CN216790644U

CN216790644U - Fresh-keeping drawer and refrigerator

Info

Publication number: CN216790644U
Application number: CN202122503070.7U
Authority: CN
Inventors: 魏毅; 郭瑞水; 明仁彬; 钟泽健; 王玥心怡
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-06-21
Anticipated expiration: 2031-10-18

Abstract

The utility model discloses a preservation drawer and a refrigerator. Wherein, this fresh-keeping drawer includes: the drawer comprises a drawer body, a vacuum refreshing drawer and an air-conditioned refreshing drawer, wherein the drawer body is provided with an inner layer and an outer layer, and a hollow interlayer is arranged between the two layers; further comprising: the first air pump is arranged on the side wall of the vacuum refreshing drawer and is used for pumping air in the vacuum refreshing drawer out of the drawer body; and the second air pump is arranged on the drawer body and used for pumping the air in the hollow interlayer out of the drawer body. The vacuum preservation drawer and the modified atmosphere preservation drawer are arranged in parallel, the vacuum preservation drawer can be independently opened from the outside, and the preservation function is more diversified. And designed and had inside and outside two-layerly and be the drawer body of cavity intermediate layer between two-layer, regard as the transition compartment with the cavity intermediate layer, play better isolated and guard action to drawer inner chamber compartment, help realizing the complete vacuum of vacuum refreshing drawer, played better edible material fresh-keeping function.

Description

Fresh-keeping drawer and refrigerator

Technical Field

The utility model relates to the technical field of refrigerators, in particular to a fresh-keeping drawer and a refrigerator.

Background

In the current refrigerator design, in order to realize the diversification of the functions of the refrigerator, the vacuum and fresh-keeping functions are added on the basis of the traditional refrigerator. The common preservation drawer is realized by vacuumizing the interior of the drawer by an air pump, and the air-conditioning drawer realizes the air-conditioning preservation function by exhausting air in the drawer by an air-conditioning film. However, at present, no refrigerator capable of realizing vacuum preservation and modified atmosphere preservation exists. In addition, the traditional preservation drawer is not completely vacuum, and the preservation effect on food materials in the drawer is poor.

Aiming at the problem that the refrigerator in the prior art can not effectively combine the vacuum fresh-keeping and air-conditioning fresh-keeping technologies, an effective solution is not provided at present.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a preservation drawer and a refrigerator, and aims to solve the problem that the refrigerator in the prior art cannot effectively combine vacuum preservation and air-conditioning preservation.

In order to solve the technical problem, the utility model provides a preservation drawer, wherein the preservation drawer comprises: the drawer comprises a drawer body, a vacuum refreshing drawer and an air-conditioned refreshing drawer, wherein the drawer body is provided with an inner layer and an outer layer, a hollow interlayer is arranged between the two layers, and the vacuum refreshing drawer and the air-conditioned refreshing drawer are arranged in the drawer body in parallel; further comprising: the first air pump is arranged on the side wall of the vacuum refreshing drawer and is used for pumping air in the vacuum refreshing drawer out of the drawer body; and the second air pump is arranged on the drawer body and used for pumping the air in the hollow interlayer out of the drawer body.

Further, the crisper drawer further comprises: the first pressure detection device is arranged in the vacuum refreshing drawer and is used for detecting the pressure in the vacuum refreshing drawer so as to control the work of the first air pump; and the second pressure detection device is arranged in the hollow interlayer of the drawer body and used for detecting the pressure of the hollow interlayer of the drawer body so as to control the operation of the second air pump.

Furthermore, a partition board is arranged in the middle of the drawer body and used for separating respective fresh-keeping spaces of the vacuum fresh-keeping drawer and the modified atmosphere fresh-keeping drawer.

Furthermore, a front baffle of the vacuum refreshing drawer is provided with a first magnet, and a contact part of the drawer body and the front baffle of the vacuum refreshing drawer is also provided with a second magnet; the front baffle of the modified atmosphere preservation drawer is provided with a third magnet, and the contact part of the drawer body and the front baffle of the modified atmosphere preservation drawer is also provided with a fourth magnet.

Furthermore, a groove is formed in a front baffle of the vacuum refreshing drawer to arrange a first magnet, and a groove is formed in a contact part of the drawer body and the front baffle of the vacuum refreshing drawer to arrange a second magnet; the front baffle of the modified atmosphere preservation drawer is provided with a groove for arranging a third magnet, and the contact part of the drawer body and the front baffle of the modified atmosphere preservation drawer is provided with a groove for arranging a fourth magnet.

Further, the crisper drawer further comprises: the adjustable modified atmosphere module is arranged at the top of the inner layer of the drawer body and is used for realizing modified atmosphere preservation of the modified atmosphere preservation drawer.

Further, the adjustable modified atmosphere module comprises: the modified atmosphere film cover is used for adjusting the effective modified atmosphere area of the modified atmosphere film, and the modified atmosphere film is used for adjusting the oxygen concentration and the carbon dioxide concentration of the fresh-keeping space of the modified atmosphere fresh-keeping drawer relative to the external space.

Furthermore, a sliding block guide rail mechanism is arranged on the edge of the inner side of the drawer body so as to limit the vacuum preservation drawer and the controlled atmosphere preservation drawer when the drawers are pulled and moved.

Furthermore, the hollow interlayer of the drawer body is provided with a reinforcing rib.

Furthermore, a sealing ring is arranged at the interface of the first air pump and the vacuum refreshing drawer to ensure air tightness; and a sealing ring is arranged at the interface of the second air pump and the drawer body so as to ensure the air tightness.

The utility model further provides a refrigerator, wherein the refrigerator comprises the preservation drawer.

By applying the technical scheme of the utility model, the vacuum refreshing drawer and the air-conditioned refreshing drawer are arranged in parallel, and the vacuum refreshing drawer can be independently opened from the outside, so that the refreshing function is more diversified. And designed and had inside and outside two-layer and be the drawer body of cavity intermediate layer between two-layer, regard the cavity intermediate layer as transition room, play better isolated and guard action to drawer inner chamber room, help realizing the complete vacuum of vacuum refreshing drawer, played better edible material fresh-keeping function.

Drawings

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

FIG. 2 is a front view of a crisper drawer according to an embodiment of the present invention;

fig. 3 is a side view of a crisper drawer according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. 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.

The terminology used in the embodiments of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in the examples of the present invention 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, and "a plurality" typically includes at least two.

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 associated objects are in an "or" relationship.

The words "if", as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrases "if determined" or "if detected (a stated condition or event)" may be interpreted as "when determined" or "in response to a determination" or "when detected (a stated condition or event)" or "in response to a detection (a stated condition or event)", depending on the context.

It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in the article or device in which the element is included.

Alternative embodiments of the present invention are described in detail below with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of a crisper drawer according to an embodiment of the present invention, as shown in fig. 1, the crisper drawer includes: the vacuum fresh-keeping drawer comprises a drawer body 1 with an inner layer and an outer layer, wherein a hollow interlayer is arranged between the inner layer and the outer layer, and a vacuum fresh-keeping drawer 2 and an air-conditioning fresh-keeping drawer 3 which are arranged in the drawer body in parallel. The vacuum preservation drawer 2 and the air-conditioning preservation drawer 3 can be independently pulled, and a user can select to put food materials into the vacuum preservation drawer 2 or the air-conditioning preservation drawer 3 when using the refrigerator. In order to ensure that the vacuum refreshing drawer 2 and the air-conditioning refreshing drawer 3 can keep fresh independently, a partition plate 6 is arranged in the middle of the drawer body 1 and used for separating respective refreshing spaces of the vacuum refreshing drawer 2 and the air-conditioning refreshing drawer 3.

In order to realize the vacuum preservation function of the vacuum preservation drawer 2, the preservation drawer further comprises: first air pump 4 sets up the lateral wall at vacuum refreshing drawer 2 for outside taking out drawer body 1 with the gas in the vacuum refreshing drawer 2, can take out the inside gas of vacuum refreshing drawer 2 and go and arrange the outside of drawer body 1, make the inside vacuum that becomes of vacuum refreshing drawer 2, play better fresh-keeping function. The specific installation position of the first air pump 4 can be arranged on any side wall of the vacuum preservation drawer 2, and the first air pump 4 is arranged on the tail of the drawer on the rear side wall of the vacuum preservation drawer 2, so that the space is saved in consideration of the overall size of the preservation drawer.

The fresh-keeping drawer of this embodiment has still designed and has had inside and outside two-layerly and be the interbedded drawer body of cavity between two-layer, regards the cavity intermediate layer as transition room, presents vacuum state or half vacuum state, plays better isolated and guard action to drawer inner chamber room, helps realizing the complete vacuum of vacuum fresh-keeping drawer, plays better edible material function that keeps fresh. In order to realize the vacuumizing operation of the hollow interlayer of the drawer body, the preservation drawer further comprises: and the second air pump 5 is arranged on the drawer body 1 and is used for pumping the air in the hollow interlayer out of the drawer body 1. The air in the hollow interlayer of the drawer body 1 can be pumped out, so that the hollow interlayer is in a vacuum or semi-vacuum state, the vacuum preservation drawer 2 and the air-conditioning preservation drawer 3 can be better protected, and the preservation effect is better. The specific installation position of the second air pump 5 can be arranged at the top, the bottom or the tail of the drawer body.

Preferably, the kneck of first air pump 4 and vacuum refreshing drawer 2 is provided with the sealing washer to guarantee the gas tightness, first air pump 4 passes through the tube coupling with vacuum refreshing drawer 2, and the pipeline runs through the cavity intermediate layer of drawer body 1, and above-mentioned kneck can include the pipeline kneck of vacuum refreshing drawer 2, also can include the kneck of first air pump 4 and tube coupling. And a sealing ring is arranged at the interface of the second air pump 5 and the drawer body 1 to ensure the air tightness.

Because the opening and closing of the first air pump 4 depends on the pressure intensity in the vacuum refreshing drawer 2, a first pressure detection device is arranged in the vacuum refreshing drawer 2 and used for detecting the pressure intensity in the vacuum refreshing drawer 2 so as to control the work of the first air pump 4. In particular, it can be arranged at any position within the vacuum refreshing drawer 2, for example on the side wall, as long as the pressure inside the vacuum refreshing drawer 2 can be accurately detected. Since the opening and closing of the second air pump 5 depends on the pressure of the hollow interlayer of the drawer body 1, a second pressure detecting device is disposed on the hollow interlayer of the drawer body 1 for detecting the pressure of the hollow interlayer of the drawer body 1 to control the operation of the second air pump 5. Specifically, the pressure sensor can be arranged at any position of the hollow interlayer as long as the pressure of the hollow interlayer of the drawer body 1 can be accurately detected.

In order to facilitate the drawing of the two drawers by the user, drawer handles 16 (e.g., rectangular handles) are provided on the outer sides of the front baffles of the two drawers. In order to improve the leakproofness of the vacuum refreshing drawer 2 and the air-conditioning refreshing drawer 3 in a closed state, a first magnet 7 is arranged on a front baffle of the vacuum refreshing drawer 2, a contact part of a drawer body and the front baffle of the vacuum refreshing drawer is also provided with a second magnet 8, and the drawer leakproofness of the vacuum refreshing drawer 2 can be realized through mutual attraction of the magnets when the vacuum refreshing drawer is closed. In the embodiment, the front baffle of the modified atmosphere preservation drawer is provided with a third magnet 9, the contact part of the drawer body and the front baffle of the modified atmosphere preservation drawer is also provided with a fourth magnet 10, and when the modified atmosphere preservation drawer 3 is closed, the drawer sealing performance is realized through mutual attraction of the magnets.

To the mounted position of magnet, can directly laminate in drawer front bezel department or on the drawer body, also can set up the recess and place magnet to guarantee that the structure surface is smooth. Specifically, a front baffle of the vacuum refreshing drawer 2 is provided with a groove for arranging a first magnet 7, and a contact part of the drawer body 1 and the front baffle of the vacuum refreshing drawer 2 is provided with a groove for arranging a second magnet 8; the front baffle of the air-conditioning preservation drawer 3 is provided with a groove for arranging the third magnet 9, and the contact part of the drawer body 1 and the front baffle of the air-conditioning preservation drawer 3 is provided with a groove for arranging the fourth magnet 10. Based on this, utilize magnetism to inhale the principle and guarantee that the drawer is closed completely, on the basis of improving the drawer leakproofness, can further guarantee two drawers respective fresh-keeping effect.

In view of realizing the preservation effect of the modified atmosphere preservation drawer 3, the preservation drawer further comprises: the adjustable controlled atmosphere module 11 is arranged on the top of the inner layer of the drawer body 1 and is used for realizing controlled atmosphere preservation of the controlled atmosphere preservation drawer 3. Fig. 2 is a front view of a crisper drawer according to an embodiment of the utility model, fig. 3 is a side view of the crisper drawer according to an embodiment of the utility model, and as shown in fig. 2 and fig. 3, the adjustable gas regulating membrane module comprises: the modified atmosphere film 12 and the modified atmosphere film cover 13, the modified atmosphere film cover 13 is used for adjusting the effective modified atmosphere area of the modified atmosphere film 12, and the modified atmosphere film 12 is used for adjusting the oxygen concentration and the carbon dioxide concentration of the fresh-keeping space of the modified atmosphere fresh-keeping drawer 3 relative to the external space. Based on the method, the effective air-conditioning area of the air-conditioning film can be adjusted according to the requirement, and the air-conditioning preservation effect of the air-conditioning preservation drawer is further adjusted and controlled.

The inner side edge of the drawer body 1 of the embodiment is provided with a sliding block guide rail mechanism 14 so as to limit the drawing and moving of the vacuum preservation drawer 2 and the air-conditioning preservation drawer 3. The slider rail mechanism 14 is integrated with the drawer body 1 into an integral structure. Specifically, the sliding block is a rectangular groove which is respectively arranged on two sides of the vacuum refreshing drawer 2 and the air-conditioning refreshing drawer 3, the guide rail is a rectangular boss which is arranged on the edge of the inner side of the drawer body 1, and the rectangular groove and the rectangular boss are matched for use, so that the limiting and fixing effects are achieved when the two drawers move in the drawer body.

In order to enhance the strength of the drawer, a reinforcing rib 15 is arranged in the hollow interlayer of the drawer body 1. The specific arrangement positions can be set at four bending positions of the hollow interlayer to be provided with triangular reinforcing ribs 15, and the reinforcing ribs 15 can also be arranged at other positions of the vacuum interlayer, which is not limited.

According to the fresh-keeping drawer, the drawer body is divided into an inner layer and an outer layer, and the middle is the hollow interlayer 17. The inner layer is a closed small-sized drawer frame, and a middle partition plate is added in the middle of the drawer frame, so that the drawer frame is divided into a left part and a right part, and a vacuum fresh-keeping drawer and a modified atmosphere fresh-keeping drawer are respectively installed. This embodiment improves in traditional drawer structure, has designed to have inside and outside two-layer and for the interbedded drawer body of cavity between two-layer, regard the cavity intermediate layer as transition room, play better isolated and guard action to drawer inner chamber room, help realizing the complete vacuum of vacuum refreshing drawer, play better edible material fresh-keeping function. The vacuum preservation drawer and the air-conditioned preservation drawer are arranged in parallel, and the vacuum preservation drawer can be independently opened from the outside, so that the preservation function is more diversified.

It should be noted that, the vacuum preservation drawer 2 and the air-conditioning preservation drawer 3 in this embodiment may be disposed up and down, besides being disposed left and right, and the volumes of the two may be set to be the same, or may be set to be different according to the daily requirements of the user.

The embodiment also provides a refrigerator, which comprises one or more fresh-keeping drawers introduced above.

Introducing the air pressure regulation logic of the preservation drawer, and monitoring the pressure in the vacuum preservation drawer when the vacuum preservation drawer is in a closed state; controlling the opening and closing of the first air pump according to the pressure intensity in the vacuum refreshing drawer; monitoring the pressure of the hollow interlayer of the drawer body when the vacuum refreshing drawer and the air-conditioned refreshing drawer are both in a closed state; controlling the opening and closing of the second air pump according to the pressure of the hollow interlayer of the drawer body; the first air pump is arranged on the side wall of the vacuum refreshing drawer and is used for pumping air in the vacuum refreshing drawer out of the drawer body; the second air pump is arranged on the drawer body and used for pumping the air in the hollow interlayer out of the drawer body.

Above-mentioned atmospheric pressure regulation and control logic is through the closed state that detects two drawers, the switching of control first air pump and second air pump to guarantee the fresh-keeping effect in vacuum of vacuum fresh-keeping drawer, and guarantee the interbedded vacuum state or the semi-vacuum state of cavity of drawer body, thereby play better isolated and guard action to the drawer inner chamber compartment, help realizing the complete vacuum of vacuum fresh-keeping drawer, play better edible material fresh-keeping function.

In specific implementation, the opening and closing of the first air pump are controlled according to the pressure in the vacuum refreshing drawer, and the method is realized through the following preferred embodiments: and if the pressure in the vacuum refreshing drawer is higher than the first preset pressure, controlling the first air pump to be started until the pressure in the vacuum refreshing drawer is equal to the first preset pressure, and closing the vacuum refreshing drawer. In specific implementation, the opening and closing of the second air pump are controlled according to the pressure of the hollow interlayer of the drawer body, and the following preferred embodiments are adopted: and if the pressure intensity of the hollow interlayer of the drawer body is higher than the second preset pressure intensity, controlling the second air pump to be opened until the pressure intensity of the hollow interlayer of the drawer body is equal to the second preset pressure intensity, and closing the hollow interlayer of the drawer body. Based on this, can guarantee the vacuum fresh-keeping effect after the drawer is closed.

It should be noted that, when the vacuum refreshing drawer and the air-conditioning refreshing drawer are in the open state, the first air pump and the second air pump are controlled to be in the closed state, so that the invalid vacuumizing operation is avoided, and the operation cost is saved.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A crisper drawer, comprising: the fresh-keeping drawer comprises a drawer body (1) which is provided with an inner layer and an outer layer, wherein a hollow interlayer is arranged between the two layers, and a vacuum fresh-keeping drawer (2) and an air-conditioning fresh-keeping drawer (3) which are arranged in the drawer body (1) in parallel; further comprising:

the first air pump (4) is arranged on the side wall of the vacuum refreshing drawer (2) and is used for pumping air in the vacuum refreshing drawer (2) out of the drawer body (1);

and the second air pump (5) is arranged on the drawer body (1) and is used for pumping the air in the hollow interlayer out of the drawer body (1).

2. The crisper drawer of claim 1, further comprising:

the first pressure detection device is arranged in the vacuum refreshing drawer (2) and is used for detecting the pressure in the vacuum refreshing drawer (2) so as to control the work of the first air pump (4);

and the second pressure detection device is arranged in the hollow interlayer of the drawer body (1) and used for detecting the pressure of the hollow interlayer of the drawer body (1) so as to control the work of the second air pump (5).

3. The crisper drawer of claim 1,

the middle of the drawer body (1) is provided with a partition plate (6) for separating respective fresh-keeping spaces of the vacuum fresh-keeping drawer (2) and the modified atmosphere fresh-keeping drawer (3).

4. The crisper drawer of claim 1,

a first magnet (7) is arranged on a front baffle of the vacuum refreshing drawer (2), and a second magnet (8) is also arranged on a contact part of the drawer body (1) and the front baffle of the vacuum refreshing drawer (2);

the front baffle of the modified atmosphere preservation drawer (3) is provided with a third magnet (9), and the contact part of the drawer body (1) and the front baffle of the modified atmosphere preservation drawer (3) is also provided with a fourth magnet (10).

5. The crisper drawer of claim 4,

a groove is formed in the front baffle of the vacuum refreshing drawer (2) to arrange a first magnet (7), and a groove is formed in the contact part of the drawer body (1) and the front baffle of the vacuum refreshing drawer (2) to arrange a second magnet (8);

the front baffle of the modified atmosphere preservation drawer (3) is provided with a groove for arranging a third magnet (9), and the contact part of the drawer body (1) and the front baffle of the modified atmosphere preservation drawer (3) is provided with a groove for arranging a fourth magnet (10).

6. The crisper drawer of claim 1, further comprising:

the adjustable air-conditioning membrane assembly (11) is arranged at the top of the inner layer of the drawer body (1) and is used for realizing air-conditioning preservation of the air-conditioning preservation drawer (3).

7. The crisper drawer according to claim 6, characterized in that the adjustable modified atmosphere module (11) comprises:

the modified atmosphere film (12) and the modified atmosphere film cover (13), the modified atmosphere film cover (13) is used for adjusting the effective modified atmosphere area of the modified atmosphere film (12), and the modified atmosphere film (12) is used for adjusting the oxygen concentration and the carbon dioxide concentration of the fresh-keeping space of the modified atmosphere fresh-keeping drawer (3) relative to the external space.

8. The crisper drawer of any of claims 1 to 7,

the inner side edge of the drawer body (1) is provided with a sliding block guide rail mechanism (14) so as to limit the vacuum preservation drawer (2) and the modified atmosphere preservation drawer (3) during drawing and moving.

9. The crisper drawer of any of claims 1 to 7,

the hollow interlayer of the drawer body (1) is provided with a reinforcing rib (15).

10. The crisper drawer of any of claims 1 to 7,

a sealing ring is arranged at the interface of the first air pump (4) and the vacuum preservation drawer (2) to ensure the air tightness;

and a sealing ring is arranged at the interface of the second air pump (5) and the drawer body (1) to ensure the air tightness.

11. A refrigerator characterized in that it comprises a crisper drawer according to any of claims 1 to 10.