CN110895079B

CN110895079B - Air duct structure of refrigerator with two chambers

Info

Publication number: CN110895079B
Application number: CN201911392941.3A
Authority: CN
Inventors: 张魁仓; 王瑶; 张卫卫
Original assignee: Changhong Meiling Co Ltd
Current assignee: Changhong Meiling Co Ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2023-02-28
Anticipated expiration: 2039-12-30
Also published as: CN110895079A

Abstract

The invention discloses an air duct structure of a refrigerator with two chambers, and relates to the technical field of refrigerators. The air channel structure comprises a first air channel and a second air channel which are connected with each other; the first air duct comprises a first air duct main body and a first air duct cover plate; the second air duct comprises a second air duct main body and a second air duct cover plate; the end part of the second air channel is provided with a boss A, the first air channel is provided with a groove A matched with the boss A, and the first air channel and the second air channel are spliced with the groove A through the boss A and are sealed and fixed through an adhesive tape A. The air duct structure of the refrigerator provided by the invention modularizes the return air duct and the air supply duct, and for the refrigerator with two chambers and the same width, different heights or depths, only the length and the size of the second air duct need to be changed and the second air duct is assembled with the first air duct; the product design and the die manufacturing period are reduced, the product die cost input is reduced, the refrigerator production process is simplified, the refrigerator stations are reduced, and the refrigerator production working hours are reduced.

Description

Air duct structure of refrigerator with two chambers

Technical Field

The invention belongs to the technical field of refrigerators, and particularly relates to an air duct structure of a refrigerator with two chambers.

Background

At present, refrigerators mainly comprise direct cooling and air cooling according to different refrigeration modes, and can be divided into single-system refrigerators and multi-system refrigerators according to the number of evaporators used. The existing single-system air-cooled refrigerator with two chambers generally comprises a refrigerating chamber and a freezing chamber, when the refrigerator works, a fan sends cold energy generated by an evaporator in the freezing chamber into the refrigerating chamber through an air supply duct, and warm air in the refrigerating chamber is sent back to the evaporator in the freezing chamber through an air return duct for quick refrigeration.

The air duct structure of the existing air-cooled refrigerator is generally formed by splicing a plurality of plastic parts, the investment of a mould is large, the assembly process is complicated in the production process of the refrigerator, the consumed time is long, and the efficiency is low. Part of the refrigerators adopt the scheme of an integral foam piece, the number of parts can be reduced, but the volume of the air channel is large, and the sizes of the used air channels are different for the refrigerators with different sizes, so that the investment and the design period of the cost of the mold are increased.

Disclosure of Invention

The invention aims to provide an air duct structure of a two-chamber refrigerator, which solves the problem of generalization of air return ducts and air supply ducts of the two-chamber refrigerator with the same width and different height or depth in the prior art.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to an air duct structure of a two-chamber refrigerator, which comprises a first air duct and a second air duct which are connected with each other; the first air duct comprises a first air duct main body and a first air duct cover plate; the second air duct comprises a second air duct main body and a second air duct cover plate; the end part of the second air channel is provided with a boss A, the first air channel is provided with a groove A matched with the boss A, the first air channel and the second air channel are spliced with the groove A through the boss A and are sealed and fixed through an adhesive tape A to form an air channel structure, and the air channel structure is fixed on the first chamber and the second chamber through an adhesive tape B.

Furthermore, a boss B and a groove B which are matched with each other are respectively arranged on the first air duct main body and the first air duct cover plate; and the second air duct main body and the second air duct cover plate are respectively provided with a boss C and a groove B which are matched with each other.

Furthermore, a first air duct air supply outlet A and a first air duct air supply outlet B are arranged on the first air duct; an air supply channel is also arranged on the first air duct main body between the first air duct air supply outlet A and the first air duct air supply outlet B; sealing sponges B are respectively adhered to the first air duct air supply outlet A and the first air duct air supply outlet B; the first air duct air supply outlet A is in butt joint fit with a first chamber air supply outlet of a first chamber, and the first air duct air supply outlet B is in butt joint fit with a second chamber air supply outlet of a second chamber.

Furthermore, a first air duct return air inlet is formed in the first air duct, a second air duct return air inlet is formed in the second air duct, and a return air flow channel A and a return air flow channel B are arranged between the first air duct return air inlet and the second air duct return air inlet.

Furthermore, the return air flow channel A is arranged on the first air channel main body, the return air flow channel B is arranged on the second air channel main body, the butt joint end of the return air flow channel A and the butt joint end of the return air flow channel B are both linear flow channels, and a sealing sponge C is pasted between the return air flow channel A and the air supply flow channel.

Furthermore, the first air duct air return inlet is in butt fit with a first compartment air return inlet of the first compartment, and the second air duct air return inlet is in butt fit with a second compartment air return inlet of the second compartment; and sealing sponge A is adhered to the peripheries of the first air duct air return opening and the second air duct air return opening.

Furthermore, reinforcing ribs are respectively arranged in the first air channel and the second air channel, and a clamping groove A and a clamping groove B which are fixedly connected with the first compartment and the second compartment in a clamping mode are arranged on the first air channel.

Furthermore, a clamping groove C for clamping and fixing the drain pipe is arranged on the second air channel

Furthermore, bosses are respectively arranged at the tops of the first air duct cover plate and the second air duct cover plate, and the bosses are tightly attached to the rear back plate of the refrigerator.

The invention has the following beneficial effects:

the air duct structure of the refrigerator designed by the invention modularizes the return air duct and the air supply duct, reduces the product design and mold manufacturing period, reduces the product mold cost investment, simplifies the refrigerator production process, reduces the refrigerator stations and reduces the refrigerator production working hours.

Of course, it is not necessary for any product to practice the invention to achieve all of the above-described advantages at the same time.

Drawings

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

FIG. 1 is a schematic view of the installation of the air duct structure of the present invention;

FIG. 2 is a schematic view of the main body of the air duct structure of the present invention;

FIG. 3 is a sectional view of the air duct structure of the present invention;

FIG. 4 is a first structural view of the air duct according to the present invention;

FIG. 5 is a second structural diagram of an air duct according to the present invention;

FIG. 6 is an exploded view of a first air duct according to the present invention;

fig. 7 is an exploded view of a second air duct according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship merely to facilitate description of the invention and to simplify the description, and are not intended to indicate or imply that the referenced components or elements must be in a particular orientation, constructed and operative in a particular orientation, and are not to be construed as limiting the invention.

Referring to fig. 1-7, the present invention is an air duct structure for a two-compartment refrigerator, the air duct structure 3 includes a first air duct 31 and a second air duct 33 connected to each other; the two chambers comprise a first chamber 1 and a second chamber 2; the first air duct 31 includes a first air duct main body 311, a first air duct cover 312; the second air duct 33 includes a second air duct main body 331, a second air duct cover 332; the tip of second wind channel 33 is equipped with boss A3316, is equipped with on first wind channel 31 with boss A3316 complex recess A3118, first wind channel 31, second wind channel 33 are through boss A3316 and recess A3118 concatenation and through the sealed fixed wind channel structure 3 that constitutes of sticky tape A32, wind channel structure 3 is fixed on the case courage of first compartment 1 and the case courage of second compartment 2 through sticky tape B5.

The first air duct main body 311 and the first air duct cover 312 are respectively provided with a boss B and a groove B3122 which are mutually matched, and the second air duct main body 331 and the second air duct cover 332 are respectively provided with a boss C3311 and a groove B which are mutually matched.

The first air duct 31 is provided with a first air duct air supply outlet a3113 and a first air duct air supply outlet B3117; an air supply channel 3112 is further arranged on the first air duct main body 311 between the first air duct air supply outlet a3113 and the first air duct air supply outlet B3117; a sealing sponge B is respectively stuck on the first air duct air supply outlet A3113 and the first air duct air supply outlet B3117; the first air duct outlet a3113 is in butt fit with the first compartment outlet 11 of the first compartment 1, and the first air duct outlet B3117 is in butt fit with the second compartment outlet of the second compartment 2.

A first air duct return air inlet 3114 is arranged on the first air duct 31, a second air duct return air inlet 3314 is arranged on the second air duct 33, and a return air flow passage A3111 and a return air flow passage B3313 are arranged between the first air duct return air inlet 3114 and the second air duct return air inlet 3314; the air return flow passage A3111 is arranged on the first air duct main body 311, the air return flow passage B3313 is arranged on the second air duct main body 331, and the butt joint and matching ends of the air return flow passage A3111 and the air return flow passage B3313 are all straight flow passages.

The first air duct air return inlet 3114 is in butt fit with the first compartment air return inlet 12 of the first compartment 1, and the second air duct air return inlet 3314 is in butt fit with the second compartment air return inlet of the second compartment 2; sealing sponge A is adhered around the first air duct air return port 3114 and the second air duct air return port 3314; the sealing sponge A enables the first air duct air return inlet 3114 and the first compartment air return inlet 12, and the second air duct air return inlet 3314 and the second compartment air return inlet to be tightly attached to prevent foaming and liquid leakage.

A sealing sponge C34 is pasted between the air return channel A3111 and the air supply channel 3112 in the first air duct 31; the air channeling between the return air flow passage a3111 and the air supply flow passage 3112 is prevented, thereby reducing the air passage efficiency; reinforcing ribs 3312 are further respectively arranged in the first air duct 31 and the second air duct 33, and a clamping groove a3115 and a clamping groove B3116 which are respectively clamped and fixed with the first compartment 1 and the second compartment 2 are arranged on the first air duct 31.

The second air duct 33 is provided with a clamping groove C3315 used for clamping and fixing the drain pipe 4, the second air duct 33 is tightly attached to the box container of the second compartment 2 through the clamping groove C3115, the positioning and limiting effects are achieved, and the air duct installation looseness in the production process of the refrigerator is prevented.

The tops of the first air duct cover plate 312 and the second air duct cover plate 332 are also respectively provided with a boss 3121, the boss 3121 is tightly attached to the refrigerator rear back plate 6, a refrigerator liner opening faces downwards when the air duct structure 3 is installed on the refrigerator, the refrigerator can be overturned by 180 degrees before foaming is completed by preassembling, the liner opening faces upwards, and the arranged boss 3121 can prevent the air duct structure 3 from falling off due to overturning.

The air duct structure 3 is supplied in a component form, and is an integral body when being delivered. In the production process of the refrigerator, the air duct structure 3 is directly clamped between the first compartment 1 and the second compartment 2 and then fixed through the adhesive tape B5, and the production link of the refrigerator can be completed by only one person.

In actual production, according to the change of the size of the refrigerator, the length of the straight flow passage at the butt joint end of the return air flow passage a3111 and the return air flow passage B3313 in the second air duct 33 is only required to be correspondingly changed.

According to the invention, the first air duct 31 is structurally fixed and modularized to serve as a basic air duct module, the second air duct 33 serves as an expanded air duct module, and for refrigerators with the same width and different heights, the applicable air duct module can be assembled only by increasing or decreasing the length of the second air duct straight air path flow passage.

According to the invention, the air duct structure 3 is modularized, for refrigerators with the same width and different heights, the design only needs to move the surface of the second air duct 33 matched with the first air duct 31 by a certain size, the mold only needs to be opened again on the mold, and the production only needs 1 person to operate and only needs 3 steps. The invention modularizes the air duct structure 3, which can shorten the design time and the die sinking time of different products, save a large amount of die cost, simplify the production process, reduce the number of people and improve the efficiency, and realize the generalization of the refrigerator air duct with the same width.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a two room refrigerator wind channel structures which characterized in that: the air channel structure (3) comprises a first air channel (31) and a second air channel (33) which are connected with each other;

the first air duct (31) comprises a first air duct main body (311) and a first air duct cover plate (312);

the second air duct (33) comprises a second air duct main body (331) and a second air duct cover plate (332);

a boss A (3316) is arranged at the end part of the second air duct (33), a groove A (3118) matched with the boss A (3316) is arranged on the first air duct (31), the first air duct (31) and the second air duct (33) are spliced with the groove A (3118) through the boss A (3316) and are sealed and fixed through an adhesive tape A (32) to form an air duct structure (3), and the air duct structure (3) is fixed on the first compartment (1) and the second compartment (2) through an adhesive tape B (5);

a first air duct air supply outlet A (3113) and a first air duct air supply outlet B (3117) are arranged on the first air duct (31); an air supply channel (3112) is further arranged on the first air duct main body (311) between the first air duct air supply outlet A (3113) and the first air duct air supply outlet B (3117);

sealing sponges B are respectively stuck around the first air duct air supply outlet A (3113) and the first air duct air supply outlet B (3117); the first air duct air supply outlet A (3113) is in butt joint fit with a first compartment air supply outlet (11) of the first compartment (1), and the first air duct air supply outlet B (3117) is in butt joint fit with a second compartment air supply outlet of the second compartment (2);

a first air duct air return inlet (3114) is arranged on the first air duct (31), a second air duct air return inlet (3314) is arranged on the second air duct (33), and an air return flow passage A (3111) and an air return flow passage B (3313) are arranged between the first air duct air return inlet (3114) and the second air duct air return inlet (3314);

the air return channel A (3111) is arranged on the first air channel main body (311), the air return channel B (3313) is arranged on the second air channel main body (331), and the butt joint and matching ends of the air return channel A (3111) and the air return channel B (3313) are linear channels;

the first air duct (31) is structurally fixed and modularized to serve as a basic air duct module;

the second air duct (33) is used as an extended air duct module;

for refrigerators with the same width and different heights, the applicable air duct module can be assembled by adaptively increasing or decreasing the length of the second air duct (33) linear air path flow passage.

2. The air duct structure of the two-compartment refrigerator according to claim 1, wherein the first air duct main body (311) and the first air duct cover plate (312) are respectively provided with a boss B and a groove B (3122) which are mutually matched;

and the second air duct main body (331) and the second air duct cover plate (332) are respectively provided with a boss C (3311) and a groove B which are matched with each other.

3. The air duct structure of two-compartment refrigerator according to claim 1, wherein a sealing sponge C (34) is adhered between the return air flow passage a (3111) and the supply air flow passage (3112).

4. The air duct structure of a two-compartment refrigerator according to claim 1, wherein the first air duct return opening (3114) is in butt-joint fit with the first compartment return opening (12) of the first compartment (1), and the second air duct return opening (3314) is in butt-joint fit with the second compartment return opening of the second compartment (2); and sealing sponge A is pasted on the peripheries of the first air duct air return inlet (3114) and the second air duct air return inlet (3314).

5. The air duct structure of the two-compartment refrigerator according to claim 1, wherein the first air duct (31) and the second air duct (33) are respectively provided with a reinforcing rib (3312), and the first air duct (31) is provided with a slot a (3115) and a slot B (3116) which are respectively fixedly connected with the first compartment (1) and the second compartment (2) in a clamping manner.

6. The air duct structure of the two-compartment refrigerator according to claim 1, wherein the second air duct (33) is provided with a clamping groove C (3315) for clamping and fixing the drain pipe (4).

7. The air duct structure of the two-compartment refrigerator according to claim 1, wherein bosses (3121) are further provided on the top of the first air duct cover plate (312) and the second air duct cover plate (332), respectively, and the bosses (3121) are tightly attached to the rear back plate (6) of the refrigerator.