CN110030787B

CN110030787B - Refrigerator with a door

Info

Publication number: CN110030787B
Application number: CN201810031862.9A
Authority: CN
Inventors: 解玲
Original assignee: Hefei Hualing Co Ltd; Midea Group Co Ltd; Hefei Midea Refrigerator Co Ltd
Current assignee: Hefei Hualing Co Ltd; Midea Group Co Ltd; Hefei Midea Refrigerator Co Ltd
Priority date: 2018-01-12
Filing date: 2018-01-12
Publication date: 2021-11-19
Anticipated expiration: 2038-01-12
Also published as: CN110030787A

Abstract

The invention relates to the field of refrigeration equipment, and discloses a refrigerator which comprises an air door assembly, a refrigerator liner and air duct foam, wherein the refrigerator liner is used for limiting a temperature-changing chamber of the refrigerator, the air duct foam is positioned at the back of the refrigerator liner, an installation groove used for installing the air door assembly is formed in the rear wall of the refrigerator liner, the air door assembly is provided with an air inlet and an air outlet, the air inlet is communicated with an air duct in the air duct foam, and the air outlet is communicated with the temperature-changing chamber. According to the refrigerator, the thickness of air duct foam can be effectively reduced, and the volume of the refrigerator is improved.

Description

Refrigerator with a door

Technical Field

The invention relates to the field of refrigeration equipment, in particular to a refrigerator.

Background

In order to meet the requirements of different storage temperatures of foods such as fruits, meats and the like, the refrigerator generally needs to subdivide functional areas of a refrigerating chamber and a freezing chamber, for example, a dry-wet area, an ice temperature area, a temperature changing area and the like are expanded in a refrigerating chamber of the refrigerator. In order to meet the requirements of the functional areas, an air door device needs to be added in the air duct of the refrigerator so as to control each functional area and meet the storage requirements of various foods.

However, in existing refrigerators, the damper-mounted foam is typically embedded within the pre-loaded duct foam, resulting in a relatively thick (up to about 170mm) overall duct foam thickness, which results in a significant loss of refrigerator capacity.

Disclosure of Invention

The invention aims to solve the problems and provides a refrigerator which can effectively reduce the thickness of air duct foam and improve the volume of the refrigerator.

In order to achieve the purpose, the invention provides a refrigerator which comprises an air door assembly, a refrigerator container and air duct foam, wherein the refrigerator container is used for limiting a temperature-changing chamber of the refrigerator, the air duct foam is positioned at the back of the refrigerator container, an installation groove used for installing the air door assembly is formed in the rear wall of the refrigerator container, the air door assembly is provided with an air inlet and an air outlet, the air inlet is communicated with an air duct in the air duct foam, and the air outlet is communicated with the temperature-changing chamber.

Preferably, the air door assembly comprises a first shell, a second shell and an air door, a cavity for installing the air door is defined between the first shell and the second shell, and the air inlet and the air outlet are communicated with the cavity.

Preferably, the damper assembly includes a first limit structure for covering the first housing and the second housing, and the first limit structure is configured to prevent the first housing and the second housing from being separated in a direction perpendicular to the covering direction.

Preferably, the first limit structure includes:

a limit groove formed on one of the covering end surface of the first housing and the covering end surface of the second housing; and

and the limiting boss is formed on the other one of the covering end surface of the first shell and the covering end surface of the second shell and matched with the limiting groove.

Preferably, the damper assembly includes a stopper for preventing the first housing and the second housing from being separated in the closing direction.

Preferably, the limiting member is an adhesive tape wound on the first housing and the second housing along the covering direction.

Preferably, the air door assembly comprises a cover arranged on the air duct panel on one side of the second shell, which is far away from the first shell, and an opening communicated with the air outlet is formed in the air duct panel.

Preferably, the damper assembly includes a second limiting structure capable of limiting the first and second housings to an inner side of the duct panel.

Preferably, the second limiting structure includes a hook portion extending from the inner side surface of the air duct panel to the direction of the first housing, and a recessed portion formed on the outer surface of the first housing and engaged with the hook portion.

Preferably, the air duct panel is detachably connected with the rear wall through a fastening structure, so that the air door assembly is fixed in the mounting groove.

Preferably, the snap structure includes:

a first buckle disposed on one of an inner side of the duct panel and an inner side of the rear wall; and

and the second buckle is arranged on the other one of the inner side surface of the air duct panel and the inner side surface of the rear wall and is in buckle fit with the first buckle.

Preferably, the duct panel is fixed to the rear wall by screws.

Through the technical scheme, the mounting groove is formed in the rear wall of the temperature-variable chamber liner, and the air door assembly is mounted in the mounting groove.

Additional features and advantages of the invention will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of an embodiment of a refrigerator according to the present invention;

FIG. 2 is a schematic structural view of one embodiment of a damper assembly of the present invention;

FIG. 3 is a front view of FIG. 2;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

fig. 5 is a top view of fig. 3.

Description of the reference numerals

10 air door subassembly 101 air intake

102 air outlet 11 first shell

110 spacing groove 111 recess

12 second shell 120 limiting boss

13 air door 14 wind channel panel

140 opening 141 hook part

142 first catch 143 screw

20 refrigerator 21 temperature changing chamber

22 rear wall of the tank container 220

221 mounting groove 23 air duct foam

230 air duct

Detailed Description

The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

In the present invention, the use of the terms of orientation such as "upper and lower" in the case where no description is made to the contrary generally means the orientation in the assembled and used state. "inner and outer" refer to the inner and outer contours of the respective component itself.

The invention provides a refrigerator, wherein the refrigerator 20 comprises a damper assembly 10, a refrigerator liner 22 for limiting a temperature-changing chamber 21 of the refrigerator 20 and air duct foam 23 positioned at the back of the refrigerator liner 22, a mounting groove 221 for mounting the damper assembly 10 is arranged on the rear wall 220 of the refrigerator liner 22, the damper assembly 10 is provided with an air inlet 101 and an air outlet 102, the air inlet 101 is communicated with an air duct 230 in the air duct foam 23, and the air outlet 102 is communicated with the temperature-changing chamber 21.

In existing refrigerators, the damper assembly is typically embedded within a pre-loaded duct foam, resulting in a relatively thick overall thickness of the duct foam (up to about 170mm), which results in a significant loss of volume of the refrigerator. According to the technical scheme, the air door assembly 10 is arranged in the installation groove 221 on the rear wall 220 of the temperature-variable chamber liner 22, so that the overall thickness of the air duct foam 23 can be greatly reduced, and the volume of the refrigerator 20 is effectively improved. Moreover, the air door component 10 and the box liner 22 are easy to install and low in production cost.

In the present invention, as for a specific structure of the damper assembly 10, according to an embodiment of the present invention, as shown in fig. 4, the damper assembly 10 may include a first housing 11, a second housing 12, and a damper 13, a cavity for mounting the damper 13 is defined between the first housing 11 and the second housing 12, and the air inlet 101 and the air outlet 102 are communicated with the cavity.

Through the above arrangement, when in use, after cold air in the air duct 230 of the refrigerator 20 enters the cavity from the air inlet 101, the air door 13 adjusts the air volume flowing to the air outlet 102 according to the temperature requirement of the temperature-changing chamber 21, and finally the cold air adjusted by the air door 13 flows to the temperature-changing chamber 21 through the air outlet 102. It should be noted that, the present invention does not limit the specific structure of the damper 13, as long as the air volume can be adjusted.

In addition, the refrigerator 20 of the present invention may further include a temperature sensor disposed in the temperature-varying chamber 21, and the refrigerator 20 may control the adjustment of the air volume by the air door 13 according to the detection data of the temperature sensor by monitoring the temperature in the temperature-varying chamber 21 in real time by the temperature sensor, so as to accurately ensure the required temperature of the temperature-varying chamber 21.

In the present invention, the damper assembly 10 may include a first limiting structure for covering the first housing 11 and the second housing 12, and the first limiting structure is configured to prevent the first housing 11 and the second housing 12 from being separated in a direction perpendicular to the covering direction.

Preferably, as shown in fig. 4, the first limiting structure includes a limiting groove 110 and a limiting boss 120, and the limiting groove 110 is formed on one of the covering end surface of the first housing 11 and the covering end surface of the second housing 12; the limiting boss 120 is formed on the other of the covering end surface of the first housing 11 and the covering end surface of the second housing 12, and is engaged with the limiting groove 110.

In the present invention, the damper assembly 10 may further include a stopper for preventing the first housing 11 and the second housing 12 from being separated in the closing direction.

Preferably, the limiting member is an adhesive tape wound around the first housing 11 and the second housing 12 along the covering direction.

Through the arrangement, the air door 13 can be stably kept in the accommodating cavity by the first shell 11 and the second shell 12, and the adjusting effect of the air door 13 on the air quantity can be guaranteed while the components of the air door assembly 10 are prevented from loosening and separating.

It should be understood that the first limiting structure and the limiting member in the present invention are not limited to the above structures, and other structures capable of achieving the above functions are also within the scope of the present invention.

In the present invention, the first case 11 and the second case 12 may be made of a foam material.

In addition, in the present invention, as shown in fig. 2 to 5, the air door assembly 10 may include an air duct panel 14 covering a side of the second housing 12 away from the first housing 11, and the air duct panel 14 is provided with an opening 140 communicating with the air outlet 102. Various air outlet structures, such as a grille, may be disposed at the opening 140.

Wherein, in order to avoid the first housing 11 and the second housing 12 from moving relative to the air duct panel 14, the damper assembly 10 includes a second limiting structure capable of limiting the first housing 11 and the second housing 12 at the inner side of the air duct panel 14.

Preferably, as shown in fig. 2 and 5, the second limiting structure includes a hook 141 extending from the inner side of the air duct panel 14 to the first housing 11, and a recess 111 formed on the outer surface of the first housing 11 and engaged with the hook 141.

It should be noted that the damper assembly 10 may include a plurality of hook portions 141 and recessed portions 111 that are engaged with each other, and the plurality of recessed portions 111 may be uniformly spaced along the circumferential direction of the first housing 11.

In the present invention, in order to firmly hold the damper assembly 10 in the mounting groove 221 and prevent the damper assembly 10 from falling out of the mounting groove 221, the air duct panel 14 may be detachably connected to the rear wall 220 through a fastening structure, so as to fix the damper assembly 10 in the mounting groove 221. But also facilitates maintenance and replacement of the damper assembly 10 by removably attaching the duct panel 14 to the rear wall 220.

Preferably, as shown in fig. 1 and 5, the fastening structure includes a first fastening 142 and a second fastening (not shown), and the first fastening 142 may be disposed on one of an inner side surface of the air duct panel 14 and an inner side surface of the rear wall 220; the second buckle is disposed on the other of the inner side surface of the air duct panel 14 and the inner side surface of the rear wall 220, and is engaged with the first buckle 141 and the buckle 142.

In the above, the first latch 142 and the second latch may have any suitable structure, for example, the first latch 142 is in the form of a hook, and the second latch is formed as a groove.

In addition, in order to further enhance the stability of the connection between the air duct panel 14 and the rear wall 220, the air duct panel 14 may be fixed to the rear wall 220 by screws 143. Of course, in another embodiment of the present invention, the air duct panel 14 may be directly fixed to the rear wall 220 by using screws 143 without providing the fastening structure. Of course, the screw 143 may be plural.

Finally, referring to fig. 1 and 4, a preferred embodiment of the refrigerator of the present invention is described, specifically, the inner side surface of the rear wall 220 of the cabinet bladder 22 is recessed outward (i.e., the side where the duct foam 23 is located) to form a mounting groove 221, and the damper assembly 10 is mounted in the mounting groove 221; the first casing 11 of the damper assembly 10 is disposed close to the air duct foam 23, the air duct panel 14 is disposed close to the temperature changing chamber 21, and the air duct panel 14 can cover the notch of the mounting groove 221 and is fixed to the rear wall 220 through the fastening structure and the screw 143; the first housing 11 and the second housing 12 of the air door assembly 10 together define the cavity, the air inlet 101 and the air outlet 102, the air inlet 101 is located at the bottom of the air door assembly 10, and an opening for communicating the air inlet 101 with the air duct 230 is formed in a corresponding position of the mounting groove 221. Therefore, the whole thickness of the air duct foam 23 can be greatly reduced (can be reduced to 90mm), the volume ratio of the refrigerator is increased,

the preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.

It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. The invention is not described in detail in order to avoid unnecessary repetition.

In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.

Claims

1. A refrigerator characterized in that the refrigerator (20) comprises a damper assembly (10), a cabinet liner (22) for defining a temperature-varying chamber (21) of the refrigerator (20), and air duct foam (23) located at the back of the cabinet liner (22), a mounting groove (221) for mounting the damper assembly (10) is formed on a rear wall (220) of the cabinet liner (22) in a backward recessed manner, the damper assembly (10) is provided with an air inlet (101) and an air outlet (102), the air inlet (101) is communicated with an air duct (230) in the air duct foam (23), and the air outlet (102) is communicated with the temperature-varying chamber (21),

the air door assembly (10) comprises a first shell (11), a second shell (12) and an air door (13), a containing cavity for installing the air door (13) is defined between the first shell (11) and the second shell (12), the air inlet (101) and the air outlet (102) are communicated with the containing cavity,

air door subassembly (10) are still including covering and locate deviating from of second casing (12) wind channel panel (14) of one side of first casing (11), be provided with on wind channel panel (14) with opening (140) of air outlet (102) intercommunication, wind channel panel (14) connect in the medial surface of back wall (220).

2. The refrigerator according to claim 1, wherein the damper assembly (10) comprises a first stopper structure for allowing the first housing (11) and the second housing (12) to be closed, the first stopper structure being provided to prevent the first housing (11) and the second housing (12) from being separated in a direction perpendicular to the closing direction.

3. The refrigerator of claim 2, wherein the first stopper structure comprises:

a stopper groove (110), the stopper groove (110) being formed in one of the closed end surface of the first housing (11) and the closed end surface of the second housing (12); and

and the limiting boss (120) is formed on the other one of the covering end surface of the first shell (11) and the covering end surface of the second shell (12) and matched with the limiting groove (110).

4. The refrigerator according to claim 2, wherein the damper assembly (10) includes a stopper for preventing the first housing (11) and the second housing (12) from being separated in the closing direction.

5. The refrigerator according to claim 4, wherein the stopper is an adhesive tape wound around the first casing (11) and the second casing (12) in the closing direction.

6. The refrigerator according to claim 1, characterized in that the damper assembly (10) comprises a second limiting structure capable of limiting the first housing (11) and the second housing (12) to the inside of the duct panel (14).

7. The refrigerator according to claim 6, wherein the second stopper structure includes a hooking portion (141) extending from an inner side surface of the air duct panel (14) toward the first housing (11) and a recess (111) formed on an outer surface of the first housing (11) to be engaged with the hooking portion (141).

8. The refrigerator of claim 1, wherein the duct panel (14) is removably connected to the rear wall (220) by a snap-fit arrangement to secure the damper assembly (10) within the mounting slot (221).

9. The refrigerator according to claim 8, wherein the catch structure comprises:

a first buckle (142), the first buckle (142) being disposed on one of an inner side surface of the air duct panel (14) and an inner side surface of the rear wall (220); and

and the second buckle is arranged on the other one of the inner side surface of the air duct panel (14) and the inner side surface of the rear wall (220) and is in buckle fit with the first buckle (142).

10. The refrigerator according to claim 1, wherein the duct panel (14) is fixed to the rear wall (220) by screws (143).