WO2018163365A1 - Réfrigérateur - Google Patents

Réfrigérateur Download PDF

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Publication number
WO2018163365A1
WO2018163365A1 PCT/JP2017/009540 JP2017009540W WO2018163365A1 WO 2018163365 A1 WO2018163365 A1 WO 2018163365A1 JP 2017009540 W JP2017009540 W JP 2017009540W WO 2018163365 A1 WO2018163365 A1 WO 2018163365A1
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WO
WIPO (PCT)
Prior art keywords
refrigerator
wall portion
door
wall
reinforcing plate
Prior art date
Application number
PCT/JP2017/009540
Other languages
English (en)
Japanese (ja)
Inventor
優希 金井
花輪　純
中島　成巳
Original Assignee
三菱電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to SG11201905941VA priority Critical patent/SG11201905941VA/en
Priority to PCT/JP2017/009540 priority patent/WO2018163365A1/fr
Priority to CN201790000417.5U priority patent/CN208296437U/zh
Priority to JP2019504233A priority patent/JP6719646B2/ja
Publication of WO2018163365A1 publication Critical patent/WO2018163365A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers

Definitions

  • the present invention relates to the structure of a refrigerator, particularly a refrigerator door.
  • the thickness of the heat insulating material constituting a part of the refrigerator casing As a method of expanding the internal volume of the refrigerator without increasing the installation size of the refrigerator, there is a method of reducing the thickness of the heat insulating material constituting a part of the refrigerator casing.
  • the strength of the door depends on the thickness of the heat insulating material of the door. If the thickness of the heat insulating material of the door is reduced, the strength of the door is lowered. Therefore, in a refrigerator in which the thickness of the heat insulating material of the door is reduced, the door may be gradually deformed while repeating the opening and closing operation of the door.
  • the door of the refrigerator is composed of an outer plate and an inner plate that are arranged with a space between them, and a foam insulation is filled between the outer plate and the inner plate, and the foam insulation is made of metal.
  • a refrigerator configured by burying a reinforcing plate is proposed (for example, see Patent Document 1).
  • the conventional refrigerator has a structure in which the foot portion of the metal reinforcing plate and the flange portion of the outer plate are in contact with each other.
  • the reinforcing plate since the reinforcing plate has a small contact area between the reinforcing plate and the outer plate, the reinforcing plate cannot exert an effect as a reinforcement for preventing the deformation of the door. Therefore, in order to maintain the strength required for the refrigerator door, it is conceivable to change the thickness of the metal reinforcing plate installed in the refrigerator door.
  • the thickness of the metal reinforcing plate increases, the refrigerator door becomes heavier and the hinge of the refrigerator body may be deformed or buckled. Furthermore, due to the weight of the refrigerator door, the burden on the operator increases in the assembly of the door at the time of manufacture.
  • the present invention has been made in order to solve the above-described problems. Even if the structure of the heat insulating material of the refrigerator is thinned, the strength of the door is increased without increasing the thickness of the reinforcing plate installed inside the door. An object is to provide a retained refrigerator.
  • the refrigerator according to the present invention includes a heat insulating box having an opening and a box-like door provided to open and close the opening of the heat insulating box, and the door constitutes an outer peripheral wall of the door.
  • An outer wall portion an inner wall portion that is disposed to face the outer wall portion and that constitutes the wall portion on the opening side, a reinforcing plate that is disposed between the outer wall portion and the inner wall portion, and is fixed to the inner wall portion;
  • the inner wall portion includes a bulging portion that bulges toward the opening side of the heat insulating box body on each of the left and right end sides of the inner wall portion, and a bulging portion provided on the left and right end sides of the inner wall portion.
  • the reinforcing plate is formed in a flat plate shape, one surface is opposed to the outer wall portion, and the other surface is opposed to the flat plate portion.
  • the first side plate that is bent so as to rise from both the left and right ends of the flat portion and extends into the bulging portion When, of the first side plate portion, and the flat portion rising from the opposite end, and has a second side plate located in the bulging portion.
  • the first side plate portion is formed such that the inner wall portion of the door has the bulging portion, and the reinforcing plate is bent so as to rise from both the left and right ends of the flat portion and extends into the bulging portion. And a second side plate portion that rises from an end opposite to the flat portion of the first side plate portion and is located in the bulging portion.
  • the reinforcing plate has a first side plate portion and a second side plate portion that are well accommodated in the bulging portion, and thus has a plurality of bent shapes in the depth direction of the door. By having the formed shape, the strength of the door can be improved. Therefore, it is possible to obtain a refrigerator in which the strength of the door does not decrease even if the heat insulating material of the door is thinned.
  • FIG. 2 is a cross-sectional view of the refrigerator door shown in FIG. 1 along the line AA. It is a front view of the reinforcement board used for the refrigerator compartment door of the refrigerator which concerns on Embodiment 1 of this invention.
  • FIG. 5 is a sectional view taken along the line CC of the reinforcing plate shown in FIG. 4. It is a schematic enlarged view of the B section of the refrigerator compartment door shown in FIG. It is a figure which shows the direction of the force concerning a refrigerator compartment door when opening the door of a refrigerator.
  • FIG. 1 is a perspective view of a refrigerator according to Embodiment 1 of the present invention.
  • the X axis shown in FIG. 1 indicates the width direction of the refrigerator 1
  • the Y axis indicates the depth direction of the refrigerator 1
  • the Z axis indicates the vertical direction of the refrigerator 1. More specifically, the refrigerator 1 is described with the X1 side on the left side, the X2 side on the right side, the Y1 side on the front side, the Y2 side on the rear side, the Z2 side on the Z axis, and the Z2 side on the Z axis. To do.
  • the positional relationship (for example, vertical relationship etc.) between each structural member in a specification is a thing when installing the refrigerator 1 in the state which can be used in principle.
  • the width direction (X-axis direction), the depth direction (Y-axis direction), and the vertical direction (Z-axis direction) of the refrigerator 1 coincide with each direction of the refrigerator compartment door 9.
  • a refrigerator 1 shown in FIG. 1 is a cold-cooled refrigerator, and includes a heat insulating box 2 having an opening formed of a steel plate outer box and a resin inner box.
  • the heat insulating box 2 is configured by foaming and filling a heat insulating material between the outer box and the inner box.
  • the accommodation space inside the heat insulation box 2 is divided into a plurality of storage rooms.
  • Five types of storage chambers are formed.
  • the refrigerator compartment 3, the ice making compartment 4, the switching compartment 5, the freezer compartment 6, and the vegetable compartment 7 are partitioned by a partition member and insulated.
  • each storage room is arbitrary, for example, the vegetable compartment 7 may be arrange
  • the refrigerator 1 is not limited to the types of storage chambers and the number of storage chambers included in the refrigerator 1, and may include one or more storage chambers.
  • the interior of each storage room is set to a different temperature range depending on the food to be stored and the application.
  • the refrigerating room 3 is a storage room that is set to a refrigerating temperature zone (for example, about 3 to 5 ° C.) and stores a cooled object such as food.
  • the ice making chamber 4 is a storage chamber in which an ice making machine is provided and the ice produced by the ice making machine is stored.
  • the switching chamber 5 is a storage chamber that can switch the temperature zone according to the application.
  • the freezer compartment 6 is a storage compartment that is set to a freezing temperature zone of less than 0 ° C. (for example, ⁇ 18 ° C. or lower) and stores and freezes stored items.
  • the vegetable room 7 is a storage room that is set in a refrigeration temperature zone (for example, about 3 to 7 ° C.) having a higher set temperature than the refrigeration room 3 and is particularly suitable for refrigerated vegetables.
  • the refrigerator 1 has a box-shaped door provided to open and close the opening of the heat insulating box 2. Specifically, in the storage rooms of the refrigerator compartment 3, the ice making compartment 4, the switching compartment 5, the freezing compartment 6 and the vegetable compartment 7, the refrigerator compartment door 8, the refrigerator compartment door 9, the ice making compartment door 10, and the switching compartment door 11, respectively.
  • the freezer compartment door 12 and the vegetable compartment door 13 are provided so as to open and close the opening of each storage compartment. By opening and closing these doors, the storage compartments of the refrigerator compartment 3, the ice making compartment 4, the switching compartment 5, the freezer compartment 6 and the vegetable compartment 7 are opened to the outside space or blocked from the outside space.
  • the refrigerating room door 8 and the refrigerating room door 9 are double door-opening rotary doors, and the ice making room door 10, the switching room door 11, the freezing room door 12, and the vegetable room door 13 are drawer type doors.
  • the door of the refrigerator compartment 3 may be not a double door type door but a single-piece rotary door.
  • the refrigerator compartment door 8 and the refrigerator compartment door 9 will be described in more detail.
  • the heat insulation box 2 is provided with a hinge 14 that pivotally supports the refrigerator compartment door 8 so that the refrigerator compartment door 8 can be opened and closed.
  • the hinge 14 connects the heat insulation box 2 and the refrigerator compartment door 8.
  • the heat insulation box 2 is provided with a hinge 15 that pivotally supports the refrigerator compartment door 9 so that the refrigerator compartment door 9 can be opened and closed.
  • the hinge 15 connects the heat insulation box 2 and the refrigerator compartment door 9.
  • the refrigerator compartment door 8 and the refrigerator compartment door 9 can open and close the refrigerator compartment door 8 and the refrigerator compartment door 9 by pulling or pushing the handle 16 provided in the lower part of the refrigerator compartment door 8 and the refrigerator compartment door 9. it can.
  • FIG. 2 is an exploded view of the refrigerator compartment door used in the refrigerator according to Embodiment 1 of the present invention.
  • FIG. 3 is a cross-sectional view of the refrigerator door shown in FIG.
  • the structure of the refrigerator compartment door 9 which comprises the door of the refrigerator compartment 3 is demonstrated using FIG.2 and FIG.3.
  • the basic structure of the refrigerator compartment door 8 is the same as the refrigerator compartment door 9, and the description of the refrigerator compartment door 9 corresponds also to the refrigerator compartment door 8, description about the refrigerator compartment door 8 is abbreviate
  • the refrigerator compartment door 9 is a box-shaped door, and is arranged so as to face the outer wall portion 18 constituting the outer peripheral wall of the refrigerator compartment door 9 and the outer wall portion 18, and the wall portion on the opening side of the heat insulating box body 2. And an inner wall portion 19 constituting the.
  • the refrigerator compartment door 9 includes a reinforcing plate 20 that is disposed between the outer wall portion 18 and the inner wall portion 19 and is fixed to the inner wall portion 19.
  • the outer wall portion 18 includes an outer frame member 18b and a tempered glass plate 18a.
  • the outer frame member 18b is a resin frame, is formed as a rectangular frame when viewed from the front side of the refrigerator compartment door 9, has a thickness in the front-rear direction (Y-axis direction) of the refrigerator compartment door 9, The upper and lower side walls of the refrigerator compartment door 9 are formed.
  • the tempered glass plate 18a is a glass plate material that is formed in a flat plate shape and is subjected to, for example, thermal tempering treatment, chemical tempering treatment, etc., and is tempered against scratches and impacts.
  • the tempered glass plate 18a may be laminated to give a design.
  • the tempered glass plate 18a is attached and fixed to the outer frame member 18b using, for example, a double-sided tape.
  • the outer wall part 18 should just comprise the outer peripheral wall of the refrigerator compartment door 9, and does not necessarily need to be comprised from the outer frame material 18b and the tempered glass board 18a as mentioned above.
  • the outer wall 18 is bent on the left and right edges of the tempered glass plate 18a so that the left and right side walls of the refrigerator compartment door are also made of glass, and the upper edge of the tempered glass plate 18a.
  • the upper and lower frames of the resin member may be attached to the lower edge.
  • the outer wall portion 18 may be configured such that the left and right edges of a steel plate made of steel plate are bent, and a resin frame is fitted from the vertical direction of the metal plate.
  • the inner wall portion 19 is a resin plate material.
  • the inner wall portion 19 includes a bulging portion 19 a that bulges toward the opening side of the heat insulating box 2 across the vertical direction of the refrigerator compartment door 9 on both the left and right end sides of the inner wall portion 19, and And a flat plate portion 19b formed in a flat plate shape connecting between the bulging portions 19a provided on both end sides.
  • the bulging portions 19a provided on the left and right ends of the inner wall portion 19 are bent so as to rise from the left and right ends of the flat plate portion 19b, and are formed so as to extend to the opening side of the heat insulating box 2. It has the 1st side wall part 19a1.
  • the first side wall portions 19a1 formed on the left and right sides of the flat plate portion 19b are formed so as to face each other. Further, each of the bulging portions 19a provided on the left and right end sides of the inner wall portion 19 is bent so as to rise from the end portion of the first side wall portion 19a1 opposite to the flat plate portion 19b, and the outer wall portion 18 It has the 2nd side wall part 19a2 formed so that it may oppose. Furthermore, each of the bulging portions 19a provided on the left and right ends of the inner wall portion 19 is bent so as to rise from the end portion of the second side wall portion 19a2 opposite to the first side wall portion 19a1, and the outer wall portion It has the 3rd side wall part 19a3 formed so that it might extend to 18 side.
  • the third side wall 19a3 is formed so as to face the first side wall 19a1.
  • the peripheral edge portion 19 c of the inner wall portion 19 is in contact with the peripheral edge portion 18 c of the outer wall portion 18, and a space 21 is formed between the inner wall portion 19 and the outer wall portion 18.
  • the space 21 is filled with a foam heat insulating material such as urethane foam.
  • FIG. 4 is a front view of a reinforcing plate used for the refrigerator door of the refrigerator according to Embodiment 1 of the present invention.
  • FIG. 5 is a cross-sectional view taken along the line CC of the reinforcing plate shown in FIG.
  • the reinforcing plate 20 will be described with reference to FIGS.
  • the reinforcing plate 20 is a sheet metal that has been subjected to a plurality of bending processes, and is fixed to the inner wall portion 19 by using, for example, a double-sided tape for the purpose of suppressing distortion of the refrigerator compartment door 9. As shown in FIG.
  • the reinforcing plate 20 is formed in a flat plate shape, and has a flat portion 20a having one surface facing the outer wall portion 18 and the other surface facing the flat plate portion 19b. As shown in FIG. 3, the flat portion 20 a of the reinforcing plate 20 is in contact with the flat plate portion 19 b of the inner wall portion 19. Further, as shown in FIG. 5, the reinforcing plate 20 is bent so as to rise from both left and right ends of the flat portion 20a, and has a first side plate portion 20b formed so as to extend into the bulging portion 19a. . The first side plate portion 20b is formed so as to extend toward the second side wall portion 19a2 along the first side wall portion 19a1 of the bulging portion 19a.
  • the first side plate portion 20 b is formed across the vertical direction of the refrigerator compartment door 9. Further, the reinforcing plate 20 has a second side plate portion 20c that rises from an end portion of the first side plate portion 20b opposite to the flat portion 20a and is located in the bulging portion 19a.
  • the second side plate portion 20c is provided so that at least a part thereof faces the second side wall portion 19a2.
  • Each of the second side plate portions 20c connected to the first side plate portion 20b is formed so as to extend in a direction away from each other, and is formed over the vertical direction of the refrigerator compartment door 9.
  • each 2nd side board part 20c is formed in flat form, as shown in FIG.4 and FIG.5.
  • the refrigerator compartment door 9 is configured such that the second side plate portion 20c of the reinforcing plate 20 and the second side wall portion 19a2 of the bulging portion 19a are separated from each other.
  • a plurality of holes 25 penetrating the reinforcing plate 20 are formed in each second side plate 20 c in a row across the vertical direction of the refrigerator compartment door 9.
  • the hole 25 is described as a long hole whose major axis is the vertical direction of the refrigerator compartment door 9 in FIG. 4, the hole 25 may be a through hole, for example, a round hole, a short hole, or the like. It may be a hole having another shape such as a long hole, a square hole, or a long square hole whose axis is the vertical direction of the refrigerator door 9.
  • the hole part 25 is formed in 1 row over the up-down direction of the refrigerator compartment door 9 in each 2nd side board part 20c in FIG.
  • the holes 25 are not limited to those formed in one row across the vertical direction of the refrigerator compartment door 9, and the holes 25 are arranged in a plurality of rows across the vertical direction of the refrigerator compartment door 9. It may be formed.
  • FIG. 6 is a schematic enlarged view of part B of the refrigerator door shown in FIG.
  • a heat insulating material is poured into a box-shaped outer wall portion 18, and an inner wall portion 19 to which a reinforcing plate 20 is fixed is put on the outer wall portion 18 into which the heat insulating material is poured, and the outer wall portion 18 and the inner wall portion are covered. 19 is pressed and integrated. At this time, the heat insulating material passes through the hole 25 and flows from the outer wall 18 side to the inner wall 19 side.
  • the heat insulating material is formed between the space 21a formed by the bulging portion 19a and the first side wall portion 19a1 of the inner wall portion 19 and the first side plate portion 20b of the reinforcing plate 20 as indicated by an arrow F passing through the hole portion 25.
  • the space 21b is filled up.
  • the space 21a is a space surrounded by the first side wall portion 19a1, the second side wall portion 19a2, and the third side wall portion 19a3.
  • FIG. 7 is a diagram showing the direction of the force applied to the refrigerator compartment door when the refrigerator door is opened.
  • the user can open the refrigerator compartment door 9 by pulling the handle 16 provided at the lower part of the refrigerator compartment door 9.
  • the refrigerator compartment door 9 rotates with the rotation axis formed by fitting the hinge 15 of the heat insulation box 2 and the shaft hole portion 24 of the refrigerator compartment door 9 as a starting point.
  • the handle 16 is subjected to a force P that pulls the refrigerator compartment door 9 by the user, and the handle 16 is the portion to which the most force is applied when the refrigerator compartment door 9 is opened.
  • the pulling force P is the direction of the axis of rotation of the refrigerator compartment door 9 from the handle 16 when the refrigerator compartment door 9 is opened manually.
  • a force is applied diagonally above.
  • the reinforcing plate 20 has a first side plate portion 20 b bent so as to rise from both left and right ends of the flat portion 20 a with respect to the pulling force P, and an end portion of the first side plate portion 20 b. And a second side plate portion 20c bent so as to stand up.
  • the refrigerating chamber door 9 has a plurality of bent shapes in the depth direction.
  • the strength of the refrigerator compartment door 9 can be improved by having this bent shape.
  • the reinforcing plate 20 includes the first side plate portion 20b and the second side plate portion 20c, the sectional moment with respect to the force P for pulling the refrigerator compartment door 9 increases, so that the bending rigidity increases, and the refrigerator compartment door 9 The strength of can be improved.
  • FIG. 8 is a comparative diagram showing the direction of the force for fixing the reinforcing plate.
  • the left diagram in FIG. 8 is a diagram illustrating a configuration in the case where the hole 25 is not formed in the second side plate portion 20c of the reinforcing plate 20.
  • the right view of FIG. 8 is a diagram illustrating a configuration in which a hole portion 25 is formed in the second side plate portion 20c of the reinforcing plate 20.
  • the left diagram and the right diagram in FIG. 8 compare the direction of the force for fixing the reinforcing plate 20 with or without the hole 25 formed in the second side plate portion 20c of the reinforcing plate 20.
  • the space 21, the space 21a, and the space 21b in FIG. 8 are filled with a heat insulating material.
  • the arrow shown in FIG. 8 is the pressure added from a heat insulating material, and is the force which fixes a reinforcement board.
  • the reinforcement board 20 is restrained with the force P1 (pressure and frictional force) with respect to the surface of the reinforcement board 20.
  • the reinforcement board 20 is the force P1 (pressure and frictional force) with respect to the surface of the reinforcement board 20
  • P2 pressure and frictional force
  • the refrigerator 1 includes the first side plate portion 20b and the second side plate portion 20c in which the reinforcing plate 20 is well accommodated in the bulging portion 19a, so that a plurality of the reinforcing plates 20 are arranged in the depth direction of the refrigerator compartment door 9.
  • the strength of the refrigerator compartment door 9 can be improved by having the bent shape.
  • the reinforcing plate 20 has the 1st side board part 20b and the 2nd side board part 20c, since the cross-sectional secondary moment with respect to the force P which pulls the refrigerator compartment door 9 becomes large, the refrigerator 1 increases bending rigidity, The strength of the refrigerator compartment door 9 can be improved. Therefore, the refrigerator 1 can be obtained in which the strength of the door does not decrease even if the heat insulating material of the refrigerator compartment door 9 is thinned.
  • the refrigerator 1 has the hole 25 formed in the second side plate portion 20c, so that the reinforcing plate 20 is fixed by being suppressed by the force P1 (pressure and frictional force) against the surface of the reinforcing plate 20. At the same time, it is fixed by being suppressed by a force P2 (pressure and frictional force) against the edge of the hole 25. Therefore, the refrigerator compartment door 9 is subjected to a force P2 (pressure and frictional force) against the edge of the hole 25, and can increase the force for fixing the reinforcing plate 20. As a result, the strength of the refrigerator compartment door 9 is improved by increasing the peel strength between the heat insulating material and the reinforcing plate. Therefore, the refrigerator compartment door 9 can reduce distortion, and can obtain the refrigerator 1 in which the strength of the door does not decrease even if the heat insulating material of the refrigerator compartment door 9 is thinned.
  • the refrigerator 1 can ensure the path
  • the necessary heat insulating material can be spread over the space 21a and the space 21b.
  • the refrigerator 1 can spread the heat insulating material in the internal space of the box-shaped refrigeration room door 9, thereby maintaining high heat insulation performance and reducing distortion of the refrigeration room door 9. Even if the heat insulating material of the chamber door 9 is thinned, the strength of the door can be maintained.
  • the refrigerator 1 is configured such that the refrigerator compartment door 9 is spaced from the second side plate portion of the reinforcing plate and the second side wall portion of the bulging portion. Therefore, it is not necessary to increase the length of the first side plate portion 20b, the weight of the refrigerator compartment door 9 can be reduced, and the material cost for the reinforcing plate 20 can be reduced.
  • FIG. FIG. 9 is a partial cross-sectional view of the refrigerator compartment door of the refrigerator according to Embodiment 2 of the present invention. Parts having the same configuration as the refrigerator 1 in FIGS. 1 to 8 are denoted by the same reference numerals and description thereof is omitted.
  • the refrigerator according to the second embodiment of the present invention is different only in the structure of the reinforcing plate of the refrigerator 1 according to the first embodiment.
  • the refrigerator reinforcing plate 120 is a sheet metal that has been subjected to a plurality of bending processes, and for example, a double-sided tape is used for the purpose of suppressing distortion of the refrigerator compartment door 9. It is fixed to the inner wall portion 19.
  • the reinforcing plate 120 is formed in a flat plate shape, and has a flat portion 20a having one surface facing the outer wall portion 18 and the other surface facing the flat plate portion 19b. The flat portion 20 a of the reinforcing plate 120 is in contact with the flat plate portion 19 b of the inner wall portion 19.
  • the reinforcing plate 120 is bent so as to rise from both the left and right ends of the flat portion 20a, and has a first side plate portion 20b formed to extend into the bulging portion 19a.
  • the first side plate portion 20b is formed so as to extend toward the second side wall portion 19a2 along the first side wall portion 19a1 of the bulging portion 19a.
  • the first side plate portion 20 b is formed across the vertical direction of the refrigerator compartment door 9.
  • the reinforcing plate 120 has a second side plate portion 20c that rises from an end of the first side plate portion 20b opposite to the flat portion 20a and is located in the bulging portion 19a.
  • the second side plate portion 20c is provided so that at least a part thereof faces the second side wall portion 19a2.
  • Each of the second side plate portions 20c connected to the first side plate portion 20b is formed so as to extend in a direction away from each other, and is formed over the vertical direction of the refrigerator compartment door 9. Moreover, each 2nd side board part 20c is formed in flat form.
  • the refrigerator compartment door 9 is configured such that the second side plate portion 20c of the reinforcing plate 120 and the second side wall portion 19a2 of the bulging portion 19a are separated from each other. A plurality of holes 25 penetrating the reinforcing plate 120 are formed in each second side plate portion 20c.
  • the reinforcing plate 120 is bent so as to rise from the end of the second side plate portion 20c opposite to the first side plate portion 20b, and is opposed to the first side plate portion 20b so as to face the outer wall portion 18. It further has a front side edge portion 20d formed to extend to the side.
  • the front side edge portion 20 d is connected to the second side plate portion 20 c and is formed across the vertical direction of the refrigerator compartment door 9.
  • the refrigerator 1 includes the first side plate portion 20b and the first side plate portion 20b in which the reinforcing plate 120 is bent so as to rise from the left and right ends of the flat portion 20a. It has the 2nd side board part 20c bent so that it might stand up from an edge part, and the front side edge part 20d bent so that it might stand up from the edge part of each 2nd side board part 20c.
  • the refrigerator 1 has the shape further bent by the reinforcement board 120 having the front side edge part 20d further, and improves the intensity
  • the reinforcing plate 120 further includes the front side edge portion 20d, the force for fixing the position of the reinforcing plate 120 with the heat insulating material is further increased.
  • the strength of the refrigerator compartment door 9 is improved by increasing the peel strength between the heat insulating material and the reinforcing plate. Therefore, the refrigerator compartment door 9 can reduce distortion, and can obtain the refrigerator 1 in which the strength of the door does not decrease even if the heat insulating material of the refrigerator compartment door 9 is thinned.
  • FIG. FIG. 10 is a partial cross-sectional view of the refrigerator compartment door of the refrigerator according to Embodiment 3 of the present invention. Parts having the same configuration as the refrigerator 1 of FIGS. 1 to 9 are denoted by the same reference numerals and description thereof is omitted.
  • the refrigerator according to the third embodiment of the present invention is different only in the structure of the reinforcing plate of the refrigerator 1 according to the first embodiment.
  • the reinforcing plate 220 of the refrigerator according to Embodiment 3 of the present invention is a sheet metal that has been subjected to a plurality of bending processes, and for example, using double-sided tape for the purpose of suppressing distortion of the refrigerator compartment door 9. It is fixed to the inner wall portion 19.
  • the reinforcing plate 220 is formed in a flat plate shape, and has a flat portion 20a having one surface facing the outer wall portion 18 and the other surface facing the flat plate portion 19b.
  • the flat portion 20 a of the reinforcing plate 220 is in contact with the flat plate portion 19 b of the inner wall portion 19.
  • the reinforcing plate 220 is bent so as to rise from both the left and right ends of the flat portion 20a, and has a first side plate portion 20b formed to extend into the bulging portion 19a.
  • the first side plate portion 20b is formed so as to extend toward the second side wall portion 19a2 along the first side wall portion 19a1 of the bulging portion 19a.
  • the first side plate portion 20 b is formed across the vertical direction of the refrigerator compartment door 9.
  • the reinforcing plate 220 has a second side plate portion 20c that rises from an end portion of the first side plate portion 20b opposite to the flat portion 20a and is located in the bulging portion 19a.
  • the second side plate portion 20c is provided so that at least a part thereof faces the second side wall portion 19a2.
  • Each of the second side plate portions 120c connected to the first side plate portion 20b is formed so as to extend in the direction away from each other, and is formed over the vertical direction of the refrigerator compartment door 9.
  • the refrigerator compartment door 9 is configured such that the second side plate portion 120c of the reinforcing plate 220 and the second side wall portion 19a2 of the bulging portion 19a are separated from each other.
  • the second side plate portion 20c of the reinforcing plate 20 of the refrigerator 1 according to the first embodiment is formed in a flat plate shape, but the reinforcing plate 220 of the refrigerator 1 according to the third embodiment includes the second side plate portion 120c. It is bent so as to protrude toward the outer wall 18 side, and is formed in a mountain fold shape. Each of the second side plate portions 120c is formed with a plurality of holes 25 that penetrate the reinforcing plate 220.
  • the refrigerator 1 according to Embodiment 3 of the present invention includes the first side plate portion 20b and the first side plate portion 20b in which the reinforcing plate 220 is bent so as to rise from both left and right ends of the flat portion 20a. It has the 2nd side board part 120c bent so that it may stand up from an edge part.
  • the reinforcing plate 220 is formed in a mountain fold shape so that the second side plate portion 120c protrudes toward the outer wall portion 18 side. Therefore, the reinforcing plate 220 has a further bent shape, and the strength of the refrigerator compartment door 9 can be improved by having the bent shape.
  • the refrigerator 1 since the refrigerator 1 has a large moment of inertia with respect to the force P for pulling the refrigerator compartment door 9, the bending rigidity is further increased and the strength of the refrigerator compartment door 9 can be improved. Therefore, it is possible to obtain a refrigerator in which the strength of the door does not decrease even if the heat insulating material of the door is thinned.
  • the refrigerator 1 which concerns on Embodiment 3 further increases the force which fixes the position of the reinforcement board 220 with a heat insulating material because the reinforcement board 220 has the 2nd side board part 120c formed in the mountain fold shape. Yes.
  • the strength of the refrigerator compartment door 9 is improved by increasing the peel strength between the heat insulating material and the reinforcing plate. Therefore, the refrigerator compartment door 9 can reduce distortion, and can obtain the refrigerator 1 in which the strength of the door does not decrease even if the heat insulating material of the refrigerator compartment door 9 is thinned.
  • Embodiment 4 FIG. FIG. 11 is a fragmentary sectional view of the refrigerator compartment door of the refrigerator which concerns on Embodiment 4 of this invention. Parts having the same configuration as the refrigerator 1 of FIGS. 1 to 10 are denoted by the same reference numerals and description thereof is omitted.
  • the refrigerator according to Embodiment 4 of the present invention is different from the refrigerator 1 according to Embodiment 1 in the structure of the reinforcing plate and is provided with a groove portion for fixing the reinforcing plate to the inner wall portion.
  • the inner wall portion 19 has a groove portion 19d between the bulging portion 19a and the peripheral edge portion 19c on both ends of the inner wall portion 19.
  • the groove portion 19d has an opening facing the outer wall portion 18 side, and is formed so as to be recessed toward the opening portion side of the heat insulating box 2 over the vertical direction of the refrigerator compartment door 9.
  • the groove portion 19d is formed so as to be connected to the third side wall portion 19a3 of the bulging portion 19a.
  • the refrigerator reinforcing plate 320 is a sheet metal that is subjected to a plurality of bending processes, and is fixed to the inner wall portion 19 for the purpose of suppressing distortion of the refrigerator compartment door 9. Yes.
  • the reinforcing plate 320 is formed in a flat plate shape, and has a flat portion 20a having one surface facing the outer wall portion 18 and the other surface facing the flat plate portion 19b.
  • the flat portion 20 a of the reinforcing plate 320 is in contact with the flat plate portion 19 b of the inner wall portion 19.
  • the reinforcing plate 320 has a first side plate portion 20b that is bent so as to rise from the left and right ends of the flat portion 20a and is formed to extend into the bulging portion 19a.
  • the first side plate portion 20b is formed so as to extend toward the second side wall portion 19a2 along the first side wall portion 19a1 of the bulging portion 19a.
  • the first side plate portion 20 b is formed across the vertical direction of the refrigerator compartment door 9.
  • the reinforcing plate 320 has a second side plate portion 20c that rises from an end of the first side plate portion 20b opposite to the flat portion 20a and is located in the bulging portion 19a.
  • the second side plate portion 20c is provided so that at least a part thereof faces the second side wall portion 19a2.
  • Each of the second side plate portions 20c connected to the first side plate portion 20b is formed so as to extend in a direction away from each other, and is formed over the vertical direction of the refrigerator compartment door 9.
  • each 2nd side board part 20c is formed in flat form.
  • the refrigerator compartment door 9 is configured such that the second side plate portion 20c of the reinforcing plate 320 and the second side wall portion 19a2 of the bulging portion 19a are separated from each other.
  • a plurality of holes 25 that penetrates the reinforcing plate 320 are formed in each second side plate portion 20c.
  • the reinforcing plate 320 is bent so as to rise from the end of the second side plate portion 20c opposite to the first side plate portion 20b, and extends to the opening side of the heat insulating box 2. It further has a rear edge 20e formed.
  • the rear side edge portion 20e is connected to the second side plate portion 20c and is formed across the vertical direction of the refrigerator compartment door 9.
  • the reinforcing plate 320 is fixed to the inner wall portion 19 by inserting the distal end portion 20e1 of the rear side edge portion 20e into the groove portion 19d.
  • the refrigerator 1 according to Embodiment 4 of the present invention includes the first side plate portion 20b that is bent so that the reinforcing plate 320 rises from the left and right ends of the flat portion 20a with respect to the pulling force P.
  • the second side plate portion 20c is bent so as to rise from the end portion of the first side plate portion 20b, and the rear side edge portion 20e is bent so as to rise from each second side plate portion 20c.
  • the refrigerator 1 has the shape further bent because the reinforcement board 320 further has the back side edge part 20e, and improves the intensity
  • the cross-sectional secondary moment with respect to the force P which pulls the refrigerator compartment door 9 becomes large, bending rigidity further increases and the intensity
  • the refrigerator 1 which concerns on Embodiment 4 has further increased the force which fixes the position of the reinforcement board 320 with a heat insulating material because the reinforcement board 320 further has the back side edge part 20e.
  • the strength of the refrigerator compartment door 9 is improved by increasing the peel strength between the heat insulating material and the reinforcing plate. Therefore, the refrigerator compartment door 9 can reduce distortion, and can obtain the refrigerator 1 in which the strength of the door does not decrease even if the heat insulating material of the refrigerator compartment door 9 is thinned.
  • the refrigerator 1 according to the fourth embodiment has the groove portion 19d in the inner wall portion 19, and the reinforcing plate 20 and the inner wall are fixed to the inner wall portion 19 by inserting the tip portion 20e1 into the groove portion 19d.
  • Use of the double-sided tape for fixing the portion 19 can be reduced. Therefore, the refrigerator 1 can reduce the material cost required for manufacturing the refrigerator compartment door 9.
  • the refrigerator 1 according to the fourth embodiment has the groove portion 19d in the inner wall portion 19, and the reinforcing plate 20 and the inner wall are fixed to the inner wall portion 19 by inserting the tip portion 20e1 into the groove portion 19d. Positioning at the time of assembly with the part 19 becomes easy. Therefore, the refrigerator 1 can improve the workability of the operator when assembling the reinforcing plate 20 and the inner wall portion 19.
  • Embodiments 1 to 4 the refrigerator compartment door 9 has been described, but this structure can be applied to doors of storage rooms such as a freezer compartment door and a vegetable compartment door.
  • the fixing using the double-sided tape has been described for the fixing between the reinforcing plate 20 and the inner wall portion 19.
  • other adhesive means such as using a thermoplastic adhesive (hot melt) is used. May be.
  • the present invention has been described by dividing it into the above first to fourth embodiments, the present invention may directly combine these first to fourth embodiments.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Refrigerator Housings (AREA)

Abstract

Ce réfrigérateur est pourvu: d'un corps de boîte d'isolation thermique ayant une section d'ouverture; et d'une porte de type boîte prévue pour ouvrir/fermer la partie d'ouverture du corps de boîte d'isolation thermique. La porte comprend: une partie de paroi externe constituant la paroi périphérique externe de la porte; une partie de paroi interne qui est disposée en regard de la partie de paroi externe et qui constitue une partie de paroi côté partie d'ouverture; et une plaque de renfort qui est disposée entre la partie de paroi externe et la partie de paroi interne et qui est fixée à la partie de paroi interne La partie de paroi interne a: des parties bombées, qui font saillie vers la partie d'ouverture du corps de boîte d'isolation thermique respectivement sur les côtés d'extrémité gauche et droite de la partie de paroi interne; et une partie de plaque plate en forme de plaque plate et qui relie les parties bombées disposées sur les côtés d'extrémité gauche et droite de la partie de paroi interne. La plaque de renfort a: une partie plate sous une forme de plaque plate et qui a une surface faisant face à la partie de paroi externe et l'autre surface faisant face à la partie de plaque plate; une première partie de plaque latérale qui est pliée pour s'élever à partir des extrémités gauche et droite de la partie plate et s'étend dans les parties bombées; et une seconde partie de plaque latérale qui s'élève à partir de la première extrémité de partie de plaque latérale sur le côté opposé à la partie plate et qui est située à l'intérieur des parties bombées.
PCT/JP2017/009540 2017-03-09 2017-03-09 Réfrigérateur WO2018163365A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SG11201905941VA SG11201905941VA (en) 2017-03-09 2017-03-09 Refrigerator
PCT/JP2017/009540 WO2018163365A1 (fr) 2017-03-09 2017-03-09 Réfrigérateur
CN201790000417.5U CN208296437U (zh) 2017-03-09 2017-03-09 冰箱
JP2019504233A JP6719646B2 (ja) 2017-03-09 2017-03-09 冷蔵庫

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2017/009540 WO2018163365A1 (fr) 2017-03-09 2017-03-09 Réfrigérateur

Publications (1)

Publication Number Publication Date
WO2018163365A1 true WO2018163365A1 (fr) 2018-09-13

Family

ID=63447494

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2017/009540 WO2018163365A1 (fr) 2017-03-09 2017-03-09 Réfrigérateur

Country Status (4)

Country Link
JP (1) JP6719646B2 (fr)
CN (1) CN208296437U (fr)
SG (1) SG11201905941VA (fr)
WO (1) WO2018163365A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3822562A1 (fr) * 2019-11-15 2021-05-19 Binder GmbH Armoire de climatisation

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5646788U (fr) * 1979-09-14 1981-04-25
JPS5825984U (ja) * 1981-08-17 1983-02-18 三菱電機株式会社 冷蔵庫の扉体
JPS602284U (ja) * 1983-06-20 1985-01-09 三菱電機株式会社 冷蔵庫の扉装置
JPS61164980U (fr) * 1985-02-25 1986-10-13
JPS62204287U (fr) * 1986-06-16 1987-12-26

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5646788U (fr) * 1979-09-14 1981-04-25
JPS5825984U (ja) * 1981-08-17 1983-02-18 三菱電機株式会社 冷蔵庫の扉体
JPS602284U (ja) * 1983-06-20 1985-01-09 三菱電機株式会社 冷蔵庫の扉装置
JPS61164980U (fr) * 1985-02-25 1986-10-13
JPS62204287U (fr) * 1986-06-16 1987-12-26

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3822562A1 (fr) * 2019-11-15 2021-05-19 Binder GmbH Armoire de climatisation
RU2764290C1 (ru) * 2019-11-15 2022-01-17 Биндер Гмбх Климатический шкаф
US11505988B2 (en) 2019-11-15 2022-11-22 Binder Gmbh Climate chamber

Also Published As

Publication number Publication date
JPWO2018163365A1 (ja) 2019-11-07
JP6719646B2 (ja) 2020-07-08
SG11201905941VA (en) 2019-09-27
CN208296437U (zh) 2018-12-28

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