CN218846550U - freezer - Google Patents

Abstract

The application relates to the technical field of refrigeration equipment, and discloses a refrigerator. The freezer includes: an inner container enclosing an internal space; a cover plate located in the internal space and dividing the internal space into a storage chamber and a refrigeration chamber, and the interior of the refrigeration chamber defines a connected evaporator The device compartment and the foreign matter compartment; the evaporator is located in the evaporator compartment; wherein, a vent is opened on the top of the foreign matter compartment, and the foreign matter compartment communicates with the storage compartment through the vent. The air vent is set on the top of the foreign object compartment, so that after the storage chamber or external impurities fall into the refrigeration chamber through the air vent, they will fall into the foreign object chamber, which can prevent foreign matter from falling into the evaporator compartment through the air vent. Furthermore, it is possible to prevent foreign objects from falling into the evaporator and affect the operation of the evaporator, so as to ensure the cooling operation of the refrigerator.

Description

freezer

technical field

The present application relates to the technical field of refrigeration equipment, for example, to a refrigerator.

Background technique

At present, evaporators and compressors are required for refrigeration of refrigerators. There is an evaporator cabin in the cabinet of the refrigerator. Air-cooled refrigeration.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in related technologies:

Since the ventilation opening of the refrigeration chamber is connected with the storage chamber, the foreign matter in the storage chamber can easily enter the evaporator through the ventilation opening, thereby affecting the operation of the evaporator.

Utility model content

In order to provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is presented below. The summary is not intended to be an extensive overview nor to identify key/important elements or to delineate the scope of these embodiments, but rather serves as a prelude to the detailed description that follows.

An embodiment of the present disclosure provides a refrigerator to prevent foreign matter from falling into the evaporator through the vent, thereby ensuring the operation of the evaporator.

An embodiment of the present disclosure provides a refrigerator, which includes: an inner container enclosing an internal space; a cover plate located in the internal space and dividing the internal space into a storage chamber and a refrigeration chamber, the The refrigerating chamber defines a connected evaporator compartment and a foreign matter compartment; the evaporator is located in the evaporator compartment; wherein, a vent is opened on the top of the foreign matter compartment, and the foreign matter compartment and the storage compartment communicate through the vents.

The refrigerator provided by the embodiment of the present disclosure can achieve the following technical effects:

The refrigerating chamber defines the connected evaporator compartment and the foreign matter compartment, that is to say, the airflows of the evaporator compartment and the foreign matter compartment can flow mutually. The vent is located in the foreign matter compartment, and the vent is connected with the storage chamber, so that the air in the storage chamber can flow to the foreign matter compartment through the vent and then to the evaporator compartment. Alternatively, the airflow in the evaporator compartment can flow into the storage cavity through the foreign matter compartment and the vent, so that the air circulation of the air-cooled refrigerator can be achieved. The vent is set on the top of the foreign object compartment, so that after the storage chamber or external impurities fall into the refrigeration cavity through the vent, they will fall into the foreign object chamber, which can prevent foreign matter from falling into the evaporator compartment through the vent. Furthermore, it is possible to prevent foreign objects from falling into the evaporator and affect the operation of the evaporator, so as to ensure the cooling operation of the refrigerator.

The foregoing general description and the following description are exemplary and explanatory only and are not intended to limit the application.

Description of drawings

One or more embodiments are exemplified by the corresponding drawings, and these exemplifications and drawings do not constitute a limitation to the embodiments, and elements with the same reference numerals in the drawings are shown as similar elements, The drawings are not limited to scale and in which:

FIG. 1 is a structural schematic view of a partial perspective of a refrigerator provided by an embodiment of the present disclosure;

Fig. 2 is a structural schematic view of another perspective of a part of the refrigerator provided by an embodiment of the present disclosure;

Fig. 3 is a schematic structural diagram of a cover plate provided by an embodiment of the present disclosure;

Fig. 4 is a schematic structural view of an inner tank provided by an embodiment of the present disclosure;

Fig. 5 is a schematic cross-sectional structure diagram of a partial freezer provided by an embodiment of the present disclosure;

Fig. 6 is a schematic diagram of an enlarged structure of part A in Fig. 5;

Fig. 7 is another schematic cross-sectional structure diagram of a refrigerator part provided by an embodiment of the present disclosure;

Fig. 8 is a schematic cross-sectional structure diagram of an inner tank provided by an embodiment of the present disclosure;

Fig. 9 is a schematic structural diagram of a door body provided by an embodiment of the present disclosure;

Fig. 10 is a schematic diagram of the cooperative structure of an evaporator and a water receiving tray provided by an embodiment of the present disclosure;

Fig. 11 is a schematic structural diagram of a water receiving tray provided by an embodiment of the present disclosure;

Fig. 12 is a schematic diagram of a cooperation structure between a first evaporating fin and a connecting piece provided by an embodiment of the present disclosure;

Fig. 13 is a schematic diagram of another evaporator and a water receiving tray provided by an embodiment of the present disclosure;

FIG. 14 is a schematic diagram of an enlarged structure of part B in FIG. 13 .

Reference signs:

10, inner container; 101, front side wall; 102, rear side wall; 103, left side wall; 104, right side wall; 105, bottom wall; 1051, steps; 106, internal space; 1061, storage cavity; 20 , cover plate; 201, air return port (air vent); 2011, first air return port; 2012, second air return port; 2013, third return air port; 2014, gap; , ventilation hole; 202, top plate; 2021, first plate section; 2022, second plate section; 2023, arc section; 203, side plate; 30, refrigeration chamber; 301, foreign matter compartment; 3011, bottom wall of foreign matter compartment ; 302, evaporator compartment; 3021, first wall section; 3022, second wall section; 3023, limit part; 3024, diversion channel; 3025, boss; 303, drainage hole; 40, evaporator; 401, Evaporating fin; 4011, first evaporating fin; 402, evaporating tube; 403, connector; 4031, first bending part; 4032, second bending part; 404, first screw hole; 50, fan; 501 , air supply duct; 502, air supply port; 5021, first air supply port; 5022, second air supply port; 503, air outlet cover plate; 504, first side wall; 505, second side wall; 506, third Side wall; 60, air guide channel; 601, first air guide channel; 602, second air guide channel; 70, water tray; 701, protrusion; 702, limit slot; 7021, first limit slot; 7022, the second limit slot; 80, the door body.

Detailed ways

In order to understand the characteristics and technical content of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings. The attached drawings are only for reference and description, and are not intended to limit the embodiments of the present disclosure. In the following technical description, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown simplified in order to simplify the drawings.

The terms "first", "second" and the like in the description and claims of the embodiments of the present disclosure and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. It should be understood that the data so used may be interchanged under appropriate circumstances so as to facilitate the embodiments of the disclosed embodiments described herein. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion.

In the embodiments of the present disclosure, the orientations or positional relationships indicated by the terms "upper", "lower", "inner", "middle", "outer", "front", "rear" etc. are based on the orientations or positional relationships shown in the drawings. Positional relationship. These terms are mainly used to better describe the embodiments of the present disclosure and their implementations, and are not used to limit that the indicated devices, elements or components must have a specific orientation, or be constructed and operated in a specific orientation. Moreover, some of the above terms may be used to indicate other meanings besides orientation or positional relationship, for example, the term "upper" may also be used to indicate a certain attachment relationship or connection relationship in some cases. Those skilled in the art can understand the specific meanings of these terms in the embodiments of the present disclosure according to specific situations.

In addition, the terms "setting", "connecting" and "fixing" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediary, or two devices, components or Internal connectivity between components. Those skilled in the art can understand the specific meanings of the above terms in the embodiments of the present disclosure according to specific situations.

Unless stated otherwise, the term "plurality" means two or more.

The term "and/or" is an associative relationship describing objects, indicating that there can be three relationships. For example, A and/or B means: A or B, or, A and B, these three relationships.

It should be noted that, in the case of no conflict, the embodiments and the features in the embodiments of the present disclosure may be combined with each other.

In FIG. 1 , the thick arrows indicate the flow direction of the airflow from the first air outlet 5021 , the dotted arrows indicate the flow direction of the airflow from the second air outlet 5022 , and the thin arrows indicate the flow direction of the airflow from the return air outlet 201 . The arrows in FIG. 6 indicate the air flow directions of the three air return ports 201 .

As shown in FIGS. 1 to 14 , an embodiment of the present disclosure provides a refrigerator, especially an air-cooled refrigerator, and specifically an air-cooled horizontal refrigerator. The refrigerator includes a box body and a door body 80, and the door body 80 is movably located above the box body. The box body includes a box shell, an inner liner 10 and a foam layer, the liner 10 is located inside the box shell, and the foam layer is located between the box shell and the inner liner 10 . Optionally, the foam layer is an insulating material.

As shown in FIG. 2 , the liner 10 includes a bottom wall 105 and side walls, and the side walls include a front side wall 101 , a rear side wall 102 , a left side wall 103 and a right side wall 104 . The front side wall 101 and the rear side wall 102 are oppositely disposed, and are respectively located at the front and rear ends of the bottom wall 105 , and both the front side wall 101 and the rear side wall 102 extend upward. The left side wall 103 and the right side wall 104 are oppositely disposed, and the left side wall 103 and the right side wall 104 are respectively located at the left and right ends of the bottom wall 105 and extend upward. The bottom wall 105 , the front side wall 101 , the rear side wall 102 , the left side wall 103 and the right side wall 104 jointly enclose an internal space 106 . The inner space 106 has an opening, the opening is upward, and the door body 80 is movably covered above the opening.

For the convenience of description, the present application defines the front-back direction as the width direction, and the left-right direction as the length direction.

An embodiment of the present disclosure provides a refrigerator. As shown in FIG. 1 and FIG. 2 , the liner 10 includes a first side wall 504 and a second side wall 505 oppositely arranged, and the first side wall 504 and the second side wall 505 are along the inner The tube 10 is arranged in the width direction, and the first side wall 504 defines an air supply channel 501 with an air supply opening 502 . Here, the first side wall 504 and the second side wall 505 are arranged along the width direction of the liner 10, that is to say, the first side wall 504 can be the rear side wall 102 or the front side wall 101, and correspondingly, the second side wall 505 may be the front side wall 101 or the rear side wall 102 . It can be understood that: one of the front side wall 101 and the rear side wall 102 defines an air supply duct 501 having an air supply opening 502 . In this way, the air out of the inner space 106 can be realized, and then the air cooling can be realized.

Optionally, the cover plate 20 is located in the interior space 106, and divides the interior space 106 into a refrigeration cavity 30 and a storage cavity 1061, and the cover plate 20 configures a return air outlet 201 communicating with the refrigeration cavity 30, wherein the refrigeration cavity 30 It communicates with the storage chamber 1061 through the air return port 201, the air outlet of the refrigeration chamber 30 communicates with the air inlet of the air supply duct 501, and an air supply port 502 is arranged in the storage chamber 30 so that the airflow of the refrigeration chamber 30 passes through The air supply duct 501 and the air supply port 502 flow into the storage chamber 1061 for heat exchange for cooling, and the air flow after heat exchange flows back into the refrigeration chamber 30 through the air return port 201 . Here, the storage chamber 1061 is used to hold items that need to be frozen, such as meat, seafood or tea. The refrigerating chamber 30 is used to generate a refrigerating air flow. The refrigerating air flow can flow from the refrigerating chamber 30 to the air supply duct 501, and flow into the storage chamber 1061 from the air supply port 502. After exchanging heat with objects in the storage chamber 1061, the refrigerating air flow can be The air flows back into the cooling cavity 30 for recooling, and the cooled air flows to the air supply duct 501 for circulation. In this way, the air circuit circulation of the refrigerator is realized, and the air-cooled refrigeration of the refrigerator is realized. Optionally, the distance between the air return port 201 and the first side wall 504 is greater than the distance between the air return port 201 and the second side wall 505 . In this embodiment, the first side wall 504 is provided with an air supply port 502 , and the air return port 201 is close to the second side wall 505 , so that the airflow from the air supply port 502 can flow back and forth to the return air port 201 along the front and rear directions. In this way, the air flow rate in the front and rear direction (width direction) of the refrigerator is increased, and the air flow area is increased, thereby improving the temperature uniformity in the inner space 106 .

Optionally, the cover plate 20 can be in various shapes, such as L-shaped, inclined and so on. The refrigeration cavity 30 can also be of various shapes and located in different positions of the inner space 106 . For example, the refrigerating chamber 30 may be located at the left, middle or right end of the inner space 106 . In practical applications, the refrigerating chamber 30 and the storage chamber 1061 may be arranged according to the structure of the inner space 106 of the refrigerator.

It can be understood that the cover plate 20 is disposed in the inner space of the liner, thereby separating a relatively independent refrigeration cavity 30, which facilitates the installation of refrigeration components. Optionally, the refrigeration component may be an evaporator, a fan, and the like.

Optionally, the refrigeration chamber 30 extends along the width direction of the inner container 10, which not only facilitates the setting of the air return port 201 close to the second side wall 505, but also facilitates the connection between the refrigeration chamber 30 and the air supply duct 501 of the first side wall 504. connected. Optionally, the cover plate 20 extends along the width direction of the liner 10, and one end of the cover plate 20 is connected to the first side wall 504, and the other end of the cover plate 20 is connected to the second side wall 505, which facilitates the cooling chamber 30 Stable setting and communication with the air supply duct 501.

Optionally, the refrigerator further includes an evaporator 40 located in the refrigeration chamber 30 for cooling the airflow in the refrigeration chamber 30 . The refrigeration chamber 30, the air supply duct 501 and the storage chamber 1061 together form a circulation air passage. The refrigerator also includes a fan 50, which is located in the air supply chamber and/or the refrigeration chamber 30, and the fan 50 is used to drive air flow in the circulation air path.

Optionally, the fan 50 is located in the air supply duct 501 . Here, the fan 50 is located in the air supply duct 501, that is to say, the fan 50 and the air supply duct 501 are on the same side, and the airflow flowing out of the fan 50 will not pass through corners etc. in the process of flowing to the air supply duct 501. In this way, the air flow resistance in the air supply duct 501 is small, the loss of air volume is small, the potential energy consumption is small, and the air supply can be made smoother and more uniform. Moreover, it can reduce the requirements on the refrigerator system and reduce the cost.

Optionally, the side wall includes a side wall body and an air outlet cover 503. As shown in FIG. The duct 501 and the air outlet cover 503 are covered on the side of the air supply duct 501 facing the inner space 106 , and the air outlet cover 503 forms the air outlet 502 . Specifically, in the present application, when the first side wall 504 defines the air supply duct 501 , the first side wall 504 includes the first side wall body and the air outlet cover 503 , and the first side wall body faces away from the inner space 106 The direction protrudes to form the air supply duct 501. The air outlet cover 503 covers the side of the air supply duct 501 facing the inner space 106 , and the air outlet cover 503 forms the air outlet 502 .

In this embodiment, the first side wall body protrudes toward the direction away from the inner space 106 to form the air supply channel 501, that is, the first side wall body protrudes toward the foam layer, so that the air supply channel 501 will not The internal space 106 is occupied, thereby ensuring the storage space of the refrigerator. The air outlet cover plate 503 cooperates with the air supply duct 501 so that the airflow in the air supply duct 501 can flow along the air supply duct 501 and flow out from the air supply port 502 .

Optionally, the air supply duct 501 extends along the length direction of the first side wall 504 . Here, the air supply duct 501 extends along the length direction of the first side wall 504 , which can increase the air volume of the refrigerator in the length direction, thereby improving the air volume and temperature uniformity of the inner space 106 .

Optionally, the air supply duct 501 may extend in a straight line, or in an arc or bend. The form of the air supply duct 501 capable of increasing the air output in the longitudinal direction of the refrigerator is an optional embodiment of the present application.

Optionally, the number of air supply ducts 501 is one or more. The directions are set at intervals in sequence.

In this embodiment, as shown in FIG. 2 , at least two air supply ducts 501 are arranged at intervals along the height direction of the liner 10 , so as to increase the air output of the refrigerator in the height direction. In this way, the airflow can flow in the length, width and height of the refrigerator, and the air volume and temperature uniformity of the inner space 106 can be further improved.

Optionally, the air supply duct 501 may be disposed on the upper part of the first side wall 504 , or may be disposed on the middle part of the first side wall 504 , or may be disposed on the lower part of the first side wall 504 . When the number of air supply ducts 501 is multiple, air supply ducts 501 of different heights can be set, for example, the upper and lower parts of the first side wall 504 are provided with air supply ducts 501, or the upper and lower parts of the first side wall 504 and The air supply duct 501 is arranged in the middle. The air supply ducts 501 at different heights can supply air to the interior space 106 at different heights, improving the flexibility and air volume of the air outlet of the refrigerator.

Optionally, as shown in FIGS. 1 and 9 , the upper wall surface of the bottom wall 105 and/or the lower wall surface of the door body 80 are configured with an air guide channel 60 , and the air guide channel 60 extends along the width direction of the liner 10 (that is, Extending along the front-to-rear direction), the air guide channel 60 can cooperate with the air supply port 502 to make the airflow of the air supply port 502 flow from the rear to the front or from the front to the rear. This increases the circulation area of the airflow, improves the uniformity of the air supply, makes the temperature of the inner space 106 more uniform, and improves the cooling effect of the refrigerator.

Optionally, the upper wall surface of the bottom wall 105 is configured with a first air guide channel 601, the first air guide channel 601 corresponds to the air supply port 502, and the first air guide channel 601 extends along the width direction of the liner 10, so that the air supply The air flow from the tuyere 502 can flow to the second side wall 505 . Wherein, the air guiding channel 60 includes a first air guiding channel 601 .

In this embodiment, the air supply duct 501 and the air outlet are located on the first side wall 504 , since the internal space 106 will place objects, the objects will block the airflow from the air supply port 502 from flowing to the second side wall 505 . The first air guide channel 601 can correspond to the air supply port 502, specifically, the position of the first air guide channel 601 corresponds to the air supply port 502, so that the airflow flowing out of the air supply port 502 can flow along the first air guide channel 601 to At the second side wall 505 , this improves the uniformity of air supply, ensures that the air flow can flow from the first side wall 504 to the second side wall 505 , and improves the air volume and temperature uniformity of the inner space 106 .

Optionally, when the upper wall surface of the bottom wall 105 is configured with the first air guide channel 601, the air supply channel 501 is located at the lower part of the first side wall 504, so that the air supply port 502 and the first air guide channel 601 can better cooperate Wind and wind.

Optionally, the lower wall of the door body 80 is configured with a second air guide channel 602, the second air guide channel 602 corresponds to the air supply port 502, and the second air guide channel 602 extends along the width direction of the liner 10, so that the air supply The air flow from the tuyere 502 can flow to the second side wall 505 . The air guiding channel 60 includes a second air guiding channel 602 . Similarly, when the door body 80 is set in the inner space 106 , when there are many items in the inner space 106 , the items can also block the flow of the airflow from the air outlet 502 . The second air guide channel 602 can guide the air flow from the air outlet 502 at the top of the first side wall 504 to the second side wall 505 , thereby improving the air volume and temperature uniformity of the inner space 106 .

Optionally, when the lower wall of the door body 80 is configured with the second air guide channel 602, the air supply channel 501 is located on the upper part of the first side wall 504, so that the air supply port 502 can better cooperate with the second air guide channel 602 Wind and flow.

Optionally, there are multiple air guiding channels 60 , and the multiple air guiding channels 60 are sequentially arranged at intervals along the length direction of the liner 10 .

In this embodiment, the plurality of air guide channels 60 can guide the air flow out of the air outlet 502 in the length direction, increase the air volume of the air outlet 502, and improve the air cooling effect.

Optionally, the flow areas of the multiple air guiding channels 60 may be the same or different. When the fan 50 is located at one end of the first side wall 504 , along the direction away from the fan 50 , the flow area of the air guide channel 60 gradually increases, so as to increase the flow rate of the airflow away from the fan 50 .

It should be noted that: when both the front side wall 101 and the rear side wall 102 are provided with the air supply duct 501 and the air supply port 502, that is to say, when the air is supplied from both front and rear sides, the upper wall surface of the bottom wall 105 and/or the door The lower wall of the body 80 may also be provided with an air guide channel 60 to increase the smoothness of the cooling air flow in the front and rear directions and the uniformity of the air supply.

Optionally, as shown in FIG. 5 , the air supply port 502 includes a first air supply port 5021 , and the air outlet cover 503 is provided with the first air supply port 5021 , and the first air supply port 5021 corresponds to the air guide channel 60 . In this embodiment, the first air outlet 5021 is located on the air outlet cover 503, and the air outlet 502 located on the lower part of the first side wall 504 or the second side wall 505 is higher than the bottom wall 105, and is located on the first side wall 504 or the second side wall 505. The air outlet 502 on the upper part of the second side wall 505 is lower than the door body 80 . Therefore, the air flow out of the first air supply port 5021 is divided into two parts, one part flows directly in the front and back directions without passing through the air guide channel 60, and the other part of the air flow flows into the air guide channel 60, and flows in the air guide channel 60 to realize air flow flow in the fore-aft direction.

Optionally, as shown in FIG. 2, when the air supply duct 501 is located at the lower part of the first side wall 504 and/or the lower part of the second side wall 505, the lower side wall of the air supply duct 501 is provided with a gap, and the gap and The air guide channels 60 correspond to and communicate with each other. The air outlet cover plate 503 and the notch together form a second air supply port 5022 , and the air supply port 502 includes the second air supply port 5022 . In this embodiment, since the internal space 106 stores items, the items will block a part of the air flow from the first air outlet 5021 . The setting of the notch enables the airflow of the air supply channel 501 to flow downward through the notch, and then flow into the air guide channel 60 to flow oppositely.

Optionally, both the first air supply openings 5021 and the second air supply openings 5022 are plural, and the multiple first air supply openings 5021 and the multiple second air supply openings 5022 are alternately arranged in sequence.

In this embodiment, the first air supply port 5021 and the second air supply port 5022 are arranged alternately, which can not only prevent the airflow from being blocked by the articles in the internal space 106, but also ensure that part of the airflow can directly flow into the article, so that the article can be ventilated. cold, thereby improving the temperature uniformity of the interior space 106.

Optionally, as shown in FIG. 7 , the fan 50 is located in the air supply duct 501 and at one end of the liner 10 along its length. Wherein, along the direction away from the fan 50, the opening area of the first air outlet 5021 gradually increases. In this embodiment, since the fan 50 is located at one end of the liner 10 in the length direction, the airflow intensity in the air supply duct 501 away from the fan 50 is relatively small. In order to ensure the air volume, the opening area of the first air supply port 5021 is gradually increased. , can improve the air outlet uniformity of the liner 10 in the longitudinal direction.

Optionally, an upper wall portion of the bottom wall 105 is recessed toward a direction away from the inner space 106 to form the first air guide channel 601 . The bottom wall 105 is recessed to form the first air guide channel 601 , so that the first air guide channel 601 will not occupy the inner space 106 , and the storage volume of the inner space 106 can be ensured. At the same time, it is easy to process and easy to realize. Optionally, a lower wall portion of the door body 80 is recessed toward a direction away from the inner space 106 to form a second air guide channel 602 . Similarly, the lower wall of the door body 80 is recessed to form the second air guide channel 602 , so that the second air guide channel 602 will not occupy the internal space 106 , thereby ensuring the storage volume of the internal space 106 . At the same time, it is easy to process and easy to realize.

Optionally, there is a foam layer between the bottom wall 105 and the case, and when the upper wall of the bottom wall 105 is configured with a first air guide channel 601, the bottom wall 105 is partially recessed toward the foam layer to form the first air guide channel 601, The ratio of the depth of the first air guide channel 601 to the total thickness of the foam layer and the bottom wall 105 ranges from 10% to 40%. In this way, on the one hand, the thickness of the foam layer can be ensured, thereby ensuring the thermal insulation effect. On the other hand, making the first air guide channel 601 have a certain depth can prevent the articles in the inner space 106 from contacting the bottom wall 105 of the first air guide channel 601 so as to block the air flow of the first air guide channel 601, thereby improving the air guide. wind efficiency. Optionally, the ratio of the depth of the first air guiding channel 601 to the total thickness of the foam layer and the bottom wall 105 may be 10%, 20%, 25%, 30%, 35%, 40% and so on.

Optionally, as shown in FIG. 9, when the lower wall of the door body 80 is configured with a second air guide channel 602, the lower wall surface of the door body 80 is partially recessed upward to form a second air guide channel 602, and the second air guide channel 602 The ratio of the depth to the thickness of the door body 80 ranges from 10% to 40%. A foam layer is also provided inside the door body 80 , and the lower wall of the door body 80 faces the foam layer and is recessed to form a second air guide channel 602 . The ratio of the depth of the second air guide channel 602 to the thickness of the door body 80 is in the range of 10%-40%, so that the thickness of the door body 80 can be ensured on the one hand, thereby ensuring the heat preservation effect. On the other hand, making the second air guide channel 602 have a certain depth can prevent the articles in the inner space 106 from contacting the bottom wall 105 of the second air guide channel 602 so as to block the air flow of the second air guide channel 602, thereby improving the air guide channel. wind efficiency. Optionally, the ratio of the depth of the second air guiding channel 602 to the thickness of the door body 80 may be 10%, 20%, 25%, 30%, 35%, 40%, etc.

Optionally, the refrigerator further includes a center beam, and the center beam is located at the opening of the inner space 106 . When the air supply duct 501 is located on the upper part of the first side wall 504 , the height of the upper end of the air supply opening 502 is smaller than the height of the lower end of the center beam. This can ensure that the air outlet from the air outlet 502 will not be blocked by the door body 80 . Optionally, along the height direction of the first side wall 504 , the distance between the upper end of the air outlet 502 and the lower end of the center sill is less than or equal to 20 mm, such as 5 mm, 10 mm, or 15 mm. 18mm, etc., which can ensure that the height of the air supply port 502 will not be too low, so that the height of the air supply is high enough to ensure that the wind can blow to the second side wall 505.

It should be noted that the height relationship between the air outlet 502 and the center beam in this application is not limited to the case where the first side wall 504 is provided with the air outlet 502, and it is also applicable to the case where the second side wall 505 is provided with the air outlet 502. The height relationship between the air outlet 502 and the center beam mentioned above.

Optionally, as shown in FIG. 1 and FIG. 6 , there are one or more return air outlets 201 , and multiple return air outlets 201 can increase the air return volume of the refrigerator. Optionally, one or more of the top of the refrigeration chamber 30 , the bottom of the refrigeration chamber 30 , and the side of the refrigeration chamber 30 are provided with an air return port 201 . The cover plate 20 separates the cooling cavity 30 in the internal space 106, and the air return port 201 is arranged in the cooling cavity 30, so that the air return port 201 is not located on the side wall of the inner container 10, no matter which position of the internal space 106 the air is discharged, the return air port The positions of the 201 and the air outlet 502 are relatively moderate, which can improve the uniformity of the air flow in the inner space 106 and further improve the uniformity of the temperature. One or more of the top wall, bottom and side of the refrigeration chamber 30 is provided with an air return port 201, that is to say, the refrigerator can return air from multiple directions, so that the wind in each area of the internal space 106 can return to the nearest refrigeration unit. The cavity 30 is then recycled, which can avoid the formation of eddy currents and avoid the waste of air volume, thereby increasing the return air volume in the refrigerator, and finally improving the cooling effect. Optionally, the top of the refrigeration chamber 30 , the bottom of the refrigeration chamber 30 and the side of the refrigeration chamber 30 are all provided with return air outlets 201 . This can improve the temperature uniformity and air supply uniformity of the inner space.

Optionally, as shown in FIG. 3 , the cover plate 20 includes a top plate 202 and a side plate 203 , the top plate 202 is located above the cooling cavity 30 , and the top plate 202 is provided with a first air return port 2011 . The side plate 203 is arranged on the side of the top plate 202 facing the storage cavity 1061, and the side plate 203 extends downwards. The side plate 203 is provided with a second air return port 2012. The return air port 201 includes a first air return port 2011 and a second air return port 2012. .

In this embodiment, the cover plate 20 serves as the cavity wall of the cooling chamber 30 , and the top plate 202 and the side plate 203 are provided with return air outlets 201 , which can realize return air from the top and side of the cooling chamber 30 .

Optionally, the cover plate 20 is an L-shaped cover plate, which can reduce the space occupied by the cover plate 20 in the horizontal direction of the internal space 106, and the return air outlets 201 are respectively provided on the top plate 202 and the side plate 203 of the L-shaped cover plate.

Optionally, as shown in Figure 3, the freezer further includes a partition 2016, the partition 2016 is arranged above the first air return port 2011, and is connected to the top plate 202, the side wall of the partition 2016 is provided with a ventilation hole 2017, and the storage The airflow in the object chamber 1061 flows to the first air return port 2011 through the ventilation hole 2017 , so that the partition plate 2016 can prevent foreign matter from entering the refrigeration cavity 30 through the first air return port 2011 . Since the first air return port 2011 is located on the top of the cover plate 20, the cover plate 20 is located in the inner space 106, and the inner space 106 is opened upward, therefore, the foreign objects in the storage chamber 1061 are easy to fall on the top of the cover plate 20, and then pass through the first The air return port 2011 enters the refrigeration cavity 30, which will affect the refrigeration of the refrigerator. The partition plate 2016 is used to cover the top of the first air return port 2011 , so as to prevent foreign objects from falling into the cooling cavity 30 from the first air return port 2011 . The ventilation hole is arranged on the side to facilitate the air flow at the first air return port 2011 .

Optionally, as shown in FIG. 7 and FIG. 8 , the interior of the refrigeration chamber 30 also defines a connected evaporator compartment 302 and a foreign matter compartment 301 , the evaporator 40 is located in the evaporator compartment 302 , and the air return port 201 is located in the foreign matter compartment 301 . The air return port 201 is set in the foreign matter compartment 301, so that after the storage chamber 1061 or external impurities fall into the refrigeration chamber 30 from the return air port 201, they will fall into the foreign matter compartment 301, which can prevent foreign matters from falling through the return air port 201. In the evaporator compartment 302, foreign matter can be prevented from falling into the evaporator 40, which will affect the operation of the evaporator 40, so as to ensure the cooling operation of the refrigerator.

It should be noted that in some embodiments, the air outlet circuit of the refrigerator is different from that of the present application. For example, the cooling chamber 30 is provided with vents such as air outlets. The openings are collectively referred to as the ventilation openings 201, and the ventilation openings 201 may be air return openings 201, air outlets, or ventilation holes. In these embodiments, the refrigeration chamber 30 can also define a foreign matter compartment 301 and an evaporator compartment 302, and the vents are arranged in the foreign matter compartment 301, which can also achieve the technical effect of preventing foreign matters from falling into the evaporator 40, which all belong to the scope of the present application. Choose an example.

Optionally, the evaporator compartment 302 and the foreign matter compartment 301 are arranged in sequence along the direction from the first side wall 504 to the second side wall 505 . That is, as shown in FIG. 7 , the evaporator compartment 302 and the foreign matter compartment 301 are arranged along the width direction of the inner container 10 . In this embodiment, when the airflow flows along the front and rear directions, the evaporator compartment 302 and the foreign object compartment 301 are arranged along the width direction, which can efficiently utilize the space in the cooling chamber 30, not only can place the evaporator 40 but also prevent foreign objects from falling.

Optionally, along the direction from the refrigeration chamber 30 to the storage chamber 1061 , the bottom wall 3011 of the foreign matter compartment is inclined downwards, so as to facilitate the foreign matter in the foreign matter compartment 301 to flow into the storage chamber 1061 . In this embodiment, the foreign object compartment 301 is arranged at a slant, so that the foreign matter in the foreign object compartment 301 can be smoothly discharged into the storage cavity 1061 , thereby facilitating the processing of the foreign matter.

Optionally, the bottom of the foreign matter compartment 301 is provided with a vent 201, and the vent 201 communicates with the foreign matter compartment 301 and the storage chamber 1061, so that foreign matters falling into the bottom wall 3011 of the foreign matter compartment can fall into the storage chamber 1061 through the vent. inside, so that it is convenient for users to clean up foreign objects.

Optionally, the angle between the bottom wall 3011 of the foreign matter compartment and the horizontal direction is greater than 3°. In this embodiment, the included angle is too small to facilitate the flow of foreign matter. In practical applications, the included angle can be set as required, for example, it can be 5°, 10°, 15°, 20°, 30°, 45°, etc.

Optionally, the angle between the bottom wall 3011 of the foreign matter compartment and the horizontal direction is less than 60°, which can prevent the foreign matter compartment 301 from tilting too much, which will reduce the accommodation space of the foreign matter compartment 301 .

Optionally, as shown in FIG. 4 , the bottom wall of the refrigeration chamber 30 is provided with a drainage hole 303 , and the evaporator 40 is arranged obliquely so that the defrosting water in the evaporator 40 is drained from the drainage hole 303 . The evaporator 40 is arranged obliquely, so that the defrosted water of the evaporator 40 can flow to the drain hole 303 more fully, so as to improve the drainage efficiency of the defrosted water of the evaporator 40, thereby preventing the evaporator 40 from freezing and accumulating, and preventing the evaporator 40 from Breed bacteria, improve the cleanliness of the freezer.

Alternatively, the evaporator 40 may be supported at one end by a support so that the evaporator 40 is inclined. It is also possible that the bottom wall of the cooling chamber 30 is inclined so that the evaporator 40 can be inclined.

Optionally, the bottom wall of the refrigeration chamber 30 includes the bottom wall of the evaporator compartment 302, the bottom wall of the evaporator compartment 302 is provided with a drain hole 303, and the evaporator 40 is inclined to the bottom wall of the evaporator compartment 302, so that the evaporator 40 of defrosting water is discharged from the drain hole 303.

Optionally, as shown in FIG. 8 , the bottom wall of the evaporator compartment 302 includes a first wall segment 3021 and a second wall segment 3022 , one end of the first wall segment 3021 is connected to the first side wall 504 , and along the The direction from one side wall 504 to the second side wall 505 is inclined downward. One end of the second wall section 3022 is connected to the other end of the first wall section 3021, the other end of the second wall section 3022 is connected to one end of the bottom wall 3011 of the foreign matter compartment, and the other end of the foreign matter compartment 301 is connected to the second side wall 505 are connected. Wherein, a drainage hole 303 is provided at the junction of the other end of the first wall section 3021 and one end of the second wall section 3022 . The evaporator 40 is located above the first wall section 3021 , and along the direction from the evaporator compartment 302 to the foreign matter compartment 301 , the evaporator 40 is inclined downward. In this embodiment, the first wall section 3021 is arranged obliquely, and the evaporator 40 is located on the first wall section 3021, so that the evaporator 40 can be placed obliquely in the evaporator compartment 302, thereby facilitating the defrosting water of the evaporator 40 to flow along the first wall section. 3021 flows to the drain hole 303, and then is discharged from the drain hole 303.

Optionally, along the direction from the second side wall 505 to the first side wall 504, the second wall section 3022 is at least partly inclined downward, the evaporator 40 passes over the drainage hole 303, and the evaporator 40 is located at the side of the second wall section 3022 above. Specifically, the second wall section 3022 includes an inclined section that slopes downward along the direction from the second side wall 505 to the first side wall 504, and the evaporator 40 extends beyond the drain hole 303 to the inclined section of the second wall section 3022. above.

In this embodiment, the second wall section 3022 is also inclined towards the drain hole 303. When the size of the evaporator 40 is large, the evaporator 40 is partially located on the second wall section 3022, so that the defrosted water of the evaporator 40 can also be along the second wall section. The wall section 3022 flows to the drain hole 303 .

Optionally, as shown in FIG. 4 , the bottom wall of the refrigeration cavity 30 is configured with a stopper 3023 , and the stopper 3023 can abut against one end of the evaporator 40 to limit the downward movement of the evaporator 40 . In this embodiment, since the evaporator 40 is arranged obliquely, the bottom wall of the refrigeration chamber 30 is provided with a limiting portion 3023 corresponding to the lower end of the evaporator 40 to limit the sliding of the evaporator 40 .

Optionally, the upper wall surface of the second wall section 3022 is configured with a guide channel 3024 and a stopper 3023, the stopper 3023 and the guide channel 3024 are arranged along the length direction of the liner 10, and the stopper 3023 is located in the guide channel 3024 at least one side. As shown in FIG. 4 , the middle part of the second wall section 3022 is recessed downward to form a diversion channel 3024 , and the diversion channel 3024 is inclined toward the drain hole 303 to facilitate the discharge of defrosting water from the evaporator 40 . Two ends of the second wall section 3022 protrude to form a limiting portion 3023 , and the limiting portion 3023 can abut against one end of the evaporator 40 to limit the downward sliding of the evaporator 40 .

Optionally, along the direction from the second side wall 505 to the first side wall 504, the flow area of the flow guide channel 3024 gradually increases. It is convenient for the defrosting water of the evaporator 40 to flow to the drainage hole 303 faster, so as to avoid water accumulation.

Optionally, as shown in FIG. 12 , the refrigerator further includes a connecting piece 403 connected between the evaporator 40 and the inner container 10 , and the connecting piece 403 is used to limit the movement of the evaporator 40 relative to the step 1051 . In this embodiment, the position-limiting effect on the evaporator 40 can also be realized through the connecting piece 403 .

Optionally, as shown in FIG. 10 , the evaporator 40 includes evaporating fins 401 extending along the width direction of the liner 10 , the number of evaporating fins 401 is multiple, and the multiple evaporating fins 401 The length direction of the liner 10 is set at intervals sequentially. Among them, the plurality of evaporating fins 401 includes a first evaporating fin 4011, the first evaporating fin 4011 is located at the end of the evaporator 40 away from the storage chamber 1061, and the connecting piece 403 is arranged on the first evaporating fin 4011 along the width of the inner container 10 at least one end of the direction.

In this embodiment, the evaporator 40 uses its own evaporating fins 401 to provide connecting pieces 403 , so that the connection between the connecting pieces 403 and the evaporating fins 401 can be realized.

It should be noted that the evaporating fins 401 may also extend along the length direction of the inner container 10 , and a plurality of evaporating fins 401 are sequentially arranged at intervals along the width direction of the inner container 10 . The evaporating fins 401 can also be arranged in other directions, and the connection between the evaporator 40 and the inner tank 10 using the connecting piece 403 is an optional embodiment of the present application.

Optionally, the connecting piece 403 includes a first bent portion 4031, and the first bent portion 4031 is connected to the inner container 10, which can increase the connection area between the connecting piece 403 and the inner container 10, and improve connection stability.

The evaporator 40 further includes an evaporating tube 402 . The evaporating tube 402 reciprocates through the plurality of evaporating fins 401 and protrudes from the first evaporating fin 4011 . Optionally, the connector 403 further includes a second bent portion 4032, one end of the second bent portion 4032 is connected to the first evaporating fin 4011, and the other end of the second bent portion 4032 is connected to the first bent portion 4031 In connection with each other, the opening of the second bent portion 4032 faces the evaporating tube 402 to avoid the evaporating tube 402 . In this embodiment, the second bending part 4032 can avoid the evaporating tube 402 and avoid conflict with the evaporator 40. The connecting piece 403 can not only avoid the evaporating tube 402 through the two bending parts, but also can face the inner tank 10. Cooperating, strong fixing and positioning of the evaporator 40 and the inner container 10 can be realized.

Optionally, the height of the bottom wall 3011 of the foreign object compartment is smaller than the height of the other end of the second wall segment 3022 . That is to say, the connection between the bottom wall 3011 of the foreign matter compartment and the bottom wall of the evaporator compartment 302 forms a barrier, so that the foreign matter in the foreign matter compartment 301 will not enter into the evaporator compartment 302 .

Optionally, the part of the bottom wall 105 of the liner 10 protrudes 701 towards the cooling cavity 30 to form a step 1051, the compressor is placed under the step 1051, the cover plate 20 is placed above the step 1051, and the cover plate 20 and the step 1051 jointly enclose a refrigeration cavity 30 . The evaporator 40 is located in the cooling chamber 30 and above the step 1051 .

In this embodiment, since the refrigerator needs to be equipped with components such as a compressor and a condenser, as shown in FIG. 2 , the bottom wall 105 of the liner 10 protrudes upwards to form a step 1051, and the bottom of the step 1051 is used to avoid the compressor. In the present application, the cover plate 20 is arranged above the step 1051 , so that the cover plate 20 , the step 1051 and the side wall of the inner container 10 can enclose the refrigeration cavity 30 . The evaporator 40 is located above the step 1051, so that the evaporator 40 does not occupy too much space in the horizontal direction of the internal space 106, ensures the storage volume of the storage chamber 1061, and makes the refrigeration chamber 30 more compact, reducing the size of the refrigerator. of bulkiness.

The refrigeration chamber 30 may be formed by being enclosed only by the cover plate 20 and the step 1051 , or the refrigeration chamber 30 may be formed by being enclosed by the cover plate 20 , the step 1051 , and the first side wall 504 and the second side wall 505 . The shape of the cover plate 20 can be adjusted to form the refrigeration cavity 30 .

Optionally, the step 1051 is L-shaped, so that the step 1051 can be adapted to the press cabin, and the proportion of the internal space 106 occupied by the step 1051 is minimized.

Optionally, the evaporating fins 401 of the evaporator 40 extend along the length direction of the inner container 10 , or the evaporating fins 401 extend along the width direction of the inner container 10 and are placed on the steps 1051 , which can reduce the height of the refrigeration chamber 30 , to prevent the evaporator 40 from occupying a large amount of portable space on the top of the step 1051, so that the top of the step 1051 can be provided with a basket, and ensure that the size of the basket is relatively large to increase the storage capacity.

Optionally, the evaporator 40 is placed obliquely on the step 1051, so that the defrosted water of the evaporator can flow more fully to the drain hole, so as to improve the drainage efficiency of the defrosted water of the evaporator, thereby avoiding the accumulation of ice in the evaporator, and can Prevent the evaporator from breeding bacteria and improve the cleanliness of the freezer.

Optionally, the evaporator 40 is inclined along the width direction. Since the step 1051 is limited along the length direction of the liner, the evaporator is inclined along the width direction, so that the evaporator can be inclined at a sufficient angle.

Optionally, at least part of the top wall of the step 1051 slopes downward along the width direction of the inner container, so as to make the evaporator 40 slope. The inclination of the step 1051 facilitates the inclined setting of the evaporator.

It can be understood that when the evaporator 40 is set on the step 1051, the bottom wall of the refrigeration chamber 30 mentioned above in the present application is also the top wall of the step 1051, and the top wall of the step 1051 includes the bottom wall of the evaporator compartment 302 and the foreign matter compartment described above. The bottom wall 3011 also has the above-mentioned technical features of the bottom wall of the evaporator compartment 302 and the technical features of the bottom wall 3011 of the foreign matter compartment. Therefore, the technical features of the bottom wall of the refrigeration chamber 30 are also applicable to the top wall of the step 1051. This application I won't repeat them here.

Optionally, as shown in FIG. 6 , when the bottom of the refrigeration chamber 30 is provided with an air return port 201 , there is a gap 2014 between the side plate 203 and the wall of the step 1051 facing the storage chamber 1061 , and the gap 2014 communicates with the refrigeration chamber 30 . The lower end of the gap 2014 forms a third air return port 2013 , the third air return port 2013 communicates with the gap 2014 and the storage cavity 1061 , and the return air port 201 includes the third air return port 2013 .

In this embodiment, there is a gap 2014 between the cover plate 20 and the side of the step 1051, and the third air return port 2013 is located at the bottom of the gap 2014, so that the airflow in the storage chamber 1061 can flow along the third air return port 2013 and the gap 2014. into the refrigeration chamber 30, thereby realizing the return air at the bottom of the refrigeration chamber 30. Optionally, when the bottom of the foreign matter compartment 301 is provided with a vent 201, the vent can be a third air return port 2013, and the third return air port 2013 is also convenient for the foreign matter in the foreign matter compartment 301 to be discharged.

Optionally, the side plate 203 of the cover plate 20 abuts against the side wall of the step 1051 . Specifically, the side plate 203 is partly attached to or close to the step 1051 .

Optionally, the sidewall of the step 1051 is recessed toward the direction away from the storage chamber 1061 to form a groove, and the side plate 203 covers the groove to form a gap 2014 . In this embodiment, the step 1051 facing the storage cavity 1061 avoids inward depression, which can avoid excessive occupation of the volume of the storage cavity 1061 . Moreover, the cover plate 20 does not need to protrude toward the storage cavity 1061 , which can improve the overall aesthetics of the interior space 106 . Optionally, the grooves are vertical grooves, so as to facilitate air flow from bottom to top. Moreover, the groove makes the flow area of the third air return port 2013 larger, which can reduce the resistance of the air flow from the return air port to the evaporator 40, avoid the collision between the air flow and the side wall of the step, improve the smoothness of circulation, and reduce the loss of air volume.

In this application, through the setting of three air return ports, the return air of the refrigerator is made smoother, and there is no resistance in the process of returning the air flow from the return air port to the evaporator, and the return air area is large, which can reduce the loss of air volume and improve the smoothness of air flow.

Specifically, the side wall of the step 1051 refers to the side wall of the step 1051 facing the storage cavity 1061 . Optionally, the side wall of the step 1051 is recessed toward a direction away from the storage cavity 1061 to form a groove.

Optionally, the first air return port 2011 corresponds to the second air return port 2012 , the third air return port 2013 corresponds to the second air return port 2012 , and the third air return port 2013 is located below the second air return port 2012 .

In this embodiment, the three return air outlets 201 are correspondingly arranged so that the return air position of the refrigerator in the width direction is consistent, especially the first side wall 504 is provided with an air supply port 502, and when the return air port 201 is close to the second side wall 505, it can It is ensured that the airflow flowing back to the air return port 201 flows along the front and rear directions.

Optionally, as shown in FIG. 6, the refrigerator further includes a deflector 2015, which is arranged at the second air return port 2012, and along the direction from the storage chamber 1061 to the refrigeration chamber 30, the deflector 2015 is inclined upward , so as to guide the airflow flowing in through the second air return port 2012 to flow upward. The deflector 2015 makes the airflow flowing in from the second air return port 2012 flow upwards. Since the evaporator 40 is located above the step 1051 and has a certain height, the air flow flowing in from the second air return port 2012 can increase the contact area with the evaporator 40 by flowing upward. Improve the flow smoothness of the return air and the evaporator 40 . Avoid unnecessary losses caused by the airflow colliding with the side wall of the step 1051 .

Optionally, when the refrigerating chamber 30 defines the evaporator compartment 302 and the foreign matter compartment 301 , the plurality of return air outlets 201 are all connected to the foreign matter compartment 301 , which can prevent foreign matters from falling into the evaporator compartment 302 .

In a specific embodiment, the air supply port 502 is arranged on the first side wall 504, and the distance between the air return port 201 and the first side wall 504 is greater than the distance between the return air port 201 and the second side wall 505, that is, the return air port 201 is close to the second side wall 505. The two side walls 505 enable the airflow in the inner space 106 to flow along the front and rear directions. One end (left end or right end) of the bottom wall 105 of the liner 10 avoids the upward protrusion 701 of the compressor below to form a step 1051, and the cover plate 20 is covered on the step 1051 to form a refrigeration chamber 30, which defines an evaporator compartment 302 and the foreign matter compartment 301 , the evaporator compartment 302 and the foreign matter compartment 301 are arranged along the width direction of the liner 10 , the foreign matter compartment 301 is close to the second side wall 505 , and the foreign matter compartment 301 is provided with a return air outlet 201 . Specifically, a first air return port 2011 is provided on the top of the foreign matter compartment 301 , a second air return port 2012 is provided on the side of the foreign matter compartment 301 , and a third air return port 2013 is provided at the bottom of the foreign matter compartment 301 . This enables the freezer to return air from multiple directions, increasing the air supply volume, so that the wind in each area of the interior space 106 can be recycled in the refrigeration chamber 30 nearby, avoiding the formation of eddy currents and wasting air volume. Driven by the fan 50, the airflow of the storage chamber 1061 first flows into the foreign matter compartment 301 through the three air return ports 201, and then flows from the foreign matter compartment 301 to the evaporator compartment 302, and the air flow and the evaporator 40 in the evaporator compartment 302 After heat exchange, it flows to the air supply channel 501 and the air supply port 502 located on the first side wall 504. The fan 50 is located in the air supply channel 501, which can reduce the loss of the airflow flowing out from the fan 50 and reduce the resistance. , the air supply duct 501 extends along the length direction of the liner 10 , so that the air supply can be realized in the length direction of the liner 10 . Along the height direction of the first side wall 504 , a plurality of air supply ducts 501 are arranged at intervals, which can increase the air supply volume at the height of the inner space 106 .

Optionally, the side wall close to the refrigeration chamber 30 among the left side wall 103 and the right side wall 104 is defined as the third side wall 506 , and when the refrigerator includes the connecting piece 403 , the connecting piece 403 is connected to the third side wall 506 . Specifically, the first bending portion 4031 is in surface contact with the third side wall 506 and is connected.

Optionally, the opening of the first bending portion 4031 faces away from the evaporation tube 402 , so as to facilitate the connection between the first bending portion 4031 and the third side wall 506 .

Optionally, the third side wall 506 protrudes toward the refrigeration cavity 30 to form a boss 3025, and the boss 3025 is located on one side of the evaporator 40. When the refrigerator includes a connecting piece 403, the connecting piece 403 connects the first evaporating fin 4011 and the raised The platform 3025 realizes the connection between the evaporator 40 and the inner tank 10 . Specifically, the connection part does not include the first bending part 4031, the first evaporating fin 4011 is extended to the boss 3025, one end of the second bending part 4032 is connected with the first evaporating fin 4011, and the second bending part 4032 The other end is connected with the side of the boss facing the evaporator 40, so that the connection between the evaporator 40 and the inner container 10 can be realized, and the connection stability can be increased.

Optionally, as shown in FIG. 10 , the refrigerator further includes a water receiving tray 70 located below the evaporator 40 and connected to the evaporator 40 . The water receiving tray 70 is connected to the evaporator 40 , which can enhance the connection strength between the evaporator 40 and the water receiving tray 70 . After the evaporator 40 is connected to the water receiving tray 70 , it is placed in the inner space 106 . In this way, even if the operator pulls the pipeline, the evaporator 40 and the water receiving tray 70 will move together, which will not affect the installation accuracy of the evaporator 40 and the water receiving tray 70, avoid offset, and ultimately improve the reliability of the freezer structure and the system. stability.

Optionally, the water receiving tray 70 is detachably connected to the evaporator 40 . This facilitates the maintenance, disassembly and cleaning and replacement of the water receiving tray 70 and the evaporator 40 .

In a specific embodiment, as shown in FIG. 11 , the upper surface of the water receiving tray 70 is configured with protrusions 701 , and the protrusions 701 can be inserted between adjacent evaporating fins 401 to connect the evaporator 40 and the inner tank 10 . The evaporating fins 401 are arranged at intervals, and the protrusions 701 of the water receiving tray 70 are inserted into the adjacent evaporating fins 401, which can play a role of connection, and can limit the relative movement of the evaporator 40 and the water receiving.

Optionally, the protrusion 701 is configured with a limiting groove 702. When the protrusion 701 is inserted between adjacent evaporating fins 401, the evaporation tube 402 is located in the limiting groove 702 to limit the movement of the evaporator 40 relative to the water receiving tray 70. . In this embodiment, the limiting groove 702 can not only avoid the evaporation tube 402, but also play a connection role.

Optionally, the limiting groove 702 includes a first limiting groove 7021, and the opening of the first limiting groove 7021 faces upward. Taking the evaporating fin 401 extending along the width direction of the inner tank 10 as an example, the evaporating tube 402 runs through a plurality of fins, therefore, the evaporating tube 402 extends along the length direction of the inner tank 10, and the protrusion 701 can limit the evaporator 40 relative to the contact surface. The water tray 70 moves along the length direction of the liner 10 (that is, the left and right directions). The first limiting groove 7021 limits the evaporating tube 402 , so the opening of the first limiting groove 7021 can limit the movement of the evaporator 40 relative to the water receiving tray 70 along the width direction of the inner container 10 (that is, the front and rear directions).

Optionally, the limiting groove 702 includes a second limiting groove 7022, the opening of the second limiting groove 7022 faces one side in the horizontal direction, and can limit the movement of the evaporation tube 402 in the vertical direction. The opening of the second limiting groove 7022 faces one side in the horizontal direction, and can limit the movement of the evaporator 40 in the up and down direction.

Optionally, the number of protrusions 701 is multiple, and the plurality of protrusions 701 are sequentially arranged at intervals along the circumference of the water receiving tray 70, wherein the number of limiting grooves 702 is the same as the number of protrusions 701 and corresponds one by one, The plurality of protrusions 701 include a first protrusion and a second protrusion, the first protrusion is provided with a first limiting groove 7021, and the second protrusion is provided with a second limiting groove 7022, so that through the protrusion 701, the first The function of the limiting groove 7021 and the second limiting groove 7022 can limit the movement of the evaporator 40 in six directions: front and rear, left and right, and up and down.

In another specific embodiment, as shown in FIG. 10, the evaporator 40 is provided with a first screw hole 404, the water receiving tray 70 is provided with a second screw hole, and the fastener passes through the first screw hole 404 and the second screw hole. hole to connect the evaporator 40 and the water tray 70. In this embodiment, the evaporator 40 and the water receiving tray 70 can also be connected by screws, which is easy to operate, easy to produce, and low in cost.

Optionally, the evaporating fins 401 protrude to form a connecting portion, and the connecting portion is provided with a first screw hole 404 corresponding to the second screw hole. Both ends of the evaporating fin 401 are provided with first screw holes 404 , which can increase the connection stability between the evaporating fin 401 and the water receiving tray 70 .

Optionally, the plurality of evaporating fins 401 includes a second evaporating fin, the second evaporating fin is located on the side of the evaporator 40 facing the storage chamber 1061, and the first evaporating fin 4011 and the second evaporating fin are both provided with The first screw hole 404 further increases the connection strength between the evaporator 40 and the water receiving tray 70 .

Optionally, the evaporator 40 is connected to or abuts against the inner container 10 . The evaporator 40 can be connected to the inner container 10 through the aforementioned connecting piece 403 . In this way, the connection strength of the evaporator 40 , the water receiving tray 70 and the inner container 10 can be increased, and the deviation of the water receiving tray 70 , the inner container 10 and the evaporator 40 can be avoided. The evaporator 40 can also limit the evaporator 40 through the above-mentioned limiting portion 3023 , which can also prevent the water receiving tray 70 , the liner 10 and the evaporator 40 from shifting.

Optionally, the connecting piece 403 is screwed to the inner container 10 . In practical application, the evaporator 40 and the water receiving tray 70 are connected first, and then they are put into the evaporator compartment 302 together. The connection between the evaporator 40 and the inner container 10 is realized, so that the three are connected. The position of the evaporator 40 and the inner container 10 is realized by the limiting part 3023 , which can also prevent the evaporator 40 from moving in the inner container 10 , thus reducing the connection pressure of the connecting piece 403 . After the three are strongly fixed, the welding efficiency of the foamed assembly is improved, and the production cost is reduced.

It should be noted that: the connecting piece 403 and the limiting portion 3023 can be provided at the same time, or only one of them can be provided, and the limited movement between the evaporator 40 and the inner container 10 is an optional embodiment of the present application.

Optionally, the water receiving tray 70 is connected with or abuts against the inner container 10 . It is also possible to realize the connection and fixation of the evaporator 40 , the inner container 10 and the water receiving tray 70 .

Optionally, the refrigerator further includes a heating pipe, and the heating pipe is located between the water receiving tray 70 and the evaporator 40 . The heating pipe is used for heating, so as to defrost the evaporator 40 .

In this embodiment, the water receiving tray 70 can prevent the heating tube from directly contacting the bottom wall of the refrigeration cavity 30 , and can make the heat conduction even, so as to improve the defrosting effect of the evaporator 40 .

Optionally, the water receiving tray 70 is an aluminum tray, which is easy to process, easy to conduct heat, and low in cost.

Optionally, when the upper surface of the water receiving tray 70 is provided with protrusions 701 and limiting grooves 702, it is directly stamped with a straight aluminum plate, which has simple processing technology, high forming rate and low cost. No risk of crevice corrosion and easy handling.

Optionally, as shown in FIGS. 3 and 7 , the fan 50 is at least partially located in the air supply duct 501 , the cover plate 20 is connected between the first side wall 504 and the second side wall 505 , and is connected to the cooling chamber 30 . correspond. Here, the cover plate 20 may also be connected between the left side wall 103 and the right side wall 104 . One end of the cover plate 20 is connected to the first side wall 504, and one end of the cover plate 20 is higher than the highest end of the fan 50. Along the direction away from the fan 50, the cover plate 20 is at least partially inclined downward to increase the Space.

In this embodiment, one end of the cover plate 20 is higher than the highest end of the fan 50 , so that the airflow in the cooling cavity 30 can flow into or out of the fan 50 . Along the direction away from the blower 50 , the height of the evaporator 40 is reduced, so the cover plate 20 is inclined downward, which can increase the space above the cover plate 20 . A rack can be arranged above the cover plate 20, and the height of the rack can be increased, thereby increasing the storage volume of the refrigerator.

Optionally, the cover plate 20 includes a first plate segment 2021 and a second plate segment 2022 , and one end of the first plate segment 2021 is connected to the first side wall 504 . One end of the second plate segment 2022 is connected to the other end of the first plate end, and the other end is connected to the second side wall 505 . Wherein, along the direction away from the fan 50 , the first plate segment 2021 is inclined downward, and there is an angle between the first plate segment 2021 and the first side wall 504 .

In this embodiment, the first plate section 2021 is used to avoid the blower 50 and guide the airflow flowing out and flowing into the blower 50 . There is an angle between the first plate segment 2021 and the first side wall 504 , which can increase the space above the first plate segment 2021 .

Optionally, the angle between the first plate segment 2021 and the first side wall 504 ranges from 0° to 20°. The angle between the first plate segment 2021 and the second side wall 505 cannot be too large, otherwise the space above the cover plate 20 will be occupied. Specifically, the included angle between the first plate segment 2021 and the first side wall 504 may be 5°, 10°, 15°, 20°.

Optionally, the second plate segment 2022 extends along the horizontal direction. In this way, the second plate segment 2022 can avoid occupying the space above the cover plate 20 and increase the storage space.

Optionally, the cover plate 20 further includes an arc segment 2023 connected between the other end of the first plate segment 2021 and one end of the second plate segment 2022 , and the opening of the arc segment 2023 faces upward.

In this embodiment, the first plate segment 2021 and the second plate segment 2022 are connected smoothly through the arc segment 2023 , so that the airflow in the cooling chamber 30 flows smoothly and avoids the loss of air flow through knuckles.

Optionally, the second plate section 2022 extends horizontally. In this way, the second plate segment 2022 will not occupy the space above the cover plate 20, which improves the storage space. It should be noted that the horizontal extension of the second plate segment 2022 in this application is not strictly a horizontal extension, and the second plate segment 2022 may also have an included angle with the horizontal direction or the second plate segment 2022 may be curved, wavy, etc. other shapes.

Optionally, the top plate 202 of the cover plate 20 includes a first plate segment 2021 , a second plate segment 2022 and an arc segment 2023 .

Optionally, one end of the cover plate 20 is sealingly connected with the first side wall 504 . In this way, leakage of the airflow flowing through the connection between the cooling chamber 30 and the air supply duct 501 is avoided, and the loss of air volume is avoided.

The height of the evaporator 40 is smaller than that of the fan 50, so that the cover plate 20 can be inclined downwards to avoid the upper space. Specifically, the length of the evaporator 40 extends along the length or width of the inner container, so that the height of the evaporator 40 can be reduced.

Optionally, the upper part of the wall surface of the step 1051 towards the storage chamber 1061 is recessed toward the direction away from the storage chamber 1061 to form a depression, the side plate 203 of the cover plate 20 is covered on the depression, and the outer wall surface of the side plate 203 is in contact with the step The lower part of the wall surface of 1051 facing the storage chamber 1061 is flush, which can increase the integrity and aesthetics of the refrigeration chamber 30 .

Optionally, the cover plate 20 is detachably connected to the inner container 10 . Specifically, the side plate 203 is connected to the wall of the step 1051 facing the storage chamber 1061, specifically, screws may be used for the connection.

In a specific embodiment, the fan 50 is arranged in the first side wall 504, the cover plate 20 is covered above the step 1051 to form the cooling chamber 30, the fan 50 corresponds to the cooling chamber 30, the evaporator 40 is located above the step 1051, and the fan The height of the 50 is higher than that of the evaporator 40, so that the fan 50 can drive the airflow of the circulating air path. The length of the evaporator 40 extends along the length or width of the liner and is placed on the step 1051 , which can reduce the height of the evaporator 40 and further reduce the height of the refrigeration chamber 30 . The cover plate 20 is partially inclined along the direction away from the fan 50, which can avoid the space above the cover plate 20, facilitates the increase of the storage space above the cover plate 20, and improves the convenience of use.

The above description and drawings sufficiently illustrate the embodiments of the present disclosure to enable those skilled in the art to practice them. Other embodiments may incorporate structural and other changes. The examples merely represent possible variations. Individual components and functions are optional unless explicitly required, and the order of operations may vary. Portions and features of some embodiments may be included in or substituted for those of other embodiments. Embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

1. A refrigerator, characterized in that, comprising: The liner encloses the inner space; The cover plate is located in the internal space, and divides the internal space into a storage chamber and a refrigeration chamber, and the interior of the refrigeration chamber defines a connected evaporator compartment and a foreign matter compartment; an evaporator located within the evaporator compartment; Wherein, a vent is opened on the top of the foreign matter compartment, and the foreign matter compartment communicates with the storage compartment through the vent. 2. The refrigerator according to claim 1, characterized in that, The evaporator compartment and the foreign matter compartment are arranged along the width direction of the inner tank. 3. The refrigerator according to claim 1, characterized in that, Along the direction from the refrigerating chamber to the storage chamber, the bottom wall of the foreign matter compartment is inclined downward, so as to facilitate the flow of foreign matter in the foreign matter compartment into the storage chamber. 4. The refrigerator according to claim 3, characterized in that, The angle between the bottom wall of the foreign matter compartment and the horizontal direction is equal to or greater than 3°. 5. The refrigerator according to claim 1, characterized in that, The bottom wall of the evaporator compartment is provided with a drainage hole, and the evaporator is arranged obliquely so that the defrosting water of the evaporator can be discharged from the drainage hole. 6. The refrigerator according to claim 5, characterized in that, The inner container includes a first side wall and a second side wall oppositely arranged, the refrigeration cavity is located between the first side wall and the second side wall, and the evaporator compartment and the foreign matter compartment are located along the The first side wall is sequentially arranged in the direction of the second side wall; The bottom wall of the evaporator compartment includes: a first wall section, one end of which is connected to the first side wall and slopes downward along a direction from the first side wall to the second side wall; The second wall segment has one end connected to the other end of the first wall segment, the other end connected to one end of the bottom wall of the foreign matter compartment, and the other end of the bottom wall of the foreign matter compartment to the second side wall connection; Wherein, the drainage hole is set at the junction of the first wall section and the second wall section, the evaporator is set above the first wall section, and along the line from the first side wall to the In the direction of the second side wall, the evaporator is arranged inclined downward. 7. The refrigerator according to claim 6, characterized in that, The second wall section includes an inclined section inclined downward in a direction from the second side wall to the first side wall, and the evaporator extends beyond the drainage hole to the inclined section of the second wall section. paragraph above. 8. The refrigerator according to claim 6, characterized in that, The height of the bottom wall of the foreign object compartment is smaller than the height of the other end of the second wall segment. 9. The refrigerator according to claim 1, further comprising: The vents are air return ports, and there are multiple air return ports, and one or both of the sides of the foreign matter compartment and the bottom of the foreign matter compartment are provided with the return air ports. 10. The refrigerator according to any one of claims 1 to 9, characterized in that, The bottom wall of the liner protrudes toward the refrigeration cavity to form a step, the compressor is placed under the step, the cover plate is set above the step, and the step and the cover plate are in common The evaporator compartment and the foreign matter compartment are enclosed, and the evaporator is located above the step.

Images