 52 each have a double structure, and a U-shaped cut with the upper part left uncut is made on the outer surface of the side wall 54a of the body box 51 to form a wing piece 57, and a step 58 is formed at the lower end of the recessed part on the inner surface of the side wall 56a of the lid 52.

[0004] When the lid 52 is placed on the body box 51, the lower edge of the wing piece 57 is engaged with the step 58, and the body box 51 and the lid 52 are fitted together and locked. To remove the lid 52 from the body box 51, the punch-out portion 59 on the inside of the cut made in the outer surface of the side wall 56a of the lid 52 is pressed in to release the engagement of the lower edge of the wing piece 57 with the step 58.

[0005] Furthermore, Patent Document 2 listed below describes a box as shown in Fig. 13. This box also has a main box 61 and a lid 62 that are separate bodies, and main box 61 has a rectangular bottom wall 63 from which pairs of side walls 64a, 64b in the width and length directions rise, and lid 62 has a rectangular top wall 65 that is slightly larger than bottom wall 63, from which pairs of side walls 66a, 66b in the width and length directions hang down.

[0006] A connecting piece 66c extending from the end edge of the widthwise side wall 66a overlaps the inner surface of the lengthwise side wall 66b of the lid 62, and a locking hole 67 is opened in the connecting piece 66c. On both sides of the lengthwise side wall 64b of the body box 61, a locking piece 68 is provided, which is cut outward from the upper end and flipped downward.

[0007] When the lid 62 is placed on the main box 61, the tip of the locking piece 68 is locked in the lower edge of the locking hole 67, and the main box 61 and the lid 62 fit together and are locked. To remove the lid 62 from the main box 61, the locking piece 68 is pushed in through the through hole 69 provided in the side wall 66b of the lid 62 to release the lock of the tip of the locking piece 68 from the lower edge of the locking hole 67. [Prior art documents] [Patent documents]

[0008] [Patent Document 1] Japanese Patent Application Laid-Open No. 2000-18528 [Patent Document 2] Registered Utility Model No. 3055362 Summary of the Invention [Problem to be solved by the invention]

[0009] However, when assembling a lid box as shown in Figure 12 manually, the inner surface of the side wall 56a of the lid 52 must be bent in a complex manner to create a partial recess and form a stepped portion 58, which increases the number of steps, resulting in a problem of placing an excessive burden on the workers who assemble the packaging containers and ship the products.

[0010] Furthermore, in the case of the lid box as shown in Figure 13, a notch is created at the upper end of the side wall 64b of the body box 61 to form the locking piece 68, and the appearance of the body box 61 is not very good when the lid 62 is removed, which creates the problem that it is not suitable for use as a gift box, which requires aesthetic appeal not only in the packaged state but also when opened.

[0011] Therefore, an object of this invention is to provide a body lid box with a fitting lock that is easy to assemble and has a good appearance when the lid is removed. [Means for solving the problem]

[0012] In order to solve the above problems, this invention provides a body-lid box comprising a body box and a lid, the body box having widthwise and lengthwise side walls rising from the short and long sides around the bottom wall, and the lid having widthwise and lengthwise side walls hanging down from the short and long sides around the top wall, which is one size larger than the bottom wall, and the lid is fitted over the body box and locked in a fitted state, A cut is made in the side wall of the body box, the cut line being parallel to the bottom wall and two cut lines extending from both ends of the cut line toward the bottom wall, The side wall of the lid has a fold line parallel to the top wall and two cut lines extending from both ends in the opposite direction to the top wall to form a locking piece, When the locking piece of the lid is folded inward and upward around the fold line as an axis and the lid is placed over the main box, the inner part of the notch of the main box is pushed by the locking piece of the lid and bends, and the edge of the locking piece is locked onto the edge of the notch, so that the main box and the lid fit together and are locked (Configuration 1).

[0013] In addition, in the lid box described in configuration 1, a zipper-shaped cutting line with short, intermittent cuts is cut into the side wall of the lid, extending from both ends of the base of the locking piece toward the top wall (configuration 2).

[0014] Furthermore, in the body lid box described in configuration 1 or 2, the two score lines forming the locking piece on the side wall of the lid are spaced apart from each other from the base side to the tip side of the locking piece, so that the locking piece is trapezoidal in shape (configuration 3).

[0015] Furthermore, in the body lid box described in configuration 1, the side wall of the lid on which the locking piece is provided is in the width direction, and a connecting piece extending from the end edge of the lengthwise side wall is fixed to the inner surface of the widthwise side wall to maintain its shape (configuration 4).

[0016] In addition, in the body lid box described in configuration 1, the body box is a frame box in which the side walls are formed by sequentially bending the outer plate, top plate, and inner plate from the bottom wall, and the outer plate is bent upward, the top plate inward, and the inner plate downward (configuration 5).

[0017] In addition, in the body lid box described in configuration 5, the lid is provided so that a reach piece protrudes inward from a side end of the side wall adjacent to the corner portion directly below the top wall, When the lid is placed on the body box, the lid is in a closed state in which the reach piece rests on the top plate of the side wall of the body box and the top wall is raised to a position higher than the top plate of the body box (Configuration 6).

[0018] In addition, in the body lid box according to the first aspect, the body box and the lid are integrated with each other by connecting the top wall of the lid to the upper end of the side wall rising from the rear side of the bottom wall of the body box, The notch is provided in the side wall rising from the front edge of the bottom wall of the body box, and the locking piece is provided in the side wall hanging down from the front edge of the lid (Configuration 7). [Effects of the Invention]

[0019] In the body lid box of this invention, a cut is made in the outer surface of the side wall of the body box, and the locking piece between the two cut lines on the side wall of the lid is folded inward and upward along the fold line, and then the lid is simply placed over the body box.The edge of the locking piece on the lid engages with the edge of the cut in the body box, and the body box and lid fit together and lock, eliminating the need for complicated assembly for locking and placing no strain on the worker.

[0020] Furthermore, the side walls of the main box do not have holes or noticeable notches due to removal, and the fitting-type locking mechanism has little effect on the appearance, ensuring suitability for use as a gift box. [Brief explanation of the drawings]

[0021] [Figure 1] 1 is a perspective view showing an open state of a separate-lid type body box with a fitting lock according to an embodiment of the present invention, with the body box viewed from above and the lid viewed from below; [Figure 2] A diagram showing the blank of the body box of the same [Figure 3] FIG. 10 shows the lid blank of the same. [Figure 4] FIG. 10 is a perspective view showing the state in which the lid is placed on the body box of the same. [Figure 5] FIG. 10 is a longitudinal sectional side view showing the fitting portion of the same. [Figure 6] FIG. 10 is a perspective view showing the state in which the lid of the above-mentioned fitting lock-equipped lid box having an opening function is closed. [Figure 7] FIG. 10 is a perspective view showing the opened state of the above-mentioned box after opening, and the lid from below. [Figure 8] An enlarged view of a part of the blank showing another example of the notch of the body box of the same. [Figure 9] An enlarged view of a part of the blank showing another example of the notch of the body box of the same. [Figure 10] FIG. 1 is a perspective view showing an open state of a lid-integrated lid box with a fitting lock according to an embodiment of the present invention; [Figure 11] FIG. 10 is a perspective view showing the closed state of the above. [Figure 12] 1 is a perspective view showing the body box and the lid of the body box lid described in Patent Document 1 in an open state, viewed from below. [Figure 13] A perspective view showing the body box and the lid of the body lid box described in Patent Document 2 in an open state, as seen from above. DETAILED DESCRIPTION OF THE INVENTION

[0022] <Embodiment of separate body type> (overview) The body and lid box shown in Figure 1 is a cardboard box in which the body box 1 and lid 2 are separate bodies, and the body box 1 is assembled from a blank as shown in Figure 2, and the lid 2 is assembled from a blank as shown in Figure 3.

[0023] (Blank of the body box) The blank for the body box 1 shown in Fig. 2 is made from corrugated cardboard called Delta Flute (registered trademark of Rengo Co., Ltd.) that is approximately 2 mm thick, or corrugated cardboard called B Flute that is approximately 3 mm thick, and has a rectangular bottom wall 11 with widthwise side walls 12 connected to a pair of short sides and lengthwise side walls 13 connected to a pair of long sides. The corrugation direction, which is the direction in which the corrugation crests of the corrugated cardboard core extend, is oriented in the direction in which the bottom wall 11 and a pair of side walls 13 are connected, but is not particularly limited to this.

[0024] The side wall 12 is configured such that an outer plate 12a, a top plate 12b, and an inner plate 12c are connected in this order from the boundary with the bottom wall 11, and the side wall 13 is configured such that an outer plate 13a, a top plate 13b, and an inner plate 13c are connected in this order from the boundary with the bottom wall 11. As a result, when assembled, the body box 1 becomes a picture-frame box in which each pair of side walls 12, 13 forms a double structure.

[0025] The height dimensions of the inner plates 12c, 13c when assembled are set smaller than those of the outer plates 12a, 13a, respectively, and the inner plate 12c has both side edges that are inclined so that the width is narrow at the boundary with the top plate 12b and becomes wider toward the tip.

[0026] Connecting pieces 12d are connected to both side ends of the outer plate 12a, and connecting pieces 13d are connected to both side ends of the inner plate 13c. An engagement notch 13e is provided on the inner plate 13c of the side wall 13 from the tip along the boundary with the connecting pieces 13d.

[0027] The outer plate 12a of the side wall 12 has a trapezoidal notch 14 made therein. The notch 14 is made up of a score line 14a that extends parallel to the boundary with the bottom wall 11 at a position away from the bottom wall 11, and two score lines 14b that extend at an angle from both ends of the score line 14a toward the bottom wall 11 so that the distance between them becomes wider. This notch 14 fits with a locking piece 25 of the lid 2, which will be described later, and forms a locking mechanism when the lid box is closed.

[0028] (lid blank) The blank for the lid 2 shown in Fig. 3 is made of E-flute corrugated cardboard, which is about 1.5 mm thick, or E-flute corrugated cardboard, which is about 0.9 mm thick, and has a rectangular top wall 21 that is slightly larger than the bottom wall 11 of the body box 1. Widthwise side walls 22 are connected to a pair of short sides of the top wall 21, and lengthwise side walls 23 are connected to a pair of long sides. The corrugation direction, which is the direction in which the corrugation tops of the corrugated cardboard core extend, is oriented in the direction in which the top wall 21 and the pair of side walls 23 are connected, but this is not particularly limited.

[0029] Unlike the side walls 12, 13 of the main box 1, the side walls 22, 23 have a single structure, and their height dimensions when assembled are set to be larger than those of the side walls 12, 13 of the main box 1.

[0030] Connecting pieces 23a are connected to both side ends of side wall 23 at a distance from top wall 21, and reach pieces 24 are connected to the side ends of adjacent side walls 22, 23 at the corners in a position directly below top wall 21 when assembled. Reach pieces 24 have fold lines 24a extending diagonally from the corners of top wall 21, and fold lines 24a are score lines cut into the cardboard in the thickness direction so that a valley fold can be made when viewed from the surface of the cardboard.

[0031] The side wall 22 has a fold line 25a extending parallel to the boundary with the top wall 21 at a position slightly closer to the top wall 21 from the tip, and two cut lines 25b extending at an angle from both ends of the fold line 25a toward the tip of the side wall 22 opposite the top wall 21 so that the distance between them becomes wider, and the portion between the two cut lines 25b forms a trapezoidal locking piece 25 that is folded inward and upward around the fold line 25a as an axis when the lid 2 is placed on the main box 1.

[0032] Here, if the height dimension h of the locking piece 25 in the assembled state is extremely small, the lock will be easily released when closing the lid as described below, so it must be set to 12 mm to 30 mm, preferably 15 mm or more and 20 mm or less.

[0033] (Assembly of the body box and lid) To assemble the blank for the body box 1 shown in FIG. 2 into the shape shown in FIG. 1, the outer plates 12a of the pair of side walls 12 are bent upward from the bottom wall 11, and the connecting pieces 12d are bent inward.

[0034] Next, the outer panels 13a of the pair of side walls 13 are bent upward, and the connecting piece 13d is bent relative to the inner panels 13c in a direction that forms a valley fold when viewed from the surface of the cardboard, while the top panel 13b and the inner panels 13c are bent inward and downward in sequence, sandwiching the connecting piece 12d between the outer panels 13a and the inner panels 13c.

[0035] Next, the top plate 12b and the inner plate 12c of the side wall 12 are bent inward and downward in order, and the connecting piece 13d is sandwiched between the outer plate 12a and the inner plate 12c. Then, when the lower portions on both sides of the inner plate 12c are engaged with the engaging notches 13e of the inner plate 13c of the side wall 13, each pair of side walls 12, 13 is held in an upright position around the bottom wall 11.

[0036] To assemble the blank for the lid 2 shown in Fig. 3 into the shape shown in Fig. 1, the pair of side walls 23 are folded downward from the top wall 21, and the connecting piece 23a is folded inward. At this time, the pair of side walls 22 are folded downward from the top wall 21 while the reach piece 24 is folded in half along the folding line 24a, and the connecting piece 23a is fixed to the inner surface of the side wall 22 with adhesive, double-sided tape, or the like. The reach piece 24 protrudes diagonally inward from the corner of the adjacent side walls 22, 23.

[0037] Then, the locking piece 25, which is the portion of the side wall 22 between the two score lines 25b, is lightly folded back inward and upward around the fold line 25a.

[0038] (lid closing process and closed state) When the lid 2 is placed over the body box 1 assembled in this manner, as shown in Figures 4 and 5, the locking piece 25 of the lid 2 is folded deep, the inner part of the notch 14 of the body box 1 is pressed and bent by the locking piece 25 of the lid 2, and the tip edge, which is the upper edge of the locking piece 25, is locked with the edge facing the cutting line 14a of the notch 14, and the body box 1 and the lid 2 are fitted together and locked.

[0039] When locking, the side wall 12 of the body box 1 has a double structure with a gap between the outer plate 12a and the inner plate 12c, so even if the products are packed tightly along the inner plate 12c, the bending margin of the inner part of the notch 14 is secured and the lock will not become loose.

[0040] In addition, the width of the locking piece 25 increases toward the tip, and the tip edge of the locking piece 25 is long, improving the reliability of the fit. Furthermore, if the tip edge of the locking piece 25 and the cut line 14a of the notch 14 are formed in a wavy shape with a small pitch, the fit-up force increases.

[0041] At this time, since the connecting piece 23a is fixed to the inner surface of the side wall 22 of the lid 2, a gap is created between the connecting piece 23a and the side wall 12 of the main box 1 by the thickness of the connecting piece 23a, and the locking piece 25 has an appropriate repulsive force, making it easier for the edge of the locking piece 25 to fit into the edge of the notch 14.

[0042] Furthermore, the side wall 22 on which the locking piece 25 is provided is in the width direction, and the side wall 22 is hard to bend because the connecting piece 23a is fixed to it, so that the locked state is reliably maintained.

[0043] In this closed state, the reach piece 24 of the lid 2 rests on the top plates 12b, 13b of the side walls 12, 13 of the box 1, and the top wall 21 is raised to a position higher than the top plates 12b, 13b of the side walls 12, 13 of the box 1.

[0044] Therefore, it is possible to store products whose height dimension is greater than the height of the side walls 12, 13 of the main box 1, and the amount of cardboard used as the material for the main box 1 can be reduced.

[0045] Furthermore, the body box 1 is sandwiched between the reach piece 24 and the locking piece 25 from above and below, and the fitting force between the body box 1 and the lid 2 increases.

[0046] In addition, when the height of the stored product is low, and there is no need for the function of raising the top wall 21 of the lid 2 to a position higher than the side walls 12, 13 of the main box 1, the height of the side walls 12, 13 of the main box 1 and the height of the side walls 22, 23 of the lid 2 can be made approximately the same, the reach piece 24 can be omitted, and the top wall 21 of the lid 2 can be made to rest on the side walls 12, 13 of the main box 1.

[0047] (lidded box with opening function) Figure 6 shows a lid box with the same basic configuration as described above, in which two short, intermittent zipper-shaped cut lines 26 are cut parallel to the side wall 22 of the lid 2, extending vertically from both ends of the horizontal fold line 25a, which is the base of the locking piece 25, toward the top wall 21.

[0048] In such a lid box, as shown in Figure 7, if the portion of the side wall 22 of the lid 2 sandwiched between the two cutting lines 26 is pulled toward you along with the locking piece 25, breaking the cutting lines 26 and swinging the box upward, the edge of the locking piece 25 will no longer engage with the edge of the notch 14, and the lock will be released, allowing the box to be opened without forcibly tearing the side wall 22 of the lid 2.

[0049] Furthermore, since the locking piece 25 has a fan-shaped tip while the two cutting lines 26 are parallel, both sides of the locking piece 25 protrude outward from the two cutting lines 26, providing resistance when the cutting lines 26 are broken, thereby preventing the lock from being released due to accidental breaking of the cutting lines 26 during distribution, etc.

[0050] In the above embodiment, the notch 14 made in the side wall 12 of the body box 1 is shown to be trapezoidal, but as shown in Figure 8, two score lines 14b may be made parallel from both ends of the score line 14a toward the bottom wall 11, making the notch 14 U-shaped, or as shown in Figure 9, the two score lines 14b may be inclined so that the distance between them becomes narrower from both ends of the score line 14a toward the bottom wall 11, making the notch 14 an inverted trapezoid.

[0051] <Embodiment of integrated lid> This body lid box is an integrated body box 1 and lid 2 as shown in Figure 10 when the lid is open, and side walls 12 are connected to a pair of long sides that form the front and rear edges of the bottom wall 11 of the body box 1, and side walls 13 are connected to a pair of short sides that form the sides, and the top wall 21 of the lid 2 is connected to the upper end of the single-layered side wall 12 that stands up from the rear edge of the bottom wall 11 via a hinge line 3.

[0052] The side wall 12 rising from the front edge of the bottom wall 11 and the side walls 13 rising from both sides each have a double frame-like structure, with the side ends connected via a connecting piece 15 that is folded in half, and the connecting pieces 13d, 12d are embraced by the side walls 12, 13 at the front and rear, respectively.

[0053] The lid 2 has a top wall 21 that is slightly larger than the bottom wall 11 of the main box 1, and a side wall 22 connected to the long side that is the front side of the top wall 21, and side walls 23 connected to a pair of short sides that are on both sides. A connecting piece 22a is connected to the side end of the side wall 22, and the connecting piece 22a is fixed to the inner surface of the side wall 23.

[0054] A notch 14 is made in the outer plate 12a of the side wall 12 that rises from the front edge of the bottom wall 11 of the body box 1, and a locking piece 25 is provided on the side wall 22 that hangs down from the front edge of the lid 2. The notch 14 and the locking piece 25 are the same as those of the separate body and lid type body lid box described above.

[0055] Even in a body lid box of this type, as shown in Figure 11, when the lid 2 is placed on the body box 1, the inner part of the notch 14 formed by the cut lines 14a and 14b of the body box 1 is pressed against the locking piece 25 of the lid 2 and bends, and the tip edge, which is the upper edge of the locking piece 25, is locked to the edge facing the cut line 14a of the notch 14, and the body box 1 and the lid 2 are fitted together and locked.

[0056] <Effects> In the body lid box as described in each of the above embodiments, a notch 14 is made in the outer panel 12a of the side wall 12 of the body box 1, and the locking piece 25 provided on the side wall 22 of the lid 2 is folded inward and upward. Simply by placing the lid 2 over the body box 1, the edge of the locking piece 25 is locked to the edge of the notch 14, and the body box 1 and the lid 2 fit together and lock, so there is no need for complicated assembly for locking, and no burden is placed on workers who manually assemble the boxes and pack the products.

[0057] In addition, the side wall 12 of the main box 1 does not have holes or conspicuous notches due to removal, and the fitting-type locking mechanism has little effect on the appearance, ensuring suitability for use as a gift box.

[0058] <Other> In the above embodiments, the main box 1 is illustrated as a picture frame box, assuming use as a gift box. However, the locking mechanism between the main box 1 and the lid 2 can also be applied to boxes for other purposes. Depending on the nature of the items to be stored, the main box 1 does not need to be a picture frame box, and each pair of side walls 12, 13 may have a single structure. [Explanation of symbols]

[0059] 1 body box 2 lid 3 Hinge wire 11 Bottom wall 12,13 Sidewalls 12a, 13a Outer plates 12b, 13b Top Plate 12c, 13c inner side plate 12d, 13d connecting pieces 13e series cut short 14 cut 14a, 14b Tangent lines 15 connecting pieces 21 sky wall 22,23 Sidewalls 22a Connector 23a Connector 24 リーチflakes 24a Folded Line 25 series stop film 25a Folded line 25b Cutting line 26 Cutting the wire

Claims

1. A body lid box is comprised of a body box (1) and a lid (2), the body box (1) having widthwise and lengthwise side walls (12, 13) rising from the short and long sides around the periphery of a bottom wall (11), and the lid (2) having widthwise and lengthwise side walls (22, 23) hanging down from the short and long sides around a top wall (21) that is slightly larger than the bottom wall (11), the lid (2) being fitted over the body box (1) and locked in a fitted state, A notch (14) is made in the side wall (12) of the body box (1), and the notch (14) is made of a notch line (14a) parallel to the bottom wall (11) and two notch lines (14b) extending from both ends of the notch line (14a) toward the bottom wall (11). The side wall (22) of the lid (2) has a fold line (25a) parallel to the top wall (21) and two cut lines (25b) extending from both ends in the opposite direction to the top wall (21) to form a locking piece (25). When the locking piece (25) of the lid (2) is folded inward and upward around the fold line (25a) as an axis and the lid (2) is placed over the body box (1), the inner part of the notch (14) of the body box (1) is pushed by the locking piece (25) of the lid (2) and bends, the edge of the locking piece (25) is locked to the edge of the notch (14), and the body box (1) and the lid (2) fit together to lock them together.

2. The lid box according to claim 1, characterized in that the side wall (22) of the lid (2) has a zipper-shaped cut line (26) with short, intermittent cuts extending from both ends of the base of the locking piece (25) toward the top wall (21).

3. A body lid box as described in claim 1 or 2, characterized in that the two score lines (25b) forming the locking piece (25) of the side wall (22) of the lid (2) have a wider gap from the base side of the locking piece (25) to the tip side, and the locking piece (25) has a trapezoidal shape.

4. The lid (2) is characterized in that the side wall (22) on which the locking piece (25) is provided is in the width direction, and a connecting piece (23a) extending from the end edge of the lengthwise side wall (23) is fixed to the inner surface of the widthwise side wall (22) to maintain its shape.

5. The body box (1) is a frame box as described in claim 1, characterized in that the side walls (12, 13) are formed by sequentially bending the outer plates (12a, 13a) upward, the top plates (12b, 13b) inward, and the inner plates (12c, 13c) downward from the bottom wall (11).

6. The lid (2) is provided so that reach pieces (24) protrude inward from side ends of the side walls (22, 23) adjacent to each other at corner portions directly below the top wall (21), The body lid box according to claim 5, characterized in that when the lid (2) is placed on the body box (1), the lid (2) is in a closed state in which the reach piece (24) rests on the top plate (12b, 13b) of the side wall (12, 13) of the body box (1), and the top wall (21) is raised to a position higher than the top plate (12b, 13b) of the body box (1).

7. The body box (1) and the lid (2) are integrated with each other by connecting the top wall (21) of the lid (2) to the upper end of the side wall (12) rising from the rear side of the bottom wall (11) of the body box (1), The body lid box according to claim 1, characterized in that the notch (14) is made in a side wall (12) rising from the front edge of the bottom wall (11) of the body box (1), and the locking piece (25) is provided on a side wall (22) hanging down from the front edge of the lid (2).

Images