Refrigerator

Abstract

The utility model relates to a refrigerator, which belongs to the technical field of refrigeration equipment, and comprises a box body, a mounting box, a compressor, an evaporator, an air return port, a ventilation shell, a fourth air outlet and a third air outlet, the mounting box is arranged on the inner bottom wall of the box body; the compressor is arranged in the box body; the evaporator is arranged in the mounting box and is connected with the compressor; the return air inlet is formed in the mounting box; the inner space of the box body is composed of a first containing cavity, a second containing cavity and a third containing cavity which are sequentially connected. The second accommodating cavity is positioned above the mounting box; the ventilation shell is attached to the side wall of the box body and communicates with the mounting box; the fourth air outlet is formed in the side, facing the third containing cavity, of the ventilation shell. The third air outlet is formed in the side, facing the second containing cavity, of the ventilation shell.

Description

Technical Field

[0001] The present application relates to the technical field of refrigeration equipment, and in particular to a refrigerator. Background Art

[0002] A freezer is a household or commercial appliance used to refrigerate or freeze food and items. It usually uses refrigeration technology to keep the temperature at a lower level to keep the food fresh and extend its shelf life.

[0003] In the prior art, a refrigerator comprises a box body, an evaporator is arranged inside the box body, an air duct is arranged inside the box body, and an air port connected to the air duct is opened on the inner side wall of the box body, so that cold air from the evaporator enters the box body through the air duct and the air port.

[0004] However, in order to improve the refrigeration effect in the refrigerator, air is usually discharged through multiple air vents to achieve the effect of air circulation. The refrigerator in the prior art is designed with multiple air ducts, each of which is provided with air vents so that the air vents are separated from each other and blow in different directions, thereby achieving air circulation. However, it is necessary to set up multiple air ducts in the refrigerator, which is costly. Utility Model Content

[0005] The utility model solves one of the technical problems in the related art at least to a certain extent.

[0006] To this end, the present application aims to provide a refrigerator, in which the cold air after refrigeration by the evaporator enters the ventilation shell, and an air duct for the flow of cold air is formed in the ventilation shell. The cold air is output to the room through the fourth air outlet and the third air outlet. Because the air outlet directions of the fourth air outlet and the third air outlet are different, the effect of wind circulation is achieved, and there is no need to set up multiple air ducts, thereby reducing costs.

[0007] In order to achieve the above object, the utility model provides a refrigerator, comprising:

[0008] A box body, wherein the top of the box body is open;

[0009] An installation box, the installation box is arranged on the inner bottom wall of the box body;

[0010] A compressor, wherein the compressor is arranged in the box;

[0011] an evaporator, the evaporator being arranged inside the installation box and connected to the compressor;

[0012] A return air inlet, the return air inlet being opened in the installation box;

[0013] The internal space of the box body is composed of a first accommodating chamber, a second accommodating chamber and a third accommodating chamber connected in sequence; the second accommodating chamber is located above the installation box;

[0014] A ventilation shell, the ventilation shell is attached to the side wall of the box body, and the ventilation shell is connected to the installation box;

[0015] a fourth air outlet, the fourth air outlet being disposed on a side of the ventilation shell facing the third accommodating chamber;

[0016] A third air outlet is provided on a side of the ventilation shell facing the second accommodating cavity.

[0017] In the technical solution, the cold air after being cooled by the evaporator enters the ventilation shell, and an air duct for the flow of cold air is formed in the ventilation shell. The cold air is output to the room through the fourth air outlet and the third air outlet. Since the air outlet directions of the fourth air outlet and the third air outlet are different, the effect of wind circulation is achieved, and there is no need to set up multiple air ducts, thereby reducing costs.

[0018] In addition, the present application also provides a refrigerator, which includes:

[0019] A box body, wherein the top of the box body is open;

[0020] An installation box, the installation box is arranged on the inner bottom wall of the box body;

[0021] A compressor, wherein the compressor is arranged in the box;

[0022] an evaporator, the evaporator being arranged inside the installation box and connected to the compressor;

[0023] A return air inlet, the return air inlet being opened in the installation box;

[0024] The internal space of the box body is composed of a first accommodating chamber, a second accommodating chamber and a third accommodating chamber connected in sequence; the second accommodating chamber is located above the installation box;

[0025] A ventilation shell, the ventilation shell is attached to the side wall of the box body, and the ventilation shell is connected to the installation box;

[0026] a second air outlet, the second air outlet being disposed on a side of the ventilation shell facing the first accommodating cavity;

[0027] A fourth air outlet is provided on a side of the ventilation shell facing the third accommodating cavity.

[0028] In the technical solution, the cold air after being cooled by the evaporator enters the ventilation shell, and an air duct for the flow of cold air is formed in the ventilation shell. The cold air is output to the room through the second air outlet and the fourth air outlet. Since the air outlet directions of the second air outlet and the fourth air outlet are different, the effect of wind circulation is achieved, and there is no need to set up multiple air ducts, thereby reducing costs.

[0029] In some embodiments of the present application, the length direction of the fourth air outlet is the same as the height direction of the box.

[0030] In the technical solution, the air volume passing through the fourth air outlet is increased, and the fourth air outlet is close to the corresponding inner wall of the box body to improve the air circulation effect.

[0031] In addition, the present application also provides a refrigerator, which includes:

[0032] A box body, wherein the top of the box body is open;

[0033] An installation box, the installation box is arranged on the inner bottom wall of the box body;

[0034] A compressor, wherein the compressor is arranged in the box;

[0035] an evaporator, the evaporator being arranged inside the installation box and connected to the compressor;

[0036] A return air inlet, the return air inlet being opened in the installation box;

[0037] The internal space of the box body is composed of a first accommodating chamber, a second accommodating chamber and a third accommodating chamber connected in sequence; the second accommodating chamber is located above the installation box;

[0038] A ventilation shell, the ventilation shell is attached to the side wall of the box body, and the ventilation shell is connected to the installation box;

[0039] a second air outlet, the second air outlet being disposed on a side of the ventilation shell facing the first accommodating cavity;

[0040] A third air outlet is provided on a side of the ventilation shell facing the second accommodating cavity.

[0041] In the technical solution, the cold air after being cooled by the evaporator enters the ventilation shell, and an air duct for the flow of cold air is formed in the ventilation shell. The cold air is output to the room through the second air outlet and the third air outlet. Since the air outlet directions of the second air outlet and the third air outlet are different, the effect of wind circulation is achieved, and there is no need to set up multiple air ducts, thereby reducing costs.

[0042] In some embodiments of the present application, the length direction of the second air outlet is the same as the height direction of the box body.

[0043] In the technical solution, the air volume passing through the second air outlet is increased, and the second air outlet is close to the corresponding inner wall of the box body to improve the air circulation effect.

[0044] In some embodiments of the present application, a step is formed upward on the inner bottom wall of the box body, and the installation box is attached to the side wall of the step; the third accommodating cavity is located above the step.

[0045] In the technical solution, the steps are formed so that the compressor can be accommodated under the steps, which facilitates the overall layout of the box.

[0046] In some embodiments of the present application, the capacity of the first accommodating cavity is greater than that of the second accommodating cavity, and the capacity of the first accommodating cavity is greater than that of the third accommodating cavity.

[0047] In some embodiments of the present application, the return air outlet is arranged at an end of the installation box away from the ventilation shell.

[0048] In the technical solution, this ensures that the wind output through the second air outlet, the fourth air outlet, and the third air outlet flows through the first accommodating chamber, the second accommodating chamber, and the third accommodating chamber and then flows back to the installation box through the return air port, thereby increasing the flow path length of the cold air in the box, thereby improving the cooling effect.

[0049] In some embodiments of the present application, a fan is provided in the ventilation shell.

[0050] In the technical solution, the cold air cooled by the evaporator is sent into the ventilation shell by a fan to increase the output speed of the cold air.

[0051] In some embodiments of the present application, the length direction of the evaporator is the same as the length direction of the installation box, and the length direction of the installation box is perpendicular to the length direction of the box body.

[0052] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0053] Figure 1 is a schematic diagram of the overall structure of a refrigerator according to an embodiment of the present application;

[0054] Figure 2 is a cross-sectional view of a refrigerator according to an embodiment of the present application;

[0055] Figure 3 is a schematic diagram of the overall structure of the internal structure of a refrigerator according to an embodiment of the present application;

[0056] Figure 4 is a cross-sectional view of a refrigerator according to an embodiment of the present application;

[0057] Figure 5 is a schematic diagram of the overall structure of a refrigerator according to an embodiment of the present application;

[0058] Figure 6 is a cross-sectional view of a refrigerator according to an embodiment of the present application;

[0059] Figure 7 is a schematic diagram of the overall structure of the internal structure of a refrigerator according to an embodiment of the present application;

[0060] Figure 8 is a cross-sectional view of a refrigerator according to an embodiment of the present application

[0061] Fig. 9 is a schematic diagram of the overall structure of a refrigerator according to an embodiment of the present application;

[0062] Fig.10 It is a schematic diagram of the overall structure of the internal structure of the refrigerator according to the embodiment of the present application.

[0063] In the above figures: 100, box body; 101, inner tank; 300, evaporator; 400, installation box; 401, return air outlet; 500, ventilation shell; 602, second air outlet; 604, fourth air outlet; 603, third air outlet. DETAILED DESCRIPTION

[0064] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0065] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0066] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0067] In the present utility model, the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0068] The present invention is described in detail below by way of exemplary embodiments. However, it should be understood that, without further description, elements, structures and features in one embodiment may also be beneficially combined in other embodiments.

[0069] In the present application, the refrigerator includes a box body, a door body and a refrigeration system: the box body is usually made of metal or plastic and has certain heat preservation performance. A refrigeration chamber or a freezer chamber is arranged inside the box body. The door body is used to open and close the refrigerator. The refrigeration system includes a compressor, a condenser, an evaporator and a refrigerant, etc. The heat inside the refrigerator is transferred to the outside, thereby achieving a cooling effect.

[0070] Hereinafter, embodiments of the present application will be described in detail with reference to the accompanying drawings.

[0071] As attached Figures 1 to 4 As shown, in an exemplary embodiment of the refrigerator of the present invention, the refrigerator includes: a box body 100, an installation box 400, a compressor, an evaporator 300, a return air outlet 401, a ventilation shell 500, a fourth air outlet 604 and a third air outlet 603, wherein the top of the box body 100 is open.

[0072] The installation box 400 is disposed on the inner bottom wall of the box body 100 .

[0073] The compressor is disposed in the housing 100 .

[0074] The evaporator 300 is disposed inside the installation box 400 , and the evaporator 300 is connected to the compressor.

[0075] The return air port 401 is opened in the installation box 400 .

[0076] The internal space of the box body 100 is composed of a first accommodating chamber, a second accommodating chamber and a third accommodating chamber which are connected in sequence; the second accommodating chamber is located above the installation box 400 .

[0077] The ventilation shell 500 is attached to the side wall of the box body 100 , and the ventilation shell 500 is communicated with the installation box 400 .

[0078] The fourth air outlet 604 is disposed on a side of the ventilation shell 500 facing the third accommodating cavity.

[0079] The third air outlet 603 is disposed on a side of the ventilation shell 500 facing the second accommodating cavity.

[0080] Through the above scheme, the cold air cooled by the evaporator 300 enters the ventilation shell 500, and an air duct for the flow of cold air is formed in the ventilation shell 500. The cold air is output to the room through the fourth air outlet 604 and the third air outlet 603. Since the air outlet directions of the fourth air outlet 604 and the third air outlet 603 are different, the effect of wind circulation is achieved, and there is no need to set up multiple air ducts, thereby reducing costs.

[0081] In some embodiments, the box body 100 is rectangular, and the opening of the box body 100 is opened on the upper surface of the box body 100 .

[0082] In some embodiments, the length direction of the box body 100 is arranged horizontally.

[0083] In some embodiments, the first accommodating cavity, the second accommodating cavity, and the third accommodating cavity are arranged along the length direction of the box body 100 .

[0084] In some embodiments, the length direction of the fourth air outlet 604 is the same as the height direction of the box 100. The air volume through the fourth air outlet 604 is increased, and the fourth air outlet 604 is close to the corresponding inner wall of the box 100 to improve the air circulation effect.

[0085] In some embodiments, the air outlet direction of the fourth air outlet 604 is the depth direction of the fourth air outlet 604 .

[0086] In some embodiments, the air outlet direction of the fourth air outlet 604 is the same as the length direction of the box body 100 .

[0087] In some embodiments, a plurality of fourth air outlets 604 are arranged at intervals along the height direction of the housing 100 .

[0088] In some embodiments, a plurality of fourth air outlets 604 are spaced apart along the length direction of the housing 100 .

[0089] By providing a plurality of fourth air outlets 604 , the air volume output through the fourth air outlets 604 is increased, thereby improving the cooling effect.

[0090] In some embodiments, the air outlet direction of the third air outlet 603 is the depth direction of the third air outlet 603 .

[0091] In some embodiments, the length direction of the third air outlet 603 is the same as the length direction of the box body 100 .

[0092] In some embodiments, the air outlet direction of the third air outlet 603 is perpendicular to the length direction of the box body 100 .

[0093] In some embodiments, the air outlet direction of the third air outlet 603 is perpendicular to the side wall of the ventilation shell 500 where it is located.

[0094] In some embodiments, the third air outlet 603 is close to the opening of the box body 100 .

[0095] In some embodiments, a plurality of third air outlets 603 are arranged at intervals along the length direction of the housing 100 .

[0096] In some embodiments, a plurality of third air outlets 603 are arranged at intervals along the height direction of the housing 100 .

[0097] By providing a plurality of third air outlets 603 , the air volume output through the third air outlets 603 is increased, thereby improving the cooling effect.

[0098] Please refer to Figures 5 to 8 In addition, the present application also provides a refrigerator, which includes:

[0099] The box body 100 has an open top;

[0100] An installation box 400, which is disposed on the inner bottom wall of the box body 100;

[0101] A compressor, which is arranged in the box 100;

[0102] An evaporator 300, which is disposed inside the installation box 400 and is connected to the compressor;

[0103] The return air inlet 401 is provided in the installation box 400;

[0104] The internal space of the box body 100 is composed of a first accommodating chamber, a second accommodating chamber and a third accommodating chamber which are connected in sequence; the second accommodating chamber is located above the installation box 400;

[0105] A ventilation shell 500, the ventilation shell 500 is attached to the side wall of the box body 100, and the ventilation shell 500 is communicated with the installation box 400;

[0106] A second air outlet 602, which is provided on a side of the ventilation shell 500 facing the first accommodating cavity;

[0107] The fourth air outlet 604 is disposed on a side of the ventilation shell 500 facing the third accommodating cavity.

[0108] Through the above scheme, the cold air cooled by the evaporator 300 enters the ventilation shell 500, and an air duct for the flow of cold air is formed in the ventilation shell 500. The cold air is output to the room through the second air outlet 602 and the fourth air outlet 604. Since the air outlet directions of the second air outlet 602 and the fourth air outlet 604 are different, the effect of wind circulation is achieved, and there is no need to set up multiple air ducts, thereby reducing costs.

[0109] In some embodiments, the box body 100 is rectangular, and the opening of the box body 100 is opened on the upper surface of the box body 100 .

[0110] In some embodiments, the length direction of the box body 100 is arranged horizontally.

[0111] In some embodiments, the first accommodating cavity, the second accommodating cavity, and the third accommodating cavity are arranged along the length direction of the box body 100 .

[0112] In some embodiments, the length direction of the second air outlet 602 is the same as the height direction of the box 100. The air volume passing through the second air outlet 602 is increased, and the second air outlet 602 is close to the corresponding inner wall of the box 100 to improve the air circulation effect.

[0113] In some embodiments, the air outlet direction of the second air outlet 602 is the depth direction of the second air outlet 602 .

[0114] In some embodiments, the air outlet direction of the second air outlet 602 is the same as the length direction of the box body 100 .

[0115] In some embodiments, a plurality of second air outlets 602 are arranged at intervals along the height direction of the housing 100 .

[0116] In some embodiments, a plurality of second air outlets 602 are spaced apart along the length direction of the housing 100 .

[0117] By providing a plurality of second air outlets 602 , the air volume output through the second air outlets 602 is increased, thereby improving the cooling effect.

[0118] In some embodiments, the length direction of the fourth air outlet 604 is the same as the height direction of the box 100. The air volume through the fourth air outlet 604 is increased, and the fourth air outlet 604 is close to the corresponding inner wall of the box 100 to improve the air circulation effect.

[0119] In some embodiments, the air outlet direction of the fourth air outlet 604 is the depth direction of the fourth air outlet 604 .

[0120] In some embodiments, the air outlet direction of the fourth air outlet 604 is the same as the length direction of the box body 100 .

[0121] In some embodiments, a plurality of fourth air outlets 604 are arranged at intervals along the height direction of the housing 100 .

[0122] In some embodiments, a plurality of fourth air outlets 604 are spaced apart along the length direction of the housing 100 .

[0123] In some embodiments, the air outlet direction of the fourth air outlet 604 is opposite to the air outlet direction of the second air outlet 602 .

[0124] By providing a plurality of fourth air outlets 604 , the air volume output through the fourth air outlets 604 is increased, thereby improving the cooling effect.

[0125] Please refer to Figures 9 and 10 In addition, the present application also provides a refrigerator, which includes:

[0126] The box body 100 has an open top;

[0127] An installation box 400, which is disposed on the inner bottom wall of the box body 100;

[0128] A compressor, which is arranged in the box 100;

[0129] An evaporator 300, which is disposed inside the installation box 400 and is connected to the compressor;

[0130] The return air inlet 401 is provided in the installation box 400;

[0131] The internal space of the box body 100 is composed of a first accommodating chamber, a second accommodating chamber and a third accommodating chamber which are connected in sequence; the second accommodating chamber is located above the installation box 400;

[0132] A ventilation shell 500, the ventilation shell 500 is attached to the side wall of the box body 100, and the ventilation shell 500 is communicated with the installation box 400;

[0133] A second air outlet 602, which is provided on a side of the ventilation shell 500 facing the first accommodating cavity;

[0134] The third air outlet 603 is disposed on a side of the ventilation shell 500 facing the second accommodating cavity.

[0135] Through the above scheme, the cold air cooled by the evaporator 300 enters the ventilation shell 500, and an air duct for the flow of cold air is formed in the ventilation shell 500. The cold air is output to the room through the second air outlet 602 and the third air outlet 603. Since the air outlet directions of the second air outlet 602 and the third air outlet 603 are different, the effect of wind circulation is achieved, and there is no need to set up multiple air ducts, thereby reducing costs.

[0136] In some embodiments, the box body 100 is rectangular, and the opening of the box body 100 is opened on the upper surface of the box body 100 .

[0137] In some embodiments, the length direction of the box body 100 is arranged horizontally.

[0138] In some embodiments, the first accommodating cavity, the second accommodating cavity, and the third accommodating cavity are arranged along the length direction of the box body 100 .

[0139] In some embodiments, the length direction of the second air outlet 602 is the same as the height direction of the box 100. The air volume passing through the second air outlet 602 is increased, and the second air outlet 602 is close to the corresponding inner wall of the box 100 to improve the air circulation effect.

[0140] In some embodiments, the air outlet direction of the second air outlet 602 is the depth direction of the second air outlet 602 .

[0141] In some embodiments, the air outlet direction of the second air outlet 602 is the same as the length direction of the box body 100 .

[0142] In some embodiments, a plurality of second air outlets 602 are arranged at intervals along the height direction of the housing 100 .

[0143] In some embodiments, a plurality of second air outlets 602 are spaced apart along the length direction of the housing 100 .

[0144] By providing a plurality of second air outlets 602 , the air volume output through the second air outlets 602 is increased, thereby improving the cooling effect.

[0145] In some embodiments, the air outlet direction of the third air outlet 603 is the depth direction of the third air outlet 603 .

[0146] In some embodiments, the length direction of the third air outlet 603 is the same as the length direction of the box body 100 .

[0147] In some embodiments, the air outlet direction of the third air outlet 603 is perpendicular to the length direction of the box body 100 .

[0148] In some embodiments, the air outlet direction of the third air outlet 603 is perpendicular to the side wall of the ventilation shell 500 where it is located.

[0149] In some embodiments, the third air outlet 603 is close to the opening of the box body 100 .

[0150] In some embodiments, a plurality of third air outlets 603 are arranged at intervals along the length direction of the housing 100 .

[0151] In some embodiments, a plurality of third air outlets 603 are arranged at intervals along the height direction of the housing 100 .

[0152] By providing a plurality of third air outlets 603 , the air volume output through the third air outlets 603 is increased, thereby improving the cooling effect.

[0153] In some embodiments, the inner bottom wall of the box body 100 is formed with a step upward, and the installation box 400 is attached to the side wall of the step; the third accommodating cavity is located above the step. By forming the step, the compressor can be accommodated below the step, which facilitates the overall layout of the box body 100.

[0154] In some embodiments, the step is located at one end of the length direction of the box body 100. The upper surface of the step is directly connected to the vertical side wall at one end of the length direction of the box body 100.

[0155] In some embodiments, the side of the installation box 400 close to the step is attached to the vertical side panel of the step.

[0156] In some embodiments, a second grille is provided at the second air outlet 602, and the second grille is detachably connected to the second air outlet 602. The second grille can partially block the air volume passing through the second air outlet 602, and the air volume passing through the second air outlet 602 can be adjusted by changing the second grille, so that the cooling capacity can be adjusted according to different needs.

[0157] In some embodiments, the second grille has a second ventilation hole, and the air output through the second air outlet 602 is input into the box body 100 through the second ventilation hole.

[0158] In some embodiments, the second grille has a plurality of second ventilation holes, and the plurality of second ventilation holes together achieve output of cool air.

[0159] In some embodiments, different second grilles may have different numbers of second ventilation holes. Different second grilles may be replaced according to different requirements to achieve different air volumes, thereby changing the cooling effect.

[0160] In some embodiments, the second ventilation holes of different second grilles may have different apertures. Different second grilles may be replaced according to different requirements to achieve different air volumes, thereby changing the cooling effect.

[0161] In some embodiments, the sum of the apertures of all the second ventilation holes on different second grilles may be different, thereby ensuring that the air outputs of different second grilles are different.

[0162] In some embodiments, the length direction of the second grille is the same as the length direction of the second air outlet 602 .

[0163] In some embodiments, if there are multiple second air outlets 602, the multiple second air outlets 602 are arranged at intervals along the length direction of the second grille.

[0164] In some embodiments, if there are multiple second air outlets 602 , the multiple second air outlets 602 are arranged at intervals along the length direction of the second air outlet 602 .

[0165] In some embodiments, the second grille is connected to the second air outlet 602 by snapping together with a snap-on or snap-on slot.

[0166] In some embodiments, the second grille is connected to the second air outlet 602 by a threaded connector, which includes but is not limited to screws and bolts.

[0167] In some embodiments, a fourth grille is provided at the fourth air outlet 604, and the fourth grille is detachably connected to the fourth air outlet 604. The fourth grille can partially block the air volume through the fourth air outlet 604, and the air volume through the fourth air outlet 604 can be adjusted by changing the fourth grille, so that the cooling capacity can be adjusted according to different needs.

[0168] In some embodiments, the fourth grille has a fourth ventilation hole, and the air output through the fourth air outlet 604 is input into the box body 100 through the third ventilation hole.

[0169] In some embodiments, the fourth grille has a plurality of fourth ventilation holes, and the plurality of fourth ventilation holes together achieve output of cold air.

[0170] In some embodiments, different fourth grilles may have different numbers of fourth ventilation holes. Different fourth grilles may be replaced according to different requirements to achieve different air volumes, thereby changing the cooling effect.

[0171] In some embodiments, the fourth ventilation holes of different fourth grilles may have different apertures. Different fourth grilles may be replaced according to different requirements to achieve different air volumes, thereby changing the cooling effect.

[0172] In some embodiments, the sum of the apertures of all fourth ventilation holes on different fourth grilles may be different, thereby ensuring that the air outputs of different fourth grilles are different.

[0173] In some embodiments, the length direction of the fourth grille is the same as the length direction of the fourth air outlet 604 .

[0174] In some embodiments, if there are multiple fourth air outlets 604 , the multiple fourth air outlets 604 are arranged at intervals along the length direction of the fourth grille.

[0175] In some embodiments, if there are multiple fourth air outlets 604 , the multiple fourth air outlets 604 are arranged at intervals along the length direction of the fourth air outlet 604 .

[0176] In some embodiments, the fourth grille is connected to the fourth air outlet 604 by snapping together with a snap-on or snap-on slot.

[0177] In some embodiments, the fourth grille is connected to the fourth air outlet 604 by a threaded connection, which includes but is not limited to screws and bolts.

[0178] In some embodiments, a third grille is provided at the third air outlet 603, and the third grille is detachably connected to the third air outlet 603. The third grille can partially block the air volume passing through the third air outlet 603, and the air volume passing through the third air outlet 603 can be adjusted by changing the third grille, so that the cooling capacity can be adjusted according to different needs.

[0179] In some embodiments, the third grille has a third ventilation hole, and the air output through the third air outlet 603 is input into the box body 100 through a fourth ventilation hole.

[0180] In some embodiments, the third grille has a plurality of third ventilation holes, and the plurality of third ventilation holes together realize the output of cold air.

[0181] In some embodiments, different third grilles may have different numbers of third ventilation holes. Different third grilles may be replaced according to different requirements to achieve different air volumes, thereby changing the cooling effect.

[0182] In some embodiments, the apertures of the third ventilation holes of different third grilles may be different. Different third grilles may be replaced according to different requirements to achieve different air volumes, thereby changing the cooling effect.

[0183] In some embodiments, the sum of the apertures of all the third ventilation holes on different third grilles may be different, thereby ensuring that the air outputs of different third grilles are different.

[0184] In some embodiments, the length direction of the third grille is the same as the length direction of the third air outlet 603 .

[0185] In some embodiments, if there are multiple third air outlets 603, the multiple third air outlets 603 are arranged at intervals along the length direction of the third grille.

[0186] In some embodiments, if there are multiple third air outlets 603 , the multiple third air outlets 603 are arranged at intervals along the length direction of the third air outlet 603 .

[0187] In some embodiments, the third grille is connected to the third air outlet 603 by snapping together with a snap-on or snap-on slot.

[0188] In some embodiments, the third grille is connected to the third air outlet 603 by a threaded connector, which includes but is not limited to screws and bolts.

[0189] In some embodiments, the capacity of the first accommodating cavity is greater than that of the second accommodating cavity, and the capacity of the first accommodating cavity is greater than that of the third accommodating cavity.

[0190] In some embodiments, the length direction of the evaporator 300 is the same as the length direction of the installation box 400 , and the length direction of the installation box 400 is perpendicular to the length direction of the cabinet 100 .

[0191] The evaporator 300 has an output section and an input end, and the return air port 401 is close to the input end of the evaporator 300 .

[0192] The air enters the installation box 400 through the return air port 401, and the air moves along the evaporator 300 under the action of the fan, and the air is cooled when passing through the evaporator 300. The contact area and duration of the air and the evaporator 300 are increased.

[0193] In some embodiments, the vent casing 500 is disposed at one end of the mounting box 400 close to the output end of the evaporator 300 .

[0194] In some embodiments, the return air port 401 is disposed at one end of the installation box 400 away from the ventilation shell 500. This ensures that the wind output through the second air outlet 602, the fourth air outlet 604, and the third air outlet 603 flows through the first accommodating cavity, the second accommodating cavity, and the third accommodating cavity and then flows back to the installation box 400 through the return air port 401, thereby increasing the flow path length of the cold air in the box body 100, thereby improving the cooling effect.

[0195] In some embodiments, a fan is provided in the ventilation shell 500. The cold air cooled by the evaporator 300 is sent into the ventilation shell 500 by the fan to increase the output speed of the cold air.

[0196] In some embodiments, the fan is a centrifugal fan, and the circumferential direction of the centrifugal fan is the same as the length direction of the evaporator 300 .

[0197] The centrifugal fan can quickly transfer the airflow passing through the evaporator 300 to the ventilation shell 500, thereby increasing the air volume and wind speed.

[0198] In some embodiments, the fan is an axial flow fan, which is disposed in the ventilation shell 500 , and the axial direction of the axial flow fan is the same as the length direction of the evaporator 300 .

[0199] In some embodiments, the box body 100 includes an inner liner 101 , and the step is formed by bending the inner liner 101 .

[0200] In some embodiments, a first air outlet is provided on the ventilation shell 500 or the installation box 400 .

[0201] In some embodiments, the plane where the upper surface of the installation box 400 is located is defined as a first reference plane, the first reference plane divides the first accommodating cavity, the first chamber is below the first reference plane, and the second chamber is above the first reference plane;

[0202] The second air outlet 602 faces the second chamber.

[0203] In some embodiments, the cross-sectional areas of the second air outlet 602, the third air outlet 603, and the fourth air outlet 604 are S2, S3, and S4, respectively;

[0204] Among them, S2+S3+S4=S10;

[0205] The capacities of the second chamber, the second accommodating chamber, and the third accommodating chamber are V2, X2, and X3, respectively;

[0206] Among them, V2+X2+X3=V10.

[0207] In some embodiments, 0.88≤(S2+S3 / S10) / (V2+X2 / V10)≤1.48 is satisfied.

[0208] Further, (S2+S3 / S10) / (V2+X2 / V10)=1.18.

[0209] In some embodiments, 0.78≤(S2+S4 / S10) / (V2+X3 / V10)≤1.38 is satisfied.

[0210] Further, (S2+S4 / S10) / (V2+X3 / V10)=1.08.

[0211] In some embodiments, 1.32≤(S3+S4 / S10) / (X2+X3 / V10)≤1.92 is satisfied.

[0212] Further, (S3+S4 / S10) / (X2+X3 / V10)=12.62.

[0213] According to the above data, the second air outlet 602, the third air outlet 603 and the fourth air outlet 604 can meet the use requirements when they are combined in pairs.

[0214] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A refrigerator, characterized in that: It includes: A box body, wherein the top of the box body is open; An installation box, the installation box is arranged on the inner bottom wall of the box body; A compressor, wherein the compressor is arranged in the box; an evaporator, the evaporator being arranged inside the installation box and connected to the compressor; A return air inlet, the return air inlet being opened in the installation box; The internal space of the box body is composed of a first accommodating chamber, a second accommodating chamber and a third accommodating chamber connected in sequence; the second accommodating chamber is located above the installation box; A ventilation shell, the ventilation shell is attached to the side wall of the box body, and the ventilation shell is connected to the installation box; a fourth air outlet, the fourth air outlet being disposed on a side of the ventilation shell facing the third accommodating chamber; A third air outlet is provided on a side of the ventilation shell facing the second accommodating cavity.

2. A refrigerator, characterized in that: It includes: A box body, wherein the top of the box body is open; An installation box, the installation box is arranged on the inner bottom wall of the box body; A compressor, wherein the compressor is arranged in the box; an evaporator, the evaporator being arranged inside the installation box and connected to the compressor; A return air inlet, the return air inlet being opened in the installation box; The internal space of the box body is composed of a first accommodating chamber, a second accommodating chamber and a third accommodating chamber connected in sequence; the second accommodating chamber is located above the installation box; A ventilation shell, the ventilation shell is attached to the side wall of the box body, and the ventilation shell is connected to the installation box; a second air outlet, the second air outlet being disposed on a side of the ventilation shell facing the first accommodating cavity; A fourth air outlet is provided on a side of the ventilation shell facing the third accommodating cavity.

3. The refrigerator according to claim 1 or 2, characterized in that: The length direction of the fourth air outlet is the same as the height direction of the box body.

4. A refrigerator, characterized in that: It includes: A box body, wherein the top of the box body is open; An installation box, the installation box is arranged on the inner bottom wall of the box body; A compressor, wherein the compressor is arranged in the box; an evaporator, the evaporator being arranged inside the installation box and connected to the compressor; A return air inlet, the return air inlet being opened in the installation box; The internal space of the box body is composed of a first accommodating chamber, a second accommodating chamber and a third accommodating chamber connected in sequence; the second accommodating chamber is located above the installation box; A ventilation shell, the ventilation shell is attached to the side wall of the box body, and the ventilation shell is connected to the installation box; a second air outlet, the second air outlet being disposed on a side of the ventilation shell facing the first accommodating cavity; A third air outlet is provided on a side of the ventilation shell facing the second accommodating cavity.

5. The refrigerator according to claim 2 or 4, characterized in that: The length direction of the second air outlet is the same as the height direction of the box body.

6. The refrigerator according to claim 1, 2 or 4, characterized in that: The inner bottom wall of the box body is formed with a step upward, and the installation box is attached to the side wall of the step; the third accommodating cavity is located above the step.

7. The refrigerator according to claim 1, 2 or 4, characterized in that: The capacity of the first accommodating chamber is greater than that of the second accommodating chamber, and the capacity of the first accommodating chamber is greater than that of the third accommodating chamber.

8. The refrigerator according to claim 1, 2 or 4, characterized in that: The return air port is arranged at one end of the installation box away from the ventilation shell.

9. The refrigerator according to claim 1, 2 or 4, characterized in that: A fan is arranged in the ventilation shell.

10. The refrigerator according to claim 1, 2 or 4, characterized in that: The length direction of the evaporator is the same as the length direction of the installation box, and the length direction of the installation box is perpendicular to the length direction of the box body.

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