EP4148351B1 - Kühlschrank - Google Patents

Kühlschrank

Info

Publication number
EP4148351B1
EP4148351B1 EP20934346.6A EP20934346A EP4148351B1 EP 4148351 B1 EP4148351 B1 EP 4148351B1 EP 20934346 A EP20934346 A EP 20934346A EP 4148351 B1 EP4148351 B1 EP 4148351B1
Authority
EP
European Patent Office
Prior art keywords
vacuuming
cavity
lower cover
mounting
cover body
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
EP20934346.6A
Other languages
English (en)
French (fr)
Other versions
EP4148351A1 (de
EP4148351A4 (de
Inventor
Chun Yang
Tao Li
Wenjing Jiang
Qianyong ZHANG
Yu Zhang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hisense Refrigerator Co Ltd
Original Assignee
Hisense Refrigerator Co Ltd
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 Hisense Refrigerator Co Ltd filed Critical Hisense Refrigerator Co Ltd
Publication of EP4148351A1 publication Critical patent/EP4148351A1/de
Publication of EP4148351A4 publication Critical patent/EP4148351A4/de
Application granted granted Critical
Publication of EP4148351B1 publication Critical patent/EP4148351B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00General constructional features
    • F25D23/02Doors; Covers
    • F25D23/04Doors; Covers with special compartments, e.g. butter conditioners
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042Air treating means within refrigerated spaces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00General constructional features
    • F25D23/12Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D25/00Charging, supporting, and discharging the articles to be cooled
    • F25D25/005Charging, supporting, and discharging the articles to be cooled using containers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00Arrangement or mounting of control or safety devices
    • F25D29/003Arrangement or mounting of control or safety devices for movable devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00Arrangement or mounting of control or safety devices
    • F25D29/005Mounting of control devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/04Treating air flowing to refrigeration compartments
    • F25D2317/043Treating air flowing to refrigeration compartments by creating a vacuum in a storage compartment

Definitions

  • the present disclosure relates to a refrigerator with a vacuum preservation device.
  • the refrigerator is the most commonly used household appliance for food storage, and the preservation and storage of food has become an urgent technical problem to be solved in the field of refrigerators.
  • KR 100 632 017 B1 provides a refrigerator for long-term storage of food.
  • the refrigerator includes a vacuum pump; an evacuation path for guiding vacuum pressure from said vacuum pump to an outer circumferential surface of the refrigerator; a suction guide formed at an end of said evacuation path; and a shelf formed at a lower side of said suction guide on which a vacuum container is placed.
  • EP 2 162 690 B1 provides a vacuum sealing system comprising a compartment provided with a suction device, an aeration device, and a suction tube. One end of the suction tube is connected to a vacuum pump and the other end is connected to the suction device of the compartment by means of a connection element. Said system also comprises a vacuum measuring device for measuring the vacuum level, a control device for controlling the vacuum sealing system, and a switching device connected to the suction tube. The switching device is closed during the evacuation of the compartment by means of the vacuum pump via the suction tube, and is open following the completion of the evacuation by means of the vacuum pump, in order to guide air into the already evacuated suction tube, enabling the automatic vacuum sealing of the compartment.
  • JP 2005 030648 A provides a refrigerator having excellent usability, controlling an air atmosphere inside a storage to a low oxygen state to maintain freshness of stored food, allowing taking-out of the storage from the refrigerator, and allowing maintenance of the low oxygen state even when taking out the storage.
  • This refrigerator has: refrigeration and cold storage spaces; the storage disposed in a storage space disposed independently of the storage spaces or inside the storage space; a lid provided such that the lid openably and closably closes an opening of the storage; and an oxygen concentration control means controlling oxygen concentration inside the storage formed as an airtight space by the closing of the lid.
  • the oxygen concentration control means is disposed on a main body side, and the storage is installed detachably from the oxygen concentration control means.
  • the present disclosure provides a refrigerator which is defined by claim 1.
  • orientations or positional relationships indicated by the terms such as “upper”, “lower”, “front”, “rear”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inner”, “outer”, and the like are based on orientations or positional relationships shown in the drawings, which are merely to facilitate and simplify the description of the present disclosure, and are not to indicate or imply that the devices or elements referred to must have a particular orientation, or must be constructed or operated in a particular orientation. Therefore, these terms should not be construed as limitations on the present disclosure.
  • first and second are used for descriptive purposes only, and are not to be construed as indicating or implying a relative importance or implicitly indicating a number of indicated technical features. Therefore, the features defined with “first” and “second” may explicitly or implicitly include one or more of these features.
  • the term “a/the plurality of” means two or more unless otherwise specified.
  • connection and “connected” are to be construed broadly. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; and it may be a direct connection, or may be an indirect connection through an intermediate medium, and may be internal communication between two elements. Specific meanings of the above terms in the present disclosure may be understood by those skilled in the art according to specific situations.
  • FIG. 1 is a structural diagram of a refrigerator, in accordance with some embodiments of the present disclosure, and the refrigerator is approximately in a shape of a cuboid.
  • An appearance of the refrigerator is defined by a storage compartment 100 defining a storage space and a plurality of door bodies 200 partially provided in the storage compartment 100.
  • the door body 200 includes a door shell 210 located outside the storage compartment 100, a door liner 220 located inside the storage compartment 100, an upper end cover 230, a lower end cover 240 and a foamed layer located among the door shell 210, the door liner 220, the upper end cover 230 and the lower end cover 240.
  • the storage compartment 100 has a box body 300 with openings, and the storage compartment 100 is divided into a freezing compartment 110 located below and a refrigerating compartment 120 located above. Each of separated spaces may have an independent storage space.
  • the freezing compartment 110 is located at a lower side of the storage compartment 100 and may be selectively opened or closed by a drawer type freezing compartment door. A space above the freezing compartment 110 is divided into left and right spaces, so as to form the refrigerating compartments 120, respectively.
  • the refrigerating compartment 120 may be selectively opened or closed through a refrigerating compartment door pivotally mounted on the refrigerating compartment 120.
  • FIG. 2 is a schematic diagram showing an assembly structure of a preservation box, a vacuuming joint assembly and a mounting base, in accordance with some embodiments of the present disclosure.
  • FIG. 3 is a schematic structural diagram of the vacuuming joint assembly shown in FIG. 2 after being rotated upward (the preservation box being omitted).
  • the refrigerator in the present disclosure further includes a preservation box 400 and a vacuuming assembly 500.
  • a storage cavity 410 is formed in the preservation box 400.
  • the preservation box 400 is detachably connected to the door body 200 (specifically, the door liner 220), so as to facilitate the removal of the preservation box 400 from the door body 200 and improve the convenience of use of the preservation box 400.
  • the preservation box 400 includes a box body and a cover body, and the cover body is provided with a vacuuming interface portion 420.
  • the vacuuming interface portion 420 is used to cooperate with the vacuuming assembly 500, so that the vacuuming assembly 500 communicates with the storage cavity 410 and vacuumizes the storage cavity 410.
  • the vacuuming assembly 500 may make the preservation box 400 achieve a vacuum state inside thereof.
  • the vacuum state here is not an absolute vacuum state, but is actually a low-pressure state, so as to improve the preservation effect of the items stored in the preservation box 400.
  • a vacuum degree in the preservation box 400 is 0.6 MPa to 0.9 MPa inclusive.
  • the vacuuming assembly 500 includes a vacuum pump, a vacuuming pipeline 520 and a vacuuming joint assembly 510.
  • the vacuuming pipeline 520 communicates the vacuum pump with the vacuuming joint assembly 510.
  • the vacuuming joint assembly 510 is detachably connected to the vacuuming interface portion 420 (referring to FIG. 2 ).
  • the vacuum pump provides vacuuming power for the entire vacuuming assembly 500.
  • the vacuuming joint assembly 510 When it is necessary to vacuumize the storage cavity 410, the vacuuming joint assembly 510 is communicated with the storage cavity 410. That is, the vacuuming joint assembly 510 is connected to the vacuuming interface portion 420. In this case, the vacuum pump is turned on, and the air in the storage cavity 410 may be discharged to the vacuum pump through the vacuuming joint assembly 510 and the vacuuming pipeline 520, so as to achieve the negative pressure in the storage cavity 410.
  • the vacuum pump may be mounted on the upper end cover 230 of the door body, and the vacuuming pipeline 520 led out from the vacuuming joint assembly 510 may extend through the foamed layer of the door body 200 to the upper end cover 230 and communicate with the vacuum pump.
  • the door liner 220 is provided with a shelf 260.
  • the preservation box 400 is directly placed in the shelf 260, so as to achieve the detachable connection between the preservation box 400 and the door liner 220.
  • the preservation box 400 may be directly removed from the shelf 260.
  • the vacuuming joint assembly 510 is provided proximate to a side of the door body 200 hinged with the box body 300 of the refrigerator. In this way, the torque borne by the vacuuming joint assembly 510 is small when the door body 200 is opened or closed, which is conducive to improving the stability of the vacuuming joint assembly 510.
  • the vacuuming joint assembly 510 may also be provided away from the side of the door body 200 hinged with the box body 300. In this way, the vacuuming joint assembly 510 is closer to the user side, which is convenient for the user to perform related operations on the vacuuming joint assembly 510.
  • the start and stop of the vacuuming assembly 500 is controlled by a key switch 900 (referring to FIG. 2 ).
  • FIG. 16 is a schematic structural diagram of a mounting cover plate mounted with a key switch, in accordance with some embodiments.
  • FIG. 17 is a sectional view of the mounting cover plate shown in FIG. 16 .
  • FIG. 18 is an exploded view of the mounting cover plate shown in FIG. 16 .
  • the vacuuming joint assembly 510 is disposed on the door liner 220.
  • the door body 200 is provided with the key switch 900.
  • the key switch 900 is coupled to the vacuum pump for communication, so as to control the start and stop of the vacuum pump.
  • the vacuum pump is immediately stopped, so as to improve the safety of the vacuuming of the system.
  • FIG. 4 is a cross-sectional view of a vacuuming joint assembly, in accordance with some embodiments.
  • FIG. 5 is a schematic structural diagram of a lower cover body of the vacuuming joint assembly shown in FIG. 4 .
  • FIG. 6 is a schematic structural diagram of an upper cover body of the vacuuming joint assembly shown in FIG. 4 .
  • FIG. 7 is a cross-sectional view of another vacuuming joint assembly, in accordance with some embodiments.
  • the vacuuming joint assembly 510 includes an upper cover body 511 and a lower cover body 512, the upper cover body 511 is of a flat plate structure, and the lower cover body 512 includes a bottom plate 5125 and a peripheral side plate 5126.
  • an airflow channel is formed between the upper cover body 511 and the lower cover body 512.
  • the vacuuming pipeline 520 is connected to the upper cover body 511 or the lower cover body 512 and communicated with the airflow channel.
  • the vacuuming joint assembly 510 is connected to the vacuuming interface portion 420, specifically, the lower cover body 512 is connected to the vacuuming interface portion 420, and the airflow channel is communicated with the storage cavity 410.
  • the vacuum pump is turned on, and the air in the storage cavity 410 may be discharged to the vacuum pump through the airflow channel and the vacuuming pipeline 520.
  • the vacuuming pipeline 520 is led out from the upper cover body 511 or the lower cover body 512 and extends to the mounting base 600, and then leads to the vacuum pump.
  • the vacuuming pipeline 520 is hidden between the upper cover body 511 and the lower cover body 512, and is hidden in the mounting base 600, so as to prevent the vacuuming pipeline 520 from being exposed.
  • the present disclosure provides two examples of the vacuuming joint assembly 510, the first example is that the vacuuming pipeline 520 is connected to the lower cover body 512, and the second example is that the vacuuming pipeline 520 is connected to the upper cover body 511, and details will be described below.
  • the vacuuming pipeline 520 is connected to the lower cover body 512, referring to FIGS. 4 to 6 .
  • the upper cover body 511 is provided with an annular upper cover protruding portion 5111, and the upper cover protruding portion 5111 extends toward the lower cover body 512.
  • the lower cover body 512 is provided with an annular lower cover protruding portion (marked as the lower cover protruding portion I 5121) correspondingly, and the lower cover protruding portion I 5121 extends toward the upper cover body 511.
  • the lower cover body 512 is provided with a lower cover air inlet 5127 in a region surrounded by the lower cover protruding portion I 5121.
  • the lower cover protruding portion I 5121 is provided with a first pipe joint 5251, and the vacuuming pipeline 520 is connected to the first pipe joint 5251.
  • the upper cover protruding portion 5111 is inserted into the inner periphery of the lower cover protruding portion I 5121, and a top of the lower cover protruding portion I 5121 abuts against the upper cover body 511.
  • the upper cover protruding portion 5111 and the lower cover protruding portion I 5121 enclose a cavity, and the lower cover air inlet 5127 and the first pipe joint 5251 communicate with the cavity, so as to form the airflow channel.
  • the air in the storage cavity 410 flows through the lower cover air inlet 5127, the cavity enclosed by the upper cover protruding portion 5111 and the lower cover protruding portion I 5121, the first pipe joint 5251 to the vacuuming pipeline 520 in sequence.
  • a sealing loop 513 is provided between a top surface of the lower cover protruding portion I 5121 and the upper cover body 511, so as to seal the airflow channel and improve the vacuuming effect.
  • an annular lower cover protruding portion II 5122 is further provided in a region surrounded by the lower cover protruding portion I 5121, and the lower cover protruding portion II 5122 has a certain gathering and guiding effect on the airflow.
  • a vent hole 51221 may be provided on the lower cover protruding portion II 5122 to facilitate air circulation.
  • the mounting base 600 is provided with a first magnet 617, and a second magnet 5112 is provided on the vacuuming joint assembly 510 correspondingly.
  • the first magnet 617 may be attracted to the second magnet 5112.
  • the second magnet 5112 is fixed in the region surrounded by the upper cover protruding portion 5111 by means of gluing or the like, so as to achieve the fixed installation of the second magnet 5112 in the vacuuming joint assembly 510.
  • the lower cover protruding portion II 5122 also has a certain protective effect on the second magnet 5112, so as to prevent the second magnet 5112 from falling and covering the lower cover air inlet 5127 and thus affecting the vacuuming process.
  • the bottom plate 5125 of the lower cover body is provided with a plurality of screw mounting columns 51251, and the plurality of screw mounting columns 51251 are symmetrically arranged around the outer periphery of the lower cover protruding portion I 5121.
  • the upper cover body 511 is provided with a plurality of screw mounting countersinks 5114 correspondingly. Screws 514 are inserted through the screw mounting countersinks 5114 and inserted into the screw mounting columns 51251, so as to achieve the fixed installation of the upper cover body 511 and the lower cover body 512.
  • a rear end of the peripheral side plate 5126 of the lower cover body is provided with a clamping groove 51261, and a rear end of the upper cover body 511 is provided with a hook 5115 correspondingly.
  • the clamping groove 51261 is clamped with the hook 5115, which may further improve the connection reliability between the upper cover body 511 and the lower cover body 512.
  • a surface of the upper cover body 511 is provided with a decorative plate 5116 (referring to FIG. 4 ), such as an acrylic plate.
  • the decorative plate 5116 covers the screw mounting countersinks 5114 and the screws 514, so as to improve the aesthetics of the vacuuming joint assembly 510.
  • the upper cover body 511 is further provided with a plurality of third magnets 5113 (referring to FIG. 6 ), and the plurality of third magnets 5113 are symmetrically arranged on the outer periphery of the second magnet 5112, that is to say, the plurality of third magnets 5113 are symmetrically arranged around the outer periphery of the upper cover protruding portion 5111.
  • the plurality of third magnets 5113 and the second magnet 5112 have an attraction effect, thereby further positioning the second magnet 5112 and improving the stability of the second magnet 5112.
  • the bottom plate 5125 of the lower cover body is provided with a plurality of columns 51252, and each column 51252 abuts against one third magnet 5113, so as to improve the installation reliability of the third magnets 5113 and prevent the third magnets 5113 from falling.
  • the lower cover body 512 is provided with a lower cover inserting portion 5123.
  • the lower cover inserting portion 5123 is provided with a soft rubber portion 5124, the soft rubber portion 5124 is used for sealing the lower cover inserting portion 5123 with the vacuuming interface portion 420.
  • the vacuuming interface portion 420 includes a groove portion 421 disposed on the preservation box 400.
  • a vent 422 is provided in a region surrounded by the groove portion 421, and a pressure relief valve 423 is provided at the vent 422.
  • the vacuuming joint assembly 510 When the vacuuming joint assembly 510 is connected to the vacuuming interface portion 420 for vacuuming, the soft rubber portion 5124 is sealed and clamped in the groove portion 421.
  • the air in the storage cavity 410 flows to the lower cover air inlet 5127 through the vent 422, and then flows to the vacuuming pipeline 520 through the airflow channel.
  • the vacuuming joint assembly 510 is separated from the vacuuming interface portion 420, and the pressure relief valve 423 blocks the vent 422 to maintain the negative pressure in the storage cavity 410.
  • a concave portion 5128 is formed on the lower cover body 512 in the region surrounded by the lower cover inserting portion 5123.
  • the concave portion 5128 is recessed toward a direction proximate to the upper cover body 511, and the lower cover air inlet 5127 is disposed at the concave portion 5128.
  • the concave portion 5128 may gather and guide the air to facilitate the air circulation.
  • an arc transition portion 5129 (referring to FIG. 4 ) is formed between the lower cover inserting portion 5123 and the outer peripheral surface of the lower cover body 512. Specifically, the arc transition portion 5129 is formed between the lower cover inserting portion 5123 and the peripheral side plate 5126 of the lower cover body. The arc transition portion 5129 prevents the lower cover body 512 from being excessively proximate to an upper end surface of the preservation box 400, and provides an operating space for the user to perform displacement operations on the vacuuming joint assembly 510.
  • the rear end of the peripheral side plate 5126 of the lower cover body is provided with a through hole 51263 (referring to FIG. 5 ).
  • the vacuuming pipeline 520 led out from the first pipe joint 5251 enters an interior of the mounting base 600 through the through hole 51263.
  • the through hole 51263 extends in the vertical direction. When the vacuuming joint assembly 510 is displaced, the through hole 51263 provides a large space for the vacuuming pipeline 520 to move.
  • the vacuuming pipeline 520 is connected to the upper cover body 511, referring to FIG. 7 .
  • Most of the structures of the vacuuming joint assembly 510 shown in FIG. 7 are same as that of the vacuuming joint assembly 510 shown in FIG. 4 , and only the differences between the two vacuuming joint assemblies 510 will be described below.
  • the upper cover body 511 is provided with an annular upper cover protruding portion 5111.
  • the upper cover protruding portion 5111 extends toward the lower cover body 512.
  • the upper cover protruding portion 5111 is provided with a first pipe joint 5251.
  • the vacuuming pipeline 520 is connected to the first pipe joint 5251.
  • the lower cover body 512 is provided with an annular lower cover protruding portion (marked as the lower cover protruding portion I 5121).
  • the lower cover protruding portion I 5121 extends toward the upper cover body 511.
  • the lower cover body 512 is provided with a lower cover air inlet 5127 in the region surrounded by the lower cover protruding portion I 5121.
  • the upper cover protruding portion 5111 is sleeved on an outer periphery of the lower cover protruding portion I 5121 and abuts against the lower cover body 512.
  • a sealing loop 513 is provided between a lower end of the upper cover protruding portion 5111 and the lower cover body 512, so as to improve the airtightness of the airflow channel.
  • the second magnet 5112 is disposed in the region surrounded by the upper cover protruding portion 5111.
  • the lower cover protruding portion I 5121 protects the second magnet 5112, so as to prevent the second magnet 5112 from falling due to failure of the installation structure and covering the lower cover air inlet 5127, which affects the vacuuming process.
  • the door body 200 is provided with a mounting base 600, and the vacuuming joint assembly 510 is disposed on the mounting base 600.
  • the mounting base 600 provides a certain installation space for the layout of the vacuuming pipeline 520 and the installation of related electrical components used for controlling the start and stop of the vacuuming assembly 500.
  • the mounting base 600 is disposed on the door body 200. At least a part of the mounting base 600 is exposed on an inner side of the door body 200 (i.e., the door liner 220), and another part of the mounting base 600 is disposed in the foamed layer of the door body 200.
  • the vacuuming joint assembly 510 is connected to the part of the mounting base 600 exposed from the door liner 220, and the vacuuming joint assembly 510 is somewhat an external connection manner, which is convenient for disassembly and assembly.
  • a part of the mounting base 600 is disposed in the foamed layer of the door body 200, on one hand, the installation reliability of the mounting base 600 may be improved, and on the other hand, an installation space may be provided for the vacuuming pipeline 520 and wiring of the related electrical components of the vacuuming assembly 500.
  • the mounting base 600 includes a mounting substrate 610 and a mounting cover plate 620.
  • the mounting substrate 610 is disposed in the foamed layer of the door body 200.
  • a cavity 613 is formed in the mounting substrate 610, and the cavity 613 provides the installation space for the vacuuming pipeline 520 and the wiring of the related electrical components of the vacuuming assembly 500.
  • a side of the cavity 613 facing the door liner 220 includes an opening 614.
  • the mounting cover plate 620 is disposed at the opening 614. The mounting cover plate 620 is exposed, and the vacuuming joint assembly 510 is connected to the mounting cover plate 620.
  • the mounting substrate 610 and the mounting cover plate 620 are separate structures. As shown in FIGS. 8 to11, an inner wall of the cavity 613 is provided with a plurality of hook portions 618, and the mounting cover plate 620 is provided with a plurality of buckle portions 623 correspondingly. The mounting substrate 610 and the mounting cover plate 620 are assembled through one-to-one engagement of the plurality of hook portions 618 and the plurality of buckle portions 623.
  • the mounting cover plate 620 may be removed in a case where maintenance and inspection of the vacuuming pipeline 520 or electrical components located in the cavity 613 is required, so as to facilitate maintenance.
  • the mounting substrate 610 and the mounting cover plate 620 are integrally formed. As shown in FIGS. 12 and 13 , the one-piece structure is convenient for manufacturing.
  • the mounting cover plate 620 is provided with an opening portion 621 (referring to FIG. 11 ).
  • the opening portion 621 communicates with the cavity 613.
  • An outer periphery of the opening portion 621 is provided with an extending portion 622.
  • the extending portion 622 extends toward a side of the refrigerator compartment.
  • the vacuuming joint assembly 510 is connected to the extending portion 622.
  • the lower cover body 512 is connected to the extending portion 622.
  • the extending portion 622 is surrounded on a left side, a right side and a lower side of the opening portion 621.
  • the left and right sides of the peripheral side plate 5126 of the lower cover body 512 are rotatably connected to the left and right sides of the extending portion 622, respectively.
  • the opening portion 621 faces the cavity 613, specifically a lower cavity 6132.
  • the lower side of the extending portion 622 limits the range of turning downward of the vacuuming joint assembly 510.
  • the second pipe joint 5252 is disposed on a side portion of the cavity 613, as shown in FIG. 9 .
  • the second pipe joint 5252 is disposed at a bottom portion of the cavity 613, as shown in FIG. 13 .
  • the mounting substrate 610 includes a first mounting substrate 611 and a second mounting substrate 612 that are integrally formed.
  • the cavity 613 is provided on the first mounting substrate 611.
  • the mounting cover plate 620 is connected to the first mounting substrate 611.
  • the second mounting substrate 612 extends toward a side frame 250 of the door body and is connected to the side frame 250 of the door body.
  • the second mounting substrate 612 is connected to the side frame 250 of the door body first, so as to achieve a pre-positioning of the mounting substrate 610, and then, the door body 200 is foamed to avoid displacement of the mounting substrate 610 during the foaming process of the door body 200.
  • FIG. 14 is a schematic diagram showing an assembly structure of a mounting base and a side frame of a door body, in accordance with some embodiments of the present disclosure.
  • FIG. 15 is a schematic diagram showing a partial structure of a side frame of a door body, in accordance with some embodiments of the present disclosure.
  • the side frame 250 of the door body facing the side of the foamed layer is provided with a limiting portion 251.
  • the limiting portion 251 is of a plate-shaped structure.
  • the limiting portion 251 is provided with a clamping groove portion 2511, and the second mounting substrate 612 is provided with a first protruding portion 6121 (referring to FIG. 9 ) correspondingly.
  • the first protruding portion 6121 is clamped in the clamping groove portion 2511, so as to achieve the connection between the mounting substrate 610 and the side frame 250 of the door body.
  • the limiting portion 251 is provided with a plurality of reinforcing ribs 2513 extending in a horizontal direction, so as to improve the strength of the limiting portion 251.
  • the clamping groove portion 2511 is formed between some of the reinforcing ribs 2513.
  • the displacement of the mounting substrate 610 may be limited through the clamping between the clamping groove portion 2511 and the first protruding portion 6121.
  • the limiting portion 251 is further provided with a blocking rib 2512
  • the second mounting substrate 612 is provided with a second protruding portion 6122 correspondingly.
  • the blocking rib 2512 abuts against the second protruding portion 6122, thereby improving the limiting reliability of the mounting substrate 610.
  • FIG. 9 is a schematic structural diagram of the mounting base shown in FIG. 8 viewed from a back side.
  • the mounting substrate 610 is provided with a plurality of supporting columns 616.
  • the supporting columns 616 extend toward an outer side wall of the door body 200 (i.e., the door shell 210) and abuts against the outer side wall of the door body 200, so as to further improve the installation stability of the mounting substrate 610 in the foamed layer.
  • FIG. 10 is a schematic structural diagram of a mounting substrate of the mounting base shown in FIG. 8 .
  • the cavity 613 is provided with a dividing plate 615 therein.
  • the cavity 613 is divided by the dividing plate 615 into two spaces arranged up and down.
  • the two spaces are an upper cavity 6131 and the lower cavity 6132 respectively.
  • the second pipe joint 5252 is disposed on a side wall of the lower cavity 6132.
  • the vacuuming pipeline 520 led out from the first pipe joint 5252 is connected to the second pipe joint 5252 through the lower cavity 6132.
  • the upper cavity 6131 is used for wiring of electrical components of the vacuuming assembly 500, and a wire hole 6133 for wiring is provided on a side wall of the upper cavity 6131.
  • the upper cavity 6131 is used for wiring
  • the lower cavity 6132 is used for piping, and wires and pipes are separated from each other, which on one hand makes the internal structure more regular, and on the other hand facilitates maintenance and inspection.
  • FIG. 12 is a schematic structural diagram of a mounting base (one-piece structure), in accordance with some embodiments of the present disclosure.
  • FIG. 13 is a schematic structural diagram of the mounting base shown in FIG. 12 viewed from a back side.
  • the dividing plate 615 and the mounting substrate 610 are also an integrally formed structure, and the upper cavity 6131 and the lower cavity 6132 arranged up and down may be automatically formed inside the cavity 613 through a molding process.
  • the key switch 900 includes a switch trigger plate 910 and a key 920.
  • a side of the mounting cover plate 620 facing the cavity 613 is provided with a switch trigger plate mounting portion 625, and the switch trigger plate 910 is disposed in the switch trigger plate mounting portion 625.
  • the switch trigger plate mounting portion has a plurality of clamping claw structures, and the switch trigger plate 910 is limited in a region surrounded by the plurality of clamping claw structures.
  • a position of the mounting cover plate 620 facing the switch trigger plate 910 is provided with a mounting hole 624, the key 920 is movably disposed in the mounting hole 624. The key 920 may move along the mounting hole 624, so as to contact or separate from the switch trigger plate 910 to trigger the key switch 900 to respond.
  • the switch trigger plate 910 is located in the upper cavity 613.
  • a side wall of the upper cavity 613 is provided with the wire hole 6133 (referring to FIG. 10 and FIG. 12 ), and a wire line electrically connected to the switch trigger plate 910 is led out through the wire hole 6133.

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  • 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)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Refrigerator Housings (AREA)

Claims (7)

  1. Kühlschrank, umfassend:
    ein Lagerfach (100);
    einen Türkörper (200) zum Öffnen und Schließen des Lagerfachs (100);
    einen Aufbewahrungsraum (400), wobei der Aufbewahrungsraum (400) mit einem darin befindlichen Lagerraum (410) vorgesehen ist, wobei der Aufbewahrungsraum (400) mit dem Türkörper (200) verbunden ist; und
    eine Vakuumiereinheit (500), die zum Vakuumieren des Lagerraums (410) eingesetzt wird und wobei die Vakuumiereinheit (500) eine Vakuumpumpe, eine Vakuumierleitung (520) und eine Vakuumierverbindungseinheit (510) umfasst; wobei die Vakuumierleitung (520) die Vakuumpumpe mit der Vakuumierverbindungseinheit (510) verbindet; wobei in einem Fall, wo die Vakuumierverbindungseinheit (510) mit dem Aufbewahrungsraum (400) verbunden ist, die Vakuumiereinheit (500) den Aufbewahrungsraum (410) evakuieren kann;
    wobei die Vakuumierverbindungseinheit (510) am Türkörper (200) angeordnet ist; wobei der Türkörper (200) mit einem Schlüsselschalter (900) ausgestattet ist, wobei der Schlüsselschalter (900) eine Schalterauslöseplatte (910) und einen Schlüssel (920) umfasst und wobei der Schlüsselschalter (900) Start und Stopp der Vakuumpumpe steuern kann;
    dadurch gekennzeichnet, dass der Türkörper (200) mit einer Montagebasis (600) ausgestattet ist, wobei die Montagebasis (600) ein Montagesubstrat (610) und eine Montageabdeckplatte (620) umfasst; wobei das Montagesubstrat (610) in einer Schaumschicht des Türkörpers (200) angeordnet ist; wobei das Montagesubstrat (610) einen Hohlraum (613) aufweist;
    wobei eine Seite des Hohlraums (613), die der Türverkleidung (220) zugewandt ist, eine Öffnung (614) aufweist; wobei die Montageabdeckplatte (620) an dieser Öffnung (614) angeordnet ist; wobei die Vakuumierverbindungseinheit (510) auf der Montageabdeckplatte (620) angeordnet ist; wobei die Vakuumierleitung (520), die von der Vakuumierverbindungseinheit (510) herausgeführt ist, durch die Öffnung (614) und den Hohlraum (613) mit der Vakuumpumpe verbunden ist.
  2. Kühlschrank nach Anspruch 1, dadurch gekennzeichnet, dass
    während eines Vakuumiervorgangs der Vakuumiereinheit (500) die Vakuumpumpe sofort stoppt, wenn der Schlüsselschalter (900) gedrückt wird.
  3. Kühlschrank nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass
    eine der dem Hohlraum (613) zugewandte Seite der Montageabdeckplatte (620) mit einem Schalterauslöseplatten-Montageabschnitt (625) versehen ist und die Schalterauslöseplatte (910) in diesem Schalterauslöseplatten-Montageabschnitt (625) angeordnet ist; wobei die der Schalterauslöseplatte (910) zugewandte Position der Montageabdeckplatte (620) eine Montageöffnung (624) aufweist, wobei der Schlüssel (920) in der Montageöffnung (624) beweglich angeordnet ist und der Schlüssel (920) sich entlang der Montageöffnung (624) bewegen kann, um so die Schalterauslöseplatte (910) zu berühren oder sich von ihr zu trennen.
  4. Kühlschrank nach Anspruch 3, dadurch gekennzeichnet, dass
    der Hohlraum (613) mit einer Trennplatte (615) versehen ist, wobei der Hohlraum (613) durch die Trennplatte (615) in einen oberen Hohlraum (6131) und einen unteren Hohlraum (6132) unterteilt wird, die nach oben und unten angeordnet sind;
    die Schalterauslöseplatte (910) sich in dem oberen Hohlraum (6131) befindet; wobei eine Seitenwand des oberen Hohlraums (6131) mit einer Kabelöffnung (6133) vorgesehen ist und wobei ein Kabel, das mit der Schalterauslöseplatte (910) elektrisch verbunden ist, durch die Kabelöffnung (6133) herausgeführt ist;
    eine Seitenwand des unteren Hohlraums (6132) mit einem zweiten Rohranschluss (5252) vorgesehen ist; wobei die Vakuumierleitung (520), die von der Vakuumierverbindungseinheit (510) herausgeführt ist, durch den unteren Hohlraum (6132) zum zweiten Rohranschluss (5252) verläuft und dann mit der Vakuumpumpe verbunden ist.
  5. Kühlschrank nach Anspruch 4, dadurch gekennzeichnet, dass
    die Montageabdeckplatte (620) einem Öffnungsabschnitt (621) vorgesehen ist und der Öffnungsabschnitt (621) einen sich ausstreckenden Abschnitt (622) aufweist;
    wobei der sich ausstreckende Abschnitt (622) den Öffnungsabschnitt (621) auf einer linken Seite, einer rechten Seite und einer unteren Seite umgibt; wobei die linke und die rechte Seite der Vakuumierverbindungseinheit (510) drehbar mit der linken bzw. der rechten Seite des sich ausstreckenden Abschnitts (622) verbunden sind; wobei der Öffnungsabschnitt (621) dem unteren Hohlraum (6132) zugewandt ist.
  6. Kühlschrank nach Anspruch 1, dadurch gekennzeichnet, dass
    der Aufbewahrungsraum (400) mit einem Vakuumanschlussabschnitt (420) versehen ist, der mit dem Lagerraum (410) verbunden ist;
    die Vakuumierverbindungseinheit (510) einen oberen Abdeckungskörper (511) und einen unteren Abdeckungskörper (512) umfasst, wobei zwischen dem oberen Abdeckungskörper (511) und dem unteren Abdeckungskörper (512) ein Luftkanal vorgesehen ist; wobei die Vakuumierleitung (520) mit dem oberen Abdeckungskörper (511) oder dem unteren Abdeckungskörper (512) verbunden ist und mit dem Luftkanal in Verbindung steht; wobei der untere Abdeckungskörper (512) mit dem Vakuumanschlussabschnitt (420) verbunden werden kann, um den Luftkanal mit dem Lagerraum (410) zu verbinden.
  7. Kühlschrank nach Anspruch 6, dadurch gekennzeichnet, dass
    der obere Abdeckungskörper (511) mit einem ringförmigen oberen Abdeckungsvorsprung (5111) vorgesehen ist und wobei sich der obere Abdeckungsvorsprung (5111) zum unteren Abdeckungskörper (512) hin erstreckt;
    der untere Abdeckungskörper (512) mit einem ringförmigen unteren Abdeckungsvorsprung (5121, 5122) vorgesehen ist; wobei sich der untere Abdeckungsvorsprung (5121, 5122) in Richtung des oberen Abdeckungskörpers (511) hin erstreckt; wobei der untere Abdeckungskörper (512) mit einem unteren Abdeckungslufteinlass (5127) in einem vom unteren Abdeckungsvorsprung (5121, 5122) umgebenen Bereich versehen ist; wobei der untere Abdeckungsvorsprung (5121, 5122) mit einem ersten Rohranschluss (5251) versehen ist und wobei die Vakuumierleitung (520) mit dem ersten Rohranschluss (5251) verbunden ist;
    der obere Abdeckungsvorsprung (5111) in einen Innenumfang des unteren Abdeckungsvorsprungs (5121, 5122) eingesetzt ist und wobei ein oberes Ende (5121) des unteren Abdeckungsvorsprungs (5121) am oberen Abdeckungskörper (511) anliegt.
EP20934346.6A 2020-05-08 2020-06-04 Kühlschrank Active EP4148351B1 (de)

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JP7588703B2 (ja) 2024-11-22
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WO2021223284A1 (zh) 2021-11-11
JP2023519441A (ja) 2023-05-10
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