CN112298813B

CN112298813B - Vacuum storage box

Info

Publication number: CN112298813B
Application number: CN202011330043.8A
Authority: CN
Inventors: 陆文益
Original assignee: Zhangjiagang Tuo Sheng Machinery Technology Co ltd
Current assignee: Zhangjiagang Tuo Sheng Machinery Technology Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2022-06-24
Anticipated expiration: 2040-11-24
Also published as: CN112298813A

Abstract

The invention discloses a vacuum storage box which comprises a box body, a plurality of storage cavities arranged in the box body, a vacuum unit and a control unit, wherein the vacuum unit and the control unit are arranged in the box body, the vacuum unit comprises a vacuum pump, an exhaust port arranged on the vacuum pump, a filtering module, one end of the filtering module is communicated with the output end of the vacuum pump through a first pipeline, a second pipeline communicated with the other end of the filtering module, and a plurality of first air suction assemblies arranged on the second pipeline, the second pipeline can sequentially pass through the plurality of storage cavities, and the plurality of first air suction assemblies can respectively penetrate into the plurality of storage cavities through corresponding parts. According to the vacuum storage box, the first air suction assembly is arranged, so that the storage cavity is in a negative pressure vacuum state, and grains and articles can be well stored; meanwhile, under the action of the filtering module, the pumped gas is disinfected and sterilized through each layer, so that the surrounding environment is not affected.

Description

Vacuum storage box

Technical Field

The invention relates to a vacuum storage box.

Background

The grain refers to a general term of various plant seeds in cooked food, and can also be generically called as 'grain'. Because the grains can not be stored for a long time in a humid environment, once moths or mildews occur, the grains can not be eaten.

At present, people generally use a refrigerator to store grains. Although the refrigerator has a fresh-keeping function, the refrigerator can only store foods such as fruits and the like with water, and the interior of the refrigerator is easy to generate water vapor, so that the refrigerator is not beneficial to storing the foods which need to be kept dry.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a vacuum storage box capable of storing different kinds of food.

In order to achieve the purpose, the invention adopts the technical scheme that:

a vacuum storage box comprises a box body, a plurality of storage cavities arranged in the box body, a vacuum unit and a control unit which are arranged in the box body,

the vacuum unit comprises a vacuum pump, an exhaust port arranged on the vacuum pump, a filtering module, a second pipeline and a plurality of first air suction assemblies, wherein one end of the filtering module is communicated with the output end of the vacuum pump through a first pipeline, the second pipeline is communicated with the other end of the filtering module, the plurality of first air suction assemblies are arranged on the second pipeline, the second pipeline can sequentially pass through the plurality of storage cavities, and the parts, which can respectively correspond to the plurality of first air suction assemblies, penetrate into the plurality of storage cavities. So for the storing intracavity is negative pressure vacuum state, can be fine store grain and article.

Preferably, the filtration module includes the rose box, deposits and locates antiseptic solution in the rose box, along keeping away from the direction of antiseptic solution is arranged in proper order and is located the first filter layer and the bactericidal lamp of the liquid level top of antiseptic solution, set up in on the rose box and be located the air inlet of the liquid level below of antiseptic solution, set up in on the rose box and be located first filter layer with gas outlet between the bactericidal lamp, wherein the air inlet with the second pipeline is linked together, the gas outlet with first pipeline is linked together.

According to a specific embodiment of the present invention, the first filter layer is filter cotton, and the germicidal lamp is an ultraviolet lamp. The gas pumped out through the vacuum pump can pass through the disinfectant and the filter cotton and is discharged after being irradiated by ultraviolet rays, and the influence on the surrounding environment can not be caused.

Further preferably, the filtration module further comprises a liquid adding pipe arranged on the filtration tank and used for adding the disinfectant, a liquid adding cover arranged on the liquid adding pipe, a drain outlet arranged on the filtration tank and used for discharging the disinfectant, and a drain valve used for controlling the drain outlet to be opened and closed.

Further preferably, the filtration module further comprises a first sealing cover arranged on the filtration tank in a covering manner, a pressure reducing valve arranged on the first sealing cover, and a handle with a lock.

Preferably, each first air suction assembly comprises a first suction nozzle, a first control valve for controlling the on-off of the first suction nozzle and the second pipeline, and a second filter layer arranged between the first suction nozzle and the second pipeline, and the suction end of the first suction nozzle can penetrate into the storage cavity in a matched mode.

In another embodiment of the present invention, the second filter layer includes a steel mesh filter layer, a filter cotton and a duct filter net sequentially arranged from the first suction nozzle to the second duct.

Preferably, the vacuum unit further comprises a second air suction assembly which is communicated with the second pipeline and can penetrate out of the box body in a matched mode, and the second air suction assembly comprises an air suction pipe, a second suction nozzle, a second control valve and a third filter layer, wherein part of the air suction pipe penetrates out of the box body, the second suction nozzle is arranged at the end part of the air suction pipe and is located outside the box body, the second control valve is used for controlling the on-off of the air suction pipe, and the third filter layer is arranged between the second suction nozzle and the air suction pipe. The second air suction assembly can effectively suck harmful substances adsorbed on the surfaces of objects or human bodies and animals, and can self-manufacture a vacuum packaging bag by utilizing the vacuum effect, wherein the third filter layer is a pipeline filter screen.

Preferably, the vacuum unit further comprises a negative pressure cavity attached to the inner side wall of the box body, and the negative pressure cavity is communicated with the first pipeline through a third pipeline. So, when making and need change into vacuum state once more after the storing chamber is opened, the negative pressure chamber can assist the vacuum pump to the storing chamber evacuation, has improved efficiency.

According to a specific and preferred embodiment of the present invention, the outer wall of the negative pressure chamber is a special-shaped partition plate, and a special-shaped partition plate is also arranged between the two storage chambers in the horizontal direction, and the special shape is designed to increase the strength of the plate, so that the plate cannot be used due to the influence of heating and negative pressure.

Further, the bottom of each storage cavity is provided with a supporting plate.

Preferably, the vacuum storage box further comprises a drying unit arranged in the box body, the drying unit comprises a heating module, a hot air box communicated with the heating module, a fan used for blowing hot air heated by the heating module into the hot air box, a fourth pipeline communicated with the hot air box, and a plurality of air outlet assemblies arranged on the fourth pipeline, the fourth pipeline can sequentially pass through the plurality of storage cavities, and the plurality of air outlet assemblies can correspondingly penetrate into the plurality of storage cavities respectively. Through the setting of hot-blast case, make the hot-blast evenly that can be gentle of output, better dries the article of storing intracavity.

Further preferably, each air outlet assembly respectively comprises an air outlet pipe communicated with the fourth pipeline, a third control valve used for controlling the on-off of the air outlet pipe, and a plurality of air outlet holes formed in the air outlet pipe.

Furthermore, the air outlet holes are arranged around the circumferential direction of the air outlet pipe and along the axial direction of the air outlet pipe at intervals.

Further preferably, a communication port is formed between the heating module and the hot air box, and the drying unit further comprises a fourth filter layer which is inserted into the hot air box and can be matched with the hot air box and is covered on the communication port.

Furthermore, a handle is connected to the top of the fourth filter layer, and the fourth filter layer is arranged in the hot air box in a pluggable mode through the handle.

Furthermore, the drying unit also comprises a second sealing cover arranged on the hot air box in a covering mode, a sealing seat arranged on the second sealing cover, the handle is inserted into the sealing seat, and the drying unit also comprises a sealing piece located on the peripheral side of the handle.

Further preferably, the drying unit further includes a heat discharge valve provided on the fourth pipeline.

Preferably, every storing chamber on cover respectively and be equipped with the chamber door, vacuum storing case is still including locating the subassembly that opens the door on the chamber door, the subassembly that opens the door is including wearing to locate barrel, slidable in the chamber door are located slide bar, cover in the barrel are located on the slide bar and both ends respectively the butt in the elastic component of barrel inner wall, set up in on the barrel and be located the gas pocket outside the chamber door, the gas pocket with the storing chamber is linked together, the slide bar can the complex block on its slip route or break away from the gas pocket.

Furthermore, a sealing ring is arranged at the front end of the sliding rod, and the sliding rod can be inserted into or separated from the sealing ring in a matched mode.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: according to the vacuum storage box, the first air suction assembly is arranged, so that the storage cavity is in a negative pressure vacuum state, and grains and articles can be well stored; meanwhile, under the action of the filtering module, the pumped gas is disinfected and sterilized through each layer, so that the surrounding environment is not affected.

Drawings

FIG. 1 is a schematic front view of a vacuum storage compartment in an embodiment of the invention;

FIG. 2 is a side view of a vacuum storage compartment in an embodiment of the present invention;

FIG. 3 is a schematic diagram of a filter module according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a first inhalation module in accordance with an embodiment of the present invention;

FIG. 5 is a schematic diagram of an assembly structure of a heating module, a hot air box and a blower in an embodiment of the present invention;

fig. 6 is a schematic structural view of an air outlet assembly in the embodiment of the present invention;

fig. 7 is a schematic structural view of a door opening assembly in an embodiment of the present invention.

In the figure: 1. a box body; 2. a storage chamber; 3. a control unit; 4. a vacuum pump; 5. an exhaust port; 6. a first pipeline; 7. a filtration module; 7a, a filter box; 7a1, disinfectant; 7a2, a first filter layer; 7a3, germicidal lamp; 7a4, liquid level display; 7a5, first sealing lid; 7a6, pressure relief valve; 7a7, handle with lock; 7b, an air inlet; 7c, an air outlet; 7d, a liquid adding pipe; 7e, a liquid adding cover; 7f, a sewage draining outlet; 7g, a drain valve; 8. a second pipeline; 9. a first air-absorbing assembly; 9a, a first suction nozzle; 9b, a first control valve; 9c, a second filter layer; 9d, a negative pressure detection head; 10. a second getter assembly; 10a, an air suction pipe; 10b, a second suction nozzle; 10c, a second control valve; 10d, a third filter layer; 11. a negative pressure chamber; 12. a third pipeline; 13. a drying unit; 13a, a heating module; 13a1, electric heating tube; 13a2, heating pipe jacket; 13b, a hot air box; 13b1, second sealing lid; 13b2, seal seat; 13b3, seal; 13c, a fan; 13d, a fourth pipeline; 13e, an air outlet assembly; 13e1 and an air outlet pipe; 13e2, third control valve; 13e3, air outlet; 13e4, temperature detection head; 13f, a fourth filter layer; 13g, a heat discharge valve; 14. a box door; 15. a door opening assembly; 15a, a cylinder body; 15b, a slide bar; 15c, an elastic member; 15d, air holes; 15e, a sealing ring; 15f, a handle; 15g, limiting plates; 16. a first separator; 17. a second separator; 18. an embedded handle; 19. an overpressure safety plug; 20. a door opening detector; 21. fixing the screw rod; 22. a high-low balance seat; 23. a shock pad; 24. a thermal insulation board; 25. a handle; 26. a roller assembly.

Detailed Description

The technical scheme of the invention is further explained by combining the attached drawings.

The invention relates to an improvement of a storage box, and provides a vacuum storage box, which enables a storage cavity to be in a negative pressure vacuum state through the arrangement of a first air suction assembly, and can well store grains and articles; meanwhile, under the action of the filtering module, the pumped gas is disinfected and sterilized through each layer, so that the surrounding environment is not affected.

Referring to fig. 1 to 7, a vacuum storage box is shown, which comprises a box body 1, a plurality of storage cavities 2 arranged in the box body 1, a vacuum unit arranged in the box body 1, a drying unit 13 and a control unit 3, wherein the control unit 3 is a built-in controller for controlling the operation of the vacuum unit and the drying unit 13.

Each storage cavity 2 is enclosed by a first partition plate 16 on the left side and a second partition plate 17 on the upper side and the lower side, the first partition plate 16 is a special-shaped plate, and the special shape is designed to increase the strength of the plate, so that the plate cannot be used due to the influence of heating and negative pressure.

The vacuum unit includes vacuum pump 4, locate gas vent 5 on vacuum pump 4, the filtration module 7 that one end and vacuum pump 4's output are linked together through first pipeline 6, communicate in the second pipeline 8 of the filtration module 7 other end, locate a plurality of first subassembly 9 of inhaling on the second pipeline 8, second pipeline 8 can pass through a plurality of storing chambeies 2 in proper order, a plurality of first parts that subassembly 9 of inhaling can correspond respectively penetrate a plurality of storing chambeies 2.

Further, as shown in fig. 3, the filtering module 7 includes a filtering tank 7a, a disinfecting liquid 7a1 stored in the filtering tank 7a, a liquid level display 7a4 provided on the filtering tank 7a for displaying the liquid level of the disinfecting liquid, a liquid adding pipe 7d provided on the filtering tank 7a for adding the disinfecting liquid 7a1, a liquid adding cover 7e covering the liquid adding pipe 7d, a drain outlet 7f provided on the filtering tank 7a for discharging the disinfecting liquid 7a1 and a drain valve 7g for controlling the opening and closing of the drain outlet 7f, a first filtering layer 7a2 and a germicidal lamp 7a3 arranged in sequence along the direction away from the disinfecting liquid 7a1 and located above the liquid level of the disinfecting liquid 7a1, an air inlet 7b provided on the filtering tank 7a and located below the liquid level of the disinfecting liquid 7a1, an air outlet 7c provided on the filtering tank 7a and located between the first filtering layer 7a2 and the germicidal lamp 7a3, wherein the air inlet 7b is communicated with the second pipeline 8, and the air outlet 7c is communicated with the first pipeline 6.

Thus, the air sucked by the vacuum pump 4 can be thoroughly filtered and sterilized by the filter module 7, and is changed into clean air and discharged from the exhaust port 5 of the vacuum pump 4, so that the surrounding environment is not affected.

Further, the filter module 7 further includes a first sealing cover 7a5 provided to cover the filter tank 7a, a pressure reducing valve 7a6 provided to the first sealing cover 7a5, and a handle 7a7 with a lock. A pressure relief valve 7a6 for preventing excessive pressure in the filter tank, and a locking handle 7a7 for unlocking and holding when it is desired to open the first sealing cover 7a 5. Wherein, the germicidal lamp 7a3 is fixed on the inner wall of the first sealing cover 7a 5.

In the present embodiment, as shown in fig. 4, each first suction assembly 9 includes a first suction nozzle 9a, a first control valve 9b for controlling the on-off between the first suction nozzle 9a and the second pipeline 8, and a second filter layer 9c disposed between the first suction nozzle 9a and the second pipeline 8, and the suction end of the first suction nozzle 9a can be inserted into the storage cavity 2 in a matching manner.

As shown in fig. 2, a negative pressure probe 9d is disposed on the first suction nozzle 9a and the second filter 9c for measuring the vacuum degree inside the storage chamber 2, so as to control the opening and closing of the first control valve 9b, so that the vacuum degree inside the storage chamber 2 reaches a set vacuum value.

Preferably, as shown in fig. 1, the vacuum unit further includes a second suction assembly 10 communicated with the second pipeline 8 and capable of being fittingly inserted through the box 1, and the second suction assembly 10 includes a suction pipe 10a partially inserted through the box 1, a second suction nozzle 10b disposed at an end of the suction pipe 10a and located outside the box 1, a second control valve 10c for controlling on/off of the suction pipe 10a, and a third filter layer 10d disposed between the second suction nozzle 10b and the suction pipe 10 a. The second air suction assembly is used as an auxiliary function of the vacuum storage box, and can effectively suck harmful substances adsorbed on the surfaces of objects or human bodies and animals through the external air suction pipe 10a and the second suction nozzle 10 b; or the vacuum packaging bag can be made by utilizing the vacuum effect, the bag or the bottle mouth which needs to absorb the air faces the second suction nozzle 10b, and the air in the bag or the bottle is sucked out, so that the dust-free and sterile storage is facilitated.

In this embodiment, the vacuum unit further includes a negative pressure chamber 11 attached to an inner side wall of the box body 1, and the negative pressure chamber 11 is communicated with the first pipeline 6 through a third pipeline 12. The negative pressure cavity 11 is formed by the first partition plate 16 and the inner wall of the box body 1 in a surrounding mode, the negative pressure state is formed in the negative pressure cavity, and when the storage cavity needs to be changed into a vacuum state again after being opened, the auxiliary vacuum pump can vacuumize the storage cavity 2, and efficiency is improved.

As shown in fig. 5-6, the vacuum storage box further includes a drying unit 13 disposed in the box body 1, the drying unit 13 includes a heating module 13a, a hot air box 13b communicated with the heating module 13a, a blower 13c for blowing hot air heated by the heating module 13a into the hot air box 13b, a fourth pipeline 13d communicated with the hot air box 13b, and a plurality of air outlet assemblies 13e disposed on the fourth pipeline 13d, the fourth pipeline 13d can sequentially pass through the plurality of storage cavities 2, and the plurality of air outlet assemblies 13e can respectively and correspondingly penetrate into the plurality of storage cavities 2. The heating module 13a includes an electric heating tube 13a1 and a heating tube jacket 13a 2.

In this embodiment, the outer peripheral side of the fourth pipe 13d is wrapped with insulation cotton. The drying unit 13 is arranged to dry food in the storage cavity 2 before vacuumizing, and then the food is stored under negative pressure, so that the dry negative pressure environment is more beneficial to long-term storage of the food.

Each air outlet assembly 13e comprises an air outlet pipe 13e1 communicated with the fourth pipeline 13d, a third control valve 13e2 for controlling the on-off of the air outlet pipe 13e1, and a plurality of air outlet holes 13e3 arranged on the air outlet pipe 13e 1. The air outlets 13e3 are respectively arranged around the circumferential direction of the air outlet pipe 13e1 and along the axial direction of the air outlet pipe 13e1 at intervals.

Preferably, a communication opening is formed between the heating module 13a and the hot air box 13b, and the drying unit 13 further includes a fourth filter layer 13f inserted into the hot air box 13b and covering the communication opening in a matching manner. The fourth filter layer 13f is a filter screen for filtering out impurities in the hot air.

Furthermore, a handle 25 is connected to the top of the fourth filter layer 13f, and the fourth filter layer 13f is disposed in the hot air box 13b in a pluggable manner through the handle 25. Further, the drying unit 13 further includes a second sealing cover 13b1 covering the hot air box 13b, and a sealing seat 13b2 provided on the second sealing cover 13b1, the handle 25 is inserted into the sealing seat 13b2, a sealing member 13b3 is further provided on the periphery side of the handle 25, and the sealing member 13b3 is a rubber sealing block. Therefore, the fourth filter layer 13f can be conveniently replaced and cleaned without affecting the sealing state in the hot air box 13 b.

The drying unit 13 further includes a heat discharge valve 13g provided on the fourth line 13 d. A drying temperature threshold value is arranged in the control unit 3, a temperature detection head 13e4 is arranged at the end part of the air outlet pipe 13e1, and when the drying temperature in the storage cavity 2 is detected to exceed the threshold value, the heat exhaust valve 13g is opened to exhaust heat.

In this embodiment, as shown in fig. 2, each storage chamber 2 is covered with a door 14, and the door 14 is connected to the box body 1 through a door hinge, and the door 14 is transparent and can be made of toughened glass, so that the articles in the storage chamber 2 can be conveniently checked. The vacuum storage compartment further includes a door opening assembly 15 disposed on the compartment door 14.

As shown in fig. 7, the door opening assembly 15 includes a cylinder 15a penetrating through the door 14, a sliding rod 15b slidably disposed in the cylinder 15a, an elastic member 15c sleeved on the sliding rod 15b and having two ends respectively abutting against the inner wall of the cylinder 15a, and an air hole 15d opened on the cylinder 15a and located outside the door 14, wherein the air hole 15d is communicated with the storage chamber 2, and the sliding rod 15b can cooperatively block or separate from the air hole 15d on a sliding path thereof. When the door is opened, the sliding rod 15b is pulled, so that outside air can enter from the air hole 15d, air pressure balance is formed, and the door can be opened.

Further, a seal ring 15e is provided in the cylinder 15a, and the slide rod 15b can be inserted into or removed from the seal ring 15e in a fitting manner. Thus, the sealing in the cylinder 15a can be ensured when the sliding rod 15b blocks the column air hole 15 d.

In this embodiment, a handle 15f is disposed at one end of the sliding rod 15b, a limiting plate 15g is disposed at the other end of the sliding rod, the handle 15f is disposed outside the box body 1, and the limiting plate 15g is disposed in the storage chamber 2.

Furthermore, an embedded handle 18 is further arranged at the lower portion of the box door 14, an overpressure safety plug 19 is further arranged on the box door 14, the overpressure safety plug 19 can be sucked after overpressure in the storage cavity 2, and when negative pressure in the storage cavity 2 is larger than a threshold value of the overpressure safety plug 19, the overpressure safety plug 19 can be sucked by the internal negative pressure, so that the internal negative pressure is reduced to play a protection role. The door opening detector 20 is arranged on the inner side of the door, and the control unit 3 controls the vacuum unit and the drying unit 13 to stop running when the door is opened, so that energy is saved. A human body detector is further arranged in the vacuum storage box, and when a human body is detected to enter the box body, the control unit 3 controls the vacuum unit and the drying unit 13 to stop running, so that potential safety hazards are avoided.

In this embodiment, the bottom of the box body 1 is provided with the roller assembly 26 for convenient movement, the bottom is also provided with the fixed screw 21, the fixed screw 21 is provided with the height balance seat 22, the shock pad 23 is embedded inside, when the box body 1 moves to a certain position, the height balance seat 22 is adjusted, so that the box body 1 is fixed and does not shake, and the service life is prolonged; the inner side of the box body 1 is provided with a heat insulation plate 24 which is made of heat insulation materials.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. A vacuum storage box is characterized in that: comprises a box body (1), a plurality of storage cavities (2) arranged in the box body (1), a vacuum unit and a control unit (3) arranged in the box body (1),

the vacuum unit comprises a vacuum pump (4), an exhaust port (5) arranged on the vacuum pump (4), a filtering module (7) with one end communicated with the output end of the vacuum pump (4) through a first pipeline (6), a second pipeline (8) communicated with the other end of the filtering module (7), and a plurality of first air suction components (9) arranged on the second pipeline (8), wherein the second pipeline (8) can sequentially pass through the plurality of storage cavities (2), and the plurality of first air suction components (9) can respectively penetrate into the plurality of storage cavities (2) through corresponding parts;

the filtering module (7) comprises a filtering box (7 a), a disinfectant (7 a 1) stored in the filtering box (7 a), a first filtering layer (7 a 2) and a germicidal lamp (7 a 3) which are sequentially arranged along a direction far away from the disinfectant (7 a 1) and are positioned above the liquid level of the disinfectant (7 a 1), an air inlet (7 b) which is arranged on the filtering box (7 a) and is positioned below the liquid level of the disinfectant (7 a 1), and an air outlet (7 c) which is arranged on the filtering box (7 a) and is positioned between the first filtering layer (7 a 2) and the germicidal lamp (7 a 3), wherein the air inlet (7 b) is communicated with the second pipeline (8), and the air outlet (7 c) is communicated with the first pipeline (6);

the vacuum unit further comprises a negative pressure cavity (11) attached to the inner side wall of the box body (1), and the negative pressure cavity (11) is communicated with the first pipeline (6) through a third pipeline (12).

2. The vacuum storage bin of claim 1, wherein: the filtering module (7) further comprises a liquid adding pipe (7 d) arranged on the filtering box (7 a) and used for adding the disinfectant (7 a 1), a liquid adding cover (7 e) arranged on the liquid adding pipe (7 d), and a drain outlet (7 f) arranged on the filtering box (7 a) and used for discharging the disinfectant (7 a 1) and a drain valve (7 g) used for controlling the opening and closing of the drain outlet (7 f).

3. The vacuum storage bin of claim 1, wherein: each first air suction assembly (9) comprises a first suction nozzle (9 a), a first control valve (9 b) used for controlling the connection and disconnection between the first suction nozzle (9 a) and the second pipeline (8), and a second filter layer (9 c) arranged between the first suction nozzle (9 a) and the second pipeline (8), and the suction end of the first suction nozzle (9 a) can penetrate into the storage cavity (2) in a matched mode.

4. The vacuum storage bin of claim 1, wherein: the vacuum unit further comprises a second air suction assembly (10) which is communicated with the second pipeline (8) and can penetrate out of the box body (1) in a matched mode, the second air suction assembly (10) comprises an air suction pipe (10 a) with a part penetrating out of the box body (1), a second suction nozzle (10 b) which is arranged at the end part of the air suction pipe (10 a) and located outside the box body (1), a second control valve (10 c) used for controlling the on-off of the air suction pipe (10 a), and a third filter layer (10 d) which is arranged between the second suction nozzle (10 b) and the air suction pipe (10 a).

5. The vacuum storage bin of claim 1, wherein: the vacuum storage box further comprises a drying unit (13) arranged in the box body (1), the drying unit (13) comprises a heating module (13 a), a hot air box (13 b) communicated with the heating module (13 a), a fan (13 c) used for blowing hot air heated by the heating module (13 a) to the hot air box (13 b), a fourth pipeline (13 d) communicated with the hot air box (13 b) and a plurality of air outlet assemblies (13 e) arranged on the fourth pipeline (13 d), the fourth pipeline (13 d) can sequentially pass through the storage cavities (2), and the air outlet assemblies (13 e) can correspondingly penetrate into the storage cavities (2).

6. The vacuum storage compartment of claim 5, wherein: every air-out subassembly (13 e) respectively including communicate in air-out pipe (13 e 1), the third control valve (13 e 2) that is used for control on fourth pipeline (13 d) air-out pipe (13 e 1) break-make, set up in a plurality of exhaust vents (13 e 3) on air-out pipe (13 e 1).

7. The vacuum storage bin of claim 5, wherein: a communication port is arranged between the heating module (13 a) and the hot air box (13 b), and the drying unit (13) further comprises a fourth filter layer (13 f) which is inserted in the hot air box (13 b) and can be matched with the hot air box to cover the communication port.

8. The vacuum storage bin of claim 1, wherein: every storing chamber (2) on cover respectively and be equipped with chamber door (14), vacuum storage tank is still including locating slide bar (15 b), the cover in chamber door (14) is located including wearing to locate barrel (15 a), slidable in chamber door (14) slide bar (15 b), cover in barrel (15 a) are located slide bar (15 b) are gone up and both ends respectively the butt in elastic component (15 c) of barrel (15 a) inner wall, set up in on barrel (15 a) and be located the outer gas pocket (15 d) of chamber door (14), gas pocket (15 d) with storing chamber (2) are linked together, slide bar (15 b) can the complex block or break away from on its sliding path gas pocket (15 d).