JP2001153517A - Cold roll box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce transportation cost drastically by reducing the depth and thereby the installation area of a cold box so that cold roll boxes can be loaded on a track with no gap thereby enhancing the transportation efficiency of the cold roll box. SOLUTION: The cold roll box 1 comprises a containing compartment 2 of heat insulating structure having open front, and a heat insulating door 3 for closing the front opening of the containing compartment 2 wherein the containing compartment 2 comprises a rear heat insulating box 5, a front heat insulating box 6 pivoting the heat insulating door 3 to open/close freely, and an intermediate frame body 9 surrounding the upper, lower, left and right sides of the front and rear heat insulating boxes 6, 5 and the intermediate frame body 9 is arranged to slide on the outer surface of the front and rear heat insulating boxes 6, 5 back and forth.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cold roll box of a type which can be transported while keeping the inside of a storage at a low temperature by using a cooling agent.

[0002]

2. Description of the Related Art In recent years, delivery of trucks and the like in the distribution of fresh foods is described in, for example, Japanese Patent Application Laid-Open No. Hei 5-13365.
No. 7, as described in the publication, a product such as fresh food is stored in a cool box equipped with wheels, the cool box is loaded on a carrier such as a truck, and the goods are delivered at a predetermined low temperature. Has come to be adopted.

[0003] That is, a cooling agent is provided in the storage room of the cool box, and this cooling agent is frozen in advance in a freezer provided separately on a delivery base, and during the delivery by truck, the latent heat of melting of the cooling agent is stored. The temperature inside the storage room is selected to a predetermined freezing, ice temperature or refrigeration temperature zone by selectively using the cooling agent whose freezing temperature corresponds to the freezing, ice temperature or refrigeration temperature. Make it available. In general, the cold storage box used for such a cold roll box has a rectangular box shape formed by integral foaming, or a panel assembled into a rectangular box shape.

[0004] By the way, in a large-sized transport cold roll box used by a transportation company or the like for transportation such as freezing and refrigeration, when delivering fresh foods and the like from a so-called delivery base to distribution centers in various places, the cold roll box is used. Even if the storage room is full, there may be a case where the goods are not loaded in the warehouse on the reverse route, that is, the return flight from the distribution center to the distribution base. Under such a use form, the transport efficiency of the truck was not good when the cold roll box was in the shape of a rectangular box-shaped storage as described above.

[0005] In a cold roll box for store delivery used for a store in a supermarket or the like, the same problem occurs during a round trip for delivery from a central processing center to a store in a supermarket or the like, which causes a problem in transportation cost. Had become.

In order to solve this, for example, Japanese Patent Publication No.
As disclosed in JP-A-13949, a folding cold roll box is disclosed. In such a conventional cold roll box, the right front door is foldable outside the right side wall, the top wall and the bottom wall are foldable inside the rear heat insulating box, and the front part of the left side wall is provided. And the one where the left front door is extended in a flat plate shape can be folded on the already folded top wall and bottom wall, and when all of them are folded, it becomes almost L-shaped as a whole. is there.

[0007]

However, in the related art, when they are all folded, they are substantially L-shaped as a whole. Certain Tokuhei 6-13949
As shown in FIG. 3 of the publication, it cannot be loaded on a truck bed without gaps, and the transportation efficiency cannot be said to be extremely excellent.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and when loading a cold roll box on a truck, the depth can be reduced to reduce the installation area so that the cold roll box can be loaded without gaps. It is intended to improve transportation efficiency and dramatically reduce transportation costs.

[0009]

According to a first aspect of the present invention, there is provided a cold roll box comprising a storage body having a heat insulating structure opened to the front and a heat insulating door for closing the front opening of the storage body. The storage box main body includes a rear heat-insulating box, a front heat-insulating box that pivotally supports the heat-insulating door, and upper, lower, left, and right sides of the rear heat-insulating box and upper, lower, left, and right sides of the front heat-insulating box. The intermediate frame is provided so as to be slidable back and forth on the outer surfaces of the rear heat-insulating box and the front heat-insulating box.

According to a second aspect of the present invention, there is provided a cold roll box comprising a storage main body having a heat insulating structure opened to the front, and a heat insulating door closing a front opening of the storage main body. The housing body is made up of a rear heat insulating box, a front heat insulating box that pivotally supports the heat insulating door, and an intermediate frame that contacts the inside of the rear heat insulating box and the inside of the front heat insulating box. The intermediate frame is provided so as to be slidable back and forth on the inner surfaces of the rear insulation box and the front insulation box.

According to the first or second aspect of the present invention, the space for placing the cold roll box is reduced, and the transportation efficiency of the cold roll box by truck is improved.

According to a third aspect of the present invention, in the cold roll box according to the first or second aspect, a caster is provided on a lower surface of a lower wall of the front heat-insulating box and a lower surface of a lower wall of the rear heat-insulating box. Is attached.

According to the third aspect of the present invention, two casters for movement are arranged on the lower surface of the lower wall of the rear heat insulating box and the lower surface of the lower wall of the front heat insulating box, respectively. Since the heat insulation box slides easily and the cold roll box can be made compact, the installation area can be easily reduced, and the cold roll box can be rolled and moved by a caster. Can be easily loaded and unloaded onto the loading platform.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to FIGS.

FIG. 1 is a perspective view showing the appearance of a cold roll box as an embodiment of the present invention, and FIG.
FIG. 3 is a vertical sectional view taken along line Y1-Y1 in FIG. 1, FIG. 4 is a vertical sectional view taken along line Z1-Z1 in FIG. 1, and FIG. 5 is a state in which the depth of the cold roll box is reduced. 6, FIG. 6 is a vertical sectional view taken along line X2-X2 in FIG. 5, FIG. 7 is a plan sectional view taken along line Y2-Y2 in FIG. 5, and FIG. 8 is a longitudinal sectional view taken along line Z2-Z2 in FIG. is there.

As shown in FIG. 1, the cold roll box 1 is used for delivering products such as fresh foods, and the cold roll box 1 is loaded on a carrier of a delivery vehicle such as a truck with the products stored therein. The storage 2 includes a storage 2 that opens forward, and a heat insulating door 3 that opens and closes the opening of the storage 2. The heat-insulating door 3 can be opened and closed by a door handle 4.

The storage 2 has a rear heat-insulating box 5,
It is composed of a front heat-insulating box 6 and an intermediate frame 9, and initially has a form as shown in FIG.

As shown in FIG. 1 to FIG.
Has a box shape with an open front. Further, the front heat-insulating box 6 is a box-shaped one having an open rear surface, and as described above,
On the front surface, there is a heat insulating door 3 for opening and closing the opening of the storage 2. The outer dimensions of the rear heat-insulating box 5 and the front heat-insulating box 6 in the vertical direction and the width direction are substantially the same (H1 ≒ H2, W1 ≒ W in FIGS. 2 and 3).
2). The front end of the upper wall 5A of the rear heat-insulating box 5 has a protrusion 5a projecting upward, and the front end of the lower wall 5B has a protrusion 5b projecting downward. Similarly, the rear end of the upper wall 6A of the front heat-insulating box 6 has a protrusion 6a protruding upward,
The rear end of the lower wall 6B has a projection 6b projecting downward. Further, the left and right walls 5C, 5D, 6C and 6D of the left and right heat insulating box 5 and the front heat insulating box 6 have protrusions 5c, 5c, 5d and 5d extending in the front-rear direction, respectively. ,
6c, 6c, 6d, and 6d.

The intermediate frame 9 is composed of the upper wall 5A, 6A, the lower wall 5B, 6B and the left and right walls 5 of the rear heat-insulating box 5 and the front heat-insulating box 6.
It has the shape of a frame surrounding C, 5D, 6C, and 6D. An inner method (H3 and W3) in the vertical and width directions of the intermediate frame 9 is used.
In 3), the rear heat-insulating box 5 and the front heat-insulating box 6 have a small margin in the vertical dimension and widthwise outer dimension (H1, H2, W1, W2). The depth dimension of the intermediate frame 9 is about half of the depth dimension of the cold roll box 1 initially (at the time of delivery). The front end of the upper wall 9A of the intermediate frame 9 has a projection 9 projecting downward.
a at the front end of the lower wall 9B. The rear ends of the upper wall 9A and the lower wall 9B of the intermediate frame 9 have substantially L-shaped restraining members 10, 1
0 is fixed vertically symmetrically.

Further, left and right side walls 9C, 9D of the intermediate frame 9
At the upper and lower corners inside the refrigerator, the extended protrusions 5c, 5c, 5d, 5d, 6 of the rear heat-insulating box 5 and the front heat-insulating box 6 are provided.
Opposite to c, 6c, 6d, 6d, there are also grooves 9c, 9c, 9d, 9d which also extend in the front-rear direction.

First hooks (not shown) are provided at the front end and the rear end of the left and right side walls 9C and 9D of the intermediate frame 9, and the rear heat-insulating box 5 and the front heat-insulating box 6 are engaged with not-shown latches. A member is provided, and the first hook and the locking member
The rear heat-insulating box 5 and the intermediate frame 9 are further fixed, and the front heat-insulating box 6 and the intermediate frame 9 are respectively fixed. The rear heat-insulating box 5, the intermediate frame 9 and the front heat-insulating box 6 are integrally formed. Fixed.
The locking members are provided at several places (not shown) in the depth direction of the left and right walls 5C, 5D, 6C, 6D of the rear heat-insulating box 5 and the front heat-insulating box 6, and the intermediate frame 9 is provided. Can be fixed at appropriate positions in the depth direction of the rear heat-insulating box 5 and the front heat-insulating box 6.

In the interior 15, a bottom member 8 having a projection on the lower surface is provided in front of the lower wall 5 B of the rear heat-insulating box 5 and the front heat-insulating box 6.
The lower end of the rear wall 6 </ b> B is placed on a stepped portion 11 formed between the rear wall 6 </ b> B and the rear end of the lower wall 6 </ b> B. Similarly, the top member 7 having the projection on the upper surface is placed on the step 12 formed between the front of the upper wall 5A of the rear heat-insulating box 5 and the rear of the upper wall 6A of the front heat-insulating box 6. The rear end is pivotally supported on the upper rear corner of the rear heat-insulating box 5. The front portions of the bottom member 8 and the top member 7 are fixed by second hooks (not shown) provided on the inner surface of the lower wall 6B and the inner surface of the upper wall 6A of the front heat insulating box 6, respectively.

A seal member (not shown) made of soft resin is provided on the entire circumference of the inside of the front end of the rear heat-insulating box 5 and the entire inside of the rear end of the front heat-insulation box 6 so as to protect the outside air. Prevents intrusion.

The lower wall 5B of the rear insulation box 5 and the front insulation box 6
On the lower surface of the lower wall 6B, two moving casters 16 are provided.

Next, a procedure for reducing the depth of the cold roll box 1 having the above configuration will be described with reference to FIGS.

First, after removing the second hook provided on the inner surface of the upper wall 6A of the front heat insulating box 6 and then pulling down the top member 7, the top member 7 is moved to the upper rear corner of the rear heat insulating box 5. Is pivoted on the fulcrum. Similarly, after the second hook provided on the inner surface of the lower wall 6B of the front heat-insulating box 6 is removed and the bottom member 8 is rotated and pulled up, the bottom member 8 is It can be raised almost vertically with the lower corner as a fulcrum.

Next, the first hooks provided on the front and rear ends of the left and right walls 9C and 9D of the intermediate frame 9 are provided on the rear heat-insulating box 5 and the front heat-insulating box 6, respectively. Removed from the locking member
The rear heat-insulating box 5 and the front heat-insulating box 6 are gradually approached. At this time, the left and right walls 5 of the rear insulation box 5 and the front insulation box 6
Projections 5c, 5c, 5d, 5d, 6c, 6c, 6d extending in the front-rear direction are provided at upper and lower corners of C, 5D, 6C, 6D.
6d, while the left and right walls 9 of the intermediate frame 9 are provided.
At the upper and lower corners on the inner side of the boxes C and 9D, the protruding projections 5c, 5c, 5d, 5d, 6c, 6c,
Corresponding to 6d, 6d, a similarly extending groove 9
Since c, 9c, 9d, and 9d are provided, the rear heat-insulating box 5 and the front heat-insulating box 6 can move inside the intermediate frame 9 smoothly. Then, as shown in FIGS. 6 to 8, after the rear heat-insulating box 5 and the front heat-insulating box 6 are extremely close to each other, the first hook is connected to the rear heat-insulating box 5 and the front heat-insulating box 6. 5, the intermediate frame 9 has an integral form covering the upper, lower, left, and right sides, as shown in FIG. 5. At this time,
The depth dimension of the cold roll box 1 becomes about half the dimension before the depth is reduced.

Since two casters 16 for movement are arranged on the lower surface of the lower wall 5B of the rear heat-insulating box 5 and the lower wall 6B of the front heat-insulating box 6, respectively, Depth can be easily reduced. Further, the cold roll box 1 can be rolled in an integrated form as shown in FIG. 5 by the casters 16 thereafter, so that the delivery vehicle can be easily loaded and unloaded on the carrier.

Conversely, to return to the initial state, the procedure described above may be reversed.

As shown in FIG. 2, in the initial state, the projection 6a projecting above the rear end of the upper wall 6A of the front heat insulating box 6 and the front end of the upper wall 9A of the intermediate frame 9 are formed. The protruding portion 9a protruding downward abuts, and the protruding portion 6b protruding below the rear end of the lower wall 6B of the front heat insulating box 6 and the front end of the lower wall 9B of the intermediate frame 9 are disposed above the front end. The protruding protrusion 9b comes into contact with the protrusion. On the other hand, the protruding portion 5a protruding above the front end of the upper wall 5A of the rear heat-insulating box 5 comes into contact with the stopping member 10 provided at the rear end of the upper wall 9A of the intermediate frame 9, and The protruding portion 5b protruding below the rear end of the lower wall 5B of the heat insulating box 5 comes into contact with the stopping member 10 provided at the rear end of the lower wall 9B of the intermediate frame 9. Therefore, there is no further extension in the front-rear direction from this initial state, and the rear heat-insulating box 5 and the front heat-insulating box 6 do not come off from the intermediate frame 9.

A bottom member 8 having a protrusion on the lower surface is formed between the front of the lower wall 5B of the rear heat-insulating box 5 and the rear of the lower wall 6B of the front heat-insulating box 6. The top member 7, which is placed on the stepped portion 11 and has a projection on the upper surface, is similarly located in front of the upper wall 5 </ b> A of the rear insulated box 5 and the upper wall 6 </ b> A of the front insulated box 6.
The bottom part 8 and the front part of the top member 7 are placed in the interior 1 of the front heat-insulating box 6.
Since they are fixed by the second hooks (not shown) provided on the lower surface 5 and the upper surface of the inside 15 of the refrigerator, the depth is not further reduced from the initial state.

As described above, since the cold roll box 1 can be compactly reduced in depth and can be loaded on a truck without any gap, the transport efficiency of the cold roll box 1 is improved and the transport cost is drastically reduced. be able to.

The locking members corresponding to the first hooks are the left and right walls 5C, 5C of the rear heat-insulating box 5 and the front heat-insulating box 6.
D, 6C, and 6D are provided at several places in the depth direction, and the position fixed by the first hook can be appropriately set in the depth direction. Therefore, the depth dimension of the cold roll box 1 can be appropriately changed from the maximum depth dimension at the time of the initial delivery to about half the minimum depth dimension, and the following usage method is also possible. That is, when fresh foods and the like are delivered from a so-called delivery base to delivery centers in various places, if the amount stored in the cold storage 15 of the cold roll box 1 is small, the cold roll box 1 is stored in accordance with the amount. By appropriately changing the depth of the truck, the number of cold roll boxes 1 that can be loaded on the truck can be increased, and the transportation efficiency of the truck can be improved.

In the present embodiment, the case where the casters 16 are mounted for convenience of movement has been exemplified, but the present invention is not limited to this, and the casters 16 can be detached or the casters 16 are not mounted. Is also possible.

In this embodiment, the intermediate frame 9 is
It has the shape of a frame surrounding the upper wall 5A, 6A, lower wall 5B, 6B and left and right walls 5C, 5D, 6C, 6D of the rear heat-insulating box 5 and the front heat-insulating box 6. Front insulation box 6
The example in which the intermediate frame 9 is provided so as to be slidable back and forth on the outer surface of the intermediate frame 9 is not limited to this.
Are upper walls 5A, 6A of the rear heat-insulating box 5 and the front heat-insulating box 6;
The intermediate frame 9 abuts against the inner sides of the lower walls 5B, 6B and the left and right walls 5C, 5D, 6C, 6D, and slidably moves back and forth on the inner surfaces of the rear heat-insulating box 5 and the front heat-insulating box 6. Even when the cold roll box 1 is installed, the depth of the cold roll box 1 can be reduced, and the cold roll box 1 can be loaded on a truck without any gaps. Costs can be dramatically reduced.

[0036]

As described above, according to the first or second aspect of the present invention, the space for placing the cold roll box is reduced, and the transport efficiency of the cold roll box by truck is improved.

According to the third aspect of the present invention, two moving casters are provided on the lower surface of the lower wall of the rear heat insulating box and the lower surface of the lower wall of the front heat insulating box, respectively. Since the sliding of the heat insulating box is easy, the installation area can be easily reduced, and the cold roll box can be rolled and moved by the caster, so that the delivery vehicle can be easily loaded and unloaded on the carrier.

[Brief description of the drawings]

FIG. 1 is a perspective view showing the appearance of a cold roll box as an embodiment of the present invention.

FIG. 2 is a vertical sectional side view taken along line X1-X1 of FIG.

FIG. 3 is a plan sectional view taken along line Y1-Y1 of FIG. 1;

FIG. 4 is a longitudinal sectional view taken along line Z1-Z1 of FIG.

FIG. 5 is a perspective view showing a state where the depth of the cold roll box is reduced.

6 is a vertical sectional side view taken along line X2-X2 in FIG. 5;

FIG. 7 is a plan sectional view taken along line Y2-Y2 of FIG.

8 is a longitudinal sectional view taken along line Z2-Z2 in FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cold roll box 2 Storage 3 Heat insulation door 5 Rear heat insulation box 5A Upper wall of rear heat insulation box 5B Lower wall of rear heat insulation box 5C Left wall of rear heat insulation box 5D Right wall of rear heat insulation box 6 Front heat insulation Box 6A Upper wall of front insulation box 6B Lower wall of front insulation box 6C Left wall of front insulation box 6D Right wall of front insulation box 7 Top member 8 Bottom member 9 Intermediate frame 9C Left of intermediate frame Wall 9D Right wall of intermediate frame 10 Stop member 11, 12 Step 16 Casters

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 3E067 AA11 AB01 AB02 AB04 AB08 BA05A BC07A CA18 EE21 GA02 3L044 AA04 CA11 DC03 KA04

Claims (3)

[Claims] 1. A cold roll box comprising: a storage main body having a heat insulating structure opened on the front side; and a heat insulating door closing a front opening of the storage main body, wherein the storage main body includes a rear heat insulating box, A front heat insulating box that pivotally supports the heat insulating door so that it can be opened and closed, and an intermediate frame that surrounds the upper, lower, left, and right sides of the rear heat insulating box and the upper, lower, left, and right sides of the front heat insulating box. A cold roll box, which is provided so as to be able to slide back and forth on the outer surfaces of an insulating box and a front insulating box. 2. A cold roll box comprising: a storage main body having a heat insulating structure opened on the front side; and a heat insulating door closing a front opening of the storage main body, wherein the storage main body includes a rear heat insulating box, A front heat-insulating box that pivotally supports the heat-insulating door so as to be openable and closable, and an intermediate frame that contacts the inside of the rear heat-insulating box and the inside of the front heat-insulating box. A cold roll box, wherein the cold roll box is provided so as to be able to slide back and forth on the inner surfaces of the heat insulating box and the front heat insulating box. 3. The cold according to claim 1, wherein casters are mounted on the lower surface of the lower wall of the front heat insulating box and the lower surface of the lower wall of the rear heat insulating box, respectively. Roll box.