A refrigeration air duct assembly and refrigerator with integrated air inlet and return

Abstract

The present invention discloses an integrated inlet and return air freezing duct assembly and refrigerator, and relates to the field of refrigeration technology. In the present invention: the freezing duct assembly includes a freezing duct plate pressed in a freezing liner; a freezing air hood is installed on one side of the freezing duct plate; a freezing duct cover and an air duct cover plate are installed on the other side of the freezing duct plate; the inner side of the freezing duct cover forms a return air path with the freezing duct plate; the inner side of the air duct cover forms an air supply path with the freezing duct plate; the port side of the air supply path is connected with the inlet and return air ducts; the inlet and return air ducts are connected with the refrigeration liner. The present invention reduces the need for a return air duct to be developed separately, reduces the mold investment in product development, and improves the overall benefits of the product; the components used in the present invention are easy to assemble, and the assembly process is reliable, which reduces the production process and improves the manufacturing efficiency; at the same time, the thickness of the back foam layer of the freezing liner can be reduced, the volume of the freezing liner will be improved, and the cost of the whole machine will be reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of refrigeration, and in particular relates to a refrigeration air duct assembly and a refrigerator with integrated air inlet and return. Background Art

[0002] In existing refrigerators, the freezing air duct is an important carrier for the air outlet. After the fan motor is installed, the freezing air cover is installed to meet the air supply requirements of the air duct. The return air is returned through a separate return air duct in the foam layer. However, the assembly process of the above structure is complicated, the manufacturing process is difficult, and it will also have a certain effect on the thickness of the foam layer of the box.

[0003] As the competition in the refrigerator industry becomes increasingly fierce, the demand for cost control, process assembly improvement, and product cost performance is also increasing. Reducing the number of parts in the cabinet, improving the manufacturing and assembly process of the whole machine, and achieving the standardization of parts have become the direction that all home appliance companies are striving to pursue.

[0004] Similarly, the technical transformation of traditional refrigeration air ducts also needs to develop in the direction of low cost and high production process efficiency. Summary of the invention

[0005] The purpose of the present invention is to provide a refrigeration air duct assembly and a refrigerator with an integrated air inlet and return, which reduces the need for separately developed return air ducts, reduces mold investment in product development, and improves the overall efficiency of the product; at the same time, the thickness of the back foam layer of the freezer lining can be reduced, the volume of the freezer lining will be increased, and the cost of the entire machine will be reduced.

[0006] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0007] The present invention relates to an integrated inlet and return air freezing duct assembly and a refrigerator, wherein the refrigerator comprises a freezing liner, a cold storage liner and a freezing duct assembly, wherein the freezing duct assembly comprises a freezing duct plate pressed in the freezing liner; a freezing air hood is installed on one side of the freezing duct plate; a freezing duct cover and an air duct cover plate are installed on the other side of the freezing duct plate; the inner side of the freezing duct cover forms a return air path with the freezing duct plate; the inner side of the air duct cover forms an air supply path with the freezing duct plate; the port side of the air supply path is connected with the inlet and return air ducts; and the inlet and return air ducts are communicated with the cold storage liner.

[0008] As a preferred technical solution of the present invention, an air flow channel connected to the air supply path and located on the side of the refrigeration air hood is provided on the refrigeration air duct plate.

[0009] As a preferred technical solution of the present invention, the refrigeration air hood is provided with a plurality of snap interfaces for engaging the refrigeration air duct plate; the refrigeration air hood is provided with a plurality of mounting posts with threaded grooves.

[0010] As a preferred technical solution of the present invention, a plurality of screw holes are provided on the refrigeration air duct plate and the air duct cover plate; the air duct cover plate is pressed on the refrigeration air duct plate and fixed on the mounting posts of the refrigeration air hood by means of a plurality of screw columns.

[0011] As a preferred technical solution of the present invention, the return air port of the air inlet and return air duct connected to the refrigeration liner is connected to the return air path formed between the freezing air duct cover and the freezing air duct plate.

[0012] As a preferred technical solution of the present invention, the top of the freezing liner and the bottom of the refrigerating liner are both provided with interfaces connected to the inlet and return air ducts.

[0013] A method for circulating air in a refrigerator using an integrated air inlet and return refrigeration air duct assembly, comprising the following contents:

[0014] Step 1: After the refrigeration air duct plate and the refrigeration air duct cover are assembled, a return air duct is formed;

[0015] Step 2: The return air flow in the cold storage lining passes through the return air port of the return air duct and enters the return air path formed between the freezing air duct plate and the freezing air duct cover;

[0016] The airflow in the return air path formed between the freezing air duct plate and the freezing air duct cover in step three and step two is cooled by the freezing evaporator and rotated by the fan motor, and then the airflow is sent to the cold storage lining through the supply air path, forming a complete air path cycle.

[0017] The present invention has the following beneficial effects:

[0018] 1. The present invention adopts an integrated air inlet and return refrigeration duct assembly. The air inlet and return duct are on the same refrigeration duct assembly, which reduces the need to develop a separate return air duct, reduces the mold investment in product development, and improves the overall efficiency of the product; at the same time, the components used in the present invention are easy to assemble and have reliable assembly process, which reduces the production process and improves the manufacturing efficiency;

[0019] 2. The present invention adopts a simple return air duct, which is smaller in size and more versatile than the traditional return air duct in the refrigerator. The fluidity of the foaming material can also be effectively improved to avoid quality problems such as false foaming. At the same time, after the present invention uses the simple return air duct, the thickness of the foaming layer on the back of the freezer lining can be reduced, the volume of the freezer lining will be improved, and the cost of the whole machine will be reduced.

[0020] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0022] Figure 1 It is a schematic diagram of the structural coordination of the refrigeration air duct assembly and the refrigerator with integrated air inlet and return in the present invention;

[0023] Figure 2 for Figure 1 Schematic diagram of the structure (side view);

[0024] Figure 3 It is a structural schematic diagram of the integrated air inlet and return refrigeration air duct assembly of the present invention;

[0025] Figure 4 for Figure 3 A schematic diagram of the structure of another side view in FIG.

[0026] Figure 5 It is an exploded schematic diagram of the integrated air inlet and return refrigeration air duct assembly of the present invention;

[0027] Figure 6 It is a schematic diagram of the air supply path structure formed by assembling the freezing air duct plate and the freezing air duct cover in the present invention;

[0028] Figure 7 It is a schematic diagram of the air supply path structure formed by assembling the freezing air duct plate and the air duct cover plate in the present invention;

[0029] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0030] 1-refrigeration lining; 2-refrigeration air duct plate; 3-refrigeration air duct cover; 4-refrigeration air hood; 5-air duct cover; 6-inlet and return air ducts; 7-refrigeration lining; 8-air flow channel; 9-snap-on interface; 10-installation column; A-return air duct; B-supply air duct; refrigeration air duct assembly. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] In the description of the present invention, it should be understood that the terms "inside", "middle" and the like indicating directions or positional relationships are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific direction, be constructed and operate in a specific direction, and therefore should not be understood as limiting the present invention.

[0033] Embodiment 1

[0034] The present invention designs a freezing air duct assembly that integrates the return air duct and the supply air duct. The freezing air duct cover 3 and the freezing air duct plate 2 are seamlessly connected by buckling, and the joint is sealed with tape or other means to form a return air duct A. The freezing air duct plate 2 and the air duct cover plate 5 are assembled by screw columns to form a supply air duct B. A complete air duct circulation is formed by assembling various components. At the same time, there is no need to design a set of return air ducts that are large in volume and need to be placed in the freezing liner 1 and air duct joints that connect the cold storage liner 7 and the freezing liner 1. Only a universal inlet and return air duct 6 needs to be designed. The mold investment is small, the development cycle is short, and the production efficiency can be improved. The manufacturability of the whole machine and the versatility of the components can be effectively improved.

[0035] Embodiment 2

[0036] In the present invention:

[0037] The freezing air duct plate 2, the freezing air duct cover 3, the freezing air hood 4, the air duct cover plate 5, the inlet and return air ducts 6 and the refrigeration lining 7 are installed in the freezing lining 1 of the refrigerator. After the freezing air duct plate 2 and the freezing air duct cover 3 are assembled, two air paths are formed, namely the return air path A and the supply air path B; the back of the freezing air hood 4 is provided with a buckle interface 9 and an installation column 10 for connecting the freezing air duct plate 2 and the air duct cover plate 5, and the top of the freezing lining 1 and the bottom of the refrigeration lining 7 are provided with interfaces for connecting the inlet and return air ducts 6.

[0038] The air duct cover plate 5 and the freezing air duct plate 2 cooperate to form an air supply path B, and the air is sent into the cold storage liner 7 through the air supply port of the air inlet and return air duct 6, thereby achieving a refrigeration effect. At the same time, the air duct cover plate 5 and the freezing air duct are limited and fixed by three screw columns to increase assembly reliability.

[0039] After the freezing air duct plate 2 and the freezing air duct cover 3 are assembled, a return air path A will be formed. The return air in the cold storage lining 7 passes through the return air port of the return air duct 6 and enters the return air path A. Then, after the refrigeration evaporator is cooled and the fan motor rotates, the air is sent to the cold storage lining through the supply air path B, thus forming a complete air path cycle.

[0040] After the refrigeration air duct plate 2 and the refrigeration air duct cover 3 are assembled, they contain two different air paths. The two-stage or even three-stage return air duct in the original foam layer can be replaced by a simple inlet and return air duct 6, which reduces the manufacturing process, improves the manufacturing efficiency, and improves the fluidity of the foam material. At the same time, the thickness of the foam layer on the back of the refrigeration liner can be further reduced, reducing the cost of the whole machine product, increasing the product volume, and improving the competitiveness of the product.

[0041] Embodiment 3

[0042] In the integrated air inlet and return refrigeration duct assembly and refrigerator of this embodiment:

[0043] A freezing duct plate 2, a freezing duct cover 3, a freezing hood 4, an air duct cover plate 5 and a refrigerated lining 7 installed in the freezer lining 1 of the refrigerator are connected through the inlet and return air ducts 6. The freezing duct 2 and the freezing duct cover 3 are assembled to form a return air path; the freezing duct plate 2 and the air duct cover plate 5 are assembled to form an air supply path; the freezing duct plate 2, the freezing duct cover 3, the freezing hood 4 and the air duct cover plate 5 are assembled by screw columns and screws to form an air duct assembly, which is installed in the freezing lining 1 by screws and buckles, and the freezing lining 1 and the refrigerated lining 7 are connected through the inlet and return air ducts 6.

[0044] In the description of this specification, the description with reference to the term "embodiment" or the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0045] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A refrigerator with integrated air inlet and return, comprising a freezing liner (1), a refrigerating liner (7) and a freezing air duct assembly, characterized in that: The freezing air duct assembly comprises a freezing air duct plate (2) pressed into a freezing liner (1); A refrigeration air hood (4) is installed on one side of the refrigeration air duct plate (2); The other side of the freezing air duct plate (2) is cooperatively mounted with a freezing air duct cover (3) and an air duct cover plate (5); The inner side of the freezing air duct cover (3) forms a return air path (A) with the freezing air duct plate (2); The inner side of the air duct cover plate (5) forms an air supply path (B) with the freezing air duct plate (2); The port side of the air supply path (B) is connected to an air inlet and return duct (6); The inlet and return air ducts (6) are connected to the refrigerated lining (7); The refrigeration air duct plate (2) is provided with an air flow channel (8) located on the side of the refrigeration air hood (4) and connected to the air supply path (B); The return air port of the air inlet and return air duct (6) connected to the refrigeration lining (7) is connected to the return air path (A) formed between the freezing air duct cover (3) and the freezing air duct plate (2); The top of the freezing liner (1) and the bottom of the refrigerating liner (7) are both provided with interfaces for connecting to the inlet and return air ducts (6); The air circulation method is: Step 1: The refrigeration air duct plate (2) and the refrigeration air duct cover (3) are assembled to form a return air duct (A); Step 2: The return air flow in the refrigerated lining (7) passes through the return air port of the return air duct (6) and enters the return air path (A) formed between the freezing air duct plate (2) and the freezing air duct cover (3); The airflow entering the return air path (A) formed between the freezing air duct plate (2) and the freezing air duct cover (3) in step three and step two is cooled by the freezing evaporator and rotated by the fan motor, and then the airflow is sent to the cold storage lining (7) through the supply air path (B), forming a complete air path cycle.

2. The refrigerator with integrated air inlet and return air according to claim 1, characterized in that: The refrigeration air cover (4) is provided with a plurality of snap-fit ​​interfaces (9) for snapping onto the refrigeration air duct plate (2); The refrigeration air hood (4) is provided with a plurality of mounting clamping columns (10) with threaded grooves.

3. The refrigerator with integrated air inlet and return air according to claim 2, characterized in that: The freezing air duct plate (2) and the air duct cover plate (5) are provided with a plurality of screw holes; The air duct cover plate (5) is pressed against the freezing air duct plate (2) and fixedly mounted on the mounting clamping column (10) of the freezing air hood (4) via a plurality of screw columns.

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