CN222165324U - refrigerator - Google Patents

Abstract

The present application relates to the technical field of household appliances, and discloses a refrigerator. The refrigerator includes: a box body, including an evaporation chamber and a storage space, the evaporation chamber is located at the bottom of the box body; the evaporation chamber includes a return air port, and the evaporation chamber and the storage space are connected through the return air port of the evaporation chamber; a door body, which is rotatably connected to the box body, and the door body is used to open or close the storage space; a grille assembly, which is rotatably arranged at the return air port of the evaporation chamber; the center of gravity of the grille assembly is not located on the rotation axis of the grille assembly, so that the grille assembly can be rotated to a preset position under the action of gravity; a suction assembly, including a first suction member arranged on the grille assembly and a second suction member arranged in linkage with the door body. In this way, during the process of opening or closing the door body, the first suction member and the second suction member are close to or away from each other, so that the grille assembly rotates to close or open the return air port of the evaporation chamber. Reduce the frosting speed and amount of the evaporator, extend the cycle of heating defrosting, and reduce energy consumption.

Description

Refrigerator with a refrigerator body

Technical Field

The application relates to the technical field of household appliances, in particular to a refrigerator.

Background

Currently, more and more users use refrigerators for storing food materials. The existing bottom-placed evaporator is horizontally placed or laterally placed at the bottom of the freezing chamber and the temperature-changing chamber, is close to the bottom of the liner and is close to the position of the return air inlet. In the process of opening and closing a door of the refrigerator with the bottom evaporator, wet air outside the refrigerator body can enter the evaporation cavity, so that the phenomenon of frosting in the evaporation cavity is serious, and the refrigerating effect of the refrigerator is affected. The frosting speed and frosting quantity of the evaporator can be increased, the frosting period is shortened, and the energy consumption is increased.

In the related art, by controlling the timing defrosting function of the refrigerator, frost and ice in the evaporating cavity are removed in a heating mode, and the refrigerating effect of the refrigerator is improved.

In the disclosed implementation, the related art is found to have the following problems:

The related art can reduce frost ice in the evaporation cavity, but needs to heat the evaporation cavity frequently, and the defrosting period is short, so that the problem of overlarge energy consumption is caused.

It should be noted that the information disclosed in the above background section is only for enhancing understanding of the background of the application and thus may include information that does not form the prior art that is already known to those of ordinary skill in the art.

Disclosure of utility model

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview, and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended as a prelude to the more detailed description that follows.

The embodiment of the disclosure provides a refrigerator, which reduces the frosting speed and frosting quantity of an evaporator, prolongs the period of defrosting by heating and reduces the energy consumption.

In some embodiments, a refrigerator is provided, which comprises a refrigerator body, wherein the refrigerator body comprises an evaporation cavity and a storage space, the evaporation cavity is arranged at the bottom of the refrigerator body, the evaporation cavity comprises an air return opening, the evaporation cavity and the storage space are communicated through the air return opening of the evaporation cavity, a door body is rotatably connected with the refrigerator body and used for opening or closing the storage space, a grille assembly is rotatably arranged at the air return opening of the evaporation cavity, the gravity center of the grille assembly is not arranged on a rotating shaft line of the grille assembly, so that the grille assembly can rotate to a preset position under the action of gravity, an actuation assembly comprises a first actuation part and a second actuation part which are arranged on the grille assembly and are in linkage with the door body, the first actuation part and the second actuation part are close to attract each other in the process of closing the door body to drive the grille assembly to rotate so as to open the air return opening of the evaporation cavity, and the first actuation part and the second actuation part are far away from each other in the process of opening the door body, and the grille assembly rotates to the preset position under the action of gravity to close the air return opening of the evaporation cavity.

The first suction piece is arranged on the grille piece, the first suction piece and the second suction piece are close to each other in the closing process of the door body to attract each other, the grille piece is driven to rotate, the ventilation holes are communicated with the evaporation cavity and the storage space to open the air return opening of the evaporation cavity, when the grille pieces are in multiple numbers, the grille pieces are vertically arranged on the air return opening of the evaporation cavity, and when the grille pieces are rotated to the preset positions under the action of gravity, the plurality of wind shields of the grille pieces are abutted against the air return opening of the evaporation cavity to close the air return opening of the evaporation cavity.

Optionally, the grating element comprises a plurality of grating plates which are arranged at intervals to form ventilation holes among the plurality of grating plates, and a connecting plate connected with each grating plate, wherein the grating plates positioned on the outer side are used as wind shields.

The plurality of grating plates comprise a first grating plate, a second grating plate, a third grating plate and a fourth grating plate, wherein the first grating plate, the second grating plate, the third grating plate and the fourth grating plate are all connected with a connecting plate, under the condition that an air return port of an evaporation cavity is closed, the fourth grating plate is used as a wind shield to be shielded from the air return port of the evaporation cavity so as to close the air return port of the evaporation cavity, the widths of the first grating plate and the third grating plate are equal to each other and are A, the widths of the second grating plate and the fourth grating plate are equal to each other and are B, and A is smaller than B.

Optionally, the first grating plate, the second grating plate, the third grating plate and the fourth grating plate are sequentially arranged at intervals to form ventilation holes, the end faces of the first side of the first grating plate, the end faces of the second grating plate and the first side of the third grating plate are flush, the end faces of the fourth grating plate on the first side of the first grating plate, the end faces of the second grating plate and the end faces of the third grating plate on the side of the first grating plate are protruded, so that the gravity centers of grating pieces are not located on a rotation axis, and when the grating pieces are multiple, the fourth grating plates of the adjacent grating pieces are abutted and blocked in a return air inlet of an evaporation cavity to close the return air inlet of the evaporation cavity.

Optionally, the box body further comprises a stop part arranged on the cavity wall of the air return opening of the evaporation cavity, the grid piece further comprises a limit part arranged on one side of the connecting plate, the limit part is abutted with the stop part of the box body under the condition that the wind shield is blocked at the air return opening of the evaporation cavity, so that the wind shield is vertically arranged at the air return opening of the evaporation cavity, and when the grid pieces are in a plurality, the limit part of the grid piece positioned on the upper side in the vertical direction is abutted with the wind shield of the grid piece positioned on the adjacent upper side and the lower side in the vertical direction.

Optionally, the grid assembly further comprises first protrusions arranged at two ends of the grid piece, and the box body further comprises first grooves in which the first protrusions are rotatably arranged.

Optionally, the grid assembly further comprises a rotating shaft, wherein the rotating shaft penetrates through the grid piece, two ends of the rotating shaft protrude out of two opposite end faces of the grid piece to form second protrusions, and the box body further comprises second grooves, and the second protrusions are rotatably arranged in the second grooves.

Optionally, the first attraction piece comprises a first magnet piece arranged on one side edge of the grid piece, and the second attraction piece comprises a second magnet piece which is arranged in a linkage manner with the door body and is opposite to the first magnet piece, and the magnetism of the second magnet piece is different from that of the first magnet piece.

Optionally, the second attraction piece is arranged on the door body, or the refrigerator further comprises a connecting piece, and the second attraction piece is connected with the door body through the connecting piece.

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

Through setting up grid subassembly and actuation subassembly at the return air inlet that is located the evaporation chamber of bottom half, and first actuation spare is located grid subassembly, and second actuation spare and door body linkage setting, and the focus of grid subassembly is not located the rotation axis of grid subassembly to realize keeping away from at the in-process first actuation spare that the door body was opened with second actuation spare, grid subassembly rotates to the position of predetermineeing under the action of gravity, in order to close the return air inlet of evaporation chamber. And under the condition that the door body is opened, wet air outside the box body enters the evaporation cavity through the return air inlet of the evaporation cavity, so that the frosting speed and frosting quantity of the evaporator are reduced, the period of heating defrosting is prolonged, and the energy consumption is reduced. And under the condition that the door body is closed, the first suction piece and the second suction piece are close to each other so as to attract each other, and the grille assembly is driven to rotate so as to open the return air inlet of the evaporation cavity, thereby realizing the normal refrigeration function of the refrigerator through the evaporator.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which like reference numerals refer to similar elements, and in which:

fig. 1 is a schematic view of a refrigerator according to an embodiment of the present disclosure;

fig. 2 is a schematic view of the structure of the inside of a refrigerator provided by an embodiment of the present disclosure;

Fig. 3 is a front view showing an internal structure of the refrigerator in the embodiment shown in fig. 2;

Fig. 4 is a sectional view of the refrigerator in the embodiment shown in fig. 1;

FIG. 5 is a schematic structural view of a grille assembly provided by an embodiment of the present disclosure;

FIG. 6 is a cross-sectional view of the grating elements of the embodiment of FIG. 5;

fig. 7 is a cross-sectional view of the grating assembly of the embodiment of fig. 5.

Reference numerals:

10. The box body, the evaporation cavity, 1011, the return air inlet, 102, the storage space, 103 and the stop part;

20. A door body;

30. Grid components, 301, grid pieces, 3011, vent holes, 3012, wind shields, 3013, connecting plates, 3014, first grid plates, 3015, second grid plates, 3016, third grid plates, 3017, fourth grid plates, 3018, limiting parts, 302, bulges;

40. the device comprises an actuation assembly, 401 a first actuation member, 402 a second actuation member.

Detailed Description

So that the manner in which the features and techniques of the disclosed embodiments can be understood in more detail, a more particular description of the embodiments of the disclosure, briefly summarized below, may be had by reference to the appended drawings, which are not intended to be limiting of the embodiments of the disclosure. In the following description of the technology, 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 still be practiced without these details. In other instances, well-known structures and devices may be shown simplified in order to simplify the drawing.

The terms first, second and the like in the description and in the claims of the embodiments of the disclosure and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe embodiments of the present disclosure. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.

In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe embodiments of the present disclosure and embodiments thereof and are not intended to limit the indicated device, element, or component to a particular orientation or to be constructed and operated in a particular orientation. Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the embodiments of the present disclosure will be understood by those of ordinary skill in the art in view of the specific circumstances.

In addition, the terms "disposed," "connected," "secured" and "affixed" are to be construed broadly. For example, the term "coupled" may be a fixed connection, a removable connection, or a unitary construction, may be a mechanical connection, or an electrical connection, may be a direct connection, or may be an indirect connection via an intermediary, or may be an internal communication between two devices, elements, or components. The specific meaning of the above terms in the embodiments of the present disclosure may be understood by those of ordinary skill in the art according to specific circumstances.

The term "plurality" means two or more, unless otherwise indicated.

In the embodiment of the present disclosure, the character "/" indicates that the front and rear objects are an or relationship. For example, A/B represents A or B.

The term "and/or" is an associative relationship that describes an object, meaning that there may be three relationships. For example, A and/or B, represent A or B, or three relationships of A and B.

It should be noted that, without conflict, the embodiments of the present disclosure and features of the embodiments may be combined with each other.

Referring to fig. 1 to 7, there is provided a refrigerator according to an embodiment of the present disclosure, including a cabinet 10, a door 20, a grill assembly 30, and a suction assembly 40. The case 10 includes an evaporation chamber 101 and a storage space 102, and the evaporation chamber 101 is located at the bottom of the case 10. The evaporation chamber 101 comprises a return air inlet 1011, and the evaporation chamber 101 and the storage space 102 are communicated through the return air inlet 1011 of the evaporation chamber 101. The door 20 is rotatably coupled to the case 10, and the door 20 is used to open or close the storage space 102. The grill assembly 30 is rotatably disposed at the return air inlet 1011 of the evaporation chamber 101. The center of gravity of the grill assembly 30 is not located on the rotational axis of the grill assembly 30 so that the grill assembly 30 can be rotated to a predetermined position by gravity. The engaging assembly 40 includes a first engaging member 401 provided to the grill assembly 30 and a second engaging member 402 provided in association with the door body 20. In the process of closing the door 20, the first engaging member 401 and the second engaging member 402 approach each other to attract each other, and drive the grille assembly 30 to rotate, so as to open the return air inlet 1011 of the evaporation chamber 101. In the process of opening the door 20, the first engaging member 401 is far away from the second engaging member 402, and the grille assembly 30 rotates to a preset position under the action of gravity to close the return air inlet 1011 of the evaporation cavity 101.

The refrigerator provided by the embodiment of the disclosure sets the grille assembly 30 and the engaging assembly 40 through the return air inlet 1011 of the evaporation cavity 101 at the bottom of the box 10, the first engaging member 401 is located on the grille assembly 30, the second engaging member 402 is in linkage with the door body 20, and the center of gravity of the grille assembly 30 is not located on the rotation axis of the grille assembly 30, so that the first engaging member 401 and the second engaging member 402 are far away in the opening process of the door body 20, and the grille assembly 30 rotates to a preset position under the action of gravity to close the return air inlet 1011 of the evaporation cavity 101. And when the door body 20 is opened, the wet air outside the box body 10 enters the evaporation cavity 101 through the return air inlet 1011 of the evaporation cavity 101, so that the frosting speed and frosting quantity of the evaporator are reduced, the period of heating and defrosting is prolonged, and the energy consumption is reduced. In addition, when the door 20 is closed, the first engaging member 401 and the second engaging member 402 are close to each other to attract each other, so as to drive the grille assembly 30 to rotate, so as to open the return air inlet 1011 of the evaporation cavity 101, thereby realizing the normal refrigeration function of the refrigerator through the evaporator.

Optionally, the grating assembly 30 comprises a grating element 301. The grille 301 is provided with ventilation holes 3011 and a windscreen 3012. The grille 301 is rotatably disposed at the return air inlet 1011 of the evaporation cavity 101, and the center of gravity of the grille 301 is not located on the rotation axis, and when the grille 301 rotates to a preset position under the action of gravity, the wind shield 3012 can shield the return air inlet 1011 of the evaporation cavity 101, so as to close the return air inlet 1011 of the evaporation cavity 101. The first engaging member 401 is disposed on the grille member 301, and in the process of closing the door 20, the first engaging member 401 and the second engaging member 402 are close to each other to attract each other, so as to drive the grille member 301 to rotate, and the ventilation hole 3011 is communicated with the evaporation cavity 101 and the storage space 102, so as to open the return air inlet 1011 of the evaporation cavity 101. When the number of the grid pieces 301 is one or more, when the number of the grid pieces 301 is multiple, the grid pieces 301 are vertically arranged at the air return port 1011 of the evaporation cavity 101, and when the grid pieces 301 rotate to a preset position under the action of gravity, the wind shields 3012 of the grid pieces 301 are abutted and blocked at the air return port 1011 of the evaporation cavity 101, so as to close the air return port 1011 of the evaporation cavity 101.

In this embodiment, the vent 3011 is provided in the grill 301 to allow the evaporation chamber 101 and the storage space 102 to communicate with each other by the vent 3011 of the grill 301, so that the normal cooling function of the refrigerator can be achieved by the evaporator. Moreover, by arranging the wind shield 3012, when the grid member 301 rotates to a preset position, the wind shield 3012 can be blocked from the air return port 1011 of the evaporation cavity 101, so as to close the air return port 1011 of the evaporation cavity 101. And further, under the condition that the door body 20 is opened, the wet air outside the box body 10 enters the evaporation cavity 101 through the return air inlet 1011 of the evaporation cavity 101, so that the frosting speed and frosting quantity of the evaporator are reduced, the period of heating and defrosting is prolonged, and the energy consumption is reduced. Meanwhile, in the case of including the plurality of grating members 301, the plurality of wind shields 3012 butt-jointed to the return air inlet 1011 of the evaporation chamber 101 through the plurality of grating plates, so that the plurality of wind shields 3012 are used to shield the return air inlet 1011 of the evaporation chamber 101, so as to close the return air inlet 1011 of the evaporation chamber 101.

Alternatively, as shown in connection with FIGS. 5, 6 and 7, the grid member 301 includes a plurality of grid plates and connection plates 3013. The plurality of grid plates are spaced apart to constitute the ventilation holes 3011 between the plurality of grid plates. A connection plate 3013 is connected to each grid plate. Wherein the grid plate located on the outside serves as a wind deflector 3012.

In this embodiment, the normal cooling function of the refrigerator is achieved by providing a plurality of louver plates to form the ventilation holes 3011 between the plurality of louver plates to communicate the evaporation chamber 101 and the storage space 102 using the ventilation holes 3011. In addition, by providing a plurality of grating plates, foreign matters entering the evaporation cavity 101 can be reduced, and the practicability of the refrigerator is improved. Meanwhile, the connecting plates 3013 are arranged to integrally construct a plurality of grating plates, so that the grating plates can rotate simultaneously, and the return air inlet 1011 of the evaporation cavity 101 can be opened or closed by using the grating elements 301. Under the condition that the door body 20 is opened, the wet air outside the box body 10 enters the evaporation cavity 101 through the return air inlet 1011 of the evaporation cavity 101, so that the frosting speed and frosting quantity of the evaporator are reduced, the period of heating and defrosting is prolonged, and the energy consumption is reduced.

Alternatively, as shown in connection with fig. 6 and 7, the plurality of grid plates includes a first grid plate 3014, a second grid plate 3015, a third grid plate 3016, and a fourth grid plate 3017. The first grid plate 3014, the second grid plate 3015, the third grid plate 3016, and the fourth grid plate 3017 are all connected to the connection plates 3013. When the return air inlet 1011 of the evaporation chamber 101 is closed, the fourth grid plate 3017 is used as a wind shield 3012 to block the return air inlet 1011 of the evaporation chamber 101, so as to close the return air inlet 1011 of the evaporation chamber 101. The first grid plate 3014 and the third grid plate 3016 have the same width, a. The second grid plate 3015 and the fourth grid plate 3017 have the same width B. Wherein A is less than B.

In this embodiment, the widths of the first grid plate 3014, the second grid plate 3015, the third grid plate 3016 and the fourth grid plate 3017 are set so as to implement that the center of gravity of the grid member 301 is not located on the rotation axis of the grid member 301, so that the grid member 301 can rotate to a preset position under the action of gravity, thereby closing the return air inlet 1011 of the evaporation chamber 101. Under the condition that the door body 20 is opened, the wet air outside the box body 10 enters the evaporation cavity 101 through the return air inlet 1011 of the evaporation cavity 101, so that the frosting speed and frosting quantity of the evaporator are reduced, the period of heating and defrosting is prolonged, and the energy consumption is reduced.

Alternatively, as shown in fig. 6 and 7, the first, second, third and fourth grid plates 3014, 3015, 3016 and 3017 are sequentially arranged at intervals to form the ventilation holes 3011. The first side end surfaces of the first grid plate 3014, the second grid plate 3015, and the third grid plate 3016 are flush, and the end surfaces of the fourth grid plate 3017 on the first side protrude from the end surfaces of the first grid plate 3014, the second grid plate 3015, and the third grid plate 3016 on the side so that the center of gravity of the grid member 301 is not located on the rotation axis. When the number of the grid members 301 is plural, the fourth grid plate 3017 of the adjacent grid members 301 is abutted against the return air inlet 1011 of the evaporation chamber 101 to close the return air inlet 1011 of the evaporation chamber 101.

In this embodiment, the first grid plate 3014, the second grid plate 3015, the third grid plate 3016, and the fourth grid plate 3017 are disposed in such a positional relationship that the center of gravity of the grid member 301 is not located on the rotation axis, and thus the grid member 301 can be rotated to a predetermined position by gravity to close the return air inlet 1011 of the evaporation chamber 101 when the door 20 is opened. Under the condition that the door body 20 is opened, the wet air outside the box body 10 enters the evaporation cavity 101 through the return air inlet 1011 of the evaporation cavity 101, so that the frosting speed and frosting quantity of the evaporator are reduced, the period of heating and defrosting is prolonged, and the energy consumption is reduced.

Alternatively, as shown in conjunction with fig. 6 and 7, the first grid plate 3014, the second grid plate 3015, the third grid plate 3016, and the fourth grid plate 3017 are parallel to each other. In this way, the ventilation speed of the ventilation hole 3011 can be increased when the return air inlet 1011 of the evaporation chamber 101 is opened, and the practicality of the grill 301 can be improved.

Optionally, as shown in connection with fig. 4-7, the case 10 further includes a stop 103. The stop part 103 is arranged on the cavity wall of the return air inlet 1011 of the evaporation cavity 101. The grill 301 further includes a spacing portion 3018. The limiting portion 3018 is provided on one side of the connection plate 3013. When the wind shield 3012 is blocked by the return air inlet 1011 of the evaporation cavity 101, the limiting portion 3018 abuts against the stop portion 103 of the box 10, so that the wind shield 3012 is vertically disposed in the return air inlet 1011 of the evaporation cavity 101. When the number of the grill 301 is plural, the limit portion 3018 of the grill 301 located on the upper side in the vertical direction abuts against the wind deflector 3012 of the grill 301 located on the upper and lower sides in the vertical direction adjacent thereto.

In this embodiment, the stopper 103 and the limiting portion 3018 are provided, so that the air deflector 3012 is vertically disposed at the return air inlet 1011 of the evaporation chamber 101 by the abutment of the stopper 103 and the limiting portion 3018, so that the return air inlet 1011 of the evaporation chamber 101 is closed. Meanwhile, in the case of the plurality of grid members 301, the limiting portion 3018 of the grid member 301 on the upper side in the vertical direction is abutted against the wind deflector 3012 of the grid member 301 on the upper and lower sides in the vertical direction adjacent to the limiting portion 3018, so that limiting fixation between the two adjacent grid members 301 is realized, and the plurality of wind deflectors 3012 are vertically arranged at the air return port 1011 of the evaporation cavity 101, so that the air return port 1011 of the evaporation cavity 101 is closed.

Optionally, the grid assembly 30 further comprises a first protrusion. The first protrusions are disposed at both ends of the grating 301. The case 10 further includes a first groove. The first protrusion is rotatably disposed in the first groove.

In this embodiment, the first protrusion is rotatably disposed in the first groove, so as to realize the rotational connection between the grille assembly 30 and the case 10, and further realize the opening and closing of the return air inlet 1011 of the evaporation cavity 101.

Optionally, the grill assembly 30 further includes a spindle. The rotating shaft penetrates through the grid member 301, and two ends of the rotating shaft protrude out of two opposite end surfaces of the grid member 301 to form a second protrusion. The case 10 further includes a second groove. The second protrusion is rotatably disposed in the second groove.

In this embodiment, the second protrusion is rotatably disposed in the second groove, so as to realize the rotational connection between the grille assembly 30 and the case 10, and further realize the opening and closing of the return air inlet 1011 of the evaporation cavity 101.

Specifically, as shown in connection with fig. 6, the protrusions 302 may be either the first protrusions or the second protrusions.

Illustratively, as shown in connection with FIG. 6, the axis of rotation C of the grating element is located on the protrusion 302, and the center of gravity of the grating element 301 is D. Thus, by setting the center of gravity of the grill 301 to the left of the rotation axis, the grill 301 is rotated to a preset position by gravity with the door body 20 opened.

Optionally, the first engaging member 401 comprises a first magnet member. The first magnet member is disposed at one side of the grid member 301. The second engaging member 402 includes a second magnet member. And is disposed in linkage with the door body 20 and opposite to the first magnet member. The second magnet has a magnetic property different from that of the first magnet.

In this embodiment, by providing the first magnet and the second magnet, the magnetism of the second magnet is different from that of the first magnet, so that the first magnet and the second magnet attract each other to drive the grille 301 to rotate under the condition that the door body 20 is closed, and further, the return air inlet 1011 of the evaporation cavity 101 is opened.

Alternatively, as shown in connection with fig. 4, the second actuating member 402 is disposed on the door body 20.

In this embodiment, the second engaging member 402 is disposed on the door 20, so that when the second engaging member 402 and the first engaging member 401 approach each other, a suction force can be generated, and the grille member 301 is driven to rotate, so as to open the return air inlet 1011 of the evaporation chamber 101.

Optionally, the refrigerator further comprises a connecting piece. The second actuating member 402 is coupled to the door body 20 via a coupling member.

In this embodiment, the linkage arrangement of the second engaging member 402 with the door body 20 is achieved by providing a connecting member. Moreover, by arranging the connecting piece, the distance between the first engaging piece 401 and the second engaging piece 402 can be reduced by the connecting piece when the distance between the first engaging piece 401 and the door body 20 is far, so that the first magnet piece and the second magnet piece are engaged with each other when the door body 20 is closed, the grille piece 301 is driven to rotate, and the return air inlet 1011 of the evaporation cavity 101 is opened.

It is understood that the connecting member may be a connecting rod or a wire, so long as the connecting member can enable the second engaging member 402 to be linked with the door body 20, that is, the second engaging member 402 can move along with the rotation of the door body 20. The embodiments of the present disclosure are not limited in this regard.

The above description and the drawings illustrate embodiments of the disclosure sufficiently to enable those skilled in the art to practice them. Other embodiments may include structural and other modifications. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in, or substituted for, those of others. The 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, comprising:

The box body comprises an evaporation cavity and a storage space, wherein the evaporation cavity is positioned at the bottom of the box body and comprises an air return port, and the evaporation cavity is communicated with the storage space through the air return port of the evaporation cavity;

The door body is rotationally connected with the box body and is used for opening or closing the storage space;

the gravity center of the grid assembly is not positioned on the rotation axis of the grid assembly, so that the grid assembly can rotate to a preset position under the action of gravity;

The suction assembly comprises a first suction piece arranged on the grid assembly and a second suction piece arranged in linkage with the door body;

In the process of closing the door body, the first suction piece and the second suction piece are close to each other so as to attract each other and drive the grid component to rotate so as to open the return air inlet of the evaporation cavity;

In the process of opening the door body, the first suction piece is far away from the second suction piece, and the grid component rotates to a preset position under the action of gravity so as to close the return air inlet of the evaporation cavity.

2. The refrigerator of claim 1, wherein the grill assembly comprises:

the grid piece is rotatably arranged at the air return opening of the evaporation cavity, the gravity center of the grid piece is not positioned on the rotating shaft line, and when the grid piece rotates to a preset position under the action of gravity, the air baffle can shield the air return opening of the evaporation cavity so as to close the air return opening of the evaporation cavity;

The first suction piece is arranged on the grid piece, and in the process of closing the door body, the first suction piece and the second suction piece are close to attract each other to drive the grid piece to rotate, so that the vent hole is communicated with the evaporation cavity and the storage space to open the return air inlet of the evaporation cavity;

The number of the grid pieces is one or more, when the grid pieces are multiple, the grid pieces are vertically arranged at the air return opening of the evaporation cavity, and when the grid pieces rotate to a preset position under the action of gravity, the wind shields of the grid pieces are abutted and shielded at the air return opening of the evaporation cavity so as to close the air return opening of the evaporation cavity.

3. The refrigerator of claim 2, wherein the grill member includes:

A plurality of grating plates arranged at intervals to form ventilation holes between the plurality of grating plates;

the connecting plate is connected with each grid plate;

Wherein the grid plate located on the outer side serves as a wind deflector.

4. The refrigerator of claim 3, wherein the plurality of grating plates include:

the first grating plate, the second grating plate, the third grating plate and the fourth grating plate are all connected with the connecting plate;

Under the condition that the air return opening of the evaporation cavity is closed, the fourth grating plate is used as a wind shield to shield the air return opening of the evaporation cavity so as to close the air return opening of the evaporation cavity;

The widths of the first grating plate and the third grating plate are equal and are A;

The widths of the second grating plate and the fourth grating plate are equal, and B is the same;

Wherein A is less than B.

5. The refrigerator according to claim 4, wherein,

The first grating plate, the second grating plate, the third grating plate and the fourth grating plate are sequentially arranged at intervals to form vent holes;

The end faces of the first side of the first grating plate, the second grating plate and the third grating plate are flush, and the end face of the fourth grating plate on the first side protrudes out of the end faces of the first grating plate, the second grating plate and the third grating plate on the side so that the gravity centers of the grating pieces are not positioned on the rotation axis;

When the grid pieces are in a plurality, the fourth grid plates of the adjacent grid pieces are abutted and blocked in the return air inlet of the evaporation cavity so as to close the return air inlet of the evaporation cavity.

6. The refrigerator according to claim 2, wherein,

The box still includes:

The stop part is arranged on the cavity wall of the evaporation cavity air return opening;

the grid member further includes:

The limit part is abutted with the stop part of the box body under the condition that the wind shield is blocked at the air return port of the evaporation cavity, so that the wind shield is vertically arranged at the air return port of the evaporation cavity;

When the number of the grid pieces is plural, the limit part of the grid piece positioned on the upper side in the vertical direction is abutted against the wind shield of the grid piece positioned on the upper side and the lower side in the vertical direction adjacent to the limit part.

7. The refrigerator according to claim 2, wherein,

The grille assembly further comprises:

the first bulges are arranged at two ends of the grid piece;

The box still includes:

the first protrusion is rotatably arranged in the first groove.

8. The refrigerator according to claim 2, wherein,

The grille assembly further comprises:

the rotating shafts penetrate through the grid pieces, and two ends of the rotating shafts protrude out of two opposite end surfaces of the grid pieces to form second bulges;

The box still includes:

the second bulge is rotationally arranged in the second groove.

9. The refrigerator according to any one of claims 2 to 7, wherein,

The first engaging member includes:

the first magnet piece is arranged on one side edge of the grid piece;

the second engaging member includes:

the second magnet piece is arranged in linkage with the door body and is opposite to the first magnet piece, and the magnetism of the second magnet piece is different from that of the first magnet piece.

10. The refrigerator according to any one of claims 1 to 7, wherein,

The second suction piece is arranged on the door body;

Or the refrigerator further comprises:

The connecting piece, the second actuation piece is connected with the door body through the connecting piece.