CN218821213U - Air pressure balancing device for refrigerator and refrigerator - Google Patents

Abstract

The application relates to the technical field of refrigerators and discloses an air pressure balancing device for a refrigerator, wherein the refrigerator comprises an inner container, a second air inlet is formed in the inner container, and the air pressure balancing device for the refrigerator comprises a body and a blocking piece. The inner container is hollow, a first air inlet is formed in one end of the inner container, an air outlet is formed in the other end of the inner container, the first air inlet is suitable for being communicated with the outside, and the air outlet is suitable for being communicated with a second air inlet formed in the inner container. The baffle is arranged at the first air inlet and can move relative to the first air inlet so as to open or close the first air inlet under the action of the pressure difference between the inside and the outside of the inner container. When the refrigerator is opened, negative pressure is generated inside the refrigerator, the blocking piece rotates relative to the first air inlet under the action of the difference of internal pressure and external pressure, the inside of the body of the air pressure balancing device is communicated with the outside, external air enters the refrigerator, the air pressure inside the refrigerator is balanced with the air pressure in the external environment, and the refrigerator is opened easily. And the air pressure balancing device for the refrigerator has a simple structure and is not easy to damage. The application also discloses a refrigerator.

Description

Air pressure balancing device for refrigerator and refrigerator

Technical Field

The application relates to the technical field of refrigerators, for example, to an air pressure balancing device for a refrigerator and the refrigerator.

Background

At present, the freezing chamber of the refrigerator refrigerates, the temperature of air in the freezing chamber is reduced, and the pressure in the freezing chamber is reduced, so that the door of the freezing chamber is difficult to open due to the action of negative pressure at the moment of opening the door of the refrigerator.

In order to make the refrigerator door opening easier, the related art discloses an air pressure balancing device for a refrigerator, which comprises a refrigerator body, wherein an inner container is arranged in the refrigerator body, and the side wall of the inner container is provided with an air inlet; an air pressure balancing device is fixedly connected between the inner container and the inner wall of the refrigerator body; the air pressure balancing device comprises an air inlet pipe and a mounting pipe; the upper end of the air inlet pipe is connected with a fixed pipe, and the inner diameter of the fixed pipe is larger than that of the air inlet pipe; the outer wall of the installation pipe is fixedly connected with the inner wall of the fixed pipe; a frost resisting material is arranged in the installation pipe; the upper end of the installation pipe is sequentially connected with a connecting pipe and an upper end pipe, and the inner diameter of the connecting pipe is smaller than the inner diameters of the installation pipe and the upper end pipe; a floating ball is in clearance fit in the upper end pipe; the diameter of the floating ball is larger than the inner diameter of the connecting pipe, and the diameter of the floating ball is smaller than the length of the upper end pipe; the upper end of the upper end pipe is connected with an end cover; the side wall of the upper end pipe is communicated with a vent pipe; the inner diameter of the vent pipe is smaller than the diameter of the floating ball; the vent pipe is communicated with the air inlet hole and is arranged from the upper end pipe to the air inlet hole in an inclined and downward manner.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

in the related art, the floating ball floats in different pipelines, one layer of pipeline is sleeved with one layer of pipeline, the diameter of the pipelines and the diameter of the floating ball and the pipelines need to be controlled, so that the structure becomes complicated, and the connection of a plurality of pipelines is easy to damage, which can cause the air leakage of the air pressure balancing device and is difficult to play a role.

SUMMERY OF THE UTILITY MODEL

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.

The embodiment of the disclosure provides an air pressure balancing device for a refrigerator and the refrigerator, which are used for solving the problem that a freezing chamber of the refrigerator is difficult to open.

The utility model discloses technical scheme of the first aspect provides an air pressure balancing unit for refrigerator, and the refrigerator includes the inner bag, and the inner bag is equipped with the second air inlet for air pressure balancing unit of refrigerator includes body and separation blade. The body is hollow, a first air inlet is formed in one end of the body, an air outlet is formed in the other end of the body, the first air inlet is suitable for being communicated with the outside, and the air outlet is suitable for being communicated with the second air inlet. The baffle is arranged at the first air inlet and can move relative to the first air inlet so as to open or close the first air inlet under the action of the pressure difference between the inside and the outside of the inner container.

In some embodiments, the upper end of the baffle is rotatably connected to the top wall of the first air inlet.

In some embodiments, the compressor compartment of the refrigerator is opened with a third air inlet, and the first air inlet is suitable for being communicated with the third air inlet.

In some embodiments, the body comprises a first body segment and a second body segment. The first body section is suitable for being communicated with the outside; one end of the second body section is sleeved at one end of the first body section and slides relative to the first body section, the other end of the second body section is connected with the inner container, and the air outlet is formed in the other end of the second body section.

In some embodiments, the first air inlet is at a higher level than the air outlet.

In some embodiments, the first inlet flow area is greater than the body flow area; the flow area of the air outlet is larger than that of the body.

In some embodiments, a first flange is arranged on the body and is communicated with the third air inlet, and the first flange is fixedly connected with the outer wall of the compressor bin.

In some embodiments, a second flanging is arranged at a position on the body, which is communicated with the second air inlet, and the second flanging is fixedly connected with the outer wall of the liner.

The second aspect of the present invention provides a refrigerator, comprising the air pressure balancing device according to the above embodiment.

In some embodiments, the second air inlet is opened below the inner container.

The air pressure balancing device for the refrigerator and the refrigerator provided by the embodiment of the disclosure can realize the following technical effects:

the air pressure balancing device is hollow inside the body, one end of the air pressure balancing device is provided with a first air inlet communicated with the outside, and the other end of the air pressure balancing device is provided with an air outlet connected with the inner container. The baffle is arranged at the first air inlet and can move relative to the first air inlet. At the refrigerator door opening instant, the inside negative pressure that produces of refrigerator, the separation blade can rotate for first air inlet under the effect of inside and outside pressure difference this moment, makes inside and external intercommunication of atmospheric pressure balancing unit's body, and inside external gas got into the refrigerator in the twinkling of an eye, reduced inside negative pressure, realized that the atmospheric pressure between refrigerator inside and external environment is balanced to it becomes easy to make the refrigerator open the door. The air pressure balancing device for the refrigerator provided by the embodiment of the disclosure is simple in structure and not easy to damage.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:

fig. 1 is a schematic view of a first perspective structure of an air pressure balancing apparatus for a refrigerator according to an embodiment of the present disclosure;

fig. 2 is a schematic cross-sectional structure view of an air pressure balancing apparatus for a refrigerator according to an embodiment of the present disclosure;

fig. 3 is a schematic view of a first perspective structure of a refrigerator according to an embodiment of the present disclosure;

fig. 4 is a schematic view of a second perspective structure of a refrigerator according to an embodiment of the present disclosure;

fig. 5 is a schematic view of a part of a refrigerator according to an embodiment of the present disclosure;

fig. 6 is a second perspective structural schematic view of an air pressure balancing apparatus for a refrigerator according to an embodiment of the present disclosure.

Reference numerals:

1: an inner container; 2: a second air inlet; 3: a body; 31: a first body section; 32: a second body section; 4: a first air inlet; 5: an air outlet; 6: a baffle plate; 7: a compressor bin; 8: a third air inlet; 9: a first flanging; 10: second flanging; 11: a limiting block; 12: a notch; 13: a first cover plate; 14: a second cover plate.

Detailed Description

So that the manner in which the features and advantages of the embodiments of the present disclosure can be understood in detail, a more particular description of the embodiments of the disclosure, briefly summarized above, may be had by reference to the appended drawings, which are included to illustrate, but are not intended to limit the embodiments of the disclosure.

In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.

The terms "first," "second," and the like in the description and claims of the embodiments of the disclosure and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.

In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the disclosed embodiments and their examples and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation. Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the embodiments of the present disclosure may be understood as specific cases by those of ordinary skill in the art.

In addition, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. Specific meanings of the above terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art according to specific situations.

The term "plurality" means two or more unless otherwise specified.

In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.

The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

Referring to fig. 1 to 4, an embodiment of the present disclosure provides an air pressure balancing apparatus for a refrigerator, the refrigerator includes an inner container 1, the inner container 1 is provided with a second air inlet 2, and the air pressure balancing apparatus for the refrigerator includes a body 3 and a baffle 6. The body 3 is hollow, a first air inlet 4 is formed in one end of the body, an air outlet 5 is formed in the other end of the body, the first air inlet 4 is suitable for being communicated with the outside, and the air outlet 5 is suitable for being communicated with the second air inlet 2. The baffle 6 is disposed at the first air inlet 4 and can move relative to the first air inlet 4 to open or close the first air inlet 4 under the action of the pressure difference between the inside and the outside of the inner container 1.

By adopting the air pressure balancing device for the refrigerator provided by the embodiment of the disclosure, the body 3 of the air pressure balancing device is hollow, one end of the air pressure balancing device is provided with the first air inlet 4 communicated with the outside, and the other end of the air pressure balancing device is provided with the air outlet 5 connected with the inner container 1. The baffle 6 is disposed at the first intake port 4 and is movable relative to the first intake port 4.

At the moment that the refrigerator opens the door, the inside negative pressure that produces of refrigerator, separation blade 6 can rotate for first air inlet 4 under the effect of inside and outside pressure difference this moment, makes 3 insides of atmospheric pressure balancing unit be linked together with the external world, and the inside that external gas entered into the refrigerator in the twinkling of an eye reduces the inside negative pressure of refrigerator, realizes the atmospheric pressure balance between the inside of refrigerator and external environment to it becomes easy to make the refrigerator open the door.

The air pressure balancing device for the refrigerator provided by the embodiment of the disclosure is simple in structure and not easy to damage.

Alternatively, as shown in fig. 2, the upper end of the baffle 6 is rotatably connected to the top wall of the first air inlet 4.

The baffle 6 is arranged at the position of the first air inlet 4, and the upper end of the baffle 6 is connected with the top wall of the first air inlet 4, so that the baffle 6 can rotate around the first air inlet 4 by taking the upper end of the baffle 6 as a shaft.

Under the normal closing state of the refrigerator door, the baffle 6 naturally droops due to the action of gravity, and most of outside air is blocked from entering the refrigerator.

At the moment of opening the refrigerator, negative pressure is generated in the refrigerator, and at the moment, the baffle 6 can rotate around the shaft relative to the first air inlet 4 under the action of the difference between the internal pressure and the external pressure, so that the inside of the body 3 of the air pressure balancing device is communicated with the outside.

The outside air enters the refrigerator instantly, so that the negative pressure inside the refrigerator is reduced, and the air pressure balance between the inside of the refrigerator and the outside environment is realized.

Alternatively, as shown in fig. 5, the compressor compartment 7 of the refrigerator is opened with a third air inlet 8, and the first air inlet 4 is adapted to communicate with the third air inlet 8.

The third air inlet 8 can be arranged on the rear wall of the refrigerator or the compressor bin 7, the third air inlet 8 is arranged on the compressor bin 7 and is arranged inside the refrigerator, the third air inlet 8 cannot be seen from the outside, and the appearance is more attractive visually.

Therefore, the air pressure balancing device can be communicated with the outside through the compressor bin 7, and outside air can enter the refrigerator through the third air inlet 8 formed in the compressor bin 7.

Alternatively, as shown in conjunction with fig. 1 and 3, the body 3 includes a first body section 31 and a second body section 32. The first body section 31 is adapted to communicate with the outside world; one end of the second body section 32 is sleeved on one end of the first body section 31 and slides relative to the first body section 31, and the other end of the second body section 32 is connected to the inner container 1, wherein the air outlet 5 is disposed at the other end of the second body section 32.

The body 3 is divided into a first body section 31 and a second body section 32, the first body section 31 is suitable for being communicated with the outside, can be connected with the compressor bin 7 and can also be connected with the rear wall of the refrigerator, and the second body section 32 is connected with the liner 1.

The first inlet port 4 is provided at the end of the first body section 31 connected to the compressor compartment 7 and the outlet port 5 is provided at the end of the second body section 32 connected to the inner tank 1.

The second body section 32 is disposed at an end of the first body section 31 other than the first inlet 4, and is not the outlet 5.

A convex stopper 11 is arranged at the joint of the first body section 31 and the second body section 32, and correspondingly, a notch 12 for allowing the stopper 11 to slide is arranged at the joint of the second body section 32 and the first body section 31.

The stopper 11 and the matching notch 12 may be provided in plural numbers, respectively, on the side walls of the first body section 31 and the second body section 32.

The second body section 32 is slidable with respect to the first body section 31 so that the body 3 can be extended and retracted, so that the air pressure balancing device has an enhanced versatility and can be placed in refrigerators of different models.

Alternatively, as shown in connection with fig. 1, the first air inlet 4 is at a higher level than the air outlet 5.

The outside air enters from the first air inlet 4, and enters into the inner container 1 of the refrigerator after exiting from the air outlet 5.

The first air inlet 4 is higher in level than the air outlet 5, and is disposed such that the body 3 of the air pressure-balancing device is inclined. The gas coming from the first gas inlet 4 flows to the gas outlet 5 under the action of gravity, and the flowing efficiency of the gas flow is higher.

Optionally, as shown in fig. 2, the flow area of the first air inlet 4 is larger than that of the body 3; the flow area of the air outlet 5 is larger than that of the body 3.

The flow area of the first air inlet 4 is larger than that of the body 3, so that the speed of the external air just entering the body 3 is reduced, and the external air flows stably.

The flow area of the air outlet 5 is larger than that of the body 3, so that the speed of the air in the body 3 at a section flowing out of the body 3 is reduced, and the air flows stably.

In this way, the flow area of the first air inlet 4 is set larger than the flow area of the body 3, and the flow area of the air outlet 5 is set larger than the flow area of the body 3, so that the air flow in the air pressure balancing device is more balanced.

Optionally, as shown in fig. 1, a first flange 9 is disposed at a position on the body 3, where the third air inlet 8 is communicated with, and the first flange 9 is fixedly connected to an outer wall of the compressor housing 7.

A third air inlet 8 is formed in the compressor bin 7 of the refrigerator, and the first air inlet 4 is communicated with the third air inlet 8.

Set up first turn-ups 9 in atmospheric pressure balancing unit's first air inlet 4 department, first turn-ups 9 both sets up the upper end in first air inlet 4 department, sets up the lower extreme in first air inlet 4 department again, sets up like this for first turn-ups 9 tightly laminates the third air inlet 8 position at compressor bin 7.

Therefore, the air pressure balancing device can be connected with the compressor bin 7 more tightly, and the air leakage phenomenon is not easy to occur.

Optionally, as shown in fig. 1, a second flange 10 is disposed on the body 3 at a position communicated with the second air inlet 2, and the second flange 10 is fixedly connected to the outer wall of the liner 1.

A second air inlet 2 is formed in the inner container 1 of the refrigerator, and the air outlet 5 is communicated with the second air inlet 2 in the inner container 1.

The second flanging 10 is arranged at the position of the air outlet 5 of the air pressure balancing device, the second flanging 10 is arranged at the upper end of the air outlet 5 and the lower end of the air outlet 5, so that the second flanging 10 is tightly attached to the position of the second air inlet 2 of the refrigerator liner 1.

Therefore, the air pressure balancing device can be connected with the inner container 1 of the refrigerator more tightly, and the air leakage phenomenon is not easy to occur.

Optionally, as shown in fig. 1, a first cover 13 is disposed at the upper end of the first body 3, and the first cover 13 is clamped with the first body 3.

When the air pressure balancing device is manufactured, the upper end opening of the first body 3 is used for placing the baffle 6 in the body 3.

Set up first apron 13 in first body 3 upper end, can seal the opening of upper end to foaming layer in the isolated refrigerator avoids the foaming layer to get into pressure balance device, influences pressure balance device's use.

The first cover plate 13 is clamped with the first body 3, so that the first cover plate 13 can be conveniently detached in subsequent use.

Optionally, as shown in fig. 6, a second cover plate 14 with a through hole is disposed at the second air inlet 2, and the second cover plate 14 is located inside the liner 1 and connected to the second body 3.

An opening is formed in the inner container 1 of the refrigerator, and the opening is a second air inlet 2.

When a user uses the refrigerator, the opening on the inner container 1 can be easily seen by opening the refrigerator door, and the refrigerator is not beautiful.

The second cover plate 14 with a through hole is arranged at the position of the second air inlet 2, so that a user can see a small through hole instead of an unshielded opening after opening the refrigerator, and the appearance is more attractive visually.

The embodiment of the present disclosure provides a refrigerator, which has the air pressure balancing device of any one of the foregoing embodiments, so that all the advantages of the air pressure balancing device of any one of the foregoing embodiments are achieved, and details are not repeated herein.

Optionally, as shown in fig. 4, the second air inlet 2 is opened below the liner 1.

The inner container 1 of the refrigerator is used for storing frozen food, the temperature of the inner container 1 is low, but the temperature below the inner container 1 is higher than the temperature above the inner container 1.

At the moment of opening the door of the refrigerator, negative pressure is generated inside the refrigerator, at the moment, the baffle 6 can rotate relative to the first air inlet 4 under the action of the difference between the internal pressure and the external pressure, so that the inside of the body 3 of the air pressure balancing device is communicated with the outside, and the outside air enters the inside of the refrigerator.

The outside air temperature is higher than the inside gas of the refrigerator, the inside and outside exchange gas can generate water vapor easily to freeze, the second air inlet 2 is arranged below the inner container 1, the temperature difference between the temperature below the inner container 1 and the outside gas is minimum, the generated water vapor is less, and the freezing amount is correspondingly less.

Thus, the subsequent use is less affected.

The above description and the drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes.

The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary.

Portions and features of some embodiments may be included in or substituted for those of others. Furthermore, the words used in the specification are words of description only and are not intended to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Similarly, the term "and/or" as used in this application is meant to encompass any and all possible combinations of one or more of the associated listed.

Furthermore, the terms "comprises" and/or "comprising," when used in this application, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Without further limitation, an element defined by the phrase "comprising a" \8230; "does not exclude the presence of additional like elements in a process, method or apparatus comprising the element.

In this document, each embodiment may be described with emphasis on differences from other embodiments, and the same and similar parts between the respective embodiments may be referred to each other. For methods, products, etc. of the embodiment disclosures, reference may be made to the description of the method section for relevance if it corresponds to the method section of the embodiment disclosure.

The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

1. An air pressure balancing device for a refrigerator, the refrigerator comprising an inner container (1), the inner container (1) being provided with a second air inlet (2), characterized by comprising:

the air purifier comprises a body (3), wherein the body (3) is hollow, one end of the body is provided with a first air inlet (4), the other end of the body is provided with an air outlet (5), the first air inlet (4) is suitable for being communicated with the outside, and the air outlet (5) is suitable for being communicated with the second air inlet (2);

the baffle plate (6) is arranged at the first air inlet (4) and can move relative to the first air inlet (4) so as to open or close the first air inlet (4) under the action of the pressure difference between the inside and the outside of the inner container (1).

2. The air pressure equalizing device of claim 1,

the upper end of the baffle plate (6) is rotatably connected with the top wall of the first air inlet (4).

3. The air pressure equalizing device of claim 1,

a third air inlet (8) is formed in a compressor bin (7) of the refrigerator, and the first air inlet (4) is suitable for being communicated with the third air inlet (8).

4. A gas pressure equalizing device according to claim 1, characterized in that the body (3) comprises:

a first body segment (31) adapted to communicate with the outside world;

a second body segment (32), one end of the second body segment (32) is sleeved on one end of the first body segment (31) and slides relative to the first body segment (31), the other end of the second body segment (32) is connected with the liner (1), wherein the air outlet (5) is arranged at the other end of the second body segment (32).

5. The air pressure equalizing device according to any one of claims 1 to 4,

the first air inlet (4) is higher than the air outlet (5) in level.

6. The air pressure equalizing device according to any one of claims 1 to 4,

the flow area of the first air inlet (4) is larger than that of the body (3);

the flow area of the air outlet (5) is larger than that of the body (3).

7. The air pressure equalizing device of claim 3,

the position that is linked together on body (3) with third air inlet (8) is equipped with first turn-ups (9), first turn-ups (9) with compressor storehouse (7) outer wall fixed connection.

8. The air pressure equalizing device according to any one of claims 1 to 4,

and a second flanging (10) is arranged at a position on the body (3) communicated with the second air inlet (2), and the second flanging (10) is fixedly connected with the outer wall of the inner container (1).

9. A refrigerator comprising the air pressure balancing apparatus of any one of claims 1 to 8.

10. The refrigerator according to claim 9,

the second air inlet (2) is arranged below the inner container (1).

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