JP2021183903A - refrigerator - Google Patents

Abstract

To restrain a rattle between an upper container and a lower container while securing sliding performance between them.SOLUTION: A refrigerator comprises a vegetable chamber 7 provided in a refrigerator body 3, a lower vegetable box 43 arranged in the vegetable chamber 7, and an upper vegetable box 45 placed on the lower vegetable box 43 so as to be movable in a front-back direction. The lower vegetable box 43 comprises holding ribs 79 for holding the upper vegetable box 45 from both left and right sides when the upper vegetable box 45 is located at a reference position in the front-back direction with respect to the lower vegetable box 43.SELECTED DRAWING: Figure 12

Description

The present invention relates to a refrigerator in which an upper container is placed on a lower container arranged in a storage chamber.

In Patent Document 1, a container for storing foods such as vegetables is provided in the vegetable compartment of the refrigerator, and a small case having a relatively shallow bottom can be placed slidably in the front-rear direction on the upper part of the opening of the container. It has been disclosed. A drawer door is provided on the front of the vegetable compartment, and the container is held by the drawer door.

Japanese Unexamined Patent Publication No. 2008-45845

By the way, the container located at the lower part of the vegetable compartment and the small case located at the upper part require a certain degree of clearance between each other in order to secure the slidability of each other and to control the production of parts. However, if the clearance is large, there will be a large amount of rattling between the container and the small case when the drawer door is taken in and out of the refrigerator body.

Therefore, an object of the present invention is to suppress rattling between the upper container and the lower container while ensuring the slidability between the upper container and the lower container.

The refrigerator according to the embodiment of the present invention has a storage chamber provided in the refrigerator main body, a lower container arranged in the storage chamber, and an upper container movably placed on the lower container in the front-rear direction. .. A step formed in the upper part of the lower container, a first region formed of a low surface in the step, and a second region formed of a high surface in the step are provided. The lower container is provided with a first inclined surface for guiding the upper container to a predetermined position with respect to the lower container. The upper container includes a second inclined surface that comes into contact with the first inclined surface.

It is a front view of the refrigerator which concerns on embodiment of this invention. It is sectional drawing seen from the right side of the refrigerator of FIG. It is a perspective view of the lower vegetable box arranged in the vegetable compartment of the refrigerator of FIG. It is a side view which shows the state which put the upper vegetable box on the lower vegetable box of FIG. It is a front view seen from the left side of the lower vegetable box and the upper vegetable box of FIG. It is a top view of the lower vegetable box and the upper vegetable box of FIG. FIG. 6 is a cross-sectional view taken along the line AA of FIG. It is an enlarged view of the B part of FIG. It is the C arrow view of FIG. FIG. 9 is a plan view of FIG. It is sectional drawing in the plan view which shows the periphery of the pinched protrusion of the upper vegetable box of FIG. It is a top view which shows the state which superposed the upper vegetable box of FIG. 11 on the lower vegetable box of FIG. FIG. 12 is a plan view corresponding to FIG. 12, showing another embodiment. FIG. 12 is a plan view corresponding to FIG. 12, showing another embodiment. FIG. 12 is a plan view corresponding to FIG. 12, showing another embodiment.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

As shown in FIGS. 1 and 2, in the refrigerator 1 according to the embodiment of the present invention, a refrigerating room 5 and a vegetable room 7 are sequentially provided as storage rooms from the upper stage to the lower stage inside the refrigerator main body 3, and a vegetable room is provided. An ice making chamber 9 and an upper freezing chamber 11 are provided side by side in the lower part of the 7. Further, as a storage chamber, a lower freezing chamber 13 is provided below the ice making chamber 9 and the upper freezing chamber 11. Each storage room is separated by a partition. In the following description, the "front-back direction" is the front-back direction with the front side of the refrigerator on the left side as the front and the back side (back) side of the refrigerator on the right side as the back side in FIG. 2, and the "left-right direction" is in FIG. It is in the left-right direction when viewed from the front side of the refrigerator.

On the front surface of the refrigerating chamber 5, left and right opening / closing doors 15 and 17 for opening and closing the front opening of the refrigerating chamber 5 are provided. The left opening / closing door 15 opens / closes to the left and right via a hinge (not shown) at the left end in FIG. 1, and the right opening / closing door 17 opens and closes to the left and right 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 front openings of the vegetable compartment 7, the ice making chamber 9, the upper freezing chamber 11 and the lower freezing chamber 13 are provided on the front surfaces thereof. The drawer doors 19, 21, 23 and 25 are all guided by guide rails (not shown) of the refrigerator body 3 and slide back and forth.

A machine room 27 is formed in the lower rear part of the lower freezing room 13 of the refrigerator body 3, and the compressor 29 is housed in the machine room 27. An air duct 31 is formed on the rear side of the vegetable compartment 7 behind the refrigerator main body 3, a refrigerating cold air circulation fan 33 is arranged above the air duct 31, and a refrigerating chamber / vegetable compartment cooler 35 is arranged below. ing. Further, an air duct 37 is formed on the rear side of the ice making chamber 9, the upper freezing chamber 11 and the lower freezing chamber 13 behind the refrigerator main body 3, and the freezing cold air circulation fan 39 is frozen in the upper part of the air duct 37 and in the lower part. The room coolers 41 are arranged respectively.

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

The drawer door 19 of the vegetable compartment 7 holds a lower vegetable box 43 as a lower container for storing a storage 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 is provided with a pair of left and right container holding arms extending in the front-rear direction on the upper part of the rear surface on the vegetable compartment 7 side. On the other hand, on the left and right sides of the upper end of the lower vegetable box 43 shown in FIGS. .. By placing the held protrusion 43a on the container holding arm of the drawer door 19, the lower vegetable box 43 is held by 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).

As shown in FIGS. 3 to 7, the lower vegetable box 43 includes a lower bottom wall 47, a lower front wall 49, a lower rear wall 51, and left and right lower side walls 53 and 55. In the lower vegetable box 43, a lower storage space 57 is formed inside surrounded by these walls 47, 49, 51, 53, 55, and in the lower storage space 57, an upper opening 59 is formed and an upper opening is made. ing. The held protrusion 43a described above is formed on the upper part of the left and right lower side walls 53 and 55.

The upper vegetable box 45 includes 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 has an upper storage space 71 formed inside surrounded by these walls 61, 63, 65, 67, 69, and the upper storage space 71 has an upper opening 73 formed and an upper opening is formed. 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. 3 to 7.

As shown in FIGS. 3 and 4, a receiving portion 75 on which the upper vegetable box 45 is placed is provided above the left and right lower side walls 53 and 55 of the lower vegetable box 43. The lower side walls 53 and 55 include a side wall front portion 76 whose front side with respect to the receiving portion 75 projects upward with respect to the receiving portion 75. The height of the side wall front portion 76 is higher in the vertical direction than the lower side walls 53 and 55 of the portion provided with the receiving portion 75, and the upper end of the side wall front portion 76 is flush with the upper end of the lower front wall 49. The above-mentioned held protrusion 43a is formed on the outer lower portion in the left-right direction of the receiving portion 75, and the held protrusion 43a is also formed on the side wall front portion 76.

As shown in FIG. 8 which is an enlarged view of the portion B of FIGS. 7 and 7, the upper vegetable box 45 has a receiving portion 77 projecting outward in the vicinity of the upper bottom wall 61 of the left and right upper side walls 67 and 69. Is forming. The receiving portion 77 is located above the upper bottom wall 61 and in the vicinity of the upper bottom wall 61, and as shown in FIG. 4, the received portion 77 is located at two locations, the vicinity of the front end portion and the vicinity of the rear end portion of the upper vegetable box 45. It is provided. The receiving portion 77 is not limited to two locations, and may be intermittently provided at three or more locations in the front-rear direction.

Each of the received portions 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 outside. As shown in FIG. 4, the receiving portion 77 near the front end portion has a concave portion 77k on the lower surface, and the receiving portion 75 has a convex portion 75k on the upper surface corresponding to the concave portion 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 is secured in the front-rear direction.

When the upper vegetable box 45 is placed on the lower vegetable box 43, as shown in FIG. 7, the lower portion including the upper bottom wall 61 of the upper vegetable box 45 is the lower part inside from the upper opening 59 of the lower vegetable box 43. Enter the storage space 57. At this time, the width in the left-right direction of the lower part of the upper vegetable box 45 (the width between the outer surfaces of the left and right upper side walls 67 and 69) of the portion that has entered the lower storage space 57 is the upper opening 59 of the lower storage space 57. It is smaller than the opening width in the left-right direction.

As a result, as shown in FIG. 8, there is a gap between the lower side wall 53, 55 near the upper opening 59 of the lower vegetable box 43 and the upper side wall 67, 69 near the upper bottom wall 61 of the upper vegetable box 45. S is formed. By making the gap S a certain size, it is possible to secure slidability when the upper vegetable box 45 is moved in the front-rear direction with respect to the lower vegetable box 43. Further, since the lower vegetable box 43 and the upper vegetable box 45 are relatively large in size, they are easily deformed after molding or when food is put in, and it is difficult to narrow the gap between them. Therefore, by forming the gap S having a certain size, it becomes easy to control the production of individual parts.

As shown in FIG. 9 which is a C arrow view of FIG. 3 and FIG. 10 which is a plan view of FIG. 9, the rear end of the side wall front portion 76 of the lower side walls 53 and 55 is a vertical wall 76a extending in the vertical direction. It has become. A holding rib 79 as a holding 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 in a side view as shown in FIG. 9, and a substantially right-angled triangular shape in a plan view as shown in FIG. As shown in FIG. 9, the upper end surface of the sandwiching rib 79 is substantially the same as the upper end surface of the vertical wall 76a, and the length in the front-rear direction is that of the receiving portion 75 on the front side (vertical wall 76a side) of the convex portion 75k. Slightly shorter than the length in the front-back direction. That is, the holding rib 79 is located on the receiving portion 75 on the front side of the convex portion 75k.

As shown in FIG. 10, the sandwiching rib 79 includes an outer surface 79a, a front end surface 79b, a rear end surface 79c, an inner inclined surface 79d, and an upper surface 79e. The outer side surface 79a is substantially the same surface as the outer surface of the receiving portion 75, and the front end surface 79b is substantially the same surface as 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 plane 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 the front end portion 79d1 corresponding to the inner end portion 79c1 outside the rear end portion 79d2 corresponding to the inner end portion 79b1 in the left-right direction of the lower vegetable box 43 (in FIG. 10). Located on the upper side). The inner side surface (inner inclined surface 79d) of the sandwiching rib 79 gradually expands outward from the front side to the rear side due to the inclination of the inner inclined surface 79d.

The upper vegetable box 45 is provided with a pinched protrusion 81 as a pinched portion at the front end of the front received portion 77 shown in FIG. 11. The pinched protrusion 81 enters the inside of the pinching rib 79 shown in FIG. 10 when the upper vegetable box 45 is in the reference position in the front-rear direction with respect to the lower vegetable box 43. The sandwiched protrusion 81 includes an outer inclined surface 81a that contacts the inner inclined surface 79d of the sandwiching rib 79. The outer inclined surface 81a has a flat surface in contact with the inner inclined surface 79d.

In the outer inclined surface 81a, the rear end portion 81a1 is located outside the upper vegetable box 45 in the left-right direction (upper side in FIG. 11) with respect to the front end portion 81a2. The upper vegetable box 45 includes a rear end surface 81b extending outward in the left-right direction from the rear end 81a1 of the outer inclined surface 81a, and a front end surface extending inward in the left-right direction from the front end 81a2 of the outer inclined surface 81a. It is equipped with 81c. The rear end surface 81b and the front end surface 81c are parallel to each other.

The distance t in the front-rear direction between the rear end surface 81b and the front end surface 81c of the pinched protrusion 81 shown in FIG. 11 is the front-rear direction between the front end surface 79b and the rear end surface 79c of the pinching rib 79 shown in FIG. Is shorter than the interval T.

FIG. 12 shows a state in which the upper vegetable box 45 shown by the alternate long and short dash 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 is pressed against the outer inclined surface 81a of the upper vegetable box 45 so as to come into contact with the outer inclined surface 81a. In FIG. 12, a gap is formed between the rear end surface 81b of the upper vegetable box 45 and the rear end surface 79c of the lower vegetable box 43, and the front end surface 81c of the upper vegetable box 45 and the vertical wall 76a (front end) of the lower vegetable box 43. A gap is formed between the surface 79b) and the surface 79b).

Next, the action and effect of the above-described embodiment will be described.

In this embodiment, a vegetable chamber 7 provided in the refrigerator main body 3, a lower vegetable box 43 arranged in the vegetable compartment 7, and an upper vegetable box 45 movably placed on the lower vegetable box 43 in the front-rear direction. Have. The lower vegetable box 43 includes a holding rib 79 that holds the upper vegetable box 45 from both the left and right sides when the upper vegetable box 45 is in 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 in the reference position in the front-rear direction with respect to the lower vegetable box 43, the holding ribs 79 on both the left and right sides press the sandwiched protrusion 81 inward so that the lower vegetable box 45 is pressed. Hold the box 43 from both the left and right sides. As a result, the upper vegetable box 45 is prevented from rattling in the reference position, especially in the left-right direction. Therefore, when the drawer door 19 is taken in and out of the refrigerator main body 3 with the upper vegetable box 45 in the reference position, rattling of the upper vegetable box 45 in the left-right direction can be suppressed.

In the present embodiment, the inner inclined surface 79d of the holding rib 79 extends 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 from the state located on the rear side of the reference position to the front side to be the reference position, the inner inclined surface 79d of the pinching rib 79 guides the pinched protrusion 81. The reference position can be smoothly set. At this time, in the pinched protrusion 81, the outer inclined surface 81a having the same shape as the inner inclined surface 79d of the pinching rib 79 is guided by the inner inclined surface 79d, so that the upper vegetable box 45 is set to the reference position more smoothly. be able to.

As shown in FIG. 12, a gap is formed between the rear end surface 81b of the upper vegetable box 45 and the rear end surface 79c of the lower vegetable box 43, and the front end surface 81c of the upper vegetable box 45 and the vertical wall of the lower vegetable box 43. A gap is formed between the product and 76a (front end surface 79b). As a result, when the upper vegetable box 45 is moved from the state located on the rear side of the reference position to the front side to be the reference position, the contact of the rear end surface 81b with the rear end surface 79c is suppressed and the front end surface 81c is suppressed. The contact with the vertical wall 76a is suppressed. As a result, the inner inclined surface 79d of the pinching rib 79 can be more reliably pressed against the outer inclined surface 81a of the pinched protrusion 81.

In this embodiment, the sandwiching rib 79 is integrally formed on the upper portion of the lower side wall 53, 55 of the lower vegetable box 43. With a simple structure in which the holding 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.

In the upper vegetable box 45 of the present embodiment, the lower portion of the upper vegetable box 45 is placed on the lower vegetable box 43 and the lower portion enters the inside through the upper opening 59 of the lower vegetable box 43, and the upper portion of the portion that enters the inside of the lower vegetable box 43. The width of the lower part of the vegetable box 45 in the left-right direction is smaller than the width of the upper opening 59 of the lower vegetable box 43 in the left-right direction.

In this case, as shown in FIG. 8, the gap S is between the lower side wall 53, 55 near the upper opening 59 of the lower vegetable box 43 and the upper side wall 67, 69 near the upper bottom wall 61 of the upper vegetable box 45. Is formed. Therefore, when the upper vegetable box 45 is moved from the state located on the rear side of the reference position to the front side to be the reference position, the pinched protrusions 81 are more reliably pressed from both sides by the left and right pinching ribs 79. be able to.

Next, another embodiment will be described.

In FIG. 13, the pinched protrusion 81A of the upper vegetable box 45A does not have the outer inclined surface 81a as shown in FIG. 11, and is substantially parallel to the outer surface 79a of the pinching rib 79 instead of the outer inclined surface 81a. The outer surface 81Aa is provided. The shapes of the other parts of the upper vegetable box 45A are substantially the same as those in FIG. 11, and the same components are designated by the same reference numerals. The lower vegetable box 43, including the sandwiching rib 79, is equivalent to that in FIG.

By making the outer surface 81Aa of the pinched protrusion 81A substantially parallel to the outer surface 79a of the pinching rib 79, the outer corner portion 81Ab of the front end edge of the pinched protrusion 81A is at the reference position of the upper vegetable box 45A. It contacts the inner inclined surface 79d of the holding rib 79. As a result, the inner inclined surface 79d of the holding rib 79 holds the outer corner portions 81Ab of the upper vegetable box 45A from both the left and right sides so as to hold the holding rib 79, and the rattling of the upper vegetable box 45 in particular on the left and right can be suppressed.

In FIG. 14, contrary to FIG. 13, the holding rib 79B of the lower vegetable box 43B does not have the inner inclined surface 79d as shown in FIG. 10, and is abbreviated as the outer surface 79a instead of the inner inclined surface 79d. A parallel inner side surface 79Ba is provided. The shapes of the other parts of the lower vegetable box 43B are substantially the same as those in FIG. 10, and the same components are designated by the same reference numerals. The upper vegetable box 45 is equivalent to that of FIG. 11 including the pinched protrusion 81.

By making the inner side surface 79Ba of the holding rib 79B substantially parallel to the outer surface 79a, the outer inclined surface 81a of the upper vegetable box 45 is at the reference position of the upper vegetable box 45, and the inner corner portion of the rear end edge of the holding rib 79B. 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 corner portion 79Bb of the holding rib 79B holds the outer inclined surface 81a of the upper vegetable box 45 from both the left and right sides so as to hold the holding rib 79B, and the rattling of the upper vegetable box 45 in particular on the left and right can be suppressed.

In FIG. 15, the inner inclined surface 79Cd of the holding rib 79C of the lower vegetable box 43C is a curved surface such that the inner side in the left-right direction is concave. The 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 in FIG. 10, and the equivalent components are designated by the same reference numerals.

In accordance with the curved shape of the inner inclined surface 79Cd of the sandwiching rib 79C, the outer inclined surface 81Ca of the sandwiched protrusion 81C in the upper vegetable box 45C is a curved surface such that the outer side in the left-right direction is convex. 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 in FIG. 11, and the equivalent components are designated by the same reference numerals.

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

Although the embodiments of the present invention have been described above, these embodiments are merely examples described for facilitating the 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-described embodiment, but also includes various modifications, modifications, alternative technologies, and the like that can be easily derived from the specific technical matters.

For example, in FIG. 15, in the example, the inner inclined surface 79Cd of the sandwiching rib 79C is a curved surface such that the inner side in the left-right direction is convex, and the outer inclined surface 81Ca of the upper vegetable box 45C is concave on the outer side in the left-right direction. It may be a curved surface. Further, the inner inclined surface 79d of the sandwiching rib 79 in FIG. 13 may be a curved surface like the inner inclined surface 79Cd in FIG. 15, and the outer inclined surface 81a in FIG. 14 may be like the outer inclined surface 81Ca in 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 sandwiching ribs 79 may hold the sandwiched protrusion 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-described 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 placed in storage chambers such as other freezing chambers and refrigerating chambers. The present invention can also be applied to the arrangement of.

1 Refrigerator 3 Refrigerator body 7 Vegetable room (storage room)
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 Holding rib (holding part)
81, 81A, 81C Pinched protrusion (pinched part)

Claims (6)

The storage room provided in the refrigerator body and
The lower container placed in the storage chamber and
It has an upper container that can be freely moved in the front-rear direction on the lower container.
A step formed in the upper part of the lower container, a first region formed of a low surface in the step, and a second region formed of a high surface in the step are provided.
The lower container comprises a first inclined surface for guiding the upper container into a predetermined position with respect to the lower container.
The refrigerator is characterized in that the upper container includes a second inclined surface that comes into contact with the first inclined surface. The refrigerator according to claim 1, wherein the first inclined surface is provided in the first region of the lower container in order to fix the upper container in the predetermined position. The second inclined surface according to claim 1 or 2, wherein the second inclined surface is formed so as to project outward from the upper container, and is provided in a pair at intervals in the vertical direction. Refrigerator. The refrigerator according to any one of claims 1 to 3, wherein the first inclined surface and the second inclined surface expand outward from the front side to the rear side. The refrigerator according to any one of claims 1 to 4, wherein the first inclined surface is formed on an upper portion of a side wall of the lower container. The upper container is placed on the lower container, and the lower portion enters the inside through the upper opening of the lower container, and the width of the lower portion of the upper container in the left-right direction of the portion entering the inside of the lower container. The refrigerator according to any one of claims 1 to 5, wherein the container is smaller than the width of the upper opening of the lower container in the left-right direction.

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