JP3195655U - Food container - Google Patents

Abstract

A food container that can be kept warm and cold is provided. A container body 1 is covered with a lid body 2 that holds a heat storage material 6 by a dish-shaped holding member 7, and a rib wall 13 of the container body 1 is clamped by a locking means 8 and a locked means 9. The container body 1 is configured to be pressed toward the packing 19 installed in the downward groove 15 of the lid 2, and the container body 1 is a heat insulating double container in which an inner container 1 a and an outer container 1 b are interposed with heat insulating materials 1 c and 2 c. The rib wall 13 and the locked means 9 are provided in the inner container 1a, and the lid body 2 is a heat insulating material obtained by combining the inner lid 2a and the outer lid 2b with heat insulating materials 1c and 2c interposed therebetween. The inner lid 2a is provided with bearing means 18 that constitutes a double lid, and has a downward groove 15 in which the packing 19 is housed, and a locking means 9, and is fitted on the inner lid 2a. A fitting piece that can swing between a pair of cut portions 23 formed toward 22. 4, a knob 24 a protruding from the holding wall 21 is formed on the fitting piece 24, and fitting claw means 25 a and 25 b are provided between the fitting piece 24 and the peripheral wall 14 of the inner lid 2 a. Yes. [Selection] Figure 5

Description

The present invention relates to a food container, and more particularly to a food container that can be kept warm.

The present applicant relates to a food container that can be kept warm, and includes a container body having a food storage chamber having an upward opening, and a lid having a heat storage material storage chamber having a downward opening. With the heat storage material stored in the body heat storage material storage chamber and the holding member inserted in the downward opening, the lid opens the container body so that the upward opening of the container body can be freely opened and closed, and the latch is provided on the cover A food container has been proposed and has been well received by detachably locking the means to the locked means of the container body.

Japanese Patent No. 2879204 Japanese Patent No. 4880727

By the way, in order to improve the function and effect of the cold and heat insulation, it is preferable that the container body and the lid body have a heat insulating structure. Therefore, the container body is constituted by a heat insulating double container formed by combining an inner container and an outer container interposed with a heat insulating material, and the lid body is formed by combining an inner cover and an outer cover interposed with a heat insulating material. It is desirable to configure with a heat insulating double lid.

In this regard, in order to maintain the cold insulation temperature, it is necessary to have a sealed structure with packing while the container body is covered with the lid. Such a sealing structure is achieved by locking the locking means provided on the lid body to the locked means provided on the container body, thereby strongly clamping and compressing the packing provided in the circumferential groove of the lid body. It becomes possible.

However, when a container body consisting of a heat insulating double container or a cover body consisting of a heat insulating double lid is formed of plastic, if a strong clamping structure with locking means and locked means is adopted, the container body having a double structure In addition, there are structural difficulties such as distortion of the lid, and in the worst case, repeated use may cause damage to the double structure.

Further, it is desirable that the food container intended for keeping warm and kept can be used as a food container not intended for keeping warm and kept by the user.

The present invention provides a food container that solves the above-mentioned problems, and is constituted as a container body including a food storage chamber having an upward opening and a heat storage material storage chamber having a downward opening. The lid body opens and closes the upward opening of the container body with the heat storage material stored in the heat storage material storage chamber of the lid and a dish-shaped holding member fitted in the downward opening. The food container is formed by freely covering and locking the locking means provided on the lid to the locked means of the container main body. The container main body includes an inner container with a heat insulating material interposed therebetween. A heat insulating double container is formed by combining outer containers, and rib walls projecting upward from the upper peripheral wall of the inner container and extension walls that refract outward are formed, and a flat frame-like surface is formed by the extension walls. And at least two opposite sides of the container body Locking means protrudes outward from the extension wall, and the lid body constitutes a heat insulating double lid formed by combining an inner lid and an outer lid with an insulating material interposed therebetween, and the peripheral wall of the inner lid An extension wall that refracts outward is formed through a downward groove having a packing facing the rib wall of the container body at the lower portion, and a flat frame-like surface is formed by the extension wall, and at least the facing 2 of the lid A bearing means projects outwardly from the extension wall at a side, and a locking means is pivotally attached to the bearing means, and the dish-shaped holding member includes the heat storage material storage chamber. A holding wall with a vent hole to be covered, and a fitting wall fitted into the peripheral wall of the inner lid of the lid body from the holding wall, and a pair of cut portions formed from the holding wall toward the fitting wall A swingable fitting piece is provided therebetween, and a knob portion protruding from the holding wall is formed on the fitting piece. Fitting attachment piece and lies in comprising providing mutually fitting pawl means of the peripheral wall of the inner lid.

In a preferred embodiment of the present invention, a partition body that is removably inserted into a food storage chamber of the container body is provided, and the partition body is formed in an L-shaped cross section having a long wall portion and a short wall portion. The long wall portion can be inserted into the food storage chamber according to a posture selected from both the first posture along the bottom of the food storage chamber and the second posture along the short wall portion along the bottom of the food storage chamber. The short wall portion is formed to have a height for partitioning the food storage chamber by the short wall portion in a state where the container body is covered with a lid body to which the dish-shaped holding member is attached. The long wall portion is formed to have a height for partitioning the food storage chamber and the heat storage material storage chamber by the long wall portion in a state where the container body is covered by the lid body from which the dish-shaped holding member is removed. Yes.

According to this invention of Claim 1, when using a food container for heat insulation or cold preservation, the heat storage material 6 made into the heat insulation state or the cold insulation state is inserted into the heat storage material storage chamber 4 of the lid 2, and the dish If the container main body 1 is covered with the lid 2 with the shape holding member 7 attached, the food storage chamber 3 can be held in a warm or cold state. Therefore, in the case of food that is eaten in a heated state, it can be stored in a warm state, and in the case of food that is eaten in a cooled state, it can be stored in a cold state, and it is a lunch box that is carried outdoors. Etc., and can be used practically.

After the food is stored in the food storage chamber 3, the lid 2 is put on the container body 1, and the locking means 8 is locked to the locked means 9, so that the rib wall 13 of the container body 1 is attached to the lid 2. The food storage chamber 3 is sealed by being pressed against the packing 19. That is, the locking means 8 and the locked means 9 function as clamping means that strongly pulls the lid 2 and the container body 1 together.

At this time, the stress generated by the clamp in the lid body 2 acts on the downward groove 15 in which the packing 19 is housed and the bearing means 18 that is pivotally attached to the locking means 8, all of which are provided on the inner lid 2 a. ing. That is, the outer lid 2b and the heat insulating material 2c are completely released from the stress generated by the clamp. For this reason, no strain stress acts between the inner lid 2a, the outer lid 2b, and the heat insulating material 2c, and there is no possibility of damaging the double lid structure.

Further, the stress generated by the clamp in the container body 1 acts on the rib wall 13 and the locked means 9, but these parts are all provided in the inner container 1 a. That is, the outer container 1b and the heat insulating material 1c are completely released from the stress generated by the clamp. For this reason, a strain stress does not act among the inner container 1a, the outer container 1b, and the heat insulating material 1c, and there is no possibility of damaging the double container structure.

When taking out the heat storage material 6 accommodated in the heat storage material storage chamber 4 by the dish-shaped holding member 7 for heat storage, the fitting piece 24 is swung in the state where the lid 2 is removed from the container main body 1, and the fitting is performed. The dish-like holding member 7 may be separated from the lid 2 by releasing the fitting of the claw means 25a, 25b. At this time, the fitting piece 24 has a knob 24a protruding from the holding wall 21. Since it is provided, the fitting of the fitting claw means 25a and 25b can be easily and easily released by pushing the knob 24a with the fingertip.

According to the second aspect of the present invention, when food is stored in the container body 1, the food storage chamber 3 can be partitioned at an arbitrary position by the partition body 5, and the food can be stored in a divided state. it can. In particular, the food container of the present invention has a dish-shaped holding member 7 together with the heat storage material 6 in addition to the first usage mode for the purpose of keeping warm or keeping the heat storage material 6 held on the lid 2 by the dish-shaped holding member 7. The 2nd usage form which does not aim at the cold preservation | save and heat insulation which removed the cover 2 is possible.

At this time, in the case of the first usage pattern, the partition body 5 can be inserted into the food storage chamber 3 in the first posture P1, and the food storage chamber 3 can be partitioned by the short wall portion 27.

In the case of the second usage pattern, the heat storage material storage chamber 4 functions as an expansion chamber 4a that expands the food storage chamber 3, and increases the volume for storing food. Then, by inserting the partition body 5 into the food storage chamber 3 in the second posture P2, the entire food storage chamber 3 and the expansion chamber 4a can be suitably partitioned by the long wall portion 26.

It is a perspective view which shows the state which covered the container main body with the cover body regarding the food container which concerns on one Embodiment of this invention. It is a perspective view shown in the state where a container main part, a partition, and a lid were separated. It is a perspective view shown in the state which reversed the cover and isolate | separated the heat storage material and the dish-shaped holding member. (A) is a partial sectional view showing a state in which a dish-shaped holding member is fitted to the lid, (B) is a partial sectional view showing the dish-shaped holding member, and (C) is a lid in which the dish-shaped holding member is fitted. It is a fragmentary sectional view which shows the state which covered the container main body by. It is sectional drawing shown in the state which isolate | separated the container main body which inserted the partition body, and the lid body which removed the plate-shaped holding member and packing. FIG. 5 is a cross-sectional view showing a state in which a container body into which a partition body is inserted and a lid body on which a dish-like holding member is fitted are fixed to each other and the locking means is locked to the locked means. FIG. 6 is a cross-sectional view showing a state where the container body into which the partition body is inserted and the lid body from which the dish-like holding member is removed are fixed to each other and the locking means is locked to the locked means.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

As shown in FIGS. 1 to 3, the food container includes a container main body 1 and a lid body 2, and the container main body 1 includes a food storage chamber 3 having an upward opening, and the lid body 2 has a downward opening. A heat storage material storage chamber 4 having a section, a partition body 5 is inserted into the container body 1, a heat storage material 6 is stored in the heat storage material storage chamber 4 of the lid 2, and a dish-like opening is formed in the downward opening. In the state where the holding member 7 is fitted, the lid 2 covers the container body 1 so that the upward opening of the container body 1 can be freely opened and closed, and the locking means 8 provided on the lid 2 is used as the locked means 9 of the container body 1. It is configured to engage and disengage. In the case of the illustrated embodiment, the container body 1 and the lid 2 are formed in a rectangular shape that is rectangular in plan view, and the locking means 8 and the locked means 9 are provided on four sides. The body 2 may have a shape other than a rectangle, and the locking means 8 and the locked means 9 may be provided at least on two opposing sides.

The heat storage material 6 is composed of a chemical substance that stores high heat by immersing it in hot water and stores cold heat by storing it in a refrigerator or a freezer, and selects heat insulation and cold insulation according to the intended use. Can do. In the example shown in the figure, such a chemical substance is filled in a bag made of a plastic sheet, but it may be filled in a plastic cassette.

(Container body)
As shown in FIG. 5, the container body 1 constitutes a heat insulating double container formed by joining an inner container 1a and an outer container 1b with a heat insulating material 1c interposed therebetween. The inner container 1a and the outer container 1b are each formed of plastic, and with the heat insulating material 1c made of foamed resin, resin fiber or the like interposed therebetween, the inner container 1a and the outer container 1b are fitted together with the fitting portion 1d, and the It is fixed by welding means such as sound waves.

The inner container 1a forms a flat frame-like surface 12 by forming an extension wall 11 that refracts outward from the upper part of the peripheral wall 10 extending upward from the peripheral edge of the bottom wall, and the extension by extending the peripheral wall 10. A rib wall 13 projecting upward from the wall 11 is formed. Further, the extension wall 11 is extended downward to constitute the fitting portion 1d, and at least two opposite sides of the container body 1 are positioned. Then, the locked means 9 is projected by extending outward.

(Lid)
As shown in FIG.4 and FIG.5, the cover body 2 comprises the heat insulation double cover formed by couple | bonding the inner cover 2a and the outer cover 2b which interposed the heat insulating material 2c. The inner lid 2a and the outer lid 2b are each molded from plastic and fitted with a fitting portion 2d with a heat insulating material 2c made of foamed resin, resin fiber or the like interposed therebetween, and high frequency, ultrasonic waves, etc. It is fixed by the welding means.

The inner lid 2a is formed with an extension wall 16 that refracts outward through a downward groove 15 facing the rib wall 13 at a lower portion of the peripheral wall 14 extending downward from the peripheral edge of the top wall. A bearing surface 18 is formed projecting outwardly from the extension wall 16 at least on two opposite sides of the lid 2 corresponding to the locked means 9, The locking means 8 is pivotally mounted so that an annular packing 19 is provided in the downward groove 15.

(Dish-shaped holding member)
As shown in FIGS. 4 and 5, the dish-shaped holding member 7 includes a holding wall 21 having a vent hole 20 that covers the heat storage material storage chamber 4 of the lid 2, and the lid 2 from the holding wall 21. The notch part 23 is formed in a dish shape having a fitting wall 22 fitted into the peripheral wall 14 of the inner lid 2a, and a pair is formed from two opposing sides of the holding wall 21 toward the fitting wall 22. , 23 is provided between the notches 23, 23 so that a swingable fitting piece 24 is provided.

In the case of the illustrated embodiment, two fitting pieces 24 with two sets of cut portions are provided on each of the opposing fitting walls 22, and the entire dish-shaped holding member 7 is integrally formed of flexible plastic. Thus, as shown by the symbol θ in FIG. 4B, the fitting piece 24 is configured to be swingable while being bent against the shape retaining force. A knob portion 24 a that protrudes downward from 21 is extended.

As shown in FIG. 4, engagement claw means 25a and 25b which can be engaged and disengaged are provided between the fitting piece 24 and the peripheral wall 14 of the inner lid 2a. When the fitting wall 22 of the dish-shaped holding member 7 is fitted into the peripheral wall 14 of the inner lid 2a, the fitting piece 24 swings while flexing against the flexible shape retaining force, thereby fitting nail means. 25a is passed over the fitting claw means 25b, and the fitting piece 24 is restored at the same time as it gets over, and the fitting claw means 25a and 25b are locked. When removing the dish-like holding member 7, the fitting portion 24 is swung by pushing the knob 24a with a fingertip, and the engagement of the fitting claws 25a and 25b is released. The wall 22 may be extracted from the peripheral wall 14.

(Partition body)
As shown in FIG. 2, the partition body 5 is integrally formed of plastic and formed in an L-shaped cross section having a long wall portion 26 and a short wall portion 27, and connects both sides of the refracting portions of both wall portions 26 and 27. Corner wall portions 28 and 28 are provided. As shown in the figure, the outer wall width W2 of the corner wall portions 28, 28 is formed to be substantially equal to the inner wall width W1 in the short direction of the food storage chamber 3 of the container body 1, and accordingly. When the partition body 5 is inserted into the food storage chamber 3, it is preferable that the corner wall portions 28, 28 are in close contact with the inner side surface of the food storage chamber 3 (the peripheral wall 10 of the inner container 1a).

The partition 5 has a first posture P1 in which the long wall portion 26 as shown in FIGS. 5 and 6 is placed along the bottom of the food storage chamber 3, and the short wall portion 27 as shown in FIG. 3 can be inserted into the food storage chamber 3 in any posture selected from both the postures P1 and P2.

At this time, as shown in FIG. 6, when the partition body 5 is inserted into the food storage chamber 3 as the first posture P1, and the container body 1 is covered with the lid body 2 to which the dish-like holding member 7 is attached, The short wall portion 27 is formed to have a height H <b> 1 that partitions the food storage chamber 3. On the other hand, as shown in FIG. 7, when the partition body 5 is inserted into the food storage chamber 3 in the second posture P2, and the container body 1 is covered with the lid body 2 from which the dish-shaped holding member 7 is removed. The long wall portion 26 is formed to have a height H <b> 2 that partitions the food storage chamber 3 and the heat storage material storage chamber 4.

(Function)
According to said structure, when using a food container for heat insulation or cold preservation, the heat storage material 6 made into the heat insulation state or the cold insulation state is inserted in the heat storage material storage chamber 4 of the cover body 2, and the dish-shaped holding member 7 is attached. When the container body 1 is covered with the lid 2 in the mounted state, the food storage chamber 3 can be kept in a heat-retaining state or a cold-retaining state. Therefore, in the case of food that is eaten in a heated state, it can be stored in a warm state, and in the case of food that is eaten in a cooled state, it can be stored in a cold state, and it is a lunch box that is carried outdoors. Etc., and can be used practically.

After the food is stored in the food storage chamber 3, the lid 2 is put on the container body 1, and the locking means 8 is locked to the locked means 9, so that the rib wall 13 of the container body 1 is attached to the lid 2. The food storage chamber 3 is sealed by being pressed against the packing 19. That is, the locking means 8 and the locked means 9 function as clamping means that strongly pulls the lid 2 and the container body 1 together.

At this time, the stress generated by the clamp in the lid body 2 acts on the downward groove 15 in which the packing 19 is housed and the bearing means 18 that is pivotally attached to the locking means 8, all of which are provided on the inner lid 2 a. ing. That is, the outer lid 2b and the heat insulating material 2c are completely released from the stress generated by the clamp. For this reason, no strain stress acts between the inner lid 2a, the outer lid 2b, and the heat insulating material 2c, and there is no possibility of damaging the double lid structure.

Further, the stress generated by the clamp in the container body 1 acts on the rib wall 13 and the locked means 9, but these parts are all provided in the inner container 1 a. That is, the outer container 1b and the heat insulating material 1c are completely released from the stress generated by the clamp. For this reason, a strain stress does not act among the inner container 1a, the outer container 1b, and the heat insulating material 1c, and there is no possibility of damaging the double container structure.

When taking out the heat storage material 6 accommodated in the heat storage material storage chamber 4 by the dish-shaped holding member 7 for heat storage, the fitting piece 24 is swung in the state where the lid 2 is removed from the container main body 1, and the fitting is performed. The dish-like holding member 7 may be separated from the lid 2 by releasing the fitting of the claw means 25a, 25b. At this time, the fitting piece 24 has a knob 24a protruding from the holding wall 21. Since it is provided, the fitting of the fitting claw means 25a and 25b can be easily and easily released by pushing the knob 24a with the fingertip.

By the way, when food is stored in the container body 1, the food storage chamber 3 can be partitioned at an arbitrary position by the partition body 5, and the food can be stored in a divided state. In particular, as shown in FIG. 6, the food container of the present invention has a plate-like holding member 7 that holds the heat storage material 6 on the lid 2 in addition to the first usage mode for the purpose of keeping warm or keeping cold, as shown in FIG. As shown in FIG. 2, the plate-shaped holding member 7 is removed from the lid 2 together with the heat storage material 6 so as to enable a second usage pattern not intended for cold insulation and heat insulation.

At this time, in the case of the first usage pattern, as shown in FIG. 6, the partition 5 can be inserted into the food storage chamber 3 in the first posture P <b> 1 and the food storage chamber 3 can be partitioned by the short wall portion 27. is there.

In the case of the second usage pattern, as shown in FIG. 7, the heat storage material storage chamber 4 functions as an expansion chamber 4 a that expands the food storage chamber 3 and increases the volume for storing food. And if the partition body 5 is inserted in the food storage chamber 3 as the 2nd attitude | position P2, it is possible to partition the whole food storage chamber 3 and the expansion chamber 4a by the long wall part 26 suitably.

DESCRIPTION OF SYMBOLS 1 Container main body 1a Inner container 1b Outer container 1c Thermal insulation material 2 Lid 2a Inner lid 2b Outer lid 2c Thermal insulation material 3 Food storage room 4 Thermal storage material storage room 4a Expansion chamber 5 Partition body 6 Thermal storage material 7 Dish holding member 8 Locking Means 9 Locked means 10 Peripheral wall 11 Extension wall 12 Flat frame-like surface 13 Rib wall 14 Peripheral wall 15 Downward groove 16 Extension wall 17 Flat frame-like surface 18 Bearing means 19 Packing 20 Vent hole 21 Holding wall 22 Fitting wall 23 Notch 24 fitting piece 24a knob 25a, 25b fitting claw means 26 long wall 27 short wall 28 corner wall

Claims (2)

The container body (1) having a food storage chamber (3) having an upward opening and a lid (2) having a heat storage material storage chamber (4) having a downward opening, and the heat storage of the lid In the state where the heat storage material (6) is stored in the material storage chamber (4) and the dish-shaped holding member (7) is fitted into the downward opening, the upper opening of the container body (1) is formed by the lid (2). In a food container that is closably opened and closed, and the locking means (8) provided on the lid body is detachably locked to the locked means (9) of the container body.
The container body (1) constitutes a heat insulating double container formed by combining an inner container (1a) and an outer container (1b) with a heat insulating material (1c) interposed therebetween, and an upper part of the peripheral wall of the inner container (1a). A rib wall (13) projecting upward from the wall and an extension wall (11) refracting outward are formed, and the extension wall forms a flat frame-like surface (12) and is positioned at least on two opposite sides of the container body And the locking means (9) protrudes outward from the extension wall (11),
The lid (2) constitutes a heat insulating double lid formed by combining an inner lid (2a) and an outer lid (2b) with a heat insulating material (2c) interposed therebetween, and the lid (2a) has a lower part of the peripheral wall. An extension wall (16) refracting outward is formed through a downward groove (15) having a packing (19) facing the rib wall (13) of the container body, and a flat frame-like surface (17 ) And at least two opposing sides of the lid, projecting the bearing means (18) outward from the extension wall (16), and rotating the locking means (8) to the bearing means Axis is attached freely,
The dish-shaped holding member (7) includes a holding wall (21) with a ventilation hole covering the heat storage material storage chamber (4), and a peripheral wall (14) of the inner lid (2a) in the lid body from the holding wall. A fitting wall (22) that is fitted inside, a swingable fitting between a pair of cut portions (23, 23) formed from the holding wall (21) toward the fitting wall (22). A piece (24) is provided, and a tab (24a) protruding from the holding wall is formed on the fitting piece, and a fitting claw means (25a, 25b) is formed between the fitting piece and the peripheral wall of the inner lid. A food container comprising: A partition body (5) is provided that is removably inserted into the food storage chamber (3) of the container body,
The partition body (5) is formed in an L-shaped cross section having a long wall portion (26) and a short wall portion (27), and has a first posture in which the long wall portion (26) is along the bottom of the food storage chamber ( P1) and a second posture (P2) in which the short wall portion (27) is placed along the bottom of the food storage chamber, so that it can be inserted into the food storage chamber (3). ,
The short wall portion (27) is a food storage chamber (27) by the short wall portion (27) in a state where the container body (1) is covered by the lid body (2) to which the dish-shaped holding member (7) is attached. 3) has a height (H1) to partition,
The long wall portion (26) is covered with the container body (1) by the lid body (2) from which the dish-shaped holding member (7) is removed, and the long wall portion (26) is used to store the food storage chamber (3). The food container according to claim 1, wherein the food container is formed to have a height (H2) for partitioning the heat storage material storage chamber (4).

Images