CN216114886U

CN216114886U - Refrigerator with a door

Info

Publication number: CN216114886U
Application number: CN202120660051.2U
Authority: CN
Inventors: 马坚; 王晶; 朱小兵; 张�浩
Original assignee: Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2022-03-22
Anticipated expiration: 2031-03-31

Abstract

The utility model provides a refrigerator which comprises an inner container, a drawer assembly and a drawer body, wherein the inner container is opened forwards, the drawer assembly can be arranged in the inner container in a front-back push-pull mode, the drawer assembly further comprises the drawer body, the drawer body is arranged in the inner container and used for bearing food materials, an interlayer cavity is defined in the drawer body, an interlayer medium is filled in the interlayer cavity, and the interlayer medium is configured to buffer the freezing rate of the food materials. According to the utility model, the interlayer medium arranged in the drawer body is utilized to relatively heat the whole drawer body and the food materials placed in the drawer body, so that the food materials are uniformly cooled, the quality of the food materials is improved, the practicability is strong, and the popularization is easy.

Description

Refrigerator with a door

Technical Field

The utility model relates to the field of cold storage and freezing devices, in particular to a refrigerator.

Background

With the continuous improvement of the living standard of people, the demand of consumers on the refrigerator is not limited to storage, but has the functions of quick cooling, unfreezing and the like. In order to meet the requirements of users, refrigerators with a quick-freezing mode, such as a quick-freezing tray, appear in the market, and the quick-freezing can effectively improve the freezing quality of meat, so that the defects are overcome to a certain extent.

However, in the prior art, the speed of quick freezing is generally unstable in the refrigerator with the quick freezing mode, which may cause uneven heating of the meat food during the freezing process, thereby affecting the fresh-keeping effect of the food.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to overcome at least one of the drawbacks of the prior art and to provide a refrigerator.

An object of the present invention is to improve the quality of food materials.

Another further purpose of the utility model is to realize the forward and backward push-pull of the drawer component and ensure the reliability of the ultrasonic generator.

Particularly, the present invention provides a refrigerator comprising an inner container opened forward and a drawer assembly disposed inside the inner container in a back-and-forth push-and-pull manner, the drawer assembly further comprising:

the drawer body is arranged in the inner container and used for bearing food materials, an interlayer cavity is defined in the drawer body, an interlayer medium is filled in the interlayer cavity, and the interlayer medium is configured to buffer the freezing rate of the food materials.

Further, the drawer assembly further comprises:

the interlayer forming piece is buckled below the drawer body to form an interlayer cavity between the containers.

Further, the drawer assembly further comprises:

an ultrasonic generator disposed below the barrier forming member configured to controllably generate ultrasonic waves such that at least a portion of the ultrasonic waves are applied to the food material to induce freezing of the food material.

Further, the drawer assembly further comprises:

and the sealing cover is arranged below the ultrasonic generator to protect the ultrasonic generator.

Further, the bottom wall of the drawer body is provided with a plurality of concave parts which are concave downwards and used for placing food materials; the number of the ultrasonic generators corresponds to the number of the concave parts one by one.

Further, the ultrasonic generator is an ultrasonic vibrator or an ultrasonic wafer.

Further, the refrigerator further includes:

the two sliding rail assemblies are respectively arranged on two sides of the inner container in an extending manner along the front-back direction, and two side walls of the drawer assembly are respectively connected with the two sliding rail assemblies in a sliding manner so as to allow the drawer assembly to be arranged in the inner container in a front-back push-and-pull manner.

Furthermore, one of the slide rail assemblies is provided with a power supply terminal for supplying power to the ultrasonic generator.

Further, the ratio of the volume of the barrier media to the volume of the barrier cavity is between 1/5 and 4/5.

Further, the solidification temperature of the interlayer medium is set to be between-40 and 0 ℃; and is

The specific heat capacity of the interlayer medium is set to be 1 to 5KJ/(kg K).

In the refrigerator, the interlayer cavity is further defined in the drawer body, the interlayer medium is filled in the interlayer cavity, and the specific heat capacity of the interlayer medium is large, so that the temperature change of the interlayer medium is not large after the interlayer medium absorbs the cold energy in the liner, the interlayer medium can relatively heat the whole drawer body and the food materials placed in the drawer body, the temperature field change of the whole drawer body is stable, the food materials are guaranteed to be cooled uniformly, the temperature change rate is stable, and the quality of the food materials is improved.

Furthermore, in the refrigerator, the inner rail of the sliding rail assembly is fixed with the inner container, the outer rail is arranged on the inner rail in a front-back sliding mode, and the drawer body is connected with the outer rail so as to realize front-back push-and-pull of the drawer assembly. The wiring rod is installed on the outer rail of one of the sliding rail assemblies, and the wiring rod is installed on the outer rail due to the fact that the drawer body is connected with the outer rail, so that when the drawer assembly is pushed and pulled back and forth, the wiring rod and the drawer body move synchronously, namely the power supply terminal and the drawer body move synchronously, the cable can not be pulled greatly, the power connection terminal is guaranteed to be in contact with the power supply terminal, and stability and reliability of power supply of the ultrasonic generator are guaranteed.

The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a schematic view of a refrigerator according to one embodiment of the present invention;

fig. 2 is an exploded view of a refrigerator according to one embodiment of the present invention, in which a cabinet is hidden;

FIG. 3 is a cross-sectional view of a drawer assembly in a refrigerator according to one embodiment of the present invention showing compartment formers located below the drawer body;

FIG. 4 is a cross-sectional view of a drawer assembly in a refrigerator according to another embodiment of the present invention, showing compartment formers positioned to the side of the drawer body;

FIG. 5 is a schematic view of an inner container of a refrigerator according to an embodiment of the present invention, showing a slide rail assembly inside the inner container;

fig. 6 is an enlarged view of a portion a in fig. 5.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

Referring to fig. 1, fig. 1 is a schematic diagram of a refrigerator 1 according to an embodiment of the present invention. The utility model provides a refrigerator 1 which generally comprises a refrigerator body 10 and a door body 20.

The cabinet 10 may include an outer case located at the outermost side of the overall refrigerator 1 to protect the entire refrigerator 1, and a plurality of inner containers 30. The plurality of inner containers 30 are wrapped by the outer shell, and the space between the outer shell and the inner containers 30 is filled with a heat insulating material (forming a foaming layer) to reduce the outward heat dissipation of the inner containers 30. Each of the inner containers 30 may define a storage space opened forward, and the storage space may be configured as a refrigerating chamber, a freezing chamber, a temperature changing chamber, etc., and the number and function of the specific storage space may be configured according to a predetermined requirement.

The door 20 is movably disposed in front of the inner container 30 to open and close the storage space of the inner container 30, for example, the door 20 may be hinged to one side of the front portion of the cabinet to open and close the storage space in a pivoting manner.

In some embodiments, the refrigerator 1 may further include one or more drawer assemblies 40, and each drawer assembly 40 may be correspondingly disposed in one inner container 30 in a back-and-forth push-and-pull manner, so as to be used for opening and closing the storage space in a back-and-forth push-and-pull manner.

The drawer assembly 40 may further include a drawer body 410, and the drawer body 410 may be defined by a front wall, a rear wall, two side walls 414, and a bottom wall 412 together to define a space for storing articles therein. As is well known to those skilled in the art, the walls may be integrally formed or assembled from a plurality of separate components.

Since the drawer assembly 40 has a relatively small volume, is convenient to access and has little effect on other foods, the drawer assembly 40 can also be disposed within the liner 30 for freezing foods. The ambient temperature of the inner container 30 can also be set to be in the range of-40 ℃ to 0 ℃ to meet the demand of quick-frozen foods. Of course, those skilled in the art may set other temperature ranges after knowing the technical solution of the present embodiment, which is not described herein.

Referring to fig. 2 to 4, fig. 2 is an exploded view of a refrigerator 1 according to one embodiment of the present invention, in which a cabinet is hidden, fig. 3 is a sectional view of a drawer assembly 40 in the refrigerator 1 according to one embodiment of the present invention, in which a partition forming member 420 is shown below a drawer body 410, and fig. 4 is a sectional view of the drawer assembly 40 in the refrigerator 1 according to another embodiment of the present invention, in which the partition forming member 420 is shown at a side of the drawer body 410.

In this embodiment, the drawer body 410 further defines a compartment cavity 413, and the compartment cavity 413 is filled with a compartment medium configured to buffer the freezing rate of the food material. The interlayer medium can be a cold storage agent with large specific heat capacity, such as cold storage gel and the like, and is preferably a solution or semi-solidified medium.

Because the specific heat capacity of interlayer medium is great, therefore the interlayer medium has absorbed the cold volume in inner bag 30 the temperature change of self little, also the temperature change rate of interlayer medium in the unit interval is less than the temperature change rate of the edible material of placing in drawer body 410, interlayer medium can carry out the relative heating to whole drawer body 410 and the edible material of placing in drawer body 410 like this, make the holistic temperature field of drawer body 410 change tend to stabilize, and then guaranteed that edible material is cold evenly, the temperature change rate is stable, thereby the inside texture of having avoided edible material is destroyed, the quality of edible material has been improved.

In some embodiments, the interlayer medium may be selected to have a freezing temperature of between-40 ℃ and 0 ℃, such as-40 ℃, 20 ℃, or 0 ℃, and the interlayer medium may be selected to have a specific heat capacity of between 1KJ/(kg · K), such as 1KJ/(kg · K), 3KJ/(kg · K), or 5KJ/(kg · K). In addition, the interlayer medium should be selected in consideration of the properties of danger, flammability, non-toxicity and the like so as to satisfy the use environment of the refrigerator 1.

Referring to fig. 2 and 3, further, the drawer assembly 40 may further include a compartment forming member 420, and the compartment forming member 420 covers and buckles under the drawer body 410 to form a compartment cavity 413 between the containers.

The compartment forming member 420 may be recessed inwardly to form a reservoir, and the compartment forming member 420 may be snapped over the container to cooperate with the container to form the compartment cavity 413. In order to facilitate filling of the interlayer medium by a user or a maintenance worker, a fluid infusion port (not shown in the figure) may be formed in the interlayer forming member 420, and after fluid infusion is completed, the fluid infusion port may be sealed by a plug.

In order to ensure the sealing performance between the barrier layer forming member 420 and the container, the barrier layer forming member 420 and the container may be directly sealed, for example, by adding a sealing strip, performing a sealing process, and the like.

In this embodiment, the partition forming member 420 covers and buckles the lower portion of the drawer body 410, so that the space of the drawer body 410 can be avoided, and the bearing area of the drawer body 410 can be increased.

In alternative embodiments, the compartment forming member 420 may also be disposed inside the drawer body 410, for example, the compartment forming member 420 may be snapped over the bottom wall 412 of the drawer body 410, which may provide the advantage of a closer distance between the food material and the compartment medium, so that the compartment medium may heat the food material. However, since the partition forming member 420 is disposed above the bottom wall 412 of the drawer body 410, that is, the partition forming member 420 is located inside the drawer body 410, it may occupy a part of the inner space of the drawer body 410.

In other alternative embodiments, the partition forming member 420 is further disposed on the side wall 414 or the rear wall of the drawer body 410, for example, as shown in fig. 4, the partition forming member 420 may cover and buckle the outer side of one of the side walls 414 of the drawer body 410, which also achieves the above technical effect, but such an arrangement may cause the overall temperature field distribution to be uneven due to the deviation of the partition forming member 420 to one side of the drawer body 410, and the heat exchange effect is not good.

Referring to fig. 2-4, in some embodiments, the drawer assembly 40 can further include an ultrasonic generator 430, and the ultrasonic generator 430 can be disposed below the barrier forming member 420 and configured to controllably generate ultrasonic waves such that at least a portion of the ultrasonic waves are applied to the food material to promote freezing of the food material.

That is, the refrigerator 1 of this embodiment introduces the ultrasonic wave auxiliary freezing technology, and the ultrasonic wave technology can freeze the food material fast, can be in the freezing in-process intensive heat transfer of food material. The physical effect (cavitation effect) of ultrasonic wave not only can be in eating the formation of material freezing in-process promotion crystal nucleus, moreover because the microbubble that cavitation effect produced can regard as new crystal nucleus, change the nucleation temperature of eating the inside moisture of material, reduce and eat the material super-cooled rate, promote the quick nucleation of ice crystal, consequently, the ultrasonic wave can accelerate the inside heat transfer of eating the material, makes and eats material cooling rate and accelerate. Meanwhile, the ultrasonic waves have a crushing effect on larger ice crystals to form small and uniform ice crystals, so that damage to cells is reduced, and freshness of food materials is guaranteed.

For example, the temperature range of the low-temperature space can be adjusted to be-40 to 0 ℃ (the specific temperature range can be adjusted as required), the ultrasonic auxiliary processing device is arranged in the low-temperature space, food materials are crystallized under the action of ultrasonic waves, the cavitation effect of the ultrasonic waves can promote the formation of crystal nuclei, accelerate the internal heat transfer, improve the cooling speed, and can also break larger ice crystals to form small and uniform ice crystals, so that the damage to cells is reduced, and the freezing storage quality of food is greatly improved. Namely, the ultrasonic auxiliary processing device is used as an auxiliary freezing device to accelerate the freezing rate of the food material.

For another example, the temperature range of the low-temperature space may be adjusted to 0 ℃ or higher, and the low-temperature space is used for storing fresh fruits and vegetables or food materials stored for a short time. In addition utility model people still realize: when the temperature of the low temperature space is set to be above 0 ℃, the ultrasonic generator 430 can also accelerate the curing rate of the food material to be cured (the food material with the curing material applied to the surface thereof or the food material dipped in the curing material), that is, the ultrasonic waves generated by the ultrasonic generator 430 have an accelerating effect on the curing rate of the food material to be cured. Namely, the ultrasonic auxiliary processing device is used as an auxiliary curing device to accelerate the curing speed of the food material.

It should be noted that the above examples are only for clearly describing the working principle of the ultrasonic generator 430 in the present embodiment, and the freezing process and the curing process are not cut apart according to the temperature environment of the ultrasonic auxiliary processing device, and a person skilled in the art should clearly understand that the curing process is performed while the food material is frozen.

In some specific embodiments, the number of the ultrasonic generators 430 may be plural, and the plural ultrasonic generators 430 may be one of ultrasonic vibrators or ultrasonic wafers. A plurality of ultrasonic generators 430 may be uniformly arranged on the side of the barrier forming member 420 facing away from the container, and the specific specification and number thereof may be set according to actual conditions.

The sound intensity of the ultrasonic signal generated by the ultrasonic generator 430 may be set at 0.05W/cm²To 2W/cm²E.g. 0.05W/cm²、1W/cm²Or 2W/cm²Etc. to meet refrigeration needs.

Further, the partition forming member 420 covers and buckles the lower portion of the drawer body 410, and the ultrasonic generator 430 is disposed below the partition forming member 420, that is, the partition medium is located between the drawer body 410 and the ultrasonic generator 430, so that the partition medium can be used for heating the drawer body 410 and the food materials placed in the drawer body 410, and can also be used for absorbing heat generated by the ultrasonic generator 430 during operation, thereby ensuring the reliability of the ultrasonic generator 430.

Referring to fig. 2, the bottom wall 412 of the drawer body 410 has a plurality of recesses 412a recessed downward for placing food materials, and the number of the ultrasonic generators 430 corresponds to the number of the ultrasonic generators 430 one by one.

In this embodiment, the formation of the concave part 412a not only can increase the heat exchange area between the food material and the drawer body 410, but also the concave part 412a can extend downwards into the interlayer medium, thereby further optimizing the heat exchange.

In addition, utility model people realize: the number of the ultrasonic generators 430 can be configured to be equal to that of the recesses 412a, and one ultrasonic generator 430 can be correspondingly arranged right below each recess 412a, so that the food material in the recess 412a can be ensured to rapidly absorb the ultrasonic waves released by the ultrasonic generators 430, and the heat exchange is optimized.

Further, the ratio of the volume of the barrier medium to the volume of the barrier cavity 413 may also be set between 1/5 and 4/5, such as 1/5, 2/5 or 4/5. By the limitation, the interlayer medium can not overflow due to overfilling, the concave part 412a can be immersed in the interlayer medium, and the stability of heat transfer can be ensured.

Referring to fig. 2, in some embodiments, the drawer assembly 40 may further include a sealing cover 440, and the sealing cover 440 is disposed below the ultrasonic generator 430 to protect the ultrasonic generator 430. The sealing cover 440 may be disposed below the sonotrode 430 by a plurality of fasteners. During assembly, the sealing cover 440 may also be spaced apart from the ultrasonic generator 430 to ensure normal heat dissipation of the ultrasonic generator 430.

Referring to fig. 5 and 6, fig. 5 is a schematic view of an inner container 30 of a refrigerator 1 according to an embodiment of the present invention, in which a slide rail assembly 50 inside the inner container 30 is shown, and fig. 6 is an enlarged view of a portion a of fig. 5.

In some embodiments, the refrigerator 1 may further include two slide rail assemblies 50, the two slide rail assemblies 50 are respectively disposed on two sides of the inner container 30 in a front-back direction, and two side walls 414 of the drawer assembly 40 are respectively slidably connected to the two slide rail assemblies 50 to allow the drawer assembly 40 to be disposed inside the inner container 30 in a front-back sliding manner.

Specifically, each slide rail assembly 50 may further include an inner rail 510 and an outer rail 520, the inner rail 510 is fixed to the inner container 30, the outer rail 520 is slidably mounted on the inner rail 510 in a front-back manner, and the drawer body 410 is connected to the outer rail 520 so that the drawer assembly 40 can be pushed and pulled in a front-back manner with respect to the inner container 30.

Referring to fig. 5 and 6, in some embodiments, one of the slide rail assemblies 50 may further include a wire guiding rod 530, and the bottom wall 412 of the inner container 30 is further provided with a wire guiding base 32. The wire guide rod 530 and the wire guide base 32 are both provided with wire guide holes for allowing the cables 432 to pass through, the wire guide base 32 can be arranged at the bottom of the inner container 30, and the external cables 432 can enter the inner container 30 through the wire guide holes of the wire guide base 32.

The routing rod 530 is mounted on the outer rail 520 of one of the slide rail assemblies 50 and can translate back and forth with the outer rail 520, and the external cable 432 can pass through the rear end of the routing rod 530 and the front end thereof after passing through the routing hole of the routing base 32. A power supply terminal 532 for supplying power to the ultrasonic generators 430 is further provided on the front end of the wire-routing rod 530, and a power supply cable of the ultrasonic generator 430 can be electrically connected with the power supply terminal 532 to supply power to each ultrasonic generator 430.

Because the drawer body 410 is connected with the outer rail 520, and the wire routing rod 530 is installed on the outer rail 520, when the drawer assembly 40 is pushed and pulled back and forth, the wire routing rod 530 and the drawer body 410 move synchronously, that is, the power supply terminal and the drawer body 410 move synchronously, so that the cable 432 is not pulled out greatly, and the power supply terminal 532 is ensured to be in contact with the power supply cable of the ultrasonic generator 430.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the utility model have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the utility model may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the utility model. Accordingly, the scope of the utility model should be understood and interpreted to cover all such other variations or modifications.

Claims

1. A refrigerator, characterized in that it comprises an inner tank that is open to the front and a drawer assembly that can be pushed and pulled back and forth inside the inner tank, the drawer assembly further comprising:

The drawer body is arranged in the inner liner for carrying food materials, and defines an interlayer cavity, the interlayer cavity is filled with an interlayer medium, and the interlayer medium is configured to buffer the The freezing rate of the food.

2. The refrigerator according to claim 1, wherein the drawer assembly further comprises:

The partition forming part is buckled under the drawer body to form the partition cavity between the drawer body and the partition forming part.

3. The refrigerator according to claim 2, wherein the drawer assembly further comprises:

An ultrasonic generator, disposed below the barrier-forming member, is configured to controllably generate ultrasonic waves such that at least a portion of the ultrasonic waves are applied to the food item to induce freezing of the food item.

4. The refrigerator according to claim 3, wherein the drawer assembly further comprises:

A sealing cover is arranged below the ultrasonic generator to protect the ultrasonic generator.

5. The refrigerator according to claim 3, characterized in that,

The bottom wall of the drawer body has a plurality of recessed parts which are recessed downward and are used for placing the food;

The number of the ultrasonic generators corresponds to the concave parts one-to-one.

6. The refrigerator according to claim 3, characterized in that,

The ultrasonic generator is an ultrasonic vibrator or an ultrasonic chip.

7. The refrigerator according to claim 3, further comprising:

Two slide rail assemblies are respectively disposed on both sides of the inner container extending in the front-rear direction, and two side walls of the drawer assembly are respectively slidably connected with the two slide rail assemblies to allow the drawer The assembly can be pushed and pulled back and forth inside the inner tank.

8. The refrigerator according to claim 7, characterized in that,

One of the slide rail assemblies has a power supply terminal for supplying power to the ultrasonic generator.

9. The refrigerator according to claim 1, characterized in that,

The ratio of the volume of the interlayer medium to the volume of the interlayer cavity is between 1/5 and 4/5.

10. The refrigerator according to claim 1, characterized in that,

The solidification temperature of the interlayer medium is configured to be between -40°C and 0°C; and

The specific heat capacity of the interlayer medium is configured to be between 1 and 5 KJ/(kg·K).