CN220669889U - Refrigerator with a refrigerator body - Google Patents

Abstract

The utility model discloses a refrigerator, relates to the technical field of refrigerators, and aims to solve the problem that the temperature of an independent chamber of the refrigerator cannot be independently adjusted. The refrigerator comprises a refrigerator body, an evaporation chamber and a variable-temperature fan. The box body can comprise a refrigerating chamber, a freezing chamber and an air inlet channel. At least one temperature changing chamber is arranged in the refrigerating chamber, the freezing chamber is positioned at one side of the refrigerating chamber, and the air inlet channel is communicated with the at least one temperature changing chamber and is communicated with the freezing chamber. The evaporator is connected with the box body and is used for providing cold energy for the freezing chamber; the return air channel is used for discharging air in at least one temperature changing chamber to the evaporator; the variable temperature fan can be arranged in one of the air inlet channel and the air return channel. The refrigerator can realize the purpose of independently adjusting the temperature in the temperature changing chamber through the cooperation of the temperature changing fan and the air valve.

Description

Refrigerator with a refrigerator body

Technical Field

The utility model relates to the technical field of refrigerators, in particular to a refrigerator.

Background

Refrigerators are an important share of the market as indispensable electrical products in home life. With the improvement of consumer demand for fresh food quality, the demand for refrigerators is also increasing, and the refrigerators are required to have higher configurations and stronger functions.

At present, a common refrigerator comprises a refrigerator body, wherein a freezing chamber for freezing objects and a refrigerating chamber for refrigerating the objects are arranged in the refrigerator body, and an independent chamber is usually arranged in the refrigerating chamber and is used for storing objects different from other spaces of the refrigerating chamber.

In the related art, the cooling capacity of the independent chamber of the refrigerating chamber is directly from the freezing chamber or the refrigerating chamber, and the temperature in the independent chamber can be changed along with the temperature of the freezing chamber or the refrigerating chamber, so that the independent chamber cannot be independently regulated. Therefore, the related art refrigerator has a problem in that the temperature of the independent chamber cannot be independently adjusted.

Disclosure of Invention

The embodiment of the utility model provides a refrigerator, which solves the problem that drawers cannot be independently adjusted.

In order to achieve the above purpose, the embodiment of the present utility model adopts the following technical scheme:

the embodiment of the application provides a refrigerator, which comprises a refrigerator body, an evaporation chamber and a variable-temperature fan. The cabinet may include a refrigerating compartment, a freezing compartment, and an air inlet passage. At least one temperature changing chamber is arranged in the refrigerating chamber, the freezing chamber is positioned at one side of the refrigerating chamber, and the air inlet channel is communicated with the at least one temperature changing chamber and is communicated with the freezing chamber. The evaporator is connected with the box body and is used for providing cold energy for the freezing chamber; the return air channel is used for discharging air in at least one temperature changing chamber to the evaporator; the variable temperature fan can be arranged in one of the air inlet channel and the air return channel. The temperature changing fan can be arranged in the air inlet channel and used for sending cold air in the refrigerating chamber into at least one temperature changing chamber through the air inlet channel and enabling the air in the at least one temperature changing chamber to return to the evaporator through the return air channel; the temperature changing fan can be arranged in the air return channel and used for sending air in at least one temperature changing chamber back to the evaporator through the air return channel, and cold air in the freezing chamber can enter the at least one temperature changing chamber through the air inlet channel.

The refrigerator that this application embodiment provided can utilize the air inlet passageway to provide cold air for the alternating temperature room, can also utilize the return air passageway to discharge the air in alternating temperature room to the evaporimeter department.

Under the condition that the variable temperature fan is arranged in the air inlet channel, the variable temperature fan is started to operate according to the temperature required to be reached in the variable temperature chamber, pressure difference is generated in the operation process of the variable temperature fan, cold air in the freezing chamber is extracted, and the cold air is blown into the air inlet channel, so that air is blown into the variable temperature chamber through the air inlet channel. After the cold air enters the temperature changing chamber, the air pressure in the temperature changing chamber rises, the original air in the temperature changing chamber can be discharged to the evaporator along the return air channel under the action of pressure, so that the cold air is continuously conveyed into the temperature changing chamber, and when the temperature changing chamber reaches the required temperature, the temperature changing fan stops running.

In addition, under the condition that the temperature changing fan is arranged in the return air channel, the temperature changing fan is started to operate according to the temperature required to be reached in the temperature changing chamber, the temperature changing fan discharges air in the temperature changing chamber to the evaporator through the return air channel, a pressure difference is formed between the temperature changing chamber and the refrigerating chamber (the air pressure in the temperature changing chamber is smaller than the air pressure in the refrigerating chamber), cold air in the refrigerating chamber can be conveyed to the temperature changing chamber along the air inlet channel due to the existence of the pressure difference, so that the cold air is continuously conveyed to the temperature changing chamber, and when the temperature changing chamber reaches the required temperature, the temperature changing fan stops operating. Therefore, the refrigerator provided by the embodiment of the application can control the cold quantity input into the temperature changer through the operation of the temperature changing fan, so that the temperature in the temperature changing chamber can be independently adjusted.

In some embodiments, the refrigerator further comprises a heat insulating layer surrounding the temperature changing compartment, at least one of the air inlet channel and the air return channel being formed in the heat insulating layer.

In some embodiments, the outer side surface of the heat preservation layer is provided with an air supply inlet communicated with the air inlet channel and an air return outlet communicated with the air return channel; the inner side of the heat preservation layer is provided with an air supply outlet communicated with the air inlet channel and an air return inlet communicated with the air return channel. The side wall of the freezing chamber adjacent to the refrigerating chamber is provided with a first air supply opening, and the side wall of the refrigerating chamber adjacent to the freezing chamber is provided with a second air supply opening communicated with the first air supply opening. The temperature changing chamber is provided with an inlet channel communicated with the air supply outlet and an outlet communicated with the return air inlet. The air supply inlet is communicated with the second air supply opening, and the return air outlet is arranged adjacent to the evaporator.

In some embodiments, the refrigerator further comprises an air valve provided at an air inlet end of the air inlet channel for conducting or closing the air inlet channel and regulating the flow of cold air from the freezer compartment into the at least one temperature change chamber.

In some embodiments, the damper may be disposed in a side wall of the freezer compartment adjacent to the fresh food compartment or in a side wall of the fresh food compartment adjacent to the freezer compartment.

In some embodiments, the refrigerator further comprises at least one drawer, the temperature change chamber being provided with a pull-out opening towards the door opening of the refrigeration chamber; the drawer is drawably arranged in the temperature changing chamber and can enter and exit the temperature changing chamber from the drawing port; at least one drawer is arranged in one temperature changing chamber.

In some embodiments, the insulating layer includes a shielding portion and a body portion. The shielding part is arranged at the top of the variable-temperature chamber; the main body part and the shielding part define a containing cavity, the temperature changing chamber is arranged in the containing cavity, and one side of the containing cavity facing the door opening of the refrigerating chamber is provided with an inlet and an outlet for the temperature changing chamber to enter and exit. The refrigerator also comprises a cover plate, wherein the cover plate covers the shielding part and is connected with the main body part and/or the temperature changing chamber.

In some embodiments, the main body part is provided with a first positioning part, the temperature changing chamber is provided with a second positioning part at one side close to and/or far away from the freezing chamber, one of the first positioning part and the second positioning part is a protruding part, and the other is an avoiding part matched with the protruding part in a concave-convex way.

In some embodiments, the first positioning portion and the second positioning portion each extend along a depth direction of the accommodating chamber, and the first positioning portion and the second positioning portion are capable of sliding relative to each other in the depth direction of the accommodating chamber.

The embodiment of the application also provides a refrigerator, which comprises a refrigerator body, an evaporation chamber and a variable-temperature fan. The cabinet may include a refrigerating compartment, a freezing compartment, and an air inlet passage. At least one temperature changing chamber is arranged in the refrigerating chamber, the freezing chamber is positioned at one side of the refrigerating chamber, and the air inlet channel is communicated with the at least one temperature changing chamber and is communicated with the freezing chamber. The evaporator is connected with the box body and is used for providing cold energy for the freezing chamber; the return air channel is used for discharging air in at least one temperature changing chamber to the evaporator; the variable temperature fan is connected with the box body; the temperature-changing fan is used for sending cold air in the refrigerating chamber to at least one temperature-changing chamber through the air inlet channel, or is used for sending air in at least one temperature-changing chamber back to the evaporator through the air return channel.

Drawings

Fig. 1 is a schematic structural diagram of a refrigerator according to an embodiment of the present disclosure;

FIG. 2 is a second schematic structural diagram of a refrigerator according to an embodiment of the present disclosure;

fig. 3 is one of sectional views of a refrigerator provided in an embodiment of the present application;

FIG. 4 is a second cross-sectional view of a refrigerator according to an embodiment of the present application;

FIG. 5 is an exploded view of a temperature changing compartment and a thermal insulation layer in a refrigerator according to an embodiment of the present application;

FIG. 6 is an enlarged view of FIG. 5A of the embodiment of the present application;

FIG. 7 is a second explosion diagram of a temperature changing chamber and a heat insulating layer in a refrigerator according to an embodiment of the present disclosure;

fig. 8 is a schematic structural diagram of a temperature changing chamber and a heat insulating layer in a refrigerator according to an embodiment of the present application;

FIG. 9 is a third exploded view of a temperature change layer and a thermal insulation layer in a refrigerator according to an embodiment of the present disclosure;

fig. 10 is a schematic structural diagram of an insulation layer in a refrigerator according to an embodiment of the present disclosure;

FIG. 11 is a third cross-sectional view of a refrigerator provided in an embodiment of the present application;

FIG. 12 is a fourth exploded view of a temperature changing compartment and a thermal insulation layer in a refrigerator according to an embodiment of the present application;

fig. 13 is one of sectional views of a temperature changing chamber and a heat insulating layer in a refrigerator according to an embodiment of the present application;

FIG. 14 is a fifth explosion diagram of a temperature changing chamber and a heat insulating layer in a refrigerator according to an embodiment of the present application;

FIG. 15 is a second cross-sectional view of a temperature changing compartment and a thermal insulation layer in a refrigerator according to an embodiment of the present application;

FIG. 16 is an enlarged view of FIG. 12B in accordance with an embodiment of the present application;

fig. 17 is an enlarged view of fig. 12C in the embodiment of the present application.

Reference numerals:

1. a refrigerator; 11. a case; 111. a refrigerating chamber; 1111. a second air supply port; 112. a freezing chamber; 1121. a first air supply port; 113. a temperature changing chamber; 1131. an inlet channel; 1132. an outlet; 1133. a drawing port; 1134. a first mounting surface; 1135. a second mounting surface; 1136. a second positioning portion; 114. an air supply pipe; 2. an air inlet channel; 3. a return air channel; 4. a variable temperature fan; 5. a heat preservation layer; 51. an air supply inlet; 52. a return air outlet; 53. an air supply outlet; 54. a return air inlet; 55. a return air plate; 56. a shielding part; 57. a main body portion; 571. a first positioning portion; 58. a receiving chamber; 6. an air valve; 7. a drawer; 71. a flow hole; 72. a rotating wheel; 73. a slide rail; 74. a rotating wheel; 75. a guide rail; 751. a limiting block; 8. and a cover plate.

Detailed Description

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

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

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. In addition, when describing a pipeline or channel, "connected" and "connected" as used herein have the meaning of conducting. The specific meaning is to be understood in conjunction with the context.

In the embodiments of the present application, words such as "exemplary" or "such as" are used to mean serving as examples, illustrations, or descriptions. Any embodiment or design described herein as "exemplary" or "for example" should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion.

The refrigerator includes a cabinet having a refrigerating chamber and a freezing chamber formed therein, a freezing chamber for freezing articles and a refrigerating chamber for refrigerating articles being provided in the cabinet, and an independent chamber for storing articles different from other spaces of the refrigerating chamber being generally provided in the refrigerating chamber.

In the related art, a refrigerator uses a freezing chamber or a refrigerating chamber to deliver cool air into an independent chamber, thereby providing cool air to the independent chamber, and the temperature in the independent chamber may be changed with the temperature of the freezing chamber or the refrigerating chamber, and cannot be independently adjusted.

The inventors have found that there is a large difference between the ambient temperature return required for the items stored in the separate chambers and the temperature in the freezer or refrigerator compartments. However, the refrigerator in the related art cannot independently adjust the temperature in the independent chamber, which results in that the articles stored in the independent chamber cannot be stored at the required ambient temperature, resulting in poor refrigerating or freezing effect of the articles stored in the independent chamber.

Based on this, the embodiment of the present application provides a refrigerator 1, as shown in fig. 1, fig. 1 is a schematic structural diagram of the refrigerator 1 provided in the embodiment of the present application, the refrigerator 1 includes a box 11 and a door (not shown in the figure), and the box 11 is a hollow cuboid with an open side. The case 11 includes a refrigerating chamber 111 provided in the case 11 and a freezing chamber 112 provided at one side of the refrigerating chamber 111, and the opening direction of the refrigerating chamber 111 and the opening direction of the freezing chamber 112 are both identical, and the depth direction of the freezing chamber 112 and the depth direction of the refrigerating chamber 111 are parallel to each other. The refrigerating chamber 111 is surrounded by a refrigerating liner, the arrangement of the refrigerating liner can ensure the tightness of the refrigerating chamber 111 after the door body is closed, and likewise, the freezing chamber 112 is surrounded by a freezing liner, and the arrangement of the freezing liner can ensure the tightness of the freezing chamber 112.

The door body is disposed at the opening of the case 11, and is hinged to the case 11, and the door body is not described in detail in this embodiment and is not shown in the drawings because the connection between the door body and the case 11 is a conventional technical means well known to those skilled in the art.

In order to be able to store different kinds of articles, the refrigerator 1 according to the embodiment of the present application is provided with at least one temperature changing chamber 113 in the refrigerating chamber 111, the temperature changing chamber 113 can store different kinds of articles with other areas in the refrigerating chamber 111, and the temperature in the temperature changing chamber 113 can be adjusted according to the temperature required for storing the articles. It is understood that the articles mentioned in the embodiments of the present application may be food materials, medicines, drinks, beverages, and the like that need to be refrigerated or frozen.

Illustratively, as shown in fig. 1, the number of the temperature changing chambers 113 is one, and the temperature changing chambers 113 are located at the bottom of the refrigerating chamber 111, and the bottom wall of the refrigerating chamber 111 forms a support for the temperature changing chambers 113, so that the stability of the temperature changing chambers 113 is improved.

As shown in fig. 2, fig. 2 is a schematic diagram of a refrigerator 1 according to an embodiment of the present application, in which the number of temperature change chambers 113 is two, one temperature change chamber 113 is located at the bottom of the refrigerating chamber 111, and is a first temperature change chamber 113, and the other temperature change chamber 113 is a second temperature change chamber 113, and the second temperature change chamber 113 is located at a side of the first temperature change chamber 113 away from the bottom of the refrigerating chamber 111, and the bottom of one temperature change chamber 113 is fixedly connected with the top of the other temperature change chamber 113.

It can be understood that the number of the temperature changing chambers 113 in the refrigerator 1 provided in the embodiment of the present application may be one or more, and the temperatures in different temperature changing chambers 113 may be adjusted separately or simultaneously. The refrigerator 1 provided in the present application will be described below by taking one temperature changing chamber 113 as an example.

As shown in fig. 3, fig. 3 is one of cross-sectional views of a refrigerator 1 provided in an embodiment of the present application, in order to deliver cool air into a temperature changing chamber 113, the refrigerator 1 may include an air inlet passage 2 and an air return passage 3. The air intake passage 2 communicates with the variable temperature chamber 113 and communicates with the freezing chamber 112 (see fig. 1), and the air intake passage 2 provides a circulation passage for cool air flowing into the variable temperature chamber 113. The return air channel 3 is communicated with the temperature changing chamber 113, the air inlet channel 2 is positioned on one side (side A in figure 1) of the return air channel 3 near the bottom of the box 11, and the return air channel 3 provides a circulation channel for air in the temperature changing chamber 113 to flow out.

With continued reference to fig. 1 and 3, the refrigerator 1 provided in the embodiment of the present application further includes an evaporator (not shown) connected to the case 11. The evaporator is used for providing cold energy for the freezing chamber 112, air in the freezing chamber 112 can enter the temperature changing chamber 113 through the air inlet channel 2, and air in the temperature changing chamber 113 can be discharged to the evaporator through the air return channel 3. The evaporator may cool the air discharged from the temperature changing chamber 113, and the cooled air may enter the freezing chamber 112 to provide cooling capacity for the freezing chamber 112.

Wherein the evaporator may be located within the freezer compartment 112 or may be located within a separate evaporation chamber. In the case where the evaporator is located in the freezing chamber 112, heat may be directly exchanged with air in the freezing chamber 112, thereby providing cooling capacity for the freezing chamber 112. In the case that the evaporator is located in the independent evaporation chamber, the refrigerator 1 provided in the embodiment of the present application may further include a refrigeration temperature-changing fan 4, where the refrigeration temperature-changing fan 4 is used to convey cold air in the evaporation chamber into the freezing chamber 112, so that the evaporator can provide cold energy for the freezing chamber 112.

The refrigerator 1 that this application embodiment provided still includes alternating temperature fan 4, and alternating temperature fan 4 is connected with box 11, and alternating temperature fan 4 is different with foretell refrigeration alternating temperature fan 4. The temperature-changing fan 4 generates pressure difference in the operation process, and can extract cold air in the freezing chamber 112 and blow the cold air into the air inlet channel 2, so that the air is blown into the temperature-changing chamber 113 through the air inlet channel 2. In the process, the air pressure in the temperature changing chamber 113 rises, the original air in the temperature changing chamber 113 can be discharged to the evaporator along the return air channel 3 under the pressure effect, so that the cold air is continuously conveyed into the temperature changing chamber 113, and when the temperature changing chamber 113 reaches the required temperature, the temperature changing fan 4 stops running.

In addition, the temperature changing fan 4 can also extract air in the temperature changing chamber 113 in the operation process, and blow the air into the return air channel 3, so that the air in the temperature changing chamber 113 is discharged to the evaporator. In this process, the air pressure in the temperature changing chamber 113 is reduced, and the cold air in the freezing chamber 112 enters the freezing chamber 112 along the air inlet channel 2 under the pressure effect, so that the cold air is continuously conveyed into the temperature changing chamber 113, and when the temperature changing chamber 113 reaches the required temperature, the temperature changing fan 4 stops running.

Of course, the temperature-changing fan 4 can also adjust the speed of the cold air in the freezing chamber 112 entering the temperature-changing chamber 113 through the rotating speed, so as to adjust the time for the temperature-changing chamber 113 to reach the required temperature.

It should be noted that, the start-stop control and the rotation speed control of the temperature-changing fan 4 are conventional technical means well known to those skilled in the art, and are not described herein.

It will be appreciated that the variable temperature fan 4 may be mounted within the freezer compartment 112, within the variable temperature compartment 113, within one of the inlet and return air passages 2, 3, and at the evaporator.

In some embodiments, the temperature changing fan 4 is arranged in one of the air inlet channel 2 and the air return channel 3, and cold air in the freezing chamber 112 is conveyed into the temperature changing chamber 113 along the air inlet pipeline by the pressure difference generated in the operation process of the temperature changing fan 4, and meanwhile, the operation time of the temperature changing fan 4 is controlled to control the cold energy entering the temperature changing chamber 113, so that the temperature of the temperature changing chamber 113 can be adjusted, and the required temperature of the temperature changing chamber 113 can be more accurate. In addition, the temperature-changing fan 4 is arranged in one of the air inlet channel 2 and the air return channel 3, so that the space of the freezing chamber 112 or the refrigerating chamber 111 is not occupied, and the storage space of the refrigerator 1 can be increased.

The temperature changing fan 4 is disposed in the air inlet channel 2 and is located at a side of the air inlet channel 2 near the freezing chamber 112, and is used for sending cold air in the freezing chamber 112 into the temperature changing chamber 113 through the air inlet channel 2, and enabling the air in the temperature changing chamber 113 to return to the evaporator through the air return channel 3, where the temperature changing fan 4 and a side wall of the air inlet channel 2 may be fixedly connected or detachably connected, and in this embodiment, the invention is not limited.

In the process of adjusting the temperature of the temperature changing chamber 113, the temperature changing fan 4 is started to operate, pressure difference is generated in the operation process of the temperature changing fan 4, cold air in the freezing chamber 112 is extracted to enter the air inlet channel 2 and is fed into the temperature changing chamber 113 along the air inlet channel 2, air in the temperature changing chamber 113 is discharged along the air return channel 3 and is discharged to the evaporation chamber along the air return channel 3, and when the temperature changing chamber 113 reaches a required temperature chamber, the temperature changing fan 4 stops operating.

In some embodiments, the temperature-changing fan 4 is disposed in the return air channel 3, and can extract air in the temperature-changing chamber 113 to be conveyed to the evaporator along the return air channel 3, and cold air in the freezing chamber 112 can enter at least one temperature-changing chamber 113 through the air inlet channel 2, and the temperature-changing fan 4 and the side wall of the return air channel 3 can be fixedly connected or detachably connected, which is not limited in this embodiment.

In the process of adjusting the temperature of the temperature changing chamber 113, the temperature changing fan 4 is started to operate, the temperature changing fan 4 discharges air in the temperature changing chamber 113 to the evaporator through the return air channel 3, a pressure difference is formed between the temperature changing chamber 113 and the freezing chamber 112, cold air in the freezing chamber 112 is conveyed to the temperature changing chamber 113 along the air inlet channel 2, and when the temperature changing chamber 113 reaches a required temperature chamber, the temperature changing fan 4 stops operating.

In other embodiments, the temperature changing fan 4 may be located at other positions of the box 11, and only needs to enable the cold air in the freezing chamber 112 to enter the temperature changing chamber 113, and the air in the temperature changing chamber 113 flows to the evaporator, so that the temperature of the temperature changing chamber 113 is changed.

As shown in fig. 4, fig. 4 is a second cross-sectional view of the refrigerator 1 provided in the embodiment of the present application, the temperature changing fan 4 may be located in the freezing chamber 112, where an air inlet of the temperature changing fan 4 faces the freezing chamber 112, and an air outlet of the temperature changing fan 4 is connected with the air inlet channel 2.

As shown in fig. 5 and fig. 6, fig. 5 is one of the explosion diagrams of the temperature changing chamber 113 and the heat insulation layer 5 in the refrigerator 1 provided by the embodiment of the present application, fig. 6 is an enlarged diagram of the position a in fig. 5 of the embodiment of the present application, the temperature changing fan 4 may be located in the temperature changing chamber 113, at this time, the air inlet of the temperature changing fan 4 is connected with the air inlet channel 2, and the air outlet of the temperature changing fan 4 faces into the temperature changing chamber 113.

As shown in fig. 7, fig. 7 is a second explosion diagram of the temperature changing chamber 113 and the heat insulation layer 5 in the refrigerator 1 provided by the embodiment of the present application, the temperature changing fan 4 may be located in the temperature changing chamber 113, an air outlet of the temperature changing fan 4 is communicated with the air return channel 3, and an air inlet of the temperature changing fan 4 faces into the temperature changing chamber 113.

As shown in fig. 8, fig. 8 is a schematic structural diagram of a temperature changing chamber 113 and an insulation layer 5 in a refrigerator 1 provided in the embodiment of the present application, a temperature changing fan 4 may be disposed at an evaporator, an air inlet of the temperature changing fan 4 is communicated with a return air channel 3, and an air outlet of the temperature changing fan 4 faces the evaporator.

As shown in fig. 9, fig. 9 is a third exploded view of the temperature changing layer and the heat insulating layer 5 in the refrigerator 1 provided in the embodiment of the present application, referring to fig. 1 and fig. 9, in some embodiments, the refrigerator 1 further includes the heat insulating layer 5, the heat insulating layer 5 wraps the temperature changing chamber 113, and the heat insulating layer 5 is located in the refrigerating chamber 111. The heat preservation layer 5 can play a role in heat preservation for the temperature changing chamber 113, and is beneficial to keeping the temperature in the temperature changing chamber 113. The outside of heat preservation 5 is laminated with the inboard of walk-in 111, and heat preservation 5 and walk-in 111 fixed connection, and at least one of air inlet channel 2 and return air passageway 3 forms in heat preservation 5, can avoid cold energy to run off through air inlet channel 2 and/or return air passageway 3 like this.

It can be understood that only the air inlet channel 2 is formed in the heat insulation layer 5, and the heat insulation layer 5 is provided with an air supply groove or an air supply hole. When the heat preservation layer 5 is provided with an air supply groove, the outer side wall of the temperature changing chamber 113 shields the opening of the air supply groove, so that the air supply groove forms an air inlet channel 2; when the heat preservation layer 5 is provided with the air supply hole, one opening of the air supply hole is blocked by the inner side of the refrigerating chamber 111, and the other opening of the air supply hole is blocked by the temperature changing chamber 113, so that the air supply hole forms the air inlet channel 2.

Only the return air channel 3 is formed under the condition of the heat preservation layer 5, the heat preservation layer 5 is provided with a return air groove, the opening of the return air groove is shielded by the temperature changing chamber 113, and a cavity between the temperature changing chamber 113 and the heat preservation layer 5 forms the return air channel 3. The air inlet channel 2 and the air return channel 3 are formed in the heat insulation layer 5 in the same mode as the case that only the air inlet channel 2 is formed in the heat insulation layer 5 and the case that only the air return channel 3 is formed in the heat insulation layer 5.

When the air inlet channel 2 and the air return channel 3 are formed in the heat preservation layer 5, an independent channel does not need to be arranged for supplying air to the temperature changing chamber 113, so that the space of the temperature changing chamber 113 is increased, and the space utilization rate is improved.

As shown in fig. 10, fig. 10 is a schematic structural diagram of an insulation layer 5 in a refrigerator 1 provided in this embodiment of the present application, an air supply inlet 51 communicating with an air inlet channel 2 and an air return outlet 52 communicating with an air return channel 3 are provided on an outer side surface of the insulation layer 5 (see fig. 3), the air supply inlet 51 is located on a side of the insulation layer 5 near a freezing chamber 112, the air return outlet 52 is located on a side of the insulation layer 5 far away from an opening, and the air supply inlet 51 is located on a side of the air return outlet 52 far away from a bottom of the box 11.

The inner side of the heat preservation layer 5 is provided with an air supply outlet 53 communicated with the air inlet channel 2 and an air return inlet 54 communicated with the air return channel 3, and the air supply outlet 53 is positioned on one side of the air return inlet 54 far away from the bottom of the box 11.

As shown in fig. 11, fig. 11 is a third cross-sectional view of the refrigerator 1 provided in the embodiment of the present application, a first air supply port 1121 is provided on a side wall of the freezing chamber 112 adjacent to the refrigerating chamber 111, a second air supply port 1111 is provided on a side wall of the refrigerating chamber 111 adjacent to the freezing chamber 112 and is communicated with the first air supply port 1121, and the first air supply port 1121 is opposite to the second air supply port 1111. An air supply pipe 114 is arranged between the freezing chamber 112 and the refrigerating chamber 111, one end of the air supply pipe 114 is opposite to the first air supply port 1121 and is in sealing connection with the freezing chamber 112, the other end of the air supply pipe 114 is opposite to the second air supply port 1111 and is in sealing connection with the refrigerating chamber 111, and an air inlet channel 2 is formed in the air supply pipe 114. The supply air inlet 51 (see fig. 10) communicates with the second supply air outlet 1111, and the return air outlet 52 (see fig. 3) is provided adjacent to the evaporator.

As shown in fig. 12 and 13, fig. 12 is a fourth explosion diagram of the temperature changing chamber 113 and the heat insulation layer 5 in the refrigerator 1 provided in the embodiment of the present application, and fig. 13 is one of sectional views of the temperature changing chamber 113 and the heat insulation layer 5 in the refrigerator 1 provided in the embodiment of the present application, where the temperature changing chamber 113 is provided with an inlet channel 1131 communicating with the air supply outlet 53 and an outlet 1132 communicating with the return air inlet 54. The interface shape of the inlet channel 1131 is trapezoid, the size of the side, close to the opening of the temperature changing chamber 113, of the inlet channel 1131 is smaller than the size of the side, far away from the opening of the temperature changing chamber 113, of the inlet channel 1131, and the trapezoid-shaped arrangement increases the impulse of air flowing to the temperature changing chamber 113 and improves the temperature uniformity of the temperature changing chamber 113. The outlet 1132 is disposed on a side far from the opening of the temperature changing chamber 113, and the outlet 1132 is close to the bottom of the temperature changing chamber 113, and the outlet 1132 is opposite to the return air inlet 54.

In the process of entering the temperature changing chamber 113 from the freezing chamber 112, the cold air enters the air supply pipe 114 from the first air supply port 1121, flows along the air supply pipe 114, flows through the second air supply port 1111 and the air supply inlet 51 to the air intake duct 2, is discharged from the air supply outlet 53 along the air intake duct 2, and flows through the inlet duct 1131 to the temperature changing chamber 113. During the process of flowing the air of the temperature changing chamber 113 from the temperature changing chamber 113 to the evaporator, the air of the temperature changing chamber 113 flows out from the outlet 1132, flows to the return air channel 3 through the return air inlet 54, flows along the return air channel 3, and flows to the evaporator through the return air outlet 52.

As shown in fig. 14, fig. 14 is a fifth explosion diagram of the temperature changing chamber 113 and the heat insulation layer 5 in the refrigerator 1 provided in the embodiment of the present application, in some embodiments, the heat insulation layer 5 is provided with a return air plate 55, the return air outlet 52 is opened at one side of the heat insulation layer 5 far away from the opening of the heat insulation layer 5 and the side wall of the heat insulation layer 5, and the outlets 1132 at two sides are communicated, and the return air plate 55 shields the return air outlet 52 at one side of the heat insulation layer 5 far away from the opening of the heat insulation layer 5 from being fixedly connected with the heat insulation layer 5. The air return plate 55 limits the circulation direction of air, prevents the air flowing out of the air return channel 3 from diffusing all around, and the air flows to the evaporator from the air return outlet 52 on the side wall of the heat insulation layer 5 through the air return channel 3 (see fig. 13), so that the air treatment effect of the evaporator is improved.

As shown in fig. 15, fig. 15 is a second cross-sectional view of the temperature changing chamber 113 and the heat insulation layer 5 in the refrigerator 1 provided in the embodiment of the present application, referring to fig. 11 and fig. 15, in some embodiments, the refrigerator 1 provided in the embodiment of the present application further includes an air valve 6, where the air valve 6 is disposed at an air inlet end of the air inlet channel 2, and is used for conducting or closing the air inlet channel 2 and adjusting the flow rate of cold air entering the at least one temperature changing chamber 113 from the freezing chamber 112, and the air valve 6 is installed in the air supply pipe 114. The air valve 6 is opened, the variable temperature fan 4 starts to operate, the air is directly exhausted from the freezing chamber 112 through the air inlet channel 2, when the variable temperature chamber 113 reaches the required temperature, the air valve 6 is closed, the variable temperature fan 4 stops operating, the air valve 6 and the variable temperature fan 4 are matched for use, and the accuracy of the temperature in the variable temperature chamber 113 is further improved.

In some embodiments, the air valve 6 may be disposed in a side wall of the freezing chamber 112 adjacent to the refrigerating chamber 111, and the air valve 6 may also be disposed in a side wall of the refrigerating chamber 111 adjacent to the freezing chamber 112, where the air valve 6 is detachably connected to the refrigerating chamber 111 or the freezing chamber 112 through a screw, so that a user can clean and repair the air valve 6 conveniently. The installation position of the air valve 6 is only required to be capable of conducting or closing the inlet of the air inlet channel 2.

With continued reference to fig. 12, in some embodiments, the refrigerator 1 provided in the embodiments of the present application further includes at least one drawer 7, where the drawer 7 is used for storing articles and sorting and storing articles of different kinds, the temperature changing chamber 113 is provided with a drawing port 1133 facing the door opening of the refrigerating chamber 111, the number of drawing ports 1133 is the same as the number of drawers 7, and the drawers 7 are drawably provided in the temperature changing chamber 113, and can enter and exit the temperature changing chamber 113 from the drawing port 1133. The number of the drawers 7 is the same as that of the inlet channels 1131, the drawers 7 are in one-to-one correspondence with the inlet channels 1131, the inlet channels 1131 are positioned at the opening of the drawers 7, and cold air blown out by the inlet channels 1131 flows into the temperature changing chamber 113 from different positions, so that the uniformity of the temperature changing chamber 113 is further improved, and meanwhile, the temperature adjusting efficiency of the temperature changing chamber 113 is also improved.

It is understood that the number of the drawing ports 1133 of the temperature changing chamber 113 may be one or more, and correspondingly, the number of the drawers 7 may be one or more, and the number of the drawing ports 1133 is the same as the number of the drawers 7. For example, as shown in fig. 12, the number of drawing ports 1133 of the temperature changing chamber 113 may be two, and the number of drawers 7 may be two.

In order to enable air in the drawers 7 to circulate quickly, and improve the adjusting effect of the temperature changing chambers 113, in some embodiments, a plurality of circulation holes 71 are formed on two sides of each drawer 7, so that the fluidity of air in the temperature changing chambers 113 is improved, and the temperature adjusting time in the temperature changing chambers 113 is shortened.

Referring to fig. 16, fig. 16 is an enlarged view of a portion B of fig. 12 in the embodiment of the present application, in order to enable the drawer 7 to flexibly enter and exit the temperature changing chamber 113 from the drawing port 1133 (see fig. 12), in some embodiments, rotating wheels 72 are fixedly disposed on both sides of the drawer 7, a sliding rail 73 used in cooperation with the rotating wheels 72 is fixedly disposed on an inner wall of the temperature changing chamber 113, and the rotating wheels 72 are embedded in the sliding rail 73 and can rotate along a length direction of the sliding rail 73. Compared with the relative sliding of the rotating wheel 72 along the length direction of the sliding rail 73, the drawer 7 rotates along the length direction of the sliding rail 73 in the drawing process, sliding friction is converted into rolling friction, friction between the rotating wheel 72 and the sliding rail 73 is reduced, and accordingly the drawer 7 can conveniently enter and exit the temperature changing chamber 113.

As shown in fig. 17, fig. 17 is an enlarged view of the embodiment of fig. 12C, in some embodiments, rotating wheels 74 are fixedly disposed on both inner sides of the temperature changing chamber 113, and guide rails 75 (see fig. 16) for cooperating with the rotating wheels 74 are fixedly disposed on both sides of the drawer 7. During the drawing of the drawer 7, the guide rail 75 moves along with the movement of the drawer 7, the movement of the guide rail 75 will rotate the rotating wheel 74 due to the friction between the guide rail 75 and the rotating wheel 74, and the rotation of the rotating wheel 74 will push the guide rail 75 to move due to the mutual forces. The guide rail 75 and the rotating wheel 74 are matched to form a support for the drawer 7, so that shaking of the drawer 7 in the vertical direction in the drawing process is reduced, and convenience of the drawer 7 in the drawing process is further improved.

With continued reference to fig. 16 and 17, in order to avoid slipping of the drawer 7 during the extraction process, two limiting blocks 751 may be fixedly disposed on one side of the guide rail 75 near the bottom of the temperature changing chamber 113. The two stoppers 751 are located at both ends of the guide rail 75, respectively, and the rotating wheel 74 is located between the two stoppers 751. In the drawing process of the drawer 7, when the rotating wheels 74 are positioned at the limiting blocks 751 at the two ends of the guide rail 75, the limiting blocks 751 can abut against the limiting blocks 751, the rotating wheels 74 can be prevented from being separated from the guide rail 75, and the reliability of the drawer 7 in the drawing process is improved.

Further, when the rotation wheels 74 are abutted against the two stoppers 751, respectively, the drawers 7 are in the open state and the closed state, respectively. The rotating wheel 74 abuts against the limiting block 751, so that the drawer 7 can be stabilized in an open state or a closed state and cannot move continuously, and a user can conveniently withdraw the drawer 7.

When the rotation wheel 74 abuts against the stopper 751, the inner side of the stopper 751 abuts against the outer side of the rotation wheel 74, and the stopper 751 supports the rotation wheel 74 from different directions, thereby preventing the stopper 751 from scratching the rotation wheel 74.

With continued reference to fig. 9, the insulating layer 5 is made of insulating foam, the insulating layer 5 is stepped, and the insulating layer 5 includes a shielding portion 56 and a main body portion 57. The shielding part 56 is arranged at the top of the temperature changing chamber 113, the bottom of the shielding part 56 is attached to the top of the temperature changing chamber 113, the main body part 57 is a hollow shell with openings at the top and the side, and the shielding part 56 can shield the opening at the top of the main body part 57. The main body 57 and the shielding portion 56 define a housing chamber 58, the temperature changing chamber 113 is disposed in the housing chamber 58, the shape of the housing chamber 58 is the same as that of the temperature changing chamber 113, an inlet and outlet 1132 for allowing the temperature changing chamber 113 to enter and exit is provided on a side of the housing chamber 58 facing a door opening of the refrigerating chamber 111, and a direction in which the heat insulating layer 5 extends from the inlet and outlet 1132 in a horizontal direction is a depth direction (as indicated by an arrow direction in fig. 10) of the housing chamber 58. In the process of installing the temperature changing chamber 113 in the accommodating cavity 58, a user can install the temperature changing chamber 113 in the accommodating cavity 58 from the inlet and outlet 1132 of the Rong Naqiang, the temperature changing chamber 113 is completely embedded in the accommodating cavity 58, then the shielding part 56 is installed on the temperature changing chamber 113, and the combined design of the heat insulating layer 5 improves the convenience of installing the temperature changing chamber 113 in the heat insulating layer 5.

The refrigerator 1 further comprises a cover plate 8, the cover plate 8 covers the shielding part 56 and is fixedly connected with the heat preservation layer 5, the cover plate 8 is located on one side, away from the temperature changing chamber 113, of the shielding part 56, the bottom of the cover plate 8 is attached to the top of the shielding part 56, and one side of the cover plate 8 is attached to the side wall of the refrigerating chamber 111. When the heat preservation 5 is installed in the refrigerating chamber 111, the cover plate 8 can shield the heat preservation 5, under the action of the cover plate 8 and the refrigerating chamber 111, the heat preservation 5 can be hidden in a cavity formed by the refrigerating chamber 111 and the cover plate 8, the heat preservation 5 is prevented from being scratched in the using or carrying process of the refrigerator 1, the use of the heat preservation 5 is affected, and the service life of the heat preservation 5 is prolonged.

In some embodiments, the cover plate 8 may be U-shaped, and the cover plate 8 is sleeved on the shielding portion 56 and fixedly connected with the temperature changing chamber 113. In order to enhance the stability of the temperature changing chamber 113 installed in the refrigerating chamber 111, the cover plate 8 may be fixedly connected to the inner wall of the freezing chamber 112 by screws, and the cover plate 8 may be detachably connected by means of the screws, so that the cover plate 8 may be conveniently detached for cleaning and maintenance.

In some embodiments, the main body 57 is provided with a first positioning portion 571, a first mounting surface 1134 is located on a side, adjacent to the freezing chamber 112, of the temperature changing chamber 113, a second mounting surface 1135 is located on a side, away from the freezing chamber 112, of the temperature changing chamber 113, the first mounting surface 1134 and/or the second mounting surface 1135 are provided with a second positioning portion 1136, one of the first positioning portion 571 and the second positioning portion 1136 is a protruding portion, and the other is an avoiding portion in concave-convex fit with the protruding portion.

In other words, when the first positioning portion 571 is a protruding portion, the second positioning portion 1136 is a relief portion, and when the first positioning portion 571 is a protruding portion, the second positioning portion 1136 is a relief portion. The relief portion may be a hole or a groove, and the first positioning portion 571 may be fitted into the second positioning portion 1136 or the second positioning portion 1136 may be fitted into the first positioning portion 571.

It will be appreciated that in some embodiments, the first mounting surface 1134 is provided with the first positioning part 571, and the second positioning part 1136 is mounted on a side of the temperature changing chamber 113 near the first mounting surface 1134, and the number of the first mounting parts and the number of the second mounting parts may be determined according to the size of the temperature changing chamber 113, and the specific number is not limited in this embodiment. In the process of installing the temperature changing chamber 113 in the heat insulating layer 5, a user embeds the first positioning portion 571 in the second positioning portion 1136 or embeds the second positioning portion 1136 in the first positioning portion 571, so that the temperature changing chamber 113 can be stably installed in the heat insulating layer 5, and the installation of the temperature changing chamber 113 is facilitated.

In some embodiments, a first positioning portion 571 is disposed on the second mounting surface 1135, the second positioning portion 1136 is mounted on a side of the temperature changing chamber 113 close to the second mounting surface 1135, the first positioning portion 571 and the second positioning portion 1136 are both provided with a plurality of first positioning portions 571, and the number of the first positioning portions 571 is the same as that of the second positioning portions 1136 and corresponds to one.

In some embodiments, the first mounting surface 1134 and the second mounting surface 1135 are provided with first positioning parts 571, and the side of the temperature changing chamber 113 close to the first mounting surface 1134 and the side of the temperature changing chamber 113 far away from the first mounting surface 1134 are provided with second positioning parts 1136, and the first positioning parts 571 and the second positioning parts 1136 are provided with a plurality of first positioning parts 571 and the second positioning parts 1136 which are the same in number and correspond to each other. The first positioning parts 571 are arranged on the first mounting surface 1134 and the second mounting surface 1135, so that the first positioning parts 571 and the second positioning parts 1136 mutually support in the process of mounting the temperature changing chamber 113 on the heat insulating layer 5, the stability of the temperature changing chamber 113 can be maintained in mounting, and the shaking of the temperature changing chamber 113 is reduced.

In some embodiments, the first positioning portion 571 and the second positioning portion 1136 each extend along the depth direction of the accommodating chamber 58, and the first positioning portion 571 and the second positioning portion 1136 are capable of sliding relative to each other in the depth direction of the accommodating chamber 58.

In the present embodiment, the first positioning portion 571 is taken as a protruding portion, and the second positioning portion 1136 is taken as an avoiding portion for example. One end of the first positioning portion 571 is located on the same vertical plane with the opening end of the accommodating cavity 58, the other end of the first positioning portion 571 is arc-shaped, when the first positioning portion 571 is embedded in the second positioning portion 1136, since the shape of the first positioning portion 571 is arc-shaped, the size of the side face of the first positioning portion 571 is smaller than that of the opening end of the second positioning portion 1136, and the first positioning portion 571 is embedded in the second positioning portion 1136 conveniently.

Thus, when the temperature changing chamber 113 is mounted in the accommodating chamber 58, the temperature changing chamber 113 moves toward the opening near the accommodating chamber 58, one end of the first mounting portion is inserted into the opening of the second mounting portion and slides along the second mounting portion, so that the first mounting portion is gradually embedded in the second mounting portion, and when one side of the first mounting portion away from the opening end of the heat insulating layer 5 is attached to the bottom of the second mounting portion, the second mounting portion supports the first mounting portion, so that the mounting chamber is mounted in the accommodating chamber 58. When the temperature changing chamber 113 is detached from the accommodating chamber 58, the temperature changing chamber 113 moves in a direction away from the accommodating chamber 58, and the first positioning portion 571 moves along the second positioning portion 1136 and gradually retreats from the second mounting portion, thereby completing the detachment of the temperature changing chamber 113 from the heat insulating layer 5.

In some embodiments, the first positioning portion 571 has the same shape as the second positioning portion 1136, and the first mounting portion has the same extension length as the second positioning portion 1136, and after the temperature changing chamber 113 is mounted in the accommodating cavity 58, the first mounting portion is embedded in the second mounting portion, so that the temperature changing chamber 113 is in a relatively sealed state. The extension length of the first positioning part 571 is smaller than the depth of the accommodating cavity 58, so that excessive cavity structures in the heat preservation layer 5 are reduced, the heat preservation effect of the temperature changing chamber 113 is facilitated, and the stability of the heat preservation layer 5 is also facilitated; the extension length of the first positioning portion 571 is greater than half the depth of the accommodating cavity 58, so that when the temperature changing chamber 113 is installed in the heat insulating layer 5, the first positioning portion 571 is conveniently embedded in the second positioning portion 1136 and slides relatively along the second positioning portion 1136, and the temperature changing chamber 113 is prevented from being misplaced after the temperature changing chamber 113 moves in the accommodating cavity 58 for a period of time, and needs to be reinstalled.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (10)

1. A refrigerator, comprising:

the box, the box includes:

the refrigerating chamber is internally provided with at least one temperature changing chamber;

a freezing chamber located at one side of the refrigerating chamber;

the air inlet channel is communicated with the at least one temperature changing chamber and the freezing chamber;

the return air channel is communicated with the at least one temperature changing chamber;

the evaporator is connected with the box body and used for providing cold energy for the freezing chamber, and the return air channel is used for discharging air in the at least one temperature changing chamber to the evaporator;

the variable-temperature fan is arranged in one of the air inlet channel and the air return channel;

the temperature changing fan is arranged in the air inlet channel and used for sending cold air in the refrigerating chamber into the at least one temperature changing chamber through the air inlet channel, and enabling the air in the at least one temperature changing chamber to return to the evaporator through the air return channel;

The temperature changing fan is arranged in the air return channel and is used for sending air in the at least one temperature changing chamber back to the evaporator through the air return channel, and cold air in the freezing chamber can enter the at least one temperature changing chamber through the air inlet channel.

2. The refrigerator of claim 1, further comprising an insulating layer surrounding the temperature change chamber;

at least one of the air inlet channel and the air return channel is formed in the heat insulation layer.

3. The refrigerator according to claim 2, wherein the outer side surface of the heat preservation layer is provided with an air supply inlet communicated with the air inlet channel and an air return outlet communicated with the air return channel;

an air supply outlet communicated with the air inlet channel and an air return inlet communicated with the air return channel are arranged on the inner side surface of the heat preservation layer;

a first air supply opening is formed in the side wall, adjacent to the refrigerating chamber, of the refrigerating chamber, and a second air supply opening communicated with the first air supply opening is formed in the side wall, adjacent to the refrigerating chamber, of the refrigerating chamber;

the temperature changing chamber is provided with an inlet channel communicated with the air supply outlet and an outlet communicated with the return air inlet;

The air supply inlet is communicated with the second air supply opening, and the return air outlet is adjacent to the evaporator.

4. The refrigerator of claim 1, further comprising an air valve provided at an air inlet end of the air inlet passage for conducting or closing the air inlet passage and regulating a flow rate of cold air from the freezing chamber into the at least one variable temperature chamber.

5. The refrigerator of claim 4, wherein said damper is disposed within a sidewall of said freezer compartment adjacent said fresh food compartment; and/or the air valve is arranged in the side wall of the refrigerating chamber adjacent to the freezing chamber.

6. The refrigerator of claim 1, further comprising at least one drawer, wherein the temperature change chamber is provided with a pull opening toward a door opening of the refrigeration chamber; the drawer is drawably arranged in the temperature changing chamber and can enter and exit the temperature changing chamber from the drawing port; at least one drawer is arranged in one temperature changing chamber.

7. A refrigerator according to claim 2, wherein,

the heat preservation layer includes:

the shielding part is arranged at the top of the variable-temperature chamber;

The main body part and the shielding part define a containing cavity, the temperature changing chamber is arranged in the containing cavity, and one side of the containing cavity, facing a door opening of the refrigerating chamber, is provided with an inlet and an outlet for the temperature changing chamber to enter and exit;

the refrigerator further comprises a cover plate, wherein the cover plate covers the shielding part and is connected with the main body part and/or the temperature changing chamber.

8. The refrigerator of claim 7, wherein the main body is provided with a first positioning portion, the temperature changing chamber is provided with a second positioning portion at a side adjacent to and/or far from the freezing chamber, one of the first positioning portion and the second positioning portion is a protruding portion, and the other is an avoiding portion in concave-convex fit with the protruding portion.

9. The refrigerator of claim 8, wherein the first positioning portion and the second positioning portion each extend in a depth direction of the accommodating chamber, and the first positioning portion and the second positioning portion are capable of sliding relatively in the depth direction of the accommodating chamber.

10. A refrigerator, comprising:

the box, the box includes:

the refrigerating chamber is internally provided with at least one temperature changing chamber;

A freezing chamber;

the air inlet channel is communicated with the at least one temperature changing chamber and the freezing chamber;

the air return channel is communicated with the at least one temperature changing chamber;

the evaporator is connected with the box body and used for providing cold energy for the freezing chamber, and the return air channel is used for discharging air in the at least one temperature changing chamber to the evaporator;

the variable-temperature fan is connected with the box body;

the temperature changing fan is used for sending cold air in the refrigerating chamber into at least one temperature changing chamber through the air inlet channel, or is used for sending air in the at least one temperature changing chamber back to the evaporator through the air return channel.