CN217584981U - A kind of refrigerator - Google Patents

Abstract

The application discloses refrigerator relates to fresh-keeping technical field, can improve the fresh-keeping effect of refrigerator, prolongs the fresh-keeping time of food. The refrigerator of this application includes box, door body and packaging hardware. The interior of the box body is provided with a storage chamber and a taking and placing opening communicated with the storage chamber. The door body is connected with the box body and used for opening or closing the taking and placing opening. The packaging device is arranged on the door body and comprises a sealing cavity and a vacuumizing assembly. The vacuumizing assembly is communicated with the sealing cavity and the external environment and used for pumping the gas in the sealing cavity to the external environment or pumping the gas in the external environment into the sealing cavity. The method and the device can be used for improving the performance of the refrigerator.

Description

A kind of refrigerator

Technical Field

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

Background

The refrigerator is a refrigerating device which keeps constant low temperature, can provide constant low-temperature storage environment for articles, is widely applied to food storage, and can prolong the food preservation time.

With the improvement of living standard of people, the refrigerator is popularized, and the preservation performance of the refrigerator receives more and more attention. However, the refrigerator in the prior art has poor preservation effect, and the preservation time of the food stored in the refrigerator is short.

SUMMERY OF THE UTILITY MODEL

The application provides a refrigerator can improve the fresh-keeping effect of refrigerator, prolongs the fresh-keeping time of food.

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

the embodiment of the application provides a refrigerator, the refrigerator comprises a refrigerator body, a door body and a packaging device.

The storage chamber is formed in the box body, and a taking and placing opening communicated with the storage chamber is formed in the box body. The door body is connected with the box body and used for opening or closing the taking and placing opening. The packaging device is arranged on the door body and comprises a sealing cavity and a vacuumizing assembly. The vacuumizing assembly is communicated with the sealing cavity and the external environment and is used for pumping the gas in the sealing cavity to the external environment or pumping the gas in the external environment into the sealing cavity.

In some embodiments, the evacuation assembly includes a vacuum pump and a four-way valve. The vacuum pump includes an intake port and an exhaust port. The first end of the four-way valve is communicated with the sealing cavity, the second end of the four-way valve is communicated with the suction port of the vacuum pump, the third end of the four-way valve is communicated with the exhaust port of the vacuum pump, and the fourth end of the four-way valve is communicated with the external environment. The four-way valve can be switched between a first state and a second state. When the four-way valve is in a first state, a first end and a second end of the four-way valve are communicated, and a third end and a fourth end of the four-way valve are communicated; and when the four-way valve is in a second state, the first end and the third end of the four-way valve are communicated, and the second end and the fourth end of the four-way valve are communicated.

In some embodiments, the vacuum pumping assembly further comprises a first connection pipe, a second connection pipe, a suction pipe, and a discharge pipe. One end of the first connecting pipe is connected with the first end of the four-way valve, and the other end of the first connecting pipe is connected to the sealing cavity. One end of the second connecting pipe is connected with the fourth end of the four-way valve, and the other end of the second connecting pipe is connected to the external environment. One end of the air suction pipe is connected with the second end of the four-way valve, and the other end of the air suction pipe is connected with an air suction port of the vacuum pump. And one end of the exhaust pipe is connected with the third end of the four-way valve, and the other end of the exhaust pipe is connected with the exhaust port of the vacuum pump.

In some embodiments, the evacuation assembly further includes a controller, a pressure sensor, and a third connecting tube. One end of the third connecting pipe is connected with the first connecting pipe, and the other end of the third connecting pipe is connected with the pressure sensor. The controller is electrically connected with the vacuum pump and the pressure sensor.

In some embodiments, the vacuum assembly further comprises a fourth connecting tube and a pressure relief valve. One end of the fourth connecting pipe is connected with the first connecting pipe, and the other end of the fourth connecting pipe is connected with the pressure release valve.

In some embodiments, the evacuation assembly further comprises a cross-pipe comprising a first opening, a second opening, a third opening, and a fourth opening. The first opening is connected with one end, far away from the pressure release valve, of the fourth connecting pipe, and the second opening is connected with one end, far away from the pressure sensor, of the third connecting pipe. The first connection pipe includes a first sub-connection pipe and a second sub-connection pipe. One end of the first sub-connecting pipe is connected with the first end of the four-way valve, and the other end of the first sub-connecting pipe is connected with the third opening. One end of the second sub-connecting pipe is connected with the fourth opening, and the other end of the second sub-connecting pipe is connected to the sealed cavity.

In some embodiments, the vacuum pumping assembly further comprises a control valve disposed on the pipe of the first connection pipe for connecting or disconnecting the first connection pipe.

In some embodiments, the vacuum pumping assembly further comprises a muffler connected to an end of the second connection pipe remote from the four-way valve.

In some embodiments, the encapsulation device includes an upper support and a lower support. The upper support and the lower support are arranged oppositely and can move towards the direction close to or far away from the lower support. When the upper support abuts against the lower support, the sealing cavity is formed between the upper support and the lower support.

In some embodiments, the refrigerator further comprises a driving device for driving the upper support to move towards or away from the lower support.

The refrigerator provided by the embodiment of the disclosure comprises an encapsulating device, wherein the encapsulating device comprises a sealing cavity and a vacuumizing assembly. Wherein, the evacuation subassembly not only can take the gas in the sealed intracavity out to the external environment, can also be with the gas suction in the external environment sealed intracavity. Therefore, when a user stores food in the refrigerator, the food can be placed into the freshness protection package, the opening of the freshness protection package is placed in the sealing cavity, and air in the freshness protection package is pumped out by the vacuumizing assembly, so that the vacuum freshness protection of the food is realized. Therefore, the preservation effect of the refrigerator can be improved, and the preservation time of food can be prolonged. In addition, it can be understood that the cakes, the chips, the potato chips and other puffed foods are easy to break and inconvenient to preserve in a vacuumizing mode. When depositing these fragile article, can put into the freshness protection package with it to place the opening of freshness protection package in sealed intracavity, utilize the evacuation subassembly with the gas suction in the external environment in the freshness protection package, thereby for fragile food provides the protection, be favorable to fragile food deposit and fresh-keeping. Therefore, the performance of the refrigerator can be improved, diversified storage requirements of users can be met, and the use experience of the users can be improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a structural view of a refrigerator provided in some embodiments of the present application;

FIG. 2 is a block diagram of a refrigerator provided in some embodiments of the present application;

fig. 3 is a block diagram of a door and a package assembly according to some embodiments of the present disclosure;

FIG. 4 is a block diagram of an evacuation assembly provided in accordance with some embodiments of the present application;

FIG. 5 is a block diagram of a vacuum pump provided in some embodiments of the present application;

FIG. 6 is a block diagram of a four-way valve provided in some embodiments herein;

FIG. 7 is a block diagram of a cross-piece provided in some embodiments of the present application;

FIG. 8 is a block diagram of a control valve provided in accordance with certain embodiments of the present application;

FIG. 9 is a block diagram of a muffler provided in accordance with certain embodiments of the present application;

FIG. 10 is a block diagram of a packaging apparatus provided in accordance with some embodiments of the present application;

FIG. 11 is a block diagram of a packaging apparatus provided in accordance with some embodiments of the present application;

FIG. 12 is an enlarged view of the packaging arrangement at the drive arrangement provided by some embodiments of the present application;

fig. 13 is a block diagram of a door and a package assembly according to some embodiments of the present disclosure;

fig. 14 is a structural diagram of a door and a packaging apparatus according to some embodiments of the present disclosure.

Reference numerals:

100-a refrigerator; 1-a box body; 2-a door body; 21-a frame; 22-a panel; 23-door inner container; 24-a blister box; 3-packaging the device; 31-a vacuum-pumping assembly; 311-a vacuum pump; 3111-suction port; 3112-vent; 312-a four-way valve; 3121-a first end; 3122-a second end; 3123-a third terminal; 3124-a fourth end; 313-a first connection tube; 3131 — a first sub-connection tube; 3132 — a second sub-connection tube; 314-a second connecting tube; 315-suction pipe; 316-exhaust pipe; 317-a pressure sensor; 318-third connecting pipe; 319-fourth connecting tube; 32-upper support; 33-lower support; 34-a drive device; 341-a motor; 342-a drive gear; 343-a first reduction gear; 344 — a second reduction gear; 345-rack gear; 35-an operating panel; 4, a pressure release valve; 5-four-way pipe; 51-a first opening; 52-a second opening; 53-third opening; 54-a fourth opening; 6-a control valve; 7-silencer.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

The terms "first", "second" and "first" 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" or "second" 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.

It should be noted that in practical applications, due to the limitation of the precision of the device or the installation error, the absolute parallel or perpendicular effect is difficult to achieve. In the present application, the description of "perpendicular", "parallel" or "same direction" is not an absolute limitation, but means that a perpendicular or parallel structural arrangement can be achieved within a preset error range, and a corresponding preset effect is achieved, so that the technical effect of limiting the features can be maximally achieved, and the corresponding technical scheme is convenient to implement and has high feasibility. For example, "perpendicular" includes absolute perpendicular and approximately perpendicular, where an acceptable deviation from approximately perpendicular may also be within 5 °, for example. "parallel" includes absolute parallel and approximately parallel, wherein an acceptable deviation from approximately parallel may also be, for example, within 5 °. "co-directional" includes absolute co-directional and approximately co-directional, wherein an acceptable deviation range for approximately co-directional may also be, for example, a deviation within 5 °.

In the description of the present application, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. They may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the embodiments of the present application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

In the embodiments of the present application, words such as "exemplary" or "for example" are used to mean serving as examples, illustrations or descriptions. Any embodiment or design described herein as "exemplary" or "e.g.," is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.

Referring to fig. 1, an embodiment of the present application provides a refrigerator 100, where the refrigerator 100 includes a refrigerator body 1, a door body 2, and a packaging device 3.

Wherein, the interior of the box body 1 is provided with a storage chamber and a fetching and placing opening communicated with the storage chamber. The door body 2 is connected with the box body 1 and used for opening or closing the taking and placing opening.

It can be understood that there are various connection manners of the door 2 and the box 1, which can be specifically selected according to actual situations, and the disclosure does not specifically limit this.

Exemplarily, as shown in fig. 2, the refrigerator 100 further includes a rotating shaft, and the door 2 is connected to the cabinet 1 through the rotating shaft. Wherein, the door body 2 can rotate around the rotating shaft to open or close the taking and placing opening.

On the basis, as shown in fig. 3, the sealing device 3 is disposed on the door body 2 and includes a sealing chamber and a vacuum pumping assembly 31. The vacuum pumping assembly 31 is communicated with the sealed cavity and the external environment, and is used for pumping the gas in the sealed cavity to the external environment or pumping the gas in the external environment into the sealed cavity. That is, the vacuum pumping assembly 31 in the present application can pump air from the sealed cavity to the outside or can pump air into the sealed cavity.

The refrigerator 100 provided by the embodiment of the present disclosure includes an encapsulation device 3, and the encapsulation device 3 includes a sealed cavity and a vacuum pumping assembly 31. Wherein, evacuation subassembly 31 not only can be with the gas extraction in the sealed intracavity to the external environment, can also be with the gas extraction in the external environment in the sealed intracavity. Thus, when a user puts food into the refrigerator 100 for storage, the food can be put into the freshness protection package, the opening of the freshness protection package is placed in the sealing cavity, and the vacuum-pumping assembly 31 is used for pumping out air in the freshness protection package, so that the vacuum freshness protection of the food is realized. Thus, the preservation effect of the refrigerator 100 can be improved, and the preservation time of the food can be prolonged. In addition, it can be understood that cakes, and puffed foods such as chips and potato chips are easy to break and inconvenient to preserve in a vacuumizing mode. When depositing these fragile article, can put into the freshness protection package with it to place the opening of freshness protection package in sealed intracavity, utilize evacuation subassembly 31 in with the gas suction in the external environment in the freshness protection package, thereby for fragile food provides the protection, be favorable to fragile food's depositing and fresh-keeping. Thus, the performance of the refrigerator 100 can be improved, the diversified storage requirements of users can be met, and the use experience of the users can be improved.

In some embodiments, referring to fig. 4, the evacuation assembly 31 includes a vacuum pump 311 and a four-way valve 312. As shown in fig. 5, the vacuum pump 311 includes an inlet 3111 and an outlet 3112. As shown in fig. 6, a first end 3121 of the four-way valve 312 communicates with the sealed chamber, a second end 3122 of the four-way valve 312 communicates with the suction port 3111 of the vacuum pump 311, a third end 3123 of the four-way valve 312 communicates with the discharge port 3112 of the vacuum pump 311, and a fourth end 3124 of the four-way valve 312 communicates with the external environment. The four-way valve 312 is switchable between a first state and a second state.

When the four-way valve 312 is in the first state, the first end 3121 of the four-way valve 312 is communicated with the second end 3122, and the third end 3123 is communicated with the fourth end 3124. In this case, the sealed chamber may communicate with the suction port 3111 of the vacuum pump 311 sequentially through the first and second ends 3121 and 3122 of the four-way valve 312; the exhaust port 3112 of the vacuum pump 311 may be communicated with the external environment through the third port 3123 and the fourth port 3124 of the four-way valve 312 in this order.

That is, when the four-way valve 312 is in the first state, the inlet 3111 of the vacuum pump 311 communicates with the sealed chamber, and the outlet 3112 of the vacuum pump 311 communicates with the external environment. At this time, the vacuum pump 311 is controlled to work, so that the gas in the sealed cavity can be pumped out to the external environment.

When the four-way valve 312 is in the second state, the first end 3121 of the four-way valve 312 communicates with the third end 3123, and the second end 3122 communicates with the fourth end 3124. In this case, the sealed chamber may communicate with the exhaust port 3112 of the vacuum pump 311 sequentially through the first end 3121 and the third end 3123 of the four-way valve 312; the suction port 3111 of the vacuum pump 311 can communicate with the external environment through the second end 3122 and the fourth end 3124 of the four-way valve 312 in this order.

That is, when the four-way valve 312 is in the second state, the inlet 3111 of the vacuum pump 311 communicates with the external environment, and the outlet 3112 of the vacuum pump 311 communicates with the sealed chamber. At this time, the vacuum pump 311 is controlled to work, so that the gas in the external environment can be pumped into the sealed cavity.

Based on this, when the user needs to keep food fresh in vacuum, only need to switch the cross valve 312 to the first state to the opening of the freshness protection package that will be equipped with food is placed in the sealed intracavity, and control vacuum pump 311 work can take out the gas in the freshness protection package, thereby realizes the vacuum of food and keeps fresh. When the user needs to protect and keep fresh fragile food, the four-way valve 312 is switched to the second state, the opening of the freshness protection package containing the fragile food is placed in the sealing cavity, the vacuum pump 311 is controlled to work, and gas in the external environment can be filled into the freshness protection package, so that the fragile food is protected and kept fresh.

Wherein, through the state of switching cross valve 312, can realize pumping out and aerifing in the freshness protection package from the freshness protection package, easy operation easily realizes, is favorable to improving user's use and experiences.

Illustratively, the first state refers to a state when the four-way valve 312 is de-energized, and the second state refers to a state when the four-way valve 312 is energized.

In this case, the first state may be a state in which the four-way valve 312 is energized, and the second state may be a state in which the four-way valve 312 is de-energized. The specific choice can be made according to the actual situation, and the disclosure does not specifically limit this.

In some embodiments, referring to fig. 4, the vacuum assembly 31 further includes a first connection pipe 313, a second connection pipe 314, a suction pipe 315, and an exhaust pipe 316. One end of the first connection pipe 313 is connected to the first end 3121 of the four-way valve 312, and the other end is connected to the hermetic chamber. One end of the second connection pipe 314 is connected to the fourth end 3124 of the four-way valve 312, and the other end is connected to the external environment. The suction pipe 315 has one end connected to the second end 3122 of the four-way valve 312 and the other end connected to the suction port 3111 of the vacuum pump 311. One end of the exhaust pipe 316 is connected to the third end 3123 of the four-way valve 312, and the other end is connected to the exhaust port 3112 of the vacuum pump 311.

That is, the sealed chamber is communicated with the first end 3121 of the four-way valve 312 through the first connection pipe 313, the fourth end 3124 of the four-way valve 312 is communicated with the external environment through the second connection pipe 314, the suction port 3111 of the vacuum pump 311 is communicated with the second end 3122 of the four-way valve 312 through the suction pipe 315, and the discharge port 3112 of the vacuum pump 311 is communicated with the third end 3123 of the four-way valve 312 through the discharge pipe 316.

With this kind of mode setting, through the trend and the length that change the pipeline, can realize the adjustment of the relative position of cross valve 312, vacuum pump 311 and seal chamber, be favorable to reducing the installation accuracy of each spare part of evacuation subassembly 31 to reduce the equipment degree of difficulty of evacuation subassembly 31, improve the packaging efficiency.

In some embodiments, referring to fig. 4, the evacuation assembly 31 further includes a controller, a pressure sensor 317, and a third connecting tube 318. One end of the third connection pipe 318 is connected to the first connection pipe 313, and the other end is connected to the pressure sensor 317. The controller is electrically connected to the vacuum pump 311 and the pressure sensor 317. That is, the pressure sensor 317 is communicated with the hermetic chamber through the third connection pipe 318 and the first connection pipe 313 in this order. In this way, the vacuum state in the sealed chamber can be monitored in real time by the pressure sensor 317.

It should be noted that, in the case that the evacuation assembly 31 is used to draw the gas in the external environment into the sealed cavity, when the pressure value detected by the pressure sensor 317 is greater than or equal to the first preset value, the controller will control the vacuum pump 311 to stop working. In addition, in the case that the gas in the sealed cavity is pumped out to the external environment by using the vacuum pumping assembly 31, when the pressure value detected by the pressure sensor 317 is less than or equal to the second preset value, the controller will control the vacuum pump 311 to stop working.

By means of the arrangement, the pressure sensor 317 can be used for monitoring the processes of air suction and air inflation, and when air suction or air inflation is completed, the vacuum pump 311 can be automatically controlled to stop working, so that the phenomenon of excessive air suction or air inflation is avoided. In this way, the user experience can be improved.

In some embodiments, the evacuation assembly 31 further includes a fourth connecting tube 319 and a pressure relief valve 4. One end of the fourth connection pipe 319 is connected to the first connection pipe 313, and the other end is connected to the relief valve 4. That is, the relief valve 4 may communicate with the sealed chamber through the fourth connection pipe 319 and the first connection pipe 313 in order.

With this kind of mode setting, when accomplishing to bleed or aerify, accessible relief valve 4 communicates the seal chamber with external environment to make the pressure in the seal chamber resume to unanimous with external environment.

In some embodiments, referring to fig. 7, the evacuation assembly 31 further includes a cross-piece 5, the cross-piece 5 including a first opening 51, a second opening 52, a third opening 53, and a fourth opening 54. The first opening 51 is connected to an end of the fourth connection pipe 319 remote from the relief valve 4, and the second opening 52 is connected to an end of the third connection pipe 318 remote from the pressure sensor 317. The first connection pipe 313 includes a first sub connection pipe 3131 and a second sub connection pipe 3132. One end of the first sub-connection pipe 3131 is connected to the first end 3121 of the four-way valve 312, and the other end is connected to the third opening 53. One end of the second sub-connection pipe 3132 is connected to the fourth opening 54, and the other end is connected to the hermetic chamber.

Arranged in this way, both the fourth connection pipe 319 and the third connection pipe 318 may communicate with the first connection pipe 313 through the cross pipe 5. This is advantageous in reducing the difficulty in mounting the relief valve 4 and the pressure sensor 317.

That is to say, through setting up four-way pipe 5, be favorable to the connection between each pipeline in evacuation subassembly 31, can reduce the equipment degree of difficulty of the pipeline of evacuation subassembly 31 to improve the packaging efficiency of evacuation subassembly 31.

In some embodiments, referring to fig. 4 and 8, the vacuum pumping assembly 31 further includes a control valve 6, and the control valve 6 is disposed on a pipe of the first connection pipe 313 to connect or disconnect the first connection pipe 313.

Arranged in this way, upon completion of the suction or inflation, the first connection pipe 313 can be disconnected by the control valve 6 to block the communication of the sealed chamber with the external environment. Thus, when the vacuum pump 311 stops working during pumping, the control valve 6 can prevent the gas in the external environment from reversely entering the sealed cavity, and the vacuum environment of the sealed cavity is damaged; when the vacuum pump 311 stops working during inflation, the control valve 6 can prevent the gas in the sealed cavity from reversely entering the external environment, so that the gas amount in the sealed cavity is reduced.

It should be noted that the control valve 6 may be disposed on a pipeline of the first sub connection pipe 3131 or a pipeline of the second sub connection pipe 3132, which may be selected according to actual circumstances, and the disclosure is not limited thereto.

Illustratively, as shown in fig. 4, the control valve 6 is provided on a line of the first sub connection pipe 3131.

In some embodiments, referring to fig. 4 and 9, the vacuum assembly 31 further includes a muffler 7, and the muffler 7 is connected to an end of the second connection pipe 314 remote from the four-way valve 312. That is, the second connection pipe 314 is communicated with the external environment after passing through the muffler 7.

Wherein, through setting up muffler 7, can reduce the produced noise of vacuum pump 311 during operation effectively to improve user's use and experience.

In some embodiments, referring to fig. 10, the encapsulation means 3 comprises an upper support 32 and a lower support 33. The upper support 32 is disposed opposite to the lower support 33 and is movable in a direction toward or away from the lower support 33. When the upper holder 32 abuts against the lower holder 33, a seal chamber is formed between the upper holder 32 and the lower holder 33.

Thus, when the user uses the packaging device 3, the opening of the freshness protection package filled with food is placed between the upper support 32 and the lower support 33, and the upper support 32 is controlled to move towards the direction close to the lower support 33 to abut against the lower support 33, so that the opening of the freshness protection package can be placed in the sealing cavity. In addition, after the air inflation or air exhaust is completed, the upper support 32 can be controlled to move towards the direction away from the lower support 33 and be separated from the lower support 33, and then the freshness protection package can be conveniently taken down. Like this, be favorable to reducing getting of freshness protection package and put the degree of difficulty, improve user's use and experience.

Illustratively, referring to fig. 10, a first groove is provided on a side of the upper support 32 adjacent to the lower support 33, and a second groove is provided on a side of the lower support 33 adjacent to the upper support 32, and when the upper support 32 and the lower support 33 abut against each other, the first groove and the second groove are connected to each other to form a sealed chamber.

In some embodiments, referring to fig. 11, the packaging device 3 further comprises a driving device 34, wherein the driving device 34 is used for driving the upper support 32 to move towards or away from the lower support 33. By arranging the driving device 34 and driving the upper support 32 to move, the operation difficulty of the packaging device 3 can be reduced, and the use experience of a user is improved.

The driving mode is set in various ways, which can be selected according to actual conditions, and the present disclosure does not limit this.

Illustratively, referring to fig. 12, the driving device 34 includes a motor 341, a driving gear 342, a first reduction gear 343, a second reduction gear 344, and a rack 345. Wherein, the driving gear 342 is fixedly connected with the output shaft of the motor 341; the first reduction gear 343 is engaged with the driving gear 342; the second reduction gear 344 is coaxially disposed with the first reduction gear 343 and is engaged with the rack 345. One end of the rack 345 near the upper support 32 is connected to the upper support 32 and can move toward or away from the lower support 33.

In some embodiments, referring to fig. 13 and 14, the door body 2 includes a frame 21, and a panel 22 and a door inner 23 respectively disposed at opposite sides of the frame 21. An installation space is formed between the panel 22, the door inner 23, and the frame 21, and the package device 3 is disposed in the installation space.

On this basis, the packaging device 3 further includes an operation panel 35, a first installation opening is formed in the panel 22 of the door body 2, and the operation panel 35 is disposed in the first installation opening. Wherein, the operation panel 35 is provided with an operation opening, and one end of the freshness protection package can be put into the sealing cavity through the operation opening.

In some embodiments, referring to fig. 14, the door body 2 further includes a mounting box disposed in the mounting space and fixedly connected to the frame 21. The packaging device 3 is arranged in the mounting box.

With this kind of mode setting, be favorable to reducing packaging hardware 3's the installation degree of difficulty, improve packaging hardware 3's installation effectiveness. Further, the package device 3 can be more securely attached.

In some embodiments, referring to fig. 13, the door 2 further includes a foaming box 24, and the foaming box 24 is disposed on a side of the door inner 23 away from the panel 22 and connected to the door inner 23. Wherein, the door inner container 23 is provided with an avoiding opening at the position corresponding to the foaming box 24, and the foaming box 24 is provided with a second mounting opening. The lower support 33 is disposed in the second mounting opening and detachably connected to the foaming box 24.

Arranged in this way, after the packaging device 3 has been used for a while, the user can easily remove the lower support 33 from the door body 2 to clean the lower support 33. Thus, the use experience of the user can be further improved.

In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. A refrigerator, characterized by comprising:

the refrigerator comprises a refrigerator body, a storage chamber and a pick-and-place opening, wherein the storage chamber is formed inside the refrigerator body and is communicated with the pick-and-place opening;

the door body is connected with the box body and used for opening or closing the taking and placing opening;

the packaging device is arranged on the door body; the packaging device includes:

the cavity is sealed, and the sealing ring is arranged in the cavity,

and the vacuumizing assembly is communicated with the sealing cavity and the external environment and is used for pumping the gas in the sealing cavity to the external environment or pumping the gas in the external environment into the sealing cavity.

2. The refrigerator of claim 1, wherein the evacuation assembly comprises:

a vacuum pump including an air suction port and an air exhaust port;

the first end of the four-way valve is communicated with the sealing cavity, the second end of the four-way valve is communicated with the air suction port of the vacuum pump, the third end of the four-way valve is communicated with the air exhaust port of the vacuum pump, and the fourth end of the four-way valve is communicated with the external environment; the four-way valve can be switched between a first state and a second state;

when the four-way valve is in a first state, a first end and a second end of the four-way valve are communicated, and a third end and a fourth end of the four-way valve are communicated; and when the four-way valve is in a second state, the first end and the third end of the four-way valve are communicated, and the second end and the fourth end of the four-way valve are communicated.

3. The refrigerator of claim 2, wherein the evacuation assembly further comprises:

one end of the first connecting pipe is connected with the first end of the four-way valve, and the other end of the first connecting pipe is connected to the sealing cavity;

one end of the second connecting pipe is connected with the fourth end of the four-way valve, and the other end of the second connecting pipe is connected to the external environment;

one end of the air suction pipe is connected with the second end of the four-way valve, and the other end of the air suction pipe is connected with an air suction port of the vacuum pump;

and one end of the exhaust pipe is connected with the third end of the four-way valve, and the other end of the exhaust pipe is connected with an exhaust port of the vacuum pump.

4. The refrigerator of claim 3, wherein the evacuation assembly further comprises:

a controller electrically connected to the vacuum pump;

a pressure sensor electrically connected to the controller;

and one end of the third connecting pipe is connected with the first connecting pipe, and the other end of the third connecting pipe is connected with the pressure sensor.

5. The refrigerator of claim 4, wherein the evacuation assembly further comprises:

one end of the fourth connecting pipe is connected with the first connecting pipe;

and the pressure release valve is connected with the other end of the fourth connecting pipe.

6. The refrigerator of claim 5, wherein the evacuation assembly further comprises:

the four-way pipe comprises a first opening, a second opening, a third opening and a fourth opening; the first opening is connected with one end, far away from the pressure release valve, of the fourth connecting pipe, and the second opening is connected with one end, far away from the pressure sensor, of the third connecting pipe;

the first connection pipe includes a first sub connection pipe and a second sub connection pipe; one end of the first sub-connecting pipe is connected with the first end of the four-way valve, and the other end of the first sub-connecting pipe is connected with the third opening; one end of the second sub-connecting pipe is connected with the fourth opening, and the other end of the second sub-connecting pipe is connected to the sealed cavity.

7. The refrigerator of claim 3, wherein the evacuation assembly further comprises:

and the control valve is arranged on the pipeline of the first connecting pipe and used for connecting or disconnecting the first connecting pipe.

8. The refrigerator of claim 3, wherein the evacuation assembly further comprises:

and the silencer is connected with one end of the second connecting pipe, which is far away from the four-way valve.

9. The refrigerator according to any one of claims 1 to 8, wherein the packing means comprises:

a lower support seat is arranged on the lower support seat,

the upper support is arranged opposite to the lower support and can move towards the direction close to or far away from the lower support;

when the upper support abuts against the lower support, the sealing cavity is formed between the upper support and the lower support.

10. The refrigerator according to claim 9, further comprising:

and the driving device is used for driving the upper support to move towards the direction close to or far away from the lower support.

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