JP6980225B2 - Delivery box - Google Patents

Description

The present invention relates to a parcel delivery box used for receiving parcels, having a top opening that is opened and closed by a lid, and at least the lower end thereof is buried in the ground.

Conventionally, as a delivery box of this type, a vertically long rectangular parallelepiped is known in which the entire area except the upper surface opening is buried and fixed in the ground (see, for example, Patent Document 1).

Registered Utility Model No. 3210572 (Fig. 3)

However, in the above-mentioned conventional delivery box, the fixing is not stable, and a situation may occur in which the box wobbles in the ground or comes out of the ground.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a delivery box that can be stably fixed in the ground.

The invention of claim 1 made to achieve the above object has an upper surface opening that is opened and closed by a lid, and is used for receiving parcels with at least the lower end buried in the ground. The delivery box is provided with a lower end flange that projects laterally from the lower end and is buried in the ground, and the amount of lateral extension of the lower end flange is on the side other than the lower end flange of the delivery box. It is larger than the amount of lateral overhang of all other parts that overhang toward the side, and an expansion wall that extends the upper part to the side is provided at the position near the upper end of the delivery box, and is more than the expansion wall. A plurality of tubular corner reinforcements in which the lid is fitted inside the upper side and extends in the vertical direction to connect between the lower surface of each corner of the expansion wall or its vicinity and the upper surface of the lower end flange. A wall is provided, and each corner reinforcing wall has an upper end opening that opens on the upper surface of the expansion wall and a lower end opening that opens on the lower surface of the lower end flange, and the inside of each corner reinforcing wall is in the vertical direction. It is a delivery box that gradually narrows toward the middle part.

The invention of claim 2 is a delivery box used for receiving delivery with a top opening that is opened and closed by a lid and at least the lower end thereof is buried in the ground. An expansion wall that expands the upper part to the side is provided at a position closer to the upper end, the lid is fitted inside the upper side of the expansion wall, and the lid projects laterally from the lower end portion to the ground. On the lower end flange to be embedded, a plurality of tubular corner reinforcing walls extending vertically to connect between the lower surface of each corner of the expansion wall and the upper surface of the lower end flange, and each outer surface of the delivery box. A plurality of vertical ribs are provided and extend in the vertical direction to connect between the lower surface of the expansion wall and the upper surface of the lower end flange, and a plurality of vertical ribs are provided on each outer surface of the delivery box and extend in the horizontal direction. A plurality of horizontal ribs connecting adjacent corner reinforcing walls are provided, and the amount of protrusion of the plurality of vertical ribs and the plurality of horizontal ribs from the outer surface of the delivery box is the plurality of corner reinforcements. It is a delivery box that is smaller than the amount of protrusion from the outer surface of the delivery box on the wall.

The invention according to claim 3, wherein the lower flange has a square shape in plan shape, the claims chamfering range of the corner is set to 0 to 5 [mm] between the outer surfaces of the lower flange 1 or 2 It is a delivery box described in.

The delivery box according to claim 1 has a lower end flange that projects laterally from the lower end, and the amount of lateral extension of the lower end flange is all other than the lower end flange of the delivery box. It is larger than the amount of lateral overhang of the part. Since such a lower end flange is buried in the ground, the lower end of the delivery box is stably fixed in the ground. In the delivery box of claim 1, a cylindrical corner reinforcing wall is sandwiched between the expansion wall at a position near the upper end and the lower end flange at the lower end to serve as a support. As a result, the strength against the load applied to the delivery box from above is increased. On the other hand, the cylindrical corner reinforcing wall becomes long, and the in-cylinder molded portion of the mold for molding the inside thereof also becomes long, and there is a concern that the wall may be deformed by the resin pressure in the injection molding machine. However, in the present invention, since the inside of the tubular corner reinforcing wall is gradually narrowed toward the middle portion in the vertical direction, the in-cylinder molded portion is divided into two in the longitudinal direction. The strength can be increased.

In order to stabilize the lower end of the delivery box in the ground, a construction method in which a frame made by joining four strips is fitted to the outside of the lower end flange and cement or soil is put inside the frame. Conceivable. On the other hand, in the delivery box of claim 3 , the chamfer range of the corner portion between the outer surfaces of the lower end flanges is 0 to 5 [mm], which is a so-called pin angle state, so that the frame and the lower end are in a so-called pin angle state. The gap between the flange and the corner can be stopped to a size that prevents cement and soil from leaking.

A perspective view of a delivery box according to an embodiment of the present invention. Perspective view with the top opening of the delivery box closed Top view of the box body Enlarged perspective view of a part of the upper end of the delivery box Enlarged side cross section of a part of the upper end of the delivery box Enlarged perspective view of a part of the upper end of the delivery box Perspective view of the corner tray Perspective view of the bottom side of the delivery box Perspective view of the lower surface side of the lid Perspective view of the upper surface side of the heat insulating sheet Perspective view of the upper surface side of the lid Perspective view showing an example of using a delivery box Perspective view of a delivery box with a cement frame attached Side cross section of the stage during the process of burying the delivery box in the ground Side cross section of the final stage of burying the delivery box in the ground

Hereinafter, an embodiment of the present invention will be described with reference to FIGS. 1 to 15. As shown in FIG. 1, the delivery box 10 of the present embodiment includes a resin box body 11 and a lid 30. The box body 11 has a rectangular parallelepiped shape with an open upper surface, and the upper surface opening 11K has a rectangular shape with a slight difference between the short side and the long side. Further, the lower end flange 13 projects from the lower end of the box body 11 in all directions. The lower end flange 13 is arranged in the same plane as the bottom wall 12 of the box body 11, and the lower end flange 13 and the bottom wall 12 are integrated to form a rectangular base plate 14 similar to the upper surface opening 11K. Further, the overhanging amount of the lower end flange 13 is larger than that of the expansion wall 16 described later.

The side wall 15 of the box body 11 stands at a substantially right angle from the base plate 14 (specifically, it has an inclination as a draft of the mold for forming the box body 11). As shown in FIG. 3, the expansion wall 16 projects from the position near the upper end of the side wall 15 to all sides, and the portion of the side wall 15 protruding upward from the expansion wall 16 is the inner annular wall 17. Further, the upper surface of the expansion wall 16 is an annular step surface 16A. Then, the outer fitting wall 18 stands up from the entire position near the tip of the annular step surface 16A away from the inner annular wall 17. As shown in FIG. 5, the outer fitting wall 18 is higher than the inner annular wall 17, and the inside of the outer fitting wall 18 has an upper surface opening 11K. Further, a water receiving groove 24 is formed between the inner annular wall 17 and the outer fitting wall 18.

The upper end flange 18F projects outward from the upper end portion of the entire outer fitting wall 18, and the upper surface of the upper end flange 18F is the upper surface 18A of the outer fitting wall 18. Further, in the one long side and both short sides of the frame shape of the entire outer fitting wall 18, the corner portion between the upper surface 18A and the inner side surface of the outer fitting wall 18 is bent in a crank shape to form a step. The portion 20 is formed. Further, as shown in FIG. 3, a plurality of vertical ribs 18L connecting the upper end flange 18F and the expansion wall 16 are provided on the outer surface of the outer fitting wall 18 at intervals. As shown in FIG. 5, the side surface of the upper end flange 18F, the tip end of the expansion wall 16, and the side surface of the vertical rib 18L are substantially flush with each other.

As shown in FIG. 3, an upright facing wall 19 standing up from the annular step surface 16A faces a straight portion of the inner annular wall 17 excluding the corners at the four corners. The upright facing wall 19 is arranged at a position closer to the inner annular wall 17 in the annular step surface 16A, and has the same height as the inner annular wall 17. Further, a plurality of positions including both ends of the upright facing wall 19 in the longitudinal direction are connected to the inner annular wall 17 by ribs 17L.

As shown in FIG. 1, each of the four corners of the box body 11 is provided with a corner reinforcing wall 21 extending in the vertical direction so as to communicate between the expansion wall 16 and the lower end flange 13. The corner reinforcing wall 21 has a square cylinder shape, and the corner portion 15C of the side wall 15 bites into one corner of the square cylinder. Specifically, as shown in FIG. 4, the corner portion 15C of the side wall 15 has an arc shape, and the corner portion 18C of the outer fitting wall 18 also has an arc shape. Then, a pair of flat plate-shaped gutter side walls 21B and 21B constituting the corner reinforcing wall 21 project laterally from both the boundary lines between the flat plate portions of the pair of side walls 15 and 15 and the corner portion 15C, and the rest. A pair of gutter side walls 21A, 21A is continuous below the flat plate portion of the outer fitting wall 18, and an arcuate corner portion 21C between the gutter side walls 21A, 21A is a corner portion 18C of the outer fitting wall 18. It is continuous below. Further, an arcuate corner portion 21C is also provided between the adjacent gutter side walls 21A and 21B.

The inside of the corner reinforcing wall 21 forms a drainage hole 22, the upper end of which opens to the annular step surface 16A, and the lower end of which opens to the lower surface of the lower end flange 13. Further, the inner surface of the drainage hole 22 is provided with a draft so as to gradually narrow from the upper end and the lower end toward the central portion in the longitudinal direction. The outer surface corresponding to the inner surface of the corner reinforcing wall 21 is also sloped so as to gradually narrow from the upper end and the lower end toward the central portion in the longitudinal direction.

A stepped surface 21D is formed at a position near the upper end of the corner reinforcing wall 21, and the expanded portion 21M is expanded above the stepped surface 21D. As shown in FIG. 5, the expansion portion 21M bulges in a stepped manner on the outer surface of the corner reinforcing wall 21.

As shown in FIG. 6, a corner tray 23 is fitted to the expansion portion 21M. As shown in FIG. 7B, the corner tray 23 has a quadrangular bottom wall 23A in which one corner is cut in an arc shape inward, and the entire outer edge of the bottom wall 23A, similar to the cross-sectional shape of the expansion portion 21M. It has a side wall 23B that rises from the bottom wall 23A, and has a mesh structure. Further, the flange 23C projects laterally from the entire upper end portion of the side wall 23B other than the one corner portion. Further, as shown in FIG. 7A, the knob portion 23D protrudes from the substantially central portion of the upper surface of the corner tray 23. The corner tray 23 is fitted in the expansion portion 21M, and the flange 23C is overlapped with the stepped surface 21D (see FIG. 4) of the corner reinforcing wall 21.

As shown in FIG. 1, the outer surface of the side wall 15 is provided with a plurality of vertical ribs 15L and a plurality of horizontal ribs 15M in a grid pattern. Further, the amount of protrusion of the vertical ribs 15L and the horizontal ribs 15M from the outer surface of the side wall 15 is smaller than that of the corner reinforcing wall 21 and the expansion wall 16.

As shown in FIG. 8, reinforcing ribs 14L are stretched around the lower surface of the base plate 14. Further, a part of the reinforcing rib 14L is arranged on the entire outer edge portion of the lower end flange 13, just below the side wall 15 and the corner reinforcing wall 21. Further, the outer surface 13S of the lower end flange 13 is formed by the reinforcing rib 14L at the outer edge portion of the lower end flange 13, and the corner portion between the adjacent outer surfaces 13S and 13S is in a so-called pin angle state as shown in FIG. It has become. Specifically, the chamfering range of the corner portion between the outer surfaces 13S and 13S is 0 to 5 [mm].

As shown in FIG. 3, a plurality of hinge fixing portions 25 are formed on one side of the outer fitting wall 18 that does not have the step portion 20. Each hinge fixing portion 25 causes a horizontally long quadrangular region extending from the upper end to the upper end position of the outer fitting wall 18 to be recessed in a stepped manner on the inner surface side at a plurality of positions in the longitudinal direction of the outer fitting wall 18. On the outer surface side, it has a stepped structure. Further, a plurality of mounting holes 25A are formed through the hinge fixing portion 25. Then, one flat plate portion (not shown) of the hinge 26 (see FIG. 2) is overlapped with the hinge fixing portion 25 from the inner surface side of the outer fitting wall 18 and fixed by a rivet passed through the mounting hole. Further, the other flat plate portion of the hinge 26 is fixed to the lid 30 as described later.

As shown in FIG. 3, a horizontally long rectangular through hole 18K is formed in a straight line on the side opposite to the straight line portion having a plurality of hinge fixing portions 25 in the outer fitting wall 18. A metal cap 60 for locking is fitted in the through hole 18K. The metal cap 60 has a horizontally long rectangular cross section, has a bottomed end and a square cylinder with an open end, and a flange (not shown) projects laterally from the open end. The metal cap 60 is fitted into the through hole 18K from the inside of the outer fitting wall 18 and fixed with an adhesive, and the gap with the through hole 18K is sealed.

As shown in FIG. 14, a drainboard 29 is laid on the bottom wall 12 of the box body 11 in case water enters the luggage storage space of the box body 11.

Next, the structure of the lid 30 will be described. As shown in FIG. 9, the lid 30 is provided with first and second annular walls 31 and 32 on the lower surface of the rectangular top plate 33. The first annular wall 31 has a rectangular frame shape and hangs down from the outer edge of the top plate 33, and the second annular wall 32 has a rectangular frame shape smaller than the first annular wall 31 and the top plate 33. It hangs down from the inner portion of the first annular wall 31 on the lower surface of the wall. Further, as shown in FIG. 5, the lower surface of the second annular wall 32 is located below the lower surface of the first annular wall 31. Further, as shown in FIG. 9, the first and second annular walls 31 and 32 are connected by a plurality of outer edge ribs 34, and the inner ribs 35 are arranged in a grid pattern inside the second annular wall 32. It is stretched around. Further, the lower surfaces of the outer edge rib 34 and the inner rib 35 are both flush with the first annular wall 31 and the lower surface.

On one long side of the outer edge of the top plate 33, the outer surface of the first annular wall 31 and the side surface of the top plate 33 are flush with each other, while the other sides are shown in FIG. As described above, the first annular wall 31 is slightly displaced inward from the side surface of the top plate 33, and a part of the top plate 33 projects outward from the first annular wall 31 to form a flange portion 33A.

As shown in FIG. 9, a plurality of hinge fixing portions 36 similar to the plurality of hinge fixing portions 25 of the box main body 11 are formed on the first annular wall 31 on one long side having no flange portion 33A. Further, the outer surface of the first annular wall 31 and the side surface of the top plate 33 are partially depressed by the hinge fixing portions 36, and the inner surface of the first annular wall 31 is partially projected. Further, a plurality of mounting holes 36A are formed through the hinge fixing portion 36. Then, as described above, the other flat plate portion of the hinge 26 is fixed to the plurality of hinge fixing portions 36 of the lid 30 by rivets.

As shown in FIG. 2, the lid 30 is fitted inside the upper surface opening 11K at one end of the rotation range, and the upper surface opening 11K is closed. Then, as shown in FIG. 5, the first annular wall 31 of the lid 30 is fitted inside the outer fitting wall 18 of the box body 11, and the second annular wall 32 is fitted inside the inner annular wall 17. Will be done. Then, the flange portion 33A overlaps the bottom surface 20A of the step portion 20 of the outer fitting wall 18, and the plurality of outer edge ribs 34 overlap the upper surfaces 17A and 19A of the inner annular wall 17 and the standing facing wall 19.

As shown in FIG. 1, a pair of dampers 50 and 50 are attached between the lid 30 and the box body 11. As shown in FIG. 6, each damper 50 has a cylinder 51 having an open tip and a connecting ring portion 51B at the base end portion, and a connecting ring portion 52B having a base end side inserted into the cylinder 51 and having a connecting ring portion 52B at the tip end portion. It consists of a rod 52. Further, the base end portion of the rod 52 is prevented from coming off in the cylinder 51.

A support metal fitting 53 is rivet on the inner surface of the rotation center side end portion of a pair of straight lines extending in the rotation radius direction of the lid 30 in the second annular wall 32 for attaching the dampers 50 and 50. It is fixed at. Further, on the pair of straight portions of the inner annular wall 17 of the box body 11 adjacent to the pair of straight portions of the second annular wall 32, the support metal fitting 54 is rivet on the inner surface of the intermediate portion in the longitudinal direction thereof. It is fixed at. The connecting ring portion 51B of the cylinder 51 is rotatably connected to the support fitting 53 of the lid 30, while the connecting ring portion 52B of the rod 52 is rotatably connected to the support fitting 54 of the box body 11. As a result, the rotation range of the lid 30 is restricted to a range of about 100 degrees from the closed position. Further, when the rod 52 moves linearly in the cylinder 51, air passes through the gap to exert a damper effect, and the impact when opening and closing the lid 30 is alleviated. A sealing agent is applied between the through holes of the second annular wall 32 and the inner annular wall 17 through which the rivet is passed and the rivet.

As shown in FIG. 9, a handle unit 44 is attached to the lid 30 for easy opening operation. Specifically, a rectangular hole 33W is formed at the end of the top plate 33 inside the second annular wall 32 and away from the center of rotation, and the upper part of a part of the internal rib 35 overlaps with the rectangular hole 33W. It is cut into a rectangular shape in the range, and the handle unit 44 is fitted in the rectangular hole 33W. As shown in FIG. 11, the handle unit 44 is provided with a portal groove 44B on the upper surface of the plate-shaped base portion 44A, and the portal lever 45 is housed inside the portal groove 44B. Further, the tip portions of the pair of legs of the portal lever 45 are rotatably connected to the base portion 44A by the hinge pin 44P (see FIG. 9). Then, a finger can be hooked from the recessed portion 44C provided in the central portion of the portal groove 44B to the central portion of the portal lever 45 to raise the trigger. The gap between the opening edge of the rectangular hole 33W and the handle unit 44 is waterproofed with a sealing agent, and the space between the hinge pin 44P and the support hole of the base portion 44A is waterproofed with an O-ring or packing (not shown). ..

As shown in FIG. 1, a rod insertion hole 31A is formed in the first annular wall 31 of the lid 30 at a position facing the metal cap 60 of the box body 11 in a closed state. Further, as shown in FIG. 9, a part of the second annular wall 32 including the portion facing the first annular wall 31 and a part of the internal rib 35 are cut off from the lid 30 to form a unit accommodation room. 37 is formed, and a locking unit 43 is provided in the unit accommodating room 37. The locking unit 43 has a structure in which a lock rod (not shown) of a strip is supported by a flat body 43A so as to be able to move directly. Further, a wireless circuit and a drive source for directly moving the lock rod are housed in the main body 43A. The locking unit 43 is fixed in the unit accommodation room 37 with an adhesive or the like, one end surface of the locking unit 43 is addressed to the first annular wall 31, and the locking rod appears and disappears from the rod insertion hole 31A. There is.

As shown in FIG. 11, a lattice groove 38 and an outer edge groove 39, which are both decorative and non-slip, are formed on the upper surface of the lid 30. The outer edge groove 39 is formed on three outer edge portions excluding the side having the hinge fixing portion 36, and the inside of the outer edge groove 39 is partitioned by a plurality of ribs 39L. Further, the groove width of the outer edge groove 39 is larger than that of the lattice groove 38. Further, an inner rib 35 or an outer edge rib 34 is located below the grid groove 38 (see FIG. 5).

As shown in FIG. 1, the inner portion of the second annular wall 32 of the lower surface of the lid 30 is covered with the heat insulating sheet 40. The heat insulating sheet 40 is a foam molded product having an independent foam structure, has a rectangular shape that is entirely fitted inside the second annular wall 32, and has the same height as the second annular wall 32 as shown in FIG. It is thick. Further, notches 40B and 40B for avoiding interference with the dampers 50 and 50 are formed at both corners of the heat insulating sheet 40 located on the rotation center side of the lid 30.

As shown in FIG. 10, on the upper surface of the heat insulating sheet 40, a grid groove 41 corresponding to the internal rib 35, a first recess 40A corresponding to the handle unit 44, and a second recess 40C corresponding to the locking unit 43 are provided. It is formed. Further, the inner surface structure of the second recess 40C is extended to the side of the heat insulating sheet 40 to form a cover piece 42. Specifically, the upper surface extending from the cover piece 42 to the inside of the second recess 40C has a square groove shape and has a square groove 42A sandwiched between a pair of bank portions 42B and 42B. Then, as shown in FIG. 14, the heat insulating sheet 40 is fitted in the second annular wall 32 with the internal ribs 35 fitted in the lattice groove 41, and the upper surface of the heat insulating sheet 40 is overlapped with the lower surface of the top plate 33. ing. Further, as shown in FIG. 1, the cover piece 42 fits in the unit accommodating room 37 and covers the locking unit 43 from below, and the bank portions 42B and 42B (see FIG. 10) are fitted into the gaps on both sides of the locking unit 43. ing.

This concludes the description of the configuration of the delivery box 10 of the present embodiment. As shown in FIG. 12, the delivery box 10 is embedded in the ground such as the front door of a house and used for receiving delivery. An example of the burial construction method will be described below.

As shown in FIG. 14, a box installation hole 92 capable of accommodating the entire delivery box 10 is dug, and pebbles for improving drainage are spread on the bottom surface thereof to form a pebbles layer 93. Then, a flat plate (not shown) is placed on the pebble layer 93 to level it, and the flat plate is removed.

Next, as shown in FIG. 13, a frame body 90 that can be fitted is prepared on the outside of the base plate 14 of the delivery box 10. The frame body 90 is formed by joining, for example, four strips 91 in a frame shape. The corrugated cardboard plastic may be used as the strip material 91 and joined by welding, or the wooden board may be used as the strip material 91 and joined by nails or the like. Then, the delivery box 10 is placed on the pebble layer 93 with the frame 90 fitted on the outside of the base plate 14, or the delivery box 10 is placed on the pebble layer 93 without the frame 90. Then, the frame body 90 is fitted to the outside of the base plate 14. When the corrugated cardboard plastic is used as the strip material 91, the corrugated cardboard plastic may be welded to the base plate 14.

Then, as shown in FIG. 14, the delivery box 10 is fixed in the box installation hole 92 by filling the soil 89 between the inner surface of the box installation hole 92 and the outer surface of the frame body 90. Next, the cement 95 is poured into the inside of the frame body 90. Here, since the chamfering range of the corner portion between the outer surfaces 13S and 13S of the lower end flange 13 is 0 to 5 [mm], which is the so-called pin angle state, the frame body 90 and the lower end flange 13 The gap between them is kept small, and the cement is prevented from leaking from the gap between the frame body 90 and the lower end flange 13.

After the cement 95 has solidified (may be semi-dried), the soil 88 is packed around the delivery box 10 as shown in FIG. Next, for example, the surface layer of the ground is removed to a position lower than the expansion wall 16 of the delivery box 10 to perform leveling. Next, the reinforcing bars 97 are laid on top of each other in a grid pattern. Then, the cement layer 98 is formed so that the reinforcing bar 97 is embedded, the upper surface of the cement layer 98 is leveled at a position slightly lower than the upper surface of the delivery box 10, and then the tile 99 is laid on the cement layer 98. As a result, the delivery box 10 is buried in the ground such as the front door of the house as shown in FIG. 12 (A).

Next, the operation and effect of the delivery box 10 of the present embodiment will be described. The resident and the delivery company are in a state of possessing the wireless remote controller of the locking unit 43 of the delivery box 10. Then, when the resident is absent, the delivery company unlocks the delivery box 10, opens the lid 30, stores the package in the delivery box 10, locks the package, and delivers the package to, for example, a mailbox. Make a note to that effect. The resident returns home, unlocks the delivery box 10 and opens the lid 30 based on the memo, takes out the delivery, closes the lid 30, and locks the lid 30. In this way, the delivery of the delivery to the home away from home can be smoothly performed, the trouble of redelivery can be saved, and the labor shortage of the delivery company can be taken as a countermeasure. In order to make it easy to take out the delivery from the delivery box 10, it is preferable to store the delivery in a bag with a handle or an inner box and store it in the delivery box 10.

Since the delivery box 10 is embedded in the front door of a house or the like, the appearance is important. On the other hand, in the delivery box 10 of the present embodiment, since the lid 30 is fitted inside the box body 11, as shown in FIG. 12, the delivery box 10 is closed or opened regardless of whether the lid 30 is closed or opened. The circumference of the upper end portion becomes simple and matches the tile 99 or the like, and the appearance can be made beautiful. On the other hand, since the lid 30 is fitted inside the box body 11, there is a concern that water may enter the gap between the lid 30 and the box body 11 from above.

However, as shown in FIG. 5, the lower surface of the flange portion 33A of the lid 30 comes into surface contact with the bottom surface 20A of the step portion 20 provided at the opening edge of the box body 11, so that a large amount of rainwater comes into contact with the lid 30 and the box. It is prevented from flowing into the delivery box 10 through the gap with the main body 11.

Further, at a position near the upper end of the inner surface of the box body 11, an annular step surface 16A facing the entire outer edge portion of the lid 30 from below is provided, and an inner annular wall 17 stands up from the entire annular step surface 16A. Therefore, even if water infiltrates through the gap between the outer fitting wall 18 and the lid 30, it is blocked by the inner annular wall 17 and receives water between the outer fitting wall 18 and the inner annular wall 17. Accepted by the groove 24. As a result, water intrusion into the inside of the box body 11 in which the luggage is housed is suppressed. Further, since the water in the water receiving groove 24 is discharged to the outside through the drain hole 22 shown in FIG. 4, it is possible to prevent the water from flowing from the water receiving groove 24 into the inside of the box body 11. Since the upper end of the drainage hole 22 is closed by the corner tray 23 (see FIG. 6), it is possible to prevent, for example, a house key or the like from falling into the drainage hole 22. Further, since the heat insulating sheet 40 is provided on the lower surface of the lid 30, it is possible to suppress the influence of the outside air temperature on the inside of the delivery box 10.

It is conceivable that a person rides on the delivery box 10 and passes by. On the other hand, the delivery box 10 of the present embodiment has a lower end flange 13 that projects laterally from the lower end portion, and the lower end flange 13 projects laterally more than all other parts of the delivery box 10. There is. Then, the lower end flange 13 is buried in the ground, and the cement 95 and soil 88 and 89 enter between the corner reinforcing walls 21 and 21 and between the plurality of vertical ribs 15L and the plurality of horizontal ribs 15M, so that the delivery box 10 The lower end of the delivery box 10 is stably fixed in the ground, and the delivery box 10 is prevented from shifting or wobbling.

Further, the load related to the lid 30 is not only the contact between the flange portion 33A of the outer edge thereof and the bottom surface 20A of the step portion 20 of the box body 11, but also a plurality of loads arranged in an annular shape on the outer edge portion of the lower surface of the lid body 30. Since it is also received by the contact between the outer edge rib 34 of the box body 11 and the inner annular wall 17 and the upright facing wall 19 of the box body 11, the load is distributed and the deformation of the lid 30 is suppressed. Moreover, the cylindrical corner reinforcing wall 21 is sandwiched between the expansion wall 16 at a position closer to the upper end and the lower end flange 13 at the lower end portion to serve as a support. As a result, the strength against a load from above is increased. Here, if the tubular corner reinforcing wall 21 becomes long, there is a concern that the in-cylinder molding portion of the mold to be molded inside thereof also becomes long and deformed by the resin pressure in the injection molding machine. In the delivery box 10, the inside of the corner reinforcing wall 21 is gradually narrowed toward the middle portion in the vertical direction thereof, so that the in-cylinder molded portion is divided into two in the longitudinal direction to withstand the resin pressure. Can be made.

[Other embodiments]
The present invention is not limited to the above-described embodiment, and for example, embodiments as described below are also included in the technical scope of the present invention, and various other than the following, as long as they do not deviate from the gist. It can be changed and implemented.

(1) In the delivery box 10 of the above embodiment, the corner reinforcing wall 21 has a square tubular shape, but it may be cylindrical. Further, the corner reinforcing wall 21 may not extend over substantially the entire vertical direction of the box body 11, and may extend from a lower position away from the expansion wall 16 to the lower end flange 13. Further, the corner reinforcing wall 21 may be extended above the expansion wall 16 and brought into contact with the lid 30. In that case, a hole for flowing water from the water receiving groove 24 to the drainage hole 22 may be formed on the side surface of the corner reinforcing wall 21.

(2) Further, the corner reinforcing wall 21 does not have to be cylindrical, and may be ribbed, for example.

(3) Further, in the delivery box 10 of the above embodiment, the upright facing wall 19 is divided into four sides, but the drainage hole 22 is made slightly smaller so that the upright facing walls 19 and 19 on both sides adjacent to each other are inner annular. It may be connected in the same manner as the wall 17.

(4) In the delivery box 10 of the above embodiment, a drain hole is provided at the bottom of the box body 11 and a plug is provided so that when water enters the delivery box 10, the plug can be removed to drain water. You may do it.

(5) In the delivery box 10 of the embodiment, the gap between the inner annular wall 17 and the upright facing wall 19 may be communicated with the drain hole 22, or the gap may be filled with a sealing material.

(6) In the delivery box 10 of the above embodiment, the inside of the corner reinforcing wall 21 is a drain hole 22, but in order to drain water from the water receiving groove 24 to the outside, for example, the corner reinforcing wall 21 is provided. Instead, the drainage hole 22 may be provided so as to penetrate the expansion wall 16 vertically or to penetrate the outer fitting wall 18 from the side.

10 Delivery box 11K Top opening 13 Bottom flange 13S Outer side surface 16 Expansion wall 21 Corner reinforcement wall 30 Lid

Claims (3)

A parcel box that has a top opening that opens and closes with a lid, and is used to receive parcels with at least the lower end buried in the ground.
A lower end flange that projects laterally from the lower end and is buried in the ground is provided, and the amount of lateral extension of the lower end flange is other than the lower end flange of the delivery box. Larger than the amount of lateral overhang of all parts,
An expansion wall that expands the upper part laterally is provided at a position near the upper end of the delivery box, and the lid is fitted inside the upper side of the expansion wall.
A plurality of cylindrical corner reinforcing walls extending in the vertical direction and connecting between the lower surface of each corner portion of the expansion wall or a portion in the vicinity thereof and the upper surface of the lower end flange are provided.
Each corner reinforcing wall has an upper end opening that opens on the upper surface of the expansion wall and a lower end opening that opens on the lower surface of the lower end flange, and the inside of each corner reinforcing wall is directed toward an intermediate portion in the vertical direction. A parcel box that has a gradually narrowed shape. A parcel box that has a top opening that opens and closes with a lid, and is used to receive parcels with at least the lower end buried in the ground.
An expansion wall that expands the upper part laterally is provided at a position near the upper end of the delivery box, and the lid is fitted inside the upper side of the expansion wall.
The lower end flange, which projects laterally from the lower end and is buried in the ground,
A plurality of cylindrical corner reinforcing walls extending in the vertical direction and connecting between the lower surface of each corner portion of the expansion wall and the upper surface of the lower end flange.
A plurality of vertical ribs provided on each outer surface of the delivery box and extending in the vertical direction to connect between the lower surface of the expansion wall and the upper surface of the lower end flange, and a plurality of vertical ribs.
It is provided with a plurality of horizontal ribs provided on each outer surface of the delivery box, extending horizontally, and connecting between the adjacent corner reinforcing walls.
The amount of protrusion of the plurality of vertical ribs and the plurality of horizontal ribs from the outer surface of the delivery box is smaller than the amount of protrusion of the plurality of corner reinforcing walls from the outer surface of the delivery box. The lower end flange has a quadrangular planar shape.
The delivery box according to claim 1 or 2, wherein the chamfering range of the corner portion between the outer surfaces of the lower end flanges is 0 to 5 [mm].

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