JPH07104096B2 - Evaporator mounting device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Object of the Invention The present invention relates to an improvement of a mounting device for mounting an evaporator on an upper part of a storage such as a refrigerator.

2. Description of the Related Art A heat insulating box having an opening in a ceiling wall and an article loading / unloading port on at least one side surface, and the ceiling to form a storage chamber that covers the opening and stores an evaporator and an air blower above the opening. As a storage having an insulating wall installed on the wall, Japanese Utility Model Publication No. 59-26212 and Japanese Utility Model Publication No. 62-801 have been proposed.
There is an 85 publication.

In that case, by fixing the U-shaped mounting bracket to the convex portion formed on the ceiling wall and inserting and guiding the guide provided on the support body supporting the evaporator into the insertion groove and the guide groove of the mounting bracket, This is to fix the inside of the convex portion of the evaporator. Then,
Both ends of the evaporator are fitted to the U-shaped heat insulating wall, and then the heat insulating wall is fixed on the ceiling wall.

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention In the above technique, when the guide member of the support body is inserted and guided in the insertion groove and the guide groove, it is necessary to horizontally move the evaporator with respect to the mounting bracket, and therefore evaporation in the convex portion is performed. As the container storage space, it was necessary to have enough room to move the evaporator horizontally, and there was a concern that the storage space would become large. Further, there is a problem that it is very difficult to fix the mounting member to the inner surface of the wall of the wall forming the convex portion, and the workability is poor.

On the other hand, in the above technology, since the evaporator is fitted to the U-shaped heat insulating wall, it is difficult to perform piping work and inspection to the evaporator, and defrost water from both ends of the evaporator is Sometimes it fell down the wall surface of the heat insulation wall and could not be received by the defrost water saucer, and it fell into the refrigerator.

Therefore, the present invention provides an evaporator mounting device that simplifies the work of fixing the evaporator and can reliably receive defrost water.

[Structure of Invention]

Means for Solving the Problems The present invention has been made in view of the above problems, and an insulating box having an opening in the ceiling wall and an article loading / unloading opening on at least one side surface, and the opening covering the opening. To provide a storage having an insulating wall installed on the ceiling so as to form a storage chamber for storing an evaporator and a blower in the upper part, and insert the evaporator from the lower part of the opening into the peripheral part of the opening. A fixing metal fitting for fixing is provided, and a defrosting water receiving tray for receiving defrosting water is fixed directly below the evaporator, and further, one side of the defrosting water receiving tray is an air intake port and the other side is a cold air outlet. It is what

Function By supporting the defrosting water pan on the fixing bracket that supports the evaporator, the fixing bracket serves both as the fixing member for both the evaporator and defrosting water pan, and the fixing device around the evaporator is simplified. In addition, since the mounting work is performed after the insertion work from below the opening formed in the ceiling wall to the upper side, the storage space formed by the heat insulating wall is reduced, and the installation work efficiency of the evaporator is reduced. Can be improved.

Embodiments Embodiments of the present invention will be described below with reference to the drawings.

Reference numeral 1 denotes a storage that can be used for a refrigerator, a showcase, or the like, and a space 4 formed between a metal inner box 2 and a metal outer box 3 is foam-filled with a foam insulating material 5 such as hard polyurethane. The heat-insulating box body 6 has transparent doors 10 and 11 that are rotatably supported by a pivot member 7 such as a hinge and that open and close article loading and unloading ports 8 and 9 formed on the front and rear surfaces of the body 6, respectively. .

The inner metal box 2 and the outer metal box 3 are provided as the article loading / unloading ports 8 and 9 of the main body 6.
In the peripheral portion, flanges 13 and 14 are formed so as to face each other with a gap between each other, and the inner and outer portions 8 and 9 are formed so as to extend between the flange 13 of the inner box and the flange 14 of the outer box. Flange 13 of box 2 and flange of outer box 3
14 and a synthetic resin packing holder that is fixed to each of the doors with a fixing member such as a screw, and a magnet-containing packing that is attached to this packing holder and adheres to the back surface of each door when the doors 10 and 11 are closed. Is sometimes referred to as a gasket) and. In addition, although the one with a heat insulating structure having double-layer transparent glass is used as the door,
It may be an opaque door filled with heat insulating material.

Reference numeral 21 is an opening formed in the top wall of the main body 6 and serves as a window for attaching an evaporator 24 and a blower 25, which will be described later, and for air circulation. 22 covers the opening 21 and the evaporator
A box-shaped wall is used which is a heat-insulating wall installed on the ceiling wall so as to form a storage chamber 23 for storing the air conditioner 24 and the blower 25, and which has a front surface slightly larger than the opening 21 on one surface.

Reference numeral 26 denotes a blower cover that fixes the blower device 25 and also serves as a blower guide for uniformly blowing the wind from the blower device 25 onto the evaporator 24, and the evaporator 24 is fixed.
Reference numeral 27 denotes a defrosting water receiving tray for receiving defrosting water from the evaporator 24, which has a drain port 27B formed at an appropriate position. Reference numeral 28 is a fixing metal fitting that supports the lower end portion of the evaporator 24 and also supports the defrosting water receiving tray 27 immediately below the evaporator 24. Reference numeral 29 is a drain pipe extending from one end to the drain port 27B and the other end slidably supported by the support member 31 to the drain tray 30, and 33 is installed on the upper surface of the main body 6 and is a compressor.
A machine room for accommodating the 34, the condenser 35, the heat insulation wall 22, and electric components, and 40 is an article placing shelf provided in the main body 6.

The fixing metal fitting 28 abuts the opening peripheral edge portion of the ceiling wall from below and is fixed by a fixing member 47 such as a screw in the hole 45.
And a first support portion 42 extending upward from the fixing portion 41 to support and fix the defrosting water tray 27 by a fixing member 48 such as a screw, and the first supporting portion 42.
The first support portion 43 extends horizontally from the support portion 42 and supports the lower end portion of the evaporator 24 in a hole 46 by a fixing member 49 such as a screw.

The evaporator 24 uses a plate fin type heat exchanger and has tube plates 50 located at both ends, a plurality of fins 51 made of aluminum and parallel to the tube plate 50, and penetrates both the tube plates 50 and each fin 51. The refrigerant pipe 52 that is meandering together with this refrigerant pipe 52
Of the inlet pipe 53 and the outlet pipe (not shown).
The lower end portion of the evaporator 24, that is, the lower portions of both tube plates 50 are extended to the lowest position.

Next, the fixing of the evaporator 24 and the defrosting water receiving tray 27 to the opening 21 will be briefly described. (1) FIG. 4 shows a state in which the blower 25 is attached to the evaporator 24 by the blower cover 26. The lower end portion of the evaporator 24 is supported and fixed by a fixing member 49 such as a screw to the second support portion 43 of the fixing fitting 28 in a state in which the defrost water receiving tray 27 is supported as described above to form an evaporator unit.

(2) Insert this evaporator unit into the opening 21 from below the opening 21 formed in the top wall of the heat insulating box body 6 so that the unit protrudes above the opening 21 with the fixing bracket 28 positioned at the lower part. Then, the fixing portion 41 of the fixing member 28 is fixed to the peripheral edge portion of the opening with a fixing member 47 such as a screw. At this time, the air suction port 61 is formed between one side of the defrost water receiving tray 27, that is, the blower side and the opening edge, and the other side of the defrost water receiving tray 27, that is, between the evaporator side and the opening edge. A cold air outlet 60 is formed in the.

(3) After that, the inlet pipe 53 and the outlet pipe of the evaporator 24 are connected to the condenser 35 and the compressor 34, respectively, and the heat insulating wall 22 is placed on the ceiling wall so as to cover the evaporator unit and close the opening 21. Then, a machine room cover (not shown) is attached, and a machine room 33 is formed on the top of the ceiling wall.

According to the above configuration, the fixing metal fitting 28 supporting the evaporator 24 also supports the defrosting water receiving tray 27, so that the fixing metal fitting 28
Is also used as a fixing member for both the evaporator 24 and the defrosted water receiving tray 27, and the fixing device around the evaporator 24 is simplified, and its mounting work is directed from below to above the opening 21 formed in the ceiling wall. Since it is performed after the insertion work, the storage chamber 23 constituted by the heat insulation wall 22 can be made as small as possible to accommodate the evaporator unit.
Can be miniaturized. Furthermore, since the evaporator 24 and the defrosting water receiving tray 27 are fixed to the fixing metal fitting 28, the fixing metal fitting 28 is fixed to the peripheral portion of the opening.
The installation work efficiency of can be improved.

Further, since the air inlet 61 and the cool air outlet 60 are formed by the defrost water receiving tray 27 and the opening peripheral edge, the parts forming each of them can be omitted.

〔The invention's effect〕

As described above in detail, according to the present invention, the fixing metal fitting also serves as a fixing member for both the evaporator and the defrosting water sauce tray by supporting the defrosting water saucer on the fixing metal fitting supporting the evaporator. In addition, since the fixing device around the evaporator is simplified, and the mounting work is performed after the insertion work from the lower side to the upper side of the opening formed in the ceiling wall, the storage chamber formed by the heat insulating wall Can be made small enough to accommodate the evaporator unit, and the heat insulating wall can be downsized. Further, since the evaporator and the defrosting water tray are fixed to the fixing metal fitting, the fixing metal fitting is fixed to the peripheral edge portion of the opening, so that the evaporator installation work efficiency can be improved as compared with the conventional case.

In addition, since the air inlet and the cool air outlet are formed by the defrost water receiving tray and the opening peripheral edge, the parts forming each of them can be omitted.

[Brief description of drawings]

Each drawing shows an embodiment of the storage of the present invention. FIGS. 1 and 2 are sectional views taken along the lines AA and BB of FIG. 3, respectively. FIG. 3 is a showcase of the storage. Fig. 4 is a perspective view showing the external appearance of the product when it is used as a water heater, Fig. 4 is a perspective view with the defrosting water tray attached to the fixing bracket, and Fig. 5 is the main part of the cutout at the peripheral edge of the opening with the evaporator fixed. An enlarged view and FIG. 6 are perspective views of a part of the inner and outer boxes which are notched. 1 ... Storage, 6 ... Insulation box body, 8, 9 ... Article loading / unloading port, 2
1 ... Opening, 22 ... Insulation wall, 23 ... Storage room, 24 ... Evaporator, 25 ...
Blower, 27 ... Defrosting water pan, 28 ... Fixing bracket, 60 ... Cold air outlet, 61 ... Air inlet.

Claims (1)

[Claims] 1. A heat insulating box having an opening in a ceiling wall and an article loading / unloading opening on at least one side surface, and a storage chamber for covering the opening and storing an evaporator and a blower device above the opening. In a storage having a heat insulating wall installed on the ceiling wall, a fixing metal fitting for fixing the evaporator to a peripheral portion of the opening by inserting the evaporator from below is provided, and the fixing metal is directly below the evaporator. A defrosting water receiving plate for receiving defrosting water is fixed to the defrosting water receiving plate, and one side of the defrosting water receiving plate serves as an air intake port and the other side serves as a cold air blowing port.