JP6707815B2 - Showcase - Google Patents

Description

The present invention relates to a showcase, and more particularly, are those relating to items to be stored subject to the showcase to hold the desired temperature state.

Conventionally, the following are known as showcases for holding products to be stored in a desired temperature state. A plurality of product loading shelves are provided in a plurality of stages along the vertical direction in the storage chamber of the case body having an opening formed on the front surface, and the products are loaded on the shelf boards of the respective product loading shelves. . In addition, an air passage through which air in the storage chamber sucked through the suction port passes is formed in a place inside the case body and outside the storage chamber, and an evaporator is disposed in this air passage. ing. The air passing through the air passage is cooled by the evaporator and then blown out from the air outlet provided at the upper part of the storage chamber. The air blown from the air outlet is sucked into the suction port and circulates, so that the products placed on the product placing rack are adjusted to a desired temperature and held.

In such a showcase, a machine room is formed below the storage room in the case body. An opening is formed in the front surface of the machine room, and inside the machine room, refrigerating equipment such as a compressor and a condenser that constitute a refrigerating cycle together with the evaporator are arranged. The front opening of the machine room is closed by a kick plate. The kick plate is detachably arranged on the case body, and has a plurality of ventilation holes for supplying outside air to the refrigeration equipment.

The upper surface and both left and right side surfaces of the condenser are surrounded by a fan case, and a condenser filter for capturing dust in the outside air passing through the ventilation holes is provided on the front side of the condenser. Supported by. Thereby, clogging of the condenser can be suppressed (see, for example, Patent Document 1).

JP, 2003-240410, A

By the way, in the above-mentioned showcase proposed in Patent Document 1, the condenser filter is supported by the fan case, and the front opening of the machine room is closed by the kick plate. Therefore, the condenser filter is cleaned or replaced. When doing so, it was necessary to remove the kick plate.

Since the kick plate is attached to the case main body in a manner of closing the front opening of the machine room by using a fastening member such as a screw, it is necessary to release the fastening by the fastening member in order to take out the kick plate. It was complicated to remove the kick plate.

Therefore, in actual operation, since the kick plate is complicated to take out, the frequency of cleaning the condenser filter becomes low, which leads to a reduction in the air passing around the condenser and the operation of the refrigeration equipment. There was a risk that the efficiency would decrease.

In view of the above situation, it is an object of the present invention to provide a showcase that can improve the operating efficiency of refrigeration equipment by improving the cleaning frequency of the condenser filter.

In order to achieve the above object, a showcase according to the present invention is detachably provided in a manner of closing an opening of a machine room of a housing, and supplies outside air to a refrigerating machine installed in the machine room. A kick plate having a plurality of ventilation holes formed in the ventilation region, a filter frame having a substantially rectangular shape, and a filter held by the filter frame so as to cover the filter opening formed in the filter frame. And a soft condenser filter for suppressing clogging of a condenser constituting the refrigerating machine, the kick plate is formed in the vicinity of the ventilation area. is a notch for inserting or one part of the previous SL condenser filter, the condenser filter inserted through the notch at between the condenser and the vent hole is exposed from the notch The condenser filter is moved in the left-right direction by a pair of left and right supporting left and right supporting portions that support the portion in contact with the front surface of the housing and have portions facing each other behind the kick plate. The condenser filter, the condenser filter is a protrusion formed in a manner protruding outward at a position above the upper edge of the filter opening in the left and right ends of the filter frame. And a through hole formed inward of the protrusion, wherein the supporting portion is for the condenser inserted from the cutout portion in portions of the supporting left side portion and the supporting right side portion facing each other. It is characterized in that the projection of the filter is provided with an engagement hole that allows the projection to enter due to an elastic restoring force .

According to the present invention, in the showcase , the condenser filter has a handle portion formed at an upper end portion, the cutout portion is formed above the ventilation region, and the support portion has the handle portion. Is supported in a state of being exposed from the cutout portion.

According to the present invention, the notch formed in the vicinity of the ventilation region allows the condenser filter to be inserted, and the support part supports the condenser filter inserted through the notch between the ventilation hole and the condenser. Therefore, the condenser filter can be easily attached and detached without removing the kick plate. Therefore, it is possible to improve the frequency of cleaning the condenser filter and improve the operation efficiency of the refrigeration equipment.

In particular, since the condenser filter is soft, the condenser filter itself is easily deformed. Therefore, the support portion can support the portion of the condenser filter exposed from the cutout portion in contact with the front surface of the housing, and also acts on the kick plate when the condenser filter is separated from the kick plate. By minimizing the force exerted, it is possible to prevent the kick plate from coming off the housing.

Figure 1 is a cross-sectional side view of the embodiment der Cie Yokesu of the present invention. FIG. 2 is a front view of the kick plate shown in FIG. 1 viewed from the front side. 3 is a cross-sectional view taken along the line AA in FIG. FIG. 4 is a sectional view taken along line BB in FIG. FIG. 5 is a front view showing the condenser filter shown in FIG. 1. FIG. 6 is an explanatory diagram showing a state in which the condenser filter is attached to the kick plate. FIG. 7: is explanatory drawing which shows the protrusion part of the filter for condensers. FIG. 8: is explanatory drawing which shows the state which attaches the filter for condensers to a kick plate. FIG. 9: is explanatory drawing which shows the protrusion part of the filter for condensers.

Preferred embodiments of a showcase according to the present invention will be described in detail below with reference to the accompanying drawings.

Figure 1 is a cross-sectional side view of the embodiment der Cie Yokesu of the present invention. The showcase illustrated here includes a case body 10.

The case body 10 is a substantially rectangular housing, and is provided with a housing chamber 10a having a heat insulating structure and a machine room 10b provided in a lower region of the housing chamber 10a. A front opening 11 is formed in the storage chamber 10a, a storage chamber 12 is defined therein, and an air circulation means 20 is provided therein.

The storage room 12 is a room defined so as to face the front opening 11, and a plurality of product display shelves 13 are arranged in a plurality of rows in the vertical direction.

The air circulation means 20 is configured to include an air passage 21 and a circulation fan 22. The air passage 21 is a passage for air from the suction port 23 to the air outlet 24. Here, the suction port 23 is an opening for sucking air inside the storage chamber 12, and extends along the left-right direction of the storage chamber 12. The suction port 23 is arranged at the lower front edge of the storage chamber 12, that is, at the lower portion of the case body 10 near the front opening 11.

The air outlet 24 is an opening for blowing air into the storage chamber 12, and extends along the left-right direction of the storage chamber 12. The outlet 24 is provided at the upper front edge of the storage chamber 12, that is, at the upper portion of the case body 10 near the front opening 11.

Such an air passage 21 is provided outside the storage chamber 12 and below the lower duct 21a, outside the storage chamber 12 and behind the rear duct 21b on the back side thereof, and outside the storage chamber 12. The upper duct 21c above the lever is connected to each other.

The circulation fan 22 circulates air and is arranged at a predetermined portion of the lower duct 21a. In the present embodiment, the circulation fan 22 is arranged at a predetermined portion of the lower duct 21a, but the arrangement portion of the circulation fan 22 is not particularly limited in the present invention, and the circulation fan 22 is not particularly limited. It may be arranged at any location as long as it can exert its function.

In such an air circulation means 20, the circulation fan 22 is driven to suck in the air inside the storage chamber 12 through the suction port 23, and the sucked air is sent to the outlet 24 in a manner of passing through the air passage 21. Then, the air is blown into the storage chamber 12 through the air outlet 24 to circulate the air between the inside and the outside of the storage chamber 12.

An evaporator 25 is provided in the back duct 21b of the air passage 21. The evaporator 25 constitutes a refrigerant circulating means for circulating a refrigerant together with refrigeration equipment such as the compressor 26 and the condenser 27 arranged in the machine room 10b. Here, the compressor 26 is for compressing the refrigerant, and the condenser 27 is for condensing the refrigerant compressed by the compressor 26. The refrigerant condensed in the condenser 27 is adiabatically expanded by an expansion mechanism (not shown) to be in a low temperature and low pressure state. Further, on the rear side of the condenser 27, a first outside-air blowing fan 28 is provided. Further, on the rear side of the compressor 26, a second outside-air blowing fan 29 is provided.

The evaporator 25 exchanges heat between the air passing through the rear duct 21b from the lower side to the upper side by driving the circulation fan 22 and the refrigerant adiabatically expanded by the expansion mechanism. More specifically, the evaporator 25 By evaporating, the air passing through the back duct 21b (air passage 21) is cooled. The refrigerant evaporated in the evaporator 25 returns to the compressor 26 and is compressed again.

The machine room 10b is provided in the lower area of the accommodation room 10a, and is closed at the rear, right and left. An opening 30 is formed on the front surface of the machine room 10b, and the opening 30 is closed by a kick plate 40. The kick plate 40 will be described later.

An exhaust duct 31 communicates with the machine room 10b. The exhaust duct 31 is provided on the rear side of the rear duct 21b of the air passage 21 so as to be separated from the rear duct 21b, and extends in the vertical direction. The exhaust duct 31 has an exhaust inlet 32 formed in the lower part and an exhaust port 33 formed in the upper part. The exhaust gas inlet 32 is an opening that communicates with the machine room 10b. The discharge port 33 is an opening for discharging the air passing through the discharge duct 31 to the outside.

2 to 4 respectively show the kick plate 40 shown in FIG. 1, FIG. 2 is a front view seen from the front side, and FIG. 3 is a sectional view taken along the line AA in FIG. 4 is a sectional view taken along line BB in FIG.

As shown in FIGS. 2 to 4, the kick plate 40 includes a ventilation hole 41, a cutout portion 42, and a support portion 43.

A plurality of ventilation holes 41 are formed in the ventilation region 40a of the kick plate 40. The ventilation region 40 a is a region located on the front side of the condenser 27, and more specifically, a region facing the condenser 27. The ventilation holes 41 are for supplying the outside air to the condenser 27 and the like by driving the first outside ventilation fan 28, respectively.

The cutout portion 42 is formed in an upper portion of the ventilation region 40a and has a long shape in which the left-right direction is the longitudinal direction. The support portion 43 includes a support piece 431, a pair of left and right support left portions 432 and a right support portion 433.

The support piece 431 is configured by bending a lower end portion of the kick plate 40 rearward, and has a rear supporting extension portion 431a extending rearward and an extending end portion of the rear supporting extension portion 431a upward. The support upper extending portion 431b extending toward is continuously formed. It should be noted that discharge holes 434 are formed in the support rear extension 431a of the support piece 431 at predetermined intervals along the longitudinal direction, that is, the left-right direction.

The support left side portion 432 is formed on the rear surface of the kick plate 40 on the left side of the cutout portion 42, and extends rearward from the left base portion 432a attached to the rear surface of the kick plate 40 and the right end portion of the left base portion 432a. A left rear extending portion 432b that extends and a left right extending portion 432c that extends rightward from an extending end portion of the left rear extending portion 432b are integrally formed.

The support right side portion 433 is formed on the right side of the cutout portion 42 on the rear surface of the kick plate 40, and extends rearward from the right base portion 433a attached to the rear surface of the kick plate 40 and the left end portion of the right base portion 433a. A right rear extending portion 433b extending and a right left extending portion 433c extending leftward from an extending end portion of the right rear extending portion 433b are integrally formed.

The separation distance between the left rear extending portion 432b of the left supporting portion 432 and the right rear extending portion 433b of the right supporting portion 433 in these supporting portions 43 is slightly larger than the lateral width of the condenser filter 50 described later. The separation distance between the left right extension 432c of the support left side portion 432 and the right left extension 433c of the support right side portion 433 is smaller than the left-right width of the condenser filter 50. Further, the lower ends of the support left side portion 432 and the support right side portion 433 of the support portion 43 are in contact with the support piece 431.

Further, the support portion 43 is formed with an engagement hole portion 435. The engagement hole portion 435 is formed in the support left side portion 432 and the support right side portion 433, and is formed by cutting out the left rear extension portion 432b and the right rear extension portion 433b slightly below the cutout portion 42. ing.

In the kick plate 40 having such a structure, the locking pieces 44 formed at the lower end enter into the locking holes (not shown) formed in the case body 10, and the kick plates 40 are provided on the back sides of both sides. The magnetized portion is attracted by a magnet (not shown) installed in the case body 10 by a magnetic force to close the opening 30 on the front surface of the machine room 10b.

FIG. 5 is a front view showing the condenser filter 50. The condenser filter 50 illustrated here has a substantially rectangular shape, and a filter portion 52 is held by a soft resin filter frame 51 having a filter opening 51a formed therein so as to cover the filter opening 51a. Is configured. The condenser filter 50 captures dust contained in the air while allowing passage of the air.

The condenser filter 50 includes a handle 53 and a protrusion 54. The grip portion 53 is configured by bending the upper end portion of the filter frame 51 toward the front.

The protrusions 54 are a pair of left and right portions formed on the left and right end portions of the filter frame 51, slightly above the upper edge portion of the filter opening 51a. Those provided on the left end of the filter frame 51 project leftward, and those on the right end of the filter frame 51 project rightward. Further, a through hole 55 having a different shape is formed on the inner side of the protrusions 54. The through hole 55 is for allowing the protrusion 54 to be elastically deformed when the protrusion 54 is pressed from the outside.

The condenser filter 50 having the above configuration is supported by the kick plate 40 as follows.

When the condenser filter 50 is inserted from the notch 42 as shown in FIG. 6, a part of the lower end of the filter frame 51 is in sliding contact with the left right extension 432c and the right left extension 433c. When the condenser filter 50 is gradually inserted from the cutout portion 42 in a state where a part of the lower end portion of the filter frame 51 is in sliding contact with the left right extension portion 432c and the right left extension portion 433c, the condenser filter 50 bends. To flex. As described above, the separation distance between the left rear extending portion 432b and the right rear extending portion 433b is slightly larger than the lateral width of the condenser filter 50. Therefore, when the condenser filter 50 is inserted through the cutout portion 42. The left end of the filter frame 51 slides on the left rear extension 432b, and the right end of the filter frame 51 slides on the right rear extension 433b. Then, as shown in FIG. 7, the protrusions 54 formed on both left and right ends of the filter frame 51 are pressed by the left rear extension 432b and the right rear extension 433b and elastically deformed inward. There is.

After that, when the lower end of the filter frame 51 contacts the support piece 431 (post-support extension 431a) as shown in FIG. 8, the protrusion 54 faces the engagement hole 435 formed in the support 43. As a result, as shown in FIG. 9, the protrusion 54 enters the engaging hole 435 by the elastic restoring force. In this case, the upper end portion of the filter frame 51, that is, the portion exposed from the cutout portion 42 is in contact with the front surface of the case body 10.

In this way, in the kick plate 40, the condenser filter 50 inserted through the notch 42 between the ventilation hole 41 and the condenser 27 is in contact with the front surface of the case body 10 at the portion exposed from the notch 42. Support in the state. Accordingly, the condenser filter 50 can suppress clogging of the condenser 27.

By the way, when the grip portion 53 is gripped by the operator and pulled out upward, in the condenser filter 50, the protrusion 54 is disengaged from the engaging hole portion 435, and the left rear extending portion 432b and the right rear extending portion are formed. It is pressed by 433b and elastically deformed inward (see FIG. 7), and the filter frame 51 is taken out to the outside through the notch 42 while being in contact with the front surface of the case body 10 above the notch 42.

As described above, according to the kick plate 40, the notch 42 formed in the upper portion of the ventilation area 40a allows the condenser filter 50 to be inserted, and the support portion 43 causes the ventilation hole 41 and the condenser 27 to be connected. Since the condenser filter 50 inserted through the notch 42 is supported between them, the condenser filter 50 can be easily attached and detached without removing the kick plate 40. Therefore, the frequency of cleaning the condenser filter 50 can be improved, and the operation efficiency of the refrigeration equipment of the compressor 26 and the condenser 27 can be improved.

Particularly, since the condenser filter 50 is made of soft resin, the condenser filter 50 itself is easily deformed. Therefore, the support portion 43 can support the portion of the condenser filter 50 exposed from the cutout portion 42 in contact with the front surface of the case body 10, and when the condenser filter 50 is detached from the kick plate 40, By minimizing the force acting on the kick plate 40, it is possible to prevent the kick plate 40 from coming off the case body 10.

According to the kick plate 40, when the engagement hole portion 435 of the support portion 43 supports the condenser filter 50, the protrusion 54 formed on the condenser filter 50 is prevented from entering due to the elastic restoring force. Since this is allowed, it is possible to give a feeling of operation such as a click feeling to an operator who inserts the condenser filter 50. Thereby, it can be easily determined that the condenser filter 50 is attached.

According to the kick plate 40, since the cutout portion 42 is formed in the aspect in which the left-right direction is the longitudinal direction above the ventilation region 40a, the condenser filter 50 is inserted downward into the cutout portion 42. Since the condenser filter 50 can be drawn upward while being supported by the supporting portion 43, the workability is improved considering that the machine room 10b is installed in the lower region of the case body 10. Can be good.

According to the kick plate 40, the support portion 43 supports the condenser filter 50 so that the handle portion 53 is exposed from the cutout portion 42. Therefore, the operator can easily grasp the handle portion 53 to facilitate the condenser filter 50. Can also be taken out, which also improves workability.

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 condenser filter 50 has been described as being made of a soft resin. However, in the present invention, any material other than resin may be used as long as the condenser filter is soft.

In the above-described embodiment, the engaging hole 435 is provided in the left rear extension 432b and the right rear extension 433b, but in the present invention, the protrusion formed on the condenser filter is allowed to enter. It may be formed on any part of the kick plate as long as it is a material.

10 Case Main Body 10a Storage Room 10b Machine Room 11 Front Opening 12 Storage Room 13 Product Display Shelf 20 Air Passage 22 Circulation Fan 23 Suction Inlet 24 Outlet 25 Evaporator 27 Condenser 28 1st Outside Air Fan 30 Open 40 Kick Plate 40a Ventilation area 41 Ventilation hole 42 Notch 43 Support portion 435 Engagement hole 50 Condenser filter 51 Filter frame 53 Handle 54 Protrusion

Claims (2)

A kick plate detachably provided so as to close the opening of the machine room of the housing and having a plurality of ventilation holes formed in the ventilation region for supplying outside air to the refrigeration equipment installed in the machine room. When,
A filter frame having a substantially rectangular shape and a filter portion held by the filter frame so as to cover the filter opening formed in the filter frame, and an eye of a condenser forming the refrigerating machine. In a showcase equipped with a soft condenser filter for suppressing clogging,
The kick plate is
A notch formed in the vicinity of the ventilation region, and into which a part of the condenser filter is inserted,
The condenser filter inserted through the cutout portion between the ventilation hole and the condenser supports the portion exposed from the cutout portion in contact with the front surface of the housing, and A pair of left and right supporting left and right supporting portions having a portion facing each other behind the kick plate, and a supporting portion for restricting lateral movement of the condenser filter by the supporting right portion,
The condenser filter,
A protrusion having a portion formed in a manner to protrude outward, at a site above the upper edge of the filter opening in the left and right ends of the filter frame,
A through hole formed inside the protrusion,
The support portion is an engagement hole portion that allows the protrusion portion of the condenser filter inserted from the cutout portion to enter into the opposing portions of the support left side portion and the support right side portion by elastic restoring force. Showcase characterized by having. The condenser filter has a handle portion at the upper end,
The showcase according to claim 1, wherein the cutout portion is formed above the ventilation region, and the support portion supports the grip portion in a state where the grip portion is exposed from the cutout portion.

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