WO2021114959A1 - Réfrigérateur - Google Patents

Réfrigérateur Download PDF

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Publication number
WO2021114959A1
WO2021114959A1 PCT/CN2020/126296 CN2020126296W WO2021114959A1 WO 2021114959 A1 WO2021114959 A1 WO 2021114959A1 CN 2020126296 W CN2020126296 W CN 2020126296W WO 2021114959 A1 WO2021114959 A1 WO 2021114959A1
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WO
WIPO (PCT)
Prior art keywords
low
storage unit
fixing
pressure storage
wall
Prior art date
Application number
PCT/CN2020/126296
Other languages
English (en)
Chinese (zh)
Inventor
申乃雨
张秋菊
王磊
高伟康
许锦潮
张树栋
Original Assignee
海信（山东）冰箱有限公司
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
Priority claimed from CN201911329054.1A external-priority patent/CN112984904A/zh
Application filed by 海信（山东）冰箱有限公司 filed Critical 海信（山东）冰箱有限公司
Publication of WO2021114959A1 publication Critical patent/WO2021114959A1/fr

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    • 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
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • 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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • 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
    • F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
    • 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
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled

Definitions

  • the present disclosure belongs to the technical field of refrigerators, and particularly relates to a refrigerator.
  • refrigerators As an indispensable electrical product in home life, refrigerators occupy an important share of the market. With the improvement of consumers’ requirements for the quality of fresh foods, the requirements for refrigerators are also getting higher and higher.
  • the refrigerators are required to have higher configuration and more powerful functions. In particular, it is hoped that the stored fresh foods can have more The long storage period ensures the freshness of the ingredients and prevents the loss of nutrients.
  • a vacuum chamber In order to better store food, a vacuum chamber has been developed in the refrigerator, and the vacuum chamber is evacuated through a vacuum device.
  • the main function of vacuuming is to deoxygenate the vacuum chamber to prevent food from spoiling.
  • the vacuum chamber is mostly used as a separate storage room, and the fixed positions of the whole and the refrigerator storage room where the vacuum chamber is installed are mostly located inside the storage room, which is often inconvenient to operate.
  • the embodiment of the present disclosure provides a refrigerator, including:
  • Box body which defines a thermally insulated storage room
  • a low-pressure storage unit housed in the storage room, can be evacuated to form an air pressure lower than the atmospheric pressure outside the box;
  • the second fixing part is arranged on the bottom wall of the storage room;
  • the second fixing part includes a fixing column connected to the bottom wall of the storage room and a fixing hook located at an end of the fixing column;
  • the first fixing part is arranged on the bottom wall of the low-pressure storage unit; the first fixing part includes a guide channel, one end of the guide channel is set as a guide channel opening, and the other end is provided with a second side plate; Two side plates are provided with fixing holes that cooperate with the fixing hooks;
  • the fixed post and the fixed hook of the second fixed part enter the guide channel from the guide channel opening, and move to the second side plate until the After the fixing hook enters the fixing hole, the fixing hook is clamped with the second side plate.
  • Fig. 1 is a schematic diagram of the overall structure of a refrigerator according to some embodiments of the present disclosure
  • FIG. 2 is an exploded schematic diagram of a low-pressure storage unit of a refrigerator according to some embodiments of the present disclosure
  • Figure 3 is a perspective view of a housing of a refrigerator according to some embodiments of the present disclosure.
  • Figure 4 is a perspective view from another angle of the housing of the refrigerator according to some embodiments of the present disclosure.
  • Figure 5 is an exploded schematic view of a door of a refrigerator according to some embodiments of the present disclosure.
  • FIG. 6 is a schematic structural diagram of the low-pressure storage unit when the door and the housing of the refrigerator are in the closed position but not locked according to some embodiments of the present disclosure
  • FIG. 7 is a schematic partial cross-sectional view of the low-pressure storage unit when the door and the housing of the refrigerator are in the closed position but not locked according to some embodiments of the present disclosure
  • FIG. 8 is a schematic partial cross-sectional view of another position of the low-pressure storage unit when the door and the casing of the refrigerator are in the closed position but not locked according to some embodiments of the present disclosure
  • FIG. 9 is a schematic structural diagram of the low-pressure storage unit when the door and the housing of the refrigerator are locked according to some embodiments of the present disclosure
  • FIG. 10 is a schematic partial cross-sectional view of the low-pressure storage unit when the door and the housing of the refrigerator are locked according to some embodiments of the present disclosure
  • FIG. 11 is a schematic structural diagram of the low-pressure storage unit when the door and the casing of the refrigerator are unlocked and in a separated state according to some embodiments of the present disclosure
  • FIG. 12 is a schematic structural diagram of the relative positions of the air extraction device, the low-pressure storage unit, and the drain pipe of the refrigerator according to some embodiments of the present disclosure
  • FIG. 13 is a relative position structure of another angle of the air extraction device, the low-pressure storage unit, and the drain pipe of the refrigerator according to some embodiments of the present disclosure
  • FIG. 14 is a schematic structural diagram of the relative positions of the drain pipe and the inner container of the refrigerator according to some embodiments of the present disclosure
  • FIG. 15 is a schematic diagram of the overall structure of an air extraction device of a refrigerator according to some embodiments of the present disclosure.
  • FIG. 16 is a schematic structural diagram of an elastic body of a refrigerator according to some embodiments of the present disclosure.
  • Figure 17 is an exploded schematic view of an air extraction device of a refrigerator according to some embodiments of the present disclosure.
  • Figure 18 is a cross-sectional view of an air extraction device of a refrigerator according to some embodiments of the present disclosure.
  • Figure 19 is a perspective view of a housing of a refrigerator according to some embodiments of the present disclosure.
  • FIG. 20 is a schematic diagram of an enlarged structure of area A in FIG. 19;
  • 21 is a structural schematic diagram of the relative position of the inner liner and the housing of the refrigerator according to some embodiments of the present disclosure
  • FIG. 22 is a schematic diagram of an enlarged structure of area B in FIG. 21;
  • Figure 23 is a cross-sectional view of the refrigerating compartment of the refrigerator of the present disclosure.
  • FIG. 24 is a schematic diagram of an enlarged structure of area C in FIG. 23;
  • Figure 25 is a perspective view of a refrigerator compartment of a refrigerator according to some embodiments of the present disclosure.
  • FIG. 26 is a schematic diagram of an enlarged structure of area D in FIG. 25;
  • FIG. 27 is an exploded perspective view of a pressure detection unit of a low-pressure storage unit of a refrigerator according to some embodiments of the present disclosure
  • FIG. 28 is a schematic diagram of an enlarged structure of area E in FIG. 27;
  • Figure 29 is a partial cross-sectional view of a schematic diagram of a low-pressure storage unit of a refrigerator according to some embodiments of the present disclosure.
  • FIGs 1 to 11 are schematic diagrams of the locking mechanism of the low-pressure storage unit of the refrigerator; please refer to Figures 1 to 11, a refrigerator 1, the refrigerator 1 includes a heat-insulating box 2, and the box 2 includes a shell 2a and an inner liner 2b and a thermal insulation layer (not shown) located between the two.
  • the box 2 defines a plurality of insulated storage rooms to store food and other items.
  • these storage rooms are respectively the refrigerating compartment 12 at the upper part and the freezing compartment at the bottom.
  • the storage rooms can be closed by their corresponding doors.
  • the refrigerating chamber 12 is provided with a refrigerating side door
  • the freezing chamber is provided with a freezing side door.
  • present disclosure should not be limited to the specific distribution form of the storage compartments of the refrigerator 1, and the present disclosure may also be applied to other forms of refrigerators 1, such as refrigerators 1 with drawer-type doors.
  • the refrigerator 1 has an evaporative refrigeration system forming a closed loop.
  • the refrigeration system includes at least a compressor (not shown), a condenser (not shown), a throttling device (not shown), and an evaporator (not shown). Since such a refrigeration system is a well-known technology in the prior art, further description thereof is omitted. Of course, the refrigerator 1 can also use other forms of refrigeration systems (such as absorption refrigeration systems, thermoelectric refrigeration systems).
  • the refrigerator 1 is provided with a low-pressure storage unit 15 that can be maintained in a low-pressure state, and an air extraction device for extracting gas from the low-pressure storage unit 15.
  • the air extraction device may include a vacuum pump 22 and a pipeline connected between the vacuum pump 22 and the low-pressure storage unit 15.
  • the refrigerator 1 is provided with a control unit that controls the air extraction device to vacuum the low-pressure storage unit 15 to realize automatic control of vacuuming the low-pressure storage unit 15.
  • the low-pressure storage unit 15 is provided in the refrigerating compartment 12. It should be understood that in other embodiments, the low-pressure storage unit 15 may also be arranged in other storage rooms, for example, a temperature changing room whose temperature range can be switched between a refrigerating temperature zone and a freezing temperature zone.
  • the low-pressure storage unit 15 is located at the bottom of the refrigerating compartment 12 and is supported on the bottom wall of the refrigerating compartment 12.
  • An adjacent position of the low-pressure storage unit 15 may be provided with a fresh-keeping container 44 suitable for storing vegetables and other foods with high humidity; the low-pressure storage unit 15 and the fresh-keeping container 44 are arranged side by side at the bottom of the refrigerating compartment 12.
  • the low-pressure storage unit 15 may be constructed independently of the box body 2 and then assembled in the box body 2. Please refer to Figures 2 to 4, in this embodiment, the low-pressure storage unit 15 has a substantially flat rectangular parallelepiped shape, and the sum of the width of the low-pressure storage unit 15 and the width of the fresh-keeping container 44 is slightly smaller than the width of the refrigerating compartment 12, which is effective The bottom space of the refrigerating compartment 12 is allocated so that the fresh-keeping container 44 and the low-pressure storage unit 15 can be inserted into or pulled out of the refrigerating compartment 12.
  • the low-pressure storage unit 15 includes a casing 4 fixed in the refrigerating compartment 12 and a door 5 connected to the casing 4 and capable of being pushed into or out of the refrigerating compartment 12.
  • the housing 4 has a box-shaped structure, which defines a flat low-pressure storage chamber 14 with a food access port 14a.
  • the access port 14a is located at the front end of the housing 4 facing the user.
  • the outer side of the box wall of the shell 4 is provided with a grid-like reinforcing rib 40 to increase the strength of the box wall of the shell 4 and prevent the shell 4 from being deformed due to the pressure difference between the inside and outside after being evacuated.
  • the housing 4 includes an upper housing 41 and a lower housing 42 connected to form the low-pressure storage chamber 14.
  • the upper housing 41 and the lower housing 42 are integrated by ultrasonic welding; specifically, the lower housing 42 includes a bottom wall 42a and The first lower side wall 42c, the lower rear wall 42b, the second lower side wall 42d which are connected to the edge of the bottom wall 42a, and the front end wall 42e which is located at the front end of the lower housing 42 and is formed with the access port 14a;
  • the bottom wall 42a of the lower casing is the bottom wall of the low-pressure storage unit 15.
  • the front end wall 42e may have a flat butting surface 43 that is substantially perpendicular to the horizontal plane and used for butting with the door body 5.
  • the upper casing 41 includes a top wall 41a, an upper rear wall 41b, a first upper side wall 41c, and a second upper side wall 41d which are sequentially connected to the edge of the top wall 41a; the first upper side wall 41c of the upper casing 41 and The distance between the lower wall surface of the second upper side wall 41d and the top wall 41a linearly decreases from back to front, and decreases to 0 at the front edge of the top wall 41a. That is, the projections of the first upper side wall 41c and the second upper side wall 41d on a plane perpendicular to the top surface are triangular.
  • the upper rear wall 41b is matched with the lower rear wall 42b
  • the first lower side wall 42c is matched with the first upper side wall 41c
  • the second lower side wall 42d is matched with the second upper side wall 41d
  • the front end part is matched with the front end wall 42e of the lower casing 42 and the above opposite positions are welded and fixed by ultrasonic welding, so that the upper casing 41 and the lower casing 42 are fixedly connected to form the low-pressure storage chamber 14.
  • the above ultrasonic welding effectively improves the connection strength between the upper casing 41 and the lower casing 42 and ensures the airtightness of the whole casing 4.
  • the access opening 14a of the casing 4 is formed on the front end wall 42e of the lower casing 42, so that the access opening 14a of the casing 4 is integrated, and the air tightness of the casing 4 is effectively ensured.
  • the distance between the lower wall surface of the first upper side wall 41c and the second upper side wall 41d and the top wall 41a decreases linearly from back to front, and decreases to 0 at the front edge of the top wall 41a. Therefore, the number of mating surfaces of the upper shell 41 and the lower shell 42 is reduced, and the overall airtightness of the shell 4 is improved, especially the airtightness of the shell 4 at the access port 14a.
  • the housing 4 is configured as a separate structure of the upper housing 41 and the lower housing 42, which facilitates the processing of the grid-shaped reinforcing ribs 40.
  • the door body 5 can be provided with a ring-shaped sealing element 16 to form an airtight joint between the housing 4 and the door body 5 when the door body 5 is in the closed position, and prevent gas from flowing from the joint between the housing 4 and the door body 5. Enter the low-pressure storage room 14.
  • the sealing element 16 may also be arranged at the front end of the housing 4, for example connected to the front end wall 42e.
  • the low-pressure storage chamber 14 When the low-pressure storage chamber 14 is closed by the door 5 and the air extraction device is activated, the gas in the low-pressure storage chamber 14 is drawn away, and the low-pressure storage chamber 14 is in a low-pressure state.
  • the pressure in the low-pressure storage chamber 14 is between a standard atmospheric pressure and an absolute vacuum. Since the air pressure in the low-pressure storage chamber 14 is lower than the standard atmospheric pressure, those skilled in the art also commonly call it a "vacuum chamber".
  • the door body 5 is a drawer type door, and the door body 5 can be pushed toward the housing 4 to close the access opening 14a of the low-pressure storage compartment 14 or pulled out to open the low-pressure storage compartment 14.
  • a tray-shaped storage container 54 is connected to the rear side of the door body 5 for storing articles. The user obtains the articles located in the low-pressure storage unit 15 or stores the articles in the low-pressure storage unit 15 by pushing or pulling the storage container 54 into or out of the low-pressure storage room 14.
  • the door body 5 and the storage container 54 together constitute a drawer unit that can be pushed into and pulled out of the housing 4.
  • a retractable guide rail unit 17 can be arranged between the storage container 54 and the casing 4 so that the door 5 and the storage container 54 can be smoothly pulled out of the casing 4 or pushed into the casing 4.
  • the low-pressure storage unit 15 includes a pair of locking mechanisms for locking the door body 5 and the housing 4 in the closed position.
  • each locking mechanism includes a first mating portion 6 provided on the housing 4 and rotatably provided at both ends of the door body 5 around the rotation axis X for contacting the corresponding side A mating part 6 cooperates with a second mating part 7 that realizes the locking and unlocking of the door body 5.
  • the second mating portion 7 and the first mating portion 6 the door body 5 is locked in the closed position, and the sealing element 16 between the housing 4 and the door body 5 is squeezed by the locking force generated by the locking mechanism. It is fully deformed, and the airtightness between the door body 5 and the housing 4 is improved.
  • the first lower side wall 42c and the second lower side wall 42d of the housing 4 near the access port 14a are provided with a lock accommodating portion 61 and a first matching portion 6 located in the lock accommodating portion 61; the housing 4
  • the second enclosure 60b The first enclosure 60a and the second enclosure 60b are connected to form a lock receiving portion 61.
  • the lock accommodating portion 61 is formed with a passage opening 64 at the foremost end of the housing 4, and the passage opening 64 is used for inserting or extracting the second mating portion 7.
  • the end surfaces of the first enclosure panel 60a and the second enclosure panel 60b away from the box wall of the housing 4 are the same as the end surface of the reinforcing rib 40 away from the box wall of the housing 4.
  • the end surface of the first mating portion 6 away from the box wall of the housing 4 and the end surface of the reinforcing rib 40 away from the box wall of the housing 4 are the same. The above arrangement can ensure that the occupied space of the low-pressure storage unit 15 is not increased and the space is fully utilized.
  • the first mating portion 6 includes a locking portion 62; in the lock accommodating portion 61, the locking portion 62 is fixed on the first enclosure 60a; the locking portion 62 includes a locking wall 62a perpendicular to the first enclosure 60a and a guide wall arranged obliquely 62b; one end of the guide wall 62b is connected to the end of the locking wall 62a away from the first enclosure 60a, and the other end is connected to the end of the first enclosure 60a close to the access opening 14a.
  • the upper part of the lock accommodating portion 61 on at least one side of the housing 4 is provided with a position detection device that is electrically connected to the air extraction device and is used to cooperate with the second matching portion 7 to detect the locked and unlocked state of the door body 5.
  • the position detection device includes a travel switch 63 fixedly mounted on the housing, a travel push rod 63a slidably connected to the housing; the travel switch 63 has a trigger part; one end of the travel push rod 63a is matched with the trigger part, and the other end is connected with the The two mating parts 7 cooperate; when the second mating part 7 slides along the locking wall 62a, the stroke push rod 63a is pushed to move, thereby triggering the stroke switch 63.
  • the first enclosure 60a is provided with openings 65 that are separated from the guide wall 62b on both sides of the locking wall 62a; the openings 65 are arranged adjacent to the locking wall 62a.
  • the stroke push rod 63a of the stroke switch 63 extends into the lock accommodating portion 61 through the opening 65, and is located adjacent to the locking wall 62a.
  • a decorative cover 8 is connected to the door body 5.
  • Two opposite ends of the door body 5 are provided with connecting pieces 83, and the second matching portion 7 is rotatably arranged on the connecting pieces 83.
  • the second matching portion 7 rotates around its rotation axis X and drives the handle 81 fixed thereto to rotate.
  • Two ends of the handle 81 are respectively fixed with a second matching portion 7.
  • the second mating portion 7 is fixed to the corresponding end of the handle 81, it is fixed on the handle 81 so as not to move relative to the handle 81 by a fixing device such as a screw, so that when the handle 81 rotates and moves, the second The fitting portion 7 also rotates around the rotation axis X.
  • the second mating portion 7 includes a locking plate, which can rotate around the rotation axis X, the axis of the rotation axis X is arranged in the horizontal direction and has a set distance from the handle 81, and the locking plate faces the side of the housing 4
  • One side of the wall is provided with a protrusion 72.
  • the locking plate is in the shape of a flat plate, which includes a first slat 71a, a second slat 71b, and a third slat 71c that are connected end to end in sequence.
  • the connection between the first slat 71a and the second slat 71b extends to form a connection with the first plate.
  • the strip 71a is located on the same side of the third strip 71c and has an acute angle between the fourth strip 71d and the first strip 71a.
  • the middle position of the second slat 71b is rotatably fixed on the connecting piece 83 at the end of the door body 5; the bump 72 is provided at the connection between the second slat 71b and the third slat 71c.
  • the end of the fourth slat 71d away from the third slat 71c is fixed to the corresponding end of the handle 81.
  • the front side of the door body 5 may be provided with an inflation passage 18 (as shown in FIG. 5) arranged on the door body 5 to communicate with the inner and outer sides of the low-pressure storage unit 15 (as shown in FIG. 5), and used to close or open the inflation passage 18's pressure relief device.
  • the pressure relief device includes a rod body 20 linked with the second matching portion 7, a rotating plate 59 fixedly connected to the rod body 20, and a pressure relief member 19 fixed on the rotating plate 59 for closing or opening the inflation channel 18.
  • the two ends of the rod body 20 are respectively fixed to the locking plate on the corresponding side, and the rod body 20 and the protrusion 72 are respectively located on both sides of the rotation axis X; the rotation axis of the rotation plate 59 coincides with the rotation axis X of the second matching part;
  • the matching part 7 rotates around the rotation axis X driven by the handle 81, it drives the rod body 20 and the rotating plate 59 to rotate coaxially, and the pressure relief member 19 closes the inflation channel 18.
  • both ends of the rod body 20 penetrate the decorative cover 8, and the first slat 71 a of the second matching portion 7 and the corresponding end of the rod body 20 are fixed in a relatively non-movable manner.
  • Both sides of the decorative cover 8 are provided with escape holes 39 that are consistent with the rotational movement track of the rod body 20, and there is a gap between the door body 5 and the decorative cover 8 for the rod body 20 to rotate.
  • the door body 5 has a receiving cavity 52 recessed rearward from its front surface 5 a for receiving at least a part of the pressure relief device.
  • the inflatable channel 18 is provided on the cavity wall of the receiving cavity 52 away from the decorative cover 8 and communicates with the low-pressure storage room 14 and the receiving cavity 52;
  • the receiving cavity 52 is provided with a convex column 53 with the rotation axis X as the central axis; one end of the rotating plate 59 It is fixed to the rod body 20 and the other end is rotatably fixed in the receiving cavity 52 around the protruding column 53;
  • the pressure relief member 19 is arranged inside the rotating plate 59; and the rotating plate 59 is arranged between the rotating plate 59 and the cavity wall of the receiving cavity 52 away from the decorative cover 8.
  • torsion springs separated from the pressure relief member 19 on opposite sides of the rotating plate 59.
  • the first matching portion 6 and the second matching portion 7 are locked, and the torsion spring presses the rotating plate 59 so that the pressure relief member 19 presses the inflation channel 18.
  • the rotating plate 59 is pressed inward and downward, and the rotating plate 59 drives the second matching portion 7 and the handle 81 to rotate inward and downward.
  • the torsion spring can limit the limit position of the handle 81 upward and forward rotation, which can prevent the handle 81 from continuing to rotate and cause the upper end of the handle 81 to face When the front surface 5a of the door body 5 approaches, the user's hand is squeezed by the handle 81 and the door body 5.
  • the end of the rotating plate 59 is provided with a fixed channel with a polygonal cross-section for mounting the rod 20.
  • the cross-sectional shape of the rod 20 is consistent with the cross-sectional shape of the fixed channel.
  • the polygonal configuration of the cross-section makes the rod 20 and the rotating plate 59 No relative rotational movement is allowed.
  • the handle 81 when the door body 5 is in the closed position but not yet locked, the handle 81 is in the first position.
  • the handle 81 rotates inwardly around the rotation axis X of the second mating part 7, while the handle 81 drives the second mating part 7 and the rod body 20 to rotate inwardly, and the second mating part 7
  • the protrusion 72 gradually approaches the side of the locking portion 62 away from the access port 14a, and at the same time gradually approaches the stroke push rod 63a of the stroke switch 63; the rod body 20 drives the rotating plate 59 to rotate inward, and the rotating plate 59 drives the pressure relief member 19 to gradually approach the inflation Channel 18.
  • the door body 5 and the housing 4 are in a locked state, and the handle 81 is in the second position at this time.
  • the handle 81 is rotated to the second position, the second mating part 7 rotates into the lock accommodating part 61, the protrusion 72 on the second mating part 7 moves to an adjacent position on the rear side of the locking wall 62a, and pushes the stroke push rod 63a moves up, triggers the travel switch 63, the travel switch 63 sends a control signal for closing the door to the control unit, and the control unit controls the air extraction device to start pumping air according to the control signal; at this time, the pressure relief member 19 is in close contact with the inflation channel 18 to seal The air-filling channel 18 is blocked, and the low-pressure storage chamber 14 forms a closed space.
  • the above arrangement of the first mating portion 6, the second mating portion 7, and the travel switch 63 electrically connected to the air extraction device can timely monitor the locking state of the door 5 and the housing 4, so that the door 5 and the housing 4 can be locked in a timely manner.
  • a vacuum signal is sent to the air extraction device in time to ensure the vacuum of the low-pressure storage unit 15 and ensure the freshness of the food.
  • the projection 72 moves down along the guide wall 62b, and drives the second matching portion 7 to rotate downward about the rotation axis X; the projection 72 moves downward Gradually approach the connection between the guide wall 62b and the locking wall 62a, continue to push the door body 5 to move to the housing 4, the protrusion 72 moves to the adjacent position behind the locking wall 62a, and the door body 5 and the housing 4 are locked at the same time;
  • the pressure relief member 19 is in close contact with the inflation channel 18 to block the inflation channel 18.
  • the decorative cover 8 on the front side of the door body 5 is directly pushed to close the door without the handle 81, which is convenient and quick, and reduces the user's effort to place the force point on the door handle 81; at the same time, the guide Under the action of the wall 62b, the locking process is smooth and stable, avoiding collisions.
  • the door body 5 and the housing 4 are in a locked state.
  • the user can hold the lower end of the handle 81 and lift it upwards.
  • the handle 81 rotates around the rotation axis X and is fixed on the second connecting member 83.
  • the fitting part 7 rotates upward.
  • the rod body 20 rotates upwards and drives the rotating plate 59 to rotate upwards around the rotation axis X.
  • the pressure relief member 19 also releases the sealing of the inflation channel 18, and the external air enters the low-pressure storage chamber 14 through the inflation channel 18 to balance the internal and external pressures. . After that, the user can hold the handle 81 and pull it forward to open the door 5.
  • the second matching portion 7 and the first matching portion 6 are locked, the structure is compact, and the cooperation is stable.
  • the combination of the second mating portion 7 and the first mating portion 6 in the locked position provides a locking force between the door body 5 and the housing 4, so that the sealing element 16 is fully deformed, thereby improving the door body 5 and the housing 4 Air tightness between.
  • the inflation channel 18 When the handle 81 is in the position shown in FIGS. 9 and 10, the inflation channel 18 is tightly closed by the pressure relief member 19; when the handle 81 is in the position shown in FIGS. 6-8, the inflation channel 18 has been opened, External air can enter the low-pressure storage chamber 14 through the inflation channel 18 to release the low-pressure state of the low-pressure storage chamber 14.
  • the inflation channel 18 and the pressure relief member 19 may also be provided in isolation from the handle 81.
  • a button is provided on the door body 5. By pressing the button, the inflation channel 18 is opened, and then the user operates the handle 81 to open the door body 5.
  • the area of the door body 5 near its lower end surface 5b is recessed from its front surface 5a to form a receiving space 82 for accommodating the handle 81; in this embodiment, the lower end of the receiving space 82 extends to the lower end surface 5b of the door body 5, and there are two left and right sides. The end extends to the side end surface 5c of the door body 5.
  • the handle 81 is located in the accommodating space 82, and the front surface of the handle 81 is flush with the front surface 5a of the door body 5 on the upper part of the accommodating space 82, so as to reduce the occupied volume of the low-pressure storage unit 15 .
  • the handle 81 in the second position is completely accommodated in the accommodation space 82 of the door body 5 and does not exceed the front surface of the door body 5.
  • the handle 81 is in the first position, and the handle 81 moves out of the accommodating space 82 and is located on the front side of the front surface 5a of the door body 5; the handle 81 is in the first position It occurs when the user opens the low-pressure storage unit 15 and the door of the refrigerator 1 is opened at this time, which does not affect the arrangement of the internal space of the refrigerator 1 occupied by the low-pressure storage unit 15.
  • the handle 81 When the door of the refrigerator 1 is in the closed state and the door 5 of the low-pressure storage unit 15 is in the closed position but the handle 81 is in the second position (retracted position), the inner side of the door and the handle 81 are kept at a certain distance to avoid closing the door Damage to the low-pressure storage unit 15 is caused. Therefore, by arranging the handle 81 in the accommodating space 82, the distance between the low-pressure storage unit 15 and the inner side of the door of the refrigerator 1 can be reduced, thereby increasing the space utilization of the refrigerator 1.
  • the decorative cover 8 is connected to the door body 5 to shield the pressure relief device from the front of the door body 5. In this way, the rod body 20 is integrally located in the door body 5.
  • the handle 81 After being fixed to the door body 5, the handle 81 is rotatably connected to the door body 5. When the handle 81 is rotated, the second matching portion 7 rotates, and the rod body 20 and the rotating plate 59 both rotate around the rotation axis X.
  • the handle 81 can rotate around the rotation axis X between a first position and a second position.
  • the angle formed between the handle 81 and the housing space 82 of the door 5 close to the wall surface of the housing 4 is the largest, and the largest angle is formed between its lower end and the housing space 82 of the door 5 close to the wall surface of the housing 4 Distance, so the first position can also be called the extended position.
  • the angle formed between the handle 81 and the wall surface of the housing space 82 on the door 5 close to the housing 4 is the smallest, and the minimum distance is formed between its lower end and the wall surface of the housing space 82 close to the housing 4, so
  • the second position may also be referred to as the retracted position.
  • the second matching portion 7 linked with the handle 81 and the rod body 20 linked with the second matching portion 7 are also restricted to rotate between the first limit position and the second limit position, wherein, when the handle 81 is in the first position When the second matching portion 7 and the rod body 20 are in the first limit position (as shown in Figures 6 and 8), when the handle 81 is in the second position, the second matching portion 7 and the rod body 20 are both in the second limit position ( As shown in Figure 9).
  • FIGS. 12-14 are schematic structural diagrams of the exhaust setting of the low-pressure storage unit of the refrigerator; as shown in FIGS. 12-14, the refrigerator 1 has a drain pipe 21 for draining the condensed water inside the refrigerator 1.
  • One end of the air suction device communicates with the low-pressure storage unit 15, and the other end communicates with the drain pipe 21 of the refrigerator 1.
  • the air extraction device operates to extract the air in the low-pressure storage unit 15 and deliver it to the drain pipe 21, and finally discharge the air from the refrigerator 1 through the drain pipe 21.
  • the gas extracted from the low-pressure storage unit 15 In order to prevent the gas extracted from the low-pressure storage unit 15 from being directly discharged into the refrigerator 1 to cause the food in other areas in the refrigerating compartment 12 to smell each other, which affects the freshness preservation effect of the food.
  • the air extraction device includes a vacuum pump 22, a first pipe 23 connecting the vacuum pump 22 and the low-pressure storage unit 15, and a second pipe 24 connecting the vacuum pump 22 and the drain pipe 21.
  • the vacuum pump 22 is arranged on the inner container 2 b of the refrigerating compartment 12 and is close to the bottom of the low-pressure storage unit 15.
  • a suction port connected to the first pipeline 23 is provided on the top of the low-pressure storage unit 15 near the rear end, and an exhaust port connected to the second pipeline 24 is provided on the drain pipe 21;
  • the vacuum pump 22 has a pump body, a suction pipe 22 a connected with the first pipe 23, and an exhaust pipe 22 b connected with the second pipe 24.
  • the suction pipe 22a of the vacuum pump 22 and the exhaust pipe 22b are arranged side by side, and are located at the same end of the vacuum pump 22; the first pipe 23 is fixed with the suction port on the low-pressure storage unit 15 and then bent and turned to follow the top of the rear end of the low-pressure storage unit 15 It extends at the edge, and then bends at the first turning position A1 by 90 degrees and turns to the rear wall of the inner liner 2b, and extends parallel to the top wall 41a of the low-pressure storage unit 15 to the second turning position B1; turns to 90 again at the second turning position B1 The angle extends downward to the third steering position C1; at the third steering position C1, it turns again to communicate with the suction pipe 22a; where, on the projection of the plane where the bottom wall 42a of the storage unit is located, the second steering position B1 and the third steering position
  • the projection of the second steering position B1 coincides with the projection of the third steering position C1.
  • the second pipeline 24 communicates with the exhaust pipe 22b of the vacuum pump 22 and passes through the inner liner 2b to communicate with the exhaust port on the drain pipe 21.
  • the multiple turning arrangements of the first pipeline 23 above make the path of the pipeline tidy, and reduce the space occupied by the pipeline perpendicular to the rear wall of the inner liner 2b, so as to increase the available space of the low-pressure storage unit 15.
  • the present disclosure should not be limited to the above-described steering mode of the first exhaust pipe 22a, and other steering modes may also be applied to the present disclosure to reduce the space occupied by the pipeline.
  • FIGS 15-18 are schematic views of the structure of the air extraction device of the refrigerator; as shown in Figures 15-18, the air extraction device includes a pump casing 27 and an elastic body 28 sheathed between the pump body and the pump casing 27.
  • the pump housing 27 is provided with a connecting plate 27a fixed to the rear wall of the inner liner 2b; in this embodiment, the connecting plate 27a is provided with screw holes, and the pump housing 27 is fixedly connected to the rear wall of the inner liner 2b by screws.
  • the elastic body 28 has a main body 74 on which the vacuum pump 22 is installed.
  • the main body 74 is provided with a mounting cavity 74a that conforms to the shape of the vacuum pump 22; the radial dimension of the mounting cavity 74a of the main body 74 is smaller than the radial dimension of the corresponding position of the vacuum pump 22.
  • the elastic body 28 is close to the vacuum pump 22 to absorb vibration on the vacuum pump 22 in a timely manner.
  • a positioning block 22c is provided on the end of the vacuum pump 22 opposite to the suction pipe 22a and the exhaust pipe 22b; one end of the installation cavity 74a of the main body 74 is provided with a perforation 75 through which the suction pipe 22a and the exhaust pipe 22b pass, and the other end An end cover 76 matched with the end of the vacuum pump 22 is provided, and a positioning hole 76a matched with the positioning block 22c is provided on the end cover 76 to protect the end of the vacuum pump 22.
  • the periphery of the main body 74 is provided with a plurality of protrusions 77 arranged side by side along the central axis of the main body 74 and surrounding the main body 74.
  • the outer diameter of the main body 74 of the elastic body 28 is smaller than the inner diameter of the pump casing 27, and the outer diameter of the elastic body 28 is larger than the inner diameter of the pump casing 27, so that when the elastic body 28 is installed inside the pump casing 27, the elastic body 28 It is squeezed and installed between the pump housing 27 and the vacuum pump 22, and an air cavity is formed between the protrusions 77 to improve the vibration and noise reduction effect of the elastic body 28.
  • the protrusion 77 is provided with a notch 77a, and the positions of the notches 77a on the plurality of protrusions 77 correspond; the notches 77a reserve space for the deformation of the elastic body 28, ensure the deformation ability of the elastic body 28, and improve the effect of vibration and noise reduction.
  • the notch 77a has a semicircular shape.
  • a plurality of notches 77a are evenly distributed on the protrusion 77. It should be understood that the present disclosure should not be limited to the shape and number of the notches 77a described above. The present disclosure can also apply other shapes of notches 77a, such as four arcuate notches 77a provided on a protrusion 77.
  • the pump casing 27 includes a first casing 27 b and a second casing 27 c.
  • the first casing 27 b and the second casing 27 c are clamped to be installed outside the elastic body 28.
  • the above pump casing 27 is arranged in a split type, which is convenient for disassembly and assembly.
  • Figs. 19-22 are schematic structural diagrams of the fixing mechanism of the low-pressure storage unit of the refrigerator; as shown in Figs. 19-22, the refrigerator 1 includes a plurality of fixing mechanisms for connecting the low-pressure storage unit 15 and the inner container 2b.
  • Each fixing mechanism includes a first fixing part 3 arranged on the bottom wall 42a of the low-pressure storage unit 15 and a second fixing part 11 arranged on the bottom wall of the inner liner 2b of the refrigerating compartment 12. With the combination of the two fixing parts 11, the low-pressure storage unit 15 is fixed to the refrigerating compartment 12.
  • the first fixing portion 3 has a first side plate 31, a second side plate 32, and a third side plate 33 connected in sequence, wherein the first side plate 31 and the third side plate 33 are perpendicular to the second side plate 32, and Located on the same side of the second side plate 32, a guide channel 36 is formed between the first side plate 31 and the third side plate 33, and a guide channel opening 36 a is formed at an end away from the second side plate 32.
  • the second side plate 32 is provided with a fixing hole 32a.
  • An end of the second side plate 32 away from the bottom wall 42a of the housing 4 is provided with a first bottom plate 34.
  • the first bottom plate 34 connects the second side plate 32 and the third side plate 33, and forms a limiting channel on the first bottom plate 34 35.
  • the limiting channel 35 extends in a direction away from the second side plate 32, and a limiting channel opening 35a is formed at the end of the first bottom plate 34 away from the second side plate 32, namely the guiding channel opening 36a and the limiting channel opening 35a
  • the direction is the same.
  • the limiting channel 35 can be configured as a gradual expansion type.
  • the plurality of first fixing parts 3 are uniformly distributed on the bottom wall 42a of the low-pressure storage unit 15 maintaining the orientation of the guide channel openings 36a.
  • the four first fixing parts 3 are arranged in two groups and two rows.
  • the guide channel opening 36a of the guide channel 36 faces the rear side of the casing 4 or is located on the side away from the fresh-keeping container 44, so as to minimize the gap between the installed low-pressure storage unit 15 and the inner liner 2b, so as to make full use of the refrigerator 1.
  • the internal space of the low-pressure storage unit 15 is avoided to reserve installation space for the installation of the low-pressure storage unit 15, thereby reducing the space occupied by the low-pressure storage unit 15.
  • the second fixing portion 11 has a second bottom plate 11a fixed on the bottom wall of the inner liner 2b, a fixing hook 11b matched with the fixing hole 32a, and a fixing column 11c connecting the second bottom plate 11a and the fixing hook 11b.
  • the fixing post 11c is installed in the guide channel 36 and the limiting channel 35; the fixing hook 11b is located between the first bottom plate 34 and the bottom wall 42a of the housing 4, and is installed in the fixing hole 32a to be clamped to the second side plate 32 At this time, the fixed post 11c abuts against the end of the limiting channel 35 close to the second side plate 32; the above coordinated arrangement restricts the three dimensions of the second fixed portion 11 to improve installation stability.
  • a plurality of second fixing parts 11 are uniformly distributed on the bottom wall of the inner liner 2b in a consistent orientation.
  • the bottom wall of the inner bladder 2b is provided with a recess 30 for fixing the second bottom plate 11a to fix the second fixing portion 11 and reduce the height of the space occupied by the second fixing portion 11.
  • Figures 23-26 are structural diagrams of the air duct mechanism of the low-pressure storage unit of the refrigerator; as shown in Figures 23-26, the refrigerator 1 has a first air duct connected to the main air duct and arranged adjacent to the low-pressure storage unit 15. Air duct 10; the first air duct 10 extends forward along the top of the low-pressure storage unit 15 to guide low-temperature air to the front end of the low-pressure storage unit 15; at the same time, when low-temperature air circulates in the first air duct 10, the first wind The area around the road 10 is cooled down.
  • the first air duct 10 is flat, and the above arrangement can increase the overlapping area of the first air duct 10 and the low-pressure storage unit 15 and improve the cooling effect.
  • the first air duct 10 may be set to be a gradual expansion type to increase the overlap area between the first air duct 10 and the front end of the low-pressure storage unit 15 to reduce the temperature difference between the front and rear of the low-pressure storage unit 15.
  • the front end of the first air duct 10 is provided with a first air outlet 10a located on its front end surface and a second air outlet 10b located on its lower end surface 5b.
  • the first air outlet 10a guides the low-temperature air to the front, diffuses the low-temperature air to the front end of the low-pressure storage unit 15 and reduces the temperature difference between the front and rear of the low-pressure storage unit 15.
  • the first air outlet 10a may be tapered along the air outlet direction, so as to increase the wind speed at the first air outlet 10a and increase the air supply distance.
  • the plurality of first air outlets 10a are arranged at intervals.
  • the second air outlet 10b guides the low-temperature air to the top of the low-pressure storage unit 15 and spreads on the top of the low-pressure storage unit 15 with the second air outlet 10b as the center to cover the low-pressure storage unit 15.
  • the second air outlet 10b can be set as a gradual expansion type; to ease the wind speed, make the low-temperature air flow along the gap between the first air duct 10 and the low-pressure storage unit 15 Spread around to cover the low-pressure storage unit 15.
  • the distance between the foremost end of the first air duct 10 and the foremost end of the low-pressure storage unit 15 is recorded as L1.
  • the length of the low-pressure storage unit 15 in the front-rear direction is recorded as L2, L1: L2 ⁇ [0.2, 0.8], the above settings can be efficiently
  • the low-temperature air is diffused to form a low-temperature environment on the peripheral side of the low-pressure storage unit 15 so as to reduce the temperature inside the low-pressure storage unit 15.
  • the first air duct 10 introduces low-temperature air into the peripheral side of the low-pressure storage unit 15 to surround the low-pressure storage unit 15, which can maintain a lower temperature environment compared to other locations in the refrigerating compartment 12, and enhance the refrigeration of the low-pressure storage unit 15. Freshness preservation effect.
  • the back wall of the inner bladder 2b is provided with a communicating port communicating with the main air duct, and the first air duct 10 is fixed on the communicating port.
  • the present disclosure should not be limited to the location of the first air duct 10 and the structural form of the first air duct 10. The present disclosure can also be applied to other positions and other structural forms that are adjacent to the low-pressure storage unit 15 and have low temperature.
  • the air is guided to the first air duct 10 at the front end of the low-pressure storage unit 15, for example, is provided at a side surface of the low-pressure storage unit 15 or the like.
  • Figures 27-29 are structural schematic diagrams of the pressure detection unit of the low-pressure storage unit of the refrigerator; as shown in Figures 27-29, the refrigerator 1 has a backside of the low-pressure storage unit 15 that detects the pressure in the low-pressure storage unit 15 and is connected to the pump.
  • the pressure detection unit 9 is electrically connected to the gas device to monitor the pressure in the low-pressure storage unit 15.
  • the pressure detection unit 9 sends a vacuum signal to pump air
  • the air extraction device works to form a "vacuum chamber" to ensure that when the low-pressure storage unit 15 has not been opened for a long time, the low-pressure storage unit 15 will reach the desired pressure when the pressure rises due to air leakage after a long time due to unavoidable reasons.
  • the air extraction device can work in time to ensure the vacuum degree of the low-pressure storage unit 15 so as to ensure the preservation effect of food.
  • the pressure detection unit 9 has a column 91 protruding from the back of the low-pressure storage unit 15.
  • the column 91 has a first through hole 91a communicating with the low-pressure storage chamber 14 of the low-pressure storage unit 15;
  • the rubber seal 92 at the end of the sealing column 91 and the pressure switch 93 abutting the rubber seal 92;
  • a spring 94 is provided between the rubber seal 92 and the bottom of the column 91, and a float is provided between the spring 94 and the rubber seal 92 Block 95.
  • the floating block 95 receives a certain air pressure to overcome the tension of the spring 94 to push the rubber seal 92 to move.
  • the rubber seal 92 is acted on by the floating block 95 to apply pressure to the pressure switch 93 to trigger the pressure switch 93; the pressure switch 93 sends a control signal to the control unit, and the control unit controls the air extraction device to pump the low-pressure storage unit 15 according to the control signal. vacuum.
  • the back area of the low-pressure storage unit 15 surrounded by the first through hole 91a is provided with a mounting block 45 fixed to one end of the spring 94; a floating block 95 is fixed at the other end of the spring 94; One end of the storage unit 15 is provided with a second through hole 91b with a radial dimension greater than the radial dimension of the first through hole 91a, so that the end of the column 91 away from the low pressure storage unit 15 forms a mounting platform 46 for installing the rubber seal 92; a floating block 95 is T-shaped, which includes a floating plate 95a that is in contact with the rubber seal 92 and is provided with a recess 95c in the central area, and a floating column 95b connected to the spring 94.
  • the radial dimension of the floating plate 95a is larger than that of the floating column 95b. Radial size; the rubber seal 92 is a circular truncated shell shape with a supporting column 92a matching the concave portion 95c on the floating plate 95a at the center; the size of the circular truncated shell-shaped rubber seal 92 away from the mounting platform 46 is smaller than its close The size of one end of the mounting table 46.
  • the periphery of the column 91 is provided with a fixing table 47 on which the pressure cover 55 is installed; one side of the pressure cover 55 is provided with an annular groove 56 that matches with the column 91, and a fixing plate 57 corresponding to the fixing table 47 is arranged on the periphery of the groove 56
  • the other side of the pressure cover 55 is provided with an accommodation cavity 58 where the pressure switch 93 is installed; wherein, the bottom of the accommodation cavity 58 is provided with a third through hole 58a, so that the rubber seal 92 and the pressure switch 93 abut.
  • an elastic hook 58b for fixing the pressure switch 93 is provided at the mouth of the accommodating cavity 58.
  • the end of the column 91 is installed in the annular groove 56 of the pressure cover 55, the inner groove wall of the annular groove 56 presses the rubber seal 92, the fixing plate 57 is matched with the fixing table 47, and is fixedly connected by screws.
  • the pressure detection unit 9 provided above is integrated with the low-pressure storage unit 15 to improve the detection accuracy of the pressure detection unit 9 so that the pressure detection unit 9 can monitor the pressure in the low-pressure storage unit 15 in real time, and the pressure in the low-pressure storage unit 15 is higher than When the vacuum refrigeration function is lost due to the preset value, a vacuum signal is sent to the air extraction device in time to ensure the vacuum degree in the low-pressure storage unit 15 so as to ensure the freshness of the food.

Abstract

La présente invention concerne un réfrigérateur (1), qui comprend : un corps d'armoire (2) pour délimiter une chambre de stockage ; une unité de stockage basse pression (15) logée dans la chambre de stockage ; une seconde partie de fixation (11) disposée sur la paroi inférieure de la chambre de stockage ; et une première partie de fixation (3) disposée sur la paroi inférieure de l'unité de stockage basse pression (15), la seconde partie de fixation (11) comprend une colonne de fixation (11c) raccordée à la paroi inférieure de la chambre de stockage, et un crochet de fixation (11b) situé au niveau d'une partie extrémité de la colonne de fixation (11c) ; la première partie de fixation (3) comprend un canal de guidage (36), une extrémité du canal de guidage (36) étant conçue pour être une ouverture de canal de guidage (36a), et l'autre extrémité de celui-ci étant pourvue d'une seconde plaque latérale (32) ; un trou de fixation (32a) correspondant au crochet de fixation (11b) est disposé dans la seconde plaque latérale (32) ; et lorsque l'unité de stockage basse pression (15) est installée, la colonne de fixation (11c) et le crochet de fixation (11b) de la seconde partie de fixation (11) entrent dans le canal de guidage (36) à partir de l'ouverture de canal de guidage (36a) et se déplacent vers la seconde plaque latérale (32) jusqu'à ce que le crochet de fixation (11b) pénètre dans le trou de fixation (32a), puis le crochet de fixation (11b) est serré sur la seconde plaque latérale (32).
PCT/CN2020/126296 2019-12-12 2020-11-03 Réfrigérateur WO2021114959A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
CN201922234935.7 2019-12-12
CN201922234935 2019-12-12
CN201911329054.1A CN112984904A (zh) 2019-12-12 2019-12-20 冰箱
CN201922307499.1U CN211204580U (zh) 2019-12-12 2019-12-20 冰箱
CN201911329054.1 2019-12-20
CN201922307499.1 2019-12-20

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WO2021114959A1 true WO2021114959A1 (fr) 2021-06-17

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Publication number Priority date Publication date Assignee Title
CN101825385A (zh) * 2007-06-15 2010-09-08 日立空调·家用电器株式会社 电冰箱
CN101358796A (zh) * 2007-08-02 2009-02-04 日立空调·家用电器株式会社 电冰箱
CN101358795A (zh) * 2007-08-02 2009-02-04 日立空调·家用电器株式会社 冰箱
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CN101828086A (zh) * 2007-10-23 2010-09-08 Lg电子株式会社 冰箱用排气容器
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