CN113915851A - Refrigerator with a door - Google Patents

Refrigerator with a door Download PDF

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Publication number
CN113915851A
CN113915851A CN202110003126.4A CN202110003126A CN113915851A CN 113915851 A CN113915851 A CN 113915851A CN 202110003126 A CN202110003126 A CN 202110003126A CN 113915851 A CN113915851 A CN 113915851A
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CN
China
Prior art keywords
air
freezing
duct
refrigerating
plate
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.)
Granted
Application number
CN202110003126.4A
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Chinese (zh)
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CN113915851B (en
Inventor
李琴
宿孝庆
王仁华
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 Shandong Refrigerator Co Ltd
Original Assignee
Hisense Shandong 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.)
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Application filed by Hisense Shandong Refrigerator Co Ltd filed Critical Hisense Shandong Refrigerator Co Ltd
Priority to CN202110003126.4A priority Critical patent/CN113915851B/en
Publication of CN113915851A publication Critical patent/CN113915851A/en
Application granted granted Critical
Publication of CN113915851B publication Critical patent/CN113915851B/en
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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
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • 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
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/14—Collecting or removing condensed and defrost water; Drip trays
    • 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
    • F25D23/006—General constructional features for mounting refrigerating machinery components
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

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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)

Abstract

The invention provides a refrigerator, which comprises a refrigerating chamber, a freezing air channel unit, a switching air channel and a refrigerating air door assembly, wherein the rear part of the refrigerating chamber is provided with a refrigerating air supply channel; the freezing air duct unit comprises a freezing air duct rear cover and a freezing air duct cover plate which jointly define a freezing air supply air duct, the freezing air duct rear cover is integrally formed, and an accommodating part is formed on the freezing air duct rear cover; the refrigerating air door component comprises a refrigerating air door and an air door fixing foam piece which is arranged in the accommodating part and used for fixing the refrigerating air door; the refrigerating air door is arranged in the freezing air supply duct, so that the storage space of the refrigerating chamber can be increased; in addition, the refrigeration air door is arranged in the containing part on the freezing air duct cover plate through air door fixing foam, so that the assembly and disassembly are convenient, and the connection stability is good; in addition, cold air in the freezing air supply duct is conveyed to the rear side of the refrigerating chamber through the switching air duct, so that the whole air path of the refrigerator system for supplying air to the refrigerating chamber is smooth, and the air volume loss is reduced.

Description

Refrigerator with a door
Technical Field
The invention belongs to the technical field of refrigerators, and particularly relates to a refrigerator.
Background
Refrigerators occupy an important share of the market as indispensable electric appliances in home life. With the increase of the quality requirements of consumers for fresh food, the requirements for refrigerators are also higher and higher, and the refrigerators are required to have higher configuration and stronger functions.
At present, for a single-system side-by-side refrigerator, a refrigerating air door capable of being opened or closed is usually arranged in a refrigerating chamber, and because the refrigerating air door needs to occupy a certain space, a protruding bag structure which protrudes towards the inside of the refrigerating chamber to accommodate the refrigerating chamber air door is often formed at the top of the refrigerating chamber, and the protruding bag structure occupies partial space of the refrigerating chamber, so that the storage volume of the refrigerating chamber can be reduced.
The invention is provided in view of the above.
Disclosure of Invention
The invention provides a refrigerator aiming at the technical problems.
In order to achieve the purpose, the invention adopts the technical scheme that:
a refrigerator, comprising:
a refrigerating chamber, a rear part of which is provided with a refrigerating air supply duct;
a freezing chamber surrounded by a freezing inner container;
the freezing air duct unit is arranged at the rear part of the freezing chamber; the freezing air channel unit comprises a freezing air channel rear cover and a freezing air channel cover plate, and the freezing air channel cover plate and the freezing air channel rear cover are oppositely arranged to define a freezing air supply air channel; the rear cover of the freezing air duct is integrally formed, and an accommodating part is formed on the rear cover;
the switching air duct unit is internally provided with a switching air duct which is communicated with the freezing air supply duct and the refrigerating air supply duct;
the refrigerating air door assembly is arranged in the accommodating part in the freezing air supply duct; the refrigeration damper assembly includes:
a damper fixing foam member installed in the accommodating portion; an installation cavity is formed in the air door fixing foam piece;
the refrigerating air door is arranged in the installation cavity of the air door fixed foam piece;
when the refrigerating air door is opened, the freezing air supply duct is communicated with the switching duct, and part of cold air in the freezing air supply duct enters the refrigerating air supply duct at the rear side of the refrigerating chamber through the switching duct and then enters the refrigerating chamber; when the cold storage air door is closed, the freezing air supply duct is disconnected with the switching duct.
Preferably, the freezing air duct rear cover comprises a freezing air duct back plate and a side plate arranged at the edge of the freezing air duct back plate, and the side plate is provided with a switching air port corresponding to the switching air duct.
Preferably, the area of the freezing air duct back plate close to the air switching port is recessed towards one side far away from the freezing air duct cover plate to form a recessed part;
limiting plates connected with the side plates provided with the switching air ports are arranged at the upper edge and the lower edge of the concave part;
the concave part, the limiting plate and the side plate jointly limit the accommodating part for accommodating the refrigeration air door.
Preferably, a fan is arranged in the freezing air supply duct, and a freezing air inlet corresponding to the fan is arranged on the freezing air supply duct;
in the projection of the plane of the freezing air inlet, the rotation center O of the fan1The diameter of an impeller of the fan is D; the lower boundary of the air door fixing foam piece is set as a straight line segment, and the straight line where the lower boundary is located is marked as a straight line L;
the lower boundary of the air door fixing foam piece is arranged downwards in the direction from the refrigerating chamber to the freezing chamber.
Preferably, about the fan rotation center O1As a center of circle, with D1The circle with the diameter D + Delta D is marked as a circle O1Wherein Δ D > 0; straight line L and circle O1Tangent.
Preferably, the straight line L and the circle O ″1Is marked as A, wherein A is [20 DEG ], 30 DEG]。
Preferably, a is 25 °.
Preferably, the air door fixing foam piece comprises a first foam piece and a second foam piece, a first air opening is formed in the first foam piece, and a second air opening is formed in the second foam piece; the first foam piece and the second foam piece are matched to define the mounting cavity; the first air opening and the second air opening are respectively arranged at two opposite sides of the refrigerating air door.
Preferably, the first foam piece comprises a first matching plate, a second matching plate, a third matching plate and a fourth matching plate which are sequentially arranged around the first air opening; a first mounting table is formed on one side, close to the first air opening, of the first matching plate, a second mounting table is formed on one side, far away from the first air opening, of the second matching plate, and a third mounting table is formed on one side, close to the first air opening, of the third matching plate;
the second foam piece comprises a fifth matching plate, a sixth matching plate, a seventh matching plate and an eighth matching plate which are sequentially arranged around the second air opening;
the fifth matching plate is installed on the first installation platform, and a fourth installation platform matched with the first matching plate is formed on one side, away from the second air opening, of the fifth matching plate;
the sixth matching plate is arranged on the second mounting table, and a fifth mounting table matched with the second matching plate is formed on one side, close to the air switching port, of the sixth matching plate;
the seventh matching plate is installed on the third installation platform, and a sixth installation platform matched with the fourth matching plate is formed on one side, far away from the air transfer port, of the seventh matching plate.
Preferably, a fitting gap is formed between the adjacent end parts of the second fitting plate and the third fitting plate; and the adjacent end part area of the sixth matching plate and the seventh matching plate is provided with a matching lug which is arranged in the matching gap.
Compared with the prior art, the invention has the advantages and positive effects that:
the invention provides a refrigerator, which comprises a refrigerating chamber, a freezing air channel unit, a switching air channel and a refrigerating air door assembly, wherein the rear part of the refrigerating chamber is provided with a refrigerating air supply channel; the freezing air duct unit comprises a freezing air duct rear cover and a freezing air duct cover plate which jointly define a freezing air supply air duct, the freezing air duct rear cover is integrally formed, and an accommodating part is formed on the freezing air duct rear cover; the refrigerating air door component comprises a refrigerating air door and an air door fixing foam piece which is arranged in the accommodating part and used for fixing the refrigerating air door; the refrigerating air door is arranged in the freezing air supply duct, so that the internal structure of the refrigerating chamber is simple, and the storage space of the refrigerating chamber can be increased; in addition, the refrigeration air door is arranged in the containing part on the freezing air duct cover plate through air door fixing foam, so that the assembly and disassembly are convenient, and the connection stability is good; in addition, cold air in the freezing air supply duct is conveyed to the rear side of the refrigerating chamber through the switching air duct, so that the whole air path for supplying air to the refrigerating chamber by the refrigerator system is smooth, and the air volume loss is reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of a refrigerator according to the present invention;
FIG. 2 is a schematic view of the internal structure of the refrigerator according to the present invention;
fig. 3 is a sectional view of a refrigerator according to the present invention;
FIG. 4 is a schematic view of the whole structure of the freezing duct unit of the refrigerator according to the present invention;
FIG. 5 is a schematic view of another perspective of the freezing duct unit of the refrigerator according to the present invention;
FIG. 6 is an exploded view of the freezing duct unit of the refrigerator according to the present invention;
FIG. 7 is an exploded view of the refrigerating duct unit of the refrigerator according to the present invention;
FIG. 8 is an exploded view of the refrigerator of the present invention;
FIG. 9 is an exploded view of the refrigerator according to another aspect of the present invention;
fig. 10 is a sectional view of a freezing duct unit of the refrigerator according to the present invention;
fig. 11 is another sectional view of the freezing duct unit of the refrigerator according to the present invention;
FIG. 12 is a schematic structural view of a freezing rear cover of a freezing air duct unit of the refrigerator according to the present invention;
FIG. 13 is a schematic view of the assembly of the refrigerated rear cover, the fan and the refrigerating damper assembly of the refrigerated air duct unit of the refrigerator according to the present invention;
FIG. 14 is a partially exploded view of a freezing duct unit of the refrigerator according to the present invention;
FIG. 15 is an exploded view of the damper fixing foam member of the refrigerator according to the present invention;
FIG. 16 is an exploded view of the refrigerator door according to the present invention from another perspective;
fig. 17 is a structural diagram of another view angle of the assembly of the freezing rear cover, the fan and the refrigerating damper assembly of the freezing air duct unit of the refrigerator according to the present invention.
In the above figures: a refrigerator 1; a case 10; a storage compartment 11; a refrigerating damper 14; a fan 15; a recess 16; a refrigerating compartment 12; a refrigerating inner container 121; a refrigerated air supply duct 120;
a freezing chamber 13; a freezing inner container 131; a freezing air supply duct 130;
a freezing air duct unit 2; a freezing duct housing 21; a freezing air inlet 22; a freezing air supply outlet 23; a transfer tuyere 24; a freezing air duct back plate 25; a freezing duct cover 26; side plates 27; a housing portion 251; a recessed portion 252; a limit plate 253; a freezing air duct decorative plate 28; a freezing air duct rear cover 29; a heat insulating board 20;
a refrigerating air duct unit 3; a refrigerating duct decorative plate 31; a refrigeration air inlet 32; a refrigerating air supply outlet 33; a refrigerated foam board 34; a refrigerating duct cover plate 35;
the air door fixing foam piece 4; a first foam piece 6; a second foam piece 7; a mounting cavity 40; a first tuyere 60; a second tuyere 70;
a first mating plate 61; a second mating plate 62; a third mating plate 63; a fourth mating plate 64; a first mounting table 65; a second mounting table 66; a third mounting table 67; the fit clearance 68;
a fifth fitting plate 71; a sixth mating plate 72; a seventh mating plate 73; an eighth mating plate 74; a fourth mounting table 75; a fifth mounting table 76; a sixth mounting table 77; the mating projections 78;
a switching duct unit 5; a switching duct 50;
a first transition piece 8; a first foam sheet 81; a second foam sheet 82; a third foam sheet 83; a convex column 811; a convex strip 821;
a second adaptor 9; a fourth foam sheet 91; a pit 911; and a protrusion 912.
Detailed Description
The present invention is further described below in conjunction with specific examples to enable those skilled in the art to better understand the present invention and to practice it, but the scope of the present invention as claimed is not limited to the scope described in the specific embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
It should be noted that all directional indicators (such as up, down, left, right, front, and back) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1 to 17, a refrigerator 1 includes a heat-insulated cabinet 10. The cabinet 10 defines a plurality of insulated storage compartments 11 to store food and the like; in the present embodiment, the storage compartment 11 includes a refrigerating compartment 12 and a freezing compartment 13 which are adjacently provided on the left and right, and the refrigerating compartment 12 and the freezing compartment 13 are partitioned by a center sill. Specifically, the refrigerating chamber 12 is surrounded by a refrigerating liner 121, the freezing chamber 13 is surrounded by a freezing liner 131, and two side walls of the freezing liner 131 adjacent to the refrigerating liner 121 form a center sill.
As shown in fig. 1 to 3, a freezing air duct unit 2 for conveying cold air is disposed at the rear side of the freezing chamber 13, and a freezing air supply duct 130 is formed in the freezing air duct unit 2; a refrigerating air channel unit 3 for conveying cold air is arranged at the rear side of the refrigerating chamber 12, and a refrigerating air supply air channel 120 is formed in the refrigerating air channel unit 3; the refrigerator 1 includes a switching air duct unit 5, a switching air duct 50 is formed in the switching air duct unit 5, and the switching air duct 50 communicates the freezing air supply duct 130 and the refrigerating air supply duct 120. And a refrigeration air door 14 is arranged in the freezing air supply duct, and the connection or disconnection between the freezing air supply duct 130 and the switching air duct 50 is controlled by controlling the opening and closing of the refrigeration air door 14.
As shown in fig. 4-6, the freezing air duct unit 2 includes a freezing air duct housing 21 having a freezing air supply duct 130 formed therein, the freezing air duct housing 21 is provided with a freezing air inlet 22 for supplying cold air into the freezing air supply duct 130, a freezing air supply outlet 23 for discharging cold air in the air duct, and a switching air outlet 24; wherein, the freezing air supply outlet 23 is communicated with the freezing chamber 13; the switching air inlet 24 is disposed at a side adjacent to the refrigerating chamber 12 for being connected to the switching duct 50. The front side of the freezing inner container 131 is provided with a main air duct, an evaporator is arranged in the main air duct, and the main air duct is communicated with an air outlet of the freezing air supply duct. More than, freezing air supply wind channel locates freezing inner bag rear side, and cold-stored air supply wind channel locates cold-stored inner bag rear side to through freezing air supply wind channel of switching wind channel intercommunication and cold-stored air supply wind channel, make the whole wind path of the cold-stored air supply of refrigerator system smooth, reduced the loss of the amount of wind, thereby make the walk-in amount of wind sufficient.
Specifically, the freezing air duct housing 21 includes a freezing air duct rear cover 29 formed with a freezing air inlet 22 and a switching air inlet 24, and a freezing air duct cover plate 26 formed with a freezing air supply outlet 23, and the freezing air duct cover plate 26 and the freezing air duct rear cover 29 are disposed opposite to each other to sandwich and define a freezing air supply duct 130. Specifically, the freezing air duct rear cover 29 and the freezing air duct cover plate 26 can be fixed into a whole in a buckling manner. In addition, a fan 15 corresponding to the freezing air inlet 22 is arranged in the freezing air supply duct 130. The freezing air duct unit 2 further comprises a refrigeration air door assembly, wherein the refrigeration air door assembly comprises a refrigeration air door 14 which is fixed at the position of the through air inlet 24 and used for controlling the opening or closing of the through air inlet 24; the opening or closing of the refrigerating damper 14 is controlled to control the connection or disconnection of the freezing air supply duct 130 and the switching duct 50, thereby controlling whether to supply air to the refrigerating chamber 12.
As shown in fig. 7, the refrigerating air duct unit 3 includes a refrigerating air duct cover 35, a refrigerating foam board 34 is disposed between the refrigerating air duct cover 35 and the rear wall of the refrigerating inner container 121, and the refrigerating foam board 34 cooperates with the refrigerating inner container 121 to define the refrigerating air supply duct 120. And a refrigerating air duct decorative plate 31 is arranged on one side of the refrigerating air duct cover plate 35 far away from the refrigerating foam plate 34. The refrigerating foam board 34 is provided with a plurality of refrigerating air supply outlets 33 from top to bottom, and the refrigerating air supply outlets 33 are communicated with the refrigerating air supply duct 120 and the refrigerating chamber 12. The refrigerating air supply duct 120 is formed with a refrigerating air inlet 32 at a side thereof adjacent to the freezing chamber 13. In this embodiment, the plurality of refrigerating air supply outlets 33 are arranged in parallel from top to bottom, so that the cold air from the refrigerating air supply duct 120 enters the refrigerating chamber 12 layer by layer, which is beneficial for more uniform refrigeration of the refrigerating chamber 12 and realizes full-space cooling of the refrigerating chamber 12.
As shown in fig. 8 to 9, the switching duct unit 5 is disposed at the rear side of the refrigerating inner container 121 and the freezing inner container 131. Specifically, the switching air duct unit 5 includes a first adapter 8 and a second adapter 9, and the first adapter 8 and the second adapter cooperate to define the switching air duct 50. The switching duct 50 is connected to the switching air inlet 24 of the freezing air supply duct 130 at one end and to the refrigerating air inlet 32 of the refrigerating air supply duct 120 at the other end to communicate the freezing air supply duct 130 and the refrigerating air supply duct 120. In this embodiment, the first adapter 8 and the second adapter 9 are both integrated members, and the first adapter 8 and the second adapter 9 are both foam members, which define the switching air duct 50, and can effectively insulate the air flow flowing through the switching air duct 50.
Specifically, the first adapter 8 includes a first foam board 81 and a second foam board 82 connected to each other, a third foam board 83 is disposed at the upper end of the first foam board 81, and the first foam board 81 and the second foam board 82 are both connected to the third foam board 83. The first foam plate 81 is matched with the rear wall of the refrigerating liner 121, the second foam plate 82 is arranged between the two adjacent side walls of the refrigerating liner 131 and the refrigerating liner 121, and the top wall of the refrigerating liner 121 and the top wall of the refrigerating liner 131 are matched with the third foam plate 83; specifically, protruding strips 821 are arranged on two opposite sides of the second foam board 82; correspondingly, grooves 16 are respectively arranged on two side walls of the freezing inner container 131 adjacent to the refrigerating inner container 121; the second foam board 82 is installed between two adjacent sidewalls of the freezing inner container 131 and the refrigerating inner container 121, and the protruding strips 821 on two opposite sides of the second foam board 82 are matched with the grooves 16 on the adjacent sidewalls of the inner container. Above setting only need with first adaptor 8 put into corresponding position can, do not need other mountings, make and to make cold-stored inner bag 121, freezing inner bag 131 and first adaptor 8 have certain assembly joint intensity, the joint intensity demand when satisfying the installation.
The second adaptor 9 includes a fourth foam panel 91, and the fourth foam panel 91 cooperates with the first foam panel 81 to define the adaptor air duct 50. The switching duct 50 extends from the refrigerating chamber 12 to the freezing chamber 13, and has one end abutting against the switching air inlet 24 and the other end abutting against the refrigerating air inlet 32. In addition, along the direction from refrigerating chamber 12 to freezing chamber 13, the size of fourth cystosepiment 91 is greater than the size of first cystosepiment 81, and the back wall of cold-stored inner bag 121 and the back wall of freezing inner bag 131 all cooperate with fourth cystosepiment 91, has effectively increased switching air duct unit 5 and cold-stored inner bag 121, the cooperation area of switching air duct unit 5 and freezing inner bag 131 to improve the assembly fastness of cold-stored inner bag 121, freezing inner bag 131 and switching air duct unit 5. In this embodiment, the front side of the fourth foam board 91 is provided with a concave pit 911, the rear side of the first foam board 81 is provided with a convex pillar 811 corresponding to the concave pit 911 on the fourth foam board 91, and the convex pillar 811 on the first foam board 81 is installed in the concave pit 911 on the fourth foam board 91, so that the first adaptor 8 is connected with the second adaptor 9, and has a certain assembling strength; the arrangement enables the first adapter piece 8 and the second adapter piece 9 to have certain integrity, and the requirement for connection strength during installation is met. In addition, a protrusion 912 is provided on a rear side surface of the fourth foam sheet 91, and the protrusion 912 is engaged with a rear wall of the casing of the refrigerator 1. Due to the structural arrangement of the switching air duct unit 5, on one hand, the switching air duct unit 5 only comprises the first switching piece 8 and the second switching piece 9, the number of the components is small, and the assembling strength of the interior of the switching air duct unit and the assembly strength of the interior of the switching air duct unit and the freezing inner container 131 or the refrigerating inner container 121 meet the installation requirement, so that the switching air duct unit is convenient to install; on the other hand, after the refrigerator 1 is assembled, the overall connection strength and stability are strong under the interaction of the freezing inner container 131, the refrigerating inner container 121, the switching air duct unit 5 and the refrigerator 1 casing.
When the refrigeration air door 14 is opened, the switching air duct 50 is communicated with the refrigeration air supply duct 120 and the freezing air supply duct 130; the fan 15 is operated, and the cold air passing through the evaporator enters the freezing air supply duct 130 through the freezing air inlet 22; a part of the cold air entering the freezing air supply duct 130 enters the freezing chamber 13 through the freezing air supply outlet 23 to refrigerate the freezing chamber 13; the other part enters the switching air duct 50 through the switching air opening 24, winds to the rear part of the refrigerating inner container 121 through the switching air duct 50, enters the refrigerating air supply duct 120 through the refrigerating air inlet 32, and finally supplies air to the refrigerating chamber 12 layer by layer through the plurality of refrigerating air supply openings 33 arranged in parallel so as to supply air to the refrigerating chamber 12 layer by layer for refrigeration, so that the refrigerating chamber 12 is refrigerated more uniformly, and the whole space of the refrigerating chamber 12 is cooled.
When the refrigerating air door 14 is opened, the refrigerating air supply duct 120 is disconnected from the freezing air supply duct 130; the fan 15 is operated, and the cold air passing through the evaporator enters the freezing air supply duct 130 through the freezing air inlet 22; a part of the cool air introduced into the freezing air supply duct 130 is introduced into the freezing chamber 13 through the freezing air supply outlet 23 to cool the freezing chamber 13.
Referring to fig. 10-17, the arrangement structure of the middle refrigerating damper 14 and the freezing air duct casing 21 of the freezing air duct unit 2 of the refrigerator 1 according to the present invention; the freezing air duct rear cover 29 includes a freezing air duct back plate 25 and a side plate 27 disposed along the freezing air duct back plate 25. Wherein, a containing part 251 for containing the refrigeration air door 14 is formed on one side of the refrigeration air inlet 22 close to the refrigeration chamber 12 on the refrigeration air duct back plate 25, the switching air inlet 24 is arranged on the side plate 27, and the switching air inlet 24 is communicated with the containing part 251; the refrigerating damper 14 is installed in the receiving portion 251 and corresponds to the switching air opening 24 to open or close the switching air opening 24. In this embodiment, as shown in fig. 12, the area of the back plate 25 of the freezing air duct near the air through-connection opening 24 is recessed to a side far away from the cover plate 26 of the freezing air duct to form a recessed portion 252; limiting plates 253 connected with the side plates 27 provided with the air transfer ports 24 are arranged at the upper edges of the concave parts 252; the recessed portion 252, the stopper plate 253, and the side plate 27 together define a receiving portion 251 for receiving the refrigerating damper 14. The arrangement of the air transfer ports 24 on the side plates 27 at the edge of the back plate 25 of the freezing air duct facilitates the connection between the air transfer ports 24 and the air transfer duct 50, so that the air path is smoother. In this embodiment, the rear cover 29 of the freezing air duct is an integrally formed member. The refrigeration air door 14 is arranged in the freezing air supply duct 130, so that a protruding bag structure does not need to be formed in the refrigerating chamber 12 due to the arrangement of the refrigeration air door 14, and the planarization arrangement of the refrigeration air supply duct 120 not only increases the volume ratio, but also improves the aesthetic property; in addition, the invention improves the integrity of the freezing air duct unit 2 by integrally forming the accommodating part 251 for accommodating the cold storage air door 14 on the freezing air duct back plate 25; in addition, the refrigerating air door 14 is installed in the accommodating part 251 through the air door fixing foam piece 4, other fixing parts are not needed, and the installation and the disassembly are simple and convenient.
In this embodiment, the refrigerating damper 14 is installed in the accommodating portion 251 through the damper fixing foam member 4; wherein, the air door fixing foam piece 4 is in interference fit with the containing part 251. Specifically, the damper fixing foam member 4 includes a first foam member 6 and a second foam member 7. A first air opening 60 is formed in the first foam piece 6, a second air opening 70 is formed in the second foam piece 7, and the first foam piece 6 and the second foam piece 7 are matched to define a mounting cavity 40; the first air opening 60 and the second air opening 70 are respectively arranged at two opposite sides of the refrigeration air door 14 and correspond to the refrigeration air door 14 in position. Specifically, the first foam piece 6 and the second foam piece 7 are pressed through interference fit, so that the assembly parts of the first foam piece 6, the second foam piece 7 and the refrigeration air door 14 have certain connection strength.
When installed, the first and second foam pieces 6 and 7 are mounted to the refrigeration damper 14 such that the refrigeration damper 14 is mounted within the mounting cavity 40 defined by the first and second foam pieces 6 and 7. The damper fixing foam member 4 is then installed in the housing portion 251. When the foam material is installed, under the extrusion force of the cavity wall of the containing part 251, the first foam piece 6 and the second foam piece 7 deform; under the mutual pressing action of the cavity wall of the receiving part 251 and the air door fixing foam piece 4, the refrigeration air door 14 is fixed in the receiving part 251, and the mutual assembly between the first foam piece 6 and the second foam piece 7 is tighter. With the above arrangement, the refrigerating air door 14 is directly fixed in the accommodating part 251 through the deformable characteristics of the first foam piece 6 and the second foam piece 7, and other fixing parts are not required to be arranged, so that the installation is convenient and rapid, and the cold air passing through the refrigerating air door 14 is insulated.
Specifically, as shown in fig. 14 to 16, the first foam member 6 includes a first fitting plate 61, a second fitting plate 62, a third fitting plate 63 and a fourth fitting plate 64 which are sequentially arranged around the first tuyere 60; wherein, a first mounting table 65 is formed on one side of the first matching plate 61 close to the first tuyere 60, a second mounting table 66 is formed on one side of the second matching plate 62 far away from the first tuyere 60, and a third mounting table 67 is formed on one side of the third matching plate 63 close to the first tuyere 60. And a fitting gap 68 is formed between the adjacent end portions of the second and third fitting plates 62 and 63.
The second foam member 7 includes a fifth fitting plate 71, a sixth fitting plate 72, a seventh fitting plate 73 and an eighth fitting plate 74 which are sequentially arranged around the second tuyere 70; wherein, a fourth mounting table 75 is formed at a side of the fifth fitting plate 71 away from the second tuyere 70, a fifth mounting table 76 is formed at a side of the sixth fitting plate 72 close to the through-connection tuyere 24, and a sixth mounting table 77 is formed at a side of the seventh fitting plate 73 away from the through-connection tuyere 24. And the end regions of the sixth mating plate 72 adjacent to the seventh mating plate 73 are provided with mating projections 78.
When assembled, first foam element 6 is butted against second foam element 7 to form mounting cavity 40. Specifically, the first engagement plate 61 is mounted on the fourth mounting table 75, while the fifth engagement plate 71 is mounted on the first mounting table 65; the second mating plate 62 is mounted on the fifth mounting block 76 while the sixth mating plate 72 is mounted on the second mounting block 66; the third engagement plate 63 is mounted on the sixth mounting table 77, while the seventh engagement plate 73 is mounted on the third mounting table 67; the eighth mating plate 74 interfaces with the fourth mating plate 64, and the mating projections 78 fit within the mating gaps 68.
The relative positions of the first foam piece 6 and the second foam piece 7 are effectively limited under the matching action of the matching plates of the two foam pieces and the mounting table; the setting more than adopting, can accomplish the assembly with the simple butt joint of first foam spare 6 and second foam spare 7, and make first foam spare 6 and second foam spare 7 have certain joint strength, so that accomplish the cold-stored air door 14 of assembly, first foam spare 6, second foam spare 7 has certain wholeness, avoid the part to scatter, convenient follow-up cold-stored air door 14, first foam spare 6, second foam spare 7 is whole to be installed in the portion 251 of acceping, make first wind gap 60 adjacent with fan 15, second wind gap 70 is corresponding with switching wind gap 24.
It should be noted that the present invention uses the refrigeration damper 14 and the damper driving unit for driving the refrigeration damper 14 to open or close as a damper module, and then the damper module is installed in the installation cavity 40 defined by the first foam piece 6 and the second foam piece 7.
As shown in FIG. 17, the fan 15 has a rotation center O in a projection of the plane of the freezing air inlet 221The impeller diameter of the fan 15 is D. The lower boundary of the housing portion 251 (the stopper plate 253 at the lower edge of the recess portion 252) is provided as a straight line segment; accordingly, the lower boundary of the first and second foam pieces 6 and 7 where the damper fixing foam piece 4 is formed is set to be a straight line segment, which is denoted as L. From right to left, the straight line L is arranged in a downward inclination way; i.e., from the refrigerating chamber 12 toward the freezing chamber 13, the lower boundary of the damper fixing foam member 4 is disposed to be inclined downward.
About the rotational center O of the fan 151As a center of circle, with D1The circle with the diameter D + Delta D is marked as a circle O1Wherein Δ D > 0, and Δ D: d is equal to [0.4, 0.8 ]]. Wherein, the straight line L and the circle O ″, are1Tangent, i.e. the straight line L is a circle O1The tangent line of (a); i.e. the lower boundary of the damper fixing foam 4 is a circle O ″1Is cut off the line. In this embodiment, the centrifugal fan 15 throws out the airflow from the tangential direction of the centrifugal fan 15; the arrangement makes the first air port 60 on the air door fixing foam piece 4 correspond to the air flow thrown out in the tangential direction of the centrifugal fan 15, so that the blocking of the air flow is reduced, the air flow thrown out by the centrifugal fan 15 can enter the first air port 60 in a large amount, the air path can be ensured to be smooth, and the air volume maximization is realized.
In addition, the straight line L and the circle O ″1Is marked as A, wherein A is [20 DEG ], 30 DEG]In this embodiment, a is 25 °. The lower boundary straight line L of the air door fixed foam piece 4 is obliquely arranged, so that the defrosting water of the refrigerating air door 14 after defrosting flows out along the lower boundary straight line L, the refrigerating air door 14 can be dried after defrosting, and the freezing of the refrigerating inner door caused by the fact that the defrosting water is not timely discharged after defrosting is avoided.
The freezing air duct unit 2 includes an insulation board 20 disposed in the freezing air supply duct 130, and the insulation board 20 is disposed on a side of the fan 15 close to the freezing air duct cover plate 26. A freezing air duct decorating plate 28 is arranged on one side of the freezing air duct cover plate 26 far away from the freezing air duct back plate 25.
In conclusion, the switching air duct unit has fewer parts, and the assembly strength of the interior of the switching air duct unit, the assembly strength of the switching air duct unit and the freezing inner container or the assembly strength of the refrigeration inner container meet the installation requirement, so that the switching air duct unit is convenient to install; on the other hand, after the refrigerator is integrally assembled, the stability of the integral connection strength is strong under the interaction of the freezing inner container, the refrigerating inner container, the switching air duct unit and the refrigerator shell.
In addition, the refrigerating air supply duct is provided with a plurality of refrigerating air supply outlets which are arranged in parallel, so that cold air from the refrigerating air supply duct enters the refrigerating chamber layer by layer, the refrigerating air supply duct is beneficial to more uniform refrigeration of the refrigerating chamber, and the full-space cooling of the refrigerating chamber is realized.
Moreover, the freezing air duct unit is positioned at the rear side of the freezing chamber, and based on the specific design structure of the freezing air duct unit, a protruding bag structure is not required to be formed in the refrigerating chamber due to the arrangement of a refrigerating air door, and the planarization arrangement of the refrigerating air supply air duct not only increases the volume ratio, but also improves the aesthetic property; only a refrigerating air supply duct communicated with the switching duct for conveying cold air needs to be arranged on one side of the refrigerating chamber; the refrigerating chamber is simple in internal structure due to the arrangement, and the storage space of the refrigerating chamber can be increased. In addition, the refrigeration air duct unit integrally forms the accommodating part for accommodating the refrigeration air door on the back plate of the refrigeration air duct, so that the integrity of the refrigeration air duct unit is improved; in addition, the refrigeration air door is installed in the accommodating part through the air door fixing foam piece, other fixing parts are not needed, and the refrigeration air door is simple and convenient to install and disassemble.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims (10)

1. The refrigerator is characterized in that: it includes:
a refrigerating chamber, a rear part of which is provided with a refrigerating air supply duct;
a freezing chamber surrounded by a freezing inner container;
the freezing air duct unit is arranged at the rear part of the freezing chamber; the freezing air channel unit comprises a freezing air channel rear cover and a freezing air channel cover plate, and the freezing air channel cover plate and the freezing air channel rear cover are oppositely arranged to define a freezing air supply air channel; the rear cover of the freezing air duct is integrally formed, and an accommodating part is formed on the rear cover;
the switching air duct unit is internally provided with a switching air duct which is communicated with the freezing air supply duct and the refrigerating air supply duct;
the refrigerating air door assembly is arranged in the accommodating part in the freezing air supply duct; the refrigeration damper assembly includes:
a damper fixing foam member installed in the accommodating portion; an installation cavity is formed in the air door fixing foam piece;
the refrigerating air door is arranged in the installation cavity of the air door fixed foam piece;
when the refrigerating air door is opened, the freezing air supply duct is communicated with the switching duct, and part of cold air in the freezing air supply duct enters the refrigerating air supply duct at the rear side of the refrigerating chamber through the switching duct and then enters the refrigerating chamber; when the cold storage air door is closed, the freezing air supply duct is disconnected with the switching duct.
2. The refrigerator according to claim 1, wherein: the rear cover of the freezing air duct comprises a freezing air duct back plate and a side plate arranged at the edge of the freezing air duct back plate, and the side plate is provided with a switching air port corresponding to the switching air duct.
3. The refrigerator according to claim 2, wherein:
the area of the freezing air duct back plate close to the air switching port is sunken to one side far away from the freezing air duct cover plate to form a sunken part;
limiting plates connected with the side plates provided with the switching air ports are arranged at the upper edge and the lower edge of the concave part;
the concave part, the limiting plate and the side plate jointly limit the accommodating part for accommodating the refrigeration air door.
4. The refrigerator according to any one of claims 1 to 3, wherein: a fan is arranged in the freezing air supply duct, and a freezing air inlet corresponding to the fan is arranged on the freezing air supply duct;
in the projection of the plane of the freezing air inlet, the rotation center O of the fan1The diameter of an impeller of the fan is D; the lower boundary of the air door fixing foam piece is set as a straight line segment, and the straight line where the lower boundary is located is marked as a straight line L;
the lower boundary of the air door fixing foam piece is arranged downwards in the direction from the refrigerating chamber to the freezing chamber.
5. The refrigerator of claim 4, wherein: about the fan rotation center O1As a center of circle, with D1The circle with the diameter D + Delta D is marked as a circle O1Wherein Δ D > 0; straight line L and circle O1Tangent.
6. The refrigerator according to claim 5, wherein: straight line L and circle O1Is marked as A, wherein A is [20 DEG ], 30 DEG]。
7. The refrigerator according to claim 6, wherein: and A is 25 degrees.
8. The refrigerator according to any one of claims 1 to 3, wherein: the air door fixing foam piece comprises a first foam piece and a second foam piece, wherein a first air opening is formed in the first foam piece, and a second air opening is formed in the second foam piece; the first foam piece and the second foam piece are matched to define the mounting cavity; the first air opening and the second air opening are respectively arranged at two opposite sides of the refrigerating air door.
9. The refrigerator according to claim 8, wherein: the first foam piece comprises a first matching plate, a second matching plate, a third matching plate and a fourth matching plate which are sequentially arranged around the first air opening; a first mounting table is formed on one side, close to the first air opening, of the first matching plate, a second mounting table is formed on one side, far away from the first air opening, of the second matching plate, and a third mounting table is formed on one side, close to the first air opening, of the third matching plate;
the second foam piece comprises a fifth matching plate, a sixth matching plate, a seventh matching plate and an eighth matching plate which are sequentially arranged around the second air opening;
the fifth matching plate is installed on the first installation platform, and a fourth installation platform matched with the first matching plate is formed on one side, away from the second air opening, of the fifth matching plate;
the sixth matching plate is arranged on the second mounting table, and a fifth mounting table matched with the second matching plate is formed on one side, close to the air switching port, of the sixth matching plate;
the seventh matching plate is installed on the third installation platform, and a sixth installation platform matched with the fourth matching plate is formed on one side, far away from the air transfer port, of the seventh matching plate.
10. The refrigerator according to claim 9, wherein: a fit clearance is formed between the adjacent end parts of the second fit plate and the third fit plate; and the adjacent end part area of the sixth matching plate and the seventh matching plate is provided with a matching lug which is arranged in the matching gap.
CN202110003126.4A 2021-01-04 2021-01-04 Refrigerator with a refrigerator body Active CN113915851B (en)

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CN202110003126.4A CN113915851B (en) 2021-01-04 2021-01-04 Refrigerator with a refrigerator body

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Application Number Priority Date Filing Date Title
CN202110003126.4A CN113915851B (en) 2021-01-04 2021-01-04 Refrigerator with a refrigerator body

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CN113915851B CN113915851B (en) 2023-07-21

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108444175A (en) * 2018-03-09 2018-08-24 青岛海尔股份有限公司 Side by side combination refrigerator
CN109696010A (en) * 2018-02-09 2019-04-30 青岛海尔股份有限公司 Refrigeration air-supply assembly and side by side combination refrigerator
CN109696009A (en) * 2018-02-09 2019-04-30 青岛海尔股份有限公司 Refrigeration air-supply assembly and refrigerator
CN109696001A (en) * 2018-02-09 2019-04-30 青岛海尔股份有限公司 Refrigeration air-supply assembly

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109696010A (en) * 2018-02-09 2019-04-30 青岛海尔股份有限公司 Refrigeration air-supply assembly and side by side combination refrigerator
CN109696009A (en) * 2018-02-09 2019-04-30 青岛海尔股份有限公司 Refrigeration air-supply assembly and refrigerator
CN109696001A (en) * 2018-02-09 2019-04-30 青岛海尔股份有限公司 Refrigeration air-supply assembly
CN108444175A (en) * 2018-03-09 2018-08-24 青岛海尔股份有限公司 Side by side combination refrigerator

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Address after: 266736 No. 8 Haixin Avenue, Nancun Town, Pingdu City, Qingdao City, Shandong Province

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