JP7190731B2 - refrigerator - Google Patents

Description

TECHNICAL FIELD The present invention relates to a refrigerator, and more particularly to a refrigerator in which a front opening of a drawer-type storage container is covered with a rotating door.

In general refrigerators, a drawer-type storage container is sometimes provided inside a storage compartment such as a refrigerating compartment in order to improve storage capacity.

In refrigerators having drawer-type storage containers, storage compartments are separated by partition shelves made of glass or the like. A drawer-type storage container is arranged below the partition shelf. Holding mechanisms are provided on both sides of the storage container to hold the storage container so as to be slidable in the front-rear direction. The front opening of the storage container is covered by a door pivotally attached to the compartment.

Such a container operates as follows. That is, when the user pulls out the storage container forward, the door rotates about the upper side of the storage container, and the front opening of the storage container is no longer covered by the door. Therefore, the user can put in and take out food and the like stored in the storage container through the front opening. After that, when the user pushes the storage container toward the back side to store the storage container in the storage chamber, the door rotates in the opposite direction and the front opening of the storage container is covered with the door.

A refrigerator having a storage container configured as described above is described in Patent Document 1 below, for example.

JP 2016-200319 A

However, in the refrigerator having the above-described structure, noise may be generated when the container is accommodated. Specifically, when the user quickly returns the storage container to the far side, the door rotates rapidly accordingly, and the contact between the door and the opening of the storage container generates a loud contact sound. I had a problem.

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 the generation of contact noise between the door and the opening of the storage container during the closing operation is suppressed. to provide.

A refrigerator according to the present invention includes a partition shelf that partitions a storage compartment, a drawer-type storage container that is disposed under the partition shelf in a drawable state and has a front opening that opens forward, and the drawer-type storage container. a rotating door that closes the front opening when the storage container is stored and is rotatably attached to the partition; and a damper that generates a damper for generating the and the damper is disposed in a recessed area surrounded by the ribs .

Moreover, in the refrigerator of the present invention, the recessed regions are formed at the ends of the partition shelf in the width direction.

Further, in the refrigerator of the present invention, a substantially hook-shaped rotation support is formed on the upper side of the rotation door, and the rotation shaft of the damper is inserted into the rotation support. .

A refrigerator according to the present invention includes a partition shelf that partitions a storage compartment, a drawer-type storage container that is disposed under the partition shelf in a drawable state and has a front opening that opens forward, and the drawer-type storage container. a rotating door that closes the front opening when the storage container is stored and is rotatably attached to the partition; and a damper that generates a damper for generating the and the damper is disposed in a recessed area surrounded by the ribs . Thus, according to the refrigerator of the present invention, when the drawer-type storage container is moved to the inner side to close the rotating door, the damper gives rotational resistance to the rotating door. Rotational motion slows down. Therefore, the rotating door can be closed softly, and it is possible to suppress the generation of contact noise between the rotating door and the opening of the storage container, which is generated when the rotating door is closed.

Moreover, in the refrigerator of the present invention, the recessed regions are formed at the ends of the partition shelf in the width direction. Thereby, according to the refrigerator of the present invention, the effect of hiding the damper can be further enhanced.

Further, in the refrigerator of the present invention, a substantially hook-shaped rotation support is formed on the upper side of the rotation door, and the rotation shaft of the damper is inserted into the rotation support. . Thus, according to the refrigerator of the present invention, it is possible to control the rotating motion of the rotating door with a simple configuration in which the rotating shaft of the damper is inserted into the rotating support portion of the rotating door.

It is a side sectional view showing a refrigerator concerning an embodiment of the present invention. 1 is a perspective view showing a partition shelf, a drawer-type storage container, and a rotating door that are incorporated into the refrigerator according to the embodiment of the present invention; FIG. BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which shows the refrigerator which concerns on embodiment of this invention, (A) is a perspective view which shows a partition shelf and a rotating door, (B) is a perspective view which shows the part where an oil damper is accommodated in a partition shelf. be. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a diagram showing a refrigerator according to an embodiment of the present invention, where (A) is a perspective view showing a rotating door and an oil damper, and (B) is a perspective view showing a portion where the rotating door and the oil damper are connected; is. It is a diagram showing the opening and closing state of the drawer-type storage container provided in the refrigerator according to the embodiment of the present invention, (A) is a perspective view showing the drawer-type storage container and the rotating door, (B) is a storage state. FIG. 10 is a cross-sectional view showing the drawer-type storage container and the rotating door in the storage state, (C) is a side view showing the drawer-type storage container and the rotating door in the stored state, and (D) is a drawer in the middle of being pulled out. FIG. 10 is a cross-sectional view showing the storage container and the rotating door, and (E) is a side view showing the drawer-type storage container and the rotating door in the middle of being pulled out; FIG. 3A is a cross-sectional view showing the drawer-type storage container and the rotating door in the drawn-out state, and FIG. ) is a side view showing the drawer-type storage container and the rotating door in the drawn-out state, (C) is a cross-sectional view showing the drawer-type storage container and the rotating door during storage, and (D) is a FIG. 11 is a side view showing the drawer-type storage container and the rotating door in the middle of storage;

Hereinafter, refrigerator 10 concerning an embodiment of the present invention is explained in detail based on a drawing. In the following description, the vertical direction indicates the height direction of the refrigerator 10 , the horizontal direction indicates the width direction of the refrigerator 10 , and the front-rear direction indicates the depth direction of the refrigerator 10 .

FIG. 1 is a side sectional view showing a schematic configuration of an air passage of refrigerator 10. As shown in FIG. As shown in FIG. 1, the refrigerator 10 has an insulating box body 11 as a main body, and the insulating box body 11 defines a storage chamber for storing food and the like.

The heat insulating box body 11 includes an outer box 12 made of steel plate having an opening on the front surface, and an inner box 13 made of synthetic resin and having an opening on the front surface, and is arranged with a gap in the outer box 12. , and a heat insulating material 14 made of foamed polyurethane filled in the gap between the outer box 12 and the inner box 13 .

The interior of the storage room is divided into a plurality of storage rooms according to the cold storage temperature and usage. A refrigerator compartment 15, an upper freezer compartment 16, a lower freezer compartment 17, and a vegetable compartment 18 are formed from the top.

The front surface of each storage chamber of the heat insulating box body 11 is open, and heat insulating doors 19 to 22 are provided in the openings so as to be freely opened and closed. Specifically, the heat insulating door 19 closes the front opening of the refrigerator compartment 15, the heat insulating door 20 closes the front opening of the upper freezer compartment 16, the heat insulating door 20 closes the front opening of the upper freezer compartment 16, and the heat insulating door 21 closes the front opening of the upper freezer compartment 16. The front opening of the lower freezer compartment 17 is closed, and the heat insulating door 22 closes the front opening of the vegetable compartment 18.例文帳に追加The heat-insulating door 19 is rotatably attached to the heat-insulating box 11 at its widthwise end. The heat insulating door 20, the heat insulating door 21, and the heat insulating door 22 are arranged in the heat insulating box body 11 so as to be freely pulled out in the front-rear direction. The heat insulation doors 19 to 22 have the same heat insulation structure as the heat insulation box body 11 .

The refrigerating compartment 15 and the upper freezer compartment 16 are separated by a heat insulating partition wall 32 , and the lower freezer compartment 17 and the vegetable compartment 18 are separated by a heat insulating partition wall 33 . The heat insulating partition wall 32 and the heat insulating partition wall 33 have the same heat insulating structure as the heat insulating box body 11 .

A cooling chamber 23 is formed behind the upper freezing chamber 16 and the lower freezing chamber 17 , and a cooler 24 is arranged inside the cooling chamber 23 . The cooler 24, the compressor 29, the radiator (not shown), and the decompression means (not shown) are sequentially connected by refrigerant pipes to form a vapor compression refrigeration cycle circuit as a cooling device.

Further, an air passage 26 is formed behind the refrigerating chamber 15 , and a blowout port 27 is formed by opening a part of the air passage 26 .

A blower 25 is arranged above the cooler 24 , and the cold air inside the cooling chamber 23 cooled by the cooler 24 is blown to each storage chamber by the blower 25 . Specifically, part of the cold air blown by blower 25 is supplied to refrigerator compartment 15 via air passage 26 and outlet 27 . A part of the cold air blown by the blower 25 is also supplied to the upper freezer compartment 16 and the lower freezer compartment 17 . Furthermore, part of the cool air blown in the refrigerator compartment 15 is also supplied to the vegetable compartment 18 . By doing so, refrigerator compartment 15, upper freezer compartment 16, lower freezer compartment 17 and vegetable compartment 18 are cooled to a predetermined temperature zone. Moreover, the cold air blown to the refrigerator compartment 15, the upper freezer compartment 16, the lower freezer compartment 17, and the vegetable compartment 18 is then returned to the cooling compartment 23 via a return air passage (not shown).

A defrosting heater 28 for removing frost adhering to the cooler 24 is arranged below the cooler 24 inside the cooling chamber 23 .

Inside the refrigerating compartment 15, a plurality of partition shelves 30 are arranged to divide the internal space in the vertical direction. A drawer-type storage container 31 is arranged below the partition shelf 30 arranged at the bottom. The drawer-type storage container 31 is disposed so as to be drawable in the front-rear direction. A rotating door 34 is arranged above the front portion of the drawer-type storage container 31 . The rotating door 34 is rotatably attached to the partition shelf 30, and the rotating door 34 is closed when the drawer-type storage container 31 is pushed inward. On the other hand, when the drawer-type storage container 31 is drawn forward, the rotating door 34 is open. Such a state will be described later with reference to FIG. 6 and the like.

FIG. 2 is a perspective view of the drawer-type storage container 31, the rotating door 34, and the partition shelf 30 as viewed from above the front side. Here, the storage state in which the drawer-type storage container 31 is stored in the deep side of the refrigerator compartment 15 is shown.

Referring to this figure, the drawer-type storage container 31 is a container having openings in the upper part and the upper front part. An upper opening of the drawer-type storage container 31 is covered with a partition shelf 30 , and a front upper opening of the drawer-type storage container 31 is covered with a rotating door 34 .

A rail portion 42 is formed by partially projecting the lower portion of the right side surface of the drawer-type storage container 31 toward the right. The rail portion 42 is formed substantially linearly along the front-rear direction. The rail portion 42 is slidably supported by the inner box 13 described above.

Further, a guide rib 41 is formed by projecting an intermediate portion of the right side surface of the drawer-type storage container 31 toward the right like a wall. A front portion of the guide rib 41 has a curved shape that curves downward, and a rear portion of the guide rib 41 extends in a substantially linear shape along the front-rear direction.

Although not shown here, the above-described rail portion 42 and guide rib 41 are also formed on the left side surface of the drawer-type storage container 31 .

A side projecting portion 35 is formed at the right end portion of the rotating door 34 . The side protruding portion 35 is a plate-like portion erected rearward. The side projecting portion 35 has a substantially triangular shape when viewed from the right. A cylindrical portion 36 is formed by projecting the rear end portion of the side protruding portion 35 rightward in a substantially cylindrical shape.

As will be described later, as the drawer-type storage container 31 moves forward, the guide rib 41 of the drawer-type storage container 31 pushes the cylindrical portion 36 of the rotating door 34, thereby rotating the rotating door 34 in the opening direction. move.

A configuration in which the rotating door 34 is attached to the partition shelf 30 will be described with reference to FIG. 3 . FIG. 3(A) is a perspective view showing a state in which the partition shelf 30 and the rotating door 34 are separated from each other, as seen from the lower rear side, and FIG. It is the expansion perspective view seen from the rear lower side.

With reference to FIG. 3A, the rotary door 34 has a main body portion 45, a side protruding portion 35, and rotary support portions 51 and 52. As shown in FIG. These parts consist of injection molded synthetic resin.

The body part 45 is a rectangular part elongated in the left-right direction, and has a function of closing the opening of the drawer-type storage container 31 described above.

As described above, the side protruding portion 35 has a triangular shape when viewed from the right side, and the cylindrical portion 36 is formed at the rear end portion. The side protruding portions 35 are formed at both left and right end portions of the body portion 45, respectively. The cylindrical portion 36 is a portion that contacts the guide ribs 41 of the drawer-type storage container 31 described above.

The rotation support portion 51 is a portion that protrudes rearward and upward in a hook shape from near the left end of the upper side of the main body portion 45 . An end portion of the rotary support portion 51 is rotatably attached to the attachment hole 43 of the partition shelf 30 . The mounting hole 43 is formed by circularly penetrating through a rib formed on the bottom surface of the partition shelf 30 .

The rotation support portion 52 is a portion that protrudes rearward and upward in a hook shape from near the right end portion of the upper side of the main body portion 45 . The oil damper 50 is connected to the rotation support portion 52 . A related configuration between the rotary support portion 52 and the oil damper 50 will be described later with reference to FIG.

Referring to FIG. 3B, oil damper 50 is accommodated in concave region 38 formed at the front right end of partition shelf 30 .

The recessed area 38 is formed at the front right end of the partition shelf 30 and is surrounded by the side surface 46 and ribs 47 . The side surface portion 46 is a plate-like portion erected downward from the peripheral portion of the partition shelf 30 . The rib 47 is a plate-like portion erected downward inside the partition shelf 30 .

The oil damper 50 is housed in the recessed area 38 . The oil damper 50 is a member that generates a resistance force when the rotating door 34 is closed, and its specific function will be described later. The oil damper 50 is covered with a covering member 39 from below. The covering member 39 and the oil damper 50 are fastened together to the partition shelf 30 with screws 44 . By attaching the oil damper 50 to the partition shelf 30 using the covering member 39, the mounting structure of the oil damper 50 can be strengthened, and the oil damper 50 can be shielded from below.

A related configuration between the rotary door 34 and the oil damper 50 will be described with reference to FIG. FIG. 4(A) is a perspective view showing a state in which the rotary door 34 and the oil damper 50 are separated from each other, and FIG. 4(B) is a perspective view in which the oil damper 50 and the rotary support portion 52 are separated. It is the expansion perspective view which looked at the situation from the front upper side.

With reference to FIG. 4(A), as described above, the rotating support portion 51 and the rotating support portion 52 are formed on the upper side of the rotating door 34 . By connecting the oil damper 50 to the rotation support portion 52, the closing operation of the rotation door 34 is slowed down, as will be described later. On the other hand, the rotary support portion 51 is rotatably connected to the partition shelf 30 as described above.

Referring to FIG. 4B, oil damper 50 has a rotating shaft 53 extending leftward. The rotating shaft 53 is a substantially bar-shaped steel member extending leftward. The cross-section of the rotating shaft 53 on the distal end side has a non-circular shape in which both ends in the front-rear direction of a circle are notched.

The oil damper 50 applies resistance to the rotating shaft 53 when the rotating shaft 53 rotates clockwise as viewed from the right side. Furthermore, the oil damper 50 applies resistance to the rotating shaft 53 even when the rotating shaft 53 rotates counterclockwise as viewed from the right side.

An insertion hole 40 is formed in the right side surface of the upper front side of the rotation support portion 52 . The shape of the insertion hole 40 when viewed from the right side is substantially the same as the tip portion of the rotating shaft 53 . Therefore, the left end portion of the rotation shaft 53 is inserted into the insertion hole 40 of the rotation support portion 52 without any gap.

By inserting the rotating shaft 53 into the insertion hole 40, the rotating shaft 53 of the oil damper 50 and the rotating support portion 52 of the rotating door 34 are fixed in the rotating direction. That is, when the rotary door 34 is rotated, the rotary shaft 53 of the oil damper 50 is also rotated synchronously. Therefore, when the rotary door 34 is opened, the oil damper 50 generates rotational resistance that does not impede the opening operation. Further, the oil damper 50 gives rotational resistance to the rotating door 34 when the rotating door 34 is closed, and slows down the closing operation of the rotating door 34 .

5 and 6, the operation of the drawer-type storage container 31 and the rotating door 34 will be described.

5(A), 5(B) and 5(C) show the drawer-type storage container 31 in the stored state. FIG. 5A is a perspective view showing the drawer-type storage container 31 and the rotating door 34. FIG. FIG. 5(B) is a sectional view taken along the section line AA in FIG. 5(A). FIG. 5(C) is a side view of the drawer-type storage container 31 shown in FIG. 5(A) as seen from the right side.

5(B) and 5(C), in the storage state, the drawer-type storage container 31 is arranged on the far side of the refrigerator compartment 15, and the upper opening of the drawer-type storage container 31 is It is covered with a partition shelf 30, and the front opening of the drawer-type storage container 31 is covered with a rotating door 34. - 特許庁With such a configuration, the objects stored in the drawer-type storage container 31 can be suitably refrigerated inside the drawer-type storage container 31 .

FIGS. 5(D) and 5(E) show a state in which the user is in the process of pulling out the drawer-type storage container 31 forward. FIG. 5(D) is a cross-sectional view taken along line AA of FIG. 5(A) in this situation. FIG. 5(E) is a side view of the drawer-type storage container 31 shown in FIG. 5(A) as seen from the right in this situation.

As shown in FIG. 5(E), when the drawer-type storage container 31 is pulled out, the guide ribs 41 formed on the side surface of the drawer-type storage container 31 are formed at the tips of the side protrusions 35 of the rotating door 34. The cylindrical portion 36 that has been made contact. The guide rib 41 has a curved shape in which the rear portion curves upward. Therefore, when the drawer-type storage container 31 moves forward, the guide ribs 41 of the drawer-type storage container 31 lift the cylindrical portion 36 of the rotating door 34 .

As a result, the rotating door 34 gradually rotates clockwise with its upper end as a fulcrum. With this configuration, a gap is formed between the lower end of the rotating door 34 and the drawer-type storage container 31, as shown in FIG. 5(D). When the rotary door 34 is opened, the oil damper 50 generates a resistance force, but the resistance force does not hinder the opening operation of the drawer-type storage container 31 and the rotary door 34 .

6(A) and 6(B) show a drawn state in which the user completely draws out the drawer-type storage container 31 forward. FIG. 6(A) is a cross-sectional view taken along line AA of FIG. 5(A) in this situation. FIG. 6(B) is a side view of the drawer-type storage container 31 shown in FIG. 6(A) as seen from the right in this situation.

Referring to FIG. 6B, when the drawer-type storage container 31 is pulled forward, the cylindrical portion 36 formed at the tip of the side projecting portion 35 of the rotating door 34 is pushed into the flat rear portion of the guide rib 41. riding up. As a result, the rotating door 34 further rotates clockwise, and the body portion 45 of the rotating door 34 is arranged above the partition shelf 30 . Furthermore, most of the drawer-type storage container 31 is arranged in front of the partition shelf 30 .

Further, as shown in FIG. 6A, the front opening 37 of the drawer-type storage container 31 is not covered with the partition shelf 30 and the rotating door 34 . Therefore, the user can put in and take out stored items such as food through the front opening 37 .

6(C) and 6(D) show a state in which the user is in the process of storing the drawer-type storage container 31 toward the back side. FIG. 6(C) is a cross-sectional view taken along line AA of FIG. 5(A) in this situation. FIG. 6(D) is a side view of the drawer-type storage container 31 shown in FIG. 6(A) as seen from the right in this situation.

Referring to FIG. 6D, when the user presses the front surface of drawer-type storage container 31 rearward, drawer-type storage container 31 slides rearward in refrigerator compartment 15 .

When the drawer-type storage container 31 moves rearward, the guide ribs 41 of the drawer-type storage container 31 no longer support the cylindrical portion 36 of the rotating door 34 . Therefore, the rotating door 34 rotates by its own weight in the closing direction, that is, in the counterclockwise direction.

Here, as described with reference to FIG. 4 , the oil damper 50 that rotatably supports the rotation support portion 52 of the rotation door 34, when the rotation door 34 rotates counterclockwise, Generates rotational drag. Therefore, even if the user quickly slides the drawer-type storage container 31 rearward, the rotating door 34 slowly rotates counterclockwise while receiving a drag force. Therefore, when the rotating door 34 is completely closed, even if the rotating door 34 comes into contact with the drawer-type storage container 31, the contact does not generate a large contact noise. Furthermore, the slow closing of the rotating door 34 can create a sense of luxury.

Furthermore, according to this embodiment, as described with reference to FIGS. Since the movement is not hindered, the user can quickly pull out the drawer-type storage container 31 without difficulty.

Furthermore, according to this embodiment, as described with reference to FIG. As a result, even when the user opens the heat insulating door 19 shown in FIG. 1, the oil damper 50 does not come into the user's field of vision. Therefore, inside the refrigerating compartment 15, the appearance of the periphery of the rotating door 34 can be improved.

Although the embodiments of the present invention have been described above, the present invention is not limited to the above embodiments.

10 Refrigerator 11 Insulation box 12 Outer box 13 Inner box 14 Insulation material 15 Refrigerator compartment 16 Upper freezer compartment 17 Lower freezer compartment 18 Vegetable compartment 19 Insulation door 20 Insulation door 21 Insulation door 22 Insulation door 23 Cooling compartment 24 Cooler 25 Blower 26 Blowing path 27 Blow-out port 28 Defrost heater 29 Compressor 30 Partition shelf 31 Drawer-type storage container 32 Heat-insulating partition wall 33 Heat-insulating partition wall 34 Rotating door 35 Side projection 36 Cylindrical part 37 Front opening 38 Recessed area 39 Coating member 40 insertion hole 41 guide rib 42 rail portion 43 mounting hole 44 screw 45 body portion 46 side portion 47 rib 50 oil damper 51 rotation support portion 52 rotation support portion 53 rotation shaft

Claims (3)

a partition shelf that partitions the storage room;
a drawer-type storage container arranged in a drawable state below the partition shelf and having a front opening that opens forward;
a rotating door that closes the front opening when the drawer-type storage container is stored and is rotatably attached to the partition shelf;
a damper that is connected to the rotating door and generates rotational resistance when the rotating door is closed;
The partition shelf has a wall-shaped side surface extending downward at the peripheral edge and a wall-shaped rib extending downward inside,
A refrigerator , wherein the damper is disposed in a recessed area surrounded by the side surface portion and the rib . 2. The refrigerator according to claim 1 , wherein said recessed area is formed at an end of said partition shelf in the width direction. A substantially hook-shaped rotation support is formed on the upper side of the rotation door,
3. The refrigerator according to claim 1, wherein a rotary shaft of said damper is inserted into said rotary support portion.

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