JP6578663B2 - Showcase - Google Patents

Description

  The present invention relates to a showcase, and more particularly to a showcase in which a product to be stored is held at a desired temperature state.

  Conventionally, the following is known as a showcase for holding a commodity to be stored in a desired temperature state. A plurality of product placement shelves are provided in a vertical direction in a storage chamber inside the case main body with an opening formed on the front surface, and products are placed on the product placement shelves. In addition, an air passage through which the air in the storage chamber sucked through the suction port passes is formed at a location inside the case body and outside the storage chamber, and an evaporator is disposed in the air passage. The air passing through the air passage is cooled by an evaporator and then blown out from a blowout port provided in the upper portion of the storage chamber. The air blown out from the air outlet is sucked into the suction port and circulated, whereby the product placed on the product placement shelf is adjusted to a desired temperature and held.

  In such a showcase, a plurality of holes are also formed in the back panel constituting the back surface of the storage chamber, and a part of the air that is cooled by the evaporator and passes through the air passage is from the plurality of holes. The product blown out forward and placed on the product placement shelf is cooled (for example, see Patent Document 1).

Japanese Utility Model Publication No. 2-58679

  By the way, in the showcase mentioned above, the height level of the installation place of the product placement shelf may be changed depending on the height of the product placed on the product placement shelf. In other words, by increasing or decreasing the vertical separation distance from the product mounting shelf directly above, the volume on which the product mounting shelf can be placed (hereinafter also referred to as a loadable volume) can be increased or decreased. There is.

  On the other hand, in the configuration in which a part of the air passing through the air passage is blown forward from the plurality of holes formed in the back panel as described above, it interferes with the product placed on the product placement shelf. Most of the air blown out from the hole portion does not reach the front side of the product placement shelf, and as a result, there is a possibility that the product placed on the product placement shelf cannot be cooled well.

  In view of the above circumstances, the present invention adjusts the amount of air blown from the hole in the back panel according to the change in the loadable volume, and cools the product placed on the product placement shelf satisfactorily. The purpose is to provide a showcase that can.

  In order to achieve the above object, a showcase according to the present invention includes a case main body having an opening formed in a front surface and having a storage chamber defined in a manner facing the opening, and the storage chamber along the vertical direction. A plurality of stages of product storage shelves on which products to be stored are placed, and air in the storage chamber is sucked in through the suction port, and air is blown out to the storage chamber through the outlet. A product mounted on the product mounting shelf, comprising air circulating means for circulating air between the inside and the outside, and temperature adjusting means for adjusting the air circulated by the air circulating means to a predetermined temperature The air circulation means is adjusted to a predetermined temperature by the temperature adjustment means through a plurality of holes formed in the back panel constituting the back surface of the storage chamber. The product mounting shelf is provided with a hole between a height level of a shelf plate on which the product is placed and a predetermined height level above the shelf plate. The present invention is characterized in that a closing portion for closing the portion is provided.

  Further, the present invention is characterized in that the showcase includes a guide portion that is disposed on the upper side of the closing portion and that is gradually inclined forward as it goes upward.

  Moreover, the present invention is characterized in that, in the showcase, the guide portion is integrally formed in a form continuous with an upper end of the closing portion.

  Further, the present invention is the showcase, wherein the product mounting shelf has a mounting position that is movable in the vertical direction, and a separation distance from other product mounting shelves adjacent in the vertical direction is changed. Thus, the air volume adjustment through the hole is performed.

  According to the present invention, the closing portion closes the hole portion between the height level of the shelf on which the product is placed and the predetermined height level above the shelf plate. Only the hole on the upper side can be opened. Therefore, it is possible to reduce the rate at which the air blown forward from the opened hole portion interferes with the product placed on the shelf board of the product placing shelf, and the air blown out from the hole portion can be reduced. Goods can be satisfactorily cooled by guiding to the vicinity of the front end of the product placement shelf. In addition, when the product placement shelf is moved in the vertical direction, the vertical distance from the product placement shelf directly above is increased or decreased to increase the loadable volume of the product placement shelf. Can increase the number of holes to be opened, thereby adjusting the air volume of the air blown from the holes according to the change in the mountable volume. Therefore, the air volume to be blown out from the hole of the back panel is adjusted according to the change in the loadable volume, and the product placed on the product placement shelf can be cooled satisfactorily.

FIG. 1 is a cross-sectional side view schematically showing the internal structure of a showcase according to an embodiment of the present invention. FIG. 2 is an enlarged cross-sectional side view showing a main part of the commodity mounting shelf shown in FIG. FIG. 3 is an enlarged cross-sectional side view showing a main part of the commodity mounting shelf shown in FIG.

  Hereinafter, preferred embodiments of a showcase according to the present invention will be described in detail with reference to the accompanying drawings.

  FIG. 1 is a cross-sectional side view schematically showing the internal structure of a showcase according to an embodiment of the present invention. The showcase illustrated here includes a case body 10.

  The case body 10 is a heat-insulating housing having an opening 10a (hereinafter also referred to as a front opening) 10a formed on the front surface. A storage chamber 11 is defined in the housing body 10 and an air circulation means 20 is provided therein. .

  The storage chamber 11 is a chamber defined so as to face the front opening 10a, and a plurality of (four in the illustrated example) product placement shelves 30 are arranged in a plurality of stages along the vertical direction. . The product placement shelf 30 is for placing a product, and the configuration thereof will be described later. A deck pan 12 is disposed at the bottom of the storage chamber 11. The deck pan 12 is for placing a product, similarly to the product placement shelf 30.

  A plurality of holes 14 are formed in the back panel 13 that constitutes the back surface of the storage chamber 11. These hole portions 14 are through holes formed at predetermined intervals along the left-right direction at a plurality of height levels.

  The air circulation means 20 includes an air passage 21 and a circulation fan F. The air passage 21 is a passage of air from the inlet 22 to the outlet 23. Here, the suction port 22 is an opening for sucking air inside the storage chamber 11, and extends along the left-right direction of the storage chamber 11. The suction port 22 is disposed at the lower front edge of the storage chamber 11, that is, at the lower portion near the front opening 10 a of the case body 10.

  Two air outlets 23 are provided in the illustrated example, and are openings for blowing air into the storage chamber 11. Each of these air outlets 23 extends in the left-right direction of the storage chamber 11, and is arranged side by side at the upper front edge of the storage chamber 11, that is, at the upper portion in the vicinity of the front opening 10 a of the case body 10. .

  Such an air passage 21 includes a lower duct 21a that is outside the storage chamber 11 and below it, a back duct 21b that is outside the storage chamber 11 and on the back side, and is outside the storage chamber 11 and above it. The upper duct 21c is connected to each other. The air passage 21 is divided into two parts from the middle of the lower duct 21a. The outer passage 211 leads to one outlet 23 (hereinafter also referred to as the front outlet 23a), and the inner passage 212 is the other. It leads to the air outlet 23 (hereinafter also referred to as a rear air outlet 23b). Here, the inward passage 212 communicates with each hole 14 of the back panel 13.

  The circulation fan F circulates air and is disposed at a predetermined portion of the lower duct 21a. In the present embodiment, the circulation fan F is disposed at a predetermined portion of the lower duct 21a. However, in the present invention, the position of the circulation fan is not particularly limited, and the function of the circulation fan described later. It may be arranged anywhere as long as it can exhibit the above.

  In such an air circulation means 20, when the circulation fan F is driven, the air inside the storage chamber 11 (internal air) is sucked through the suction port 22, and the sucked air is sent out in a manner that passes through the air passage 21. Then, air is circulated between the inside and the outside of the storage chamber 11 by blowing out into the storage chamber 11 through each hole 14 and each outlet 23.

  An evaporator (temperature adjusting means) 40 is provided in the inner passage 212 of the air passage 21. The evaporator 40 constitutes a refrigerant circulation means for circulating the refrigerant together with a compressor, a condenser, and an expansion mechanism (not shown). Here, the compressor compresses the refrigerant, and the condenser condenses the refrigerant compressed by the compressor. The expansion mechanism adiabatically expands the refrigerant condensed in the condenser to bring it into a low temperature and low pressure state.

  The evaporator 40 exchanges heat between the air that passes through the inner passage 212 from the lower side to the upper side when the circulation fan F is driven and the refrigerant adiabatically expanded by the expansion mechanism, and more specifically, the refrigerant. The air passing through the inner passage 212 is cooled by evaporating the air. The refrigerant evaporated in the evaporator 40 is returned to the compressor and compressed.

  FIG. 2 is an enlarged cross-sectional side view showing a main part of the commodity mounting shelf 30 shown in FIG. As shown in FIG. 2, the product placement shelf 30 includes a bracket 31, a shelf frame 32, and a shelf plate 33.

  The bracket 31 is provided in a pair of left and right modes, and is engaged with a shelf column (not shown) standing upright in a pair of left and right modes on the rear side of the storage chamber 11. The product placement shelf 30 is disposed by the bracket 31 being locked to the shelf column.

  The shelf frame 32 is supported by the bracket 31. The shelf board 33 is supported by the shelf frame 32 so as to be slidable in the front-rear direction. The upper surface of the shelf plate 33 constitutes a placement surface on which products are placed.

  Such a product placement shelf 30 is provided with a guide member 34. The guide member 34 is provided at the rear end portion of the shelf frame 32 and has a long shape whose longitudinal direction is the left-right direction. The guide member 34 has a closing part 341 and a guide part 342.

  The closing part 341 includes a closing base part 341a and a closing inclined part 341b. The blocking base 341a is a part that can contact the rear end surface of the shelf board 33 and extends along the vertical direction. The closing inclined portion 341b extends upward from the upper end of the closing base 341a in a manner parallel to the back panel 13. That is, the closing inclined part 341b extends in a manner that gradually inclines backward as it goes upward from the upper end of the closing base part 341a.

  An elastic cushion material 35 is attached to such a closed portion 341 (the closed base portion 341a and the closed inclined portion 341b) so as to cover the entire rear surface of the closed portion 341. As a result, the closing portion 341 elastically deforms the cushion material 35 to thereby change the height level of the shelf plate 33 and a predetermined height level above the shelf plate 33 (the height level of the upper end of the closing inclined portion 341b). ) Is closed.

  The guide part 342 is formed integrally with the closing part 341 in a manner continuous with the upper end of the closing part 341, and gradually inclines forward as it goes upward.

  In the showcase having the above-described configuration, when the circulation fan F and the compressor are driven, the air inside the storage chamber 11 is sucked through the suction port 22, passes through the lower duct 21 a, and exits from the middle. The vehicle enters either the inner passage 211 or the inner passage 212.

  The air that has entered the outer passage 211 reaches the front outlet 23a through the rear duct 21b and the upper duct 21c, and is blown out from the front outlet 23a.

  On the other hand, the air that has entered the inner passage 212 from the middle of the lower duct 21a passes through the evaporator 40 and is cooled. Part of the air cooled by the evaporator 40 reaches the rear outlet 23b and is blown out from the rear outlet 23b, and part of the air is blown out of the hole 14 of the back panel 13 that is open. The

  Most of the air blown out from the air outlets 23 (the front air outlet 23a and the rear air outlet 23b) flows toward the suction port 22 to form an air curtain. By forming the air curtain in this way, the internal air of the storage chamber 11 is cooled while suppressing the entry of heat from the outside.

  And in the showcase which is this Embodiment, the obstruction | occlusion part 341 which comprises the guide member 34 of the goods mounting shelf 30 elastically deforms the cushion material 35, and the height level of the shelf board 33 and this shelf board 33 are used. Since the hole 14 between the upper side and a predetermined height level (the height level of the upper end of the closing inclined part 341b) is closed, only the hole 14 above the closing part 341 is opened. Can do. Therefore, it is possible to reduce the rate at which the air blown forward from the opened hole portion 14 interferes with the product placed on the shelf plate 33 of the product placement shelf 30, and blown out from the hole portion 14. The air can be cooled well by guiding the air to the vicinity of the front end of the product placement shelf 30.

  In addition, in the showcase, as shown in FIG. 3, the product placement shelf 30 is moved downward to increase the vertical separation distance from the product placement shelf 30 directly above the product placement shelf 30. When the mountable volume of the shelf 30 is increased, the number of holes 14 to be opened can be increased, and thereby the air blown out from the holes 14 according to the change of the mountable volume. The air volume can be adjusted.

  Therefore, according to the showcase which is the embodiment of the present invention, the air volume to be blown out from the hole 14 of the back panel 13 is adjusted according to the change of the mountable volume, and the product is placed on the product mounting shelf 30. The placed product can be cooled well.

  According to the showcase, since the guide portion 342 constituting the guide member 34 of the product placement shelf 30 is gradually inclined forward as it goes upward, the hole opened without being closed by the closing portion 341. The air blown out from the section 14 can be guided to the front end of the product placement shelf 30, and the product placed on the product placement shelf 30 can be cooled well by reducing the air that interferes with the product. Can do.

  The preferred embodiment of the present invention has been described above, but the present invention is not limited to this, and various modifications can be made.

  In the above-described embodiment, the guide member 34 includes the closing portion 341 and the guide portion 342, so that the closing portion 341 and the guide portion 342 are integrally configured. It may be separate from the guide part, or only the blocking part may be provided.

  In the embodiment described above, the guide member 34 having the closing portion 341 is provided on the shelf frame 32. However, in the present invention, a guide member may be provided on a member that couples the pair of left and right brackets. A guide member may be provided at the rear end of the shelf board.

DESCRIPTION OF SYMBOLS 10 Case main body 10a Front opening 11 Storage room 20 Air circulation means 21 Air passage 21a Lower duct 21b Rear duct 21c Upper duct 211 Outer passage 212 Inner passage 22 Suction port 23 Outlet 23a Front side outlet 23b Rear side outlet 30 Goods Mounting shelf 31 Bracket 32 Shelf frame 33 Shelf plate 34 Guide member 341 Closure part 342 Guide part 40 Evaporator F Circulation fan

Claims (4)

An opening formed on the front surface, and a case body having a storage chamber defined in a manner facing the opening;
A product placement shelf that is provided in a plurality of stages along the vertical direction in the storage room and places products to be stored;
An air circulation means for circulating air between the inside and the outside of the storage chamber in a mode of sucking air of the storage chamber through the suction port and blowing out air to the storage chamber through the outlet;
A temperature adjustment means for adjusting the air circulated by the air circulation means to a predetermined temperature, and in a showcase for holding the product placed on the product placement shelf in a desired temperature state,
The air circulation means blows out air adjusted to a predetermined temperature by the temperature adjusting means through a plurality of holes formed in a back panel constituting the back surface of the storage chamber,
The product placement shelf has the hole between the height level of the shelf on which the product is placed and a predetermined height level above the shelf plate attached to the rear surface of the product placement shelf. A showcase comprising a closing portion for closing the cushion material by elastic deformation .   The showcase according to claim 1, further comprising a guide portion that is disposed on an upper side of the closing portion and that is gradually inclined forward as it goes upward.   The showcase according to claim 2, wherein the guide portion is integrally formed so as to be continuous with an upper end of the closing portion.   The product placement shelf is capable of moving the mounting position in the vertical direction, and the air volume adjustment through the hole is made by changing the separation distance from other product placement shelves adjacent in the vertical direction. The showcase according to claim 1, wherein the showcase is performed.

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