JP5160199B2 - Louver support structure in flat showcase - Google Patents

Description

  The present invention relates to a flat-type showcase that cools the interior with cold air blown out from a cold air outlet toward a cold air inlet.

  Conventionally, as this type of flat showcase, for example, a cold air outlet is provided at the upper part on the back side of a flat showcase body having an opening on the upper side, and is generated by a cooler in the flat showcase. The cool air is blown by a blower, rectified so that the cool air can be blown out toward the interior of the flat showcase by a louver attached to the showcase back plate near the cool air outlet, There is one that blows out cold air from a cold air outlet (see, for example, Patent Document 1).

Japanese Unexamined Patent Publication No. 2004-251595 (page 4, FIG. 1)

  However, in the louver support structure in the flat type showcase described in Patent Document 1, in order to support the louver via the fixing bracket, the fixing bracket itself is first attached in the cold air outlet, and is viewed from the side. Because the louvers must be attached sequentially from the back side to the fixing bracket formed in a staircase shape, it is not only easy to attach the louver, but it takes time to install, and the user attaches in a posture that takes a long load. There was a problem of having to work.

  The present invention has been made paying attention to such problems, and provides a support structure for a louver in a flat showcase that is easy to attach and has a low burden on the user who attaches the louver. Objective.

In order to solve the above-mentioned problem, a support structure for a louver in a flat type showcase according to claim 1 of the present invention forms a ventilation path between an inner box and an outer box that open upward, and the inside of this ventilation path A flat showcase that cools the interior with cool air that is blown out from the cold air outlet on the rear side of the ventilation path toward the cold air inlet on the front side of the interior. ,
A hat-shaped fixing bracket that has a plurality of protruding stepped portions that open toward the front wall of the outer box and that sequentially reduce the opening width toward the front side;
A plurality of louvers extending left and right for rectifying cold air from the vertical direction to the horizontal direction from the upper edge of the back wall of the inner box toward the cold air outlet, sequentially from the front wall side of the outer box to the front side, sequentially Attached to the protruding step, the fixing bracket is attached to the front wall of the outer box , the louver and the fixing bracket are attached by screwing, and the fixing bracket is attached to the front wall of the outer box to the louver A through hole is formed, and each louver is provided with a notch through which the protruding step portion of the fixing bracket is inserted, except for the louver at the end on the cold air outlet side. Yes.
According to this feature, it is easy to attach the louver to the flat showcase by previously sub-assembling the louver and the fixing bracket and attaching the sub-assembled fixing bracket to the front wall of the outer box. In addition, since the time required for attaching the louver is shortened, it is not necessary for the user to perform the attaching operation in a posture in which a load is applied for a long time, and the load on the user is reduced. In addition, by increasing the length of the fixing bracket in the cold air flow direction, the louver can be screwed to the fixing bracket at a plurality of locations to strengthen the attachment. Furthermore, a plurality of louvers can be easily attached to the fixing bracket in a multilayer shape.

The louver support structure in the flat type showcase according to claim 2 of the present invention is such that a ventilation path is formed between the inner box and the outer box that are open at the top, and a cooler and a blower are arranged in the ventilation path. And, a flat showcase that cools the interior by cold air blown out from the cold air outlet on the back side of the ventilation path toward the cold air inlet on the front side of the interior,
A hat-shaped fixing bracket having a plurality of projecting stepped portions that open toward the front wall of the outer box and sequentially reduce the opening width toward the front side; A plurality of louvers extending left and right for rectifying the cold air from the vertical direction to the horizontal direction from the upper edge toward the cold air outlet are sequentially attached to the protruding step portion from the front wall side of the outer box to the front side, A fixing bracket is attached to the front wall of the outer box, and the louver and the fixing bracket are attached by screwing, and a through-hole for attaching the fixing bracket to the front wall of the outer box is formed in the louver. In addition, except for the end portion on the cold air outlet side, each protruding step portion of the fixing bracket is formed with a notch through which the end portion of the louver can be inserted from above .
According to this feature, it is easy to attach the louver to the flat showcase by previously sub-assembling the louver and the fixing bracket and attaching the sub-assembled fixing bracket to the front wall of the outer box. In addition, since the time required for attaching the louver is shortened, it is not necessary for the user to perform the attaching operation in a posture in which a load is applied for a long time, and the load on the user is reduced. In addition, by increasing the length of the fixing bracket in the cold air flow direction, the louver can be screwed to the fixing bracket at a plurality of locations to strengthen the attachment. Furthermore, it is not necessary to form notches in the plurality of louvers, and the louvers can be firmly attached to the fixing bracket.

The louver support structure in the flat showcase according to claim 3 of the present invention is the louver support structure in the flat showcase according to claim 1 or 2, wherein the fixing bracket has a length in the cold air flow direction. is is characterized constant der Rukoto over the respective protruding step.
According to this feature, the fixing bracket can be manufactured by press forming a rectangular plate or the like, so that it is easy to manufacture and a strong structure can be obtained.

  The best mode for carrying out a louver support structure in a flat showcase according to the present invention will be described below based on an embodiment.

  An embodiment of the present invention will be described with reference to the drawings. First, FIG. 1 is a vertical side view showing a flat type showcase in Embodiment 1, and FIG. 2 shows a first louver and a second louver through a fixture. Fig. 3 (a) is a front view showing the fixing bracket, and Fig. 3 (b) is a plan view showing the fixing bracket. FIG. 3C is a side view showing the fixing bracket, FIG. 4 is a front view showing the first louver, and FIG. 5 is an assembly showing a state in which the first louver is attached to the fixing bracket. FIG. 6 is a front view showing the second louver, FIG. 7 is an assembled perspective view showing a state in which the second louver is attached to the fixing bracket, and FIG. 8 is a diagram showing the first louver and the second louver. FIG. 9 is a front view showing a state in which the louver is attached to the fixing bracket, and FIG. Ba and the second louver is an enlarged vertical sectional side view showing a state attached to the outer box front wall via the fixing bracket. Hereinafter, the left side of FIG. 1, FIG. 2, FIG. 3 (c) and FIG. 9 is the front side of the louver support structure in the flat type showcase, and the front side of FIG. 3 (a), FIG. The side will be described as the front side of the louver support structure in the flat showcase, and the lower side in FIG. 3B will be described as the front side of the louver support structure in the flat showcase.

  Reference numeral 1 in FIG. 1 is a flat showcase to which the present invention is applied. This flat type showcase 1 is installed in a plurality of stores mainly handling foods such as stores, supermarkets, convenience stores, etc., and is installed to display the products while keeping the products cold or frozen. Refrigerated showcase.

  As shown in FIG. 1, a flat showcase 1 includes an inner box 2 that is opened upward, and an outer box 3 that is open at the same top as the inner box 2 and is provided so as to surround the inner box 2. The outer box 3 is composed of a heat insulating member made of foamed urethane resin material and the like, and a surface plate such as steel metal covering the front and back surfaces of the heat insulating member. A cover body 4 made of steel metal or the like is attached.

  A ventilation path 5 is formed between the outer box 3 and the inner box 2, and the showcase body 6 is formed by the outer box 3 and the inner box 2. A cooling device 7 and a blower 8 are provided in the ventilation path 5. Further, the product can be displayed on the bottom plate 10 in the refrigerating chamber 9 as a warehouse surrounded by the inner box 2 opened upward.

  On the front side of the showcase body 6, a cold air inlet 11 for taking air into the ventilation path 5 is formed, and on the back side of the showcase body 6, a cold air outlet 12 for cool air cooled by the cooling device 7. Is formed. From this cold air outlet 12, the cold air cooled by the cooling device 7 by the operation of the blower 8 is blown out toward the cold air inlet 11, and the air curtain that closes the opening above the inner box 2 of the showcase body 6. 13 is formed.

  By supplying a part of the air curtain 13 into the refrigerator compartment 9, the refrigerator compartment 9 can be kept at a constant low temperature, and the products (not shown) placed in the refrigerator compartment 9 can be stored in the refrigerator compartment. It can be displayed in a frozen state.

  Further, as shown in FIG. 2, a first louver 14 and a second louver 15 are arranged from the rear side upper end of the ventilation path 5 to the cold air outlet 12. The first louver 14 and the second louver 15 extend from the showcase body 6 in the left-right direction, and are arranged vertically from the vertical portions 14a, 15a and the vertical portions 14a, 15a that are arranged substantially vertically in the ventilation path 5. It is formed in a substantially L shape in a side view including rectifying portions 14b and 15b bent to the front side. The vertical portion 15a is formed shorter in the vertical direction than the vertical portion 14a.

  The first louver 14 and the second louver 15 are attached to the front wall 3a of the outer box via the fixing bracket 16 at the vertical parts 14a and 15a, and the upper edge of the back wall of the inner box 2 by the vertical parts 14a and 15a. From the vertical direction to the substantially horizontal direction, the cold air is rectified from the vertical direction toward the cold air outlet 12.

  Next, the fixture 16 to which the first louver 14 and the second louver 15 are attached will be described with reference to FIG. The fixture 16 is manufactured by pressing a substantially rectangular plate made of steel metal or the like, and is open toward the back wall of the outer box 3 as shown in FIG.

  The left and right ends of the fixing bracket 16 are formed on a mounting piece 16a that is attached to the front wall 3a of the outer box by a mounting screw 17 (see FIG. 9). The mounting screw 17 is inserted into the mounting piece 16a. A mounting hole 16b is provided. Further, a first protruding step portion 16 c that protrudes toward the cold air outlet 12 (front side) is provided between the inner end portions of both the mounting pieces 16 a of the fixing bracket 16.

  In addition, as shown to Fig.3 (a), the center part of the 1st protrusion step part 16c protruded further toward the cool air blower outlet 12 side (front side) rather than the right-and-left end part of the 1st protrusion step part 16c. A second protruding step 16f is provided, and the front side of the second protruding step 16f is formed on a second vertical surface 16g that is parallel to the outer casing front wall 3a. Further, the front side of the first projecting step 16c located on the left and right of the second vertical surface 16g is formed on the first vertical surface 16d which is parallel to the outer casing front wall 3a in the same manner as the second vertical surface 16g.

  As shown in FIGS. 3A and 3B, the first vertical surface 16d of the first protruding step portion 16c located on the left and right sides of the second protruding step portion 16f has a pair of upper and lower pairs. One screw hole 16e is provided. Similarly, a pair of upper and lower second screw holes 16h are provided in the second vertical surface 16g, and the fixture 16 is symmetrical with respect to a straight line connecting the center of the second screw hole 16h above and below the second vertical face 16g. Is formed.

  In addition, the fixing bracket 16 sequentially decreases the opening width opened toward the outer case front wall 3a toward the front side (cold air outlet 12 side) by the first protruding step portion 16c and the second protruding step portion 16f. The fixing bracket 16 has a hat shape in plan view. Furthermore, as shown in FIGS. 3 (a) and 3 (c), the fixing bracket 16 has a cold-air flow direction in the ventilation path 5, that is, a length in the vertical direction, the first projecting step portion 16c, All are constant over the 2nd protrusion step part 16f and the attachment piece 16a. Therefore, the fixture 16 is easy to manufacture and has a strong structure.

  Next, the first louver 14 will be described. As shown in FIG. 4, a notch 14 c is provided from the lower end in the vicinity and the center of the vertical portion 14 a of the first louver 14 in the vicinity of the left and right ends of the front view. These notches 14c are formed such that the left and right lengths can be inserted through the second projecting step portion 16f of the fixing bracket 16, and the vertical length is the vertical length of the fixing bracket 16, that is, the first projecting step portion. 16c and the 2nd protrusion step part 16f are formed longer than the up-and-down length.

  Further, on the left and right sides of the notches 14c, there are provided first through holes 14d as through holes having a diameter larger than that of the attachment holes 16b provided in the attachment pieces 16a of the fixing bracket 16, and each first through hole is provided. A pair of upper and lower first insertion holes 14e is provided between the hole 14d and the notch 14c. Further, a cover hole 14f having the same diameter as the first insertion hole 14e is provided above the notches 14c.

  The vertical interval between the first insertion holes 14e is the same as that of the first screw holes 16e provided in the first vertical surface 16d of the fixing bracket 16, and the first insertion holes 14e adjacent to each other with the notch 14c interposed therebetween. The left and right intervals are the same as those of the first screw holes 16e adjacent to each other with the second projecting step portion 16f interposed therebetween (see FIG. 3A).

  To attach the first louver 14 to the fixing bracket 16, first, as shown in FIG. 5, first, the second protruding step portion 16 f of the fixing bracket 16 is inserted into the notch 14 c of the first louver 14. Then, after the back surface of the vertical portion 14a of the first louver 14 and the first vertical surface 16d of the fixing bracket 16 are brought into contact with each other, the respective first insertion holes 14e and the first screw holes 16e are aligned, and the first The screw 18 is inserted through the insertion hole 14e. The screws 18 inserted through the first insertion holes 14e are screwed into the first screw holes 16e, whereby the attachment of the first louver 14 to the fixing bracket 16 is completed.

  FIG. 5 shows the attachment of the first louver 14 to the fixing bracket 16 at the notch 14c in the vicinity of the right end of the first louver 14 when viewed from the front. Is attached to the fixing bracket 16.

  Next, the second louver 15 will be described with reference to FIG. A pair of left and right second through holes 15 c are provided in the vicinity and center of the left and right ends of the vertical portion 15 a of the second louver 15 when viewed from the front. These second through holes 15c have the same diameter as the first through holes 14d provided in the vertical portion 14a of the first louver 14, and are also formed with the same left-right spacing.

  In addition, a pair of upper and lower second insertion holes 15d is provided between the pair of second through holes 15c, and the upper and lower intervals are the second screw holes provided in the second vertical surface 16g of the fixture 16. It is formed to have the same vertical interval of 16h. The second louver 15 is not provided with a notch like the first louver 14.

  As shown in FIG. 7, in order to attach the second louver 15 to the fixing bracket 16, after the first louver 14 is attached to the fixing bracket 16, the back surface of the vertical portion 15 a of the second louver 15 and the second of the fixing bracket 16. The vertical surface 16g is brought into contact. Then, the second insertion hole 15d and the second screw hole 16h are aligned, the screw 18 is inserted into the second insert hole 15d, and the screw 18 is screwed into the second screw hole 16h. With the above procedure, the attachment of the second louver 15 and the fixing bracket 16 is completed.

  7 shows the attachment of the first louver 14 to the fixing bracket 16 in the vicinity of the right end of the second louver 15 when viewed from the front, but also in the vicinity of the right end and the center. The second louver 15 is attached to the fixture 16 by the same method, whereby the first louver 14, the second louver 15 and the fixture 16 are sub-assembled.

  As shown in FIG. 8, as described above, when the first louver 14 and the second louver 15 are attached to the fixture 16, the first through hole 14 d of the first louver 14 and the second through hole of the second louver 15. 15 c is arranged coaxially with the mounting hole 16 b of the fixing bracket 16. Further, the cover hole 14f of the first louver 14 is disposed so as to be positioned between the rectifying units 14b and 15b.

  As shown in FIG. 9, when the fixing bracket 16 is attached to the outer box front wall 3a, the attachment screw 17 is inserted from the first through hole 14d and the second through hole 15c arranged coaxially with the attachment hole 16b. The insertion allows the user to easily insert the mounting screw 17 into the mounting hole 16b and screw the fixing bracket 16 to the outer box front wall 3a. This completes the attachment of the first louver 14 and the second louver 15 to the outer box front wall 3a via the fixing bracket 16.

  In the state where the first louver 14 and the second louver 15 shown in FIG. 9 are attached to the outer case front wall 3a via the fixing bracket 16, when the cover body 4 is removed from the outer case, the cover hole 14f can be removed. By operating the screw 19 to which the cover body 4 is screwed, the cover body 4 can be detached without removing the first louver 14 and the second louver 15 from the outer box 3.

  As described above, in the flat showcase 1 according to the first embodiment, the first louver 14 and the second louver 15 and the fixture 16 are sub-assembled in advance, and the sub-assembly fixture 16 is attached to the front wall of the outer box. By attaching to 3a, the attachment of the 1st louver 14 and the 2nd louver 15 with respect to the showcase main body 6 becomes easy. In addition, since the time required for attaching the first louver 14 and the second louver 15 is shortened, it is not necessary for the user to perform the attaching operation in a posture in which a load is applied for a long time, and the load on the user is reduced.

  In addition, since the length of the fixing bracket 16 in the cold air flow direction is constant over the first protruding step portion 16c and the second protruding step portion 16f, the fixing bracket 16 is manufactured by press forming a rectangular plate. Can do. Moreover, it is comprised as a firm structure.

  Further, the first louver 14 and the second louver 15 are provided with the first through hole 14d and the second through hole 15c for attaching the fixing bracket 16 to the outer box front wall 3a. Even after assembling 15 and the fixture 16, the first louver 14 and the second louver 15 do not hinder the attachment of the fixture 16. Further, by increasing the length of the fixing bracket 16 in the cold air flow direction, the first louver 14 and the second louver 15 can be screwed to the fixing bracket 16 at two or more locations to strengthen the attachment. it can.

  Further, except for the second louver 15 on the cold air outlet 12 side, the first louver 14 is provided with a notch 14c through which the second protruding step portion 16f of the fixing bracket 16 is inserted, so that a plurality of louvers are provided. Can be attached to the fixing bracket 16 in a multilayer form.

  Next, a louver support structure in a flat showcase according to the second embodiment will be described with reference to FIGS. 10 (a) to 10 (c) and FIG. In addition, the same structure as the said Example and the overlapping structure are abbreviate | omitted. FIG. 10A is a front view showing the fixing bracket in the second embodiment, FIG. 10B is a plan view showing the fixing bracket, and FIG. 10C is a side view showing the fixing bracket. FIG. 11 is an assembly perspective view showing the assembly of the first louver and the fixing bracket. 10A is the front side of the louver support structure in the flat showcase, and the lower side of FIG. 10B is the front side of the louver support structure in the flat showcase. The front side of the sheet of (c) will be described as the front side of the louver support structure in the flat showcase.

  As shown in FIGS. 10 (a) to 10 (c), the fixing bracket 20 is attached to the rear end of both side pieces 20g of the second protruding step 20f further protruding from the first protruding step 20c of the fixing bracket 20. A notch 20h is provided from the upper end of the. The notch 20h has a vertical length from the upper end of the side piece 20g to the lower side of the mounting hole 20b provided in the mounting piece 20a, and is capable of being inserted through the vertical portion 21a of the first louver 21 from above. The width is formed (see FIG. 11).

  As shown in FIG. 11, a pair of left and right first through holes 21b are provided in the vicinity and center of the left and right ends of the vertical portion 21a of the first louver 21 when viewed from the front, and between these first through holes 21b. A pair of upper and lower first insertion holes 21c are provided on the left and right. The first through holes 21b are arranged so as to be on the same axis as the mounting holes 20b when attached to the fixing bracket 20, and the first insertion holes 21c are arranged on the same axis as the first screw holes 20e. Be placed.

  In order to attach the first louver 21 to the fixing bracket 20, the first insertion hole 21c and the first screw hole 20e are inserted into the notch 20h of the fixing bracket 20 from above from the lower end of the vertical portion 21a of the first louver 21. After the positioning, the screws are screwed into the first screw holes 20e from the first insertion hole 21c side, and the attachment of the first louver 21 is completed.

  After the first louver 21 is attached, the second louver 15 is attached to the fixing bracket 20 by the same procedure as in the first embodiment, and then the fixing bracket 20 is screwed to the front wall 3a of the outer box with the mounting screw 17 so that the first louver 21 is attached. The attachment of the louver 21 and the second louver 15 to the outer box front wall 3a through the fixing bracket 20 is completed.

  As described above, in the flat showcase 1 according to the second embodiment, the end portion of the vertical portion 21a of the first louver 21 from above is provided on the rear end portion of the side piece 20g of the second protruding step portion 20f of the fixing bracket 20. Therefore, it is not necessary to form a notch for assembling the first louver 21 to the fixing bracket 20, and the end portion of the vertical portion 21a of the first louver 21 is formed in the notch 20h. The first louver 21 and the fixing bracket 20 can be attached more firmly.

  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, in the above embodiment, the louver support structure according to the present invention is applied to the flat type showcase 1, but the showcase 1 may be a showcase that keeps the refrigerator compartment at a constant temperature by forming an air curtain from the air outlet to the inlet. Of course, the form of the showcase does not matter.

  Moreover, although the said flat type showcase 1 was demonstrated as what was installed alone in the said Example, for example, the double type which the same flat type showcase 1 became a pair may be sufficient.

  In the first embodiment, the first protrusion step 16c and the second protrusion step 16f are provided on the fixture 16, and the first louver 14 and the second louver 15 are attached, but a plurality of protrusion steps are further provided. You may make it attach a louver further according to the number of protrusion steps.

  Also in the second embodiment, it is also possible to form a plurality of protruding stepped portions formed with notches and attach a plurality of louvers.

  In the above embodiment, the louver is attached to the fixing bracket in the vicinity and center of the left and right end portions. Good.

It is a vertical side view which shows the flat type showcase in Example 1. FIG. It is a principal part expansion vertical side view which shows the state in which the 1st louver and the 2nd louver are attached to the outer case front wall via the fixture. (A) is a front view which shows a fixture, (b) is a top view which shows a fixture, (c) is a side view which shows a fixture. It is a front view which shows a 1st louver. It is an assembly perspective view which shows the state which attaches a 1st louver to a fixture. It is a front view which shows a 2nd louver. It is an assembly perspective view which shows the state which attaches a 2nd louver to a fixture. It is a front view which shows the state which attached the 1st louver and the 2nd louver to the fixture. It is a principal part expansion vertical side view which shows the state in which the 1st louver and the 2nd louver are attached to the outer case front wall via the fixture. (A) is a front view which shows the fixing metal fitting in Example 2, (b) is a top view which shows a fixing metal fitting, (c) is a side view which shows a fixing metal fitting. It is an assembly perspective view which shows the assembly of a 1st louver and a fixing bracket.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Flat type showcase 3a Outer box front wall 11 Cold air inlet 14 1st louver 14c Notch 14d 1st through-hole 15 2nd louver 15c 2nd through-hole 16 Fixing metal fitting 16b Mounting hole 16c 1st protrusion step part 16f 2nd protrusion Step 20 Fixing bracket 20b Mounting hole 20c First protruding step 20f Second protruding step 20g Side piece 20h Notch 21 First louver 21a Vertical portion 21b First through hole

Claims (3)

A ventilation path is formed between the inner box and the outer box that are open at the top, a cooler and a blower are arranged in the ventilation path, and the cool air from the cold air outlet on the rear side of the interior of the ventilation path to the cool air on the front side of the interior It is a flat showcase that cools the interior with cold air blown out toward the inlet,
A hat-shaped fixing bracket that has a plurality of protruding stepped portions that open toward the front wall of the outer box and that sequentially reduce the opening width toward the front side;
A plurality of louvers extending right and left to rectify the cold air from the vertical direction to the horizontal direction from the upper edge of the back wall of the inner box toward the cold air outlet,
From the front wall side of the outer box to the front side, the projecting step portion is sequentially attached, and the fixing bracket is attached to the front wall of the outer box. The louver and the fixing bracket are attached by screwing, and the louver Are provided with through holes for attaching the fixing bracket to the front wall of the outer box, and each louver has a protruding step of the fixing bracket except for the louver at the end on the cold air outlet side. A support structure for a louver in a flat showcase, characterized in that a notch through which a portion is inserted is provided . A ventilation path is formed between the inner box and the outer box that are open at the top, a cooler and a blower are arranged in the ventilation path, and the cool air from the cold air outlet on the rear side of the interior of the ventilation path to the cool air on the front side of the interior It is a flat showcase that cools the interior with cold air blown out toward the inlet,
A hat-shaped fixing bracket that has a plurality of protruding stepped portions that open toward the front wall of the outer box and that sequentially reduce the opening width toward the front side;
A plurality of louvers extending right and left to rectify the cold air from the vertical direction to the horizontal direction from the upper edge of the back wall of the inner box toward the cold air outlet,
From the front wall side of the outer box to the front side, the projecting step portion is sequentially attached, and the fixing bracket is attached to the front wall of the outer box. The louver and the fixing bracket are attached by screwing, and the louver A through-hole for attaching the fixing bracket to the front wall of the outer box is formed, and each protruding step portion of the fixing bracket from above, except for an end side on the cold air outlet side, A support structure for a louver in a flat showcase, wherein a notch capable of being inserted through an end of the louver is formed . The support structure for a louver in a flat type showcase according to claim 1 or 2 , wherein the length of the fixing metal in the cold air flow direction is constant over the protruding steps.

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