JP3874239B2 - Cold storage container - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a cold storage container, and more particularly to a cold storage container suitable for precooling and shipping of flowers such as rape blossoms, vegetables such as carrots, and other items requiring cold storage.
[0002]
[Prior art and problems to be solved by the invention]
Generally, when shipping or transporting rape blossoms and other raw vegetables and fruits such as buds, carrots, carrots, lettuce, spinach, broccoli, etc. In this state, vacuum cooling or differential pressure cooling is performed, and the cold state is maintained.
As the cold storage container used for the above-mentioned use, there are known ones described in Japanese Patent Publication No. 8-18625 and Japanese Utility Model Publication No. 63-616.
[0003]
These cold storage containers are provided with a foam resin container body and a lid, and by providing a ventilation path (opening) on the joint surface between the body and the lid, cold air can be introduced into the container during vacuum precooling. It is a feature.
Further, since a ventilation path is provided on the joint surface, it can be used without requiring re-loading of containers as described in “Means for Solving Problems” of Japanese Utility Model Publication No. 63-616. Is.
[0004]
However, since an air passage is provided on the joint surface, it is possible to solve the problem that outside air enters through the air passage during transportation and storage after vacuum precooling, resulting in an increase in the temperature of the contents. There wasn't.
Therefore, in the present invention, even if outside air enters through the ventilation path during transportation and storage after the vacuum precooling, the outside air is cooled in the cold storage material storage chamber, and is then stored so that it can enter the inside of the container. The present invention was invented so as to provide a cold container that does not cause an increase in the temperature of an object.
[0005]
[Means for Solving the Problems]
The cold storage container according to the present invention that can solve the above-mentioned problems is composed of a synthetic resin container main body and a lid, and the lid is provided with a cold storage material storage chamber and a cold storage material storage chamber. An auxiliary lid that can be closed is combined, and an air passage is formed between the auxiliary lid and the lid so as to communicate from the outside to the cool storage material storage chamber. The vent is configured to fit the auxiliary lid to the lid. In this state, a part of the outer peripheral surface of the auxiliary lid is realized by a recessed groove cut out so as not to come into contact with the lid body, and the cold storage material storage chamber is formed to communicate with the inside of the container. The lid is provided so as to be slidable with respect to the lid, and a slide fitting mechanism capable of selecting a state in which the lid cannot be detached from the lid and a state in which the lid can be detached depending on the slide position is provided. As the slide fitting mechanism, the lid Has a fitting hole to which the auxiliary lid fits, and has a slide step, and at least part of the periphery of the fitting hole is formed with a recess and a protrusion, and the protrusion is an auxiliary It is thinner than the lid thickness and protrudes at the upper end, and the auxiliary lid has at least part of the peripheral part formed with a convex part and a concave part that can be fitted in correspondence with the concave part and convex part of the lid body. At one stop position of the slide of the auxiliary lid that slides in the hole, the convex portion of the auxiliary lid is formed at a position slightly lower than the upper end so as to be located directly below the convex portion of the lid body, and above the auxiliary lid. In the other stop position of the slide of the auxiliary lid that slides in the fitting hole, the auxiliary lid convex and concave portions and the lid concave and convex portions are uneven. The auxiliary lid will move upward from the lid. It is characterized in that a detachable state.
[0006]
According to the cold storage container of the present invention having the above-described configuration, even if outside air enters from the air passage between the auxiliary lid and the lid body during transportation and storage after the vacuum precooling, the outside air is cooled in the regenerator storage chamber that communicates with the air passage Therefore, since the outside air after cooling enters the inside of the container, the problem of causing the temperature rise of the contents is solved.
Further , the auxiliary lid is slidable with respect to the lid body , and it is possible to select a state in which the auxiliary lid can be removed from the lid body and a state in which the auxiliary lid can be detached from the lid body depending on the slide position. Accordingly, there is an advantage that the fitting or removal of the auxiliary lid can be selected very easily and the use of the auxiliary lid can be made convenient.
[0008]
According to the invention of claim 2 which is dependent on claim 1 in of al, the container main body, and characterized in that the lid and the auxiliary lid is made of a synthetic resin foam, the overall heat insulating effect as cold container It is possible to provide a device suitable for maintaining the above.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Next, embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 shows a cross-sectional view of a state in which a lid 20 is fitted and attached to a container body 10, and an auxiliary lid 30 is fitted in a fitting hole 21 formed in the upper surface of the lid 20. . An air passage 40 communicating with the outside is formed between the lid 20 and the auxiliary lid 30, and the air passage 40 is formed so as to communicate with the cold storage material accommodation chamber 22 formed in the lid 20. Yes. The auxiliary lid 30 closes the cold storage material accommodation chamber 22. The regenerator storage chamber 22 communicates with the container interior 11 by forming an appropriate number of open portions 23 on the lower side. In the figure, reference numeral 50 denotes a cold storage material.
[0010]
According to the cold storage container of the present invention by way of the above example, even if the outside air enters through the air passage 40 between the auxiliary lid 30 and the lid body 20 during the transportation and storage after the vacuum precooling, the outside air communicates with the air passage 40. Since cooling is performed in the storage chamber 22, since the outside air after cooling enters the inside 11 of the container from the lower open portion 23 of the regenerator storage chamber 22, there is a problem in that the temperature of the stored item increases. Will be resolved.
Next, regarding the combination of the auxiliary lid 30 with respect to the lid 20, the perspective view of FIG. 2 and the enlarged cross-sectional views of FIGS. 3 and 4 shown for easy understanding of the mutual relationship, the auxiliary lid 30 of FIG. 5, and the auxiliary lid This will be described with reference to the plan views of FIGS. 6 and 7 showing the 30 slide positions.
[0011]
First, a slide step 24 is formed below the fitting hole 21 of the lid 20, and the auxiliary lid 30 fitted in the fitting hole 21 comes into surface contact with the slide step 24 and slides. It is possible.
And the recessed part 25 and the convex part 26 are alternately formed in the long side which opposes among the surrounding parts of the fitting hole 21 in the cover body 20, and the convex part 26 is formed thinner than the thickness of the auxiliary | assistant cover 30. And protrudes inward at the upper end of the fitting hole 21. Auxiliary The lid 30 is formed with projections 35 and the recesses 3 6 corresponding with the recess 25 and the protrusion 26 of the lid 20 on the long sides facing each other. The convex portion 35 of the auxiliary lid 30 is formed at a position slightly lower than the upper end so that the auxiliary lid 30 can be positioned just below the convex portion 26 of the lid body 20 by sliding of the auxiliary lid 30.
[0012]
Therefore, as the position of the auxiliary lid 30, even if the auxiliary lid 30 is to be detached from the lid body 20 in the slide position in which the convex portion 35 is located directly below the convex portion 26 of the lid body 20, The protrusion 35 is located directly below, and the auxiliary lid 30 is prevented from being detached upward (see FIG. 3), and the fitting state of the auxiliary lid 30 can be fixed. A plan view of this state is shown in FIG.
In addition, when the auxiliary lid 30 is slid leftward from the state of FIG. 6 to the state of FIG. 7, the concave portion 25 and the convex portion 26 of the lid 20 and the convex portion 35 and the concave portion 36 of the auxiliary lid are respectively uneven. (See FIG. 4), the auxiliary lid 30 can be detached from the lid 20 upward and can be removed.
[0013]
By changing the slide position of the auxiliary lid 30 by such a slide fitting mechanism of the auxiliary lid 30, a state in which the auxiliary lid 30 cannot be detached from the lid body 20 and a state in which the auxiliary lid 30 can be detached from the lid body 20 are obtained. It can be freely selected, and the cool storage material 50 can be easily put in and out of the lid body 20. In particular, as shown in the figure, if the finger insertion notch 27 is formed on the short side of the fitting hole 21, the above-described auxiliary lid 30 can be easily slid, which is convenient.
[0014]
In order to maintain the heat insulation effect, the container body 10, the lid body 20, and the auxiliary lid 30 are preferably formed of a synthetic resin foam. For example, a co-polymer mainly composed of polystyrene resin and styrene is used. Styrenic resin foams such as polymers, polyolefin resin foams, polyvinyl chloride resin foams and other synthetic resin foams can be used, and in particular, a non-foamed reinforcing skin layer is provided on the surface of the foam. You can also
[0015]
【The invention's effect】
As described above, according to the present invention, the following effects can be exhibited.
(1) Even if outside air enters during transportation and storage, it cools in the regenerator storage chamber and then enters the inside of the container.
(2) With the auxiliary lid slide fitting mechanism with respect to the lid body, it is possible to easily switch between the auxiliary lid fitting and fixing state and the auxiliary lid removing state, which stabilizes the auxiliary lid fitting state. The auxiliary lid is easy to attach and detach, and it is convenient for putting in and out the cold storage material.
[Brief description of the drawings]
FIG. 1 is an overall cross-sectional view.
FIG. 2 is a perspective view showing a lid and an auxiliary lid.
FIG. 3 is an enlarged cross-sectional view showing a state in which the auxiliary lid cannot be removed.
FIG. 4 is an enlarged cross-sectional view showing a state in which the auxiliary lid can be detached.
5 is a bottom view of the auxiliary lid.
FIG. 6 is a plan view of a state in which the auxiliary lid cannot be removed.
FIG. 7 is a plan view of a state in which the auxiliary lid can be detached.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Container main body 11 Container inside 20 Lid | cover 21 Fitting hole 22 Cold storage material accommodation chamber 23 Opening part 25 Concave part 26 Convex part 30 Auxiliary lid 35 Convex part 36 Concave part 40 Ventilation path 50 Cold storage material

Claims (2)

It consists of a container body and a lid made of synthetic resin, and the lid has a cold storage material storage chamber and an auxiliary lid that can close the cold storage material storage chamber. Is formed with a ventilation path that leads from the outside to the regenerator housing chamber, and in the state where the auxiliary lid is fitted to the lid body, a part of the outer peripheral surface of the auxiliary lid does not contact the lid body. The cold storage chamber is formed so as to communicate with the inside of the container,
The auxiliary lid is provided so as to be slidable with respect to the lid, and a slide fitting mechanism capable of selecting a state that cannot be detached from the lid and a state that can be detached from the lid depending on the slide position is provided. Have the mutual body,
As the slide fitting mechanism, the lid body has a fitting hole into which the auxiliary lid is fitted, has a slide step, and has a concave portion and a convex portion at least in a part around the fitting hole. A convex portion that is thinner than the thickness of the auxiliary lid and protrudes at the upper end, and the auxiliary lid can be fitted to at least a part of the peripheral portion corresponding to the concave portion and convex portion of the lid, and At one stop position of the slide of the auxiliary lid that is formed with a recess and slides in the fitting hole, the convex portion of the auxiliary lid is slightly lower than the upper end so that it is located directly below the convex portion of the lid body. In the other stop position of the slide of the auxiliary lid which is formed and is prevented from being detached, and the auxiliary lid is prevented from being detached upward, the convex portion and the concave portion of the auxiliary lid and the lid body The concave and convex parts of the material should match the uneven shape. Cold container which becomes the auxiliary lid upwards, characterized in that the ready disengagement from the lid body.   The cold storage container according to claim 1, wherein the container main body, the lid, and the auxiliary lid are made of a synthetic resin foam.

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