CN113865212A

CN113865212A - Vacuum fresh-keeping device and refrigerator

Info

Publication number: CN113865212A
Application number: CN202111194011.4A
Authority: CN
Inventors: 夏文靖; 李琦; 李宗照
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2021-12-31
Also published as: WO2023060981A1

Abstract

The invention provides a vacuum fresh-keeping device and a refrigerator. The vacuum fresh-keeping device comprises a vacuumizing component, a fresh-keeping box bracket and a movable component. Wherein, be provided with the interface of bleeding on the evacuation part, preservation box bracket is installed in evacuation part department through movable part movably, and preservation box bracket is used for holding the preservation box. The crisper bracket includes: the first state relative to the vacuum-pumping part far away, the second state relative to the vacuum-pumping part close. By applying the technical scheme of the invention, when the preservation box needs to be vacuumized, the preservation box bracket is operated through the movable part, and the preservation box can be placed on the preservation box bracket when the preservation box bracket is in the first state; then, the crisper bracket can be operated to move the crisper bracket to the second state, and the vacuumizing component vacuumizes the crisper. By adopting the technical scheme of the invention, the vacuumizing of the preservation box is more convenient to operate and use through the preservation box bracket.

Description

Vacuum fresh-keeping device and refrigerator

Technical Field

The invention relates to the technical field of refrigerators, in particular to a vacuum refreshing device and a refrigerator.

Background

The refrigerator is an essential electrical appliance for modern families and is used for storing various articles with storage temperature requirements, such as fruits, vegetables, meat, beverages and the like. For the refrigerator, the most critical performance is preservation, and in recent years, refrigerator manufacturers have made many researches on modified atmosphere preservation, photosynthetic preservation, sterilization preservation, temperature control preservation and the like, but the schemes for obtaining wide-range application are not many. The reason for this is that these solutions are not convenient enough to use.

Disclosure of Invention

The embodiment of the invention provides a vacuum refreshing device and a refrigerator, and aims to solve the technical problem that the vacuum refreshing refrigerator in the prior art is inconvenient to use.

An embodiment of the present invention provides a vacuum refreshing apparatus, including: the vacuumizing part is provided with an air exhaust interface; fresh-keeping box bracket and movable part, fresh-keeping box bracket pass through movable part movably to be installed in evacuation part department, and the fresh-keeping box bracket is used for holding fresh-keeping box, and the fresh-keeping box bracket includes: the first state relative to the vacuum-pumping part far away, the second state relative to the vacuum-pumping part close.

In one embodiment, the crisper tray further comprises: and a third state in which the vacuum-pumping member is attached.

In one embodiment, the crisper tray comprises a bottom plate and a side plate, wherein in the third state, the bottom plate is attached to the bottom surface of the evacuation member, and the side plate surrounds the side surface of the evacuation member.

In one embodiment, the crisper tray is provided with a limiting member for limiting the crisper from sliding on the crisper tray.

In one embodiment, the limiting member is a limiting rib disposed on the top surface of the bottom plate.

In one embodiment, the spacing ribs are cross-shaped or T-shaped.

In one embodiment, the vacuum preservation device further comprises a preservation box, and a limiting groove matched with the limiting convex rib in shape is formed at the bottom of the preservation box.

In one embodiment, the preservation box is provided with an air valve matched with the air extraction interface, and the air extraction interface is communicated with the air valve in the second state; in the first state, the air exhaust interface is separated from the air valve.

In one embodiment, the movable member comprises: the guide rail part is fixedly connected with the vacuumizing part; and the sliding block piece is slidably arranged on the guide rail piece, and the preservation box bracket is arranged on the sliding block piece.

In one embodiment, the movable member further comprises a driving member disposed between the rail member and the slider member, the driving member driving the slider member to move to bring the crisper tray to the first state, the second state, or the third state.

In one embodiment, the driving member is a spring, and the spring drives the sliding block member to move towards the second state or the third state through the elastic force.

In one embodiment, a pull ring is provided on the crisper tray for operating movement of the crisper tray.

In one embodiment, the guide rail member is provided with a first limiting structure, a second limiting structure and a third limiting structure, the first limiting structure is matched with the sliding block member to limit the preservation box bracket in a first state, the second limiting structure is matched with the sliding block member to limit the preservation box bracket in a second state, and the third limiting structure is matched with the sliding block member to limit the preservation box bracket in a third state.

In one embodiment, the vacuumizing part comprises a device body, a driving motor, a gear set and a pump body are arranged in the device body, the driving motor drives the pump body to suck air through the gear set, and the pump body is connected with the air suction interface.

In one embodiment, the evacuation component further comprises a hose, and the pump body is connected to the suction interface through the hose.

In one embodiment, the device body is provided with a clamping groove for installation.

The invention also provides a refrigerator which comprises the vacuum refreshing device.

In one embodiment, the refrigerator includes a cabinet and a door provided on the cabinet, and the vacuum refreshing apparatus is installed on the door.

In the embodiment, when the preservation box needs to be vacuumized, the preservation box bracket is operated through the movable part, and the preservation box can be placed on the preservation box bracket when the preservation box bracket is in the first state; then, the crisper bracket can be operated to move the crisper bracket to the second state, and the vacuumizing component vacuumizes the crisper. By adopting the technical scheme of the invention, the vacuumizing of the preservation box is more convenient to operate and use through the preservation box bracket.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic front view and a schematic back view of an embodiment of a vacuum refreshing apparatus according to the present invention;

FIG. 2 is a schematic view of the construction of the crisper tray of the vacuum refreshing apparatus of FIG. 1;

FIG. 3 is a schematic diagram of the movable components of the vacuum refreshing apparatus of FIG. 1;

FIG. 4 is a schematic cross-sectional view of the vacuum refreshing apparatus of FIG. 1 during evacuation of the crisper;

FIG. 5 is a front view and a back view of the fresh food box of the vacuum refreshing apparatus of FIG. 1;

FIG. 6 is a schematic cross-sectional view of the vacuum-pumping component of the vacuum refreshing apparatus of FIG. 1;

fig. 7 is a schematic configuration diagram of an embodiment of a refrigerator according to the present invention;

fig. 8 is a schematic structural view of three states of a fresh food box bracket of the vacuum refreshing apparatus of the refrigerator of fig. 7.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.

Fig. 1 and 8 show an embodiment of the vacuum refreshing apparatus of the present invention, which includes a vacuuming part 10, a fresh food box bracket 20, and a movable part 30. Wherein, be provided with on the evacuation part 10 and bleed interface 11, preservation box bracket 20 is installed in evacuation part 10 department movably through movable part 30, and preservation box bracket 20 is used for holding preservation box 40. The fresh food box bracket 20 includes: a first state in which the evacuation member 10 is away from the vacuum chamber, and a second state in which the evacuation member 10 is close to the vacuum chamber.

By applying the technical scheme of the invention, when the preservation box 40 needs to be vacuumized, the preservation box bracket 20 is operated through the movable part 30, and the preservation box 40 can be placed on the preservation box bracket 20 when the preservation box bracket 20 is in the first state; thereafter, the crisper tray 20 can be operated to move the crisper tray 20 to the second state, allowing the evacuation component 10 to evacuate the crisper 40. By adopting the technical scheme of the invention, the vacuumizing of the preservation box 40 is more convenient to operate and use through the preservation box bracket 20.

More preferably, as shown in fig. 8, in the solution of the present embodiment, the crisper tray 20 further includes a third state of being attached to the vacuum pumping means 10. Therefore, after the vacuum preservation device is used, the space occupation of the vacuum preservation device can be reduced, the application of the vacuum preservation device on a refrigerator is facilitated, and the vacuum preservation device is prevented from occupying the effective use space of the refrigerator.

As shown in fig. 2 and 8, in the solution of the present embodiment, the crisper tray 20 includes a bottom plate 21 and a side plate 22, and in the third state, the bottom plate 21 is attached to the bottom surface of the vacuum pumping member 10, and the side plate 22 surrounds the side surface of the vacuum pumping member 10. In use, the bottom plate 21 mainly supports the preservation box 40, and the side plates 22 limit the preservation box 40 from sliding on the bottom plate 21. By adopting the structural design, the preservation box 40 can be well supported and limited, and the preservation box bracket 20 can be well hidden in the third state.

As shown in fig. 2, optionally, in the technical solution of the present embodiment, a limiting member 23 is disposed on the fresh food box bracket 20, and the limiting member 23 is used for limiting the sliding of the fresh food box 40 on the fresh food box bracket 20. Preferably, in the technical solution of the present embodiment, the limiting member 23 is a limiting rib disposed on the top surface of the bottom plate 21. More preferably, the limiting convex rib is T-shaped or cross-shaped. As other alternative embodiments, the stopper 23 may be provided on the side plate 22, or may be provided on both the bottom plate 21 and the side plate 22. In addition, the limiting convex rib can also be in other shapes, and the limiting effect can be achieved.

As shown in fig. 4 and 5, in the technical solution of this embodiment, the vacuum refreshing apparatus further includes a refreshing box 40, and a limiting groove 41 adapted to the limiting rib is formed at the bottom of the refreshing box 40. Through the matching of the shape of the limiting groove 41 and the limiting convex rib, the better limitation of the preservation box 40 can be realized. More preferably, in the technical solution of this embodiment, an air valve 42 adapted to the air extraction port 11 is disposed on the preservation box 40, and in the second state, the air extraction port 11 is communicated with the air valve 42; in the first state, the suction port 11 is separated from the air valve 42. The air valve 42 may be a rubber valve or a mechanical one-way valve, and mainly plays a role in preventing external air from entering the preservation box 40 again after the air suction port 11 is separated from the air valve 42. In the technical solution of this embodiment, the air valve 42 is a silica gel air valve, which realizes the sealing, air suction and air exhaust of the preservation box 40. When air is exhausted, the external air pressure is reduced, when the external air pressure is smaller than the air pressure in the preservation box 40, the edge of the silica gel valve is tilted, and the air flows out through the 22 air guide groove; after stopping bleeding, the silica gel valve compresses tightly under the atmospheric pressure effect, accomplishes sealed. When the box internal air pressure needs to be recovered, the top end of the silica gel valve is pressed, the edge of the silica gel valve is tilted, air flows in through the groove, and the box internal air pressure is recovered to the atmospheric pressure. In addition, can judge box internal gas pressure through the thin department of silica gel pneumatic valve, when box internal gas pressure reduces, the sunken degree on silica gel pneumatic valve top can increase thereupon, and at the storage process that the evacuation was ended, if fresh-keeping box 40 takes place gas leakage, fresh-keeping box 40 internal gas pressure is close to external atmospheric pressure, then the sunken degree of silica gel pneumatic valve can reduce gradually. Through the design, the user can conveniently and visually observe the sealing condition of the preservation box 40, and the preservation box 40 with air leakage is vacuumized again in time.

As shown in fig. 1 and 3, in the present embodiment, the movable member 30 includes a rail member 31 and a slider member 32. The rail member 31 is fixedly connected with the vacuum pumping unit 10, the slider member 32 is slidably mounted on the rail member 31, and the fresh food box holder 20 is mounted on the slider member 32. The motion of the crisper tray 20 can be more stably achieved by the cooperation of the rail member 31 and the slider member 32. Preferably, in the technical solution of the present embodiment, the rail member 31 and the slider member 32 are ball-and-slide assemblies, and the friction force of the movement is smaller and more stable.

Optionally, the movable member 30 further comprises a driving member installed between the rail member 31 and the slider member 32, and the driving member drives the slider member 32 to move to bring the fresh food box holder 20 to the first state, the second state, or the third state. In the solution of this embodiment, the driving member is a spring 33, and the spring 33 drives the sliding block member 32 to move to the second state or to move to the third state through the elastic force. When the preservation box bracket is used, the elasticity of the spring 33 can be overcome manually, the preservation box bracket 20 is moved to the first state, and after the preservation box 40 is installed, the preservation box bracket 20 can be moved to the second state by the elasticity of the spring 33. Finally, after use, the fresh food box holder 20 is moved to the third state by the elastic force of the spring 33. Preferably, in the technical solution of the present embodiment, the crisper bracket 20 is provided with a pull ring 24, the pull ring 24 is used for operating the crisper bracket 20 to move, and the crisper bracket 20 is conveniently manually operated by the pull ring 24 to move to the above three states.

As other alternative embodiments, an electric push rod or other electromechanical or pneumatic mechanical assembly may be used as the driving member to drive the slider member 32.

As shown in fig. 3, in the solution of the present embodiment, the rail member 31 is provided with a first limiting structure 311, a second limiting structure 312 and a third limiting structure 313. The first limit structure 311 cooperates with the slider member 32 to limit the crisper tray 20 in a first state, the second limit structure 312 cooperates with the slider member 32 to limit the crisper tray 20 in a second state, and the third limit structure 313 cooperates with the slider member 32 to limit the crisper tray 20 in a third state. Thus, the crisper tray 20 can have corresponding posture maintaining functions in all three states, so that the crisper tray 20 can be maintained in the three states more stably.

As shown in fig. 6, in the technical solution of this embodiment, the vacuum pumping component 10 includes a device body 12, a driving motor 13, a gear set 14 and a pump body 15 are disposed in the device body 12, the driving motor 13 drives the pump body 15 to pump air through the gear set 14, and the pump body 15 is connected to the air pumping interface 11. When the vacuum box is used, the driving motor 13 drives the pump body 15 to work through the gear set 14 in a variable speed mode, so that the air suction interface 11 can vacuumize the preservation box 40. Preferably, the evacuation component 10 further comprises a hose 16, the pump body 15 is connected to the suction port 11 through the hose 16, and the hose 16 can facilitate the adjustment of the direction of the suction port 11.

More preferably, as shown in fig. 4, in the technical solution of the present embodiment, a card slot 121 is provided on the device body 12, and the card slot 121 is used for installation. When in use, the vacuum refreshing apparatus can be conveniently installed on the refrigerator through the clamping groove 121.

The invention also provides a refrigerator, as shown in fig. 7 and 8, the refrigerator comprises the vacuum refreshing device, and the vacuum refreshing device is the vacuum refreshing device. More preferably, in the technical solution of the present embodiment, the refrigerator includes a box body 51 and a box door 52 disposed on the box body 51, and the vacuum refreshing apparatus is mounted on the box door 52.

Preferably, the rail member 31 is also fixedly connected to the door 52, and a fixing screw may be used to connect the two. Preferably, the rail member 31 is formed by connecting the three parts into a whole by fixing screws, and then fixing the device to the refrigerator door 52 by fixing reinforcing iron embedded in the foamed layer of the refrigerator by the fixing screws. The guide rail piece 31 is also provided with a decorative stop block which is used for shielding the exposed guide rail, so that the device is more attractive, and when the device is not used, the device is naturally closed.

Preferably, a push switch is arranged on the vacuumizing part 10, or the air suction interface 11 senses a certain pressure, the pump body is started, the device starts to vacuumize the preservation box 40, meanwhile, the vacuumizing progress digital display on the vacuumizing part 10 starts to display the vacuumizing progress, and in the process, the user can close the refrigerator door 52. After the conditions are met, the vacuumizing device stops running, the preservation box 40 is vacuumized completely, the device gives out prompt tones to remind a user, and the work completion conditions at the position can be the running time of the device or the air pressure sensed by the air pressure sensor. After the vacuum pumping of the crisper 40 is completed, the user can place the crisper on the device, place the crisper on a refrigerator for refrigeration or take down the crisper 40 and place the crisper 40 at the optimal storage place of the articles in the box, and the vacant device can vacuum the next crisper 40. When the vacuum-pumping requirement is not needed, the preservation box 40 is taken down, the device is closed under the action of the spring 33 in the guide rail, and the occupied space is reduced.

In the technical scheme of the invention, the vacuumizing means that air in the preservation box 40 is pumped out, so that the air pressure in the box is reduced to be less than 101kpa, namely one atmosphere, and finally the air pressure in the box can be 0.8 atmosphere or other values suitable for food storage. And does not represent that the device can completely draw out the air in the preservation box 40.

Compared with the prior art, the technical scheme of the invention can be applied to any machine type, and the refrigerator does not need to be greatly changed, thereby reducing the application cost and the popularization difficulty.

The technical scheme of the invention has the advantages that a user can adopt any number of the preservation boxes 40 to match with the vacuumizing parts 10, compared with other vacuum preservation devices, the scheme has no limitation on storage space and storage position, and can store more kinds and quantities of articles. Moreover, the installation mode of the vacuum pumping device is uniform, the vacuum pumping device is not limited by the size of the door body, and the vacuum pumping device can be applied to different machine types on the premise of not changing the structure of the device and the door body. The vacuum pump and the pumping hole are automatically compressed, and the tightness of the pumping hole is improved. Compared with the existing product, the vacuum pump does not need manual pressing, and the vacuum pumping efficiency is higher.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the embodiment of the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A vacuum refreshing apparatus, comprising:

the vacuum pumping part (10), wherein an air pumping interface (11) is arranged on the vacuum pumping part (10);

crisper bracket (20) and movable part (30), crisper bracket (20) pass through movable part (30) movably install evacuation part (10) department, crisper bracket (20) are used for holding crisper (40), crisper bracket (20) include: a first state of being far from the vacuum-pumping part (10), and a second state of being close to the vacuum-pumping part (10).

2. Vacuum refreshing apparatus according to claim 1, characterized in that the cartridge carrier (20) further comprises: and a third state in which the vacuum-pumping member (10) is attached.

3. Vacuum refreshing apparatus according to claim 2, characterized in that the fresh food box bracket (20) comprises a bottom plate (21) and a side plate (22), in the third state, the bottom plate (21) is attached to the bottom surface of the vacuum part (10), and the side plate (22) surrounds the side surface of the vacuum part (10).

4. Vacuum refreshing apparatus according to claim 3, characterized in that a limiting member (23) is disposed on the fresh food box bracket (20), wherein the limiting member (23) is used for limiting the sliding of the fresh food box (40) on the fresh food box bracket (20).

5. Vacuum refreshing apparatus according to claim 4, characterized in that the retaining member (23) is a retaining rib provided on the top surface of the bottom plate (21).

6. The vacuum refreshing device according to claim 5, wherein the limiting rib is cross-shaped or T-shaped.

7. Vacuum refreshing device according to claim 6, characterized in that the vacuum refreshing device further comprises a refreshing box (40), and the bottom of the refreshing box (40) is formed with a limiting groove (41) matched with the limiting rib in shape.

8. Vacuum refreshing device according to claim 7, characterized in that the refreshing box (40) is provided with an air valve (42) adapted to the air suction port (11), and in the second state, the air suction port (11) is communicated with the air valve (42); in the first state, the air suction interface (11) is separated from the air valve (42).

9. Vacuum refreshing apparatus according to claim 2, characterized in that said movable part (30) comprises:

the guide rail piece (31) is fixedly connected with the vacuumizing part (10);

and the sliding block piece (32) is slidably arranged on the guide rail piece (31), and the preservation box bracket (20) is arranged on the sliding block piece (32).

10. Vacuum refreshing apparatus according to claim 9, characterized in that the movable member (30) further comprises a driving member, which is mounted between the rail member (31) and the slider member (32), the driving member driving the slider member (32) to move the fresh food cartridge holder (20) to the first state or the second state or the third state.

11. Vacuum refreshing apparatus according to claim 10, characterized in that the driving member is a spring (33), and the spring (33) drives the slider member (32) to move to the second state or to the third state by means of the spring force.

12. Vacuum refreshing apparatus according to claim 1, characterized in that a pull ring (24) is provided on the fresh food cartridge carrier (20), the pull ring (24) being used for operating the movement of the fresh food cartridge carrier (20).

13. The vacuum refreshing apparatus according to claim 11, wherein the rail member (31) is provided with a first limiting structure (311), a second limiting structure (312) and a third limiting structure (313), the first limiting structure (311) cooperates with the slider member (32) to limit the fresh food box bracket (20) in the first state, the second limiting structure (312) cooperates with the slider member (32) to limit the fresh food box bracket (20) in the second state, and the third limiting structure (313) cooperates with the slider member (32) to limit the fresh food box bracket (20) in the third state.

14. Vacuum refreshing device according to claim 1, characterized in that the vacuum-pumping unit (10) comprises a device body (12), a driving motor (13), a gear set (14) and a pump body (15) are arranged in the device body (12), the driving motor (13) drives the pump body (15) to pump air through the gear set (14), and the pump body (15) is connected to the air-pumping interface (11).

15. Vacuum refreshing apparatus according to claim 14, characterized in that the vacuum unit (10) further comprises a hose (16), and the pump body (15) is connected to the suction port (11) via the hose (16).

16. Vacuum refreshing apparatus according to claim 14, characterized in that a clamping groove (121) is provided on the apparatus body (12), said clamping groove (121) being used for mounting.

17. A refrigerator comprising a vacuum refreshing apparatus, wherein the vacuum refreshing apparatus is the vacuum refreshing apparatus according to any one of claims 1 to 16.

18. The refrigerator according to claim 17, wherein the refrigerator comprises a cabinet (51) and a door (52) provided on the cabinet (51), and the refreshing apparatus is mounted on the door (52).