CN217465033U

CN217465033U - Air-cooled refrigerator

Info

Publication number: CN217465033U
Application number: CN202123018350.5U
Authority: CN
Inventors: 姬立胜; 苗建林; 王睿龙; 崔展鹏; 刘勇豪
Original assignee: Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-09-20
Anticipated expiration: 2031-12-03
Also published as: WO2023098748A1

Abstract

The utility model provides an air-cooled refrigerator, this air-cooled refrigerator include box and a sealed section of thick bamboo, and the box has the storing room between, and a sealed section of thick bamboo sets up in the storing room between, and a sealed section of thick bamboo has open sealed chamber forward to an at least part section of thick bamboo wall for enclosing into sealed chamber sets into the condensation wall, and the condensation wall configures into the cold volume that absorbs the storing room between, with the steam in the sealed section of thick bamboo that condenses, thereby reduces the air humidity in sealed chamber. The utility model discloses an air-cooled refrigerator utilizes the condensation wall can condense the steam in the sealed chamber, reduces the air humidity in sealed chamber, is favorable to fresh the storage of eating the material, improves user's experience and feels, easily uses widely.

Description

Air-cooled refrigerator

Technical Field

The utility model relates to a cold-stored freezing field especially relates to an air-cooled refrigerator.

Background

Along with the continuous development of the science and technology level, the storage function of the refrigerator is more and more abundant. The prior art has seen refrigerators having sealed cartridges for the user to store food or other items hermetically. However, because the sealing barrel is relatively sealed, the food material put into the sealing barrel generates moisture under the action of transpiration, respiration and the like and is dissipated into the sealing barrel, so that the air humidity of the sealing barrel is increased, a large amount of condensation can be generated on the wall surface after the air of the sealing barrel reaches an oversaturated state, and running water can be generated after the condensation amount is accumulated to a certain degree, so that the food material is stored, and the food material preservation effect is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome at least one defect among the prior art, provide an air-cooled refrigerator.

The utility model discloses a further purpose reduces the humidity of air in the sealed chamber.

The utility model discloses another further purpose improves the efficiency of the steam of condensing.

The utility model discloses another further purpose is the condensate water that the sealed chamber of discharge was collected.

Particularly, the utility model provides an air-cooled refrigerator, include: a box body provided with a storage chamber;

the sealed section of thick bamboo sets up in the storing compartment, and the sealed section of thick bamboo has forward open sealed chamber to at least part section of thick bamboo wall that is used for enclosing into sealed chamber sets into the condensation wall, and the condensation wall is configured into the cold volume that absorbs the storing compartment, with the steam in the sealed section of thick bamboo of condensing, thereby reduces the air humidity in sealed chamber.

Optionally, the cartridge wall comprises a rear wall plate as a rear wall of the sealed chamber; and the condensation wall is provided as at least a portion of the rear wall.

Optionally, the cartridge wall comprises a bottom wall plate as a bottom wall of the sealed chamber; and a water collecting tank is formed at the joint of the bottom wall plate and the rear wall plate and is positioned below the condensation wall surface to receive the condensed water on the condensation wall surface.

Optionally, the bottom of the condensation wall is in the water collection tank; and the condensation wall surface comprises: the shell is provided with an accommodating cavity, and the bottom of the shell is provided with an exposed opening facing the water collecting tank; the water absorbing piece is provided with a main body part arranged in the accommodating cavity and an extending part formed at the bottom of the main body part and extending out of the exposure opening, and the water absorbing piece is configured to absorb condensed water in the water collecting tank by using the extending part and transfer the condensed water to the main body part.

Optionally, the housing comprises an inner cover facing the sealed cavity and an outer cover remote from the sealed cavity, the inner cover and the outer cover being snap-fitted to define the receiving cavity.

Optionally, the outer cover is provided with a plurality of steam vents, so that condensed water absorbed by the main body part is evaporated and then discharged into the storage chamber.

Optionally, the outer cover protrudes from an outer surface of the rear wall panel.

Optionally, the box further comprises: an inner container; the air duct forming piece is arranged in front of the rear wall of the liner to divide the liner into a cooling chamber and a storage chamber in front of the cooling chamber; the air duct forming member has an air return opening communicating the storage compartment and the cooling chamber, and the rear wall plate is disposed opposite to the air return opening.

Optionally, an air distribution cavity is defined in the air duct forming member, and the air duct forming member is provided with a plurality of air outlets for communicating the air distribution cavity with the storage compartment; the air-cooled refrigerator further comprises: and the air supply fan is arranged on the air channel forming piece, enables the air inlet end to face the cooling chamber and the air outlet end to face the air volume distribution cavity, and is configured to promote the formation of refrigerating air flow entering the air volume distribution cavity from the cooling chamber and discharged into the storage chamber from the air outlets.

Optionally, the sealing cylinder is positioned at the bottom of the storage chamber; and an air flow channel is arranged between the bottom wall plate and the bottom wall of the storage compartment.

The utility model discloses an air-cooled refrigerator, because the condensation wall is set to the at least part section of thick bamboo wall that is used for enclosing into the sealed chamber, the condensation wall can absorb the cold volume of storing compartment, make it possess lower temperature, consequently when the humid air supersaturation of sealed chamber produces the condensation, the condensation of production can condense on the condensation wall, along with the water droplet volume of condensing accumulates slowly and forms the water droplet, also will seal the steam separation in the intracavity air, the humidity of air in the sealed chamber has been reduced, and then make the sealed chamber more be favorable to storing fresh edible material.

Further, the utility model discloses an air-cooled refrigerator, for other wallboards, the back wallboard is close to the cooling chamber more, also keeps away from a body simultaneously, and consequently the back wallboard is lower for other wallboard department temperatures, and the condensation wall is as a part of back wallboard, and the temperature of condensation wall also is less than other wallboards, can know by the thermodynamic principle, and the lower place of temperature forms the condensation more easily, and the steam of sealed intracavity is condensed by the condensation wall more easily, has improved condensation efficiency.

Further, the utility model discloses an air-cooled refrigerator, the diapire board is formed with the water catch bowl with the junction of back wallboard, and the water catch bowl is located the below of condensation wall, can accept the condensate water on the condensation wall, and the extension of the piece that absorbs water absorbs the condensate water in the water catch bowl to shift to the main part, and evaporate on the main part, the condensate water after the evaporation is from the steam extraction hole room of discharging into between the storing, accomplishes the dehumidification to sealed section of thick bamboo.

The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is a sectional view of an air-cooled refrigerator according to an embodiment of the present invention;

fig. 2 is a schematic view of a sealing cartridge in an air-cooled refrigerator according to an embodiment of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is a schematic view of a condensation wall in an air-cooled refrigerator according to an embodiment of the present invention;

fig. 5 is a schematic view of a condensation wall in an air-cooled refrigerator according to another embodiment of the present invention;

fig. 6 is a schematic view of an outer cover in an air-cooled refrigerator according to an embodiment of the present invention.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

Referring to fig. 1, fig. 1 is a sectional view of an air-cooled refrigerator according to an embodiment of the present invention, in which a dotted arrow shows a flow direction of a cooling air flow. The utility model provides an air-cooled refrigerator 1, this air-cooled refrigerator 1 generally can include the box, and the box still can include shell and at least one inner bag 10, and the shell is located refrigerator 1's the outside to protect whole refrigerator 1. The inner containers 10 are wrapped by the outer shell, and foaming layers can be filled between every two adjacent inner containers 10 and between the inner containers 10 and the outer shell, so that the outward heat dissipation of the inner containers 10 is reduced.

Further, the cabinet may further include an air duct forming member 30, the air duct forming member 30 is disposed in front of the rear wall of the inner container 10 to divide the inner container 10 into the cooling chamber 12 and the storage compartment 14 located in front of the cooling chamber 12, and the storage compartment 14 may be configured as a refrigerating chamber, a freezing chamber, a temperature changing chamber, etc., and the number and functions of the specific storage compartments 14 may be configured according to a predetermined requirement.

The storage compartment 14 defined by each inner container 10 can be opened forward, and the air-cooled refrigerator 1 can further include a door 16, wherein the door 16 is movably disposed in front of the inner container 10 to open and close the storage compartment 14 of the inner container 10, for example, the door 16 can be hinged to one side of the front portion of the refrigerator body, and can open and close the storage compartment 14 in a pivoting manner.

Further, the air-cooled refrigerator 1 can also be provided with cooling capacity by a circulating refrigeration system, the refrigeration system is composed of a compressor, a condenser, a throttling device, an evaporator 40 and the like, and the evaporator 40 can be arranged in the cooling chamber 12 so as to exchange heat with air in the cooling chamber 12 and reduce the temperature of the air.

An air volume distribution cavity 32 is defined in the air channel forming member 30, the air channel forming member 30 is provided with a plurality of air outlets 34 for communicating the air volume distribution cavity 32 with the storage chamber 14, the air channel forming member 30 is provided with a return air inlet 36 for communicating the storage chamber 14 with the cooling chamber 12, the air in the cooling chamber 12 is cooled by the evaporator 40, then is firstly discharged into the air volume distribution cavity 32, and then is discharged into the storage chamber 14 through the plurality of air outlets 34 so as to exchange heat with the articles and the air in the storage chamber 14. After heat exchange, the hot air can also return to the cooling chamber 12 through the air return opening 36, and continue to exchange heat with the evaporator 40, so as to realize circulation heat exchange.

Further, the refrigerator 1 may further include an air supply fan 50, the air supply fan 50 is disposed on the air channel forming member 30, and the air inlet end of the air supply fan 50 faces the cooling chamber 12, and the air outlet end of the air supply fan faces the air volume distribution cavity 32, and is configured to promote formation of a cooling airflow entering the air volume distribution cavity 32 from the cooling chamber 12 and being discharged into the storage compartment 14 from the plurality of air outlets 34, and the air supply fan 50 can provide a circulating power for the cooling airflow, thereby improving heat exchange efficiency.

When the air-cooled refrigerator 1 is used for refrigeration, the evaporator 40 exchanges heat with air in the cooling chamber 12, the air supply fan 50 is started to forcibly blow the air in the cooling chamber 12 into the air volume distribution cavity 32 of the air channel forming piece 30 to form refrigerating air flow, the refrigerating air flow is distributed by the air volume distribution cavity 32 and then is sent into the storage chamber 14 from the air outlets 34, and then the refrigerating air flow exchanges heat with articles and air in the storage chamber 14 to realize cooling. The refrigerant air flow can return to the cooling chamber 12 through the air return opening 36 after heat exchange, and continues to perform with the evaporator 40, so as to realize the circulating heat exchange.

Referring to fig. 1 to 3, fig. 2 is a schematic view of a sealing cylinder 60 in an air-cooled refrigerator 1 according to an embodiment of the present invention, and fig. 3 is an enlarged view of a portion a in fig. 2. In some embodiments, the refrigerator 1 may further include a sealing cylinder 60, the sealing cylinder 60 is disposed in the storage compartment 14, the sealing cylinder 60 has a sealing cavity 62 opened forward, and at least a portion of a cylinder wall for enclosing the sealing cavity 62 is disposed as a condensation wall 70, the condensation wall 70 is configured to absorb cold of the storage compartment 14 to condense water vapor in the sealing cylinder 60, thereby reducing air humidity of the sealing cavity 62.

The sealed canister 60 may be disposed in a storage compartment 14 configured as a refrigerating compartment, and the temperature of the storage compartment 14 may be maintained between 1 ℃ and 10 ℃ so that it is suitable for storing food materials such as fresh vegetables and fruits. Of course, it should be understood by those skilled in the art that the temperature range of the storage compartment 14 configured as a refrigerating compartment can be further adjusted according to actual conditions, and the sealing cylinder 60 can also be disposed in other storage compartments 14, such as the storage compartment 14 configured as a temperature changing compartment, the storage compartment 14 configured as a freezing compartment, and the like, which are not listed here.

With reference to fig. 2, in particular, the air-cooled refrigerator 1 may further include a drawer body 80, wherein the drawer body 80 is drawably disposed in the sealed cavity 62, so that a user can take the articles in the drawer body 80.

The sealing barrel 60 is arranged in the storage compartment 14, the refrigerating airflow can flow around the sealing barrel 60 to perform heat convection with the outer surface of the barrel wall of the sealing barrel 60, the outer surface of the barrel wall can transfer cold to the inner surface of the barrel wall in a heat conduction mode, and the inner surface of the barrel wall can perform heat exchange with the air in the sealing cavity 62 in a heat convection mode to reduce the temperature of the sealing cavity 62.

As described in the background art, because the sealing cylinder is relatively sealed, the food material put into the sealing cylinder generates moisture under the action of transpiration, respiration and the like and is dissipated into the sealing cylinder, so that the air humidity of the sealing cylinder is increased, and after the air of the sealing cylinder reaches an oversaturated state, a large amount of condensation can be generated on the wall surface, and when the condensation amount is accumulated to a certain degree, running water can be generated, so that the food material is stored and bad phenomena such as rottenness and the like are caused, and the food material preservation effect is influenced.

In order to overcome the above-mentioned defect, in the air-cooled refrigerator 1 of this embodiment, at least part section of thick bamboo wall that is used for enclosing into sealed chamber 62 sets into condensation wall 70, condensation wall 70 can absorb the cold volume of storing compartment 14, make it possess lower temperature, when the humid air supersaturation of sealed chamber 62 produced the condensation, the condensation that produces can condense on condensation wall 70, along with the continuous formation water droplet of accumulation of the drop of water volume of condensation, also come out the steam separation in the air in sealed chamber 62, the humidity of air in sealed chamber 62 has been reduced, and then make sealed chamber 62 more be favorable to storing fresh food material.

In some embodiments, the wall of the sealing cartridge 60 may further include a rear wall 630 as a rear wall of the sealing chamber 62, and the condensation wall 70 is provided as at least a portion of the rear wall 630.

Specifically, the sealing cylinder 60 may be configured to have a substantially square shape, and the cylinder wall of the sealing cylinder 60 may generally further include a top wall plate 610 as a top wall of the sealing chamber 62, a bottom wall plate 620 as a bottom wall of the sealing chamber 62, and two side wall plates 640 as two side walls of the sealing chamber 62, and the top wall plate 610, the bottom wall plate 620, the rear wall plate 630, and the two side wall plates 640 may together enclose the sealing chamber 62 and open it forward.

Compared with other wall plates, the rear wall plate 630 is closer to the cooling chamber 12 and is also far away from the door body 16, so that the temperature of the rear wall plate 630 is lower than that of other wall plates, and the lower temperature is easy to form condensation, when the condensation wall surface 70 is used as one part of the rear wall plate 630, the temperature of the condensation wall surface 70 is lower than that of other wall plates, water vapor in the sealed cavity 62 is easier to be condensed by the condensation wall surface 70, and the condensation efficiency is improved.

Referring to fig. 3, further, the bottom wall 620 is formed with a water collection groove 622 at the connection with the rear wall 630, and the water collection groove 622 is located below the condensation wall 70 to receive the condensation water on the condensation wall 70.

When the wet air in the sealed cavity 62 is supersaturated to generate condensation, the generated condensation can be firstly condensed on the condensation wall surface 70 of the rear wall plate 630, water drops can be gradually formed along with the continuous accumulation of the amount of the condensation water, and the water drops flow downwards into the water collecting tank 622 along the surface of the rear wall plate 630 (or the condensation wall surface 70) under the action of the self gravity and the surface tension of the rear wall plate 630, so that the condensation water is convenient to clean.

Referring to fig. 3 to 5, fig. 4 is a schematic view of a condensation wall 70 in the air-cooled refrigerator 1 according to an embodiment of the present invention, and fig. 5 is a schematic view of a condensation wall 70 in the air-cooled refrigerator 1 according to another embodiment of the present invention. Further, the bottom of the condensation wall 70 is located in the water collection groove 622, and the condensation wall 70 may further include a housing 710 and a water absorbing member 720, the housing 710 has a receiving cavity, and the bottom of the housing 710 has an exposure opening 718 facing the water collection groove 622, the water absorbing member 720 has a main body portion 722 disposed in the receiving cavity and an extension portion 724 formed at the bottom of the main body portion 722 and protruding from the exposure opening 718, and the water absorbing member 720 is configured to absorb the condensed water in the water collection groove 622 by using the extension portion 724 and transfer the condensed water to the main body portion 722.

The bottom of the condensation wall 70 is located in the water collection groove 622, i.e. the condensation wall 70 is directly connected to the water collection groove 622, and there is no other part of the rear wall 630 between the two.

The main body 722 of the water absorbing member 720 is disposed in the receiving cavity of the housing 710, and the extension 724 of the water absorbing member 720 extends out of the receiving cavity from the exposed opening 718 at the bottom of the housing 710, so that the extension 724 of the water absorbing member 720 is directly located in the water collecting groove 622. The main body 722 and the extension 724 of the water absorbing member 720 may be integrally formed, and are made of a material (such as a fiber board) that absorbs water and prevents air permeation, so that the extension 724 of the water absorbing member 720 can absorb the condensed water collected in the water collecting tank 622 and transfer the condensed water to the main body 722 under the action of capillary phenomenon, on one hand, the condensed water in the water collecting tank 622 can be cleaned in time, the overflow of the condensed water is prevented, and on the other hand, the condensed water can be transferred to the main body 722 with a larger area, so as to be convenient for evaporation and discharge.

Referring to fig. 5, further, the housing 710 may further include an inner cover 712 facing the sealed cavity 62 and an outer cover 714 facing away from the sealed cavity 62, the inner cover 712 and the outer cover 714 being engaged to define a receiving cavity.

In some specific embodiments, both inner cover 712 and outer cover 714 may be made of plastic, such as ABS plastic, PS plastic, or the like. In other embodiments, the inner cover 712 may be made of a metal material with good cold conduction property, such as copper, aluminum, etc., which has a relatively large heat absorption coefficient and a strong heat exchange capability, so that the inner cover 712 directly contacting with water vapor has a lower temperature and the condensation efficiency is improved.

Referring to fig. 6, fig. 6 is a schematic diagram of an outer cover 714 in the air-cooled refrigerator 1 according to an embodiment of the present invention. Further, the outer cover 714 is provided with a plurality of steam discharging holes 716, so that the condensed water absorbed by the body portion 722 is discharged into the storage compartment 14 after being evaporated.

The plurality of steam discharge holes 716 are formed in the outer cover 714, the steam discharge holes 716 can communicate the storage compartment 14 with the accommodating cavity of the housing 710, and since the main body portion 722 is disposed in the accommodating cavity, condensed water evaporated from the main body portion 722 can be discharged from the plurality of steam discharge holes 716, so that the humidity of the main body portion 722 is reduced, a certain pressure difference can be maintained between the extension portion 724 and the main body portion 722, and the extension portion 724 can continuously transfer the condensed water in the water collection tank 622 to the main body portion 722 under the action of the pressure difference.

In addition, because the steam exhaust hole 716 can communicate the storage compartment 14 with the accommodating cavity of the housing 710, the refrigeration airflow of the storage compartment 14 can also enter the accommodating cavity through the steam exhaust hole 716, so that the airflow speed on the surface of the main body portion 722 is increased, and the evaporation speed is increased.

Furthermore, since the evaporated water is discharged into the storage compartment 14, it is also possible to increase the humidity of the storage compartment 14.

In summary, the dehumidification principle of the sealing cylinder 60 in the air-cooled refrigerator 1 of the present embodiment is as follows: firstly, the condensation wall 70 can condense the water vapor in the sealed cavity 62 into condensed water, secondly, the condensed water is converged on the condensation wall 70 to form water drops and flows into the water collecting tank 622, finally, the extension portion 724 of the water absorbing member 720 absorbs the condensed water in the water collecting tank 622, transfers the condensed water to the main body portion 722 and evaporates on the main body portion 722, and the evaporated condensed water is discharged into the storage compartment 14 from the steam discharge hole 716, thereby completing the dehumidification of the sealed cylinder 60.

Referring to fig. 3, further, the outer cover 714 may protrude from the outer surface of the rear wall 630, so as to increase a contact area between the outer cover 714 and the cooling airflow of the storage compartment 14, further improve heat exchange efficiency of the outer cover 714 and the entire housing 710, and make the condensation wall 70 have a lower temperature and more easily condense water vapor.

Referring to fig. 1, in some embodiments, the rear wall 630 may be disposed opposite to the air return opening 36, and since the cooling air flow of the storage compartment 14 needs to return to the cooling compartment 12 from the air return opening 36 after exchanging heat with the air in the storage compartment 14, the disposition of the rear wall 630 opposite to the air return opening 36 can increase the air flow passing through the condensation wall 70, thereby further increasing the evaporation efficiency.

Referring to fig. 1, in some embodiments, the sealing cylinder 60 is located at the bottom of the storage compartment 14, and an airflow channel is formed between the bottom wall plate 620 and the bottom wall of the storage compartment 14, so that the cooling airflow discharged from the air outlet 34 into the storage compartment 14 can perform heat convection with the wall plates of the sealing cylinder 60 including the bottom wall plate 620, that is, the cooling airflow can cool the sealing cylinder 60 in all directions, thereby further optimizing the heat exchange of the sealing cylinder 60.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.

Claims

1. An air-cooled refrigerator characterized by comprising:

a box body provided with a storage chamber;

the sealing barrel is provided with a sealing cavity which is opened forwards, at least part of barrel wall which is used for enclosing the sealing cavity is set to be a condensation wall surface, and the condensation wall surface is configured to absorb cold energy of the storage cavity so as to condense water vapor in the sealing barrel, so that the air humidity of the sealing cavity is reduced.

2. The air-cooled refrigerator of claim 1, wherein the air-cooled refrigerator is characterized in that

The cylinder wall comprises a rear wall plate serving as a rear wall of the sealing cavity; and is

The condensation wall is provided as at least a portion of the rear wall.

3. The air-cooled refrigerator as claimed in claim 2, wherein the air-cooled refrigerator is characterized in that

The cylinder wall comprises a bottom wall plate serving as a bottom wall of the sealing cavity; and is

And a water collecting tank is formed at the joint of the bottom wall plate and the rear wall plate and is positioned below the condensation wall surface to receive the condensed water on the condensation wall surface.

4. The air-cooled refrigerator of claim 3, wherein the air-cooled refrigerator is characterized in that

The bottom of the condensation wall surface is positioned in the water collecting tank; and is

The condensation wall includes:

the shell is provided with an accommodating cavity, and the bottom of the shell is provided with an exposed opening facing the water collecting tank;

the water absorbing piece is provided with a main body part arranged in the containing cavity and an extending part formed at the bottom of the main body part and extending out of the exposure opening, and the water absorbing piece is configured to absorb the condensed water in the water collecting tank by using the extending part and transfer the condensed water to the main body part.

5. The air-cooled refrigerator as claimed in claim 4, wherein the air-cooled refrigerator is characterized in that

The shell comprises an inner cover facing the sealed cavity and an outer cover far away from the sealed cavity, and the inner cover and the outer cover are buckled to limit the accommodating cavity.

6. The air-cooled refrigerator of claim 5, wherein the air-cooled refrigerator is provided with a fan

The outer cover is provided with a plurality of steam exhaust holes, so that condensed water absorbed by the main body part is evaporated and then discharged into the storage chamber.

7. The air-cooled refrigerator of claim 5, wherein the air-cooled refrigerator is provided with a fan

The outer cover protrudes out of the outer surface of the rear wall plate.

8. The air-cooled refrigerator of claim 2, wherein the cabinet further comprises:

an inner container;

the air channel forming piece is arranged in front of the rear wall of the inner container so as to divide the inner container into a cooling chamber and the storage compartment chamber positioned in front of the cooling chamber;

the air duct forming piece is provided with an air return opening which is communicated with the storage compartment and the cooling chamber, and the rear wall plate is arranged opposite to the air return opening.

9. The air-cooled refrigerator of claim 8, wherein the air-cooled refrigerator is characterized in that

An air volume distribution cavity is defined in the air channel forming piece, and the air channel forming piece is provided with a plurality of air outlets for communicating the air volume distribution cavity with the storage compartment;

the air-cooled refrigerator further comprises:

and the air supply fan is arranged on the air channel forming piece, enables the air inlet end of the air supply fan to face the cooling chamber, enables the air outlet end of the air supply fan to face the air volume distribution cavity, and is configured to promote the formation of refrigerating airflow entering the air volume distribution cavity from the cooling chamber and being discharged into the storage compartment from the air outlets.

10. The air-cooled refrigerator of claim 3, wherein the air-cooled refrigerator is characterized in that

The sealing cylinder is positioned at the bottom of the storage chamber; and is

An air flow channel is arranged between the bottom wall plate and the bottom wall of the storage compartment.