CN218645863U - Refrigerator freezer wind channel subassembly - Google Patents

Abstract

The utility model provides a refrigerator freezer wind channel subassembly, set up in refrigerator median septum top and with median septum passway intercommunication, the lateral wall department of wind channel subassembly is provided with the evaporimeter, the wind channel subassembly is including water collector and wind channel structure, the wind channel structure sets up the top at the median septum, the bottom of wind channel structure has a intercommunication bottom plate, set up the passway intercommunication of a vent and median septum on the intercommunication bottom plate, the water collector sets up the position department that is located the evaporimeter below at the median septum, one side department that the intercommunication bottom plate is close to the evaporimeter is provided with a water guide structure, the one end of water guide structure stretches into the water collector setting. The utility model discloses an integrated into one piece's mode has increased the water guide plate on the wind channel panel to the hydrophobic layer has been introduced on the surface of water guide plate, makes during defrosting water can directly flow in the water collector through the water guide plate, has not had the residual water siltation on making the water guide plate because of the existence of hydrophobic layer simultaneously, causes the hidden danger that freezes.

Description

Refrigerator freezer wind channel subassembly

Technical Field

The utility model relates to a domestic refrigerator technical field, concretely relates to refrigerator freezer wind channel subassembly.

Background

The air-cooled refrigerator transmits the cold energy of the evaporator to the freezing chamber and the refrigerating chamber through the circulating air duct. At present, an air duct of a freezing chamber is generally arranged at the back of the freezing chamber, a plurality of air supply outlets are arranged on the air duct of the freezing chamber, a circulating air duct communicating structure is formed among the freezing chamber, a refrigerating chamber and an evaporator cavity, air is forced to circulate in the air duct by a fan, and cold air is supplied to the freezing chamber and the refrigerating chamber through the air supply outlets.

In order to meet the requirements of some users in the existing market, some air-cooled refrigerators have a freezing chamber 1 arranged on the upper part of a refrigerating chamber 2, and a middle partition plate 4 is arranged between a freezing chamber air duct 3 and a refrigerating chamber air duct as shown in fig. 1. The refrigerant enters the evaporator from the gas-liquid mixture of the compressor after being decompressed by the capillary tube, and then absorbs the heat in the tank through the evaporator, thereby achieving the refrigeration effect. In the refrigerating process, the moisture in the air can cause frost to be formed on the surface of the evaporator, so that the frost needs to be heated periodically. During defrosting, most of wind frost is dissolved into water and is discharged out of the refrigerator according to a preset water discharge path, but small water beads still adhere to the surface of the evaporator and the side wall of the air duct of the freezing chamber. Because the wind channel structural design of freezer is unreasonable, it can get into inside freezer wind channel and the median septum along the lateral wall in freezer wind channel to change the white water, the temperature drops and condenses into ice after the restart, it is shown with fig. 2 and fig. 3 to freeze the position, the multiple cycle ice volume accumulation, it makes in the cold volume of freezer can't get into the freezer to block up the median septum passageway finally, cause the weak cold phenomenon, the fresh-keeping and the fresh effect of lock of food material are discounted greatly, influence user experience.

Disclosure of Invention

In view of this, the utility model aims at providing a refrigerator freezer wind channel subassembly, this wind channel subassembly can be with changing in the direct water collector of white water to avoid getting into the freezer wind channel and the inside condition emergence that causes the freezing of median septum passway mouth of median septum.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a refrigerator freezer wind channel subassembly, sets up in refrigerator median septum top and with median septum passway intercommunication, the lateral wall department of wind channel subassembly is provided with the evaporimeter, the wind channel subassembly is including water collector and wind channel structure, the wind channel structure sets up the top of median septum, the bottom of wind channel structure has a intercommunication bottom plate, seted up a vent on the intercommunication bottom plate just the vent with the passway intercommunication of median septum, the water collector sets up the median septum is located the position department of evaporimeter below, the intercommunication bottom plate is close to one side department of evaporimeter is provided with a water guide structure, the one end of water guide structure stretches into the water collector setting.

Preferably, the water guide structure comprises a water guide plate and a hydrophobic layer, one end of the water guide plate is fixedly connected with the communicating bottom plate, the other end of the water guide plate extends downwards in an inclined mode into the water receiving tray, and the hydrophobic layer is arranged on the surface of the water guide plate.

Preferably, the length of the water guide plate is 25-35 mm, an included angle alpha is formed between the water guide plate and the communicating bottom plate, and the included angle alpha is 50-60 degrees.

Preferably, the water-guiding surface is attached with a hydrophobic film or coated with a hydrophobic coating to constitute the hydrophobic layer.

Preferably, the water guide plate and the communication bottom plate are integrally formed.

Preferably, the wind channel structure includes wind channel panel, fan, wind channel backplate, the wind channel panel sets up in the freezer chamber, the lateral wall of wind channel backplate is provided with the evaporimeter, the wind channel panel with the wind channel backplate passes through the fixed freezer wind channel that constitutes of trip joint, the fan sets up on the wind channel backplate, the bottom court of wind channel panel fan backplate direction extension is provided with the intercommunication bottom plate, the one side of intercommunication bottom plate with the side of fan backplate flushes.

Preferably, a middle supporting plate is clamped between the air duct panel and the air duct back plate.

Preferably, an air door opening has been seted up on the wind channel panel, the wind channel panel is located the inside side in freezer wind channel is in air door open-ended both sides are provided with a slider track, it is provided with an air door slider just to slide on the slider track the air door slider covers in the slip on the air door opening, the orientation of air door slider be equipped with a shifting block on the air door open-ended side, the shifting block runs through air door opening and protrusion in the wind channel panel sets up.

Compared with the prior art, the utility model provides a pair of refrigerator freezer wind channel subassembly has increased the water guide board through integrated into one piece's mode on the wind channel panel to the hydrophobic layer has been introduced on the surface of water guide board, makes during the defrosting water can directly flow in the water collector through the water guide board, can not have the residual water siltation on making the water guide board because of the existence of hydrophobic layer simultaneously, causes the hidden danger that freezes.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of an internal structure of a conventional air-cooled refrigerator;

FIG. 2 is a schematic view of the location of ice formation inside the air duct;

FIG. 3 is an enlarged schematic view of the freezing point of FIG. 2;

FIG. 4 is a cross-sectional view of the air duct assembly, the evaporator and the middle partition plate of the freezer compartment of the refrigerator according to the present invention;

fig. 5 is an exploded schematic view of the air duct assembly, the evaporator and the middle partition plate of the freezing chamber of the refrigerator provided by the present invention;

FIG. 6 is a schematic structural view of an air duct structure;

FIG. 7 is an exploded view of the air duct structure;

FIG. 8 is a disassembled view of the duct panel;

FIG. 9 is a schematic structural view of a water guide plate;

FIG. 10 is a schematic structural view of a water guide plate and a communication bottom plate;

FIG. 11 is a schematic view of a simulated flow of defrost water.

Reference numerals and component parts description referred to in the drawings:

1. a freezing chamber; 2. a refrigerating chamber; 3. a freezer air duct; 4. a middle partition plate; 5. a middle partition passage port; 6. an evaporator; 7. a water pan; 8. an air duct structure; 9. the bottom plate is communicated; 10. a vent; 11. an air duct panel; 12. a fan; 13. an air duct back plate; 14. a middle support plate; 15. an air door opening; 16. a damper slider; 17. shifting blocks; 18. a water guide plate.

Detailed Description

The technical solution of the present invention will be described clearly and completely through the following detailed description. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 4 to 5, the air duct assembly for the freezing chamber of the refrigerator is arranged above a middle partition plate 4 of the refrigerator and communicated with a channel opening 5 of the middle partition plate, and an evaporator 6 is arranged on the outer side wall of the air duct assembly.

Wherein, the wind channel subassembly includes water collector 7 and wind channel structure 8, and wind channel structure 8 sets up the top department at well baffle 4, has set up a intercommunication bottom plate 9 simultaneously in the bottom of wind channel structure 8. The communication bottom plate 9 is provided with a vent 10, and the vent 10 is communicated with the middle partition passage opening 5, so that the freezing chamber air duct 3 is communicated with the middle partition 4. The water receiving tray 7 is arranged at the position, below the evaporator 6, of the middle partition plate 4, a water guide structure is arranged at one side, close to the evaporator 6, of the communication bottom plate 9, one end of the water guide structure extends into the water receiving tray 7, namely, defrosting water can directly flow into the water receiving tray 7 through the guide of the water guide structure, and is prevented from entering the freezing chamber air duct 3 and the middle partition plate 4.

Referring to fig. 6 to 8, the air duct structure includes an air duct panel 11, a fan 12, and an air duct back plate 13, the air duct panel 11 is disposed in the freezing chamber 1, and an evaporator 6 is disposed on a side wall of the air duct back plate 13. The air duct panel 11 and the air duct back plate 13 are sealed and packaged, and then are clamped and fixed through clamping hooks on the periphery of the outer side to form the freezing chamber air duct 3. There is no gap between the duct panel 11 and the duct back 13, and it is necessary to ensure the air tightness inside the freezing chamber duct 3. In order to further enhance the structural strength of the freezing chamber air duct 3, a middle support plate 14 is further disposed between the air duct panel 11 and the air duct back plate 13, i.e., inside the freezing chamber air duct 3.

An air door opening 15 is formed in the air duct panel 11, a slider rail 19 is arranged on the side, located inside the freezing chamber air duct 3, of the air duct panel 11 on two sides of the air door opening 15, an air door slider 16 is arranged on the slider rail 19 in a sliding mode, the air door slider 16 covers the air door opening 15 in a sliding mode, a shifting block 17 is arranged on the side, facing the air door opening 15, of the air door slider 16, and the shifting block 17 penetrates through the air door opening 15 and protrudes out of the air duct panel 11. A user can toggle the air door slider 16 through the toggle block 17 to change the area of the air door slider 16 covering the air door opening 15, so that the purpose of changing the size of the air door opening 15 to control the size of the cooling capacity is achieved. In order to clearly indicate, scales corresponding to the cooling capacity can be arranged on the air duct panel 11 according to the size of the air door opening 15, so that a user can shift the air door slider 16 to a proper position according to the scale indication.

Fan 12 sets up on wind channel backplate 13, and the bottom of wind channel panel 11 extends towards fan backplate 13 and is provided with intercommunication bottom plate 9, and one side of intercommunication bottom plate 9 flushes with the side of fan backplate 13, and the one end that water guide structure and intercommunication bottom plate 9 are connected flushes with the side of fan backplate 13 promptly, and the defrosting water directly flows into on the water guide structure from the lateral wall of fan backplate 13.

Referring to fig. 9 to 10, the water guide structure includes a water guide plate 18 and a hydrophobic layer (not shown in the figures), one end of the water guide plate 18 is fixedly connected to the communication bottom plate 9, and the other end of the water guide plate extends downward and slantingly into the water receiving tray 7. The water guide plate 18 and the communication bottom plate 9 are preferably integrally formed. The length of the water guide plate 18 is 25-35 mm, preferably set to 30mm in this embodiment, if the length is too long, there is a hidden trouble when installing the air duct panel 11, the air duct panel 11 is difficult to insert into a designated position, and then the water guide plate can interfere with the fins of the evaporator 6, so that the evaporator 6 cannot work normally. An included angle alpha is formed between the water guide plate 18 and the communication bottom plate 9 and is 50-60 degrees, in the embodiment, the included angle alpha is 55 degrees, the included angle alpha can ensure that the mold can be smoothly demoulded during integral forming, meanwhile, defrosting water can be smoothly guided into the water receiving tray 7 below, and the defrosting water is easily guided into other positions due to too large or too small angle, so that the defrosting water cannot be timely discharged.

Further, the surface of the water guide plate 18 is provided with a hydrophobic layer. Specifically, a hydrophobic film may be attached to the surface of the water guide plate 18 or a hydrophobic coating may be applied to form the hydrophobic layer. The hydrophobic film or the hydrophobic coating has a hydrophobic effect simulating a lotus leaf surface structure, and the flowing defrosting water beads are converged together and guided into the water receiving tray 7 under the action of the surface tension, and the flowing direction of the defrosting water can be seen in fig. 11.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. The utility model provides a refrigerator freezer wind channel subassembly, sets up in refrigerator median septum top and with median septum passway intercommunication, the lateral wall department of wind channel subassembly is provided with evaporimeter, its characterized in that: the air duct assembly comprises a water receiving tray and an air duct structure, the air duct structure is arranged above the middle partition plate, the bottom of the air duct structure is provided with a communicating bottom plate, a vent is formed in the communicating bottom plate and communicated with a channel opening of the middle partition plate, the water receiving tray is arranged at a position below the evaporator, the communicating bottom plate is close to a water guide structure arranged at one side of the evaporator, and one end of the water guide structure extends into the water receiving tray.

2. The air duct assembly for the freezing chamber of the refrigerator as claimed in claim 1, wherein: the water guide structure comprises a water guide plate and a hydrophobic layer, one end of the water guide plate is fixedly connected with the communicating bottom plate, the other end of the water guide plate extends downwards into the water receiving tray in an inclined mode, and the hydrophobic layer is arranged on the surface of the water guide plate.

3. The air duct assembly for the freezing chamber of the refrigerator as claimed in claim 2, wherein: the length of the water guide plate is 25-35 mm, an included angle alpha is formed between the water guide plate and the communicating bottom plate, and the included angle alpha is 50-60 degrees.

4. The air duct assembly for the freezing chamber of the refrigerator as claimed in claim 2, wherein: the water guiding surface is attached with a hydrophobic film or coated with a hydrophobic coating to form the hydrophobic layer.

5. The air duct assembly for the freezing chamber of the refrigerator as claimed in claim 2, wherein: the water guide plate and the communicating bottom plate are integrally formed.

6. The air duct assembly for the freezing chamber of the refrigerator as claimed in claim 1, wherein: the wind channel structure includes wind channel panel, fan, wind channel backplate, the wind channel panel sets up in the freezer chamber, the lateral wall of wind channel backplate is provided with the evaporimeter, the wind channel panel with the wind channel backplate passes through the fixed constitution freezer wind channel of trip joint, the fan sets up on the wind channel backplate, the bottom court of wind channel panel fan backplate direction extension is provided with the intercommunication bottom plate, the one side of intercommunication bottom plate with the side of fan backplate flushes.

7. The air duct assembly for the freezing chamber of the refrigerator as claimed in claim 6, wherein: and a middle supporting plate is clamped between the air duct panel and the air duct back plate.

8. The air duct assembly for the freezing chamber of the refrigerator as claimed in claim 6, wherein: the air door opening has been seted up on the wind channel panel, the wind channel panel is located the inside side in freezer wind channel is in wind door open-ended both sides are provided with a slider track, it is provided with an air door slider just to slide on the slider track the air door slider covers in the slip on the air door opening, the orientation of air door slider be equipped with a shifting block on the air door open-ended side, the shifting block runs through air door opening and protrusion in the wind channel panel sets up.

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