JP2015017757A - Cool box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To preferably cool the inside of a cool box body by reducing vibration of cold storage containers even vibration is applied to the cool box body.SOLUTION: A cool box comprises: a cool box body 10 having a rectangular parallelepiped heat insulation structure and being movable by means of casters 13 provided below; a plurality of cold storage containers 30 provided in the cool box body 10, each accommodating a cold storage agent so as to cool the internal atmosphere of the cool box body 10 to a desired temperature with the cold stored in the cold storage agent; and guide units 20, having guide rails 21 provided on internal faces of both lateral side walls 15 of the cool box body 10 and extending in the vertical direction, which slidably move the cold storage containers 30 along the extending direction of the respective guide rails 21.

Description

  The present invention relates to a cold storage.

  2. Description of the Related Art Conventionally, a cool box that is loaded and transported on a vehicle such as a truck is configured to include a cool box body and a cold storage container. The cool box body has a rectangular main body cabinet with an opening formed on the front and a heat insulating door that opens and closes the front opening of the main body cabinet, and is moved by a caster disposed at the bottom. It is possible. The cold storage container is configured to store a cold storage agent therein, and is attached to the ceiling inner surface of the main body cabinet (cold storage main body) via a support rack.

  In such a cool box, cold heat is stored in the cool storage agent by a refrigeration apparatus, etc., the inside of the cool cooler body is cooled to a desired temperature by the cool heat stored in the cool storage agent, and the product accommodated therein is cooled. (For example, refer to Patent Document 1).

JP 2006-64314 A

  By the way, in the cool box as described above, since the cool storage container is attached to the ceiling inner surface of the main body cabinet by the support rack, the support rack supports the entire weight of the cool storage container. Therefore, when the vehicle is running in the above cool box, there is a risk that the support rack may vibrate greatly due to resonance or the like due to the vibration caused by the running, and there is a possibility that the cooling inside the cool box body may be defective. It was.

  In view of the above circumstances, the present invention has an object to provide a cool box capable of reducing the vibration of the cold storage container and cooling the inside of the cool box body well even if the cool box body is vibrated. To do.

  In order to achieve the above object, a cold storage according to the present invention has a rectangular heat insulation structure and can be moved by a caster disposed at a lower portion, and each of which stores a cold storage agent. A cold storage provided with a plurality of cold storage containers disposed in the cold storage main body and cooling the internal atmosphere of the cold storage main body to a desired temperature by the cold stored in the cold storage agent, the cold storage A guide unit having guide rails provided in a manner extending along the vertical direction on each of the inner surfaces of at least two side walls of the main body, and a guide unit that slides the cold storage container along the extending direction of each guide rail is provided. It is characterized by that.

  Further, the present invention provides the heat insulation that is arranged to be movable in the vertical direction in the upper region of the cold storage container that is slid by the guide unit and that divides the inside of the cold storage body up and down in the cold storage. A characteristic partition member is provided.

  Moreover, the present invention is characterized in that, in the above cold storage, the partition member moves along the extending direction of the guide rail in accordance with the sliding movement of the cold storage container.

  According to the present invention, the guide unit has guide rails provided in a manner extending along the vertical direction on the inner surfaces of at least two side walls of the cool box body, and extends along the extending direction of each guide rail. Since the cool storage container is slid, the vibration of the cool storage container can be reduced by the rigidity of the cool box body. Therefore, even if vibration is given to the cool box main body, the effect of reducing the vibration of the cool storage container and cooling the inside of the cool box main body satisfactorily can be achieved.

FIG. 1 is a front view schematically showing the internal structure of a cool box as an embodiment of the present invention. FIG. 2 is a cross-sectional side view showing the case where the internal structure of the cool box as an embodiment of the present invention is viewed from the side. FIG. 3 is an enlarged perspective view showing a guide rail constituting the guide unit shown in FIGS. 1 and 2. FIG. 4 is a front view showing a case where the slider constituting the guide unit shown in FIGS. 1 and 2 is viewed from the front. FIG. 5 is an explanatory diagram showing a case where the slider constituting the guide unit shown in FIGS. 1 and 2 is viewed from the side wall side.

  Exemplary embodiments of a cool box according to the present invention will be described below in detail with reference to the accompanying drawings.

  FIG. 1 is a front view schematically showing the internal structure of a cool box as an embodiment of the present invention, and FIG. 2 is a side view of the internal structure of the cool box as an embodiment of the present invention. FIG. The cool box illustrated here is for holding the product accommodated in a state cooled to a desired temperature, and includes a cool box main body 10, a guide unit 20, a cold storage container 30, and a heat insulating partition member 40. It is configured.

  The cool box main body 10 includes a main body cabinet 11 and a heat insulating door 12. The main body cabinet 11 is configured in a rectangular parallelepiped shape having an open front surface by appropriately combining a plurality of metal plates, and a heat insulating structure (not shown) formed in advance in a plate shape is disposed on the inner surface of the main body cabinet 11. It is what you have. The heat insulation board is obtained by attaching a resin film or kraft paper as a face material to both front and back surfaces of a plate-like member formed of a heat insulating material such as urethane foam.

  A caster 13 is disposed below the main body cabinet 11, and the main body cabinet 11 is movable.

  The heat insulating door 12 has a heat insulating structure and is large enough to cover the front opening of the main body cabinet 11. The heat insulating door 12 is swingably disposed at the left front end of the main body cabinet 11 and is a door body for opening and closing the front opening of the main body cabinet 11. A handle 14 is provided at a predetermined portion on the front surface of the heat insulating door 12.

  The cool box main body 10 including the main body cabinet 11 and the heat insulating door 12 has a rectangular heat insulating structure and can be moved by a caster 13.

The guide unit 20 includes a guide rail 21 and a slider 22. A plurality of guide rails 21 (four in the illustrated example) are provided and extend in the vertical direction on the inner surfaces of the left and right side walls 15 of the cool box main body 10 (main body cabinet 11) in a pair of front and rear directions. .

  FIG. 3 is an enlarged perspective view showing the guide rail 21 constituting the guide unit 20 shown in FIGS. 1 and 2. FIG. 3 shows one guide rail 21, but the other guide rails 21 have the same configuration.

  As shown in FIG. 3, the guide rail 21 includes a rail substrate 211, a front rail portion 212, and a rear rail portion 213. The rail substrate 211 is a long plate member whose vertical direction is the longitudinal direction. The rail substrate 211 is disposed on the left and right side walls 15 so as to extend in the vertical direction.

  The front rail portion 212 is formed by bending a steel plate or the like, and has a long shape whose vertical direction is the longitudinal direction. The front rail portion 212 includes a front base portion 212a joined to the rail substrate 211, a front inward extension portion 212b extending inward from a rear end edge of the front base portion 212a, and the front inward extension portion 212b. And a front rearward extending portion 212c extending rearward from the extending end portion.

  The rear rail portion 213 is formed by bending a steel plate or the like, and has a long shape whose vertical direction is the longitudinal direction. The rear rail portion 213 includes a rear base portion 213a joined to the rail substrate 211, a rear inward extension portion 213b extending inward from a front end edge portion of the rear base portion 213a, and a rear inward extension portion 213b. It has the back front extension part 213c extended toward the front from the extension end part.

  Here, the inward extending lengths of the front inward extending portion 212b in the front rail portion 212 and the rear inward extending portion 213b in the rear rail portion 213 are substantially the same, and The extension lengths of the front rear extension 212c and the rear front extension 213c of the rear rail 213 are substantially the same. Further, a gap S is formed between the rear end edge portion of the front rear extension portion 212 c in the front rail portion 212 and the front end edge portion of the rear front extension portion 213 c in the rear rail portion 213.

  In the rail substrate 211, a plurality of restriction holes 214 are formed at equal intervals along the vertical direction in an exposed region between the front rear extension 212c and the rear front extension 213c. These restriction holes 214 allow insertion of restriction pins 215, respectively.

  4 and 5 show the slider 22 constituting the guide unit 20 shown in FIGS. 1 and 2, respectively. FIG. 4 is a front view showing the slider 22 as viewed from the front. These are explanatory drawings which show the case where the slider 22 is seen from the side wall 15 side.

  As shown in FIGS. 4 and 5, the slider 22 has a horizontal extending portion 221 and an inclined extending portion 222. The horizontal extending part 221 is configured by bending a steel plate or the like, and extends along the left-right direction. The upper surface of the horizontal extending portion 221 constitutes a mounting surface for the cold storage container 30 as described later. The base end portion of the horizontal extending portion 221 is provided with a front slide piece 221a that protrudes forward and a rear slide piece 221b that protrudes rearward. A curved locking recess 221c is formed at the lower edge of the base end.

The inclined extending portion 222 is configured by bending a steel plate or the like, and the distal end portion enters the horizontal extending portion 221 and is connected by the connecting pin 223, and as it goes toward the proximal end portion. That is, it extends in such a manner that it gradually inclines downward toward the side wall 15 on which it is disposed. A front slide piece 222a that protrudes forward and a rear slide piece 222b that protrudes rearward are provided at the base end portion of the inclined extension portion 222, and the base end portion includes
A curved locking recess 222c is formed at the lower edge.

  In such a guide unit 20, the front slide pieces 221 a and 222 a of the slider 22 (the horizontal extension portion 221 and the inclined extension portion 222) are located between the front rear extension portion 212 c of the front rail portion 212 and the rail substrate 211. The slider 22 is slid in the extending direction (vertical direction) of the guide rail 21 when the rear slide pieces 221b and 222b enter between the rear front extending portion 213c of the rear rail portion 213 and the rail substrate 211. Can move.

  Then, by inserting the restriction pin 215 into the restriction hole 214 at a desired height level, the locking recesses 221c and 222c of the slider 22 abut against the restriction pin 215, and the downward sliding movement of the slider 22 is restricted. The slider 22 can be arranged at the height level. The restriction holes 214 of each guide rail 21 are formed at the same height level as the corresponding restriction holes 214 of the other guide rails 21. Therefore, by inserting the restriction pin 215 into the restriction hole 214 of the same height level of each guide rail 21, the sliders 22 that slide the guide rails 21 can be arranged at the same height level.

  A plurality of (two in the illustrated example) cold storage containers 30 are provided, each of which has a rectangular shape. The cold storage container 30 is configured by arranging a plurality of plate-shaped heat transfer cases (not shown) in which a cold storage agent such as salt water is accommodated in parallel through the gap in the left-right direction. is there. Such a cold storage container 30 can store cold heat by freezing the cold storage agent inside the heat transfer case by a refrigeration apparatus not shown in the drawing. The said cool storage container 30 is mounted in the aspect straddling the slider 22 which slide-moves the guide rail 21 used as a pair each front and rear.

  The heat insulating partition member 40 is a flat plate member made of a heat insulating material, and has an area sufficient to divide the inside of the cool box main body 10 (main body cabinet 11) vertically. The left and right ends of the heat insulating partition member 40 are respectively placed on the upper surface of the cold storage container 30 via a long vibration damping rubber member 50. That is, the heat insulating partition member 40 can move along the extending direction of the guide rail 21 according to the sliding movement of the cold storage container 30 that is slid by the guide unit 20, and the upper region of the cold storage container 30. The inside of the cool box main body 10 is partitioned vertically. Reference numeral 60 in FIGS. 1 and 2 denotes a fixing member. The fixing member 60 is provided so as to straddle the pair of front and rear guide rails 21 above the heat insulating partition member 40, and a fixing pin (not shown) provided on each of the fixing members 60 is inserted into the restriction hole 214, whereby the heat insulating partition is formed. This is for fixing the member 40.

  In the cool box having the above-described configuration, the height level of the slider 22 that slides on the guide rail 21 is adjusted according to the position of the restriction hole 214 into which the restriction pin 215 is inserted, and is placed on the slider 22. The height level of the cold storage container 30 can be determined.

  The guide rails 21 for slidably moving the cool storage container 30 are arranged on the left and right side walls 15 of the cool box main body 10 (main body cabinet 11), so that a vehicle such as a truck on which the cool box is loaded travels. By doing so, even if vibration is given to the cool box main body 10, the vibration of the cold storage container 30 can be reduced by the rigidity of the cool box main body 10.

  Therefore, according to the cool box which is this embodiment, even if vibration is given to the cool box main body 10, the vibration of the cold storage container 30 can be reduced and the inside of the cool box main body 10 can be cooled well.

Moreover, according to the said cool box, the heat insulation partition member 40 which partitions the inside of the cool box main body 10 up and down.
However, since it can move along the extending direction of the guide rail 21 in accordance with the sliding movement of the cold storage container 30 that is slid by the guide unit 20, the size, number, etc. of the products accommodated in the cool box body 10 Accordingly, the cooling space can be adjusted, thereby improving the cooling efficiency.

  Further, according to the cold storage, a plurality of the cold storage containers 30 are provided. Therefore, as compared with the case where the cold storage container 30 having a size in which the plurality of cold storage containers 30 are combined into one is used, The contact area with the internal atmosphere (internal air) can be increased, whereby the heat exchange area can be increased and the cooling efficiency can be improved.

  The preferred embodiments of the present invention have been described above. However, the present invention is not limited to these embodiments, and various modifications can be made.

  In the embodiment described above, the guide rails 21 constituting the guide unit 20 are disposed on the left and right side walls 15 of the cool box main body 10 (main body cabinet 11). However, in the present invention, only the left and right side walls are provided. Instead, a guide rail may be disposed on the side wall on the back side.

  In the embodiment described above, the heat insulating partition member 40 is placed on the cold storage container 30 via the vibration damping rubber member 50 and is guided by the slide movement of the cold storage container 30 that is slid by the guide unit 20. In the present invention, the partition member may be moved along the vertical direction by means other than the guide unit.

  The form of the guide unit 20 which is the embodiment described above, that is, the structure of the guide rail 21 and the slider 22 is an example, and it goes without saying that the present invention is not limited to these forms.

DESCRIPTION OF SYMBOLS 10 Cold storage main body 11 Main body cabinet 12 Heat insulation door 13 Caster 15 Side wall 20 Guide unit 21 Guide rail 211 Rail board 212 Front rail part 212a Front base part 212b Front extension part 212c Front rear extension part 213 Rear rail part 213a Back base part 213b Back inside Extension part 213c Rear front extension part 214 Restriction hole 215 Restriction pin 22 Slider 221 Horizontal extension part 221a Front slide piece 221b Rear slide piece 221c Locking recess 222 Inclined extension part 222a Front slide piece 222b Back slide piece 222c Locking recess 30 Cold storage container 40 Heat insulation partition member 50 Rubber member for vibration reduction 60 Fixed member S Gap

Claims (3)

A cool box main body having a rectangular heat insulation structure and movable by a caster disposed at the bottom;
A cold storage comprising a plurality of cold storage containers each storing a cold storage agent and disposed in the cold storage body, and cooling the internal atmosphere of the cold storage body to a desired temperature by the cold heat stored in the cold storage agent. A warehouse,
A guide unit having guide rails provided in a manner extending along the vertical direction on at least two side wall inner surfaces of the cold storage body, and slidingly moving the cold storage container along the extending direction of each guide rail A cold storage characterized by comprising.   An insulating partition member is provided that is movably disposed along the vertical direction in the upper region of the cold storage container that is slid by the guide unit, and that divides the inside of the cool box body vertically. The cool box according to claim 1.   The cold insulator according to claim 2, wherein the partition member moves along the extending direction of the guide rail according to the sliding movement of the cold storage container.

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