CN113720084B

CN113720084B - refrigerator

Info

Publication number: CN113720084B
Application number: CN202110988285.4A
Authority: CN
Inventors: 胡晓彬; 何文华; 吴占宙; 田言勇; 白金荣
Original assignee: Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2025-06-10
Anticipated expiration: 2041-08-26
Also published as: CN113720084A

Abstract

The present invention provides a refrigerator, comprising: a box body, having a top plate; a cover plate, which is buckled on the front end of the top plate and defines a receiving cavity with the top plate, and a speaker is arranged in the receiving cavity; the cover plate has a recessed portion formed in front of the speaker, and an opening is formed on the end surface opposite to the speaker. The solution of the present invention, by arranging the speaker in the receiving cavity formed by the top plate and the cover plate of the refrigerator, and arranging the cover plate to form a recessed portion in front of the speaker, not only reduces the thickness of the refrigerator door body and improves the aesthetics of the refrigerator, but also improves the sound effect of the refrigerator speaker, further improving the user experience.

Description

Refrigerator with a refrigerator body

Technical Field

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

Background

The loudspeaker of the intelligent refrigerator in the prior art is generally arranged on the side face or the bottom face of the refrigerator door body, so that the door body of the refrigerator is too thick, the attractiveness is affected, and the sounding effect of the refrigerator can be affected when the refrigerator is embedded into a cabinet for use, so that the use experience of a user is affected.

Disclosure of Invention

It is an object of the present invention to provide a refrigerator which overcomes or at least partially solves the above-mentioned problems.

A further object of the present invention is to reduce the thickness of the door body of the refrigerator and to improve the aesthetic appearance of the refrigerator.

Another further object of the present invention is to improve the sound effect of the refrigerator horn, thereby improving the user experience.

The refrigerator comprises a refrigerator body, a cover plate and a cover plate, wherein the refrigerator body is provided with a top plate, the cover plate covers the front end of the top plate, a containing cavity is defined by the cover plate and the top plate, a loudspeaker is arranged in the containing cavity, a concave portion is formed in the front portion of the loudspeaker, and an opening is formed in the end face, opposite to the loudspeaker, of the concave portion.

Further, the bottom surface of the concave part is a trapezoid inclined surface, and the concave part is formed by gradually expanding from the bottom end of the opening to the front of the refrigerator from bottom to top.

The cover plate further comprises a loudspeaker shielding part and a sound transmission part, wherein the loudspeaker shielding part is covered and buckled above the loudspeaker, the sound transmission part extends from the front end of the loudspeaker shielding part, the concave part is arranged at the central position of the sound transmission part, and the sound transmission part is further configured to form structural reinforcing cavities connected with the space where the loudspeaker is arranged on two sides of the concave part respectively.

Further, the refrigerator further includes a door body disposed at a front portion of the refrigerator body and rotatably connected to the refrigerator body through an upper hinge disposed on the top plate, wherein the cover plate extends to both ends of the top plate in a lateral direction to shield the upper hinge.

Further, a positioning part formed by downwards protruding the cover plate is arranged in the accommodating cavity, a fixing part corresponding to the positioning part is arranged on the horn, and the fixing part is connected with the positioning part through a fastener so as to fix the horn in the accommodating cavity.

Further, the fastening piece is a fastening screw, and a through hole is formed in the rear wall of the accommodating cavity at a position corresponding to the positioning part, so that the fastening screw can conveniently enter the accommodating cavity through the through hole, and the through hole is a flanging hole, so that liquid can be prevented from entering the accommodating cavity from the through hole.

Further, a first rib is arranged between the horn and the opening and extends downwards from the cover plate, sound producing holes which are uniformly arranged are formed in the positions, corresponding to the opening, of the first rib, and a turning edge is further arranged at the top end of the first rib and extends forwards from the top end of the first rib along the transverse direction.

Further, second ribs which are distributed at intervals with the first ribs are arranged in the accommodating cavity, the second ribs extend from the opening to the side wall of the accommodating cavity, a notch is formed in the side wall of the accommodating cavity and is located between the first ribs and the second ribs and used for discharging liquid entering the accommodating cavity from the opening.

Further, fastener groups are arranged around the accommodating cavity so as to fix the cover plate on the top plate, and metal sheets are adhered to the inner side of the top plate at positions corresponding to the fastener groups so as to prevent the fastener groups from generating sliding wires.

Further, the refrigerator further includes a sponge strip disposed at a portion of the cover plate contacting the top plate to eliminate noise generated by vibration between the cover plate and the top plate.

According to the refrigerator, the cover plate is arranged on the top plate of the refrigerator, and the loudspeaker is arranged in the accommodating cavity formed by the top plate and the cover plate, so that the problems that the door body is too thick and the attractive appearance of the refrigerator is affected due to the fact that the loudspeaker is arranged on the refrigerator door body are solved.

Further, according to the refrigerator disclosed by the invention, the loudspeaker is arranged at the top of the refrigerator and is arranged to sound towards the front of the refrigerator, so that good sound effect can be provided when the refrigerator is embedded into a cabinet for use, and the use experience of a user is further improved.

Furthermore, the refrigerator of the invention has the advantages that the concave part with the trapezoid inclined surface is arranged in front of the loudspeaker, and the end surface of the concave part opposite to the loudspeaker is provided with the opening, so that the sound emitted by the loudspeaker is better diffused to the front of the refrigerator under the guidance of the trapezoid inclined surface, and the sound emitting effect of the loudspeaker of the refrigerator is further improved.

Furthermore, the refrigerator of the invention improves the strength of the cover plate by arranging the structure reinforcing cavities connected with the space where the loudspeaker is positioned at the two sides of the concave part.

Further, according to the refrigerator, the first ribs are arranged between the loudspeaker and the concave parts, and the turnover edges are arranged at the positions, opposite to the openings of the concave parts, of the top ends of the first ribs, so that external liquid is prevented from directly entering the accommodating cavity from the upper part of the openings of the concave parts, and the normal operation of the loudspeaker in the accommodating cavity is ensured.

Furthermore, according to the refrigerator disclosed by the invention, the second ribs are arranged at intervals with the first ribs, and the gaps between the first ribs and the second ribs are arranged on the side wall of the concave part, so that liquid entering the concave part from the outside can be discharged from the gaps, the phenomenon that the loudspeaker is damaged due to the fact that the liquid enters the loudspeaker is avoided, and the normal operation of the loudspeaker of the refrigerator is ensured.

Furthermore, the sponge strips are arranged in the partial area where the cover plate is contacted with the top plate, so that noise generated by vibration between the cover plate and the top plate is eliminated, and the use experience of a user is improved.

The above, as well as additional objectives, advantages, and features of the present invention will become apparent to those skilled in the art from the following detailed description of a specific embodiment of the present invention when read in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the invention will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts or portions. It will be appreciated by those skilled in the art that the drawings are not necessarily drawn to scale. In the accompanying drawings:

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

FIG. 2 is an enlarged view of a portion of area A of FIG. 1;

fig. 3 is a schematic view illustrating a structure of a refrigerator according to another angle of an embodiment of the present invention;

FIG. 4 is an enlarged partial view of region B of FIG. 3;

Fig. 5 is a schematic structural view of a cover plate of a refrigerator according to an embodiment of the present invention;

FIG. 6 is an enlarged partial view of region C of FIG. 5;

fig. 7 is a partially exploded schematic view of a refrigerator according to an embodiment of the present invention;

fig. 8 is a schematic view of a structure of a cabinet of a refrigerator according to an embodiment of the present invention;

FIG. 9 is an enlarged partial view of region D of FIG. 8;

Fig. 10 is a partial enlarged view of the area E in fig. 8.

Detailed Description

The present invention will be described in detail with reference to the specific embodiments shown in fig. 1 to 10. These embodiments are not intended to limit the invention and structural, methodological, or functional modifications of these embodiments that may be made by one of ordinary skill in the art are included within the scope of the invention.

In the description of the present embodiment, it is to be understood that the azimuth or positional relationship indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. is based on the azimuth in the normal use state of the refrigerator 10 as a reference, and can be determined with reference to the azimuth or positional relationship shown in the drawings, for example, "front" indicating the azimuth refers to the side of the refrigerator 10 facing the user during normal use. This is merely to facilitate describing the invention and to simplify the description and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operate in a particular orientation and therefore should not be construed as limiting the invention.

Fig. 1 is a schematic structural view of a refrigerator 10 according to an embodiment of the present invention. Fig. 2 is a partial enlarged view of the area a in fig. 1.

The embodiment provides a refrigerator 10, which comprises a refrigerator body 100, a cover plate 120 and an opening 1211, wherein the refrigerator body 100 is provided with a top plate 110, the cover plate 120 covers the front end of the top plate 110, a containing cavity 130 is defined by the cover plate 110 and the top plate 110, a loudspeaker 140 is arranged in the containing cavity 130, a concave portion 121 is formed in the front portion of the loudspeaker 140 by the cover plate 120, and the end face, opposite to the loudspeaker 140, of the concave portion 121 is provided with the opening 1211.

According to the scheme of the embodiment, the cover plate 120 is arranged on the top plate 110 of the refrigerator 10, and the horn 140 is arranged in the accommodating cavity 130 formed by the top plate 110 and the cover plate 120, so that the problems that the door body 200 is too thick and the attractiveness of the refrigerator 10 is affected due to the fact that the horn 140 is arranged on the door body 200 of the refrigerator 10 are solved.

Further, in the solution of the present embodiment, the recess 121 is disposed in front of the horn 140, and the end surface of the recess 121 opposite to the horn 140 is formed with the opening 1211, so that the sound of the horn 140 is emitted to the front of the refrigerator 10 (i.e. to the door 200 side of the refrigerator 10) through the opening 1211, thereby guaranteeing the sound producing effect of the horn 140. Further, even if the refrigerator 10 is used in a cabinet, a good sound effect can be ensured, thereby guaranteeing the use experience of the user.

Fig. 3 is a schematic view of another angle structure of the refrigerator 10 according to an embodiment of the present invention. Fig. 4 is a partial enlarged view of a region B in fig. 3. Fig. 5 is a schematic structural view of a cover plate 120 of the refrigerator 10 according to one embodiment of the present invention. Fig. 6 is a partial enlarged view of the area C in fig. 5.

The bottom surface of the recess 121 is a trapezoid inclined surface, and is formed by gradually expanding from bottom to top from the bottom end of the opening 1211 to the front of the refrigerator 10.

According to the scheme of the embodiment, the bottom surface of the concave part 121 is set to be the inclined trapezoid inclined surface, so that sound emitted by the loudspeaker 140 can be better diffused to the front part of the refrigerator 10 under the guidance of the trapezoid inclined surface, and the sounding effect of the loudspeaker 140 is further improved.

The cover plate 120 may generally include a speaker shielding part 122 covered over the speaker 140, a sound transmission part 123 extending from a front end of the speaker shielding part 122, and a recess part 121 disposed at a central position of the sound transmission part 123, the sound transmission part 123 further configured to form structural reinforcement cavities 124 connected to a space where the speaker 140 is located at both sides of the recess part 121, respectively.

In the solution of this embodiment, the concave portion 121 is disposed at the center of the sound transmission portion 123, and the sound transmission portion 123 is disposed to form the structural reinforcement cavity 124 connected to the space where the horn 140 is located on both sides of the concave portion 121, so as to improve the strength of the cover plate 120.

In the solution of the present embodiment, the accommodating cavity 130 may generally include a space for accommodating the horn 140 formed by the horn shielding portion 122, two structural reinforcement cavities 124 formed by the sound transmission portion 123, and a space formed between the recess portion 121 and the top plate 110.

In some preferred embodiments, the top plate 110 and the cover plate 120 can form a plurality of receiving cavities 130, and one horn 140 is disposed in each receiving cavity 130. By providing a plurality of accommodating chambers 130 and speakers 140, the sound effect of the refrigerator 10 can be improved, thereby further improving the user experience. The number of the accommodating chambers 130 and the horns 140 may be set according to actual situations.

As shown in fig. 4 to 6, the sound transmission portion 123 has a U-shaped structural reinforcement cavity 124 formed on both left and right sides of the recess portion 121. Wherein one structural reinforcement cavity 124 (i.e., the structural reinforcement cavity 124 located on the left side of the refrigerator 10) leaves an accommodation space for the wires 142 to which the horn 140 is connected. The electric wire 142 is led out from the periphery of the recess 121, enters the space formed by the horn shielding portion 122 through the structural reinforcement chamber 124, and communicates with the horn 140 to supply the power required for operation to the horn 140.

In addition, in the solution of this embodiment, a plurality of fasteners 126 are disposed on the cover 120 at intervals to fix the electric wire 142, so that the aesthetic property of the electric wire 142 is improved, and the stability and safety of the electric wire 142 are ensured.

Fig. 7 is a partially exploded schematic view of a refrigerator 10 according to one embodiment of the present invention. In order to better illustrate the positional relationship between the upper hinge 210 and the case 100 and the cover 120, the door 200 and other structures inside the case 100 are omitted in fig. 7.

The refrigerator 10 of the present embodiment further includes a door body 200 provided at the front of the cabinet 100 and rotatably connected to the cabinet 100 by an upper hinge 210 provided on the top plate 110, wherein the cover plate 120 extends to both ends of the top plate 110 in a lateral direction to shield the upper hinge 210.

In the solution of this embodiment, the cover plate 120 is set to extend to two ends of the top plate 110, so that the upper hinge 210 can be shielded, the aesthetic property of the refrigerator 10 is improved, and the structure is simple and the installation is convenient.

As shown in fig. 7, the refrigerator 10 in this embodiment is a double door refrigerator, two upper hinges 210 are respectively disposed at two ends of the top plate 110, and the sound transmission portions 123 of the cover plate 120 extend to two ends of the top plate 110, so as to shield the upper hinges 210 and improve the aesthetic property of the refrigerator 10.

In other embodiments, the refrigerator 10 may be a single door refrigerator, and the cover 120 may be provided to extend only to one side of the upper hinge 210 to shield the upper hinge 210.

As shown in fig. 6, a positioning portion 125 formed by protruding downward from the cover plate 120 is disposed in the accommodating chamber 130, and a fixing portion 141 corresponding to the positioning portion 125 is disposed on the horn 140, and the fixing portion 141 is connected to the positioning portion 125 through a fastener 150 to fix the horn 140 in the accommodating chamber 130.

In the solution of this embodiment, the corresponding positioning portion 125 and the fixing portion 141 are respectively disposed on the cover plate 120 and the speaker 140, and then the positioning portion 125 and the fixing portion 141 are connected together by using the fastener 150, so that the speaker 140 is fixed in the accommodating cavity 130 formed by the cover plate 120 and the top plate 110.

In some preferred embodiments, a fixing portion 141 may be disposed at each of the left and right sides of the horn 140, and two corresponding positioning portions 125 protruding downward are also formed on the cover plate 120, and the two positioning portions 125 and the fixing portion 141 cooperate to enhance the installation stability of the horn 140.

As shown in fig. 4 to 6, the fastening member 150 is a fastening screw, and a through hole 131 is provided at a position on the rear wall of the receiving chamber 130 corresponding to the positioning portion 125 so that the fastening screw passes through the through hole 131 into the receiving chamber 130, wherein the through hole 131 is a flanging hole to prevent liquid from passing from the through hole 131 into the receiving chamber 130.

In the solution of this embodiment, the fastening screw is selected as the fastening member 150 for connecting the positioning portion 125 and the fixing portion 141, which is simple in structure and low in cost.

Further, through the through hole 131 arranged at the position corresponding to the positioning part 125 on the rear wall of the accommodating cavity 130, the fastening screw can enter the accommodating cavity 130 through the through hole 131, and the air gun can also extend into the accommodating cavity 130 through the through hole 131 to be screwed, so that the problem that the fastening screw in the accommodating cavity 130 is difficult to fix is solved, the mounting difficulty of the refrigerator 10 is reduced, and the production efficiency of the refrigerator 10 is further improved.

In addition, the through hole 131 is provided as a flanging hole, so that it is difficult for external liquid to enter the accommodating chamber 130 from the through hole 131, thereby securing the safety of the horn 140 in the accommodating chamber 130.

As shown in fig. 5-6, a first rib 160 is disposed between the horn 140 and the opening 1211, the first rib 160 extends downward from the cover plate 120, wherein the first rib 160 is provided with sounding holes 161 uniformly arranged at positions corresponding to the opening 1211, and a turning edge 162 is further disposed at a top end of the first rib 160 and extends forward from the top end of the first rib 160 in a transverse direction.

In the solution of the present embodiment, the first rib 160 is disposed between the horn 140 and the opening 1211, so that the horn 140 is prevented from being damaged due to the liquid flowing from the opening 1211 directly to the horn 140.

Further, the sounding holes 161 are uniformly arranged at the positions of the first ribs 160 corresponding to the openings 1211, so that the sound of the horn 140 can be smoothly transmitted through the sounding holes 161.

In addition, the forward extending turnover edge 162 is disposed at the top end of the first rib 160, not only can prevent dust, but also can prevent external liquid from directly entering the accommodating cavity 130 from the upper side of the opening 1211 of the recess 121, thereby ensuring the normal operation of the horn 140.

The accommodating cavity 130 is also provided with second ribs 170 which are spaced from the first ribs 160, the second ribs 170 extend from the opening 1211 to the side wall of the accommodating cavity 130, a gap 132 is formed on the side wall of the accommodating cavity 130, and the gap 132 is located between the first ribs 160 and the second ribs 170 and is used for discharging liquid entering the accommodating cavity 130 from the opening 1211.

In the solution of this embodiment, the second ribs 170 extending from the opening 1211 of the recess 121 to the side wall of the accommodating cavity 130 are provided, so that the structural reinforcement cavity 124 of the sound transmitting portion 123 of the cover plate 120 is isolated from the speaker shielding portion 122, and external liquid is prevented from flowing into the structural reinforcement cavity 124 of the sound transmitting portion 123 from the opening 1211.

In addition, a first rib 171 and a second rib 172 are provided between the first rib 160 and the second rib 170, which extend along the side wall of the recess 121, respectively. The rib plate near the structure reinforcing cavity 124 provided with the electric wire 142 is a first rib plate 171, and the height of the rib plate is flush with the first rib 160 and the second rib 170, so as to prevent external liquid from flowing into the first structure reinforcing cavity 124 provided with the electric wire 142 after entering between the first rib 160 and the second rib 170 through the opening 1211, and damaging the electric wire 142 of the horn 140. The rib adjacent to the other reinforcing cavity 124 (i.e. the reinforcing cavity 124 located on the right side of the refrigerator 10) is a second rib 172, and the height of the second rib 172 is slightly lower than that of the first rib 160 and the second rib 170, so that on one hand, liquid entering between the first rib 160 and the second rib 170 is conveniently drained, and on the other hand, larger impurities can be prevented from entering the accommodating cavity 130.

Further, the notch 132 is provided on the side wall of the accommodating cavity 130 opposite to the first rib 160 and the second rib 170, so that the liquid flowing between the first rib 160 and the second rib 170 can flow through the second rib 172 and then be discharged from the notch 132, thereby avoiding the damage of the horn 140 caused by the liquid entering the horn 140 and ensuring the normal operation of the sound effect function of the refrigerator 10.

Fig. 8 is a schematic structural view of a cabinet 100 of the refrigerator 10 according to an embodiment of the present invention. Fig. 9 is a partial enlarged view of the region D in fig. 8. Fig. 10 is a partial enlarged view of the area E in fig. 8. Fig. 8 is a schematic view showing the structure of the refrigerator 10 from the bottom up, and fig. 8 omits other structures of the refrigerator 10 in order to better show the structure of the inside of the top plate 110 of the cabinet 100.

The periphery of the accommodating cavity 130 is further provided with a fastener set 180 to fix the cover plate 120 on the top plate 110, wherein a metal sheet 181 is further attached to the inner side of the top plate 110 at a position corresponding to the fastener set 180 to prevent the fastener set 180 from generating sliding wires.

In this embodiment, the fastener set 180 may generally include three fasteners (the fasteners may be fastening screws) distributed in a triangular shape around the horn 140, so as to ensure structural stability of the cover plate 120 and the top plate 110 after they are connected together. In other embodiments, the number of fasteners of the fastener set 180 may be other numbers, including but not limited to three (e.g., two or four, etc.), and the specific number may be set according to actual needs.

Further, the metal sheet 181 is attached to the inner side of the top plate 110 at the position corresponding to the fastener set 180, so as to avoid the noise caused by the sliding wire of the fastener set 180.

In the solution of this embodiment, the front end of the inner side of the top plate 110 is further provided with a reinforcing iron 182, and after passing through the cover plate 120 and the top plate 110, the fastening screw in front of the horn 140 in the fastening set 180 is directly connected with the reinforcing iron 182 of the inner side of the top plate 110, so that the inner side of the top plate 110 does not need to be repeatedly provided with a metal sheet 181. In other embodiments, where the reinforcing iron 182 is not provided inside the top plate 110, a metal sheet 181 may be attached inside the top plate 110 at each position corresponding to each fastening screw in the fastener set 180.

In some preferred embodiments, the metal sheet 181 may be a 1.2mm thick nonporous aluminum sheet, and the specific materials and thicknesses may be set according to practical requirements.

The refrigerator 10 of the present embodiment may further include a sponge strip 190 disposed at a partial region where the cover plate 120 contacts the top plate 110 to eliminate noise generated by vibration between the cover plate 120 and the top plate 110.

As shown in fig. 6, in the solution of this embodiment, the sponge strips 190 are disposed in the contact area between the horn shielding portion 122 and the top plate 110 and the recess 121, so as to eliminate noise generated by vibration between the cover plate 120 and the top plate 110, improve the sounding effect of the horn 140, and further improve the use experience of the user.

Further, the scheme of this embodiment, through carrying out special setting to the structure of apron 120, set up loudspeaker 140 in the space that the loudspeaker shielding part 122 of apron 120 formed to set up sound transmission part 123 and depressed part 121 isotructure in the front side of loudspeaker 140, when having guaranteed the sound production effect of loudspeaker 140, still solved the dust proof, the waterproof scheduling problem of loudspeaker 140, guaranteed the operation effect of loudspeaker 140, and then improved user's use experience.

By now it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described herein in detail, many other variations or modifications of the invention consistent with the principles of the invention may be directly ascertained or inferred from the present disclosure without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and deemed to cover all such other variations or modifications.

Claims

1. A refrigerator, comprising:

A box body having a top plate;

A cover plate, which is buckled on the front end of the top plate and defines a receiving cavity with the top plate, and a speaker is arranged in the receiving cavity;

The cover plate is formed with a recessed portion at the front of the speaker, and an opening is formed at the end surface of the recessed portion opposite to the speaker;

The bottom surface of the recessed portion is a trapezoidal inclined surface, which is gradually expanded from the bottom to the top from the bottom end of the opening toward the front of the refrigerator;

A first rib is provided between the speaker and the opening, and the first rib extends downward from the cover plate; wherein

The first rib is provided with evenly arranged sound holes at a position corresponding to the opening; the top of the first rib is also provided with an overhang, which extends forward in a transverse direction from the top of the first rib;

A second rib is also provided in the accommodating cavity and is spaced apart from the first rib. The second rib extends from the opening to the side wall of the accommodating cavity.

A notch is formed on the side wall of the accommodating cavity. The notch is located between the first rib and the second rib and is used to discharge the liquid entering the accommodating cavity from the opening.

2. The refrigerator according to claim 1, wherein the cover plate comprises:

A speaker shielding portion, which is buckled above the speaker;

The sound transmission part extends from the front end of the speaker shielding part, and the recessed part is arranged at the central position of the sound transmission part. The sound transmission part is also configured to form a structural reinforcement cavity connected to the space where the speaker is located on both sides of the recessed part.

3. The refrigerator according to claim 1, further comprising:

The door body is arranged at the front of the box body and is rotatably connected to the box body through an upper hinge arranged on the top plate; wherein

The cover plate extends to both ends of the top plate in a transverse direction to cover the upper hinge.

4. The refrigerator according to claim 1, wherein:

A positioning portion protruding downward from the cover plate is provided in the accommodating cavity, and a fixing portion corresponding to the positioning portion is provided on the speaker. The fixing portion is connected to the positioning portion through a fastener to fix the speaker in the accommodating cavity.

5. The refrigerator according to claim 4, wherein:

The fastener is a fastening screw, and a through hole is provided at a position on the rear wall of the accommodating cavity corresponding to the positioning portion, so that the fastening screw can enter the accommodating cavity through the through hole; wherein

The through hole is a flanged hole to prevent liquid from entering the accommodating cavity through the through hole.

6. The refrigerator according to claim 1, wherein:

A fastener group is also arranged around the accommodating cavity to fix the cover plate to the top plate; wherein

A metal sheet is also attached to the inner side of the top plate at a position corresponding to the fastener group to prevent the fastener group from slipping.

7. The refrigerator according to claim 1, further comprising:

The sponge strip is arranged in a part of the area where the cover plate contacts the top plate, so as to eliminate the noise generated by the vibration between the cover plate and the top plate.