CN219221375U - Balancing valve for refrigeration equipment and refrigerator - Google Patents

Abstract

The application relates to the field of refrigeration equipment and discloses a balance valve and a refrigerator for refrigeration equipment. The balancing valve includes: the valve body defines an air outlet channel, and two ends of the air outlet channel are respectively suitable for being communicated with the liner and the press cabin of the refrigeration equipment; a first valve plate positioned in the air flow channel and capable of moving relative to the air flow channel under the action of air flow flowing through the air flow channel so as to open or close the air flow channel; the second valve plate is positioned in the air flow channel, along the flow direction of air flow in the air flow channel, the first valve plate and the second valve plate are sequentially arranged, and the second valve plate can move relative to the air flow channel under the action of air flow flowing through the air flow channel so as to open or close the air flow channel. In the application, the double valve plates are sequentially arranged in the airflow channel, an air cavity is formed between the first valve plate and the second valve plate, the air inside and outside the refrigerator is isolated, frosting is reduced, and cold air leakage is prevented; when the door is opened, the valve plate is opened, and the negative pressure is reduced.

Description

Balancing valve for refrigeration equipment and refrigerator

Technical Field

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

Background

At present, the existing balance valve for refrigeration equipment, such as a balance valve on a refrigerator, is mostly communicated with the inside and the outside of the refrigerator by adopting a one-way valve, and the pressure difference between the inside and the outside is reduced by air inlet when the door is opened, so that the door is finally opened to save labor. The one-way valve allows the air flow inside and outside the refrigerator to be exchanged, and cold air in the refrigerator can flow out when the door is not opened, so that energy waste is caused; and because the cold and hot air flow exchange exists inside and outside the refrigerator all the time, frosting is easy to occur at the cold and hot air flow exchange position in the one-way valve, and the one-way valve hole is easy to be blocked with the increase of the service time.

Related art discloses a freezer, including balanced valve, frost-resistant pipe and collection frost box. The balance valve is a one-way valve, the frost collecting box is connected with the frost resisting pipe and the balance valve, the frost resisting pipe comprises a dehumidifying pipe and a waterproof breathable film, the frosting quantity on the inner container of the cabinet body can be reduced, and the period of cleaning frosting is increased.

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:

the frost prevention pipe is added in the related technology, so that the frosting time can be prolonged to a certain extent, the problem of frost blockage is solved with little effect, and the problem of energy waste cannot be solved.

It should be noted that the information disclosed in the foregoing background section is only for enhancing understanding of the background of the present 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 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 balance valve for refrigeration equipment and a refrigerator, so as to solve the problems of frost blockage of a single valve hole, energy waste and the like.

According to a first aspect of an embodiment of the present utility model, there is provided a balance valve for a refrigeration apparatus, comprising: the valve body defines an air outlet channel, and two ends of the air outlet channel are respectively suitable for being communicated with the liner and the press cabin of the refrigeration equipment; a first valve plate which is positioned in the air flow channel and can move relative to the air flow channel under the action of air flow flowing through the air flow channel so as to open or close the air flow channel; the second valve plate is positioned in the air flow channel, along the flow direction of air flow in the air flow channel, the first valve plate and the second valve plate are sequentially arranged, and the second valve plate can move relative to the air flow channel under the action of air flow flowing through the air flow channel so as to open or close the air flow channel.

Optionally, an included angle different from zero exists between the first valve plate and the vertical direction.

Optionally, the diapire face of air current passageway is equipped with first arch, first valve block upper end with valve body swing joint, the lower extreme of first valve block with first protruding looks butt just is located first bellied low reaches.

Optionally, an included angle which is different from zero exists between the second valve plate and the vertical direction.

Optionally, the diapire face of air current passageway is equipped with the second arch, second valve block upper end with valve body swing joint, the lower extreme of second valve block with the protruding looks butt of second and be located the bellied low reaches of second.

Optionally, the balancing valve for the refrigeration equipment further comprises: the frost storage box is arranged in the inner container and is connected with the tail end of the valve body, and the frost storage box is communicated with the airflow channel.

Optionally, the frost storage box is detachably connected with the valve body.

According to a second aspect of an embodiment of the present utility model, there is provided a refrigerator, including: the inner container is used for defining a refrigerating space; pressing a cabin; the balance valve for a refrigeration apparatus according to the above embodiment, both ends of the air flow passage are respectively communicated with the refrigeration space and the press cabin.

Optionally, the valve body is movably connected with the inner container so as to adjust the distance between the valve body and the inner container; and/or the valve body is movably connected with the press cabin so as to adjust the distance between the valve body and the press cabin.

Optionally, the refrigerator further includes: the heating piece is abutted with the outer surface of the valve body and positioned between the second valve plate and the frost storage box.

The balance valve and the refrigerator for the refrigeration equipment provided by the embodiment of the disclosure can realize the following technical effects:

the first valve block and the second valve block are arranged in the balance valve, and are both in closed positions under the condition that the door is not opened, wherein an air cavity is formed between the first valve block and the second valve block, so that the air inside and outside the refrigerator can be effectively isolated, the large temperature difference air flow inside and outside the refrigerator can not be directly contacted, frost is reduced, frost blockage is relieved, and the cooling capacity in the refrigerator can not be leaked; when the door is opened, the first valve plate and the second valve plate are positioned at the opening positions, so that the air flow inside and outside the refrigerator is communicated, the negative pressure for opening the door is reduced, and the labor saving for opening the door is realized.

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

FIG. 2 is a schematic cross-sectional view of a balance valve for a refrigeration appliance according to an embodiment of the present disclosure;

FIG. 3 is a schematic cross-sectional view of a portion of another refrigerator provided in an embodiment of the present disclosure;

fig. 4 is a schematic view of a partial structure of a refrigerator according to an embodiment of the present disclosure;

fig. 5 is a schematic cross-sectional view of a refrigerator provided in an embodiment of the present disclosure;

fig. 6 is a schematic partial structure of another refrigerator provided in an embodiment of the present disclosure;

fig. 7 is a partial schematic view of a further refrigerator provided in an embodiment of the present disclosure.

Reference numerals:

10: a refrigerator;

100: a balancing valve; 110: a valve body; 111: a clamping groove; 112: a first valve body; 113: a second valve body; 114: a sliding mechanism; 120: an air flow channel; 130: a first valve plate; 140: a second valve plate; 150: a first protrusion; 160: a second protrusion; 170: a frost storage box; 171: a case body; 172: a box cover; 173: a clamping protrusion; 180: a first sealing plate; 190: a second sealing plate; 1100: sealing the clamping groove; 1110: a vent;

200: an inner container;

300: pressing a cabin;

400: a heating member;

500: a sealing sheet;

700: and a limiting plate.

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.

As shown in connection with fig. 1-7, embodiments of the present disclosure provide a balancing valve 100 for a refrigeration appliance and a refrigerator 10.

As shown in fig. 1 and 2, the balance valve 100 for a refrigeration apparatus includes a valve body 110, a first valve sheet 130, and a second valve sheet 140. Wherein, the valve body 110 defines an air flow channel 120, and two ends of the air flow channel 120 are respectively suitable for being communicated with the liner 200 and the press cabin 300 of the refrigeration equipment; the first valve sheet 130 is located in the airflow channel 120 and is movable with respect to the airflow channel 120 by the airflow flowing through the airflow channel 120 to open or close the airflow channel 120; the second valve plate 140 is located in the airflow channel 120, and the second valve plate 140 is along the flowing direction of the airflow in the airflow channel 120; the first valve plate 130 and the second valve plate 140 are sequentially disposed, and the second valve plate 140 can move relative to the air flow channel 120 under the action of the air flow flowing through the air flow channel 120, so as to open or close the air flow channel 120.

By adopting the first valve plate 130 and the second valve plate 140 arranged in the balance valve 100 for the refrigeration equipment provided by the embodiment of the disclosure, the air inside and outside the refrigerator 10 can be blocked, and under the condition that the door is not opened, the first valve plate 130 and the second valve plate 140 are both in the closed position, wherein an air cavity is formed between the first valve plate 130 and the second valve plate 140, the air inside and outside the refrigerator 10 can be effectively isolated, and the cooling capacity in the refrigerator 10 can not leak. When the door is opened, the first valve plate 130 and the second valve plate 140 are in the opening position under the action of the air flow flowing through the air flow channel 120, so that the air flow inside and outside the refrigerator 10 is communicated, the negative pressure for opening the door is reduced, and the labor saving for opening the door is realized.

Optionally, as shown in fig. 1, the first valve plate 130 forms an angle with the vertical direction that is different from zero.

In this scheme, the first valve plate 130 is located in the airflow channel 120, and an included angle between the first valve plate 130 and the vertical direction is set to be different from zero, as shown in fig. 1 a, under the action of gravity, the first valve plate 130 has a tendency to move towards the vertical direction, so as to increase the pressure of the first valve plate 130 for blocking the airflow channel 120, and improve the tightness.

In this solution, an elastic connecting piece may be further disposed between the first valve plate 130 and the valve body 110, where the first valve plate 130 abuts against the bottom wall of the valve body 110 under the action of the elastic connecting piece; and/or an elastic member is provided between the first valve sheet 130 and the upper wall of the valve body 110, so that the first valve sheet 130 is abutted against the upper wall of the valve body 110.

Alternatively, in this embodiment, the included angle between the first valve plate 130 and the vertical direction may be zero. For example, a flexible body is disposed at the lower end of the first valve plate 130, and the whole length of the first valve plate 130 is lengthened to enable the flexible body at the bottom of the first valve plate 130 to be attached to the bottom wall of the valve body 110, so that the first valve plate 130 can completely seal the airflow channel 120.

Optionally, as shown in fig. 1, a bottom wall surface of the airflow channel 120 is provided with a first protrusion 150, an upper end of the first valve plate 130 is movably connected with the valve body 110, and a lower end of the first valve plate 130 abuts against the first protrusion 150 and is located downstream of the first protrusion 150.

In this scheme, set up first protruding 150 at the diapire of air current passageway 120, and, first protruding 150 and the lower extreme butt of first valve block 130 can block first valve block 130 to vertical direction motion, when not needing to open the door, first valve block 130 moves to the lower extreme of first valve block 130 and first protruding 150 butt to the vertical direction under the effect of gravity, blocks up air current passageway 120 completely, prevents cold volume loss.

Optionally, in this embodiment, the length of the first valve plate 130 may be further increased to be greater than the height of the airflow channel 120, so that when the first valve plate 130 is installed in the airflow channel 120, the lower end of the first valve plate 130 can be abutted against the bottom wall of the airflow channel 120, and meanwhile, the bottom wall of the airflow channel 120 is configured to be matched with the lower end of the first valve plate 130, and the first valve plate 130 is matched with the bottom wall of the airflow channel 120 under the action of gravity to block the airflow channel 120.

In this scheme, the weighting device may be further disposed at the lower end of the first valve plate 130, so as to increase the pressure of the first valve plate 130 on the first protrusion 150, increase the tightness, and control the door opening force.

Optionally, as shown in fig. 1, the second valve plate 140 forms an angle with the vertical direction that is different from zero.

In this solution, the second valve plate 140 is located in the airflow channel 120, and an included angle between the second valve plate 140 and the vertical direction is set to be different from zero, as shown in fig. 1 b, under the action of gravity, the second valve plate 140 has a tendency to move towards the vertical direction, so as to increase the pressure for blocking the airflow channel 120, and improve the tightness.

In this solution, an elastic connection element may be further disposed between the second valve plate 140 and the bottom wall of the valve body 110, so as to tighten the second valve plate 140 to make the second valve plate 140 abut against the bottom wall of the valve body 110; and/or, an elastic connecting piece is arranged between the second valve plate 140 and the upper wall of the valve body 110, so that the pressure of the second valve plate 140 abutting against the bottom wall of the valve body 110 is increased, and the tightness is improved.

Alternatively, in this embodiment, the included angle between the second valve plate 140 and the vertical direction may be zero. For example, a flexible body is disposed at the lower end of the second valve plate 140, and the whole length of the second valve plate 140 is lengthened to enable the flexible body at the bottom of the second valve plate 140 to be attached to the bottom wall of the valve body 110, so that the second valve plate 140 can completely seal the airflow channel 120.

Optionally, as shown in fig. 1, a bottom wall surface of the airflow channel 120 is provided with a second protrusion 160, an upper end of the second valve plate 140 is movably connected with the valve body 110, and a lower end of the second valve plate 140 abuts against the second protrusion 160 and is located downstream of the second protrusion 160.

In this scheme, set up the second arch 160 at the diapire of air current passageway 120, and, the lower extreme butt of second protruding 160 and second valve block 140 can block second valve block 140 to vertical direction motion, when not needing to open the door, second valve block 140 moves to vertical direction under the effect of gravity and reaches the lower extreme of second valve block 140 and the bellied 160 butt of second, blocks up air current passageway 120 completely, prevents cold volume loss.

Optionally, in this embodiment, the length of the second valve plate 140 may be further increased to be greater than the height of the airflow channel 120, so that when the second valve plate 140 is installed in the airflow channel 120, the lower end of the second valve plate 140 can be abutted against the bottom wall of the airflow channel 120, and meanwhile, the bottom wall of the airflow channel 120 is configured to be matched with the lower end of the second valve plate 140, and the second valve plate 140 is matched with the bottom wall of the airflow channel 120 under the action of gravity to block the airflow channel 120.

In this scheme, can also set up the weighting device at the lower extreme of second valve block 140 to increase the pressure of second valve block 140 to second arch 160, increase the leakproofness, can control the dynamics of opening the door simultaneously.

Optionally, as shown in fig. 1 to 3, the balance valve 100 for a refrigeration apparatus further includes a frost storage box 170 provided in the inner container 200, connected to the end of the valve body 110, and the frost storage box 170 communicates with the air flow passage 120.

In this scheme, the balance valve 100 is communicated with the inside of the liner 200 and the press cabin 300, wherein, the liner 200 and the press cabin 300 are both provided with connecting holes, the position of the connecting holes inside the liner 200 is lower than that of the connecting holes of the press cabin 300, the frost storage box 170 is arranged in the liner 200, the frost storage box 170 is connected with the balance valve 100, and condensed water in the frost storage box 170 flows into the frost storage box 170 through the inclined airflow channel 120, so that the condensed water is prevented from being stagnated in the frost storage box 170 to be condensed into frost, and the frost blockage problem of the balance valve 100 is caused.

Alternatively, as shown in fig. 3 and 4, the cream container 170 is detachably connected to the valve body 110.

In this solution, the frost storage box 170 includes a box body 171 and a box cover 172, the box body 171 and the box cover 172 are integrated, the box body 171 is inserted between the liner 200 and the press cabin 300 from the inside of the liner 200 through the liner 200 connecting hole, and the box cover 172 is located in the liner 200 and is abutted against the inner wall of the liner 200; the outer wall of the box body 171 is provided with a clamping protrusion 173, the inner wall of the balance valve 100 is provided with a clamping groove 111 matched with the clamping protrusion 173, and the balance valve 100 is connected with the frost storage box 170 through the matching of the clamping protrusion 173 and the clamping groove 111, so that condensed water in the frost storage box 170 can flow into the frost storage box 170 through the airflow channel 120; wherein the storage case 170 is removable for cleaning to ensure that the balancing valve 100 does not create a frost blockage problem.

Alternatively, in this embodiment, the frost storage 170 and the balance valve 100 may be non-detachable. For example, the frost storage 170 is integrated with the balance valve 100, and the balance valve 100 is provided in a sectional type, so that the frost storage 170 and a section of the balance valve 100 integrated with the frost storage 170 can be removed and cleaned when the frost is collected on the frost storage 170.

Referring to fig. 5, an embodiment of a second aspect of the present application provides a refrigerator 10 comprising a liner 200, a compressor compartment 300, and a balancing valve 100 for a refrigeration appliance according to any of the above embodiments. Wherein the liner 200 defines a refrigerating space; the air flow passage 120 communicates with the refrigerating space and the press cabin 300 at both ends thereof, respectively.

The refrigerator 10 provided in the embodiment of the second aspect of the present application, because of including the balance valve 100 for a refrigeration device according to any one of the above embodiments, has all the advantages of the balance valve 100 for a refrigeration device according to any one of the above embodiments, and is not described herein.

By adopting the refrigerator 10 provided by the embodiment of the disclosure, the balance valve 100 is obliquely arranged between the refrigerator 10 liner 200 and the refrigerator 10 cabin 300, and meanwhile, the double valve plates are arranged in the balance valve 100, and an air cavity is arranged between the double valve plates, so that high-temperature air in the cabin 300 of the refrigerator and low-temperature air in the refrigerator 10 liner 200 can not be in direct contact, and the frost blocking phenomenon is reduced.

Optionally, as shown in fig. 1 to 4, the valve body 110 is movably connected with the liner 200 to adjust the distance between the valve body 110 and the liner 200; and/or the valve body 110 is movably connected with the press cabin 300 to adjust the distance between the valve body 110 and the press cabin 300.

In this aspect, the valve body 110 includes a first valve body 112 and a second valve body 113; the inner wall of the first valve body 112 is provided with a clamping groove which is matched with the clamping convex of the frost storage box 170; the first valve plate 130 and the second valve plate 140 are arranged in the second valve body 113, the upper end of the second valve body 113 is connected with the refrigerator 10 cabin 300, the lower end of the second valve body 113 is connected with the first valve body 112 through the sliding mechanism 114, and the refrigerator 10 with different sizes can mutually slide through the first valve body 112 and the second valve body 113 to adjust the length and the size of the balance valve 100 so as to adapt to different distances between the inner container 200 of the refrigerator 10 and the cabin 300.

Optionally, a telescopic mechanism may be further disposed at the connection between the balance valve 100 and the press cabin 300 in the present solution, so as to adjust the length of the balance valve 100; and/or a telescopic mechanism is arranged at the joint of the balance valve 100 and the liner 200 of the refrigerator 10 to adjust the length of the balance valve 100.

Alternatively, the valve body 110 may be provided as an elastic integral piece. For example, the outer walls of the two ends of the balance valve 100 are provided with protrusions, one end of the protrusion is inserted into the liner 200 of the refrigerator 10 to be abutted against the inner wall of the liner 200, the valve body 110 of the balance valve 100 is stretched until the other end of the balance valve 100 is inserted into the press cabin 300 to enable the protrusions of the other end of the balance valve 100 to be abutted against the inner wall of the press cabin 300, wherein one end of the balance valve 100 can be pressed against the liner 200 of the refrigerator 10 under the action of elastic force due to the fact that the balance valve 100 is an elastic member, and the other end of the balance valve 100 can be pressed against the inner wall of the press cabin 300.

Optionally, as shown in fig. 1, the refrigerator 10 further includes a heating member 400, which abuts against the outer surface of the valve body 110 and is located between the second valve plate 140 and the frost storage 170.

In this scheme, along the flow direction of the air flow in the air flow channel 120, the first valve plate 130 and the second valve plate 140 are sequentially arranged, the second valve plate 140 is located at the downstream of the first valve plate 130, after the cold air in the refrigerator 10 enters the air flow channel 120, the second valve plate 140 is contacted first, so that the temperature of the second valve plate 140 is reduced, at this time, the second valve plate 140 with low temperature is easily condensed into frost when the air in the air cavity between the second valve plate 140 and the first valve plate 130 encounters the second valve plate 140, a heating element 400 is arranged at the second valve plate 140 outside the frost storage box 170, and the heating element 400 is abutted against the outer surface of the valve body 110 so as to transfer heat into the balance valve 100, and perform defrosting treatment in the balance valve 100.

Optionally, the heating element 400 in this embodiment may be a condenser tube, and one or more condenser tubes in the condenser extend to the balance valve, so that the frost phenomenon in the balance valve 100 can be effectively alleviated.

Optionally, as shown in fig. 1 and 2, the refrigerator 10 further includes a sealing sheet 500, which is disposed between one end of the valve body 110 and the bulkhead of the press cabin 300, and is used to limit heat in the press cabin 300 from entering into the air cavity between the first valve sheet 130 and the second valve sheet 140 when the door is not opened, so as to ensure that the temperature of the air cavity between the first valve sheet 130 and the second valve sheet 140 is between the temperature of the press cabin 300 and the temperature of the liner 200 of the refrigerator 10, so as to reduce frosting.

In the scheme, a sealing clamping groove 1100 is formed in the outer wall of one end port of the frost storage box 170, which is positioned in the press cabin 300, a sealing sheet 500 is installed in the sealing clamping groove 1100, a limiting plate 700 is arranged on the frost storage box 170, which is positioned outside the press cabin 300 and is attached to the outer wall of the press cabin 300, one end of the frost storage box 170 is inserted into the press cabin 300, and the sealing sheet 500 is installed in the sealing clamping groove 1100; one plate surface of the limiting plate 700 is abutted against the outer wall of the press cabin 300, so that the frost storage box 170 has a trend of moving outwards of the press cabin 300, and the sealing piece 500 is tightly abutted against the inner wall of the press cabin 300, so that the sealing effect is improved.

In this embodiment, a spring member may be further disposed between the limiting plate 700 and the outer wall of the press cabin 300 to control the compression force of the sealing member 500.

Optionally, as shown in fig. 2 and 6, the balance valve 100 for a refrigeration device further includes a first sealing plate 180 disposed in the valve body 110, wherein an outer edge of the first sealing plate 180 is integrally connected with an inner sidewall of the valve body 110, a lower end of the first sealing plate 180 is integrally connected with the first protrusion 150, a vent 1110 is provided in the middle of the first sealing plate 180, and the air flow channel is closed by the first valve plate, and a plate surface of the first sealing plate 180 abuts against the first valve plate 130 to seal the vent 1110.

Optionally, as shown in fig. 2 and 7, the balance valve 100 for a refrigeration device further includes a second sealing plate 190, disposed in the valve body 110, an outer edge of the second sealing plate 190 is integrally connected with an inner side wall of the valve body 110, a lower end of the second sealing plate 190 is integrally connected with the second protrusion 160, a ventilation opening 1110 is formed in the middle of the second sealing plate 190, and a second valve plate closes the airflow channel, and a plate surface of the second sealing plate 190 abuts against the second valve plate 140 to close the ventilation opening 1110.

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 balancing valve for a refrigeration appliance, comprising:

a valve body (110) defining an air flow channel (120), both ends of the air flow channel (120) being adapted to communicate with a liner (200) and a press cabin (300) of the refrigeration device, respectively;

a first valve plate (130) located in the air flow channel (120) and capable of moving relative to the air flow channel (120) under the action of air flow flowing through the air flow channel (120) so as to open or close the air flow channel (120);

the second valve plate (140) is positioned in the air flow channel (120), the first valve plate (130) and the second valve plate (140) are sequentially arranged along the flow direction of the air flow in the air flow channel (120), and the second valve plate (140) can move relative to the air flow channel (120) under the action of the air flow flowing through the air flow channel (120) so as to open or close the air flow channel (120).

2. A balance valve for a refrigeration unit as recited in claim 1, wherein,

the first valve plate (130) forms an included angle with the vertical direction, which is different from zero.

3. A balance valve for a refrigeration unit as recited in claim 1, wherein,

the bottom wall surface of the air flow channel (120) is provided with a first bulge (150), the upper end of the first valve plate (130) is movably connected with the valve body (110), and the lower end of the first valve plate (130) is abutted to the first bulge (150) and located at the downstream of the first bulge (150).

4. A balance valve for a refrigeration unit as recited in claim 1, wherein,

the second valve plate (140) forms an included angle with the vertical direction, which is different from zero.

5. A balance valve for a refrigeration unit as recited in claim 1, wherein,

the bottom wall surface of the air flow channel (120) is provided with a second bulge (160), the upper end of the second valve plate (140) is movably connected with the valve body (110), and the lower end of the second valve plate (140) is abutted to the second bulge (160) and located at the downstream of the second bulge (160).

6. The balance valve for a refrigeration appliance of any of claims 1 to 5, further comprising:

the frost storage box (170) is arranged in the inner container (200) and is connected with the tail end of the valve body (110), and the frost storage box (170) is communicated with the air flow channel (120).

7. A balance valve for a refrigeration unit as recited in claim 6, wherein,

the frost storage box (170) is detachably connected with the valve body (110).

8. A refrigerator, comprising:

a liner (200) defining a cooling space;

a press cabin (300);

the balancing valve (100) for a refrigeration apparatus according to any of claims 1-7, the air flow channel (120) being in communication with the refrigeration space and the press cabin (300), respectively, at both ends.

9. The refrigerator of claim 8 wherein the refrigerator comprises,

the valve body (110) is movably connected with the inner container (200) so as to adjust the distance between the valve body (110) and the inner container (200); and/or the valve body (110) is movably connected with the press cabin (300) so as to adjust the distance between the valve body (110) and the press cabin (300).

10. The refrigerator of claim 8 or 9, further comprising:

the heating piece (400) is abutted with the outer surface of the valve body (110) and is positioned between the second valve plate (140) and the frost storage box (170).

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