JP4139206B2 - Open showcase - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an open showcase for displaying or storing frozen / refrigerated foods, fresh foods, and the like in supermarkets, department stores, convenience stores, and the like.
[0002]
[Prior art]
In a multi-stage freezing / refrigeration showcase, a plurality of support columns in which a number of locking holes are arranged at equal intervals in the vertical direction are provided on the rear surface of the inner box of the case main body, and the rack at the rear end of the shelf support bracket is provided. In general, a piece is fitted into the locking hole, and a shelf board for displaying products is supported by these brackets, and a shelf board is formed at the lowermost stage.
[0003]
In such a showcase, there has been a demand to change the angle of the shelf in order to place the display on the shelf and show the display to the customer.
[0004]
In order to meet such demands, in the showcase in which an air passage is formed between the inner case and the outer case, the front end portion and the rear end portion of the shelf plate mounted on the lower portion of the inner case are respectively provided with front portions. A lock pin and a rear lock pin are provided independently, and the front lock pin is provided so as to be able to move against a spring force, and the shelf plate is formed in a mounting hole formed in a lower portion of each rising portion before and after the inner case. The front and rear lock pins can be inserted and attached to change the angle of the shelf board, and this has already been disclosed (for example, see Patent Document 1).
[0005]
[Patent Document 1]
JP-A-11-146824 (FIG. 1)
[0006]
[Problems to be solved by the invention]
However, in such an open showcase, if the shelf mounted in the lower part is fixed in an inclined state, the length of the bottom plate is insufficient and the space between the front of the shelf and the rear rising part of the inner case If left untreated, the cold air will be short cycled, which is a factor for reducing the cooling effect. The present invention has been made paying attention to such a problem, and an object thereof is to provide an open showcase that automatically closes the gap and prevents a short cycle.
[0007]
[Means for Solving the Problems]
In order to achieve the above object, an open showcase according to the present invention forms a storage chamber having an open front surface in a case body having a plurality of shelves, and the opening of the storage chamber is formed at the upper front end of the storage chamber. In the open showcase in which the storage chamber is cooled by covering with a cold air curtain that is blown out from the cold air outlet provided to the cold air inlet provided below, A support rod that can be locked to a locking hole of the inner case of the showcase is slidably attached, and the shelf plate has a front portion of the inner plate and the front of the shelf plate that is substantially the same width as the shelf plate. A cover member for closing a gap between the rear plate and the rear plate is locked so as to interlock with the support rod.
According to this feature, the support rod is slidably attached to the shelf plate, and the cover member is locked to interlock with the support rod, so the shelf plate is reattached to tilt. In this case, the cover member extends forward together with the support rod, and there is no possibility of short cycle in order to always close the gap between the front of the shelf and the rear plate of the inner box.
[0008]
In the open showcase, the shelf plate is provided with a slit penetrating the shelf plate in the front-rear direction, and the cover member is inserted through the slit and can be fixed or engaged with a part of the support rod. It is preferable that the piece is suspended and the cover member and the support rod can be interlocked.
In this way, since the cover member is regulated to be slidable only in the front-rear direction by the slit hole provided in the shelf plate, not only the sliding of the cover member is stabilized, but also the front-rear movement direction of the support rod It will be stable.
[0009]
In the open showcase, the insertion piece provided in the cover member has at least a bifurcated locking groove, and by narrowing a part of the support rod with the locking groove, It is preferable that interlocking with the support rod is possible, and a locking portion of the support rod formed at the tip of the cover member is a notch groove that opens downward.
If it does in this way, since a cover member can be removed from a shelf board only by pulling up a cover member, when it is necessary to clean a cover member etc., attachment / detachment of a cover member is easy.
[0010]
In the open showcase, a locking groove that can be locked in a locking hole provided in the showcase is formed at least at the tip of the support rod, and the locking groove is formed in the locking hole. A cut semicircular groove having a slightly wider diameter than the hole thickness is preferred.
In this way, even if the inclination of the support rod changes, the arc-shaped locking groove reliably comes into contact with the locking hole at at least two points, and the shelf board can be stably supported.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings.
[0012]
1 is a sectional view showing an open showcase of the present invention, FIG. 2 is a perspective view showing an assembled state of a shelf board and a cover member of the open showcase of the present invention, and FIG. 3 is a rear perspective view of FIG. 4 (a) (b) (c) (d) and FIGS. 5 (a) and 5 (b) are sectional views showing the use state, and FIG. 6 shows the assembled state of the shelf board and the cover member of another embodiment. FIG. 7 is a cross-sectional view in which a part of FIG. 6 is omitted.
[0013]
First, for example, an open showcase 1 is shown in FIG. 1 as a showcase to which the present invention is applied. The open showcase 1 is provided with inner cases 2a to 2c formed as inner boxes inside the outer cases 4a to 4d forming an outer box made of a box-shaped heat insulating wall with a predetermined interval, The interior space surrounded by the inner cases 2a to 2c is used as a product storage unit 3 having an open top or front surface, and fruits and vegetables are displayed therein.
[0014]
In the open showcase 1, cold air circulation paths 7a, 7b, and 7c are disposed 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. Has been.
[0015]
By driving the blower 5 in the cool air circulation path 7a configured as described above, the cool air cooled by passing through the cooler 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 from the cool air inlet 25 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.
[0016]
Further, at the lower part of the shelf 10 on which various products below the product storage unit 3 are placed, there are outer cases 4a and 4b, a bottom panel 12a inclined downward toward the inside, and a lower side toward the front. An inclined bottom panel 12b is provided to constitute a cooling circulation passage. 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 cooler 6 is defrosted.
[0017]
Further, the cool air inlet 25 is opened at the upper part between the outer case 4 a and the inner case 2 a extending in the left-right direction below the front surface of the showcase 1, and this opening is covered with the inlet cover 14.
[0018]
2 and 3 show the bottom shelf 10 of the showcase according to the embodiment of the present invention. FIG. 2 is an assembled view, and FIG. 3 is a rear view after the assembly. A cover member 11 and a U-shaped support rod 13 having substantially the same width as the shelf plate 10 are slidably attached to the shelf plate 10, and the cover member 11 is interlocked with the back and forth movement of the support rod 13. So that it is locked. More specifically, the shelf plate 10 is provided with a slit hole 17 cut in parallel in the front-rear direction, and an insertion piece 18 of the cover member 11 is slidably inserted into the slit hole 17. By engaging and fixing the locking groove 19 provided in 18 and the rear end b extending to the left and right of the U-shaped support rod 13, both the cover member 11 and the support rod 13 can be moved back and forth. ing.
[0019]
A locking portion 20 into which the support rod 13 can be inserted is provided at a predetermined position of the front end portion c of the cover member 11, and the load of the cover member 11 is applied to the support rod 13 through the locking portion 20. Yes. As shown in FIG. 2, the locking portion 20 is a notch groove that opens downward to facilitate attachment / detachment as shown in FIG. 2, but the locking portion 20 is shown in FIG. In addition, it is possible to change the locking groove to the insertion hole or to the welding fixed state.
[0020]
As shown in FIG. 4 (c), a notch-shaped locking groove 15 is provided at the tip end a of the support rod 13, which is refracted by a straight metal rod. The inner case 2b is locked by a plurality of upper and lower locking holes 16 so that it cannot be easily detached. More specifically, the locking groove 15 is slightly wider than the hole thickness of the locking hole 16 (thickness of the inner case) and is cut into a semicircular groove.
[0021]
Further, as shown in FIG. 5A, a shaft rod 21 is extended at the rear end of the shelf board 10 so as to partially protrude, and an end portion d of the shaft rod 21 has a suction port described later. A locking groove 24 that can be locked in the locking hole 23 of the shelf support plate 22 provided in the vicinity of the cover 14 is formed. Even in the locking groove 24, it is slightly wider than the hole thickness of the locking hole 23 (thickness of the shelf support plate 22) and is cut out into a semicircular groove.
[0022]
Next, the operation of the shelf board 10, the support rod 13, and the cover member 11 will be described. When the support rod 13 is advanced from the position shown in FIG. 4A to the position of FIG. The locked cover member 11 is also moved forward by the same distance.
[0023]
When the shelf board 10 is installed horizontally as shown in FIG. 4C, the engagement groove 15 of the support rod 13 is engaged with the engagement hole 16 of the inner case 2b. The cover member 11 does not protrude.
[0024]
Next, as shown in FIG. 4 (d), when the shelf board 10 is inclined and installed, the support rod 13 is pulled out from the shelf board 10 and is positioned above the locking hole 16 in the horizontal position. When the locking groove 15 of the support rod 13 is locked to the stop hole 16, since the end b of the support rod 13 is fitted in the locking groove 19 of the cover member 11, the cover member 11 is also pulled out at the same time. Specifically, the shelf board 10 is in a state of becoming longer forward. For this reason, the gap between the inner case 26 and the shelf board 10 that originally occurs when the shelf board 10 is tilted is eliminated, and a short cycle of cold air can be prevented. In this case, since the protruding amount of the support rod 13 from the cover member 11 is small, it is difficult to pull the support rod 13, but the support rod 13 extends at the same time just by moving the cover member 11 forward. ing.
[0025]
When the position of the locking hole 16 for locking the shelf board 10 is changed, the shaft rod 21 at the rear end of the shelf board 10 is engaged with the shelf board support plate 22 as shown in FIG. As shown in FIG. 5 (b), the end portion d of the shaft rod 21 is locked around the shelf hole 10 as the shelf plate 10 is tilted in order. It can be rotated as it is. As described above, it is desirable that the locking groove 24 provided at the end d of the shaft rod 21 and the locking groove 15 of the support rod 13 are formed in a semicircular groove. The holes 23 and 16 and the semicircular groove are locked by two-point support so that the shelf board 10 can be locked stably, and the shaft rod 21 and the support rod 13 are straight metal rods. When the locking grooves 24 and 15 are notched, the insertion and removal of the locking holes 23 and 16 is smooth.
[0026]
Although the embodiments of the present invention have been described with reference to the drawings, the specific configuration is not limited to these embodiments, and modifications and additions within the scope of the present invention are included in the present invention. It is. For example, the U-shaped support rod 13 and the shaft rod 21 may not have this shape as long as they can hold the shelf board 10.
[0027]
【The invention's effect】
The present invention has the following effects.
[0028]
(A) According to the invention of claim 1, the support rod is slidably attached to the shelf plate, and the cover member is locked so as to interlock with the support rod, so that the shelf plate is inclined. In such a case, the cover member extends forward together with the support rod, and there is no possibility of short cycle in order to always close the gap between the front of the shelf and the rear plate of the inner box.
[0029]
(B) According to the invention of claim 2, the shelf plate is provided with a slit penetrating the shelf plate in the front-rear direction, and the cover member penetrates the slit and is part of the support rod. An insertion piece that can be fixed or engaged is suspended, and the cover member and the support rod can be interlocked. In this way, the cover member is regulated to be slidable only in the front-rear direction by the slit hole provided in the shelf plate, so that not only the sliding of the cover member is stabilized, but also the front-rear moving direction of the support rod is stable. Will do.
[0030]
(C) According to the invention of claim 3, the insertion piece provided in the cover member has at least a bifurcated locking groove, and a part of the support rod is narrowed by the locking groove. As a result, the cover member and the support rod can be interlocked with each other, and the locking portion of the support rod formed at the tip of the cover member is a notch groove that opens downward. Since the cover member can be removed from the shelf simply by pulling it up, the cover member can be easily attached and detached when the cover member or the like needs to be cleaned.
[0031]
(D) According to the invention of claim 4, a locking groove that can be locked to a locking hole provided in the showcase is formed at least at the tip of the support rod. Is a notched semicircular groove having a diameter slightly wider than the thickness of the locking hole, so that even if the inclination of the support rod changes, the arc-shaped locking groove is at least with respect to the locking hole. It will contact | abut reliably at two points and will be able to support a shelf board stably.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view showing an open showcase of the present invention.
FIG. 2 is a perspective view showing an assembled state of a shelf board and a cover member.
3 is a rear perspective view of FIG. 2. FIG.
FIGS. 4A, 4B, 4C, and 4D are cross-sectional views showing a use state.
FIGS. 5A and 5B are cross-sectional views showing a use state.
FIG. 6 is a perspective view showing an assembled state of a shelf board and a cover member of another embodiment.
7 is a cross-sectional view in which a part of FIG. 6 is omitted.
[Explanation of symbols]
1 Showcase (open showcase)
2a, 2b, 2c Inner case (inner box)
3 Product storage units 4a to 4d Outer case (outer box)
5 Blower 6 Coolers 7 a, 7 b, 7 c Cooling air circulation path 8 Cooling air outlet 10 Shelf plate 11 Cover members 12 a, 12 b Bottom panel 13 Support rod 14 Suction port cover 15 Locking groove 16 Locking hole 17 Slit hole 18 Insert piece 19 Locking groove 20 Locking part 21 Shaft rod 22 Shelf plate support plate 23 Locking hole 24 Locking groove 25 Cold air inlet a Front end b Rear end c Front end d End

Claims (4)

In the case body having a plurality of shelf boards, a storage chamber having an open front is formed, and the opening of the storage chamber is directed from a cold air outlet provided at the upper front end of the storage chamber to a cold air inlet provided below. In an open showcase that cools the storage chamber by covering it with a cool air curtain that is blown out, the bottom shelf has a support that allows the tip of the shelf to be locked in the locking hole of the inner case of the showcase A hook is slidably attached to the shelf board, and a cover member for closing a gap between the front of the shelf board having the same width as the shelf board and the rear board of the inner box is attached to the shelf board. An open showcase characterized by being locked to interlock. The shelf plate is provided with a slit that penetrates the shelf plate in the front-rear direction, and the cover member has an insertion piece that passes through the slit and can be fixed or engaged with a part of the support rod. The open showcase according to claim 1, wherein the cover member and the support rod can be interlocked. The insertion piece provided in the cover member has at least a bifurcated locking groove, and by narrowing a part of the support rod with the locking groove, the cover member and the support rod are interlocked. The open showcase according to claim 2, wherein the opening portion of the cover member is a notch groove that opens downwardly, and that enables the locking portion of the support rod formed at the distal end portion of the cover member to open. At least the tip of the support rod is formed with a locking groove that can be locked to a locking hole provided in the showcase, and this locking groove is slightly wider than the thickness of the locking hole. The open showcase according to any one of claims 1 to 3, wherein the open showcase is a notched semicircular groove having a diameter of.

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