Integrated air duct assembly applied to single-circulation multi-temperature-zone refrigerator

Abstract

The utility model provides an integrated air duct assembly applied to a single-circulation multi-temperature-zone refrigerator, and particularly relates to the technical field of refrigeration equipment. The air duct assembly is installed between a back plate of a refrigerator shell and a leeward plate of a foaming inner container and comprises an assembly body, and the assembly body comprises a first connecting piece, a second connecting piece, a third connecting piece and an air duct cover plate arranged on the rear side wall of the first connecting piece, a first air supply duct is formed between the second connecting piece and the first connecting piece; a second air supply duct and a first air return duct are formed between the third connecting piece and the first connecting piece; and a second air return duct is formed between the air duct cover plate and the first connecting piece. The air supply and return integrated air duct structure is achieved, and the problems that a traditional single-circulation multi-temperature-zone refrigerator air duct is complex in structure, tedious in process and high in cost are effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to refrigeration equipment technical field, concretely relates to a kind of integrated air duct components applied to single cycle multi-temperature zone refrigerator. BACKGROUND

[0002] At present, most single cycle multi-temperature zone refrigerators adopt multi-air duct structure form, its structure is more complex, and air duct mostly adopts injection molding plus extrusion plastic piece combination or injection molding plus extrusion plus foam combination, but the splicing sealing assembly between each air duct and air outlet seat is often needed in the two methods, not only cost is higher and operation process is complicated. INVENTION CONTENTS

[0003] In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides an integrated air duct component applied to a single cycle multi-temperature zone refrigerator, and the specific technical solutions are as follows:

[0004] An integrated air duct component applied to a single cycle multi-temperature zone refrigerator is installed between the back plate of the refrigerator shell and the leeward plate of the foamed inner container, comprising a component body, the component body comprises a first connecting piece, a second connecting piece and a third connecting piece arranged on the front side wall of the first connecting piece, and an air duct cover plate arranged on the rear side wall of the first connecting piece; the second connecting piece is horizontally arranged on the front side wall of the first connecting piece near the upper part; the third connecting piece is vertically arranged on one side of the bottom of the second connecting piece; the front side wall of the first connecting piece is sequentially provided with a first groove, a second groove and a third groove from top to bottom corresponding to the positions of the second connecting piece and the third connecting piece; the fourth groove is arranged on the rear side wall of the first connecting piece corresponding to the position of the air duct cover plate; the fifth groove which is mirror-symmetric with the first groove is arranged on one side of the second connecting piece close to the first connecting piece; the first groove and the fifth groove are connected to form a first air supply duct; the sixth groove and the seventh groove are sequentially arranged on one side of the third connecting piece close to the first connecting piece from top to bottom; the sixth groove and the second groove are mirror-symmetric structures and are connected to form a second air supply duct; the seventh groove and the third groove are mirror-symmetric structures and are connected to form a first return air duct; the eighth groove is arranged on one side of the air duct cover plate close to the first connecting piece; the eighth groove and the fourth groove are mirror-symmetric structures and are connected to form a second return air duct.

[0005] Preferably, one end of the first air supply duct is connected with the first air supply port on one side of the freezer compartment, and the other end is connected with the second air supply port on one side of the refrigerator compartment; one end of the second air supply duct is connected with the third air supply port on one side of the freezer compartment, and the other end is connected with the fourth air supply port on one side of the variable-temperature compartment; one end of the first air return duct is connected with the first air return port on one side of the freezer compartment, and the other end is connected with the second air return port on one side of the variable-temperature compartment; one end of the second air return duct is connected with the third air return port on one side of the freezer compartment, and the other end is connected with the fourth air return port on one side of the refrigerator compartment.

[0006] Preferably, the second connecting piece, the third connecting piece and the air duct cover plate are clamped with the first connecting piece.

[0007] Preferably, the assembly body is clamped between the back plate of the foamed liner.

[0008] Preferably, the first connecting piece is provided with a plurality of support columns abutting against the back plate of the shell on one side close to the back plate.

[0009] Preferably, an evaporator and an evaporating fan are arranged in the inner cavity between the back plate on one side of the freezer compartment and the back plate of the shell.

[0010] Preferably, the first air supply port and the third air supply port correspond to the outlet positions of the air supply ducts in the freezer compartment.

[0011] Further preferably, the first air return port and the third air return port correspond to the inlet positions of the air return ducts in the freezer compartment.

[0012] Further preferably, the first connecting piece, the second connecting piece and the third connecting piece are made of polystyrene foam structure.

[0013] More preferably, the air duct cover plate is made of a thinning injection molded plastic part.

[0014] The beneficial effects of the present utility model are:

[0015] 1. The present utility model has compact and reasonable structure, is convenient to install and disassemble, effectively realizes the air supply and return integrated air duct structure, has simple process and low cost compared with the multi-air duct structure of the traditional single-cycle multi-temperature zone refrigerator, and avoids the air duct and air outlet seat splicing problem;

[0016] 2. Considering that the foam size of the refrigerator air return duct position is high, in order to prevent the influence on the flowability of the foaming agent and ensure the overall sealing of the air duct assembly, the first connecting piece, the second connecting piece and the third connecting piece are made of polystyrene foam structure, and the air duct cover plate is made of a thinning injection molded plastic part.

[0017] 3. The first connecting piece of the utility model is equipped with support column structure, and good support effect is played to the foaming of the box body. BRIEF DESCRIPTION OF DRAWINGS

[0018] The drawings constituting the specification of the utility model are used for providing further understanding of the application and do not constitute undue limitation on the application.

[0019] Figure 1 It is the installation position schematic view of the utility model;

[0020] Figure 2 It is the overall structure schematic view of the utility model;

[0021] Figure 3 It is Figure 2 rear view;

[0022] Figure 4 It is the structure schematic view of the first connecting piece;

[0023] Figure 5 It is the rear view of the first connecting piece;

[0024] Figure 6 It is the rear view of the second connecting piece;

[0025] Figure 7 It is the rear view of the third connecting piece;

[0026] Figure 8 It is the front view of the air duct cover plate;

[0027] In the drawing, 1-freezing chamber; 2-refrigerating chamber; 3-temperature changing chamber; 4-assembly body; 41-first connecting piece; 411-first recess; 412-second recess; 413-third recess; 414-fourth recess; 415-support column; 42-second connecting piece; 421-fifth recess; 43-third connecting piece; 431-sixth recess; 432-seventh recess; 44-air duct cover plate; 441-eighth recess; 5-first air outlet; 6-second air outlet; 7-third air outlet; 8-fourth air outlet; 9-first air return; 10-second air return; 11-third air return; 12-fourth air return. DETAILED DESCRIPTION

[0028] The specific embodiment of the integrated air duct assembly applied to the single-cycle multi-temperature-zone refrigerator provided by the utility model is further explained in combination with the drawings and examples.

[0029] As Figure 1 shown, an integrated air duct assembly applied to the single-cycle multi-temperature-zone refrigerator is installed between the back plate of the refrigerator shell and the leeward plate of the foamed liner, mainly used for connecting the temperature zones of the single-cycle multi-temperature-zone refrigerator, so as to realize the cold air circulation of the temperature zones.

[0030] As Figures 2-3 shown, the air duct assembly comprises an assembly body 4, the assembly body 4 comprises a first connecting piece 41, a second connecting piece 42 and a third connecting piece 43 arranged on the front side wall of the first connecting piece 41, and an air duct cover plate 44 arranged on the back side wall of the first connecting piece 41; wherein the second connecting piece 42 is arranged transversely on the front side wall of the first connecting piece 41 near the upper part; the third connecting piece 43 is arranged vertically on the bottom side of the second connecting piece 42; preferably, the second connecting piece 42, the third connecting piece 43 and the air duct cover plate 44 are all clamped with the first connecting piece 41.

[0031] Preferably, in order to facilitate installation, the assembly body 4 and the leeward plate of the refrigerator foamed inner container also adopt the form of clamping.

[0032] As Figures 4-5 shown, the front side wall of the first connecting piece 41 is sequentially provided with a first groove 411, a second groove 412 and a third groove 413 from top to bottom corresponding to the positions of the second connecting piece 42 and the third connecting piece 43; the back side wall of the first connecting piece 41 is provided with a fourth groove 414 corresponding to the position of the air duct cover plate 44;

[0033] As Figure 6 shown, the second connecting piece 42 is provided with a fifth groove 421 which is mirror-symmetric with the first groove 411 near one side of the first connecting piece 41; the first groove 411 and the fifth groove 421 form a first air supply duct, which is mainly used for conveying cold air in the freezer compartment 1 into the refrigeration compartment 2;

[0034] As Figure 7 shown, the third connecting piece 43 is sequentially provided with a sixth groove 431 and a seventh groove 432 from top to bottom near one side of the first connecting piece 41; the sixth groove 431 and the second groove 412 are mirror-symmetric structures and the sixth groove 431 and the second groove 412 form a second air supply duct, which is mainly used for conveying cold air in the freezer compartment 1 into the temperature-changing compartment 3; the seventh groove 432 and the third groove 413 are mirror-symmetric structures and the seventh groove 432 and the third groove 413 form a first air return duct, which is mainly used for conveying the circulating return air in the temperature-changing compartment 3 to one side of the return air duct in the freezer compartment 1;

[0035] As Figure 8 shown, the air duct cover plate 44 is provided with an eighth groove 441 near one side of the first connecting piece 41; the eighth groove 441 and the fourth groove 414 are mirror-symmetric structures and the eighth groove 441 and the fourth groove 414 form a second air return duct, which is mainly used for conveying the circulating return air in the refrigeration compartment 2 to one side of the return air duct in the freezer compartment 1.

[0036] It is worth mentioning here that one end of the first air supply duct is communicated with the first air supply port 5 on one side of the freezer compartment 1, and the other end is communicated with the second air supply port 6 on one side of the refrigeration compartment 2; one end of the second air supply duct is communicated with the third air supply port 7 on one side of the freezer compartment 1, and the other end is communicated with the fourth air supply port 8 on one side of the variable temperature compartment 3; one end of the first air return duct is communicated with the first air return port 9 on one side of the freezer compartment 1, and the other end is communicated with the second air return port 10 on one side of the variable temperature compartment 3; one end of the second air return duct is communicated with the third air return port 11 on one side of the freezer compartment 1, and the other end is communicated with the fourth air return port 12 on one side of the refrigeration compartment 2, thereby realizing the circulation of cold air in the refrigeration compartment 2 and the variable temperature compartment 3 in the single-circulation refrigerator.

[0037] Preferably, the first connecting piece 41 is provided with a plurality of support columns 415 abutting the back plate of the refrigerator shell on one side of the back plate, so that the foaming of the cabinet is well supported without the need for a separate support structure.

[0038] Preferably, an evaporator and an evaporative fan are arranged in the inner cavity between the back plate on one side of the freezer compartment 1 and the back plate of the shell.

[0039] Further preferably, the first air supply port 5 and the third air supply port 7 correspond to the outlet position of the air supply duct in the freezer compartment 1, so as to ensure that the cold air in the air supply duct of the freezer compartment 1 smoothly enters the refrigeration compartment 2 and the variable temperature compartment 3, and realizes refrigeration.

[0040] Further preferably, the first air return port 9 and the third air return port 11 correspond to the inlet position of the air return duct in the freezer compartment 1, so as to ensure that the circulating air recovered from the refrigeration compartment 2 and the variable temperature compartment 3 smoothly flows into the air return duct of the freezer compartment 1.

[0041] Still further preferably, in order to ensure the sealing performance of the air duct, the first connecting piece 41, the second connecting piece 42 and the third connecting piece 43 are all made of polystyrene foam structure.

[0042] Still further preferably, considering that the size of the foam at the position of the air return duct of the refrigerator is high, in order to prevent the influence on the flowability of the foaming agent and ensure the overall sealing performance of the air duct assembly 4, the air duct cover plate 44 is made of a thinned injection molded plastic part.

[0043] The air duct structure of the utility model realizes the integration of air supply and air return, has simple and compact structure, is convenient to install and has good sealing performance, and effectively solves the problems of complex air duct structure, complicated process and high cost of traditional single-circulation multi-temperature-zone refrigerator.

[0044] In the utility model, the terms such as "upper", "lower", "bottom", "top" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are merely the relationship words determined for the convenience of describing the structural relationship of the components or elements of the utility model, and are not specific to the components or elements of the utility model, and should not be understood as the limitation of the utility model. The terms such as "connected", "connected" and the like should be understood in a broad sense, which means that it can be fixedly connected, integrally connected or detachably connected; it can be directly connected or indirectly connected through an intermediate medium. For the relevant scientific research or technical personnel in the field, the specific meaning of the above terms in the utility model can be determined according to the specific circumstances, and should not be understood as the limitation of the utility model.

[0045] Of course, the above description is not a limitation of the utility model, and the utility model is also not limited to the above examples. The changes, modifications, additions or replacements made by the technical personnel in the technical field within the essential scope of the utility model should also belong to the protection scope of the utility model.

Claims

1. An integrated air duct assembly applied to a single-cycle multi-temperature zone refrigerator, installed between the back plate of the refrigerator shell and the leeward plate of the foamed liner, characterized in that, The assembly body comprises a first connecting piece, a second connecting piece arranged on the front side wall of the first connecting piece, a third connecting piece, and a duct cover plate arranged on the back side wall of the first connecting piece; The second connecting piece is arranged on the front side wall of the first connecting piece near the upper portion in a transverse manner; the third connecting piece is arranged on the bottom side of the second connecting piece in a vertical manner; The front side wall of the first connecting piece is sequentially provided with a first groove, a second groove, and a third groove from top to bottom corresponding to the positions of the second connecting piece and the third connecting piece; the back side wall of the first connecting piece is provided with a fourth groove corresponding to the position of the duct cover plate; The second connecting piece is provided with a fifth groove which is mirror-symmetric to the first groove on the side close to the first connecting piece; the first groove and the fifth groove are connected to form a first air supply duct; The third connecting piece is sequentially provided with a sixth groove and a seventh groove from top to bottom on the side close to the first connecting piece; the sixth groove is mirror-symmetric to the second groove and the sixth groove and the second groove are connected to form a second air supply duct; the seventh groove is mirror-symmetric to the third groove and the seventh groove and the third groove are connected to form a first air return duct; The duct cover plate is provided with an eighth groove on the side close to the first connecting piece; the eighth groove is mirror-symmetric to the fourth groove and the eighth groove and the fourth groove are connected to form a second air return duct.

2. The integrated air duct assembly for use in a single cycle multi-temperature zone refrigerator of claim 1, wherein, One end of the first air supply duct is connected to a first air supply port on one side of the freezer compartment, and the other end is connected to a second air supply port on one side of the refrigerator compartment; One end of the second air supply duct is connected to a third air supply port on one side of the freezer compartment, and the other end is connected to a fourth air supply port on one side of the variable-temperature compartment; One end of the first air return duct is connected to a first air return port on one side of the freezer compartment, and the other end is connected to a second air return port on one side of the variable-temperature compartment; One end of the second air return duct is connected to a third air return port on one side of the freezer compartment, and the other end is connected to a fourth air return port on one side of the refrigerator compartment.

3. The integrated air duct assembly for use in a single cycle multi-temperature zone refrigerator of claim 1, wherein, The second connecting piece, the third connecting piece, and the duct cover plate are all clamped with the first connecting piece.

4. The integrated air duct assembly for use in a single cycle multi-temperature zone refrigerator of claim 1, wherein, The assembly body is clamped with the back plate of the foamed liner.

5. The integrated air duct assembly for use in a single cycle multi-temperature zone refrigerator as claimed in claim 1, wherein, The first connecting piece is provided with a plurality of support columns on the side close to the back plate of the refrigerator shell.

6. The integrated air duct assembly for use in a single cycle multi-temperature zone refrigerator of claim 2, wherein, An evaporator and an evaporating fan are arranged in the inner cavity between the back plate of the freezer compartment and the back plate of the shell.

7. The integrated air duct assembly for use in a single cycle multi-temperature zone refrigerator of claim 6, wherein, The first air supply port and the third air supply port correspond to the outlet position of the air supply duct in the freezer compartment.

8. The integrated air duct assembly for use in a single cycle multi-temperature zone refrigerator of claim 6, wherein, The first air return port and the third air return port correspond to the inlet position of the air return duct in the freezer compartment.

9. The integrated air duct assembly for use in a single cycle multi-temperature zone refrigerator as claimed in claim 1, wherein, The first connecting piece, the second connecting piece, and the third connecting piece are all made of polystyrene foam structure.

10. The integrated air duct assembly for use in a single cycle multi-temperature zone refrigerator of claim 1, wherein, The duct cover plate is made of a thinned injection molded plastic part.

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