JP4362396B2 - Open showcase - Google Patents

Description

  The present invention forms a storage chamber whose front face is opened in a case body constituted by an outer box and an inner box, and arranges an evaporator and a blower in a ventilation path formed between the outer box and the inner box. The present invention relates to an open showcase in which an air curtain is formed by cold air blown out from a cold air outlet provided above the opening toward a cold air inlet provided below to cool the storage chamber.

  In a conventional open showcase in which an evaporator and a blower are arranged in a ventilation path formed between an outer box and an inner box, a structure in which the rear wall of the inner box is constituted by a back plate and a column is already known. (See Patent Documents 1 and 2). FIG. 6 shows a schematic perspective view of such a conventional open showcase. The open showcase 01 is arranged between a plurality of shelf boards 02, support posts 03 that support these shelf boards 02, and the support posts. And a back plate 04. And although the support | pillar 03 was not shown in figure, the upper part was fixed to the fixture extended from the outer box, and the lower part was being fixed to some evaporators arrange | positioned in the ventilation path.

Japanese Patent No. 2632145 (FIG. 1). JP 2002-223904 A (FIG. 1).

  However, in the conventional fixing method of the support column shown in FIG. 6, if the mounting position of the evaporator is slightly shifted or inclined, it becomes difficult to mount the lower portion of the support column, which is very difficult to assemble at the installation site. It took time and effort.

  The present invention has been made paying attention to such problems, and provides an open showcase capable of easily and surely fixing a support column even if the attachment position of the evaporator is slightly deviated. Objective.

In order to solve the above-mentioned object, an open showcase according to claim 1 of the present invention forms a storage chamber whose front surface is opened in a case body constituted by an outer box and an inner box, and An evaporator and a blower are placed in the ventilation path formed between the box and an air curtain is formed by the cold air blown from the cold air outlet provided above the opening toward the cold air inlet provided below. a open showcase comprising cooling the storage compartment by, the rear wall of the inner box, the rear plate juxtaposed in the lateral direction, consists posts extending vertically to connect the said back plate, said An installation in which the upper part of the support column is extended from the outer box in a state in which the lower part of the support column is inserted and fitted into a pair of upwardly facing engaging protrusions provided on the fixture attached to the evaporator. It is characterized by being fixed to the member .
According to this feature, since the lower part of the column is loosely attached to the pair of engaging projections of the fixture attached to the evaporator , the column is attached to the pair even if the attachment position of the evaporator is slightly shifted or inclined. It can be securely fixed to the engagement protrusion, and the upper part of the column can be fixed using the outer box after insertion and fitting, so that the movement of the column can be restricted, and the column can be assembled easily. Assembling work does not take much time.

The open showcase according to claim 2 of the present invention is the open showcase according to claim 1 , wherein a support fitting for supporting the defrosting heater is formed on the attachment of the evaporator. It is said.
According to this feature, since the defrost heater can be supported using the attachment of the evaporator, it is not necessary to newly provide a part for attaching the defrost heater.

An open showcase according to a third aspect of the present invention is the open showcase according to the first or second aspect , wherein at least a side of the back plate connected to the support column is formed of a bent piece. It is a feature.
According to this feature, the back plate can be securely attached and fixed to the support column using the bent piece.

  Examples of the present invention will be described below.

  1 to 5 show an embodiment of the present invention. FIG. 1 is a sectional view showing an open showcase according to the present invention, FIG. 2 is an enlarged view of a portion A in FIG. 1, and FIG. 4 is a cross-sectional view taken along the line CC of FIG. 2, and FIG. 5 is a partial perspective view showing a state where the lower part of the support is loosely attached to the attachment of the evaporator.

  The open showcase 1 shown in FIG. 1 is provided with inner cases 2a to 2c formed as inner boxes inside the outer cases 4a to 4d forming outer boxes made of box-shaped heat insulating walls with a predetermined interval. The interior space surrounded by the inner cases 2a to 2c is used as a product storage section 3 serving as a storage room having an open top or front surface, and fruits and vegetables are displayed therein.

  The open showcase 1 includes a cool air circulation path 7a, 7b, which serves as a ventilation path, between the inner cases 2a to 2c constituting the product storage unit 3 and the outer cases 4a to 4d disposed on the outer side. 7c is arranged.

  By driving the blower 5 in the cool air circulation path 7a configured as described above, the cool air cooled by passing through the evaporator 6 is discharged from the cool air outlet 8 at the upper part of the showcase 1 and the product storage unit 3 Frozen food in the product storage unit 3 is formed by forming an air curtain on the open surface of the showcase 1 by sucking through the cold air inlet 10 at the front upper end of the front inner and outer case and circulating in the direction of the arrow indicated by the broken line in the figure. And fresh food items can be kept at a predetermined temperature.

  In addition, the outer cases 4a and 4b for forming a cooling circulation passage below the base shelf board that constitutes the inner case 2a on which various products are placed below the product storage unit 3 are inclined downward toward the inside. A bottom panel 12a is provided, and a bottom panel 12b that is gently inclined downward is provided. In the valleys of the bottom panels 12a and 12b, a drainage port D is provided for discharging thawed water or accumulated debris when the evaporator 6 is defrosted. It is provided between the outer case 4a and the inner case 2a extending in the left-right direction below the front surface.

  More specifically, as shown in FIGS. 2 and 4, the rear wall constituting the inner case 2 b of the inner box connects a pair of rear plates 14 and 14 arranged side by side in the left-right direction, and both the rear plates 14 and 14. The connection member 15 having a substantially C-shaped cross section, the support column 16 accommodated in the connection member 15 and extending in the vertical direction, and the coil cover 28 attached to the front side of the evaporator 6 are configured.

  As shown in FIG. 1, the upper portion of the support column 16 is fixed to an upper support 18 which is an attachment member extending forward from the upper portion of the outer case 4c forming a part of the outer box, and the lower portion thereof is shown in FIG. 3, it is loosely attached to a fixture 20 fixed to the lower front surface of the evaporator 6.

  As shown in FIG. 4, the support column 16 is formed by welding a pair of substantially U-shaped members in cross section back to back, and bracket mounting portions for shelf plates are inserted into the front plates F1 and F2. A plurality of vertically long engagement holes H are arranged in the vertical direction, and bent pieces G1, G2 folded back are formed on both sides of the front plates F1, F2, and extend in the left-right direction on the rear end side. Wide support pieces L1 and L2 are bent.

  The center frame 22 constituting the vertical frame at the center of the evaporator 6 has a bent piece 22a formed at the rear of the center frame 22 as shown in FIGS. The attachment tool 20 is attached to the attachment surface below the bent piece 22b formed at the end extending forward.

  FIG. 5 shows an overall perspective view of the fixture 20. A projecting piece 25 is horizontally bent toward the front on the upper part of the strip-shaped vertically long piece 24, and upward on both sides thereof. A pair of facing engagement protrusions 25a and 25b are formed, and a U-shaped engagement portion 26 constituting a support fitting is formed at the lower portion of the vertically long piece 24 so as to support the horizontal pipe HP of the defrost heater. ing.

  As shown in FIGS. 2 and 3, a horizontal surface 28 a horizontally bent forward is supported below the coil cover 28 on the upper surface of the protruding piece 25 of the fixture 20. The engagement protrusions 25a and 25b protrude to the upper surface through a pair of through long holes 30a and 30b formed in the horizontal surface 28a.

  Next, the procedure for attaching the above-mentioned support will be described with reference to FIG.

  First, the support 16 is accommodated inside the connecting member 15, and the lower end of the support 16 is protruded from the upper surface of the horizontal surface 28a below the coil cover 28 shown in FIG. 5 through the pair of through holes 30a, 30b. It loosely attaches to the engaging protrusions 25a and 25b.

  Specifically, as shown in FIGS. 3 and 4, the lower end of the support column 16 is inserted into the outer side surfaces of the engaging protrusions 25a and 25b from the inside of the bent pieces G1 and G2 from above, and the engaging protrusion 25a. , 25b are inserted between the back surfaces of the front plates F1, F2 and the front surfaces of the support pieces L1, L2, and are loosely attached.

  Next, the upper end of the column 16 is fixed to the upper support 18 via the coil cover 28 together with the connecting member 15 as shown in FIG. Then, a pair of back plates 14 and 14 are connected to both sides of the front surface of the connecting member 15 that houses the support column 16, and the assembly of the rear wall that constitutes the inner case 2b is completed.

  Further, the fixture 20 that supports the lower end of the support column 16 so as not to move is formed with a U-shaped engaging portion 26 at the lower portion thereof, and the engaging piping 26 can support the horizontal pipe HP of the defrost heater. .

  According to the open showcase configured as described above, the lower portion of the support column 16 is loosely attached to the engaging protrusions 25a and 25b of the fixture 20 attached to the center frame 22 of the evaporator 6, so that the evaporator Even if the mounting position 6 is slightly deviated or inclined, the column 16 can be fixed, and the assembling work does not take much time.

  Further, since the lower portion of the support column 16 is supported by being inserted and fitted into the engagement protrusions 25a and 25b from above, the movement of the support column 16 is restrained only by fixing the upper portion of the support column 16 as it is. Can be assembled easily.

  Further, since the U-shaped engaging portion 26 that supports the horizontal pipe HP of the defrost heater is integrally bent in the fixture 20, a part for mounting the horizontal pipe HP of the defrost heater is provided. There is no need to provide a new one.

  Further, on both sides of the column 16, bent pieces 15 a and 15 b of the connecting member 15 are arranged close to both sides of the column 16, and the connection side of the pair of back plates 14 and 14 with the column 16 is the bent piece 14 a. Therefore, the back plates 14 and 14 can be securely attached to and fixed to the support column 16 using the bent pieces 15a, 15b and 14a.

  As described above, the embodiments of the present invention have been described with reference to the drawings. However, the specific configuration is not limited to these embodiments. For example, in the embodiments, a column is welded with a pair of substantially U-shaped members back to back. Although described with what was joined, a hollow prism may be sufficient. In addition, when the open showcase is large, it goes without saying that the case body is constructed by standing a plurality of support columns.

  Moreover, in the Example, although the example which made the lower part of a support | pillar loosely attach to the fixture which has a pair of engagement protrusion piece was demonstrated, not only a pair of engagement protrusion piece but the lower end of a support | pillar can be fitted with a clearance gap. Any structure may be used as long as it has a structure.

It is sectional drawing which shows the open showcase which concerns on this invention. It is the A section enlarged view of FIG. It is BB sectional drawing of FIG. It is CC sectional drawing of FIG. It is a fragmentary perspective view which shows the state by which the lower part of a support | pillar is loosely attached to the fixture of an evaporator. It is a schematic perspective view of the conventional open showcase.

Explanation of symbols

1 Open showcase 2a-2c Inner case 3 Product storage (storage room)
4a to 4d Outer case 5 Blower 6 Evaporator 7a, 7b, 7c Cold air circulation path 8 Cold air outlet 10 Cold air inlet 12a, 12b Bottom panel 14 Back plate 14a Bending piece 15 Connecting member 15a, 15b Bending piece 16 Prop 18 Support tool 20 Mounting tool 22 Center frame 22a, 22b Bending piece 24 Vertically long piece 25 Projection piece 25a, 25b Engagement projection piece 26 Engagement part (support metal fitting)
28 Coil cover 28a Horizontal planes 30a, 30b Through long holes D Drain outlets F1, F2 Front plates G1, G2 Bending pieces H Vertical engagement holes HP Horizontal piping L1, L2 Supporting pieces

Claims (3)

A storage chamber having an open front is formed in a case body constituted by an outer box and an inner box, and an evaporator and a blower are disposed in a ventilation path formed between the outer box and the inner box. An open showcase in which an air curtain is formed by cold air blown from a cold air outlet provided at an upper portion toward a cold air inlet provided below, and the storage chamber is cooled, and the rear wall of the inner box Consists of a back plate arranged side by side in the left-right direction and a support column extending in the vertical direction connecting the back plate, and a pair of engagement protrusions facing upwards provided on a fixture attached to the evaporator at the lower part of the support column. An open showcase characterized in that the upper part of the support column is fixed to an attachment member extending from the outer box in a state of being inserted into the piece from above and loosely fitted . Open showcase according to claim 1 in which the support bracket is formed to support the defrost heater fixture of the evaporator. The open showcase according to claim 1 or 2 , wherein at least a side of the back plate connected to the support column is formed of a bent piece.

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