JP2772947B2 - L-type nesting foldable constant temperature transporter - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wheeled constant temperature (cooled) transport vehicle suitably used for transporting foods and the like requiring temperature control, and more specifically, an L-shaped nesting of a planar shape. The present invention relates to a foldable constant-temperature transport vehicle that can be folded at a time.

[0002]

2. Description of the Related Art Conventionally, a folding type constant temperature transport vehicle with wheels capable of folding a planar shape into an L-shape so as to be nestable is disclosed in, for example, Japanese Utility Model Publication No. 222381/1995 and Japanese Utility Model Publication 3-5645.
Various publications such as those described in Japanese Patent Publication No. 4 (2004) are known.
Therefore, it can be stored by folding and nesting in L shape.
Although the efficiency at the time of transportation can be enhanced, these conventionally known L-type nesting foldable constant temperature transport vehicles are a combination of a trolley that forms a skeleton of a vehicle body and a cool case assembled with a heat insulating sheet and mounted in the trolley. However, at the time of folding, the cart and the cool case are separated and folded separately.

[0003]

In the conventional folding low-temperature transport vehicle, when folding, the cooling case must be separated from the cart and folded separately, so that both the cooling case and the cart are stored and transported. Labor and space were required. Also, as a matter of course, it is necessary to assemble the cool case to the cart during assembly.

[0004] In addition, assembling a conventional cool case,
Since the upper surface and both sides of the opening and closing door are joined by a zipper so that they can be separated by a heat insulating sheet, it is inferior in airtightness and it is difficult to expect the effect of keeping cool. Had an unsuitable configuration. Therefore, an object of the present invention is to be able to fold the cart and the cool case in a state where they are united together, so that it is possible to save labor and space, and it is also excellent in airtightness, and has a heat insulating effect and a cool effect. It is an object of the present invention to provide an L-type nesting foldable constant-temperature transport vehicle having excellent effects.

[0005]

As a means for solving the above-mentioned problems, an L-shaped nesting folding constant-temperature carrier according to the first aspect of the present invention is mounted on a rear frame and on both left and right sides of the rear frame. Two side frames, a bottom frame attached to a bottom portion surrounded by the back frame and the two side frames, and a plurality of bottom frames provided at at least four corner positions below the two side frames. It is composed of a combination of a trolley composed of wheels, a reinforcing bar removably mounted between the front ends of the two side frames, and a cold insulation case in which a hexahedral foldable heat insulating sheet is assembled in a rectangular parallelepiped shape. In the foldable constant temperature transport vehicle to be performed, one side frame of the trolley is a combination of a narrow side frame with a narrow width vertically divided at a position slightly forward from the rear end and a side frame with a wide remaining width. Composed and side framed Rear end is pivotally connected by a hinge to the front end side small frames.

The bottom frame of the trolley is formed by a combination of a bottom frame divided horizontally at a front position having a width substantially the same as the width of the side frame from the rear end thereof and a large bottom frame having a wide remaining width. The bottom end of the large bottom frame is rotatably connected to the front end of the small bottom frame by a hinge. The heat insulating sheet constituting the cold insulation case has a structure in which a heat insulating foam plate made of synthetic resin is covered with a heat insulating film, and a connecting portion of each side of a hexahedron obtained by expanding a rectangular parallelepiped into a plane is formed as a thin hinge that can be bent, and a rectangular parallelepiped is formed. The joint of each side joined when assembling into a shape is bonded with a hook- and- loop fastener .

In the cool case, a side surface corresponding to the side frame divided into a side small frame and a large side frame constituting the trolley is vertically divided at a position slightly forward of the side frame from a rear end thereof. It is composed of a combination of a small side surface having a small width and a large side surface having a large remaining width, and both are connected by a thin hinge so as to be rotatable inward. The bottom surface and ceiling surface of the cool case are composed of a large bottom surface and ceiling wide from the back end to the front position, and the back and thin hinges are connected to rotate upward and downward, respectively, freely. ing.

The front door constituting the cool case has a base end portion having a width corresponding to the depth width of the large side frame of the trolley, one end of which is rotatably connected to the side body, and a front end door having a narrow remaining width. , And both are configured to be inwardly foldable in a mid-fold manner by a thin hinge. The cold insulation case is characterized by being housed in the basket and assembled by fixing means such as a hook- and -loop fastener .

Next, an L-shaped nesting folding constant-temperature carrier according to the second aspect of the present invention also includes a rear frame,
Two side frames attached to the left and right sides of the back frame,
A bottom frame attached to a bottom portion surrounded by the back frame and the two side frames; a plurality of wheels provided at at least four corner positions below two side frames; and the two side frames In the folding type constant temperature transport vehicle, which is composed of a combination of a trolley composed of a reinforcing bar detachably installed between the front ends of the carts and a cold storage case in which a hexahedron of a foldable heat insulating sheet is assembled in a rectangular parallelepiped shape, One of the side frames of the trolley is a narrow side frame which is vertically divided at a position slightly forward from the rear end, and a position slightly narrower than the opening width of the trolley from the rear end of the remaining width side. It is composed of a combination of three frames of an intermediate side frame vertically divided by a front end side frame of an actual remaining width, and the front and rear ends of the intermediate side frame are to the rear end of the front end side frame, and of the side small frame. Hinged to the front end for pivoting outward and inward It is binding.

The bottom frame of the trolley has a bottom frame divided horizontally at a front position substantially the same as the width of the side frame from the rear end thereof, and a center of the bottom surface extending from a rear end of the bottom of the remaining width. The middle bottom frame divided at a position exceeding the width of the front bottom bottom frame of the remaining width, the front and rear ends of the middle bottom frame to the rear end of the front bottom frame, and the front end of the bottom small frame A downward hinge and an upward pivot are connected by a hinge.

[0011] The heat insulating sheet constituting the cold insulation case has a structure in which a heat insulating foam plate made of synthetic resin is covered with a heat insulating film, and a connecting portion of each side of a hexahedron formed by expanding a rectangular parallelepiped into a plane is formed as a bendable thin hinge. It is, the joint of each side to be bonded during assembly to the rectangular parallelepiped surface Fuss
Glued together. In the cold insulation case, the side surface corresponding to the side frame divided into the side frame, the intermediate frame, and the front end side frame constituting the trolley is vertically positioned at a position slightly forward of the side frame from the rear end. It is composed of a combination of three surfaces: a divided small narrow side surface, an intermediate side surface divided at a position slightly smaller than the opening width of the cart from the rear end of the remaining width side surface, and a front end side surface of the remaining width. The front and rear ends of the intermediate side surface are hingedly connected to the rear end of the front end side surface and to the front end of the narrow side surface by hinges in the outward and inward directions.

[0012] The bottom surface of the cool case is composed of a combination of a wide rear end bottom surface which is divided horizontally at a position beyond the center of the bottom surface from the back end thereof, and a front end bottom surface having a narrow remaining width. They are connected by hinges so as to be pivotable upward and downward. The ceiling surface of the cool case is composed of a combination of a wide rear end ceiling divided horizontally at a position beyond the center of the ceiling surface from the back end and a front end ceiling with a small remaining width, both of which are hinged. It is rotatably connected to downward and upward.

The front door constituting the cold insulation case has a wide door surface having one end connected to a side body, and both are rotatably connected by a hinge. The cooling case is housed in the basket and assembled by fixing means such as a hook-and-loop fastener . In each of the above inventions, the hinges of the front door and the base door connected to the side body of the cool case are connected via the short side between the side body and the front door and the base door. The front door and the base door are rotatable inward and outward, and a substantially uniform side surface is formed in a state where the cool case is assembled.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An L-type nesting folding constant-temperature carrier according to the first aspect of the present invention includes a wagon 1 having a configuration as shown in FIG. 1 and a wagon 1 as shown in FIGS. This is performed in combination with the cool case 2 having the configuration. Wagon 1
A back frame 10 and two attached to the left and right sides of the back frame
Side frames 11 and 12, a bottom frame 13 attached to a bottom portion surrounded by the back frame 10 and the two side frames 11 and 12, and at least four corner positions below the two side frames. A plurality of wheels 19 provided, the two side frames 11,
A reinforcement bar 14 is provided between the front ends of the reinforcement members 12 so as to be removably installed, and is movable by wheels 19. The wheels 19 are installed by mounting fixtures 15 mounted and fixed to the front and rear lower ends of the left and right side frames 11 and 12.
On the other hand, the cold storage case 2 is provided with the foldable heat insulating sheet hexahedrons 20 to 25 which are developed as shown in FIG.
It is configured to be assembled in a rectangular parallelepiped shape as shown in FIG.

The cart 1 is provided with a right side frame 12 in FIG.
But it is divided longitudinally width W ₁ and the narrow side small frame 121 at a position slightly forward from the rear end thereof, and a combination of a broad side large frame 122 of the remaining width W _2. The rear end of the large side frame 122 is rotatably connected to the front end of the small side frame 121 by a plurality of hinges 16. The same car 1
Of the bottom frame 13 includes a bottom surface small frame 131 is divided laterally in a substantially forward position with the same width as the width dimension W ₁ of the side surface small frame 121 from its back end, in combination with a wide bottom large frame 132 of the remaining width It is configured. The back end of the large bottom frame 132 also
A plurality of hinges 17 are connected to the front end of the bottom frame 131 by a plurality of hinges 17 so as to be rotatable upward.

A heat insulating sheet 3 constituting the cold insulation case 2
Is Figure 4 A, a heat insulating foam boards 3a molded with polystyrene as shown in B were coated with a heat insulating film 3b thickness 3
The connecting portion of each side of the hexahedron 20 to 25, which is a rectangular parallelepiped developed in a plane, is formed as a thin hinge 4 that can be bent using the heat insulating film as shown in FIG. The joints (joined portions) of the sides to be joined at the time of assembling into a rectangular parallelepiped shape are attached by the hook-and-loop fastener 27. Therefore, joining excellent in hermeticity can be achieved. Further, as means for improving the sealing property of the joint, a sheet-like packing may be provided along the joint of each side.

In the cool case 2, the basket 1
The right side surface 22 corresponding to the right side frame 12 constituting
It is composed of a combination of a narrow side surface 221 having a narrow width vertically divided at a position slightly narrower than the side surface frame 121 from a rear end thereof, and a large side surface 222 having a wide remaining width.
Both are connected by a thin hinge 4 so as to be freely rotatable inward. The bottom surface 23 of the cool insulation case 2 has a wide large bottom body 2 extending from the back end connected to the back body to the front position.
32. The far end of this large bottom surface 232 also
The back body 20 and the thin hinge 4 are connected so as to be freely pivotable in the upward direction. Further, the front door 24 constituting the cool case 2 has a base door 241 having a width corresponding to the depth width of the bottom large frame 13 of the cart 1 and having a left end rotatably connected to the left side surface 21 and a remaining width. It is configured in combination with a front end door 242, and both are configured so as to be able to be folded inward by a thin hinge 4 in a middle folding manner.

As means for mounting the cold insulation case 2 having the above-mentioned structure on the above-mentioned basket 1 and assembling it integrally, a plurality of hook-and-loop fasteners 2 are provided along the front and rear edges of the left and right side surfaces 21 and 22 of the cold insulation case 2. 6 are prepared. Immobilization cold case 2 is made by winding a respective surface fastener 26 into bone material of the corresponding position of the basket car 1. Next, in the folding type constant temperature transport vehicle of the L-type nesting according to the second aspect of the present invention, the cart 1 also has a back frame 10 and two side frames 11 and 12 attached to both left and right sides of the back frame. And a bottom frame 13 attached to a bottom portion surrounded by the back frame 10 and the two side frames 11 and 12, and a plurality of wheels 19 provided at at least four corner positions below the two side frames. And a reinforcing bar 14 removably installed between the front ends of the two side frames. The cold insulation case 2 is configured by assembling a hexahedron of a foldable heat insulating sheet into a rectangular parallelepiped shape.

One side frame 12 of the trolley 1 is shown in FIG.
As shown in the figure, the narrow side frame 121 is divided vertically at a position slightly forward from the rear end, and at the position slightly narrower than the opening width of the trolley from the rear end of the remaining wide side surface. It is composed of a combination of three frames of the divided intermediate side frame 122 and the front end side frame 123 of the actual remaining width, and the front and rear ends of the intermediate side frame 122 are to the rear end of the front end side frame 123 and the side small frame. A hinge is connected to the front end of 121 by a hinge so as to be rotatable outward and inward.

The bottom frame 13 of the trolley 1 has a bottom frame 131 divided horizontally at a front position having a width substantially the same as the width of the side frame 121 from the back end thereof, and a bottom frame having a remaining width. It is composed of a combination of three frames, an intermediate bottom frame 132 divided at a position exceeding the center of the bottom from the end and a front end bottom frame 133 having the remaining width, and the front and rear ends of the intermediate bottom frame 132 are front end bottom frames. The hinges are pivotally connected to the rear end of 133 and to the front end of bottom frame 131 by hinges, respectively.

[0021] Also in this invention, the heat insulating sheet constituting the cold casing 2 is a diagram 4 A, a heat insulating foam boards of a synthetic resin coated with a heat insulating film configured as B, the expansion of a rectangular parallelepiped in a plane The connecting portion of each side of the hexahedron is formed as a bendable thin hinge, and joints of the sides to be joined at the time of assembling into a rectangular parallelepiped shape are bonded with a hook- and- loop fastener .

In the cool case 2, the side 22 corresponding to the side frame 12 divided into the side small frame, the intermediate side frame and the front end side frame constituting the trolley is formed by the side small frame 121 from its rear end. A narrow side surface 221 vertically divided at a slightly forward position, a narrow side surface 221, an intermediate side surface 222 divided from a rear end of the remaining width side at a position slightly narrower than the opening width of the cart, and a remaining width thereof. The front and rear ends of the intermediate side surface are hinged to the rear end of the front side surface and to the front end of the side small frame by hinges in the outward and inward directions, respectively, by hinges. .

The bottom surface 23 of the cool case 2 has a wide rear end bottom surface 231 and a front end bottom surface 232 having a narrow remaining width.
Are connected by a hinge so as to be rotatable upward and downward. The ceiling surface 25 of the cool insulation case 2 is configured by a combination of a wide rear end ceiling 251 divided horizontally at a position beyond the center of the ceiling surface from a rear end thereof, and a front end ceiling 252 having a small remaining width.
Both are connected by a hinge so as to be rotatable downward and upward.

The front door 24 of the cool case 2 has a wide door surface having one end connected to a side body, and both are rotatably connected by a hinge. The cool case 2 is housed in the cart and assembled by fixing means such as a hook-and-loop fastener 27. In each of the above inventions, the hinges of the front door and the base door connected to the side body of the cool case 2 are connected via a short side between the side body and the front door and the base door, The front door and the base door are rotatable inward and outward, and a substantially uniform side surface is formed in a state where the cool insulation case 2 is assembled.

[0025]

1 to 10 show an embodiment of the invention according to claim 1. Each of the face frames 10 to 13 of the wagon 1 has a thin and uniform layer of synthetic resin on the outer periphery of a thin steel pipe. The coated and bonded resin-coated steel pipe having an outer diameter of about 28 mm is connected to each other by various joints to form a basket structure. Front reinforcement bar 14
The left end is rotatably attached to the front end of the left side frame 11 by a connecting member 18, and the other end (free end) is detachably attached to a latch 18 ′ provided at the front end of the right side frame 12. It is configured. By horizontally extending the reinforcing bar 14 to the open front surface of the trolley 1, the front door 24 of the cool insulation case 2 is firmly restrained.

The cool case 2 has a height of 1320 mm,
It is manufactured to have a depth of 490 mm and a width of about 885 mm. Therefore, the basket 1 is manufactured to have such a size that the cool case 2 can be almost exactly stored and mounted. In the cold insulation case, the thin hinge on each side may be formed integrally with a heat insulating film, or a separate thin hinge may be joined to the heat insulating sheet by sewing or the like.

As shown in FIGS. 8 to 10, the procedure of folding the folding constant-temperature transport vehicle is as follows. First, the free end side of the reinforcing bar 14 on the front side is removed, and the front door 2 of the cool insulation case 2 is removed.
Then, the hook- and- loop fasteners 27 on the upper and lower sides and the right side fixing the base 4 are removed. Then, the front door 24 is opened, and then the ceiling surface 25 and the bottom surface 23 of the cool case 2 are bent inward to form the rear surface 2.
Flip along the inner surface of 0. Furthermore, the large side surface 222 of the right side surface 22 is bent inward, and
32 is bent upward so as to stand upright, and stands parallel to the back surface 20 (see FIG. 8). Next, when the base door portion 241 connected to the left side surface 21 of the front door of the cold storage case 2 is folded inward to be in close contact with the left side surface 21, the front end door portion 242 abuts against the large bottom frame 132. Then, it comes into close contact with the large bottom frame 132 in a folded manner (see FIG. 9). Finally, the right side large frame 122 of the wagon 1 is bent inward and brought into close contact with the front surface of the front door 242, thereby completing the L-shaped folding operation (see FIG. 10).

Accordingly, the transport vehicle folded in the L-shape in this manner can perform the L-shape nesting in which the right-angle portions formed by the left side frame 11 and the rear frame 10 in plan view are overlapped with each other. . The width W ₁ of the side frame 121 of the cart ₁
, The width of the bottom frame 131, and the cool case 2
The width of each of the base door 241 and the front door 242 is
The dimensions are set to be suitable for the above-described folding operation of each surface.
Incidentally, the width W1 of the side small frame 121 and the bottom small frame 131 of the trolley ₁ is 140 mm, the gap between the side small frame and the large side frame is 70 mm, and the width of the small width side of the cool case 2 is 70 mm.
Designed and manufactured to about mm.

[0029]

[Second Embodiment] In the embodiment of the invention described in the first aspect of the present invention, when the transport vehicle is viewed in a plan view, it is substantially a square or a rectangle having a wide frontage. The embodiment of the present invention is characterized in that, as shown in FIG. 11, the width of the frontage is narrower than the depth of the rectangle. The skeleton of the transport vehicle of this embodiment is also assembled in a basket structure by connecting resin-coated steel pipes with joints.

The cool case 2 is made to have a height of 1320 mm, a depth of 885 mm and a width of 490 mm.
Is manufactured to have a size that accommodates the cool case 2 almost exactly. In the cold insulation case, the thin hinge on each side may be formed integrally with a heat insulating film, or a separate thin hinge may be joined to the heat insulating sheet by sewing or the like.

The procedure of folding the carrier of this embodiment is substantially the same as that of the first embodiment, but because of its large depth,
The divided wide rear end ceiling 251 of the ceiling 25 connected to the rear surface 20 and the front end ceiling 252 of the remaining width are bent inwardly and outwardly. Then, the wide rear end bottom surface 231 divided from the bottom surface 23 and the front end bottom surface 2 having a small remaining width are separated.
32 and the inside and outside are bent in a middle bent state to form a rear surface 2
0.

Next, the intermediate side surface 222 having a width slightly smaller than the opening width of the divided right side surface 22 and the front end side surface 2 having the remaining width
23 is folded inside and outside in a partially folded state. Also,
Wide intermediate bottom frame 132 of the divided bottom frame 13 of the trolley 1
And the front end bottom frame 133 having a small remaining width is folded inside and in the middle folded state of Togawa, and is brought into close contact with the back surface 20. Front door 24
Is folded inward along the left side surface 21. Finally, the middle side frame 122 having a width slightly smaller than the divided opening width of the right frame 12 of the trolley 1 and the front end side frame 123 having the remaining narrow width are formed inside and The folding operation is completed by bringing the folded back surface 20 into close contact with the outer middle folded state. The folding procedure is not limited to this, and any configuration may be used as long as the procedure is to sequentially adhere to the back side.

The order of folding the floor frame first and the right side later is different from that of the first embodiment because the depth is large. This is to eliminate the inconvenience of stepping into the vehicle. Note that according to the third aspect of the present invention, a hinge side 21 and a front door 24 and the proximal end door 241 of the cold case 2 in the first and second embodiment is connected, as shown in FIG. 4 B The short side 3c that forms a substantially uniform side surface in a state where the cool case 2 is assembled as described above,
The front door 24 and the base end door 241 are rotatably connected inward and outward.

Therefore, when assembled, the short side 3c
Is located at a corner of the side body 21 and the front door 24 and the base door 241, and has a structure in which a thin portion of the hinge 4 is eliminated to obtain a heat retaining effect. Further, when the front door 24 and the base door 241 are opened, 3e and the short side 3c are located on the side body 21, and when folded inward, 3d follows the front door 24 and the base door 241 to follow.
Since it is located at the position f, the opening and closing and folding of the front door and the base door can be performed smoothly.

[0035] Incidentally, thin hinge 4 above, as shown in FIG. 4 A, to form a folded side V-shaped and assembled by bending, as described above, substantially uniform without the thin portion of the hinge 4 Make up a nice side body.

[0036]

[Effects of the present invention] According to the folding type constant temperature transport vehicle of the L-type nesting according to the present invention, the cool case and the trolley are folded together into the L-shape, and the storage space in the empty state and the transportation time are reduced. Space can be reduced, and storage and transportation efficiency can be improved. In addition, since the cool case is configured to have excellent airtightness, heat insulation and coolness are improved, temperature control is easy, and it is possible to contribute to long-distance constant temperature transport.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a trolley constituting a constant temperature transport vehicle according to the present invention.

FIG. 2 is a perspective view showing one embodiment of a cold storage case constituting the constant temperature transport vehicle of the present invention with a front door opened.

FIG. 3 is a perspective view showing a completed state of the cool case.

[4] A, B is a sectional view showing a thin hinge structure of the insulating sheet.

FIG. 5 is a development view of a cool case.

FIG. 6 is a sectional view taken along line 6-6 in FIG. 3;

FIG. 7 is a sectional view taken along line 7-7 in FIG. 3;

FIG. 8 is a perspective view showing a first stage of a folding procedure of the constant temperature transport vehicle of the present invention.

FIG. 9 is a perspective view showing a second stage of the folding procedure of the constant temperature carrier according to the present invention.

FIG. 10 is a perspective view showing the final stage of the folding procedure of the constant temperature transport vehicle of the present invention.

FIG. 11 is a plan view showing a folding procedure of the second embodiment of the constant temperature carrier according to the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Basket cart 2 Cooling case 10 Back frame 11 Side frame 12 Side frame 13 Bottom frame 19 Wheel 14 Reinforcement bar 3 Heat insulation sheet 121 Side small frame 122 Side large frame 16 Hinge 131 Bottom small frame 132 Bottom large frame 17 Hinge 3a Heat insulating foam plate 3b Heat insulation Film 4 Thin hinge 26- side fastener 27- side fastener 22 Side surface of cool case 221 Small side surface 222 Large side surface 231 Small width bottom surface 232 Large bottom surface 241 Base door 242 Front door 242

Claims (3)

(57) [Claims] 1. A back frame, two side frames attached to both left and right sides of the back frame, a bottom frame attached to a bottom portion surrounded by the back frame and the two side frames, A trolley composed of a plurality of wheels provided at at least four corner positions below two side frames, and a reinforcing bar removably mounted between front ends of the two side frames; In a foldable constant temperature transport vehicle configured by combining a heat insulating case in which a hexahedron of a heat insulating sheet is assembled into a rectangular parallelepiped shape, one side frame of the trolley has a width divided vertically at a position slightly forward from a rear end thereof. A narrow side frame with a narrow side frame and a large side frame with a wide remaining width, and a rear end of the side frame is hingedly connected to a front end of the side frame by a hinge. Is the width of the side frame from the far end When a substantially bottom small frame divided laterally in front of the same width, is a combination of the broad bottom outline of the remaining width,
The rear end of the large bottom frame is rotatably connected to the front end of the small bottom frame by a hinge. The heat insulating sheet constituting the cold insulation case has a configuration in which a heat insulating foam plate made of synthetic resin is covered with a heat insulating film, and has a rectangular parallelepiped shape. The connecting part of each side of the hexahedron developed into a planar shape is formed as a thin hinge that can be bent, and the joint of each side that is joined when assembling into a rectangular parallelepiped shape is bonded with a hook- and- loop fastener , A side surface corresponding to the side frame divided into a side small frame and a large side frame constituting the trolley, a narrow side surface having a narrow width vertically divided from a rear end thereof at a position slightly forward of the side surface frame; And a large remaining side with a wide remaining width, both of which are connected rotatably inward by thin hinges. Consists of the rear end in the wide width of the bottom member and the ceiling member to the forward position,
The back door and the thin hinge are connected rotatably upward and downward, respectively.The front door constituting the cold insulation case is equivalent to the depth width of the side frame of the cart and one end is rotatably connected to the side body. A base door portion and a front end door having a remaining width, both of which are configured to be able to be folded inward in a folding manner by a thin hinge. L-type nesting foldable constant temperature transport vehicles, each of which is assembled by fixing means such as hook-and-loop fasteners . 2. A back frame, two side frames attached to left and right sides of the back frame, a bottom frame attached to a bottom portion surrounded by the back frame and the two side frames, A trolley composed of a plurality of wheels provided at at least four corner positions below two side frames, and a reinforcing bar removably mounted between front ends of the two side frames; In a foldable constant temperature transport vehicle configured by combining a heat insulating case in which a hexahedron of a heat insulating sheet is assembled into a rectangular parallelepiped shape, one side frame of the trolley has a width divided vertically at a position slightly forward from a rear end thereof. Combination of three frames: a narrow side frame having a narrow width, an intermediate side frame vertically divided at a position slightly smaller than the opening width of the wagon from the rear end of the side surface having the remaining width, and a front end side frame having the remaining width. The front and rear ends of the intermediate side frame are To the end and to the front end of the side frame by a hinge so as to be rotatable outward and inward, and the bottom frame of the trolley is substantially the same as the width of the side frame from its back end. A bottom frame divided horizontally at the front position,
It is composed of a combination of three frames, an intermediate bottom frame divided at a position beyond the center of the bottom surface from the rear end of the bottom width of the remaining width, and a front end bottom frame of the remaining width, and the front and rear ends of the intermediate bottom frame are front end bottoms. To the rear end of the frame, and to the front end of the bottom small frame, hinged so as to freely pivot downward and upward, the heat insulation sheet constituting the cold insulation case is a heat insulation foam plate of synthetic resin with a heat insulation film. It is a covered structure, the connecting part of each side of the hexahedron developed by expanding the rectangular parallelepiped into a planar shape is formed as a bendable thin hinge, and the joint of each side joined when assembling into a rectangular parallelepiped shape is bonded with a surface fastener. In the cold insulation case, the side surface corresponding to the side frame divided into the side frame, the intermediate frame, and the front end frame constituting the trolley is slightly smaller than the side frame from the rear end. Forward position Combination of three sides: a narrow narrow side which is divided vertically, an intermediate side which is slightly narrower than the opening width of the wagon from the rear end of the remaining width side, and a front end side of the remaining width. The front and rear ends of the intermediate side surface are connected to the rear end of the front end side surface, and the front end of the narrow side surface by a hinge so as to be rotatable outward and inward by a hinge. A wide rear end bottom surface that is divided horizontally at a position beyond the center of the bottom surface from the back end,
It is composed of a combination of two surfaces with the front end bottom surface with a narrow remaining width, both of which are connected rotatably upward and downward by hinges. The ceiling surface of the cool insulation case is located at the center of the ceiling surface from its back end. It is composed of a combination of a wide rear end ceiling divided horizontally at a position exceeding, and a front end ceiling with a small remaining width,
Both doors are pivotally connected downward and upward by hinges. The front door that constitutes the cold insulation case is configured with a wide door surface with one end connected to the side body, and both pivot by hinges. L-type nesting foldable constant-temperature transport, characterized in that the case is freely connected, and the cool case is housed in the wagon and assembled by fixing means such as a hook-and-loop fastener. car. 3. A hinge of a front door and a base door connected to a side body of the cool case, the hinge being connected between the side body and the front door and the base door via a short side, The L-shape according to claim 1 or 2, wherein the front door and the base door are rotatable inward and outward, and a substantially uniform side surface is formed in a state where the cool case is assembled. Nesting folding constant-temperature transporter.