Air duct assembly and refrigerator

Abstract

The utility model provides an air duct assembly and a refrigerator, the air duct assembly comprises an air duct foam piece and an air duct cover plate, the air duct foam piece comprises a first surface and a second surface which are oppositely arranged in a first direction, a first end of the first surface is provided with a convex part, and the convex part is arranged far away from the first surface in the first direction; the air duct cover plate comprises a third surface and a fourth surface which are oppositely arranged in the first direction, the first end of the third surface comprises a first groove, the third surface is oppositely attached to the first surface, and the protruding part is embedded in the first groove and used for fixing the air duct foam piece and the air duct cover plate. Fixing is achieved through the protruding part of the air duct foam piece and the first groove of the air duct cover plate, the air duct sealing face is formed at the bottom of the first groove, the overall strength of the air duct sealing face is improved, deformation and damage are not prone to occurring during assembling, meanwhile, the production cost is reduced, and the assembling efficiency is improved.

Description

Technical Field

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

[0002] In the prior art, in the air duct assembly of the refrigerator, the air duct foam part and the middle air duct are usually assembled by sticking a circle of sponge on the air duct foam part to compress and seal it with the middle air duct. This method has the following defects: the foam material of the air duct foam part is relatively soft and easily deformed under pressure. The sealing surface formed by the foam is at risk of deformation and rupture when the seal is pressed, resulting in the risk of cold leakage. Utility Model Content

[0003] In view of this, the present application provides an air duct assembly and a refrigerator to solve the problems of low strength and easy breakage of the sealing surface in the prior art.

[0004] In order to solve the above technical problems, a technical solution adopted by the present application is: an air duct assembly, including an air duct foam piece and an air duct cover plate. The air duct foam piece includes a first surface and a second surface arranged opposite to each other in a first direction, the first end of the first surface has a protrusion, and the protrusion is arranged away from the first surface in the first direction; the air duct cover plate includes a third surface and a fourth surface arranged opposite to each other in the first direction, the first end of the third surface includes a first groove, the third surface is relatively fitted with the first surface, and the protrusion is embedded in the first groove, which is used to fix the air duct foam piece and the air duct cover plate.

[0005] According to one embodiment of the present application, the first groove and the air duct cover are designed as an integral whole.

[0006] According to one embodiment of the present application, the protrusion and the air duct foam piece are designed as one piece.

[0007] According to one embodiment of the present application, the air duct cover has an air supply outlet, which is located on the side of the first groove facing the first end and passes through the first end of the air duct cover; the air duct foam piece has a first groove, which is located on the side of the protrusion facing the first end and passes through the first end of the air duct foam piece, the protrusion is fitted with the first groove, and the first groove is arranged opposite to the air supply outlet for air supply.

[0008] According to an embodiment of the present application, the first groove is formed by the second surface extending concavely toward the first surface.

[0009] According to one embodiment of the present application, the protrusion has a plurality of cutting portions, and the cutting portions form a guide surface, and the guide surface is used for the protrusion to be slidably installed in the first groove along the guide surface.

[0010] According to one embodiment of the present application, the second surface includes a first channel and a second channel; the first channel extends along the second direction, and the first channel passes through the first surface and the second surface; the second channel extends along the second direction, one end of the second channel extends to the first end of the second surface, and the other end of the second channel is connected to the first groove; wherein the second direction intersects with the first direction.

[0011] According to one embodiment of the present application, the air duct cover includes a third channel, the third channel extends along the second direction, the third channel runs through the third surface and the fourth surface, the third surface is relatively fitted with the first surface, and the third channel is relatively connected with the first channel.

[0012] According to one embodiment of the present application, the air duct assembly also includes an intermediate air duct, and the intermediate air duct is in contact with the bottom of the raised portion toward the first end; the bottom forms a sealing surface of the air duct cover plate, and the sealing surface includes a sponge ring arranged around the air supply port, and the sponge ring is used for sealing the air duct cover plate and the intermediate air duct.

[0013] Another technical solution adopted in the present application is: to provide a refrigerator, comprising a box body; and an air duct assembly as described in any one of the above items, wherein the air duct assembly is arranged in the box body.

[0014] The beneficial effects of the present application are: providing an air duct assembly, the air duct assembly comprising an air duct foam piece and an air duct cover plate, the first end of the first surface of the air duct foam piece having a raised portion, the first end of the third surface of the air duct cover plate comprising a first groove, the third surface relatively fits the first surface, the raised portion is embedded in the first groove to fix the air duct foam piece and the air duct cover plate. The present application utilizes the raised portion of the air duct foam piece and the first groove of the air duct cover plate to achieve fixation, forms an air duct sealing surface at the bottom of the first groove away from the raised portion, improves the overall strength of the air duct sealing surface, is not easily deformed or damaged during assembly, and reduces production costs and improves assembly efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. Among them:

[0016] Figure 1 It is a structural schematic diagram of an embodiment of the air duct assembly of the present application;

[0017] Figure 2 This is a schematic diagram of the exploded structure of an embodiment of the air duct assembly of the present application;

[0018] Figure 3 This is a schematic diagram of the exploded structure of an embodiment of the air duct assembly of the present application;

[0019] Figure 4 It is a structural schematic diagram of an embodiment of the air duct assembly of the present application;

[0020] Figure 5 This is a schematic diagram of the exploded structure of an embodiment of the air duct assembly of the present application;

[0021] Figure 6 It is a structural schematic diagram of an embodiment of the air duct assembly of the present application;

[0022] Figure 7 This is a schematic diagram of the exploded structure of an embodiment of the air duct assembly of the present application;

[0023] Figure 8 It is a structural schematic diagram of an embodiment of a refrigerator body of the present application. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. It is to be understood that the specific embodiments described herein are only used to explain the present application, rather than to limit the present application. It should also be noted that, for ease of description, only some structures related to the present application are shown in the accompanying drawings, rather than all structures. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0025] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0026] In the prior art, the foam sealing surface of the air duct foam part is easily deformed and cracked. The improvement method is to add a circle of plastic back cover plate at the air outlet of the air duct foam part for protection, and at the same time stick a circle of sponge on the plastic back cover plate, and fix the plastic back cover plate to the air duct cover plate with screws. This method adds an extra plastic back cover plate, the overall material cost is high, and the plastic back cover plate is fixed by a single screw, which ensures quality while sacrificing production and assembly efficiency.

[0027] Reference Figure 1 , Figure 2 , Figure 3The present application provides an air duct assembly 10, which includes an air duct foam member 11 and an air duct cover plate 12. The air duct foam member 11 includes a first surface a and a second surface b arranged opposite to each other in a first direction x, and a first end 101 of the first surface a has a protrusion 111, and the protrusion 111 is arranged away from the first surface a in the first direction x; the air duct cover plate 12 includes a third surface c and a fourth surface d arranged opposite to each other in the first direction x, and a first end 201 of the third surface c includes a first groove 121, such as Figure 1 The third surface c is relatively fitted with the first surface a, and the protrusion 111 is embedded in the first groove 121 to fix the air duct foam member 11 and the air duct cover plate 12. The first direction x is the thickness direction of the air duct assembly 10.

[0028] Specifically, the air duct foam member 11 and the air duct cover plate 12 that are interlocked with each other form the air duct assembly 10. Figure 1 , the first surface a of the air duct foam member 11 and the third surface c of the air duct cover plate 12 are in contact and fit. Figure 2 The first end 101 of the first surface a has a protrusion 111, and the protrusion 111 protrudes toward a side away from the first surface a in the first direction x. Figure 3 The third surface c has a first groove 121, and the first groove 121 is recessed in the first direction x toward a side away from the third surface c. The first surface a and the third surface c are fitted together, and the protrusion 111 is embedded in the first groove 121 to achieve the function of fixing the air duct foam member 11 and the air duct cover plate 12.

[0029] According to one embodiment of the present application, referring to Figure 4 The air duct assembly 10 further includes an intermediate air duct 13, which is arranged in close contact with the bottom of the protrusion 111 toward the first end 201. The intermediate air duct 13 connects the refrigerator compartment and the freezer compartment of a device such as a refrigerator, and the cold air in the freezer compartment is sent to the refrigerator compartment through the intermediate air duct 13 to keep the refrigerator compartment at a low temperature. The protrusion 111 is a foam material, and the first groove 121 is a plastic part. When the protrusion 111 is embedded in the first groove 121, the protrusion 111 is entirely wrapped in the first groove 121. When the protrusion 111 is subsequently sealed with the bottom of the first surface a and the second surface b away from the intermediate air duct 13, refer to Figure 5 The sealing surface becomes the bottom e of the first groove 121 away from the third surface c and the fourth surface d. Figure 4 ), becomes the sealing of the bottom e of the first groove 121 and the middle air duct 13 in the embodiment of the present application ( Figure 5Since the first groove 121 is a plastic part, the strength is much greater than that of the foam part, so the strength of the entire sealing surface is enhanced, and the sealing surface is resistant to friction and is not easy to deform and damage during assembly, which greatly improves the sealing reliability with the middle air duct 13.

[0030] According to an embodiment of the present application, the first groove 121 is designed as an integral part with the air duct cover plate 12. Different from the current technology in which a circle of plastic rear cover plate is added at the air outlet position of the air duct foam part for protection, the first groove 121 and the air duct cover plate 12 are designed as an integral part of the present embodiment, and the overall material cost is reduced. At the same time, the protrusion 111 is directly embedded in the first groove 121 and then sealed with the middle air duct 13, which can improve the assembly efficiency while ensuring the sealing reliability.

[0031] According to an embodiment of the present application, the protrusion 111 is integrally designed with the air duct foam member 11. The protrusion 111 is integrally designed with the air duct foam member 11, and the protrusion 111 is embedded in the first groove 121, which can ensure sealing reliability and improve assembly efficiency.

[0032] According to one embodiment of the present application, the air duct cover 12 has an air supply port 122, which is located on the side of the first groove 121 facing the first end 201 and passes through the first end 201 of the air duct cover; the air duct foam piece 11 has a first groove 112, which is located on the side of the raised portion 111 facing the first end 101 and passes through the first end 101 of the air duct foam piece 11; the raised portion 111 is in contact with the first groove 121, and the first groove 112 is arranged opposite to the air supply port 122 for achieving air supply.

[0033] Specifically, refer to Figure 3 and Figure 6 In order to achieve the effect of delivering the cold air from the freezer compartment to the refrigerator compartment through the intermediate air duct 13 and keeping the refrigerator compartment at a low temperature, an air supply port 122 is provided at the bottom of the air duct cover plate 12, that is, on the side of the first groove 121 facing the first end 201, and the air supply port 122 penetrates the first end 201 of the air duct cover plate; a first slot 112 is provided at the bottom of the air duct foam member 11, that is, on the side of the raised portion 111 facing the first end 101, and the first slot 112 penetrates the first end 101 of the air duct foam member 11. The air duct foam member 11 and the air duct cover plate 12 are fitted, and the first slot 112 is arranged opposite to the air supply port 122, so as to achieve air supply after being sealed with the intermediate air duct 13. Since the raised portion 111 of the present application is embedded in the first groove 121, and the first groove 121 and the air duct cover 12 are designed as an integral unit, when the bottom e of the first groove 121 is sealed with the intermediate air duct 13, the sealing surface is resistant to friction and not easy to deform and break, which greatly improves the sealing reliability with the intermediate air duct 13, avoids air leakage during the air supply process, and improves the refrigeration or freezing effect of equipment such as refrigerators.

[0034] According to an embodiment of the present application, the first slot 112 is formed by extending the second surface b in a direction toward the first surface a. Figure 3 The first slot 112 is formed by the second surface b extending in a concave direction toward the first surface a. The method of forming the first slot 112 is simple in structure, and no additional slot is required in the raised portion 111, so that it can be opposite to the air supply port 122 to achieve the function of air supply, thereby improving assembly efficiency. In other embodiments, a slot can also be formed at the bottom of the raised portion 111 away from the first surface a and the second surface b, and the slot is opposite to the air supply port 122 to achieve the function of air supply.

[0035] According to one embodiment of the present application, referring to Figure 2 The protrusion 111 has a plurality of cutting portions 113, and the cutting portions 113 form a guide surface, and the guide surface is used for the protrusion 111 to slide along the guide surface and be installed in the first groove 121. Specifically, the shape of the protrusion 111 is different from the shape of the first groove 121. The protrusion 111 is a polygon with a cutting portion 113, and the cutting portion 113 forms a guide surface, and the protrusion 111 slides along the guide surface and is installed in the first groove 121. In other words, the cutting portion 113 forms an avoidance space so as to be smoothly inserted and installed in the first groove 121. The design of the cutting portion 113 is conducive to the assembly of the air duct foam member 11 and the air duct cover plate 12.

[0036] According to one embodiment of the present application, the second surface b includes a first channel 114 and a second channel 115; the first channel 114 extends along the second direction y, and the first channel 114 passes through the first surface a and the second surface b; the second channel 115 extends along the second direction y, one end of the second channel 115 extends to the first end f of the second surface b, and the other end of the second channel 115 is connected to the first groove 112; wherein the second direction y intersects with the first direction x.

[0037] Specifically, refer to Figure 3 , the air duct foam member 11 is provided with a first channel 114 and a second channel 115 on the second surface b. The first channel 114 runs through the first surface a and the second surface b. The second channel 115 is extended along the second direction y, with one end extending to the first end f of the second surface b, and the other end connected to the first slot 112. When the first slot 112, the air supply port 122 and the middle air duct 13 are connected, when the middle air duct 13 supplies air, extending the length of the entire second channel 115 can improve the air supply efficiency, and at the same time improve the uniformity of the temperature inside the equipment, such as a refrigerator. Figure 7The air duct assembly 10 also includes a first cover plate 14, which is covered on the second surface b of the air duct foam piece 11 to form an air duct with the first channel 114 and the second channel 115 on the surface of the air duct foam piece 11. The wind in the middle air duct 13 enters the second channel 115 through the air supply port 122, and then flows out through the first channel 114.

[0038] According to one embodiment of the present application, the air duct cover 12 includes a third channel 123, the third channel 123 extends along the second direction y, the third channel 123 passes through the third surface c and the fourth surface d, the third surface c is relatively fitted with the first surface a, and the third channel 123 is relatively connected with the first channel 114.

[0039] Specifically, refer to Figure 3 The air duct cover plate 12 includes a third channel 123 extending along the second direction y, the third channel 123 runs through the third surface c and the fourth surface d, the third surface c is relatively fitted with the first surface a, and the third channel 123 is relatively connected with the first channel 114. The wind in the middle air duct 13 enters the second channel 115 through the air supply port 122, then flows into the third channel 123 through the first channel 114, and then enters the refrigerator body to realize the transmission of cold air. Since the raised portion 111 on the air duct foam member 11 of the present application is embedded in the first groove 121 on the air duct cover plate 12, and the first groove 121 is designed as an integral part with the air duct cover plate 12, when the bottom e of the first groove 121 is sealed with the middle air duct 13, the sealing surface is resistant to friction and not easy to deform and damage, which greatly improves the sealing reliability with the middle air duct 13, avoids the phenomenon of cold air leakage during the air supply process, and improves the refrigeration or freezing effect of the refrigerator.

[0040] According to one embodiment of the present application, the bottom e forms a sealing surface of the air duct cover 12 , and the sealing surface includes a sponge ring (not marked in the figure) arranged around the air supply port 122 , and the sponge ring is used for sealing the air duct cover 12 and the middle air duct 13 .

[0041] Specifically, with reference to Figure 3 and Figure 5 The sealing surface of the air duct cover plate 12 is the bottom e of the first groove 121 away from the third surface c and the fourth surface d. In order to further improve the sealing performance of the connection with the middle air duct 13, this embodiment sets a sponge ring (not marked in the figure) around the air outlet 122 of the bottom e. The middle air duct 13 is pressed and fitted with the sealing surface of the air duct cover plate 12 through the sponge ring, further improving the sealing performance. At the same time, since the bottom e and the air duct cover plate 12 are designed as an integrated whole, the sealing surface is resistant to friction and not easy to deform and break, which reduces costs, improves assembly efficiency, and improves the sealing reliability of the air duct cover plate 12 and the middle air duct 13.

[0042] The present application also provides a refrigerator, referring to Figure 8The refrigerator includes a box body 20, and an air duct assembly 10 as described in any one of the above items, and the air duct assembly 10 is arranged in the box body 20. In the air duct assembly 10 of the present application, the sealing surface connected to the middle air duct 13 is changed from being set at the bottom of the air duct foam part 11 to being set on the bottom e of the air duct cover plate 12. The air duct cover plate 12 is a plastic part, and its strength is much greater than the strength of the foam part of the air duct foam part 11. Therefore, the strength of the entire sealing surface is enhanced. When assembled and connected with the middle air duct 13, the sealing surface is resistant to friction and not easy to deform and break, which greatly improves the sealing reliability with the middle air duct 13. This method does not require the addition of redundant accessories. On the basis of ensuring the sealing reliability, it reduces the production cost and improves the assembly efficiency. The increased sealing reliability can avoid the leakage of cold air during the air supply process and improve the refrigeration or freezing effect of the refrigerator.

[0043] The above description is only an implementation method of the present application, and does not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly used in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. An air duct assembly, characterized in that: include: An air duct foam piece, the air duct foam piece comprising a first surface and a second surface arranged opposite to each other in a first direction, a first end of the first surface having a protrusion, and the protrusion is arranged away from the first surface in the first direction; The air duct cover plate includes a third surface and a fourth surface arranged opposite to each other in the first direction, the first end of the third surface includes a first groove, the third surface is relatively fitted with the first surface, and the protrusion is embedded in the first groove for fixing the air duct foam piece and the air duct cover plate.

2. The air duct assembly according to claim 1, characterized in that: The first groove and the air duct cover are designed as one piece.

3. The air duct assembly according to claim 2, characterized in that: The protrusion is designed as an integral unit with the air duct foam element.

4. The air duct assembly according to claim 3, characterized in that: The air duct cover plate has an air supply port, which is located on a side of the first groove facing the first end and passes through the first end of the air duct cover plate; The air duct foam piece has a first slot, which is located on the side of the protrusion facing the first end and passes through the first end of the air duct foam piece. The protrusion fits with the first groove, and the first slot is arranged opposite to the air supply port for air supply.

5. The air duct assembly according to claim 4, characterized in that: The first groove is formed by the second surface being recessed and extending toward the first surface.

6. The air duct assembly according to claim 3, characterized in that: The protrusion has a plurality of cutting portions, and the cutting portions form a guide surface, and the guide surface is used for the protrusion to be slidably installed in the first groove along the guide surface.

7. The air duct assembly according to claim 4, characterized in that: The second surface includes a first channel and a second channel; The first channel is extended along the second direction, and the first channel runs through the first surface and the second surface; The second channel is extended along the second direction, one end of the second channel extends to the first end of the second surface, and the other end of the second channel is connected to the first groove; The second direction intersects with the first direction.

8. The air duct assembly according to claim 7, characterized in that: The air duct cover plate includes a third channel, the third channel is extended along the second direction, the third channel runs through the third surface and the fourth surface, the third surface is relatively fitted with the first surface, and the third channel is relatively connected with the first channel.

9. The air duct assembly according to claim 4, characterized in that: The air duct assembly further includes an intermediate air duct, wherein the intermediate air duct is in contact with the bottom of the raised portion toward the first end; The bottom forms a sealing surface of the air duct cover plate, and the sealing surface includes a sponge ring arranged around the air supply port, and the sponge ring is used for sealing the air duct cover plate and the middle air duct.

10. A refrigerator, characterized in that: It comprises a box body; and an air duct assembly as described in any one of claims 1 to 9, wherein the air duct assembly is arranged in the box body.

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