CN218495499U - Refrigerator - Google Patents

Abstract

The application discloses freezer includes: the refrigerator comprises a cabinet body, a cabinet door and a frost reduction device, wherein the cabinet body is provided with an inner cavity; the cabinet door is movably connected to the cabinet body to open and close the inner cavity; the frost reduction device includes: the refrigerator comprises a first vent hole, a second vent hole, a frost reducing channel formed between the first vent hole and the second vent hole, and a drying agent, a valve and a valve block which are arranged in the frost reducing channel, wherein the first vent hole is communicated with the outside of the frost reducing channel and the refrigerator in a fluid mode; this application is through subtracting the inside and outside pressure of frost device balanced freezer with play and subtract the frost effect, the check valve structure that the valve block and the valve of device that subtracts the frost formed simultaneously avoids the freezer in the air conditioning reveal.

Description

Refrigerator

Technical Field

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

Background

At present, a plurality of families and shops store food by adopting a refrigerator, and cool air is released to a cavity for storing the food by the refrigerator, so that the temperature in the cavity is always kept below zero to keep the food fresh; however, when the refrigerator is used for refrigeration, the temperature in the refrigerator is low, the pressure in the refrigerator is lower than that outside the refrigerator, the door is difficult to open, and meanwhile due to the existence of the difference between the internal pressure and the external pressure, moist air outside the refrigerator can enter the refrigerator, and the refrigerator is frosted.

Disclosure of Invention

The utility model aims at solving the problem that the difference in pressure causes the difficulty of opening the door, the freezer frosts easily among the prior art.

In order to achieve the purpose, the technical scheme is as follows: a refrigerator, comprising:

a cabinet body having an inner cavity for storing objects;

the cabinet door is movably connected to the cabinet body so as to open and close the inner cavity; and

the defrosting device comprises a first vent hole, a second vent hole, a defrosting channel formed between the first vent hole and the second vent hole, and a drying agent, a valve and a valve block arranged in the defrosting channel, wherein the first vent hole is communicated with the defrosting channel and the outside of the refrigerator in a fluid mode, the second vent hole is communicated with the defrosting channel and the inner cavity in a fluid mode, the valve is provided with a third vent hole communicated with the first vent hole and the second vent hole in a fluid mode, the valve block is arranged between the valve and the second vent hole, and the valve block has a first state enabling the third vent hole and the second vent hole to be separated and a second state enabling the third vent hole and the second vent hole to be communicated in a fluid mode.

In the above technical solution, it is further preferable that the drying agent is activated carbon.

In the above technical solution, it is further preferable that the drying agent is disposed between the first vent hole and the valve, or between the second vent hole and the valve plate.

In the above technical solution, it is further preferable that the frost reducing apparatus further includes a base and a cover detachably connected to the base, the base has an opening for taking out the drying agent, and the cover is connected to the opening in a matching manner to form the frost reducing channel with the base.

In the above technical solution, it is further preferable that the frost reducing device is disposed on the cabinet, and the first vent hole and the second vent hole are both disposed on the base.

In the above technical solution, it is further preferable that the frost reducing device is disposed on the cabinet door, the first vent hole is disposed on the seat, and the second vent hole is disposed on the cover.

Compared with the prior art, the application has the following beneficial effects:

moisture in air entering the inner cavity from the defrosting channel is absorbed outside the drying agent adsorption cabinet in the defrosting device, so that moisture in the box is reduced, and a defrosting effect is achieved; the valve and the valve plate of the defrosting device form a one-way valve structure, so that when the pressure of an inner cavity is low, air outside the cabinet is supplemented through the defrosting device, the pressure inside and outside the cabinet body is balanced, and the difficulty in opening the door is avoided; simultaneously, when the air conditioning of inner chamber was carried to first air vent by the second air vent, can paste the valve block tightly on the valve, the outside of the cabinet body can't be revealed by the device that subtracts frost to air conditioning.

Drawings

Fig. 1 is a schematic structural view of a refrigerator according to a first embodiment of the present disclosure, in which a valve plate is in a first state;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a schematic structural view of a refrigerator according to a first embodiment of the present application, wherein a valve sheet of the refrigerator is in a second state;

FIG. 4 is a partial enlarged view of FIG. 3 at B;

FIG. 5 is a schematic perspective view of the mouth frame of FIG. 1;

FIG. 6 is a schematic perspective view of the mouth frame of FIG. 1 viewed from another perspective;

FIG. 7 is an exploded perspective view of the frost reducing apparatus of FIG. 6;

fig. 8 is a schematic structural view of a refrigerator according to a second embodiment of the present application;

FIG. 9 is a schematic perspective view of the frost reducing apparatus shown in FIG. 8;

FIG. 10 is a schematic perspective view of the frost reducing apparatus of FIG. 8 mounted on a door liner;

FIG. 11 is a bottom view of FIG. 10;

FIG. 12 is a sectional view taken along line C-C of FIG. 11;

fig. 13 is a partially enlarged view of fig. 12 at D.

Wherein: 100. a freezer; 1. a cabinet body; 101. opening the mouth; 11. an inner cavity; 12. a body; 13. a mouth frame; 2. a cabinet door; 3. a frost reduction device; 31. a first vent hole; 32. a second vent hole; 33. a frost reduction channel; 34. a desiccant; 35. a valve; 351. a third vent hole; 36. a valve plate; 37. a base body; 38. sealing the cover; 100', a refrigerator; 1', a cabinet body; 101', open mouth; 11', an inner cavity; 2', a cabinet door; 3', a frost reducing device; 31', a first vent hole; 32', a second vent; 33', a frost reduction channel; 34', a desiccant; 35', a valve; 351' and a third venting hole; 36', a valve plate; 37', a seat body; 38', a cover; 4. a door liner.

Detailed Description

To explain the technical content, the structural features, the achieved objects and the functions of the application in detail, the technical solutions in the embodiments of the application will be described below with reference to the drawings in the embodiments of the application, and it is obvious that the described embodiments are only a part of the embodiments of the application, and not all embodiments. In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough description of various exemplary embodiments or implementations of the invention. However, various exemplary embodiments may be practiced without these specific details or with one or more equivalent arrangements. Moreover, the various exemplary embodiments may be different, but are not necessarily exclusive. For example, the particular shapes, configurations and characteristics of the exemplary embodiments may be used or implemented in another exemplary embodiment without departing from the inventive concept.

In the following, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

"Upper" and "lower" are described herein in terms of upper and lower as shown in FIG. 1, and "top" is described herein as the upper side as shown in FIG. 1.

In the present application, unless expressly stated or limited otherwise, the term "coupled" is to be construed broadly, e.g., "coupled" may be a fixed connection, a removable connection, or an integral part; may be directly connected or indirectly connected through an intermediate.

The first embodiment of this application provides a freezer, as shown in fig. 1, this freezer 100 includes the cabinet body 1, cabinet door 2 and sets up the defrosting device 3 on the cabinet body 1, the cabinet body 1 is including the inner chamber 11 of storing the object, the top of the cabinet body 1 has the uncovered 101 of the outside and inner chamber 11 of the intercommunication cabinet body 1, the movably top that sets up the cabinet body 1 of cabinet door 2, when cabinet door 2 covers uncovered 101, cabinet door 2 closes inner chamber 11, when cabinet door 2 is located to move away by uncovered 101, cabinet door 2 opens inner chamber 11.

As shown in fig. 1 and 3, the cabinet body 1 includes a body 12 and an opening frame 13, the opening frame 13 is disposed on the top of the body 12, when the cabinet door 2 closes the inner cavity 11, the opening frame 13 is sealed between the cabinet door 2 and the body 12, in this embodiment, the frost reducing device 3 is disposed on the opening frame 13, and the body 12 has a gap for the arrangement of the frost reducing device 3, and the gap is connected with the frost reducing device 3 in a matching manner.

As shown in fig. 2, 4 and 7, the frost reducing device 3 includes a frost reducing channel 33, a desiccant 34, a valve 35, a valve plate 36, a plurality of first vent holes 31 and a plurality of second vent holes 32, the frost reducing channel 33 is formed between the plurality of first vent holes 31 and the plurality of second vent holes 32, the plurality of first vent holes 31 are in fluid communication with the exterior of the refrigerator 100 and the frost reducing channel 33, and the plurality of second vent holes 32 are in fluid communication with the frost reducing channel 33 and the inner cavity 11.

The drying agent 34, the valve 35 and the valve plate 36 are all arranged in the frost reducing channel 33, a circular third vent hole 351 is formed in the valve 35, and the third vent hole 351 is communicated with the first vent holes 31 and the second vent holes 32 in the frost reducing channel 33 in a fluid mode. The valve plate 36 is movably arranged between the valve 35 and the second vent holes 32, the valve plate 36 has a first state close to the valve 35 and a second state far away from the valve 35, when the valve plate 36 is located at the first state, the fluid communication between the third vent hole 351 and the plurality of second vent holes 32 is isolated by the valve plate 36, and when the valve plate 36 is located at the second state, the fluid communication between the third vent hole 351 and the plurality of second vent holes 32 is achieved. A desiccant 34 is disposed between the first plurality of vent holes 31 and the valve 35, the desiccant 34 is used for adsorbing moisture in the airflow entering the defrosting channel 33, and the desiccant 34 is activated carbon.

As shown in fig. 3 and 4, when the pressure outside the cabinet 1 is greater than the pressure inside the inner cavity 11, the air outside the cabinet 1 enters the frost reducing channel 33 through the plurality of first vent holes 31, the desiccant 34 adsorbs moisture in the air, the air with the moisture filtered out passes through the third vent holes 351 of the valve 35, and the valve plate 36 is pushed away from the valve 35, so that the valve plate 36 moves from the first state to the second state, meanwhile, the air is conveyed to the plurality of second vent holes 32 through the gap between the valve 35 and the valve plate 36, and enters the inner cavity 11 through the second vent holes 32 until the pressure outside the cabinet 1 is the same as the pressure inside the inner cavity 11, the pressure on the side of the valve plate 36 close to the valve 35 is balanced with the pressure on the side close to the second vent holes 32, and the valve plate 36 is in the first state to block the fluid communication between the first vent holes 31 and the second vent holes 32.

As shown in fig. 1 and 2, when the pressure inside the inner cavity 11 is greater than the pressure outside the cabinet 1, the pressure on the side of the valve plate 36 close to the second vent 32 is greater than the pressure on the side close to the valve 35, and the valve plate 36 is pressed against the valve 35, that is, in the first state, the air outside the cabinet 1 cannot enter the inner cavity 11. The valve 35 with the third vent hole 351 and the valve sheet 36 form a one-way valve structure, which allows air outside the cabinet 1 to enter the inner cavity 11 when the pressure in the inner cavity 11 is low, and prevents the air in the inner cavity 11 from escaping to the outside of the cabinet 1 through the frost reducing device 3.

As shown in fig. 5-7, the frost reducing device 3 further includes a seat 37 and a cover 38, the seat 37 is disposed on the opening frame 13, and in this embodiment, the seat 37 and the opening frame 13 are integrally formed. The base 37 has an opening for taking out the desiccant 34, the cover 38 is detachably connected to the opening, so that the frost reducing channel 33 is formed between the cover 38 and the base 37, a plurality of first ventilation holes 31 are formed at one end of the base 37 near the outside, and a plurality of second ventilation holes 32 are formed at one end of the base 37 near the inner cavity 11. The removable attachment of the cover 38 to the housing 37 facilitates removal and installation of the desiccant 34.

The principle of the embodiment is as follows: when this freezer 100 refrigerates, cabinet door 2 covers open 101, the temperature in the inner chamber 11 reduces, and the pressure in the inner chamber 11 is less than the outside pressure of freezer 100 gradually, the outside air of freezer 100 gets into the inner chamber 11 after getting rid of moisture through the defroster 3, until the pressure in the inner chamber 11 is unanimous with the outside pressure of the cabinet body 1, valve block 36 is removed the first state by the second state, the outside air of the cabinet body 1 can't get into the inner chamber 11, the air conditioning of inner chamber 11 can not be by the loss of defroster 3 loss outside the cabinet body 1.

In the embodiment, the moisture in the air outside the cabinet input from the defrosting channel is absorbed by the defrosting device 3 installed on the cabinet body 1, so that the defrosting effect is realized; meanwhile, the pressure inside and outside the cabinet is balanced by the air input outside the cabinet, so that the problem that the cabinet door is tightly sucked due to the low pressure of the inner cavity 11 is avoided.

A second embodiment of the present application provides a refrigerator, as shown in fig. 8, the refrigerator 100' includes a cabinet body 1', a cabinet door 2', and a frost reducing device 3' disposed on the cabinet door 2', the cabinet body 1' includes an inner cavity 11' for storing objects, a top of the cabinet body 1' has an opening 101' communicating an outside of the cabinet body 1' and the inner cavity 11', the cabinet door 2' is movably disposed on the top of the cabinet body 1', when the cabinet door 2' covers the opening 101', the cabinet door 2' closes the inner cavity 11', and when the cabinet door 2' is moved away from the opening 101', the cabinet door 2' opens the inner cavity 11'. The cabinet door 2 'is provided with the door liner 4, and when the cabinet door 2' closes the inner cavity 11', the door liner 4 is sealed between the cabinet door 2' and the cabinet body 1', so that cold air in the cabinet body 1' is prevented from being leaked.

As shown in fig. 8-11, the frost reducing device 3 'includes a base 37' accommodated in the cabinet door 2 'and a cover 38' detachably mounted on the base 37', the base 37' has a downward opening, the cover 38 'is disposed on a side of the cabinet door 2' close to the inner cavity 11 'and is fittingly connected to the base 37' at the opening, and when the cover 38 'is connected to the base 37', at least a portion of the door bladder 4 is sealed between the cover 38 'and the base 37'.

As shown in fig. 9, 12 and 13, the seat body 37' is provided with a first vent hole 31', the cover 38' is provided with a plurality of second vent holes 32', a frost reducing channel 33' is further formed between the seat body 37' and the cover 38', the first vent hole 31' is in fluid communication with the plurality of second vent holes 32', when the cabinet door 2' closes the inner cavity 11', the first vent hole 31' is in fluid communication with the frost reducing channel 33' outside the cabinet 1', and the plurality of second vent holes 32' are in fluid communication with the inner cavity 11' and the frost reducing channel 33 '.

As shown in fig. 9 and 13, the frost reducing device 3' further includes a drying agent 34', a valve 35' and a valve plate 36' disposed in the frost reducing channel 33', the valve 35' is provided with a third vent hole 351', the valve plate 36' is movably disposed between the valve 35' and the plurality of second vent holes 32', the valve plate 36' has a first state close to the valve 35' and a second state away from the valve 35', when the valve plate 36' is in the first state, the valve plate 36' covers the third vent hole 351' on the valve 35' to block fluid communication between the first vent hole 31' and the plurality of second vent holes 32', and when the valve plate 36' is in the second state, the valve plate 36' is away from the valve 35', the third vent hole 351' is opened, and the first vent hole 31' is in fluid communication with the plurality of second vent holes 32 '. The desiccant 34 'is activated carbon, the desiccant 34' is used for adsorbing moisture in air entering from the first vent hole 31', the desiccant 34' needs to be replaced after being used for a period of time, and the detachable cover 38 'facilitates replacement of the desiccant 34'.

As shown in fig. 1 and 13, when the pressure outside the refrigerator 100 'is greater than the pressure inside the inner cavity 11', the air outside the cabinet 1 'enters the frost reducing channel 33' through the first vent hole 31', the air input outside the cabinet pushes up the valve sheet 36' and away from the valve 35', the valve sheet 36' is switched from the first state to the second state, the air input outside the cabinet passes through the third vent hole 351 'and then absorbs moisture by the desiccant 34', the dried air enters the inner cavity 11 'through the second vent holes 32', the pressure inside the inner cavity 11 'gradually increases with the air input outside the cabinet until the pressures inside and outside the cabinet are the same, the valve sheet 36' is switched from the second state to the first state due to its own weight, and the fluid communication between the first vent holes 31 'and the second vent holes 32' is blocked. When the pressure of the inner cavity 11 'is larger than the pressure of the air outside the cabinet, the valve plate 36' is pressed on the valve 35 'by the air in the inner cavity 11', and the valve plate 36 'in the first state cuts off the first vent holes 31' and the second vent holes 32', so that the air in the inner cavity 11' is prevented from leaking outside the cabinet.

The principle of the embodiment is as follows: when the refrigerator 100 'is refrigerating, since the door 2' covers the opening 101', the pressure in the inner cavity 11' is gradually lower than the pressure outside the cabinet as the temperature in the inner cavity 11 'is reduced, the air outside the cabinet enters the inner cavity 11' after moisture is removed by the frost reducing device 3 'until the pressure in the inner cavity 11' is consistent with the pressure outside the cabinet, the valve plate 36 'is restored to the first state from the second state, the air inside the cabinet abuts against the valve plate 36' on one side of the valve plate 36', and the air outside the cabinet is blocked on the other side of the valve plate 36'.

This embodiment is through installing in the 3 'balance cabinet of the device that subtracts frost on cabinet door 2' and the outer pressure of cabinet, avoids the cabinet internal pressure to lead to excessively opening the door the difficulty, adsorbs the moisture in the air of the outer input of cabinet simultaneously, plays and subtracts the frost effect.

Moisture in air entering the inner cavity from the defrosting channel is absorbed outside the drying agent adsorption cabinet in the defrosting device, so that moisture in the box is reduced, and a defrosting effect is achieved; the valve and the valve plate of the defrosting device form a one-way valve structure, so that when the pressure of an inner cavity is low, air outside the cabinet is supplemented through the defrosting device, the pressure inside and outside the cabinet body is balanced, and the difficulty in opening the door is avoided; simultaneously, when the air conditioning of inner chamber was carried to first air vent by the second air vent, can paste the valve block tightly on the valve, the outside of the cabinet body can't be revealed by the device that subtracts frost to air conditioning.

The foregoing shows and describes the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are presented solely for purposes of illustrating the principles of the application, and that various changes and modifications may be made without departing from the spirit and scope of the application, which is defined by the appended claims, the specification, and equivalents thereof.

Claims (6)

1. A refrigerator, comprising:

a cabinet body having an inner cavity for storing objects;

the cabinet door is movably connected to the cabinet body so as to open and close the inner cavity; and

the defrosting device comprises a first vent hole, a second vent hole, a defrosting channel formed between the first vent hole and the second vent hole, and a drying agent, a valve and a valve block arranged in the defrosting channel, wherein the first vent hole is communicated with the defrosting channel and the outside of the refrigerator in a fluid mode, the second vent hole is communicated with the defrosting channel and the inner cavity in a fluid mode, the valve is provided with a third vent hole communicated with the first vent hole and the second vent hole in a fluid mode, the valve block is arranged between the valve and the second vent hole, and the valve block has a first state enabling the third vent hole and the second vent hole to be separated and a second state enabling the third vent hole and the second vent hole to be communicated in a fluid mode.

2. The refrigerator of claim 1 wherein said desiccant is activated carbon.

3. A refrigerator as claimed in claim 1, wherein the desiccant is disposed between the first vent and the valve, or between the second vent and the valve plate.

4. A refrigerator as claimed in claim 1, wherein said frost reducing means further comprises a base and a cover detachably connected to said base, said base having an opening for said desiccant to be taken out, said cover being fittingly connected to said opening to form said frost reducing passage with said base.

5. The refrigerator of claim 4 wherein said frost reducing means is disposed on said cabinet, said first ventilation hole and said second ventilation hole are disposed on said base.

6. A refrigerator as claimed in claim 4, wherein said frost reducing means is provided on said door, said first ventilation hole is provided on said base, and said second ventilation hole is provided on said cover.

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