JP7424608B2 - container - Google Patents

Description

The present invention relates to a container whose main body and lid are made of foamed plastic.

Conventionally, various techniques have been proposed regarding the above-mentioned containers. For example, the cold storage container described in Patent Document 1 below includes a container body made of synthetic resin foam and a lid that fits inside the opening of the container body, and has an opening in one opposing side wall of the container body. The upper end of one of the opposing side walls is cut out, and the lid fitted inside the opening can be pulled out from the cutout; A recessed part is further provided in the notch of the one side wall, and a hanging protrusion that fits into the recess is provided at one end of the lid that fits into the notch, and the lid The recessed part is formed to be openable when the drawer is pulled out, and furthermore, on the inner surface of the opening edge of the both side walls along the direction in which the lid is pulled out, and on both side end surfaces of the lid that are in sliding contact therewith, near the front and rear corners, Each of them is provided with an engaging means that has a required length in the direction in which the lid is pulled out and engages with the lid so as to restrict the lifting of the lid. An engaging protrusion is provided on the upper part of the inner surface in the vicinity, and a recess into which the engaging protrusion fits is provided on the corresponding side end surface near the rear corner of the lid body. An engaging recess is provided at the lower part of the inner surface near the front corner, and a convex portion that fits into the engaging recess is provided at the corresponding side end surface of the lid near the front corner. Features.

Registered utility model No. 2549973

However, when the expansion ratio of the synthetic resin foam is increased from the viewpoint of improving cold storage performance, the synthetic resin foam becomes soft and the strength of the engagement means becomes insufficient. Therefore, if the lid is repeatedly opened and closed, there is a risk that a portion of the engaging means may be chipped and damaged, which raises concerns about the durability of the cold storage container.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned points, and the container body and the lid are made of foamed plastic, and the engaging part and the engaged part for engaging the lid with the container body are prevented from being damaged. The goal is to provide a container that achieves this goal.

The invention according to claim 1, which was made to solve this problem, includes a container body made of foamed plastic having an opening at the top , and a container body made of foamed plastic that slides on the container body in the first width direction of the container body. a lid; an engaging portion provided on the container body and disposed on a pair of first side surfaces parallel to the first width direction; , an engaged part that engages with the engaging part, the engaging part and the engaged part are harder than the container body and the lid, and the engaging part has a substantially rectangular shape in plan view. a first horizontal wall, a first vertical wall extending upward from the first horizontal wall, and an engaging convex portion projecting outward from the first vertical wall, and the engaged portion has a substantially rectangular shape in plan view. a second horizontal wall having a shape, a second vertical wall extending downward from the second horizontal wall, and an engaged protrusion projecting inward from the second vertical wall, and the lid is connected to the opening of the container body. By closing the portion and sliding it on the container body in the first width direction, the engaged convex portion of the engaged portion engages with the first horizontal wall and the first vertical wall of the engaging portion. It is characterized in that it is inserted between the mating convex portion and the engaged portion, and the engaged portion and the engaging portion engage with each other .

The invention according to claim 2 is the container according to claim 1, in which a container is provided in the container body and arranged on a second side surface side parallel to a second width direction orthogonal to the first width direction. The first locking part and the first locked part are provided on the lid, and when the lid closes the opening of the container body , the first locking part and the first locked part are engaged. This feature is characterized in that relative displacement between the lid and the container body in the height direction of the container body is restricted .

The invention according to claim 3 is the container according to claim 1 or claim 2, which comprises a second locking part provided on the container body and a second locked part provided on the lid. The second locking portion is provided on the upper surface of the first horizontal wall in the engaging portion, and the second locked portion is provided on the lower surface of the second horizontal wall in the engaged portion, When the lid closes the opening of the container body, the second locking part and the second locked part engage and stop in the first width direction.

The container of the invention according to claim 1 includes a container body made of foamed plastic and a lid made of foamed plastic. The lid closes the opening of the container body by sliding on the container body in the first width direction. At this time, in the container body, the engaged portion of the lid engages with the engaging portion of the container body on the pair of first side surfaces parallel to the first width direction. In this way, the engaging part and the engaged part engage the container body and the lid, but since they are harder than the container body and the lid, they are less likely to be damaged. As described above, in the container of the invention according to claim 1, the container main body and the lid are made of foamed plastic, and the engaging part and the engaged part for engaging the lid with the container main body are prevented from being damaged.

The container of the invention according to claim 2 includes a first locking portion provided on the container body and a first locked portion provided on the lid. When the lid closes the opening of the container body, in the container body, on the second side surface side parallel to the second width direction perpendicular to the first width direction, the container perpendicular to the first width direction and the second width direction In the height direction of the main body, the first locking part of the container main body and the first locked part of the lid engage and stop.

Therefore, in the container of the invention according to claim 2, the lid that closes the opening of the container main body is restricted from being displaced in the height direction of the container main body. Therefore, for example, even if the lid is lifted on the second side surface side of the container main body, the lid is prevented from coming off from the container main body. Furthermore, in addition to the engaging portion and the engaged portion, the lid is engaged with the container body by the first locking portion and the first locked portion, thereby preventing damage to the engaging portion and the engaged portion. is further improved, and the engagement between the container body and the lid becomes stronger.

The container of the invention according to claim 3 includes a second locking portion provided on the container body and a second locked portion provided on the lid. When the lid closes the opening of the container body, the second locking portion and the second locked portion engage and stop in the first width direction of the container body. Therefore, in the container of the invention according to claim 3, the lid that closes the opening of the container main body is restricted from being displaced in the first width direction while sliding on the container main body. This prevents the lid from opening unexpectedly.

It is a perspective view showing a container of this embodiment. It is a perspective view in which the same container was expressed. It is a perspective view in which the same container was expressed. FIG. 3 is an exploded perspective view showing the container body. FIG. 3 is a perspective view showing the container body. FIG. 3 is an exploded perspective view showing the lid. FIG. 3 is a perspective view showing the lid. FIG. 3 is a perspective view of the container when the opening of the container body is closed with a lid, with the lid being cut along line II-II in FIG. 2; FIG. 3 is a perspective view of the container when the opening of the container body is closed with a lid, with the lid being cut along line II-II in FIG. 2; A part of FIG. 9 is a side view. FIG. 3 is a perspective view of the container when the opening of the container body is closed with a lid, with the lid being cut along line II-II in FIG. 2; 12 is a side view of a portion of FIG. 11. FIG. 2 is a diagram showing a cross section of the container taken along line II in FIG. 1. FIG. FIG. 3 is a perspective view showing the container body. It is a perspective view showing a container of a modification. It is a perspective view showing the container main body of the same modification. It is a perspective view showing the lid of the same modification.

Hereinafter, the container according to the present invention will be described based on the present embodiment with reference to the drawings.

As shown in FIGS. 1 to 3, the container 1 of this embodiment includes a container body 10 and a lid 60. The container body 10 and the lid 60 are made of foamed polypropylene and are shaped by bead foam molding. Note that the container body 10 and the lid 60 may be made of foamed resin such as polystyrene.

In FIGS. 1 to 3, the direction indicated by the symbol D1 indicates the front-rear direction of the container 1. The direction of symbol D2 indicates the left-right direction of the container 1. The direction of symbol D3 indicates the vertical direction of the container 1. The directions D1, D2, and D3 are orthogonal to each other. These points also apply to FIGS. 4 to 17, which will be described later.

The container body 10 has a rectangular parallelepiped shape and includes a bottom wall 12, a left side wall 14L, a right side wall 14R, a front side wall 16F, and a rear side wall 16B. In the bottom wall portion 12, a left side wall portion 14L and a right side wall portion 14R extend upward from a pair of long sides parallel to the front-rear direction D1. Further, in the bottom wall portion 12, a front side wall portion 16F and a rear side wall portion 16B extend upward from a pair of short sides parallel to the left-right direction D2.

In the following description, when the left side wall portion 14L and the right side wall portion 14R are collectively referred to without distinction, they will be referred to as the side wall portion 14. Also, in the engaging member 30, side wall portion 64, engaged member 78, first engaging member 48, second engaging member 50, first engaged member 84, and second engaged member 86, which will be described later. Similarly, it is a generic term that does not distinguish between left and right, and when distinguishing, the prefixes ``left side'' and ``right side'' are added. Moreover, these have a mirror image symmetry relationship between the left and right sides.

A pair of stacking recesses 18 are provided on the outer surface of the bottom wall 12 near a pair of short sides of the bottom wall 12 that face each other in the front-rear direction D1. The pair of stacked recesses 18 are shaped like grooves recessed upward.

A front concave surface portion 22F is provided on almost the entire outer surface of the front side wall portion 16F. The front concave portion 22F is a flat surface that is slightly recessed rearward than the outer surface of the front side wall portion 16F, and the outer shape of the flat surface is rectangular when viewed from the front. A first handle recess 24 is provided on the plane of the front recess 22F. The first handle recess 24 is disposed near the upper side of the front recess 22F and at the center of the front recess 22F in the left-right direction D2, and is recessed rearward from the plane of the front recess 22F.

A rear concave surface portion 22B is provided on almost the entire outer surface of the rear side wall portion 16B. The rear concave surface portion 22B is a flat surface that is slightly recessed forward than the outer surface of the rear side wall portion 16B, and the outer shape of the flat surface is rectangular when viewed from the rear side. A first handle recess 24 is provided on the plane of the rear recess 22B, similar to the front recess 22F. Therefore, the operator can easily carry the container 1 by hooking his/her fingers onto both first handle recesses 24.

A first locking portion 28 is provided on the outer surface of the rear side wall portion 16B at the center in the left-right direction D2 and above the first handle recess 24. On the left and right sides of the first locking part 28, the rear side wall part 16B is shaped like a stepped cutout extending from the upper surface to the outer surface (see FIGS. 4 and 5 described later). Further, the first locking portion 28 has an isosceles trapezoidal shape in which the upper base is longer than the lower base when viewed from the rear side.

Three left engaging members 30L are provided on the left side wall portion 14L near its upper side. The left engaging members 30L are arranged at equal intervals in the front-rear direction D1. Three right engagement members 30R are provided on the right side wall portion 14R near its upper side. The right side engaging members 30R are arranged at equal intervals in the front-back direction D1, and face each left side engaging member 30L in the left-right direction D2.

The lid 60 has a rectangular parallelepiped shape and includes a top wall 62, a left side wall 64L, a right side wall 64R, a front side wall 66F, and a rear side wall 66B.

When the lid 60 is attached to the container body 10, the front surface (front side wall portion 66F) of the top wall portion 62 of the lid 60 and the outer surface of the front side wall portion 16F of the container body 10 are flush with each other, and the rear side wall portion of the lid 60 The outer surface of 66B and the outer surface of the rear side wall portion 16B of the container body 10 are flush with each other. Furthermore, the outer surfaces of both side walls 64 of the lid 60 and the outer surfaces of both side walls 14 of the container body 10 are flush with each other.

A pair of stacked convex portions 68 are provided on the upper surface of the ceiling wall portion 62 near a pair of short sides of the ceiling wall portion 62 that face each other in the front-rear direction D1. The pair of stacked convex portions 68 have a ridge shape that swells upward. When the containers 1 are stacked in the vertical direction D3, in order to stabilize the stacked state, the upper shelf is stacked against the pair of stacking protrusions 68 provided on the top wall part 62 of the lower container 1. A pair of stacking recesses 18 provided in the bottom wall portion 12 of the side container 1 are fitted.

A first locked portion 70 is provided at the center of the rear side wall portion 66B in the left-right direction D2. The first locked portion 70 has a shape in which the rear side wall portion 66B is cut out from the lower surface of the rear side wall portion 66B, and furthermore, the upper base is longer than the lower base when viewed from the front-rear direction D1. It has a trapezoidal shape. That is, the first locked portion 70 has substantially the same shape and size as the first locked portion 28 provided on the rear side wall portion 16B of the container body 10, when viewed from the rear side.

Therefore, as will be described later, when the lid 60 is attached to the container body 10 by sliding forward on the container body 10, the first locked portion 70 on the lid 60 side and the container body 10 The first locking portion 28 on the side is fitted. Therefore, relative displacement of the lid 60 and the container body 10 in the up-down direction D3 is restricted, and only relative sliding movement in the front-back direction D1 is possible.

Note that the first locked part 70 on the lid 60 side and the first locked part 28 on the container body 10 side have a so-called dovetail structure, but in bead foam molding, they are It is provided in an undercut shape within a range where mold release is possible.

Three left engaged members 78L are provided on the left side wall portion 64L near its lower side. The left engaged members 78L are arranged at equal intervals in the front-rear direction D1. Three right engaged members 78R are provided on the right side wall portion 64R near its lower side. The right side engaged members 78R are arranged at regular intervals in the front-rear direction D1, and face each left side engaged member 78L in the left-right direction D2. When the lid 60 is attached to the container body 10, each left side engaged member 78L faces each left side engagement member 30L on the container body 10 side in the vertical direction D3, and each right side engaged member 78R faces each left side engagement member 30L on the side of the container body 10. It faces each right engaging member 30R on the side of the container body 10.

As shown in FIGS. 4 and 5, two first cold storage agent pockets 34 are provided on each inner surface of the side wall portion 14. One second cold storage agent pocket 36 is provided on each inner surface of the front side wall portion 16F and the rear side wall portion 16B.

The both side wall portions 14 and the rear side wall portion 16B have a sliding stepped portion 42 formed of a horizontal surface and a vertical surface by being cut out in a stepped shape from the upper surface to the outer surface thereof. are provided around the area. The sliding step portion 42 is continuous with the first locking portion 28 on the outer surface of the rear side wall portion 16B.

Three first mounting recesses 44 are arranged at equal intervals in the front-rear direction D1 on the left side wall portion 14L. Each of the first mounting recesses 44 is provided by cutting the left side wall 14L into a step-like shape that is deeper than the sliding step 42 from the top surface to the outer surface thereof. As a result, each first mounting recess 44 is composed of a horizontal surface and a vertical surface. Further, on the outer surface of the left side wall portion 14L, the sliding step portion 42 has a shape divided by each of the first mounting recesses 44.

A second mounting recess 46 is arranged in each first mounting recess 44 from near the center in the front-rear direction D1 to the rear side. The second mounting recess 46 is formed by cutting the left side wall 14L into a stepped shape extending from the upper surface thereof to the vertical surface of the first mounting recess 44 .

Similarly to the left side wall 14L, three first mounting recesses 44 are arranged on the right side wall 14R, and a second mounting recess 46 is arranged in each first mounting recess 44.

A left engaging member 30L is fixed to each first mounting recess 44 of the left side wall 14L. The left side engaging member 30L includes a left side first engaging member 48L and a left side second engaging member 50L.

The left first engagement member 48L is a substantially L-shaped hollow component, and is composed of a relatively long horizontal portion and a relatively short vertical portion. A locking convex portion 49 that protrudes upward is provided on the upper surface of the horizontal portion of the first left engaging member 48L at approximately the center in the longitudinal direction. Moreover, two ribs are provided across the horizontal portion of the left first engagement member 48L. As a result, three spaces are formed within the first left engaging member 48L. Further, the lower end of the vertical portion of the left first engagement member 48L has a shape in which the right side thereof is notched.

The left first engagement member 48L is made of non-foamed resin (solid) such as polypropylene, polyethylene, polyamide resin, or polyacetal, and is harder than the container body 10 and lid 60 made of foamed polypropylene.

The left second engagement member 50L includes a horizontal wall 51 that is substantially rectangular in plan view, and a vertical wall 52 that extends upward from the left long side of the horizontal wall 51. A front recess 53 and a rear recess 54 are provided on the upper surface of the horizontal wall 51, so that a locking protrusion 55 is provided between the front recess 53 and the rear recess 54. On the left side of the vertical wall 52, three fitting convex portions 56 are provided on the front side thereof. A mounting convex portion 57 is provided on the upper surface of the vertical wall 52 from near the center in the front-rear direction D1 to the rear side.

In the left second engagement member 50L, the three fitting convex portions 56 fit into the three spaces in the left first engagement member 48L, so that the left first engagement member 48L is assembled. As a result, the upper surface of the horizontal portion of the left first engagement member 48L is flush with the upper surface of the vertical wall 52 of the left second engagement member 50L. In this way, the first left engaging member 48L and the second left engaging member 50L are assembled separately.

The right side engaging member 30R includes a right side first engaging member 48R and a right side second engaging member 50R. Since the right side first engagement member 48R and the right side second engagement member 50R are mirror image symmetry with the left side first engagement member 48L and the left side second engagement member 50L, the left side first engagement member 48L and the left side second engagement member 48L are The same parts as the engaging member 50L are denoted by the same reference numerals, and detailed description thereof will be omitted.

When the left second engagement member 50L is fixed to the first attachment recess 44 of the left side wall 14L, the horizontal surface of the first attachment recess 44 and the lower surface of the horizontal wall 51 of the left second engagement member 50L are vertically aligned. The vertical surface of the first mounting recess 44 and the right surface of the vertical wall 52 of the left second engagement member 50L face and contact in the left-right direction D2, and the second mounting recess 46 of the first mounting recess 44 faces and contacts in the direction D3. and the mounting convex portion 57 of the left second engagement member 50L fit together. Thereby, the left first engagement member 48L and the left second engagement member 50L are arranged on the outer side of the container body 10.

Further, the left surface of the horizontal wall 51 of the second left engagement member 50L is flush with the outer surface of the left side wall portion 14L. The upper surface of the horizontal wall 51 of the left second engagement member 50L is flush with the horizontal surface of the sliding step portion 42 of the left side wall portion 14L. The upper surface of the vertical wall 52 of the left second engagement member 50L and the upper surface of the horizontal portion of the left first engagement member 48L are flush with the upper surface of the left side wall portion 14L. Thereby, the locking convex portion 49 of the left first engagement member 48L protrudes upward from the upper surface of the left side wall portion 14L.

Note that the left second engagement member 50L may be fixed to the first attachment recess 44 of the left side wall 14L using an adhesive, a new fitting structure, or the like.

These points are the same even when the right second engagement member 50R is fixed to the first attachment recess 44 of the right side wall portion 14R.

As shown in FIGS. 6 and 7, three mounting recesses 82 are arranged at equal intervals in the front-rear direction D1 on the left side wall 64L. Each mounting recess 82 is provided by cutting out the left side wall 64L and the top wall 62 into a stepped shape extending from the lower surface of the left side wall 64L to the top wall 62. Thereby, each mounting recess 82 is composed of a horizontal surface and a vertical surface.

Similarly to the left side wall 64L, three mounting recesses 82 are arranged on the right side wall 64R.

A left engaged member 78L is fixed to each mounting recess 82 of the left side wall 64L. The left side engaged member 78L includes a left side first engaged member 84L and a left side second engaged member 86L.

The left first engaged member 84L is a substantially L-shaped hollow component, and is composed of a relatively long horizontal portion and a relatively short vertical portion. A locking convex portion 85 projecting downward is provided on the lower surface of the horizontal portion of the left first engaged member 84L at approximately the center in the longitudinal direction thereof. Furthermore, two ribs are provided across the horizontal portion of the left first engaged member 84L. As a result, three spaces are formed within the left first engaged member 84L. Further, the upper end of the vertical portion of the left first engaged member 84L has a shape in which the left side thereof is notched.

The left first engaged member 84L is made of non-foamed resin (solid) such as polypropylene, polyethylene, polyamide resin, or polyacetal, and is harder than the container body 10 and lid 60 made of foamed polypropylene.

The left second engaged member 86L includes a horizontal wall 87 that is substantially rectangular in plan view, and a vertical wall 88 that extends downward from the left long side of the horizontal wall 87. A recess 89 is provided on the front side of the lower surface of the horizontal wall 87. On the right side of the vertical wall 88, three fitting protrusions 90 are provided on the front side thereof.

In the left second engaged member 86L, the three fitting convex portions 90 fit into the three spaces in the left first engaged member 84L, so that the left first engaged member 84L is assembled. . As a result, the lower surface of the horizontal portion of the left first engaged member 84L is flush with the lower surface of the vertical wall 88 of the left second engaged member 86L. In this way, the left side first engaged member 84L and the left side second engaged member 86L are assembled separately.

The right side engaged member 78R includes a right side first engaged member 84R and a right side second engaged member 86R. The first engaged member 84R on the right side and the second engaged member 86R on the right side are mirror images of the first engaged member 84L on the left side and the second engaged member 86L on the left side, so the first engaged member on the left side The same parts as 84L and left second engaged member 86L are denoted by the same reference numerals, and detailed description thereof will be omitted.

When the left second engaged member 86L is fixed to the mounting recess 82 of the left side wall 64L, the horizontal surface of the mounting recess 82 and the upper surface of the horizontal wall 87 of the left second engaged member 86L are aligned in the vertical direction D3. The vertical surface of the mounting recess 82 and the right surface of the horizontal wall 87 of the left second engaged member 86L face and contact in the left-right direction D2. Thereby, the left first engaged member 84L and the left second engaged member 86L are arranged on the inner side of the lid 60.

Furthermore, the left surface of the vertical wall 88 of the left second engaged member 86L is flush with the outer surface of the left side wall portion 64L. The lower surface of the horizontal wall 87 of the left second engaged member 86L is flush with the lower surface of the top wall portion 62. The lower surface of the vertical wall 88 of the left second engaged member 86L and the lower surface of the horizontal portion of the left first engaged member 84L are flush with the lower surface of the left side wall portion 64L. As a result, the locking convex portion 85 of the left first engaged member 84L protrudes below the lower surface of the left side wall portion 64L.

Note that the left second engaged member 86L may be fixed to the mounting recess 82 of the left side wall 64L using an adhesive, a new fitting structure, or the like.

These points are the same even when the right second engaged member 86R is fixed to the attachment recess 82 of the right side wall 64R.

The second engaging member 50 and the second engaged member 86 are made of foamed polypropylene similar to the container body 10 and the lid 60, but have a lower foaming ratio than the container body 10 and the lid 60. It is harder than the lid 60. Note that the second engaging member 50 and the second engaged member 86 may have the same expansion ratio as the container body 10 and the lid 60. Further, the second engaging member 50 may be formed integrally with the container body 10, and the second engaged member 86 may be formed integrally with the lid 60.

As shown in FIG. 8, when the lid 60 is attached to the container body 10, the lid 60 is shifted rearward with respect to the container body 10, and the first engaging member 48 on the container body 10 side The lid 60 is placed over the container body 10 such that the first engaged member 84 on the lid 60 side is inserted between the sliding step portion 42 and the sliding step portion 42 . Note that an inclined surface 91 is provided on the lower surface of the horizontal wall 87 of the second engaged member 86 on the lid 60 side, on the front side of the recess 89 . The inclined surface 91 is inclined downward toward the rear side.

When the lid 60 is placed on the container body 10 in this manner, the first engaged member 84 on the lid 60 side is engaged with the second engaged member 84 on the container body 10 side, as shown in FIGS. 9 and 10. It is placed on the upper surface of the horizontal wall 51 of the member 50. Further, the locking protrusion 85 of the first engaged member 84 on the lid 60 side is placed in the rear recess 54 of the second engaging member 50 on the container body 10 side. On the other hand, the lower surface of the top wall portion 62 on the lid 60 side is placed on the upper surface of the horizontal portion of the first engaging member 48 on the container body 10 side. Further, the inclined surface 91 of the second engaged member 86 on the lid 60 side faces the rear end portion of the horizontal portion of the first engaging member 48 on the container body 10 side above the rear end portion.

Furthermore, the lower surface of the side wall portion 64 on the lid 60 side and the lower surface of the vertical wall 88 of the second engaged member 86 are placed on the horizontal surface of the sliding step portion 42 on the container body 10 side.

Thereafter, in order to close the opening 32 of the container body 10 with the lid 60, when the lid 60 is slid forward, as shown in FIGS. 11 and 12, the first engaging member 48 on the side of the container body 10 Since the first engaged member 84 on the lid 60 side enters between the horizontal wall 51 and the horizontal wall 51, the first engaging member 48 on the container body 10 side and the first engaged member 84 on the lid 60 side engage with each other. . At that time, the locking protrusion 85 of the first engaged member 84 on the lid 60 side passes from the rear recess 54 of the second engaging member 50 on the container main body 10 side, over the locking protrusion 55 and into the front recess 53. Get involved and get involved. Further, the locking convex portion 49 of the first engaging member 48 on the side of the container body 10 slides on the inclined surface 91 of the second engaged member 86 on the side of the lid 60, enters the recessed portion 89, and engages.

Further, as shown in FIG. 13, the first engaging member 48 on the container body 10 side is connected to the first engaged member 84 on the lid 60 side and the second engaged member 84 on the lid 60 side from the outside of the container body 10. Surrounded by member 86.

Further, as described above, on the rear side of the container 1, the first locked portion 70 on the lid 60 side and the first locking portion 28 on the container body 10 side fit together.

In the container body 10, for example, as shown in FIG. 14, a first cold storage agent 92 is set in the first cold storage agent pocket 34, and a second cold storage agent 94 is set in the second cold storage agent pocket 36. Ru. Note that a heat storage material may be set instead of each cold storage agent.

As described in detail above, the container 1 of this embodiment includes the container body 10 made of foamed polypropylene and the lid 60 made of foamed polypropylene. The lid 60 closes the opening 32 of the container body 10 by sliding on the container body 10 in the front-rear direction D1. At this time, in the container body 10, on each outer surface of the pair of side wall portions 14 parallel to the front-rear direction D1, the first engaged member 48 on the container body 10 side is opposed to the first engaged member on the lid 60 side. 84 is involved. Thereby, the lid 60 is locked to the container body 10.

In this way, the first engaging member 48 and the first engaged member 84, which engage the container body 10 and the lid 60, are made of non-foamed resin (solid) and are And since it is harder than the lid, it is less likely to break.

As described above, in the container 1 of this embodiment, the container body 10 and the lid 60 are made of foamed polypropylene, and the first engaging member 48 and the first engaged member 84 for engaging the lid 60 with the container body 10 We are trying to prevent damage to the

Furthermore, since the first engaging member 48 and the first engaged member 84 are made of non-foamed resin (solid), the sliding properties with respect to the second engaged member 86 and the second engaging member 50 are improved. are doing.

The container 1 of this embodiment includes a first locking portion 28 provided on the container body 10 and a first locked portion 70 provided on the lid 60. When the lid 60 closes the opening 32 of the container body 10, the outer surface side of the rear side wall portion 16B of the container body 10, which is parallel to the left-right direction D2 orthogonal to the front-back direction D1, moves in the front-back direction D1 and the left-right direction D2. In the height direction (up-down direction D3) of the container body 10 perpendicular to , the first locking portion 28 on the container body 10 side and the first locked portion 70 on the lid 60 side engage and stop.

Therefore, in the container 1 of the present embodiment, the lid 60 that closes the opening 32 of the container body 10 is restricted from being displaced in the height direction (vertical direction D3) of the container body 10. Therefore, for example, even if the lid 60 is lifted on the rear side wall portion 16B side of the container body 10, the lid 60 is prevented from coming off from the container body 10. Furthermore, in addition to the first engaging member 48 and the first engaged member 84, the lid 60 is engaged with the container body 10 by the first engaging part 28 and the first engaged part 70. Damage to the first engaging member 48 and the first engaged member 84 is further prevented, and the engagement between the container body 10 and the lid 60 is strengthened.

The container 1 of this embodiment includes a locking protrusion 49 and a front recess 53 provided on the container body 10, and a locking protrusion 85 and a recess 89 provided on the lid 60. When the lid 60 closes the opening 32 of the container body 10, the container body 10 has the locking protrusion 49 and front recess 53 on the container body 10 side, and the locking protrusion 85 on the lid 60 side in the front-rear direction D1. and the recess 89 engage with each other and stop. Therefore, in the container 1 of this embodiment, the lid 60 that closes the opening 32 of the container body 10 is restricted from being displaced in the front-rear direction D1 while sliding on the container body 10. This prevents the lid 60 from opening unexpectedly.

In the container 1 of this embodiment, as described above, the first engaging member 48 on the container main body 10 side is connected to the first engaged member 84 on the lid 60 side and the second covering member from the outside of the container main body 10. It is surrounded by an engagement member 86 . That is, the first engaging member 48 on the side of the container body 10 contacts or approaches the first engaged member 84 on the side of the lid 60 from the inside of the container body 10. Therefore, even if the container body 10 is pushed outward by the stored contents, the first engaging member 48 on the container body 10 side is not engaged with the first engaged member 84 on the lid 60 side. Since the container body 10 and the lid 60 are pressed against the second engaged member 86 on the lid 60 side while maintaining this state, the container body 10 and the lid 60 are not disengaged.

Incidentally, in this embodiment, the left side wall portion 14L and the right side wall portion 14R are an example of "a pair of first side surfaces." The rear side wall portion 16B is an example of a "second side surface." The first left engaging member 48L and the first right engaging member 48R are examples of "engaging parts." The locking convex portion 49 and the front recess 53 are an example of a “second locking portion”. The locking convex portion 85 and the recess 89 are an example of a “second locked portion”. The left side first engaged member 84L and the right side first engaged member 84R are examples of "engaged parts". The front-rear direction D1 is an example of a "first width direction." The left-right direction D2 is an example of a "second width direction." The vertical direction D3 is an example of a "height direction".

Note that the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit thereof.
For example, when the lid 60 closes the opening 32 of the container body 10, the first engaging member 48 on the container body 10 side and the first engaged member 84 on the lid 60 side are provided on opposing surfaces, respectively. They may be engaged and stopped using a new uneven locking structure. In such a case, the new uneven locking structure is an example of a "second locking part" and a "second locked part."

Further, regarding the first engaging member 48 on the container body 10 side and the first engaged member 84 on the lid 60 side, one may be made of non-foamed resin (solid), and the other may be made of foamed resin. .

Specifically, for example, regarding the engaging member 30 on the side of the container body 10, the first engaging member 48 and the second engaging member 50 constituting the engaging member 30 have a shape within a range that allows realization of the mold structure. , is integrally formed. In such a case, the engaging member 30 (the first engaging member 48 and the second engaging member 50 constituting the engaging member 30) is molded with a lower foaming ratio than the container body 10 and the lid 60, but the foaming ratio on the lid 60 side is The second engaged member 86 may be molded with the same expansion ratio as the container body 10 and the lid 60.

The first locking portion 28 on the container body 10 side and the first locked portion 70 on the lid 60 side are connected to the outer surface of the front side wall portion 16F of the container body 10 and the front surface of the top wall portion 62 of the lid 60 (front side wall 66F).

Further, the present invention may be a container 201 shown in FIG. 15. The container 201 includes a container body 110 shown in FIG. 16 and a lid 160 shown in FIG. 17. In the following description, the same reference numerals are given to parts that are substantially common to the above embodiment, and the same numbers are given to parts that substantially correspond to the above embodiment in the 100s. omitted.

The left side engagement member 130L, which is composed of the left side first engagement member 148L and the left side second engagement member 150L, is integrally molded from foamed polypropylene similar to the container body 110 and the lid 160; Since the foaming ratio is lower than that of the container body 110 and the lid 160, it is harder than the container body 110 and the lid 160. Note that the left engaging member 130L may be formed integrally with the container body 110. These points also apply to the right side engagement member 130R, which is composed of the right side first engagement member 148R and the right side second engagement member 150R.

The left side engaged member 178L, which is composed of the left side first engaged member 184L and the left side second engaged member 186L, is integrally molded from foamed polypropylene similar to the container body 110 and the lid 160, but is different from the container body 110. Since the foaming ratio is lower than that of the lid 160, it is harder than the container body 110 and the lid 160. Note that the left engaged member 178L may be formed integrally with the lid 160. These points also apply to the right side engaged member 178R, which is composed of the right side first engaged member 184R and the right side second engaged member 186R.

A pair of attachment grooves 200 are provided on the outer surface of the front side wall 16F of the container body 110 along the vertical direction D3. Each mounting groove 200 is narrower than the first mounting groove 202 and communicates with the first mounting groove 202 provided from the upper surface to the outer surface of the front side wall 16F on the lower side thereof. It has a second mounting groove 204 and a bearing groove 206 communicating with the second mounting groove 204 on the left and right sides thereof and extending in the left-right direction D2.

A belt 208 is pivotally supported within each attachment groove 200 . The belt 208 includes a tape material 210 made of polypropylene, a shaft 212 provided at one end of the tape material 210 and suspended in the bearing groove 206, and a female buckle 214 made of resin provided at the other end of the tape material 210. have.

A pair of attachment grooves 250 are provided in the lid 160 along the up-down direction D3 and the front-back direction D1. Each mounting groove 250 has a first mounting groove 252 , a second mounting groove 254 , and a bearing groove 256 . The first mounting groove portion 252 is provided from the lower surface of the top wall portion 62 to the outer surface of the front side wall portion 66F. The second mounting groove 254 is provided on the upper surface of the top wall 62 and communicates with the first mounting groove 252 above, but is narrower than the first mounting groove 252 . The bearing groove 256 communicates with the second mounting groove portion 254 on its left and right sides, and extends in the left-right direction D2.

A belt 258 is pivotally supported within each attachment groove 250 . The belt 258 includes a tape material 260 made of polypropylene, a shaft 262 provided at one end of the tape material 260 and suspended in the bearing groove 256, and a male buckle 264 made of resin provided at the other end of the tape material 260. have.

When the lid 160 is attached to the container body 110, the first attachment groove 252 of each attachment groove 250 on the lid 160 side is in a continuous state with the first attachment groove 202 of each attachment groove 200 on the container body 110 side. The male buckle 264 of the belt 258 on the lid 160 side and the female buckle 214 of the belt 208 on the container body 110 side are now in an engageable state.

When the male buckle 264 of the belt 258 on the lid 160 side and the female buckle 214 of the belt 208 on the container body 110 side are engaged, the lid 160 and the container body 110 can relatively slide in the front-rear direction D1. suppressed.

Incidentally, in this modification example, the left first engagement member 148L and the right first engagement member 148R are examples of "engagement parts." The left first engaged member 184L and the right first engaged member 184R are examples of "engaged parts." The belt 208 is an example of a “first locking portion” or a “second locking portion”. The belt 258 is an example of a “first locked portion” or a “second locked portion”.

1 Container 10 Container body 14L Left side wall 14R Right side wall 16B Rear side wall 28 First locking portion 32 Opening 48L First left engaging member 48R Right first engaging member 49 Locking convex portion 53 Front recess 60 Lid 70 First engaged member 84L Left side first engaged member 84R Right side first engaged member 85 Locking protrusion 89 Recess 110 Container body 148L Left first engaging member 148R Right first engaging member 184L Left side First engaged member 184R Right first engaged member 160 Lid 201 Container 208 Belt 258 Belt D1 Front-back direction D2 Left-right direction D3 Up-down direction

Claims (3)

a foamed plastic container body having an opening at the top;
a lid made of foamed plastic that slides on the container body in a first width direction of the container body;
an engaging portion provided on the container body and disposed on a pair of first side surfaces parallel to the first width direction;
an engaged part provided on the lid and engaged with the engaging part when the lid closes the opening of the container body,
The engaging portion and the engaged portion are harder than the container body and the lid,
The engaging portion is
a first horizontal wall that is substantially rectangular in plan view;
a first vertical wall extending upward from the first horizontal wall;
an engaging protrusion projecting outward from the first vertical wall;
The engaged portion is
a second horizontal wall that is substantially rectangular in plan view;
a second vertical wall extending downward from the second horizontal wall;
an engaged protrusion protruding inward from the second vertical wall;
By closing the opening of the container body and sliding the lid in the first width direction on the container body, the engaged convex portion of the engaged portion The engaging part is inserted between the first horizontal wall, the first vertical wall, and the engaging convex part of the part, and the engaged part and the engaging part engage with each other. container. a first locking portion provided on the container body and disposed on a second side surface side parallel to a second width direction perpendicular to the first width direction;
a first locked portion provided on the lid;
When the lid closes the opening of the container main body, the first locking part and the first locked part engage each other, so that the lid and the container main body are connected to each other at a height of the container main body. 2. The container according to claim 1, wherein relative displacement in the transverse direction is restricted. a second locking portion provided on the container body;
a second locked portion provided on the lid;
The second locking portion is provided on the upper surface of the first horizontal wall in the engaging portion,
The second locked portion is provided on the lower surface of the second horizontal wall in the engaged portion,
Claim 1, wherein when the lid closes the opening of the container body, the second locking part and the second locked part engage and stop in the first width direction. Or the container according to claim 2.

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