JP2021076350A - refrigerator - Google Patents

Abstract

To provide a refrigerator capable of easily changing arrangement of door containers, and suppressing rattling of the door containers.SOLUTION: A refrigerator has a refrigerator body, a door, a first wall body portion, a second wall body portion, concavo-convex engagement portions, rail portions, and door containers. The first wall body portion and the second wall body portion are vertically extended and opposed to each other. The concavo-convex engagement portions are disposed on the first wall body portion and the second wall body portion. The rail portions are disposed at an inner face portion side with respect the concavo-convex engagement portions, of the first wall body portion and the second wall body portion. The rail portions are respectively projected from side faces of the first wall body portion and the second wall body portion, and extended in the vertical direction. The door containers are vertically movable along the rail portions between the first wall body portion and the second wall body portion, and include holding mechanisms at both side portions. The holding mechanisms can be engaged with the concavo-convex engagement portions at least in the vertical direction, and hold the rail portions and the concavo-convex engagement portions.SELECTED DRAWING: Figure 3

Description

Embodiments of the present invention relate to refrigerators.

It is known that a removable door pocket (door container) is provided on the door of a storage room in a refrigerator. It is desirable that the position of the door pocket can be easily changed. On the other hand, it may be preferable that the rattling of the door pocket is suppressed at each arrangement position.

Japanese Patent No. 5511734 Japanese Patent No. 5656751

An object to be solved by the present invention is to provide a refrigerator in which the arrangement of the door container can be easily changed and the rattling of the door container can be suppressed.

The refrigerator of the embodiment has a refrigerator main body, a door, a first wall body portion, a second wall body portion, an uneven engagement portion, a rail portion, and a door container. The refrigerator body includes a storage room. The door closes the storage room so that it can be opened and closed. The first wall body portion projects in the first direction from the inner surface portion of the door toward the storage chamber, and extends in the vertical direction. The second wall body portion projects in the first direction from the inner surface portion and extends in the vertical direction. The second wall body portion faces the first wall body portion in the second direction intersecting the first direction. The concave-convex engaging portion is provided on the first wall body portion and the second wall body portion, respectively. The rail portion is arranged on the inner surface side of the uneven engaging portion in the first wall body portion and the second wall body portion. The rail portion protrudes from the side surfaces facing each other in the first wall body portion and the second wall body portion, and extends in the vertical direction. The door container can move up and down between the first wall body portion and the second wall body portion along the rail portion. Further, the door container has a holding mechanism on both sides thereof. The pinching mechanism can engage the concave-convex engaging portion at least in the vertical direction, and can sandwich the rail portion and the concave-convex engaging portion in the first direction.

The perspective view which shows the refrigerator of 1st Embodiment. FIG. 2 is a cross-sectional view taken along the line F2-F2 of the refrigerator shown in FIG. The perspective view which shows the right refrigerating room door in 1st Embodiment. The perspective view which shows the rear surface member of the right refrigerating room door in 1st Embodiment. The perspective view which shows the rear surface member of the right refrigerating room door in 1st Embodiment. FIG. 4A is a cross-sectional view taken along the line F5-F5 of the refrigerator shown in FIG. 4A. An enlarged view of the F6 part of the refrigerator shown in FIG. FIG. 4 is a cross-sectional view taken along the line F7-F7 of the refrigerator shown in FIG. 4A. The perspective view which shows an example of the door container in 1st Embodiment. An exploded perspective view of the door container shown in FIG. FIG. 8 is a cross-sectional view taken along the line F10-F10 of the door container shown in FIG. The cross-sectional view which shows the locked state of the door container in the refrigerator of 1st Embodiment. The cross-sectional view which shows the unlocked state of the door container in the refrigerator of 1st Embodiment. FIG. 5 is a cross-sectional view illustrating the operation of attaching and detaching the door container in the refrigerator of the first embodiment. FIG. 5 is a cross-sectional view illustrating the operation of attaching and detaching the door container in the refrigerator of the first embodiment. The perspective view which shows an example of the door container in the refrigerator of 2nd Embodiment. FIG. 5 is a cross-sectional view showing a locked state of a door container in the refrigerator of the second embodiment. The exploded perspective view which shows an example of the door container in the refrigerator of 3rd Embodiment. The cross-sectional view which shows the locked state of the door container in the refrigerator of 3rd Embodiment.

Hereinafter, the refrigerator of the embodiment will be described with reference to the drawings. In the following description, configurations having the same or similar functions are designated by the same reference numerals. For example, members having plane-symmetrical shapes may have the same reference numerals. Then, the duplicate description of those configurations may be omitted.
Unless otherwise specified, this specification defines up, down, left, and right based on the direction in which the user standing in front of the refrigerator looks at the refrigerator. In addition, the side closer to the user standing in front of the refrigerator when viewed from the refrigerator is defined as "front", and the side far from the refrigerator is defined as "rear". In the present specification, the "width direction" means the left-right direction in the above definition. In the present specification, the "depth direction" means the front-back direction in the above definition. "Vertical direction" means the height direction of the refrigerator.
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, which are indicated by arrow lines in the figure.

(First Embodiment)
The refrigerator 1 of the first embodiment will be described with reference to FIGS. 1 to 14. First, the overall configuration of the refrigerator 1 will be described. However, the refrigerator 1 does not have to have all of the configurations described below, and some configurations may be omitted as appropriate.

FIG. 1 is a perspective view showing the refrigerator 1. FIG. 2 is a cross-sectional view taken along the line F2-F2 of the refrigerator 1 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 component 14, a cooling unit 15, and a control board 16. Have. In the present embodiment, the refrigerator main body 5 is formed by the above-mentioned configuration 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, a 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. As a result, the housing 10 has a heat insulating property.

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 up from the rear end of the lower wall 22 and connects 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 chambers 27 include, for example, a refrigerator compartment 27A, a vegetable compartment 27B, an ice making chamber 27C, a small freezing chamber 27D, and a main freezing chamber 27E. In the present embodiment, the refrigerating chamber 27A is arranged at the uppermost part, the vegetable compartment 27B is arranged below the refrigerating chamber 27A, the ice making chamber 27C and the small freezing chamber 27D are arranged below the vegetable chamber 27B, and the ice making chamber 27C and the small freezing chamber 27D are arranged. The main freezing chamber 27E is arranged below the small freezing chamber 27D. However, the arrangement of the storage chamber 27 is not limited to the above example, and for example, the ice making chamber 27C and the small freezing chamber 27D are arranged below the refrigerating chamber 27A, and the main freezing chamber is arranged below the ice making chamber 27C and the small freezing chamber 27D. The 27E may be arranged and the vegetable compartment 27B may be arranged below the main freezing chamber 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 closed by the plurality of doors 11 so as to be openable and closable. The plurality of doors 11 include, for example, the left and right refrigerating room doors 11Aa and 11Ab that close the opening of the refrigerating room 27A, the vegetable room door 11B that closes the opening of the vegetable room 27B, the ice making room door 11C that closes the opening of the ice making room 27C, and small freezing. Includes a small freezer door 11D that closes the opening of chamber 27D and a main freezer door 11E that closes the opening of the main freezer 27E.

The left refrigerating room door 11Aa and the right refrigerating room door 11Ab provided adjacent to each other on the left and right 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 refrigerating chamber door 11Aa and the right refrigerating chamber door 11Ab close the storage chamber 27 so as to be openable and closable.
In the present embodiment, the width of the right refrigerating room door 11Ab in the horizontal width direction is larger than the width of the left refrigerating room door 11Aa in the horizontal width direction.
Although not particularly shown, in the present embodiment, an operation / display area of the operation panel unit may be provided on at least one surface of the left refrigerating room door 11Aa and the right refrigerating room door 11Ab.
The detailed configuration of the right refrigerator door 11Ab will be described later.

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

As shown in FIG. 2, the housing 10 has first and second partition portions 28 and 29. The first and second partition portions 28 and 29 are, for example, partition walls along a substantially horizontal direction, respectively. The first partition 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 29 is located between the vegetable compartment 27B and the ice making chamber 27C and the small freezing chamber 27D, and partitions the vegetable compartment 27B from the ice making chamber 27C and the small freezing chamber 27D. .. No partition wall is provided between the ice making chamber 27C and the small freezing chamber 27D and the main freezing chamber 27E.

The plurality of shelves 12 are arranged in the refrigerator compartment 27A.
The plurality of containers 13 are arranged in the refrigerating chamber container 13A (for example, the chilled chamber container) arranged in the refrigerating chamber 27A, the first and second vegetable chamber containers 13Ba and 13Bb arranged in the vegetable compartment 27B, and the ice making chamber 27C. The ice making chamber container (not shown), the small freezing chamber container 13D arranged in the small freezing chamber 27D, and the first and second main freezing chamber containers 13Ea and 13Eb arranged in the main freezing chamber 27E are included.

The flow path forming component 14 is arranged in 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 which is a passage through which cold air (air) flows is formed between the first duct component 14A and the rear wall 25 of the housing 10. The first duct component 14A has a plurality of cold air outlets h1 opened in the refrigerating chamber 27A and a cold air return port h2 opened in 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, which is a passage through which cold air (air) flows, is formed between the second duct component 14B and the rear wall 25 of the housing 10. The second duct component 14B has a plurality of cold air outlets h3 opened in the ice making chamber 27C, the small freezing chamber 27D, and the like, and a cold air return port h4 opened in the main freezing chamber 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 chamber 27B through the cold air return port h2 and blows it out from the plurality of cold air outlets h1 to the refrigerating chamber 27A. As a result, cold air is circulated in the refrigerating chamber 27A and the vegetable compartment 27B, and the refrigerating chamber 27A and the vegetable compartment 27B are cooled.
The second cooling unit 15B cools the air returning from the main freezing chamber 27E through the cold air return port h4 and blows it out from the cold air outlet h3 to the ice making chamber 27C, the small freezing chamber 27D, and the main freezing chamber 27E. As a result, air is circulated in the ice making chamber 27C, the small freezing chamber 27D, and the main freezing chamber 27E, and the ice making chamber 27C, the small freezing chamber 27D, and the main freezing chamber 27E are cooled.
The compressor 45 is provided, for example, in the machine room at the bottom of the refrigerator 1. The compressor 45 compresses the refrigerant gas used for cooling the 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 radiating pipe or the like.

The control board 16 comprehensively controls the entire refrigerator 1. 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 the temperature sensors provided in the refrigerating chamber 27A, the main freezing chamber 27E, and the like.

Next, the detailed configuration of the right refrigerating room door 11Ab will be described.
FIG. 3 is a perspective view showing the right refrigerating room door 11Ab. The right refrigerating room door 11Ab includes, for example, an outer shell member 50 and a gasket 55. The outer member 50 is formed in a box shape. The "box shape" as used herein also includes a flat box shape. The outer member 50 has, for example, a frame body 51, a front plate 52 (see FIG. 1), and a rear member 53.
On the inner surface side of the right refrigerating chamber door 11Ab, a plurality of cases 56 (door containers) provided so that the arrangement positions can be moved in the vertical direction and a case 59 in which the arrangement positions are fixed in the vertical direction can be attached and detached. It is 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 arranged close to the rib 61G at the lower end of the rear member 53.

The frame body 51 is formed in a rectangular frame shape. The frame body 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 along the width direction and the depth direction, and forms the upper surface of the right refrigerating room door 11Ab. The lower side member 51b has a plate shape along the width direction and the depth direction, and forms the lower surface of the right refrigerating room door 11Ab. The left side member 51c has a plate shape along the vertical direction and the depth direction, and forms the left side surface of the right refrigerating room door 11Ab. The right side member 51d has a plate shape along the vertical direction and the depth direction, and forms the right side surface of the right refrigerating room door 11Ab. The frame body 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 body 51 is made of, for example, a synthetic resin.

The front plate 52 (see FIG. 1) is attached to the frame 51 and is located at the front end of the right refrigerating room door 11Ab. The front plate 52 is a plate member along the vertical direction and the horizontal direction, and forms the front surface of the right refrigerating room door 11Ab. The front plate 52 is, for example, a glass plate. However, the front plate 52 is not limited to the glass plate, and may be formed of a synthetic resin or another material.
The front plate 52 may be a flat plate or a curved plate. Hereinafter, the front plate 52 will be described with an example of a flat plate.

The rear member 53 is attached to the frame 51 from the side opposite to the front plate 52, and is located at the rear end of the right refrigerating room door 11Ab. The outer shape of the rear surface member 53 when viewed from the −Y direction is rectangular along the frame body 51. The rear surface member 53 forms the rear surface of the right refrigerating chamber door 11Ab. The rear surface member 53 is made of, for example, a synthetic resin.
The rear surface member 53 has flat inner surface portions 53a and 53b along the front plate 52, and ribs 61 protruding rearward from the inner surface portions 53a and 53b. In the example shown in FIG. 3, the inner surface portions 53a and 53b are parallel to the front plate 52.
The rib 61 is in the + Y direction (first direction) toward the refrigerating chamber 27A (storage chamber) from the frame 51 and the inner surface portions 53a and 53b in a state where the right refrigerating chamber door 11Ab is closed with respect to the housing 10. It is protruding.
In the present specification, the term "rib" is a name for convenience of explanation, broadly means a portion protruding rearward from the rear surface member 53, and is not limited to a specific shape or action.

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

Although not particularly shown, the space between the rear member 53 and the front plate 52 and the inside of the convex shape of the rib 61 are filled with an effervescent heat insulating material. As the foamed heat insulating material arranged on the back side of the rear surface member 53, the same material as the foamed heat insulating material 10c described above may be used.
The above-mentioned annular rib group in the rib 61 is mainly provided to prevent the cold air in the refrigerating chamber 27A (storage chamber) from escaping from the gap between the right refrigerating chamber door 11Ab and the housing 10. ..

The gasket 55 is attached to the rear surface member 53. More specifically, the rear member 53 has a throat 63 that is a recess that is recessed toward the inside of the right refrigerating room door 11Ab. For example, the throat 63 is formed in an annular shape surrounding the outer peripheral side of the rib 61.
The gasket 55 has a gasket body 55a and a gasket mounting portion 55b. The gasket body 55a is formed in an annular shape that surrounds the outer peripheral side of the rib 61. The gasket body 55a is provided between the right refrigerating chamber door 11Ab and the housing 10 (or the right refrigerating chamber door 11Ab and a rotating partition plate (not shown) when the right refrigerating chamber door 11Ab is closed with respect to the housing 10. (Between), the gap between the right refrigerating room door 11Ab and the housing 10 (or between the right refrigerating room door 11Ab and the rotary partition plate) is closed. The gasket mounting portion 55b is attached to the throat 63 by being inserted into the throat 63 provided on the rear member 53 of the right refrigerating chamber door 11Ab. As a result, the gasket 55 is fixed to the rear member 53.
The gasket 55 is used to seal the cold air in the refrigerating chamber 27A (storage chamber) so that it does not leak to the outside from between the right refrigerating chamber door 11Ab and the housing 10 when the right refrigerating chamber door 11Ab is closed. It is provided.

Here, the detailed configuration of the rear surface member 53 will be described.
4A and 4B are perspective views showing a rear member of the right refrigerating chamber door according to the first embodiment. 4A and 4B differ only in the direction of the perspective. FIG. 5 is a cross-sectional view taken along line F5-F5 of the refrigerator shown in FIG. 4A. FIG. 6 is an enlarged view of the F6 portion of the refrigerator shown in FIG. FIG. 7 is a cross-sectional view taken along the line F7-F7 of the refrigerator shown in FIG. 4A.

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

As shown in FIG. 4A, the rib 61A projects in the + Y direction from the end of the inner surface portion 53a in the + X direction. The rib 61A extends from the rib 61F in the vertical direction to the position of the boundary portion between the inner surface portions 53a and 53b.
A ridge portion 61a is formed on the + X direction side at the tip portion of the rib 61A in the protruding direction. The ridge portion 61a projects in the same direction as the rib 61A, and is formed over the entire length of the rib 61A in the vertical direction. The ridge portion 61a forms the tip of the rib 61A in the projecting direction.
On the other hand, the tip of the rib 61F in the protruding direction is retracted in the −Y direction from the rib 61A. Therefore, when viewed from above, a U-shaped opening that opens in the + Y direction is formed between the rib 61A and the rib 61B. The same applies to 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 about half of 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 it does not interfere with the attachment / detachment of 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 surface portion 61b is formed on the −X direction side of the ridge portion 61a at a position lower than the tip of the ridge portion 61a in the protruding direction (position on the −Y direction side). Has been done. The flat surface portion 61b has a flat surface shape parallel to the inner surface portion 53a.
The flat surface portion 61b is formed in the vertical direction over the entire length of the rib 61A, similarly to the ridge portion 61a.

A plurality of concave groove portions 61c (recesses) are formed in the flat surface portion 61b with a gap in the vertical direction. Therefore, at the tip of the rib 61A in the protruding direction, the flat surface portion 61b and the concave groove portion 61c are alternately formed in the vertical direction on the −X direction side of the ridge portion 61a. The flat surface portion 61b and the concave groove portion 61c form a concave-convex engaging portion E as a whole. Hereinafter, when it is clearly indicated that the rib 61A is the concave-convex engaging portion E, it is referred to as the concave-convex engaging portion Ea.
The concave groove portion 61c is a concave portion in the concave-convex engaging portion E. The flat surface portion 61b is a relative convex portion in the concave-convex engaging portion E.

The shape of the concave groove portion 61c is not particularly limited as long as it is a shape that can be engaged with the engaging portion in the holding mechanism described later.
In the example shown in FIG. 5, the concave groove portion 61c has a V shape that opens in the + Y direction when viewed from the lateral width direction. More specifically, as shown in FIG. 6, the concave groove portion 61c includes a lower curved portion 61d, a lower engaging portion 61e (first horizontal surface portion), a groove bottom portion 61f, and an upper engaging portion 61g (first inclined surface portion). ), And has an upper curved portion 61h.
The lower curved portion 61d is curved in an arc shape that is convex outward from the upper end of the flat surface portion 61b in the −Y direction. 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 surface portion extending in the −Y direction from the end portion of the lower curved portion 61d in the −Y direction. The end of the lower engaging portion 61e in the + Y direction is smoothly connected to the flat surface portion 61b by the lower curved portion 61d.
The groove bottom portion 61f is an end face in the concave groove portion 61c in the −Y direction. The groove bottom portion 61f may be, for example, a curved surface curved in an arc shape, or a flat surface having a depth direction as a normal direction. The distance from the flat surface portion 61b to the groove bottom portion 61f is d1.
The upper engaging portion 61g is an inclined surface extending diagonally upward in the + Y direction as it advances in the + Z direction from the upper end of the groove bottom portion 61f. The inclination angle with respect to the lower engaging portion 61e of the upper engaging portion 61g is θ1. The size of θ1 is not particularly limited as long as it has an acute angle.
The upper curved portion 61h is curved in an arc shape that is convex 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, it is more preferable that R2 is larger than R1.

In the present embodiment, the concave-convex engaging 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 of the concave groove portions 61c in the concave-convex engaging portion Ea and the arrangement interval are appropriately set according to the arrangement positions required for the first case 56A and the third case 56C. The number and arrangement interval shown in FIG. 5 and the like are examples.
In the example shown in FIG. 5, the number of concave groove portions 61c is 11. The concave groove portions 61c are formed at equal intervals in the vertical direction. Of these, the upper five are provided for the arrangement of the first case 56A. The lower six are provided for the placement of the third case 56C.

The protruding height of the ridge portion 61a from the flat surface portion 61b (the amount of depression of the flat surface portion 61b from the tip of the ridge portion 61a) is not particularly limited. For example, the protruding height of the ridge portion 61a may be an appropriate height that makes it difficult to see the uneven engaging portion Ea.
When the rib 61A is viewed from the −X direction, the ridge portion 61a covers the flat surface portion 61b and the concave groove portion 61c, so that the concave-convex engaging portion Ea is hidden. As a result, the uneven engaging portion Ea becomes difficult to see, so that the appearance of the right refrigerating room door 11Ab is improved.

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 in an elongated line in the vertical direction.
As shown in FIG. 5, the rail portion 64A is arranged on the inner surface portion 53a side of the concave-convex engaging 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 seen 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 inner configuration of the first rail portion 64a is not particularly limited. In the present embodiment, the first rail portion 64a is a tubular body that conforms to the above-mentioned outer shape. Inside the first rail portion 64a, a plurality of ribs 64g for connecting the inner walls in the depth direction are provided.
The upper surface 64e is located above the uppermost arrangement position of the first case 56A, which will be described later. In the present embodiment, the concave-convex engaging portion Ea is located above the uppermost concave groove portion 61c.
Further, the upper surface 64e is arranged below the side surface of the rib 61F in the −Z direction. A gap 64h is formed between the rib 61F and the upper surface 64e in the vertical direction. The size of the gap 64h is not particularly limited as long as it is a size required for attaching and detaching the first case 56A, which will be described later.
The lower surface 64f is located below the lowermost dispositionable position of the third case 56C, which will be described later. In the present embodiment, the concave-convex engaging portion Ea is located below the lowermost concave groove portion 61c.

The second rail portion 64b is arranged in series with the first rail portion 64a so as to be separated from the lower surface 64f of the first rail portion 64a in the −Z direction. The outer 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 the same as that of the rear surface 64c, and the position of the front surface 64k in the depth direction is the same as that of the front surface 64d.
The lower surface 64n forms the lowermost surface of the rail portion 64A. In the example shown in FIG. 5, the lower surface 64n in the vertical direction is substantially the same as the position of the lower end of the flat surface portion 61b.
The upper surface 64m is separated 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 the locking projection 57 of the holding 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 where the third case 56C, which will be described later, is attached / detached. In the case of the present embodiment, since the third case 56C can be attached and detached below the arrangement position, 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 much 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 projection 57 of the holding mechanism 60, which will be described later.

As shown in FIG. 4A, the step portion 53c projects 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. The protruding height of the step portion 53c is not particularly limited, but it is more preferable that the protruding height of the rail portion 64A is not exceeded. In the example shown in FIG. 4A, the step portion 53c projects to the same position as the rail portion 64A.
As shown in FIG. 5, the step portion 53c extends in parallel with the front surface 64d, separated from the front surface 64d in the −Y direction. The lower end of the step portion 53c extends to a position facing the gap 64i in the depth direction. The upper end of the step portion 53c is connected to the lower surface of the rib 61F.

A first stopper that 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 between the front surface 64d of the rail portion 64A and the step portion 53c. 53d is provided.
The first stopper 53d is provided to prevent the first case 56A, which will be described later, from falling. The position of the first stopper 53d in the vertical direction defines the movable lowest position of the first case 56A. The lowest descending position of the first case 56A can be appropriately set as needed. However, the first stopper 53d also defines the movable uppermost position of the third case 56C, which will be described later.
In the example shown in FIG. 5, the first stopper 53d is provided at a substantially central portion of the front surface 64d in the vertical direction. Therefore, the first case 56A can move in the vertical direction within the range of the upper half of the first rail portion 64a, and the third case 56C can move in the vertical direction within the range of the lower half of the second rail portion 64b. ..

A second stopper 53e extending toward the boundary between the inner surface portions 53a and 53b and projecting from the side surface S of the rib 61A in the −X direction is provided on the front surface 64k of the second rail portion 64b.
The second stopper 53e is provided to prevent the 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 the 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 about 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 movable lowest position of the third case 56C. The lowest position of the third case 56C can be appropriately set as needed. In the example shown in FIG. 5, the second stopper 53e extends in the −Y direction from the position of the intersection of the front surface 64k and the bottom 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.
On the inner side surface of the rib 61D, the locking guide projection 53f and the locking projection 65 project in the −X direction, respectively. The shapes of the locking guide protrusion 53f and the locking protrusion 65 are not particularly limited as long as the case 59 can be detachably locked.
The rib 61G in the present embodiment includes a first plate-shaped portion 61Ga extending in the + Y direction from the lower end of the inner surface portion 53b, and a plate-shaped second plate-shaped portion 61Gb extending further in the + Y direction from the first plate-shaped portion 61Ga. Have. However, the first plate-shaped portion 61Ga and the second plate-shaped portion 61Gb have an upper surface that inclines 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 first plate-shaped portion 61Ga at the edge in the + X direction over the entire depth direction.
The locking projection 65 extends above the second plate-shaped portion 61Gb, away from the end of the locking guide projection 53f in the + Y direction, and parallel to the locking guide projection 53f.
Each tip surface of the ribs 61D and 61G in the protruding direction is formed at a position similar to the tip of the ridge portion 61a of the rib 61A.

As shown in FIG. 4B, a lighting unit 62 that illuminates the inside of the refrigerating chamber 27A when the right refrigerating chamber door 11Ab is opened is provided on the side surface of the rib 61A in the + X direction.
For example, the illumination unit 62 has 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 face the ribs 61A, 61D, and the rail portion 64A, respectively, with respect to a plane having a normal width direction between the ribs 61A and 61C. It has a symmetrical shape and arrangement. However, the rib 61C is not provided with the illumination unit 62. The side surface of the rib 61C is continuous on the surface of the portion corresponding to the illumination unit 62, and the inside is also filled with a foam heat insulating material (not shown).
Therefore, the configurations of the ribs 61C, 61E, and the rail portion 64C can be easily understood by reading the + X direction and the −X direction in reverse in the above description, and thus detailed description thereof 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 ridge portion 61a. Hereinafter, when it is clearly indicated that the rib 61C is the concave-convex engaging portion E, it is referred to as the concave-convex engaging portion Ec.
The same applies to the stepped portion 53c, the first stopper 53d, and the second stopper 53e in the rib 61C, and the locking projection 65 and the locking guide projection 53f in the rib 61E.

As shown in FIGS. 4A and 4B, the rib 61B projects in the + Y direction from the inner surface portion 53a between the ribs 61A and 61C. The rib 61B extends from the rib 61F to a substantially central portion of the inner surface portion 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 upper side) 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, respectively. The side surface Sm faces the side surface S of the rib 61C in the lateral width direction. The side surface Sp faces the side surface S of the rib 61A in the lateral width direction.
At the tip of the rib 61B in the protruding direction, a concave-convex engaging portion E is formed in the range of the length of the rib 61B in the vertical direction.
The flat surface portion 61b of the rib 61B forms a tip 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 portion of the concave-convex engaging portion Ea. For example, in the example shown in FIG. 7, the concave groove portion 61c in the rib 61B has the same shape and arrangement as the upper five in the concave-convex engaging portion Ea.
As described above, the concave-convex engaging portion E in the rib 61B has a smaller number of concave groove portions 61c than the concave-convex engaging portion Ea. Hereinafter, when it is clearly indicated that the rib 61B is the concave-convex engaging portion E, it is referred to as the concave-convex engaging portion Eb.

The thickness of the rib 61B in the lateral width direction is at least about twice the width of the concave-convex engaging portion Ea. The concave groove portion 61c in the concave-convex engaging portion Ec does not have to penetrate in the thickness direction (horizontal width direction) of the rib 61B, but in the present embodiment, it penetrates.
When the concave groove portion 61c is not penetrated in the thickness direction of the rib 61B, the concave groove portion 61c is formed from the side surfaces Sm and Sp of the rib 61B toward the inside of the rib 61B, respectively.

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

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 with the rail portion 64Bc and the step portion 53g on the side surface Sm, respectively, with respect to a plane having the width direction as the normal direction between the side surface Sp and Sm. There is. Therefore, in the above description, for example, if the + X direction and the −X direction are read in reverse, it is easily understood, and detailed description thereof will be omitted.

As described above, in the rear surface member 53, the rib 61B faces the rib 61A in the lateral width direction (second direction) intersecting the projecting direction (+ Y direction, first direction) of the rib 61A (first wall body portion). It is the second wall body part. Concavo-convex engaging portions E (concave and convex engaging portions Ea and Eb) are provided at the tip portions of the ribs 61A and 61B in the first direction, respectively. The ribs 61A and 61B are provided with rail portions 64 (rail portions 64A and 64Ba) that protrude from the side surfaces S and Sp facing each other and extend in the vertical direction.
Similarly, the ribs 61C and 61B correspond to the first wall body portion and the second wall body portion, respectively, and the concave-convex engaging portion E (concave-convex engaging portion Ec, Eb) is provided at the tip end portion in the first direction of each. Has been done. Further, the ribs 61C and 61B are provided with rail portions 64 (rail portions 64C and 64Bc) protruding from the side surfaces S and Sm facing each other and extending in the vertical direction.
Similarly, the ribs 61A and 61C correspond to the first wall body portion and the second wall body portion, respectively, and the concave-convex engaging portion E (concave-convex engaging portion Ea, Ec) is provided at the tip end portion in the first direction of each. Has been done. Further, the ribs 61A and 61C are provided with rail portions 64 (rail portions 64A and 64C) that protrude from the side surfaces S and S facing each other and extend in the vertical direction.
The correspondence between the first wall body and the second wall in the wall bodies facing each other may be the opposite of the above.

Next, the detailed configuration of the plurality of cases 56 will be described.
As shown in FIG. 3, each case 56 can move up and down between the first wall body portion and the second wall body portion along the rail portion. Each case 56 includes a case body 56a having a length (width) in the lateral width direction that enters the gap between the first wall body portion and the second wall body portion to be arranged.
When distinguishing each case body 56a in the first case 56A, the second case 56B, and the third case 56C, they may be referred to as case bodies 56aA, 56aB, 56aC, respectively.
The first case 56A is arranged between the ribs 61A and 61B. The second case 56B
It 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 described with reference to the example of the first case 56A.
Hereinafter, unless otherwise specified, the positional relationship of each part will be described based on the direction fixed to the refrigerator 1 described above. However, the first case 56A is attached / detached with the right refrigerating room door 11Ab open. The opening angle of the right refrigerating room door 11Ab is arbitrary within the opening limit.
Therefore, when the right refrigerating room door 11Ab is opened and the user faces the inner surface side of the right refrigerating room door 11Ab (hereinafter, referred to as facing time), the left, right, front and back as seen from the user are referred to in this specification. Different from the defined left and right and front and back. In the following, if necessary, the positional relationship at the time of facing each other may be supplemented.
FIG. 8 is a perspective view showing an example of the door container according to the first embodiment. FIG. 9 is an exploded perspective view of the door container shown in FIG. FIG. 10 is a cross-sectional view taken along the line F10-F10 of the door container shown in FIG.

As shown in FIG. 8, the first case 56A has a case main body 56aA and a holding mechanism 60.

The case body 56aA is formed in a bowl shape with an open upper part. The outer shape of the case body 56aA is substantially rectangular parallelepiped. Here, the substantially rectangular parallelepiped shape is similar to a rectangular parallelepiped in which various shapes such as roundness, curvature, bending, step, and unevenness are added to any of the corners, ridges, and faces of the rectangular parallelepiped. Including shape. The case body 56aA may have a through hole, a notch, or the like penetrating in the thickness direction. However, in the following, an example will be described in which the first case 56A does not have a through hole, a notch, or the like penetrating 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 plan view (-Z direction view) shape of the bottom portion 56f is a substantially rectangular shape having a peripheral edge extending in the width direction and the depth direction.
The first wall portion 56b extends in the + Z direction from the peripheral edge in the + Y direction at the bottom portion 56f.
The second wall portion 56c extends in the + Z direction from the peripheral edge in the −Y direction at the bottom portion 56f. The second wall portion 56c is a wall portion facing the inner surface portion 53a when arranged 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 peripheral edge in the + X direction at the bottom portion 56f. The first side wall portion 56d is located on the left hand side when viewed from the user when facing each other.
The second side wall portion 56e extends in the + Z direction from the peripheral edge in the −X direction at the bottom portion 56f. The second side wall portion 56e is located on the right hand side when viewed from the user when facing each other.

The pinching mechanism 60 includes a pinching mechanism 60R provided on the second side wall portion 56e and a pinching mechanism 60L provided on the first side wall portion 56d.
The pinching mechanism 60R has a locking projection 57R and a locking portion 58R. The holding mechanism 60L has a locking projection 57L and a locking portion 58L.
The lock portions 58R and 58L are located on the right-hand side and the left-hand side of the user when facing each other, respectively.
In the following, the subscripts R and L may be omitted as appropriate if there is no risk of misunderstanding. For example, when representing either one of the locking projections 57R and 57L, it may be simply referred to as the locking projection 57, or both the locking projections 57R and 57L may be collectively referred to as the respective locking projections 57 and the like. ..

The locking projection 57R projects from the second side wall portion 56e in the −X direction at the end portion of the second side wall portion 56e in the −Y direction. The shape of the locking projection 57R seen from the + X direction is long in the vertical direction as a whole. The upper end of the locking projection 57R is located near the upper end of the second side wall portion 56e. The lower end of the locking projection 57R is located substantially at the center of the second side wall portion 56e in the vertical direction.
The outer surface of the locking projection 57R in the −Y direction is formed by a flat surface portion 57d composed of a plane facing the −Y direction and extending in the vertical direction. In the example shown in FIG. 8, the flat surface portion 57d is parallel to the second wall portion 56c. The distance in the depth direction from the flat surface 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 step portions 53c and 53g.
The outer surface of the locking protrusion 57R in the + Y direction includes an upper convex portion 57a (first protrusion) protruding in the −Y direction from both ends in the vertical direction and a lower convex portion 57b (second protrusion). Is done. A concave portion 57c recessed in the −Y direction is formed between the upper convex portion 57a and the lower convex portion 57b.
The tips 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 surface portion 57d.
The width of the locking projection 57R in the depth direction is narrower than the gap between the rail portion 64Ba and the step portion 53g.

The locking projection 57L has a shape and arrangement that is plane-symmetric with the locking projection 57L with respect to a plane having a width direction as a normal direction between the second side wall portion 56e and the first side wall portion 56d. Therefore, the locking projection 57L is the same as the locking projection 57R except that it protrudes from the first side wall portion 56d in the −X direction, that is, the flat surface portion 57d, the upper convex portion 57a, the lower convex portion 57b, and the concave portion 57c. Has.
The width of the locking projection 57L in the depth direction is narrower than the gap between the rail portion 64A and the step portion 53c.

Regarding the widthwise dimension 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 the respective protruding directions. .. Further, the distance between the tip surfaces of the locking projections 57L and 57R in the projecting 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 can move in the vertical direction between the side surface S of the rib 61A and the side surface Sp of the rib 61B. At that time, the locking projection 57L can move in the vertical direction through the gap between the rail portion 64A and the step portion 53g. The locking projection 57R can move in the vertical direction through a gap between the rail portion 64Ba and the step portion 53g.

The lock portion 58R is provided at the end portion in the + Y direction of the second side wall portion 56e.
As shown in FIG. 9, the lock portion 58R has a holding portion 58a, a slide member 71 (engaging portion), an elastic member 72 (pressing member, spring), a locking holder 73 (pressing member), and a cover 70.
The lock portion 58L has a shape and arrangement symmetrical with those of the lock portion 58R with respect to a plane having a width direction as a normal direction between the second side wall portion 56e and the first side wall portion 56d. Therefore, the shapes and arrangements of the holding portion 58a, the slide member 71, the elastic member 72, the locking holder 73, and the cover 70 of the lock portion 58L are defined in the + X direction and the −X direction in the description of the configuration of the lock portion 58R. On the contrary, it can be easily understood by reading it. In particular, in the lock portions 58R and 58L, the cross-sectional shapes of the lock portions 58R and 58L in a plane with the width direction as the normal direction are common to each other.
Hereinafter, unless otherwise specified, the configuration of the lock portion 58R will be described. However, for a portion that cannot be seen in the drawing, the illustration of the corresponding portion in the lock portion 58L may be referred to.

The holding portion 58a has 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 protrudes in the −X direction from the vicinity of the upper end of the second side wall portion 56e and extends elongated in the depth direction. In the plan view shape of the first guide plate 58b, the width in the width direction is constant from the intermediate portion in the depth direction to the + Y direction side, and the width in the + Y direction side is gradually reduced as it advances 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 separated from the locking projection 57R, but in the example shown in FIG. 9, it is about half the length of the second side wall portion 56e in the depth direction. is there.

The second guide plate 58c is a flat plate protruding in the −X direction at a position below the first guide plate 58b and separated from the first guide plate 58b. The outer shape of the second guide plate 58c in a plan view is the same as that of the first guide plate 58b. The second guide plate 58c is arranged at a position where it overlaps with 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 the slide member 71, which will be described later, can be slidably held in the depth direction.
A C-shaped notch 58f in a plan view is formed in the second guide plate 58c at a portion closer to the −Y direction so that the operating lever 71B of the slide member 71, which will be described later, can be inserted in the width direction and the depth direction.

One or more locking holes 58e penetrating in the plate thickness direction are formed at the base ends of the first guide plate 58b and the second guide plate 58c in the projecting direction (−X direction). The plurality of locking holes 58e are used for locking the cover 70, which will be described later.
For example, in the example shown in FIG. 9, in the first guide plate 58b, two locking holes 58e are formed so as to be separated from each other in the depth direction. Although not shown in FIG. 9, in the second guide plate 58c, a locking hole 58e is formed at a position facing the locking hole 58e on the + Y direction side of the first guide plate 58b.

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 portion 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.
At the tip of the locking plate 58d in the protruding direction, a locking groove 58g for locking the locking holder 73, which will be described later, in the vertical direction and the + X direction is formed.

The slide member 71 has a slider 71A and an operation lever 71B.
The slider 71A is housed in a gap between the first guide plate 58b and the second guide plate 58c, and is slidable in the depth direction. At the tip of the slider 71A in the −Y direction, a convex engaging portion 71a that can engage with the concave groove portion 61c in the vertical direction is provided.
The operating lever 71B is a rod-shaped member extending in the −Z direction from an intermediate portion in the depth direction on the lower surface of the slider 71A. The operating lever 71B is inserted through the notch 58f and projects 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 urges the slider 71A in the −Y direction. The configuration of the elastic member 72 is not particularly limited as long as the slider 71A can be urged in the −Y direction. For example, as the elastic member 72, an appropriate elastic member, a spring, or the like that can be urged 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, which is a kind of spring, is used as the elastic member 72.

The locking holder 73 holds the base end portion 72b, which is the end portion of the elastic member 72 in the + Y direction.
The cross-sectional configuration of the locking holder 73 will be described with reference to the cross-sectional view of the locking portion 58L shown in FIG.
The locking holder 73 has a first locking plate 73b, a second locking plate 73c, a locking shaft 73d, and a tubular portion 73a.
The first locking plate 73b and the second locking plate 73c are flat plates arranged in parallel with each other with a gap into 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.
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 sandwiched between the first locking plate 73b and the second locking plate 73c. It is locked to the plate 58d.

The tubular portion 73a houses the base end portion 72b of the elastic member 72 inside. As the shape of the tubular portion 73a, an appropriate shape can be used according to the shape of the elastic member 72 to be accommodated. In the example shown in FIG. 9, the tubular portion 73a has a cylindrical shape having a circular hole portion along the outer shape of the elastic member 72, corresponding to the case where the elastic member 72 is composed of a compression coil spring having a cylindrical outer shape.
The base end portion 72b of the elastic member 72 is fixed at a predetermined position inside the tubular portion 73a.

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

The side plate portion 70c is formed in 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 has 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 also covers the + Y direction side.
Therefore, each lock portion 58 projects outward in the width direction from both side surfaces in the width direction in the first case 56A, but the amount of each protrusion gradually decreases toward the end portion 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 refrigerating chamber door 11Aa when the right refrigerating chamber door 11Ab is opened and closed. For example, the convex curved portion 70e has a curved shape that fits inside the rotation locus (on the hinge 30 side) drawn by the left side member 51c around the hinge 30.

As shown in the cover 70 of the lock portion 58L in FIG. 9, the lower plate portion 70b is formed with the notch portion 70f at a position overlapping the notch 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.
In the cover 70, a substantially rectangular opening surrounded by an upper plate portion 70a, a side plate portion 70c, and a lower plate portion 70b is formed at an end portion in the −Y direction. This opening has a size that allows the slider 71A to move forward and backward in the depth direction.
On the upper surface of the lower plate portion 70b, an engaging projection 70g that engages with the locking hole 58e in the second guide plate 58c is provided. Although not shown in FIG. 9, an engaging protrusion 70g is also provided on the lower surface of the upper plate portion 70a at a portion of the first guide plate 58b that engages with each of the locking holes 58e.
The cover 70 is fixed to the holding portion 58a in a state where each engaging protrusion 70g engages with each locking hole 58e to cover the holding portion 58a from the outside in the vertical direction and the outside in the lateral width direction. ..

As shown in FIG. 8, 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 when the cover 70 is attached. And are both W. The size of W is larger than either the width of the flat surface portion 61b of the rib 61A or half the width of the flat surface portion 61b of the rib 61B. Further, the distance between the outer surfaces of the side plate portions 70c is shorter than the distance from the inner surface of the ridge portion 61a to the central portion of the flat surface portion 61b of the rib 61B.
Therefore, the first case 56A can be accommodated in a range from the inner surface of the ridge portion 61a to the central portion of the flat surface portion 61b of the rib 61B in the lateral width direction.

Next, the detailed configuration of the slide member 71 and the internal configuration of the lock portion 58 will be described with reference to the cross-sectional view of the lock portion 58L shown in FIG. FIG. 10 shows the position of the slide member 71 in the locked state in which the convex engaging portion 71a engages with the concave groove portion 61c.
The upper end and lower end of the slider 71A have an upper slide portion 71g and a lower slide portion 71h extending in parallel with the lower surface of the first guide plate 58b and the upper surface of the second guide plate 58c, respectively. The vertical distance 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.

The length of the upper slide portion 71g and the lower slide portion 71h in the depth direction is substantially 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. ..
The tip 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 tip surface of the upper slide portion 71g constitutes an upper locking portion 71e (butting portion) that locks to the flat surface portion 61b from the −Y direction in the locked state.
The tip surface of the lower slide portion 71h constitutes a lower locking portion 71f (butting portion) that locks to the flat surface portion 61b from the −Y direction in the locked state.
In the present 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 engaged with the concave-convex engaging portion E. An engaging portion that engages in the −Y direction.

The convex engaging portion 71a protrudes in the −Y direction from the upper locking portion 71e and the lower locking portion 71f. In the example shown in FIG. 10, the convex engaging portion 71a protrudes from the central portion 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 concave groove portion 61c in the vertical direction.
In the present embodiment, the convex engaging portion 71a is narrowed in the −Y direction when viewed from the lateral width direction, corresponding to the V-shape in which the concave groove portion 61c opens in the + Y direction when viewed from the horizontal width direction. It is V-shaped.
For example, the convex engaging portion 71a has a lower engaging portion 71b (second horizontal surface portion), a tip surface 71d, and an upper engaging portion 71c (second inclined surface portion).
The lower engaging portion 71b is a flat portion extending in the horizontal direction.
The tip surface 71d is bent in the + Z direction from the end of the lower engaging portion 71b in the −Y direction. The distance between the upper locking portion 71e and the lower locking portion 71f and the tip surface 71d (the amount of protrusion of the convex engaging portion 71a) is d2. In the present embodiment, the size of d2 is smaller than the depth d1 of the concave groove portion 61c.
The upper engaging portion 71c is an inclined surface extending diagonally upward in the + Y direction as it advances in the + Z direction from the upper end portion of the tip surface 71d. The inclination angle of the upper engaging portion 71c with respect to the lower engaging portion 71b is θ2. The size of θ2 is not particularly limited as long as it has an acute angle. It is more preferable that θ2 is about the same as θ1.

In the central portion of the slider 71A, a hole portion 71i that opens in the + Y direction is formed on the side opposite to the convex engaging portion 71a (the back side of the convex engaging portion 71a).
Inside the slider 71A, the + Y direction side of the opening of the hole 71i is a space sandwiched between the upper slide portion 71g and the lower slide portion 71h. This space has a size in which the tubular portion 73a of the locking holder 73 can relatively advance and retreat in the depth direction.

The hole portion 71i has a size capable of accommodating the elastic member 72 inside. In the present embodiment, it is a circular hole having an inner diameter slightly larger than the outer diameter of the elastic member 72. The hole portion 71i extends from the back side of the convex engaging portion 71a to the central portion of the slider 71A in the depth direction.
In the present embodiment, since the outer diameter of the tubular portion 73a is larger than the inner diameter of the hole portion 71i, the tubular portion 73a cannot be inserted into the hole portion 71i. Therefore, the sum of the depth of the hole portion 71i and the depth of the tubular 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 portion 71i and the depth of the tubular portion 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 tubular portion 73a are each about half of L1.
In the example shown in FIG. 10, the depth of the hole portion 71i and the depth of the tubular portion 73a are about one-third to about two-fifths of the length of the elastic member 72 in the locked state, respectively. As a result, 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 tubular portion 73a.

The operating lever 71B has a connecting shaft 71k and a lever body 71j.
The connecting shaft 71k extends in the −Z direction from the substantially central portion in the depth direction of the lower slide portion 71h. The lower end of the connecting shaft 71k projects below the lower plate portion 70b.
The lever body 71j is formed in a rod shape extending downward from the lower end of the connecting shaft 71k.
The front surface portion 71m of the lever body 71j, which is the surface in the −Y direction, extends linearly downward and then gradually curves in the −Y direction at the lower end portion. Therefore, the front portion 71m is J-shaped when viewed from the −X direction.
On the other hand, the rear surface portion 71n, which is the surface of the lever body 71j in the + Y direction, is a flat surface extending linearly downward.

As described above, the slide member 71 is T-shaped when viewed from the −X direction.
The length of the lever body 71j in the operating lever 71B may be long enough to allow the finger F to be hung.
It is more preferable that the length of the slider 71A is longer because the forward / backward movement of the slider 71A is stable.

As shown in FIG. 3, the second case 56B has the same configuration as the first case 56A except that the case main body 56aB is provided instead of the case main body 56aA. The case body 56aB may be the same member as the case body 56aA, or may be a member having different dimensions, shapes, etc. from the case body 56aA.
The second case 56B can be accommodated in a range from the inner surface of the ridge portion 61a in the rib 61C to the central portion of the flat surface portion 61b in the rib 61B in the lateral width direction.
The third case 56C has the same configuration as the first case 56A except that the case main body 56aC is provided instead of the case main body 56aA. The width of the case body 56aC in the lateral width direction at least at the end in the + Y direction is narrower than the distance in the lateral width direction between the rail portions 64A and 64C. The third case 56C includes a first wall portion 56bC and a second wall portion 56cC, which are shorter in the width direction than the first wall portion 56b and the second wall portion 56c in the first case 56A, respectively.
In the example shown in FIG. 3, the egg tray 56h is arranged inside the third case 56C.

Next, the engagement structure between the first case 56A and the rear surface member 53 will be described. However, since the engagement structure of the rib 61A and the rail portion 64A and the engagement structure of the rib 61B and the rail portion 64Ba are the same, the engagement structure of the rib 61A and the rail portion 64A will be mainly described.
FIG. 11 is a cross-sectional view showing a locked state of the door container in the refrigerator of the first embodiment. FIG. 12 is a cross-sectional view showing an unlocked state of the door container in the refrigerator of the first embodiment.

As shown in FIG. 11, in the locked first case 56A, the locking projection 57L is inserted into the space between the step portion 53c and the front surface 64d of the rail portion 64. The upper convex portion 57a and the lower convex portion 57b are in contact with the front surface 64d, respectively. A gap is formed between the flat surface portion 57d and the step 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 from the opening in the −Y direction in the cover 70.
The convex engaging portion 71a is inserted into any of the concave groove portions 61c in the concave-convex engaging portion Ea. The upper locking portion 71e and the lower locking portion 71f each press the flat surface portion 61b adjacent to the concave groove portion 61c in a state of being urged by the elastic member 72. As a result, the longitudinal direction of the slider 71A is perpendicular to the flat surface portion 61b.
In the convex engaging portion 71a, only the protruding portion from the upper locking portion 71e and the lower locking portion 71f is inserted into the concave groove portion 61c, so that a gap is formed between the tip 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 is engaged with the flat surface portion 61b. At this time, a gap is formed between the upper engaging portion 71c and the upper engaging portion 61g. That is, the convex engaging portion 71a is engaged with the concave-convex engaging portion Ea in the −Z direction.
However, when an external force that pushes the first case 56A upward against its own weight acts, the slider 71A moves upward along the flat surface portion 61b, and the upper engaging portion 71c is on the upper side, depending on the magnitude of the external force. Engage with the slide portion 71g.

In this way, the elastic member 72 is provided so as to be able to press the concave-convex engaging portion Ea by sandwiching the rail portion 64A and the concave-convex engaging portion Ea between the convex engaging portion 71a and the locking projection 57L. There is.
The pressing force f of the elastic member 72 is transmitted to the flat surface portion 61b by the upper locking portion 71e and the lower locking portion 71f separated in the vertical direction.
Since the first case 56A is pulled in the + Y direction by the reaction force of this pressing force, 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 having the same magnitude as the pressing force. To do.
Although the pressing positions in the plan view are not exactly on the same straight line, they are in the vicinity of the side surface S of the rib 61A, and are substantially opposed to each other in the depth direction along the side surface S. Therefore, the rotational moment in the horizontal plane caused by the deviation of the pressing position in the width direction can be ignored.
In the present embodiment, as shown in FIG. 11, the upper locking portion 71e and the lower locking portion 71f have a positional relationship facing each other in the depth direction between the upper convex portion 57a and the lower convex portion 57b in the vertical direction. .. Therefore, since the rotational moment in the vertical plane is not generated due to the deviation of the action point of each pressing force, the pinching state in the depth direction is stable.
The rear pressing region P1 from the pressing position of the upper locking portion 71e to the pressing position of the lower locking portion 71f in the vertical direction is the pressing of the lower convex portion 57b from the pressing position of the upper convex portion 57a in the vertical direction. The range is not particularly limited as long as it overlaps with the front pressing area P2 up to the position when viewed from the depth direction. However, it is more preferable that the rear pressing region P1 is within the range of the front pressing region P2 as shown 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 caused by the upper locking portion 71e and the lower locking portion 71f that are widely separated from 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 two points of 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 a total of 4 points.
Therefore, the first case 56A is compared with the case where the pressing force on the rail portion 64 and the concave-convex engaging portion E acts at a total of two points, one point each, or at a total of three points, one point and two points. It becomes difficult to rotate in the vertical plane where the rails intersect in the width direction. As a result, the first case 56A is less likely to rattle.

In such a locked state, the position of the first case 56A in the vertical direction is fixed according to the position of the concave groove portion 61c. In the present 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 refrigerating chamber door 11Ab open, in FIG. 12, the arrow line in the rear direction (the direction from the inside of the right refrigerating chamber door 11Ab toward the front plate 52) at the time of facing each other is-. The arrow in the η direction and the opposite, in the forward direction at the time of facing each other, is described as the + η direction.
To release the locked state, for example, the user and the finger F are hung on the operating lever 71B, and the slide member 71 is retracted toward the locking holder 73 (in the + η direction), as shown in FIG.

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. The convex engaging portion 71a provided on the slider 71A retracts from the concave groove portion 61c. As a result, 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 amount of protrusion d2 of the convex engaging portion 71a, the distance between the locking projection 57L and the convex engaging portion 71a is the distance between the front surface 64d and the flat surface portion 61b. The locking projection 57L can be separated from the front surface 64d, and the convex engaging portion 71a can be separated from the flat surface 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 projection 57R and the locking portion 58R on the side surface in the −X direction sandwich the rail portion 64Ba and the concave-convex engaging portion Eb in between, and are in the locked state and the unlocked state. Can be switched. However, in the engaging structure of the rib 61B and the rail portion 64Ba, only the + X direction side in the lateral width direction of the concave-convex engaging portion Eb is used.

In the first case 56A, when both of the locked states by the locking portions 58 in the lateral width direction are released, the movement in the vertical direction becomes possible. Therefore, the first case 56A will not fall if only one of the operating levers of the lock portion 58 is moved when the stored material is taken in and out of the refrigerating chamber 27A.

In the present embodiment, the front surfaces 64d and the stepped portions 53c and 53g of the rail portions 64A and 64Ba are all flat surfaces along the vertical direction. As a result, in the unlocked state, the locking projections 57L and 57R can smoothly move in the vertical direction along the gaps between the front surfaces 64d and the stepped portions 53c and 53g, respectively.

Similarly, in the second case 56B, the locking projection 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 64Bc and the concave-convex engaging portion Eb sandwiched between them. It is provided as possible. However, in the engaging structure of the rib 61B and the rail portion 64Ba, only the −X direction side in the lateral width direction of the concave-convex engaging portion Eb is used.
Further, in the second case 56B, the locking projection 57R and the locking portion 58R on the side surface in the −X direction can switch between the locked state and the unlocked state by sandwiching the rail portion 64C and the concave-convex engaging portion Ec in between. It is provided in.

Similarly, in the third case 56C, the locking projection 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 concave-convex engaging portion Ea sandwiched between them. It is provided as possible.
Further, in the third case 56C, the locking projection 57R and the locking portion 58R on the side surface in the −X direction can switch between the locked state and the unlocked state by sandwiching the rail portion 64C and the concave-convex engaging portion Ec in between. It is provided in.

Although the right refrigerating chamber door 11Ab has been described above, the left refrigerating chamber door 11Aa has the same configuration except that the widths in the opening / closing direction and the width direction are different.
Although the internal configuration of the left refrigerating chamber door 11Aa is not particularly shown, the same internal configuration as the right refrigerating chamber door 11Ab may be used.
However, depending on the width of the left refrigerating room door 11Aa in the lateral width direction, for example, the rib 61B may be omitted. In this case, the same cases as the third case 56C may be arranged one above the other inside the left refrigerator door 11Aa.

Next, the operation of the refrigerator 1 will be described focusing on the attachment / detachment operation of the case 56.
13 and 14 are cross-sectional views illustrating the operation of attaching and detaching the door container in the refrigerator of the first embodiment.

Each case 56 is attached / detached from the rear member 53 in the above-described unlocked state with the right refrigerating chamber door 11Ab open.
For example, when the first case 56A is attached to the rear surface member 53, as in the first case 56Aa shown by the alternate long and short dash line in FIG. 13, the operator sets the lock portion 58La to the unlocked state by the finger F and sets the upper surface 64e 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 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 step portion 53c so that the locking projection 57R (not shown) abuts on the step portion 53g (not shown), the first case 56A is lowered (moved in the −Z direction).

Hereinafter, the operation of the first case 56A shown in FIG. 13 on the side surface in the + X direction will be mainly described.
When the first case 56A is further lowered, the locking projection 57L is inserted between the step portion 53c and the front surface 64d of the rail portion 64A.
As a result, as shown in FIG. 12, 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, since the operation lever 71B extends downward from the substantially central portion of the slider 71A, the finger F is the space between the tip portion of the slider 71A in the −η direction and the front portion 71m of the operation lever 71B. Is placed in. In the present embodiment, a gap into which the finger F can be inserted is formed between the flat surface portion 61b and the front surface portion 71m even if the operating lever 71B moves in the most −η direction in the movable range. Therefore, the finger F is not sandwiched between the rib 61A and the operating lever 71B.
Further, since each operating lever 71B is located in the + η direction with respect to the ribs 61A, 61B, 61C, it can be easily visually recognized by the operator. For example, the operator can easily put the finger F on the operation lever 71B again after releasing the finger F.

The operator moves the first case 56A to an appropriate position where he / she wants to fix the first case 56A in the vertical direction. At this time, since the concave-convex engaging portions Ea and Eb can be seen from the operator, the position of the concave groove portion 61c for engaging the convex engaging portion 71a can be confirmed in advance.
After moving the first case 56A to an appropriate position, the operator relaxes the force of the finger F. The slide member 71 moves in the −η direction due to the urging force from the elastic member 72.
At this time, if the concave groove portion 61c exists in the −η direction and a part of the convex engaging portion 71a enters the concave groove portion 61c, the locked state shown by the solid line in FIG. 13 is formed.
That is, as shown in FIG. 6, since the upper curved portion 61h and the lower curved portion 61d from the flat surface portion 61b toward the concave groove portion 61c are formed in the vicinity of the concave groove portion 61c, the convex engaging portion 71a is formed. Even if it deviates slightly in the vertical direction from the position of the concave groove portion 61c, it is guided to the upper engaging portion 61g along the upper curved portion 61h or to the lower engaging portion 61e along the lower curved portion 61d.
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 component from these also coincides with the direction of the own weight component of the first case 56A, so that the first case 56A becomes smoother. 1 case 56A descends. In this way, the lower engaging portion 71b comes into contact with the flat surface portion 61b.

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

When 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 projects to the other concave groove portion 61c in the same manner as described above. The shape engaging portion 71a can be engaged.
In the present embodiment, the upper side of the concave groove portion 61c is composed of an upper engaging portion 61g inclined in the + Z direction toward the + Y (+ η) direction, and the lower side is composed of a flat surface portion 61b extending horizontally. Therefore, when the convex engaging portion 71a moves to some extent in the + η direction, it can easily move upward along the upper engaging portion 61g to some extent. However, it is difficult to lower the first case 56A in the range where it overlaps with the flat surface portion 61b. Therefore, the first case 56A is unlikely to fall while the locked state is released.
Further, in the present embodiment, since the lower curved portion 61d is formed on the lower side of the opening of the concave groove portion 61c, even if the convex engaging portion 71a moves in the + η direction from the flat surface portion 61b, it is on the lower side. In the range of the curved portion 61d, a steep drop is suppressed.
Similarly, since the upper curved portion 61h is formed on the upper side of the opening of the concave groove portion 61c, even if the convex engaging portion 71a moves in the + η direction from the upper engaging portion 61g, the upper curved portion 61h In the range of, a steep rise is suppressed.
As a result, the steep vertical movement of the first case 56A in the process of releasing the locked state is suppressed.
In particular, when R2 is larger than R1, the curvature of the upper bending portion 61h is larger than that of the lower bending portion 61d, so that the resistance in the upward movement that requires the force to lift the first case 56A is increased. It will be reduced. As a result, 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 concave-convex engaging portion Ea.
The first case 56A can be engaged with any of the concave groove portions 61c from the first to the fifth from the top of the concave-convex engaging portion Ea.
However, in the present embodiment, since the first stopper 53d is provided, the locking projection 57L cannot move below the first stopper 53d like the locking projection 57Lb indicated by the alternate long and short dash line. As a result, even if each of the lock portions 58 of the first case 56A is intentionally unlocked, or even if a failure occurs and the lock is released, the first case 56A is connected to the fifth concave groove portion 61c from the top. It will not fall below the engagement position.

Next, an example in which the third case 56C is attached to the rear surface member 53 will be described. However, as in the case of the first case 56A, the description will be centered on the end portion of the third case 56C in the + X direction.
In order to attach the third case 56C to the rear member 53, as in the third case 56Ca shown by the alternate long and short dash line in FIG. 14, the operator sets the lock portion 58La in the unlocked state by the finger F and heads for the gap 64i. Insert in the -η direction.
After the locking projection 57La is inserted to such an extent that it abuts on the step portion 53c like the locking projection 57Lb indicated by the alternate long and short dash line, the operator moves the third case 56C in the vertical direction.
For example, the operator may raise the third case 56C as in the third case 56C shown by the solid line.
For example, the operator may temporarily lower the third case 56C to a position where the locking projection 57Lc is locked to the second stopper 53e from above like the locking projection 57Lc indicated by the alternate long and short dash line. In this case, since the locking projection 57Lc is locked to the second stopper 53e to stop the lowering of the third case 56C, the operator may take his / her 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 of the six concave groove portions 61c on the lower side of the concave-convex engaging portion Ea.
For example, the third case 56C shown by the 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 the present embodiment, since the ribs 61A and 61C are provided with the second stopper 53e, each locking projection 57 cannot move below the second stopper 53e. As a result, even if each lock portion 58 of the third case 56C is intentionally unlocked or even if it breaks down and is unlocked, the drop position of the third case 56C is regulated by the second stopper 53e. To.
Further, when the locking projection 57L is locked to the second stopper 53e, as shown by the locking projection 57Lc, the second rail portion which is a part of the rail portion 64A below the gap 64i in the + η direction. 64b is arranged. Therefore, unless the operator lifts the third case 56C, the third case 56C does not come off in the + η direction through the gap 64i.

As described above, according to the refrigerator 1 of the present embodiment, the case 56 has holding mechanisms 60 on both sides in the lateral width direction, and the right refrigerating room door 11Ab and the left refrigerating room door 11Aa are ribbed, respectively. It has 61 and a rail portion 64. The pinching mechanism 60 has a slider 71A that can engage with the concave-convex engaging portion E in the rib 61, and can sandwich the rail portion 64 and the concave-convex engaging portion E in the depth direction.
As a result, in the refrigerator 1, the arrangement of the case 56 in the vertical direction can be easily changed. Further, the rattling of the case 56 can be suppressed.

(Second embodiment)
The refrigerator 1A of the second embodiment will be described.
As shown in FIG. 1, the refrigerator 1A of the present embodiment includes a right refrigerating room door 31 (door) instead of the right refrigerating room door 11Ab of the refrigerator 1 of the first embodiment. The door container included in the right refrigerating room door 31 is different from that of the right refrigerating room door 11Ab.
FIG. 15 is a perspective view showing an example of a door container in the refrigerator of the second embodiment. FIG. 16 is a cross-sectional view showing a locked state of the door container in the refrigerator of the second embodiment.

The right refrigerating chamber door 31 replaces the first case 56A, the second case 56B, and the third case 56C in the refrigerator 1, with the first case 86A, the second case 86B, and the third case 86C (doors) shown in FIG. Container) is provided. The first case 86A, the second case 86B, and the third case 86C each include a holding mechanism 80 (80R, 80L) instead of the holding mechanism 60 (60R, 60L).
Each sandwiching mechanism 80 includes each locking projection 87 (87R, 87L) instead of each locking projection 57 (57R, 57L) in each sandwiching mechanism 60. Hereinafter, the points different from the first embodiment will be mainly described.

The locking projection 87R projects from the second side wall portion 56e in the −X direction at the end portion of the second side wall portion 56e in the −Y direction. The shape of the locking projection 57R seen from the + X direction is a rectangular shape that is long in the vertical direction as a whole.
The end faces of the locking projections 87R in the present embodiment in the + Y direction are provided with three or more ridges 87a at intervals in the vertical direction. In the examples shown in FIGS. 15 and 16, the number of ridges 87a is 3.
Each ridge 87a extends in the −X direction from the second side wall portion 56e. The tips of the ridges 87a in the + Y direction are aligned on the same plane with the depth direction as the normal direction.

Three or more ridges 87b are provided on the end faces of the locking projection 87R in the −Y direction at intervals in the vertical direction. In the examples shown in FIGS. 15 and 16, the number of ridges 87b is 3.
Each ridge 87b extends in the −X direction from the second side wall portion 56e. The tips of the ridges 87b in the −Y direction are aligned on the same plane with the depth direction as the normal direction.
The vertical position of each ridge 87b is not particularly limited, but in the example shown in FIG. 15, it is arranged at a position facing each ridge 87a in the depth direction.
The cross-sectional shape of each of the ridges 87a and 87b in the cross section in a plane with the width direction as the normal direction is an arc shape.

The distance between the tip of each ridge 87a in the protruding direction and the tip of each ridge 87b in the protruding direction is the same as that of the tip of the upper convex portion 57a and the lower convex portion 57b of the locking projection 57R and the flat surface portion 57d. Is equal to the distance of.

The locking projection 87L has a shape and arrangement that is plane-symmetric with the locking projection 87R with respect to a plane having a width direction as a normal direction between the second side wall portion 56e and the first side wall portion 56d. Therefore, as shown in FIG. 16, the locking projection 87L has the same ridges 87a and 87b as the locking projection 87R.

According to the present embodiment, it is the same as the first embodiment except that the locking protrusion 87 is provided instead of the locking protrusion 57. Therefore, for example, FIG. 16 shows the end portion in the + Z direction of the first case 86A in the locked state. As shown in the cross section in the above, the rail portion 64A and the concave-convex engaging portion Ea are sandwiched by the sandwiching mechanism 80L in the same manner as in the first embodiment.
However, in the present embodiment, three or more ridges 87a can come into contact with the front surface 64d in the locked state. That is, this embodiment is an example in which the locking projection 87 may come into contact with the rail portion at three or more locations.
Further, in the present embodiment, when moving in the vertical direction for unlocking, the locking projection 87 may come into contact with the stepped portion 53c and three or more ridges 87b. Therefore, when the ridge 87b is the step portion 53c, the frictional force acting from the step portion 53c when moving in the vertical direction is reduced as compared with the case where the planes are in contact with each other.
Therefore, the movement of the first case 86A at the time of unlocking can be performed more smoothly.

(Third Embodiment)
The refrigerator 1B of the third embodiment will be described.
As shown in FIG. 1, the refrigerator 1B of the present embodiment includes a right refrigerating room door 32 (door) instead of the right refrigerating room door 11Ab of the refrigerator 1 of the first embodiment. The right refrigerating room door 31 is different from the right refrigerating room door 11Ab in the door container and the rail portion contained therein.
FIG. 17 is an exploded perspective view showing an example of a door container in the refrigerator of the third embodiment. FIG. 18 is a cross-sectional view showing a locked state of the door container in the refrigerator of the third embodiment.

The right refrigerating chamber door 32 replaces the first case 56A, the second case 56B, and the third case 56C in the refrigerator 1, with the first case 96A, the second case 96B, and the third case 96C (doors) shown in FIG. Container) is provided.
Further, the rear surface member 53 of the right refrigerating room door 32 includes three ribs 66 (first wall body portion and second wall body portion) instead of the ribs 61A, 61B, 61C in the refrigerator 1. Of the ribs 66, FIG. 18 shows the rib 66A corresponding to the rib 61A. Each rib 66 includes a concave-convex engaging portion 67 and a rail portion 68 in place of the concave-convex engaging portion E and the rail portion 64 in each rib 61. FIG. 18 shows the concave-convex engaging portion 67A and the rail portion 68A of the rib 66A among the concave-convex engaging portion 67 and each rail portion 68.

Although not particularly shown, when the ribs 66 corresponding to the ribs 61B and 61C are distinguished, they are referred to as ribs 66B and 66C, respectively.
The rib 66B is provided on the rear surface member 53 in the same manner as the rib 61B except that the rib 66B is thinner than the rib 61B. However, the protruding height of the rib 66B from the inner surface portion 53a may be the same as that of the rib 61B or the same as that of the rib 66A.
The side surface Sp of the rib 66B is provided with the same concave-convex engaging portion 67 and the rail portion 68 protruding in the + X direction as in the rib 61A, except that the length in the vertical direction is short.
The side surface Sm of the rib 66B is provided with a concave-convex engaging portion 67 and a rail portion 68, which are the same as those of the rib 61A, protruding in the −X direction, except that the length in the vertical direction is short.
The rib 66C has a shape and arrangement that is plane-symmetric with the rib 66A with respect to a plane having a width direction as a normal direction between the second side wall portion 56e and the first side wall portion 56d. Similarly, the rib 66C includes a concave-convex engaging portion 67 and a rail portion 68 having a shape and arrangement that are plane-symmetrical with the concave-convex engaging portion 67A and the rail portion 68A.

As shown in FIG. 17, the first case 96A, the second case 96B, and the third case 96C each include a holding mechanism 90 (90R, 90L) instead of the holding mechanism 60 (60R, 60L).
Each holding mechanism 90 includes each lock portion 98 (98R, 98L) instead of each lock portion 58 (58R, 58L). Hereinafter, the points different from the first embodiment will be mainly described.

The lock portion 98R is provided at the end portion in the + Y direction of the second side wall portion 56e.
The lock portion 98R includes a holding portion 98a, a slide member 91, and a cover 99 in place of the holding portion 58a, the slide member 71, and the cover 70 of the lock portion 58R.
The lock portion 98L has a shape and arrangement symmetrical with those of the lock portion 98R with respect to a plane having a width direction as a normal direction between the second side wall portion 56e and the first side wall portion 56d. Therefore, the shapes and arrangements of the holding portion 98a, the slide member 91, and the cover 99 of the lock portion 98L can be easily understood by reading the + X direction and the −X direction in reverse in the description of the configuration of the lock portion 98R. To. In particular, in the lock portions 98R and 98L, the cross-sectional shapes formed by the plane having the width direction as the normal direction are common to each other.
Hereinafter, unless otherwise specified, the configuration of the lock portion 98R will be described. However, for a portion that cannot be seen in the drawing, the illustration of the corresponding portion in the lock portion 98L may be referred to.

The holding portion 98a is configured in the same manner as the holding portion 58a, except that the positions of the locking holes 58e are different and the guide holes 98b are added.
However, a plurality of locking holes 58e are provided in the first guide plate 58b and two in the second guide plate 58c.
As shown in FIG. 17 showing the guide hole 98b in the second side wall portion 56e, the guide hole 98b penetrates the second side wall portion 56e between the first guide plate 58b and the second guide plate 58c in the thickness direction thereof. There is. The shape of the guide hole 98b seen from the + X direction is an oval shape that extends long in the depth direction. Although not shown in FIG. 17, a similar guide hole 98b is formed in the first side wall portion 56d.

The slide member 91 has a slider 91A (engagement portion) and an operation lever 91B.
The slider 91A is accommodated in a gap between the first guide plate 58b and the second guide plate 58c, and is slidable in the depth direction. At the tip of the slider 91A in the −Y direction, a convex engaging portion 91a that can engage with the concave groove portion 67c described later is provided.
The operating lever 91B is a rod-shaped member extending in the −Z direction from an intermediate portion in the depth direction on the lower surface of the slider 91A. The operating lever 91B has a J-shaped outer shape similar to that of the operating lever 71B, except that the shape on the −Y direction side is formed by the front rib 98m.
The operating lever 91B is inserted through the notch portion 58f and projects below the second guide plate 58c.
The detailed configuration of the slide member 91 will be described later.

The cover 90 has an upper plate portion 70a, a lower plate portion 70b, and a side plate portion 70c similar to the cover 70. However, on the lower surface of the upper plate portion 70a, a protrusion that engages with the locking hole 58e in the first guide plate 58b is provided. Similarly, on the upper surface of the lower plate portion 70b, protrusions that engage with the two locking holes 58e in the second guide plate 58c are provided.
The cover 90 is fixed to the holding portion 98a by engaging each protrusion with each locking hole 58e.

As shown in FIG. 18, the rib 66A is provided on the rear member 53 (not shown) in the same manner as the rib 61A, except that the rib 66A does not have the ridge portion 61a and is thinner than the rib 61A.
The outer side surface (+ X direction side) of the rib 66A is arranged at the same position as the outer side surface of the rib 61A, but the inner side surface S is arranged closer to the + X direction than the side surface S of the rib 61A. ..
The concave-convex engaging portion 67A has a plate-shaped portion 67a projecting from the side surface S in the −X direction and extending in the vertical direction, and a plurality of projecting pieces projecting from the side surface S in the −X direction and extending in the + Y direction from the plate-shaped portion 67a. It has a portion 67b (convex portion) and a portion 67b.
The plate-shaped portion 67a is formed in the vertical direction to have the same length as the concave-convex engaging portion Ea in the first embodiment.
The projecting piece portions 67b are arranged with a gap of height H1 in the vertical direction. The amount of protrusion of each projecting piece portion 67b from the plate-shaped portion 67a is d3.
A square groove-shaped concave groove portion 67c (recess) that opens in the + Y direction is formed between the protruding piece portions 67b that are adjacent to each other in the vertical direction.
As described above, in the concave-convex engaging portion 67, the projecting piece portion 67b which is a convex portion and the concave groove portion 67c which is a concave portion are alternately arranged in the vertical direction.

The rail portion 68A is arranged on the inner surface portion 53a side of the concave-convex engaging portion 67A in the depth direction. The rail portion 68A has a first rail portion 68a and a second rail portion (not shown) corresponding to the first rail portion 64a and the second rail portion 64b.

The first rail portion 68a has a front surface 68d instead of the front surface 64d of the first rail portion 64a.
The shape of the front surface 68d when viewed from the + X direction is a concave-convex shape in which the convex surface portion 68e and the flat surface portion 68f are alternately arranged in the vertical direction.
The convex surface portion 68e has an arc shape when viewed from the + X direction, and protrudes from the flat surface portion 68f in the −Y direction. The convex portions 68e adjacent to each other in the vertical direction are formed in a shape in which both of the convex portions 68e are inserted into the recess 57c of the locking projection 57L. Further, a recess is formed between the convex portions 68e adjacent to each other in the vertical direction so that the upper convex portion 57a or the lower convex portion 57b of the locking projection 57L can abut on the flat surface portion 68f.

Next, the detailed configuration of the slide member 91 and the internal configuration of the lock portion 98 will be described with reference to the cross-sectional view of the lock portion 98L shown in FIG. FIG. 18 shows the position of the slide member 91 in the locked state in which the convex engaging portion 91a engages with the concave groove portion 67c.
The upper end and the lower end of the slider 91A are slidably in contact with the lower surface of the first guide plate 58b and the upper surface of the second guide plate 58c, respectively. Therefore, the slider 91A can slide and move 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. 17, in the slider 91A of the lock portion 98L, the side surface portion 91g facing the second side wall portion 56e is provided with a guide protrusion 91h that fits with the guide hole 98b so as to be slidable in the depth direction. Although not particularly shown, in the slider 91A of the lock portion 98R, a similar guide protrusion 91h is provided on the side surface portion 91g facing the first side wall portion 56d.

As shown in FIG. 18, the vertical height H2 of the slider 91A is larger than the opening width H1 of the concave groove portion 67c.
The tip surfaces in the −Y direction at the upper end and the lower end of the slider 91A are located on the same plane with the depth direction as the normal direction.
The tip surface of the upper end portion of the slider 91A constitutes an upper locking portion 91e (butting portion, engaging portion) that locks to the plate-shaped portion 67a from the −Y direction in the locked state.
The tip surface of the lower end portion of the slider 91A constitutes a lower locking portion 91f (butting portion, engaging portion) that locks to the plate-shaped portion 67a from the −Y direction in the locked state.
In the present embodiment, the convex engaging portion 91a is an engaging portion that engages with the concave-convex engaging portion E in the vertical direction, and the upper locking portion 91e and the lower locking portion 91f are engaged with the concave-convex engaging portion E. An engaging portion that engages in the −Y direction.

The convex engaging portion 91a projects in the −Y direction from between the upper locking portion 91e and the lower locking portion 91f in the vertical direction.
As shown in FIG. 17, the convex engaging portion 91a is arranged at least in the square engaging projection 91b having an opening at least the upper portion and the opening in the upper portion of the engaging projection 91b, and is a projecting portion extending in the −Y direction. It has 91c and.
As shown in FIG. 18, the engaging projection 91b has an outer shape that can be inserted into the concave groove portion 67c.
The projecting piece portion 91c is a cantilever beam protruding from the tip surface of the slider 91A in the −Y direction. A pressing portion 91d is provided on the upper side of the tip portion in the protruding direction of the projecting piece portion 91c. The distance from the lower surface of the engaging projection 91b to the upper end surface of the pressing portion 91d is larger than that of H1. Therefore, when the projecting piece portion 91c is inserted into the concave groove portion 67c, the pressing portion 91d abuts on the projecting piece portion 67b forming the upper inner surface of the concave groove portion 67c and is pushed to the lower side of the projecting piece portion 67b. ..
The distance d4 from the upper locking portion 91e and the lower locking portion 91f to the tip of the convex engaging portion 91a in the −Y direction is smaller than d3. Therefore, the tip of the convex engaging portion 91a is separated from the plate-shaped portion 67a in a state where the upper locking portion 91e and the lower locking portion 91f are in contact with the concave groove portion 67c, respectively.

According to the present embodiment, the slider 91A is urged in the −Y direction by the elastic member 72 in a state where the convex engaging portion 91a is inserted into the concave groove portion 67c. As a result, the upper locking portion 91e and the lower locking portion 91f each press the two projecting piece portions 67b forming the concave groove portion 67c. As a result, the longitudinal direction of the slider 91A is perpendicular to the extending direction of the concave-convex engaging portion 67A.
The convex engaging portion 91a engages with the concave groove portion 67c in the vertical direction while pressing the inner surface of the concave groove portion 67c in the vertical direction in the vertical direction.

On the other hand, the locking projection 57L moves in the + Y direction due to the pressing force of the elastic member 72, and the upper convex portion 57a and the lower convex portion 57b are in contact with the front surface 68d of the rail portion 68L. Two convex surface portions 68e are inserted between the upper convex portion 57a and the lower convex portion 57b. As a result, the locking projection 57L is gently engaged in the vertical direction while pressing the rail portion 68A.
In this way, the elastic member 72 is provided so as to be able to press the concave-convex engaging portion 67A by sandwiching the rail portion 68A and the concave-convex engaging portion 67A between the convex engaging portion 91a and the locking projection 57L. There is.

Although not particularly shown, the pinching mechanism 90R forms an engaging structure similar to that of the pinching mechanism 90L with the concave-convex engaging portion 67 and the rail portion 68 provided on the side surface Sp of the rib 66B.
The same applies to the engaging structure of each holding mechanism 90 in the second case 96B and each uneven engaging portion 67 and each rail portion 68 provided on the side surface Sm of the rib 66B and the side surface S of the rib 66C.
The same applies to the engaging structure of each holding mechanism 90 in the third case 96C and each uneven engaging portion 67 and each rail portion 68 provided on the side surface S of the rib 66A and the side surface S of the rib 66C.

According to the present embodiment, each holding mechanism 90 is switched between the locked state and the unlocked state by operating the operating lever 91B, so that the arrangement position of each case 96 in the vertical direction is the same as in the first embodiment. Can be easily changed.
Further, as in the first embodiment, each holding mechanism 90 is engaged with the unevenness by four points of the upper locking portion 91e and the lower locking portion 91f, and the upper convex portion 57a and the lower convex portion 57b. It sandwiches the joint portion 67 and the rail portion 68. At this time, a pressing force by the elastic member 72 acts in the holding direction. Therefore, as in the first embodiment, the rattling of each case 96 in the locked state can be suppressed.

In particular, according to the present embodiment, in the locked state, a pressing force due to the elastic restoring force of the plate-shaped portion 67a acts vertically on the inner surface of the concave groove portion 67c from the convex engaging portion 91a, so that an external force acts on the case 96. When this is done, rattling in the vertical direction is further suppressed.
Further, according to the present embodiment, since the rail portion 68 has an uneven shape, rattling is also formed in that a loosely engaged state is also formed between the rail portion 68 and the locking projection 57 in the locked state. Is more likely to be suppressed.
The uneven shape of the rail portion 68 also has a function of guiding the locking projection 57 to the engagement center position with the concave groove portion 67c when the convex engaging portion 91a is engaged with the concave groove portion 67c. Therefore, when the case 96 is moved in the vertical direction, the convex engaging portion 91a is engaged with the concave groove portion 67c even if the concave groove portion 67c with which the convex engaging portion 91a is engaged is not directly visible. Can be guided smoothly.

In each of the above embodiments, the case where the holding mechanisms on both sides of each door container are symmetrical has been described, but at least one of the structures and arrangements of the holding mechanisms does not have to be 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 first and second embodiments, it has been described that the concave groove portion 61c in the rib 61B penetrates the tip end portion of the rib 61B in the lateral 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 storage space of the first case 56A and the second case 56B is increased. be able to.
However, if there is enough storage space for the first case 56A and the second case 56B, the concave groove portion 61c may be divided in the lateral width direction. For example, at the central portion of the rib 61B in the thickness direction, the concave groove portion 61c may be divided into left and right, and ribs such as appropriate ridges and ridges protruding from the concave groove portion 61c may be provided.

In each of the above embodiments, it has been described that the engaging portion of the holding mechanism has a convex engaging portion that engages with the concave portion of the concave-convex engaging portion. However, the engaging portion of the holding mechanism may be a concave engaging portion that engages with the convex portion of the concave-convex engaging portion.

In each of the above embodiments, it has been described that a part of the engaging portion of the holding mechanism has two abutting portions separated in the vertical direction. However, the abutting portion may be provided at one place, or may be provided at three or more places.
Further, if the engaging portion can be engaged in the direction intersecting the concave-convex engaging portion in the vertical direction and the horizontal width direction, the abutting portion may not be provided.

In each of the above embodiments, it has been described that in the sandwiching mechanism, the slide member having the engaging portion moves relative to the case so that the sandwiching mechanism grips the rail portion and the concave-convex engaging portion. However, if the holding mechanism can grip the rail portion and the concave-convex engaging portion, at least one of the engaging portion and the locking projection may move relative to the case.

Although the configuration of the right refrigerating chamber door has been described in the second and third embodiments, the configuration of the second and third embodiments can be similarly applied to the left refrigerating chamber door 11Aa in the first embodiment. ..

In each of the above embodiments, it has been described that each locking projection is composed of one projection that is long in the vertical direction. However, each locking projection may be a plurality of projections that are separated in the vertical direction and project in the lateral width direction. Further, the shape of the locking projection is not limited to a shape that is long in the vertical direction. For example, the shape of the locking projection may have a round bar-shaped or square bar-shaped outer shape in which the lengths in the vertical direction and the depth direction are substantially the same.
For example, when the locking protrusion is composed of rod-shaped protrusions arranged at a distance in the vertical direction, the two most distant protrusions in the vertical direction of the respective protrusions form the first protrusion and the second protrusion. It may be formed.

According to at least one embodiment described above, the holding mechanism provided in the door container can engage with the concave-convex engaging portion provided in the rail portion at least in the vertical direction, and the rail portion and the concave-convex engaging portion can be engaged with each other. Since it can be held in the first direction, it is possible to provide a refrigerator in which the arrangement position of the door container can be easily changed and the rattling of the door container can be suppressed.

Although some embodiments of the present invention have been described, these embodiments are presented as examples and are not intended to limit the scope of the invention. These embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the gist of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, as well as in the scope of the invention described in the claims and the equivalent scope thereof.

1,1A, 1B ... Refrigerator, 5 ... Refrigerator body 5, 11Aa ... Left refrigerating room door (door), 11Ab, 31, 32 ... Right refrigerating room door (door), 27 ... Storage room, 27A ... Refrigerating room, 52 ... Front plate, 53 ... Rear member, 53a, 53b ... Inner surface, 53c, 53g ... Step, 53d ... First stopper, 53e ... Second stopper, 56 ... Case (door container), 56A, 56Aa, 56Ab, 86A, 96A ... 1st case (door container), 56B, 86B, 96B ... 2nd case (door container), 56C, 86C, 96C ... 3rd case (door container), 56d ... 1st side wall, 56e ... 2nd side wall Part, 57, 57L, 57R, 57La, 57Lb, 57Lc, 87, 87L, 87R ... Locking protrusion, 57a ... Upper convex part, 57b ... Lower convex part, 58, 58L, 58R, 98, 98L, 98R ... Lock Parts, 60, 60L, 60R, 80, 80L, 80R, 90, 90L, 90R ... Holding mechanism, 61a ... Protrusions, 61A, 61B, 61C, 66, 66A ... Ribs (first wall, second wall) Body part), 61b ... Flat part (convex part), 61c, 67c ... Concave groove part (concave part), 61e ... Lower engaging part (first horizontal plane part), 61g ... Upper engaging part (first inclined surface part), 64, 64A, 64Ba, 64Bc, 64C, 68, 68A ... Rail part, 64h, 64i ... Gap, 67, 67A, E, Ea, Eb, Ec ... Concavo-convex engaging part, 67b ... Projection part (convex part), 70, 99 ... cover, 71, 91 ... slide member (engagement part), 71a, 91a ... convex engaging part, 71b ... lower engaging part (second horizontal plane part), 71c ... upper engaging part (first) 2 Inclined surface portion), 71B, 91B ... Operating lever, 71e, 91e ... Upper locking portion (butting portion), 71f, 91f ... Lower locking portion (butting portion), 72 ... Elastic member (pressing member, spring) ), 73 ... Locking holder (pressing member), 87a, 87b ... Ridge, S, Sm, Sp ... Side surface

Claims (9)

Refrigerator body including storage room and
A door that opens and closes the storage room and
A first wall body portion that protrudes from the inner surface portion of the door toward the storage chamber in the first direction 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 that intersects the first direction.
Concavo-convex engaging portions provided on the first wall body portion and the second wall body portion, respectively, and
The first wall body portion and the second wall body portion are arranged on the inner surface side of the concave-convex engaging portion, and the first wall body portion and the second wall body portion face each other from the side surfaces, respectively. The rail portion that protrudes and extends in the vertical direction,
A door container that can move in the vertical direction between the first wall body and the second wall along the rail.
With
The door container is
Both side portions are provided with a sandwiching mechanism capable of engaging with the concave-convex engaging portion at least in the vertical direction and sandwiching the rail portion and the concave-convex engaging portion in the first direction.
refrigerator. The concave-convex engaging portion has a plurality of concave portions and convex portions adjacent to each other in the vertical direction at the tip portions of the first wall body portion and the second wall body portion in the first direction.
The refrigerator according to claim 1. The pinching mechanism
A locking projection provided on the side of the door container and movable in the vertical direction along a gap between the inner surface portion and the rail portion.
An engaging portion that is arranged so as to face the locking projection and is provided so as to be able to advance and retreat relatively toward the locking projection, and that can engage with the uneven engaging portion at least in the vertical direction at the tip portion in the advancing direction. When,
A pressing member that urges the engaging portion toward the locking projection and presses the concave-convex engaging portion.
With
The engaging portion and the locking projection sandwich the rail portion and the uneven engaging portion in the first direction.
The refrigerator according to claim 1 or 2. The locking protrusions include a first protrusion that can come into contact with the rail portion, and a second protrusion that can come into contact with the rail portion at a position lower than the first protrusion in the vertical direction. Is equipped with
The locking protrusion abuts on the rail portion at two locations separated in the vertical direction by the first protrusion and the second protrusion.
The refrigerator according to claim 3. The engaging portion further includes at least one abutting portion that locks to the tip end portion of the convex portion in the concave-convex engaging portion in the advancing direction.
The at least one abutting portion locks with the tip end portion of the convex portion between the contact positions of the first protrusion portion and the second protrusion portion in the vertical direction.
The refrigerator according to claim 4. The engaging portion further includes at least one abutting portion that locks to the tip end portion of the convex portion in the concave-convex engaging portion in the advancing direction.
The refrigerator according to any one of claims 3 to 4. The at least one abutting portion locks to the tip of the convex portion on both the upper side and the lower side of the engaging portion.
The refrigerator according to claim 6. The pressing member has a spring that urges the engaging portion in the advancing direction.
The engaging portion has an operating lever that applies an operating force that moves the engaging portion in a direction opposite to the advancing direction.
The refrigerator according to any one of claims 3 to 7. The uneven engaging portion is
A first horizontal plane portion formed on the inner surface of the lower side of the concave portion of the concave-convex engaging portion and extending in the horizontal direction,
A first inclined surface portion formed on the inner surface of the concave portion and inclined obliquely upward with respect to the horizontal plane as it advances in the first direction is included.
The engaging portion is
A second horizontal plane portion that can be locked to the first horizontal plane portion from above,
Includes a second inclined surface portion that is inclined in the same direction as the first inclined surface portion.
The refrigerator according to any one of claims 3 to 8.

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