CN220959090U

CN220959090U - Air duct cover plate assembly and refrigerator

Info

Publication number: CN220959090U
Application number: CN202322667075.2U
Authority: CN
Inventors: 姜云刚; 刘志远
Original assignee: Qingdao Haier Refrigerator Co Ltd; Qingdao Haier Smart Technology R&D Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Refrigerator Co Ltd; Qingdao Haier Smart Technology R&D Co Ltd; Haier Smart Home Co Ltd
Priority date: 2023-09-28
Filing date: 2023-09-28
Publication date: 2024-05-14
Anticipated expiration: 2033-09-28

Abstract

The application relates to the technical field of refrigerator air channels and discloses an air channel cover plate assembly. The wind channel apron subassembly includes: the air duct plate is provided with an air inlet; the air door is arranged at the air inlet; the air door fixing piece is sleeved on the outer side of the air door and is at least partially positioned between the air door and the air duct plate; the air door sealing strip is positioned between the air door and the air door fixing piece and used for sealing between the air door and the air door fixing piece. The air door fixing piece is sleeved on the outer side of the air door instead of being positioned on one side of the air door, so that the air door fixing piece is higher in strength and strong in deformation resistance, and has stronger limiting effect on the air door sealing strip, the air door sealing strip is less in influence on the air door fixing piece due to acting force generated by deformation, deformation of the air door fixing piece is not easy to cause, the air door sealing strip is difficult to deform, and accordingly the sealing performance of the air duct cover plate assembly can be enhanced. The application also discloses a refrigerator.

Description

Air duct cover plate assembly and refrigerator

Technical Field

The application relates to the technical field of refrigerator air channels, in particular to an air channel cover plate assembly and a refrigerator.

Background

At present, an air-cooled refrigerator is the most common type in the refrigerator, the air-cooled refrigerator generally adopts an air duct structure to convey cold air for refrigeration, the structure of an air duct of the air-cooled refrigerator determines the overall air supply efficiency of the air duct to a great extent, the air duct structure has excellent sealing performance, otherwise, the phenomenon of frosting and icing can occur, the air duct is damaged, and the refrigerating effect of the refrigerator is affected.

The related technology is that the sealing strips of the air door are sealed at the upper end and the lower end of the air door, then the air door is put into foam of an air duct along a certain direction, and finally the air door is sealed by a foam rear cover. The sealing strip is arranged between the air door and the air duct foam, and has a sealing effect on the air duct structure.

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:

Sealing mode in the related art plays sealed effect to the wind channel structure to a certain extent, but along with user's live time's increase, ageing phenomenon etc. can appear behind the long-term load of wind channel structure, and the sealing strip takes place to deform, and the reverse effort that produces can lead to the sealing strip to take place the deformation in upper and lower direction, leads to the foam back lid arch, and wind channel air leakage clearance grow influences refrigeration effect.

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

Disclosure of utility model

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

The embodiment of the disclosure provides an air duct cover plate assembly and a refrigerator, and aims to solve the problem that an air door sealing strip deforms in the up-down direction of an air door.

According to a first aspect of an embodiment of the present utility model, there is provided an air duct cover assembly, including: the air duct plate is provided with an air inlet; the air door is arranged at the air inlet; the air door fixing piece is sleeved on the outer side of the air door and is at least partially positioned between the air door and the air duct plate; the air door sealing strip is positioned between the air door and the air door fixing piece and used for sealing between the air door and the air door fixing piece.

Optionally, the damper fixing member includes: the circumferential limiting plate is sleeved on the outer side of the air door; the front limiting plate is connected with the circumferential limiting plate, is arranged on the front wall of the air door, and is sequentially arranged with the air door along the wind direction.

Optionally, the air door sealing strip is arranged between the front side limiting plate and the front wall of the air door and is used for sealing between the front side limiting plate and the front wall of the air door; or the air door sealing strip is arranged between the circumferential limiting plate and the air door and is used for sealing between the circumferential limiting plate and the air door.

Optionally, the number of the air door is a plurality of, and a plurality of air doors include first air door and second air door, and wind channel apron subassembly still includes: a connecting part connected between the first air door and the second air door; the first connecting part sealing strip is arranged between the connecting part and the air duct plate and is used for sealing between the connecting part and the air duct plate; and the sealing structure is arranged between the connecting part and the air door fixing piece and is used for sealing between the connecting part and the air door fixing piece.

Optionally, the sealing structure comprises: the second connecting part sealing strip is arranged between the connecting part and the air door fixing piece, and the second connecting part sealing strip, the air door fixing piece and the connecting part are independent components; and/or, the air door fixing piece protrudes towards the connecting part to form a sealing protrusion and the sealing protrusion is abutted with the connecting part, or the connecting part protrudes towards the air door fixing piece to form a sealing protrusion and the sealing protrusion is abutted with the air door fixing piece.

Optionally, the air duct board is provided with a groove, and the connecting part is positioned in the groove and limited in the groove.

Optionally, the walls of the groove include: the bottom wall of the groove, the connecting part and the bottom wall of the groove are sequentially arranged along the direction of wind, and the connecting part is abutted against the bottom wall of the groove so as to limit the connecting part to move towards the direction of wind.

Optionally, the wall of the groove includes a groove bottom wall, and the air duct cover plate assembly further includes: the first bulge is convexly arranged on the bottom wall of the groove; the second bulge is arranged on the bottom wall of the groove in a protruding mode and is opposite to the first bulge, and the connecting part is limited between the first bulge and the second bulge.

Optionally, a limiting groove is formed in the surface, facing the air door fixing piece, of the first protrusion and/or the second protrusion, and the air door fixing piece is located in the limiting groove to limit movement of the air door fixing piece in the windward direction.

According to a second aspect of the embodiment of the present utility model, there is provided a refrigerator including the duct cover assembly according to any one of the above embodiments.

The air duct cover plate assembly and the refrigerator provided by the embodiment of the disclosure can realize the following technical effects:

The air door fixing piece is sleeved on the outer side of the air door instead of being positioned on one side of the air door, so that the air door fixing piece is higher in strength and strong in deformation resistance, and has stronger limiting effect on the air door sealing strip, the air door sealing strip is less in influence on the air door fixing piece due to acting force generated by deformation, deformation of the air door fixing piece is not easy to cause, the air door sealing strip is difficult to deform, and accordingly the sealing performance of the air duct cover plate assembly can be enhanced. In addition, the damper mount is at least partially located between the damper and the duct board such that the duct board can act as a limit to the position of the damper mount.

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 an exploded schematic view of an air duct cover assembly provided by an embodiment of the present disclosure, wherein the arrow direction indicates the direction of the wind;

FIG. 2a is a schematic structural view of an air duct cover assembly according to an embodiment of the present disclosure, wherein the direction of the arrow indicates the direction of the wind;

FIG. 2b is a schematic view of the cross-sectional structure in the direction A-A shown in FIG. 2 a;

FIG. 2c is a schematic view of the cross-sectional structure in the B-B direction shown in FIG. 2 a;

FIG. 3a is a schematic illustration of a duct cover assembly with a damper mount removed according to an embodiment of the present disclosure;

FIG. 3b is an enlarged schematic view of the portion C in FIG. 3 a;

Fig. 4 is a schematic structural view of another duct cover assembly provided by an embodiment of the present disclosure.

Reference numerals:

1: an air duct plate; 11: an air inlet; 12: a groove; 121: a bottom wall of the tank; 122: a first protrusion; 123: a second protrusion; 13: a limit groove; 14: a mounting groove;

2: a damper; 21: a front wall; 211: a vent; 22: a first damper; 23: a second damper; 24: a connection part; 241: a first connecting portion seal strip; 242: a second connecting portion seal strip; 25: a sealing protrusion;

3: a damper fixing member; 31: a front side limiting plate; 311: an opening; 32: a circumferential limiting plate;

4: and (5) an air door sealing strip.

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 the presently disclosed embodiments. 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.

Sealing mode in the related art plays sealed effect to the wind channel structure to a certain extent, but along with user's live time's increase, ageing phenomenon etc. can appear behind the long-term load of wind channel structure, and the reverse effort that the sealing strip produced can lead to the sealing strip to take place the deformation in the upper and lower direction, leads to the cover arch behind the wind channel foam, and wind channel air leakage clearance grow influences refrigeration effect.

Referring to fig. 1, 2a-2c, 3a-3b, and 4, embodiments of the present disclosure provide an air duct cover assembly for a refrigerator.

The air duct cover plate assembly comprises an air duct plate 1, an air door 2, an air door fixing piece 3 and an air door sealing strip 4.

The refrigerator comprises a liner and a refrigerating system. The inner container defines a refrigerating space, and the air duct plate is arranged on the inner container and defines an air duct together with the inner container. The air duct plate 1 is provided with an air inlet 11, and the air inlet 11 is communicated with the air duct. The refrigeration system includes a compressor, a condenser, and an evaporator connected. The refrigerator also comprises an evaporation fan, wherein the evaporation fan corresponds to the evaporator and is used for driving air in the refrigerating space to enter the air duct from the air inlet and flow back to the refrigerating space after exchanging heat with the evaporator, so that the refrigerating cycle of the refrigerating space is realized.

As shown in fig. 1, the air door 2 is arranged at the air inlet 11; the air door fixing piece 3 is sleeved on the outer side of the air door 2 and is at least partially positioned between the air door 2 and the air duct plate 1; a damper seal strip 4 is located between the damper 2 and the damper mount 3 for sealing between the damper 2 and the damper mount 3.

The air door fixing piece 3 is sleeved on the outer side of the air door 2, but not only is positioned on one side of the air door 2, so that the air door fixing piece 3 is higher in strength and strong in deformation resistance, and the air door sealing strip 4 is also stronger in limiting effect, so that the air door sealing strip 4 is less in influence on the air door fixing piece 3 due to acting force generated by deformation, deformation of the air door fixing piece 3 is not easy to cause, deformation of the air door sealing strip 4 is difficult to occur, and accordingly the tightness of the air duct cover plate assembly can be enhanced. Furthermore, the damper fixing 3 is at least partially located between the damper 2 and the duct board 1, so that the duct board 1 can play a limiting role in the position of the damper fixing 3.

Alternatively, as shown in fig. 2b, the damper fixing member 3 includes a circumferential limit plate 32 and a front limit plate 31. The circumferential limiting plate 32 is sleeved outside the air door 2; the front limiting plate 31 is connected with the circumferential limiting plate 32, is provided on the front wall 21 of the damper 2, and the front limiting plate 31 and the damper 2 are sequentially provided in the direction of the wind.

The arrangement of the circumferential limiting plate 32 and the front limiting plate 31 of the air door fixing piece 3 provides a plurality of mounting modes for the air door sealing strip 4.

Alternatively, as shown in connection with fig. 2b, the damper sealing strip 4 is provided between the front limit plate 31 and the front wall 21 of the damper 2 for sealing between the front limit plate 31 and the front wall 21 of the damper 2.

The air door sealing strip 4 is located between the front side limiting plate 31 and the front wall 21 of the air door 2, i.e. the front side limiting plate 31, the air door sealing strip 4 and the air door 2 are sequentially arranged along the wind direction. The damper 2 is provided with a vent 211, the damper seal 4 is circumferentially disposed around the vent 211, and the front side restrictor plate 31 is provided with an opening 311 corresponding to the vent 211.

When wind passes through the ventilation opening 211 of the damper 2 and the opening 311 of the front limiting plate 31, the damper sealing strip 4 is pressed between the front limiting plate 31 and the front wall 21 of the damper 2, and the phenomenon that the damper sealing strip 4 deforms in the vertical direction in the air duct structure of the related art does not occur, and only a reaction force is generated in the direction toward the wind traveling direction or away from the wind traveling direction, the reaction force toward the wind traveling direction is limited by the front wall 21 of the damper 2, and the reaction force away from the wind traveling direction is limited by the front limiting plate 31. Therefore, the air door sealing strip 4 is limited by the front wall 21 of the air door 2 and the front limiting plate 31, basically cannot deform, and ensures good sealing performance of the air duct cover plate assembly.

Or the air door sealing strip 4 is arranged between the circumferential limiting plate 32 and the air door 2 and is used for sealing between the circumferential limiting plate 32 and the air door 2.

The air door sealing strip 4 is annular, the cover is established in the outside of air door 2, the outside at air door sealing strip 4 is established to circumference limiting plate 32 cover, when air door sealing strip 4 has the trend of upwards and downwards direction deformation, circumference limiting plate 32 and air door 2 can give the effect of a restriction of air door sealing strip 4 simultaneously on air door sealing strip 4 circumference round for the deformation of air door sealing strip 4 reduces, can't drive circumference limiting plate 32 deformation or shift, the phenomenon that air door sealing strip 4 warp in the correlation technique can not take place like this air door sealing strip 4, guarantee the good leakproofness of wind channel apron subassembly.

Optionally, as shown in fig. 1 and 2c, the number of the air doors 2 is plural, the plural air doors 2 include a first air door 22 and a second air door 23, and the duct cover assembly further includes a connection portion 24, a first connection portion sealing strip 241, and a sealing structure. The connecting portion 24 is connected between the first damper 22 and the second damper 23; the first connecting part sealing strip 241 is arranged between the connecting part 24 and the air duct board 1 and is used for sealing between the connecting part 24 and the air duct board 1; the sealing structure is arranged between the connecting part 24 and the air door fixing piece 3 and is used for sealing between the connecting part 24 and the air door fixing piece 3.

The double damper arrangement includes a first damper 22 and a second damper 23, it being understood that the two dampers 2 differ only in the size of the vent opening 211, as is the case with the damper seal 4, damper mount 3 and duct plate 1.

A connecting part 24 is arranged between the first air door 22 and the second air door 23, a part of the connecting part 24 exists between the air duct board 1 and the air door fixing piece 3, and a part of the connecting part does not exist between the air duct board 1 and the air door fixing piece 3. The tightness between the connecting part 24 and the air duct plate 1 is sealed by adopting a first connecting part sealing strip 241, and the tightness between the connecting part 24 and the air door fixing piece 3 is sealed by adopting a sealing structure, so that the tightness between the connecting part 24 of the air door 2 and the air door fixing piece 3 and the tightness between the connecting part 24 and the air duct plate 1 are enhanced, and the occurrence of the air cross phenomenon between the first air door 22 and the second air door 23 is prevented.

Optionally, as shown in fig. 2b and 2c, the sealing structure comprises a second joint sealing strip 242 and/or a sealing protrusion 25. The second connecting portion seal 242 is provided between the connecting portion 24 and the damper fixing member 3, and the second connecting portion seal 242, the damper fixing member 3, and the connecting portion 24 are independent members.

The sealing protrusion 25 may be formed by protruding the damper fixing member 3 toward the connecting portion 24, and the sealing protrusion 25 and the damper fixing member 3 are integrally formed, and the sealing protrusion 25 abuts against the connecting portion 24. Or the sealing protrusion 25 may be formed by protruding the connecting portion 24 toward the damper fixing member 3, the sealing protrusion 25 and the connecting portion 24 are in an integral structure, and the sealing protrusion 25 abuts against the damper fixing member 3.

The sealing structure is used for sealing the connecting part 24 and the air door fixing piece 3, and the sealing structure can adopt a second connecting part sealing strip 242, can adopt a sealing bulge 25, and can also adopt the second connecting part sealing strip 242 and the sealing bulge 25 at the same time.

The second connecting portion sealing strip 242 may be connected with the first connecting portion sealing strip 241 to form a ring shape, and jointly surround the connecting portion 24 to be circumferentially arranged, or may be two independent sealing strips, which are separately arranged and respectively arranged between the connecting portion 24 and the air duct board 1 and the connecting portion 24 and the air duct fixing member 3.

When the air door fixing piece 3 protrudes towards the connecting portion 24 to form a sealing protrusion 25, and the sealing protrusion 25 is abutted against the connecting portion 24, so that no space is reserved between the air door fixing piece 3 and the connecting portion 24, and the air door fixing piece is matched with the second connecting portion sealing strip 242, so that the tightness between the air door fixing piece 3 and the connecting portion 24 is enhanced, and the air blow phenomenon between the first air door 22 and the second air door 23 is prevented.

When the connecting portion 24 protrudes towards the air door fixing piece 3 to form a sealing protrusion 25, and the sealing protrusion 25 is abutted against the air door fixing piece 3, so that no space is reserved between the air door fixing piece 3 and the connecting portion 24, and the air door fixing piece 3 is matched with the second connecting portion sealing strip 242, the tightness between the air door fixing piece 3 and the connecting portion 24 is enhanced, and the air blow phenomenon between the first air door 22 and the second air door 23 is prevented.

Alternatively, as shown in fig. 3a and 3b, the duct board 1 is provided with a groove 12, and the connection portion 24 is located in the groove 12 and is limited in the groove 12.

The recess 12 provided in the duct plate 1 serves as a position limiter for the connection 24 of the damper 2, whereby the position of the damper 2 can be limited, limiting the damper 2 between the duct plate 1 and the damper mount 3.

Alternatively, the wall of the groove 12 includes a bottom wall 121, the connection portion 24 and the bottom wall 121 are disposed in order along the direction of the wind, and the connection portion 24 abuts against the bottom wall 121 to limit the movement of the connection portion 24 in the direction of the wind.

The connection portion 24 abuts against the bottom wall 121 of the groove 12, and when the damper 2 passes through the wind, the damper 2 tends to move in the wind direction, and the bottom wall 121 of the groove 12 serves to define the position of the connection portion 24 so that the damper 2 does not move in the wind direction.

Optionally, as shown in fig. 3a and 3b, the wall of the recess 12 includes a recess bottom wall 121, and the duct cover assembly further includes a first protrusion 122 and a second protrusion 123. The first protrusion 122 is protruding from the bottom wall 121; the second protrusion 123 is protruding from the bottom wall 121 and is disposed opposite to the first protrusion 122, and the connecting portion 24 is defined between the first protrusion 122 and the second protrusion 123.

The first bulge 122 and the second bulge 123 are oppositely arranged and are both arranged on the groove bottom wall 121 of the groove 12 in a protruding mode, the groove wall of the groove 12 further comprises a first side wall and a second side wall, the first side wall is located on one side, facing the inside of the groove 12, of the first bulge 122, the second side wall is located on one side, facing the inside of the groove 12, of the second bulge 123, one side, close to the first bulge 122, of the connecting portion 24 abuts against the first side wall, and one side, close to the second bulge 123, of the connecting portion 24 abuts against the second side wall. The first protrusion 122 and the second protrusion 123 play a limiting role on the connecting portion 24, and cooperate with the bottom wall 121 of the groove 12 to limit the connecting portion 24 in the groove 12 so as to limit the movement of the connecting portion 24. Due to the arrangement of the first protrusion 122 and the second protrusion 123, the tightness between the connecting portion 24 and the air duct board 1 is enhanced, so that the possibility of air flowing between the first air door 22 and the second air door 23 is reduced.

Optionally, as shown in fig. 3a and 3b, the surface of the first protrusion 122 and/or the second protrusion 123 facing the damper fixing member 3 is provided with a limiting groove 13, and the damper fixing member 3 is partially located in the limiting groove 13 to limit the movement of the damper fixing member 3 in the windward direction.

The number of the limit grooves 13 is at least one, and only the surface of the first protrusion 122 facing the air door fixing piece 3 is provided with the limit grooves 13, or only the surface of the second protrusion 123 facing the air door fixing piece 3 is provided with the limit grooves 13, or both the surfaces of the first protrusion 122 and the second protrusion 123 facing the air door fixing piece 3 are provided with the limit grooves 13.

The circumferential limiting plate 32 of the air door fixing piece 3 is partially positioned in the limiting groove 13, the limiting groove 13 plays a role in limiting the position of the circumferential limiting plate 32, and the circumferential limiting plate 32 is limited to move along the wind direction.

Alternatively, as shown in fig. 4, the duct board 1 is provided with a mounting groove 14, and the damper fixing member 3 is provided in the mounting groove 14.

The air duct plate 1 plays a limiting role on the air door fixing piece 3, when the air door 2 passes through air, the air door fixing piece 3 cannot displace relative to the air duct plate 1, ventilation is guaranteed to be normal, and ventilation efficiency is improved. In addition, the installation groove 14 also has a certain sealing effect on the air duct plate 1 and the air duct fixing piece 3.

Alternatively, the width of the gap between the front wall 21 of the damper 2 and the front limiting plate 31 is smaller than the thickness of the damper weather strip 4.

After the damper seal strip 4 is mounted between the front wall 21 and the front side limiting plate 31 of the damper 2, due to the difference in thickness, the damper seal strip 4 is pressed by the front wall 21 and the front side limiting plate 31, so that the sealing performance between the damper 2 and the damper fixing member 3 is enhanced, and the front wall 21 and the front side limiting plate 31 have a limiting effect on the damper seal strip 4, so that the damper seal strip 4 is prevented from deforming, and the sealing performance between the damper 2 and the damper fixing member 3 is also enhanced.

Embodiments of the present disclosure provide a refrigerator including the air duct cover assembly as described in any of the foregoing embodiments.

The refrigerator provided by the embodiment of the second aspect of the present application includes the air duct cover assembly according to any one of the embodiments of the first aspect, so that the refrigerator has all the advantages of any one of the embodiments of the first aspect, and is not described herein.

In summary, the air duct cover plate assembly provided by the application comprises an air duct plate 1, an air door 2, an air door fixing piece 3 and an air door sealing strip 4. The air duct plate 1 is provided with an air inlet 11; the air door 2 is arranged at the air inlet 11; the air door fixing piece 3 is sleeved on the outer side of the air door 2 and is at least partially positioned between the air door 2 and the air duct plate 1; a damper seal strip 4 is located between the damper 2 and the damper mount 3 for sealing between the damper 2 and the damper mount 3.

The air door fixing piece 3 comprises a circumferential limiting plate 32 and a front limiting plate 31, and the circumferential limiting plate 32 is sleeved on the outer side of the air door 2; the front limiting plate 31 is connected with the circumferential limiting plate 32, is provided on the front wall 21 of the damper 2, and the front limiting plate 31 and the damper 2 are sequentially provided in the direction of the wind. The air door sealing strip 4 is arranged between the front side limiting plate 31 and the front wall 21 of the air door 2 and is used for sealing between the front side limiting plate 31 and the front wall 21 of the air door 2; or the air door sealing strip 4 is arranged between the circumferential limiting plate 32 and the air door 2 and is used for sealing between the circumferential limiting plate 32 and the air door 2.

The number of the air doors 2 is a plurality, the plurality of air doors 2 comprises a first air door 22 and a second air door 23, and the air duct cover plate assembly further comprises a connecting part 24, a first connecting part sealing strip 241 and a sealing structure. The connecting portion 24 is connected between the first damper 22 and the second damper 23; the first connecting part sealing strip 241 is arranged between the connecting part 24 and the air duct board 1 and is used for sealing between the connecting part 24 and the air duct board 1; the sealing structure is arranged between the connecting part 24 and the air door fixing piece 3 and is used for sealing between the connecting part 24 and the air door fixing piece 3. The sealing structure includes a second joint sealing strip 242 and/or a sealing protrusion 25. The second connecting portion sealing strip 242 is arranged between the connecting portion 24 and the air door fixing piece 3; and/or, the sealing protrusion 25, the damper fixing member 3 protrudes toward the connection portion 24 to form the sealing protrusion 25 and the sealing protrusion 25 abuts against the connection portion 24, or the connection portion 24 protrudes toward the damper fixing member 3 to form the sealing protrusion 25 and the sealing protrusion 25 abuts against the damper fixing member 3.

The air duct board 1 is provided with a groove 12, and the connecting part 24 is positioned in the groove 12 and limited in the groove 12. The groove 12 includes a groove bottom wall 121, the connection portion 24 and the groove bottom wall 121 are disposed in order along the windward direction, and the connection portion 24 abuts against the groove bottom wall 121 to restrict the movement of the connection portion 24 toward the windward direction. The recess 12 further includes a first protrusion 122 and a second protrusion 123. The first protrusion 122 is protruding from the bottom wall 121; the second protrusion 123 is protruding from the bottom wall 121 and is disposed opposite to the first protrusion 122, and the connecting portion 24 is defined between the first protrusion 122 and the second protrusion 123. The surface of the first protrusion 122 and/or the second protrusion 123 facing the damper fixing member 3 is provided with a limiting groove 13, and the damper fixing member 3 is partially positioned in the limiting groove 13 to limit the damper fixing member 3 to move in the windward direction.

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

1. An air duct cover assembly, comprising:

The air duct plate is provided with an air inlet;

The air door is arranged at the air inlet;

The air door fixing piece is sleeved on the outer side of the air door and is at least partially positioned between the air door and the air duct plate;

The air door sealing strip is positioned between the air door and the air door fixing piece and used for sealing between the air door and the air door fixing piece.

2. The duct cover assembly of claim 1, wherein the damper mount comprises:

the circumferential limiting plate is sleeved on the outer side of the air door;

The front limiting plate is connected with the circumferential limiting plate, is arranged on the front wall of the air door, and is sequentially arranged with the air door along the wind direction.

3. The duct cover assembly of claim 2, wherein the damper seal strip is disposed between the front side limiting plate and the front wall of the damper for sealing between the front side limiting plate and the front wall of the damper; or alternatively

The air door sealing strip is arranged between the circumferential limiting plate and the air door and is used for sealing between the circumferential limiting plate and the air door.

4. The duct cover assembly of any of claims 1-3, wherein the number of dampers is a plurality, the plurality of dampers including a first damper and a second damper, the duct cover assembly further comprising:

A connecting part connected between the first air door and the second air door;

The first connecting part sealing strip is arranged between the connecting part and the air duct plate and is used for sealing between the connecting part and the air duct plate;

And the sealing structure is arranged between the connecting part and the air door fixing piece and is used for sealing between the connecting part and the air door fixing piece.

5. The duct cover assembly of claim 4, wherein the sealing structure comprises:

the second connecting part sealing strip is arranged between the connecting part and the air door fixing piece, and the second connecting part sealing strip, the air door fixing piece and the connecting part are independent components; and/or the number of the groups of groups,

The air door fixing piece protrudes towards the connecting part to form a sealing protrusion and the sealing protrusion is abutted with the connecting part, or the connecting part protrudes towards the air door fixing piece to form a sealing protrusion and the sealing protrusion is abutted with the air door fixing piece.

6. The duct cover assembly of claim 4, wherein the duct plate is provided with a recess, and the connector is positioned in the recess and is retained in the recess.

7. The duct cover assembly of claim 6, wherein the walls of the recess comprise:

The bottom wall of the groove, the connecting part and the bottom wall of the groove are sequentially arranged along the direction of wind, and the connecting part is abutted against the bottom wall of the groove so as to limit the connecting part to move towards the direction of wind.

8. The duct cover assembly of claim 6, wherein the walls of the recess include a bottom wall, the duct cover assembly further comprising:

The first bulge is convexly arranged on the bottom wall of the groove;

The second bulge is arranged on the bottom wall of the groove in a protruding mode and is opposite to the first bulge, and the connecting part is limited between the first bulge and the second bulge.

9. The duct cover assembly of claim 8, wherein the surface of the first protrusion and/or the second protrusion facing the damper mount has a limit slot, and the damper mount is partially positioned within the limit slot to limit movement of the damper mount in the direction of the wind.

10. A refrigerator comprising a duct cover assembly as claimed in any one of claims 1 to 9.