JP2002114087A - Insulated van - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an insulated van capable of minimizing temperature rise of a cargo room by preventing internal penetration of outside air when opening a rear wall part of a box body for cold insulation. SOLUTION: In this insulated van, the cargo room 7 is formed in an interior of the box body 1 for cold insulation comprising a front wall part 2, the rear wall part 3, right and left side wall parts 4, a floor wall part 5, and a ceiling wall part 6, the rear wall part 3 can be freely opened, and a cold air supply opening 10a and a suction opening 10b of a refrigerator 10 are provided in an upper front part of the cargo room 7. It is characterized by that a means 12 forming an air curtain so as to block penetration of the outside air into the cargo room 7 when the rear part 3 is opened is provided in the cargo room 7 in a rear end part of the ceiling wall part 6.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001] The present invention relates to a refrigerator car for transporting fish, meat, dairy products, vegetables and the like at a constant temperature. In addition, this cold storage vehicle shall mean a freezer vehicle, a refrigerator vehicle, or a refrigerator vehicle.

[0002]

2. Description of the Related Art An insulated car is provided with a box for cooling, comprising a front wall, a rear wall, left and right side walls, a floor wall and a ceiling wall.
Packed fish, meat, dairy products,
Transported foods such as vegetables are stored from the opening and closing doors on the rear wall. A cool air outlet and a suction port of the refrigerator are provided above the front part of the luggage compartment, and cool food from the outlet is circulated in the luggage compartment and returned to the suction port to keep the transported food at a constant temperature. It has become.

[0003]

In a conventional insulated car, when the door on the rear wall is opened when loading or unloading luggage, outside air invades and the temperature of the luggage compartment rises. There is a problem that the coolness of the luggage stored at the rear end of the vehicle is impaired.

Accordingly, the present invention has recently been developed for HACCP (Hazard Aanalysis and Critica) related to the transportation of frozen foods.
l Considering the necessity of setting the standard for the Control Point (Hazard Analysis Important Control Point), it is possible to prevent the intrusion of outside air when the rear wall is opened, and to keep the luggage compartment temperature from rising as much as possible. The purpose is to provide a car. Another object of the present invention is to provide an insulated car capable of equalizing the temperature in the luggage compartment.

[0005]

The invention according to claim 1 is
A luggage compartment 7 is formed inside a cool box 1 comprising a front wall 2, a rear wall 3, left and right side walls 4, a floor wall 5, and a ceiling wall 6, and the rear wall 3 is made openable and closable. In a cool car having a cool air outlet 10a and a suction port 10b of the refrigerator 10 provided above the front part of the luggage compartment 7, the luggage compartment 7 is provided at the rear end of the ceiling wall 6 and when the rear wall 3 is opened. From the opening O to the luggage room 7
It is characterized in that a means 12 for forming the air curtain 11 is provided so as to prevent invasion of outside air into the inside.

According to a second aspect of the present invention, a luggage compartment 7 is formed inside a cool box 1 comprising a front wall 2, a rear wall 3, left and right side walls 4, a floor wall 5 and a ceiling wall 6. At the same time, the rear wall 3 is made openable and closable, and the cool air-conditioned vehicle provided with the cool air outlet 10a and the suction port 10b of the refrigerator 10 above the front of the luggage compartment 7 has the luggage compartment 7 with At the rear end, a curtain curtain 13 for preventing outside air from entering the luggage compartment 7 from the opening O when the rear wall 3 is opened is provided vertically.

According to a third aspect of the present invention, a luggage compartment 7 is formed inside a cool box 1 comprising a front wall 2, a rear wall 3, left and right side walls 4, a floor wall 5, and a ceiling wall 6. At the same time, the rear wall 3 is made openable and closable, and the cool air-conditioned vehicle provided with the cool air outlet 10a and the suction port 10b of the refrigerator 10 above the front of the luggage compartment 7 has the luggage compartment 7 with Means 12 for forming an air curtain 11 at the rear end so as to prevent outside air from entering the luggage compartment 7 from the opening O when the rear wall 3 is opened.
And a curtain 13 of a noren type is vertically provided inside the air curtain forming means 12.

According to a fourth aspect of the present invention, in the insulated car according to any one of the first to third aspects, the cool air a flowing out of the cool air outlet 10a is provided in the ceiling wall portion 6 of the luggage compartment 7 at an intermediate portion in the longitudinal direction of the box body. A fan 15 that blows air to the rear in the luggage compartment 7.

According to a fifth aspect of the present invention, in the insulated vehicle according to the fourth aspect, the curtain 1 is provided on the ceiling wall portion 6 at a position on the rear end side of the ceiling wall portion inwardly of the curtain curtain type curtain 13.
It is characterized in that another noren curtain 14 shorter than 3 is erected.

According to a sixth aspect of the present invention, in the insulated vehicle according to any one of the first to fifth aspects, temperature sensors S1 to S5 are provided at required positions on the front, rear and middle sides of the luggage compartment 7, respectively. It is characterized by becoming.

According to a seventh aspect of the present invention, in the insulated vehicle according to any one of the first to sixth aspects, a corner panel 16 for filling the corner k is attached to the corner K of the luggage compartment 7. .

According to an eighth aspect of the present invention, there is provided the cold storage vehicle according to any one of the first to seventh aspects, wherein a cylindrical rubber mounting frame 21 extending vertically and vertically is provided on the front wall 2 of the luggage compartment 7. In arranging a plurality of car wheel cushioning members 20 each formed of a rubber 22 per car wheel attached to the car wheel 21 at required intervals in the left-right direction, the upper end of the cylindrical rubber mounting frame 21 of each car wheel cushioning member 20 is inclined. A cover material 25 that cuts and covers the hollow portion 24 of the cylindrical rubber mounting frame 21 along the oblique cut surface 23.
Is attached.

According to a ninth aspect of the present invention, in the insulated vehicle according to any one of the first to eighth aspects, the front wall portion 2, the rear wall portion 3, the left and right side wall portions 4, the floor wall portion 5, It is characterized in that each wall of the ceiling wall 6 is subjected to an antibacterial treatment.

[0014]

FIG. 1 is a perspective view of an external appearance of an insulated vehicle according to the present invention as viewed obliquely from behind, FIG. 2A is a horizontal vertical sectional view of the insulated vehicle, and FIG. FIG. 2B is a cross-sectional view along the X-ray, and FIG. This cold storage vehicle is equipped with a cold storage box 1 on a vehicle body 8. The cold storage box 1 includes a front wall 2, a rear wall 3, left and right side walls 4, 4.
4, a floor wall portion 5 and a ceiling wall portion 6, and a luggage compartment 7 is formed in the cool box 1. The rear wall portion 3 includes a pair of double-sided doors 3a, 3a. The door 3a is opened to carry out and out of the luggage (transportable food) to the luggage compartment 7, that is, to handle the luggage.

[0015] As shown in FIG.
A refrigerator housing 9 swelling toward the driver's cab 8a is formed at the upper part of the front wall portion 2 of the refrigerator, and a refrigerator 10 (exactly an evaporator, but hereinafter a refrigerator) The refrigerator 10 has a cool air outlet 10a at the front and a suction port 10b at both sides.

As can be seen from FIGS. 2A and 2B, the luggage compartment 7 in the cool box 1 has a rear wall portion at the rear end of the ceiling wall portion 4 when the door 3a is opened. 3 opening O (FIG. 3)
A means 12 for forming an air curtain 11 is provided so as to prevent outside air from entering the luggage compartment 7 from the outside. The air curtain forming means 12 is composed of, for example, five cross slope fans 12a arranged side by side as shown in FIG. 2A, and is blown out from the cool air outlet 10a of the refrigerator 10. Figure 3
As shown by the dotted line, cool air is blown downward from the rear end of the ceiling wall 4 to form the air curtain 11. The air curtain forming means 12 includes an opening / closing door 3a.
It is configured to operate in conjunction with the opening operation of.

The air curtain forming means 12 includes:
The evaporator is not limited to the one shown in this embodiment. For example, an evaporator may be installed at the rear end of the ceiling wall 4 and the cool air may be directly blown out from the cool air outlet of the evaporator.

As shown in FIGS. 2A and 2B, the rear end of the luggage compartment 7 is provided inside the air curtain forming means 12 through the opening O when the door 3a is opened. A curtain 13 of a curtain type which prevents outside air from entering the luggage compartment 7 is vertically provided. Another curtain which is shorter in length than the curtain 13 is suspended from the curtain 13 at the rear end side of the ceiling wall inwardly. Each of the curtains 13 and 14 is made of a material that is flexible and impermeable to air, such as a nylon sheet.

As shown in FIGS. 2 (A) and 2 (B), the ceiling wall 4 of the luggage compartment 7 is provided with a cold air outlet 10a of the refrigerator 10 at an intermediate portion in the longitudinal direction of the box 1 for cooling. A fan 15 that blows out the cool air a to the rear in the luggage compartment 7 is provided. As can be seen from FIG. 2A, two fans 15 are provided on both left and right sides.

Therefore, as can be seen from FIG. 2B, the cool air a which is blown horizontally to the rear of the luggage compartment 7 from the cool air outlet 10a of the refrigerator 10 above the front of the luggage compartment 7
When the length of the cool box 1 is considerably long, it cannot reach the rear of the luggage compartment 7 and returns to the front side of the luggage compartment 7 in a state of making a U-turn without momentum in the middle. Although there is a tendency, since the blower fan 15 is installed in the luggage compartment 7 in the cold storage box 1 at an intermediate portion in the box longitudinal direction,
The cool air a from the cool air outlet 10a is pushed by the fan 15 to increase the momentum, is blown to the rear end side of the luggage compartment 7, and hits the curtain-type curtain 13 on the rear end side as shown in FIG. In the meantime, the flow changes its direction to the front, flows along the floor wall 5, moves upward from the front wall 2, is sucked into the suction port 10b of the refrigerator 10, and cool air is blown again. It is blown out from the outlet 10a and circulates in the luggage compartment 7.

As described above, the cool air outlet 10 of the refrigerator 10
The cool air a blown out from the a circulates along the path shown by the arrow in FIG. 2B and circulates uniformly throughout the luggage compartment 7 while causing a convection phenomenon. The temperature inside the chamber 7 is kept uniform, and the luggage stored in the luggage room 7, that is, the transported food, can be uniformly and uniformly kept cool.

Further, when the opening / closing door 3a of the rear wall 3 is opened for taking out / loading of the luggage in the luggage compartment 7, outside air actively enters through the opening O of the rear wall 3 in the conventional box. However, in this cool box 1, the luggage compartment 7 is provided with an air curtain forming means 12 at the rear end of the ceiling wall.
Since the air curtain 11 is formed at the rear end of the luggage compartment 7 with the opening of the door 3a, as shown in FIG.
To prevent outside air from entering the interior of the luggage compartment 7 from the
Internal temperature rise can be minimized.

Further, since a curtain 13 of a curtain type is suspended from the inside of the air curtain forming means 12, the opening / closing door 3 is provided.
When the air curtain 1a is opened, the curtain 13 of this curtain and the air curtain 1 formed by the air curtain forming means 12 are used.
The opening O is provided by the two types of curtains 11 and 12 of FIG.
Thus, the intrusion of outside air into the luggage compartment 7 from above can be effectively prevented, and the temperature rise in the luggage compartment 7 can be more effectively suppressed.

A short curtain 14 which is provided at a position appropriately inwardly separated from the curtain 13 at the rear end of the ceiling wall is blown from the front in the luggage compartment 7 from the front. If the incoming air a directly hits the rear curtain curtain 13, the curtain curtain 13 will open outward due to the pressure of the air when the door 3 a is opened. A short curtain with a short curtain 14 is provided on the front side of the curtain 13 with a curtain.
As shown in FIG. 2B, the direction of the air blown from the front side of the luggage compartment 7 is changed obliquely downward by the short curtain, and the rear curtain 13 is moved outward. Can be prevented from opening to the outside, thereby effectively preventing the invasion of outside air.

As shown in FIG. 2B, temperature sensors S1, S2, S3, S4, and S5 are provided at required positions on the front, rear, and middle sides of the luggage compartment 7, respectively. The temperature sensors S1 to S5 record the temperatures at various points inside the luggage compartment 7 during the transportation of food. This is for performing harm analysis on food using the temperature record in the luggage compartment 7 as an important control point so as to correspond to HACCP (hazard analysis important control point).

The following Table 1 shows the rear wall 3 of the box 1 for keeping cool.
3 shows the results of testing the temperature change state of the luggage compartment 7 when the air curtain 11 is used when the opening / closing door 3a is opened and when it is not used.

[0027]

[Table 1]

Looking at the above test results, when the open / close door 3a is opened for 10 minutes as in tests 3 and 4, for example, when the air curtain 11 is not used (test 3), the temperature rise in the luggage compartment 7 is increased. It takes 72 minutes to return to the initial temperature (-18.5 ° C) in the luggage compartment 7 at 13.0 ° C, but using the air curtain 11 (Test 4)
The rise temperature in the luggage compartment 7 is 4.5 ° C., 8.5 ° C. lower than when the air curtain 11 is not used, and the time required to return to the initial temperature (−18.5 ° C.) is 55 minutes, This is 17 minutes shorter than when the air curtain 11 is not used. Thus, the outside air temperature (A) and the temperature rise in the baggage compartment 7 (C)
(A)-(C) are larger in the case where the air curtain 11 is used (test 4) than in the case where the air curtain 11 is not used (test 3), and the temperature rise (C) in the luggage compartment 7 Between the temperature and the initial temperature (B) in the baggage compartment 7, (C)-(B)
Is smaller when the air curtain 11 is used (Test 4) than when it is not used (Test 3). From this, it can be understood that the use of the air curtain 11 when the opening / closing door 3a is opened prevents invasion of outside air and suppresses the temperature rise in the luggage compartment 7 as much as possible.

FIGS. 4A and 4B show the corner panel 16 attached to the corner K of the luggage compartment 7, wherein FIG. 4A is an enlarged cross-sectional view of the cool box 1 and FIG. Box 1
Is a further enlargement. This corner face material 1
Numeral 6 is bent and extended so as to form a predetermined inclination angle α (= 135 °) from the both side edges of the plate-shaped surface material body 16a and the inner surfaces of the surface material body 16a from both side edges. hand,
Wall surfaces 4a, 6a orthogonal to each other at corner portion K
(Or 4a, 5a), the mounting plate 16b,
16b, and is formed by bending a stainless steel plate.

In mounting the corner panel 16, as can be seen from FIG.
By contacting the two mounting plate portions 16b, 16b with the mutually perpendicular wall surfaces 4a, 6a (or 4a, 5a) of the corner portion K, the face material main body 16a is positioned so as to fill the corner portion k of the corner portion K. Therefore, the mounting plate portions 16b, 16b may be screwed to the wall surfaces 4a, 6a, respectively. At this time, the outer surface of the face material body 16a (the surface inside the corner K) and the wall surfaces 4a, 6a (or 4a,
5a) is 45 °.

As shown in FIG. 4B, the corner surface material 16 attached to the corner K of the wall surface 4a of each of the left and right side wall portions 4 and the wall surface 5a of the floor wall portion 5 has one of the mounting surfaces. The plate portion 16b is formed integrally with the interior panel member 17 of the floor wall portion 5. Here, one of the mounting plate portions 16b of the corner surface material 16 is formed integrally with the interior panel material 17 of the floor wall portion 5, but one of the mounting plate portions 16b of the corner portion K or both of the mounting plate portions 16b are formed. , 16b may be formed integrally with the interior panel material (not shown) of the left and right side wall portions 4 and the interior panel material (not shown) of the ceiling wall portion 6.

The corner panel 16 as described above is attached to the luggage compartment 7.
By attaching to the corner K of the corner K, it is difficult for dust to collect on the corner k of the corner K, and it is easy to clean even if dust accumulates, and the inside of the luggage compartment 7 can be always kept in a sanitary state.

As shown in FIG. 4A, in the luggage compartment 7, stainless steel scrapes 18 having a circular arc cross section extending in the longitudinal direction of the box are attached to the inner wall surfaces 4a of the left and right side walls 4. . The rubbed wood 18 protects the basket wheel 19 from directly hitting the inner wall surface 4a of each side wall part 4 when the basket wheel 19 for storing luggage is put in and out, and protects the inner wall surface of each side wall part 4 of the luggage compartment 7 4A is prevented from being damaged, but since the cross section of the rubbed wood 18 is formed in an arc shape, an inner corner formed between the rubbed wood 18 and the inner wall surface 4a of the luggage compartment 7 is formed. The size of the part is reduced, and garbage is less likely to accumulate, whereby the interior of the luggage compartment 7 can be kept in a sanitary condition. In addition, even if the car 19 hits the scraping tree 18,
The frictional resistance with respect to the car 19 is small, so that there is no hindrance to putting the car 19 in and out, and the car 19 itself is rarely damaged.

5 and 6 are enlarged sectional views showing the front side of the box 1 for keeping cool, FIG. 5 is an enlarged sectional view taken along the line Y--Y of FIG. 2B, and FIG. FIG. FIG. 7 is an enlarged view of a portion indicated by an arrow Z in FIG. As can be seen from these figures, the front wall portion 2 of the luggage compartment 7 has a cylindrical rubber mounting frame 21 extending vertically and vertically,
A plurality of basket cart cushioning members 20 each comprising a basket car rubber 22 attached to the entire length of the tip side surface thereof are provided at a predetermined interval in the left-right direction.

Rubber attachment frame 21 of each cart cushioning member 20
Is a mounting frame main body 21a having a U-shaped cross section, and a pair of flange portions 21 on both sides protruding from both end edges of the mounting frame main body 21a.
b, 21b, and a rubber 22 for a hollow basket wheel is fixed to the tip side surface of the mounting frame body 21a by an adhesive, and as shown in FIGS. 8A and 8B, the rubber mounting frame 21 is formed. Is cut obliquely at an angle of 45 degrees with respect to the horizontal together with the rubber 22 per basket car.
A cover member 25 for closing the hollow portion 24 of the rubber mounting frame 21 is attached along the diagonal cut surface 23 by, for example, screws.

The cover member 25 is made of the material shown in FIGS.
As shown in the figure, the swash plate portion 25a is in contact with the oblique cut surface 23 of the rubber mounting frame 21, and the mounting plate portions 25b, 25b project downward from both side edges of the swash plate portion 25a. The two mounting plates 25b, 25b are
Is screwed to the mounting frame main body 21a. Further, as shown in FIG. 7, the rubber mounting frame 21 has two flange portions 21b, 21b.
b is fixed to the front wall 2 by screwing it to the front wall 2.

As described above, the upper end of the rubber mounting frame 21 of each basket wheel cushioning member 20 attached to the front wall 2 of the luggage compartment 7 is cut obliquely, and the cover member 25 is cut along the oblique cut surface 23. By attaching the rubber mounting frame 2
No garbage can accumulate in one, thereby maintaining a sanitary condition. Incidentally, FIG. 9 shows a conventional basket cushioning member 30. As can be seen from this figure, the cushioning member 30 is also composed of a cylindrical rubber mounting frame 31 and a rubber 32 for a cart wheel fixed to the rubber mounting frame 31. The upper end of the rubber mounting frame 31 is perpendicular to its length direction. As a result, dust is accumulated in the tubular rubber mounting frame 31 in the luggage compartment 7, resulting in unsanitary condition.

In manufacturing the cool box 1, the front wall 2, the rear wall 3, the left and right side walls 4, the floor wall 5, and the ceiling wall 6 constituting the cool box 1 are formed as follows. When the material forming the wall itself is impregnated with an antibacterial agent, and when an interior panel material is attached to the floor wall 5, the interior panel material is also subjected to antibacterial painting or the panel material itself is antibacterial. The agent is impregnated. Furthermore, corner face material 16, rubbing wood 18,
The lashing rails 33 are made of stainless steel, and are each formed of an antibacterial stainless steel. Furthermore, the curtains 13 and 14 are also formed of an antibacterial material. As described above, the antibacterial treatment is applied to the members constituting the cool box 1 and the related members, and the members themselves are impregnated with the antibacterial agent, so that the propagation of bacteria in the luggage compartment 7 is achieved. It is possible to prevent the generation of offensive odor and to cope with the above-mentioned HACCP (Hazard Analysis Important Control Point).

The lashing rail 33 is attached to the inner wall surfaces 4a, 4a of the left and right side wall portions 4, 4 of the cool box 1 along the longitudinal direction of the box, as schematically shown in FIGS. On the inner surface of each lashing rail 33, a large number of claw locking slits 33a are formed at a constant pitch in the longitudinal direction, and both lashing rails 33, The spacing bars 34 are fixed at required positions by engaging locking claws (not shown) at both ends of the cart holding bar 34 with the slits 33a, 33a of the bag 33 facing each other. The basket car 19 is held at the position.

[0040]

According to the first aspect of the present invention, the means for forming the air curtain when the rear wall is opened is provided at the rear end of the ceiling wall. The outside air can be prevented from entering the luggage compartment from the inside of the luggage compartment, and the temperature rise in the luggage compartment can be suppressed as much as possible.

According to the second aspect of the present invention, since the curtain curtain is suspended from the rear end of the ceiling wall, the curtain is opened from the opening of the rear wall to the interior of the luggage compartment when the rear wall is opened. By preventing outside air from entering, the temperature inside the luggage compartment can be minimized.

According to the third aspect of the present invention, a means for forming an air curtain when the rear wall is opened is provided at the rear end of the ceiling wall, and a curtain of a curtain type is provided inside the air curtain forming means. , The outside air can be effectively prevented from entering the luggage compartment from the opening in the rear wall, and the temperature rise in the luggage compartment can be further reduced.

According to the fourth aspect of the present invention, a fan is provided at the ceiling wall portion of the luggage compartment at an intermediate portion in the longitudinal direction of the box to blow cool air flowing out of the cool air outlet to the rear of the luggage compartment. The cool air blown from the cool air outlet of the refrigerator can be uniformly circulated throughout the luggage compartment to ensure a uniform temperature in the luggage compartment, thereby making the luggage stored in the luggage compartment uniform. Can be kept cool.

According to the fifth aspect of the present invention, another curtain that is shorter than the curtain is hung on the ceiling wall at a position inward of the curtain at the rear end of the ceiling wall. Since it is installed, the direction of the air blown from the front of the luggage compartment can be changed obliquely downward, and the curtain on the rear end side can be prevented from opening outward.

According to the sixth aspect of the invention, the temperature sensors are provided at required positions on the front side, the rear side, and the middle side of the luggage compartment, respectively. , It is possible to respond to HACCP (Hazard Analysis Critical Control Point).

According to the seventh aspect of the present invention, since the corner material for filling the corner is attached to the corner of the luggage compartment, it is difficult for dust to collect in the corner of the luggage compartment.
Further, even if garbage accumulates, cleaning becomes easy, and the inside of the luggage compartment can be always kept in a sanitary condition.

According to the eighth aspect of the invention, when disposing the basket wheel cushion member on the front wall of the luggage compartment, the upper end of the cylindrical rubber mounting frame of the basket wheel cushion member is cut obliquely. Since the cover member that covers the hollow portion of the rubber mounting frame is attached along the diagonal cut surface, dust does not accumulate in the rubber mounting frame, thereby maintaining a sanitary condition.

According to the ninth aspect of the present invention, when manufacturing the cool box, each of the front wall, the rear wall, the left and right side walls, the floor wall, and the ceiling wall constituting the box is formed. Since the antibacterial treatment is applied to the part, the growth of bacteria in the luggage compartment is suppressed,
It is possible to cope with the HACCP by preventing the generation of offensive odor.

[Brief description of the drawings]

FIG. 1 is an external perspective view of an insulated truck according to the present invention as viewed obliquely from behind.

FIG. 2A is a horizontal vertical sectional view of the insulated vehicle, and FIG.
FIG. 2 is a cross-sectional view taken along the line XX of FIG.

FIG. 3 is an enlarged longitudinal sectional view of a rear end portion of the cool box, showing a state in which a door on a rear wall portion is opened.

FIG. 4 shows a corner panel attached to a corner of a luggage compartment, (A) is an enlarged cross-sectional view of a box for cooling, (B)
FIG. 2 is a cross-sectional view further enlarging a part of the box for cold insulation shown in FIG.

FIG. 5 is an enlarged sectional view taken along the line YY of FIG. 2 (B).

FIG. 6 is an enlarged sectional view of a part of FIG.

FIG. 7 is an enlarged view of a portion indicated by an arrow Z in FIG.

FIG. 8A is a perspective view showing an upper end portion of a cart cushioning member, and FIG. 8B shows a state in which a cover material for closing the cart cushioning member along an oblique cut surface at an upper end portion of a mounting frame main body is attached. It is a perspective view.

FIG. 9 is a perspective view showing a conventional basket cushioning member.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 Cooling box 2 Front wall 3 Rear wall O Opening of rear wall 4 Side wall 5 Floor wall 6 Ceiling 7 Luggage room 10 Refrigerator 11 Air curtain 12 Air curtain forming means 13 Retainer curtain 14 Length Noren curtain of short length 15 Blowing fan S1 to S5 Temperature sensor 16 Corner surface material 18 Scrubbing wood 19 Cart car 20 Cart cushioning member 21 Rubber mounting frame 22 Rubber per car car

Claims (9)

[Claims] 1. A luggage compartment is formed inside a cool box comprising a front wall, a rear wall, left and right side walls, a floor wall, and a ceiling wall, and the rear wall is made openable and closable. In the cold storage vehicle, which is provided with a cool air outlet and a suction port of the refrigerator above the front part of the refrigerator, the luggage compartment has a rear end portion of the ceiling wall, and when the rear wall is opened, the outside air from the opening to the luggage compartment is opened. An insulated vehicle provided with means for forming an air curtain so as to prevent intrusion. 2. A luggage compartment is formed inside a cool box comprising a front wall portion, a rear wall portion, left and right side wall portions, a floor wall portion and a ceiling wall portion, and the rear wall portion is made openable and closable. In the cold storage vehicle, which is provided with a cool air outlet and a suction port of the refrigerator above the front part of the refrigerator, the luggage compartment is provided at the rear end of the ceiling wall, and when the rear wall is opened, the outside air flows from the opening to the luggage compartment. An insulated car with hanging curtains that prevent intrusion. 3. A luggage room is formed inside a cool box comprising a front wall, a rear wall, left and right side walls, a floor wall and a ceiling wall, and the rear wall is made openable and closable. In the cold storage vehicle, which is provided with a cool air outlet and a suction port of the refrigerator above the front part of the refrigerator, the luggage compartment has a rear end portion of the ceiling wall, and when the rear wall is opened, the outside air from the opening to the luggage compartment is opened. An insulated vehicle having a means for forming an air curtain so as to prevent intrusion, and having a curtain of a goodwill type suspended inside the air curtain forming means. 4. A ceiling fan of the luggage compartment is provided with a fan for blowing cool air flowing out of a cool air outlet to a rear portion of the luggage compartment at a longitudinally intermediate portion of the box body. 4. The insulated truck according to any one of claims 3 to 3. 5. A curtain which is shorter than the curtain and which is located inwardly of the curtain at the rear end side of the ceiling wall and separated from the curtain by the curtain.
Insulated car described in. 6. A temperature sensor is provided at a required position on each of a front side, a rear side, and an intermediate side of the luggage compartment.
The insulated truck according to any one of the above. 7. The insulated vehicle according to claim 1, wherein a corner panel for filling the corner is attached to a corner of the luggage compartment. 8. A basket-wheel cushioning member comprising a cylindrical rubber mounting frame extending vertically and a rubber per basket wheel attached to the rubber mounting frame is provided on a front wall portion of the luggage compartment at required intervals in the left-right direction. When arranging a plurality of pieces, the upper end of the cylindrical rubber mounting frame of each basket wheel cushioning member is obliquely cut, and a cover material that covers the hollow portion of the cylindrical rubber mounting frame is attached along the diagonally cut surface. An insulated truck according to any one of claims 1 to 7. 9. A front wall portion, a rear wall portion, and a cold storage box body,
The insulated vehicle according to any one of claims 1 to 8, wherein antibacterial treatment is applied to each of the left and right side walls, the floor wall, and the ceiling wall.