CN219346924U - Refrigerating device - Google Patents

Abstract

The application relates to the technical field of refrigeration, discloses a refrigerating plant, refrigerating plant includes: a housing defining a first receiving chamber having a first opening; the movable cover is arranged at the first opening to define a second accommodating cavity with a second opening, and the first door body can open or close the first accommodating cavity under the action of external force; the second door body is covered at the second opening and is connected with the first door body in a sliding way so as to open or close the second accommodating cavity. This application is through setting up the second door body and with second door body and first door body sliding connection in second opening part, and the second holds the chamber through the second door body opening of user, and refrigerating plant need not to reserve in the place ahead and supplies the rotatory or tensile area of dodging of door body, can reduce the second door body effectively and open the space that needs, adopts sliding connection's opening mode in addition, can not need to hold the chamber with whole second and open totally when taking article, can reduce the cold energy loss that the chamber was held to the second.

Description

Refrigerating device

Technical Field

The present application relates to the field of refrigeration technology, for example, to a refrigeration device.

Background

A refrigerator is a refrigeration device for keeping constant low temperature, and is also a civil product for keeping food or other articles in constant low temperature state, and the existing refrigerator generally comprises a refrigerating chamber, a freezing chamber or a zero-degree fresh-keeping chamber between freezing and refrigerating temperatures, and a door body is separately connected to each chamber. Generally, the refrigerating chamber has higher use frequency and more opening and closing times, so that the cold air loss is serious and the energy is wasted. And when some foods such as beverage and red wine are stored, the temperature of the refrigerating chamber is too low to be suitable for being stored in the existing refrigerating chamber.

The related art discloses a door-in-door refrigerator, including refrigerator main part and the refrigerator door in the refrigerator main part, set up freezer and fridge room in the refrigerator main part, the refrigerator door is including articulating the freezing door on the freezer and articulating the fridge door on the fridge room, its characterized in that: a second refrigeration door is arranged on the outer surface of the refrigeration door in an opening and closing way, a second refrigeration chamber with the temperature higher than that of the refrigeration chamber is formed between the second refrigeration door and the refrigeration door body, the closed cover of second cold-stored indoor side is equipped with the frame shape cover, the frame shape cover on open and shut and be provided with the door, the door sets up to flip formula, the upper end of opening the door articulates on the frame shape cover, the lower extreme sets up the lifting part.

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:

the second refrigerating chamber of the door-in-door refrigerator in the related art needs a larger space by adopting a traditional rotary opening mode, and the cooling capacity loss generated by larger opening angle is larger.

It should be noted that the information disclosed in the foregoing background section is only for enhancing understanding of the background of the present application and thus may include information that does not form the prior art that is already known to those of ordinary skill in the art.

Disclosure of Invention

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, and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended as a prelude to the more detailed description that follows.

The embodiment of the disclosure provides a refrigerating device to solve the problems of large space and large cold energy loss required by a door refrigerator in a door.

Embodiments of the first aspect of the present application provide a refrigeration device comprising: a housing defining a first receiving chamber having a first opening; the movable cover is arranged at the first opening to define a second accommodating cavity with a second opening, and the first door body can open or close the first accommodating cavity under the action of external force; the second door body is covered at the second opening and is connected with the first door body in a sliding way so as to open or close the second accommodating cavity.

In some alternative embodiments, the refrigeration unit further comprises: the sliding groove is arranged on one of the first door body and the second door body; and the sliding block is arranged on the other one of the first door body and the second door body and is matched with the sliding groove so as to enable the second door body to slide relative to the first door body.

In some optional embodiments, the sliding groove is formed in a side wall of the first door body, and the sliding block is arranged on the second door body in a manner of extending along a horizontal direction, so that the second door body slides relative to the first door body along the horizontal direction.

In some alternative embodiments, the slider includes: a first connection portion; and one end of the second connecting part is connected with the first connecting part, the other end of the second connecting part is connected with the second door body, and the height dimension of the second connecting part is smaller than that of the first connecting part.

In some alternative embodiments, the refrigeration unit further comprises: the stop part is arranged in the second accommodating cavity; the convex block is arranged on one side of the second door body facing the second accommodating cavity; when the second door body slides to a preset distance relative to the first door body, the lug is abutted with the stop part so as to prevent the second door body from being separated from the first door body.

In some alternative embodiments, the refrigeration unit further comprises: the air curtain component is arranged in the box body and extends into the second accommodating cavity, so that an air outlet curtain is formed in the second accommodating cavity, and the cooling capacity loss when the second accommodating cavity is opened is reduced.

In some alternative embodiments, the air curtain assembly includes: the air chamber is arranged in the box body; one end of the air curtain air channel is communicated with the air chamber, and the other end of the air curtain air channel extends into the second accommodating cavity so as to form an air curtain in the second accommodating cavity; the fan is arranged in the air chamber and used for driving air in the air chamber to flow into the air curtain air duct and flow out into the second accommodating cavity along the air outlet of the air curtain air duct.

In some alternative embodiments, the refrigeration unit further comprises: the opening and closing device is movably arranged in the air curtain air duct and is used for enabling the air chamber to be communicated with or disconnected from the second accommodating cavity.

In some alternative embodiments, the refrigeration unit further comprises: the detection device is arranged on the second door body and used for detecting the opening and closing states of the second door body and transmitting detection results; and the controller is connected with the detection device, the opening and closing device and the fan and is used for receiving the detection result of the detection device and controlling the operation of the opening and closing device and the fan according to the detection result.

In some alternative embodiments, the detection device includes a photoelectric sensor, where the photoelectric sensor is provided on the second door body, and is configured to detect a distance between the second door body and the first door body.

The refrigerating device provided by the embodiment of the disclosure can realize the following technical effects:

by defining a first accommodating chamber having a first opening in the case, a user can put an article to be stored into the first accommodating chamber through the first opening; the movable first door body is arranged at the first opening, so that the first accommodating cavity can be closed and opened, the sealing effect of the first accommodating cavity is ensured, and the second accommodating cavity with the second opening is defined on the first door body, so that objects can be placed into the second accommodating cavity from the second opening, further, the storage space of the refrigerating device can be increased, and the space utilization rate is improved; through set up the second door body and with second door body and first door body sliding connection in second opening part, the user can slide the second door body and open the second and hold the chamber, compare in traditional rotation type opening means, refrigeration device need not to reserve in the dead ahead and supply the rotatory or tensile area of dodging of door body, can reduce the second door body effectively and open the space that needs, adopt sliding connection's opening means in addition, can not need to hold the chamber with whole second and open totally when taking article, compare in articulated opening means and can reduce the cold energy loss that the chamber was held to the second.

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 and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which like reference numerals refer to similar elements, and in which:

FIG. 1 is a schematic diagram of a refrigeration apparatus according to an embodiment of the present disclosure;

FIG. 2 is an exploded view of a portion of a refrigeration unit according to an embodiment of the present disclosure;

FIG. 3 is an exploded schematic view of a part of the structure of another refrigeration apparatus provided by an embodiment of the present disclosure;

FIG. 4 is a schematic cross-sectional view of a slider and runner provided by an embodiment of the present disclosure;

FIG. 5 is a schematic cross-sectional view of a refrigeration apparatus provided in an embodiment of the present disclosure;

fig. 6 is a schematic view of a part of a refrigeration apparatus according to an embodiment of the present disclosure.

Reference numerals:

10: case body, 101: first accommodation chamber, 20: first door body, 201: second accommodation chamber, 30: a second door body,

41: slider, 411: first connecting portions, 412: second connection portion, 42: chute, 43: stop, 44: a bump, a bump,

50: air curtain assembly, 51: plenum, 52: air curtain duct, 521: first wind channel, 522: second wind channel, 53: fan, 54: opening and closing device, 55: an air outlet grille,

60: and a detection device.

Detailed Description

So that the manner in which the features and techniques of the disclosed embodiments can be understood in more detail, a more particular description of the embodiments of the disclosure, briefly summarized below, may be had by reference to the appended drawings, which are not intended to be limiting of 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 still be practiced without these details. In other instances, well-known structures and devices may be shown simplified in order to simplify the drawing.

The terms first, second and the like in the description and in the claims of the embodiments of the disclosure and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe embodiments of the present disclosure. Furthermore, the terms "comprise" 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 an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe embodiments of the present disclosure and embodiments thereof and are not intended to limit the indicated device, element, or component to a particular orientation or to be constructed and operated in a particular orientation. Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the embodiments of the present disclosure will be understood by those of ordinary skill in the art in view of the specific circumstances.

In addition, the terms "disposed," "connected," "secured" and "affixed" are to be construed broadly. For example, "connected" may be in a fixed connection, a removable connection, or a unitary construction; may 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. The specific meaning of the above terms in the embodiments of the present disclosure may be understood by those of ordinary skill in the art according to specific circumstances.

The term "plurality" means two or more, unless otherwise indicated.

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

The term "and/or" is an associative relationship that describes an object, meaning that there may be three relationships. For example, a and/or B, represent: a or B, or, A and B.

It should be noted that, without conflict, the embodiments of the present disclosure and features of the embodiments may be combined with each other.

Referring to fig. 1 to 6, arrows in fig. 5 indicate air flow directions, and the embodiment of the present disclosure provides a refrigerating apparatus including a case 10, a first door 20, and a second door 30, the case 10 defining a first receiving chamber 101 having a first opening; the first door body 20 is movably covered at the first opening, the first door body 20 defines a second accommodating cavity 201 with a second opening, and the first door body 20 can open or close the first accommodating cavity 101 under the action of external force; the second door 30 is disposed at the second opening in a cover manner and slidably connected to the first door 20 to open or close the second receiving chamber 201.

By defining the first accommodating cavity 101 with the first opening on the box body 10, the user can put the articles to be stored into the first accommodating cavity 101 through the first opening; the movable first door body 20 is arranged at the first opening, so that the first accommodating cavity 101 can be closed and opened, the sealing effect of the first accommodating cavity 101 is ensured, and objects can be placed into the second accommodating cavity 201 from the second opening by limiting the second accommodating cavity 201 with the second opening on the first door body 20, thereby increasing the storage space of the refrigerating device and improving the space utilization rate; through set up the second door body 30 and with second door body 30 and first door body 20 sliding connection in second opening part, the user can slide second door body 30 and open the second and hold chamber 201, for traditional rotation type opening means, need not to reserve in the front of refrigerating plant and supply the rotatory or tensile area of dodging of door body, can reduce the space that needs of opening of second door body 30 effectively, adopt sliding connection's opening means in addition, need not hold the chamber 201 with whole second and open totally when taking the article that the part is located the side of opening, compare in articulated opening means can reduce the cold loss that the chamber 201 is held to the second.

The first door 20 may be opened or closed by an external force, which is applied by a user to move the first door 20 manually, or may be automatically moved by a driving device such as a motor in a conventional manner, and is not limited herein.

It should be noted that, in fig. 1, a four-door refrigerator is taken as an example for illustration, in fig. 1, only one portion of the four-door refrigerator is illustrated, and only one portion is not shown, and it is understood that one portion or more portions of the four-door refrigerator may be disposed in an upper right corner form in fig. 1, and the disposed form may also be applied to other types of refrigerators, such as a single-door refrigerator, a double-door refrigerator, and the like, which are not described herein.

In some embodiments, the refrigeration device further comprises: a sliding groove 42 and a sliding block 41, wherein the sliding groove 42 is arranged on one of the first door body 20 and the second door body 30; the sliding block 41 is disposed on the other of the first door 20 and the second door 30, and the sliding block 41 is adapted to the sliding groove 42 so as to enable the second door 30 to slide relative to the first door 20.

By adopting the refrigerating device provided by the embodiment of the disclosure, one of the sliding groove 42 and the sliding block 41 is arranged on the first door body 20, and the other of the sliding groove 42 and the sliding block 41 is arranged on the second door body 30, the first door body 20 and the second door body 30 can be in sliding connection by utilizing the sliding groove 42 and the sliding block 41, so that the sliding connection of the first door body 20 and the second door body 30 can be realized by utilizing a simple structure, and the production cost is reduced.

Specifically, the second door body 30 may slide along the up-down direction relative to the first door body 20, and the second door body 30 may also slide along the left-right direction relative to the first door body 20, which can be understood that the direction of the sliding movement of the second door body 30 relative to the first door body 20 is not unique, and may be flexibly set according to the actual use requirement.

Optionally, the first door body 20 and the second door body 30 may further be slidably connected through other sliding connection manners, specifically, the first door body 20 and the second door body 30 may be slidably connected through a sliding rail and a pulley, the sliding rail is disposed on the first door body 20, the pulley is disposed on the second door body 30, and the sliding rail and the pulley are mutually matched, which can be understood that the sliding connection manner of the first door body 20 and the second door body 30 is not unique, so long as the sliding movement manner of the first door body 20 and the second door body 30 is one of the alternative embodiments of the present embodiment.

In some embodiments, the sliding block 41 is disposed on the second door 30 in a horizontal direction, and the sliding groove 42 is opened on a sidewall of the first door 20 corresponding to the sliding block 41, so that the second door 30 slides relative to the first door 20 in the horizontal direction.

By adopting the refrigerating device provided by the embodiment of the disclosure, the space of the second accommodating cavity 201 occupied by the sliding block 41 can be reduced by arranging the sliding groove 42 on the first door body 20 and arranging the corresponding sliding block 41 on the second door body 30; through extending the sliding block 41 along the horizontal direction, the second door body 30 can move along the horizontal direction relative to the first door body 20, and compared with the arrangement mode of moving the second door body 30 along the vertical direction relative to the first door body 20, the influence of the gravity of the second door body 30 on the movement of the second door body 30 can be effectively reduced, and the service lives of the sliding groove 42 and the sliding block 41 are prolonged.

In some embodiments, as shown in connection with fig. 4, the slider 41 includes a first connection part 411 and a second connection part 412, one end of the second connection part 412 is connected to the first connection part 411, the other end of the second connection part 412 is connected to the second door 30, and a height dimension of the second connection part 412 is smaller than a height dimension of the first connection part 411.

By adopting the refrigeration device provided by the embodiment of the disclosure, through setting the first connection portion 411 and the second connection portion 412 and setting the height dimension of the second connection portion 412 smaller than that of the first connection portion 411, the situation that the first door body 20 is separated from the second door body 30 due to the movement of the first door body 20 in the direction away from the second door body 30 can be effectively avoided.

In some embodiments, the refrigeration device further comprises: a stop portion 43 and a bump 44, the stop portion 43 being disposed in the second accommodation chamber 201; the bump 44 is arranged on one side of the second door 30 facing the second accommodating cavity 201; when the second door 30 slides to a predetermined distance relative to the first door 20, the protrusion 44 abuts against the stop 43 to prevent the second door 30 from being separated from the first door 20.

By adopting the refrigeration device provided by the embodiment of the disclosure, by arranging the stop part 43 and the bump 44, when the second door body 30 slides to a predetermined distance relative to the first door body 20, the stop part 43 and the bump 44 are abutted, so that the second door body 30 can be prevented from moving continuously, the situation that the second door body 30 is separated from the first door body 20 is avoided, and the predetermined distance can be changed by adjusting the distance between the stop part 43 and the bump 44.

As shown in fig. 2 and 3, the stop portion 43 is disposed in the second accommodating cavity 201 and is located at the right portion of the second accommodating cavity 201, the protrusion 44 is disposed at the left portion of the rear sidewall of the second door 30 and is disposed corresponding to the stop portion 43, the structures of the protrusion 44 and the stop portion 43 are adapted, the specific stop portion 43 defines a recess, the shape of the recess is the same as that of the protrusion 44, and when the protrusion 44 moves to the recess of the stop portion 43, the protrusion 44 abuts to stop the second door 30 from sliding relative to the first door 20.

Alternatively, the stop portion 43 and the projection 44 may be interchanged, and the installation positions thereof are not unique, so long as the installation positions can be the installation positions capable of preventing the second door 30 from being separated from the first door 20, which is an alternative mode of the present embodiment.

Optionally, the refrigeration device further comprises: the electric driving device is arranged on the first door body 20 and is connected with the first door body 20 and the second door body 30 so as to drive the second door body 30 to move relative to the first door body 20.

Specifically, the electric driving device may be a linear motor, the base of the linear motor is fixedly connected with the first door body 20, the stator of the linear motor that moves linearly is connected with the second door body 30, and the moving direction of the stator of the linear motor is the same as the sliding direction of the second door body 30, so as to drive the second door body 30 to automatically slide and open or close relative to the first door body 20, thereby improving the convenience of the refrigerating device.

In some embodiments, the refrigeration device further comprises: and an air curtain assembly 50, wherein the air curtain assembly 50 is arranged in the box body 10 and extends into the second accommodating cavity 201, so that an air curtain is formed in the second accommodating cavity 201 to reduce the cold energy loss when the second accommodating cavity 201 is opened.

By adopting the refrigerating device provided by the embodiment of the disclosure, by arranging the air curtain assembly 50, when the second door body 30 opens the second accommodating cavity 201, an air curtain is formed on the front side of the second accommodating cavity 201, that is, on the side, away from the first accommodating cavity 101, of the second accommodating cavity 201, and the air curtain can effectively block the cold energy in the second accommodating cavity 201 from leaking, so that the cold energy loss of the second accommodating cavity 201 is reduced.

In some embodiments, air curtain assembly 50 includes: the air chamber 51, the air curtain air duct 52 and the air blower 53, wherein the air chamber 51 is arranged in the box body 10; one end of the air curtain air duct 52 is communicated with the air chamber 51, and the other end of the air curtain air duct 52 extends into the second accommodating cavity 201 so as to form an air curtain in the second accommodating cavity 201; the fan 53 is disposed in the air chamber 51, and is used for driving air in the air chamber 51 to flow into the air curtain air duct 52 and flow out into the second accommodating cavity 201 along the air outlet of the air curtain air duct 52.

With the refrigeration device provided by the embodiment of the disclosure, as shown in fig. 5, by arranging the air chamber 51, the air curtain air channel 52 and the fan 53, the air inlet end of the air curtain air channel 52 is communicated with the air chamber 51, the air outlet end of the air curtain air channel 52 extends into the second accommodating cavity 201, the air curtain air channel 52 is arranged at the top of the box body 10, the air curtain air channel 52 can communicate the air chamber 51 with the second accommodating cavity 201, the fan 53 is arranged in the air chamber 51, the fan 53 can drive air in the air chamber 51 into the air curtain air channel 52 and flow along the air curtain air channel 52, and the air flows out from the air outlet of the air curtain air channel 52 to form an air curtain at the front part of the second accommodating cavity 201.

Optionally, the air curtain air duct 52 includes a first air duct 521 and a second air duct 522, the first air duct 521 is disposed in the box 10, an air inlet end of the first air duct 521 is communicated with the air chamber 51, an air outlet end of the first air duct 521 is located at a junction between the first door 20 and the box 10, the second air duct 522 is disposed in the first door 20, an air inlet end of the second air duct 522 is communicated with an air outlet end of the first air duct 521, and an air outlet end of the second air duct 522 is disposed in the second accommodating cavity 201. In this way, the air curtain air duct 52 is provided as the first air duct 521 and the second air duct 522 that can be separated, and the opening and closing of the first door 20 are not affected.

Optionally, air curtain assembly 50 further includes: and the air outlet grille 55 is arranged at the air outlet of the air curtain air duct 52.

Thus, by providing the air outlet grille 55, the air outlet grille 55 can play a certain role in blocking the air flow at the air outlet, and the air curtain assembly 50 can be used for air outlet more gently.

Alternatively, the air outlet grille 55 is provided with a plurality of air outlets extending in the horizontal direction, and the plurality of air outlets are arranged side by side in the front-rear direction.

In this way, with reference to fig. 5, the air blown out from the air outlet of the air curtain air duct 52 may form multiple air outlets, so that on one hand, the air outlet grille 55 may reduce the air force of the air outlet, and on the other hand, the manner of multiple air outlets may also improve the blocking effect on the cold energy, and further reduce the cold energy loss.

Optionally, a plurality of through holes are formed on the air outlet grille 55, and the plurality of through holes are staggered. Thus, by providing a plurality of through holes in the outlet grill 55, the outlet air can be made more gentle. It should be understood that the structural form of the air-out grille 55 is not unique, so long as the structural form can make the air-out lighter belongs to one of the optional embodiments of the air-out grille 55 in this embodiment, and the air-out grille 55 is not particularly limited herein, and can be selected appropriately according to the actual use requirement.

In some embodiments, the refrigeration device further comprises: and an opening/closing device 54, wherein the opening/closing device 54 is movably arranged in the air curtain air duct 52 and is used for communicating or disconnecting the air chamber 51 and the second accommodating cavity 201.

By adopting the refrigerating device provided by the embodiment of the disclosure, by arranging the opening and closing device 54, the opening and closing device 54 can connect or disconnect the air curtain air duct 52, and then connect or disconnect the air chamber 51 and the second accommodating cavity 201, so that when the second door 30 is opened, the opening and closing device 54 rotates to open to form an air curtain in the second accommodating cavity 201, thereby reducing the loss of cold energy, and when the second door 30 is closed, the opening and closing device 54 rotates to close to prevent the cold energy in the second accommodating cavity 201 from flowing back into the air chamber 51 along the air curtain air duct 52.

Specifically, the opening and closing device 54 may be an air door, the air door is disposed at a communication position between the air curtain air duct 52 and the air chamber 51, the air door is rotatable, when the air door does not move, the air door can completely disconnect the air chamber 51 from the air curtain air duct 52, when the air door rotates, the air door can enable the air chamber 51 to communicate with the air curtain air duct 52, and when the air door rotates to 90 degrees, the communication area between the air curtain and the air curtain air duct 52 reaches the maximum.

In some embodiments, the refrigeration device further comprises: the detection device 60 and the controller, the detection device 60 is arranged on the second door body 30, and is used for detecting the open and closed states of the second door body 30 and transmitting the detection result; the controller is connected to the detecting device 60, the opening/closing device 54 and the fan 53, and is configured to receive the detection result of the detecting device 60 and control the operation of the opening/closing device 54 and the fan 53 according to the detection result.

By adopting the refrigerating device provided by the embodiment of the disclosure, by arranging the detecting device 60 and the controller, the detecting device 60 can detect the open and close state of the second door body 30 and send the detection result to the controller in real time, the controller can control the opening and closing device 54 and the fan 53 to work according to the detection result, specifically, when the detecting device 60 detects that the second door body 30 is opened, the controller controls the opening and closing device 54 to be communicated with the air chamber 51 and the second accommodating cavity 201 and controls the fan 53 to operate, so that an air curtain is formed on the front side of the second accommodating cavity 201 in time, and the cooling loss of the second accommodating cavity 201 is reduced; when the detecting device 60 detects that the second door 30 is closed, the controller controls the opening and closing device 54 to block the air chamber 51 and the second accommodating chamber 201 and controls the blower 53 to be closed, so as to reduce the energy consumption and prevent the cold in the second accommodating chamber 201 from flowing back into the air chamber 51 along the air curtain air duct 52.

In some embodiments, the detection device 60 includes a photoelectric sensor disposed on the second door 30 for detecting a distance between the second door 30 and the first door 20.

Adopt refrigerating plant that this disclosed embodiment provided, through setting up photoelectric sensor, photoelectric sensor can judge the open condition of second door body 30 through detecting the distance change between first door body 20 and the second door body 30, realizes accurate detection. Specifically, the emitter of the photoelectric sensor is disposed at the bump 44 and toward the stopper 43, and the receiver of the photoelectric sensor is disposed at the stopper 43, and the photoelectric sensor can detect the open/closed state of the second door 30 by detecting the distance between the bump 44 and the stopper 43.

The specific form of the detecting device 60 is not limited, and the detecting device 60 may also be a magnetic reed switch and a magnetic bar in the prior art to detect the open/closed state of the second door 30, and any form of the detecting device 60 is possible as long as it can detect the open/closed state of the second door 30.

The above description and the drawings illustrate embodiments of the disclosure sufficiently to enable those skilled in the art to practice them. Other embodiments may include structural and other modifications. The embodiments represent only 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. 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. A refrigeration device, comprising:

a housing defining a first receiving chamber having a first opening;

the movable cover is arranged at the first opening to define a second accommodating cavity with a second opening, and the first door body can open or close the first accommodating cavity under the action of external force;

the second door body is covered at the second opening and is connected with the first door body in a sliding way so as to open or close the second accommodating cavity.

2. The refrigeration unit as recited in claim 1 further comprising:

the sliding groove is arranged on one of the first door body and the second door body;

and the sliding block is arranged on the other one of the first door body and the second door body and is matched with the sliding groove so as to enable the second door body to slide relative to the first door body.

3. A refrigerating apparatus as recited in claim 2, wherein,

the sliding groove is formed in the side wall of the first door body, and the sliding block is arranged on the second door body in an extending mode along the horizontal direction, so that the second door body slides relative to the first door body along the horizontal direction.

4. A refrigeration unit as set forth in claim 3 wherein said slider includes:

a first connection portion;

and one end of the second connecting part is connected with the first connecting part, the other end of the second connecting part is connected with the second door body, and the height dimension of the second connecting part is smaller than that of the first connecting part.

5. The refrigeration unit as recited in claim 1 further comprising:

the stop part is arranged in the second accommodating cavity;

the convex block is arranged on one side of the second door body facing the second accommodating cavity;

when the second door body slides to a preset distance relative to the first door body, the lug is abutted with the stop part so as to prevent the second door body from being separated from the first door body.

6. The refrigeration device of any one of claims 1 to 5, further comprising:

the air curtain component is arranged in the box body and extends into the second accommodating cavity, so that an air outlet curtain is formed in the second accommodating cavity, and the cooling capacity loss when the second accommodating cavity is opened is reduced.

7. The refrigeration unit of claim 6 wherein said air curtain assembly comprises:

the air chamber is arranged in the box body;

one end of the air curtain air channel is communicated with the air chamber, and the other end of the air curtain air channel extends into the second accommodating cavity so as to form an air curtain in the second accommodating cavity;

the fan is arranged in the air chamber and used for driving air in the air chamber to flow into the air curtain air duct and flow out into the second accommodating cavity along the air outlet of the air curtain air duct.

8. The refrigeration unit as recited in claim 7 further comprising:

the opening and closing device is movably arranged in the air curtain air duct and is used for enabling the air chamber to be communicated with or disconnected from the second accommodating cavity.

9. The refrigeration unit as recited in claim 8 further comprising:

the detection device is arranged on the second door body and used for detecting the opening and closing states of the second door body and transmitting detection results;

and the controller is connected with the detection device, the opening and closing device and the fan and is used for receiving the detection result of the detection device and controlling the operation of the opening and closing device and the fan according to the detection result.

10. A refrigerating apparatus as recited in claim 9, wherein,

the detection device comprises a photoelectric sensor, wherein the photoelectric sensor is arranged on the second door body and is used for detecting the distance between the second door body and the first door body.

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