JP3774411B2 - Cover structure of cold storage container - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a lid structure of a cold storage container, and more particularly to a lid structure of a cold storage container suitable for managing articles delivered to the home such as milk or lactic acid beverage in a cold storage state.
[0002]
[Prior art]
Conventionally, milk and other lactic acid beverages such as yogurt have been partly sold from sales offices to homes.
In that case, a cold insulation container having a heat insulation structure, that is, a so-called milk box is arranged at the entrance of the purchaser, and the goods are delivered into the milk box.
[0003]
By the way, when a refrigerated product such as milk is delivered, an invoice or change may be delivered along with the product. In such a case, the delivery note and the like are managed in a cold container together with the delivered goods. In that case, if a delivery note etc. is stored together with a product such as milk, there is a possibility that it will be immersed in water, so attach these pocket members to the inside of the lid (sealed chamber side). It is generally done.
[0004]
FIG. 11 shows a lid structure of a cold storage container having such a conventional pocket member. In this cold storage container 2, in order to provide heat insulation performance, foam synthesis is performed in the container body 10 and the lid body 4. A resin heat insulating plate is contained, and a plastic pocket member 6 is attached to the inner box 7 of the lid 4.
[0005]
[Problems to be solved by the invention]
By the way, in such a lid structure of the conventional cold storage container 2, the inner box 7 and the pocket member 6 of the lid body 4 are attached to the outer box 9 by a metal screw 8. When the container is opened from the container body 10, the metal screw 8 is exposed on the outer surface, and there is a problem that the aesthetic appearance is impaired.
[0006]
In addition, when the cold insulation container 2 is no longer needed and collected, the metal screw 8 is included in the members constituting the lid 4. Therefore, when the lid 4 is recycled as plastic, the screw 8 must be removed and sorted.
In view of such a situation, the present invention is a lid structure having a pocket member suitable for managing a delivery note and the like together with a product, does not require a metal part as an attachment member, is easy to recycle, and is a screw. It is an object of the present invention to provide a lid structure for a cold storage container that does not require a complicated operation such as stopping and that can maintain a good appearance.
[0007]
[Means for Solving the Problems]
In order to achieve the above object, the lid structure of the cold insulation container according to the present invention is a cold insulation that can be opened and closed via a hinge portion at the opening of a container body having a heat insulation structure having a sealed chamber for accommodating milk or the like. A lid structure of the container,
The lid includes an outer box made of unfoamed synthetic resin, an inner box made of unfoamed synthetic resin, a heat insulating plate made of foamed synthetic resin interposed between the outer box and the inner box , A pocket member made of unfoamed synthetic resin that is detachably installed on one side of the sealed chamber side of the box ,
A pair of claws are integrally formed on one surface of the outer box on the sealed chamber side,
The inner box includes a pair of locking holes for locking the pair of claw members of the outer box, a pair of first claw members for locking the pocket member, and another pair of A second claw member is formed, and the pair of first claw members are formed continuously from an inner wall of the locking hole, and the pair of second claw members are Formed side by side on the same side different from the side on which the pair of first claw members are formed,
Further, the heat insulating plate is formed with a pair of small holes through which the claw member of the outer box is inserted,
When assembling the outer box, the inner box and the heat insulating plate,
The claw member of the outer box is locked to the locking hole formed in the inner box through the small hole formed in the heat insulating plate, thereby, the outer box, the heat insulating plate, and the Assemble the inner box integrally,
Furthermore, when attaching the pocket member to the inner box,
The three sides of the pocket member are engaged with the pair of first claw members formed on the inner box and the other pair of second claw members, and the pocket member is attached to and detached from the inner box. It is characterized by being freely locked .
[0010]
Also, the outside of the locking holes formed in said box, by one end portion of said pocket members is disposed, the locking hole of the inner box is it is preferred that the cover.
[0011]
If it is such a structure, since the nail | claw member of an outer box will not be exposed outside, aesthetics can be maintained favorable.
Furthermore, it is preferable that the locking hole formed in the inner box is formed at a position one step lower than the inner surface of the inner box on the sealed chamber side.
With such a configuration, the protruding claw member can be stored compactly.
[0012]
In addition, the pocket member is formed so as to be inclined so that the inner plane portion thereof gradually increases from the bottom toward the opening, and the end of the opening is inclined in the opposite direction so that the frontage is wide. Preferably it is.
With such a configuration, it is easy to store a delivery note or the like from the opening, and it is possible to prevent the stored items such as the delivery note from falling when the lid is closed.
[0013]
Furthermore, it is preferable that a protrusion is formed on the inner flat portion of the pocket member.
With such a configuration, it is possible to easily prevent a stored item such as an invoice from falling when the lid is closed.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings.
1 and 2 show a cold storage container for storing milk or the like to which a lid is attached according to an embodiment of the present invention. FIG. 3 is a perspective view when the lid is disassembled and viewed from the inside of the container facing up.
[0015]
The cold storage container 12 includes an outer box 14 made of unfoamed synthetic resin, an unfoamed inner box 16 that defines an inner wall of the sealed chamber 20 in which milk 15 and the like are arranged, and the outer box 14 and the inner box 16. A container body 22 having a substantially rectangular parallelepiped shape is constituted by a heat insulating plate 18 made of a synthetic foam resin interposed between the two.
On the other hand, a lid body 24 as shown in FIG.
[0016]
In order to improve the cold insulation and heat insulation in the sealed chamber 20, the lid 24 is insulated from the foamed synthetic resin on the inner side of the outer box 26 made of the unfoamed synthetic resin, like the container body 22. A plate 28 is interposed, and an inner box 30 made of unfoamed synthetic resin is disposed on the inner side. A pocket member 32 that opens in the horizontal direction when the lid 24 is closed is attached to the inner box 30 as necessary.
[0017]
The pocket member 32 is used to store a delivery note, a flyer for sales promotion, and a change, and can be detachably attached to the inner box 30. The pocket member 32 is formed of a synthetic resin, like the outer box 26 and the inner box 30.
Further, as shown in FIG. 4, the pocket member 32 constitutes a substantially rectangular box by, for example, one surface being brought into contact with the inner surface of the inner box 30. When the closed end portion on the side of the opening 32a that opens in the horizontal direction is bent downward in a U-shape, it is easy to put in and out a sheet-like delivery note. Further, the inner plane portion 32c is formed so as to be inclined on the opposite side, that is, toward the bottom surface. As shown in FIG. 5, if the projection 34 is provided on the inner surface of the pocket member 32 by ribs or embossing or the like, the stored delivery note, change, etc. are difficult to drop when the lid 24 is closed. can do.
[0018]
Below, the structure of the outer box 26 which comprises the cover body 24, the inner box 30, and the heat insulation board 28, and those assembly | attachment are demonstrated.
As shown in FIG. 3, a pair of claw members 36 are formed on the inner surface of the outer box 26 so as to protrude. In addition, small holes 38 and 38 are formed in the heat insulating plate 28 accommodated in the outer box 26 at positions corresponding to the claw members 36 and 36, respectively.
[0019]
On the other hand, a pair of locking holes 40, 40 are formed on the inner surface of the inner box 30 at positions corresponding to the claw members 36, 36 of the outer box 26. As shown in an enlarged view in FIG. 6, the locking hole 40 is formed in the bottom surface 43 of the step portion 41 formed in the inner surface 31 of the inner box 30. That is, it is formed at a position one step lower than the inner surface 31.
Further, a pair of first claw members 46 are formed so as to protrude from the edge of the locking hole 40. The pair of first claw members 46 are used for attaching and fixing the pocket member 32.
[0020]
Further, a pair of second claw members 42 and 42 bent in a substantially L shape are formed on the rotating shaft side of the inner box 30, and the pair of first and second claw members 46, 46 and 42 are formed. , 42 define a locking region of the pocket member 32 shown in FIG.
To assemble the outer box 26, the heat insulating plate 28, and the inner box 30 in the lid 24, first, the heat insulating plate 28 is accommodated on the inner surface of the outer box 26, and then the inner box 30 is attached to the inner surface of the heat insulating plate 28. When the heat insulating plate 28 is accommodated in the outer box 26, the claw members 36, 36 of the outer box 26 are inserted into the small holes 38, 38 of the heat insulating plate 28. Then, the tip portions of the claw members 36, 36 pass through the small holes 38 of the heat insulating plate 28 and the tip portions are exposed. From this state, when the inner box 30 is fitted, the tip portions of the claw members 36 and 36 protruding from the heat insulating plate 28 are inserted into the locking holes 40 of the inner box 30, and the tip portions are Locked to the bottom surface 43 of the step portion 41 forming the hole 40. Thereby, the assembly of the outer box 26, the heat insulating plate 28, and the inner box 30 is completed.
[0021]
Further, as an option of the lid 24, when attaching another pocket member 32, as shown in FIG. 4, the one end 32 b side of the pocket member 32 is connected to the second claw members 42, 42 of the inner box 30. If the other two sides are further locked to the first claw members 46, 46, the three sides of the pocket member 32 are locked, so that the pocket member 32 can be attached to the inner box 30. it can. If the pocket member 32 is unnecessary, it may be removed.
[0022]
According to the lid structure having such a structure, the inner box 30, the outer box 26, and the heat insulating plate 28 can be integrated without using a member such as a metal screw. Therefore, recycling when it becomes unnecessary becomes easy.
Further, according to the present embodiment, as shown in FIG. 7, the one end portion 32 b of the pocket member 32 is disposed outside the locking hole 40 formed in the inner box 30. The tip of the claw member 36 protruding from the hole 40 and the outer box 26 can be covered, thereby improving the aesthetic appearance.
[0023]
For reference, when the locking hole 40 of the inner box 30 is not covered with the pocket member 32 as shown in FIG. 8, the two claw members 36, 46 are provided on the surface side of the inner box 30. Since it is exposed, it looks bad when the lid is opened. In contrast, in this embodiment, as shown in FIG. 7, only one claw member 46 is exposed on the surface, so that the aesthetic appearance can be improved.
[0024]
Further, in this embodiment, as shown in FIGS. 6 and 7, the claw member 36 of the outer box 26 is locked to the bottom surface 43 of the step portion 41 that is one step lower than the flat portion of the inner box 30. The overall thickness can be kept small.
As mentioned above, although the position Example of this invention was demonstrated, this invention is not limited to the said Example at all.
[0025]
For example, in the above embodiment, a pair of claw members 36 are provided in the outer box 26, but the number of claw members 36 may be three or more. Further, the shape of the pocket member 32 is not limited to the embodiment.
Further, as shown in FIG. 9, if a protruding piece 48 is provided on the back surface of the pocket member 32 and this protruding piece 48 is opposed to the claw member 36 of the outer box 26, the outer box 26 and A detachment prevention mechanism with the inner box 30 can be configured.
[0026]
Moreover, in the said Example, although the example which mounts a cold storage container on a floor surface etc. was shown, it can replace with this and a cold storage container can also be used for wall hanging. When the cold container is used for hanging, if a hook is driven in advance on the outer wall or the like, and holes 52, 52 formed on the back surface of the container body 22 are hooked on the hook as shown in FIG. , Can stabilize the posture. In such a case, if the notches 50 and 50 are provided as marks below the back surface of the container main body 22, the mounting property can be improved. That is, the distance S between the two notches 50 is equal to the gap between the holes 52 and 52 formed above. Thus, if the interval between the holes 52 and the interval between the notches 50 are set equal, the notches 50 and 50 are arranged below the hooks on the outer wall and pushed down from the state to the wall, The hook of the wall surface and the hole 52 can be easily matched.
[0027]
【The invention's effect】
As described above, according to the lid structure in the cold storage container according to the present invention, the lid body having a heat insulation structure can be configured without using a metal screw or the like.
Further, since the pocket member can be arranged so as not to expose the locking hole of the inner box and the claw member of the outer box to the outside, the aesthetic appearance can be maintained well. Further, since the claw member is formed immediately on the side of the inner box locking hole, the mold structure is simplified and the cost is reduced. Further, if a locking hole is provided on the bottom surface of the step of the inner box, the overall thickness can be kept low.
[Brief description of the drawings]
FIG. 1 is a half sectional view of a cold storage container having a lid structure according to an embodiment of the present invention as viewed from the front side.
FIG. 2 is a side sectional view of the cold insulation container shown in FIG. 1;
FIG. 3 is an exploded perspective view of a lid according to the present embodiment.
4 is a cross-sectional view showing a structure for attaching a pocket member attached to the lid of FIG. 3. FIG.
5 is a cross-sectional view showing another example of the pocket member shown in FIG. 4. FIG.
6 is a partially enlarged perspective view of the inner box shown in FIG. 3. FIG.
FIG. 7 is a cross-sectional view of a lid structure according to an embodiment of the present invention.
FIG. 8 is a cross-sectional view of another lid structure shown in order to compare the operational effects of the lid structure according to one embodiment of the present embodiment.
FIG. 9 is a cross-sectional view of a lid structure according to another embodiment of the present invention.
FIG. 10 is a schematic rear view of a cold container according to one embodiment of the present embodiment.
FIG. 11 is a perspective view of a cold storage container having a conventional lid structure.
[Explanation of symbols]
12 Cooling container 15 Milk 20 Sealing chamber 22 Container body 24 Cover body 26 Outer box 28 Insulating plate 30 Inner box 32 Pocket member 34 Projection 36 Claw member 38 of outer box Small hole 40 Locking hole 42 of inner box Two claw members 43 Bottom surface 46 First claw member 48 of inner box Projecting piece 50 Notch

Claims (5)

It is a lid structure of a cold insulation container that is installed to be openable and closable via a hinge portion at an opening of a heat insulating container body having a sealed chamber for storing milk or the like,
The lid includes an outer box made of unfoamed synthetic resin, an inner box made of unfoamed synthetic resin, a heat insulating plate made of foamed synthetic resin interposed between the outer box and the inner box , A pocket member made of unfoamed synthetic resin that is detachably installed on one side of the sealed chamber side of the box ,
A pair of claws are integrally formed on one surface of the outer box on the sealed chamber side,
The inner box includes a pair of locking holes for locking the pair of claw members of the outer box, a pair of first claw members for locking the pocket member, and another pair of A second claw member is formed, and the pair of first claw members are formed continuously from an inner wall of the locking hole, and the pair of second claw members are Formed side by side on the same side different from the side on which the pair of first claw members are formed,
Further, the heat insulating plate is formed with a pair of small holes through which the claw member of the outer box is inserted,
When assembling the outer box, the inner box and the heat insulating plate,
The claw member of the outer box is locked to the locking hole formed in the inner box through the small hole formed in the heat insulating plate, thereby, the outer box, the heat insulating plate, and the Assemble the inner box integrally,
Furthermore, when attaching the pocket member to the inner box,
The three sides of the pocket member are engaged with the pair of first claw members formed on the inner box and the other pair of second claw members, and the pocket member is attached to and detached from the inner box. A lid structure for a cold storage container that is freely locked . Outwardly of the locking holes formed in said box, by one end portion of said pocket member is disposed, according to claim 1, characterized in that the locking hole of the inner box is covered The lid structure of the cold storage container as described in 1. The lid for a cold storage container according to claim 1 or 2 , wherein the locking hole formed in the inner box is formed at a position one step lower than the inner surface of the inner box on the sealed chamber side. Body structure. The pocket member is formed so as to be inclined so that the inner plane portion thereof gradually increases from the bottom toward the opening side, and the end of the opening portion is inclined in the opposite direction to form a wide opening. The lid structure of the cold storage container according to any one of claims 1 to 3 . The cover structure of the cold storage container according to any one of claims 1 to 4 , wherein a projection is formed on an inner plane portion of the pocket member.

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