EPS (Expandable Polystyrene) foam air duct assembly for freezing chamber of refrigerator

Abstract

The utility model provides an EPS (Expandable Polystyrene) foam air duct component for a freezing chamber of a refrigerator, which relates to the technical field of foam air duct components and comprises two first main plates and two second main plates, iron wires are fixed between the two first main plates and the two second main plates, and a first connecting plate is fixed on the outer wall of the iron wires between the two first main plates. Through the arrangement of an iron wire, a plurality of first connecting plates and a plurality of second connecting plates, when the device is installed in the air inlet pipe and the air inlet pipe deforms to a certain degree, due to the bending property of the iron wire, each first connecting plate and each second connecting plate can be driven to change according to the deformation of the air inlet pipe and the space of a gap; in addition, the device is installed in a buckling mode through the clamping columns, the device can be rapidly installed only by forming the clamping holes in the outer wall of the air inlet pipe, the problem that installation is troublesome due to the fact that a plurality of bolts are installed traditionally is solved, and the practicability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of foam air duct components, in particular to an EPS foam air duct component used in a freezer compartment of a refrigerator. Background Art

[0002] The freezer compartment of an air-cooled refrigerator must be equipped with an air inlet duct and an air return duct. The air inlet duct is generally in the form of a foam duct embedded in the tube, and the foam duct is an integrally formed foam pipe. The production process is as follows: first make the air inlet duct, then insert the mold core and pour the foam plastic, and after cooling and forming, apply latex to the front and rear ends of the air inlet duct for further fixation.

[0003] At present, in the existing refrigerator freezer foam duct assembly, the foam duct is completely fitted with the air inlet pipe, and there is no reserved space between the foam duct and the air inlet pipe. As long as the air inlet pipe is slightly bent by a small force, the foam duct will break, and the practicality is poor. Utility Model Content

[0004] The utility model aims to solve the problem in the prior art that there is no reserved space between the foam air duct and the air inlet pipe, and the foam air duct will break as long as the air inlet pipe is slightly bent by a small force, and proposes an EPS foam air duct component for a refrigerator freezer.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an EPS foam air duct assembly for a refrigerator freezer, comprising two first main boards and two second main boards, iron wires are fixed between the two first main boards and the two second main boards, a first connecting plate is fixed on the outer wall of the iron wire between the two first main boards, a second connecting plate matching the first connecting plate is fixed on the outer wall of the iron wire between the two second main boards, wherein the two first connecting plates are provided with a snap-on structure for clamping with the air inlet pipe at one end away from the second connecting plate.

[0006] Preferably, the buckle structure includes an inner cavity opened at one end of the first connecting plate, a spring is fixed on the inner wall of the inner cavity, a clamping column is fixed at one end of the spring, and an end of the clamping column away from the spring passes through the first connecting plate and is arranged outside the first connecting plate.

[0007] Preferably, limiting blocks are fixed to the outer walls at both ends of the clamping column, and limiting grooves matching the limiting blocks are provided in the first connecting plate, and the limiting grooves are communicated with the inner cavity.

[0008] Preferably, a clamping cavity is formed at one end of the clamping column outside the first connecting plate.

[0009] Preferably, there are plural first connecting plates and plural second connecting plates, and a gap is provided between each of the first connecting plates and the second connecting plates.

[0010] Preferably, a connecting cavity is commonly provided between the plurality of the first connecting plates and the second connecting plates, and a connecting groove matching the iron wire is provided inside the plurality of the first connecting plates and the second connecting plates.

[0011] Preferably, a guide column is fixed to one end of the first main board facing the second main board, a guide groove matching the guide column is formed at one end of the second main board facing the first main board, and grooves are formed on the outer walls of the first main board and the second main board.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] Through the arrangement of the iron wire and multiple first connecting plates and multiple second connecting plates, when the device is installed in the air inlet duct, when the air inlet duct undergoes a certain deformation, since the iron wire itself has the flexibility, it will drive each first connecting plate and the second connecting plate to change according to the deformation of the air inlet duct and the space of the gap, thereby preventing them from breaking, and making them more practical. In addition, the device is installed by means of a clamping column and a snap-on installation, and only a clamping hole needs to be opened on the outer wall of the air inlet duct to enable the device to be quickly installed, thus avoiding the troublesome problem of traditional installation with multiple bolts, and making it more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A three-dimensional diagram of an EPS foam air duct assembly for a refrigerator freezer compartment is proposed for the utility model;

[0015] Figure 2 A cross-sectional view of an EPS foam air duct assembly for a refrigerator freezer compartment is provided for the utility model;

[0016] Figure 3 A cross-sectional view of an EPS foam air duct assembly for a refrigerator freezer compartment is provided for the utility model;

[0017] Figure 4 The utility model provides a sectional view of a buckle structure of an EPS foam air duct assembly for a refrigerator freezer.

[0018] Legend: 1. First main board; 2. Second main board; 3. Iron wire; 4. First connecting plate; 5. Second connecting plate; 6. Connecting groove; 7. Guide column; 8. Guide groove; 9. Connecting cavity; 10. Gap; 11. Buckle structure; 1101. Inner cavity; 1102. Spring; 1103. Card column; 12. Limit block; 13. Limit groove; 14. Card cavity; 15. Groove. DETAILED DESCRIPTION

[0019] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0020] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure. Embodiment 1:

[0021] like Figure 1-4 As shown, the utility model provides an EPS foam air duct assembly for a refrigerator freezer, comprising two first main boards 1 and two second main boards 2, iron wires 3 are fixed between the two first main boards 1 and the two second main boards 2, a first connecting plate 4 is fixed on the outer wall of the iron wire 3 between the two first main boards 1, a second connecting plate 5 matching the first connecting plate 4 is fixed on the outer wall of the iron wire 3 between the two second main boards 2, wherein the ends of the two first connecting plates 4 away from the second connecting plates 5 are provided with a snap structure 11 for snapping with the air inlet pipe.

[0022] The effects achieved by the entire embodiment 1 are:

[0023] The device is provided with a wire 3 and a plurality of first connecting plates 4 and a plurality of second connecting plates 5. When the device is installed in the air inlet pipe, when the air inlet pipe undergoes a certain deformation, since the wire 3 itself has the bending property, it will drive each first connecting plate 4 and the second connecting plate 5 to change according to the deformation of the air inlet pipe and the space of the gap 10 to prevent them from breaking, and the device is more practical. Through the provision of the snap structure 11, the device can be quickly snapped with the air inlet pipe, avoiding the time-consuming and labor-intensive problem of traditional multiple bolt installation, and the device is more practical. Embodiment 2:

[0024] like Figure 1-4As shown, the buckle structure 11 includes an inner cavity 1101 opened at one end of the first connecting plate 4, a spring 1102 is fixed on the inner wall of the inner cavity 1101, a clamping column 1103 is fixed at one end of the spring 1102, the end of the clamping column 1103 away from the spring 1102 passes through the first connecting plate 4 and is arranged outside the first connecting plate 4, the outer walls of both ends of the clamping column 1103 are fixed with a limiting block 12, the first connecting plate 4 is provided with a limiting groove 13 matching the limiting block 12, and the limiting groove 13 is connected to the inner cavity 1101, and the clamping column 1103 is provided at one end outside the first connecting plate 4. There are a card cavity 14, a plurality of first connecting plates 4 and a plurality of second connecting plates 5, a gap 10 is provided between each of the first connecting plates 4 and the second connecting plates 5, a connecting cavity 9 is provided between the plurality of first connecting plates 4 and the second connecting plates 5, a connecting groove 6 matching the iron wire 3 is provided in the plurality of first connecting plates 4 and the second connecting plates 5, a guide column 7 is fixed to one end of the first main board 1 facing the second main board 2, a guide groove 8 matching the guide column 7 is provided at one end of the second main board 2 facing the first main board 1, and grooves 15 are provided on the outer walls of the first main board 1 and the second main board 2.

[0025] The effect achieved by the entire embodiment 2 is:

[0026] By setting the spring 1102 and the clamping column 1103, when the device needs to be installed, it is only necessary to press the clamping column 1103 into the inner cavity 1101 first, and then insert the device into the air inlet duct. When it is moved to the appropriate position, the clamping column 1103 will be pushed out of the clamping hole opened in the air inlet duct under the thrust of the spring 1102, thereby achieving the effect of installing the device. At the same time, the first main board 1 and the second main board 2 are prevented from separating in the air inlet duct under the guide limit of the guide column 7 and the guide groove 8, and the stability is enhanced.

[0027] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. An EPS foam air duct assembly for a refrigerator freezer, characterized in that: The invention comprises two first main boards (1) and two second main boards (2), wherein iron wires (3) are fixed between the two first main boards (1) and the two second main boards (2), a first connecting plate (4) is fixed on the outer wall of the iron wire (3) between the two first main boards (1), and a second connecting plate (5) matching the first connecting plate (4) is fixed on the outer wall of the iron wire (3) between the two second main boards (2), wherein the ends of the two first connecting plates (4) away from the second connecting plates (5) are provided with a buckle structure (11) for being clamped with an air inlet pipe.

2. The EPS foam air duct assembly for a refrigerator freezer according to claim 1, characterized in that: The buckle structure (11) comprises an inner cavity (1101) opened at one end of the first connecting plate (4), a spring (1102) being fixed on the inner wall of the inner cavity (1101), a clamping column (1103) being fixed at one end of the spring (1102), and an end of the clamping column (1103) away from the spring (1102) passing through the first connecting plate (4) and being arranged outside the first connecting plate (4).

3. The EPS foam air duct assembly for a refrigerator freezer according to claim 2, characterized in that: Limit blocks (12) are fixed to the outer walls at both ends of the clamping column (1103), and a limit groove (13) matching the limit block (12) is provided in the first connecting plate (4), and the limit groove (13) is communicated with the inner cavity (1101).

4. The EPS foam air duct assembly for a refrigerator freezer according to claim 2, characterized in that: The clamping column (1103) is provided with a clamping cavity (14) at one end thereof which is arranged outside the first connecting plate (4).

5. The EPS foam air duct assembly for a refrigerator freezer according to claim 1, characterized in that: There are a plurality of the first connecting plates (4) and the second connecting plates (5), and a gap (10) is provided between each of the first connecting plates (4) and the second connecting plates (5).

6. The EPS foam air duct assembly for a refrigerator freezer according to claim 1, characterized in that: A communicating cavity (9) is provided between the plurality of first connecting plates (4) and the second connecting plates (5), and a connecting groove (6) matching the iron wire (3) is provided inside the plurality of first connecting plates (4) and the second connecting plates (5).

7. The EPS foam air duct assembly for a refrigerator freezer according to claim 1, characterized in that: A guide column (7) is fixed to one end of the first main board (1) facing the second main board (2), a guide groove (8) matching the guide column (7) is provided at one end of the second main board (2) facing the first main board (1), and grooves (15) are provided on the outer walls of the first main board (1) and the second main board (2).

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