JP3337927B2 - refrigerator - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refrigerator for controlling the supply of cold air to a specification change room by a damper unit to set the temperature of the specification change room to a temperature according to the specification. The present invention relates to an improvement in the mounting configuration.

[0002]

2. Description of the Related Art Conventionally, there is a refrigerator in which an ice-making room and a specification switching room are provided side by side between a freezing room and a refrigerator room. In this system, the amount of cool air supplied to the specification switching room and the refrigerator compartment is controlled by opening and closing the baffle, and the temperature of the specification switching room is controlled according to the set specifications, and the refrigerator compartment is controlled to a temperature suitable for refrigeration. I am trying to do it.

[0003]

The refrigerator main body is constructed by accommodating a plastic inner box in an outer box made of iron plate and filling a foam insulating material between the two boxes. It is incorporated in a block to be formed in advance to form a unit, and after filling foamable heat insulating material between the outer box and the inner box, it is mounted in the storage room of the refrigerator main body and covered. In this case, since the specification change room has a narrow frontage,
It is difficult in operation to install a damper unit in the back. For this reason, the damper unit is installed at the back of the refrigerating room having a wide frontage, and the lower rear portion of the refrigerating room is partially protruded due to the arrangement of the damper unit, which deteriorates the appearance.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a refrigerator in which a damper unit can be provided at the back of a specification switching room even when the specification switching room is narrow. is there.

[0005]

SUMMARY OF THE INVENTION The present invention relates to a refrigerator provided with an inner box in a refrigerator in which an inner box is arranged in an outer box, and a foam insulating material is filled between the two boxes to form a refrigerator main body. A switching chamber, and a damper unit for controlling the supply of cool air to the specification switching chamber to control the temperature of the specification switching chamber, wherein the specification switching chamber is formed with an open back surface, and the damper unit is At the time of filling with the foaming heat insulating material, the foaming heat insulating material is attached to the outside of the back of the specification switching chamber so as to prevent the foaming heat insulating material from entering the specification switching chamber from the open rear surface, and It is characterized by being embedded. According to this means, the damper unit is attached to the outer side of the back of the specification switching chamber, and the inner box is arranged in the outer box, and the foam insulating material is filled between the two boxes. However, independently of this, the damper unit can be attached to the back of the specification change room.

In this case, the damper unit supplies the cool air to another storage room in addition to the cool air inlet for introducing the cool air cooled by the cooler and the first outlet for supplying the cool air to the specification switching room. It is preferred to have a second outlet. Further, the specification switching room is formed by a box separate from the inner box, and the inner box has a storage portion adjacent to another storage room different from the specification switching room, and the box is placed on the front surface of the storage portion. The damper unit can be inserted into the storage portion through an insertion opening formed in the storage portion, and attached to the back of a box disposed in the storage portion.

Further, the damper unit has a cover, a cool air passage disposed inside the cover and guiding the cool air introduced from the cool air inlet to the first and second air outlets, and the cool air passage. Provided in the first and second
A damper main part provided with a baffle for controlling the amount of cool air to be sent out from the air outlet, and a front plate disposed on the front part of the cover and partitioning between the damper main part and the specification switching chamber. Can be.

In this case, the front plate can be detached from the damper unit by operating from inside the specification change room, and the main damper can be taken out of the cover into the specification change room through the back opening of the specification change room. preferable.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. 4 and 5, which show the entire structure of the refrigerator, the refrigerator main body 1 houses a plastic inner box 3 in an iron plate outer box 2 and foams in a space between the outer box 2 and the inner box 3. It is configured by filling the thermal insulation material 4. The refrigerator body 1 is provided with a refrigerating room 5, an ice making room 6 arranged side by side, a specification switching room 7, a freezing room 8, and a vegetable room 9 in this order from the top as storage rooms.
Are opened and closed by doors 10-14.

[0010] Of these storage rooms, a chilled room 16 in which a case 15 is housed so as to be able to be pulled out is provided in the lower part of the refrigerator room 5.
The chilled room 16 has a refrigerator room 5 at the back.
It is flush with the back. In addition, the specification switching room 7 can switch its cooling temperature in a wide range, and by switching the cooling temperature, it can be selectively used as any of a freezing room, a partial freezing room, a chilled room, a refrigerator room and a vegetable room. It has become.

Since the ice making room 6 and the freezing room 8 have the same temperature zone, the two rooms 6 and 8 communicate with each other. The back of the freezing compartment 8 and the back of the ice making compartment 6 are partitioned by a partition wall 17 to form a cooler compartment 18 and a fan compartment 19, and a cooler 20 and a fan device 21 are provided in the compartments 18 and 19, respectively. It is arranged.

The partition wall 17 covers the heat insulating wall 17a.
7b. The partition 17 has a discharge port 22 opened in the ice making chamber 6 and the freezing chamber 8, and a portion of the partition 17 corresponding to the fan chamber 19 includes: A cool air supply path 23 extending from the periphery of the discharge port 22 toward the specification switching chamber 7 is formed. When the fan 21a of the fan device 20 is positioned in the discharge port 22 and is rotated by the motor 21b, the cooling chamber 1
A portion of the cool air inside 8 is blown out from the discharge port 22 into the ice making chamber 6 and the freezing room 8, and the remaining cool air is blown out into the cool air supply passage 23.

The outlet of the cool air supply passage 23 is connected to a damper unit 24 provided on the rear side of the specification switching chamber 7. As shown in FIGS. 1 and 2, the damper unit 24 includes a mounting plate 25 serving as a front plate, a damper main portion 26 disposed on the rear side of the mounting plate 25, and the damper main portion 26. And a box-shaped cover 27 having an open front and attached to the specification switching room 7.
The mounting plate 25 also functions as a back plate of the specification switching room 7, and blocks the rear opening of the specification switching room 7 to partition between the specification switching room 7 and the damper main part 26.

Here, inside the cover 27, a plurality of bosses 27a (only one is shown in FIG. 1) protruding forward from the rear surface are integrally provided.
The mounting plate 25 is screwed. The damper main portion 26 and the mounting plate 25 are formed to have the same size as the rear opening so that they can pass through the rear opening of the specification switching chamber 7.

On the left side of the cover 27, a cool air inlet 28 connected to the cool air supply passage 23 is formed so as to protrude to the left. The damper main part 26 is connected to the cool air inlet 28 and is connected to the cool air inlet 28. A cool air passage 29 that guides cool air flowing in from the inlet 28 is formed. The outlet side of the cool air passage 29 of the damper main portion 26 is branched into two branches, and one branch passage 29a is connected to a first outlet 30 formed in the mounting plate 25,
The other branch passage 29b is connected to a second outlet 31 formed on the back surface of the cover 27 so as to protrude upward.

The first outlet 30 is connected to a duct 32 which is detachably attached to the upper surface of the inside of the specification switching chamber 7, and the cool air discharged from the first outlet 30 switches the specification from the duct 32. It is blown out into the chamber 7. Also, the second
Outlet 31 is provided with a duct 33 provided at the back of the refrigerator compartment 5.
The cool air discharged from the second outlet 31 is blown out from the duct 33 into the chilled chamber 16 and the refrigeration chamber 5.

The first and second outlets 30 and 3
Cold room 5 and chilled room 1 by cold air blown out from 1
6 and the specification switching chamber 7 are cooled. Then, by controlling the supply amount of the cool air, the cooling temperatures of the refrigerating room 5 (chilled room 16) and the specification switching room 7 are controlled.
In order to control the amount of cold air blown from the first and second outlets 30 and 31, the damper main part 26 has baffles 34 and 3 for opening and closing the branch passages 29a and 29b.
5 are provided.

Although not shown, the baffles 34 and 35 are controlled to open and close by a single motor via a cam mechanism. The control device (not shown) opens and closes the baffles 34 and 35 based on the temperatures detected by the temperature sensors provided in the refrigeration room 5 and the specification switching room 7, respectively. Control the temperature. In addition, 2
The opening and closing modes of the baffles 34 and 35 are both open,
Both are closed, one baffle 34 is open and the other baffle 35 is closed, one baffle 34 is closed and the other baffle 3
5 has only four open modes, so that the four modes are obtained by rotating the camshaft every 90 degrees.

By the way, the cold air supplied to the ice making room 6, the freezing room 8, and the specification switching room 7 cools the respective rooms,
It is returned to the cooler room 18 and the refrigerator room 5 and the chilled room 16
Is supplied to the vegetable compartment 9 to cool the vegetable compartment 9, and is finally returned to the cooler compartment 18.
Then, the air returned to the cooler room 18 is again cooled by the cooler 20.
And circulates so as to be supplied to each of the chambers 5 to 9 and 16.

The inner box 3 is manufactured by vacuum forming. Of the chambers 5 to 9, the chambers 5, 6, 8, and 9 except the specification switching chamber 7 are integrally formed. 7 is formed by attaching a separately formed box 36. This box 36 is manufactured by injection molding of plastic, and the back surface is open.
The cover 27 of the damper unit 24 is attached to its back.

FIGS. 2 and 3 show the inner box 3 immediately after vacuum forming. The ice making chamber 6 and the freezing chamber 8 are communicated with each other.
The front portion of the portion 37 for housing the box 36 is closed by a closing plate 38. And box 3
When attaching 6 to the inner box 3, a rectangular insertion opening 39 is formed in the closing plate portion 38, and the box 36 is attached to the partition frame 40. This partitioning frame 40 is provided with a partitioning part 41 provided inside the inner box 3 so as to partition the chambers 5 to 8 from each other.
It can be attached to. The partition frame 40 is used to partition the first half of the ice making room 6 and the freezing room 8 from the partition bar 4.
The ice making room 6 and the freezing room 8 are substantially partitioned by the partition bar 40a.

Here, the procedure for manufacturing the refrigerator main body 1 by inserting the inner box 23 into the outer box 22 will be described. First, a rectangular insertion opening 39 is formed in the closing plate portion 38 of the inner box 3 as described above, and the box 36 is attached to the rear side of the partition frame 40. Thereafter, the box 36 is inserted through the insertion opening 39 into the storage section 37, and is placed in the storage section 37, and the partition frame 40 is inserted into the partition section 41 of the inner box 23.
To the front of the

On the other hand, the damper main portion 26 is accommodated in the cover 27 of the damper unit 24, and the mounting plate 25 is tightened and fixed to the boss portion 27a by screws 41 as a mounting means detachable therefrom. Then, the screw 42 is passed through a through hole 43 formed in the flange 27a of the cover 27, and the screw 42
Is screwed to the peripheral portion on the back surface of the box 36 inserted and arranged in the storage section 37 as described above. Thus, the damper unit 24 is attached to the back of the box 36 so as to cover the open back. In FIG. 3, reference numeral 44 denotes a partition member attached to the front of a partition 45 between the freezing compartment 8 and the vegetable compartment 9.

After the box 36 is attached to the inner box 3 as described above, and the damper unit 24 is attached to the back of the box 36, the inner box 3 is stored in the outer box 2.
Finally, the space between the outer box 2 and the inner box 3 is filled with the foamable heat insulating material 4 to manufacture the refrigerator body 1. When filling the foam insulating material 4, the back surface of the box 36 is closed by the cover 27, so that the foam insulating material 4 does not enter the box 36.

As described above, according to the present embodiment, the box 3
Since the damper unit 24 is attached to the outside of the back of the box 6, even if the box 36 (specification switching chamber 7) is formed next to the ice making chamber 6 and is narrow,
A damper unit 24 can be provided at the rear of the specification switching room 7. For this reason, the damper unit 24 cannot be arranged in the specification switching room 7, and unlike the conventional case where the damper unit 24 has to be arranged at the back of the bottom in the refrigeration room 5 having a wide frontage, the damper unit 24 is disposed It does not appear to protrude, and the appearance is improved. Moreover, it is not necessary to install the damper unit 24 in the inner bottom portion of the refrigerator compartment 5.
Similarly, the chilled chamber 16 provided at the inner bottom of the refrigeration chamber 5 can be widened in the depth direction, and the inner volume can be increased.

Further, the foam insulating material 4 is filled between the outer box 2 and the inner box 3 with the damper unit 24 attached to the back of the box 36 as described above. At the time of filling, the damper unit 24 is necessarily covered with the foamable heat insulating material 4. For this reason, unlike the configuration in which the damper unit 24 is disposed in the refrigerator compartment 5 after filling the foamable heat insulating material 4, no heat insulating block for enclosing the damper unit 24 for heat insulation is required, and cost reduction is achieved. Become. Specifically, since the damper unit 24 can be constituted by the three main parts of the mounting plate 25, the damper main part 26, and the cover 27, it can be manufactured at low cost.

The mounting plate 25 is formed to have the same size as the rear opening of the specification switching chamber 7, and the mounting means is
The cover 41 is attached to the cover 27 from the front side.
Is removed, the mounting plate 25 can be pulled out into the specification switching chamber 7 through the rear opening. For this reason, the damper unit 24 is covered with the foamed heat insulating material 4. However, even in the event of a failure, after the duct 32 is removed from the ceiling of the specification switching room 7, the screws 41 are removed and the mounting plate 25 is removed. If the damper main portion 26 is removed from the cover 27, the damper main portion 26 can be pulled out from the inside of the cover 27 into the specification switching chamber 7, so that repair or replacement thereof can be easily performed.

In addition, in this embodiment, the damper unit 2
4 is provided with a cool air inlet 28 and a first outlet 30 for supplying the introduced cool air to the specification switching chamber 7, and a second outlet 31 for supplying the introduced cool air to the refrigerator compartment 5 and the chilled room 16. Therefore, a baffle 3 for supplying cool air to the chambers 5, 7, and 16 that need to control the temperature by controlling the cool air supply amount.
4, 35, the drive mechanisms can be integrated, and the overall size can be reduced.

In this case, since the first outlet 30 for supplying cool air to the specification switching chamber 7 is formed in the mounting plate 25 closing the back of the specification switching chamber 7, the air is blown out from the first outlet 30. There is no need to separately form a passage for guiding cool air into the specification switching chamber 7, and the configuration is simplified.

Further, since the specification switching chamber 7 is formed by a box 36 separate from the inner box 3, the specification switching chamber 7 is formed integrally with the ice making chamber 6 when the inner box 3 is vacuum formed. Unlike this, the elongation percentage of the portion where the ice making chamber 6 and the specification switching chamber 7 are vacuum-formed is higher than the other portions, the wall thickness is reduced, and the occurrence of troubles such as breakage is prevented beforehand. be able to.

[0031]

As described above, according to the present invention, the following effects can be obtained. According to the first aspect of the present invention, the damper unit can be attached to the back of the specification switching chamber having a narrow frontage. In the invention according to claim 2, 1
One damper unit can control the supply of cold air to another storage room in addition to the specification switching room. According to the third aspect of the present invention, since the specification switching chamber is formed by a box separate from the inner box, the thickness of the inner box formed by vacuum forming can be prevented from being partially reduced.

According to the fourth aspect of the present invention, since the damper unit can be constituted by the front plate, the main part of the damper, and the cover, the manufacturing cost can be reduced. Claim 5
According to the described invention, even if the cover of the damper unit is covered with the foaming heat insulating material, if the damper unit should fail, the main part of the damper can be easily replaced through the specification switching room.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional side view of a main part showing one embodiment of the present invention.

FIG. 2 is an exploded perspective view of a main part.

FIG. 3 is a perspective view showing a mounting configuration of a box to an inner box.

FIG. 4 is an overall vertical side view.

FIG. 5 is a front view

[Explanation of symbols]

In the figure, 1 is a refrigerator main body, 2 is an outer box, 3 is an inner box, 4 is a foam insulating material, 7 is a specification switching room, 24 is a damper unit, 2
5 is a mounting plate (front plate), 26 is a damper main part, 27 is a cover, 28 is a cool air inlet, 29 is a cool air passage, 30, 31 are first and second outlets, 34 and 35 are baffles, 36 Is a box, and 37 is a storage unit.

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) F25D 17/08 312 F25D 17/08 309

Claims (5)

(57) [Claims] 1. A refrigerator in which an inner box is arranged in an outer box, and a foam insulating material is filled between the two boxes to form a refrigerator main body, wherein a specification switching room provided in the inner box; A damper unit for controlling the supply of cool air to control the temperature of the specification switching chamber, wherein the specification switching chamber is formed with an open back surface, and the damper unit is provided when the foamable heat insulating material is filled. A refrigerator, which is attached to the outside of the back of the specification switching chamber so as to prevent the foamable heat insulating material from entering the specification switching chamber from its open back surface , and is embedded in the foamable heat insulating material. . 2. The damper unit according to claim 1, further comprising: a cold air inlet for introducing the cool air cooled by the cooler; a first outlet for supplying the cool air to the specification switching chamber; 2. The refrigerator according to claim 1, wherein the refrigerator has two outlets. 3. The specification change room is formed by a box separate from the inner box, and the inner box has a storage portion adjacent to another storage room different from the specification change room, and the box is stored in the storage portion. 2. The refrigerator according to claim 1, wherein the refrigerator is inserted into the storage portion through an insertion opening formed in a front portion of the storage portion, and a damper unit is attached to a back portion of a box disposed in the storage portion. 4. A damper unit having a cover, a cool air passage disposed inside the cover, and guiding cool air introduced from a cool air inlet to the first and second air outlets. A damper main part provided with a baffle for controlling the amount of cool air to be sent out from the first and second air outlets; and a damper main part disposed on a front part of the cover, between the damper main part and the specification switching chamber. 3. The refrigerator according to claim 2, wherein the refrigerator comprises a partitioning front plate. 5. The front plate is detachable from the damper unit by an operation from the inside of the specification switching room, and the main part of the damper can be taken out of the cover into the specification switching room through the back opening of the specification switching room. The refrigerator according to claim 4, wherein