JPH03263581A - Structure of suction port cover for open showcase - Google Patents

Abstract

PURPOSE:To permit the attaching and/or detaching of a suction port cover easily by a method wherein an open showcase is equipped with the suction port cover, covering only the upper surface and the periphery of an opening for a suction port, formed with a multitude of ventilating holes and provided independently and detachably at the suction port regardless of other members. CONSTITUTION:Air, sucked by a fan 24 from a suction port 36 through a ventilating passage 35, is cooled by an evaporator 23 and becomes cold air, then, is blown off from an air discharging port 20 to form an air curtain covering an opening 2 and form circulating flow 25, cooling the inside of a case 1 and circulated, whereby commodities, displayed and shown on a copper rack 18 and display racks 22, are refrigerated. A suction port cover 33 can be removed easily without using any tool and the like upon cleaning the inside of the suction port 36, formed with a multitude of ventilating holes 10, and the periphery of the same since the suction port cover 33 is designed so as to have a size covering only the suction port 36 and the periphery of the same and so as to be supported by the main body 3 of the case by fitting a hook unit 34, provided at the rear end of the suction port cover 33, into a groove 32. On the other hand, the suction port cover 33 is made so as to be light and the handling of the same is easy whereby the cover can be bonded easily by fitting the hook unit 34 into the groove 32 easily upon attaching the cover to the main body.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an open showcase that refrigerates products to be displayed and sold inside the case. This invention relates to an inlet cover structure for an open showcase that opens upward along the lower edge of the front opening of the case and covers an inlet that sucks air cooled by an evaporator, blower, etc. into the ventilation channel.

[Conventional technology]

In an open showcase that refrigerates products that are displayed and sold inside a case, the products that are sold are displayed inside a case that is made of insulating walls and has an open front. A ventilation passage is provided along each edge in which an air outlet and an inlet are formed, the opening surfaces of which face each other vertically. Evaporator 1, which is a component of the cooling device installed in this ventilation path, cools the air sucked in from the inlet by a blower, etc., and turns it into cold air, which blows out from the outlet and covers the front opening of the case with an air curtain. This type of open showcase is a self-service system where customers can pick up the products in the case, look at them, and select the products. Since this is a device, the suction port is covered with a suction port cover that has numerous ventilation holes to prevent the displayed products from falling into the suction port or dust from entering and blocking the ventilation path when the product is taken out of the case. One of the conventional examples of the suction port cover structure of this type of embossed case is shown in FIGS. 2 and 3.
Fig. 2 is a left side vertical sectional view showing the internal structure of an open showcase to which the present invention is applied, and Fig. 3 is a schematic view from diagonally above showing the structure of the suction port cover structure of a conventional open showcase. These are partial perspective views, with the right side of the figure being the front side. The configuration shown in Figure 3 is based on, for example, Utility Model Publication No. 63-1157.
It is known from Publication No. 7.

In Figures 2 and 3, case 1 is formed of a heat insulating wall and has an opening 2 in the vertical direction. is a C-shaped case body 3, and ffl covers the left and right side openings of this case body 3! fff4. Inside the case 1, a wall 6 with an open front and a C-shaped side cross section is placed along the inner peripheral surface of the case body 3 and sandwiching spacers 5 arranged at both left and right ends. The partition wall 6 includes a partition plate 7 with an inverted side cross section, a flat bottom plate 8, and a bottom plate 7 with an inverted side cross section, which form the ceiling surface, the box office side wall surface, the bottom surface, and the rising surface on the front side, respectively. It consists of a guard 9 that is almost inverted. This guard 9 has a large number of ventilation holes 1'0 formed in its upper end, its lower end fixes its front end to the spacer 5, and its rear 9 rests on a holder 11 protruding inward from the case 1. ing. Also, the upper f of this guard 9
A handrail reinforcing member 14 that holds a handrail 13 provided at the upper end of a rising portion on the front side of the case body 3 to the case body 3, with a lock 1j12 formed in four parts and having a hook-shaped side cross section.
A side cross section formed at the inner lower part of the case body 3 engages with a U-shaped projection 15 that projects downward. Therefore, the guard 9 has an upper t4 portion and a lower end portion of the handrail N reinforcement 14.
It is detachably held in the case body 3 via the holder 11 and the bottom plate 8 is supported with the N end resting on the lower end of the guard 9. A steel net-like IR shelf 18 on which displayed products are placed is supported by fitting a protrusion 17 at a front end protruding forward into a plurality of holes 16 formed in the lower part.

On the other hand, the space surrounded by the partition wall 6 and the case 1 is the ventilation path 1.
9, this ventilation passage 19 is open at both the upper and lower ends, and these openings are formed with an outlet 20 and an inlet 21, respectively, which are along both the upper and lower edges of the opening 2, and whose opening surfaces face each other vertically. The upward opening surface of the suction port 21 is covered with the upper end of the guard 9 in which the ventilation hole 10 is formed, and inside the case 1 there are a plurality of vertically arranged displays for displaying products. The rear end of the shelf 22 is supported in a cantilever manner by the vertical wall surface of the partition plate 7 on the direct side, and an evaporator 23, an air blower 8124, and the like are disposed within the ventilation i'149. The air sucked into the ventilation path 19 from the suction port 21 by the blower 24 is cooled by the evaporator 23 and becomes cold air, which is blown out from the blowout port 20 to form an air curtain that covers the opening 2 and cools the inside of the case 1. Then, a circulating flow 25 that is sucked in again from the suction port 21 and circulates is formed. This @recirculation 25 cools the inside of the case 1, and the #111.8 inside the case 1 and the products displayed on the display shelf 22 are refrigerated.

[Problem to be solved by the invention]

By the way, the suction cover i structure of such an open showcase has a structure in which the guard 9, which is integrally formed with a suction port cover that covers the suction port 21, is inserted and removed from above the suction port 21. The protrusion 1 is in the hole 16 of
7 is fitted to support the steel 1i18, and a bottom plate 8 is supported with its front end overlapping the lower end of the guard 9. In addition, the guard 9, which is usually made of steel such as stainless steel for open showcases with a left and right width of more than 3 m, is wide and heavy, so when dust adheres or enters the area around the suction port 21. and suction port 21
When removing and attaching the guard 9 by inserting it into the suction port 21 from above, cleaning work is done without using tools such as a screwdriver, but with the bottom plate 8 and *1, which are generally made of steel and heavy.
In addition to the work of removing or shifting the position of the ii 18, the guard 9 is not easy to handle, and at that time, the guard 9 may be bent and the locking portion 12 may be engaged with the protrusion 15 to lock the guard 9. The problem is that it is not easy and takes time.

One object of the present invention is to provide a suction port cover support structure for a showcase that allows easy installation and removal of the suction port cover. ! shall be.

[! ! Means to solve the problem]

In order to solve the above-mentioned problems, the present invention includes a case formed of a heat insulating wall and having an open front face, and a case surrounded by partition walls lined at intervals along the inner surface of the case, and both above and below the front face opening of the case. A ventilation passage is provided along each edge in which a blowout port and a suction port are formed with the opening surfaces facing each other vertically, and the air is cooled by an evaporator blower or the like disposed within the ventilation passage and becomes cold air. In the suction port cover structure of the open showcase that covers the suction port through which air is blown out from the case to cool the products displayed and sold in the case and is sucked into the ventilation passage, a large number of ventilation holes are formed. [Function] The present invention provides a suction port cover which is detachably attached to the suction port in close contact with other members and covers only the upper surface of the opening of the suction port and its surroundings. A case with an open front surface and an air inlet opening on the upper surface of the case formed along the lower edge of the front opening of the case, the ventilation passage being surrounded by partition walls lined at intervals along the inner surface of the case. In addition to forming a large number of ventilation holes that cover only the opening surface and its surroundings, the suction port is equipped with a suction port cover that can be attached and detached independently from other parts, so even if the suction port cover is made of steel, However, it is lighter in weight, easier to handle, and can be easily attached to and detached from other components. Therefore, when dust adheres to or enters the suction port, cleaning work around and inside the suction port can be done quickly and easily.

〔Example〕

Embodiments of the present invention will be described below with reference to FIGS. 1 and 2. Fig. 1 is a perspective view of the main parts seen diagonally from the rear upper right, showing the suction port cover structure of a showcase according to one embodiment of the present invention, and Fig. 2 shows the internal structure of the open showcase to which the present invention is applied. In the left side vertical cross-sectional views, the top of the figure is the front side. Components common or identical to those in FIG. 3 are designated by the same reference numerals.

In FIG. 1 and Section 2 showing one embodiment of the present invention, 1 is a case formed of a sectioned wall and has an opening 2 on the front surface, and this case 1 is composed of a case body 3 and a side plate 4. are doing. Inside the case 1, a partition wall 27 with an open front side and a C-shaped side cross section is installed along the inner circumferential surface of the case body 3 and spaced apart through a spacer 26 disposed at both ends of the case body 3. The main body 3 is lined with a partition wall 27, which forms a ceiling surface, a deep side wall surface, a bottom surface, and a rising surface on the front side, respectively. It consists of a bottom plate 28 and a guard 29 that is approximately horizontally N-shaped. In addition, a handrail 30 having a substantially inverted U-shaped side cross section is disposed at the upper end of the rising part on the front side of the case body 3 above the guard 29. A support member 31 having a hook-shaped side cross section fixed to the back surface of the upper end of the side rising portion and the case body 3 form a groove 32 whose top surface is open.

The end of the handrail 30 on the performance side is fitted into this groove 32 and held therein, and the lower end surface is overlapped with the upper end surface of the guard 29 to form a large number of ventilation holes 10, and a suction port with a V-shaped side cross section. The hook-shaped portion 34 formed at the upper end of the cover 33 is fitted into the groove 32 to attach the suction port cover 33 to the case body 3.
It is supported in a detachable manner. In addition, a plurality of holes 16 are formed in the vertical part of the guard 29, and a protrusion 17 protruding forward at the front end is fitted into the hole 16 to support a steel mesh [118] on which display products are placed. are doing.

On the other hand, the space surrounded by the partition wall 27 and the case 1 is the ventilation path 3.
5, and this ventilation passage 35 is open at both the upper and lower ends, and the openings are along the upper and lower edges of the opening 2, respectively, and connect the air outlet 20 and the suction opening 36, whose opening surfaces face each other vertically. formed respectively. Further, the upward opening surface of the suction port 36 and its surroundings are covered with a suction port cover 33 in which a large number of ventilation holes 10 are formed. ? 112
2 is supported with its rear end in a cantilever manner on the vertical wall surface of the partition plate 7 on the performance side, and an evaporator 23, a blower 24, etc. are disposed within the ventilation passage 35.

In the above-mentioned configuration, the air sucked into the ventilation path 35 from the suction port 36 by the blower 24 is cooled by the evaporator 23 and becomes cold air, which is blown out from the blow-off port 20 to cover the opening 2, as in the conventional example described above. Along with forming curtains,
A circulating flow 25 that cools and circulates inside the case 1 is formed. With this circulation flow 25, the inside of the cooler 41 [18 and display 1]
The products displayed on 111g22 are refrigerated. However, when cleaning the inside of the suction port 36 and its surroundings, the suction port cover 33 is sized to cover only the suction port 36 and its surroundings, and the hook-shaped portion 34 at the rear end is only fitted into the groove 32. Since it is supported by the main body 3 of the case, the suction port cover 33 can be easily removed by itself without using any tools. Also, when installing the suction port cover 33 after cleaning work, this suction port cover 33
is light and easy to handle, so the hook-shaped portion 34 can be fitted into the groove 32 and the suction port cover 33 can be easily attached. An upward facing suction port formed along the lower edge of the front mouth of the case of a case formed by a wall and open at the front, and a ventilation passage surrounded by partition walls lined at intervals along the inner surface of the case. A large number of ventilation holes are formed to cover only the opening surface and its surrounding area, and the suction port is equipped with a suction port cover that can be attached and detached independently from other members, so the suction port cover can be used for example f! 4
Even if it is made of aluminum, it is light in weight and easy to handle, and can be attached and detached independently of other parts, making it possible to quickly and easily clean the area around and inside the suction port.

As a result, when the inside of the suction port and its surroundings become dirty with dust, etc., cleaning work does not require the hassle of attaching and removing the suction port cover. kept clean and not left unattended,
Bad for the customers! 5 and does not cause a decrease in cooling efficiency.

[Brief explanation of drawings]

Fig. 1 is a perspective view of the main parts seen diagonally from the rear upper right, showing the suction port cover structure of a showcase according to one embodiment of the present invention, and Fig. 2 shows the internal structure of the open showcase to which the present invention is applied. Left side mu1 diagram, 1! Fig. g3 is a perspective view of the main parts from diagonally above the rear right, showing the structure of the suction port cover structure of a conventional open showcase. 1...Case, 2...Opening, 3...Case body,
4... Side plate, 5, 26... Spacer, 6, 27...
Partition wall, 7... Partition plate, 8.28... Bottom plate, 9, 29
...Guard, lO...Vent hole, 11...Bracket,
12...Locking part, 13.30...Handrail,
14...Handrail reinforcement material, 15...Protrusion, 16
... Hole, 17... Protrusion, 18... Steel shelf, 19
．． 35... Ventilation duct, 20... Air outlet, 2136...
・Suction port, 22... Display shelf, 23... Evaporator, 24
...Blower, 25...Circulating flow, 31...Support member, 32...Groove, 33...Suction port cover, 34...
Hook.

Claims (1)

[Claims] 1) A case formed by a heat insulating wall with an open front, and a case surrounded by partition walls lined at intervals along the inner surface of the case, and along both upper and lower edges of the front opening of the case, the opening surfaces are above and below each other. A ventilation passage is provided with an air outlet and a suction opening facing each other, and the air is cooled by a blower, an evaporator, etc. installed in the air passage, and is blown out from the air outlet and displayed in the case. In the suction port cover structure of the open showcase that covers the suction port through which air for cooling the products to be sold is sucked into the ventilation passage, a large number of ventilation holes are formed and the suction port is provided with a structure that is independent of other components. A suction port cover structure for an open showcase, characterized in that the suction port cover is provided independently and detachably and covers only the upper surface of the opening of the suction port and its surroundings.