JP2022158286A - Heat insulation box body - Google Patents

Abstract

To provide a heat insulation box body which eliminates a need of a slope and is excellent in sanitation.SOLUTION: In a heat insulation box body 1, a cart 100 having casters 122 can get into/out from a storage chamber 10 through openings 16, 17. The heat insulation box body 1 includes: a bottom plate 20 defining a bottom surface of the storage chamber 10; grooves 21, 22 provided at the bottom plate 20 so that the casters 122 of the cart 100 can travel therein; and a deformable shield member 25 which protrudes toward the grooves 21, 22 to fill the grooves 21, 22.SELECTED DRAWING: Figure 1

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cart-in type heat-insulating box body in which a cart can be put in and taken out.

Refrigerators and dough conditioners used in the production of food are composed of a heat-insulating box having a storage chamber for storing food therein. As a heat insulating box body, a cart-in system is known in which a cart on which food is placed can be stored in a storage room. The cart-in type heat insulating box body has an opening for putting the cart in and out of the storage room, and a door for opening and closing the opening.

Patent Literature 1 describes a cart-in type heat insulating box that can be used as a commercial refrigerator. A bottom plate that defines the bottom surface of the storage chamber for the heat insulating box is higher than the floor on which the heat insulating box is installed. For this reason, a ramp extends from the lower end of the opening leading to the storage compartment to facilitate the loading and unloading of the cart into and out of the storage compartment. A slope is an inclined surface that rises toward the opening. When storing the cart in the storage room, the cart is run on the slope toward the opening of the storage room (see FIG. 2 of Patent Document 1).

JP 2005-241142 A

The slope is installed so as to protrude from the heat insulation box. Therefore, an area for installing the slope is required. Also, because the ramp is sloping and narrow, it is difficult to turn the cart on the ramp. Therefore, in addition to the slope, a space for changing the direction of the cart is required outside the heat insulating box body. Therefore, the heat insulating box of Patent Document 1 having a slope requires a large installation area. Furthermore, there is a risk that the operator will trip over the slope.

Further, in the heat-insulating box disclosed in Patent Document 1, the cart is stored in the storage room such that the casters of the cart ride on the bottom plate of the storage room. Since the casters running on the floor surface of the working area outside the heat insulating box body are stored together with the food in the storage compartment, it is undesirable from the viewpoint of food hygiene.

SUMMARY OF THE INVENTION A first object of the present invention is to provide a heat insulating box that does not require a slope. A second object of the present invention is to provide a heat insulating box excellent in sanitation.

A heat insulating box according to the present invention includes a storage room, an opening communicating with the storage room, and a door capable of opening and closing the opening. A cart with casters can be moved into and out of the storage chamber through the opening. The heat insulating box includes a bottom plate that defines the bottom surface of the storage chamber, grooves provided in the bottom plate so that the casters of the cart can run, and a groove extending toward the groove so as to close the groove. a deformable shielding member protruding from the

In the heat insulating box of the present invention, the bottom plate defining the bottom surface of the storage chamber is provided with grooves in which the casters can run. When the cart is stored in the storage room, the casters do not have to ride on the bottom plate. Therefore, the heat insulating box body of the present invention does not require a slope.

In the heat insulation box of the present invention, the shielding member closes the groove. The shielding member separates the groove in which the caster runs from the storage room. Therefore, it is possible to maintain good sanitary conditions in the storage room.

FIG. 1 is a front perspective view of an insulating box and a cart according to an embodiment of the present invention. 2 is a rear perspective view of the insulating box and cart shown in FIG. 1; FIG. 3 is an enlarged perspective view showing the vicinity of the first opening of the heat insulation box shown in FIG. 1. FIG. 4 is an enlarged perspective view showing the vicinity of the second opening of the heat insulating box shown in FIG. 2. FIG. FIG. 5 is an enlarged exploded perspective view showing the attachment structure of the thin plate that closes the first groove. FIG. 6A is an enlarged perspective view of the cart showing a support post and its vicinity. FIG. 6B is an enlarged plan view of the cart showing projections provided on the rear surface of the support column and the vicinity thereof. FIG. 6C is an enlarged side view of the cart showing the support posts and their vicinity. FIG. 7 is a perspective view showing a state immediately before loading the cart into the heat insulating box in one embodiment of the present invention. FIG. 8 is a perspective view showing a state in which the cart is stored in the storage chamber of the heat insulation box in one embodiment of the present invention. 9 is an enlarged cross-sectional view of the cart support column and its vicinity in FIG. 8; FIG. FIG. 10 is a perspective view showing a state in which the cart is housed in the storage chamber of the heat insulation box and the door is closed in one embodiment of the present invention. FIG. 11 is an enlarged perspective view showing the vicinity of the first opening of the heat insulating box according to another embodiment of the present invention.

In one aspect of the heat insulating box of the present invention, the shielding member may protrude from both sides of the groove in the width direction. According to this aspect, the shielding performance of the shielding member against the groove is improved. This is advantageous for improving the sanitation of the storage room and maintaining the atmosphere in the storage room.

In one aspect of the heat insulating box of the present invention, the shielding members projecting from both sides in the width direction of the groove may approach or contact each other substantially at the center of the groove. According to this aspect, the shielding performance of the shielding member against the groove is improved. This is advantageous for improving the sanitation of the storage room and maintaining the atmosphere in the storage room.

In one aspect of the heat insulation box of the present invention, the shielding member may include a plurality of thin plates. The plurality of thin plates may be arranged along the longitudinal direction of the groove with the main surface of each thin plate directed vertically. According to this aspect, when the cart is stored in the storage chamber, only the thin plate that receives the external force from the cart can easily deform according to the shape of the cart. Therefore, when the cart is stored in the storage room, the shielding performance of the shielding member against the groove is improved. This is advantageous for improving the sanitation of the storage room and maintaining the atmosphere in the storage room.

In one aspect of the heat insulating box of the present invention, the plurality of thin plates arranged along the longitudinal direction of the groove may be connected via a continuous portion. The continuous portion may be fixed to the bottom plate. According to this aspect, the plurality of thin plates can be easily handled, and the work of fixing the plurality of thin plates to the bottom plate is simple.

In one aspect of the heat insulating box of the present invention, the plurality of thin plates may be divided through a plurality of slits formed in a substantially rectangular plate material. According to this aspect, it is easy to manufacture a plurality of thin plates. In addition, since the inflow and outflow of air through the slits can be reduced, the shielding performance for the grooves of the plurality of thin plates is improved.

In one aspect of the heat insulating box of the present invention, the plurality of thin plates may be stacked vertically to form a multilayer structure. According to this aspect, the shielding properties of the grooves of the plurality of thin plates are improved. This is advantageous for improving the sanitation of the storage room and maintaining the atmosphere in the storage room.

In one aspect of the heat insulating box of the present invention, the plurality of thin plates forming each layer of the multilayer structure may be arranged at a constant pitch in the longitudinal direction of the groove. The plurality of thin plates constituting the first layer of the multilayer structure are displaced in the longitudinal direction of the groove with respect to the plurality of thin plates constituting the second layer vertically adjacent to the first layer. You may have According to this aspect, the shielding properties of the grooves of the plurality of thin plates are improved. This is advantageous for improving the sanitation of the storage room and maintaining the atmosphere in the storage room.

In one aspect of the heat insulating box of the present invention, the shielding member may be made of silicon sponge. Silicon sponge is excellent in elasticity and heat insulation. This is advantageous for improving the sanitation of the storage room and maintaining the atmosphere in the storage room.

In one aspect of the heat insulating box of the present invention, when the door closes the opening, the ends in the longitudinal direction of the groove may not be closed by the door. According to this aspect, the sealing structure by the door can be simplified.

In one aspect of the heat insulating box of the present invention, the shielding member may be provided so as to collide with the cart when the cart is stored in the storage chamber. According to this aspect, the shielding member can receive an external force from the cart and deform according to the shape of the cart. This is advantageous in improving the hygiene of the storage room and maintaining the atmosphere in the storage room when the cart is stored in the storage room.

In one aspect of the heat insulating box of the present invention, the cart includes a tray holding portion for holding a tray, a carriage having the casters, and vertically extending support columns connecting the tray holding portion and the carriage. may be provided. The shield member may be provided so as to collide with the support column when the cart is stored in the storage room. This aspect is advantageous, firstly, in improving the hygiene of the storage room and maintaining the atmosphere in the storage room when the cart is stored in the storage room. It is advantageous to reduce the replacement frequency.

In one aspect of the heat insulating box of the present invention, the cart may be provided with a projection. The protrusion may elastically deform the shielding member when the caster of the cart travels in the groove. According to this aspect, it becomes easy to deform the shielding member as desired.

In one aspect of the heat insulating box of the present invention, when the caster of the cart travels in the groove, the projection may bend and deform the shielding member downward or upward. According to this aspect, the possibility of problems such as damage to the shielding member due to deformation of the shielding member is reduced.

In one aspect of the heat insulating box of the present invention, the projection may have a substantially bow shape. Such an aspect is advantageous for elastically deforming the shielding member.

In one aspect of the heat insulating box of the present invention, two openings communicating with the storage chamber may be provided in two opposing side plates. The groove may extend between the two openings. According to this aspect, it is possible to realize a pass-through type heat insulating box that allows the cart to pass through the heat insulating box.

In one aspect of the heat insulating box of the present invention, the heat insulating box may further include the cart. By combining a heat-insulating box with a cart adapted to the heat-insulating box, the shielding performance of the shield member against the grooves when the cart is stored in the storage chamber is improved. This is advantageous for improving the sanitation of the storage room and maintaining the atmosphere in the storage room.

The present invention will be described in detail below while showing preferred embodiments. However, it goes without saying that the present invention is not limited to the following embodiments. Each figure referred to in the following description shows, for convenience of explanation, the main members constituting the embodiment of the present invention in a simplified manner. Accordingly, the present invention may include optional components not shown in the figures below. Moreover, each member shown in the following figures may be changed or omitted within the scope of the present invention. The same parts are given the same reference numerals in different drawings.

FIG. 1 is a front perspective view of a heat insulating box 1 and a cart 100 according to an embodiment of the present invention. FIG. 2 is a perspective view of the heat insulating box 1 and the cart 100 as seen from the rear side.

The heat insulating box 1 has a generally hollow rectangular parallelepiped shape with a storage chamber 10 inside. Each of the plates surrounding the storage chamber 10 is composed of a heat insulating plate in which a heat insulating material such as foamed resin is sandwiched between an inner plate and an outer plate. The members (for example, the outer and inner plates of the heat insulating plate) constituting the surface exposed to the outside of the heat insulating box 1 and the surface defining the storage chamber 10 are made of rust-proof material such as stainless steel so that they can be washed with water. It is preferably made of a metal material with excellent durability or a material whose surface has been subjected to antirust treatment.

Openings 16 and 17 communicating with the storage chamber 10 are provided in two side plates 11 and 12 of the heat insulating box 1 facing each other. The first opening 16 and the second opening 17 are arranged at positions facing each other. Openings 16 and 17 can be opened and closed by doors 18 and 19 . 1 and 2 show the state in which the doors 18 and 19 are opened. In this embodiment, the doors 18 and 19 are single-opening doors that rotate in a horizontal plane. However, the present invention is not limited to this. It may be a sliding door that moves.

For the convenience of the following description, an XYZ orthogonal coordinate system with the vertical axis as the Z axis is set as illustrated. The Y-axis is parallel to the direction in which the first opening 16 and the second opening 17 face each other. The cart 100 is freely movable in the horizontal plane (XY plane), but as shown in FIG. An XYZ orthogonal coordinate system is set with respect to the cart 100 in a state in which it has been moved. The Y-axis direction is referred to as the "front-rear direction". Regarding the insulation box 1 , the side of the first opening 16 is called the “front” side of the insulation box 1 , and the side of the second opening 17 is called the “back” side of the insulation box 1 . Regarding the cart 100, the front side of the cart 100 in the movement direction when the cart 100 is stored in the storage chamber 10 through the first opening 16 is called the "front" side of the cart 100, and the rear side of the cart 100 in the movement direction. It is called the "back" side.

A bottom plate 20 defines the bottom surface of the storage chamber 10 . Two grooves 21 and 22 are provided in the bottom plate 20 . The grooves 21 and 22 are parallel to the Y-axis and spaced apart from each other in the X-axis direction. The grooves 21 and 22 extend from the front end to the rear end of the bottom plate 20 so as to connect the first opening 16 and the second opening 17 . Therefore, the bottom plate 20 is divided into three parts by the two grooves 21 and 22 into a first bottom plate portion 20a, a second bottom plate portion 20b, and a third bottom plate portion 20c therebetween. A plurality of legs 23 protrude from the lower surface of each of the bottom plate portions 20a, 20b, 20c. The legs 23 separate the lower surface (or the bottom plate 20) of the heat insulating box 1 from the floor surface (not shown) on which the heat insulating box 1 is installed by a predetermined distance. The first groove 21 and the second groove 22 have the same width (dimension in the X-axis direction), and the width is constant in the Y-axis direction. Each of the bottom plate portions 20a, 20b, and 20c is fixed to the floor on which the heat insulating box 1 is installed by a substantially L-shaped fixture 24 so that the grooves 21 and 22 have desired widths.

Food (not shown) is placed on cart 100 . A cart 100 loaded with food is carried into the storage room 10 through the first opening 16 . After a predetermined period of time has passed, the cart 100 is carried out of the storage room 10 through the second opening 17 while the food is placed thereon. In this way, the heat insulating box 1 is a cart-in type heat insulating box that can accommodate the cart 100, and the cart 100 has the first opening 16, the storage chamber 10, and the second opening 17 in this order. It is a pass-through type heat insulation box that can pass through.

The heat-insulating box 1 of the present embodiment is not limited, but can constitute a dough conditioner that stores food in the process of being processed under a predetermined temperature and humidity atmosphere for a predetermined time in the production of food. In this case, the heat insulating box 1 may be installed so as to penetrate the wall separating the preparation area and the heating area. The first opening 16 may open toward the preparation area and the second opening 17 may open toward the heating area. For example, in the production of bread, donuts, pizza, etc., the dough produced in the preparation area is placed on the cart 100 and carried into the heat insulating box 1 through the first opening 16 . The dough fermented in the heat-insulating box 1 is carried out to the heating area through the second opening 17 and subjected to the baking process. In the production of Chinese steamed buns, the encrusted dough produced in the preparation area, in which bean paste is wrapped in dough, is placed on a cart 100 and carried into the heat-insulating box body 1 through the first opening 16.例文帳に追加The encrusted dough fermented in the heat insulating box body 1 is carried out from the second opening 17 to a heating area and subjected to a steaming process.

When the heat-insulating box 1 constitutes a dough conditioner, the heat-insulating box 1 includes a cooler, heater, fan, and A spray nozzle may be provided (none shown).

The cooler is for cooling or dehumidifying the storage room 10 . The configuration of the cooler is not particularly limited, and any known cooler used in cooling devices and refrigerating devices can be used. A cooler generally includes, but is not limited to, a coil through which a coolant passes and a number of fins attached to the outer circumference of the coil. A large number of fins are arranged parallel to each other and spaced apart at a constant pitch. The cooler generally has a substantially rectangular parallelepiped shape as a whole. The cooler constitutes a cooling device together with a compressor that compresses the refrigerant, a condenser that cools the compressed refrigerant gas, and the like. A compressor, a condenser, and the like (none of which are shown) are arranged outside the heat insulating box 1 .

The heater is for heating the interior of the storage room 10 . The heater may be an elongated linear body (or rod-shaped body) in which a heater wire, which is a heating element, and an insulating material are housed in a hollow pipe made of stainless steel or the like. The heater may also be used as a defrost heater that can also defrost the cooler. In this case, the heater can be attached between the fins that make up the cooler.

The cooler and the heater have a first bottom plate portion having a relatively large dimension in the X-axis direction so that when the cart 100 is stored in the storage chamber 10, it faces the food placed on the cart 100 in the X-axis direction. 20a can be located in the space above. In this case, it is preferable that the main surface (the surface having the largest area) of the fins of the cooler be parallel to the XZ plane. A fan may be placed between the cooler and heater and the food product. The fan sends cold air cooled by the cooler and warm air warmed by the heater toward the food to keep the atmosphere in the storage room 10 uniform.

The spray nozzle sprays water in the form of a mist into the storage chamber to humidify the air in the storage chamber 10.例文帳に追加The spray nozzles can be, but are not limited to, positioned above the cooler to spray toward the top surface of the cooler.

Inside the storage room 10, a temperature sensor for measuring the temperature inside the storage room 10, a humidity sensor for measuring the humidity inside the storage room 10, a lighting device for illuminating the inside of the storage room 10, and the like are provided. may be

FIG. 3 shows the vicinity of the first opening 16 of the heat insulation box 1. As shown in FIG. FIG. 4 shows the vicinity of the second opening 17 of the heat insulation box 1. As shown in FIG. The first bottom plate portion 20a and the third bottom plate portion 20c are spaced apart in the X-axis direction, and the first groove 21 is provided therebetween. The second bottom plate portion 20b and the third bottom plate portion 20c are spaced apart in the X-axis direction, and the second groove 22 is provided therebetween. The first and second grooves 21 , 22 are substantially closed by a plurality of thin plates 25 projecting into the first and second grooves 21 , 22 . The thin plate 25 consists of a flexible, easily deformable material.

As shown in FIG. 3, with respect to the first groove 21, a plurality of thin plates 25 protrude from the first bottom plate portion 20a toward the third bottom plate portion 20c, and the plurality of thin plates 25 protrude from the third bottom plate portion 20c. It protrudes from 20c toward the first bottom plate portion 20a. The thin plate 25 is curved and deformed so that its tip is lowered by gravity. The thin plate 25 protruding from the first bottom plate portion 20a and the thin plate 25 protruding from the third bottom plate portion 20c are close to each other at substantially the center in the width direction of the first groove 21, and are preferably in contact with each other. When viewed from above, the first groove 21 is substantially closed by the thin plate 25 protruding from the first bottom plate portion 20a and the thin plate 25 protruding from the third bottom plate portion 20c.

As shown in FIG. 4, for the second groove 22, similarly, a plurality of thin plates 25 protrude from the second bottom plate portion 20b toward the third bottom plate portion 20c. 3 protrudes from the bottom plate portion 20c toward the second bottom plate portion 20b. The thin plate 25 is curved and deformed so that its tip is lowered by gravity. The thin plate 25 protruding from the second bottom plate portion 20b and the thin plate 25 protruding from the third bottom plate portion 20c are close to each other at substantially the center of the second groove 22 in the width direction, and are preferably in contact with each other. When viewed from above, the second groove 22 is substantially closed by the thin plate 25 protruding from the second bottom plate portion 20b and the thin plate 25 protruding from the third bottom plate portion 20c.

FIG. 5 is an exploded perspective view showing the attachment structure of the thin plate 25 closing the first groove 21. As shown in FIG. A second plate member 26b, a first plate member 26a, and a fixing plate 29 are laminated in this order on the first bottom plate portion 20a and the third bottom plate portion 20c, respectively. Each of the plate members 26a and 26b is a thin plate having an elongated, substantially rectangular shape in plan view, and its long side direction is parallel to the Y-axis. A plurality of slits (notches) 27 of a predetermined length extend parallel to the short side direction (X-axis direction) from one long side (long side on the groove 21 side) of each of the plate members 26a and 26b. Thereby, a plurality of thin plates 25 divided by a plurality of slits 27 are formed in each of the plate members 26a and 26b. The width of the slit 27 (dimension in the Y-axis direction) is very small, so it is preferable that the thin plates 25 adjacent in the Y-axis direction are substantially in contact with each other. The thin plates 25 formed on the plate members 26a and 26b are connected via a continuous portion 28 along the long side opposite to the long side in which the slit 27 is formed. A continuous portion 28 of the second plate member 26b and a continuous portion 28 of the first plate member 26a are overlaid on the first bottom plate portion 20a, and a fixing plate 29 is further overlaid on these continuous portions 28, and these are fastened with screws or the like. It is fixed to the first bottom plate portion 20a. Thus, a plurality of thin plates 25 having an upper and lower two-layer structure protrude into the first groove 21 from the first bottom plate portion 20a. The plurality of slits 27 provided in the first plate member 26a and the plurality of slits 27 provided in the second plate member 26b have the same pitch in the Y-axis direction, but the plurality of slits provided in the first plate member 26a 27 is shifted by half a pitch in the Y-axis direction with respect to the plurality of slits 27 provided in the second plate member 26b. Therefore, the thin plate 25 of the second plate member 26b is positioned below the slit 27 of the first plate member 26a, and the slit 27 of the second plate member 26b is positioned below the thin plate 25 of the first plate member 26a. there is The plurality of thin plates 25 protruding from the third bottom plate portion 20c toward the first groove 21 are also the same as above. Although illustration is omitted, the same applies to the plurality of thin plates 25 protruding toward the second groove 22 from each of the second bottom plate portion 20b and the third bottom plate portion 20c. Unlike FIGS. 3 and 4, FIG. 5 shows the thin plate 25 in a flat state without being bent and deformed by gravity.

The material of the thin plate 25 (or the plate members 26a and 26b) preferably has elasticity (or resilience, cushioning properties) capable of being relatively easily deformed when an external force is applied and immediately returning to the initial state when the external force is removed. . Moreover, it is preferable that the material has a heat insulating property. The material of the thin plate 25 (or the plate members 26a and 26b) is not limited, but sponge, natural rubber, synthetic rubber, thermoplastic elastomer, soft resin, etc. can be used, for example. Among them, silicon sponge is preferable.

Returning to FIG. 1 , the cart 100 includes a tray holding portion 110 , a carriage 120 , and a pair of support columns 125 connecting the tray holding portion 110 and the carriage 120 .

The tray holding section 110 includes a plurality of tray receiving bars 111 parallel to each other. The plurality of tray receiving bars 111 are separated from each other in parallel in the horizontal direction (X-axis direction in this embodiment) by a plurality of (six in this embodiment) struts 113 extending in the vertical direction (Z-axis direction). Supported. The struts 113 are arranged in a grid pattern on the horizontal plane (XY plane). In this embodiment, the support column 113 is erected on a substantially rectangular (or substantially U-shaped) frame 115 . Tray receiving bars 111 at the same height facing each other in the horizontal direction (the Y-axis direction in this embodiment) form a “pair” of tray receiving bars 111 . Pairs of the tray receiving bars 111 are arranged at regular intervals in the vertical direction. A tray (not shown) on which food under processing is placed is held by the tray receiving bars 111 constituting each pair so as to be spanned between the tray receiving bars 111 .

The cart 120 includes two horizontal rods 121 parallel to the Y-axis direction, and a plurality of (four in this embodiment) casters (wheels) 122 attached to the lower surface of the horizontal rods 121 (three in FIG. 1). only one caster 122 is visible). The casters 122 can travel in any direction on the floor surface (not shown) on which the heat insulation box 1 is installed. A support column 125 is erected along the vertical direction (Z-axis direction) at a position near the rear end of the horizontal rod 121 on the upper surface of each horizontal rod 121 . The support column 125 has a quadrangular prism shape. A frame 115 is attached to the upper end of the support column 125 . That is, two support columns 125 connect the tray holding section 110 and the carriage 120 .

FIG. 6A is an enlarged perspective view showing the support column 125 and its vicinity. Protrusions 127 are provided on the forward-facing side surface (front surface) and the rearward-facing side surface (rear surface) of the support column 125 . The protrusion 127 has a substantially bow shape. That is, as shown in FIG. 6B, when the protrusion 127 is viewed from above (when viewed from above), the tip 128 of the protrusion 127 (the portion protruding most from the support column 125 in the Y-axis direction) is the tip 128 of the protrusion 127. ), the width (the dimension in the X-axis direction) of the projection 127 is reduced (or substantially isosceles triangle). The protrusion 127 has a maximum width at the connection point with the support column 125, and the maximum width is substantially the same as the dimension of the support column 125 in the X-axis direction. As shown in FIG. 6C, when the protrusion 127 is viewed from the side along the X-axis direction, the lower contour line 129 of the protrusion 127 gradually rises as the tip 128 of the protrusion 127 approaches from the support post 125. . Although illustration is omitted, the cross-sectional shape of the projection 127 along a plane parallel to the XZ plane has a substantially inverted triangle (or substantially "V" shape) with the contour line 129 as the vertex at its lower portion. A projection 127 on the front side of the support column 125 (hereinafter referred to as a “front projection”) and a projection 127 on the rear side of the support column 125 (hereinafter referred to as a “rear projection”) are symmetrical with respect to the support column 125 . In this embodiment, the protrusion 127 is a hollow body formed by bending a thin metal plate, but it may be a solid molded body made of resin or the like.

In this embodiment, the two supporting columns 125 erected on the carriage 120 support the tray holding portion 110, but the number of the supporting columns 125 supporting the tray holding portion 110 is not limited to two. For example, it may be four. Regardless of the number of support posts 125, each support post 125 is preferably provided with protrusions 127 on the front and rear surfaces thereof.

The method of using the heat insulating box 1 will be described by taking as an example the case of fermenting the filling dough for producing Chinese steamed buns in the heat insulating box 1 constituting the dough conditioner.

As shown in FIG. 7 , the first door 18 of the heat insulating box 1 is opened and the cart 100 is made to face the first opening 16 . A second opening 17 (see FIG. 2) of the heat insulating box 1 is closed by a second door 19 . Cart 100 is advanced toward first opening 16 . Although not shown, the tray holding portion 110 of the cart 100 holds a plurality of trays on which the filling dough is placed.

FIG. 8 shows a state in which the cart 100 is stored in the storage chamber 10 of the heat insulation box 1. As shown in FIG. FIG. 9 is an enlarged cross-sectional view of the support post 125 of the cart 100 of FIG. 8 and its vicinity. As can be seen from FIGS. 8 and 9, the two horizontal rods 121 and casters 122 (see FIGS. 6A and 6C) that constitute the carriage 120 of the cart 100 enter the grooves 21 and 22 of the heat insulating box 1. , below the thin plate 25 . The width (dimension in the X-axis direction) of the horizontal rod 121 is smaller than the width (dimension in the X-axis direction) of the grooves 21 and 22, and the distance between the central axes of the two horizontal rods 121 is the distance between the central axes of the grooves 21 and 22. roughly agrees with The horizontal rod 121 and casters 122 are movable in the grooves 21 and 22 in the Y-axis direction.

A projection 127 provided on the support column 125 is positioned at substantially the same height as the thin plate 25 closing the grooves 21 and 22 . When the cart 100 moves (that is, advances) in the direction of the arrow on the Y axis, the protrusions (front protrusions) 127 projecting forward collide with the thin plates 25 provided along the longitudinal direction of the grooves 21 and 22 in sequence. . As described above, the forward protrusion 127 has a substantially bow shape. When the front projection 127 collides with the thin plate 25, the thin plate 25 receives a downward force from the front projection 127, bends and deforms such that the tip of the thin plate 25 descends and the thin plate 25 moves outward in the width direction of the groove. For example, in the second groove 22, the thin plate 25 projecting from the second bottom plate portion 20b toward the second groove 22 collides with the front projection 127, so that the tip of the thin plate 25 descends and the thin plate 25 moves to the second groove. It is bent and deformed so as to move toward the bottom plate portion 20b. Similarly, the tip of the thin plate 25 protruding from the third bottom plate portion 20c toward the second groove 22 also descends and the thin plate 25 moves toward the third bottom plate portion 20c when the forward protrusion 127 collides with it. It bends and deforms to do. The thin plate 25 closing the first groove 21 is also bent and deformed in the same manner. The front protrusions 127 bend and deform the thin plates 25 protruding toward the grooves (21, 22) from both sides in the width direction of the grooves (21, 22). The front protrusion 127 , the support column 125 , and the rear protrusion 127 sequentially pass between the thin plates 25 on both sides of the grooves ( 21 , 22 ) that have been bent and deformed while being in contact with the thin plates 25 . As described above, the projection (rear projection) 127 projecting rearward from the support column 125 also has a substantially bow shape. As the rear projection 127 passes, the degree of bending deformation of the thin plate 25 gradually decreases according to the shape of the rear projection 127, and when the rear projection 127 has passed, the thin plate 25 returns to its initial state. As shown in FIG. 9, only the thin plate 25 facing the front projection 127, the support post 125, and the rear projection 127 in the X-axis direction is shaped according to the shape of the front projection 127, the support post 125, and the rear projection 127. deformation. If the cart 100 is moved backward (moved in the direction opposite to the direction of the Y-axis arrow), the thin plate 25 is deformed in the same manner as when the cart 100 is moved forward.

The heat insulating box body 1 of the present invention can store two carts 100 side by side in the Y-axis direction in the storage room 10 . After the cart 100 is stored in the storage room 10 as shown in FIG. 8, the first door 18 is closed as shown in FIG. The inside of the storage chamber 10 is controlled to a desired temperature and humidity and left for a predetermined period of time to ferment the encrusted dough. After that, the second door 19 (see FIG. 2) is opened. The cart 100 carrying the fermented encrusted dough is carried out from the storage room 10 through the second opening 17 to the outside of the heat insulating box body 1.例文帳に追加The stuffed dough is carried into a steamer and heated.

As described above, in the heat insulating box 1 of the present embodiment, the grooves 21 and 22 are provided in the bottom plate 20 that defines the bottom surface of the storage chamber 10 . When the cart 100 is taken in and out of the storage room 10 and when the cart 100 is moved within the storage room 10 , the casters 122 of the cart 100 run inside the grooves 21 and 22 . The bottom surfaces of the grooves 21 and 22 along which the casters 122 run (in this embodiment, the floor surface on which the heat insulating box 1 is installed) are lower than the bottom surface of the storage room 10 (that is, the upper surface of the bottom plate 20). In this embodiment, when the cart 100 is stored in the storage room 10 , the casters 122 do not need to climb onto the bottom plate 20 of the storage room 10 . Therefore, the slope projecting outward from the opening of the storage chamber, which is required in the conventional heat insulating box body, is not required in this embodiment. Since there is no ramp, the orientation of the cart 100 can be freely changed in the immediate vicinity of the openings 16,17. It is possible to reduce the area required for installing the heat insulating box body 1 including the space for turning the cart 100 . Furthermore, since workers do not trip over the slope, the heat insulating box 1 is excellent in safety.

In this embodiment, the floor on which the heat insulating box 1 is installed constitutes the bottoms of the grooves 21 and 22, but the present invention is not limited to this. For example, as shown in FIG. 11, the inner surfaces of the grooves 21 and 22 may be composed of a groove member 31 . The groove member 31 can be manufactured, for example, by bending a thin metal plate so as to have a substantially "U"-shaped cross section. The groove member 31 extends over the entire length of the grooves 21,22. In FIG. 11 , a bottom plate portion 32 of the groove member 31 (the portion of the groove member 31 facing the thin plate 25 in the vertical direction) constitutes the bottom surfaces of the grooves 21 and 22 . Preferably, the bottom plate portion 32 is in contact with the floor on which the heat insulating box 1 is installed. Since the bottom plate portion 32 is thin, the casters 122 of the cart 100 can easily climb over the step between the floor surface on which the heat insulating box 1 is installed and the bottom plate portion 32 . Therefore, even in the configuration of FIG. 11, no slope is required. The groove member 31 forming the first groove 21 connects the first bottom plate portion 20a and the third bottom plate portion 20c. A groove member 31 forming the second groove 22 connects the second bottom plate portion 20b and the third bottom plate portion 20c. The first, second and third bottom plate portions 20 a , 20 b , 20 c that constitute the bottom plate 20 are connected via a groove member 31 . Therefore, the groove member 31 facilitates alignment between the first, second, and third bottom plate portions 20a, 20b, and 20c when installing the heat insulating box 1, compared to the case where the groove member 31 is not used.

In this embodiment, a thin plate 25 as a shielding member protrudes toward the grooves 21 and 22 to close the grooves 21 and 22 . The thin plate 25 divides the storage chamber 10 and the inner cavities of the grooves 21 and 22 . The thin plate 25 has the following effects.

Firstly, the thin plate 25 is advantageous in improving the sanitation of the storage room 10 . Since the casters 122 run on the floor surface outside the heat insulation box 1, dust on the floor surface may adhere to the casters 122. - 特許庁In this case, when the cart 100 is carried into the storage room 10, the casters 122 carry the dust into the grooves 21 and 22.例文帳に追加Dust accumulates in the grooves 21 , 22 while attached to the caster 122 or away from the caster 122 . Unlike the present embodiment, if the thin plate 25 is not provided, dust will be blown up into the storage chamber 10 by the airflow of the fan that constitutes the cooler installed in the storage chamber 10, and the food and food placed on the cart 100 will be blown up. There is a possibility that it will adhere to the inner wall of the storage room 10 . In contrast, in this embodiment, a thin plate 25 is provided between the storage chamber 10 and the inner lumens of the grooves 21 and 22 . The caster 122 is below the thin plate 25 (within the grooves 21 and 22). Therefore, the thin plate 25 prevents the dust in the grooves 21 and 22 from rising into the storage chamber 10 . Therefore, the possibility of dust adhering to the food in the storage room 10 and the inner wall of the storage room 10 is low. It is easy to maintain good sanitary conditions in the storage room 10 . The heat insulating box 1 is excellent in food sanitation.

Secondly, the thin plate 25 is advantageous in maintaining a desired atmosphere within the storage chamber 10 with respect to temperature, humidity, and the like. Since the thin plate 25 blocks air movement between the storage room 10 and the grooves 21, 22, it prevents cold air or warm air in the storage room 10 from leaking out of the heat insulating box body 1 through the grooves 21, 22. - 特許庁. It is easy to maintain the desired atmosphere in the storage room 10, and the power consumption required for that purpose can be reduced. When the doors 18 and 19 are closed, if the doors 18 and 19 are in close contact with the bottom plates 20a, 20b, and 20c and the thin plate 25 that define the lower ends of the openings 16 and 17 in the Y-axis direction, the inside of the storage room 10 and the outside world are closed. can substantially block the flow of air between When the doors 18 and 19 are closed, the doors 18 and 19 are separated from the floor surface in the vertical direction, and the inner spaces of the grooves 21 and 22 (or the space between the bottom plate 20 and the floor surface) are opened through the gaps between them. ) communicates with the outside world, this does not substantially adversely affect the maintenance of the atmosphere within the storage chamber 10 . Therefore, the closed structure of the storage room 10 by the doors 18 and 19 can be simplified.

The thin plate 25 is made of an elastically deformable material that is deformed by an external force and returns to its initial state when the external force is removed. Therefore, as described above, when the cart 100 is carried into the storage room 10 , only the thin plate 25 that receives the external force from the cart 100 deforms while being in close contact with the outer surface of the cart 100 . The gap between cart 100 and lamina 25 is negligibly small. Such a thin plate 25 is advantageous in improving the sanitation of the storage room 10 and maintaining the atmosphere inside the storage room 10 .

In the present invention, the thin plate 25 may protrude from only one side of each of the grooves 21 and 22 in the width direction toward the other side. Preferably, however, the thin plates 25 protrude toward the centers of the grooves 21 and 22 from both sides in the width direction of the grooves 21 and 22, respectively, as in the above embodiment. In this configuration, the thin plate 25 has a higher characteristic (shielding property) to block the grooves 21 and 22 than the configuration in which the thin plate 25 protrudes from only one side of the grooves 21 and 22 in the width direction. This is particularly noticeable when the cart 100 is stored in the storage room 10 . The thin plate 25 having a high shielding property is advantageous for improving the sanitation of the storage room 10 and maintaining the atmosphere inside the storage room 10 .

In the present invention, the thin plate 25 projecting from one widthwise side of the grooves 21 and 22 and the thin plate 25 projecting from the other widthwise side of the grooves 21 and 22 may be separated from each other. However, preferably, when the cart 100 is not stored in the storage chamber 10 as in the above-described embodiment, the thin plates 25 protruding from both sides of the grooves 21 and 22 in the width direction are positioned substantially in the center of the grooves 21 and 22. are close to or in contact with each other. This is advantageous for improving the shielding properties of the thin plate 25 against the grooves 21 and 22 . Parts of the thin plate 25 projecting from both sides in the width direction of the grooves 21 and 22 may overlap each other in the vertical direction at approximately the center of the grooves 21 and 22 . This is more advantageous for improving the shielding properties of the thin plate 25 against the grooves 21 and 22 .

In the present invention, the configuration of the thin plate 25 that constitutes the shielding member is arbitrary. For example, the shielding member may consist of a single thin plate that is continuous over the entire length of the grooves 21 and 22 and is not divided by the slits 27 . However, preferably, as in the above-described embodiment, the shielding members protruding from both sides of the grooves 21 and 22 in the width direction are composed of a plurality of thin plates 25, and the plurality of thin plates 25 are formed on the main surfaces of the respective thin plates 25 ( The thin plates 25 are arranged along the longitudinal direction of the grooves 21 and 22 with the surface of the thin plate 25 having the largest area facing up and down. Therefore, each of the plurality of thin plates 25 can be easily deformed upward or downward independently of each other. When the cart 100 is stored in the storage chamber 10, only the thin plate 25 that receives the external force from the cart 100 deforms appropriately according to the shape of the cart 100. - 特許庁Therefore, the plurality of thin plates 25 of the present embodiment have a high shielding property against the grooves 21 and 22 especially when the cart 100 is stored in the storage chamber 10 .

In the present invention, each of the plurality of thin plates 25 protruding from one side in the width direction of the grooves 21 and 22 may be manufactured separately and may be separated and independent from each other. In this case, the plurality of thin plates 25 are arranged one by one on the bottom plate 20 (bottom plate portions 20a, 20b, 20c) along the longitudinal direction of the grooves 21, 22 and fixed. However, preferably, the plurality of thin plates 25 are connected via the continuous portion 28 as in the above embodiment. A plurality of thin plates 25 can be installed by fixing the continuous portion 28 on the bottom plate 20 (bottom plate portions 20a, 20b, and 20c in this embodiment). Since the plurality of thin plates 25 are connected by the continuous portion 28 to form a unit, the plurality of thin plates 25 can be easily handled, and the work of fixing the plurality of thin plates 25 to the bottom plate 20 is simple.

A plurality of thin plates 25 connected via a continuous portion 28 can be manufactured by forming a plurality of slits 27 in substantially rectangular plate members 26a and 26b. The slit 27 can be formed by, for example, Thomson processing or shearing processing. Therefore, it is easy to manufacture the plurality of thin plates 25 . In addition, since the adjacent thin plates 25 can be brought into substantial contact with each other through the slits 27, the amount of air passing through the slits 27 is small. For this reason, the shielding member of this embodiment has a high shielding property against the grooves 21 and 22 although it is composed of a plurality of thin plates 25 .

In the present invention, the plurality of thin plates 25 may have a single-layer structure that is not stacked vertically. However, preferably, the plurality of thin plates 25 have a multi-layer structure stacked vertically as in the above embodiment. The multi-layer thin plate 25 is more advantageous than the single-layer thin plate 25 in improving the shielding properties for the grooves 21 and 22 . The number of layers constituting the multilayer structure is not limited as long as it is two layers or more, but preferably three layers or less. As the number of layers increases, not only does the degree of improvement in shielding against the grooves 21 and 22 gradually decline, but mounting and maintenance of the thin plate 25 become complicated.

In the present invention, there is no restriction on the arrangement of the thin plates 25 that constitute each layer of the multilayer structure. For example, the dimension and position of the thin plate 25 in the Y-axis direction (longitudinal direction of the groove) and the position of the slit 27 in the Y-axis direction may be the same or different between the layers constituting the multilayer structure. . However, preferably, as in the above embodiment, the plurality of thin plates 25 (or the plurality of slits 27) that constitute the first layer of the multi-layer structure are aligned with the second layer arranged below the first layer. It is displaced in the Y-axis direction with respect to the plurality of thin plates 25 (or the plurality of slits 27) that constitute it. Here, another layer may be interposed between the first layer and the second layer, but preferably the first layer and the second layer are vertically adjacent to each other. More preferably, the thin plate 25 forming the first layer and the thin plate 25 forming the second layer are close to each other in the vertical direction, particularly preferably in contact with each other. In such a configuration, the thin plate 25 of the second layer is positioned below the slit 27 of the first layer, and the slit 27 of the second layer is positioned below the thin plate 25 of the first layer. Therefore, the movement of air through the slit 27 is reduced. This is more advantageous for improving the shielding properties of the thin plate 25 against the grooves 21 and 22 .

Preferably, as in the above embodiment, a plurality of thin plates 25 (or a plurality of slits 27) constituting the first layer and a plurality of thin plates 25 (or a plurality of slits 27) constituting the second layer have the same arrangement pitch in the Y-axis direction, but are displaced from each other in the Y-axis direction. Such a first layer and a second layer can be easily constructed by displacing the same plate members (plate members 26a and 26b) on which a plurality of thin plates 25 are formed in the Y-axis direction. The amount of positional deviation of the thin plate 25 (or slit 27) of the first layer in the Y-axis direction with respect to the thin plate 25 (or slit 27) of the second layer is not limited. It may be set to approximately half the pitch of the directions.

In the present invention, when the doors 18 and 19 close the openings 16 and 17 of the heat insulation box 1, the doors 18 and 19 may also close the ends of the grooves 21 and 22 in the longitudinal direction. However, preferably, when the doors 18, 19 close the openings 16, 17 of the insulating box 1, the longitudinal ends of the grooves 21, 22 are closed by the doors 18, 19 as in the above embodiment. It may be configured not to In the present invention, regardless of whether or not the cart 100 is stored in the storage room 10, the shielding member (thin plate 25) blocks air movement between the storage room 10 and the grooves 21 and 22. Even if the ends of the grooves 21 and 22 in the longitudinal direction (furthermore, the space between the bottom plate 20 and the floor surface communicating with the grooves 21 and 22) are not closed by the doors 18 and 19, Maintaining the atmosphere is easy. For this reason, the sealing structure by the doors 18 and 19 can be simplified.

When the cart 100 is stored in the storage chamber 10, the thin plate 25 collides with the cart 100. - 特許庁In the present invention, there is no restriction as to which part of the cart 100 the sheet 25 hits. However, preferably, when the cart 100 is stored in the storage chamber 10 as in the above embodiment, the thin plate 25 collides with the support column 125 of the cart 100 . Since the longitudinal dimensions of the grooves 21 and 22 of the support column 125 are small, the number of thin plates 25 deformed by the cart 100 when the cart 100 is stored in the storage chamber 10 is small. This has the following effects.

First, it is possible to reduce the deterioration of the shielding performance of the grooves 21 and 22 due to the deformation of the thin plate 25 . In general, when the thin plate 25 is deformed by the cart 100 , the space between the thin plates 25 adjacent to each other across the slit 27 widens or a gap is formed between the thin plate 25 and the cart 100 . of the grooves 21 and 22 may be reduced. This decrease in shielding performance is smaller as the number of sheets 25 deformed by the cart 100 is smaller. A small decrease in shielding properties is advantageous for improving the hygiene of the storage room 10 and maintaining the atmosphere in the storage room 10 when the cart 100 is stored in the storage room 10 .

Secondly, the replacement frequency of the thin plate 25 can be reduced. Generally, the cart 100 continues to be stored in the storage room 10 for a predetermined period of time. During this time, the thin plate 25 that receives the external force from the cart 100 remains deformed. If the thin plate 25 is left in a deformed state for a long time, the thin plate 25 is likely to be permanently deformed, and the ability to recover to the initial state is reduced. This causes a decrease in shielding performance of the thin plate 25 with respect to the grooves 21 and 22 . The fewer sheets 25 that are deformed by the cart 100, the fewer sheets 25 that need to be replaced due to reduced recovery. Therefore, the maintenance cost for exchanging the thin plate 25 can be reduced, and the deterioration of the operating rate of the heat insulating box body 1 due to the exchanging of the thin plate 25 can be suppressed.

In the present invention, it is not essential that the cart 100 is provided with the protrusion 127 . Preferably, however, the cart 100 is provided with protrusions 127 as in the above embodiment, and the protrusions 127 elastically deform the thin plate 25 when the casters 122 run in the grooves 21 and 22 . Unlike the present embodiment, if the cart 100 is not provided with the protrusion 127, the thin plate 25 receives an excessive force from the moving cart 100 in the moving direction of the cart 100, and in the worst case, it may be damaged. There is By providing the projections 127 on the cart 100, the thin plate 25 can be easily deformed (for example, bent downward) in a desired manner. can be reduced.

When the projection 127 is provided on the cart 100 , the projection 127 preferably protrudes forward in the movement direction of the cart 100 within the storage room 10 . This is because the thin plates 25 that sequentially collide with the cart 100 can be deformed when the cart 100 is moved. Preferably, two projections (i.e., forward projection 127 and rearward projection 127) project in both forward and backward directions of cart 100 along grooves 21, 22, as in the previous embodiment. are provided on cart 100 . This facilitates the desired deformation of the thin plate 25 by the protrusions 127 when the cart 100 is moved forward or backward within the storage chamber 10 . When the cart 100 is provided with a projection (rearward projection) 127 projecting rearward in the movement direction, the thin plate 25 returns to its initial state while being in close contact with the rearward projection 127. The gap formed between the This is advantageous in suppressing deterioration of the shielding ability of the thin plate 25 with respect to the grooves 21 and 22 .

The protrusions 127 may deform the thin plate 25 in any direction (eg, horizontally or vertically). However, preferably, when the casters 122 of the cart 100 travel in the grooves 21 and 22 as in the above embodiment, the projections 127 elastically deform the thin plate 25 downward. The thin plate 25 is provided with its main surface directed vertically. Further, the thin plate 25 is slightly bent downward due to its own weight while not in contact with the cart 100 . Therefore, it is relatively easy to deform the thin plate 25 downward, and the possibility of problems such as breakage of the thin plate 25 due to deformation is reduced.

The present invention does not limit the shape of the protrusion 127 . However, preferably, the protrusion 127 has a substantially bow shape with a pointed tip as in the above embodiment. The substantially bow-shaped protrusion 127 is advantageous for bending the thin plate 25 downward. It should be noted that the substantially bow-shaped projection 127 may be provided on the cart 100 upside down from the above embodiment so that the outline 129 (see FIG. 6) faces upward. In this case, the protrusion 127 bends and deforms the thin plate 25 so as to flip it upward.

The heat insulating box of the present invention is a cart-in type heat insulating box in which the cart 100 can be stored in the storage room 10 . In the above-described embodiment, a pass-through type heat insulating box body having openings 16 and 17 provided in the side plates 11 and 12 so that the cart 100 can pass through the heat insulating box body 1 is shown, but the heat insulating box body of the present invention It is not limited to this. The heat insulating box of the present invention is a non-pass-through system having only one opening through which the cart 100 can be taken in and out of the storage chamber 10 (for example, the side plate 12 in the above embodiment does not have the opening 17). It may be a heat insulating box.

The above embodiments are exemplary only. The present invention is not limited to the above embodiments, and can be modified as appropriate.

In the above embodiment, the heat-insulating box 1 constitutes a dough conditioner, but the application of the heat-insulating box of the present invention is not limited to this. For example, the heat-insulating box of the present invention can be applied to any device such as a refrigerator, a freezer, and a storage that requires a constant atmosphere in a storage room. A known structure such as a cooling device or a heater is provided inside or outside the storage chamber depending on the application of the device.

In the above-described embodiment, a plurality of thin plates 25 are used as shielding members for closing the grooves 21 and 22, but the structure of the shielding member is not limited to this. The shielding member can reduce the inflow and outflow of air between the storage chamber 10 and the inner lumens of the grooves 21 and 22, and when the cart 100 is stored in the storage chamber 10, the cart 100 can be kept in close contact with the cart 100. It is desirable to be able to deform according to the shape of the

For example, a large number of brush bristles can be used as the shielding member. A large number of brush bristles are provided so as to protrude from the bottom plate portions 20a, 20b, 20c toward the grooves 21, 22 (substantially parallel to the X-axis direction). The bristles are densely arranged so that the inflow and outflow of air through the bristles is reduced. When the cart 100 is stored in the storage chamber 10, the brush bristles receive an external force from the cart 100 and are elastically bent and deformed in the Z-axis direction or the Y-axis direction. The material of the brush bristles is not limited, but resin (eg, nylon) or metal (eg, stainless steel) can be used.

The shielding member may be configured to compressively deform, for example, in the X-axis direction (the width direction of the grooves 21 and 22) instead of being bent in the Z-axis direction or the Y-axis direction by the cart 100. For example, a shielding member made of sponge (or substantially rectangular parallelepiped) having a relatively large vertical dimension may be provided so as to protrude from the bottom plate portions 20a, 20b, 20c toward the grooves 21, 22. As shown in FIG.

In the above embodiment, the shielding member (thin plate 25) collides with the support column 125 of the cart 100, but the portion of the cart 100 that the shielding member collides with is not limited to this. For example, the shielding member may be configured to collide with the horizontal pole 121 (see FIG. 1) of the cart 100 . In this case, it is preferable that protrusions 127 are provided on both longitudinal end surfaces of the horizontal rod 121 .

The configuration of the cart that can be used for the heat insulating box of the present invention is not limited to the above embodiments. It is preferable to use a cart suitable for the position and width of the groove provided in the bottom plate in the X-axis direction, the height of the shielding member projecting toward the groove, and the like. A preferred combination of insulating box and cart may exist. For this reason, it is preferable that the heat insulating box of the present invention is sold and used in combination with a cart adapted to the heat insulating box.

The use of the heat insulating box of the present invention is not limited, but in the field of food manufacturing, for storing food (for example, frozen or refrigerated storage), or for predetermined processing (for example, fermentation) of food can be used for Of course, it is also possible to use the insulating box of the present invention to store items other than food (eg, chemical products, drugs).

1 Insulation Box 10 Storage Chambers 11, 12 Side Plates 16, 17 Openings 18, 19 Door 20 Bottom Plates 21, 22 Groove 25 Thin Plate (Shielding Member)
26a, 26b Plate material 27 Slit 28 Continuous part 100 Cart 110 Tray holding part 120 Cart 122 Caster 125 Support column 127 Projection

Claims (17)

A heat insulating box body comprising a storage room, an opening communicating with the storage room, and a door capable of opening and closing the opening, wherein a cart equipped with casters can be taken in and out of the storage room through the opening. ,
The heat insulating box body is
a bottom plate that defines the bottom surface of the storage room;
grooves provided in the bottom plate so that the casters of the cart can run;
and a deformable shielding member projecting toward the groove so as to close the groove. 2. The heat insulating box according to claim 1, wherein the shielding member protrudes from both sides of the groove in the width direction. 3. The heat insulating box according to claim 2, wherein said shielding members protruding from both sides of said groove in the width direction are close to or in contact with each other substantially at the center of said groove. The shielding member includes a plurality of thin plates,
The heat insulating box according to any one of claims 1 to 3, wherein the plurality of thin plates are arranged along the longitudinal direction of the groove with the main surface of each thin plate directed vertically. The plurality of thin plates arranged along the longitudinal direction of the groove are connected via a continuous portion,
The heat insulating box according to claim 4, wherein the continuous portion is fixed to the bottom plate. 6. The heat insulating box according to claim 4, wherein the plurality of thin plates are divided through a plurality of slits formed in a substantially rectangular plate material. The heat insulating box according to any one of claims 4 to 6, wherein the plurality of thin plates are stacked vertically to form a multi-layer structure. The plurality of thin plates constituting each layer of the multilayer structure are arranged at a constant pitch in the longitudinal direction of the groove,
The plurality of thin plates constituting the first layer of the multilayer structure are displaced in the longitudinal direction of the groove with respect to the plurality of thin plates constituting the second layer vertically adjacent to the first layer. The heat insulating box according to claim 7. The heat insulating box according to any one of claims 1 to 8, wherein the shielding member is made of silicone sponge. The heat insulating box according to any one of claims 1 to 9, wherein when the door closes the opening, the ends of the groove in the longitudinal direction are not closed by the door. The heat insulating box according to any one of claims 1 to 10, wherein the shield member is provided so as to collide with the cart when the cart is stored in the storage chamber. The cart includes a tray holding portion for holding a tray, a carriage having the casters, and a vertically extending support column connecting the tray holding portion and the carriage,
The heat insulating box according to any one of claims 1 to 11, wherein the shield member is provided so as to collide with the support column when the cart is stored in the storage room. The cart is provided with a protrusion,
The heat insulating box according to any one of claims 1 to 12, wherein the projection elastically deforms the shielding member when the caster of the cart travels in the groove. 14. The heat insulating box according to claim 13, wherein when the casters of the cart travel in the grooves, the projections bend and deform the shielding member downward or upward. The heat insulating box body according to claim 13 or 14, wherein the projection has a substantially bow shape. Two openings leading to the storage chamber are provided in two opposing side plates,
The insulating box according to any one of claims 1 to 15, wherein said groove extends between said two openings. The heat insulating box according to any one of claims 1 to 16, further comprising the cart.

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