CN219889866U - Refrigerator with a refrigerator body - Google Patents

Abstract

The utility model relates to the technical field of household appliances and discloses a refrigerator. The refrigerator includes: the box body is provided with a storage cavity, and comprises a top wall, a bottom wall and a fixed shelf, wherein the fixed shelf is horizontally arranged in the storage cavity so as to divide the storage cavity into a plurality of compartments; the air duct is arranged on the box body and is provided with an air duct air outlet and an air duct air inlet, and the air duct air outlet and the air duct air inlet are communicated with the storage cavity; the air duct air outlet is arranged on the lower side plate body of the top wall and the lower side plate body of the fixed shelf, and the air duct air inlet is arranged on the upper side plate body of the bottom wall and the upper side plate body of the fixed shelf. The refrigerator provided by the embodiment of the disclosure can relieve the shielding of higher objects to the air outlet of the air duct and improve the uniformity of the temperature in the storage cavity.

Description

Refrigerator with a refrigerator body

Technical Field

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

Background

Refrigerators are used to provide a low temperature environment for articles, and more households are equipped with refrigerators. The refrigerator comprises a refrigerator body and an air duct arranged in the refrigerator body, wherein an air inlet of the air duct and an air outlet of the air duct are communicated with the storage cavity, the refrigerator absorbs gas from the storage cavity through the air inlet of the air duct, the gas flows through the surface of the evaporator to reduce the temperature of the gas, and then the gas returns to the refrigerating chamber through the air outlet of the air duct.

In the related art, an air duct outlet of a refrigerator is generally disposed at a rear wall of the refrigerator.

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

under the condition of placing higher articles, the higher articles can block part or all air outlets of the air duct, so that the temperature of one side of the storage cavity close to the refrigerator door is higher, and the uniformity of the temperature in the storage cavity is poorer.

It should be noted that the information disclosed in the above background section is only for enhancing understanding of the background of the utility model 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 Invention

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 can relieve shielding of higher objects to an air outlet of an air duct and improve uniformity of temperature in a storage cavity.

In some embodiments, a refrigerator includes: the box body is provided with a storage cavity, and comprises a top wall, a bottom wall and a fixed shelf, wherein the fixed shelf is horizontally arranged in the storage cavity so as to divide the storage cavity into a plurality of compartments; the air duct is arranged on the box body and is provided with an air duct air outlet and an air duct air inlet, and the air duct air outlet and the air duct air inlet are communicated with the storage cavity; the air duct air outlet is arranged on the lower side plate body of the top wall and the lower side plate body of the fixed shelf, and the air duct air inlet is arranged on the upper side plate body of the bottom wall and the upper side plate body of the fixed shelf.

In some embodiments, the housing is further configured with an evaporator chamber; the wind channel includes: the air inlet channel is provided with an air inlet of the air channel, and an air outlet of the air inlet channel is communicated with the air inlet side of the evaporator chamber; and the air outlet air duct is provided with an air outlet of the air duct, and an air inlet of the air outlet air duct is communicated with the air outlet side of the evaporator chamber.

In some embodiments, the case further comprises a rear wall; the air-out wind channel includes: the air outlet main air duct is vertically arranged in the rear wall; one or more air outlet branch air channels are horizontally arranged in the fixed shelf and the top wall and are communicated with the air outlet main air channel; the air outlet branch air duct is provided with one or more air outlet of the air duct, and one or more first avoidance holes are correspondingly formed in the lower side plate body of the top wall and the lower side plate body of the fixed shelf, so that the air outlet of the air duct is communicated with the storage cavity.

In some embodiments, each of the air outlet branch air ducts is provided with a plurality of air duct air outlets, and the area of the air duct air outlets gradually increases in a direction away from the air outlet main air duct.

In some embodiments, the air intake duct comprises: the air inlet main air duct is vertically arranged in the rear wall of the box body; one or more air inlet branch air channels are horizontally arranged in the fixed shelf and the bottom wall and are communicated with the air inlet main air channel; the air inlet branch air duct is provided with one or more air duct air inlets, and one or more second avoidance holes are correspondingly formed in the upper side plate body of the bottom wall and the upper side plate body of the fixed shelf, so that the air duct air inlets are communicated with the storage cavity.

In some embodiments, each air inlet branch air duct is provided with a plurality of air duct air inlets, and the areas of the air duct air inlets gradually increase along the direction away from the air inlet main air duct.

In some embodiments, a refrigerator includes: the first air outlet air duct is provided with a plurality of first air duct air outlets; and the second air outlet air channel is provided with a plurality of second air channel air outlets, the first air channel air outlet and the second air channel air outlet are respectively arranged on two sides of the lower side plate body of the fixed shelf, and/or the first air channel air outlet and the second air channel air outlet are respectively arranged on two sides of the lower side plate body of the top wall.

In some embodiments, the first air outlet duct is parallel to the second air outlet duct.

In some embodiments, the air duct air inlet is disposed in the middle of the upper side plate of the fixed shelf, and/or the air duct air inlet is disposed in the middle of the upper side plate of the bottom wall.

In some embodiments, the case is further provided with one or more securing structures; the refrigerator further includes: the rack is detachably arranged in the storage cavity through the fixing structure, and the rack is provided with one or more ventilation openings.

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

the refrigerator provided by the embodiment of the disclosure comprises a refrigerator body and an air duct. The box body is provided with a storage cavity, and a fixed shelf of the box body is horizontally arranged in the storage cavity so as to divide the storage cavity into a plurality of compartments. The air duct is arranged on the box body, and is provided with an air duct air outlet and an air duct air inlet, and the air duct air outlet and the air duct air inlet are communicated with the storage cavity. The air duct air outlet is arranged on the lower side plate body of the top wall and the lower side plate body of the fixed shelf, and the air duct air inlet is arranged on the upper side plate body of the bottom wall and the upper side plate body of the fixed shelf. With the arrangement, cold air flows through the corresponding compartments from top to bottom, so that when higher articles are placed, the refrigerator provided by the embodiment of the disclosure can relieve shielding of the air outlet of the air duct by the higher articles, and the temperature of one side of the storage cavity close to the refrigerator door is the same as the temperature of one side of the storage cavity far away from the refrigerator door, so that uniformity of the temperature in the storage cavity is improved.

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

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 cross-sectional view of a refrigerator provided in an embodiment of the present disclosure;

FIG. 3 is a schematic diagram of an air duct according to an embodiment of the present disclosure;

fig. 4 is a schematic structural view of a rack according to an embodiment of the present disclosure.

Reference numerals:

1. a case; 101. a storage cavity; 102. a top wall; 103. a bottom wall; 104. a fixed shelf; 105. a rear wall;

2. an air duct; 201. an air outlet of the air duct; 202. an air inlet of the air duct; 203. an air inlet duct; 2031. an air inlet main air duct; 2032. an air inlet branch air duct; 2033. the first air outlet duct; 2034. the second air outlet duct; 2035. a first air duct air outlet; 2036. the second air duct air outlet; 204. an air outlet duct; 2041. an air outlet main air duct; 2042. an air outlet branch air duct;

3. a rack; 301. a first shelf; 302. a second shelf; 3011. a first shelf body; 3012. a first mounting portion; 3013. a second mounting portion; 3014. a first vent; 3021. and a second ventilation hole.

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, "connected" may be in a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in 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, 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.

The embodiment of the disclosure provides a refrigerator, which can relieve shielding of higher objects to an air outlet of an air duct and improve uniformity of temperature in a storage cavity.

Referring to fig. 1, 2 and 3, a refrigerator provided in an embodiment of the present disclosure includes a cabinet 1 and an air duct 2.

The case 1 is configured with a storage chamber 101, the case 1 includes a top wall 102, a bottom wall 103, and a fixed shelf 104, and the fixed shelf 104 is horizontally disposed in the storage chamber 101 to divide the storage chamber 101 into a plurality of compartments.

The air duct 2 is arranged in the box body 1, the air duct 2 is provided with an air duct air outlet 201 and an air duct air inlet 202, and the air duct air outlet 201 and the air duct air inlet 202 are communicated with the storage cavity 101.

The air duct air outlet 201 is disposed on the lower side plate of the top wall 102 and the lower side plate of the fixed shelf 104, and the air duct air inlet 202 is disposed on the upper side plate of the bottom wall 103 and the upper side plate of the fixed shelf 104.

The refrigerator provided by the embodiment of the disclosure comprises a refrigerator body 1 and an air duct 2. The case 1 is configured with a storage chamber 101, and a fixed shelf 104 of the case 1 is horizontally disposed in the storage chamber 101 to divide the storage chamber 101 into a plurality of compartments. The air duct 2 is arranged in the box body 1, the air duct 2 is provided with an air duct air outlet 201 and an air duct air inlet 202, and the air duct air outlet 201 and the air duct air inlet 202 are communicated with the storage cavity 101. The air duct air outlet 201 is disposed on the lower side plate of the top wall 102 and the lower side plate of the fixed shelf 104, and the air duct air inlet 202 is disposed on the upper side plate of the bottom wall 103 and the upper side plate of the fixed shelf 104. With such arrangement, cold air flows through the corresponding compartments from top to bottom, so that when higher articles are placed, the refrigerator provided by the embodiment of the disclosure can relieve shielding of the air duct air outlet 201 by the higher articles, and the temperature of one side of the storage cavity 101 close to the refrigerator door is the same as the temperature of one side of the storage cavity 101 far away from the refrigerator door, so that uniformity of the temperature in the storage cavity 101 is improved.

It will be appreciated that the fixed shelf 104 is fixedly provided in the storage chamber 101, the fixed shelf 104 forming part of the case 1 and being non-detachable. The arrangement is convenient for arranging the air duct 2, and the air supply of each compartment from top to bottom is realized.

In some embodiments, the housing 1 is also configured with an evaporator chamber. The duct 2 includes an intake duct 203 and an exhaust duct 204. The air inlet duct 203 is provided with a duct air inlet 202, and an air outlet of the air inlet duct 203 is communicated with an air inlet side of the evaporator chamber. The air outlet duct 204 is provided with a duct air outlet 201, and an air inlet of the air outlet duct 204 is communicated with an air outlet side of the evaporator chamber.

It will be appreciated that the evaporator chamber has an evaporator disposed therein, the evaporator surface being relatively low in temperature and capable of cooling the flow of wind over its surface. The refrigerator draws gas from the storage cavity 101 through the air duct inlet 202 to form an air flow, the temperature of the air flow flowing through the evaporator chamber is reduced, and then the air flow is re-sent into the storage cavity 101 through the air duct outlet 201. Thus, the air cooling of the storage cavity is realized.

Optionally, the refrigerator further includes an air supply assembly, where the air supply assembly can draw air from the storage cavity 101 through the air duct inlet 202 of the air inlet duct 203 to form an air flow, and the air flow flows through the evaporator chamber, and then is re-sent into the storage cavity 101 through the air duct outlet 201 of the air outlet duct 204. By arranging the air supply assembly, power can be provided for the flow of the wind current.

Optionally, the air supply assembly comprises a motor and fan blades, an output shaft of the motor is connected with the fan blades, and the fan blades are driven to rotate through rotation of the output shaft of the motor, so that airflow is driven to flow.

In some embodiments, the case 1 further comprises a rear wall 105. The outlet air duct 204 includes an outlet main air duct 2041 and one or more outlet branch air ducts 2042. The main outlet duct 2041 is vertically disposed within the rear wall 105. The air outlet branch duct 2042 is horizontally disposed in the fixed shelf 104 and the top wall 102, and is in communication with the air outlet main duct 2041. The air outlet branch duct 2042 is configured with one or more duct air outlets 201, and one or more first avoidance holes are correspondingly configured on the lower side plate body of the top wall 102 and the lower side plate body of the fixed shelf 104, so that the duct air outlets 201 are communicated with the storage cavity 101.

The cold air is distributed to each air outlet branch air duct 2042 through the air outlet main air duct 2041, and then flows to each compartment of the storage cavity 101 through the air duct air outlet 201 of the air outlet branch air duct 2042. So configured, the refrigerator is capable of delivering cool air to the storage cavity 101. In addition, the main air outlet duct 2041 is vertically arranged in the rear wall 105, the branch air outlet duct 2042 is horizontally arranged in the fixed shelf 104 and the top wall 102, so that the arrangement is convenient, cold air flows through the corresponding compartments from top to bottom, shielding of higher objects to the air outlet 201 of the air duct is relieved, and the uniformity of temperature in the storage cavity 101 is improved.

In some embodiments, each of the outlet branch ducts 2042 is provided with a plurality of duct outlets 201, and the area of the duct outlets 201 gradually increases in a direction away from the outlet main duct 2041. The further from the main outlet duct 2041, that is, the further from the inlet end of the branch outlet duct 2042, the smaller the wind pressure. In the direction along keeping away from the main wind channel 2041 of air-out, through setting the area of wind channel air outlet 201 to increase gradually, be favorable to making the air-out volume of each air outlet comparatively unanimous, improve the homogeneity of temperature in the storing chamber 101.

In some embodiments, the intake stack 203 includes a main intake stack 2031 and one or more branch intake stacks 2032. The main intake duct 2031 is vertically arranged in the rear wall 105 of the case 1. The air intake branch duct 2032 is horizontally disposed in the fixed shelf 104 and the bottom wall 103, and is communicated with the air intake main duct 2031. The air inlet branch duct 2032 is configured with one or more air duct air inlets 202, and one or more second avoidance holes are correspondingly configured on the upper side plate body of the bottom wall 103 and the upper side plate body of the fixed shelf 104, so that the air duct air inlets 202 are communicated with the storage cavity 101.

The air flows into each air inlet branch air duct 2032 through the air duct air inlets 202 of each compartment, and then is collected in the air inlet main air duct, and then flows through the evaporator to realize cooling of the air flow. So set up, the arrangement of being convenient for realizes that cold wind flows through corresponding room from top to bottom, alleviates the shielding of higher article to wind channel air outlet 201, improves the homogeneity of temperature in the storing chamber.

In some embodiments, each of the air intake branch air ducts 2032 is provided with a plurality of air duct inlets 202, and the area of the air duct inlets 202 gradually increases in a direction away from the air intake main air duct 2031. The farther from the main intake duct 2031, the smaller the suction force. In the direction along keeping away from main wind channel 2031 of air inlet, through setting up the area of wind channel air intake 202 to increase gradually, be favorable to making the intake of each air intake comparatively unanimous, improve the homogeneity of air inlet, and then improve the homogeneity of temperature in the storing chamber 101.

In some embodiments, the refrigerator includes a first air outlet duct 2033 and a second air outlet duct 2034. The first air outlet duct 2033 is provided with a plurality of first air outlet duct 2035. The second air outlet duct 2034 is provided with a plurality of second air outlet duct 2036, the first air outlet duct 2035 and the second air outlet duct 2036 are respectively disposed on two sides of the lower plate body of the fixed shelf 104, and/or the first air outlet duct 2035 and the second air outlet duct 2036 are respectively disposed on two sides of the lower plate body of the top wall 102. The air outlets are arranged at the two sides of the upper part of each compartment in the storage cavity, so that the uniformity of the temperature of each compartment is improved.

In some embodiments, the first out wind channel 2033 is parallel to the second out wind channel 2034. The arrangement is beneficial to improving the uniformity of the temperature in the storage cavity.

In some embodiments, the air duct intake 202 is disposed in the middle of the upper side plate of the fixed shelf 104, and/or the air duct intake 202 is disposed in the middle of the upper side plate of the bottom wall 103. The wind flows from the two sides of the top of the compartment to the middle of the bottom of the compartment, and the arrangement is beneficial to increasing the flow path of the wind flow and further improving the uniformity of the temperature in each compartment.

In some embodiments, the case is further provided with one or more securing structures. The refrigerator further includes a rack 3, the rack 3 being detachably disposed in the storage cavity 101 by a fixing structure, the rack 3 being configured with one or more vents. The arrangement of the rack 3 is beneficial to increasing the space utilization rate of each compartment in the storage cavity 101. The detachable connection of the rack 3 and the storage cavity 101 is realized through the fixed structure, so that the rack 3 is convenient to detach. In addition, by constructing a plurality of ventilation openings in the rack 3, the wind flow can flow through the rack 3, shielding of the wind flow can be avoided, and uniformity of temperature in the storage chamber 101 can be improved.

Alternatively, referring to fig. 4, the rack 3 includes a first shelf 301 and a second shelf 302. The first shelf 301 includes a first shelf body 3011, a first mounting portion 3012, and a second mounting portion 3013, the first mounting portion 3012 and the second mounting portion 3013 being disposed at opposite side ends of the first shelf body 3011 and both being located at a lower side of the first shelf body 3011. The first mounting portion 3012, the second mounting portion 3013, and the first shelf body 3011 enclose a receiving space. Note that the lower side of the first shelf body 3011 is based on the orientation of the rack 3 when it is normally mounted for use. The second shelf 302 is telescopically disposed in the receiving space. Wherein the first shelf body 3011 is configured with one or more first vent holes 3014 and the second shelf 302 is correspondingly configured with one or more second vent holes 3021.

The rack provided by the embodiment of the disclosure is telescopic, so that when higher objects are placed, the height of the storage layer can be increased by shortening at least one rack without dismantling the rack. Therefore, the number of the storage layers is unchanged, only part of the space of the storage layers is sacrificed, and the space utilization rate of the refrigeration equipment is improved. Meanwhile, the detached rack does not need to be properly placed, so that the use experience of a user is improved. In addition, the first shelf body is provided with one or more first ventilation holes, the second shelf is correspondingly provided with one or more second ventilation holes, and cold air in the refrigeration equipment can flow through the rack, so that the uniformity of temperature in the refrigeration equipment is improved.

In some embodiments, the first vent and the second vent are provided in a bar shape, and an orthographic projection of the first vent on the second shelf coincides with the second vent with the second shelf fully retracted into the receiving space. So set up, at the flexible in-process of putting the thing board, can reduce the shielding to first ventilation hole and second ventilation hole, make more cold wind flow through, improve the homogeneity of temperature in the refrigeration plant.

In some embodiments, the first mounting portion includes a first flap edge for connection with the refrigerator. Through setting up first hem, first hem turns over the hem and turns over downwards, is convenient for can dismantle with the refrigerator and be connected.

In some embodiments, the second mounting portion includes a second turnup edge and a support bar disposed on a side of the second turnup edge facing the first turnup edge. Wherein the second flap, the support bar and the first shelf body define a guide rail slot into which the first side end of the second shelf is adapted to be inserted. Through setting up second flanging and support bar, the first side of the second shelf of being convenient for is fixed, and the first side of second shelf can slide along the guide rail groove to realize the flexible of putting the thing board. In addition, the existing telescopic structure mostly sets up several flexible gears, and this embodiment of the disclosure rack through setting up the guide rail groove, and the electrodeless flexible of second shelf can be realized to the second shelf, and the flexible length of second shelf is unrestricted promptly, is favorable to further improving the convenience that the shelf used.

Alternatively, the second shelf may be capable of extending or retracting the accommodating space in the first direction, and the first vent hole and the second vent hole may each extend in the first direction. So set up, at the flexible in-process of putting the thing board, can further reduce the shielding to first ventilation hole and second ventilation hole.

Taking the first ventilation hole and the second ventilation hole both perpendicular to the first direction as an example for explanation, because the telescopic length of the object placing plate is not limited, then in the telescopic process of the object placing plate, partial ventilation holes may be blocked, and in the embodiment of the disclosure, no matter how far the object placing plate is telescopic, the first ventilation hole always corresponds to the second ventilation hole, and the blocking degree to the first ventilation hole and the second ventilation hole is very small.

Optionally, the length of the first shelf is equal to the length of the second shelf. So set up, the flexible degree of rack is the biggest.

In some embodiments, the refrigeration appliance further includes an L-shaped support block. The L-shaped supporting block comprises a fixed side end and a free side end, the fixed side end is fixedly connected to the rear wall, the free side end extends upwards to be matched with the rear wall to form an installation groove with an upward opening, and the first turnover edge of the first shelf is suitable for being inserted into the installation groove. The side end of the first turnover edge in the first shelf is convenient to be detachably connected with the refrigeration equipment. And the reliability of the connection mode is high, the first shelf is required to be moved upwards, the first turnover edge is separated from the mounting groove, and then the first shelf is moved towards the opening direction of the storage chamber, so that the first shelf can be taken out from the storage chamber. In this way, the risk of accidental falling off of the first shelf can be reduced.

Optionally, the L-shaped support block is provided in an elongated shape, and a length of the L-shaped support block is equal to a width of the rear wall. By the arrangement, the fixing strength of the first flanging in the first shelf can be improved.

In some embodiments, the first side wall of the case is provided with a first limit bar and a second limit bar parallel to the first limit bar, and the first limit bar and the second limit bar cooperate to form a first fixing groove. The first shelf body comprises a fifth side end perpendicular to the first mounting part, and the fifth side end of the first shelf body is suitable for being inserted into the first fixing groove. So set up, the fifth side of the first shelf body of convenient to detachably fixed.

Further, the first shelf can be detachably fixed to the case by detachably fixing the fifth side end of the first shelf and the first flap.

In some embodiments, the second shelf includes a second side end opposite the first side end; the second side end of the second shelf is located between the free side end and the first shelf body with the rack mounted to the case. The free side end provides support for the second side end of the second shelf, a certain space is reserved between the first shelf body and the free side end, so that the second shelf can slide, extend or retract into the accommodating space, and electrodeless extension and retraction of the rack are realized.

Further, the free side end supports a second side end of the second shelf, and the second mounting portion of the first shelf supports a first side end of the second shelf. In this way, the second shelf can be slidably disposed in the accommodation space under the first shelf.

In some embodiments, the lower surface of the first stop bar is coplanar with the free side end, and the height of the first stop bar is equal to the thickness of the second shelf. By the arrangement, enough sliding space can be reserved for the second shelf, and the second shelf can be slidably arranged.

In some embodiments, the case further includes a second side wall, the second side wall is provided with a third limit bar and a fourth limit bar parallel to the third limit bar, and the third limit bar and the fourth limit bar cooperate to form a second fixing groove. Wherein the second shelf includes a third side end perpendicular to the first side end, and the third side end of the second shelf is adapted to be inserted into the second fixing groove. So set up, when the second shelf stretches out to the furthest, the third side of second shelf inserts the second fixed slot to further fix the second shelf, be favorable to improving the load of rack, and can further avoid the rack to drop.

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 is provided with a storage cavity, and comprises a top wall, a bottom wall and a fixed shelf, wherein the fixed shelf is horizontally arranged in the storage cavity so as to divide the storage cavity into a plurality of compartments; and, a step of, in the first embodiment,

the air duct is arranged on the box body and is provided with an air duct air outlet and an air duct air inlet, and the air duct air outlet and the air duct air inlet are communicated with the storage cavity;

the air duct air outlet is arranged on the lower side plate body of the top wall and the lower side plate body of the fixed shelf, and the air duct air inlet is arranged on the upper side plate body of the bottom wall and the upper side plate body of the fixed shelf.

2. The refrigerator of claim 1, wherein the cabinet is further configured with an evaporator chamber; the wind channel includes:

the air inlet channel is provided with an air inlet of the air channel, and an air outlet of the air inlet channel is communicated with the air inlet side of the evaporator chamber; and, a step of, in the first embodiment,

the air outlet is provided with an air outlet of the air channel, and an air inlet of the air outlet is communicated with the air outlet side of the evaporator chamber.

3. The refrigerator of claim 2, wherein the cabinet further comprises a rear wall; the air-out wind channel includes:

the air outlet main air duct is vertically arranged in the rear wall;

one or more air outlet branch air channels are horizontally arranged in the fixed shelf and the top wall and are communicated with the air outlet main air channel;

the air outlet branch air duct is provided with one or more air outlet of the air duct, and one or more first avoidance holes are correspondingly formed in the lower side plate body of the top wall and the lower side plate body of the fixed shelf, so that the air outlet of the air duct is communicated with the storage cavity.

4. The refrigerator of claim 3, wherein each of the air outlet branch air ducts is provided with a plurality of air duct air outlets, and the area of the air duct air outlets is gradually increased in a direction away from the air outlet main air duct.

5. The refrigerator of any one of claims 2 to 4, wherein the air inlet duct includes:

the air inlet main air duct is vertically arranged in the rear wall of the box body;

one or more air inlet branch air channels are horizontally arranged in the fixed shelf and the bottom wall and are communicated with the air inlet main air channel;

the air inlet branch air duct is provided with one or more air duct air inlets, and one or more second avoidance holes are correspondingly formed in the upper side plate body of the bottom wall and the upper side plate body of the fixed shelf, so that the air duct air inlets are communicated with the storage cavity.

6. The refrigerator of claim 5, wherein each of the air inlet branch ducts is provided with a plurality of duct air inlets, and the area of the duct air inlets is gradually increased in a direction away from the main air inlet duct.

7. The refrigerator according to any one of claims 1 to 4, wherein the refrigerator includes:

the first air outlet air duct is provided with a plurality of first air duct air outlets; and, a step of, in the first embodiment,

the second air outlet air duct is provided with a plurality of second air duct air outlets, and the first air duct air outlet and the second air duct air outlet are respectively arranged on two sides of the lower side plate body of the fixed shelf, and/or the first air duct air outlet and the second air duct air outlet are respectively arranged on two sides of the lower side plate body of the top wall.

8. The refrigerator of claim 7, wherein the first air outlet duct is parallel to the second air outlet duct.

9. The refrigerator according to any one of claims 1 to 4, wherein the air duct air inlet is provided at a middle portion of the upper side plate body of the fixed shelf, and/or the air duct air inlet is provided at a middle portion of the upper side plate body of the bottom wall.

10. The refrigerator according to any one of claims 1 to 4, wherein the cabinet is further provided with one or more fixing structures; the refrigerator further includes:

the rack is detachably arranged in the storage cavity through the fixing structure, and the rack is provided with one or more ventilation openings.