JP3973585B2 - Refrigerator - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a cooler for carrying a moving load having wheels on the bottom surface of a heat insulating main body.
[0002]
[Prior art]
Conventionally, a refrigerator for transporting moving goods used when delivering refrigerated items such as food has been provided with wheels for movement at the four corners of the bottom of the main body of the heat insulation box to store frozen regenerators. A method of cooling an article stored in a storage chamber in the main body by the latent heat of fusion of the cold storage agent is employed (see, for example, Patent Document 1).
[0003]
[Patent Document 1]
JP-A-2002-267349 [0004]
[Problems to be solved by the invention]
Such a refrigerator is used by being loaded on the carrier's loading platform while storing articles, but has a space for storing a refrigerator that is not used in the low season when the quantity of delivered articles is small. There was a problem that the management cost would rise because it had to be secured in a distribution center.
[0005]
The present invention has been made to solve the conventional technical problem, and provides a refrigerator for transporting moving goods capable of reducing storage costs.
[0006]
[Means for Solving the Problems]
In the present invention, in the cooler for transporting moving goods provided with wheels on the bottom surface of the heat insulating main body, the main body is constituted by a plurality of heat insulating panels and each heat insulating panel is detachable, so when not using the refrigerator, Each insulation panel can be disassembled and stored. As a result, it is possible to greatly reduce the cost of storing the refrigerator or transporting the refrigerator itself when not in use.
[0007]
Further, in the present invention, since each heat insulation panel is bolted to each other, the disassembly / assembly work of each heat insulation panel is facilitated.
[0008]
In particular, in the present invention, since the recess communicating with the side surface of the main body is formed around the bolt fixing portion on the top surface of the heat insulating panel constituting the top surface of the main body, the rain water that has fallen around the bolt fixing portion on the top surface of the main body can be smoothly Can be discharged. As a result, it is possible to effectively prevent deterioration of the bolt due to rust.
[0009]
In addition to the above invention, the refrigerator of the invention of claim 2 has a curved shape at the corners of each heat insulation panel. Therefore, the impact when the vehicle collides with the carrier bed of the delivery vehicle at the time of movement is reduced and the occurrence of breakage is suppressed. It becomes possible to do.
[0010]
In addition to the above-mentioned inventions, the refrigerator of the invention of claim 3 is provided with a heat-insulating sealing material at the joint of each heat-insulating panel, so that cold air leaks between the removable heat-insulating panels constituting the main body. It can be effectively eliminated and the cooling performance can be improved.
[0011]
Since the refrigerator of the invention of claim 4 has a plurality of protrusions formed on the upper surface of the heat insulating panel constituting the bottom surface of the main body in addition to the above-described inventions, these protrusions serve as a scissors. Thereby, it becomes unnecessary to install a special kite, and the number of parts can be reduced.
[0012]
In addition to the above inventions, the refrigerator of the invention of claim 5 has a stepped shape for the joints of the respective heat insulation panels. Therefore, the joint area between the respective heat insulation panels is expanded to improve the heat insulation performance and strength. Is possible.
[0013]
Cooling box of the invention of claim 6, since a plurality of protrusions on the inner surface of the insulating panel that comprises the body side in addition to the above inventions, as in claim 7 By the projection and substantially V-shaped It is possible to create a vortex in the flow of cold air in the main body and stir to make the cooling effect uniform. Further, even if the protrusions are formed long in the horizontal direction as in the eighth aspect , the cooling air can be temporarily blocked and stirred by the protrusions, so that the cooling effect can be made uniform.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. 1 is a perspective view of a refrigerator 1 to which the present invention is applied, FIG. 2 is an exploded perspective view of the refrigerator 1, FIG. 3 is an enlarged perspective view of a lower portion of a main body 2 of the refrigerator 1 of the present invention, and FIG. 5 is an exploded perspective view of the lower part of the main body 2, and FIG.
[0015]
The refrigerator 1 according to the present invention is a moving load carrying refrigerator that is loaded on the loading platform of a delivery vehicle in order to deliver refrigerated items such as food, and a box-shaped main body 2 that constitutes a storage chamber 11 therein. The (heat insulation box) is assembled by a plurality (6 in the embodiment) of heat insulation panels 3, 4, 5, 6, 7, and 8. Each of the heat insulating panels 3 to 8 is formed in a plate shape by filling a polyurethane foam heat insulating material between the face materials, and the corners of the heat insulating panels 3 to 8 constituting the corners of the main body 2 in the assembled state. The part has a curved shape with a predetermined curvature (indicated by R in FIGS. 4 and 5). As a result, even when the main body 2 collides with a wall or another refrigerator during movement in the state of being loaded on the loading platform or when moving, the impact will be mitigated. Sex is suppressed.
[0016]
Moreover, the wheel 12 ... for a movement is attached to the four corners of the lower surface of the heat insulation panel 4 which comprises the bottom face of the main body 2. As shown in FIG. Further, a plurality of ridges 4A are integrally formed on the upper surface of the heat insulating panel 4 in the front-rear direction. The ridges 4 </ b> A... Play a role of a spider at the bottom of the storage chamber 11.
[0017]
A plurality of protrusions 5A and 8A extending vertically are shown on the inner surfaces of the heat insulating panels 5, 6, 7 and 8 constituting the left and right and front and rear side surfaces of the main body 2 (the heat insulating panels 6 and 7 are not shown). ) Are integrally formed. These protrusions 5 </ b> A and 8 </ b> A form a gap between the article housed in the storage chamber 11 and the heat insulating panels 5 to 8 to ensure the flow of cold air.
[0018]
Also, horizontal projections 5B and 8B (the heat insulation panel 6 is not shown) are integrally formed on the heat insulation panels 5, 6, and 8 constituting the left and right and rear side surfaces of the main body 2 at a position slightly below the upper end. Has been. A partition plate (not shown) is attached to each of the protrusions 5B and 8B, and a cold storage agent (not shown) is also attached to the partition plate.
[0019]
Furthermore, the heat insulation panel 7 which comprises the front side surface of the main body 2 is attached with the heat insulation door panels 7A and 7A which can be opened and closed. In addition, 7B ... is a hinge attached to the upper and lower sides of the both sides of the heat insulation panel 7. FIG.
[0020]
When assembling the heat insulating panels 3 to 8 as described above, the bolts 14 are detachably joined. At this time, the bolts 14 are inserted into both sides of the heat insulation panel 4 constituting the heat insulation panel 3 constituting the top surface of the main body 2 and inserted into the rear edge from above five places, and the upper end surfaces of the heat insulation panels 5, 6, 8. Threaded onto. In addition, the bolts 14 are inserted into both side edges of the heat insulation panel 4 constituting the bottom surface of the main body 2 and inserted into the rear edge from below five places, and screwed into the lower end surfaces of the heat insulation panels 5, 6, 8.
[0021]
Further, eight bolts 14 are inserted from the outside into the rear edges of the heat insulating panels 5 and 6 constituting the left and right side surfaces and screwed to the left and right end surfaces of the heat insulating panel 8. Moreover, the heat insulation panel 7 of the front side is fixed to the front part of the inner surface of the heat insulation panels 5 and 6 by using the hinges 7B.
[0022]
At this time, a recess 16 is formed around the fixing portion of the bolt 14 of each heat insulation panel 3, 4, 5, 6 (FIG. 5). Then, at least the recess 16 of the heat insulating panel 3 constituting the top surface of the main body 2 communicates with the side surface of the main body 2. Thereby, even when rainwater or the like falls in the recess 16, it will flow out to the side surface without collecting in the recess 16, and the risk of rusting the bolt 14 can be suppressed.
[0023]
Moreover, the junction part of each heat insulation panel (For example, the heat insulation panels 4 and 5 in FIG. 4) is made into the step shape as shown in FIG. The lowest outer end surface 21 of the heat insulation panel 5 is placed on the lower portion 22 around the upper surface of the heat insulation panel 4, and the inner end surface 23 of the heat insulation panel 5 is placed on the higher portion 24 inside the upper surface of the heat insulation panel 4. Become. Thereby, the junction area between each heat insulation panels 4 and 5 becomes large, and heat insulation performance and intensity | strength improve. The stepped shape is the same for the other heat insulating panels 3, 6, 8.
[0024]
Further, for example, a heat insulating sealing material 26 for the heat insulating panel 4 is interposed. For example, the sealing material 26 is affixed on the joint surface with the heat insulation panel 5 of the low-order part 22 and the high-order part 24 of the heat insulation panel 4 which comprises a bottom face. No adhesive is provided on the surface of the sealing material 26 on the heat insulating panel 5 side. Thereby, cold air leakage from between each heat insulation panel 4 and 5 is prevented. The sealing material 26 includes the heat insulating panel 4 and the heat insulating panel 6, the heat insulating panel 4 and the heat insulating panel 8, the heat insulating panel 5 and the heat insulating panel 8, the heat insulating panel 6 and the heat insulating panel 8, the heat insulating panel 3 and the heat insulating panels 5, 6 and 8. It is also interposed between them.
[0025]
After assembling the main body 2 in this way, a partition plate is installed on the protrusions 5B and 8B, and a frozen cold storage agent is attached. The air (cold air) in the storage chamber 11 cooled by the latent heat of fusion of the cool storage agent flows downward, and cools the articles stored in the storage chamber 11 by natural circulation.
[0026]
If a plurality of substantially V-shaped protrusions 27 as shown in FIG. 6 are integrally formed on the inner surfaces (surfaces on the storage chamber 11 side) of the heat insulating panels 5 to 8, naturally circulating cold air flows into the valleys of the protrusions 27. The vortex is swirled and the vortex is stirred. Further, even when a plurality of horizontal projections 28 are integrally formed as shown in FIG. 7, the cold air is blocked by the projections 28, and a turbulent flow is formed. Thereby, in any case, the temperature in the storage chamber 11 can be made uniform.
[0027]
Next, when the cooler 1 is not used, or when transporting the cooler 1 itself, the bolts 14 are loosened and removed, the heat insulating panels 3 to 8 are removed, and the main body 2 is disassembled ( It is good to remove the wheel 12). At this time, since each heat insulation panel 3-8 is flat form, storage space becomes very small by stacking. Thereby, the cost for storage and transportation can be greatly reduced.
[0028]
【The invention's effect】
As described in detail above, according to the present invention, in the cooler for transporting moving goods provided with wheels on the bottom surface of the heat-insulating body, the body is composed of a plurality of heat-insulating panels, and each heat-insulating panel can be attached and detached. When the refrigerator is not used, each heat insulation panel can be disassembled and stored. As a result, it is possible to greatly reduce the cost of storing the refrigerator or transporting the refrigerator itself when not in use.
[0029]
Further, according to the present invention, since the respective heat insulation panels are bolted to each other, the disassembly / assembly work of each heat insulation panel is facilitated.
[0030]
In particular, according to the present invention, a recess communicating with the side surface of the main body is formed around the bolt fixing portion on the upper surface of the heat insulating panel constituting the main body top surface. It becomes possible to discharge to the side smoothly. As a result, it is possible to effectively prevent deterioration of the bolt due to rust.
[0031]
According to the invention of claim 2, in addition to the above-mentioned invention , the corners of each heat insulation panel have a curved shape, so that the impact when colliding with the carrier bed of the delivery vehicle during movement is alleviated and the occurrence of breakage is suppressed. It becomes possible.
[0032]
According to the invention of claim 3, in addition to the above inventions, since a heat insulating sealing material is interposed at the joint portion of each heat insulating panel, it is effective for leakage of cold air between the removable heat insulating panels constituting the main body. Therefore, it is possible to improve the cooling performance.
[0033]
According to the invention of claim 4, in addition to the above inventions, a plurality of protrusions are formed on the upper surface of the heat insulating panel constituting the bottom surface of the main body, so that these protrusions play a role of a scissors. Thereby, it becomes unnecessary to install a special kite, and the number of parts can be reduced.
[0034]
According to the invention of claim 5, in addition to the above inventions, since the joint portion of each heat insulation panel has a stepped shape, it is possible to expand the joint area between the heat insulation panels and improve the heat insulation performance and strength. It becomes possible.
[0035]
According to the invention of claim 6, since a plurality of protrusions on the inner surface of the insulating panel that comprises the body side directed to the above invention, as claimed in claim 7 by the projection and substantially V-shaped, It is possible to create a vortex in the flow of cool air in the body and stir it to make the cooling effect uniform. Further, even if the protrusions are formed long in the horizontal direction as in the eighth aspect , the cooling air can be temporarily blocked and stirred by the protrusions, so that the cooling effect can be made uniform.
[Brief description of the drawings]
FIG. 1 is a perspective view of a refrigerator to which the present invention is applied.
FIG. 2 is a perspective view of a state in which the refrigerator of FIG. 1 is disassembled.
FIG. 3 is an enlarged perspective view of a lower part of the main body of the refrigerator of FIG.
4 is an exploded perspective view of the lower part of the main body of the refrigerator of FIG. 1. FIG.
FIG. 5 is an enlarged perspective view of the upper part of the main body of the refrigerator shown in FIG. 1;
FIG. 6 is an enlarged view of an inner surface of a heat insulating panel constituting a side surface of a main body of a refrigerator according to another embodiment of the present invention.
FIG. 7 is an enlarged view of the inner surface of the heat insulating panel constituting the side surface of the main body of the refrigerator according to another embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Cooling box 2 Main body 3, 4, 5, 6, 7, 8 Thermal insulation panel 4A Projection 11 Storage chamber 12 Wheel 14 Bolt 16 Recess 21 Outer end face 22 Low level part 23 Inner end face 24 High level part 26 Sealing material 27, 28 Protrusion

Claims (8)

It is a refrigerator for transporting moving goods equipped with wheels on the bottom surface of the heat insulating body,
The main body is composed of a plurality of heat insulating panels, and each heat insulating panel is bolted to each other so that each heat insulating panel can be attached and detached, and around the bolt fixing portion on the upper surface of the heat insulating panel constituting the main body top surface. A refrigerator having a recess communicating with the side surface of the main body . The corner of each said heat insulation panel was made into the curved shape, The refrigerator of Claim 1 characterized by the above-mentioned . The cooler according to claim 1 or 2 , wherein a heat-insulating sealing material is interposed at a joint portion of each heat insulating panel . The cooler according to claim 1, 2 or 3 , wherein a plurality of protrusions are formed on the upper surface of the heat insulating panel constituting the bottom surface of the main body . The junction part of each said heat insulation panel was made into the stepped shape, The refrigerator of Claim 1, Claim 2, Claim 3 or Claim 4 . The cooler according to claim 1, 2, 3, 4, or 5 , wherein a plurality of protrusions are formed on an inner surface of the heat insulating panel constituting the side surface of the main body . The refrigerator according to claim 6 , wherein the protrusion has a substantially V shape . The refrigerator according to claim 6 , wherein the protrusion is long in the horizontal direction .

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