CN113883788A

CN113883788A - Refrigerator with a door

Info

Publication number: CN113883788A
Application number: CN202010627827.0A
Authority: CN
Inventors: 王美艳; 杨保强; 刘铁伟; 张建; 张宇
Original assignee: Hisense Shandong Refrigerator Co Ltd
Current assignee: Hisense Shandong Refrigerator Co Ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2022-01-04
Also published as: WO2022000818A1

Abstract

The invention provides a refrigerator. A refrigerator comprises a refrigerator body and a vacuum packaging structure. First installation cavity has been seted up to the shell, and the second installation cavity has been seted up to the inner bag, and first installation cavity and second installation cavity intercommunication. The vacuum packaging structure comprises: the vacuum pumping device comprises a first support, a second support and a vacuum pumping assembly, wherein the first support, the second support and the vacuum pumping assembly are installed in a first installation cavity, the first support and the second support can move relatively to form a vacuum pumping cavity, the vacuum pumping assembly is communicated with the vacuum pumping cavity, and the vacuum pumping assembly is used for vacuumizing or relieving pressure of the vacuum pumping cavity. One side of the second support, which is close to the inner container, is provided with a heat preservation door, the heat preservation door is detachably mounted at the opening of the second mounting cavity, the second support can be detached from the second mounting cavity through the heat preservation door, and the heat preservation door is provided with a handle which is rotatably connected. The locking structure is used for locking the heat preservation door on the inner container, and the handle rotates to drive the locking structure to unlock or lock the heat preservation door. The refrigerator can facilitate a user to clean food residues scattered on the second support.

Description

Refrigerator with a door

Technical Field

The invention relates to a household appliance, in particular to a refrigerator.

Background

A refrigerator is an appliance that maintains a low temperature by keeping food or other items in a constant low temperature cold state to avoid spoilage. Along with the increasing living standard of people, the fresh-keeping demand of people on food materials is also higher and higher.

Aiming at the problem of food material fresh-keeping storage, the vacuum fresh-keeping technology is applied to the field of refrigerators. At present, a refrigerator forms a certain vacuum area by arranging a vacuum drawer in a refrigerator body, and the refrigerator performs vacuum preservation on food materials in the vacuum area. However, in the above vacuum preservation method, due to the space limitation of the vacuum drawer, a user generally needs to perform a vacuum pumping operation after all food materials needing vacuum preservation are placed in the vacuum drawer, so that the interior of the vacuum drawer is in a relatively vacuum state. Then, when a certain food material in the vacuum drawer needs to be used, the vacuum drawer needs to be opened, and the vacuum state of the original vacuum drawer is destroyed. If the vacuum preservation needs to be continuously carried out, the vacuum drawer needs to be repeatedly vacuumized again, so that the waste of resources is caused. Therefore, when the vacuum drawer is used for vacuum preservation of the traditional refrigerator, the vacuum preservation efficiency is low, and the popularization and the application of the vacuum preservation technology are not facilitated.

Disclosure of Invention

The invention provides a refrigerator which can increase the vacuum fresh-keeping space and improve the vacuum fresh-keeping efficiency.

A refrigerator, comprising:

the refrigerator comprises a refrigerator body, a storage box and a control device, wherein a low-temperature storage space is formed in the refrigerator body, and the refrigerator body comprises a shell and an inner container; the shell is provided with a first installation cavity, the inner container is provided with a second installation cavity, and the first installation cavity is communicated with the second installation cavity;

vacuum packaging structure, including: the device comprises a first support, a second support and a vacuumizing assembly, wherein the first support, the second support and the vacuumizing assembly are arranged in a first mounting cavity, the first support and the second support can move relatively to form a vacuumizing cavity, the vacuumizing assembly is communicated with the vacuumizing cavity, and the vacuumizing assembly is used for vacuumizing or decompressing the vacuumizing cavity;

a heat preservation door is arranged on one side, close to the liner, of the second support, the heat preservation door is detachably mounted at an opening of the second mounting cavity, the second support can be detached from the second mounting cavity through the heat preservation door, and the heat preservation door is provided with a handle in rotatable connection; the vacuum packaging structure further comprises a locking structure, the locking structure is used for locking the heat-preservation door on the inner container, and the handle rotates to drive the locking structure to unlock or lock the heat-preservation door.

In one embodiment, the locking structure comprises a first clamping part arranged on the handle and a second clamping part arranged on the inner container; the first clamping portion and the second clamping portion can be in limited clamping connection, the handle rotates to drive the first clamping portion to be capable of being switched between a first position and a second position, the first clamping portion and the second clamping portion can be matched to achieve locking and positioning of the heat-preservation door when the first clamping portion is at the first position, the first clamping portion and the second clamping portion can be separated when the first clamping portion is at the second position, and unlocking and dismantling of the heat-preservation door are achieved.

In one embodiment, the locking structure includes an elastic member, the elastic member is disposed between the handle and the thermal insulation door in a limited manner, the handle rotates to the second position to elastically deform the elastic member, the first engaging portion and the second engaging portion are unlocked, the thermal insulation door can be detached from the inner container, and when the elastic member recovers the elastic deformation, the handle returns to the first position to lock the thermal insulation door.

In one embodiment, the elastic member includes a spiral tube, a first arm and a second arm, the first arm is mounted on the handle, the second arm is in limit abutment with the thermal insulation door, the handle rotates, and the first arm and the second arm move relatively.

In one embodiment, two ends of the handle are respectively provided with a lug, two ends of the thermal insulation door are correspondingly provided with a via hole, the lug penetrates through the via hole to enable the lug to enter the thermal insulation door, and the lug is provided with a guide groove for mounting the first arm.

In one embodiment, the guide slot is elongated, and the handle rotates to drive the first arm to rotate, and the first arm moves along the guide slot.

In one of them embodiment, the handle is located the outside of heat preservation door, the both ends of handle are equipped with the linking arm, first shaft hole has been seted up on the linking arm, the heat preservation door is located two between the linking arm, the both sides of heat preservation door are equipped with the second shaft hole, first shaft hole with rotatable coupling is realized through the pivot in the second shaft hole.

In one embodiment, the rotating shaft penetrates and connects the two first shaft holes and the two second shaft holes.

In one embodiment, the inner container further comprises a fixing seat, the fixing seat is fixedly arranged on the inner container, the fixing seat is provided with a dismounting opening, and the dismounting opening is opposite to the opening of the second mounting cavity and is communicated with the second mounting cavity.

In one embodiment, when the locking structure locks the insulated door, the outer side surface of the insulated door facing the low-temperature storage space is flush with the outer side surface of the handle facing the low-temperature storage space.

The refrigerator is provided with the vacuum packaging structure, the vacuum packaging structure can vacuumize the packaging bag and package the packaging bag, and therefore independent and vacuum packaging of various food materials is achieved. Therefore, when the refrigerator keeps fresh, the preservation effect is good, and the situation of vacuumizing for many times can not occur. Therefore, compared with the traditional refrigerator, the vacuum refreshing space range of the refrigerator is not limited to the space size of the vacuum drawer, the vacuum refreshing range of the refrigerator is expanded, and the vacuum refreshing efficiency of the refrigerator is improved.

In the vacuum packaging structure, the second support in the vacuum packaging structure can be detached from the door body; can convenience of customers clearance at the unrestrained food waste of evacuation in-process, user experience is good, has improved the intelligent degree of refrigerator.

And the second support can realize the locking and unlocking of the heat preservation door and the second support through the locking structure. And the locking and unlocking states of the second support are realized by rotating the handle, so that the operation is convenient, and the user experience is higher.

Drawings

Fig. 1 is a perspective view of a refrigerator of the present embodiment;

FIG. 2 is an exploded view of the door of the refrigerator shown in FIG. 1;

FIG. 3 is an exploded view of another angle of the door body shown in FIG. 2;

FIG. 4 is a cross-sectional view of the door body shown in FIG. 2;

FIG. 5 is a cross-sectional view of the door body of FIG. 4 in another state;

FIG. 6 is an exploded view of a thermal door of the door body shown in FIG. 3;

FIG. 7 is an exploded view of the second pedestal and the thermal door shown in FIG. 6;

FIG. 8 is an exploded view of the second pedestal of FIG. 7 at another angle with respect to the thermal door;

FIG. 9 is a perspective view of another angle of the panel shown in FIG. 7;

FIG. 10 is a cross-sectional view of the panel of FIG. 8 in connection with the pull handle;

FIG. 11 is a cross-sectional view of the panel of FIG. 10 shown in relative rotation with the pull handle;

FIG. 12 is a perspective view of the spring shown in FIG. 7;

FIG. 13 is a perspective view of the pull handle shown in FIG. 7 from another angle;

FIG. 14 is a schematic view illustrating a process of detaching the thermal door and the second holder from the door body shown in FIG. 5;

FIG. 15 is a view showing an assembly process of the thermal door shown in FIG. 14 with the second holder;

fig. 16 is a schematic structural view of the assembled thermal insulating door and the second bracket shown in fig. 14.

The reference numerals are explained below: 1. a refrigerator;

2. a box body; 22. a door body; 221. a first mounting cavity; 222. an insertion opening; 23. a housing; 24. an inner container; 241. a second mounting cavity;

3. a vacuum packaging structure; 31. a first support; 311. a first cavity; 312. a first seal ring; 314. a stopper rib; 32. a second support; 321. a second cavity; 322. a second seal ring;

33. a mounting seat; 330. connecting lugs;

34. a heat preservation door; an insulating layer 340; 341. a base plate; 342. a panel; 343. buckling; 344. a card slot; 345. a handle; 3451. a connecting arm; 3452. a first shaft hole; 3421. a second shaft hole; 3454. a lug; 3456. a guide groove; 346. a rotating shaft; 347. an avoidance groove; 348. a via hole; 349. 3459, reinforcing ribs;

35. a vacuum pumping assembly; 351. a vacuum pump; 352. a pressure detection device; 353. a pressure relief device;

36. vacuumizing the cavity;

37. a locking structure; 371. a first engaging portion; 372. a second engaging portion; 373. a fixed seat; 3730. a disassembly port; 3731. a fixing sheet; 3732. sealing the door; 3711. a first clamping surface; 374. an elastic member; 3741. a spiral tube; 3742. a first arm; 3743. a second arm; 3744. a bending section;

38. a package assembly;

4. closing the plate; 80. packaging bags; 9. and (4) screws.

Detailed Description

Exemplary embodiments that embody features and advantages of the invention are described in detail below in the specification. It is to be understood that the invention is capable of other embodiments and that various changes in form and details may be made therein without departing from the scope of the invention and the description and drawings are to be regarded as illustrative in nature and not as restrictive.

When a user packs food by using the vacuum packing machine, in the process of vacuum suction, inevitable part of liquid of food with water or soup can be subjected to the lower cover of the packing machine, and the containing cavity of the lower cover can collect the liquid. The liquid of these foods needs to be cleaned in time to avoid deterioration or mildew, making the packaging machine unsanitary.

The above problems are also encountered with the refrigerator to which the vacuum packing machine is applied. In addition, in the vacuum packaging structure of the refrigerator, when the upper cover and the lower cover move vertically, the separation distance between the upper cover and the lower cover is limited due to the limitation of the upper space of the refrigerator, and the lower cover is inconvenient to clean. Aiming at the problem, a new layout mode of the door body is developed, and the vacuum packaging machine is convenient to install and clean.

The application provides a refrigerator. The refrigerator can be an open-door type refrigerator with double doors, multiple doors, a French door, a cross door and the like. The kind of the refrigerator is not limited herein.

Referring to fig. 1, a low temperature storage space is formed inside a cabinet 1. The refrigerator 1 includes a cabinet 2. The case 2 is substantially rectangular parallelepiped. The cabinet 2 includes a door 22 and a storage chamber for storing food. One side of the storage chamber is opened. The door 22 is provided with an opening of the storage chamber and can close the storage chamber. And, the inside of the storage room forms a storage space of the refrigerator 1. The interior of the box body 2 can be divided into a plurality of independent functional spaces according to different use functions, and the functional spaces can comprise a refrigerating chamber, a freezing chamber, a quick freezing chamber, a thawing chamber and the like.

As for the arrangement of the plurality of functional spaces, generally, the refrigerating chamber is located above the cabinet 2, and the freezing chamber is located below the cabinet 2. It is understood that, for other types of refrigerators, the distribution of the spaces on the box body 2 may be in other manners, which is not limited herein.

The door bodies 22 may be disposed between the functional spaces, respectively, to seal the functional spaces. Alternatively, a plurality of functional spaces may share one door body 22 to seal the plurality of functional spaces at the same time. Here, the correspondence between the door 22 and the functional space is not limited.

The door 22 includes a casing 23, an inner container 24, and a heat insulating layer disposed between the casing 23 and the inner container 24. The heat insulating layer can be filled with foaming materials. The housing 23 defines a first mounting cavity 221. The inner container 24 is provided with a second mounting cavity 241, and the first mounting cavity 221 is communicated with the second mounting cavity 241.

Referring to fig. 2 and 3, the refrigerator 11 of the present embodiment further includes a vacuum sealing structure 3 disposed on the refrigerator body 2. The vacuum sealing structure 3 may be provided on an inner wall or an outer wall of the door 22 of the cabinet 2, or may be provided on an inner wall or an outer wall of the storage chamber. In order to meet the use habit of most users, the vacuum packaging structure 3 is disposed on the outer side wall of the door 22 of the box body 2.

The vacuum packing mechanism 3 is fixedly mounted in the first mounting chamber 221 and the second mounting chamber 241 by screws 9, expansion screws, and the like. And, the first mounting cavity 221 is opened at the middle upper portion of the door 22, and the vacuum packaging structure 3 is located at the middle position of the refrigerator 1. The user can directly face the vacuum packaging structure, and the operation height of the vacuum packaging structure 3 also meets the requirement of ergonomic design.

And, a sealing plate 4 is provided at an opening of the first mounting cavity 221 of the door body 22. The closing plate 4 is used to close the first mounting cavity 221. The closing plate 4 is opened with an insertion opening 222 for inserting the packaging bag. The insertion port 222 communicates with the first mounting cavity 221. The insertion opening 222 is disposed on the door 22, so as to facilitate the user's use and operation.

In this embodiment, the sealing plate 4 may be a display control plate. The vacuum packaging structure 3 is electrically connected with the display control panel. On one hand, the display and control board 4 can display the working state of the vacuum packaging structure 3. On the other hand, the working process of the vacuum packaging structure 3 can be controlled by touching or pressing the display control panel 4.

The vacuum package structure 3 includes a first support 31, a second support 32, a mounting base 33, a vacuum pumping assembly 35 and a package assembly 38.

The first support 31 and the second support 32 are the main frame structure of the vacuum packaging structure 3. The first support 31 and the second support 32 may be moved toward or away from each other to complete the gripping and separating of the packages 80.

Referring to fig. 3, in particular, the first support 31 and the second support 32 move towards each other to hold the packing bag 80. After the vacuum packaging structure 3 vacuumizes and seals the packaging bag 80, the first support 31 and the second support 32 can be separated from each other, so that the packaging bag 80 can be taken off from the vacuum packaging structure 3 to complete the vacuum sealing packaging.

As for the kinematic relationship between the first mount 31 and the second mount 32, there may be: the first support 31 moves towards or away from the second support 32; alternatively, the second support 32 moves toward or away from the first support 31; alternatively, the first support 31 and the second support 32 both move toward or away from each other. The movement manner between the first holder 31 and the second holder 32 is not limited, and the first holder 31 and the second holder 32 may be moved closer to and away from each other. The first holder 31 and the second holder 32 may be driven manually, or may be driven electrically or pneumatically. The vacuum packaging structure 3 of the present embodiment includes a driving device. The driving device can control the first support 31 and/or the second support 32 to automatically lift and move, so that automatic vacuum packaging is realized, and the automation performance of the refrigerator 1 is improved.

The positions where the first holder 31 and the second holder 32 are disposed may be determined according to the usage habit of the user, the space division of the door 22 of the refrigerator 1, and the like. The first support 31 and the second support 32 may be arranged on the door 22 in an up-down opposite manner; alternatively, the first support 31 and the second support 32 may be arranged on the door 22 in a manner of being opposite to each other left and right; even, the first holder 31 and the second holder 32 may be obliquely disposed on the door 22. The description of "up, down, left, right" here is that the refrigerator 1 is placed upright and vertically, and the directions of up, down, left, right, etc. when facing the refrigerator.

Referring to fig. 4, in the present embodiment, the first support 31 is disposed above the second support 32. And, the first holder 31 moves downward with respect to the second holder 32, so that the first holder 31 and the second holder 32 are butted against each other. The mode that first support 31 and second support 32 set up relatively from top to bottom can more accord with user's use habit, and first support 31 pushes down and holds wrapping bag 80 on the second support 32, and convenience of customers holds the left and right sides both ends of wrapping bag 80, can avoid eating the material in wrapping bag 80 and empty etc..

In the present embodiment, the first support 31 and the second support 32 are movable relative to each other to form the evacuation chamber 36. The first holder 31 is provided with a first cavity 311 and the second holder 32 is provided with a second cavity 322. The first seat 31 is adapted to the shape of the second seat 32. When the first seat 31 and the second seat 32 move towards each other and are butted against each other, the first cavity 311 and the second cavity 322 enclose a sealed vacuum pumping chamber 36.

A stopper rib 314 is disposed in the first cavity 311 or the second cavity 321 for stopping the packaging bag 80 inserted into the evacuation cavity 36 to prevent the opening position of the packaging bag 80 from extending out of the evacuation cavity 36. Specifically, the stopping rib 314 is disposed in the first cavity 311, and the height of the stopping rib 314 is greater than the depth of the first cavity 311. The stop rib 314 blocks further insertion of the bag 80 into the evacuation lumen 36 when the user inserts the bag. And, there is the clearance between the bottom of second cavity 322 and the backstop muscle 314 to keep unobstructed the air.

In other embodiments, the vacuum pumping chamber 36 may further include an in-position detection device, and specifically, a microwave sensor or an infrared sensor may be used to detect whether a package is inserted into the vacuum pumping chamber 36, and send a signal indicating whether the package is in-position, so as to control the vacuum pumping operation.

Specifically, the first support 31 has a first sealing groove formed on the periphery of the first cavity 311, and a first sealing ring 312 is disposed in the first sealing groove. The second seat 32 has a second sealing groove formed around the second cavity 322. A second sealing ring 322 is also arranged in the second sealing groove. The first support 31 and the second support 32 are in sealing connection through the first sealing ring 312 and the second sealing ring 322, so that the sealing performance of the vacuum pumping chamber 36 is improved.

The insertion opening 222 is connected to the evacuation chamber 36, and the package 80 can enter the evacuation chamber 36 through the insertion opening 222. The packing bag 80 can enter the evacuation chamber 36 directly from the outside of the door 22. The opening of the packing bag 80 is positioned in the evacuation chamber 36 and the inner space of the packing bag 80 is communicated with the evacuation chamber 36 through the opening and forms a complete closed chamber. When the user packaging bag 80 is vacuum-sealed, the packaging bag can be directly inserted into the insertion hole 222 on the outer side of the box body 2, so that the operation can be implemented, and the operation is convenient and fast.

The vacuum pumping assembly 35 is communicated with the vacuum pumping chamber 36, and the vacuum pumping assembly 35 is used for pumping vacuum or relieving pressure to the vacuum pumping chamber 36. The vacuum pumping assembly 35 is fixedly mounted in the first mounting cavity 221 of the door 22 through the mounting seat 33. Specifically, in the present embodiment, a coupling lug 330 is provided at an edge position of the mounting seat 33, and the mounting seat 33 is fixedly coupled to the door body 22 via the coupling lug 330. The connecting lug 330 may be in the form of a snap, a slot, a screw hole, etc.

The mount 33 is mounted above the first mount 31. In another embodiment, the mounting seat 33 may be mounted below the first support 31 according to the spatial layout of the door 22. The mount 33 is attached to the door 22 and has a shape adapted to the shape of the door 22. The mounting seat 33 has a plate-like structure, and the mounting direction of the mounting seat 33 is parallel to the direction of the door 22. The mounting seat 33 is parallel to one side of the door 22 for mounting the vacuum pumping assembly.

Referring to fig. 2, the mounting base 33 is used for carrying a vacuum pumping assembly 35. The evacuation assembly 35 includes a vacuum pump 351, a pressure detection device 352, and a pressure relief device 353. The vacuum pump 351 is used to evacuate the evacuation chamber 36. The pressure detecting device 352 is used for detecting the pressure inside the vacuum pumping chamber 36. The pressure relief device 353 is used for relieving the evacuation chamber 36. The mounting seat 33 is provided with a limiting rib for mounting the vacuum pump 351, the pressure detection device 352 and the pressure relief device 353.

The mounting seat 33 may be a plate-shaped structure integrally injection-molded. The limiting ribs are also integrally formed by injection molding. The vacuumizing assembly 35 is mounted on the mounting base 33 through a limiting rib. This mount pad 33's simple structure need not additionally to increase the assembly that the subassembly can accomplish the evacuation subassembly, convenient operation.

After the evacuation is completed, the packaging assembly 38 is used to seal the opening of the package 80. The package assembly 38 is mounted in the first holder 31. The packing assembly 38 is located on one side of the evacuation chamber 36 and corresponds to the sealing position of the package. When the packing module 38 completes the packing operation of the packing bag 80, the driving device drives the first support 31 to move in the reverse direction, so that the first support 31 is away from the second support 32, and the packing bag 80 can be removed from the vacuum packing apparatus 3.

During the process of vacuuming and packaging the packaging bag 80, dust and liquid are inevitably sucked out of or scattered from the packaging bag 80, and the scattered dust and liquid are accumulated in the second cavity 321 of the second pedestal 32. As shown in fig. 5, in order to clean the second support 32 conveniently, the second support 32 of the refrigerator of this embodiment is detachably disposed on the inner container of the refrigerator body.

The second support 32 is provided with a heat preservation door 34 near one side of the inner container 24. The thermal insulation door 34 is detachably installed at an opening of the second installation cavity 241, and the second support 32 can be detached from the second installation cavity 241 through the thermal insulation door 34. The inner container 24 of the refrigerator body 2 has the functions of heat preservation and heat insulation so as to ensure that the storage space of the refrigerator 1 keeps a lower fresh-keeping temperature. The inner container 24 is provided with a second mounting cavity 241. The heat preservation door 34 is provided with a heat preservation layer 340, so that the heat preservation door 34 can cover the opening of the second installation cavity 241 to ensure that the inner container 24 of the whole refrigerator 1 can keep heat preservation and heat insulation at the position of the second installation cavity 241. Therefore, the heat preservation door 34 can maintain the heat preservation performance of the inner container 24.

Referring to fig. 6 and 7, in the present embodiment, the thermal door 34 includes a bottom plate 341 and a face plate 342. The bottom plate 341 and the face plate 342 are spliced together to form a box body, and the heat-insulating layer 340 is filled in the box body, i.e. the heat-insulating door 34 is formed. The bottom plate 341 is connected to the second holder, and the face plate 342 faces the inside of the case. Also, the base plate 341 and the second holder 32 may be an integral structure.

Referring to fig. 8 and 9, the bottom plate 341 and the faceplate 342 are provided with a latch 343 and a slot 344 at the peripheral edge of the bottom plate 343 and the faceplate 342, and the latch 343 and the slot 344 are engaged with each other to connect the bottom plate 341 and the faceplate 342. In other embodiments, the bottom plate 341 and the face plate 342 may be screwed by bolts.

Referring to fig. 7, the insulated door 34 is provided with a rotatably connected handle 345. The handle 345 is disposed outside the panel 342 and rotatably connected to the panel 342. Specifically, the handle 345 is disposed on the outer side of the thermal insulation door 34, and the connecting arms 3451 are disposed at both ends of the handle 345. The connecting arm 3451 has a first shaft hole 3452. The thermal insulation door 34 is disposed between the two connecting arms 3451, and second shaft holes 3421 are disposed on two sides of the thermal insulation door 34. The first shaft hole 3452 and the second shaft hole 3421 are rotatably connected by the rotation shaft 346.

Referring to fig. 8, one rotating shaft 346 is provided, and the rotating shaft 346 penetrates through the two first shaft holes 3452 and the two second shaft holes 3421. A pivot 346 increases the strength of the connection between the handle 345 and the insulated door 34 and ensures consistent rotation of the handle 345 relative to the insulated door 34.

Referring to fig. 9, a plurality of ribs 349 are disposed on a side surface of the thermal insulation door 34 facing the second installation cavity 241. The rib 349 is formed with an escape groove 347 for accommodating and fixing the rotation shaft 346. The avoiding groove 347 can ensure that the rotating shaft 346 is stably arranged on the heat preservation door 34, prevent the rotating shaft 346 from deforming or moving, and reduce the reliability of the rotation of the handle 345. Similarly, the handle 345 is provided with a plurality of ribs 3459 on the side facing the second mounting cavity 241, and the ribs 3459 can enhance the strength of the handle 345.

The vacuum packaging structure further comprises a locking structure 37. The locking structure 37 is used to lock the thermal door 34 to the inner container 24, and the handle 345 is rotated to drive the locking structure 37 to unlock or lock the thermal door 34.

Referring to fig. 13 and 14, in the present embodiment, the locking structure 37 includes a first engaging portion 371 and a second engaging portion 372. The first engaging portion 371 and the second engaging portion 372 can be engaged and connected in a limited manner. Specifically, the first engaging portion 371 is disposed on the handle 345, and the second engaging portion 372 is disposed on the inner container 34. The handle 345 rotates to drive the first engaging portion 371 to switch between a first position and a second position, the first engaging portion 371 can be matched with the second engaging portion 372 to realize locking and positioning of the thermal insulation door 34 when in the first position, and the first engaging portion 371 can be separated from the second engaging portion 372 when in the second position to realize unlocking and dismounting of the thermal insulation door 34.

Specifically, in the present embodiment, the first engagement portion 371 is provided on a side surface of the handle 345 facing the inner container 24. Specifically, the first engaging portion 371 is a hook. Hooks may be provided at both ends of the handle 345, and the hooks may be provided on the connection arm 3451.

Referring to fig. 6, the locking structure 37 further includes a fixing seat 373. The fixing seat 373 is fixedly disposed on the inner container 24. The fixing seat 373 is provided with a detaching opening 3730, the detaching opening 3730 is opposite to the opening of the second mounting cavity 241, and the detaching opening 3730 is communicated with the second mounting cavity 241. The fixing seat 373 has a frame shape. The fixing seat 373 covers an opening of the second mounting cavity 241 on one side of the inner container 24, so as to protect the inner container 24 at the opening.

The fixing seat 373 includes a fixing plate 3731 and a door seal 3732. The fixing piece 3731 is used to be fixedly connected to the inner container 24. The detaching port 3730 is opened at the middle portion of the fixing piece 3731. The fixing piece 3731 is fixedly connected to the inner bag 24 by a screw. The second engaging portion 372 is fixed to the outer side surface of the fixing piece 3731, and the second engaging portion 372 is fixed.

The dock seal 3732 is wrapped around the perimeter of the removal opening 3730. The door seal 3732 can ensure that the heat-insulating door 34 and the fixing seat 373 are sealed, so as to prevent heat from flowing away from the edges of the heat-insulating door 34 and the detaching opening 3730.

Specifically, in the present embodiment, the first engaging portion 371 is a hook. The second engaging portion 372 is a locking groove, the handle 345 rotates to drive the hook to be switched between a first position and a second position, the hook can be matched with the locking groove to lock and position the heat preservation door 34 when the hook is at the first position, and the hook is separated from the locking groove when the hook is at the second position to unlock and disassemble the heat preservation door 34.

In other embodiments, the first engaging portion 371 may be a slot, and correspondingly, the second engaging portion 372 may be a hook. Alternatively, the first engaging portion 371 may be a snap, an elastic latch, or the like. The second engaging portion 372 may also be in the form of a groove. The specific structure of the first opening and closing portion 371 and the second engaging portion 372 is not limited herein.

Referring to fig. 15, the hook is disposed on the first fastening surface 3711. The clamping groove is provided with a second clamping surface 3721. The first holding surface 3711 abuts against the second holding surface 3721, so as to increase the contact area between the first engaging portion 371 and the second engaging portion 372, and ensure that the first engaging portion 371 and the second engaging portion 372 are stably held.

When the first retaining surface 3711 abuts against the second retaining surface 3721, the outer side of the thermal door 34 facing the low-temperature storage space is flush with the outer side of the handle 345 facing the low-temperature storage space. When the refrigerator door 22 is opened, the outer side surface of the thermal insulation door 34 facing the low-temperature storage space and the outer side surface of the handle 345 facing the low-temperature storage space are appearance surfaces. Therefore, the insulated door 34 remains flush with the appearance of the pull 345. The handle 345 does not affect the overall planarity of the inner container 24 of the refrigerator, and the handle 345 is prevented from protruding to affect the refrigerating space inside the refrigerator.

In another embodiment, the fixing seat 373 may be omitted, and the second engaging portion 372 is directly fixed to the inner container 24. The first engaging portion 371 and the second engaging portion 372 can also realize the engagement locking.

Referring to fig. 10 and 11, the locking structure 37 further includes an elastic member 374. The elastic member 374 is arranged between the handle 345 and the thermal insulation door 34, and the elastic member 374 is limited between the handle 345 and the inner container 24. The resilient member 374 has a certain amount of preload. Referring to fig. 10, when the initial position of the handle 345 is the first position, the elastic member 374 has a certain pressure on the handle 345. Referring to fig. 11, when the handle 345 rotates to the second position, the elastic member 374 elastically deforms, and the first engaging portion 371 and the second engaging portion 372 disengage, so as to unlock the thermal door 34, and the thermal door 34 can be detached from the inner container 24. When the handle 345 is released, the elastic member 374 returns to elastic deformation, the handle 345 returns to the first position, and the locking structure 37 locks the thermal door 34 again.

Referring to fig. 12, in particular, the elastic member 374 includes a coil 3741, a first arm 3742 and a second arm 3743. The first arm 3742 and the second arm 3743 are respectively located at the front and rear ends of the spiral tube 3741. The rotation shaft 346 passes through the spiral tube 3741 and is rotatably coupled to the elastic member 374. The first arm 3742 is mounted on the handle 345, the second arm 3743 is limited and abutted on the heat preservation door 34, the handle 345 rotates, and the first arm 3742 and the second arm 3743 move relatively. Specifically, the elastic member 374 may be a torsion spring.

Referring to fig. 13, two ends of the handle 345 are respectively provided with a lug 3454, two ends of the thermal insulation door 34 are correspondingly provided with a through hole 348, and the lug 3454 passes through the through hole 348, so that the lug 3454 is located between the thermal insulation door 34 and the inner container 24. The lug 3454 defines a guide slot 3456 for mounting the first arm 3742. Referring to fig. 10 and 11, the guide groove 3456 is elongated, the handle 345 rotates to drive the first arm 3472 to rotate, and the first arm 3742 moves along the guide groove 3456.

Specifically, the first arm 3742 is provided with a bending portion 3744, and the bending portion 3744 is slidably disposed in the guiding groove 3456. The bent portion 3744 may facilitate the connection of the first arm 3472 with the guide groove 3456.

Referring to fig. 14, when it is required to detach the second support 32, the handle 345 is pulled, the handle 345 rotates along the rotation shaft 346, the first arm 3742 of the elastic member 374 rotates around the rotation shaft 346 and moves along the guide groove 3456, and the elastic member 374 is compressed. Meanwhile, the first engaging portion 371 and the second engaging portion 372 on the handle 345 are separated, so that the locking structure 37 is unlocked, and at this time, the thermal insulation door 34 can be detached from the door body 22, and the second support 32 can be cleaned.

Referring to fig. 15 and 16, when the second holder 32 and the thermal insulating door 34 are re-installed after the cleaning is completed, the second holder 32 is first installed into the first installation cavity 221 from the detaching opening 3730 of the fixing seat 373. Then, the handle 345 is pressed down, the first engaging portion 371 of the handle 345 is rotated and can be prevented by the second engaging portion 372, and the thermal door 34 can enter the second mounting chamber 241. When the second support 32 and the thermal insulation door 34 are in place, the handle 345 is released, the elastic member 374 in the locking structure 37 recovers elastic deformation, the first arm 3742 rotates reversely around the rotating shaft 346 and moves back along the guide groove 3456, so that the first engaging portion 371 and the second engaging portion 372 recover a locking state of relative engaging and abutting, and at this time, the handle 345 is flush with the appearance surface of the panel 342 of the thermal insulation door 34.

In the refrigerator 1 of the present embodiment, the vacuum packaging structure 3 is used to vacuumize and package the packaging bag 80, so that independent and vacuum packaging of various food materials is realized. Therefore, when the vacuum preservation is carried out on the multiple food materials, the mutual influence cannot be generated, and the mutual pollution cannot be generated among the food materials. And when the food materials are taken out, the packaging bags filled with the corresponding food materials can be taken out respectively. The vacuum state of one packaging bag is destroyed, and the vacuum state of other packaging bags is not influenced. The packaging bag filled with other food materials can be kept in a vacuum state all the time, and the situation of multiple times of vacuumizing is not needed. Therefore, compared with the traditional refrigerator, the vacuum refreshing space range of the refrigerator of the embodiment is not limited to the space size of the vacuum drawer, the vacuum refreshing range of the refrigerator 1 is expanded, and the vacuum refreshing efficiency of the refrigerator 1 is improved.

In the vacuum packaging structure, the second support 32 in the vacuum packaging structure can be detached from the door 22; can convenience of customers clearance at the unrestrained food waste of evacuation in-process, user experience is good, has improved the intelligent degree of refrigerator.

The second holder 32 can lock and unlock the thermal insulating door 34 and the second holder 32 by the locking structure 37. In addition, the locking and unlocking states of the second support 32 are realized by rotating the handle 345, so that the operation is convenient, and the user experience is high.

While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims

1. A refrigerator, characterized by comprising:

2. The refrigerator as claimed in claim 1, wherein the locking structure includes a first engaging portion provided at the handle, and a second engaging portion provided at the inner container; the first clamping portion and the second clamping portion can be in limited clamping connection, the handle rotates to drive the first clamping portion to be capable of being switched between a first position and a second position, the first clamping portion and the second clamping portion can be matched to achieve locking and positioning of the heat-preservation door when the first clamping portion is at the first position, the first clamping portion and the second clamping portion can be separated when the first clamping portion is at the second position, and unlocking and dismantling of the heat-preservation door are achieved.

3. The refrigerator as claimed in claim 2, wherein the locking structure includes an elastic member, the elastic member is disposed between the handle and the thermal door in a limited manner, the handle rotates to the second position to elastically deform the elastic member, the first engaging portion and the second engaging portion are unlocked, the thermal door is detachable from the inner container, and when the elastic member returns to the elastic deformation, the handle returns to the first position to lock the thermal door.

4. The refrigerator as claimed in claim 3, wherein the elastic member includes a spiral tube, a first arm and a second arm, the first arm is mounted on the handle, the second arm is limited and abutted against the thermal insulation door, the handle rotates, and the first arm and the second arm move relatively.

5. The refrigerator as claimed in claim 4, wherein the handle has a protrusion at each end, the door has a through hole at each end, the protrusion passes through the through hole to enter the door, and the protrusion has a guide slot for mounting the first arm.

6. The refrigerator as claimed in claim 5, wherein the guide groove is elongated, the first arm is rotated by the rotation of the handle, and the first arm moves along the guide groove.

7. The refrigerator as claimed in claim 5, wherein the handle is disposed at an outer side of the thermal insulation door, connecting arms are disposed at two ends of the handle, a first shaft hole is disposed on the connecting arms, the thermal insulation door is disposed between the two connecting arms, second shaft holes are disposed at two sides of the thermal insulation door, and the first shaft hole and the second shaft hole are rotatably connected through a rotating shaft.

8. The refrigerator as claimed in claim 7, wherein the number of the rotation shaft is one, and the rotation shaft is connected to the two first shaft holes and the two second shaft holes in a penetrating manner.

9. The refrigerator as claimed in claim 1, further comprising a fixing seat, wherein the fixing seat is fixedly disposed on the inner container, the fixing seat is provided with a detaching opening, and the detaching opening is opposite to the opening of the second mounting cavity and is communicated with the second mounting cavity.

10. The refrigerator as claimed in any one of claims 1 to 9, wherein an outer side of the thermal door facing the low-temperature storage space is flush with an outer side of the handle facing the low-temperature storage space when the locking structure locks the thermal door.