JPH09207648A - Refrigeration carrier - Google Patents

Abstract

(57) [Abstract] [PROBLEMS] To improve the workability of loading and unloading luggage by minimizing the conduction between the freezer compartment and the outside air when loading and unloading luggage. A frozen food is delivered, and a freezing source (11) is arranged at a front end (21) of a frozen cargo room (20) and a rear end (25).
In the refrigerating and conveying apparatus 10 having the door opening 30 provided in the door opening 30, the door opening 30 includes the normally closed doors 40 and 40 and the opening / closing door 5.
0 is configured to close the door opening 30 of the frozen cargo compartment 20, and the opening / closing door 50 is arranged so as to be openable / closable separately from the normally closed doors 40, 40, for insulating the frozen cargo compartment 20 into front and rear. A curtain 60 is provided, and the curtain 6 for heat insulation is provided.
Both side walls 22, 22 of the frozen cargo compartment 20 so as to support 0.
Guide rails 61, 61 are installed symmetrically horizontally at the upper end of the curtain guide bar 62, and both ends of the curtain guide bar 62 are slidably engaged with and supported by the guide rails 61, 61. Suspending and supporting the curtain 6 for heat insulation
An engaging member 66 joined to the side walls 22, 22 of the frozen cargo compartment 20 was provided at the side edge of 0.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the delivery of frozen foods, in which a freezing source is arranged at the front end of a frozen cargo compartment,
Regarding a refrigerating and transporting device having a door opening at a rear end thereof, for example, a freight car, a container loaded on a freight car,
It is installed on a trailer.

[0002]

2. Description of the Related Art In a conventional refrigerating and transporting apparatus in which a freezing source is arranged at a front end of a frozen cargo compartment and a door opening is provided at a rear end thereof, a door opening at the rear end is opened and closed by a double-opening door. It was common to be like this.

[0003]

However, in such a conventional technique, when the opening / closing door is opened widely for loading and unloading luggage, the freezing compartment and the outside air are electrically connected to each other in a wide range, and the temperature of the freezing compartment is increased. Therefore, there is a problem in that the workability of loading and unloading luggage during transportation is poor, because it is necessary to quickly load and unload the luggage or to open the luggage small to reduce conduction.

The present invention has been made by paying attention to the problems of the prior art as described above, and minimizes the conduction between the frozen cargo compartment and the outside air at the time of loading and unloading the luggage to minimize the temperature of the frozen cargo compartment. It is an object of the present invention to provide a refrigerating and transporting device capable of preventing temperature rise, preventing deterioration of quality of frozen foods, and improving workability of loading and unloading luggage.

[0005]

The gist of the present invention to achieve the above object lies in the following inventions.

1 For delivering frozen foods, a freezing source (11) is arranged at a front end (21) of a frozen cargo room (20), and a door opening (30) is provided at a rear end (25). In the refrigerating and transporting device (10), the frozen cargo compartment (20)
A heat-insulating curtain (60) for partitioning the front and rear is provided, and guide rails () are provided at the upper ends of both side walls (22, 22) of the frozen cargo compartment (20) so as to support the heat-insulating curtain (60). 61, 61) are installed symmetrically horizontally and slidably supported by the guide rails (61, 61) at both ends of the curtain guide bar (62).
The heat insulation curtain (60) is hung and supported on 2), and the heat insulation curtain (60) has a side wall with a frozen cargo compartment (20) so as to partition the cross section of the frozen cargo compartment (20) without a gap. The refrigerating and conveying device (10), characterized in that an engaging member (66) joined to the side walls (22, 22) is provided.

2 For delivering frozen foods, the freezing source (11) is arranged at the front end (21) of the freezer compartment (20), and the door opening (30) is provided at the rear end (25). In the refrigerating and conveying device (10), the door opening (30)
Is configured to close the door opening (30) of the freezer compartment (20) by the normally closed doors (40, 40) and the opening / closing door (50), and the opening / closing door (50) is the normally closed door (40). , 4
Refrigerating and transporting device (10), characterized in that it is arranged separately from 0).

3 For delivering frozen foods, the freezing source (11) is arranged at the front end (21) of the freezer compartment (20) and the door opening (30) is provided at the rear end (25). In the refrigerating and conveying device (10), the door opening (30)
Is configured to close the door opening (30) of the freezer compartment (20) by the normally closed doors (40, 40) and the opening / closing door (50), and the opening / closing door (50) is the normally closed door (40). , 4
0) is provided so as to be openable and closable, and an insulating curtain (60) for partitioning the frozen cargo compartment (20) into front and rear is provided to support the insulating curtain (60).
Guide rails (61, 61) are installed symmetrically horizontally on the upper ends of both side walls (22, 22) of the frozen cargo compartment (20), and the curtain guide bar (6) is installed on the guide rails (61, 61).
2) slidably engaged and supported at both ends thereof, and the heat insulation curtain (60) is hung and supported by the curtain guide bar (62), and the heat insulation curtain (60) is a frozen cargo compartment (20).
Frozen cargo compartment (2
0) A refrigerating and transporting device (10) characterized in that an engaging member (66) joined to the side wall (22, 22) is provided.

4 For delivering frozen foods, the freezing source (11) is arranged at the front end (21) of the freezer compartment (20) and the door opening (30) is provided at the rear end (25). In the refrigerating and transporting device (10) configured as described above, the door opening (30) of the frozen cargo compartment (20) is divided into both side portions and a central portion, and normally closed doors (40, 40) are arranged on both sides and An opening / closing door (50) is arranged between the closing doors (40, 40), and both of the normally closing doors (40, 40) have a base end edge (41) at both opening side edges (32) of the door opening (30). , 32) are pivotally mounted to each other about a vertical axis so as to be openable and closable, and the free end edges (43, 43) engage with the upper and lower edges (33, 34) of the door opening (30). ), The opening / closing door (50) has a base edge (51) at the normally closed doors (4).
0, 40) one of the normally closed doors (40) has a free edge (43,
43) is pivotably attached to the open / close door 43, and the free edge 53 of the open / close door (50) is the free edge (43, 4) of the other normally closed door (40).
Refrigerating and transporting device (10), characterized in that it is arranged so as to be in close contact with (3).

5 For delivering frozen foods, the freezing source (11) is arranged at the front end (21) of the freezer compartment (20) and the door opening (30) is provided at the rear end (25). In the refrigerating and transporting device (10) configured as described above, the door opening (30) of the frozen cargo compartment (20) is divided into both side portions and a central portion, and normally closed doors (40, 40) are arranged on both sides and An opening / closing door (50) is arranged between the closing doors (40, 40), and both of the normally closing doors (40, 40) have a base end edge (41) at both opening side edges (32) of the door opening (30). , 32) are pivotally mounted to each other about a vertical axis so as to be openable and closable, and the free end edges (43, 43) engage with the upper and lower edges (33, 34) of the door opening (30). ), The opening / closing door (50) has a base edge (51) at the normally closed doors (4).
0, 40) one of the normally closed doors (40) has a free edge (43,
43) is pivotally attached to the open / close door, and the free edge (53) of the open / close door (50) is the free edge (43, 43) of the other normally closed door (40).
43), which is arranged so as to be in close contact with the frozen cargo compartment (20).
A heat-insulating curtain (60) for partitioning the front and rear is provided, and guide rails () are provided at the upper ends of both side walls (22, 22) of the frozen cargo compartment (20) so as to support the heat-insulating curtain (60). 61, 61) are installed symmetrically horizontally and slidably supported by the guide rails (61, 61) at both ends of the curtain guide bar (62).
The heat insulation curtain (60) is hung and supported on 2), and the heat insulation curtain (60) has a side wall with a frozen cargo compartment (20) so as to partition the cross section of the frozen cargo compartment (20) without a gap. The refrigerating and conveying device (10), characterized in that an engaging member (66) joined to the side walls (22, 22) is provided.

6. The refrigerating and transporting device (10) according to item 1, 3 or 5, wherein the heat-insulating curtain (60) is configured to fold and open in a folding screen shape.

7 The opening / closing door (50) has a free edge (5
Item 3) is locked by an opening / closing lock device 55 that engages with the upper and lower edges (33, 34) of the door opening (30). (10).

8. The opening / closing door (50) is arranged so as to open and close a part of the normally closed door (40, 40). Refrigeration carrier (10).

The present invention operates as follows.

The refrigerating and transporting device (10) is provided with a frozen cargo compartment (2
The inside of the room is kept at a low temperature by the freezing source (11) arranged at the front end (21) of (0), frozen food is delivered, and luggage is taken in and out through the door opening (30) at the rear end (25). Frozen luggage compartment (2
0) is divided into front and rear by a heat insulation curtain (60), and the heat insulation curtain (60) is guided by guide rails (61, 6).
When the freezer compartment (20) is moved back and forth along 1) and the frozen cargo compartment (20) is full, the heat insulation curtain (60) is located at the rear end of the movement stroke and is moved forward as the load decreases.

The insulating curtain (60) is attached to the frozen cargo compartment (2
0) Suspended on a curtain guide bar (62) slidably supported at both ends by guide rails (61, 61) horizontally installed symmetrically on the upper ends of both side walls (22, 22). The cross-section of the frozen cargo compartment (20) is supported without a gap by being supported and the side edge engaging members (66) being joined to the side walls (22, 22) of the frozen cargo compartment (20).

Specifically, the heat-insulating curtain (60) is constructed, for example, in a folding screen shape so that it can be opened and closed, and when loading and unloading luggage, it is divided at the central portion, or a single piece is folded sideways. Keep the luggage from the front to the rear and close it quickly.

The door opening (30) at the rear end portion (25) of the frozen cargo compartment (20) is closed by the normally closed doors (40, 40) and the opening / closing door (50) and can be opened and closed as necessary. The normally-closed doors (40, 40) are in principle closed during delivery, and the opening / closing door (50) that can be opened / closed separately from the normally-closed doors (40, 40) is for loading and unloading luggage at the time of delivery. Used when

More specifically, the door opening (30) of the freezer compartment (20) is divided into both sides and a central part, and the normally closed doors (40, 40) are delivered to both sides as described above. It is sometimes closed in principle, and the opening / closing door (50) between the normally closed doors (40, 40) is used for loading and unloading of parcels during delivery.

Both of the normally closed doors (40, 40) are opened together with the opening / closing door (50) in a frozen state when a large amount of luggage is loaded at a base or the like, and the door opening (30) is fully opened. To be done. That is, the normally closed doors (40, 40) have the normally closed lock device (4, 43) with the free edges (43, 43) at the time of delivery.
5, 45) allow the upper and lower edges (33, 3) of the door opening (30).
4) is engaged and locked in the normally closed state, and the normally closed locking device (4
5, 45) are released, the base end edge (41) is opened and closed by rotating around the vertical axis on both opening side edges (32, 32) of the door opening (30).

The opening / closing door (50) is pivotally mounted such that the base end edge (51) is openable and closable to the free end edge (43, 43) of one of the normally closed doors (40, 40). When it is closed by swinging and opening and closing, the free edge (5) of the opening / closing door (50) is opened.
3) is the free edge (43, 43) of the other normally closed door (40)
The frozen cargo compartment (20) is sealed in close proximity to.

The open / close door (50) is provided with an open end (53) between the open / close door and the normally closed door (40).
The open end (53) of the open / close door (50) is locked and held by the open / close lock device that engages with the upper and lower edges (33, 34) of the door opening (30). May be. The opening / closing door (50) is a normally closed door (4
(0, 40) may be provided so as to open and close a part,
In this case, the opening / closing door (50) is a normally closed door (40, 40).
Open and close the part of the hole.

As a whole, it is recommended that the procedure of loading and unloading the package at the time of delivery is as follows in order not to let the cool air escape.

That is, first, the opening / closing door (50) is opened to enter the freezer compartment (20), and the opening / closing door (50) is quickly opened.
Close. Since the insulating curtain (60) is closed, the coldest inside air does not directly leak to the outside.
Next, the insulating curtain (60) that partitions the frozen cargo compartment (20) is opened, the load is moved from the front part to the rear part, and the insulating curtain (60) is closed. Thermal insulation curtains (60)
Since the inside of the refrigeration compartment (60) is closed, only the amount of the coldest inside air that moves from the front to the rear in the frozen cargo compartment (20) when the insulating curtain (60) is opened.

Then, the opening / closing door (50) is opened to establish electrical connection with the outside. The rear part partitioned by the heat-insulating curtain (60) conducts to the outside air, but the coldest part does not come into direct contact with the outside air. Since the opening / closing door (50) only opens a part of the door opening (30) of the freezer compartment (20), the refrigerating capacity to escape to the outside air is small. And the luggage is opened and closed (5
0) is carried out from the opened opening, and the opening / closing door (50) is promptly closed after carrying out. The parcels carried out are promptly carried into the refrigeration facility of the delivery destination.

[0026]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to the drawings. 1 to 5 show an embodiment of the present invention. The refrigerating and transporting device 10 is for delivering frozen foods, and is installed in the freight vehicle T in the present embodiment, and is also installed in a container or a trailer loaded on the freight vehicle T. The refrigerating and transporting device 10 has a frozen cargo compartment 20, a freezing source 11 is arranged at a front end portion 21 of the frozen cargo compartment 20, and a door opening 30 is provided at a rear end portion 25.

The door opening 30 is configured to close the door opening 30 of the freezer compartment 20 by the normally closed doors 40, 40 and the opening / closing door 50. The opening / closing door 50 is normally closed doors 40, 4.
It is arranged so that it can be opened and closed separately from 0. Frozen luggage room 2
At 0, a heat-insulating curtain 60 that is movable before and after dividing the luggage compartment into front and rear is provided. Further, there is provided a tailgate lifter 70 which faces the lower opening edge 34 of the door opening 30 and forms a continuous surface with the floor surface for loading and unloading of luggage.

The door opening 30 of the freezer compartment 20 is divided into both side portions and a central portion, and the normally closed doors 40, 40 are arranged on both sides corresponding to both side portions, and between the normally closed doors 40, 40. An opening / closing door 50 is arranged.

Both normally-closed doors 40, 40 have base edges 41, 4
1 is pivotally attached to both opening side edges 32, 32 of the door opening 30 by hinges 42, 42, respectively so as to be openable and closable about a vertical axis, and free end edges 43, 43 are upper and lower edges 33, 3 of the door opening 30.
It is locked by the normally-closed locking devices 45, 45 that engage with No. 4.

The normally closed lock device 45 has a lock bar 46 and a bearing member 46 in a direction perpendicular to the free end edge 43 of the normally closed door 40.
a, 46 a are pivotally supported, and claws 47, 47 are fixedly mounted on the upper and lower ends of the lock bar 46, and a lock operating lever 48 is fixedly mounted in the middle portion. The lock operating lever 48 is operated to operate the lock bar. 46 is rotated so that the claws 47, 47 are fixed to the upper and lower edges 33, 34 of the door opening 30.
It is designed to come out of the system at 9.

The lock operating lever 48 is normally closed door 4
The normally closed door 40 is locked so as not to be opened by being locked by a locking member 48a provided on the surface of No. 0.

The open / close door 50 has its base edge 51 pivotally attached to the free end edges 43, 43 of one of the normally closed doors 40, 40 by hinges 52, 52 ... The free edge 53 of 50 is the free edge 43 of the other normally closed door 40.
It is arranged so as to be in close contact with.

The opening / closing door 50 is provided with an opening / closing lock device 55 for disengaging the free edge 53. The open / close lock device 55 pivotally supports the lock bar 56 vertically with the free end edge 53 of the open / close door 50 by the bearing members 56a, 56a ... And the claws 57, 57 are fixedly provided on the upper and lower ends of the lock bar 56. A lock operation lever 58 is fixed to the middle portion, and the lock bar 56 is rotated by the operation of the lock operation lever 58 so that the claws 57 and 57 are fixed to the free end edge 43 of the normally closed door 40. The system is set to come off at 59, 59.

The lower end of the lock bar 56 of the open / close lock device 55 and the lower claw receiver 59 are arranged in the plane of the normally closed door 40 so that the tailgate lifter 70 can be opened and closed without interference even when it is in the raised position. This is so that the door 50 can be opened and closed.

The lock operating lever 58 is a locking member 58 provided on the surface of the opening / closing door 50 while the truck T is running.
When the vehicle is stopped and the luggage is loaded and unloaded, the lock operation lever 58 is removed from the locking member 58a to perform a releasing operation.

Guide rails 6 are provided on the upper ends of both side walls 22, 22 of the frozen cargo compartment 20 so as to support the heat insulating curtain 60.
1, 61 are symmetrically installed horizontally. Guide rail 6
Both ends of a curtain guide bar 62 are slidably engaged with and supported by 1 and 61, and a heat insulating curtain 60 is suspended and supported by the curtain guide bar 62. The heat-insulating curtain 60 is configured to be folded and opened in a folding screen shape.

As shown in FIGS. 4 and 5, the guide rail 61 has a lateral groove-shaped cross section, and the rollers 63a, 63a provided on the shoe member 63 fixed to the end of the curtain guide bar 62 are guided. It is slidably fitted in the groove of the rail 61. The sliding rings 64, 64 ... Are attached to the folding screen pieces of the heat insulating curtain 60, and the curtain guide bar 62 is inserted into the sliding rings 64, 64. The heat-insulating curtain 60 is divided into two at the central portion, and fasteners 65, 65 ... Which connect the divided curtains on both sides are attached to the leading edges of the curtains on both sides.

The heat insulation curtain 60 is used for the frozen cargo compartment 2
An engaging member 66 that joins the side walls 22, 22 of the frozen cargo compartment 20 is provided at the side edge thereof so as to partition the cross section of 0 without a gap. In the present embodiment, the engaging member 66 is a magnet,
The side wall 22 can be magnetically attracted to change its position.

The lower opening edge 34 of the door opening 30 is exposed, and it can be lifted and lowered between the surface connected to the floor of the freezer compartment 20 and the vicinity of the ground, and can be folded up on the rear surface of the freight car T when not in use. A tailgate lifter 70 is provided.
The tailgate lifter 70 is configured to rotatably support a loading plate 72 at the tip of a link member 71 driven by a drive mechanism (not shown).

As described above, since the lock bar 56 is housed in the upper and lower widths of the normally closed door 40, the loading plate 72 of the tailgate lifter 70 is raised to a position where it is connected to the floor surface of the frozen cargo compartment 20. The opening / closing door 50 can be opened without any interference. On the other hand, the lock bar 46 of the normally-closed lock device 45 of the normally-closed door 40 extends to the upper and lower edges 33 and 34 of the door opening 30, and carelessly when the tailgate lifter 70 is raised or folded. It doesn't open.

Next, the operation will be described. Refrigeration carrier 10
Keeps the temperature inside the refrigeration source 11 arranged at the front end 21 of the frozen cargo compartment 20 at a low temperature, delivers frozen foods, and takes in and out luggage from the door opening 30 at the rear end 25. The frozen cargo compartment 20 is divided into front and rear by a heat insulation curtain 60. The heat insulation curtain 60 moves forward and backward along the guide rails 61, 61, and when the frozen cargo compartment 20 is full, the heat insulation curtain 60 is It is located at the rear end of the moving stroke, and is moved forward as the load decreases.

The heat-insulating curtain 60 is a curtain guide whose both ends are slidably supported by guide rails 61, 61 symmetrically arranged horizontally at the upper ends of both side walls 22, 22 of the frozen cargo compartment 20. The engaging member 66, which is a magnet and is supported by being suspended from the bar 62, is provided on the side wall 22 of the freezer compartment 20.
The cross section of the frozen cargo compartment 20 is partitioned without a gap by adsorbing to and joining to 22.

Insulation curtain 60 in the present embodiment
Are configured so that they can be folded and opened in a folding screen shape and can be separated at the central portion when loading and unloading luggage, but a single piece may be folded sideways. The fasteners 65, 65 are separated from each other, the central portion of the heat insulating curtain 60 is opened, the load is transferred from the front part to the rear part in the frozen cargo compartment 20, and the curtains on both sides are promptly closed after the transfer.

Door opening 30 at the rear end 25 of the frozen cargo compartment 20
Is closed by the normally closed doors 40, 40 and the opening / closing door 50, and can be opened and closed as necessary.
0 and 40 are normally closed during delivery, and the normally closed door 4
An opening / closing door 50 that can be opened / closed separately from 0 and 40 is used for loading and unloading luggage during delivery.

That is, the door opening 30 of the frozen cargo compartment 20 is divided into both side portions and a central portion, which is closed in principle at the time of delivery, and the opening / closing door 50 between the normally closed doors 40, 40.
Are used for loading and unloading packages during delivery.

Both of the normally closed doors 40, 40 are opened together with the opening / closing door 50 in a frozen state when a large amount of luggage is loaded at a base or the like, and the door opening 30 is fully opened.
That is, the normally closed doors 40, 40 are normally closed by the normally closed lock devices 45, 45 engaging the upper and lower edges 33, 34 of the door opening 30 at the time of delivery. . In the normally closed lock device 45, the claw 47 has the door opening 30.
The lock operation lever 48 is engaged with the side claw receiver 49 and is engaged with the engaging member 48a.

The lock operating lever 48 is removed from the locking member 48a, the lock bar 46 is rotated, and the claw 47 is received by the claw receiver 4.
When the normally closed locking devices 45, 45 are released by disengaging from 9, the base edge 41 is opened and closed by rotating around the vertical axis on both opening side edges 32, 32 of the door opening 30, respectively.

The opening / closing door 50 has its base end edge 51 pivotably attached to the free end edges 43, 43 of one of the normally closed doors 40, 40 so as to open and close, swings open and close, and is closed. When
The free end edge 53 of the opening / closing door 50 is in close contact with the free end edges 43, 43 of the other normally closed door 40 to seal the frozen cargo compartment 20.
In the open / close lock device 55 provided between the normally closed doors 40, 40, the lock operation lever 58 is locked to the locking member 58a and the pawl 57 is fixed to the normally closed door 4 while the freight vehicle T is traveling.
The opening / closing door 50 is constrained by being fitted into the claw receiver 49 provided at 0.

When opening the opening / closing door 50, hold the lock operating lever 58 of the opening / closing lock device 55 and hold the lock bar 56.
Is rotated to remove the pawls 57, 57 fixed to the upper and lower ends of the lock bar 56 from the pawl receivers 59, 59 fixed to the free end edge 43 of the normally-closed door 40 to unlock. You. The lower end of the lock bar 56 and the lower claw receiver 59 are the normally closed door 4.
Since it is arranged in the plane of 0, the tailgate lifter 7
Even when 0 is in the raised position, the opening / closing door 50 can be opened and closed without interference.

As a whole, it is recommended that the procedure of loading and unloading the package at the time of delivery is as follows in order not to let the cool air escape. That is, first, the opening / closing door 50 is opened to open the frozen cargo compartment 2
0 is entered and the opening / closing door 50 is quickly closed. Since the insulating curtain 60 is closed, the coldest inside air does not directly leak to the outside. Next, fasteners 65,65
Insulation curtain 6 that separates the frozen cargo compartment 20 from each other
Open 0 to both sides, move the load from the front to the rear, and then immediately close the insulating curtain 60. Since the heat insulation curtain 60 is closed, the coldest inside air is the amount that moves from the front part to the rear part in the frozen cargo compartment 20 when the heat insulation curtain 60 is opened.

Then, the opening / closing door 50 is opened to establish electrical connection with the outside. The rear part partitioned by the heat-insulating curtain 60 conducts to the outside air, but the coldest front part does not come into direct contact with the outside air. Since the opening / closing door 50 only opens a part of the door opening 30 of the frozen cargo compartment 20, the refrigerating capacity to escape to the outside air is small. Then, the luggage is carried out through the opening of the opening / closing door 50 so as to be placed on the loading plate 72 of the tailgate lifter 70, and after being carried out, the opening / closing door 50 is promptly opened.
Is closed. The parcels carried out are promptly carried into the refrigeration facility of the delivery destination.

FIG. 6 shows another embodiment of the present invention. In this embodiment, the opening / closing door 50a is the normally closed door 4a.
It is provided to open and close a part of 0a. in this case,
The opening / closing door 50 opens / closes an opening formed by cutting out a part of the normally closed door 40a.

[0053]

According to the refrigerating and transporting device of the present invention,
When loading and unloading luggage, it is possible to minimize the conduction between the frozen luggage compartment and the outside air, prevent the temperature of the frozen luggage compartment from rising, prevent the quality of frozen foods from deteriorating, and improve the workability of loading and unloading luggage. Can be improved.

[Brief description of drawings]

FIG. 1 is a partially cutaway perspective view of a freight vehicle showing a refrigerating and conveying device according to an embodiment of the present invention.

FIG. 2 is a rear view of a freight vehicle showing a refrigerating and conveying device according to an embodiment of the present invention.

FIG. 3 is a side view of a rear portion of a freight vehicle showing a refrigerating and conveying device according to an embodiment of the present invention.

FIG. 4 is a front view of the essential parts of the heat-insulating curtain of the refrigerating and conveying device according to the embodiment of the present invention.

FIG. 5 is a plan view of the essential parts of the heat-insulating curtain of the refrigerating and conveying device according to the embodiment of the present invention.

FIG. 6 is a rear view of a freight vehicle showing a refrigerating and conveying device according to another embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Refrigerating and transporting device 11 ... Refrigeration source 20 ... Frozen luggage compartment 21 ... Front end 22 ... Side wall 25 ... Rear end 30 ... Door opening 32 ... Opening side edge 33 ... Upper opening edge 34 ... Lower opening edge 40 ... Normally closed door 41 ... Base edge 42 ... Hinge 43 ... Free edge 45 ... Normally closed locking device 46 ... Lock bar 47 ... Claw 48 ... Lock operating lever 49 ... Claw receiving 50 ... Open / close door 51 ... Base edge 52 ... Hinge 53 ... Play Edge 55 ... Opening / closing lock device 56 ... Lock bar 57 ... Claw 58 ... Lock operating lever 59 ... Claw receiving 60 ... Insulation curtain 61 ... Guide rail 62 ... Curtain guide bar 63 ... Shoe member 63a ... Roller 64 ... Sliding ring 65 … Fastener 70… Tailgate lifter

Claims (8)

[Claims] 1. A frozen carrier for delivering frozen food, comprising a freezing source at a front end of a frozen cargo compartment and a door opening at a rear end of the frozen cargo compartment. A partitioning insulation curtain is provided, and guide rails are installed symmetrically horizontally at the upper ends of both side walls of the frozen cargo compartment so as to support the insulation curtain, and both ends of the curtain guide bar are installed on the guide rails. Is slidably supported by the curtain guide bar, and the heat insulation curtain is hung and supported by the curtain guide bar. A refrigerating and transporting device, characterized in that an engaging member for joining to a side wall is provided. 2. A refrigerating machine for delivering frozen food, comprising a freezing source at a front end of a frozen cargo compartment and a door opening at a rear end thereof, wherein the door opening is normally closed. A refrigerating and transporting device, characterized in that a door and an opening / closing door are configured to close a door opening of a frozen cargo compartment, and the opening / closing door is arranged so as to be opened / closed separately from the normally closed door. 3. A frozen transportation apparatus for delivering frozen foods, comprising a freezing source at a front end of a frozen cargo compartment and a door opening at a rear end thereof, wherein the door opening is normally closed. A door and an opening / closing door are configured to close a door opening of the frozen cargo compartment, the opening / closing door is arranged to be openable / closable separately from the normally closed door, and an insulating curtain for partitioning the frozen cargo compartment into front and rear is provided. Guide rails are installed symmetrically horizontally at the upper ends of both side walls of the frozen cargo compartment so as to support the heat insulating curtain, and both ends of the curtain guide bar can slide on the guide rails. Engage and support, and suspend and support the heat insulation curtain on the curtain guide bar. The heat insulation curtain is joined to the side wall of the freezing cargo compartment side wall so as to partition the cross section of the frozen cargo compartment without a gap. A refrigerating and transporting device, which is provided with a coupling member. 4. A frozen carrier for delivering frozen food, comprising a freezing source arranged at a front end of a frozen cargo compartment and a door opening provided at a rear end of the frozen cargo compartment. The normally closed doors are arranged on both sides, and the opening / closing doors are arranged between the normally closed doors, and both of the normally closed doors have their base edges at both opening sides of the door opening. The open and close doors are pivotally attached to each edge so as to be openable and closable about a vertical axis, and the free edge is locked by a normally closed locking device that engages with the upper and lower sides of the door opening. A refrigerating and transporting device, which is pivotably attached to a free end edge of one of the normally closed doors so as to be openable and closable, and the free end edge of the openable door is arranged to be in close contact with the free end edge of the other normally closed door. . 5. A frozen food delivery apparatus for delivering frozen foods, comprising a freezing source arranged at a front end of a frozen cargo room and a door opening provided at a rear end of the frozen cargo room. The normally closed doors are arranged on both sides, and the opening / closing doors are arranged between the normally closed doors, and both of the normally closed doors have their base edges at both opening sides of the door opening. The open and close doors are pivotally attached to each edge so as to be openable and closable about a vertical axis, and the free edge is locked by a normally closed locking device that engages with the upper and lower sides of the door opening. One end of the normally closed door is pivotably attached to the free end of the door, and the open end of the openable door is arranged so as to be in close contact with the free end of the other normally closed door. Curtains are provided, and guide rails are provided at the upper ends of both side walls of the frozen cargo compartment so as to support the heat-insulating curtains. Installed symmetrically horizontally, slidably supporting both ends of the curtain guide bar on the guide rail, suspending and supporting the heat insulating curtain on the curtain guide bar, the heat insulating curtain, A refrigerating and transporting device, characterized in that an engaging member for joining to a side wall of the frozen cargo compartment is provided at a side edge thereof so as to partition a cross section of the frozen cargo compartment without a gap. 6. The heat insulating curtain is configured to be opened and closed by folding in a folding screen.
Alternatively, the refrigerating and transporting device according to item 5. 7. The refrigerating machine according to claim 2, 3, 4, 5, or 6, wherein the opening / closing door is locked by an opening / closing lock device whose free edge engages with the top and bottom of the door opening. Carrier. 8. The opening / closing door is arranged so as to open and close a part of the normally closed door.
The refrigerating machine according to 3, 4, 5, or 6.