JP7247284B2 - refrigerator - Google Patents

Description

TECHNICAL FIELD The present invention relates to a refrigerator in which an upper container is placed on top of a lower container arranged in a storage compartment.

In Patent Document 1, a container for storing foods such as vegetables is provided in the vegetable compartment of a refrigerator, and a small case with a relatively shallow bottom can be placed on the open top of the container so as to be slidable in the front-rear direction. disclosed. A drawer door is provided on the front surface of the vegetable compartment, and the container is held by the drawer door.

JP-A-2008-45845

By the way, the container located in the lower part of the vegetable compartment and the small case located in the upper part require a certain amount of clearance between them in order to ensure mutual slidability and to control manufacturing of parts. However, if the clearance is large, rattling between the container and the small case increases when the drawer door is put in and taken out of the refrigerator body.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to suppress mutual rattling while ensuring slidability between the upper container and the lower container.

A refrigerator according to an embodiment of the present invention has a storage chamber provided in a refrigerator body, a lower container arranged in the storage chamber, and an upper container placed on the lower container so as to be freely movable in the front-rear direction. . An inclined surface formed by a convex portion that is lowered from the rear side to the front side is provided on the mounting surface of the side wall of the lower container on which the upper container rests on the lower container. An inclined wall formed by an inner inclined surface that widens outward from the front side to the rear side is provided at the front end portion of the lowered mounting surface, and the upper container moves forward with respect to the lower container. and in a state of being at the reference position in the front-rear direction, at a position outside the side wall of the upper container and facing the inclined wall formed by the inner inclined surface of the lower container, from the front side to the rear side. A sloped portion formed by an outer sloped surface that spreads outward is provided, and the sloped portions formed by the outer sloped surface of the upper container are provided in a pair with a space therebetween in the vertical direction.

It is a front view of a refrigerator concerning an embodiment of the present invention. FIG. 2 is a cross-sectional view of the refrigerator in FIG. 1 as seen from the right side; Fig. 2 is a perspective view of a lower vegetable box arranged in the vegetable compartment of the refrigerator of Fig. 1; It is a side view which shows the state which mounted the upper vegetable box on the lower vegetable box of FIG. It is the front view seen from the left side of the lower vegetable box of FIG. 4, and an upper vegetable box. 5 is a plan view of the lower vegetable box and the upper vegetable box of FIG. 4; FIG. FIG. 7 is a cross-sectional view taken along the line AA of FIG. 6; FIG. 8 is an enlarged view of a portion B of FIG. 7; 4 is a view in the direction of arrow C in FIG. 3; FIG. FIG. 10 is a plan view of FIG. 9; FIG. 7 is a cross-sectional view in a plan view showing the periphery of a pinched protrusion of the upper vegetable box of FIG. 6 ; Fig. 11 is a plan view showing a state in which the upper vegetable box of Fig. 11 is superimposed on the lower vegetable box of Fig. 10; FIG. 13 is a plan view corresponding to FIG. 12, showing another embodiment; FIG. 13 is a plan view corresponding to FIG. 12, showing another embodiment; FIG. 13 is a plan view corresponding to FIG. 12, showing another embodiment;

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described based on the drawings.

As shown in FIGS. 1 and 2, the refrigerator 1 according to the embodiment of the present invention has a refrigerator main body 3 and a refrigerator main body 3 with a refrigerator compartment 5 and a vegetable compartment 7 arranged in order from the top to the bottom as storage compartments. An ice-making compartment 9 and an upper freezer compartment 11 are provided side by side in the lower part of 7 . Furthermore, a lower freezer compartment 13 is provided below the ice making compartment 9 and the upper freezer compartment 11 as a storage compartment. Each storage compartment is separated by a partition. In the following description, the "front-rear direction" refers to the front-rear direction, with the front side of the refrigerator on the left side in FIG. is the left-right direction when viewed from the front side of the refrigerator.

Left and right doors 15 and 17 for opening and closing the front opening of the refrigerator compartment 5 are provided on the front surface of the refrigerator compartment 5 . The left opening/closing door 15 opens and closes horizontally via a hinge (not shown) at the left end in FIG. 1, and the right opening/closing door 17 opens/closes horizontally via a hinge (not shown) at the right end in FIG. do.

Drawer-type drawer doors 19, 21, 23 and 25 for opening and closing the respective front openings are provided on the front surfaces of the vegetable compartment 7, the ice making compartment 9, the upper freezer compartment 11 and the lower freezer compartment 13, respectively. Each of the drawer doors 19, 21, 23 and 25 is guided by each guide rail (not shown) of the refrigerator main body 3 and slides back and forth.

A machine room 27 is formed in the rear lower part of the lower freezer compartment 13 of the refrigerator main body 3, and a compressor 29 is accommodated in the machine room 27. - 特許庁A fan duct 31 is formed on the rear side of the vegetable compartment 7 on the rear side of the refrigerator body 3, and a cold air circulation fan 33 for refrigerating is placed above the fan duct 31, and a refrigerator/vegetable compartment cooler 35 is placed below the fan duct 31. ing. Furthermore, a fan duct 37 is formed behind the ice making compartment 9, the upper freezer compartment 11 and the lower freezer compartment 13 behind the refrigerator body 3, and a freezing cold air circulation fan 39 is provided above the fan duct 37, and a freezing fan 39 is provided below the fan duct 37. Room coolers 41 are arranged respectively.

The refrigerator/vegetable compartment cooler 35 and the freezer compartment cooler 41 are cooled by the refrigerant supplied from the compressor 29 . The refrigerating compartment 5 and the vegetable compartment 7 are cooled and maintained at predetermined set temperatures by the operation of the refrigerating cold air circulation fan 33 and the refrigerating compartment/vegetable compartment cooler 35 . The ice making compartment 9, the upper freezer compartment 11 and the lower freezer compartment 13 are cooled and maintained at predetermined set temperatures by the operation of the cold air circulation fan 39 for freezing and the cooler 41 for the freezer compartment. A storage compartment damper 39A is provided in the cold air flow path near the freezing cold air circulation fan 39, and a controller (not shown) adjusts the angle of the storage compartment damper 39A.

A drawer door 19 of the vegetable compartment 7 holds a lower vegetable box 43 as a lower container for storing stored items such as vegetables. An upper vegetable box 45 as an upper container is placed on the lower vegetable box 43 . The upper vegetable box 45 has a smaller volume than the lower vegetable box 43 .

The drawer door 19 has a pair of left and right container holding arms (not shown) extending in the front-back direction on the upper part of the rear surface on the vegetable compartment 7 side. On the other hand, on both left and right sides of the upper end of the lower vegetable box 43 shown in FIGS. 3 to 7, held protrusions 43a projecting in both left and right directions are provided over substantially the entire length of the lower vegetable box 43 in the front-rear direction. . The lower vegetable box 43 is held by the drawer door 19 by placing the held protrusion 43 a on the container holding arm of the drawer door 19 . In this state, the lower vegetable box 43 can be removed by lifting it upward from the drawer door 19 (container holding arm).

The lower vegetable box 43 has a lower bottom wall 47, a lower front wall 49, a lower rear wall 51 and left and right lower side walls 53, 55, as shown in FIGS. The lower vegetable box 43 is surrounded by these walls 47, 49, 51, 53, and 55 and has a lower storage space 57 formed therein. ing. The held protrusions 43 a are formed on the upper portions of the left and right lower side walls 53 and 55 .

The upper vegetable box 45 has an upper bottom wall 61 , an upper front wall 63 , an upper rear wall 65 and left and right upper side walls 67 and 69 . The upper vegetable box 45 is surrounded by these walls 61, 63, 65, 67, 69 and has an upper storage space 71 formed therein. there is The lower vegetable box 43 and the upper vegetable box 45 shown in FIG. 2 are shown in a simplified manner, and have different shapes from the lower vegetable box 43 and the upper vegetable box 45 shown in FIGS.

As shown in FIGS. 3 and 4 , the upper portions of the left and right lower side walls 53 and 55 of the lower vegetable box 43 are provided with receiving portions 75 on which the upper vegetable box 45 is placed. The lower side walls 53 and 55 are provided with a side wall front portion 76 protruding upward with respect to the receiving portion 75 on the front side of the receiving portion 75 . The side wall front portion 76 is higher in the vertical direction than the lower side walls 53 and 55 where the receiving portion 75 is provided. The held protrusion 43a is formed in the laterally outer lower portion of the receiving portion 75, and the held protrusion 43a is also formed in the side wall front portion 76. As shown in FIG.

As shown in FIG. 7 and FIG. 8, which is an enlarged view of the portion B of FIG. 7, the upper vegetable box 45 has received portions 77 protruding outward near the upper bottom wall 61 of the left and right upper side walls 67, 69. forming. The receiving part 77 is located above the upper bottom wall 61 and near the upper bottom wall 61, and as shown in FIG. It is provided. Note that the receiving portions 77 are not limited to two locations, and may be intermittently provided at three or more locations in the front-rear direction.

Each receiving portion 77 of the upper vegetable box 45 is placed on the receiving portion 75 in a state of protruding from the outer surfaces of the left and right side walls 53 and 55 toward the left and right outer sides. As shown in FIG. 4, the receiving portion 77 near the front end portion has a recess 77k on the bottom surface, and the receiving portion 75 has a projection 75k on the top surface corresponding to the recess 77k. By inserting the convex portion 75k into the concave portion 77k, as shown in FIG. 4, the reference position of the upper vegetable box 45 with respect to the lower vegetable box 43 in the front-rear direction is secured.

When the upper vegetable box 45 is placed on the lower vegetable box 43, as shown in FIG. Enter the storage space 57 . At this time, the width of the lower portion of the upper vegetable box 45 in the lower storage space 57 in the left-right direction (the width between the outer surfaces of the left and right upper side walls 67 and 69) is equal to the upper opening 59 of the lower storage space 57. smaller than the lateral opening width of the

As a result, as shown in FIG. 8, a gap is created between the lower side walls 53, 55 near the upper opening 59 of the lower vegetable box 43 and the upper side walls 67, 69 near the upper bottom wall 61 of the upper vegetable box 45. S is formed. By setting the gap S to a certain size, it is possible to ensure slidability when the upper vegetable box 45 is moved back and forth with respect to the lower vegetable box 43 . In addition, since the lower vegetable box 43 and the upper vegetable box 45 are relatively large in size as individual parts, they are likely to warp after molding or deform when food is put therein, and it is difficult to narrow the gap between them. Therefore, by forming the gap S of a certain size, it becomes easier to manage the manufacturing of individual parts.

As shown in FIG. 9, which is a view from arrow C in FIG. 3, and FIG. 10, which is a plan view of FIG. It's becoming A pinching rib 79 as a pinching portion is provided on the receiving portion 75 on the rear side of the vertical wall 76a. The sandwiching rib 79 has a rectangular shape when viewed from the side as shown in FIG. 9, and has a substantially right triangle shape when viewed from above as shown in FIG. As shown in FIG. 9, the holding rib 79 has an upper end surface that is substantially flush with the upper end surface of the vertical wall 76a, and the longitudinal length of the holding rib 79 is that of the receiving portion 75 on the front side (vertical wall 76a side) of the projection 75k. Slightly shorter than the longitudinal length. That is, the sandwiching rib 79 is positioned on the receiving portion 75 on the front side of the convex portion 75k.

As shown in FIG. 10, the holding rib 79 has an outer side surface 79a, a front end surface 79b, a rear end surface 79c, an inner inclined surface 79d, and an upper surface 79e. The outer surface 79a is substantially flush with the outer surface of the receiving portion 75, and the front end surface 79b is substantially flush with the vertical wall 76a. The front end surface 79b and the rear end surface 79c are parallel to each other. The length of the rear end surface 79c in the left-right direction is shorter than the length of the front end surface 79b in the left-right direction.

The inner inclined surface 79d is a flat surface that is inclined so as to connect the inner end portion 79b1 of the front end surface 79b and the inner end portion 79c1 of the rear end surface 79c. In this case, the inner inclined surface 79d has a front end portion 79d1 corresponding to the inner end portion 79c1 that is positioned further outside the lower vegetable box 43 in the left-right direction (in FIG. 10) than a rear end portion 79d2 corresponding to the inner end portion 79b1. above). Due to the inclination of the inner inclined surface 79d, the sandwiching rib 79 has an inner side surface (inner inclined surface 79d) that gradually expands outward from the front side toward the rear side.

The upper vegetable box 45 has a pinched projection 81 as a pinched portion at the front end of the front portion 77 shown in FIG. 11 . When the upper vegetable box 45 is at the reference position in the front-rear direction with respect to the lower vegetable box 43, the pinched protrusion 81 enters inside the pinching rib 79 shown in FIG. The pinched protrusion 81 has an outer inclined surface 81 a that contacts the inner inclined surface 79 d of the pinching rib 79 . The outer slanted surface 81a has a flat surface that contacts the inner slanted surface 79d.

A rear end 81a1 of the outer inclined surface 81a is located laterally outside (upper in FIG. 11) of the upper vegetable box 45 than a front end 81a2. The upper vegetable box 45 has a rear end face 81b extending laterally outward from a rear end 81a1 of the outer inclined surface 81a, and a front end face extending laterally inward from a front end 81a2 of the outer inclined surface 81a. 81c. The rear end face 81b and the front end face 81c are parallel to each other.

The distance t in the front-rear direction between the rear end face 81b and the front end face 81c of the clamped protrusion 81 shown in FIG. is shorter than the interval T.

FIG. 12 shows a state in which the upper vegetable box 45 indicated by a two-dot chain line is placed on the lower vegetable box 43 at the reference position. At this time, the inner inclined surface 79d of the lower vegetable box 43 presses against the outer inclined surface 81a of the upper vegetable box 45 and contacts them. 12, a gap is formed between the rear end face 81b of the upper vegetable box 45 and the rear end face 79c of the lower vegetable box 43, and the front end face 81c of the upper vegetable box 45 and the vertical wall 76a (front end) of the lower vegetable box 43 are separated. A gap is formed between the surface 79b).

Next, the effects of the above-described embodiment will be described.

This embodiment includes a vegetable compartment 7 provided in a refrigerator body 3, a lower vegetable box 43 arranged in the vegetable compartment 7, an upper vegetable box 45 mounted on the lower vegetable box 43 so as to be freely movable in the front-rear direction, have The lower vegetable box 43 has pinching ribs 79 that pinch the upper vegetable box 45 from both left and right sides when the upper vegetable box 45 is at a reference position in the front-rear direction with respect to the lower vegetable box 43 .

In this case, when the upper vegetable box 45 is at the reference position in the front-rear direction with respect to the lower vegetable box 43, the pinching ribs 79 on both the left and right sides press the pinched projecting portion 81 inward, so that the lower vegetable box 45 is positioned at the reference position. The box 43 is sandwiched from both left and right sides. As a result, the upper vegetable box 45 is prevented from rattling in the reference position, especially in the horizontal direction. Therefore, when the drawer door 19 is put in and taken out of the refrigerator main body 3 with the upper vegetable box 45 at the reference position, the upper vegetable box 45 can be prevented from rattling particularly in the horizontal direction.

In this embodiment, the inner inclined surface 79d of the holding rib 79 widens outward in the left-right direction from the front side to the rear side. In this case, when the upper vegetable box 45 is moved forward from the reference position to the reference position, the inner inclined surface 79d of the holding rib 79 guides the projection 81 to be held. The reference position can be smoothly set. At this time, the pinched protrusion 81 is guided by the inner inclined surface 79d of the outer inclined surface 81a having the same shape as the inner inclined surface 79d of the pinching rib 79, so that the upper vegetable box 45 can be more smoothly positioned at the reference position. be able to.

As shown in FIG. 12, a gap is formed between the rear end face 81b of the upper vegetable box 45 and the rear end face 79c of the lower vegetable box 43, and the front end face 81c of the upper vegetable box 45 and the vertical wall of the lower vegetable box 43 are separated. A gap is formed between it and 76a (front end surface 79b). As a result, when the upper vegetable box 45 is moved from the rear side of the reference position to the front side to the reference position, the contact of the rear end face 81b with the rear end face 79c is suppressed, and the front end face 81c is prevented from coming into contact with the rear end face 79c. contact with the vertical wall 76a. As a result, the inner inclined surface 79d of the clamping rib 79 can be pressed against the outer inclined surface 81a of the clamped protrusion 81 more reliably.

In this embodiment, the sandwiching ribs 79 are formed integrally with the upper portions of the lower side walls 53 and 55 of the lower vegetable box 43 . With a simple structure in which the sandwiching rib 79 integrated with the lower vegetable box 43 is provided, rattling of the upper vegetable box 45 at the reference position can be suppressed.

The upper vegetable box 45 of the present embodiment is placed on the lower vegetable box 43, and the lower part enters from the upper opening 59 of the lower vegetable box 43, and the upper part of the part that enters the inside of the lower vegetable box 43. The lateral width of the lower portion of the vegetable box 45 is smaller than the lateral width of the upper opening 59 of the lower vegetable box 43 .

In this case, as shown in FIG. 8, a gap S is formed between the lower side walls 53, 55 near the upper opening 59 of the lower vegetable box 43 and the upper side walls 67, 69 near the upper bottom wall 61 of the upper vegetable box 45. is formed. For this reason, when the upper vegetable box 45 is moved from the rear side of the reference position to the front side to reach the reference position, the left and right holding ribs 79 press the pinched projections 81 more reliably from both sides. be able to.

Next, another embodiment will be described.

In FIG. 13, the sandwiched protrusion 81A of the upper vegetable box 45A does not have the outer inclined surface 81a as shown in FIG. outer surface 81Aa is provided. The shape of other portions of the upper vegetable box 45A is substantially the same as that of FIG. 11, and the same reference numerals are given to the same components. The lower vegetable box 43 is similar to that of FIG. 10 including the pinching ribs 79 .

By making the outer side surface 81Aa of the pinched projection 81A substantially parallel to the outer side surface 79a of the pinching rib 79, the outer corner 81Ab of the front edge of the pinched projection 81A is positioned at the reference position of the upper vegetable box 45A. It contacts the inner inclined surface 79 d of the pinching rib 79 . As a result, the inner inclined surface 79d of the gripping rib 79 presses and grips the outer corner 81Ab of the upper vegetable box 45A from both the left and right sides, thereby suppressing the upper vegetable box 45 from rattling, particularly in the left and right directions.

In FIG. 14, contrary to FIG. 13, the pinching rib 79B of the lower vegetable box 43B does not have the inner inclined surface 79d as shown in FIG. Parallel inner side surfaces 79Ba are provided. The shape of other parts of the lower vegetable box 43B is substantially the same as that of FIG. 10, and the same reference numerals are given to the same components. The upper vegetable box 45 is the same as that of FIG. 11, including the pinched protrusion 81 .

By making the inner side surface 79Ba of the sandwiching rib 79B substantially parallel to the outer side surface 79a, the outer inclined surface 81a of the upper vegetable box 45 is positioned at the inner corner of the rear edge of the sandwiching rib 79B at the reference position of the upper vegetable box 45. Contact 79Bb. The inner corner portion 79Bb corresponds to the intersection of the rear end surface 79c and the inner side surface 79Ba. As a result, the inner corners 79Bb of the sandwiching ribs 79B press and sandwich the outer inclined surface 81a of the upper vegetable box 45 from both the left and right sides, thereby suppressing the upper vegetable box 45 from rattling particularly in the left and right directions.

In FIG. 15, the inner inclined surface 79Cd of the sandwiching rib 79C of the lower vegetable box 43C is curved such that the inner side in the left-right direction is concave. A curved surface of the inner inclined surface 79Cd is curved along the front-rear direction. Other shapes of the lower vegetable box 43C are the same as those of FIG. 10, and the same reference numerals are given to the same components.

The outer inclined surface 81Ca of the pinched protrusion 81C in the upper vegetable box 45C is curved so that the outside in the left-right direction is convex in accordance with the curved shape of the inner inclined surface 79Cd of the pinching rib 79C. The curved surface of the outer inclined surface 81Ca is curved along the front-rear direction. Other shapes of the upper vegetable box 45C are the same as those of FIG. 11, and the same reference numerals are given to the same components.

In the example of FIG. 15, the curved inner sloped surface 79Cd of the sandwiching rib 79C presses and sandwiches the curved outer sloped surface 81Ca of the upper vegetable box 45C from both the left and right sides. It is possible to suppress rattling.

Although the embodiments of the present invention have been described above, these embodiments are merely examples described to facilitate understanding of the present invention, and the present invention is not limited to the embodiments. The technical scope of the present invention is not limited to the specific technical matters disclosed in the above embodiments, but also includes various modifications, changes, alternative techniques, etc. that can be easily derived therefrom.

For example, in the example of FIG. 15, the inner inclined surface 79Cd of the sandwiching rib 79C is curved such that the inner side in the horizontal direction is convex, and the outer inclined surface 81Ca of the upper vegetable box 45C is curved such that the outer side in the horizontal direction is concave. It may be a curved surface. 13 may be curved like the inner inclined surface 79Cd of FIG. 15, and the outer inclined surface 81a of FIG. 14 may be curved like the outer inclined surface 81Ca of FIG. It may be a curved surface.

In short, at the reference position of the upper vegetable box 45, the pair of left and right pinching ribs 79 hold the pinched projecting portion 81 of the upper vegetable box 45 from both the left and right sides and press it inward in the left-right direction. Just do it.

In each of the above embodiments, the lower vegetable boxes 43, 43B, 43C and the upper vegetable boxes 45, 45A, 45C of the vegetable compartment 7 have been described, but the lower container and the upper container are arranged in other storage compartments such as freezer compartments and refrigerator compartments. The present invention can also be applied to those in which

1 refrigerator 3 refrigerator body 7 vegetable compartment (storage compartment)
43, 43B, 43C lower vegetable box (lower container)
45, 45A, 45C upper vegetable box (upper container)
53, 55 Lower side wall of lower vegetable box (side wall of lower container)
59 Upper opening of lower vegetable box 79, 79B, 79C Sandwiching rib (sandwiching part)
81, 81A, 81C Clamped projection (clamped portion)

Claims (1)

a storage room provided in the refrigerator body;
a lower container disposed in the storage chamber;
an upper container placed on the lower container so as to be movable in the front-rear direction;
An inclined surface formed by a convex portion that is lowered from the rear side to the front side is provided on the mounting surface of the side wall of the lower container on which the upper container rests on the lower container,
An inclined wall formed by an inner inclined surface that widens outward from the front side to the rear side is provided at the front end portion of the mounting surface whose height is lowered on the front side of the inclined surface ,
the inclined wall outside the side wall of the upper container and formed by the inner inclined surface of the lower container when the upper container moves forward relative to the lower container and is at a reference position in the front-rear direction; An inclined portion formed by an outer inclined surface that widens outward from the front side to the rear side is provided at a position facing each other,
The refrigerator is characterized in that the inclined portions formed by the outer inclined surface of the upper container are provided as a pair with an interval in the vertical direction.

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