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CN107726708B - Refrigerator and air duct thereof - Google Patents

Refrigerator and air duct thereof Download PDF

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Publication number
CN107726708B
CN107726708B CN201711166057.9A CN201711166057A CN107726708B CN 107726708 B CN107726708 B CN 107726708B CN 201711166057 A CN201711166057 A CN 201711166057A CN 107726708 B CN107726708 B CN 107726708B
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CN
China
Prior art keywords
air duct
air
channel
refrigerator
refrigerator according
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CN201711166057.9A
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Chinese (zh)
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CN107726708A (en
Inventor
黄勇
王莹
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Hefei Hualing Co Ltd
Midea Group Co Ltd
Hefei Midea Refrigerator Co Ltd
Original Assignee
Hefei Hualing Co Ltd
Midea Group Co Ltd
Hefei Midea Refrigerator Co Ltd
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Priority to CN201711166057.9A priority Critical patent/CN107726708B/en
Publication of CN107726708A publication Critical patent/CN107726708A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection

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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 discloses a refrigerator and an air duct thereof, wherein the air duct comprises: the refrigerator comprises a plurality of air channel pieces, wherein at least one channel is formed in each air channel piece, at least one channel on at least one air channel piece is an airflow channel for airflow circulation, an air opening communicated between the airflow channel and a compartment of the refrigerator is formed in each air channel piece, each air channel piece is detachably connected with the air channel piece on the downstream, an inlet and an outlet of each channel are formed on the side wall of the corresponding air channel piece, and an outlet of at least one channel on each air channel piece is connected with an inlet of at least one channel on the air channel piece on the downstream. According to the air duct disclosed by the invention, different numbers of air duct pieces can be selected to be spliced along with the size change of the refrigerator, so that the die sinking cost is saved, the development period is shortened, and the production efficiency is improved.

Description

Refrigerator and air duct thereof
Technical Field
The invention relates to the field of refrigerator equipment, in particular to a refrigerator and an air duct thereof.
Background
The air duct of the refrigerator in the related art is of an integrated structure, the size of the air duct is fixed and can not be changed, more specifically, the air duct in the related art is usually processed in a mold injection molding mode, when the refrigerator is different, the size of the air duct needs to be changed along with the air duct, so that the injection mold needs to be opened again, and the production cost is greatly increased.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides an air duct for a refrigerator, which is wide in application range.
The invention also provides a refrigerator with the air duct.
The air duct for a refrigerator according to a first aspect of the present invention includes: the refrigerator comprises a plurality of air channel pieces, wherein at least one channel is formed in each air channel piece, at least one channel on at least one air channel piece is an airflow channel for airflow circulation, an air opening communicated between the airflow channel and a compartment of the refrigerator is formed in each air channel piece, each air channel piece is detachably connected with the air channel piece on the downstream, an inlet and an outlet of each channel are formed on the side wall of the corresponding air channel piece, and an outlet of at least one channel on each air channel piece is connected with an inlet of at least one channel on the air channel piece on the downstream.
According to the air duct for the refrigerator, the air duct pieces with different numbers can be selected to be spliced along with the size change of the refrigerator, so that the mold opening cost is saved, the development period is shortened, and the production efficiency is improved.
In some embodiments, the outlet of at least one of said channels on at least one of said air tunnels is connected to the inlet of a plurality of said channels on said air tunnel downstream thereof.
In some embodiments, the outlets of a plurality of said channels of at least one of said air ducting parts are each connected to the inlet of one of said channels of said air ducting part downstream thereof.
In some embodiments, at least one of the channels on at least one of the air tunnels extends along a curve.
In some embodiments, at least one of the channels on at least one of the air tunnels extends in a straight line.
In some embodiments, at least a portion of a surface of a sidewall of each of the air tunnels is configured as a plane on which an inlet and an outlet of each of the channels are formed.
In some embodiments, each of the air channel members has at least one insertion portion on a side wall thereof, and two air channel members connected to each other are inserted and spliced through the insertion portion.
In some embodiments, at least one set of two plug-fit parts which are connected in a plug-in mode are respectively a groove and a boss.
In some embodiments, at least one set of two of the mating portions is formed with the inlet and the outlet.
In some embodiments, the two connected air duct pieces are detachably connected by a snap structure.
In some embodiments, each of the air duct members is configured in a rectangular parallelepiped shape having the same specification.
In some embodiments, the plurality of air duct members are connected in series in a straight line direction, and the number, structure, and distribution positions of the passages on each air duct member are the same.
In some embodiments, at least one of the channels on at least one of the air tunnels is a routing channel for routing.
In some embodiments, an electrical device prepackage box is provided on the air chute.
In some embodiments, a damper is provided at the tuyere.
A refrigerator according to a second aspect of the present invention comprises a duct for a refrigerator according to the first aspect of the present invention.
According to the refrigerator, the air duct for the refrigerator in the first aspect is arranged, so that the production efficiency of the refrigerator is improved, the production cost is reduced, and the production period is shortened.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a perspective view of a duct according to one embodiment of the present invention;
FIG. 2 is a perspective view of the second air duct member shown in FIG. 1;
FIG. 3 is another perspective view of the second air duct member shown in FIG. 1;
FIG. 4 is a perspective view of the third air duct member shown in FIG. 1;
FIG. 5 is another perspective view of the third air duct member shown in FIG. 1;
FIG. 6 is a perspective view of a duct according to another embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize the applicability of other processes and/or the use of other materials.
Referring to fig. 1 to 6, an air duct 100 for a refrigerator according to an embodiment of the present invention will be described.
It is understood that the refrigerator has at least one compartment for storing food, the duct 100 is used to supply cool air into the compartment to keep the compartment at a low temperature, and the air in the compartment may flow back into the duct 100. In addition, other structures of the refrigerator according to the embodiment of the present invention, such as a compressor, etc., and operations thereof are known to those skilled in the art and will not be described herein.
As shown in fig. 1, the air duct 100 according to the embodiment of the present invention includes a plurality of air duct members 1, each air duct member 1 has at least one channel 10 formed therein, and an inlet 101 and an outlet 102 of each channel 10 are formed on a side wall 11 of the corresponding air duct member 1, that is, an object (e.g., cool air or electric wires, etc., described below) may enter the channel 10 through the inlet 101 and may pass out of the channel 10 through the outlet 102. Specifically, the air duct 100 is provided at the rear side of the compartment, the air duct member 1 includes a front surface 12 facing the compartment and a rear surface facing away from the compartment, and the side wall 11 is provided between the front surface 12 and the rear surface to define the air duct member 1 together with the front surface 12 and the rear surface. For example, in the example shown in fig. 2 and 3, when the air duct member 1 has a rectangular parallelepiped shape, the side wall 11 of the air duct member 1 includes a left side wall 11A, an upper side wall 11C, a right side wall 11B, and a lower side wall 11D that are connected in series, and the inlet 101 and the outlet 102 of the duct 10 may be formed on one of the left side wall 11A, the upper side wall 11C, the right side wall 11B, and the lower side wall 11D, respectively.
Specifically, each air duct member 1 is detachably connected to the air duct member 1 downstream thereof, that is, the two connected air duct members 1 can be assembled together or separated, so that the air duct members 1 in a required number can be assembled according to the specific structure of the refrigerator, for example, when the refrigerator is large or the compartments are large, the air ducts 100 can be assembled by using a large number of air duct members 1, and when the refrigerator is small or the compartments are small, the air ducts 100 can be assembled by using a small number of air duct members 1. Therefore, the air ducts 100 with different sizes can be obtained only by selecting the proper number of the air duct pieces 1 for assembling, so that the die does not need to be re-opened, the production cost is greatly reduced, the production period is shortened, and the production efficiency is improved.
Wherein the outlet 102 of at least one channel 10 of each air duct member 1 is connected to the inlet 101 of at least one channel 10 of the air duct member 1 downstream thereof. Thus, the two air duct members 1 connected upstream and downstream may constitute at least one communication passage, so that an object (e.g., cool air or electric wires, etc., described later) may sequentially pass through the two passages 10 communicating with each other on the two air duct members 1. Here, it is understood that "the upstream air duct member 1" refers to the air duct member 1 through which the object passes first, and "the downstream air duct member 1" refers to the air duct member 1 through which the object passes later.
Thus, it can be understood that one air duct member 1 may constitute both the downstream air duct member 1 of the other air duct member 1 and the upstream air duct member 1 of the other air duct member 1, depending on the direction of passage of the object in each passage 10. For example, in the specific example shown in fig. 1-5, each of the second air duct member 1B and the third air duct member 1C has two channels 10 arranged up and down, and each of the upper channels 10 has an inlet 101 on the left and an outlet 102 on the right, and each of the lower channels 10 has an inlet 101 on the right and an outlet 102 on the left, so that when an object sequentially passes through the channels 10 above the second air duct member 1B and the channels 10 above the third air duct member 1C from left to right, the third air duct member 1C is the downstream air duct member 1 of the second air duct member 1B, and meanwhile, if an object sequentially passes through the channels 10 below the third air duct member 1C and the channels 10 below the second air duct member 1B from right to left, the third air duct member 1C simultaneously constitutes the upstream air duct member 1 of the second air duct member 1B.
Specifically, at least one channel 10 of at least one air duct member 1 is an air flow channel for air flow, and the air duct 100 (i.e. the front surface 12 of at least one air duct member 1) has at least one air inlet 103 communicating between the air flow channel and the compartment of the refrigerator, so that the air inlet 103 can be used as an air inlet for supplying air into the compartment of the refrigerator through the air flow channel and a return air inlet for exhausting air from the compartment of the refrigerator to the air flow channel. Accordingly, the duct 100 may function to supply or output cool air to or from the compartment so that the compartment may maintain a low temperature.
Preferably, a damper (not shown) is provided at the tuyere 103. Therefore, the ventilation quantity of the corresponding compartment can be controlled by controlling the air door so as to correspondingly adjust the temperature of the corresponding compartment. In addition, can also set up the sensor in the compartment to can be through the detection information of sensor feedback, make the refrigerator carry out intelligent control to the air door, in order to realize the intelligent regulation to corresponding compartment, of course, the user also can control the air door according to the information of sensor feedback, in order to carry out artifical the regulation to the temperature of corresponding compartment. Here, it is understood that the concept of a damper is well known to those skilled in the art and will not be described in detail herein.
In summary, according to the air duct 100 for the refrigerator of the embodiment of the present invention, when the air ducts 100 actually required by the refrigerator are different in size, different numbers of air duct pieces 1 can be selected for assembly, and according to the opening directions of the inlet 101 and the outlet 102, the air duct pieces 1 can be assembled in different directions, for example, in a horizontal direction and/or a vertical direction (as shown in fig. 6), so that the size of the air duct 100 can be changed, and thus, under the condition that the size of the refrigerator body of the assembled refrigerator is adjustable, the size of the air duct 100 meets the requirement of being changeable, so that the air duct 100 has stronger adaptability, and the production cost is greatly reduced.
In short, according to the air duct 100 for the refrigerator of the embodiment of the present invention, the size of the box body of the following refrigerator can be changed, so that the mold opening cost is saved, the development period is shortened, and the production efficiency is improved.
In some embodiments of the present invention, at least one of the channels 10 on at least one of the air duct members 1 is a wiring channel for wiring, that is, the channel 10 can be used as not only an air flow channel but also a wiring channel (i.e., the channel 10 through which the power supply line passes), thereby simplifying the wiring manner. Further, it is understood that when a damper is provided in the tuyere 103, an electric wire of the damper may be arranged in the air flow passage.
In some embodiments of the present invention, the air duct 100 is provided with an electrical component prepackage box, that is, the air duct 100 may be provided with other electrical component prepackages boxes, for example, the electrical component prepackage box may be provided on the side wall 11 of the air duct component 1, thereby simplifying the wiring manner and the layout of components.
In short, according to the air duct 100 of the embodiment of the present invention, other electrical device pre-installed boxes, air doors, and the like can be installed on the air duct 100, and the channel 10 can be used as a wiring channel, so that the problem that a large number of wires need to be pre-embedded in a refrigerator is solved, and convenience, simplicity, and reliability of the wires are improved.
In some embodiments of the present invention, the outlet 102 of at least one channel 10 of at least one air duct member 1 is connected to the inlets 101 of a plurality of channels 10 of the air duct member 1 downstream thereof, such as two air ducts 100 in the middle of the fourth air duct member 1D 'after passing through the channel 10 in the middle of the third air duct member 1C' from left to right in the specific example shown in fig. 6. It is thus shown that the channels 10 of two adjacent air duct pieces 1 can be divided, so that the air duct 100 has a greater applicability to compartments arranged in different forms.
In some embodiments of the present invention, the outlets 102 of the plurality of channels 10 on at least one air duct member 1 are all connected to the inlet 101 of one channel 10 on the air duct member 1 downstream thereof, such as in the specific example shown in fig. 6, when an object passes through two channels 10 in the middle of the fourth air duct member 1D ', the object can enter the air duct 100 in the middle of the third air duct member 1C'. It is thus shown that the ducts 10 of two adjacent duct pieces 1 can be merged, so that the duct 100 has a greater applicability to compartments arranged in different forms.
Preferably, the outlet 102 of the channel 10 on each air duct member 1 can be opposite to the inlet 101 on the air duct member 1 downstream thereof, and the inlet 101 of the channel 10 on each air duct member 1 can be opposite to the outlet 102 on the air duct member 1 upstream thereof, so that it is ensured that each air duct member 1 does not have any redundant channel 10.
In some embodiments of the present invention, as shown in fig. 6, at least one channel 10 of at least one air duct member 1 extends along a curve. For example, the second air duct member 1B 'and the fourth air duct member 1D' shown in fig. 6 have passages 10 extending in a curved direction, respectively. Thus, the duct 100 is more adaptable and may have greater applicability to compartments arranged in different forms.
In some embodiments of the invention, as shown in fig. 6, the at least one channel 10 of the at least one air duct member 1 extends in a straight line. For example, the first air duct member 1A ', the second air duct member 1B', the third air duct member 1C ', and the fourth air duct member 1D' shown in fig. 6 each have a passage 10 extending in a straight line direction. Thus, the duct 100 is more adaptable and may have greater applicability to compartments arranged in different forms.
In some embodiments of the present invention, at least a portion of the surface of the side wall 11 of each air duct member 1 is configured as a plane, and the inlet 101 and the outlet 102 of each passage 10 are formed on the plane. Thus, after splicing the two air duct members 1, the channels 10 of the two air duct members 1 can realize seamless connection between the outlet 102 and the inlet 101, so that when the air flow enters the channel 10 of the downstream air duct member 1 from the channel 10 of the upstream air duct member 1, no leakage problem occurs.
In some embodiments of the present invention, each air channel member 1 has at least one insertion portion 13 (for example, insertion of the boss 131 and the groove 132, or insertion of the positioning post and the positioning hole, etc.) on the side wall 11, and two air channel members 1 connected with each other are inserted and connected through the insertion portion 13. From this, two wind channel spare 1 can realize quick assembly disassembly, and convenient processing. Of course, the present invention is not limited to this, and the two air duct pieces 1 connected to each other may be quickly spliced by other means, for example, they may be detachably connected by a snap structure (for example, a hook and a slot). From this, can realize two air duct spare 1's quick assembly disassembly equally, and convenient processing.
For example, in the specific example shown in fig. 1 to 5, the right side wall 11B of each of the first air duct member 1A, the second air duct member 1B, and the third air duct member 1C has three grooves 132, and the left side wall 11A of each of the second air duct member 1B, the third air duct member 1C, and the fourth air duct member 1D has three bosses 131, so that the first air duct member 1A and the second air duct member 1B can be connected by the three bosses 131 and the three grooves 132 in an insertion-fit manner, the second air duct member 1B and the third air duct member 1C can be connected by the three bosses 131 and the three grooves 132 in an insertion-fit manner, and the third air duct member 1C and the fourth air duct member 1D can be connected by the three bosses 131 and the three grooves 132 in an insertion-fit manner.
In some embodiments of the present invention, at least one set of two mating portions 13 are formed with an inlet 101 and an outlet 102, respectively. For example, in the specific example shown in fig. 2 and 3, the right side wall 11B of the second air duct member 1B has three grooves 132, wherein the upper groove 132 has the outlet 102 of the passage 10 formed thereon, the lower groove 132 has the inlet 101 of the passage 10 formed thereon, and the left side wall 11A of the third air duct member 1C has three bosses 131, wherein the upper boss 131 has the inlet 101 of the passage 10 formed thereon, and the lower boss 131 has the outlet 102 of the passage 10 formed thereon. Therefore, no matter whether the side wall 11 of the air duct member 1 has a planar surface part or not, the seamless connection of the passages 10 of two adjacent air duct members 1 can be realized, so that when the airflow enters the passages 10 of the downstream air duct member 1 from the passages 10 of the upstream air duct member 1, the problem of leakage does not occur.
In some embodiments of the present invention, as shown in fig. 1, each air duct member 1 is configured in a rectangular parallelepiped shape having the same specification (i.e., outer size and shape). Therefore, the production and splicing assembly are convenient. For example, in the specific example shown in fig. 1, the air duct 100 includes four air ducts 100, namely, a first air duct member 1A, a second air duct member 1B, a third air duct member 1C, and a fourth air duct member 1D, and the four air ducts 100 have the same shape and size, so that the processing and the assembly are convenient.
In some embodiments of the present invention, as shown in fig. 1, a plurality of air duct members 1 are connected in series in a straight line direction, and the number, structure, and distribution positions of the passages 10 on each air duct member 1 are the same. For example, in the specific example shown in fig. 1, the air duct 100 includes four air duct members 1, namely, a first air duct member 1A, a second air duct member 1B, a third air duct member 1C, and a fourth air duct member 1D, and the four air duct members 1 are sequentially spliced in a left-to-right direction, wherein each of the upper and lower air duct members 1 has one passage 10 of the same structure. Therefore, the air duct pieces 1 can be very conveniently assembled, and the channels 10 on the assembled air duct pieces 1 can be accurately and reliably communicated.
Of course, the present invention is not limited thereto, as shown in fig. 6, the specifications of each air duct member 1 'in the air duct 100' may also be different, and the number, structure and distribution position of the channels 10 on each air duct member 1 'may be different, and only the butt joints (such as the inlet 101 and the outlet 102) of the channels 10 on two adjacent air duct members 1' may be butted one by one to ensure smooth air flow and no leakage.
In summary, the air duct 100 according to the embodiment of the present invention is obtained by splicing a plurality of air duct members 1, so that the size of the air duct members 1 can be adjusted along with the size change of the refrigerator body when the size of the refrigerator body is adjusted, and the convenience in installing electrical component circuits when the size of the refrigerator body is changed is improved by designing the wiring channel on the air duct 100.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (16)

1. An air duct for a refrigerator, comprising: a plurality of air channel pieces, at least one channel is formed in each air channel piece, at least one channel on at least one air channel piece is an airflow channel for airflow circulation, an air opening communicated between the airflow channel and the compartment of the refrigerator is arranged on each air channel,
wherein each of the air duct members is detachably connected to the air duct member downstream thereof, the inlet and the outlet of each of the passages are formed in the side wall of the corresponding air duct member, and the outlet of at least one of the passages of each of the air duct members is connected to the inlet of at least one of the passages of the air duct member downstream thereof,
the air channel pieces comprise a second air channel piece and a third air channel piece, the second air channel piece and the third air channel piece are respectively provided with two channels which are arranged up and down, the inlet of each channel positioned above is positioned on the left, the outlet of each channel is positioned on the right, and the inlet of each channel positioned below is positioned on the right, and the outlet of each channel is positioned on the left.
2. The air duct for a refrigerator according to claim 1, wherein an outlet of at least one of the passages of at least one of the air duct members is connected to inlets of a plurality of the passages of the air duct member downstream thereof.
3. The air duct for a refrigerator according to claim 1, wherein the outlets of a plurality of said passages of at least one of said air duct members are connected to the inlet of one of said passages of said air duct member downstream thereof.
4. The air duct for a refrigerator according to claim 1, wherein at least one of the passages on at least one of the air duct pieces extends along a curved line.
5. The air duct for a refrigerator according to claim 1, wherein at least one of the passages on at least one of the air duct members extends in a straight line.
6. The air duct for a refrigerator according to claim 1, wherein at least a part of a surface of a side wall of each of the air duct pieces is configured as a plane, and an inlet and an outlet of each of the passages are formed on the plane.
7. The air duct for the refrigerator according to claim 1, wherein each of the air duct members has at least one fitting portion on a side wall thereof, and the two air duct members connected to each other are insertedly connected to each other by the fitting portions.
8. The air duct for the refrigerator according to claim 7, wherein at least one set of the two insertion fitting portions are a groove and a boss, respectively.
9. The air duct for a refrigerator according to claim 7, wherein the inlet and the outlet are formed on at least one set of the insertion-fit portions.
10. The air duct for a refrigerator according to claim 1, wherein the two air duct pieces connected are detachably connected by a snap structure.
11. The air duct for a refrigerator according to any one of claims 1 to 10, wherein each of the air duct members is configured in a rectangular parallelepiped shape having the same specification.
12. The air duct for a refrigerator according to claim 11, wherein the plurality of air duct members are connected in series in a straight direction, and the number, structure, and distribution positions of the passages on each air duct member are the same.
13. The air duct for a refrigerator according to claim 1, wherein at least one of the channels on at least one of the air duct pieces is a wiring channel for wiring.
14. The air duct for a refrigerator according to claim 1, wherein an electric device prepackage box is provided on the air duct.
15. The air duct for a refrigerator according to claim 1, wherein a damper is provided at the air opening.
16. A refrigerator characterized by comprising the air duct for a refrigerator according to any one of claims 1 to 15.
CN201711166057.9A 2017-11-21 2017-11-21 Refrigerator and air duct thereof Active CN107726708B (en)

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CN107726708B true CN107726708B (en) 2021-03-19

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CN111457638A (en) * 2019-01-22 2020-07-28 青岛海尔特种电冰柜有限公司 Refrigerator with a door
CN110057155B (en) * 2019-05-10 2024-04-19 青岛海尔制冷电器有限公司 Modularized universal air supply device for refrigerator, refrigerator and manufacturing method of refrigerator
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