JP7449675B2 - refrigerator - Google Patents

Description

Embodiments of the present invention relate to a refrigerator.

It is known to provide a removable door pocket (door container) on the door of a storage compartment in a refrigerator. It is desirable that the position of the door pocket can be easily changed.

Patent No. 5511734 Patent No. 5656751

The problem to be solved by the present invention is to provide a refrigerator in which the arrangement of the door container can be easily changed.

The refrigerator of the embodiment includes a refrigerator main body, a door, a first wall part, a second wall part, a protruding part, an uneven engaging part, a rail part, a step part, a door container, and an engaging part. It has a combining mechanism. The refrigerator body includes a storage chamber. The door closes the storage room so that it can be opened and closed. The first wall portion protrudes from the inner surface of the door in a first direction toward the storage room and extends in the vertical direction. The second wall portion protrudes from the inner surface portion in the first direction and extends in the vertical direction. The second wall portion faces the first wall portion in a second direction intersecting the first direction. The protrusion extends in the second direction along the upper side of the inner surface. The concave-convex engaging portion has a concave portion and a convex portion. The recess is open. The convex portion is vertically adjacent to the concave portion. The convex portion is protruding. The uneven engaging portions are provided on the first wall portion and the second wall portion, respectively. The rail portion extends in the vertical direction on opposing side surfaces of the first wall portion and the second wall portion. The step portion extends in the vertical direction on side surfaces facing each other in the first wall portion and the second wall portion, and is provided closer to the inner surface than the rail portion. The door container is movable in the vertical direction between the first wall part and the second wall part along the rail part. The engagement mechanism is provided on both sides of the door container. The engagement mechanism faces the uneven engagement portion in the first direction. The engagement mechanism is capable of engaging with the uneven engagement portion. The door container includes a locking protrusion that is movable in the vertical direction along the space between the front surface of the rail portion and the step portion . A gap is formed between the upper surface of the rail portion and the protrusion. The vertical length of the gap is longer than the vertical length of the locking protrusion and shorter than the vertical length of the door container. The rail portion has the front surface that is in contact with the locking protrusion of the door container, the rear surface that is spaced apart from the front surface in the first direction, and a plurality of ribs that are arranged in the vertical direction and connect the front surface and the rear surface. . A stopper is provided to connect the step portion and the front surface of the rail portion.

FIG. 1 is a perspective view showing a refrigerator according to an embodiment. FIG. 2 is a cross-sectional view of the refrigerator shown in FIG. 1 taken along line F2-F2. The perspective view which shows the right refrigerator compartment door in embodiment. The perspective view which shows the rear surface member of the right refrigerator compartment door in embodiment. The perspective view which shows the rear surface member of the right refrigerator compartment door in embodiment. 4A is a sectional view taken along line F5-F5 of the refrigerator shown in FIG. 4A. FIG. 6 is an enlarged view of section F6 of the refrigerator shown in FIG. 5. 4A is a sectional view taken along line F7-F7 of the refrigerator shown in FIG. 4A. The perspective view which shows an example of the door container in embodiment. FIG. 9 is an exploded perspective view of the door container shown in FIG. 8; The perspective view which shows the holding part of the engagement mechanism in the refrigerator of embodiment. FIG. 9 is a cross-sectional view of the door container shown in FIG. 8 along line F11-F11. FIG. 9 is a sectional view taken along line F12-F12 of the door container shown in FIG. 8; The perspective view which shows the holding member of the engagement mechanism in the refrigerator of embodiment. FIG. 9 is a sectional view taken along line F14-F14 of the door container shown in FIG. 8; The perspective view which shows the reinforcement cover in the refrigerator of embodiment. The perspective view which shows the reinforcement cover in the refrigerator of embodiment. The perspective view which shows the cap member of the engagement mechanism in the refrigerator of embodiment. FIG. 17 is a rear view of the cap member shown in FIG. 16 as seen from the direction of arrow F17. FIG. 17 is a side view of the cap member shown in FIG. 16 as seen from the direction of arrow F18. FIG. 2 is a cross-sectional view showing a locked state of a door container in the refrigerator of the embodiment. FIG. 2 is a cross-sectional view showing an unlocked state of the door container in the refrigerator of the embodiment. FIG. 3 is a cross-sectional view illustrating the operation of attaching and detaching the door container in the refrigerator of the embodiment. FIG. 3 is a cross-sectional view illustrating the operation of attaching and detaching the door container in the refrigerator of the embodiment.

Hereinafter, a refrigerator according to an embodiment will be described with reference to the drawings. In the following description, components having the same or similar functions are denoted by the same reference numerals. For example, members having plane-symmetrical shapes may be given the same reference numerals. Further, redundant explanations of these configurations may be omitted.
In this specification, unless otherwise specified, up, down, left, and right are defined based on the direction in which the refrigerator is viewed from a user standing in front of the refrigerator. Furthermore, when viewed from the refrigerator, the side closest to the user standing in front of the refrigerator is defined as the "front", and the side far away from the user is defined as the "back". In this specification, "width direction" means the left-right direction in the above definition. In this specification, "depth direction" means the front-back direction in the above definition. "Vertical direction" means the height direction of the refrigerator.
Indicated by arrows in the figure, the +X direction is the right direction, the -X direction is the left direction, the +Y direction is the rear direction, the -Y direction is the front direction, the +Z direction is the upward direction, and the -Z direction is the downward direction.

A refrigerator 1 according to an embodiment will be described with reference to FIGS. 1 to 22. First, the overall configuration of the refrigerator 1 will be explained. However, the refrigerator 1 does not need to have all of the configurations described below, and some configurations may be omitted as appropriate.

FIG. 1 is a perspective view showing a refrigerator 1. FIG. FIG. 2 is a sectional view of the refrigerator 1 taken along line F2-F2 shown in FIG. As shown in FIGS. 1 and 2, the refrigerator 1 includes, for example, a housing 10, a plurality of doors 11, a plurality of shelves 12, a plurality of containers 13, a flow path forming part 14, a cooling unit 15, and a control board 16. have In this embodiment, the refrigerator main body 5 is formed by the above structure other than the plurality of doors 11.

As shown in FIG. 2, the housing 10 includes, for example, an inner box 10a, an outer box 10b, and a foamed heat insulating material 10c. The inner box 10a is a member that forms the inner surface of the housing 10, and is made of, for example, synthetic resin. The outer box 10b is a member that forms the outer surface of the housing 10, and is made of metal, for example. The outer box 10b is formed to be one size larger than the inner box 10a, and is arranged outside the inner box 10a. The foamed heat insulating material 10c is a foamed heat insulating material such as urethane foam, and is filled between the inner box 10a and the outer box 10b. Thereby, the housing 10 has heat insulation properties.

As shown in FIG. 1, the housing 10 has an upper wall 21, a lower wall 22, left and right side walls 23, 24, and a rear wall 25. The upper wall 21 and the lower wall 22 extend substantially horizontally. The left and right side walls 23 and 24 stand upward from the left and right ends of the lower wall 22 and are connected to the left and right ends of the upper wall 21. The rear wall 25 stands upward from the rear end of the lower wall 22 and is connected to the rear end of the upper wall 21 .

A plurality of storage chambers 27 are provided inside the housing 10. The plurality of storage compartments 27 include, for example, a refrigerator compartment 27A, a vegetable compartment 27B, an ice making compartment 27C, a small freezing compartment 27D, and a main freezing compartment 27E. In this embodiment, a refrigerator compartment 27A is arranged at the top, a vegetable compartment 27B is arranged below the refrigerator compartment 27A, an ice-making compartment 27C and a small freezer compartment 27D are arranged below the vegetable compartment 27B, and an ice-making compartment 27C and a small freezer compartment 27D are arranged below the vegetable compartment 27B. A main freezer compartment 27E is arranged below the small freezer compartment 27D. However, the arrangement of the storage compartment 27 is not limited to the above example. For example, the ice making compartment 27C and the small freezing compartment 27D are arranged below the refrigerator compartment 27A, and the main freezing compartment is below the ice making compartment 27C and the small freezing compartment 27D. 27E may be arranged, and a vegetable compartment 27B may be arranged below the main freezer compartment 27E. The housing 10 has an opening on the front side of each storage chamber 27 that allows food to be taken in and out of each storage chamber 27.

The openings of the plurality of storage chambers 27 are opened and closed by the plurality of doors 11. The plurality of doors 11 are, for example, left and right refrigerator doors 11Aa and 11Ab that close the opening of the refrigerator compartment 27A, a vegetable compartment door 11B that closes the opening of the vegetable compartment 27B, an ice-making compartment door 11C that closes the opening of the ice-making compartment 27C, and a small freezer. It includes a small freezer compartment door 11D that closes the opening of the chamber 27D, and a main freezer compartment door 11E that closes the opening of the main freezer compartment 27E.

The left refrigerating compartment door 11Aa and the right refrigerating compartment door 11Ab, which are provided adjacent to each other on the left and right sides, are, for example, double doors. The left refrigerator compartment door 11Aa and the right refrigerator compartment door 11Ab are each rotatably supported by the housing 10 by, for example, a hinge 30. The left refrigerator compartment door 11Aa and the right refrigerator compartment door 11Ab open and close the storage compartment 27.
In this embodiment, the width of the right refrigerator compartment door 11Ab in the width direction is larger than the width of the left refrigerator compartment door 11Aa in the width direction.
Although not particularly illustrated, in this embodiment, an operation/display area of the operation panel unit may be provided on at least one surface of the left refrigerator compartment door 11Aa and the right refrigerator compartment door 11Ab.
The detailed configuration of the right refrigerator compartment door 11Ab will be described later.

On the other hand, the vegetable compartment door 11B, the ice making compartment door 11C, the small freezer compartment door 11D, and the main freezer compartment door 11E are, for example, pull-out doors. The vegetable compartment door 11B, the ice-making compartment door 11C, the small freezer compartment door 11D, and the main freezer compartment door 11E are connected to the housing 10 by rails 35 (only the left rail 35 is shown in the vegetable compartment 27B and the main freezer compartment 27E). It is supported so that it can be pulled out.

As shown in FIG. 2, the housing 10 has first and second partitions 28 and 29. The first and second partitions 28 and 29 are, for example, partition walls that extend substantially horizontally. The first partition portion 28 is located between the refrigerator compartment 27A and the vegetable compartment 27B, and partitions the refrigerator compartment 27A and the vegetable compartment 27B. On the other hand, the second partition part 29 is located between the vegetable compartment 27B, the ice making compartment 27C, and the small freezing compartment 27D, and partitions the vegetable compartment 27B from the ice making compartment 27C and the small freezing compartment 27D. . Note that no partition wall is provided between the ice making compartment 27C and the small freezing compartment 27D and the main freezing compartment 27E.

A plurality of shelves 12 are arranged in the refrigerator compartment 27A.
The plurality of containers 13 are arranged in a refrigerator compartment container 13A (for example, a chilled compartment container) located in a refrigerator compartment 27A, first and second vegetable compartment containers 13Ba and 13Bb located in a vegetable compartment 27B, and an ice making compartment 27C. A small freezing compartment container 13D disposed in a small freezing compartment 27D, and first and second main freezing compartment containers 13Ea and 13Eb disposed in a main freezing compartment 27E.

The flow path forming component 14 is arranged within the housing 10. The flow path forming component 14 includes, for example, a first duct component 14A and a second duct component 14B. The first duct component 14A is provided along the rear wall 25 of the housing 10 and extends in the vertical direction. A first duct space S1 is formed between the first duct component 14A and the rear wall 25 of the housing 10, which is a passage through which cold air (air) flows. The first duct component 14A has a plurality of cold air outlets h1 that open to the refrigerator compartment 27A, and a cold air return port h2 that opens to the vegetable compartment 27B. The second duct component 14B is provided along the rear wall 25 of the housing 10 and extends in the vertical direction. A second duct space S2 is formed between the second duct component 14B and the rear wall 25 of the housing 10, which is a passage through which cold air (air) flows. The second duct component 14B has a plurality of cold air outlets h3 that are open to the ice making compartment 27C, the small freezer compartment 27D, etc., and a cold air return port h4 that is open to the main freezer compartment 27E.

The cooling unit 15 includes a first cooling unit 15A, a second cooling unit 15B, and a compressor 45.

The first cooling unit 15A cools the air returning from the vegetable compartment 27B through the cold air return port h2, and blows it out from the plurality of cold air blow-off ports h1 to the refrigerator compartment 27A. Thereby, cold air is circulated in the refrigerator compartment 27A and the vegetable compartment 27B, and the refrigerator compartment 27A and the vegetable compartment 27B are cooled.
The second cooling unit 15B cools the air that returns from the main freezing compartment 27E through the cold air return port h4, and blows it out from the cold air outlet h3 to the ice making compartment 27C, the small freezing compartment 27D, and the main freezing compartment 27E. Thereby, air is circulated in the ice making compartment 27C, the small freezing compartment 27D, and the main freezing compartment 27E, and the ice making compartment 27C, the small freezing compartment 27D, and the main freezing compartment 27E are cooled.
The compressor 45 is provided, for example, in a machine room at the bottom of the refrigerator 1. Compressor 45 compresses refrigerant gas used to cool storage chamber 27 . The refrigerant gas compressed by the compressor 45 is sent to the first cooling unit 15A and the second cooling unit 15B via a heat radiation pipe or the like.

The control board 16 controls the entire refrigerator 1 in an integrated manner. For example, the control board 16 controls the operations of the first cooling unit 15A, the second cooling unit 15B, and the compressor 45 based on the detection results of temperature sensors provided in the refrigerator compartment 27A, the main freezing compartment 27E, and the like.

Next, the detailed configuration of the right refrigerator compartment door 11Ab will be explained.
FIG. 3 is a perspective view showing the right refrigerator compartment door 11Ab. The right refrigerator compartment door 11Ab includes, for example, an outer shell member 50 and a gasket 55. The outer shell member 50 is formed into a box shape. The term "box-like" as used herein includes a flat box-like shape. The outer member 50 includes, for example, a frame 51, a front plate 52 (see FIG. 1), and a rear member 53.
On the inner surface of the right refrigerator compartment door 11Ab, a plurality of cases 56 (door containers) whose arrangement position can be moved in the vertical direction and a case 59 whose arrangement position is fixed in the vertical direction are removably attached. attached.
The number of cases 56 is not particularly limited. In the example shown in FIG. 3, the case 56 includes a first case 56A (door container), a second case 56B (door container), and a third case 56C (door container).
The case 59 is disposed near the rib 61G at the lower end of the rear member 53.

The frame body 51 is formed into a rectangular frame shape. The frame 51 includes an upper side member 51a, a lower side member 51b, a left side member 51c, and a right side member 51d. The upper side member 51a has a plate shape extending in the width direction and the depth direction, and forms the upper surface of the right refrigerator compartment door 11Ab. The lower side member 51b has a plate shape extending in the width direction and the depth direction, and forms the lower surface of the right refrigerator compartment door 11Ab. The left side member 51c has a plate shape extending in the vertical direction and the depth direction, and forms the left side surface of the right refrigerator compartment door 11Ab. The right side member 51d has a plate shape extending in the vertical direction and the depth direction, and forms the right side surface of the right refrigerator compartment door 11Ab. The frame 51 is formed by combining the upper side member 51a, the lower side member 51b, the left side member 51c, and the right side member 51d with each other. The frame 51 is made of synthetic resin, for example.

The front plate 52 (see FIG. 1) is attached to the frame 51 and located at the front end of the right refrigerator compartment door 11Ab. The front plate 52 is a plate member extending in the vertical direction and the width direction, and forms the front surface of the right refrigerator compartment door 11Ab. The front plate 52 is, for example, a glass plate. However, the front plate 52 is not limited to a glass plate, and may be made of synthetic resin or other materials.
The front plate 52 may be a flat plate or a curved plate. In the following, an example in which the front plate 52 is a flat plate will be explained.

The rear member 53 is attached to the frame 51 from the opposite side to the front plate 52, and is located at the rear end of the right refrigerator compartment door 11Ab. The outer shape of the rear member 53 when viewed from the -Y direction is rectangular along the frame 51. The rear surface member 53 forms the rear surface of the right refrigerator compartment door 11Ab. The rear member 53 is made of, for example, synthetic resin.
The rear member 53 has planar inner surfaces 53a and 53b along the front plate 52, and ribs 61 that protrude rearward from the inner surfaces 53a and 53b. In the example shown in FIG. 3, the inner surfaces 53a and 53b are parallel to the front plate 52.
The rib 61 is located in the +Y direction (first direction) toward the refrigerator compartment 27A (storage compartment) from the frame 51 and inner surfaces 53a and 53b when the right refrigerator compartment door 11Ab is closed with respect to the housing 10. It stands out.
Note that in this specification, the term "rib" is a name for convenience of explanation, broadly refers to a portion protruding rearward from the rear surface member 53, and is not limited to a specific shape or function.

The ribs 61 include, for example, a group of annular ribs that are one size smaller than the outer shape of the frame body 51. The term "annular" as used herein is not limited to a case where the entire circumference is completely continuous, but also includes a case where a part is interrupted by a notch or the like.
The annular rib group in the rib 61 includes a rib 61F extending in the width direction along the upper side member 51a, a rib 61G extending in the width direction along the lower side member 51b, and a rib extending in the vertical direction along the left side member 51c. 61C, 61E, and ribs 61A, 61D extending in the vertical direction along the right side member 51d.
In addition to the annular rib group, the rib 61 includes a rib 61B that extends in the vertical direction between the ribs 61A and 61C in the width direction.
The rib 61 is relatively large and protrudes rearward. For example, the amount of rearward protrusion of the rib 61 is more than half the thickness of the outer shell member 50 in the depth direction excluding the rib 61. In this embodiment, the amount of protrusion of the rib 61 is larger than the thickness of the outer shell member 50 in the depth direction excluding the rib 61.

Although not particularly illustrated, a foamed heat insulating material is filled between the rear member 53 and the front plate 52 and the inside of the convex shape of the rib 61. As the foamed heat insulating material disposed on the back side of the rear member 53, the same material as the above-described foamed heat insulating material 10c may be used.
The above-mentioned annular rib group in the rib 61 is provided mainly to suppress the cold air in the refrigerator compartment 27A (storage compartment) from escaping through the gap between the right refrigerator compartment door 11Ab and the housing 10. .

Gasket 55 is attached to rear member 53. Specifically, the rear member 53 has a throat 63 that is a recess that is recessed toward the inside of the right refrigerator compartment door 11Ab. For example, the throat 63 is formed in an annular shape surrounding the outer peripheral side of the rib 61.
Gasket 55 has a gasket main body 55a and a gasket attachment portion 55b. The gasket main body 55a is formed in an annular shape surrounding the outer peripheral side of the rib 61. When the right refrigerator compartment door 11Ab is closed to the housing 10, the gasket body 55a is arranged between the right refrigerator compartment door 11Ab and the housing 10 (or between the right refrigerator compartment door 11Ab and a rotating partition plate (not shown)). between the right refrigerator compartment door 11Ab and the housing 10 (or between the right refrigerator compartment door 11Ab and the rotary partition plate). The gasket attachment portion 55b is attached to the throat 63 by being inserted into the throat 63 provided on the rear member 53 of the right refrigerator compartment door 11Ab. Thereby, the gasket 55 is fixed to the rear member 53.
The gasket 55 is used to seal the cold air in the refrigerator compartment 27A (storage room) from leaking to the outside from between the right refrigerator compartment door 11Ab and the housing 10 when the right refrigerator compartment door 11Ab is closed. It is provided.

Here, the detailed configuration of the rear member 53 will be explained.
4A and 4B are perspective views showing the rear member of the right refrigerator compartment door in the embodiment. 4A and 4B differ only in the direction of perspective. FIG. 5 is a cross-sectional view of the refrigerator shown in FIG. 4A along line F5-F5. FIG. 6 is an enlarged view of section F6 of the refrigerator shown in FIG. FIG. 7 is a cross-sectional view of the refrigerator shown in FIG. 4A along line F7-F7.

As shown in FIGS. 4A and 4B, the inner surface portion 53a is formed in a range of approximately two-thirds from the upper end of the rear surface member 53. As shown in FIGS. The inner surface portion 53b is located slightly closer to the +Y direction than the inner surface portion 53a. The inner surface portion 53b is connected to the inner surface portion 53a via a stepped portion at the lower end.

As shown in FIG. 4A, the rib 61A protrudes in the +Y direction from the end of the inner surface portion 53a in the +X direction. The rib 61A extends in the vertical direction from the rib 61F to the boundary between the inner surfaces 53a and 53b.
A protrusion 61a is formed on the +X direction side at the tip of the rib 61A in the protruding direction. The protruding portion 61a protrudes in the same direction as the rib 61A, and is formed over the entire length of the rib 61A in the vertical direction. The protruding portion 61a forms the tip of the rib 61A in the protruding direction.
On the other hand, the tip of the rib 61F in the protruding direction is recessed in the −Y direction from the rib 61A. Therefore, when viewed from above, a U-shaped opening opening in the +Y direction is formed between the rib 61A and the rib 61B. The same applies between the rib 61C and the rib 61B.
In the example shown in FIG. 4A, the amount of protrusion of the rib 61F from the inner surface portion 53a is approximately half the amount of protrusion of the rib 61A from the inner surface portion 53a. The amount of protrusion of the rib 61F may be larger than this as long as there is no problem in attaching and detaching the first case 56A and the second case 56B, which will be described later.

At the tip of the rib 61A in the protruding direction, a flat portion 61b is formed on the −X direction side of the protruding portion 61a at a position lower than the protruding tip of the protruding portion 61a (position on the −Y direction side). has been done. The plane portion 61b has a planar shape parallel to the inner surface portion 53a.
The flat portion 61b is formed in a range extending over the entire length of the rib 61A in the vertical direction, similarly to the protruding portion 61a.

A plurality of groove portions 61c (recesses) are formed in the plane portion 61b at intervals in the vertical direction. Therefore, flat portions 61b and groove portions 61c are alternately formed in the vertical direction on the −X direction side of the protruding portion 61a at the distal end portion of the rib 61A in the protruding direction. The plane portion 61b and the groove portion 61c collectively form a concavo-convex engaging portion E. Hereinafter, when specifically indicating that it is a concave-convex engaging portion E in the rib 61A, it will be referred to as a concave-convex engaging portion Ea.
The concave groove portion 61c is a concave portion in the concavo-convex engaging portion E. The plane portion 61b is a relative convex portion in the concavo-convex engaging portion E. The plane portion 61b constitutes the tip of a convex portion that protrudes in the +Y direction with respect to a groove bottom portion 61f of a concave groove portion 61c, which will be described later.

The shape of the concave groove portion 61c is not particularly limited as long as it can engage with an engaging portion in a clamping mechanism described later.
In the example shown in FIG. 5, the groove portion 61c has a V-shape that opens in the +Y direction when viewed from the width direction. More specifically, as shown in FIG. 6, the concave groove portion 61c has a lower curved portion 61d, a lower engaging portion 61e, a groove bottom portion 61f, an upper engaging portion 61g, and an upper curved portion 61h.
The lower curved portion 61d is curved in a convex arc shape outward toward the −Y direction from the upper end of the flat portion 61b. In the example shown in FIG. 6, the radius of curvature of the lower curved portion 61d is R1.
The lower engaging portion 61e is a flat portion extending in the −Y direction from the −Y direction end of the lower curved portion 61d. The +Y direction end of the lower engaging portion 61e is smoothly connected to the flat portion 61b by a lower curved portion 61d.
The groove bottom 61f is an end face in the -Y direction of the concave groove 61c. The groove bottom 61f may be, for example, a curved surface curved in an arc shape, or a plane whose normal direction is the depth direction. The distance from the flat portion 61b to the groove bottom 61f is d1.
The upper engaging portion 61g is an inclined surface extending obliquely upward toward the +Y direction as it advances in the +Z direction from the upper end of the groove bottom 61f. The angle of inclination of the upper engaging portion 61g with respect to the lower engaging portion 61e is θ1. The magnitude of θ1 is not particularly limited as long as it is an acute angle.
The upper curved portion 61h is curved in a convex arc shape outward from the upper end of the upper engaging portion 61g toward the upper flat portion 61b. In the example shown in FIG. 6, the radius of curvature of the upper curved portion 61h is R2. In this embodiment, R2 is more preferably larger than R1.

In this embodiment, the uneven engagement portion Ea in the rib 61A is used to engage the ends of the first case 56A and the third case 56C in the +X direction.
Therefore, the number and arrangement interval of the concave groove portions 61c in the concave-convex engaging portion Ea are appropriately set according to the required arrangement positions of the first case 56A and the third case 56C. The numbers and arrangement intervals shown in FIG. 5 and the like are examples.
In the example shown in FIG. 5, the number of groove portions 61c is eleven. The groove portions 61c are formed at regular intervals in the vertical direction. Of these, the upper five are provided for placement of the first case 56A. The lower six pieces are provided for arranging the third case 56C.

The height of protrusion of the protruding portion 61a from the planar portion 61b (the amount of depression of the planar portion 61b from the tip of the protruding portion 61a) is not particularly limited. For example, the protrusion height of the protrusion portion 61a may be set to an appropriate height that makes the uneven engagement portion Ea difficult to see.
When the rib 61A is viewed from the −X direction, the protruding portion 61a covers the flat portion 61b and the groove portion 61c, so that the concave-convex engaging portion Ea is hidden. This makes it difficult to see the concave-convex engaging portion Ea, thereby improving the aesthetic appearance of the right refrigerator compartment door 11Ab.

As shown in FIG. 4A, a rail portion 64A and a step portion 53c are provided on the side surface S of the rib 61A on the −X direction side.

The rail portion 64A is a protrusion that protrudes from the side surface S in the −X direction and extends vertically in an elongated linear shape.
As shown in FIG. 5, the rail portion 64A is arranged closer to the inner surface portion 53a than the uneven engagement portion Ea in the depth direction. The rail portion 64A includes a first rail portion 64a and a second rail portion 64b.

The outer shape of the first rail portion 64a when viewed from the +X direction is a rectangular shape having a rear surface 64c on the +Y direction side, a front surface 64d on the -Y direction side, an upper surface 64e on the +Z direction side, and a lower surface 64f on the -Z direction side. . The configuration inside the first rail portion 64a is not particularly limited. In this embodiment, the first rail portion 64a is a cylindrical body that follows the above-mentioned outer shape. A plurality of ribs 64g connecting the inner walls in the depth direction are provided inside the first rail portion 64a.
The upper surface 64e is located above the uppermost position of the first case 56A, which will be described later. In this embodiment, it is located above the uppermost concave groove portion 61c in the concavo-convex engaging portion Ea.
Furthermore, the upper surface 64e is arranged further away from the side surface of the rib 61F in the −Z direction below. A gap 64h is formed in the vertical direction between the rib 61F and the upper surface 64e. The size of the gap 64h is not particularly limited as long as it is wide enough to attach and detach the first case 56A, which will be described later.
The lower surface 64f is located below the lowest position of the third case 56C, which will be described later. In this embodiment, it is located below the lowermost concave groove portion 61c in the concave-convex engaging portion Ea.

The second rail portion 64b is spaced from the lower surface 64f of the first rail portion 64a in the -Z direction and is arranged in series with the first rail portion 64a. The external shape of the second rail portion 64b when viewed from the +X direction is a rectangular shape having a rear surface 64j on the +Y direction side, a front surface 64k on the -Y direction side, an upper surface 64m on the +Z direction side, and a lower surface 64n on the -Z direction side. .
The position of the rear surface 64j in the depth direction is equal to that of the rear surface 64c, and the position of the front surface 64k in the depth direction is equal to that of the front surface 64d.
The lower surface 64n forms the lowest surface of the rail portion 64A. In the example shown in FIG. 5, the lower surface 64n in the vertical direction is approximately the same as the lower end position of the flat portion 61b.
The upper surface 64m is spaced apart from the lower surface 64f in the vertical direction. A gap 64i is formed between the upper surface 64m and the rear surface 64c. The size of the gap 64i is such that a locking protrusion 57 of a clamping mechanism 60, which will be described later, can pass through in the depth direction.
The position of the gap 64i in the vertical direction is set according to the position at which a third case 56C, which will be described later, is attached or detached. In the case of this embodiment, since the third case 56C can be attached and detached below the position where the third case 56C is disposed, the gap 64i is located near the lower end of the rail portion 64A. Therefore, in the example shown in FIG. 5, the second rail portion 64b is significantly shorter than the first rail portion 64a. For example, the length of the second rail portion 64b in the vertical direction may be about half the length of the locking protrusion 57 of the clamping mechanism 60, which will be described later.

As shown in FIG. 4A, the step portion 53c protrudes in the −X direction from the side surface S of the rail portion 64A between the rail portion 64A and the inner surface portion 53a. Although the protrusion height of the step portion 53c is not particularly limited, it is more preferable that it does not exceed the protrusion height of the rail portion 64A. In the example shown in FIG. 4A, the step portion 53c protrudes to the same position as the rail portion 64A.
As shown in FIG. 5, the step portion 53c is spaced apart from the front surface 64d in the -Y direction and extends parallel to the front surface 64d. The lower end of the stepped portion 53c extends to a position facing the gap 64i in the depth direction. The upper end of the stepped portion 53c is connected to the lower surface of the rib 61F.

A first stopper is provided between the front surface 64d of the rail portion 64A and the step portion 53c, and the first stopper crosses the gap between the front surface 64d of the rail portion 64A and the step portion 53c and projects from the side surface S of the rib 61A in the −X direction. 53d is provided.
The first stopper 53d is provided to prevent a first case 56A, which will be described later, from falling. The position of the first stopper 53d in the vertical direction defines the lowest movable position of the first case 56A. The lowest position of the first case 56A can be appropriately set as necessary. However, the first stopper 53d also defines a movable uppermost position of a third case 56C, which will be described later.
In the example shown in FIG. 5, the first stopper 53d is provided approximately at the center of the front surface 64d in the vertical direction. Therefore, the first case 56A is movable in the vertical direction within the range of the upper half of the first rail section 64a, and the third case 56C is movable in the vertical direction within the range of the lower half of the second rail section 64b. .

A second stopper 53e is provided on the front surface 64k of the second rail portion 64b, extending toward the boundary between the inner surfaces 53a and 53b and protruding from the side surface S of the rib 61A in the -X direction.
The second stopper 53e is provided to prevent a third case 56C, which will be described later, from falling. The length of the second stopper 53e in the depth direction is not particularly limited as long as it can prevent a third case 56C, which will be described later, from falling. In the example shown in FIG. 5, the length of the second stopper 53e in the depth direction is approximately the same as the gap between the front surface 64d of the rail portion 64A and the step portion 53c.
The position of the second stopper 53e in the vertical direction defines the lowest position in which the third case 56C is movable. The lowest position of the third case 56C can be appropriately set as necessary. In the example shown in FIG. 5, the second stopper 53e extends in the -Y direction from the intersection of the front surface 64k and the lower surface 64n.

As shown in FIG. 4A, the rib 61D extends from the lower end of the rib 61A to the end of the rib 61G in the +X direction. The inner (−X direction side) side surface of the rib 61D is located closer to the +X direction than the inner side surface S of the rib 61A. Therefore, the thickness of the rib 61D is thinner than the thickness of the rib 61A.
A locking guide projection 53f and a locking projection 65 each protrude in the −X direction from the inner side surface of the rib 61D. The shapes of the locking guide projection 53f and the locking projection 65 are not particularly limited as long as they can lock the case 59 in a detachable manner.
The rib 61G in this embodiment includes a first plate-like part 61Ga extending in the +Y direction from the lower end of the inner surface part 53b, and a second plate-like part 61Gb extending further in the +Y direction from the first plate-like part 61Ga. have However, the second plate-like portion 61Gb has an upper surface that slopes toward the −Z direction as it advances in the +Y direction.
The locking guide protrusion 53f extends in the +Z direction from the upper surface of the +X direction edge of the first plate-shaped portion 61Ga over the entire depth direction.
The locking projection 65 extends above the second plate-shaped portion 61Gb, away from the +Y direction end of the locking guide projection 53f, and in parallel with the locking guide projection 53f.
The tip surfaces of the ribs 61D and 61G in the protruding direction are formed at the same position as the tip of the protrusion 61a of the rib 61A.

As shown in FIG. 4B, a lighting section 62 that illuminates the inside of the refrigerator compartment 27A when the right refrigerator compartment door 11Ab is opened is provided on the side surface of the rib 61A in the +X direction.
For example, the illumination unit 62 includes a light diffusing plate provided on the side surface of the rib 61A in the +X direction, and a light source provided inside the rib 61A.

As shown in FIGS. 4B and 7, the ribs 61C, 61E and the rail portion 64C are in plane with the ribs 61A, 61D and the rail portion 64A, respectively, with respect to a plane whose normal direction is the width direction between the ribs 61A, 61C. It has a symmetrical shape and arrangement. However, the illumination part 62 is not provided on the rib 61C. The side surface of the rib 61C is continuous on the surface of the portion corresponding to the illumination portion 62, and the inside thereof is also filled with a foamed heat insulating material (not shown).
Therefore, the configurations of the ribs 61C, 61E and the rail portion 64C can be easily understood by reversing the +X direction and the -X direction in the above description, so a detailed explanation will be omitted. For example, the rib 61C has a concave-convex engaging portion E similar to the rib 61A on the +X direction side of the protruding portion 61a. Hereinafter, when specifically indicating that it is a concave-convex engaging portion E in the rib 61C, it will be referred to as a concave-convex engaging portion Ec.
The same applies to the step portion 53c, first stopper 53d, and second stopper 53e on the rib 61C, and the locking projection 65 and locking guide projection 53f on the rib 61E.

As shown in FIGS. 4A and 4B, the rib 61B protrudes in the +Y direction from the inner surface 53a between the ribs 61A and 61C. The rib 61B extends from the rib 61F to approximately the center of the inner surface 53a in the vertical direction. For example, in the example shown in FIG. 7, the rib 61B extends to the center of the concave-convex engaging portion Ec in the rib 61C (the position of the sixth concave groove portion 61c from the top) when viewed from the -X direction.
The rib 61B has a side surface Sm (see FIG. 4A) on the −X direction side and a side surface Sp (see FIG. 4B) on the +X direction side. The side surface Sm faces the side surface S of the rib 61C in the width direction. The side surface Sp faces the side surface S of the rib 61A in the width direction.
At the tip of the rib 61B in the protruding direction, a concave-convex engaging portion E is formed within the length range of the rib 61B in the vertical direction.
The flat portion 61b of the rib 61B forms a tip end surface in the protruding direction of the rib 61B. The concave groove portion 61c in the rib 61B is formed in the same manner as the concave groove portion 61c in the upper half of the concavo-convex engaging portion Ea. For example, in the example shown in FIG. 7, the groove portions 61c in the rib 61B have the same shape and arrangement as the upper five grooves in the uneven engagement portion Ea.
In this way, the concave-convex engaging portion E in the rib 61B has fewer groove portions 61c than the concave-convex engaging portion Ea. Hereinafter, when specifically indicating that it is a concave-convex engaging portion E in the rib 61B, it will be referred to as a concave-convex engaging portion Eb.

The thickness of the rib 61B in the width direction is at least about twice the width of the concavo-convex engaging portion Ea. Although the concave groove portion 61c in the concave-convex engaging portion Ec does not have to penetrate in the thickness direction (width direction) of the rib 61B, it does in this embodiment.
When the groove portion 61c is not made to penetrate through the rib 61B in the thickness direction, the groove portion 61c is formed from the side surfaces Sm and Sp of the rib 61B toward the inner side of the rib 61B.

As shown in FIG. 4A, the side surface Sm is provided with a rail portion 64Bc and a step portion 53g.
The rail portion 64Bc is a projection protruding in the +X direction, similar to the first rail portion 64a in the rib 61A, except that it is provided on the side surface Sm and has a short length in the vertical direction. .
That is, the rail portion 64Bc includes an upper surface 64e similar to the first rail portion 64a, a rear surface 64c and a front surface 64d that are vertically shorter than those in the first rail portion 64a, and a lower surface 64p instead of the lower surface 64f. .
The lower surface 64p is formed at the same position as the upper end surface of the first stopper 53d when viewed from the −Y direction.
The stepped portion 53g is formed in the same manner as the stepped portion 53c, except that it is provided on the side surface Sm and is formed within the vertical length range of the rib 61B.

As shown in FIGS. 4B and 7, the side surface Sp is provided with a rail portion 64Ba and a step portion 53g. The rail portion 64Ba and the step portion 53g have a shape and arrangement that are plane symmetrical to the rail portion 64Bc and the step portion 53g on the side surface Sm, respectively, with respect to a plane between the side surfaces Sp and Sm whose normal direction is the width direction. There is. Therefore, in the above description, for example, the +X direction and the -X direction can be easily understood by reversing the terms, so a detailed explanation will be omitted.

As explained above, in the rear member 53, the rib 61B faces the rib 61A in the width direction (second direction) that intersects the protruding direction (+Y direction, first direction) of the rib 61A (first wall portion). It is the second wall part. Concave-convex engaging portions E (concave-convex engaging portions Ea, Eb) are provided at the tips of the ribs 61A, 61B in the first direction, respectively. The ribs 61A, 61B are provided with rail portions 64 (rail portions 64A, 64Ba) that protrude from the side surfaces S, Sp facing each other and extend in the vertical direction.
Similarly, the ribs 61C and 61B correspond to the first wall portion and the second wall portion, respectively, and are provided with concave-convex engaging portions E (concave-convex engaging portions Ec, Eb) at their respective tips in the first direction. It is being Further, the ribs 61C, 61B are provided with rail portions 64 (rail portions 64C, 64Bc) that protrude from the side surfaces S, Sm facing each other and extend in the vertical direction.
Similarly, the ribs 61A and 61C correspond to the first wall portion and the second wall portion, respectively, and are provided with a concave-convex engaging portion E (concave-convex engaging portion Ea, Ec) at the tip end in the first direction. It is being Further, the ribs 61A, 61C are provided with rail portions 64 (rail portions 64A, 64C) that protrude from the side surfaces S, S facing each other and extend in the vertical direction.
Note that the correspondence between the first wall portion and the second wall portion in the wall portions facing each other may be opposite to that described above.

Next, detailed configurations of the plurality of cases 56 will be explained.
As shown in FIG. 3, each case 56 is movable in the vertical direction between the first wall part and the second wall part along the rail part. Each case 56 includes a case main body 56a having a length (width) in the width direction that fits into the gap between the first wall portion and the second wall portion.
When distinguishing each case main body 56a in the first case 56A, second case 56B, and third case 56C, they may be expressed as case main bodies 56aA, 56aB, and 56aC, respectively.
The first case 56A is arranged between the ribs 61A and 61B. The second case 56B is arranged between the ribs 61C and 61B. The third case 56C is arranged between the ribs 61A and 61B.

The configuration common to each case 56 will be explained using an example of the first case 56A.
Hereinafter, unless otherwise specified, the positional relationship of each part will be explained based on the direction in which it is fixed to the refrigerator 1 described above. However, the first case 56A is attached/detached with the right refrigerator compartment door 11Ab open. The opening angle of the right refrigerator compartment door 11Ab is arbitrary within the opening limit.
Therefore, when the right refrigerator compartment door 11Ab is opened and the user faces the inner surface of the right refrigerator compartment door 11Ab (hereinafter referred to as "facing directly"), the left and right and front and rear as seen from the user are referred to in this specification. Different from the defined left and right and front and rear. Below, the positional relationship when facing directly may be supplemented as necessary.
FIG. 8 is a perspective view showing an example of the door container in the embodiment.

As shown in FIG. 8, the first case 56A includes a case body 56aA and a clamping mechanism 60.

The case body 56aA is formed into a bowl shape with an open upper part. The outer shape of the case body 56aA is approximately rectangular parallelepiped. Here, the term "substantially rectangular parallelepiped shape" refers to a rectangular parallelepiped-like shape in which various shapes such as roundness, curvature, bending, steps, and unevenness are added to any of the corners, ridges, and surfaces of the rectangular parallelepiped, in addition to the rectangular parallelepiped shape. Including shape. The case main body 56aA may have a through hole, a notch, etc. that penetrate in the thickness direction. However, in the following description, an example will be described in which the first case 56A does not have a through hole, a notch, etc. that penetrates in the thickness direction.
The case body 56aA has a bottom portion 56f, a first wall portion 56b, a second wall portion 56c, a first side wall portion 56d, and a second side wall portion 56e.
The bottom portion 56f has a substantially rectangular shape in plan view (as viewed in the −Z direction) with a periphery extending in the width direction and the depth direction.
The first wall portion 56b extends in the +Z direction from the +Y direction peripheral edge of the bottom portion 56f.
The second wall portion 56c extends in the +Z direction from the periphery of the bottom portion 56f in the −Y direction. The second wall portion 56c is a wall portion that faces the inner surface portion 53a when placed inside the refrigerator 1. For example, the second wall portion 56c is formed of a plane substantially parallel to the inner surface portion 53a.
The first side wall portion 56d extends in the +Z direction from the +X direction peripheral edge of the bottom portion 56f. The first side wall portion 56d is located on the left hand side when viewed from the user when facing directly.
The second side wall portion 56e extends in the +Z direction from the periphery of the bottom portion 56f in the −X direction. The second side wall portion 56e is located on the right hand side when viewed from the user when facing directly.

The clamping mechanism 60 includes a clamping mechanism 60R provided on the second side wall 56e and a clamping mechanism 60L provided on the first side wall 56d.
The holding mechanism 60R includes a locking protrusion 57R and a locking portion 58R (engaging mechanism). The holding mechanism 60L includes a locking protrusion 57L and a locking portion 58L (engaging mechanism).
The lock portions 58R and 58L are located on the right hand side and the left hand side, respectively, when viewed from the user when facing directly.
In the following, the subscripts R and L may be omitted as appropriate unless there is a risk of misunderstanding. For example, when representing either one of the locking projections 57R, 57L, it may be simply referred to as the locking projection 57, or both of the locking projections 57R, 57L may be collectively referred to as each locking projection 57. .

The locking protrusion 57R protrudes from the second side wall portion 56e in the −X direction at the end of the second side wall portion 56e in the −Y direction. In the example shown in FIG. 8, the shape of the locking protrusion 57R as viewed from the +X direction is long in the vertical direction as a whole. The upper end of the locking protrusion 57R is located near the upper end of the second side wall portion 56e. The lower end of the locking protrusion 57R is located approximately at the center of the second side wall portion 56e in the vertical direction.
The outer surface of the locking protrusion 57R in the −Y direction is formed by a flat portion 57d, which is a flat surface facing in the −Y direction and extending in the vertical direction. In the example shown in FIG. 8, the plane portion 57d is parallel to the second wall portion 56c. The distance in the depth direction from the flat portion 57d to the outer surface of the second wall portion 56c is shorter than the distance in the depth direction from the inner surface portion 53a to the stepped portions 53c and 53g.
The outer surface of the locking protrusion 57R in the +Y direction includes an upper protrusion 57a and a lower protrusion 57b that protrude from both ends in the vertical direction in the -Y direction. A recess 57c recessed in the -Y direction is formed between the upper protrusion 57a and the lower protrusion 57b.
The ends of the upper convex portion 57a and the lower convex portion 57b in the −Y direction are located on the same plane parallel to the flat portion 57d.
The width of the locking protrusion 57R in the depth direction is narrower than the gap between the rail portion 64Ba and the step portion 53g.

The locking protrusion 57L has a shape and arrangement that is plane symmetrical to the locking protrusion 57L with respect to a plane between the second side wall portion 56e and the first side wall portion 56d whose normal direction is the width direction. Therefore, the locking protrusion 57L has a flat portion 57d, an upper convex portion 57a, a lower convex portion 57b, and a recess 57c, which are similar to the locking protrusion 57R except that the locking protrusion 57L protrudes from the first side wall portion 56d in the −X direction. has.
The width of the locking protrusion 57L in the depth direction is narrower than the gap between the rail portion 64A and the step portion 53c.

Regarding the dimension in the width direction of the first case 56A, the distance from the outer surface of the first side wall portion 56d to the outer surface of the second side wall portion 56e is shorter than the distance between the tip surfaces of the rail portions 64A and 64Ba in each protruding direction. . Further, the distance between the end surfaces of the locking protrusions 57L and 57R in the protruding direction is shorter than the gap between the side surface S of the rib 61A and the side surface Sp of the rib 61B.
Therefore, the first case 56A is vertically movable between the side surface S of the rib 61A and the side surface Sp of the rib 61B. At this time, the locking protrusion 57L is movable in the vertical direction through the gap between the rail portion 64A and the step portion 53g. The locking protrusion 57R is movable in the vertical direction through the gap between the rail portion 64Ba and the step portion 53g.

The length of the locking protrusion 57L in the first case 56A in the vertical direction is shorter than the vertical gap of the gap 64h. Therefore, the locking protrusion 57L in the first case 56A is movable in the depth direction through the gap 64h.
The length in the vertical direction of a locking projection 57R in the second case 56B, which will be described later, is also the same as that of the locking projection 57L in the first case 56A.

The lock portion 58R is provided at the end of the second side wall portion 56e in the +Y direction.
FIG. 9 is an exploded perspective view of the door container shown in FIG. 8.
As shown in FIG. 9, the lock portion 58R includes a holding portion 58a, a sliding member 71 (cap member, engaging portion), an elastic member 72 (compression coil spring), a locking holder 73 (holding member), and a cover 70 (reinforcing member). cover).
The lock portion 58L has a shape and arrangement that is symmetrical to the lock portion 58R with respect to a plane whose normal direction is the width direction between the second side wall portion 56e and the first side wall portion 56d. Therefore, the shape and arrangement of the holding part 58a, slide member 71, elastic member 72, locking holder 73, and cover 70 of the lock part 58L are different from the +X direction and the -X direction in the explanation of the structure of the lock part 58R. It is easier to understand if you read it in reverse. In particular, the lock portions 58R and 58L have the same cross-sectional shape on a plane whose normal direction is the width direction.
Below, unless otherwise specified, the configuration of the lock portion 58R will be described. However, for portions that are not visible in the drawings, reference may be made to illustrations of corresponding portions of the lock portion 58L.

FIG. 10 is a perspective view showing the holding part of the engagement mechanism in the refrigerator of the embodiment. FIG. 11 is a sectional view of the door container shown in FIG. 8 along line F11-F11. FIG. 12 is a sectional view of the door container shown in FIG. 8 along line F12-F12.
As shown in FIG. 10, the holding portion 58a includes a first guide plate 58b, a second guide plate 58c, and a locking plate 58d.
The first guide plate 58b is a flat plate that projects in the −X direction from near the upper end of the second side wall portion 56e and extends in the depth direction. In the plan view shape of the first guide plate 58b, the width in the lateral direction is constant from the intermediate portion in the depth direction on the +Y direction side, and similarly, the width on the +Y direction side gradually decreases as it progresses in the +Y direction. The length of the first guide plate 58b in the depth direction is not particularly limited as long as it is spaced apart from the locking protrusion 57R, but in the example shown in FIG. 9, it is approximately half the length of the second side wall portion 56e in the depth direction. be.

The second guide plate 58c is a flat plate that protrudes in the −X direction at a position below the first guide plate 58b and apart from the first guide plate 58b. The outer shape of the second guide plate 58c in plan view is the same as that of the first guide plate 58b. The second guide plate 58c is arranged at a position overlapping the first guide plate 58b when viewed from the −Z direction.
The distance between the second guide plate 58c and the first guide plate 58b in the vertical direction is such that a slide member 71, which will be described later, can be held slidably in the depth direction.
A C-shaped notch 58f in plan view is formed in a portion of the second guide plate 58c closer to the -Y direction, through which an operating lever 71B of a slide member 71, which will be described later, can be inserted in the width direction and depth direction.

One or more attachment portions 58e to which a cover 70, which will be described later, is attached are formed at the base end portions of the first guide plate 58b and the second guide plate 58c in the protruding direction (−X direction), respectively. For example, in the example shown in FIG. 10, two mounting portions 58e are formed spaced apart in the depth direction on the first guide plate 58b. Although not shown in FIG. 10, a mounting portion 58e is formed on the second guide plate 58c at a position facing the mounting portion 58e on the +Y direction side of the first guide plate 58b.
The structure of the attachment portion 58e is not particularly limited as long as it can be attached with a cover 70, which will be described later, sandwiching the first guide plate 58b and the second guide plate 58c. For example, the attachment portion 58e may be engaged with an engagement portion provided on the cover 70 in a concave-convex manner. For example, when the cover 70 has a protrusion as an engaging part, the attachment part 58e may be a groove recessed inside the first guide plate 58b and the second guide plate 58c, or A through hole passing through each of the two guide plates 58c may be used. For example, when the cover 70 has a recessed portion as an engaging portion, the attachment portion 58e may be a protrusion that projects outward from the first guide plate 58b and the second guide plate 58c.
For example, in the example shown in FIGS. 11 and 12, the attachment portion 58e of the first guide plate 58b is a groove formed in the upper surface of the first guide plate 58b. Similarly, in the example shown in FIG. 11, the attachment portion 58e of the second guide plate 58c is a groove formed on the lower surface of the second guide plate 58c. Since the attachment portion 58e does not penetrate through the first guide plate 58b and the second guide plate 58c in the thickness direction, the sealing performance of the cover 70 is improved.

As shown in FIG. 10, the locking plate 58d is a flat plate whose normal direction is the depth direction. The locking plate 58d projects in the -X direction from a position closer to the +Y direction than the notch 58f between the first guide plate 58b and the second guide plate 58c. The locking plate 58d connects the first guide plate 58b and the second guide plate 58c to each other in the vertical direction.
A locking groove 58g for locking a locking holder 73, which will be described later, in the vertical direction and +X direction is formed at the tip of the locking plate 58d in the protruding direction.

A guide projection 58h (concave-convex fitting structure) extending in the depth direction and protruding in the -X direction is provided on the first side wall portion 56d between the first guide plate 58b and the second guide plate 58c. The guide protrusion 58 is fitted into a guide groove 71p of a slider 71A, which will be described later, so as to be relatively movable in the depth direction. Thereby, the guide protrusion 58h guides the movement of the slider 71A in the depth direction.
In the example shown in FIG. 12, the guide protrusion 58h is formed by two ribs spaced apart in the vertical direction and extending in the depth direction.

As shown in FIG. 9, the slide member 71 includes a slider 71A and an operating lever 71B.
The slider 71A is accommodated in a gap between the first guide plate 58b and the second guide plate 58c, and is slidable in the depth direction. A convex engaging portion 71a that can be engaged with the concave groove portion 61c in the vertical direction is provided at the tip of the slider 71A in the -Y direction.
The operating lever 71B is a rod-shaped member that extends in the −Z direction from the middle portion of the lower surface of the slider 71A in the depth direction. The operating lever 71B is inserted into the notch 58f and protrudes below the second guide plate 58c.
The detailed configuration of the slide member 71 will be described later.

The elastic member 72 is a member that biases the slider 71A in the -Y direction. The configuration of the elastic member 72 is not particularly limited as long as it can bias the slider 71A in the -Y direction. For example, as the elastic member 72, an appropriate elastic member, spring, etc. that can be biased in the -Y direction is used. For example, the elastic member 72 can be configured to generate an elastic restoring force in the -Y direction when compressed in the +Y direction. In the example shown in FIG. 9, a compression coil spring is used as the elastic member 72.
In the example shown in FIG. 9, at least a portion of the tip 72a (first end), which is the end in the −Y direction of the elastic member 72, is held inside the slider 71A. At least a portion of a proximal end 72b (second end), which is an end in the +Y direction of the elastic member 72, is housed inside a locking holder 73, which will be described later. Here, the tip portion 72a represents an end region within a range of less than half of the total length from the tip of the elastic member 72. Similarly, the proximal end portion 72b represents an end region of the elastic member 72 extending from the proximal end to less than half of the total length.
When the spring constant of the elastic member 72 is high, the amount of force required to move the slider 71A in the depth direction becomes large. In order to enable the operator to move the slider 71A easily, it is more preferable that the spring constant of the elastic member 72 is low. On the other hand, as will be described later, in this embodiment, the biasing force of the elastic member 72 is a pressing force that clamps the rail portion 64 and the locking protrusion 57. For this reason, it is more preferable for the natural length of the elastic member 72 to be long. If the natural length of the elastic member 72 is long, even if the spring constant is low, the necessary biasing force can be obtained by increasing the compression width.

The locking holder 73 holds the base end portion 72b, which is the end portion of the elastic member 72 in the +Y direction.
FIG. 13 is a perspective view showing the holding member of the engagement mechanism in the refrigerator of the embodiment. FIG. 14 is a sectional view of the door container shown in FIG. 8 along line F14-F14.
As shown in FIG. 13, the locking holder 73 has a first locking plate 73b, a second locking plate 73c, a locking shaft 73d, and a cylindrical portion 73a (second guide hole).
The first locking plate 73b and the second locking plate 73c are flat plates arranged parallel to each other with a gap in which the locking plate 58d can be inserted. The first locking plate 73b and the second locking plate 73c are connected to each other by a locking shaft 73d provided at the center of each.
As shown in FIG. 14, the locking shaft 73d has an outer diameter slightly smaller than the groove width of the locking groove 58g.
As a result, the locking holder 73 is locked with the locking shaft 73d inserted into the locking groove 58g and the locking plate 58d being sandwiched between the first locking plate 73b and the second locking plate 73c. It is locked to the plate 58d.

The cylindrical portion 73a accommodates the base end portion 72b of the elastic member 72 therein. The shape of the cylindrical portion 73a can be appropriately determined depending on the shape of the elastic member 72 to be accommodated. In the example shown in FIG. 13, since the elastic member 72 is made of a compression coil spring having a cylindrical outer shape, the cylindrical portion 73a has a cylindrical shape with a circular hole portion that follows the outer shape of the elastic member 72.
As shown in FIG. 14, in this embodiment, the cylindrical portion 73a guides the base end portion 72b of the elastic member 72 in an expandable and retractable manner. It is more preferable that the cylindrical portion 73a has an inner diameter as close to the outer diameter of the elastic member 72 as possible within the range in which the base end portion 72b can expand and contract.
However, the cylindrical portion 73a is not limited to a cylindrical shape as long as it can guide the expansion and contraction of the elastic member 72. For example, the cylindrical portion 73a may be a square hole.
The base end of the elastic member 72 is fixed at a predetermined position inside the cylindrical portion 73a.

As shown in the perspective view of the lock part 58L and the exploded perspective view of the lock part 58R in FIG. 9, the cover 70 covers the slider 71A, the elastic member 72, the locking holder 73, and the holding part 58a from the outside.
The cover 70 vertically connects an upper plate part 70a that covers the first guide plate 58b from above, a lower plate part 70b that covers the second guide plate 58c from below, and the upper plate part 70a and the lower plate part 70b. It has a side plate part 70c.

The side plate portion 70c is formed into a curved plate shape that covers the tips of the first guide plate 58b and the second guide plate 58c in the protruding direction and the ends in the +Y direction from the outside. Specifically, the side plate portion 70c includes a flat plate portion 70d that covers the −Y direction side of the first guide plate 58b and the second guide plate 58c, and a convex curved portion 70e that similarly covers the +Y direction side.
Therefore, each lock portion 58 protrudes outward in the width direction from both side surfaces of the first case 56A in the width direction, but the amount of each protrusion gradually decreases toward the end in the +Y direction.
The shape of the convex curved portion 70e is such that the lock portion 58R in the second case 56B and the third case 56C does not interfere with the left refrigerator compartment door 11Aa when the right refrigerator compartment door 11Ab is opened and closed. For example, the convex curved portion 70e has a curved shape that fits inside the rotation locus drawn by the left side member 51c around the hinge 30 (on the hinge 30 side).

As shown in the cover 70 of the lock portion 58L in FIG. 9, a cutout portion 70f is formed in the lower plate portion 70b at a position overlapping the cutout portion 58f from below.
The notch 70f is formed in a shape that allows the operating lever 71B to be inserted in the width direction and the depth direction.
15A and 15B are perspective views showing the reinforcing cover in the refrigerator of the embodiment.
As shown in FIGS. 15A and 15B, the cover 70 of the locking part 58L has a substantially rectangular opening surrounded by an upper plate part 70a, a side plate part 70c, and a lower plate part 70b at the end in the -Y direction. 70h is formed. The opening 70h has a size that allows the slider 71A (not shown) to move forward and backward in the depth direction.
As shown in FIG. 15A, an engaging portion 70g that engages with a mounting portion 58e (see FIG. 9) of the second guide plate 58c is provided on the upper surface of the lower plate portion 70b. As shown in FIG. 15A, the lower surface of the upper plate portion 70a is provided with an engaging portion 70g that engages with each attachment portion 58e of the first guide plate 58b.
The cover 70 is fixed to the holding part 58a in a state where each engaging part 70g engages with each attachment part 58e, thereby covering the holding part 58a from the outside in the vertical direction and the outside in the width direction.

The structure of each engaging portion 70g is not particularly limited as long as it can be attached to the attachment portion 58e with the cover 70 sandwiching the first guide plate 58b and the second guide plate 58c. For example, the engaging portion 70g may engage the mounting portion 58e in a convex-concave manner. For example, when the attachment portion 58e has a protrusion, the engagement portion 70g is a groove provided inside the upper plate portion 70a and the lower plate portion 70b, or penetrates the upper plate portion 70a and the lower plate portion 70b. A through hole may also be used. For example, when the attachment portion 58e has a recess, the engagement portion 70g may be a protrusion that protrudes inward from the upper plate portion 70a and the lower plate portion 70b.
For example, in the example shown in FIGS. 11 and 12, the attachment portion 58e of the first guide plate 58b is a groove formed on the upper surface of the first guide plate 58b. Similarly, in the example shown in FIG. 11, the attachment portion 58e of the second guide plate 58c is a groove formed on the lower surface of the second guide plate 58c. Since the attachment portion 58e does not penetrate through the first guide plate 58b and the second guide plate 58c in the thickness direction, the sealing performance of the cover 70 is improved.

In this manner, the cover 70 is attached from the outside of the holding portion 58a in the width direction so as to sandwich the first guide plate 58b and the second guide plate 58c in the vertical direction. Each of the engaging portions 70g of the cover 70 engages with one of the attachment portions 58e on the upper and lower surfaces of the holding portion 58a in a vertical direction. Therefore, even if an external force in the vertical direction is applied to the cover 70 from the first guide plate 58b and the second guide plate 58c due to the rotation of the slider 71A, the external force acts on the cover 70 in the width direction to pull it out from the holding part 58a. The cover 70 will not easily come off unless you do so. Therefore, it is possible to suppress the cover 70 from coming off when the slide member 71 moves forward and backward.

As shown in FIG. 8, when the cover 70 is attached, the amount of protrusion of the lock portion 58L from the first side wall portion 56d in the +X direction, and the amount of protrusion of the lock portion 58R from the second side wall portion 56e in the −X direction. and are both W. The size of W is larger than both the width of the flat portion 61b of the rib 61A and half the width of the flat portion 61b of the rib 61B. Furthermore, the distance between the outer surfaces of each side plate portion 70c is shorter than the distance from the inner surface of the protruding portion 61a to the center portion of the flat portion 61b of the rib 61B.
Therefore, the first case 56A can be accommodated in the range from the inner surface of the protruding portion 61a to the center of the flat portion 61b of the rib 61B in the width direction.
In this way, each locking portion 58 protrudes to a range overlapping with the concave-convex engaging portion E on the +Y direction side of the concave-convex engaging portion E to be engaged. Thereby, since it is disposed in front of the ribs 61A and 61B when facing directly, it is easy for the operator to visually recognize it. Furthermore, since each lock portion 58 and the concave-convex engaging portion E to be engaged are in an overlapping positional relationship in the depth direction, each lock portion 58 can be housed compactly without reducing the width of the case 56 in the lateral direction. can. Since each lock portion 58 does not protrude outside the rib 61A in the width direction, the right refrigerator compartment door 11Ab can be opened and closed smoothly.

Next, the detailed configuration of the slide member 71 and the internal configuration of the lock portion 58 will be explained based on the cross-sectional view of the lock portion 58L shown in FIG. 14 and FIGS. 16 to 18 showing the slide member 71 in the lock portion 58L. explain.
FIG. 14 shows the position of the slide member 71 in a locked state in which the convex engaging portion 71a engages with the concave groove portion 61c. FIG. 16 is a perspective view showing the cap member of the engagement mechanism in the refrigerator of the embodiment. FIG. 17 is a rear view of the cap member shown in FIG. 16 as viewed from the direction of arrow F17. FIG. 18 is a side view of the cap member shown in FIG. 16, viewed from the direction of arrow F18.

As shown in FIG. 14, the slider 71A has an upper slide portion 71g and a lower slide portion 71h extending parallel to the lower surface of the first guide plate 58b and the upper surface of the second guide plate 58c, respectively, at the upper and lower ends of the slider 71A. . The distance in the vertical direction between the upper slide portion 71g and the lower slide portion 71h is slightly smaller than the distance between the first guide plate 58b and the second guide plate 58c. Therefore, the slider 71A can slide in the depth direction along at least one of the lower surface of the first guide plate 58b and the upper surface of the second guide plate 58c.

As shown in FIG. 16, the upper slide portion 71g consists of two protrusions that protrude upward from the ends in the −X direction and +X direction at the upper portion of the slider 71A and extend in the depth direction. A recess 71r is formed between each upper slide portion 71g. Therefore, the contact area between each upper slide portion 71g and the first guide plate 58b is smaller than the area of the upper portion of the slider 71A.
The length of each upper slide portion 71g in the depth direction is approximately equal to the length from the locking plate 58d to each end of the first guide plate 58b and the second guide plate 58c in the -Y direction.
As shown in FIGS. 17 and 18, the lower slide portion 71h is a plane parallel to the upper slide portion 71g. In the example shown in FIGS. 17 and 18, the lower slide portion 71h is provided over the entire lower surface of the slider 71A except for the connecting shaft 71k.
In this way, the first guide plate 58b and the second guide plate 58c, and the first guide plate 58b between the first guide plate 58b and the second guide plate 58c, hold the slider 71A so that it can slide in the depth direction. A retaining groove is formed.

A guide groove 71p (concave-convex fitting structure) extending in the depth direction is formed on the side surface of the slider 71A in the -X direction. As shown in FIG. 12, the guide groove 71p is fitted into the guide protrusion 58h so as to be movable in the depth direction. In this way, the guide groove 71p and the guide protrusion 58h form a concave-convex fitting structure that allows the slider 71A and the guide protrusion 58h to fit relatively slidably.

As shown in FIG. 14, the top surfaces of the upper slide portion 71g and the lower slide portion 71h in the −Y direction are located on the same plane with the depth direction as the normal direction.
The distal end surface of the upper sliding portion 71g constitutes an upper locking portion 71e that locks onto the flat portion 61b from the -Y direction in a locked state.
The distal end surface of the lower sliding portion 71h constitutes a lower locking portion 71f that locks onto the flat portion 61b from the −Y direction in a locked state.
In this embodiment, the convex engaging portion 71a is an engaging portion that engages with the concave/convex engaging portion E in the vertical direction, and the upper locking portion 71e and the lower locking portion 71f are the engaging portions that engage with the concave/convex engaging portion E in the vertical direction. - It is an engaging part that engages in the Y direction.

The convex engaging portion 71a projects further in the −Y direction than the upper locking portion 71e and the lower locking portion 71f. In the example shown in FIG. 14, the convex engaging portion 71a protrudes from the center of the slider 71A in the height direction.
The shape of the convex engaging portion 71a is not particularly limited as long as it can engage with at least one of the lower engaging portion 61e and the upper sliding portion 71g of the groove portion 61c in the vertical direction.
In this embodiment, the concave groove portion 61c has a V-shape that opens in the +Y direction when viewed from the width direction, and the convex engagement portion 71a narrows in the −Y direction when viewed from the width direction. It is V-shaped.
For example, the convex engaging portion 71a has a lower engaging portion 71b, a distal end surface 71d, and an upper engaging portion 71c.
The lower engaging portion 71b is a flat portion extending in the horizontal direction.
The distal end surface 71d is bent in the +Z direction from the −Y direction end of the lower engaging portion 71b. The distance between the upper locking portion 71e and the lower locking portion 71f and the distal end surface 71d (the amount of protrusion of the convex engaging portion 71a) is d2. In this embodiment, the size of d2 is smaller than the depth d1 of the groove portion 61c.
The upper engaging portion 71c is an inclined surface that extends obliquely upward toward the +Y direction as it advances in the +Z direction from the upper end of the distal end surface 71d. The angle of inclination of the upper engaging portion 71c with respect to the lower engaging portion 71b is θ2. The magnitude of θ2 is not particularly limited as long as it is an acute angle. More preferably, θ2 is approximately the same as θ1.

In the center of the slider 71A, a hole 71i (first guide hole) that opens in the +Y direction is formed on the side opposite to the convex engaging part 71a (on the back side of the convex engaging part 71a).
Inside the slider 71A, on the +Y direction side from the opening of the hole 71i is a space 71q sandwiched between the upper slide portion 71g and the lower slide portion 71h. The space 71q has a size that allows the cylindrical portion 73a of the locking holder 73 to move relatively forward and backward in the depth direction.

The hole 71i has a size that allows the elastic member 72 to be accommodated therein. The shape of the hole 71i can be appropriately determined depending on the shape of the elastic member 72 to be accommodated. In the example shown in FIG. 18, the hole 71i has a cylindrical shape with a circular hole that follows the outer shape of the elastic member 72, since the elastic member 72 is made of a compression coil spring having a cylindrical outer shape.
As shown in FIG. 14, in this embodiment, the hole 71i guides the tip 72a of the elastic member 72 in an expandable and retractable manner. It is more preferable that the hole 71i has an inner diameter as close to the outer diameter of the elastic member 72 as possible within the range in which the tip 72a can expand and contract. For example, the inner diameter of the hole 71i may be the same as that of the cylindrical portion 73a.
However, the hole 71i is not limited to a cylindrical shape as long as it can guide the expansion and contraction of the elastic member 72. For example, the hole 71i may be a square hole.
The hole 71i extends from the back side of the convex engaging portion 71a to approximately the center of the slider 71A in the depth direction.
In this embodiment, the outer diameter of the cylindrical portion 73a is larger than the inner diameter of the hole 71i, so the cylindrical portion 73a cannot be inserted into the hole 71i. Therefore, the sum of the depth of the hole 71i and the depth of the cylindrical portion 73a defines the minimum length at which the elastic member 72 can be compressed. Therefore, when it is necessary to compress the elastic member 72 to the length L0, the sum of the depth of the hole 71i and the depth of the cylinder part 73a needs to be L1, which is smaller than L0. It is more preferable that the depth of the hole portion 71i and the depth of the cylindrical portion 73a are each about half of L1.
In the example shown in FIG. 14, the depth of the hole portion 71i and the depth of the cylindrical portion 73a are each about one-third to about two-fifths of the length of the elastic member 72 in the locked state. Thereby, when the operating lever 71B is pulled in the +Y direction and the elastic member 72 is most compressed, the elastic member 72 is substantially covered by the hole portion 71i and the cylinder portion 73a. Therefore, even if the elastic member 72 tries to curve during compression, the shape of the elastic member 72 is maintained in a substantially cylindrical shape.

In this embodiment, the base end 72b and the distal end 72a of the elastic member 72 are covered by the hole 71i and the cylindrical part 73a, respectively. Therefore, the base end 72b and the distal end 72a are not easily exposed to the humid air circulating inside the refrigerator 1. The distal and proximal ends of the elastic member 72 have cut portions of the wire due to processing, so if the wire is plated, for example, the plating will peel off and rust easily. In this embodiment, even if the strands are made of a material that is susceptible to rust, the distal end and base end of the elastic member 72 are not easily exposed to humid air, so that the progress of rust can be suppressed. Thereby, the manufacturing cost of the elastic member 72 can be reduced.
In addition, in this embodiment, the space surrounded by the cover 70 in which the elastic member 72 is housed has no through-hole communicating with the outside except for the opening 70h. Since the slider 71A moves forward and backward into the opening 70h, it is substantially blocked by the slider 71A. This structure also makes it difficult for the humid air circulating inside the refrigerator 1 to enter around the elastic member 72.

The operating lever 71B has a connecting shaft 71k and a lever main body 71j.
The connecting shaft 71k projects downward from the intermediate portion of the lower slide portion 71h of the slider 71A in the depth direction. The protruding position of the connecting shaft 71k is not particularly limited. However, it is more preferable that the protruding position of the connecting shaft 71k is behind the tip of the elastic member 72 held within the slide member 71 in the advancing direction (-Y direction) of the slide member 71. For example, in the example shown in FIG. 14, the connecting shaft 71k extends in the -Z direction from approximately the center in the depth direction of the lower slide portion 71h. In particular, in the example shown in FIG. 14, the upper end of a front section 71m, which will be described later, is located at the center of the lower slide section 71h in the depth direction.
The lever main body 71j is formed into a rod shape extending downward from the lower end of the connecting shaft 71k.
The front face portion 71m, which is the surface of the lever body 71j in the −Y direction, extends linearly downward and then gradually curves toward the −Y direction at the lower end. Therefore, the front portion 71m has a J-shape when viewed from the -X direction.
On the other hand, the rear surface portion 71n, which is the surface in the +Y direction of the lever body 71j, is a flat surface that extends linearly downward.

As explained above, the slide member 71 has a T-shape when viewed from the -X direction because the operating lever 71B extends from the middle part of the slider 71A. Therefore, a gap is easily formed between the engaging portion 71a that engages with the concave-convex engaging portion E and the operating lever 71B, in which the operator's finger is placed. In particular, as in the example shown in FIG. 14, when the upper end of the front part 71m is located approximately at the center of the lower slide part 71h, the lower end in the depth direction with respect to the rotation center of the moment of force acting from the operating lever 71B The lengths of the side slide portion 71h and the upper slide portion 71g are approximately equally divided. Therefore, the reaction force of the moment of force acting from the operating lever 71B is generated substantially equally at both ends of the lower slide portion 71h and the upper slide portion 71g in the depth direction. As a result, the slider 71A is more stably held by the first guide plate 58b and the second guide plate 58c against the moment of force from the operating lever 71B.
The length of the lever body 71j of the operation lever 71B may be long enough to allow the finger F to be placed on the lever body 71j.
The longer the length of the slider 71A, the more stable the forward and backward movement of the slider 71A is, so it is more preferable.

As shown in FIG. 3, the second case 56B has the same configuration as the first case 56A, except that it includes a case body 56aB instead of the case body 56aA. The case body 56aB may be the same member as the case body 56aA, or may be a member different in size, shape, etc. from the case body 56aA.
The second case 56B can be accommodated in a range from the inner surface of the protruding portion 61a of the rib 61C to the center of the flat portion 61b of the rib 61B in the width direction.

The third case 56C has the same configuration as the first case 56A, except that it includes a case body 56aC instead of the case body 56aA. The case body 56aC has a width in the width direction at least at the end in the +Y direction that is narrower than the distance in the width direction between the rail parts 64A and 64C. The third case 56C includes a first wall 56bC and a second wall 56cC that are shorter in width direction than the first wall 56b and second wall 56c in the first case 56A.
However, the length of the locking protrusion 57L in the third case 56C in the vertical direction is shorter than the vertical gap of the gap 64i. Therefore, the locking protrusion 57L in the third case 56C is movable in the depth direction through the gap 64i.
The length in the vertical direction of the locking projection 57R in the third case 56C is also the same as that of the locking projection 57L.
In the example shown in FIG. 3, an egg tray 56h is arranged inside the third case 56C.

Next, the engagement structure between the first case 56A and the rear member 53 will be described. However, since the engagement structure in the rib 61A and the rail portion 64A is the same as that in the rib 61B and the rail portion 64Ba, the description will focus on the engagement structure in the rib 61A and the rail portion 64A.
FIG. 19 is a sectional view showing the locked state of the door container in the refrigerator of the embodiment. FIG. 20 is a sectional view showing the unlocked state of the door container in the refrigerator of the embodiment.

As shown in FIG. 19, in the first case 56A in the locked state, the locking protrusion 57L is inserted into the space between the step portion 53c and the front surface 64d of the rail portion 64. The upper protrusion 57a and the lower protrusion 57b are in contact with the front surface 64d, respectively. A gap is formed between the flat portion 57d and the stepped portion 53c.
The slider 71A is urged in the -Y direction by the elastic member 72. As a result, the slider 71A is guided by the first guide plate 58b and the second guide plate 58c and advances in the -Y direction. The slider 71A protrudes in the -Y direction beyond the -Y direction opening of the cover 70.
The convex engaging portion 71a is inserted into one of the concave groove portions 61c in the concavo-convex engaging portion Ea. The upper locking portion 71e and the lower locking portion 71f are each pressed against the flat portion 61b adjacent to the groove portion 61c while being biased by the elastic member 72. Thereby, the longitudinal direction of the slider 71A is perpendicular to the plane portion 61b.
Since only the protruding portions of the convex engaging portion 71a from the upper locking portion 71e and the lower locking portion 71f are inserted into the recessed groove portion 61c, a gap is formed between the distal end surface 71d and the groove bottom portion 61f. has been done.
Since gravity acts downward on the first case 56A, the lower engaging portion 71b engages with the flat portion 61b. At this time, a gap is formed between the upper engaging part 71c and the upper engaging part 61g. That is, the convex engaging portion 71a engages with the concave/convex engaging portion Ea in the −Z direction.
However, if an external force is applied that pushes the first case 56A upward against its own weight, depending on the magnitude of the external force, the slider 71A may move upward along the flat portion 61b, causing the upper engaging portion 71c to move upward. It engages with the slide portion 71g.

In this way, the elastic member 72 is provided so as to sandwich the rail portion 64A and the uneven engaging portion Ea between the convex engaging portion 71a and the locking protrusion 57L, and to press the uneven engaging portion Ea. There is.
The pressing force f of the elastic member 72 is transmitted to the flat portion 61b by an upper locking portion 71e and a lower locking portion 71f that are spaced apart in the vertical direction.
The first case 56A is pulled in the +Y direction by the reaction force of this pressing force, so the upper convex portion 57a and the lower convex portion 57b each press the front surface 64d in the +Y direction with a force f of the same magnitude as the pressing force. do.
Note that the respective pressing positions in plan view are not strictly on the same straight line, but are in the vicinity of the side surface S of the rib 61A, and have a positional relationship in which they substantially face each other in the depth direction along the side surface S. Therefore, the rotational moment in the horizontal plane caused by the displacement of the pressing position in the width direction can be ignored.
In this embodiment, as shown in FIG. 19, the upper locking part 71e and the lower locking part 71f have a positional relationship in which they face each other in the depth direction between the upper convex part 57a and the lower convex part 57b in the vertical direction. . Therefore, no rotational moment in the vertical plane is generated due to deviations in the points of application of the respective pressing forces, so that the clamping state in the depth direction is stabilized.
The rear pressing area P1 between the pressing position of the upper locking part 71e in the vertical direction and the pressing position of the lower locking part 71f is the area from the pressing position of the upper protrusion 57a in the vertical direction to the pressing position of the lower protrusion 57b. It is not particularly limited as long as it overlaps the front pressing area P2 up to the position when viewed from the depth direction. However, it is more preferable that the rear pressing area P1 is within the range of the front pressing area P2, as in the example shown in FIG.

According to the present embodiment, the pressing force f of the elastic member 72 in the −Y direction is exerted by the upper locking portion 71e and the lower locking portion 71f, which are spaced apart from each other wider than the vertical width of the convex engaging portion 71a. It is transmitted to the rib 61A. Therefore, when viewed in the −X direction, the rail portion 64 and the concave-convex engaging portion E are connected to two points: the upper convex portion 57a and the lower convex portion 57b, and the upper locking portion 71e and the lower locking portion 71f. It is sandwiched between 2 points and 4 points in total.
Therefore, compared to the case where the pressing force on the rail portion 64 and the uneven engagement portion E is applied at one point each, a total of two points, or one point and two points, a total of three points, the first case 56A becomes difficult to rotate within a vertical plane that intersects the width direction. As a result, the first case 56A becomes less likely to rattle.

In such a locked state, the vertical position of the first case 56A is fixed according to the position of the groove portion 61c. In this embodiment, the vertical position of the first case 56A can be changed by releasing the locked state. However, since this operation is performed with the right refrigerator compartment door 11Ab open, in FIG. The η direction and the opposite, forward arrow when facing directly are described as the +η direction.
To release the locked state, as shown in FIG. 20, for example, the user's fingers F or the like are placed on the operating lever 71B, and the slide member 71 is moved back toward the locking holder 73 (in the +η direction).
At this time, since the slider 71A is sandwiched between the first guide plate 58b and the second guide plate 58c from above and below, its movement in the depth direction is guided by the first guide plate 58b and the second guide plate 58c. Further, since the guide groove 71p of the slider 71A is slidably fitted into the guide protrusion 58h, the slider 71A is guided in movement in the depth direction by the guide protrusion 58h.
Thereby, the moving direction of the slider 71A in the depth direction is stabilized. Therefore, even if the operator places his finger F on the lower end of the operating lever 71B and operates it, the slider 71A can stably move in the depth direction.

In particular, in this embodiment, the operating lever 71B extends from approximately the center of the lower slide portion 71h in the depth direction. Thereby, when the slider 71A rotates due to the moment of force acting from the operating lever 71B, the slider 71A rotates around the base of the operating lever 71B. Therefore, since the force acting on the first guide plate 58b and the second guide plate 58c from the slider 71A is approximately equal in the +η direction and the -η direction, the frictional force received from the first guide plate 58b and the second guide plate 58c is also It becomes almost equal. Therefore, the operator can easily move the slider 71A forward and backward by operating the control lever 71B.
At this time, the first guide plate 58b and the second guide plate 58c receive upward and downward forces from the slider 71A, respectively. If the rigidity of the first guide plate 58b and the second guide plate 58c is low, the distance between the first guide plate 58b and the second guide plate 58c will increase due to these forces, and there is a possibility that the slider 71A cannot be moved back and forth normally. However, in this embodiment, the first guide plate 58b and the second guide plate 58c are sandwiched between the cover 70 from the outside in the vertical direction. Therefore, the cover 70 has a function as a reinforcing member that suppresses an increase in the distance between the first guide plate 58b and the second guide plate 58c in the vertical direction. That is, since the first guide plate 58b and the second guide plate 58c are sandwiched by the cover 70 in the vertical direction, deformation of the first guide plate 58b and the second guide plate 58c that impede the forward and backward movement of the slider 71A can be suppressed. .

However, when the operator's finger F touches the lower end of the operating lever 71B, the moment of force acting on the slide member 71 increases, which increases the frictional force and makes it difficult for the slider 71A to move. There is a risk.
In this embodiment, the front portion 71m is J-shaped, and the lower end thereof protrudes in the −η direction. As a result, the operator's finger F is guided toward the upper end of the operating lever 71B, on which the finger F can more easily engage. In this case, the force from the finger F tends to act closer to the upper end of the operating lever 71B, making it easier to suppress an increase in frictional force due to rotation of the slider 71A.

When the operating lever 71B is pulled in the +η direction, the slider 71A moves in the +η direction. At this time, the elastic member 72 is compressed. At this time, the proximal end 72b and the distal end 72a of the elastic member 72 are guided by the cylindrical portion 73a and the hole 71i, respectively, so that the middle portion of the elastic member 72 is less likely to curve. Therefore, an elastic restoring force is generated in the elastic member 72 according to the amount of operation of the operating lever 71B, so when the force applied from the finger F to the operating lever 71B is relaxed, the slider 71A is biased by the elastic member 72. easily move in the -η direction.
The convex engaging portion 71a provided on the slider 71A retreats from the concave groove portion 61c. Thereby, the engagement between the slider 71A and the uneven engagement portion Ea is released.
When the amount of movement of the slider 71A becomes larger than the protrusion amount d2 of the convex engaging portion 71a, the distance between the locking protrusion 57L and the convex engaging portion 71a becomes equal to the distance between the front surface 64d and the flat portion 61b. Therefore, the locking protrusion 57L can be separated from the front surface 64d, and the convex engaging portion 71a can be separated from the flat portion 61b.
As a result, the locked state of the first case 56A on the +X direction side is released (unlocked state).

Similarly, in the first case 56A, the locking protrusion 57R and the locking portion 58R on the side surface in the −X direction sandwich the rail portion 64Ba and the uneven engagement portion Eb between the locking state and the unlocking state. can be switched. However, in the engagement structure of the rib 61B and the rail portion 64Ba, only the +X direction side in the width direction of the uneven engagement portion Eb is used.

In the first case 56A, movement in the vertical direction becomes possible when both locking states by the respective locking portions 58 in the width direction are released. Therefore, the first case 56A will not fall even if one operating lever of the lock portion 58 is moved only when taking stored items into or out of the refrigerator compartment 27A.

In this embodiment, each front surface 64d and step portions 53c, 53g of the rail portions 64A, 64Ba are planes extending in the vertical direction. Thereby, in the unlocked state, the locking protrusions 57L and 57R can move smoothly in the vertical direction along the respective gaps between the respective front surfaces 64d and the stepped portions 53c and 53g.

Similarly, in the second case 56B, the locking protrusion 57L and the locking part 58L on the side surface in the +X direction switch between the locked state and the unlocked state with the rail part 64Bc and the uneven engagement part Eb sandwiched between them. possible. However, in the engagement structure of the rib 61B and the rail portion 64Ba, only the −X direction side in the width direction of the uneven engagement portion Eb is used.
Furthermore, in the second case 56B, the locking protrusion 57R and the locking part 58R on the side surface in the -X direction can switch between the locked state and the unlocked state by sandwiching the rail part 64C and the uneven engagement part Ec therebetween. It is set in.

Similarly, in the third case 56C, the locking protrusion 57L and the locking portion 58L on the side surface in the +X direction switch between the locked state and the unlocked state with the rail portion 64A and the uneven engagement portion Ea sandwiched between them. possible.
Furthermore, in the third case 56C, the locking protrusion 57R and the locking part 58R on the side surface in the -X direction can switch between the locked state and the unlocked state by sandwiching the rail part 64C and the uneven engagement part Ec therebetween. It is set in.

Although the right refrigerator compartment door 11Ab has been described above, the left refrigerator compartment door 11Aa has the same configuration except that the width in the opening/closing direction and the width direction are different.
Although the internal configuration of the left refrigerator compartment door 11Aa is not particularly illustrated, an internal configuration similar to that of the right refrigerator compartment door 11Ab may be used.
However, depending on the width of the left refrigerator compartment door 11Aa in the width direction, the rib 61B may be omitted, for example. In this case, cases similar to the third case 56C may be arranged above and below inside the left refrigerator compartment door 11Aa.

Next, the operation of the refrigerator 1 will be explained, focusing on the operation of attaching and detaching the case 56.
21 and 22 are cross-sectional views illustrating the operation of attaching and detaching the door container in the refrigerator of the embodiment.

Each case 56 is attached to and detached from the rear member 53 in the above-described unlocked state with the right refrigerator compartment door 11Ab open.
For example, when attaching the first case 56A to the rear surface member 53, as shown in the first case 56Aa shown by the two-dot chain line in FIG. It is inserted in the −η direction toward the gap 64h between the rib 61F and the rib 61F.
Although not particularly shown, the lock portion 58R is also placed in the unlocked state and inserted in the −η direction toward the gap between the upper surface 64e of the rail portion 64Ba and the rib 61F.
After the locking projection 57L is inserted into the stepped portion 53c and the locking projection 57R (not shown) is inserted into the stepped portion 53g (not shown), the first case 56A is lowered (moved in the −Z direction).

Hereinafter, the operation of the side surface of the first case 56A in the +X direction shown in FIG. 21 will be mainly described.
When the first case 56A is further lowered, the locking protrusion 57L is inserted between the step portion 53c and the front surface 64d of the rail portion 64A.
Thereby, as shown in FIG. 22, the first case 56A can move in the vertical direction along the gap between the front surface 64d and the stepped portion 53c. In the present embodiment, the operating lever 71B extends downward from the approximate center of the slider 71A, so the finger F is inserted into the space between the tip of the slider 71A in the -η direction and the front surface 71m of the operating lever 71B. will be placed in In the present embodiment, even when the operation lever 71B is moved most in the −η direction within its movable range, a gap is formed between the plane portion 61b and the front portion 71m into which the finger F can be inserted. Therefore, the finger F is not pinched between the rib 61A and the operating lever 71B.
Further, since each operating lever 71B is located in the +η direction relative to the ribs 61A, 61B, and 61C, it can be easily recognized visually by the operator. For example, after releasing the finger F, the operator can easily put the finger F on the operating lever 71B again.

The operator moves the first case 56A in the vertical direction to an appropriate position where the first case 56A is desired to be fixed. At this time, since the concave and convex engaging portions Ea and Eb are visible to the operator, the position of the concave groove portion 61c with which the convex engaging portion 71a is to be engaged can be confirmed in advance.
After the operator moves the first case 56A to an appropriate position, the operator loosens the force of the finger F. The slide member 71 moves in the -η direction by the urging force from the elastic member 72.
At this time, if the concave groove portion 61c exists in the -η direction and a portion of the convex engaging portion 71a enters the concave groove portion 61c, a locked state shown by the solid line in FIG. 13 is formed.
That is, as shown in FIG. 6, an upper curved portion 61h and a lower curved portion 61d extending from the plane portion 61b toward the groove portion 61c are formed in the vicinity of the groove portion 61c, so that the convex engaging portion 71a Even if it is slightly deviated in the vertical direction from the position of the concave groove portion 61c, it is guided along the upper curved portion 61h to the upper engaging portion 61g or along the lower curved portion 61d to the lower engaging portion 61e.
In particular, when the convex engaging portion 71a comes into contact with the upper curved portion 61h or the upper engaging portion 61g, the reaction force components from these coincide with the direction of the self-weight component of the first case 56A, so that the first case 56A can be moved more smoothly. 1 case 56A is lowered. In this way, the lower engaging portion 71b comes into contact with the flat portion 61b.

On the other hand, if the deviation between the convex engaging part 71a and the groove part 61c is large, the flat part 61b comes into contact with the tip of the convex engaging part 71a. In this case, when the operator shifts the first case 56A in the vertical direction, the convex engaging portion 71a enters the adjacent concave groove portion 61c, and the locked state is formed as described above.

If the position of the first case 56A in the locked state is different from the desired position, the operator pulls the operating lever 71B in the +η direction to form the unlocked state, and then moves the protrusion into the other concave groove portion 61c in the same manner as described above. The shaped engaging portion 71a can be engaged.
In this embodiment, the upper side of the concave groove portion 61c consists of an upper engaging portion 61g that slopes in the +Z direction toward the +Y (+η) direction, and the lower side consists of a flat portion 61b that extends horizontally. Therefore, when the convex engaging portion 71a moves in the +η direction to some extent, it can move upward along the upper engaging portion 61g with some ease. However, it is difficult to lower the first case 56A in the range overlapping with the flat portion 61b. Therefore, the first case 56A is unlikely to fall while the locked state is being released.
Furthermore, in this embodiment, the lower curved portion 61d is formed below the opening of the groove portion 61c, so that even if the convex engaging portion 71a moves in the +η direction relative to the flat portion 61b, the lower curved portion 61d A steep fall is suppressed within the range of the curved portion 61d.
Similarly, since the upper curved portion 61h is formed above the opening of the groove portion 61c, even if the convex engaging portion 71a moves in the +η direction relative to the upper engaging portion 61g, the upper curved portion 61h In the range of , steep increases are suppressed.
This suppresses steep vertical movement of the first case 56A during the process of releasing the locked state.
In particular, if R2 is larger than R1, the curvature of the upper curved portion 61h will be greater than the curvature of the lower curved portion 61d, so the resistance to upward movement that requires a force to lift the first case 56A will be increased. Reduced. Thereby, the first case 56A can be smoothly moved upward.

The first case 56A shown by a solid line in FIG. 13 is engaged with the uppermost concave groove portion 61c in the concavo-convex engaging portion Ea.
The first case 56A can engage with any of the first to fifth concave grooves 61c from the top of the concavo-convex engaging portion Ea.
However, in this embodiment, since the first stopper 53d is provided, the locking projection 57L cannot move below the first stopper 53d, as shown by the locking projection 57Lb indicated by the two-dot chain line. As a result, even if each lock portion 58 of the first case 56A is unlocked intentionally or is unlocked due to a failure, the first case 56A can be locked with the fifth groove portion 61c from the top. It will not fall below the engagement position.

Next, an example of attaching the third case 56C to the rear member 53 will be described. However, as in the case of the first case 56A, the explanation will be centered on the +X direction end of the third case 56C.
To attach the third case 56C to the rear member 53, as shown in the third case 56Ca indicated by the two-dot chain line in FIG. Insert it in the -η direction.
After the locking protrusion 57La is inserted to the extent that it contacts the stepped portion 53c like the locking protrusion 57Lb indicated by the two-dot chain line, the operator moves the third case 56C in the vertical direction.
For example, the operator may raise the third case 56C as indicated by the solid line.
For example, the operator may once lower the third case 56C to a position where the locking protrusion 57Lc is engaged with the second stopper 53e from above, as indicated by the two-dot chain line. In this case, the lowering of the third case 56C is stopped by the locking protrusion 57Lc locking with the second stopper 53e, so the operator may take his hand off the third case 56C.
The operator can move the third case 56C upward to form a locked state in the same manner as the first case 56A described above. In the case of the third case 56C, a locked state can be formed in any one of the six lower groove grooves 61c in the concave-convex engaging portion Ea.
For example, the third case 56C shown by a solid line in FIG. 14 is engaged with the second concave groove portion 61c from the bottom in the concave-convex engaging portion Ea.

In this embodiment, since the second stopper 53e is provided on the ribs 61A, 61C, each locking protrusion 57 cannot move below the second stopper 53e. As a result, even if each lock portion 58 of the third case 56C is unlocked intentionally or is unlocked due to a failure, the falling position of the third case 56C is regulated by the second stopper 53e. Ru.
Furthermore, when the locking protrusion 57L is locked to the second stopper 53e, the rail portion 64A is disposed below the gap 64i in the +η direction, as shown by the locking protrusion 57Lc. Therefore, unless the operator lifts the third case 56C, the third case 56C will not come off in the +η direction through the gap 64i.

As explained above, according to the refrigerator 1 of the present embodiment, the case 56 has the lock portions 58 on both sides in the width direction, and the right refrigerator compartment door 11Ab and the left refrigerator compartment door 11Aa each have ribs. 61. The lock portion 58 has a slider 71A that can engage with the concave-convex engaging portion E of the rib 61. The engaging portion 71a of the slider 71A faces the concave/convex engaging portion E in a first direction from the inner surface 53a toward the storage chamber 27, and is connected to a concave portion opening toward the first direction (-Y direction). It is possible to engage with the concave-convex engaging portion E by advancing toward the concave-convex engaging portion E, which is made up of a protruding convex portion.
Thereby, in the refrigerator 1, it is easy to change the arrangement of the case 56 in the vertical direction.
Particularly, in this embodiment, the lock portion 58, which is disposed in the −η direction relative to the concave-convex engaging portion E, is brought into the locked state by operating the operating lever 71B, which is also disposed in the −η direction relative to the concave-convex engaging portion E. Since the unlocked state can be changed, the operation by the operator becomes easier.
Furthermore, the operation is facilitated by the fact that the operating direction of the operating lever 71B and the extending/contracting direction of the elastic member 72 match. In addition, when the operating direction of the operating lever 71B and the expanding/contracting direction of the elastic member 72 match, the structure of the locking portion 58 becomes simple, so that the locking portion 58 can be made smaller.

Although the above embodiment has been described as an example in which the clamping mechanisms on both sides of each door container are bilaterally symmetrical, at least one of the structure and arrangement of each clamping mechanism does not have to be bilaterally symmetrical. In this case, at least one of the shape and arrangement of the concave-convex engaging portion and the rail portion that engage with each holding mechanism may be provided asymmetrically.

In the above embodiment, the concave groove portion 61c of the rib 61B is described as passing through the tip of the rib 61B in the width direction. In this case, since the gap between the lock portion 58R of the first case 56A and the lock portion 58L of the second case 56B can be narrowed, the accommodation space for the first case 56A and the second case 56B can be increased. be able to.
However, if there is sufficient space for accommodating the first case 56A and the second case 56B, the groove portion 61c may be divided in the width direction. For example, a rib such as an appropriate protrusion or protrusion may be provided in the center portion of the rib 61B in the thickness direction, dividing the groove portion 61c into right and left sides and protruding beyond the groove portion 61c.

In the above embodiment, the holding mechanism has been described as having a convex engaging portion that engages with the recess of the concave/convex engaging portion as the engaging portion. However, the engaging portion of the holding mechanism may be a concave engaging portion that engages with the convex portion of the concavo-convex engaging portion.

In the above embodiment, the case has been described as being engaged with the first wall portion and the second wall portion by the holding mechanism 60 holding the concavo-convex engaging portion E and the rail portion 64. However, the engagement structure between the case and the first wall portion and the second wall portion is not limited to such an engagement structure.

In the above embodiment, each locking protrusion has been described as consisting of a single protrusion that is long in the vertical direction. However, each locking protrusion may be a plurality of protrusions that are spaced apart in the vertical direction and protrude in the width direction. Furthermore, the shape of the locking protrusion is not limited to a shape that is elongated in the vertical direction. For example, the locking protrusion may have a round bar shape or a square bar shape with substantially the same length in the vertical direction and the depth direction.

In the above embodiment, the distal end 72a and the proximal end 72b of the elastic member 72 are held in the hole of the slider 71A and the locking holder 73, respectively. However, the distal end portion 72a and the proximal end portion 72b may be held by shaft-like members inserted inside each of them.

According to at least one embodiment described above, the uneven engaging portion faces in the first direction the uneven engaging portions provided on the first wall portion and the second wall portion provided on the door container. Since the engaging mechanism that engages with the door container is provided on both sides of the door container, it is possible to provide a refrigerator in which the arrangement of the door container can be easily changed.

Although several embodiments of the invention have been described, these embodiments are presented by way of example and are not intended to limit the scope of the invention. These embodiments can be implemented in various other forms, and various omissions, substitutions, and changes can be made without departing from the gist of the invention. These embodiments and their modifications are included within the scope and gist of the invention as well as within the scope of the invention described in the claims and its equivalents.

DESCRIPTION OF SYMBOLS 1... Refrigerator, 11... Door, 11Aa... Left refrigerator compartment door (door), 11Ab, 31, 32... Right refrigerator compartment door (door), 27... Storage room, 27A... Refrigerator compartment, 53... Rear surface member, 53a, 53b ...Inner surface part, 56...Case (door container), 56A, 56Aa, 56Ab...First case (door container), 56B...Second case (door container), 56C...Third case (door container), 56d...First Side wall part (retaining groove), 56e... Second side wall part (holding groove), 57, 57L, 57R, 57La, 57Lb, 57Lc, 87, 87L, 87R... Locking protrusion, 58, 58L, 58R, 98, 98L, 98R... Lock part (engaging mechanism), 58e... Mounting part, 58b... First guide plate (holding groove), 58c... Second guide plate (holding groove), 58h... Guide projection (uneven fitting structure), 60, 60L, 60R... Holding mechanism, 61A, 61B, 61C... Rib (first wall part, second wall part), 61b... Plane part (convex part), 61c, 67c... Concave groove part (concave part), 66, 64A , 64Ba, 64Bc, 64C...Rail portion, E, Ea, Eb, Ec...Concave/convex engaging portion, 70...Cover (reinforced cover), 71...Sliding member (engaging portion), 71a, 91a...Convex engaging portion , 71p... Guide groove (concave-convex fitting structure), 71i... Hole (first guide hole), 71A... Slider (cap member), 71B... Operation lever, 72... Elastic member (compression coil spring), 72a... Tip ( 1st end), 72b...base end (second end), 73...locking holder (holding member), 73a...cylindrical part (second guide hole), F...finger, S, Sm, Sp...side surface

Claims (10)

A refrigerator body including a storage room,
a door that allows the storage room to be opened and closed;
a first wall portion that protrudes from the inner surface of the door in a first direction toward the storage room and extends in the vertical direction;
a second wall portion that protrudes from the inner surface portion in the first direction, extends in the vertical direction, and faces the first wall portion in a second direction intersecting the first direction;
a protrusion extending in the second direction along the upper side of the inner surface;
a concave-convex engaging portion provided on each of the first wall portion and the second wall portion, the concave-convex engaging portion having an open concave portion and a convex portion protruding adjacent to the concave portion in the vertical direction;
a rail portion extending in the vertical direction on side surfaces facing each other in the first wall portion and the second wall portion;
a step portion extending in the vertical direction on the side surface and provided closer to the inner surface than the rail portion;
a door container that is movable in the vertical direction between the first wall part and the second wall part along the rail part;
an engagement mechanism provided on both sides of the door container, facing the concave-convex engaging portion and capable of engaging with the concave-convex engaging portion;
Equipped with
The door container includes a locking protrusion that is movable in the vertical direction along the space between the front surface of the rail part and the step part ,
A gap is formed between the upper surface of the rail part and the protrusion, and the length of the gap in the vertical direction is longer than the length of the locking protrusion in the vertical direction, and the length of the gap in the vertical direction is longer than the length of the locking protrusion in the vertical direction. shorter than the length of
The rail portion includes the front surface that is in contact with the locking protrusion of the door container, the rear surface that is spaced apart from the front surface in the first direction, and a plurality of rails that are arranged in the vertical direction and connect the front surface and the rear surface. having a rib;
a stopper is provided to connect the step portion and the front surface of the rail portion;
refrigerator. The engagement mechanism is
an engaging portion that is provided so as to be movable toward the concave-convex engaging portion and that can be engaged with the concave-convex engaging portion at least in the vertical direction at a distal end portion in the advancing direction;
an elastic member that expands and contracts in the advancing direction and generates a biasing force;
Equipped with
The refrigerator according to claim 1. The engagement mechanism is
a cap member that accommodates therein a first end of the elastic member in the advancing direction and having the engaging portion provided at the distal end in the advancing direction;
an operating lever protruding from the cap member in a direction intersecting the advancing direction;
a guide member that guides the forward and backward movement of the cap member in the advancing direction;
further comprising;
The refrigerator according to claim 2. the operating lever protrudes from an intermediate portion of the cap member in the advancing direction;
The refrigerator according to claim 3. The operating lever extends downward from the lower surface of the cap member.
The refrigerator according to claim 3 or 4. The guide member is
a plate-shaped portion extending in the first direction, protruding outward from the side portion of the door container and facing each other in the up-down direction;
The engagement mechanism is
further comprising a reinforcing cover that clamps the plate-like portion from the outside in the up-down direction;
The refrigerator according to any one of claims 3 to 5. The elastic member is
is inserted into the inside of a cylindrical part surrounded by the side part of the door container, the plate part, and the reinforcing cover,
A through hole communicating with the cylindrical part is not formed in the side part;
The refrigerator according to claim 6. The reinforcing cover does not have a through hole communicating with the cylindrical part.
The refrigerator according to claim 7. A refrigerator body including a storage room,
a door that allows the storage room to be opened and closed;
a first wall portion that protrudes from the inner surface of the door in a first direction toward the storage room and extends in the vertical direction;
a second wall portion that protrudes from the inner surface portion in the first direction, extends in the vertical direction, and faces the first wall portion in a second direction intersecting the first direction;
a protrusion extending in the second direction along the upper side of the inner surface;
a concave-convex engaging portion provided on each of the first wall portion and the second wall portion, the concave-convex engaging portion having an open concave portion and a convex portion protruding adjacent to the concave portion in the vertical direction;
a rail portion extending in the vertical direction on side surfaces facing each other in the first wall portion and the second wall portion;
a door container that is movable in the vertical direction between the first wall part and the second wall part along the rail part;
an engagement mechanism provided on both sides of the door container, facing the concave-convex engaging portion and capable of engaging with the concave-convex engaging portion;
Equipped with
The door container includes a locking protrusion that is movable in the vertical direction along the front surface of the rail portion,
A gap is formed between the upper surface of the rail part and the protrusion, and the length of the gap in the vertical direction is longer than the length of the locking protrusion in the vertical direction, and the length of the gap in the vertical direction is longer than the length of the locking protrusion in the vertical direction. shorter than the length of
The engagement mechanism is
an engaging portion that is provided so as to be movable toward the concave-convex engaging portion and that can be engaged with the concave-convex engaging portion at least in the vertical direction at a distal end portion in the advancing direction;
an elastic member that expands and contracts in the advancing direction and generates a biasing force;
Equipped with
The engagement mechanism is
a cap member that accommodates therein a first end of the elastic member in the advancing direction and having the engaging portion provided at the distal end in the advancing direction;
an operating lever protruding from the cap member in a direction intersecting the advancing direction;
a guide member that guides the forward and backward movement of the cap member in the advancing direction;
Furthermore,
The operating lever extends downward from the lower surface of the cap member.
refrigerator. A refrigerator body including a storage room,
a door that allows the storage room to be opened and closed;
a first wall portion that protrudes from the inner surface of the door in a first direction toward the storage room and extends in the vertical direction;
a second wall portion that protrudes from the inner surface portion in the first direction, extends in the vertical direction, and faces the first wall portion in a second direction intersecting the first direction;
a protrusion extending in the second direction along the upper side of the inner surface;
a concave-convex engaging portion provided on each of the first wall portion and the second wall portion, the concave-convex engaging portion having an open recess and a convex portion protruding adjacent to the recess in the vertical direction;
a rail portion extending in the vertical direction on side surfaces facing each other in the first wall portion and the second wall portion;
a door container that is movable in the vertical direction between the first wall part and the second wall part along the rail part;
an engagement mechanism provided on both sides of the door container, facing the concave-convex engaging portion and capable of engaging with the concave-convex engaging portion;
Equipped with
The door container includes a locking protrusion that is movable in the vertical direction along the front surface of the rail portion,
A gap is formed between the upper surface of the rail part and the protrusion, and the length of the gap in the vertical direction is longer than the length of the locking protrusion in the vertical direction, and the length of the gap in the vertical direction is longer than the length of the locking protrusion in the vertical direction. shorter than the length of
The engagement mechanism is
an engaging portion that is provided so as to be movable toward the concave-convex engaging portion and that can be engaged with the concave-convex engaging portion at least in the vertical direction at a distal end portion in the advancing direction;
an elastic member that expands and contracts in the advancing direction and generates a biasing force;
Equipped with
The engagement mechanism is
a cap member that accommodates therein a first end of the elastic member in the advancing direction, and the engaging portion is provided at the distal end in the advancing direction;
an operating lever protruding from the cap member in a direction intersecting the advancing direction;
a guide member that guides the forward and backward movement of the cap member in the advancing direction;
Furthermore,
The guide member is
a plate-shaped portion extending in the first direction, protruding outward from the side portion of the door container and facing each other in the up-down direction;
The engagement mechanism is
further comprising a reinforcing cover that clamps the plate-like portion from the outside in the up-down direction;
refrigerator.

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