CN219624312U

CN219624312U - Refrigerator and refrigerator air duct assembly thereof

Info

Publication number: CN219624312U
Application number: CN202320137467.5U
Authority: CN
Inventors: 宿孝庆; 张树栋
Original assignee: Hisense Refrigerator Co Ltd
Current assignee: Hisense Refrigerator Co Ltd
Priority date: 2023-01-17
Filing date: 2023-01-17
Publication date: 2023-09-01
Anticipated expiration: 2033-01-17

Abstract

The utility model provides a refrigerator and a refrigerator air duct assembly thereof. The refrigerator air duct component comprises a freezing upper air duct component, a freezing lower air duct component, a fan and a refrigerating air duct component. The freezing upper air duct component comprises a first body, a plurality of first air outlets are arranged on the first body, and the opening directions of the first air outlets are respectively directed towards the left and right directions and the upper directions and are communicated with the freezing chamber. The lower freezing air duct component is positioned below the upper freezing air duct component and is communicated with the upper freezing air duct component. The fan is positioned in the freezing lower air duct component. The refrigerating air duct component comprises a second body, a plurality of second air outlets are formed in the second body, and the opening directions of the second air outlets are respectively towards one side far away from the refrigerating upper air duct component in the left-right direction and towards the upper-lower direction and are communicated with the refrigerating chamber. The refrigerator air duct component changes the air outlet mode of the cold storage air duct component and the freezing upper air duct component from front air outlet to lateral air outlet, and can prevent the food from being air-dried due to direct blowing of cold air.

Description

Refrigerator and refrigerator air duct assembly thereof

Technical Field

The utility model relates to the field of household appliances, in particular to a refrigerator and an air duct assembly of the refrigerator.

Background

In the prior art, an air duct air outlet of a single-system side-by-side refrigerator is generally positioned on the front side of an air duct, cold air can be directly blown to the surface of food, so that the food is easy to air dry, the fresh-keeping effect of the refrigerator is not facilitated, and if the air is directly blown to the food with high water content in a refrigerating chamber, the food can be frozen in a zero crossing manner.

Disclosure of Invention

The utility model aims to provide a refrigerator with a refrigerating and freezing air duct and a side air outlet mode and an air duct assembly of the refrigerator.

In order to solve the technical problems, the utility model adopts the following technical scheme:

according to one aspect of the present utility model, there is provided a refrigerator duct assembly for supplying air to a refrigerating chamber and a freezing chamber of a refrigerator, the refrigerating chamber and the freezing chamber being spaced apart in a left-right direction, the refrigerator duct assembly comprising:

the refrigerating upper air duct component comprises a first body, wherein a plurality of first air outlets are formed in the first body, the opening directions of the first air outlets face to the left and right directions and the upper direction respectively, and the first air outlets are communicated with the refrigerating chamber;

a freezing lower air duct component positioned below the freezing upper air duct component and communicated with the freezing upper air duct component;

a fan located in the lower freezing air duct member to suck cool air into the lower freezing air duct member;

the refrigerating air duct component comprises a second body, a plurality of second air outlets are formed in the second body, the opening directions of the second air outlets are respectively towards one side, far away from the refrigerating upper air duct component, in the left-right direction and towards the up-down direction, and the second air outlets are communicated with the refrigerating chamber.

In some embodiments, the first body includes first front shroud and first wind channel foam, first front shroud vertical extension, first wind channel foam laminate in the rear side of first front shroud, a plurality of first air outlet is located respectively the left and right sides and the top of first wind channel foam, first wind channel foam middle part fretwork, first wind channel foam first front shroud and form first wind channel between the case courage of freezer, a plurality of first air outlet and first wind channel intercommunication.

In some embodiments, the second body includes a second front cover plate and a second air duct foam, the second air duct foam is attached to the rear side of the second front cover plate, a plurality of second air outlets are located on the upper side, the lower side and the right side of the second air duct foam, the middle of the second air duct foam is hollowed out, a second air duct is formed among the second air duct foam, the second front cover plate and the container of the refrigerating chamber, and a plurality of second air outlets are communicated with the second air duct;

and the left side of the second air duct foam is provided with an air inlet which is communicated with the freezing lower air duct component.

In some embodiments, the lower freezing air duct component comprises a third body, the third body comprises a third front cover plate and a rear cover plate, a plurality of third air outlets are arranged on the third front cover plate, and the first air outlets are communicated with the third air outlets positioned at the top of the third front cover plate; the rear cover plate is positioned at the rear side of the third front cover plate and is connected to the upper part of the third front cover plate; a third air duct is formed by enclosing the third body and the container of the freezing chamber;

the fan is installed on the back cover plate, a through hole is formed in the back cover plate and located behind the fan, and the through hole is communicated with the third air duct.

In some embodiments, a flow guiding cavity is arranged on the rear cover plate, the flow guiding cavity is arranged above the fan, and the flow guiding cavity is respectively communicated with the freezing lower air duct component and the refrigerating air duct component.

In some embodiments, an air supply pipe is connected between the refrigerating air duct component and the freezing lower air duct component, the air supply pipe is located at the rear of the refrigerating chamber and the liner of the freezing chamber, one end of the air supply pipe is communicated with the flow guiding cavity, and the other end of the air supply pipe is communicated with the inside of the second body.

In some embodiments, a damper is disposed in the diversion cavity and is used for controlling the opening and closing of the diversion cavity.

In some embodiments, a first air return cavity is arranged at the bottom of the front side of the third front cover plate, the first air return cavity protrudes forwards out of the third front cover plate, the first air return cavity is hollow, and the first air return cavity is simultaneously communicated with the freezing chamber and the third air duct, so that air flow in the freezing chamber flows back into the third air duct through the first air return cavity;

the refrigerator comprises a refrigerating chamber, a refrigerating chamber and a third air duct, wherein a first air return cavity is arranged between the refrigerator liner of the refrigerating chamber and the refrigerator liner of the refrigerating chamber, the inside of the first air return cavity is hollow, and the first air return cavity is communicated with the refrigerating chamber and the inside of the third air duct at the same time, so that air flow in the refrigerating chamber flows back to the third air duct through the first air return cavity.

In some embodiments, the rear side of the third front cover plate is provided with heat insulation cotton in a laminating mode, and the heat insulation cotton is used for isolating water vapor;

the back cover plate below is equipped with the evaporimeter, the evaporimeter laminating in thermal-insulated cotton rear side, just should the evaporimeter is located in the third wind channel, the evaporimeter is used for carrying out heat exchange and exports cold vapour.

The utility model also provides a refrigerator, which comprises a refrigerating chamber container, a freezing chamber container and the refrigerator air duct assembly, wherein the refrigerating chamber container and the freezing chamber container are arranged at intervals along the left-right direction.

According to the technical scheme, the utility model has at least the following advantages and positive effects:

Drawings

Fig. 1 is a schematic view of a refrigerator in the present embodiment;

fig. 2 is a schematic structural view of a refrigerator duct assembly according to the present embodiment;

fig. 3 is a rear view of the air duct assembly of the refrigerator according to the present embodiment

Fig. 4 is a schematic structural view of the refrigerating upper duct member in the present embodiment;

fig. 5 is a schematic view of the structure of the cooling air duct member in the present embodiment;

fig. 6 is a schematic view of the structure of the lower air duct member in the present embodiment;

fig. 7 is a schematic rear view of the refrigerator in the present embodiment.

The reference numerals are explained as follows:

100. a refrigerator; 110. a housing; 120. a refrigerating chamber liner; 130. a freezing chamber box liner;

1. freezing the upper air duct component; 11. a first body; 111. a first air outlet; 112. a first front cover plate; 113. a first air duct foam;

2. a refrigerating duct part; 21. a second body; 211. a second air outlet; 212. a second front cover plate; 213. a second air duct foam; 214. an air inlet;

3. freezing the lower air duct component; 311. a third front cover plate; 312. a third air outlet; 313. a back cover plate; 3131. a through hole; 3132. a fixing part; 32. thermal insulation cotton; 321. a fourth air outlet; 33. an evaporator;

4. an air supply pipe;

5. a blower;

6. a mounting member; 61. a mounting part;

7. a diversion cavity;

81. the first return air cavity; 82. and a second return air cavity.

Detailed Description

Exemplary embodiments that embody features and advantages of the present utility model will be described in detail in the following description. It will be understood that the utility model is capable of various modifications in various embodiments, all without departing from the scope of the utility model, and that the description and illustrations herein are intended to be by way of illustration only and not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that in the embodiments shown in the drawings, indications of directions or positional relationships (such as up, down, left, right, front, rear, etc.) are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation. These descriptions are appropriate when these elements are in the positions shown in the drawings. If the description of the position of these elements changes, the indication of these directions changes accordingly.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Specific embodiments of the refrigerator and the refrigerator air duct member thereof according to the present utility model will be described in detail with reference to the accompanying drawings.

Fig. 1 is a schematic view of a refrigerator 100 in the present embodiment.

Referring to fig. 1, the present embodiment provides a refrigerator 100. The refrigerator 100 includes a housing 110, a refrigerator compartment liner 120, a freezer compartment liner 130, and an air duct assembly of the refrigerator 100. In this embodiment, the air outlet mode of the air duct assembly of the refrigerator 100 is changed from front air outlet to lateral air outlet, so that cold air cannot be directly blown to food, and further the problem that the food is air-dried due to direct blowing of the cold air can be solved, which is beneficial to the fresh-keeping effect of the refrigerator 100.

For convenience of description, reference is made herein to a state in which the refrigerator 100 is standing for use, a direction facing a user is a front direction, a direction facing away from the user is a rear direction, and a left side when the user faces the refrigerator 100 is a left side and a right side is a right side.

The housing 110 includes a case having a rectangular parallelepiped structure and door bodies disposed at both sides of the case. The front opening of the shell, two door bodies are respectively hinged with the left side and the right side of the shell to enable the two door bodies to open and close, and the two door bodies are respectively arranged corresponding to the refrigerating chamber liner 120 and the freezing chamber liner 130. The door body and the shell can be enclosed together to form a closed structure with a hollow inside.

The refrigerator compartment liner 120 and the freezer compartment liner 130 are disposed inside the casing 110 at intervals in the left-right direction. The refrigerator compartment liner 120 and the freezer compartment liner 130 are opened at the front to form a refrigerator compartment and a freezer compartment which are arranged at intervals in the left-right direction. In this embodiment, the refrigerating compartment is located on the right side and the freezing compartment is located on the left side. In other embodiments, the refrigerator compartment may be located on the left side and the freezer compartment may be located on the right side.

The refrigerator 100 air duct assembly is used for supplying air to the refrigerating chamber and the freezing chamber of the refrigerator 100.

Fig. 2 is a schematic structural diagram of an air duct assembly of the refrigerator 100 in this embodiment, and fig. 3 is a rear view of the air duct assembly of the refrigerator 100 in this embodiment.

Referring to fig. 2 and 3, the refrigerator 100 air duct assembly includes a freezing upper air duct member 1, a freezing lower air duct member 3, a refrigerating air duct member 2, and a blower 5.

Wherein the interior of the freezing upper air channel component 1 is communicated with the freezing lower air channel component 3, and the refrigerating air channel component 2 is communicated with the freezing lower air channel component 3.

Fig. 4 is a schematic structural view of the upper frozen air duct member 1 in the present embodiment.

Referring to fig. 4, the refrigerated upper air duct member 1 includes a first body 11.

The first body 11 is provided with a plurality of first air outlets 111, the opening directions of the plurality of first air outlets 111 are respectively towards the left and right directions and the upward directions, and the plurality of first air outlets 111 are communicated with the freezing chamber and are used for supplying air to the freezing chamber, and the side surface of the freezing upper air channel component 1 is used for supplying air to the freezing chamber, so that cold air can not be directly blown to food, further the condition that the food is air-dried due to direct blowing of the cold air is prevented, and the fresh-keeping effect of the refrigerator 100 is enhanced.

The first body 11 includes a first front cover 112 and a first duct foam 113.

The first front cover plate 112 extends vertically. In this embodiment, the surface of the first front cover plate 112 is smooth, the first air outlet 111 is not provided, and the surface of the first front cover plate can be decorated by glass, so that the first front cover plate is convenient for a user to clean and is more attractive.

The first duct foam 113 is attached to the rear side of the first front cover 112. At this time, the plurality of first air outlets 111 are respectively located at the left and right sides and the top of the first duct foam 113.

The middle part of the first air channel foam 113 is hollowed out, and a first air channel is formed between the first air channel foam 113 and the first front cover plate 112 and the freezing chamber box liner 130, and the first air channel is communicated with a plurality of first air outlets 111.

Fig. 5 is a schematic structural view of the cooling air duct member 2 in the present embodiment.

Referring to fig. 5, the refrigerated air duct member 2 includes a second body 21.

The second body 21 is provided with a plurality of second air outlets 211. The opening directions of the second air outlets 211 are respectively far away from one side of the freezing upper air duct component 1 in the left-right direction and towards the up-down direction, and the second air outlets 211 are communicated with the refrigerating chamber and are used for supplying air to the refrigerating chamber, and the side surface of the refrigerating air duct component 2 is used for supplying air to the refrigerating chamber, so that cold air can not be directly blown to food, further the condition that the food is air-dried due to direct blowing of the cold air is prevented, and the fresh-keeping effect of the refrigerator 100 is enhanced. In the present embodiment, the opening directions of the plurality of second air outlets 211 are respectively directed to the right and up and down. In other embodiments, the opening directions of the plurality of second air outlets 211 are respectively directed to the left and the up and down directions.

The second body 21 includes a second front cover 212 and a second duct foam 213.

In this embodiment, the surface of the second front cover plate 212 is smooth, and the second air outlet 211 is not provided, and the surface of the second front cover plate can be decorated by glass, so that the second front cover plate is convenient for a user to clean and is more attractive.

The second duct foam 213 is attached to the rear side of the second front cover 212. At this time, the plurality of second air outlets 211 are respectively located at the upper and lower sides and the right side of the first duct foam 113.

The middle part of the second air channel foam 213 is hollowed out, and a second air channel is formed between the second air channel foam 213, the second front cover plate 212 and the refrigerating chamber liner 120, and the second air channel is communicated with a plurality of second air outlets 211.

Fig. 6 is a schematic structural view of the lower air duct member 3 in the present embodiment.

Referring to fig. 2, 3 and 6, the lower freezing air duct member 3 is located below the upper freezing air duct member 1 and communicates with the upper freezing air duct member 1.

Specifically, the lower freezing air channel member 3 includes a third body connected to the bottom of the first body 11. The third body includes a third front cover 311, and a plurality of third air outlets 312 are disposed on the third front cover 311. The third air outlet 312 is located at the top of the third front cover plate 311, and the third air outlet 312 is located at the bottom of the first air duct and is communicated with the first air duct, so that the third air outlet 312 is communicated with the plurality of first air outlets 111, and air supply of the refrigerating upper air duct component 1 is realized.

The other third air outlets 312 of the third front cover 311 are directly connected to the freezing chamber, and directly deliver cool air into the freezing chamber.

In the present embodiment, the number of the third air outlets 312 is three, and the openings of the three third air outlets 312 are respectively directed upward, obliquely upward, and forward.

The refrigerated lower air duct member 3 communicates with the refrigerated air duct member 2. Specifically, an air inlet 214 is provided on the left side of the second air duct foam 213, and the air inlet 214 communicates with the refrigerated lower air duct section 3. And, a blast pipe 4 is connected between the refrigerating air duct component 2 and the freezing lower air duct component 3.

Fig. 7 is a schematic rear view of the refrigerator 100 according to the present embodiment. Referring to fig. 2 and 7, the air supply duct 4 is located at the rear of the refrigerator compartment liner 120 and the freezer compartment liner 130, and is hollow. One end of the air supply pipe 4 is communicated with the freezing lower air passage part 3, and the other end is communicated with the air inlet 214 of the second body 21, so that the air supply of the refrigerating air passage part 2 is realized.

The third body includes a back cover 313. The rear cover plate 313 is located at the rear side of the third front cover plate 311 and is connected to the upper portion of the third front cover plate 311.

The rear cover plate 313 is open at the front so that it forms a receiving space for the circulation of cool air when it is connected to the third front cover plate 311. At this time, each third air outlet 312 is correspondingly located in front of the accommodating space.

And, enclose and close and form the third wind channel between third body and the freezing chamber case courage 130.

In this embodiment, the heat insulation cotton 32 is attached to the rear side of the third front cover 311 for insulating water vapor, so as to avoid icing on the front side of the third front cover 311. The shape of the heat insulating cotton 32 is substantially the same as that of the third front cover 311, and thus the heat insulating cotton can perform a better function of insulating cool air.

The heat insulation cotton 32 is provided with a plurality of fourth air outlets 321, and each fourth air outlet 321 is arranged in one-to-one correspondence with each third air outlet 312.

An evaporator 33 is disposed below the rear cover plate 313, the evaporator 33 is attached to the rear side of the heat insulation cotton 32, and the evaporator 33 is located in the third air duct for performing heat exchange to output cool air.

A fan 5 is located within the refrigerated lower air duct unit 3. Specifically, the blower 5 is mounted on the rear cover plate 313. Wherein the fan 5 is mounted with the rear cover plate 313 by means of a mounting 6. The mounting 6 is substantially identical to the shape of the blower 5 and is located on the front side of the blower 5. The mount 6 is provided with a mount portion 61 in the circumferential direction, and the mount portion 61 exceeds the outer circumferential edge of the blower 5 in the circumferential direction. The rear cover plate 313 is provided at a front side thereof with a fixing portion 3132, and the fixing portion 3132 is provided corresponding to the mounting portion 61. In this embodiment, the fixing portion 3132 and the mounting portion 61 are both configured as screw hole structures, and the bolts pass through both the fixing portion 3132 and the mounting portion 61 at the same time, so as to mount the fan 5.

The rear cover plate 313 is provided with a through hole 3131, and the through hole 3131 is located behind the blower 5 as an inlet for cool air. And the through hole 3131 communicates with the third air duct. When the fan 5 rotates, the cool air in the third air duct is sucked into the accommodating space through the through hole 3131.

Further, a flow guiding cavity 7 is arranged on the rear cover plate 313, and the flow guiding cavity 7 is positioned above the fan 5 to play a role in guiding cold air. The flow guiding cavity 7 is hollow, and the flow guiding cavity 7 is respectively communicated with the freezing lower air duct component 3 and the refrigerating air duct component 2. That is, one end of the flow guiding chamber 7 is communicated with the accommodating space, and the other end is communicated with the air inlet 214 of the second body 21 through the air supplying pipe 4, so that the cool air generated by the freezing lower air duct component 3 is conveyed into the refrigerating air duct component 2, and the air supply of the refrigerating chamber is realized.

Further, an air door is arranged in the diversion cavity 7 and used for controlling the opening and closing of the diversion cavity 7, so as to control the air supply condition of the refrigeration air duct component 2. In this embodiment, the air door is disposed in the diversion cavity 7, so that the air door does not need to be additionally installed on the refrigeration air duct component 2, which saves space and is convenient for users to use. Meanwhile, the air door is positioned in the freezing lower air duct component 3, so that cold and heat exchange can be avoided, and the hidden danger of freezing of the air door is reduced.

In this embodiment, the bottom of the front side of the third front cover 311 is provided with a first return air chamber 81. The first return air chamber 81 protrudes forward from the third front cover 311, and is hollow inside. The first return air chamber 81 is simultaneously communicated with the freezing chamber and the third air channel, so that air flow in the freezing chamber flows back to the inside of the third air channel through the first return air chamber 81.

Specifically, the first air return cavity 81 includes a front air return port and a rear air return port, wherein the front air return port is located at the front side of the first air return cavity 81 and located at the bottom thereof, and the front air return port is communicated with the freezing chamber. The back return air inlet is located at the rear end of the first return air cavity 81, and a communication hole 3131 is correspondingly formed in the third front cover plate 311, the back return air inlet is connected to the communication hole 3131, and the back return air inlet is communicated with the third air duct through the communication hole 3131.

Further, the heat insulation cotton 32 is hollowed out at the position corresponding to the rear air return port, so that the rear air return port is exposed, and the cold air in the refrigerating chamber can flow back to the third air duct conveniently.

With continued reference to fig. 1 and 6, a second return air chamber 82 is disposed between the refrigerating chamber liner 120 and the freezing chamber liner 130, and the second return air chamber 82 is hollow and is simultaneously communicated with the refrigerating chamber and the third air duct, so that the air flow in the refrigerating chamber flows back to the third air duct through the second return air chamber.

Specifically, the second return air chamber 82 includes a right return air inlet and a left return air inlet. Wherein, right return air inlet and cold-stored room intercommunication, left return air inlet and third wind channel intercommunication.

After the cold air flowing back to the third air duct from the refrigerating chamber and the freezing chamber is processed by the evaporator 33, the cold air enters the accommodating space from the through hole 3131 through the rotation of the fan 5, and is conveyed to the refrigerating chamber and the freezing chamber again, so that the cold air circulation is realized.

The working principle of the air duct assembly of the refrigerator 100 is as follows:

air supply of refrigerator 100 air duct assembly: the fan 5 rotates so that cool air is sucked into the accommodating space from the through hole 3131, and a part of the cool air is transferred to the first air duct from the third air outlet 312 at the top of the third front cover 311 and is transferred into the freezing chamber through the plurality of first air outlets 111. A part of the cool air is directly transferred into the freezing chamber through the remaining third air outlet 312 provided on the third front cover plate 311. A part of the cold air enters the air supply pipe 4 through the flow guide cavity 7, is conveyed into the second air duct through the air supply pipe 4, and is conveyed into the refrigerating chamber through the plurality of second air outlets 211.

Return air of refrigerator 100 air duct assembly: cold air in the refrigerating chamber flows back to the third air channel through the first return air cavity, and cold air in the refrigerating chamber flows back to the third air channel through the second return air cavity, so that cold air circulation is completed.

The air supply and the return air of the air duct component of the refrigerator 100 are performed simultaneously, so that the cold air in the freezing chamber and the refrigerating chamber can be recycled.

first, change the air-out mode of refrigerator wind channel subassembly into the side direction air-out by positive air-out, and make cold wind can not directly blow food, and then can solve cold wind and directly blow the problem that causes food air-dry easily, be favorable to the fresh-keeping effect of refrigerator.

And secondly, the air door is arranged in the diversion cavity in the freezing lower air duct component, so that cold and heat exchange can be avoided, and the hidden danger of freezing of the air door is reduced. Meanwhile, the air door is not required to be additionally arranged on the refrigerating air duct component, so that the space is saved, and the use of a user is facilitated.

While the utility model has been described with reference to several exemplary embodiments, it is to be understood that the terminology used is intended to be in the nature of words of description and of limitation. As the present utility model may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims

1. A refrigerator wind channel subassembly for refrigerator's fresh food compartment and freezer air supply, the fresh food compartment with the freezer is along controlling the direction interval setting, its characterized in that, refrigerator wind channel subassembly includes:

2. The refrigerator air duct assembly of claim 1, wherein the first body comprises a first front cover plate and first air duct foam, the first front cover plate extends vertically, the first air duct foam is attached to the rear side of the first front cover plate, a plurality of first air outlets are respectively located on the left side, the right side and the top of the first air duct foam, the middle of the first air duct foam is hollowed out, a first air duct is formed among the first air duct foam, the first front cover plate and the refrigerator liner of the freezing chamber, and a plurality of first air outlets are communicated with the first air duct.

3. The refrigerator air duct assembly of claim 1, wherein the second body comprises a second front cover plate and second air duct foam, the second air duct foam is attached to the rear side of the second front cover plate, a plurality of second air outlets are positioned on the upper side, the lower side and the right side of the second air duct foam, the middle of the second air duct foam is hollowed out, a second air duct is formed among the second air duct foam, the second front cover plate and a container of the refrigerating chamber, and a plurality of second air outlets are communicated with the second air duct;

4. The refrigerator air duct assembly of claim 1, wherein the chilled lower air duct component comprises a third body comprising a third front cover plate and a rear cover plate, wherein a plurality of third air outlets are formed in the third front cover plate, and the plurality of first air outlets are communicated with the third air outlets positioned at the top of the third front cover plate; the rear cover plate is positioned at the rear side of the third front cover plate and is connected to the upper part of the third front cover plate; a third air duct is formed by enclosing the third body and the container of the freezing chamber;

5. The refrigerator air duct assembly of claim 4, wherein a flow guiding cavity is arranged on the rear cover plate, the flow guiding cavity is arranged above the fan, and the flow guiding cavity is respectively communicated with the freezing lower air duct component and the refrigerating air duct component.

6. The refrigerator duct assembly of claim 5, wherein an air supply duct is connected between the cold storage duct member and the freezing lower duct member, the air supply duct being located behind the inner container of the cold storage chamber and the freezing chamber, one end of the air supply duct being in communication with the flow guide chamber, and the other end of the air supply duct being in communication with the interior of the second body.

7. The refrigerator duct assembly of claim 5, wherein a damper is disposed within the flow directing chamber for controlling the opening and closing of the flow directing chamber.

8. The refrigerator air duct assembly of claim 4, wherein a first return air cavity is formed in the bottom of the front side of the third front cover plate, the first return air cavity protrudes forward out of the third front cover plate, the first return air cavity is hollow, and the first return air cavity is simultaneously communicated with the freezing chamber and the third air duct, so that air flow in the freezing chamber flows back into the third air duct through the first return air cavity;

9. The refrigerator duct assembly of claim 4, wherein the third front cover plate is provided with heat insulating cotton on the rear side thereof, and the heat insulating cotton is used for insulating water vapor;

10. A refrigerator, comprising a refrigerating chamber liner, a freezing chamber liner and a refrigerator air duct assembly according to any one of claims 1 to 9, wherein the refrigerating chamber liner and the freezing chamber liner are arranged at intervals along the left-right direction.