JP2000065458A - refrigerator - Google Patents

Abstract

(57) [Summary] Cool air is introduced into a substantially closed space having a lid that can be freely opened and closed on a door pocket of a refrigerator compartment to cool food stored in the door pocket. PROBLEM TO BE SOLVED: To provide a refrigerator which does not raise the temperature of a door pocket even when a refrigerator compartment door is opened, and can improve the storage capacity of the space of the door pocket. SOLUTION: A substantially closed space having a cool air inlet and a cool air outlet is provided in a door pocket of a refrigerator compartment.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refrigerator door pocket and a substantially closed space structure in which a substantially closed space portion is provided in a refrigerator compartment door pocket in order to improve the temperature distribution of the refrigerator room.

[0002]

2. Description of the Related Art FIG. 25 and FIG.
It is the principal part sectional view and perspective view which show the conventional refrigerator shown in No. 338. In the figure, 1 is a refrigerator compartment door, 2 is an outer box of a refrigerator made of a steel plate, 3 is an inner box formed by vacuum forming a synthetic resin sheet, and 4 is injected between the outer box 2 and the inner box 3. Insulation material such as polyurethane, 5 is a heat insulating partition,
The refrigerator compartment 6 and the freezer compartment 7 are partitioned.

[0003] Reference numeral 8 denotes a cool air suction air passage provided in the heat insulating partition wall 5, reference numeral 9 denotes a rear cool air passage for supplying cool air cooled by a cooler to the refrigerator compartment 6, and reference numeral 10 denotes a rear cool air passage 9. Damper to control the amount of cold air, 11 is a temperature sensor,
The opening and closing of the damper 10 is controlled by detecting the atmosphere temperature in the refrigerator.

[0004] Reference numeral 12 denotes a cool air outlet provided in the rear cool air passage 9, which is provided for each section partitioned by a shelf 13 on which foods and the like are placed.

Reference numeral 14 denotes a door pocket of the refrigerator compartment 6, which has a height of about 35 to 80 mm so that foods and the like do not drop when the refrigerator compartment door 1 is opened and closed.

Reference numeral 15 denotes an inner plate formed by vacuum forming a synthetic resin sheet, and has a door pocket attached thereto.

The temperature sensor 11 detects the ambient temperature in the refrigerator. When the temperature becomes higher than a set temperature, the damper 10 is opened and cool air flows into the rear cool air passage 9.

The cool air flowing into the rear cool air passage 9 blows out from the cool air outlet 12 to each shelf 13, cools the door pocket 14 from just before the shelf 13, and returns to the cool air suction air passage 8.

[0009]

With the increase in size of refrigerators, the importance of controlling the temperature of foods stored in refrigerators (storage rooms) has been emphasized. Since the temperature distribution in the room becomes worse, more precise temperature control is required. However, since the conventional refrigerator is configured as described above, the food placed in the door pocket is exposed to the outside air (warm air) of the refrigerator every time the door is opened, and the food temperature rises to near the outside air temperature. Even if the door is closed, it is not easy to cool down. In addition, the door pocket is the easiest to read and put in foods and the like, and it is a space that is easy to see, but it is a space with a high temperature rise and poor preservation, so the stored food is limited to bottles and other things that can be stored effectively. Will be done. In addition, if food is placed in the door pocket, it will fall down due to the centrifugal force when the door is opened and closed, so that it cannot be stacked and stored above the height of the door pocket, creating a dead space. was there. In particular, the refrigerator compartment has a problem that the doors are opened and closed more frequently than the freezer compartment, and the temperature rise when the door is opened is large, resulting in poor storage stability. The present invention
The purpose of the present invention is to solve such a problem by preventing the temperature of the door pocket of the refrigerator compartment from rising, improving the refrigerator compartment temperature immediately after opening and closing the door, and improving storage efficiency. I have.

[0010]

SUMMARY OF THE INVENTION A refrigerator according to the present invention has a refrigerator room and a door shelf provided on a door for opening and closing the refrigerator room, which has a substantially closed space capable of holding cool air. A plurality or a single cool air inlet for taking in cool air into the closed space, and a plurality or single cool air outlet for discharging the cool air in the substantially closed space are provided for cooling the storage items stored in the substantially closed space. is there.

[0011] Further, the substantially closed space portion is provided with an opening for taking in and out of the stored articles in the substantially closed space portion, and a lid that can be opened and closed at the opening portion.

Further, a part or all of the members constituting the substantially closed space portion are formed of a material through which the substantially closed space portion can be seen.

[0013] Further, a step for forming a cool air passage is provided on the door inner plate side of the substantially closed space portion.

[0014] Further, both or one of a side duct provided on the side surface of the refrigerator compartment for guiding cool air to the cool air intake and a ceiling duct provided on the ceiling of the refrigerator compartment is provided.

Further, a sliding door which can be opened and closed is provided at the opening of the substantially closed space, and a pair of upper and lower sliding door rails formed at the upper and lower edges of the opening are provided.

Also, the sliding door and the sliding door rail provided on the lower side are
Do not use the same material.

Further, a sliding member is provided on both or one of the sliding door and the sliding door rail provided on the lower side.

Further, both or one of the upper sliding door rail and the lower sliding door rail of the sliding door is formed integrally with the door shelf.

Further, both or one of the upper sliding door rail and the lower sliding door rail of the sliding door is made detachable.

Further, the ceiling surface and the floor surface of the substantially enclosed space are formed by door shelves.

The upper door shelf, which forms the ceiling surface of the substantially closed space, has a height on the back side lower than that on the front side.

The upper door shelf forming the ceiling surface of the substantially enclosed space and the lower door shelf forming the floor surface are integrally formed.

[0023] Further, a partition for stored items is provided in the substantially enclosed space.

[0024]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 Hereinafter, a first embodiment of the present invention will be described with reference to the drawings. Since the numbers and names of 1 to 15 are the same as those described in the related art, the description is omitted. FIG. 1 is a sectional view of a main part of the refrigerator as viewed from the side, and FIG.
FIG. 2 is an enlarged view of a main part of FIG. 1. In the figure, reference numeral 16 denotes an upper door pocket, which is a door shelf provided above the refrigerator compartment door 1;
Reference numeral 7 denotes a lower door pocket, which is a door shelf provided on the lower side. An upper door pocket 16 and a lower door pocket 17 are connected by a side surface to be integrated, and a sliding door type lid 18 is provided in a front opening to provide a substantially closed space. A portion 19 is formed. Approximately closed space 19 and lid 1
Since the material of No. 8 is formed of a transparent synthetic resin, the stored items (foods, etc.) stored in the substantially closed space portion 19 are easy to see,
There is no worry about forgetting to use. In addition, the substantially closed space 19 and the lid 1
Even if all of the materials of No. 8 are not made of a transparent synthetic resin, it is sufficient if the stored food is transparent, such as partially opaque or entirely opaque. Reference numerals 23 and 24 denote a pair of upper and lower sliding door rails for sliding the sliding door type lid 18 left and right. Reference numeral 25 denotes a knob for sliding the cover 18 left and right. Numeral 26 denotes a food contact prevention rib for preventing the food from hitting the lid 18 and for smooth opening and closing. Here, it is provided on the lower sliding door rail 24, but may be provided on the lid 18 or the lower door pocket 17. 21 is the upper door pocket 16
Reference numeral 22 denotes a cool air outlet provided on the floor of the lower door pocket 17. The cool air flows from the cool air inlet 21 into the substantially closed space 19, cools the stored items in the substantially closed space 19 sufficiently, and exits through the cool air outlet 22. FIG. 3 is a sectional view of the vicinity of the upper door pocket 16 when the refrigerator compartment is viewed from above. The ventilation duct 20 which is provided on the back surface of the inner plate 15 and has a recessed step leading to the substantially closed space 19 sends a part of the cool air blown out from the cool air outlet 12 to the substantially closed space 19. In addition, if the upper door pocket 16 forming the ceiling surface of the substantially enclosed space portion 19 and the lower door pocket 17 forming the floor surface are integrally formed, the assemblability is good, the bending and twisting are reduced, and the cost is reduced.

FIGS. 4 and 5 are vertical sectional views of the refrigerator as viewed from the side. Reference numeral 21 denotes a concave / convex shape of the floor surface of the upper door pocket 16, and a cool air inlet provided in the concave portion, and a part of the cool air blown out from the cool air outlet 12 provided on the back of the refrigerator compartment 6. Take it in 19. 22 is the lower door pocket 1
The floor of 7 has an uneven shape, and cool air that has cooled the inside of the substantially enclosed space 19 and is discharged to the outside of the substantially closed space 19 through a cool air outlet provided in the recess. Therefore, upper door pocket 1
6 and the lower door pocket 17, a gap is secured between the food and the recess, so that the cold air inlet 21 and the cold air outlet 2
2 does not have to worry about being blocked.

FIG. 6 is a perspective view of the door pocket of the refrigerator door 1 inside the refrigerator. In the figure, reference numeral 16 denotes an upper door pocket which is a door shelf portion forming the ceiling surface of a substantially closed space portion 19 provided above the refrigerator compartment door 1, and 17 denotes a door shelf forming a floor surface of the substantially closed space portion 19. A lower door pocket provided below the upper door pocket 16 which is a part, and the upper door pocket 16 and the lower door pocket 17 are connected by a side surface to be integrated, and a sliding door-type lid 18 is provided at a front opening to be substantially sealed. A space 19 is formed. The cover 18 has a knob 2 for opening and closing the cover 18.
5 are provided. Reference numeral 20 denotes a ventilation duct provided on the back surface of the inner plate 15 and having a recessed step leading to the substantially closed space portion 19, and reference numeral 21 denotes a cold air inlet provided in the upper door pocket 16.

FIG. 7 is a cross-sectional view of the vicinity of the door pocket when the refrigerator is viewed from the side. Reference numeral 38 denotes a ceiling duct provided on the ceiling surface in the refrigerator, 55 denotes a ceiling cool air outlet provided in the ceiling duct 38, and cool air from the ceiling duct 38 is blown out toward the upper door pocket 16, and the cool air is passed through the ventilation duct 20. And it is led to the ventilation duct 20 from the upper door pocket 16 (to cool the foods 49). The cold air taken into the substantially closed space 19 is
The contents stored in the substantially closed space 19 are cooled and guided into the refrigerator through the cool air outlet 22 in the substantially closed space.

Reference numeral 50 denotes a cutout provided on the refrigerator door 1 side, which is the rear side of the upper door pocket 16. Upper door pocket 1
When the food 49 is completely stored in the inside 6, the cold air intake 21 provided on the bottom surface of the upper door pocket 16 is closed by the food 49, and the ventilation duct 2
Only the cool air from zero flows, and no cool air is sent from the cool air inlet 21. Further, when the tall food 49 is stored in the upper door pocket 16, the supply of the cool air to the ventilation duct 20 may be interrupted by the food 49. Therefore, a cutout portion 50 is provided on the back surface of the upper door pocket 16, and the cool air accumulated in the upper door pocket 16 is guided from the cutout portion 50 to the ventilation duct 20, and the cool air flows through the substantially closed space portion 19.

In FIG. 7, the height B of the notch 50 from the bottom surface of the upper door pocket 16 is lower than the height A of the front surface of the upper door pocket 16. By providing the height B low, the cool air in the upper door pocket 16 can easily flow from the front side of the upper door pocket 16 to the rear side which is the ventilation duct 20 side.

In FIG. 6, the lateral width of the ventilation duct 20 and the lateral width of the notch 50 are provided to be the same. However, the lateral width of the notch 50 may be any width as long as the lateral width of the ventilation duct 20 is sufficient. May be. However, it is needless to say that the larger the width of the notch 50 is, the more the cool air accumulated in the upper door pocket 16 flows into the ventilation duct 20. Although the notch 50 has a notch shape, the upper door pocket 16
The height of the back surface may be lower than A, and the entire width of the back surface may be lower than the height A of the front surface.

As described above, the food 49 is stored in the upper door pocket 16.
No matter how is stored, sufficient cold air will be guided into the substantially closed space 19.

Although the cool air is guided to the upper door pocket 16 and the ventilation duct 20 from the cool air outlet 55 for the ceiling of the ceiling duct 38 here, it is not the cool air only from the refrigerator ceiling, but the cool air of the refrigerator. Top door pocket 1 from the side
6 and the air duct 20 are used for cooling air.

FIGS. 8 and 9 are cross-sectional views of a main part near the lower door pocket 17 when the refrigerator is viewed from above. 1 is a refrigerator door, 2
7 is a step provided on the back surface of the inner plate 15, 18a and 18b are sliding door-type lids that slidably close the front surface of the substantially closed space portion 19, 18a is inside the refrigerator, and 18b is substantially on the closed space side. Is provided. 15 is a handle for opening and closing the lids 18a, 18b provided on the lids 18a, 18b.
49 is foodstuffs stored in the substantially closed space portion 19, and 28 is a shelf contact prevention rib provided in the lower door pocket. When the refrigerator compartment door 1 is closed with the refrigerator compartment shelf 13 pulled out, the shelf contact prevention rib is provided on the front surface of the lower door pocket 17 to prevent the front of the shelf 13 from hitting the lid 18 and being damaged. 28 are provided. Reference numeral 52 denotes a scratch prevention rib which prevents the hard food 49 from hitting the lid 18b and damaging the flat portion of the lid 18b. Reference numerals 29 and 30 denote inclined portions A and B provided at the overlapping portions of the pair of left and right sliding door-type lids 18a and 18b to make the end surfaces thinner. Slope A 29
Shows the outer surface of the lid 18 in a planar manner to improve the design. Since the inclined portion 30 smoothes the inner surface of the lid 18, even when the food comes into contact with the lid 18, one of the lids 18 enters the contact portion and can be smoothly opened and closed. With this structure, even if the food 49 contacts the outer lid 18, the inner lid 18 can slide. Further, when food comes into contact with the inner plate 15 of the refrigerator door 1, the temperature of the food rises due to heat conduction of the outside air. Therefore, a step 27 is provided on the back surface of the inner plate 15 to reduce the contact area between the inner plate 15 and the food. As a result, the temperature of the food is prevented from rising, and the food 49 does not block the cold air passage.

In FIG. 9, when a food 49 such as a hard can or a tapper is stored in the substantially closed space 19 and hits the lid 18b, the lid 49 is opened and the food 49 is taken out. (A surface facing the substantially closed space) may be laterally scratched or scratched. In view of this, a convex portion 52 which is a scratch preventing rib is provided on the inclined portion 30 of the lid 18b so that the food 49 hits the scratch preventing rib 52 when the lid 18b is opened. Food 4
9 moves inward from the tip of the damage prevention rib 52, so that the food 49 does not hit the flat portion of the lid 18 b but hits the damage prevention rib 52.

Although the anti-scratch rib 52 is provided on the inclined portion 30 of the lid 18b in FIG. 9, it may be located on a flat surface as long as it is near the inclined portion 30. In addition, the scratch prevention rib 5
2 is fully provided in the height direction, the lid 18b can be used even when the tall food 49 is stored in the substantially closed space portion 19.
There is no scratch on the flat part.

As described above, the food 49 hits the scratch prevention rib 52 and is scratched. However, the flat portion of the lid 18b on the substantially closed space 19 side of the lid 18b which is visible when a person opens the refrigerator door 1 and looks from the front. The cover 18b made of a transparent member or a translucent member and made of a transparent material does not impair the design of the cover 18b.
Incidentally, the damage prevention rib 52 may be formed integrally with the lid 18b.

FIGS. 10 and 11 are enlarged views of the vicinity of the lid 18 as viewed from the front of the refrigerator. 16 is the upper door pocket, 17
Is a lower door pocket, and 18 is a lid which covers the front of the substantially closed space portion 19 provided between the upper door pocket 16 and the lower door pocket, and is provided with 25 for opening and closing the lid 18. In order to improve the slidability of the lid 18, a contact projection 33 is provided at the lower portion of the lid 18 to reduce the contact area between the lower sliding door rail 24 and the lower rail groove 36. Numeral 34 is a mark for clearing the top, bottom, left and right by engraving, embossing, printing, or the like, a character or a picture in order to prevent misplacement of the lid 18 on the left and right. By attaching such a mark, the left and right lids may be used by mistake, causing a cold air leak in the substantially closed space portion 19, or when removing and refitting the lid 18 once, such as when cleaning the lid 18,
There will be no mistakes.

As shown in FIG. 11, a projection 51 serving as a stopper for preventing the lid 18 from opening when the refrigerator door 1 is opened and closed is provided in the lower rail groove 36. Convex part 33 under lid 18
Is caught by the convex portion 51 of the lower rail groove 36 and the lid 18
Even when the refrigerator door 1 is light, the lid 18 does not open when the refrigerator door 1 is opened and closed. The lid 18 is opened for the first time when the projection 33 below the lid 18 exceeds the projection of the lower rail groove 36. The protrusion of the convex portion of the lower rail groove 36 is such that it cannot be opened by opening and closing the refrigerator door 1 and the lid 1
It is preferable that the opening 8 is easy to open.

FIG. 12 is a sectional view of a main part near the lid 18. 23 is an upper sliding door rail, 24 is a lower sliding door rail, 35 is an upper rail groove, and 36 is a lower rail groove. Sliding door rail 2
The hook 32 of the lower door pocket 17 is engaged with the recess 31 of the lower door 4 to make the lower sliding door rail 24 detachable, so that even if it gets dirty, it can be easily removed and washed. By making the material of the lower sliding door rail 24 different from the material of the lid 18 (not the same material), it is possible to suppress a molecular level adhesion phenomenon occurring between parts due to frictional heat generated at the time of sliding and to smoothly open and close. Further, coloring, printing, painting or the like is added to the lower sliding door rail 24 to give it a design. When the cover 18 is removed, the cover 18 can be easily removed by pushing the cover 18 into the upper rail groove 35 and pulling the cover 18 forward from the lower rail groove 36 in the same manner as in the relationship between the sill and the door. When storing things such as bottles that can be stored effectively in the substantially closed space 19, the lid 18 can be removed and used.
If it becomes dirty, it can be easily removed and washed. In addition, since a clearance is provided between the upper rail groove 35 and the upper end of the lid 18, the lid 18 can be smoothly opened and closed even if food is placed on the upper door pocket 16 and bent.

FIG. 13 is an enlarged view of the lid 18 as viewed from the front. In the figure, 16 is an upper door pocket, 18 is a cover which covers the front surface of the substantially closed space portion 19, 25 is a handle for opening and closing the cover 18 provided on the cover 18, 56 is a projection provided on the top of the cover 18, 35 Is an upper rail groove provided in the upper sliding door rail 23 attached to the upper door pocket 16, and 54 is a concave portion provided in the upper rail groove 35.

The lid 18 and the upper rail groove 35 can be taken out by pulling the lower part of the lid 18 forward while pushing the upper part of the lid 18 into the upper rail groove 35 in the same manner as the relationship between the threshold of the sliding door and the doorway of the shoji. I have. However, the lid 18
When the cover 18 is opened and closed, such as when the cover 18 is light, when the knob 25 is gripped, a force is applied upward and the cover 18 is lifted, and the cover 1 is lifted.
8 may come off from the lower rail groove 36 in some cases.

A concave portion 54 is provided in the upper rail groove 35 so that the lid 18 does not come off when the lid 18 is opened and closed, and a convex portion 56 which fits into the concave portion 54 is provided above the lid 18. Lid 18
Is slid, the upper part of the lid 18 slides in the upper rail groove 35. A convex portion 56 is provided on the upper portion of the
Is sliding, the convex portion 56 of the lid 18 is
5, so that the lid 18 does not come off until the convex portion 56 of the lid 18 fits into the concave portion 54 of the upper rail groove 35. When the convex portion 56 of the lid 18 goes to the concave portion 54 of the upper rail groove 35 and lifts the lid 18, the convex portion 56 of the lid 18 is lifted up to the full concave portion 54 of the upper rail groove 35, and for the first time, the lower portion of the lid 18 Can be removed from the lower rail groove 36, and the lid 18 can be removed. The position of the concave portion 54 of the upper rail groove 35 is
8 From the place where the lid 18 which is likely to lift the lid 18 is likely to be lifted at the time of opening / closing or where the convex portion 54 of the lid is in the middle of sliding, the lid 18 which is unlikely to lift the lid 18 is completely opened, and the handle 25 is pushed. (When the right lid 18 is fully opened to the left and the left lid 18 is fully opened to the right, the convex portion 56 of the lid 18 is in contact with the concave portion 54). The probability of departure is reduced and reliability is increased.

FIG. 14A is an enlarged front view of the cover 18 and FIGS. 14B and 14C are enlarged views of the knob 25 of the cover 18b. Reference numeral 18a denotes a front lid facing the inside of the refrigerator, and 18b denotes a rear lid facing the substantially enclosed space portion 19. In FIG. 13, the convex portion 56 provided on the upper portion of the lid 18 and the concave portion 54 provided on the upper rail groove 35 are provided to prevent the lid 18 from coming off. In addition to the protrusion 56 of the cover 18 and the upper rail groove 35, a protrusion 25 serving as a stopper is provided on the knob 25 of the cover 18 so that the cover 18 can be removed only when necessary, such as when cleaning or replacing the cover 18. Further, the upper rail groove 3 is provided in the container (here, the front surface of the upper door pocket 16) in the substantially closed space portion 19.
A mark A (58) is provided at a position corresponding to the concave portion 54 of No. 5,
A mark B (59) is provided on the cover 18a at a position where the protrusion 56 of the cover 18a is located, so that the position where the protrusion 56 and the recess 54 are aligned can be easily understood.

The operation of removing the lid 18 is as follows.
When removing the right cover 18a, the right cover 18a is
14 (a), the right lid 18a hits the stopper 57 as shown in FIG. 14 (b). Push the handle 25 of the left lid 18b in the direction of the arrow in FIG.
The projection 57 is pushed over by a. Next, mark A (58)
And mark B (59), and
4. The convex portion 56 of the cover 18a is lifted up and fitted to the cover 4a. Then, when the right lid 18a is lifted and pulled toward the user, the right lid 18a comes off. The left lid 18b is
Lift up and remove.

During normal lid opening and closing operation, the right lid 18
When a is slid left, it hits the stopper 57, and the concave portion 54 of the upper rail groove does not fit with the convex portion 56 of the lid 18a, so that the lid does not come off. . As described above, the sliding of the lid 18 during normal operation (slide)
In order to prevent the lid 18 from coming off, the step (1) in which the lid 18a climbs over the convex portion 57 as the stopper portion is performed.
The lid 18a is lifted up and removed by taking two steps (step 2) and a step (2 steps) of aligning the concave portion 54 of the upper rail groove with the convex portion 56 of the lid 18a.

In this case, since the left lid 18b overlaps with the right lid 18a and is hard to be removed, the left lid 18b corresponds to the projection 56 of the right lid 18a, Although the concave portion 54 of the upper rail groove 35 that fits into the convex portion 56 is not provided, by providing these, the lid is further prevented from coming off, and the reliability is improved.

Although the stopper 57 is provided on the knob 25, it may be provided on the lid 18b.

As shown in FIG. 15, one of the lids 18 can be used without opening and closing the lid 18 with one of the lids being opened. When the right lid 18 is opened in the direction of the arrow, the left end of the right lid 18 pushes the knob 25 of the left lid 18 so that the lid 18 can be opened at a time. Here, since the ceiling surface and the floor surface of the substantially closed space portion are formed by the door pockets as the door shelves, the material cost can be reduced as compared with the case where the substantially closed space portion is newly provided. Further, since it is not necessary to newly provide parts for forming the ceiling surface and the floor surface, the number of parts to be assembled is small (the parts cost is low), and the assembling work is small (the processing cost is low).

A cool air inlet into the substantially closed space 19 is provided at a position facing the cool air outlet 55 or the cool air outlet 12 of the ceiling duct 38 or the cool air outlet of the side duct provided on the side of the refrigerator. Therefore, since the cool air is directly introduced into the substantially closed space 19, the temperature in the substantially closed space 19 can be kept low. Further, the substantially closed space portion 19 is provided substantially over the entire width of the refrigerator door 1. Therefore, since the substantially closed space portion 19 seals a large space in the refrigerator compartment, a space in the refrigerator that receives a temperature change becomes small. Further, the closed space 19 is provided at a position facing a plurality of shelves 13 which are shelves for partitioning the inside of the refrigerator and are located above. Therefore, the structure that disturbs the flow of the cool air blown into the refrigerator is reduced, and
The upper shelf where the temperature tends to rise can be effectively cooled. In FIG. 1, the cool air is blown out along the shelf 13,
The food flows down from the top to the bottom to cool the whole food. Usually, the flow of cool air hits the door pockets 16 and 17 and is disturbed. By providing the hermetically closed space or storage portion in the door pocket portion, the cool air that has cooled the shelf 13 smoothly flows downward through the lid 18 of the hermetically sealed space portion 19, and thus the structure of the refrigerator door 1 and the door pockets 16 and 17 are provided. Due to the structure described above, the cool air is not disturbed, the flow in the refrigerator becomes effective, and the food can be cooled with less energy.
Therefore, the energy saving effect of the refrigerator can be obtained.

Embodiment 2 Hereinafter, a second embodiment of the present invention will be described with reference to the drawings. 16 and 17 are longitudinal sectional views of the vicinity of the substantially closed space portion 19 when the refrigerator is viewed from the side. FIG.
6, since the upper sliding door rail 23 is formed integrally with the upper door pocket 16, the fixing degree of the sliding door rail is good,
The number of parts is also reduced. Here, the lower sliding door rail 24 is formed separately from the lower door pocket 17, but similar effects can be obtained by integrally forming the lower sliding door rail 24. In the figure, cool air from a side duct 37 provided on a side surface in the refrigerator is taken into the substantially closed space portion 19. If the cool air inlet 53 is provided at a position opposite to the cool air outlet 12 of the side duct 37, cool air can be reliably taken in. Here, cool air is introduced from the top, side, and back of the substantially closed space 19 and discharged from the bottom surface, so that the stored items can be reliably cooled no matter where they are stored in the substantially closed space 19.

In FIG. 17, when the cool air from the cool air outlet 55 for ceiling provided in the ceiling duct 38 provided on the ceiling surface in the refrigerator is taken into the substantially closed space 19, the cool air outlet 2
2 is provided above the side surface of the substantially closed space portion 19,
Cold air convects in the substantially closed space 19, and the substantially closed space 19
It is possible to sufficiently cool all the stored items inside. If the cool air discharge port 22 in FIG. 17 has the same shape as the cool air inlet 53 in FIG. 16, a cool air inlet and a discharge port different from each other can be obtained using the same case. In addition, the side air duct 37, the ceiling duct 38, a cold air inlet at a place facing each duct,
When the cool air discharge port is provided, cool air is further taken into the closed space portion 19, and the cooling effect is enhanced.

Embodiment 3 FIG. Hereinafter, a third embodiment of the present invention will be described with reference to the drawings. FIG. 18 is a longitudinal sectional view of the vicinity of the substantially closed space portion 19 when the refrigerator is viewed from the side. The upper sliding door rail 23 is provided on the ceiling wall 39 of the inner plate 15, and the upper door pocket 16 is provided.
Is provided, and a storage space for the upper door pocket 16 is also substantially a closed space portion 19. As described above, since the lid 40 up to the upper surface is formed,
When the lid 40 is opened, the upper surface is opened, so that food can be easily taken in and out.

Embodiment 4 Hereinafter, a fourth embodiment of the present invention will be described with reference to the drawings. FIG. 19 is a cross-sectional view of a refrigerator according to Embodiment 4 of the present invention. Upper door pocket 1
6, a locking portion 41 is provided below the floor surface, and a partition 42 that moves left and right in the substantially enclosed space 19 is attached. As described above, it is possible to prevent the stacked foods or the foods in the bag from falling down, thereby improving the orderability.

Embodiment 5 FIG. Hereinafter, a fifth embodiment of the present invention will be described with reference to the drawings. FIG. 20 shows a substantially closed space portion 19.
It is a perspective view of the vicinity. Front and inner plate 1 of substantially enclosed space 19
5 are provided with vertically extending rails 43a and 43b,
8 is slid up or down to open and close. Lid 1
8 so that the inner plate 8 does not fall below or in front of the door pocket 17.
5 or a protrusion is provided on the side of the pocket, and a protrusion is provided on the lower side of the pocket. When the cover 18 is fitted from above, the lower surface of the cover 18 rides on the pocket and the side of the pocket rides on the protrusion. 18 does not fall. With this structure, it is possible to open the side surface and the front surface of the substantially closed space 19 forward, and it is easy to take out the stored items of the substantially closed space 19. Further, the door 1 can be closed while the lid 18 is open.

Embodiment 6 FIG. Hereinafter, a sixth embodiment of the present invention will be described with reference to the drawings. FIG. 21 is a perspective view of a main part of a refrigerator according to Embodiment 6 of the present invention. Shaft portions 44a and 44b are provided above and below the lid 18, and are supported by the upper pocket 16 and the lower door pocket 17 with the door pocket, and the lid 18 is rotated left and right to open and close. Here, the pivot is supported by the door pocket, but may be supported by the inner plate 15. With this structure, it is possible to open the front part and the side part of the substantially closed space 19, and it is easy to take out the stored items of the substantially closed space 19.

Embodiment 7 FIG. Hereinafter, an eighth embodiment of the present invention will be described with reference to the drawings. FIG. 22 is a perspective view of a main part of a refrigerator according to Embodiment 7 of the present invention. An upper or lower door pocket 1 is provided with a shaft portion 44 above or below the lid 18.
6 and 17, the lid 18 is rotated up and down so that it can be opened and closed. With this structure, the substantially enclosed space 19
Can be greatly opened, and the stored items in the substantially closed space 19 can be easily taken out.

Embodiment 8 FIG. Hereinafter, an eighth embodiment of the present invention will be described with reference to the drawings. FIG. 23 is a perspective view of a main part of a refrigerator according to Embodiment 8 of the present invention. A shaft A 45 and a shaft B 46 are provided on the side surface of the lid 18 to provide a substantially closed space portion 19.
A shaft rail 47 is provided on the upper side surface of the cover to support it, and the lid 18 is supported.
Is pushed in while rotating upwards to open and close. With this structure, the front surface of the substantially closed space 19 can be largely opened, so that the stored items in the substantially closed space 19 can be easily taken out. Further, even if the door 1 is closed with the lid 18 open, the lid 18 does not slide into the substantially closed space 19 and the lid 18 does not break. Note that the shaft rail 47 may be provided on the lower side of the side surface, and the cover 18 may be opened and closed by being pushed in while rotating downward.

Embodiment 9 FIG. Hereinafter, a ninth embodiment of the present invention will be described with reference to the drawings. FIG. 24 is an enlarged view of the vicinity of the lid 18 when the refrigerator compartment according to the ninth embodiment of the present invention is viewed from the front. The lid 18 is provided with a sliding member 48 separate from the lid 18 containing a sliding agent or made of a material having a smooth surface to sufficiently reduce friction with the lower sliding door rail 24 to improve slidability. .

As described above, if the lid 18 is made to have a soft structure such as a bellows type, a curtain type, or a shutter type, the opening and closing of the lid 18 does not hinder the opening and closing of the door 1.

In the refrigerating compartment, the number of times of opening and closing the door is larger than that in the freezing compartment, and the temperature rise when the door is opened is large. For example, in a refrigerator, if the refrigerator door is opened for one minute, the temperature in front of the refrigerator becomes 2
It rises to 3 degrees, closes the door and does not easily return to normal temperature. According to the structure of the present invention, even if the refrigerator door is opened for one minute, the temperature of the front of the refrigerator is 10 degrees to 1 degree.
It only rises to about 5 degrees and only takes about 1 minute to return to normal temperature. Therefore, the food can be stored firmly without deteriorating the food. In other words, the food placed in the door pocket, which is the door shelf, is hardly heated even if it is exposed to the outside air (warm air) of the refrigerator every time the door is opened. Food can be safely stored in the door pocket. In addition, it is easy to put in and take out the food and the like in the door pocket, and the food can be stored in an easily viewable space, so that the space in the door pocket can be used effectively. Furthermore, since the lid is provided, the food does not drop when the door is opened and closed, and the food can be placed in the door pocket space in an overlapping manner.

When the refrigerator compartment door 1 is closed, the supply of cool air into the substantially closed space 19 is performed, and the supply amount of cool air is adjusted by the damper 10. In addition, a shutter may be provided in a part of the cool air supply duct, or a shutter may be provided in the substantially closed space 19 to adjust the supply amount of cool air.

Even when cold air is not supplied when the refrigerator compartment door 1 is opened, the temperature of the substantially closed space portion 19 hardly rises, and when the refrigerator compartment door 1 is closed, cool air is supplied to the substantially closed space portion 19. Flow and temperature return to their original values.

[0063]

Since the present invention is configured as described above, it has the following effects.

In the refrigerator according to the present invention, a substantially closed space capable of holding cool air is formed in a refrigerator room and a door shelf provided on a door that opens and closes the refrigerator room. Since a plurality of or a single cold air intake to be taken in and a plurality or a single cool air discharge port for discharging the cool air in the substantially closed space are provided, and the storage items stored in the substantially closed space are cooled,
The storage quality of the refrigerator compartment door shelf is improved.

Further, since the substantially closed space portion is provided with an opening for taking in and out the stored items in the substantially closed space portion, and the opening portion is provided with an openable and closable lid, the stored items can be easily taken out.

Further, since a part or all of the members constituting the substantially closed space is formed of a material that allows the inside of the substantially closed space to be seen through, the items stored in the substantially closed space are easy to see, and the user may forget to use it. There is no.

Further, since a step forming a cool air passage is provided on the side of the door inner plate in the substantially closed space, cold air is sufficiently supplied to the substantially closed space to cool the stored items.

Further, since both or one of the side duct provided on the side of the refrigerator compartment and the ceiling duct provided on the ceiling of the refrigerator compartment for guiding the cool air to the cool air inlet is provided, the cool air is further supplied to the substantially closed space. Therefore, the temperature rise in the closed space is reduced.

Further, since the sliding door which can be opened and closed and the pair of upper and lower sliding door rails formed at the upper and lower edges of the opening are provided at the opening of the substantially closed space, the sliding door slides.

Also, the sliding door and the sliding door rail provided on the lower side are
Since they are not made of the same material, the adhesion phenomenon at the molecular level that occurs between parts due to frictional heat generated during sliding can be suppressed, and the opening and closing can be performed smoothly.

Further, since the sliding member is provided on both or one of the sliding door and the sliding door rail provided on the lower side, the friction with the sliding door rail is reduced and the slidability is improved.

Further, since one or both of the upper and lower sliding door rails of the sliding door are formed integrally with the door shelf, the degree of fixing of the sliding door rail is good and the number of parts is reduced.

Further, since one or both of the upper and lower sliding door rails of the sliding door are made detachable,
Easy to remove and wash even if dirty.

Further, since the ceiling surface and the floor surface of the substantially closed space are formed by the door shelf, material costs can be reduced as compared with the case where a substantially closed space is newly provided.

Further, since the upper door shelf forming the ceiling surface of the substantially closed space portion has the height on the back side lower than the height on the front side, cold air in the upper door shelf easily flows into the substantially closed space portion. Become.

Further, since the upper door shelf forming the ceiling surface of the substantially closed space and the lower door shelf forming the floor are integrally formed, the assemblability of the substantially closed space is good, and bending and twisting are also possible. Less and less cost.

In addition, since the storage compartments are provided in the substantially closed space, it is possible to prevent the stacked foods and the foods in the bag from falling down, thereby improving the ordering.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a main part of a refrigerator according to Embodiment 1 of the present invention.

FIG. 2 is an enlarged view of a main part of FIG.

FIG. 3 is a fragmentary cross-sectional view of the refrigerator according to Embodiment 1 of the present invention;

FIG. 4 is a fragmentary cross-sectional view of the refrigerator according to Embodiment 1 of the present invention;

FIG. 5 is a sectional view of a main part of the refrigerator according to Embodiment 1 of the present invention.

FIG. 6 is a perspective view of a main part of the refrigerator according to the first embodiment of the present invention.

FIG. 7 is a sectional view of a main part of the refrigerator according to Embodiment 1 of the present invention.

FIG. 8 is a cross-sectional view of a main part of the refrigerator according to the first embodiment of the present invention.

FIG. 9 is a cross-sectional view of a main part of the refrigerator according to the first embodiment of the present invention.

FIG. 10 is an enlarged view of a main part of the refrigerator according to the first embodiment of the present invention.

FIG. 11 is an enlarged view of a main part of the refrigerator according to the first embodiment of the present invention.

FIG. 12 is a fragmentary cross-sectional view of the refrigerator according to Embodiment 1 of the present invention;

FIG. 13 is an enlarged view of a main part of the refrigerator according to Embodiment 1 of the present invention.

FIG. 14 is an enlarged view of a main part of the refrigerator according to Embodiment 1 of the present invention.

FIG. 15 is a perspective view of a main part of the refrigerator according to the first embodiment of the present invention.

FIG. 16 is a cross-sectional view of a main part of a refrigerator according to Embodiment 2 of the present invention.

FIG. 17 is a cross-sectional view of a main part of a refrigerator according to Embodiment 2 of the present invention.

FIG. 18 is a fragmentary cross-sectional view of a refrigerator according to Embodiment 3 of the present invention.

FIG. 19 is a fragmentary cross-sectional view of a refrigerator according to Embodiment 4 of the present invention.

FIG. 20 is a perspective view of a main part of a refrigerator according to Embodiment 5 of the present invention.

FIG. 21 is a perspective view of a main part of a refrigerator according to Embodiment 6 of the present invention.

FIG. 22 is a perspective view of a main part of a refrigerator according to a seventh embodiment of the present invention.

FIG. 23 is a perspective view of a main part of a refrigerator according to an eighth embodiment of the present invention.

FIG. 24 is an enlarged view of a main part of a refrigerator according to a ninth embodiment of the present invention.

FIG. 25 is a sectional view of a main part of a conventional refrigerator.

FIG. 26 is a perspective view of a main part of a door of a conventional refrigerator.

[Explanation of symbols]

1 Refrigerator door, 2 outer box, 3 inner box, 4 insulation, 5
Heat insulation partition wall, 6 refrigerator compartment, 7 freezer compartment, 8 cold air intake passage, 9 rear cold air passage, 10 damper, 11 temperature sensor, 12 cold air outlet, 13 shelves, 14 door pocket,
15 inner plate, 16 upper door pocket, 17 lower door pocket, 18a, 18b lid, 19 substantially closed space, 20
Ventilation duct, 21 cold air inlet, 22 cold air outlet,
23 Upper sliding door rail, 24 Lower sliding door rail, 25 knob, 26 Food prevention rib, 27 step, 28 Shelf prevention rib, 29 Inclined section A, 30 Inclined section B, 31 recess, 32 claw, 33 Contact convex section, 34 Mark, 35
Upper rail groove, 36 Lower rail groove, 37 Side duct, 3
8 ceiling duct, 39 ceiling wall, 40 top lid,
41 locking part, 42 partition, 43a, 43b rail, 44 axis part, 45 axis A, 46 axis B, 47 axis rail, 48 sliding member, 49 food, 51 convex part, 52
Anti-scratch rib, 53 Cold air intake, 54 recess, 55
Cold air outlet, 56 convex, 57 stopper.

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Takenori Adachi 2-3-2 Marunouchi, Chiyoda-ku, Tokyo Inside Mitsubishi Electric Corporation (72) Inventor Yoshihiko Kojima 2-2-2, Marunouchi, Chiyoda-ku, Tokyo Inside of Mitsubishi Electric Co., Ltd. (72) Inventor Shuichi Sotooka 2-6-1, Otemachi, Chiyoda-ku, Tokyo Inside Mitsubishi Electric Engineering Co., Ltd. (72) Katsuhiko Masuda 2-6-1, Otemachi, Chiyoda-ku, Tokyo No. Mitsubishi Electric Engineering Co., Ltd.

Claims (14)

[Claims] 1. A refrigerating room and a door shelf provided on a door for opening and closing the refrigerating room, a substantially closed space portion capable of holding cool air is formed, and a plurality or a plurality of cold air is introduced into the substantially closed space portion. A refrigerator, comprising: a single cool air inlet; and a plurality or a single cool air outlet for discharging cold air in the substantially closed space, and cooling the stored items in the substantially closed space. 2. The refrigerator according to claim 1, wherein an opening for taking in and out of the storage in the substantially closed space portion and a lid that can be opened and closed are provided in the substantially closed space portion. . 3. The refrigerator according to claim 1, wherein a part or all of the members forming the substantially closed space portion are formed of a material that allows the inside of the substantially closed space portion to be seen through. . 4. The refrigerator according to claim 1, wherein a step forming a cool air passage is provided on the door inner plate side of the substantially closed space. 5. The refrigerator according to claim 1, wherein at least one of a side duct provided on a side surface of the refrigerator and a ceiling duct provided on a ceiling of the refrigerator is provided. The refrigerator described in the crab. 6. The sliding door according to claim 1, further comprising a sliding door which can be opened and closed at an opening of the substantially closed space, and a pair of upper and lower sliding door rails formed at upper and lower edges of the opening. The refrigerator described in the crab. 7. The refrigerator according to claim 1, wherein the sliding door and the sliding door rail provided on the lower side are not made of the same material. 8. The refrigerator according to claim 1, wherein a sliding member is provided on at least one of the sliding door and a sliding door rail provided on the lower side. 9. The refrigerator according to claim 1, wherein at least one of the upper sliding door rail and the lower sliding door rail of the sliding door is formed integrally with the door shelf. 10. The refrigerator according to claim 1, wherein one or both of the upper and lower sliding door rails of the sliding door are detachable. 11. The refrigerator according to claim 1, wherein a ceiling surface and a floor surface of the substantially closed space are formed by door shelves. 12. The refrigerator according to claim 11, wherein the upper door shelf forming the ceiling surface of the substantially closed space has a height on the back side lower than that on the front side. 13. The device according to claim 1, wherein an upper door shelf forming the ceiling surface of the substantially enclosed space and a lower door shelf forming the floor surface are integrally formed. refrigerator. 14. The refrigerator according to claim 1, wherein a partition for stored items is provided in the substantially enclosed space.