JP7212874B2 - cart for transportation - Google Patents

Description

This embodiment relates to a cart for transportation.

2. Description of the Related Art Conventionally, for example, in stores, factories, and the like, carts for transporting loads such as food have been used. Such a carriage for transportation has a carriage body having a pair of side frames, and the carriage body has a heat-insulating carriage cover in order to insulate or protect a load such as food from heat or cold. be worn. As such a cart for transportation, for example, the one disclosed in Patent Document 1 is known.

Japanese Unexamined Patent Application Publication No. 2013-233970

However, conventional carriage covers for carriages for transportation are made of, for example, sewn sheet materials, and are generally thin and flexible (see Patent Document 1, for example). For this reason, the conventional trolley cover has a problem that it is difficult to sufficiently improve the heat insulation performance and to sufficiently protect the load inside.

On the other hand, it is conceivable to assemble the panels into a box shape and mount them on the carriage body, but in this case, there is a risk that the work of disassembling and folding the panels will be complicated. In addition, if a part of the panel is not firmly fixed to the bogie body, the positional relationship of the panel when assembled will be out of alignment, resulting in gaps between adjacent panels and deformation of the panels, resulting in the desired thermal insulation performance. may not be obtained. Further, if the panel is fixed to the carriage body with an adhesive or the like, there arises a problem that the operability deteriorates when only the carriage body is used or when the panel is replaced from the carriage body.

An object of the present disclosure is to provide a carriage for transportation in which a panel can be reliably fixed to a carriage body.

A carriage for transportation according to the present embodiment is a carriage for transportation, and includes a carriage body having a pair of side frames and a connecting member that connects the pair of side frames to each other; a side panel, wherein the side panel is detachably attached to the side frame by an attachment member.

In the carriage for transportation according to this embodiment, the attachment member may include a hook-and-loop fastener.

In the carriage for transportation according to the present embodiment, the side panel may be provided with a positioning member for positioning with the side frame.

In the carriage for transportation according to this embodiment, the positioning member may cover the outer periphery of the side frame.

In the carriage for transportation according to this embodiment, the attachment member may be a cap fitted to the upper end of the side frame.

In the carriage for transportation according to this embodiment, the attachment member may be a block-shaped fitting member that is fitted into the side frame.

In the carriage for transportation according to this embodiment, the mounting member may have a claw portion that hooks onto the side frame.

In the carriage for transportation according to this embodiment, the attachment member may be a support member that is attached to the carriage body and supports the lower ends of the side panels.

In the carriage for transportation according to this embodiment, the support member may have a side support portion that supports the main surface of the side panel from the side.

In the carriage for transportation according to the present embodiment, the carriage body may have a handle for pushing the carriage body, and the handle may have a deformable structure.

According to this embodiment, the panel can be reliably fixed to the carriage body.

FIG. 1 is a perspective view showing a carriage for transportation according to one embodiment, and is a view in which each panel is in an unfolded state. FIG. 2 is a perspective view showing the cart for transportation according to one embodiment, in which only the front panel is in a folded state. FIG. 3 is a perspective view showing the carriage for transportation according to one embodiment, in which each panel is in a folded state. FIG. 4 is a perspective view showing a carriage body. FIG. 5 is a partially enlarged front view of the bogie body. FIG. 6 is a front view of the mounting member. FIG. 7 is a cross-sectional view showing each panel. 8(a) and 8(b) are sectional views showing the vacuum heat insulating material of each panel. 9(a) to 9(c) are plan views showing the process of folding the front panel of the carriage for transportation according to the embodiment from the unfolded state. 10(a) to 10(c) are front views showing a process of folding the top panel of the carriage for transportation according to the embodiment from the unfolded state. 11(a) and 11(b) are plan views showing a process of folding the back panel of the carriage for transportation according to the embodiment from the unfolded state. 12 is a perspective view showing a carriage for transportation according to Modification 1. FIG. 13(a) and 13(b) are views of the second side panel and the mounting member according to Modification 1 as viewed from the first side panel side. FIG. 14 is a perspective view showing a carriage for transportation according to Modification 2. FIG. FIGS. 15(a) and 15(b) are views of the second side panel and the mounting member according to Modification 2 as viewed from the first side panel side. 16 is a perspective view showing a carriage for transportation according to Modification 3. FIG. 17(a) and 17(b) are views of the second side panel and the mounting member according to Modification 3 as viewed from the first side panel side. 18 is a perspective view showing a carriage for transportation according to Modification 4. FIG. 19(a) and 19(b) are views of the second side panel and the mounting member according to Modification 4 as viewed from the first side panel side. 20 is a perspective view showing a carriage for transportation according to Modification 5. FIG. FIGS. 21(a) and 21(b) are views of the second side panel and the mounting member according to Modification 5 as viewed from the first side panel side. 22 is a perspective view showing a carriage for transportation according to Modification 6. FIG. FIGS. 23(a) and 23(b) are respectively a partially enlarged front view and a plan view showing a carriage for transportation according to Modification 6. FIG. 24 is a perspective view showing a carriage for transportation according to Modification 7. FIG. FIGS. 25(a) to 25(c) are front views showing a deformed state of the handle of the carriage for transportation according to Modification 7. FIG. 26 is a perspective view showing a carriage for transportation according to Modification 8. FIG. FIGS. 27(a) to 27(c) are plan views showing a state in which the handle of the trolley for transportation according to Modification 8 is deformed. 28 is a perspective view showing a carriage for transportation according to Modification 9. FIG. 29(a) and 29(b) are plan views showing a state in which the handle of the trolley for transportation according to Modification 9 is deformed.

An embodiment will be described below with reference to the drawings. Each figure shown below is shown typically. Therefore, the size and shape of each part are appropriately exaggerated for easy understanding. In addition, it is possible to modify and implement as appropriate without departing from the technical idea. In addition, in each figure shown below, the same code|symbol is attached|subjected to the same part and detailed description may be partially abbreviate|omitted. In addition, numerical values such as dimensions and material names of each member described in this specification are examples as an embodiment, and are not limited to these, and can be appropriately selected and used. In this specification, terms specifying shapes and geometrical conditions, such as parallel, orthogonal, and perpendicular terms, not only have strict meanings but also include substantially the same states.

Further, in the following embodiments, the "X direction" is a direction parallel to the longitudinal direction of the carriage and parallel to the floor on which the carriage is arranged, and the "Y direction" is the X direction. the direction perpendicular to and parallel to the floor on which the carriage is placed. "Z direction" is a direction parallel to the vertical direction. In addition, "front" refers to the surface perpendicular to the floor and faces the direction in which other carts enter when nesting, and "back" refers to the surface perpendicular to the floor. A face that faces the front. "Top surface" refers to the surface parallel to the floor surface on the upper side of the trolley for transportation, and "bottom surface" refers to the surface parallel to the floor surface on the lower side of the trolley for transportation. refers to the side of The term "side surface" refers to a surface perpendicular to the floor and located on the longitudinal end side of the carriage.

(Construction of carriage for transportation)
The configuration of the carriage for transportation according to the present embodiment will be described with reference to FIGS. 1 to 6. FIG. FIG. 1 is a perspective view of a cart for transportation according to the present embodiment in an unfolded state. FIG. 2 is a perspective view showing the carriage for transportation according to the present embodiment, in which only the front panel is in a folded state. FIG. 3 is a perspective view of the cart for transportation according to the present embodiment in a folded state. FIG. 4 is a perspective view of the carriage body. FIG. 5 is a partially enlarged front view of the bogie body. FIG. 6 is a front view of the second side panel and the mounting member. It should be noted that the ``unfolded state'' of the carriage for transportation means that each panel of the carriage for transportation is unfolded, each panel is assembled into a box shape, and a heat insulating space is formed between the panels. state. Further, the phrase "the cart is in a folded state" refers to a state in which each panel of the cart is folded and no heat-insulating space is formed in the plurality of panels.

As shown in FIGS. 1 to 3, the carriage 10 for transportation according to the present embodiment includes a carriage body 50 and a plurality of (six in this case) provided so as to be unfoldable and foldable with respect to the carriage body 50, respectively. Panels 11-16 are provided. Among them, the plurality of panels 11 to 16 are unfolded and assembled into a box shape (see FIG. 1), and the folded state in which the panels 11 to 16 can be folded to be nested with other carriages. (see FIG. 3).

The transport trolley 10 is used, for example, in stores, factories, physical distribution processes, etc., when storing or transporting loads that need to be kept cool or warm. In such a carriage 10 for transportation, temperature change inside the carriage 10 for transportation is suppressed as much as possible because the storage space 20 capable of storing the load is surrounded by the six panels 11 to 16. is configured as On the other hand, when the transport trolley 10 is not used, by nesting it with another same transport trolley 10 (overlapping a part of the transport trolley 10 on another transport trolley 10 adjacent in the lateral direction) , a plurality of carriages 10 for transportation can be stored compactly.

Next, referring to FIG. 4, the configuration of the carriage body 50 will be described. As shown in FIG. 4, the bogie body 50 has a first side frame 51, a second side frame 52, and a connecting member 53 that connects the first side frame 51 and the second side frame 52 to each other. there is In this case, the carriage body 50 has six wheels 61 to 66, and the wheels 61 to 66 are attached downward from the connecting member 53, respectively.

The first side frame 51 is provided at one end in the longitudinal direction (negative side in the X direction) of the carriage body 50 and protrudes upward (positive side in the Z direction) from the connecting member 53 . The first side frame 51 is formed in a ladder shape, and includes a pair of vertical rods 55 extending in the vertical direction (Z direction) and a plurality of horizontal rods extending in the horizontal direction (Y direction) between the pair of vertical rods 55, respectively. crosspiece 56; The plurality of horizontal beams 56 are arranged at equal intervals along the vertical direction (Z direction). Two wheels 61 and 62 are provided below the first side frame 51 . One of the pair of vertical rods 55 (Y-direction positive side) is directly connected to a wheel mounting frame 69 (described later). On the other hand, the vertical rod 55 on the other side (the negative side in the Y direction) is not directly connected to the wheel mounting frame 69 and is separated from the wheel mounting frame 69 . As a result, the central frame 57 of the other carrier 10 does not interfere with the vertical rod 55 during nesting. Further, the horizontal beam 56 positioned at the bottom is connected to the wheel mounting frame 69 by the central connecting rod 54 . Alternatively, both of the pair of vertical rods 55 may not be directly connected to the wheel mounting frame 69, and the first side frame 51 may be connected to the wheel mounting frame 69 only by the central connecting rod 54.

The second side frame 52 is provided at the other longitudinal end portion (X-direction positive side end portion) of the carriage body 50 and protrudes upward (Z-direction positive side) from the connecting member 53 . The configuration of the second side frame 52 is substantially the same as the configuration of the first side frame 51 described above, and is arranged so as to be point-symmetrical to the first side frame 51 in plan view. Two wheels 65 and 66 are provided below the second side frame 52 .

The connecting member 53 has a substantially king shape (two "E"s facing back to each other) in a plan view, and has a central frame 57 extending in the longitudinal direction (X direction) of the carriage body 50, and a central frame 57, which is attached to the central frame 57, respectively. It has three connected wheel mounting frames 67-69.

The central frame 57 is positioned substantially centrally in the width direction (Y direction) of the carriage body 50 . The central frame 57 has sufficient strength to hold the load of the transport truck 10 and its load, and has a narrow width that does not interfere with nesting the transport trucks 10 together. . Note that the center frame 57 is provided at a position higher than the wheel mounting frames 67 to 69 so as not to interfere with the wheel mounting frames 67 to 69 of the other carriages 10 during nesting.

The three wheel mounting frames 67 to 69 each extend in a direction perpendicular to the center frame 57 (Y direction). The wheel mounting frames 67 to 69 are composed of a first wheel mounting frame 67 positioned on the side of the first side frame 51 and a second wheel mounting frame 68 positioned between the first side frame 51 and the second side frame 52. , and a third wheel mounting frame 69 located on the second side frame 52 side.

The first wheel mounting frame 67 and the second wheel mounting frame 68 are spaced apart in the longitudinal direction (X direction) of the bogie body 50 . In addition, the second wheel mounting frame 68 and the third wheel mounting frame 69 are spaced apart in the longitudinal direction (X direction) of the truck body 50 . In this case, the distance between the first wheel mounting frame 67 and the second wheel mounting frame 68 may be equal to or different from the distance between the second wheel mounting frame 68 and the third wheel mounting frame 69 .

The first wheel mounting frame 67 is provided at one end in the longitudinal direction of the center frame 57 (the end on the minus side in the X direction). A first wheel 61 and a second wheel 62 are attached to both ends of the first wheel mounting frame 67 in the longitudinal direction (both ends in the Y direction).

The second wheel mounting frame 68 is provided in the longitudinal central portion (X-direction central portion) of the central frame 57 . A third wheel 63 and a fourth wheel 64 are attached to both ends of the second wheel mounting frame 68 in the longitudinal direction (both ends in the Y direction), respectively. The width (length in the X direction) of the second wheel mounting frame 68 is narrowed to the extent that it does not interfere with the nesting of the carriages 10 for transportation.

The third wheel mounting frame 69 is provided at the other longitudinal end of the central frame 57 (X-direction plus side end). A fifth wheel 65 and a sixth wheel 66 are attached to both ends of the third wheel mounting frame 69 in the longitudinal direction (both ends in the Y direction), respectively.

The wheels 61-66 are composed of the first wheel 61, the second wheel 62, the third wheel 63, the fourth wheel 64, the fifth wheel 65 and the sixth wheel 66, as described above. Among these wheels, the first wheel 61, the second wheel 62, the fifth wheel 65 and the sixth wheel 66 are free wheels, and each rotates along a horizontal axle and turns in the vertical direction (Z direction). It is rotatable by an axis. On the other hand, the third wheel 63 and the fourth wheel 64 are fixed wheels, each of which rotates along a horizontal axle but cannot turn around a vertical (Z direction) axis.

In addition, the wheels 61 to 66 are connected to the central fixed wheel (the third wheel 63 and the fourth wheel 64) and the front and rear wheels so that the transport truck 10 can travel straight ahead stably when the load is placed on it. Any one of the free wheels (the first wheel 61 and the second wheel 62, or the fifth wheel 65 and the sixth wheel 66) may be combined to be grounded. Also, when no load is placed on the transport cart 10, the central fixed wheels (the third wheel 63 and the fourth wheel 64) are grounded in order to facilitate turning and nesting, and to make it easier to turn in a small radius. Instead, only the front and rear swivel wheels (the first wheel 61, the second wheel 62, the fifth wheel 65 and the sixth wheel 66) may be grounded. However, not limited to this, the trolley body 50 has four wheels 61, 62, 65, and 66, and does not have the second wheel mounting frame 68, the third wheel 63, and the fourth wheel 64. Also good.

A foldable bottom plate 58 is provided on the connecting member 53 . The bottom plate 58 has a substantially rectangular parallelepiped shape, extends between the first side frame 51 and the second side frame 52 in the longitudinal direction (X direction), and extends between the first side frame 51 and the second side frame 52 in the lateral direction (Y direction). It has substantially the same length as the second side frame 52 . Also, the bottom plate 58 has sufficient strength to hold the load of the load of the carriage 10 for transportation.

The bottom plate 58 is movable with respect to the connecting member 53 and has a deployed state (see FIGS. 1, 2 and 4) in which it is placed on the connecting member 53, and a second side plate 58 which is lifted with respect to the connecting member 53. It can assume a folded state (see FIG. 3) in which it is folded around the frame 52 . That is, when the panels 11 to 16 are unfolded and assembled into a box-like unfolded state (see FIGS. 1, 2 and 4), the bottom plate 58 is arranged in a horizontal unfolded state. On the other hand, when the plurality of panels 11 to 16 are folded into the folded state (see FIG. 3), the bottom plate 58 is lifted vertically and arranged in the folded state.

As shown in FIG. 5, the bottom plate 58 is rotatable around a fulcrum portion 58a provided inside the central connecting rod 54 and the vertical rod 55 (the negative side in the X direction). The fulcrum portion 58a is positioned below (on the negative side in the Z direction) the bottom panel 16 (described later). In this case, the entire connecting portion (fulcrum portion 58a) connecting the bottom plate 58 and the central connecting rod 54 or the vertical rod 55 is located outside the panels 11-16. As a result, when the periphery is surrounded by a heat insulating material as will be described later, the connecting portion does not straddle the accommodation space 20 (described later) and the outside air, and the connecting portion functions as a heat bridge. Therefore, it is possible to prevent the heat insulating property of the accommodation space 20 from deteriorating. In addition, there is no risk that the connection portion (fulcrum portion 58a) will interfere with the panels 11 to 16 while the bottom plate 58 is being moved between the folded state and the unfolded state.

(Panel configuration)
Next, configurations of the panels 11 to 16 will be described with reference to FIGS. 1 to 3. FIG.

The panels 11 to 16 are provided as a whole so as to be unfoldable and foldable with respect to the carriage body 50. As described above, the panels 11 to 16 can be unfolded and assembled into a box shape (FIG. 1) and can be nested. It can be in a folded state (Fig. 3). Also, FIG. 2 shows a case where only the front panel 12 of the panels 11 to 16 is in a folded state.

As shown in FIG. 1, the panels 11 to 16 have a substantially rectangular parallelepiped shape in the unfolded state. It includes a side panel 15 and a bottom panel 16 . The top panel 11, the front panel 12, the rear panel 13, the first side panel 14, the second side panel 15, and the bottom panel 16 each have a main surface (among the six surfaces constituting each panel). , and the widest pair of surfaces facing opposite sides) each have a substantially rectangular shape. The main surfaces of the front panel 12 and the rear panel 13 have substantially the same size, and the main surfaces of the first side panel 14 and the second side panel 15 have substantially the same size. have a size. Each of the panels 11 to 16 is made of a plate-like member having rigidity and is flexibly not deformed during use.

In the unfolded state, by being surrounded by the six panels 11 to 16, it is possible to form a storage space 20 for storing a load. When these panels 11 to 16 are unfolded, a substantially rectangular parallelepiped accommodation space 20 is formed between the panels 11 to 16 . When the housing space 20 is surrounded by a heat insulating material as will be described later, the inflow and outflow of heat to and from the outside is restricted, and heat insulation can be maintained. At least part of the six panels 11 to 16 are provided movably with respect to the adjacent panels 11 to 16, respectively. Thereby, the carriage 10 for transportation can be changed from the unfolded state in which the accommodation space 20 is formed to the folded state in which the accommodation space 20 is not formed, and can be changed from the folded state to the unfolded state. Therefore, when the carriage 10 for transportation is not used, it can be nested with another carriage 10 for transportation by folding the panels 11 to 16 . In the unfolded state, each of the six panels 11 to 16 has its peripheral edge in close contact with any other panel 11 to 16, thereby ensuring the sealing of the housing space 20. As shown in FIG.

The six panels 11-16 each include an insulation panel having an insulation portion 40 containing vacuum insulation 41 (see FIG. 7), as will be described later. In this embodiment, each of the six panels 11 to 16 includes the vacuum heat insulating material 41, but the present invention is not limited to this. Some or all of the panels 11-16 may include insulation, such as foam insulation.

Next, the configuration of each of the panels 11-16 will be further described. In the following, "the panels 11 to 16 (partial panels) are parallel (perpendicular) to a predetermined surface" means that "the main surfaces of the panels 11 to 16 (partial panels) are is parallel (perpendicular).

(top panel)
The top panel 11 is a panel located on the top side (Z-direction plus side) in the unfolded state (FIG. 1), and is arranged parallel to the horizontal plane (XY plane). In the unfolded state, the top panel 11 is arranged above the first side frame 51 and the second side frame 52 of the carriage body 50 , the first side panel 14 , and the front panel 12 . The top panel 11 is arranged on the front side (minus side in the Y direction) of the rear panel 13 and is arranged on the first side side (minus side of the X direction) of the second side panel 15 .

The top panel 11 has a structure that can be partially opened and closed, and includes a first top panel 11a located on the side of the first side frame 51 and a panel 11a located on the side of the second side frame 52. and a second top surface partial panel 11b larger than the partial panel 11a. Of these, the first top surface partial panel 11a is foldably attached to the first side panel 14 via a first top surface hinge member 21c (see FIGS. 10(a) to 10(c)). The second top surface partial panel 11b is foldably attached to the first top surface partial panel 11a via a second top surface hinge member 21d (see FIGS. 10(a) to 10(c)). .

The first top surface partial panel 11a and the second top surface partial panel 11b are both arranged horizontally (parallel to the XY plane) in the unfolded state (FIG. 1). On the other hand, in the folded state (FIG. 3), the first top partial panel 11a is arranged horizontally, while the second top partial panel 11b is folded downward, and the first top partial panel 11a is folded downward. placed so that it hangs down. At this time, the second top surface partial panel 11b is arranged around the inner side of the first side frame 51 and is parallel to the YZ plane.

The top panel 11 is detachably connected to the adjacent rear panel 13 by a detachable member (hook-and-loop fastener) (not shown). Specifically, the first top partial panel 11a is detachably connected to a first rear partial panel 13a (described later), and the second top partial panel 11b includes the first rear partial panel 13a and the second rear partial panel 13a. It is detachably connected to a rear panel 13b (described later). In addition, the second top surface partial panel 11b is detachably connected to the adjacent second side panel 15. As shown in FIG.

(front panel)
The front panel 12 is a panel positioned below the top panel 11 and above the bottom panel 16 and on the front side (Y-direction negative side) of the rear panel 13 in the unfolded state (FIG. 1). , are arranged perpendicular to the horizontal plane (XY plane) (parallel to the ZX plane). In the unfolded state, the front panel 12 is arranged between the first side panel 14 and the second side panel 15 .

The front panel 12 has a foldable structure, and includes a first front partial panel 12a positioned on the first side frame 51 side, a second front partial panel 12b positioned in the middle, and a front partial panel 12b positioned on the second side frame 52 side. and a third front panel 12c. Of these, the first front partial panel 12a is foldably attached to the first side panel 14 via a first front hinge member 22a (see FIGS. 9(a)-(c)). The second front partial panel 12b is foldably attached to the first front partial panel 12a via a second front hinge member 22b (see FIGS. 9(a)-(c)). Further, the third front partial panel 12c is foldably attached to the second front partial panel 12b via a third front hinge member 22c (see FIGS. 9(a)-(c)).

The first front partial panel 12a, the second front partial panel 12b, and the third front partial panel 12c are all arranged perpendicular to the horizontal plane (XY plane) (parallel to the ZX plane) in the unfolded state (FIG. 1). be. On the other hand, in the folded state (FIG. 3), the first front partial panel 12a is located on the front side (Y-direction negative side) of the first side panel 14 . Further, the second front partial panel 12b and the third front partial panel 12c are folded so as to overlap each other, and are further rotated around the vertical axis (Z direction axis) to the outside of the first side panel 14 (X direction minus side). At this time, the second front partial panel 12b and the third front partial panel 12c are folded on top of each other to be disposed around the outer side of the first side frame 51 and parallel to the YZ plane.

By arranging the second front partial panel 12b and the third front partial panel 12c outside the first side frame 51 (the negative side in the X direction) in the folded state in this way, the storage space 20 for storing a load is formed. can be widely secured. Also, when the bottom plate 58 is lifted toward the second side frame 52, the first front partial panel 12a, the second front partial panel 12b, and the third front partial panel 12c are prevented from interfering with the moving bottom plate 58. there is The width (length in the X direction) of the first front panel 12a is shorter than the width (length in the X direction) of the second front panel 12b and the third front panel 12c. The width (length in the X direction) of 12b is substantially the same as the width (length in the X direction) of the third front partial panel 12c. The width of the second front panel 12b and the third front panel 12c is substantially the same as the width of the first side frame 51 (the length in the Y direction), or longer than the width of the first side frame 51. there is

The front panel 12 is detachably connected to the adjacent top panel 11 by a detachable member (hook-and-loop fastener) not shown. Specifically, the first front partial panel 12a is detachably connected to the first top partial panel 11a, and the second front partial panel 12b and the third front partial panel 12c are connected to the second top partial panel. 11b are detachably connected. The front panel 12 is detachably connected to the adjacent bottom panel 16 by a detachable member (hook-and-loop fastener) (not shown). Specifically, the first front partial panel 12a, the second front partial panel 12b, and the third front partial panel 12c are detachably connected to the bottom panel 16, respectively. Further, the third front partial panel 12c of the front panel 12 is detachably connected to the adjacent second side panel 15. As shown in FIG.

(rear panel)
The rear panel 13 is located on the rear side (Y direction plus side) of the top panel 11, the front panel 12, the first side panel 14, the second side panel 15 and the bottom panel 16 in the unfolded state (FIG. 1). It is a panel, placed perpendicular (parallel to the ZX plane) to the horizontal plane (XY plane).

The rear panel 13 has a foldable structure, and has a first rear partial panel 13a positioned on the first side frame 51 side and a second rear partial panel 13b positioned on the second side frame 52 side. there is Of these, the second rear partial panel 13b is foldably attached to the first rear partial panel 13a via a first rear hinge member 23a (see FIGS. 11(a) to 11(c)). Also, the first rear partial panel 13 a is fixed to the first side panel 14 .

The first rear partial panel 13a and the second rear partial panel 13b are both arranged perpendicular to the horizontal plane (XY plane) (parallel to the ZX plane) in the unfolded state (FIG. 1). On the other hand, in the folded state (FIG. 3), the second rear partial panel 13b is folded so as to overlap the first rear partial panel 13a, and is arranged outside the first rear partial panel 13a (Y direction plus side). be. At this time, the first rear partial panel 13a remains on the rear side without being folded. In other words, the first rear panel 13a in the folded state is in the same position as in the unfolded state, and is arranged perpendicular to the horizontal plane (XY plane) (parallel to the ZX plane). In addition, the first rear partial panel 13a and the second rear partial panel 13b are folded and arranged perpendicular to the first side frame 51 and parallel to the ZX plane. Thus, in the folded state, the rear panel 13 is opened by removing the second rear partial panel 13b. The open portion of the rear panel 13 has a predetermined width in the horizontal direction (X direction) (FIG. 3). The rear panel 13 may be opened over the entire horizontal direction (X direction) depending on how the first rear partial panel 13a and the second rear partial panel 13b are folded.

The second rear partial panel 13b of the rear panel 13 is detachably connected to the adjacent second side panel 15 by a detachable member (hook-and-loop fastener) not shown. Further, the rear panel 13 is detachably connected to the adjacent bottom panel 16 by a detachable member (hook-and-loop fastener) not shown.

(First side panel)
The first side panel 14 is a panel located on the side of the first side frame 51 (minus side in the X direction) in both the unfolded state (FIG. 1) and the folded state (FIG. 3), and is positioned relative to the horizontal plane (XY plane). It is arranged vertically (parallel to the YZ plane). The first side panel 14 is composed of a single plate-like member. In addition, the first side panel 14 is arranged around the outside of the first side frame 51 of the carriage body 50 without moving in both the unfolded state (FIG. 1) and the folded state (FIG. 3), and is arranged in the YZ plane. parallel. The first side panel 14 is large enough to cover the entire outer side of the first side frame 51 .

The structure of the first side panel 14 is substantially the same as the structure of the second side panel 15, which will be described later, and the first side panel 14 is mounted by a mounting member (not shown) substantially similar to the mounting member 81, which will be described later. It is detachably attached to the first side frame 51 .

(Second side panel)
The second side panel 15 is a panel located on the side of the second side frame 52 (the positive side in the X direction) in both the unfolded state (FIG. 1) and the folded state (FIG. 3). It is arranged vertically (parallel to the YZ plane). The second side panel 15 is composed of a single plate-like member. In addition, the second side panel 15 is arranged around the outside of the second side frame 52 of the carriage body 50 without moving in both the unfolded state (FIG. 1) and the folded state (FIG. 3), and is arranged in the YZ plane. parallel. The second side panel 15 is large enough to cover the entire outer side of the second side frame 52 .

The second side panel 15 is fixed to the outside (X direction plus side) of the second side frame 52 and attached to the second side frame 52 by a mounting member 81 . A plurality (four) of the mounting members 81 are mounted on the second side panel 15 , two on the upper part of the second side panel 15 (positive side in the Z direction), and 2 on the lower part of the second side panel 15 (minus side in the Z direction). side). Specifically, the two mounting members 81 are detachably mounted on the uppermost horizontal beam 56 of the second side frame 52 , and the two mounting members 81 are mounted on the lowermost horizontal beam of the second side frame 52 . It is detachably attached to the crosspiece 56 .

As shown in FIG. 6, the mounting member 81 is composed of a flexible string-like member. Specifically, the mounting member 81 is composed of a pair of cloth pieces 82a and 82b fixed to the main surface of the second side panel 15 on the negative side in the X direction by stitching or the like. Each mounting member 81 includes one surface fastener (hook portion or loop portion) 83a attached to one cloth piece 82a and the other surface fastener (loop portion or hook portion) attached to the other cloth piece 82b. ) 83b. The mounting member 81 is attached to the horizontal rail 56 by arranging a pair of cloth pieces 82a and 82b on the upper and lower sides of the horizontal rail 56, respectively, and bringing a pair of hook-and-loop fasteners 83a and 83b into close contact with each other. Also, the mounting member 81 is removed from the horizontal beam 56 by peeling off the pair of hook-and-loop fasteners 83a and 83b and pulling the pair of cloth pieces 82a and 82b away from the horizontal beam 56 (phantom lines in FIG. 6). In this manner, the second side panel 15 is detachably attached to the horizontal beam 56 of the second side frame 52 using the attachment member 81 . Note that the mounting member 81 may be mounted on a portion of the second side frame 52 . That is, the mounting member 81 may be detachably mounted not only on the horizontal beam 56 but also on the vertical rod 55 or the central connecting rod 54 . Moreover, the mounting member 81 does not necessarily have to be fixed (fixed) to the second side panel 15, and may be detachably mounted to the second side panel 15 by, for example, a hook-and-loop fastener.

(bottom panel)
The bottom panel 16 is a panel located on the bottom side (minus side in the Z direction) in the unfolded state (FIG. 1), and is arranged parallel to the horizontal plane (XY plane). In the unfolded state, the bottom panel 16 is arranged on the bottom plate 58 of the carriage body 50 and between the first side frame 51 and the second side frame 52 . The bottom panel 16 is composed of a single plate-like member and has a structure that can be folded by lifting. The bottom panel 16 is foldably attached to the first side frame 51 via a bottom hinge member (not shown).

The bottom panel 16 is arranged parallel to the horizontal plane (XY plane) in the unfolded state (FIG. 1). On the other hand, in the folded state ( FIG. 3 ), the bottom panel 16 is folded so as to overlap the inner side (the positive side in the X direction) of the first side frame 51 and is positioned around the inner side of the first side frame 51 . That is, in the folded state, the bottom panel 16 is arranged perpendicular (parallel to the YZ plane) to the horizontal plane (XY plane). At this time, the bottom panel 16 is detachably attached to the first side frame 51 via, for example, a hook-and-loop fastener (not shown).

In addition, the top hinge member 21a, the first front hinge member 22a, the second front hinge member 22b, the third front hinge member 22c, the first rear hinge member 23a, the second rear hinge member 23b and the bottom hinge member (Fig. not shown) may each consist, for example, of a bendable connecting fabric (connecting member). Thus, each hinge member 21a, 22a, 22b, 22c, 23a, 23a, 23b, and 26a is made of connecting cloth, so that each panel (partial panel) can be easily expanded or folded.

FIG. 3 shows the panels 11-16 in the folded state, as described above. As shown in FIG. 3, in the folded state, at least a portion of each panel 11-16 is folded around the first side frame 51 or the second side frame 52, respectively.

That is, around the first side frame 51, in order from the outside (minus side in the X direction), there are the second front partial panel 12b, the third front partial panel 12c, the first side panel 14, the bottom panel 16, It overlaps with the second top surface partial panel 11b. Note that the first side frame 51 is positioned between the first side panel 14 and the bottom panel 16 . In addition, around the second side frame 52, the second side panel 15 and the bottom plate 58 overlap in order from the outside (the positive side in the X direction). The second side frame 52 is positioned between the second side panel 15 and the bottom plate 58 .

In this case, a first panel group G1 and a second panel group G2 are formed around the first side frame 51 and the second side frame 52, respectively. Among these, the first panel group G1 includes a second front panel 12b, a third front panel 12c, a first side panel 14, a first side frame 51, a bottom panel 16, and a second top panel. 11b. The second panel group G2 is composed of the second side panel 15, the second side frame 52, and the bottom plate 58. As shown in FIG. In the present embodiment, the first panel group G1 (second panel group G2) includes not only all or part of the panels 11 to 16, but also the first side frame 51 (second side frame 52) and A bottom plate 58 is also included.

Each of the panels 11 to 16 preferably has a thickness of, for example, 5 mm or more and 50 mm or less. In this embodiment, the case where the thicknesses of the panels 11 to 16 are the same will be described as an example, but the thicknesses of the panels 11 to 16 may be different. Moreover, the thickness (the length in the X direction) of the first side frame 51 and the second side frame 52 is, for example, 10 mm or more and 50 mm or less.

(Internal structure of panel)
Next, the structure of each panel 11-16 will be described. FIG. 7 is a sectional view showing the heat insulating portion 40 of each of the panels 11-16. 8A and 8B are cross-sectional views showing the vacuum heat insulating material 41 included in the heat insulating portion 40. FIG.

As shown in FIG. 7, the heat insulating portion 40 of each panel 11 to 16 includes a vacuum heat insulating material 41, a foam heat insulating material 42, a heat insulating surrounding portion 43, a heat insulating material protection member 44, and a heat shielding sheet 45. have.

Among these, the vacuum heat insulating material 41 is attached to the foam heat insulating material 42 . The vacuum heat insulating material 41 is composed of a core material 41a and an exterior material 41b provided around the core material 41a. A foamed heat insulating material 42 is arranged on the accommodation space 20 side (lower side in FIG. 7) of the vacuum heat insulating material 41 . As a result, it is possible to reduce the risk of damage to the vacuum heat insulating material 41 when a load placed in the housing space 20 collides with it.

The foam heat insulating material 42 can be arranged adjacent to at least the accommodation space 20 side of the vacuum heat insulating material 41 . The foam insulation 42 can be a known foam insulation, such as one or both of polyurethane foam and polystyrene foam.

The heat insulating enclosing part 43 is formed so as to surround the vacuum heat insulating material 41 . The heat insulating surrounding part 43 is arranged on the foam heat insulating material 42 and fixed to the foam heat insulating material 42 . By arranging the heat insulating enclosing part 43 so as to surround the vacuum heat insulating material 41, the heat insulating performance is improved as compared with the case where the heat insulating enclosing part 43 is not arranged. Further, it is possible to construct a panel in which the vacuum heat insulating material 41 has substantially the same area as the foam heat insulating material 42 and the heat insulating enclosing part 43 is not used. In this case, the insulation performance can be further improved, but since there is no insulation enclosing portion 43, there is a possibility that the vacuum insulation material 41 is vulnerable to breakage due to the entry of sharp objects from the sides. A slight gap is formed between the heat insulating enclosing portion 43 and the vacuum heat insulating material 41, so that even if the size of the vacuum heat insulating material 41 slightly changes, the vacuum heat insulating material 41 can be kept outside the heat insulating material. It is designed to be housed within the enclosure 43 .

Also, the heat insulating material protection member 44 is provided on the heat insulating enclosing part 43 and mainly serves to protect the vacuum heat insulating material 41 . As the heat insulation protection member 44, for example, a protection material made of an organic polymer can be used.

The heat shield sheet 45 is arranged so as to cover the entire outer periphery of the vacuum heat insulating material 41 , the foam heat insulating material 42 , the heat insulating enclosing portion 43 and the heat insulating material protection member 44 . The heat shield sheet 45 can be arranged to cover the entirety of the vacuum heat insulating material 41 and the foam heat insulating material 42 . Examples of the heat shield sheet 45 include a multi-layer sheet containing metal foil, and a vapor deposition sheet in which a vapor deposition layer is formed on one side of a resin sheet.

Next, the vacuum heat insulating material 41 will be further described. As shown in FIG. 8(a), the vacuum heat insulating material 41 is composed of a core material 41a and a sheathing material 41b having gas barrier properties, and is a heat insulating material obtained by decompressing the inside of the sheathing material 41b. FIG. 8B shows another example of the vacuum heat insulating material 41. As shown in FIG. In FIG. 8(a), voids are formed at both ends inside the vacuum heat insulating material 41, but in FIG. 8(b), no voids are formed. Voids may or may not be formed depending on the method of manufacturing the vacuum heat insulating material 41 .

As the core material 41a, a material used for the core material of a conventionally known vacuum insulation material can be used. For example, powder such as silica, foam such as urethane polymer, fiber such as glass wool, etc. of porous bodies may be used.

The exterior material 41b is a member that covers the outer periphery of the core material 41a, and may be a flexible sheet in which a thermal adhesion layer and a gas barrier layer are laminated in order from the core material. As the gas barrier layer, a metal foil, a vapor deposition sheet in which a vapor deposition layer is formed on one side of a resin sheet, or the like may be used. A metal foil, for example aluminum, can be used. For the deposited layer, for example, aluminum, aluminum oxide, silicon oxide can be used.

(Disassembly and assembly of carts for transportation)
Next, the operation of disassembling and assembling the cart 10 for transportation will be described. 9 to 11 are diagrams for explaining part of the process of sequentially disassembling the cart 10 for transportation.

(Disassembly of cart for transportation)
First, as shown in FIG. 1, it is assumed that the six panels 11 to 16 of the carriage 10 are unfolded and assembled into a box (unfolded state). At this time, a substantially rectangular parallelepiped housing space 20 is formed between the panels 11 to 16 . Although not shown, the storage space 20 may store a load such as food.

Next, as shown in FIG. 2, by folding the front panel 12, the front panel 12 shifts from the unfolded state to the folded state.

During this time, first, as shown in FIG. 9(a), the third front panel 12c is folded so as to overlap the second front panel 12b. Specifically, the third front partial panel 12c rotates clockwise in plan view with respect to the second front partial panel 12b around the third front hinge member 22c.

Subsequently, as shown in FIG. 9(b), the second front partial panel 12b and the third front partial panel 12c overlap each other, and in this state, the first front partial panel 12a is folded around the second front hinge member 22b. Rotate clockwise in plan view with respect to .

After that, as shown in FIG. 9(c), the second front partial panel 12b and the third front partial panel 12c move to the outer periphery of the first side frame 51. Then, as shown in FIG. Specifically, the first front partial panel 12a rotates clockwise in plan view with respect to the first side panel 14 about the first front hinge member 22a. At this time, the first front partial panel 12a is located on the front side (Y direction minus side) with respect to the first side panel 14, and the second front partial panel 12b and the third front partial panel 12c are positioned on the first side. It is located outside the frame 51 (the negative side in the X direction). In this way, the front panel 12 is folded, and the front side of the carriage 10 is completely opened in the horizontal direction (X direction) (see FIG. 2). In addition, when a load is stored in the storage space 20, the load may be taken out from the front side in this state.

Next, by folding the bottom panel 16, the bottom panel 16 shifts from the unfolded state to the folded state (see FIG. 3). At this time, the bottom panel 16 is rotated counterclockwise with respect to the first side frame 51 when viewed from the front. As a result, the bottom panel 16 is folded so as to overlap the inner side (the positive side in the X direction) of the first side frame 51 and is positioned around the inner side of the first side frame 51 . That is, the bottom panel 16 is arranged perpendicularly (parallel to the YZ plane) to the horizontal plane (XY plane). In this case, the bottom panel 16 is attached to the first side frame 51 by hook-and-loop fasteners (not shown).

Next, by folding the bottom plate 58, the bottom plate 58 shifts from the unfolded state to the folded state (see FIG. 3). During this time, the bottom plate 58 rotates clockwise with respect to the second side frame 52 when viewed from the front, and is folded so as to overlap the inside of the second side frame 52 (the negative side in the X direction). Located on the inner perimeter. That is, the bottom plate 58 is arranged perpendicular (parallel to the YZ plane) to the horizontal plane (XY plane). In this case, the bottom plate 58 is attached to the second side frame 52 by fixing means (not shown).

Subsequently, as shown in FIGS. 10(a) to 10(c), by folding the top panel 11, the top panel 11 changes from the unfolded state to the folded state.

During this time, first, as shown in FIGS. 10A and 10B, the first top surface partial panel 11a rotates counterclockwise in a front view with respect to the first side panel 14 around the first top surface hinge member 21c. As a result, the second top panel 11b rotates clockwise with respect to the first top panel 11a around the second top hinge member 21d when viewed from the front.

Subsequently, as shown in FIG. 10(c), the second top panel 11b moves to the inner periphery of the first side frame 51. Then, as shown in FIG. Specifically, the first top surface partial panel 11a rotates clockwise with respect to the first side panel 14 about the first top surface hinge member 21c when viewed from the front, and the second top surface partial panel 11b rotates around the first top surface hinge member 21c. It rotates clockwise around the second top hinge member 21d with respect to the first top partial panel 11a when viewed from the front. Thereby, the second top surface partial panel 11b is folded downward and arranged so as to hang down from the first top surface partial panel 11a. At this time, the second top surface partial panel 11b is arranged inside the first side frame 51 and inside the bottom panel 16 (the positive side in the X direction).

Next, as shown in FIGS. 11(a) and 11(b), the rear panel 13 is folded to change from the unfolded state to the folded state.

During this time, as shown in FIGS. 11A and 11B, the second rear partial panel 13b rotates counterclockwise in plan view with respect to the first rear partial panel 13a around the first rear hinge member 23a. do. Thereby, the second rear partial panel 13b is folded so as to overlap with the first rear partial panel 13a, and is arranged outside (Y-direction positive side) of the first rear partial panel 13a. On the other hand, the first rear partial panel 13a maintains the same position even in the folded state as in the unfolded state.

In this manner, the six panels 11 to 16 of the carriage 10 are all folded. As described above, when the cart 10 for transportation is not used, the panels 11 to 16 can be folded to reduce the overall volume as much as possible for storage and transportation.

(Assembly of carts for transportation)
The method of assembling the cart 10 for transportation can be performed by performing the above-described disassembling method in reverse order.

That is, first, the reverse operation of FIGS. 11(a) and 11(b) is started. That is, the rear panel 13 is changed from the folded state to the unfolded state. Next, reverse operations of FIGS. 10(a) to 10(c) are performed. That is, the top panel 11 is changed from the folded state to the unfolded state. Next, the bottom plate 58 and the bottom panel 16 are unfolded from the folded state. Finally, as a reverse operation of FIGS. 9(a)-(c), the assembly operation is completed by unfolding the front panel 12 from the folded state.

As described above, according to the present embodiment, the plurality of panels 11 to 16 can be in an unfolded state in which they are unfolded and assembled into a box shape, and in a folded state in which they can be nested with another carriage 10 for transportation. can. As a result, by unfolding the panels 11 to 16, it is possible to form a highly airtight storage space 20 in which a load can be stored inside the panels 11 to 16. FIG. On the other hand, when the carriage 10 for transportation is not used, the panels 11 to 16 are folded to be nested with other carriages 10 of the same type to store these carriages 10 compactly. be able to. In this manner, the folding and assembling operations of the panels 11 to 16 can be easily performed.

Further, according to this embodiment, the first side panel 14 is detachably attached to the first side frame 51 by an attachment member (not shown), and the second side panel 15 is attached to the second side frame 51 by an attachment member 81. It is detachably attached to the side frame 52 . Thereby, the first side panel 14 and the second side panel 15 can be reliably fixed to the carriage body 50 .

Moreover, according to the present embodiment, the mounting member 81 includes a pair of hook-and-loop fasteners 83a and 83b detachably attached to the first side frame 51 or the second side frame 52. As shown in FIG. As a result, the first side panel 14 and the second side panel 15 can be reliably fixed to the carriage body 50, and the first side panel 14 and the second side panel 15 can be easily removed from the carriage body 50 as necessary. can be done. For example, when only the carriage body 50 is used or when the panels 14 and 15 are replaced, the work of removing the panels 14 and 15 can be easily performed.

(Modification)
Next, various modifications of the carriage for transportation will be described with reference to FIGS. 12 to 29. FIG. 12 to 29 are diagrams showing various modifications of the carriage. 12 to 29, the same parts are denoted by the same reference numerals, and detailed description thereof will be omitted. 12 to 23, the second side panel 15 will be described as an example, but the first side panel 14 can also be configured in the same manner.

(Modification 1)
FIGS. 12 and 13(a) and (b) show the carriage 10 according to Modification 1. FIG. In FIG. 12, the second side panel 15 is attached to the outside of the second side frame 52 by means of a mounting member 81A. ing. The mounting member 81A, which is a cap, has a substantially rectangular parallelepiped box shape that opens downward (minus side in the Z direction). A pair (plurality) of mounting members 81A are fixed to the upper portion (Z-direction positive side) of the second side panel 15, and the pair of mounting members 81A are attached to the pair of vertical rods 55 of the second side frame 52. Each of them is detachably fitted to the upper end.

The attachment member 81A may be attached to the second side panel 15 by a method such as stitching or hook-and-loop fastener, which can be detachable or not. The material of the mounting member 81A is not particularly limited, and is preferably a material having elasticity, such as resin, rubber, or metal. In this case, by fitting the mounting member 81A firmly to the upper end of the vertical rod 55 while elastically deforming it somewhat, it is possible to prevent the second side panel 15 from wobbling from side to side.

As shown in FIGS. 13(a) and 13(b), a pair of mounting members 81A fixed to the second side panel 15 are fitted into the pair of vertical rods 55 of the second side frame 52 from above, respectively. The two side panels 15 can be removably attached to the second side frame 52 .

In this case, by covering the vertical rod 55 of the second side frame 52 with the mounting member 81A made of a cap, the second side panel 15 is firmly fixed to the second side frame 52 by its own weight, and the second side panel 15 is prevented from slipping. unlikely to occur. Further, if the mounting member 81A has elasticity, the mounting member 81A can be elastically deformed to cover the vertical rod 55 of the second side frame 52, thereby stably mounting the second side panel 15 on the second side frame 52. can be attached to Therefore, the attachment and detachment of the second side panel 15 can be facilitated, and the stability against displacement of the second side panel 15 can be enhanced.

(Modification 2)
FIGS. 14 and 15(a) and (b) show the carriage 10 for transportation according to Modification 2. FIG. In FIG. 14, the second side panel 15 is attached to the outside of the second side frame 52 by attachment members 81B. In this case, the mounting member 81B is a fitting member that is fitted into the second side frame 52. As shown in FIG. The mounting member 81B, which is a fitting member, is a block-shaped member having an opening 84 on the lower side. A pair (plurality) of mounting members 81B are fixed vertically (in the Z direction) of the second side panel 15 with a space therebetween. They are detachably fitted into the formed gaps.

The attachment member 81B may be attached to the second side panel 15 by a method such as stitching or hook-and-loop fastener, which can be detachable or not. The material of the mounting member 81B is not particularly limited, but is preferably a hard and slightly flexible material such as rubber, foaming agent, plastic, or the like. For example, the attachment member 81B made of expanded polystyrene material may be used and the attachment member 81B may be made disposable. By firmly fitting the mounting member 81B into the gap between the vertical rod 55 and the horizontal beam 56 in this manner, the second side panel 15 can be positioned and fixed to the correct position of the second side frame 52 .

As shown in FIG. 15(a), the mounting member 81B does not need to fill the entire gap between the vertical rod 55 and the horizontal beam 56. Any shape that does not have a shape is acceptable. Further, since the mounting member 81B has a lower opening 84, when the first side frame 51 and the second side frame 52 are provided with a removable intermediate shelf 59 (phantom line in FIG. 14), this intermediate shelf It is possible to prevent the shelf 59 from interfering with the mounting member 81B. In addition, if there is not enough space to avoid the intermediate shelf 59, the vertical rod 55 and the horizontal rod can be moved in only three directions, upward and left and right (positive side in the Z direction and both sides in the Y direction), within the gap between the vertical rod 55 and the horizontal rod 56. You may make it contact|connect the crosspiece 56 (FIG.15(b)). In this case, thin spacers (not shown), such as thin metal pieces, that do not interfere with the intermediate shelf 59 may be provided at both the left and right lower ends (both lower ends in the Y direction) of the mounting member 81B.

The mounting member 81B is fixed in the gap between the vertical rod 55 and the horizontal beam 56 by its elastic force with elastic deformation. Since the mounting member 81B fits into the gap between the vertical rod 55 and the horizontal beam 56 by elastic deformation, the second side panel 15 can be reliably positioned on the second side frame 52 . Moreover, although the mounting member 81B is not easily separated from the second side frame 52 due to elastic deformation, the mounting member 81B can be removed from the second side frame 52 as necessary.

(Modification 3)
FIGS. 16 and 17(a) and (b) show the carriage 10 for transportation according to the third modification. In FIG. 16, the second side panel 15 is attached to the outside of the second side frame 52 by an attachment member 81. In this case, the attachment member 81 is formed from a string-like member as in the above-described embodiment. is configured (see FIG. 6). Further, the second side panel 15 is provided with a positioning member 85 for positioning with the second side frame 52 . A plurality (four) of positioning members 85 are attached to the second side panel 15. Specifically, two positioning members 85a provided on both sides of the second side panel 15 (both sides in the Y direction) and two positioning members 85b provided above and below the side panel 15 (in the Z direction). Of these, the two left and right positioning members 85a regulate the movement of the second side panel 15 in the lateral direction (both sides in the Y direction), and the two upper and lower positioning members 85b regulate the downward movement of the second side panel 15 (Z direction). direction (minus side). Since the weight of the second side panel 15 makes it difficult for the second side panel 15 to move upward (the positive side in the Z direction), the upward movement of the second side panel 15 does not have to be restricted.

The positioning member 85 may be attached to the second side panel 15 in a detachable or non-detachable manner, such as stitching or hook-and-loop fasteners. The material of the positioning member 85 may be a slightly flexible material such as rubber, or a hard member such as hard plastic, metal, or carbon. The two left and right positioning members 85a may be arranged outside the second side frame 52 (FIG. 17(a)) or inside the second side frame 52 (FIG. 17(b)). . If the two left and right positioning members 85a interfere with the front panel 12 and the rear panel 13, it is preferable to arrange these positioning members 85a inside the second side frame 52 (FIG. 17(b)).

By providing the second side panel 15 with the positioning member 85 in this manner, movement of the second side panel 15 in the vertical and horizontal directions is restricted, and displacement of the second side panel 15 can be suppressed.

(Modification 4)
FIGS. 18 and 19(a) and (b) show the carriage 10 according to Modification 4. FIG. In FIG. 18, the second side panel 15 is attached to the outside of the second side frame 52 by attachment members 81 . In this case, the mounting member 81 is formed of a string-like member (see FIG. 6) as in the above-described embodiment. Further, the second side panel 15 is provided with a positioning member 86 for positioning with the second side frame 52 . The positioning member 86 covers the entire outer circumference of the second side frame 52 except for the lower side. Specifically, the positioning members 86 include two positioning members 86a that cover both sides (both sides in the Y direction) of the second side frame 52, and a positioning member 86b that covers the upper side (positive side in the Z direction) of the second side frame 52. including. Of these, the left and right positioning members 86a regulate the movement of the second side panel 15 in the lateral direction (both sides in the Y direction), and the upper positioning member 86b regulates the downward movement of the second side panel 15 (minus the Z direction). side). Since the second side panel 15 is difficult to move upward (Z direction plus side) due to its own weight, the upward movement of the second side panel 15 does not have to be restricted.

The positioning member 86 may be attached to the second side panel 15 in a detachable or non-detachable manner, such as stitching or hook-and-loop fasteners. The material of the positioning member 86 may be a disposable member such as expanded polystyrene. The two left and right positioning members 86a and the upper positioning member 86b may be separate members (FIG. 19(a)). Alternatively, the positioning member 86 may be an integrated member that covers the left and right sides and the upper side of the second side frame 52 (FIG. 19(b)).

By providing the positioning member 86 that covers the outer circumference of the second side frame 52 in this manner, the positioning stability of the second side panel 15 can be further improved.

(Modification 5)
20 and 21 (a) and (b) show the carriage 10 for transportation according to the fifth modification. In FIG. 20, the second side panel 15 is attached to the outside of the second side frame 52 by an attachment member 81C. In this case, the mounting member 81C has a claw portion 87 that hooks onto the second side frame 52. As shown in FIG. Specifically, the claw portion 87 of the mounting member 81C is hooked to the horizontal beam 56 of the second side frame 52 from above (Z-direction plus side), and the second side panel 15 is attached to the second side frame 52. It can be attached detachably.

The attachment member 81C may be attached to the second side panel 15 by a method such as stitching or hook-and-loop fastener, which can be detachable or not. The material of the mounting member 81C may be resin, metal, or the like. It should be noted that the second side panel 15 is difficult to move upward (Z direction positive side) due to its own weight. On the other hand, in order to restrict the movement of the second side panel 15 in the horizontal direction (both sides in the Y direction), for example, two mounting members 81C are arranged inside the pair of vertical rods 55 so as to be adjacent to the vertical rods 55. (Fig. 21(a)). Also, four mounting members 81C may be arranged in pairs on the upper portion (Z-direction plus side) and the lower portion (Z-direction minus side) of the second side panel 15 (FIG. 21(b)).

In this case, the second side panel 15 is attached to the second side frame 52 simply by hooking the claw portion 87 of the attachment member 81C provided on the second side panel 15 to the horizontal beam 56 of the second side frame 52. Therefore, the second side panel 15 can be easily attached.

(Modification 6)
FIGS. 22 and 23 (a) and (b) show the carriage 10 according to Modification 6. FIG. In FIG. 22, the second side panel 15 is attached to the outside of the second side frame 52 by an attachment member 81D. In this case, the attachment member 81D is a support member that is attached to the carriage body 50 and supports the lower end (Z-direction negative side) of the second side panel 15 . Specifically, the mounting member 81D is fixed to the outside (the positive side in the X direction) of the wheel mounting frame 69 of the carriage body 50, and extends upward (the positive side in the Z direction) from the wheel mounting frame 69. . The mounting member 81D has a lower end support portion 88a that supports the lower end of the second side panel 15, and a side support portion 88b that supports the main surface of the second side panel 15 from the side (X direction plus side). are doing. A gap is formed between the side support portion 88b and the second side frame 52, and the second side panel 15 is supported by the lower end support portion 88a by inserting the second side panel 15 into this gap. The second side panel 15 is detachably attached to the second side frame 52 .

The material of the mounting member 81D may be resin, metal, or the like. The mounting member 81D has a substantially T-shape when viewed from the side, and the movement of the second side panel 15 in the outward direction (the positive side in the X direction) and the downward direction (the negative side in the Z direction) is restricted ( FIG. 23(a)). Also, the height (Z-direction distance) of the side support portion 88b is lower than the height (Z-direction distance) of the second side frame 52 (FIG. 23(a)).

As shown in FIG. 23(b), when the mounting member 81D is also provided on the side of the first side frame 51, the mounting member 81D on the side of the second side frame 52 and the mounting member 81D on the side of the first side frame 51 are It is preferable to arrange them point-symmetrically with respect to the center of the carriage body 50 in plan view. In this case, the mounting member 81D on the side of the second side frame 52 is arranged on the wheel mounting frame 69 on the Y direction plus side, and the mounting member 81D on the side of the first side frame 51 is arranged on the wheel mounting frame 67 on the Y direction. It is placed at the position on the negative side of the direction. This prevents the attachment member 81D from interfering with other carriages 10 during nesting.

When attaching the second side panel 15, the second side panel 15 can be easily fixed simply by inserting the second side panel 15 between the attachment member 81D and the second side frame 52 from above. Furthermore, with such a configuration, a member (heat bridge) that transfers heat to the inside and outside of the second side panel 15 is not interposed. Moreover, the mounting member 81D can improve the overall strength of the carriage body 50 and the panels 11-16. Furthermore, even if the second side panel 15 is made of easily damaged material, the second side panel 15 can be reliably positioned and fixed to the second side frame 52 without processing the second side panel 15 at all. be able to.

When the second side panel 15 is attached to the second side frame 52 by using, for example, a string-like attachment member 81 or the like in addition to the attachment member 81D, the attachment member 81D is composed only of the lower end support portion 88a. It is not necessary to have the side support portion 88b. Further, the position where the mounting member 81D is mounted on the carriage body 50 is not limited to the wheel mounting frame 69. As shown in FIG. That is, the mounting position of the mounting member 81D is a region below the upper surface of the bottom plate 58 of the carriage body 50 (negative side in the Z direction) so as not to interfere with other carriages 10 when the carriages 10 are nested. Can be installed anywhere. For example, a substantially L-shaped mounting member 81D in a side view may be mounted on the central connecting rod 54. As shown in FIG.

(Modification 7)
FIGS. 24 and 25(a)-(c) show a carrier 10 according to Modification 7. FIG. In FIG. 24, the carriage body 50 has a handle 91 for pushing the carriage body 50, and the handle 91 has a deformable structure. The handle 91 includes a pair of horizontal frames 91a, a pair of vertical frames 91b extending upward (positive side in the Z direction) from each of the horizontal frames 91a, and ends of the handles extending outward (positive side in the X direction) from the vertical frames 91b. and a portion 91c.

Of these, the horizontal frame 91a protrudes outward (the positive side in the X direction) from the lower end (wheel mounting frame 69) of the carriage body 50. As shown in FIG. Each vertical frame 91b is made of a hollow pipe-shaped member, and has a slit 91d at its upper end. The handle tip portion 91c is rotatable around an axis in the horizontal direction (Y direction) perpendicular to the traveling direction of the carriage 10, and by rotating the handle tip portion 91c around the axis, the handle tip portion 91c can be rotated vertically. It can be stored inside the frame 91b. That is, the handle tip portion 91c is rotated counterclockwise in a front view and directed vertically (FIGS. 25(a) and 25(b)). After that, by lowering the guide portion 91e of the handle tip portion 91c along the slit 91d of the vertical frame 91b, the handle tip portion 91c is accommodated inside the vertical frame 91b (FIG. 25(c)).

In this way, by easily deforming the handle 91 and housing the tip 91c of the handle in the vertical frame 91b, the size of the carriage 10 in the traveling direction (X direction) can be reduced. Nesting of the transport carriages 10 can be performed better.

(Modification 8)
FIGS. 26 and 27(a)-(c) show the carrier 10 according to the eighth modification. In FIG. 26, the carriage body 50 has a handle 91 for pushing the carriage body 50, and the handle 91 has a deformable structure. The handle 91 includes a pair of horizontal frames 91a, a pair of vertical frames 91b extending upward (positive side in the Z direction) from each of the horizontal frames 91a, and ends of the handles extending outward (positive side in the X direction) from the vertical frames 91b. and a portion 91c.

In this case, the tip portion 91c of the handle is rotatable around the vertical frame 91b (vertical axis) of the carriage 10, and by rotating the tip portion 91c of the handle around the vertical frame 91b, the handle can be rotated. The hand tip portion 91c can be folded toward the second side frame 52 (the positive side in the X direction) and stored. That is, the tip portion 91c of the handle is rotated clockwise in plan view and deformed toward the front direction (minus side in the Y direction) (FIGS. 27(a) and 27(b)). As a result, the handle tip portion 91c can be retracted in the horizontal direction (Y direction) perpendicular to the traveling direction (X direction) of the carriage 10 (FIG. 27(c)). As shown in FIGS. 27(a)-(c), a spring (biasing body) 91f is provided to urge the handle tip 91c in the folding direction, and when the hand is released from the handle tip 91c, A structure may be adopted in which the tip portion 91c of the handle is naturally folded.

In this way, by easily deforming the handle 91 and withdrawing the tip portion 91c of the handle in the horizontal direction (Y direction) perpendicular to the direction of travel (X direction), the transportation trolley 10 can be moved in the direction of travel (X direction). direction) can be reduced and the nesting of the carriages 10 can be better.

(Modification 9)
FIGS. 28 and 29(a) and (b) show the carriage 10 according to the ninth modification. In FIG. 28, the carriage body 50 has a handle 91 for pushing the carriage body 50, and the handle 91 has a deformable structure. The handle 91 has a pair of horizontal frames 91a, a pair of vertical frames 91b extending upward (Z-direction plus side) from each horizontal frame 91a, and a connecting rod 91g connecting the pair of vertical frames 91b to each other. ing.

In this case, the pair of vertical frames 91b are rotatable at their lower ends about a horizontal (Y-direction) axis perpendicular to the traveling direction of the carriage 10 for transportation. Also, the pair of vertical frames 91b are connected to the pair of horizontal frames 91a via link mechanisms 91h. With this link mechanism 91h, the vertical frame 91b can be held in a state of being tilted rearward in the traveling direction of the carriage 10 (the positive side in the X direction) with respect to the horizontal frame 91a. When the vertical frame 91b is folded and oriented in the vertical direction (Z direction), the vertical frame 91b is fixed to the second side frame 52 by the stopper member 91i that connects the horizontal frame 91a and the vertical frame 91b (Fig. 29(a)). On the other hand, when the vertical frame 91b is tilted by a certain angle, the rotation is restricted by the link mechanism 91h, and the tilted state of the predetermined angle is maintained (FIG. 29(b)). As shown in FIGS. 29(a) and 29(b), a spring (biasing body) 91j is provided to bias the vertical frame 91b in the folding direction. It is good also as a structure folded up. Instead of the link mechanism 91h, a one-way mechanism that does not return to its original position unless the vertical frame 91b is tilted to the maximum angle may be used.

In this case, the pair of vertical frames 91b and the connecting rod 91g are integrally rotated about the horizontal (Y direction) axis perpendicular to the traveling direction of the carriage 10, and the pair of vertical frames 91b and the connecting rod 91g can be tilted in the direction of travel like a lever. Furthermore, when the pair of vertical frames 91b and connecting rod 91g are tilted at a predetermined angle, they are held by the link mechanism 91h so as not to tilt beyond the predetermined angle.

In this way, by easily deforming the handle 91 and retracting the connecting rod 91g in the horizontal direction (Y direction) perpendicular to the direction of travel (X direction), the transportation trolley 10 can be moved in the direction of travel (X direction). can be reduced, and the nesting of the carriage 10 for transportation can be performed satisfactorily.

The handle 91 shown in FIGS. 25 to 29 may be provided on the carrier 10 (Modifications 1 to 6) shown in FIGS. 12 to 23. FIG.

It is also possible to appropriately combine a plurality of constituent elements disclosed in the above embodiments and modifications as necessary. Alternatively, some components may be deleted from all the components shown in the above embodiments and modifications.

REFERENCE SIGNS LIST 10 carriage for transportation 11 top panel 12 front panel 13 rear panel 14 first side panel 15 second side panel 16 bottom panel 20 accommodation space 50 carriage body 51 first side frame 52 second side frame 58 bottom plate 81 mounting member

Claims (4)

A trolley for transportation,
a bogie main body having an open front side and having a pair of side frames and a connecting member that connects the pair of side frames to each other;
a side panel fixed to the outside of the side frame,
The side panel is detachably attached to the side frame by an attachment member,
The side frame has a pair of vertical rods and a plurality of horizontal beams extending between the pair of vertical rods,
The mounting member is a block-shaped fitting member that is fitted into a gap formed by the vertical rod and the horizontal beam of the side frame. 2. The transport trolley of claim 1, wherein said inset member has an opening on its underside. 2. The carriage for transportation according to claim 1, wherein said fitting member is in contact with said vertical rod and said horizontal beam in three directions of upper, left and right within said gap. 4. The carriage for transportation according to any one of claims 1 to 3, wherein the fitting member is fixed in the gap with elastic deformation.

Images