JP2023041336A - refrigerator - Google Patents

Abstract

To provide a refrigerator capable of actualizing better user friendliness as the refrigerator.SOLUTION: The refrigerator in the embodiment includes at least four-stage containers provided in a storage room and drawable in the longitudinal direction. When two containers vertically overlapping with each other out of the containers are drawn, the first container on the lower side out of the two containers and the second container on the upper side are drawn in linkage with each other, and a front part of the third container provided right above the second container is drawn in linkage with the second container. The fourth container provided right above the third container is provided so as to be linkable in a movement range smaller than a movement range in linkage operation at the time the third container is drawn in linkage with the second container, or to be movable independently from the third container.SELECTED DRAWING: Figure 6

Description

Embodiments of the present invention relate to refrigerators.

Refrigerators with a plurality of drawable containers are known as freezer compartments. In such a refrigerator, it is necessary to pull out the target container from among the plurality of containers, so that the containers other than the bottom row must be pulled out from the fully closed state. In a fully closed container, it is difficult to reach for the handle on the front side, and it is necessary to pull it out once to check the internal state of the container.

Japanese Patent Application Laid-Open No. 2020-29972

The problem to be solved by the present invention is to provide a refrigerator that can improve usability as a refrigerator.

A refrigerator according to an embodiment is provided in a storage compartment and includes at least four stages of containers that can be pulled out in the front-rear direction. The first container and the upper second container are pulled out in conjunction with each other, and the front portion of the third container provided directly above the second container is pulled out in conjunction with the second container.

The front view of the refrigerator of embodiment. The longitudinal cross-sectional view which looked at the freezer compartment shown by FIG. 1 from the front. Sectional drawing which looked at the freezer compartment shown by FIG. 2 from the side. The perspective view which looked at the freezer compartment from the diagonal front which partially broke. The perspective view which made the freezer compartment door fully open in FIG. The perspective view which looked at the freezer compartment shown by FIG. 5 from diagonally forward. Sectional drawing which looked at the freezer compartment shown by FIG. 6 from the side. The perspective view which shows the structure of a 3rd container. FIG. 3 is an enlarged cross-sectional view of the configuration of each container and sliding portion shown in FIG. 2; Sectional drawing which looked at the state which pulled out the 3rd container of the freezer compartment from the side. The perspective view which shows the structure of a 4th container. The perspective view which shows the principal part of the rear-end part of a 4th container. Sectional drawing which looked at the structure of each container and sliding part from the side. Sectional drawing of a 1st guide member. The perspective view which shows the attachment structure of a 1st guide member. Horizontal sectional view of a reinforcing member. The side view of a reinforcement member. The perspective view before attaching a reinforcement member to a guide member fixing|fixed part. Sectional drawing which looked at the reinforcement member from the front-back direction. Sectional drawing which expanded the principal part of the reinforcement member. Sectional drawing which shows the structure of a guide member fixing|fixed part. Sectional drawing which looked at the freezer compartment on the vegetable compartment by the 1st modification from the side. Sectional drawing which looked at the vegetable compartment on the freezer compartment by the 2nd modification from the side. Sectional drawing which expanded the structure of each container and sliding part by a 3rd modification. Sectional drawing which expanded the structure of each container by a 4th modification, and a sliding part.

Hereinafter, refrigerators according to embodiments will be described with reference to the drawings. In the following description, the same reference numerals are given to components having the same or similar functions. Duplicate descriptions of these configurations may be omitted.

In this specification, left and right are defined with reference to the direction of viewing the refrigerator from a user standing in front of the refrigerator. In addition, the side closer to the user standing in front of the refrigerator as viewed from the refrigerator is defined as "front", and the side farther from the refrigerator is defined as "back". As used herein, the term "horizontal direction" means the left-right direction as defined above. As used herein, the term "depth direction" means the front-back direction in the above definition. In the drawing, the +X direction is the right direction, the -X direction is the left direction, the +Y direction is the rearward direction, the -Y direction is the forward direction, the +Z direction is the upward direction, and the -Z direction is the downward direction. In addition, in a refrigerator, the inside (storage room, freezer, etc.) side in the thickness direction of the wall body described later is called "inside", and the outside of the refrigerator on the opposite side of the inside of the refrigerator with respect to the wall body is called "outside". Define.

[Overall configuration of refrigerator]
A refrigerator 1 according to an embodiment will be described with reference to FIGS. 1 to 10 . First, the general configuration of the refrigerator 1 will be described. However, the refrigerator 1 does not need to have all of the configurations described below, and some configurations may be omitted as appropriate.

FIG. 1 is a front view showing a refrigerator 1. FIG. As shown in FIG. 1 , refrigerator 1 includes a wall having wall 10 and door 11 . The refrigerator 1 has, for example, a wall 10, a plurality of doors 11, a plurality of shelves, a plurality of containers (reference numerals 21 to 24 in FIG. 2 etc. provided in a freezer 15E described later), a cooling unit, and a control board. In this embodiment, the main body of the refrigerator is formed by the above configuration other than the plurality of doors 11 .

As shown in FIG. 2, the wall 10 includes, for example, an inner box 3, an outer box 4, and a foam heat insulating material 5. As shown in FIG. The inner box 3 is a member that forms the inner surface of the wall 10, and is made of synthetic resin, for example. The outer box 4 is a member that forms the outer surface of the wall 10, and is made of metal such as steel plate. The outer box 4 is formed one size larger than the inner box 3 and arranged outside the inner box 3. - 特許庁The foamed heat insulating material 5 is a foamed heat insulating material such as urethane foam, and is filled between the inner box 3 and the outer box 4 . Thereby, the wall 10 has heat insulation.

As shown in FIG. 1, the wall 10 has an upper wall 12, a lower wall 13, left and right side walls 14, 14, and a rear wall. The upper wall 12 and the lower wall 13 extend substantially horizontally. The left and right side walls 14 , 14 rise upward from the left and right ends of the lower wall 13 and connect to the left and right ends of the upper wall 12 . The rear wall rises upward from the rear end of the lower wall 13 and connects to the rear end of the upper wall 12 .

A plurality of storage chambers 15 are provided inside the wall 10 . The plurality of storage compartments 15 includes, for example, refrigerator compartment 15A, vegetable compartment 15B, ice making compartment 15C, small freezer compartment 15D, and main freezer compartment 15E (hereinafter simply referred to as freezer compartment 15E). In this embodiment, the refrigerator compartment 15A is arranged at the top, the vegetable compartment 15B is arranged below the refrigerator compartment 15A, the ice making compartment 15C and the small freezer compartment 15D are arranged below the vegetable compartment 15B, and the ice making compartment 15C and the small freezer compartment 15D are arranged below the vegetable compartment 15B. A main freezer compartment 15E is arranged below the small freezer compartment 15D. However, the arrangement of the storage chamber 15 is not limited to the above example. The wall 10 has an opening on the front side of each storage chamber 15 that allows food to be taken in and out of each storage chamber 15 .

Openings of the plurality of storage chambers 15 are closed by a plurality of doors 11 so as to be openable and closable. The plurality of doors 11 includes, for example, left and right refrigerator compartment doors 11Aa and 11Ab that close the opening of the refrigerator compartment 15A, a vegetable compartment door 11B that closes the opening of the vegetable compartment 15B, an ice compartment door 11C that closes the opening of the ice compartment 15C, and a small freezer. It includes a small freezer compartment door 11D that closes the opening of compartment 15D and a main freezer compartment door 11E that closes the opening of main freezer compartment 15E.

Left and right refrigerator compartment doors 11Aa and 11Ab are, for example, double doors. Left and right refrigerator compartment doors 11Aa and 11Ab are rotatably supported on wall 10 by hinges 10h. In this embodiment, the width in the width direction of the right refrigerator compartment door 11Ab is larger than the width in the width direction of the left refrigerator compartment door 11Aa.

On the other hand, the vegetable compartment door 11B, the ice making compartment door 11C, the small freezer compartment door 11D, and the main freezer compartment door 11E are drawer-type doors, for example. Vegetable compartment door 11B, ice making compartment door 11C, small freezer compartment door 11D, and main freezer compartment door 11E are supported by guide members 6A and 6B described later so as to be able to be pulled out from wall 10 .

The wall 10 has a plurality of (here, two) partitions (not shown) that partition the inside of the wall 10 . These partitions are, for example, partition walls extending substantially horizontally. One partition part is located between refrigerating compartment 15A and vegetable compartment 15B, and partitions between refrigerating compartment 15A and vegetable compartment 15B. On the other hand, the other partition is positioned between vegetable compartment 15B and ice making compartment 15C and small freezing compartment 15D to separate vegetable compartment 15B from ice making compartment 15C and small freezing compartment 15D. No partition wall is provided between the ice making compartment 15C and the small freezer compartment 15D and the main freezer compartment 15E.

A plurality of shelves are arranged in the refrigerator compartment 15A. A plurality of containers are arranged in the refrigerator compartment container (for example, chilled compartment container) arranged in the refrigerator compartment 15A, the vegetable compartment container arranged in the vegetable compartment 15B, the ice making compartment container arranged in the ice making compartment 15C, and the small freezer compartment 15D. and a small freezer compartment container arranged in the freezer compartment 15E, and four stages of containers 21 to 24 arranged in the freezer compartment 15E.

A cooling unit includes a compressor. The cooling unit includes, for example, coolers and fans arranged in cooling air passages formed by duct parts. The compressor is provided, for example, in the machine room at the bottom of the refrigerator 1 and compresses the refrigerant gas used for cooling the storage room 15 . Refrigerant gas compressed by the compressor is sent to the cooler via a suction pipe or the like.

The control board controls the refrigerator 1 as a whole. For example, the control board controls the driving of the fan, the compressor, etc., based on the detection results of the temperature sensors provided in the refrigerator compartment 15A and the freezer compartment 15E. The control board is mounted, for example, on the top wall 12 of the wall body 10 .

In the cooling unit, cold air cooled by the cooler flows into the cooling air passage due to the rotation of the fan. The cool air that has flowed into the cooling air passage is blown upward into the refrigerating compartment 15A and the vegetable compartment 15B from outlets (not shown) formed in the passage forming parts while flowing upward.

A door container whose height position can be changed and a door container fixed to the lower part are detachably attached to the rear surface side of the left refrigerating compartment door 11Aa.

Here, the configurations of right refrigerator compartment door 11Ab, vegetable compartment door 11B, ice making compartment door 11C, small freezer compartment door 11D, and main freezer compartment door 11E are the same as those of left refrigerator compartment door 11Aa. That is, the configurations of the right refrigerator compartment door 11Ab, the vegetable compartment door 11B, the ice making compartment door 11C, the small freezer compartment door 11D, and the main freezer compartment door 11E are described in the above description of the left refrigerator compartment door 11Aa. 11Aa" can be read as "right refrigerator compartment door 11Ab", "vegetable compartment door 11B", "ice making compartment door 11C", "small freezer compartment door 11D", or "main freezer compartment door 11E".

[Composition of the freezer compartment]
Next, a specific structure of freezer compartment 15E will be described with reference to the drawings.

As shown in FIGS. 2 to 7, the freezer compartment 15E has a drawer-type main freezer compartment door 11E. The freezer compartment 15E opens when the main freezer compartment door 11E moves forward from the opening 15a of the wall 10 and separates from the opening 15a, and moves backward to open the main freezer compartment door 11E. The structure is such that the freezer compartment 15E is closed when positioned so as to block the portion 15a. In addition, in some figures, the main freezer compartment door 11E is omitted for easy viewing if necessary.

In the freezer compartment 15E, four stages of containers 21 to 24 for storing objects are arranged vertically. Hereinafter, in this embodiment, among the four containers 21 to 24, the first container from the bottom is the first container 21, the second container from the bottom is the second container 22, and the third container from the bottom is the container. The third container 23 and the fourth container from the bottom are referred to as the fourth container 24 in the following description. That is, the container 20, the first container 21, the second container 22, the third container 23, and the fourth container 24 are arranged in order from the bottom to the top.

The thickness (height) of each of the containers 21 to 24 is the first container 21, the second container 22, the fourth container 24, and the third container 23 in descending order of thickness. The third container 23 is formed to be the thinnest.

As shown in FIG. 6, the first container 21 has door fixing plates 211 fixed to the left and right sides of the front surface 21A, and the main freezer compartment door 11E (see FIGS. 3 to 5) is fixed to the front surfaces of these door fixing plates 211. It is As shown in FIGS. 3 to 5, the upper front ends of the second container 22, the third container 23, and the fourth container 24 have hand-held portions 221, 231, and 241, respectively, which can be pulled out by hand.

As shown in FIG. 2, each container 21 to 24 is guided by a sliding portion (a first guide member 6A, a second guide member 6B, and a guide groove 31, which will be described later) provided on the inner surface 3a of the inner box 3. It is provided so as to be movable in the front-rear direction. Further, as shown in FIG. 7, the second container 22 is placed on the upper edge 212 of the first container 21 below, and is guided by the upper edge 212 so as to move against the first container 21. As shown in FIG. It is provided so as to be movable in the front-rear direction. FIG. 3 shows the state when the main freezer compartment door 11E is fully closed. As shown in FIG. 3, the containers 21 to 24 have different longitudinal lengths. Specifically, the dimensions of the first container 21 and the fourth container 24 are set to be the longest, and the dimensions of the third container 23 and the second container 22 are set to be the shortest.

As shown in FIGS. 4 and 5, the first container 21 is a deep, substantially rectangular parallelepiped container with an open top. The first container 21 is composed of a front surface 21A, a rear surface 21B, both side surfaces 21C, and a bottom surface 21D. As shown in FIG. 2, the upper edges of the left and right side surfaces 21C are provided with first sliding support portions that protrude outward in the left-right direction in the form of flanges. The first sliding support portion is placed on the upper surface 6b of the first guide member 6A, and is movable in the front-rear direction along the upper surface 6b so as to be able to be pulled out.

As shown in FIGS. 3 and 7, the height of the upper end of the rear surface 21B is lower than the front surface 21A and both side surfaces 21C, 21C. The height of the rear surface 21B is set so that the second container 22 placed overlapping the first container 21 can pass over the rear surface 21B in the front-rear direction.

As shown in FIG. 6, the door fixing plate 211 fixed to the front surface 21A extends from the front surface 21A along the side surface 21C and is bent into an L shape. A tip portion 63a of the first guide member 6A is fixed to a portion (side piece 211a) of the door fixing plate 211 located on the side surface 21C side.

As shown in FIGS. 4 and 5, the second container 22 is a substantially rectangular parallelepiped container with an open upper surface. The second container 22 is composed of a front surface 22A, a rear surface 22B, both side surfaces 22C, and a bottom surface 22D. As shown in FIG. 2, the upper edges of the left and right side surfaces 22C are provided with second sliding support portions 223 that protrude outward in the left-right direction in the form of flanges. The second sliding support portion 223 (see FIG. 9) is mounted on the lower surface 31a of the guide groove 31 formed on the inner surface 3a of the inner case 3 of the refrigerator 1 to extend in the front-rear direction. can be pulled out in the front-rear direction.

As shown in FIG. 2 , the second container 22 is placed in a state in which the substantially lower half portion 22 a of the second container 22 is fitted inside the first container 21 . That is, the second container 22 is provided in an overlapping state on the first container 21 and is provided so as to be movable in the front-rear direction with respect to the first container 21 . As shown in FIGS. 6 and 7, when the main freezer compartment door 11E is opened and the first container 21 is pulled out, the second container 22 is pulled forward while being placed on the first container 21. . That is, the second container 22 is pulled out in conjunction with the first container 21 at the maximum pull-out position P1 of the first container 21 . Since the second container 22 can be moved in the front-rear direction with respect to the first container 21, for example, when an object is to be taken in and out of the back (rear part) of the first container 21, the The opening of the first container 21 can be opened by moving only the second container 22 rearward and arranging it in the freezer compartment 15E.

As shown in FIGS. 4, 5 and 8, the third container 23 is the shallowest substantially rectangular parallelepiped container with an open top. The third container 23 is composed of a front surface 23A, a rear surface 23B, both side surfaces 23C, and a bottom surface 23D. As shown in FIGS. 2 and 9, the upper edge portions of the left and right side surfaces 23C are provided with third sliding support portions 231 that protrude outward in the left-right direction in the form of flanges. The third sliding support portion 231 is guided by the second sliding portion 67 of the second guide member 6B and moved in the front-rear direction so as to be able to be pulled out. As shown in FIGS. 6 and 7, the third container 23 is in a state of being placed on the second container 22 from above halfway when it is pulled out, and extends in the front-rear direction along the upper edge 222 of the second container 22. As shown in FIGS. slide.

As shown in FIG. 8, the front portion of the bottom surface 23D of the third container 23 is provided with a pull piece 235 projecting downward to engage the rear surface 22B of the second container 22 from the front ( See Figure 6). The traction pieces 235 are provided on both left and right sides of the bottom surface 23D. When the second container 22 is pulled out, as the rear surface 22B of the second container 22 moves forward, the traction piece 235 moves forward by being caught from the front of the rear surface 22B. As a result, the front portion of the third container 23 is pulled out in conjunction with the second container 22 . As shown in FIG. 10, the third container 23 is provided so as to be able to be pulled forward from the second container 22 .

As shown in FIGS. 7, 8 and 10, the third container 23 is provided with an overhang projection 234 that projects rearward from the rear surface 23B of the rear end. The protruding protrusions 234 are provided on both left and right ends of the rear surface 23B. When the third container 23 is pulled out to the frontmost portion, at least a portion of the projecting projection 234 overlaps with the fourth container 24 when viewed from above.

As shown in FIGS. 4, 5 and 11, the fourth container 24 is a shallow, substantially rectangular parallelepiped container with an open top. The fourth container 24 is composed of a front surface 24A, a rear surface 24B, both side surfaces 24C, and a bottom surface 24D. As shown in FIGS. 9 and 11 , fourth sliding support portions 243 projecting outward in the left and right direction are provided at approximately the center portions in the vertical direction of the left and right side surfaces 24C. As shown in FIG. 9, the fourth sliding support portion 243 is guided by the first sliding portion 66 of the second guide member 6B and moved in the front-rear direction so as to be able to be pulled out.

As shown in FIGS. 11 and 12, a pair of projecting projections 244 projecting rearward are provided on both left and right ends of the rear surface 24B of the fourth container 24 . The fourth sliding support portion 243 is provided in a state of extending from the front surface 24A to the tip of the projecting projection 244. As shown in FIG.

A substantially tubular stopper 245 that protrudes downward at least from the fourth sliding support portion 243 is provided at the rear end portion of the fourth sliding support portion 243 . As shown in FIG. 13, the stopper 245 slides on the lower surface 66a of the first sliding portion 66 when the fourth container 24 moves in the front-rear direction. When the fourth container 24 is pulled out to the maximum, the stopper 245 engages with a pulley 68 provided on a first sliding portion 66 of the second guide member 6B, which will be described later, from behind to prevent movement by drawing. to stop By further pulling out the fourth container 24 from the maximum pulled-out position, the stopper 245 climbs over the pulley 68 and the fourth container 24 can be removed from the first sliding portion 66 .

As shown in Figs. 12 and 13, in the inner case 3, when the fourth container 24 is fully closed, the overhanging projection 244 enters a position facing the overhanging projection 244 in the front-rear direction on the rear surface of the freezer compartment 15E. A recess 33 is formed.

As shown in FIGS. 14 and 15, a first guide member 6A supporting the first container 21 shown in FIG. 2 so as to be movable in the front-rear direction is formed of a steel plate, and is mounted on both sides of the inner box 3 forming the freezer compartment 15E. It is fixed to the inner side surface 3a so as to extend in the front-rear direction. The first guide member 6A includes a fixed rail 61 fixed to the inner box 3, an intermediate rail 62 slidably supported so as to protrude forward from the fixed rail 61, and an intermediate rail 62 protruding forward from the intermediate rail 62. and a movable rail 63 slidably supported on the . That is, the first guide member 6A is pulled forward in two stages by the intermediate rail 62 and the movable rail 63. As shown in FIG. A front end portion 63 a of the movable rail 63 is fixed to a side piece 211 a of a door fixing plate 211 provided at the front end portion of the first container 21 . The fixed rail 61, the intermediate rail 62, and the movable rail 63 each have a substantially U-shaped cross section.

As shown in FIG. 14, the fixed rail 61 includes a first plate-shaped portion 611, a pair of upper and lower first flange portions 612 extending inward in the left-right direction from the upper and lower ends of the first plate-shaped portion 611, A first guide portion 613 extending in the front-rear direction is provided in the vertical center of the inner surface 611 a of the first plate-shaped portion 611 .

The intermediate rail 62 includes a second plate-shaped portion 621 guided by the first guide portion 613 and a pair of upper and lower second flanges 622 extending inward in the left-right direction from the upper and lower ends of the second plate-shaped portion 621. and a second guide portion 623 extending in the front-rear direction in the vertical center of the inner surface 621 a of the second plate-shaped portion 621 . The second plate-shaped portion 621 is set smaller in plate width (vertical length) than the first plate-shaped portion 611 . The intermediate rail 62 is arranged so as to be interposed between the pair of upper and lower first flanges 612 , 612 of the fixed rail 61 . A first ball bearing 64 is interposed between the upper and lower first flange portions 612 and the second flange portions 622, and the intermediate rail 62 is slidably held with respect to the fixed rail 61. is effectively integrated with

The movable rail 63 includes a third plate-shaped portion 631 guided by a second guide portion 623, and a pair of upper and lower third flanges 632 extending outward in the left-right direction from the upper and lower ends of the third plate-shaped portion 631. and have The third plate-shaped portion 631 is set smaller in plate width (vertical length) than the second plate-shaped portion 621 . The movable rail 63 is arranged so as to be interposed between the pair of upper and lower second flanges 622 and 6122 of the intermediate rail 62 . A second ball bearing 65 is interposed between the second flange portion 622 and the third flange portion 632 on the upper and lower sides, and the movable rail 63 is slidably held with respect to the intermediate rail 62. is effectively integrated with

As shown in FIG. 6, in a state in which the first guide member 6A is pulled out from the freezer compartment 15E together with the main freezer compartment door 11E by the door opening operation, the first guide member 6A fixed to the movable rail 63 via the door fixing plate 211 is opened. 1 container 21 is largely drawn forward from the front opening. In addition, when the rails 61, 62, and 63 are pulled out to a large extent, the spaces between the fixed rail 61 and the intermediate rail 62 and between the intermediate rail 62 and the movable rail 63 are held by a holding mechanism (not shown) so that they do not separate. held in the extended position.

In this way, the first guide member 6A supports the substantially middle portion of the first container 21 in the vertical direction by means of the movable rails 63. As shown in FIG. As shown in FIG. 9, the first flange 213 of the first container 21 is placed on the upper surface 6b of the first guide member 6A. slides the upper surface 6b forward.

As shown in FIG. 9, the second guide member 6B that supports the third container 23 and the fourth container 24 so as to be movable in the front-rear direction is formed of a member made of resin. It is fixed so as to extend in the front-rear direction at a position above the first guide member 6A on both inner side surfaces 3a. The second guide member 6B includes a first sliding portion 66 for guiding the fourth container 24 and a second sliding portion 67 for guiding the third container 23 adjacent to the lower side of the first sliding portion 66. and have. The first sliding portion 66 is located outside the second sliding portion 67 in the left-right direction.

The first sliding portion 66 has a concave groove extending in the front-rear direction. A fourth sliding support portion 243 of the fourth container 24 is fitted to the first sliding portion 66 so as to be slidable in the front-rear direction. As shown in FIG. 13, a pulley 68 is provided in front of the first sliding portion 66 to support the fourth sliding support portion 243 from below. The fourth sliding support portion 243 smoothly slides on the first sliding portion 66 as the pulley 68 rotates. The pulley 68 is provided at a height at which the fourth sliding support portion 243 of the fourth container 24 supported by the first sliding portion 66 is horizontal. A lower end 245 a of the stopper 245 is positioned below the upper end 68 a of the pulley 68 . Therefore, when the fourth container 24 is pulled out to the maximum, the stopper 245 is engaged with the pulley 68 from behind to restrict the movement of the fourth container 24 , thereby suppressing the fourth container 24 from slipping out of the first sliding portion 66 . can.

Similarly to the first sliding portion 66, the second sliding portion 67 also has a concave groove extending in the front-rear direction. The third flange portion 233 of the third container 23 is fitted to the second sliding portion 67 so as to be slidable in the front-rear direction.

In this embodiment, the second guide member 6B is integrally provided with the first sliding portion 66 and the second sliding portion 67, and the fourth container 24 and the third container 23 are connected to the second guide member 6B. , but is not limited to such a configuration. That is, the first sliding portion 66 and the second sliding portion 67 may be independently provided in the second guide member 6B.

As shown in FIGS. 16 to 20, the first guide member 6A and the second guide member 6B are each fixed to a reinforcing member 7 attached to the outside of the inner box 3 (on the side of the foamed heat insulating material 5). The reinforcement member 7 provided on the side of the first guide member 6A will be specifically described. The reinforcing member provided on the side of the second guide member 6B has the same structure as the reinforcing member 7 on the side of the first guide member 6A, so detailed description thereof will be omitted here.

As shown in FIG. 6, the reinforcing member 7 is provided for fixing the first guide member 6A that guides the first container 21 so as to be able to be drawn out, to the inner surface 3a of the inner box 3, and the outer surface 3b ( (the surface facing the foamed heat insulating material 5). That is, the reinforcing member 7 is attached to the outer surface 3b of the inner box 3 corresponding to the first guide member 6A, and has a height dimension and a longitudinal dimension (in this embodiment, the first guide member 6A) that substantially covers the first guide member 6A. The reinforcing member 7 is set shorter than the guide member 6A). The reinforcing member 7 is arranged between the inner box 3 and the outer box 4, is embedded in the foamed heat insulating material 5, and is fixed in a state of being pressed against the outer surface 3b of the inner box 3 by the urethane foam of the foamed heat insulating material 5. there is

Here, the inner side surface 3a of the inner box 3 has a guide member fixing portion 32 which protrudes from the inside to the outside and to which the first guide member 6A (specifically, the fixed rail 61) is fixed on the inner side surface 3a side. ing. The guide member fixing portion 32 is a region extending in the front-rear direction. As shown in FIG. 16, a positioning projection 321 is formed on the outer surface 32b side of the guide member fixing portion 32. As shown in FIG. That is, a concave portion 322 is formed on the inner surface of the guide member fixing portion 32 of the positioning convex portion 321 . Further, as shown in FIGS. 17 and 18, the rear portion of the guide member fixing portion 32 has a non-reinforced area 323 to which the reinforcing member 7 is not attached. That is, in this embodiment, the longitudinal dimension of the reinforcing member 7 is shorter than the longitudinal dimension of the first guide member 6A.

Further, the guide member fixing portion 32 has a rectangular engagement hole 324 that penetrates the inner box 3 in the thickness direction, and as shown in FIG. A screw hole 325 for fixing is formed. A hook 73 (FIGS. 17 and 18) of the reinforcing member 7, which will be described later, is inserted into the engaging hole 324 from the outside and hooked from one side in the front-rear direction (here, the front) to be engaged.

As shown in FIGS. 17 to 19, the reinforcing member 7 includes a positioning concave portion 71 fitted to the positioning convex portion 321 and a plate-like reinforcing plate main body 70 bent from the lower end toward the inner box 3 side to fix the guide member. It has a lower end support portion 72 that contacts the lower surface 32c of the portion 32 from below, and a hook 73 that is provided on the inner surface side of the reinforcing plate main body 70 . The hook 73 is positioned by engaging with an engagement hole 324 formed in the guide member fixing portion 32 of the inner box 3 . The reinforcing plate main body 70 of the reinforcing member 7 is provided with screw holes 76 at a plurality of locations (here, two locations) in the longitudinal direction. At least a portion of the outer peripheral edge of the reinforcing plate main body 70 is formed with a linearly extending reinforcing projection 74 .

When installing the reinforcing member 7 , the lower end support portion 72 is brought into contact with the lower surface 32 c of the guide member fixing portion 32 to position the reinforcing member 7 in the vertical direction, and the reinforcing member 7 is slid rearward to be mounted on the reinforcing plate main body 70 . The hooks 73 are engaged with the engaging holes 324 formed in the inner box 3 and the positioning recesses 71 are fitted into the positioning protrusions 321 of the inner box 3 for positioning.

Then, the first guide member 6A is fixed with screws 75 from the inside of the freezer compartment 15E. After that, by filling the gap between the inner box 3 and the outer box 4 with a foamed heat insulating material 5 such as urethane foam, the reinforcing member 7 is embedded in the foamed heat insulating material 5 and hardened by the hardening of the foamed heat insulating material 5. It is fixed to the inner box 3. Since the reinforcing ridges 74 are formed on the outer peripheral edge of the reinforcing plate main body 70, the reinforcing plate main body 70 is prevented from warping or deforming even when the foamed heat insulating material 5 is foamed and filled.

By fixing two front and rear portions of the fixed rail 61 to the reinforcing member 7 with screws 75, the fixed rail 61, the intermediate rail 62 and the movable rail 63 are superimposed and integrated into a first rail. It can be fixed to the inner surface 3a of the inner box 3 as the guide member 6A.

Further, as shown in FIG. 21 , a bulging convex portion 326 bulging from the inside to the outside is formed in the non-reinforced region 323 of the guide member fixing portion 32 in the inner case 3 . By filling the gap between the inner box 3 and the outer box 4 with foamed heat insulating material 5 such as urethane foam, the bulging protrusion 326 is deformed so that the non-reinforced area 323 of the inner box 3 expands toward the freezer 15E. It is provided to prevent That is, when the non-reinforced area 323 swells toward the freezer 15E side, the first guide member 6A cannot be fixed to the guide member fixing portion 32 in close contact with the guide member fixing portion 32, and a gap is formed between the first guide member 6A and the guide member fixing portion 32. In addition, it is possible to prevent the first guide member 6A from being shifted or tilted and fixed.

Next, the operation and action of refrigerator 1 will be described.

According to the refrigerator 1 according to the present embodiment, the freezer compartment 15E of the storage compartment 15 is provided with at least four stages of containers 21 to 24 that can be pulled out in the front-rear direction. When the containers (here, the first container 21 and the second container 22) are pulled out, the lower first container 21 and the upper second container 22 of the two containers 21 and 22 are pulled out in conjunction with each other. The front portion of the third container 23 provided directly above the second container 22 is pulled out in conjunction with the second container 22 .

Thus, when the door of the freezer compartment 15E is pulled and the first container 21 is pulled out, the second container 22 is pulled out together with the first container 21, and the second container 22 and the third container 23 are pulled out together. The parts are pulled out together. When the main freezer compartment door 11E of the freezer compartment 15E is opened in this way, not only the first container 21, but also at least the front parts of the second container 22 and the third container 23 are pulled out of the freezer compartment 15E. can be reduced. Moreover, since the front portion of the third container 23 is also pulled out, it is easy to put a hand on the handle portion 231 provided in the front portion, and the stored items stored in the front portion of the third container 23 can be easily seen. There are advantages.

According to the refrigerator 1 according to the present embodiment, the fourth container 24 provided directly above the third container 23 has a movement range smaller than the movement range of the interlocking operation in which the third container 23 is pulled out in conjunction with the second container 22. , or separately from the third container 23 and movable independently. As a result, the fourth container 24 can be moved independently from the other containers 21, 22, and 23, or can be interlocked within a smaller movement range than the interlocking movement of the third container 23. It is possible to prevent the door from being partially opened when an object is not put into or taken out of the fourth container 24 . For this reason, the fourth container 24 is suitable as a container for containing a substance that is difficult to melt, such as quick freezing.

According to the refrigerator 1 according to this embodiment, the fourth container 24 is provided separately from the third container 23 so that it can be pulled out independently. As a result, the fourth container 24 can be operated independently of the other containers 21, 22, and 23, so that the half door can be opened even when the objects to be contained in the fourth container 24 are not taken in and out. It is possible to avoid being released as For this reason, the fourth container 24 is suitable as a container for containing a substance that is difficult to melt, such as quick freezing.

According to the refrigerator 1 according to the present embodiment, the inner surface of the side wall of the storage compartment (the freezer compartment 15E in the present embodiment) is provided with a first container for moving two containers (the first container 21 and the second container 22) so that they can be drawn out. A guide member 6A and a second guide member 6B for moving the fourth container 24 so as to be drawn out are provided. Thereby, the height of the freezer compartment 15E can be suppressed, and a small container whose height is suppressed can be installed.

According to the refrigerator 1 according to the present embodiment, the second guide member 6B includes the first sliding portion 66 for sliding the fourth container 24, the second sliding portion 67 for sliding the third container 23, , and the first sliding portion 66 and the second sliding portion 67 are integrally provided. As a result, the second guide member 6B has a configuration in which the two sliding portions 66 and 67 are integrated with one component, so that the upper and lower portions between the first sliding portion 66 and the second sliding portion 67 are separated. The interval can be narrowed, and the height of the freezer compartment 15E can be suppressed.

According to the refrigerator 1 of the present embodiment, the third container 23 moves forward while being guided by the second sliding portion 67 at the beginning of the drawing process, and is pushed onto the second container 22 in the middle of the drawing process. It slides along with the container 22 . As a result, the length of the second sliding portion 67 that guides the third container 23 can be shortened, the load that receives the load of the third container 23 can be reduced, and the structure can be simplified. easier.

According to the refrigerator 1 according to the present embodiment, the first container 21, the second container 22, the third container 23, and the fourth container 24 are arranged such that the left and right sides of the first container 21, the second container 22, the third container 23, and the fourth container 24 are alternately shifted in the horizontal direction in the order of overlapping in the vertical direction. is engaged with either one of the first guide member 6A and the second guide member 6B. As a result, the vertical arrangement interval (height) of the guide members can be reduced, and the height of the freezer compartment 15E can be suppressed.

According to the refrigerator 1 according to this embodiment, the container thickness can be reduced in the order of the first container 21, the second container 22, the fourth container 24, and the third container 23. FIG.

According to the refrigerator 1 according to the present embodiment, the traction piece 235 projecting downward is provided in front of the lower surface of the third container 23, and the third container 23 moves the second container 22 forward. By locking, it moves forward in conjunction with the second container 22 . As a result, when the second container 22 is pulled out, the pulling piece 235 of the third container 23 can be engaged with the second container 22 so that the third container 23 can be pulled and interlocked.

According to the refrigerator 1 according to this embodiment, the storage compartment 15 is the freezer compartment 15E. As a result, the usability of the freezer compartment 15E is improved, and a refrigerator excellent in usability can be provided.

According to the refrigerator 1 according to this embodiment, the freezer compartment 15E is arranged on the lowest side among the plurality of storage compartments. As a result, even if the freezer compartment 15E, which is used infrequently, is arranged at the lowest position where it is difficult to take out the stored objects, it is possible to improve usability.

According to at least one of the embodiments described above, it is possible to provide a refrigerator that is easy to use as a refrigerator.

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

In addition, in this embodiment, it is applied to the freezer compartment 15E and applied to the refrigerator 1 in which this freezer compartment 15E is arranged as the lowest storage compartment 15 in the refrigerator, but it is not limited to this. That is, the configuration of this embodiment is not limited to the freezer compartment 15E, and may be applied to the vegetable compartment 15B. For example, it is possible to apply the present invention to the freezer compartment 15E in the case where the vegetable compartment 15B is at the bottom and the freezer compartment 15E is provided in the middle above the vegetable compartment 15B.

In the storage compartment 15 of the refrigerator 1A according to the first modification shown in FIG. 22, the vegetable compartment 15B is arranged at the bottom, and the freezer compartment 15E is arranged above the vegetable compartment 15B. The construction of the containers 21 to 24 and the guide members 6A and 6B of the present invention is applied to the freezer compartment 15E arranged in the center in the vertical direction. Of course, it is also possible to apply the configurations of the containers 21 to 24 and the guide members 6A and 6B of the present invention to the lower vegetable compartment 15B.

In the storage compartment 15 of the refrigerator 1B according to the second modification shown in FIG. 23, the freezer compartment 15E is arranged at the bottom, and the vegetable compartment 15B is arranged above the freezer compartment 15E. The construction of the containers 21 to 24 and the guide members 6A and 6B of the present invention is applied to the vegetable compartment 15B arranged in the center in the vertical direction.

Furthermore, in this embodiment, the first guide member 6A and the second guide member 6B are provided at different positions in the left-right direction. located, but not limited to. For example, the first guide member 6A and the first guide member 6B may be aligned in the horizontal direction.

For example, in a refrigerator 1C according to a third modified example shown in FIG. 6 A of guide members are arrange|positioned inside the 2nd guide member 6B in the left-right direction. Thereby, it is possible to prevent the portions of the vertically arranged containers 21 to 24 that engage with the guide members 6A and 6B from interfering with each other.

In a refrigerator 1D according to a fourth modification shown in FIG. 25, a first sliding portion 66 and a second sliding portion 67 of a second guide member 6B are aligned in the horizontal direction at the same position, and the second guide member 6B is arranged inside the first guide member 6A in the left-right direction. Thereby, it is possible to prevent the portions of the vertically arranged containers 21 to 24 that engage with the guide members 6A and 6B from interfering with each other.

Further, in the present embodiment, the freezer compartment 15E (storage compartment) having four stages of containers 21 to 24 is used as an example, but the number of containers is not limited to four stages, and at least four stages are provided. Any storage room will suffice. That is, it is applicable to a storage room having five or more containers.

DESCRIPTION OF SYMBOLS 1, 1A-1D... Refrigerator, 3... Inner box, 4... Outer box, 5... Foam insulation material, 6A... First guide member, 6B... Second guide member, 7... Reinforcing member, 10... Wall body, 11E... Main freezer compartment door 15B Vegetable compartment 15E Freezer compartment 21 First container 21B Rear surface 22 Second container 23 Third container 24 Fourth container 3 Inner box 3a Inner surface 3b Outer surface 32 Guide member fixing portion 33 Concave portion 234 Overhang projection 243 Fourth sliding support portion 244 Overhang projection 321 Positioning convex portion 322 Recess 323 Non Reinforcement area 326... Swelling convex part

Claims (13)

Provided in the storage room and having at least four containers that can be pulled out in the front and back direction,
When pulling out two of the containers that overlap one another, the lower first container and the upper second container of the two containers are pulled out in conjunction with each other,
A refrigerator in which a front portion of a third container provided directly above the second container is pulled out in conjunction with the second container. A fourth container provided directly above the third container can be interlocked with a movement range smaller than a movement range of an interlocking operation in which the third container is pulled out interlockingly with the second container, or is separate from the third container. is independently movable with
Refrigerator according to claim 1. The fourth container is provided separately from the third container so that it can be pulled out independently,
The refrigerator according to claim 2. On the inner surface of the side wall of the storage chamber,
a first guide member for moving the two containers so that they can be pulled out;
a second guide member that moves the fourth container so that it can be drawn out;
The refrigerator according to claim 3. The second guide member has a first sliding portion that slides the fourth container and a second sliding portion that slides the third container,
The first sliding portion and the second sliding portion are provided integrally,
The refrigerator according to claim 4. The third container moves forward while being guided by the second sliding portion in the initial stage of drawing, and slides together with the second container while riding on the second container in the middle of drawing.
The refrigerator according to claim 5. The first guide member is arranged inside the second guide member in the left-right direction,
A refrigerator according to any one of claims 4 to 6. The second guide member is arranged inside the first guide member in the left-right direction,
A refrigerator according to any one of claims 4 to 6. The first container, the second container, the third container, and the fourth container are arranged such that the first guide member and the second guide member are arranged such that the left and right side surfaces of the first container, the second container, the third container, and the fourth container are alternately shifted in the left and right direction in the order of overlapping in the vertical direction. engaged with either one of the members;
A refrigerator according to any one of claims 4 to 8. The container thickness decreases in the order of the first container, the second container, the fourth container, and the third container,
A refrigerator according to any one of claims 2 to 9. A traction piece protruding downward is provided in front of the lower surface of the third container,
The third container moves forward in conjunction with the second container moving forward by engaging the traction piece with the second container moving forward.
A refrigerator according to any one of claims 1 to 10. the storage compartment is a freezer compartment,
A refrigerator according to any one of claims 1 to 11. The freezer compartment is arranged at the bottom of the plurality of storage compartments,
The refrigerator according to claim 12.

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