JP3195158B2 - Arrangement structure of refrigeration mechanism in refrigerators, etc. - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an arrangement of a refrigeration mechanism in a refrigerator or the like in which a base plate on which a refrigeration mechanism is arranged is freely inserted into and removed from a machine room.

[0002]

2. Description of the Related Art As a refrigerator or a freezer (hereinafter simply referred to as "refrigerator") for storing frozen foods (hereinafter referred to as "foods") such as vegetables and fruits, meat and fish for a long period of time, for example, as shown in FIG.
2. Description of the Related Art As shown in FIG. 2, a horizontal refrigerator having a horizontally long cabinet is known. Inside the horizontally long box-shaped main body (cabinet) 10, a storage 12 for cooling and storing foods, and a machine room 14 adjacent to the storage 12 with an image wall therebetween are defined. Have been. As shown in FIG. 13, a pair of guide rails 16, 16 are arranged in parallel in the inner bottom of the machine room 14 at predetermined intervals in the width direction. It is slidably disposed in the direction. A refrigeration mechanism 22 including a condenser 20, a cooling fan, a compressor (none of which is shown) and the like are disposed on the base plate 18, and the refrigeration mechanism 2
2 is configured to be able to be taken in and out integrally with the base plate 18, thereby facilitating assembly and maintenance of the refrigeration mechanism 22.

As the condenser 20, a fin-and-tube type is generally used, and a cooling fan disposed between the condenser 20 and the compressor is operated to forcibly generate heat from the condenser 20 and the compressor. Air cooling is performed. In the refrigerator provided with the air-cooled condenser 20, an air inlet and an outlet are opened in the machine room 14, and the air sucked from the inlet by the rotation of the cooling fan contacts the condenser 20 to contact the condenser 20. After cooling by heat exchange, the air whose temperature has risen is discharged to the outside through the discharge port. In this case, dust is sucked into the machine room together with the air. If the dust adheres to the condenser 20, this dust not only forms a kind of heat insulating layer but also becomes a ventilation resistance, thereby lowering the heat exchange efficiency. It may cause a failure due to high pressure rise. Therefore, a filter for collecting dust is disposed at an appropriate position on the air suction side of the condenser 20, and the air purified by the filter is brought into contact with the condenser 20.

[0004]

As described above, it is necessary to provide a filter on the air suction side of the condenser 20 in order to purify the air. However, the mesh of the filter is made fine to make it fine. If dust is to be collected, the air itself is not smoothly circulated, and the condenser 20 may not be cooled sufficiently. Therefore, the mesh of the filter could not be made very fine, and it was inevitable that fine dust would pass through the filter and adhere to the front surface of the condenser 20. Therefore, dust adhering to the front surface of the condenser 20 is periodically brushed off with a brush or the like, and the dropped dust scatters to the inner bottom of the machine room 14 and a wide area of the base plate 18,
Cleaning it was complicated. Further, since the cooling fan is ON-OFF controlled, dust adsorbed on the filter under the suction action of the cooling fan drops when the fan stops and falls on the inner bottom of the machine room 14 and on the base plate 18. It was troublesome to clean it because it was soiled.

[0005] The base plate 18, which is provided so as to be able to be taken in and out of the machine room 14, is screwed and fixed near both ends in the width direction on the front side in a state of being housed inside the machine room 14. That is, as shown in FIG. 13, the screws 24 for fixing the base plate 18 in the machine room 14
Since the inner width of the machine room 14 with respect to the width of the base plate 18 is not set with a sufficient margin since it is close to the frame 26 that defines the base plate 4, when the base plate 18 is assembled in the production line, repair and Base plate 18 for maintenance such as cleaning
When removing, it becomes difficult to handle tools such as a screwdriver. However, when the internal width of the machine room 14 is increased, there is a disadvantage that the internal volume of the storage 12 is reduced in proportion thereto. Therefore, if the width of the refrigerator is increased in order to secure the internal volume of the storage 12, there is a problem that the refrigerator itself becomes large.

[0006] A pair of guide rails 16, which guide the loading and unloading of the base plate 18 and also serve for positioning in the width direction.
As shown in FIG. 13, 16 is set to guide and position both outer side surfaces of the base plate 18 in the width direction. For this reason, it is necessary to increase the internal width of the machine room 14 by the size of disposing the guide rails 16, 16, and as described above, there is a problem that the internal volume of the storage 12 becomes small and the refrigerator becomes large. is there. The vertical positioning of the rear portion of the base plate 18 is performed by positioning the base plate 1 at the rear of the machine room 14.
An extension member extending horizontally forward at substantially the same level as the height dimension of the base member 8 is provided, and the base plate 1 is provided below the extension member.
8 by facing the back. However, since the projecting member has a configuration in which another member is attached to the frame body 26 of the machine room 14 by welding or the like, the number of parts increases, causing an increase in cost.

[0007] Since there is no place on the outer periphery of the conventional base plate 18 where a finger of an operator is hooked, the base plate 18 provided with the refrigeration mechanism 22 is not attached to the machine room 14 when the base plate 18 is assembled. When the base plate 18 is placed on a flat table, a base, or the like, at present, the components such as a compressor arranged on the base plate 18 are lifted. For this reason, it is pointed out that the disposition of the component and the base plate 18 is loosened or detached. It should be noted that a handle for easily taking out the base plate 18 from the machine room 14 is fixed to the front surface of the base plate 18 with screws, and this handle can be used for lifting during assembly. Since it is a member different from 18, the number of parts and the number of assembling steps are disadvantageously increased.

[0008]

SUMMARY OF THE INVENTION The present invention has been proposed in view of the above-mentioned various drawbacks inherent in the prior art, and has been proposed in order to preferably solve the problems. The present invention facilitates cleaning of dust dropped from a condenser. It is an object of the present invention to provide means capable of shortening the internal width of a machine room, increasing the internal volume of a storage, and achieving downsizing of a refrigerator, and at the same time reducing costs. I do.

[0009]

SUMMARY OF THE INVENTION In order to overcome the above-mentioned problems and appropriately attain the intended object, the present invention provides a machine room defined inside a main body, comprising a condenser, a cooling fan, a compressor, and the like. And the like. In a refrigerator or the like provided with a box-shaped base plate that opens downward and that can be taken out in the front-rear direction in which the refrigeration mechanism is disposed, a horizontal portion extending forward and And a vertically open groove defined by the front surface of the base plate and the handle is positioned forward of a position at which the condenser is provided. ,
The width dimension of the base plate in the width direction at the inner bottom of the machine room
A pair of guide rails arranged in parallel at shorter intervals
Are extended in the front-rear direction, and the spacing between the pair of guide rails is
A notch of substantially the same size as the base plate is formed in the rear plate of the base plate.
Move the plate in the front-rear direction with the notch along the guide rail.
As well as a pair of guide rails in the width direction.
The feature is that a decision is made.

[0010] To overcome the above problems, is suitably another aspect of the present invention for achieving the intended purpose, the machine room defining the interior of the body, condenser, cooling fans, refrigeration compressor or the like In a refrigerator or the like provided with a box-shaped base plate that is open downward and provided with a mechanism so as to be able to be taken out in the front-rear direction, a front surface of the base plate has a horizontal portion extending forward and a front end of the horizontal portion. A handle consisting of a vertical portion rising at the edge is integrally formed, and an upwardly open groove defined by the base plate front surface and the handle is formed.
It is located on the front side from the position where the condenser is provided, and a positioning portion extending rearward is integrally formed at the rear of the base plate, and this positioning portion is formed in a slit formed at a corresponding position at the rear of the machine room. It is characterized in that by being inserted, positioning in the vertical direction at the rear portion of the base plate is performed.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The arrangement of a refrigerating mechanism in a refrigerator or the like according to the present invention will be described below with reference to a preferred embodiment. FIG. 1 is a schematic perspective view showing a main part of a refrigerator according to an embodiment partially cut away, and FIG. 2 is a front view showing a main part of the refrigerator according to the embodiment partially cut away. Note that the same members as those already described in the description of the related art with reference to FIGS. 12 and 13 are denoted by the same reference numerals.

In the refrigerator shown in the figure, a horizontally long box-shaped main body 10 is provided with a storage 12 for cooling and storing foods, and a machine room adjacent to the storage 12 with an image wall 28 interposed therebetween. 14 are defined. This machine room 14
A front panel 30, a side panel 3 and a rectangular frame 26 are provided.
2. It is defined by arranging the back panel 34 and the ceiling panel 36. The ceiling panel 36 extends over both the storage 12 and the machine room 14. The front panel 30 provided on the front of the machine room 14 has a hinge.
It is configured to be openable and closable via (not shown), and as shown in FIG. 1, the front opening 38 of the machine room 14 can be opened. The machine room 14 includes the condenser 2
The refrigeration mechanism 22 including a cooling fan 40, a compressor 42, and the like is configured to be housed in a front opening 38 through a base plate 18 described later so as to be able to be taken in and out freely.

The base plate 18 is formed in a box shape opened downward, and its width dimension is set to be slightly shorter than the width dimension of the front opening 38 in the machine room 14, as shown in FIG. I have. Then, the condenser 20,
The cooling fan 40 and the compressor 42 are arranged in order from the front side of the machine room 14 (see FIG. 4). A pair of notches (guide portions) 46, 46 are formed in the rear plate 44 of the base plate 18 at predetermined intervals in the width direction. As shown in FIG. 5, a pair of guide rails 16 extending in the front-rear direction is provided on the inner bottom of the machine room 14.
8 are arranged in parallel with each other in the width direction at intervals corresponding to the cutouts 46, 46 formed. That is, by moving the base plate 18 in the front-rear direction with the corresponding notch 46 facing each guide rail 16, the base plate 18 can be moved in and out of the machine room 14 without being displaced in the width direction. Is done. And the base plate 18 stored in the machine room 14 is
The positioning in the width direction is performed by each guide rail 16 facing the corresponding notch 46.

As shown in FIG. 4, a horizontal portion 48a extending horizontally forward from the lower end of the base plate 18 is provided on the front surface of the base plate 18.
A handle 48 composed of a vertical portion 48b and a vertical portion 48b formed at the front edge of the horizontal portion 48a is integrally formed. The handle 48 is set to have the same width as the base plate 18, and has a groove 50 defined between the front surface of the base plate and the handle 48 and opened upward over the entire length of the base plate 18 in the width direction. Has formed. The groove 50 is provided in the condenser 20 disposed on the base plate 18.
Of the condenser 20 and is longer than the width of the front side (the portion where the fins are provided) of the condenser 20.
(See FIG. 2). That is, all the dust removed from the condenser 20 by a brush or the like is collected in the groove 50, and the dust can be easily cleaned. Further, since the filter 52 which is detachably mounted on the front surface of the condenser 20 for purifying the air is located above the groove 50 as shown in FIG. It can be collected in the groove 50.

As shown in FIG. 3, a plurality of (two in this embodiment) through holes 48c are formed in the horizontal portion 48a of the handle 48 at predetermined intervals in the width direction. Each through hole 48c
Is a state in which the base plate 18 is stored in a fixed position of the machine room 14,
It is positioned so as to correspond to the screw hole 54 formed in the frame 26 (see FIG. 5). Therefore, the base plate 18 is positioned and fixed in the machine room 14 by screwing the screws 56 inserted through the through holes 48a into the corresponding screw holes 54.

An image wall 28 is provided above the inside of the machine room 14.
A cooling box 58 that communicates with the storage 12 through the opening 28a opened in the cooling box 58 is provided (see FIG. 2).
As shown in FIG. 1, a heat insulating lid 60 for closing an opening 58a formed on the front side is detachably provided. The heat-insulating lid 60
A pair of brackets 62, 6 arranged outside (front side)
The heat-insulating lid 60 is positioned so as to close the opening 58 a of the cooling box 58 while the refrigeration mechanism 22 is housed in the machine room 14 via the fixing mechanism 2. Further, a cooler 64 is attached inside the heat insulating lid 60, and a refrigerant pipe 66 derived from the refrigeration mechanism 22 is connected to the cooler 64 after the heat insulating lid 60 is inserted, as shown in FIG. ing. That is, when the refrigeration mechanism 22 is pulled out of the machine room 14, the cooler 64 and the heat insulating lid 60 are also pulled out as shown in FIG.

As shown in FIG. 1, a plurality of external air inlets 30a are formed in the front panel 30 at positions corresponding to the front surface of the condenser 20. A plurality of outlets 32a and 34a are formed in a side panel 32 that covers the side of the machine room 14 and a back panel 34 that covers the back. That is, the air sucked from the suction port 30a of the front panel 30 by the rotation of the cooling fan 40 is cleaned by the filter 52 and then contacts the condenser 20 to perform cooling by heat exchange. And is discharged to the outside through the discharge ports 32a and 34a. In front of the cooling box 58 and above the condenser 20, an electrical box 68 containing a microcomputer board for controlling the operation of the refrigerator, a temperature setting switch, a power switch and the like is provided. Further, a transparent window 70 is provided on the front panel 30 at a position corresponding to the electrical equipment box 68 disposed in the machine room 14, and the display of the microcomputer board can be visually recognized from the window 70.

[0018]

Operation of the embodiment Next, the operation of the arrangement of the refrigerating mechanism in the refrigerator or the like according to the embodiment will be described. When the base plate 18 provided with the refrigeration mechanism 22 is stored in the machine room 14, the notch 46 formed in the rear plate 44 of the base plate 18,
By pushing the base plate 18 into the machine room 14 with the 46 aligned with the corresponding guide rails 16, 16, the base plate 18 is stored in a fixed position while being guided by the guide rails 16, 16. Next, each through hole 48 formed in the handle 48 is formed.
c into the corresponding screw hole 54 of the frame 26.
, The base plate 18 is fixed at a fixed position. That is, the screw 56 for fixing the base plate 18 to the machine room 14 is screwed through the handle 48 formed on the front surface of the base plate 18.
In this case, the handling of tools such as a screwdriver does not become difficult when the base plate 18 is attached and detached. Therefore, the internal width of the machine room 14 can be shortened to increase the internal volume of the storage 12 or to reduce the size of the refrigerator.

When the cooling fan 40 is rotated by the operation of the refrigeration mechanism 22, external air is sucked into the machine room 14 through a plurality of suction ports 30a formed in the lower portion of the front panel 30. This air is sucked into the condenser 20 through the filter 52 to perform heat exchange, and then blown out as warm air from the cooling fan 40 to the rear side, and each outlet formed in the side panel 32 and the rear panel 34. 32a,
It is discharged outside through 34a. In this case,
When the cooling fan 40 is stopped, some of the dust adsorbed on the filter 52 falls, but the dust falls into the groove 50 formed on the front surface of the base plate 18 and scatters around. There is no. Further, since the mesh of the filter 52 cannot be made fine as described above, dust adheres to the front surface of the condenser 20 with time. Also when removing dust on the front surface of the condenser 20, dust removed by a brush or the like can be collected in the groove 50, and the dust can be easily cleaned. Moreover, the handle 4 constituting the groove 50
Since 8 is formed integrally with the base plate 18, the number of components does not increase and the cost can be reduced.

[0020]

FIGS. 6 to 8 show another embodiment of the present invention. The basic structure is the same as that of the embodiment described with reference to FIGS. However, the base plate 1
The rear plate 44 has a large cutout (guide portion) 72 which is substantially the same as the distance between the pair of guide rails 16 provided in the machine room 14, and has both sides in the width direction of the cutout 72. It is configured to be guided by the guide rails 16, 16. In this embodiment, the worker can insert his / her finger under the base plate 18 from the notch 72,
When the base plate 18 provided with the refrigeration mechanism is mounted on the machine room 14, even if the base plate 18 is placed on a flat table, a table, or the like, the components constituting the refrigeration mechanism 22 are held and held. It is possible to avoid raising. Therefore, the parts and the base plate 1
It is possible to prevent a situation in which the portion 8 is loosened or detached.

FIGS. 9 to 11 show still another embodiment of the present invention, and the basic configuration is the same as that of the embodiment described with reference to FIGS. However, the base plate 18
The rear plate 44 is formed with a large cutout portion (guide portion) 74 having substantially the same dimension as the distance between the pair of guide rails 16 provided in the machine room 14, and guides both sides in the width direction of the cutout portion 74. It is configured to be guided by rails 16, 16. At a position corresponding to the notch 74, a positioning portion 76 extending horizontally rearward is integrally formed. Further, a positioning portion 7 of the base plate 18 is provided at a rear portion of the frame 26.
A slit 78 is formed at a position corresponding to 6, and by inserting the positioning portion 76 into the slit 78,
The positioning of the base plate 18 in the vertical direction is performed. In this case, since the positioning portion 76 is formed integrally with the base plate 18 and the slit 78 is formed in the frame body 26, it is not necessary to dispose another component, so that the cost can be reduced and the component can be stored. Management becomes easier.

[0022]

As described above, according to the arrangement of the refrigerating mechanism in a refrigerator or the like according to the present invention, dust falling from the condenser can be collected in the groove formed in the base plate. It is possible to easily clean dust that has been generated. Since the base plate is fixed to the machine room by screwing the handle formed on the front of the base plate, the handling of tools is easy when mounting and removing the base plate, and the internal width of the machine room is reduced. It can be set short, and it is possible to increase the internal volume of the storage or downsize the refrigerator. In addition, since the base plate and the handle are formed integrally, the number of parts does not increase, and the cost can be reduced.

Since the distance between the pair of guide rails disposed at the inner bottom of the machine room is set shorter than the width of the base plate, the inner width of the machine room can be set shorter. In addition, since the base plate can be easily lifted by the guide portion formed on the base plate, it is possible to avoid lifting the refrigeration mechanism by holding the components constituting the refrigeration mechanism when assembling the refrigeration mechanism into the machine room. It is possible to prevent loosening or detachment of the place where the component and the base plate are disposed. Further, since the positioning in the vertical direction at the rear of the base plate is performed by inserting the positioning portion integrally formed at the rear of the base plate into a slit formed at the rear of the machine room, another member is required. It is not necessary to mount the unit on the machine room or the base plate, and the number of parts can be reduced to reduce the cost.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view showing a main part of a refrigerator according to an embodiment, partially cut away.

FIG. 2 is a main part front view showing a state where a front panel is removed from the refrigerator according to the embodiment.

FIG. 3 is a cross-sectional plan view of a main part showing a machine room of the refrigerator according to the embodiment.

FIG. 4 is a side view showing the refrigerator according to the embodiment with the side panel removed.

FIG. 5 is a schematic perspective view showing an internal structure of a machine room and a base plate in an exploded state.

FIG. 6 is a schematic perspective view showing an internal structure of a machine room and a base plate according to another embodiment in an exploded state.

FIG. 7 is a schematic rear view of the machine room of another embodiment shown in FIG.

FIG. 8 is a schematic side view of a machine room of another embodiment shown in FIG.

FIG. 9 is a schematic perspective view showing an internal structure of a machine room and a base plate in a disassembled state according to still another embodiment.

FIG. 10 is a schematic rear view of a machine room of still another embodiment shown in FIG.

FIG. 11 is a schematic side view showing a machine room of still another embodiment shown in FIG. 9 in a longitudinal section.

FIG. 12 is a schematic perspective view of a refrigerator according to the related art.

FIG. 13 is a front view of a main part of a machine room of a refrigerator according to the related art, which is cut longitudinally.

[Explanation of symbols]

Reference Signs List 10 body, 14 machine room, 16 guide rails, 18 base plates, 20 condenser 22 refrigeration mechanism, 26 frame, 40 cooling fan, 42 compressor, 46 cutout 48 handle, 48a horizontal part, 48b vertical part, 50 groove ,
72 Notch 74 Notch 76 Positioning 78 Slit

──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Koji Ueno 3-16 Hoshizaki Electric Co., Ltd., Sakaemachi Minamikan, Toyoake City, Aichi Prefecture (56) References JP-A-4-151482 (JP, A) −194174 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) F25D 19/02 F25D 19/00

Claims (2)

(57) [Claims] 1. A machine room (14) defined inside a main body (10).
Then, a box-shaped base plate (18) which is provided with a refrigeration mechanism (22) such as a condenser (20), a cooling fan (40), and a compressor (42) and is opened downward is taken out in the front-rear direction. In a freely provided refrigerator or the like, a handle comprising a horizontal portion (48a) extending forward and a vertical portion (48b) rising at the front edge of the horizontal portion (48a) on the front surface of the base plate (18). (48) are integrally formed, and an upwardly open groove (50) defined by the front surface of the base plate (18) and the handle (48) is located on the front side of the position where the condenser (20) is disposed. At the inner bottom of the machine room (14), in the width direction of the base plate (18).
A pair of guide rails (16, 16) arranged in parallel at a shorter interval than the width dimension of the guide rail extend in the front-rear direction, and a notch having substantially the same dimension as a separation interval between the pair of guide rails (16, 16) is provided. A part (72, 74) is formed on the rear plate (44) of the base plate (18), and the base plate (18) is formed while the notch (72, 74) is aligned with the guide rail (16, 16). A refrigeration mechanism arrangement structure in a refrigerator or the like, wherein the refrigeration mechanism is moved in the front-rear direction and positioned in a width direction by a pair of guide rails (16, 16). 2. A machine room (14) defined inside a main body (10).
Then, a box-shaped base plate (18) which is provided with a refrigeration mechanism (22) such as a condenser (20), a cooling fan (40), and a compressor (42) and is opened downward is taken out in the front-rear direction. In a freely provided refrigerator or the like, a handle comprising a horizontal portion (48a) extending forward and a vertical portion (48b) rising at the front edge of the horizontal portion (48a) on the front surface of the base plate (18). (48) are integrally formed, and an upwardly open groove (50) defined by the front surface of the base plate (18) and the handle (48) is located on the front side of the position where the condenser (20) is disposed. Positioning portion (76) extending rearward at the rear of the base plate (18)
The positioning portion (76) is inserted into a slit (78) formed at a position corresponding to the rear portion of the machine room (14), whereby the positioning in the vertical direction at the rear portion of the base plate (18) is performed. An arrangement structure of a refrigerating mechanism in a refrigerator or the like, wherein the refrigerating mechanism is provided.