WO2023186022A1

WO2023186022A1 - Refrigerator

Info

Publication number: WO2023186022A1
Application number: PCT/CN2023/085129
Authority: WO
Inventors: 冯磊; 李波; 周兆涛; 任树飞; 毛宝龙; 伊智慧
Original assignee: 青岛海尔电冰箱有限公司; 海尔智家股份有限公司
Priority date: 2022-03-31
Filing date: 2023-03-30
Publication date: 2023-10-05
Also published as: CN114576909A

Abstract

A refrigerator comprising: an inner container provided with an air-inducing opening; an air-inducing air duct assembly, which is located in the inner container and is provided with an air-inducing air duct connected to the air-inducing opening; and a connecting air duct assembly, which is located outside the inner container and is provided with a connecting air duct connected to the air-inducing opening, and is used for guiding an external airflow of the inner container to the air-inducing air duct. By using the solution of the present invention, the number of evaporators of a multi-chamber refrigerator may be reduced, the structure of the refrigerator is simplified, and the manufacturing cost is reduced. By means of allowing the air-inducing air duct assembly and the connecting air duct assembly to be mutually inserted at the air-inducing opening, the air-inducing air duct and the connecting air duct communicate with each other, so that the air duct connecting means of the refrigerator can be simplified, the assembly efficiency is improved, the assembly precision between the air-inducing air duct assembly and the air-inducing opening does not need to be considered, and the assembly precision between the connecting air duct assembly and the air-inducing opening does not need to be considered.

Description

refrigerator

Technical field

The present invention relates to refrigeration equipment, in particular to a refrigerator.

Background technique

In daily life, people come into contact with a wide variety of items. Different items, such as different ingredients, often require different preservation methods, so classified storage is necessary. Multi-compartment refrigerators can meet the preservation needs of classified storage.

However, for a multi-compartment refrigerator, if an evaporator is provided for each storage compartment, the structure of the refrigerator will be very complex and the manufacturing cost will be high.

The above information disclosed in this Background Art is only for increasing understanding of the Background Art of this application and, therefore, it may contain prior art that does not constitute prior art known to a person of ordinary skill in the art.

Contents of the invention

An object of the present invention is to overcome at least one technical defect in the prior art and provide a refrigerator.

A further object of the present invention is to reduce the number of evaporators in a multi-compartment refrigerator, simplify the structure of the refrigerator, and reduce manufacturing costs.

Another further object of the present invention is to simplify the air duct connection method of the refrigerator and improve the assembly efficiency.

A further object of the present invention is to improve the air duct connection quality of the refrigerator and prevent air leakage and cold leakage.

Yet another further object of the present invention is to improve the structural stability of the air duct connection of the refrigerator.

In particular, the present invention provides a refrigerator, including: an inner pot with an air induction opening provided thereon; an air induction air duct assembly located inside the inner pot and having an air induction air duct connected to the air induction opening; and The connecting air duct assembly is located on the outside of the inner liner, and has a connecting air duct connected to the air inlet for guiding the external airflow of the inner liner to the air inlet duct.

Optionally, the induced air duct assembly and the connecting air duct assembly are plugged into each other at the air inlet, so that the induced air duct and the connecting air duct are connected.

Optionally, the induced air duct assembly has an induced air duct housing, the interior of the induced air duct housing defines an induced air duct, and an outer protrusion protruding toward the outside is formed on the induced air duct housing. Plug-in part; connecting air duct The assembly has a connecting air duct housing, the inside of the connecting air duct housing defines a connecting air duct, and the connecting air duct housing is correspondingly formed with a concave plug-in part that is concave toward the inside, and the concave plug-in part is provided for the outward protrusion. The plug portion is inserted therein to achieve a plug fit.

Optionally, the outer end surface of the male plug-in part is provided with an air inlet connected to the air induction duct; and the inner end surface of the concave plug-in part is provided with an air supply port connected to the air duct and docked with the air inlet.

Optionally, the air inlet is a light hole that penetrates the thickness direction of the inner bladder wall and is used for inserting the convex plug-in part to plug into the concave plug-in part.

Optionally, the refrigerator further includes: another inner bag with an air supply opening on it and arranged horizontally side by side with the aforementioned inner bag; the connecting air duct assembly is clamped between the two inner bags and connected to the air duct shell. A communication port connecting the air duct is also formed on the body. The communication port is connected to the air supply port and is used to guide the air flow from the air supply port to the connecting air duct.

Optionally, the air induction duct assembly is provided with an elastic member. The elastic member is deformably provided on the convex plug-in part under force and avoids the air inlet. It is used when the convex plug-in part is inserted into the concave plug-in part. It is deformed due to extrusion, so that the air inlet and the air supply port are sealed and connected.

Optionally, the outer end surface of the convex plug-in part and the inner end surface of the concave plug-in part are pressed against each other and form a first extrusion surface; and the elastic member includes a first annular elastic part disposed on the first extrusion surface. on the surface and avoid air inlets.

Optionally, the outer circumferential surface of the male plug-in part and the inner circumferential surface of the female plug-in part are pressed against each other and form a second extrusion surface; and the elastic member includes a second annular elastic part surrounding the second extrusion surface. on the pressing surface, and is fixedly connected to the first annular elastic part or integrated with the first annular elastic part.

Optionally, the air duct casing is also formed with a main body connected to the convex plug-in part, and the main body and the inner liner wall of the outer periphery of the air duct are squeezed together to form a third extrusion surface; and the elastic member It includes a third annular elastic part arranged on the third extrusion surface.

In the refrigerator of the present invention, an induced air duct assembly is provided inside the inner container and a connecting air duct assembly is provided outside the inner container. The connecting air duct assembly is used to guide the external airflow of the inner container to the induced air flow. The induced air duct of the duct assembly allows the liner to receive heat exchange airflow from the outside and achieve cooling. By adopting the solution of the present invention, the number of evaporators in a multi-compartment refrigerator can be reduced, the structure of the refrigerator can be simplified, and the manufacturing cost can be reduced.

Furthermore, in the refrigerator of the present invention, the air duct assembly and the connecting air duct assembly are plugged into each other at the air inlet to connect the air duct and the connecting air duct, thereby simplifying the air duct connection method of the refrigerator. Improve assembly efficiency without taking into account the assembly accuracy between the air duct assembly and the air inlet. There is no need to consider the assembly accuracy between the air duct assembly and the air inlet.

Further, in the refrigerator of the present invention, an elastic member is provided on the air induction duct assembly, and the elastic member is deformably provided at the convex plug-in part under force, and the elastic member is inserted into the concave plug-in part. It is deformed when squeezed, so that the air inlet and the air supply outlet can be sealed and connected, which is beneficial to improving the quality of the air duct connection of the refrigerator and preventing air leakage and cold leakage.

Furthermore, in the refrigerator of the present invention, when the connecting air duct assembly is clamped between two inner pots, the connecting air duct assembly can be fixed between the two inner pots during the foaming process, so that the connection is The air duct assembly is firmly assembled on the inner liner, which is beneficial to improving the structural stability of the air duct connection of the refrigerator.

From the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will further understand the above and other objects, advantages and features of the present invention.

Description of drawings

Some specific embodiments of the invention will be described in detail below by way of illustration and not limitation with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar parts or portions. Those skilled in the art will appreciate that these drawings are not necessarily drawn to scale. In the attached picture:

Figure 1 is a schematic structural diagram of a refrigerator according to an embodiment of the present invention;

Figure 2 is a schematic structural diagram of a partial structure of a refrigerator according to an embodiment of the present invention;

Figure 3 is a schematic structural diagram of the partial structure of the refrigerator shown in Figure 2 from another perspective;

Figure 4 is a schematic structural diagram of the inner container of the refrigerator according to one embodiment of the present invention;

Figure 5 is a schematic assembly diagram of the air induction duct assembly and the connecting air duct assembly of the refrigerator according to one embodiment of the present invention;

Figure 6 is a schematic structural diagram of the air induction duct assembly of the refrigerator according to one embodiment of the present invention;

Figure 7 is a schematic structural diagram of the connecting air duct assembly of the refrigerator according to one embodiment of the present invention;

Figure 8 is a schematic structural diagram of the connecting air duct assembly of the refrigerator shown in Figure 7 from another perspective;

Figure 9 is a schematic cross-sectional view of the assembly structure of the air induction duct assembly and the connecting air duct assembly of the refrigerator according to one embodiment of the present invention;

Figure 10 is a schematic diagram of the assembly structure of the air induction duct assembly and the connecting air duct assembly of the refrigerator according to one embodiment of the present invention.

Detailed ways

Figure 1 is a schematic structural diagram of a refrigerator 10 according to an embodiment of the present invention. The refrigerator 10 may generally include an inner pot 320 , an induced air duct assembly 210 and a connecting air duct assembly 240 .

Figure 2 is a schematic structural diagram of a partial structure of the refrigerator 10 according to an embodiment of the present invention. Figure 3 is a schematic structural diagram of a partial structure of the refrigerator 10 shown in Figure 2 from another perspective. The figure shows the assembly. There is an inner liner 320 connecting the air duct assembly 240 and the induced air duct assembly 210.

The inner pot 320 is used to assemble the box body 110 with the box shell of the refrigerator 10 . The air-inducing air duct assembly 210 and the connecting air duct assembly 240 are respectively assembled to the inner tank 320 for guiding air to the storage compartment defined by the inner tank 320. The inner pot 320 may refer to a common inner pot 320 such as a refrigerated inner pot 320, a freezing inner pot 320 or a variable temperature inner pot 320.

Figure 4 is a schematic structural diagram of the inner container 320 of the refrigerator 10 according to one embodiment of the present invention. The liner 320 is provided with an air inlet 326. The air inlet 326 is disposed through the wall of the inner container 320 to connect the inside and outside of the inner container 320 .

The induced air duct assembly 210 is located inside the liner 320 and has an induced air duct 211b connected to the air inlet 326 . The connecting air duct assembly 240 is located outside the liner 320, and has a connecting air duct 241b connected to the air inlet 326 for guiding the external airflow of the liner 320 to the air duct 211b. Wherein, connecting the connecting air duct 241b to the air inlet 326 means that the airflow flowing through the connecting air duct 241b can flow to the air inlet 326. The connection of the air duct 211b to the air duct 326 means that the airflow flowing to the air duct 326 can flow into the air duct 211b.

By setting the induced air duct assembly 210 inside the inner liner 320 and setting the connecting air duct assembly 240 outside the inner liner 320, the connecting air duct assembly 240 is used to guide the external airflow of the inner liner 320 to the induced air. The induced air duct 211b of the air duct assembly 210 allows the inner bladder 320 to receive heat exchange airflow from the outside and achieve cooling. There is no need to arrange an additional evaporator inside the liner 320 . Using the solution of this embodiment, the number of evaporators in the multi-compartment refrigerator 10 can be reduced, the structure of the refrigerator 10 can be simplified, and the manufacturing cost can be reduced.

Since no additional evaporator is required inside the liner 320, the effective volume of the liner 320 can be increased to meet the user's storage needs.

In some optional embodiments, the induced air duct assembly 210 and the connecting air duct assembly 240 are plugged into each other at the air inlet 326, so that the induced air duct 211b is connected with the connecting air duct 241b. Among them, "interconnection" may mean that a part of the induced air duct assembly 210 is inserted into the connecting air duct assembly 240, or it may mean that a part of the connecting air duct assembly 240 is inserted into the induced air duct assembly 210.

By plugging the induced air duct assembly 210 and the connecting air duct assembly 240 with each other at the air inlet 326 to connect the induced air duct 211b and the connecting air duct 241b, the air duct connection method of the refrigerator 10 can be simplified and the assembly can be improved. efficiency, and there is no need to consider the assembly accuracy between the air duct assembly 210 and the air inlet 326, There is no need to consider the assembly accuracy between the air duct assembly 240 and the air inlet 326 .

Of course, in other embodiments, the induced air duct assembly 210 and the connecting air duct assembly 240 may be connected to the air inlet 326 in other ways, or may be connected to each other at the air inlet 326 in other ways, thereby communicating the induced air duct assembly 210 and the connecting air duct assembly 240. Air duct 211b and connection method.

For example, the air duct assembly 210 can be connected to the inner surface of the outer peripheral wall of the air inlet 326 so that the air inlet 326 is connected to the air inlet duct 211b. The connection method includes but is not limited to bonding, welding or snapping. The connecting air duct assembly 240 can be connected to the outer surface of the peripheral wall of the air inlet 326 so that the air inlet 326 is connected to the connecting air duct 241b. The connection method includes but is not limited to bonding, welding or clamping.

FIG. 5 is a schematic assembly diagram of the induced air duct assembly 210 and the connecting air duct assembly 240 of the refrigerator 10 according to an embodiment of the present invention.

In some optional embodiments, the induced air duct assembly 210 has an induced air duct housing 211, the interior of the induced air duct housing 211 defines an induced air duct 211b, and the induced air duct housing 211 An outer protruding insertion portion 211a protruding toward the outside is formed on the top.

The connecting air duct assembly 240 has a connecting air duct housing 241. The interior of the connecting air duct housing 241 defines a connecting air duct 241b, and the connecting air duct housing 241 is correspondingly formed with a recessed insertion portion 241a that is recessed toward the inside. , the inner concave plug-in part 241a is for the outer convex plug-in part 211a to be inserted therein to achieve plug-in fit.

Among them, the terms "inner", "outer", "concave" and "convex" are relative to the actual use status of each component. For example, "protruding toward the outside of the air duct housing 211" means protruding from the main body of the air duct housing 211, and "recessed toward the inside of the connecting air duct housing 241" means being recessed in the connecting air duct housing 241. The main body part of the air duct housing 241 is provided.

Using the convex plug-in part 211a and the concave plug-in part 241a for plug-in connection to connect the air induction duct 211b and the connecting air duct 241b is not only a simple method, but also easy to ensure high assembly accuracy. And only the molding molds for the air induction duct housing 211 and the connecting air duct housing 241 need to be changed to form the convex plug-in part 211a and the concave plug-in part 241a that fit with each other, ensuring product uniformity. good.

In some optional embodiments, the air inlet 326 is a light hole that runs through the thickness direction of the liner wall of the inner bladder 320 and is used for the outer convex plug-in part 211a to be inserted and plugged into the concave plug-in part 241a. For example, the air intake 326 can be provided on any side wall located on both lateral sides of the inner bladder 320 .

It should be noted that since the male plug portion 211a protrudes from the main body of the air duct housing 211 and the female plug portion 241a is recessed in the main body of the connecting air duct housing 241, there is no During the insertion and mating process of the male plug-in part 211a and the female plug-in part 241a, the male plug-in part 211a The air inlet 326 needs to be extended to be plugged into the recessed plug-in part 241a. The opening size of the air inlet 326 may be slightly larger than the outer size of the protruding plug portion 211a.

Figure 6 is a schematic structural diagram of the air induction duct assembly 210 of the refrigerator 10 according to an embodiment of the present invention. In some optional embodiments, an air inlet 218 connected to the air induction duct 211b is provided on the outer end surface of the male protruding plug portion 211a.

Figure 7 is a schematic structural diagram of the connecting air duct assembly 240 of the refrigerator 10 according to an embodiment of the present invention. FIG. 8 is a schematic structural diagram of the connecting air duct assembly 240 of the refrigerator 10 shown in FIG. 7 from another perspective. The inner end surface of the recessed plug-in part 241a is provided with an air supply port 248 that communicates with the air channel 241b and is connected with the air inlet 218.

Among them, the "outer end surface of the male protruding plug-in part 211a" is relative to the protruding direction of the male protruding plug-in part 211a, and is approximately located at the protruding end of the male protruding plug-in part 211a. The "inner end surface of the female insertion part 241a" is relative to the direction of the depression of the female insertion part 241a, and is approximately located at the recessed end of the female insertion part 241a.

When the male insertion part 211a is inserted into the female insertion part 241a, the outer end surface of the male insertion part 211a abuts against the inner end surface of the female insertion part 241a. By opening the air inlet 218 on the outer end surface of the convex plug-in part 211a and opening the air supply port 248 on the inner end surface of the concave plug-in part 241a, the air inlet 218 and the air supply port 248 can be seamlessly connected, which is beneficial to The degree of integration between the induced air duct 211b and the connecting air duct 241b is improved, and the air supply efficiency of the refrigerator 10 is improved.

In some optional embodiments, the refrigerator 10 may further include another inner bag 310, which has an air supply opening 318 and is arranged laterally side by side with the aforementioned inner bag 320. For ease of distinction, the "another inner bladder 310" here can be named the second inner bladder 310, and the aforementioned inner bladder 320 can be named the first inner bladder 320. The first inner pot 320 and the second inner pot 310 can be selected from any of commonly used inner pots such as a refrigerated inner pot, a freezing inner pot or a variable temperature inner pot.

The connecting air duct assembly 240 is clamped between the two inner casings 320, and the connecting air duct housing 241 is also formed with a connecting port 246 for connecting the air duct 241b. The connecting port 246 is connected to the air supply port 318 for connecting air from the air duct 241b. The air flow from the air supply port 318 is guided to the connecting air duct 241b.

In some embodiments, the aforementioned recessed plug-in portion 241a (which can be named the first recessed plug-in portion 241a) connected to the air duct housing 241 can be formed at one lateral end of the air duct housing 241 to connect the air duct housing. The other transverse end of the body 241 may be formed with another concave plug-in part 241a (which may be named the second concave plug-in part 241a) that communicates with the air supply opening 248 of the second inner bladder 310. An air supply port 248 is provided on the inner end surface of the first recessed plug-in part 241a, and a connecting hole is provided on the inner end surface of the second recessed plug-in part 241a. The port 246, the communication port 246 and the air supply port 248 are respectively connected to the connecting air duct 241b. Among them, the communication port 246 is used to allow the heat exchange air flow from the second liner 310 to flow into the connecting air duct 241b, and the air supply port 248 is used to allow the heat exchange air flow flowing through the connecting air duct 241b to flow out of the connecting air duct 241b. , and flows into the induced air duct 211b.

When the connecting air duct assembly 240 is clamped between the two inner bladders, the connecting air duct assembly 240 can be fixed between the two inner bladders during the foaming process, so that the connecting air duct assembly 240 can be firmly fixed Assembled on the inner liner, this is beneficial to improving the structural stability of the air duct connection of the refrigerator 10 .

The interior of the first inner bladder 320 may define a first low-temperature storage area 322 for storage. The interior of the second inner bladder 310 may define an evaporator installation area 311 for installing the evaporator and a second low-temperature storage area 312 located in front of the evaporator installation area 311 and used for storage. The heat exchange airflow flowing through the evaporator can either flow to the second low-temperature storage area 312 or flow to the first low-temperature storage area 322 defined by the first inner bladder 320 through the connecting air duct assembly 240 .

The wall of the second inner bag 310 may also be provided with a first return air opening 328, which is used to allow the return air flowing through the first inner bag 320 to flow out of the first inner bag 320. The wall of the second liner 310 may be provided with a second return air outlet 319, which is connected to the first return air outlet 328 through another connecting air duct assembly 240, and is used to allow the return air flowing through the first liner 320 to flow through it. Return to the evaporator installation area 311.

In some optional embodiments, the connecting air duct housing 241 of the connecting air duct assembly 240 is formed with an overlap that overlaps the side end top wall of at least one of the first inner liner 320 and the second inner liner 310 . When the connecting air duct assembly 240 is clamped between the first liner 320 and the second liner 310, the overlapping portion is supported by the side top wall of the liner 320, thereby preventing rocking.

The side top wall of the first liner 320 refers to the wall surface of the interface between the side wall and the top wall of the first liner 320 where the air inlet 326 is opened. The side top wall of the second inner bag 310 refers to the wall surface of the interface between the side wall and the top wall of the second inner bag 310 where the air supply opening 318 is opened.

In some optional embodiments, the induced air duct assembly 210 is provided with an elastic member 270, which is deformably provided on the protruding plug portion 211a under force, and avoids the air inlet 218 for use in the protruding part 211a. When the plug-in part 211a is inserted into the recessed plug-in part 241a, it is extruded and deformed, so that the air inlet 218 and the air supply port 248 are sealed and connected.

Figure 10 is a schematic diagram of the assembly structure of the air induction duct assembly 210 and the connecting air duct assembly 240 of the refrigerator 10 according to an embodiment of the present invention. The figure shows the convex plug-in part 211a and the concave plug-in part. 241a, inner bladder 320 and elastic member 270.

The elastic member 270 may be made of an elastic sealing material used to seal the interface. In some embodiments, The elastic member 270 can be made of EPDM (Ethylene Propylene Diene Monomer) material, which is soft and has good sealing effect. In some optional embodiments, the elastic member 270 may also be made of high-density sponge.

By arranging the elastic member 270 on the air duct assembly 210 and allowing the elastic member 270 to be deformed and deformed under force, the elastic member 270 is inserted into the concave plug portion 241a when the outer convex plug portion 211a is inserted into the female plug portion 241a. Deformation occurs due to extrusion, so that the air inlet 218 and the air supply outlet 248 can be sealed and connected, which is beneficial to improving the air duct connection quality of the refrigerator 10 and preventing air leakage and cold leakage.

When the installer inserts the convex plug-in part 211a of the air duct housing 211 into the concave plug-in part 241a, the elastic member 270 moves synchronously with the convex plug-in part 211a, and is simultaneously pushed outward during the movement. The plug-in part 211a and the female plug-in part 241a are extruded and deformed, so that they can be inserted into the gaps between the contact parts of the convex plug-in part 211a and the concave plug-in part 241a, and these gaps are sealed, thereby , the air inlet 218 and the air supply outlet 248 are sealed and connected, which can reduce or avoid the occurrence of air leakage and cold leakage.

The elastic member 270 can be disposed at each contact portion where the convex plug-in portion 211a and the concave plug-in portion 241a are in pressing contact, thereby sealing the gap between the contact portions.

Figure 9 is a schematic cross-sectional view of the assembly structure of the air induction duct assembly 210 and the connecting air duct assembly 240 of the refrigerator 10 according to one embodiment of the present invention.

In some optional embodiments, the outer end surface of the male plug-in part 211a and the inner end surface of the female plug-in part 241a are pressed against each other to form the first extrusion surface 201. The elastic member 270 may include a first annular elastic part 271 , which is disposed on the first pressing surface 201 and avoids the air inlet 218 .

The first extrusion surface 201 and the inner end surface of the recessed insertion portion 241a extruding the first extrusion surface 201 are vertically opposite to each other.

In some optional embodiments, the outer peripheral surface of the male plug-in part 211a and the inner peripheral surface of the female plug-in part 241a are pressed against each other to form the second extrusion surface 202. The elastic member 270 may further include a second annular elastic part 272 surrounding the second extrusion surface 202 and fixedly connected to the first annular elastic part 271 or integrated with the first annular elastic part 271 .

The second extrusion surface 202 and the inner circumferential surface of the recessed insertion portion 241a which is extruded against the second extrusion surface 202 are opposite to each other in an "outer eight" shape.

A part of the connection part between the first annular elastic part 271 and the second annular elastic part 272 can be broken, so that the first annular elastic part 271 and the second annular elastic part 272 are only partially connected, which can prevent The second annular elastic part 272 can also be prevented from warping. When the convex plug-in part 211a is inserted into the concave plug-in part 241a, it is lifted up, which greatly ensures the sealing effect and makes the seal "what you see is what you get".

In some optional embodiments, the air duct housing 211 is also formed with a main body connected to the outer protruding plug portion 211a. The main body and the inner bladder 320 wall around the air intake 326 are pressed against each other, and form a The third extrusion surface 203. The elastic member 270 may further include a third annular elastic portion 273 disposed on the third pressing surface 203 .

Multi-level sealing can be achieved by using the elastic member 270 to seal the multiple interaction surfaces between the induced air duct housing 211 and the connecting air duct housing 241, and between the induced air duct housing 211 and the inner tank 320 wall. , greatly reducing the risk of air leakage and cold leakage. During the plug-in assembly process, the compression rate of the elastic member 270 should be greater than 50%, and the space between the induced air duct housing 211 and the connecting air duct housing 241 and the induced air duct housing should be determined according to the compression rate requirements. 211 and the spacing between multiple interaction surfaces of the inner bladder 320.

In the refrigerator 10 of the present invention, the draft air duct assembly 210 is provided inside the inner pot 320 and the connecting air duct assembly 240 is provided outside the inner pot 320. The connecting air duct assembly 240 is used to connect the outside of the inner pot 320. The air flow is guided to the induced air duct 211b of the induced air duct assembly 210, so that the inner bladder 320 can receive the heat exchange air flow from the outside and achieve cooling. By adopting the solution of the present invention, the number of evaporators of the multi-compartment refrigerator 10 can be reduced, the structure of the refrigerator 10 can be simplified, and the manufacturing cost can be reduced.

By inserting the induced air duct assembly 210 and the connecting air duct assembly 240 into each other at the air inlet 326 to connect the induced air duct 211b and the connecting air duct, the air duct connection method of the refrigerator 10 can be simplified and the assembly efficiency can be improved. , and there is no need to take into account the assembly accuracy between the air duct assembly 210 and the air inlet 326, nor the assembly accuracy between the connecting air duct assembly 240 and the air inlet 326.

By now, those skilled in the art will appreciate that, although a number of exemplary embodiments of the present invention have been shown and described in detail herein, the disclosed embodiments may still be practiced in accordance with the present invention without departing from the spirit and scope of the present invention. The content directly identifies or leads to many other variations or modifications consistent with the principles of the invention. Accordingly, the scope of the present invention should be understood and deemed to cover all such other variations or modifications.

Claims

A refrigerator including:

The inner tank has an air outlet on it;

An air duct assembly is located inside the liner and has an air duct connected to the air inlet; and

A connecting air duct assembly is located outside the liner, and has a connecting air duct connected to the air induction port, for guiding the external airflow of the liner to the air induction duct.
The refrigerator according to claim 1, wherein,

The induced air duct assembly and the connecting air duct assembly are plugged into each other at the air inlet, so that the induced air duct and the connecting air duct are connected.
The refrigerator according to claim 2, wherein,

The induced air duct assembly has an induced air duct housing, the interior of the induced air duct housing defines the induced air duct, and the induced air duct housing is formed with a protrusion toward the outside. The protruding plug-in part;

The connecting air duct assembly has a connecting air duct housing, the inside of the connecting air duct housing defines the connecting air duct, and the connecting air duct housing is correspondingly formed with an inner recessed insert that is recessed toward the inside. The inner concave plug-in part is for the outer convex plug-in part to be inserted into to achieve plug-in fit.
The refrigerator according to claim 3, wherein,

An air inlet connected to the air induction duct is provided on the outer end surface of the convex plug-in part; and

An air supply port is provided on the inner end surface of the recessed plug-in portion, which communicates with the connecting air duct and butts with the air inlet.
The refrigerator according to claim 3, wherein,

The air inlet is a light hole that penetrates the thickness direction of the liner wall of the liner and is used for the convex plug-in part to be inserted and plugged into the concave plug-in part.
The refrigerator according to claim 3, further comprising:

Another liner has an air supply opening on it and is arranged horizontally side by side with the aforementioned liner;

The connecting air duct assembly is clamped between the two inner bags, and the connecting air duct shell is also formed There is a communication port of the connecting air duct, the communication port is connected to the air supply port, and is used to guide the air flow from the air supply port to the connecting air duct.
The refrigerator according to claim 4, wherein,

An elastic member is provided on the air induction duct assembly, and the elastic member is deformably provided on the protruding plug-in part due to force, and avoids the air inlet, and is used for connecting on the protruding plug-in part. When the part is inserted into the recessed plug-in part, it is extruded and deformed, so that the air inlet and the air supply port are sealed and butted together.
The refrigerator according to claim 7, wherein,

The outer end surface of the convex plug-in part and the inner end surface of the concave plug-in part are pressed against each other to form a first extrusion surface; and

The elastic member includes a first annular elastic portion, which is disposed on the first extrusion surface and avoids the air inlet.
The refrigerator according to claim 8, wherein,

The outer peripheral surface of the convex plug-in part and the inner peripheral surface of the concave plug-in part are pressed against each other to form a second extrusion surface; and

The elastic member includes a second annular elastic part that surrounds the second extrusion surface and is fixedly connected to the first annular elastic part or is integrated with the first annular elastic part.
The refrigerator according to claim 7, wherein,

The air duct casing is also formed with a main body connected to the outer protruding plug-in part, and the main body and the liner wall of the outer periphery of the air duct are pressed against each other to form a third extrusion surface. ;and

The elastic member includes a third annular elastic portion disposed on the third pressing surface.