CN112856914A

CN112856914A - Refrigerator air duct assembly and refrigerator

Info

Publication number: CN112856914A
Application number: CN201911178407.2A
Authority: CN
Inventors: 陈秀鹏; 周璇; 易小红; 张勇
Original assignee: Bo Xihua Electric Jiangsu Co Ltd; BSH Hausgeraete GmbH
Current assignee: Bo Xihua Electric Jiangsu Co Ltd; BSH Hausgeraete GmbH
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2021-05-28
Anticipated expiration: 2039-11-27
Also published as: CN112856914B

Abstract

The utility model relates to a refrigerator technical field especially relates to a refrigerator wind channel subassembly and refrigerator, and the former includes air supply wind channel, wind pressure wind channel and sealing member, and wherein the butt joint mouth has been seted up in the air supply wind channel, and the air outlet has been seted up in the wind pressure wind channel, and the sealing member sets up in the perisporium department that the air outlet was seted up in the wind pressure wind channel for including the former with the sealed butt joint latter of butt joint mouth with the air outlet. Compare with refrigerator wind channel seal structure among the prior art, the refrigerator wind channel subassembly that this application provided has sealed effectual, the difficult beneficial effect who leaks.

Description

Refrigerator air duct assembly and refrigerator

Technical Field

The application relates to the technical field of refrigerators, in particular to a refrigerator air duct assembly and a refrigerator.

Background

The refrigerator is a common household appliance in daily life, and the common household appliances comprise a direct-cooling refrigerator and an air-cooling refrigerator. For the air-cooled refrigerator, a fan is mainly used for circularly blowing cold air in a refrigerating chamber in a refrigerating system into a refrigerating chamber or a fresh-keeping chamber of the refrigerator through a circulating air supply mechanism, and the air-cooled refrigerator is favored by the current market due to the advantages of frost-free property, more uniform air-cooled temperature and small peculiar smell in the using process.

However, most of the circulating air supply mechanisms of the air-cooled refrigerators in the prior art are enclosed by the foam of the refrigerating air duct and the back plate of the liner of the refrigerating box, and the middle of the circulating air supply mechanisms is sealed by the sponge strips, so that the cost is high, and on the other hand, the number of sealing parts is large, and the problem of cold air leakage is easily caused.

Disclosure of Invention

The application provides a refrigerator air duct assembly and a refrigerator, which are used for solving the problem that air duct sealing mode existing in an air cooling refrigerator circulating air supply mechanism in the prior art easily causes cold air leakage.

The refrigerator air duct assembly comprises an air supply air duct, an air pressure air duct and a sealing element;

the air supply duct is provided with a butt joint port;

the wind pressure air duct is provided with an air outlet;

the sealing element is arranged on the peripheral wall of the wind pressure air duct which is enclosed into the wind outlet and is used for sealing and butting the wind outlet and the butting port.

In one possible design, the docking port and the air outlet are docked and arranged in a refrigerating chamber of the refrigerator.

In one possible design, an included angle formed between the butt joint port and the air outlet and between the air supply direction of the air supply duct and the air outlet is an acute angle.

In one possible design, the included angle ranges from 20 ° to 70 °.

In a possible design, a raised clamping edge is further arranged on the peripheral wall of the wind pressure air duct which encloses the air outlet;

the sealing element is fixedly arranged in a mode of being sleeved on the periphery of the raised clamping edge and attached to the peripheral wall.

In one possible design, the wind pressure duct includes a fan wind pressure cover and an evaporator cover plate;

the evaporator cover plate and the refrigerator liner form the refrigerating chamber together;

the fan wind pressure cover is arranged on one side of the evaporator cover plate facing the refrigerating chamber and forms the wind pressure wind channel together with the evaporator cover plate.

In one possible design, a turnover cover plate is further arranged at one end, which is far away from one side of the refrigeration compartment and close to the air supply duct, of the evaporator cover plate;

when the air supply duct and the air pressure duct are in sealed butt joint, the turnover cover plate is in sealed butt joint with the outer wall of the air supply duct and wraps the butt joint port and the air outlet.

In a possible design, the fan pressure hood is further provided with an air suction opening, and the air suction opening faces the evaporator in the refrigeration compartment.

In one possible design, a clamping head is arranged on the peripheral wall of the fan wind pressure cover;

a clamping groove is formed in the peripheral wall of the evaporator cover plate;

the fan wind pressure cover is arranged on the evaporator cover plate in a detachable clamping mode of the clamping head and the clamping groove.

In one possible design, the peripheral wall portion of the evaporator cover plate is further provided with a plug for mounting the evaporator cover plate to the refrigerator liner.

In addition, this application still provides a refrigerator, and this refrigerator includes foretell refrigerator wind channel assembly.

By combining the technical scheme, the beneficial effects of the method are analyzed as follows:

the refrigerator air duct assembly comprises an air supply air duct, an air pressure air duct and a sealing element; the air supply duct is provided with a butt joint port; the air pressure air duct is provided with an air outlet; the sealing element is arranged on the peripheral wall of the wind pressure air duct which encloses the air outlet and is used for sealing and butting the air outlet and the butting port.

This refrigerator air duct subassembly is owing to set up air supply wind channel, wind pressure wind channel and sealing member, and through the sealing member with the air outlet sealing connection in butt joint mouth and the wind pressure wind channel in air supply wind channel, need not to adopt wind channel foam, sponge strip to seal like the circulation air supply mechanism of air-cooled refrigerator among the prior art again, has simple structure, sealing performance is good, be difficult for producing the advantage that air conditioning leaked.

In addition, this application still provides a refrigerator, and this refrigerator includes foretell refrigerator wind channel subassembly, can realize all its beneficial effects, and the no longer repeated here.

Additional features and advantages of embodiments of the present application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of embodiments of the present application. The objectives and other advantages of the embodiments of the application will be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

FIG. 1 is a schematic assembly diagram of a refrigerator duct assembly according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a wind pressure duct in a refrigerator duct assembly provided in an embodiment of the present application;

fig. 3 is a schematic structural diagram (without a sealing member) of a wind pressure duct in a refrigerator duct assembly according to an embodiment of the present application;

reference numerals:

1-air supply duct;

11-a pair of interfaces;

2-wind pressure air duct;

21-air outlet;

211-raised snap edge;

22-evaporator cover plate;

221-folding the cover plate;

222-a card slot;

223-plug.

23-fan wind pressure cover;

231-an air suction opening;

232-clamping head;

3-a seal;

4-a refrigeration compartment;

5-refrigerator inner container;

6-an evaporator;

x-the direction of air supply.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

Detailed Description

For better understanding of the technical solutions of the present application, the following detailed descriptions of the embodiments of the present application are provided with reference to the accompanying drawings.

It should be understood that the embodiments described are only a few embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

It should be noted that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.

The following describes a specific embodiment of the structure of the air duct assembly for a refrigerator according to the embodiment of the present application.

FIG. 1 is a schematic assembly diagram of a refrigerator duct assembly according to an embodiment of the present disclosure; fig. 2 is a schematic structural diagram of a wind pressure duct in a refrigerator duct assembly provided in an embodiment of the present application; fig. 3 is a schematic structural diagram (without a sealing member) of a wind pressure duct in a refrigerator duct assembly according to an embodiment of the present application.

As shown in fig. 1, 2 and 3, an embodiment of the present application provides a refrigerator air duct assembly, which includes an air supply duct 1, an air pressure duct 2 and a sealing member 3; the air supply duct 1 is provided with a butt joint port 11; the wind pressure air duct 2 is provided with an air outlet 21; the sealing element 3 is disposed on a peripheral wall of the wind pressure duct 2 enclosing the wind outlet 21, and is used for sealing and butting the wind outlet 21 and the butting port 11.

This refrigerator wind channel subassembly is owing to set up air supply wind channel 1, wind pressure wind channel 2 and sealing member 3, and through sealing member 3 with air supply wind channel 1's interface 11 and the air outlet 21 sealing connection of wind pressure wind channel 2, need not to adopt wind channel foam, sponge strip to seal like the circulation air supply mechanism of air-cooled refrigerator among the prior art again, has simple structure, sealing performance is good, the difficult advantage that produces air conditioning and leak.

The above-mentioned sealing element 3 may be provided in particular, but not exclusively, as a rubber gasket.

In an alternative of this embodiment, the docking port 11 and the air outlet 21 are docked with the refrigeration compartment 4 of the refrigerator.

Specifically, as shown in fig. 1, since the sealing member 3 is inevitably damaged due to aging during use, after the service life of the sealing member 3 is prolonged, the sealing member 3 will naturally reduce its own sealing performance, and the interface 11 and the air outlet 21 are butted in the refrigeration compartment 4 of the refrigerator, so that when the sealing member 3 is degraded in its sealing performance due to aging, a part of cold air leaking from the sealed and butted joint between the interface 11 and the air outlet 21 will enter the refrigeration compartment 4 of the refrigerator again, and can be fed back to the air pressure duct 2 again by the blower, thereby playing a role of recycling.

In an alternative of this embodiment, an included angle formed between the interface 11 and the air outlet 21 and the air supply direction X of the air supply duct 1 is an acute angle.

Specifically, as shown in fig. 1, an included angle formed between the interface 11 and the air outlet 21 and the air supply direction X of the air supply duct 1 is set to be an acute angle, and compared with a conventional flush interface docking manner, the sealing element 3 provided at the docking position of the interface 11 and the air outlet 21 has a larger sealing area, so that the sealing effect of the sealing element 3 is further improved.

In an alternative to this embodiment, the included angle is in the range of 20 ° to 70 °.

Specifically, as shown in fig. 1, an included angle formed between the interface 11, the air outlet 21, and the air blowing direction X of the air blowing duct 1 is denoted as θ, and when θ is too small, the effect of increasing the sealing area of the sealing member 3 is poor; when θ is too large, it is not favorable for the flow of cool air. Therefore, the range of θ is set to 20 ° to 70 °, specifically, 20 °, 30 °, 45 °, 60 °, and 70 °.

In an alternative of this embodiment, a raised clamping edge 211 is further disposed on a peripheral wall of the wind pressure duct 2 that encloses the wind outlet 21; the sealing member 3 is fixedly disposed in a manner of being sleeved on the outer circumference of the protruding locking edge 211 and being attached to the circumferential wall.

Specifically, as shown in fig. 2 and fig. 3, a protruding ledge 211 is disposed at a peripheral wall of the wind pressure wind tunnel 2 that encloses the air outlet 21, and the sealing member 3 can be sleeved on the periphery of the protruding ledge 211, so that when the sealing member 3 is installed, the sealing member 3 is positioned and installed on the protruding ledge 211, thereby preventing the sealing member 3 from moving on the peripheral wall of the wind pressure wind tunnel 2 that encloses the air outlet 21, and further improving the installation stability of the sealing member 3.

In an alternative of the present embodiment, the wind pressure duct 2 includes a fan wind pressure cover 23 and an evaporator cover plate 22; the evaporator cover plate 22 and the refrigerator liner 5 form a refrigerating compartment 4 together; the fan air pressure cover 23 is disposed on one side of the evaporator cover plate 22 facing the refrigeration compartment 4, and forms the air pressure duct 2 together with the evaporator cover plate 22.

Specifically, as shown in fig. 1, the evaporator cover plate 22 and the refrigerator liner 5 form a refrigeration chamber 4, and by the structural design, the parts of the wind pressure air duct 2 are fully utilized, the structure of the refrigerator forming the refrigeration chamber 4 is simplified, and the parts are saved; fan wind pressure cover 23 sets up in evaporator cover plate 22 towards one side of refrigeration compartment 4, and such structure, fan wind pressure cover 23 and evaporator cover plate 22 have enclosed this wind pressure wind channel 2 again when enclosing into installation air supply fan's installation space, make full use of this wind pressure wind channel 2 self spare part, have simplified this wind pressure wind channel 2's inner structure.

In the alternative of this embodiment, a turnover cover plate 221 is further disposed at one end of the evaporator cover plate 22 away from the refrigeration compartment 4 and close to the air supply duct 1; when the air supply duct 1 and the air pressure duct 2 are in sealed butt joint, the turnover cover plate 221 is in sealed butt joint with the outer wall of the air supply duct 1 and wraps the butt joint port 11 and the air outlet 21.

Specifically, as shown in fig. 1 and fig. 2, the foldable cover 221 can wrap the interface 11 and the air outlet 21, when the sealing performance of the sealing element 3 is degraded, a part of the cold air leaking from the sealed interface between the interface 11 and the air outlet 21 will leak toward the foldable cover 221, but the foldable cover 221 is sealed and abutted against the outer wall of the air supply duct 1, so as to reseal the cold air leaking from the sealed interface between the interface 11 and the air outlet 21, thereby achieving the effect of secondary sealing and leakage prevention.

In an alternative of this embodiment, the fan pressure hood 23 is further opened with an air suction opening 231, and the air suction opening 231 is disposed toward the evaporator 6 in the refrigeration compartment 4.

Specifically, as shown in fig. 1 and 2, it is preferable that the air suction opening 231 is disposed at the middle of the fan air pressure cover 23, so that the air supply fan can suck the cool air in the refrigerating compartment 4 into the air pressure duct 2 through the air suction opening 231.

In an alternative of this embodiment, a chuck 232 is provided at the peripheral wall of the fan pressure cover 23; a clamping groove 222 is arranged on the peripheral wall of the evaporator cover plate 22; the fan pressure cover 23 is mounted to the evaporator cover 22 by detachably engaging the engaging head 232 with the engaging groove 222.

Specifically, as shown in fig. 3, the fan pressure cover 23 and the evaporator cover plate 22 are detachably connected, so that the fan pressure cover and the evaporator cover plate can be conveniently processed and manufactured, and the structure is simple in a connection mode through the clamping head 232 and the clamping groove 222.

It should be noted that, in order to ensure the sealing connection between the fan pressure cover 23 and the evaporator cover plate 22, the sealing can be achieved by injecting a sealant or some other sealing method at the joint of the two.

In an alternative of the present embodiment, the peripheral wall portion of the evaporator cover 22 is further provided with a plug 223 for mounting the evaporator cover 22 to the refrigerator inner container 5.

Specifically, as shown in fig. 3, the refrigerator liner 5 is correspondingly provided with an insertion portion for inserting the plug 223, and the evaporator cover plate 22 is installed on the refrigerator liner 5 through the plug 223, so that the refrigerator liner has the beneficial effects of simple structure and convenience in installation.

Similarly, in order to ensure the sealing connection between the refrigerator liner 5 and the evaporator cover plate 22, the sealing can be achieved by injecting sealant or some other sealing method at the joint of the two.

In addition, this application embodiment still provides a refrigerator, and this refrigerator includes foretell refrigerator wind channel subassembly, can realize all its beneficial effects, and the no longer repeated here.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.

Although specific embodiments have been described above, these embodiments are not intended to limit the scope of the disclosure, even if only a single embodiment is described with respect to a particular feature. The characteristic examples provided in the present disclosure are intended to be illustrative, not limiting, unless differently expressed. In particular implementations, features from one or more dependent claims may be combined with features of the independent claims and features from respective independent claims may be combined in any appropriate manner and not merely in the specific combinations enumerated in the claims.

Claims

1. A refrigerator duct assembly, comprising:

the air supply device comprises an air supply duct (1), wherein the air supply duct (1) is provided with a butt joint port (11);

the wind pressure air channel (2), the wind pressure air channel (2) is equipped with an air outlet (21);

and the sealing element (3) is arranged on the peripheral wall of the air pressure air duct (2) which is enclosed into the air outlet (21) and is used for sealing and butting the air outlet (21) with the butting port (11).

2. The refrigerator air duct assembly according to claim 1, wherein the docking port (11) and the air outlet (21) are docked to a refrigerating compartment (4) of the refrigerator.

3. The air duct assembly of the refrigerator according to claim 1, wherein an included angle formed between the butt joint port (11), the air outlet (21) and the air supply direction (X) of the air supply duct (1) is an acute angle.

4. A refrigerator air duct assembly according to claim 3, wherein the included angle is in the range of 20 ° to 70 °.

5. The air duct assembly of the refrigerator according to claim 1, wherein a raised clamping edge (211) is further provided at a peripheral wall of the air pressure duct (2) surrounding the air outlet (21);

the sealing element (3) is fixedly arranged in a mode of being sleeved on the periphery of the raised clamping edge (211) and attached to the peripheral wall.

6. The air duct assembly for the refrigerator according to claim 2, wherein the air pressure duct (2) comprises a fan air pressure cover (23) and an evaporator cover plate (22);

the evaporator cover plate (22) and the refrigerator liner (5) jointly form the refrigerating chamber (4);

fan wind pressure cover (23) set up in evaporator cover plate (22) orientation one side of refrigeration room (4), and with evaporator cover plate (22) forms jointly wind pressure wind channel (2).

7. The air duct assembly of the refrigerator as claimed in claim 6, wherein a turnover cover plate (221) is further arranged at one end of the evaporator cover plate (22) facing away from the refrigerating compartment (4) and close to the air supply duct (1);

air supply wind channel (1) with during the sealed butt joint of wind pressure wind channel (2), turn over a sealed butt of apron (221) in the outer wall of air supply wind channel (1), and the parcel interface (11) reach air outlet (21).

8. The refrigerator air duct assembly according to claim 6, characterized in that the fan pressure hood (23) further opens an air suction opening (231), and the air suction opening (231) is disposed toward the evaporator (6) in the refrigerating compartment (4).

9. The refrigerator air duct assembly according to claim 6, wherein a chuck (232) is provided at a peripheral wall of the fan air pressure cover (23);

a clamping groove (222) is formed in the peripheral wall of the evaporator cover plate (22);

the fan wind pressure cover (23) is arranged on the evaporator cover plate (22) in a detachable clamping mode of the clamping head (232) and the clamping groove (222).

10. The refrigerator air duct assembly according to claim 6, wherein the peripheral wall portion of the evaporator cover plate (22) is further provided with a plug (223) for mounting the evaporator cover plate (22) to the refrigerator inner container (5).

11. A refrigerator comprising the refrigerator duct assembly of any one of claims 1 to 10.