CN206761496U - Preservation device and cooking apparatus - Google Patents

Abstract

The utility model provides a kind of preservation device and cooking apparatus, wherein, preservation device includes：Cavity, cavity upper end are provided with lid, and first charging aperture is provided with upper lid, and the first discharging opening, the first bleeding point, the first air inlet are additionally provided with cavity；Cover assembly, it is arranged at the first charging aperture on lid；Vacuum elements, it is arranged at the first bleeding point on cavity；Nitrogen inflatable component, it is arranged at the first air inlet on cavity；Blanking component, the first discharge outlet being arranged on cavity；Flexible pouch, inside cavity is arranged on, second charging aperture, the second discharging opening, the second bleeding point and the second air inlet are provided with flexible pouch；Wherein, it is to be tightly connected between the second charging aperture of flexible pouch and first charging aperture, the second bleeding point and cavity, the second air inlet and cavity and the second discharging opening and blanking component.The utility model realizes the fresh-keeping function of rice, improves the time of storage rice by setting preservation device.

Description

Preservation device and cooking apparatus

Technical field

Household appliance technical field is the utility model is related to, in particular to a kind of preservation device and cooking apparatus.

Background technology

The time of general family's storage rice is longer, and it is outer that existing storing technology is directly exposed to rice endosperm, easily by The influence of the extraneous environmental condition such as damp and hot, easy moisture absorption, causes heating rotten, moth or mouldy often occurs.It is meanwhile existing Storing technology can not also solve rice in the rapidly moisture absorption or moist big of suddenly cold and hot, high temperature drying or sunlight exposure, dried rice Under conditions of rice is rapidly dried, cause a large amount of quick-fried waists, produce it is more cracks rice, the problem of reducing rice quality.

Utility model content

The utility model is intended at least solve one of technical problem present in prior art or correlation technique.

Therefore, a purpose of the present utility model is to propose a kind of preservation device.

Another purpose of the present utility model is to propose a kind of cooking apparatus.

In view of this, according to a purpose of the present utility model, it is proposed that a kind of preservation device, including：Cavity, on cavity End is provided with first charging aperture, the first discharging opening, the first bleeding point, the first air inlet；Cover assembly, it is arranged on first charging aperture Place；Vacuum elements, it is arranged at the first bleeding point on cavity；Nitrogen inflatable component, the first air inlet being arranged on cavity Place；Blanking component, the first discharge outlet being arranged on cavity；Flexible pouch, inside cavity is arranged on, is provided with flexible pouch point Not be adapted at first charging aperture, the first discharging opening, the first bleeding point and the first air inlet second charging aperture, second discharging Mouth, the second bleeding point and the second air inlet；Wherein, the second charging aperture of flexible pouch and first charging aperture, the second bleeding point and chamber It is to be tightly connected between body, the second air inlet and cavity and the second discharging opening and blanking component.

A kind of preservation device provided by the utility model include cavity, cover assembly, vacuum elements, nitrogen inflatable component, Blanking component and flexible pouch., will using vacuum elements, nitrogen inflatable component and blanking component by the way that flexible pouch is put into cavity First discharging opening, the second discharging opening, the first bleeding point, the second bleeding point, the first air inlet, the second air inlet and cavity carry out close After envelope connection, after rice is put into flexible pouch by first charging aperture, second charging aperture, first is entered using cover assembly Material mouth, second charging aperture and cavity sealing cover, and cause to be in vacuum state in cavity after vacuumizing, have completely cut off and outside The contact of environment, avoid rice outer because endosperm is directly exposed to, cause the rotten situation of heating to occur because absorbing moisture, further , flexible pouch is arranged on inside cavity, rice is loaded in flexible pouch, flexible pouch can be dismantled with respect to cavity, be easy to follow-up Cleaning and with changing flexible pouch, further, is vacuumized to flexible pouch using vacuum elements, makes oxygen in flexible pouch almost Exclude, blanking component movement so that certain gap is left between blanking component and cavity, using nitrogen inflatable component to flexibility Filling nitrogen in bag, after excluding surplus air, blanking component resets, so as to realize fresh-keeping, the reduction of rice in a nitrogen environment The respiratory intensity of rice, it is suppressed that the breeding of microorganism and moth, improve the period of storage of rice and the edible product of rice Matter, solve storage facility in correlation technique and occur rice moldy metamorphism, a large amount of quick-fried because can not properly be stored to rice The problem of waist.Meanwhile the preservation device, simple to operate, easy, the automaticity of charging, storage and discharging is high, time saving province Power, it is easy to spread.

According to the above-mentioned preservation device of the utility model, there can also be following additional technical feature：

In the above-mentioned technical solutions, it is preferable that preservation device also includes：Upper lid, it is arranged on the upper end of cavity, the first charging Mouth is arranged on lid.

In the technical scheme, first charging aperture is arranged on the upper lid of cavity upper end, is easy to the using cover assembly One charging aperture, second charging aperture and cavity sealing cover.

In the above-mentioned technical solutions, it is preferable that cover assembly includes：Friction top, the second charging aperture of flexible pouch pass through pressure Tight lid is connected and sealed with first charging aperture；First closure, lid are located at first charging aperture, are located on friction top.

In the technical scheme, the second charging aperture of flexible pouch is pressed on cavity by using friction top so that soft Property bag, first charging aperture and friction top be brought into close contact, it is fixed and define the shape of charging aperture, simultaneously because flexible pouch material Feature, after friction top compresses so that into the space of sealing between the second charging aperture and cavity of flexible pouch, and then play support and expand The effect in flexible pouch space is opened, further, the first closure lid is located at first charging aperture, be located on friction top, enter And realize the pumping under sealed environment, air inlet and the function of lower rice.Meanwhile the assembling structure is simple, good sealing effect, dismounting side Just, maintenance and repair cost is low.

In the above-mentioned technical solutions, it is preferable that the second closure is provided between the second bleeding point and cavity, forms sealing Connection；The 3rd closure is provided between second air inlet and cavity, is formed and is tightly connected.

In the technical scheme, set between the second bleeding point and cavity, between the second air inlet and cavity second close Capping and the 3rd closure, i.e., cause the second bleeding point of flexible pouch, the second air inlet second using the mode of mechanical compaction Closure, the 3rd closure withholding under be closely fitted on cavity, simultaneously as the characteristic of flexible pouch material, second is close After capping, the 3rd closure compress so that into the space of sealing between the bleeding point of flexible pouch second, the second air inlet and cavity, And then play a part of support expansion flexible pouch space, further, between the second bleeding point and cavity, the second air inlet with Second closure, the 3rd sealing plate are set between cavity so that vacuum elements, nitrogen inflatable component can pass through the second sealing Lid, the 3rd closure be connected with the second bleeding point, the second air inlet of flexible pouch, and then realize vacuumize after using nitrogen protect Fresh function.Meanwhile the assembling structure good sealing effect, and it is easy to process, interchangeability is good.

In the above-mentioned technical solutions, it is preferable that vacuum elements include：Vavuum pump；First conduit, one end of the first conduit with Vavuum pump is connected, and the other end of the first conduit is plugged on the second closure, is communicated with flexible pouch；First magnetic valve, first The both ends of magnetic valve are connected with the first conduit respectively.

In the technical scheme, vacuum elements include vavuum pump, the first conduit and the first magnetic valve, vavuum pump and pass through first Conduit extracts the oxygen in flexible pouch out so that flexible pouch is in anaerobic, closed state, and then completes to the fresh-keeping of rice. Further, the first magnetic valve is set on the first conduit, gas backstreaming can be prevented, is avoided because pressure difference causes returning for gas Stream, makes oxygen be entered by conduit in flexible pouch, can not realize fresh-keeping function.

In the above-mentioned technical solutions, it is preferable that nitrogen inflatable component includes：Nitrogen cylinder, nitrogen is accommodated in nitrogen cylinder；The Two conduits, one end of the second conduit are connected with nitrogen cylinder, and the other end of the second conduit is plugged on the 3rd closure, with flexibility Bag communicates；Second solenoid valve, the both ends of second solenoid valve are connected with the second conduit respectively.

In the technical scheme, nitrogen inflatable component passes through including nitrogen cylinder, the second conduit and second solenoid valve nitrogen cylinder Second conduit supplying nitrogen into flexible pouch so that the oxygen in flexible pouch is almost excluded, so as to realize rice in nitrogen ring It is fresh-keeping under border, reduce the respiratory intensity of rice, it is suppressed that the breeding of microorganism and moth, improve the period of storage of rice And the edible quality of rice, further, second solenoid valve is set on the second conduit, realizes release and the second pipeline of nitrogen Closure.

In the above-mentioned technical solutions, it is preferable that blanking component includes：Sealing plate, sealing plate by rotating shaft and be arranged on turn Torsion spring on axle is in contact with cavity；Drive mechanism, it is connected with sealing plate, drives the folding of sealing plate.

In the technical scheme, sealing plate is in contact by rotating shaft and torsion spring with cavity, and upon inflation, torsion spring provides certain Resistance enable flexible pouch gassy but be unlikely to be broken through, when this occurs, torsion spring provide certain pretightning force make it is close Shrouding is bonded with cavity, further, drive mechanism, to realize the folding of sealing plate, the assembling is set in sealing plate junction Simple for structure, automaticity is high, and fault rate is low, and maintenance cost is low.

In the above-mentioned technical solutions, it is preferable that seal, it is arranged on sealing plate, when sealing plate is in closure state, Seal fits with cavity.

In the technical scheme, seal is arranged on sealing plate so that when sealing plate is in closure state, is arranged on close Because of the effect for the power that is squeezed elastic deformation occurs for the seal on shrouding, is closely fit together with cavity, reaches sealing Effect.

In the above-mentioned technical solutions, it is preferable that seal is sealing flexible glue；Drive mechanism includes：Motor, and with motor phase The cam of connection, cam are connected with sealing plate.

In the technical scheme, seal is sealing flexible glue, and modulus of elasticity is small so that when sealing plate is in closure state, The seal being arranged on sealing plate be squeezed power effect occur elastic deformation, closely fit together, reach with cavity Sealing effectiveness；Motor includes motor and cam, and the folding to sealing plate is realized by motor driven cam.

According to another purpose of the present utility model, it is proposed that a kind of cooking apparatus, including：A mesh of the present utility model Described preservation device.

Cooking apparatus provided by the utility model, using above-mentioned preservation device, through vacuumizing and inflated with nitrogen after cause Nitrogen is full of in the flexible pouch of preservation device, has completely cut off the contact with external environment condition, has reduced the respiratory intensity of rice, it is suppressed that Microorganism and the breeding of moth, realize fresh-keeping function, improve the time of storage material, improve product performance and use Experience at family.

In the above-mentioned technical solutions, it is preferable that cooking apparatus is electric cooker, electric pressure cooking saucepan or soy bean milk making machine.

Additional aspect and advantage of the present utility model will become obvious in following description section, or new by this practicality The practice of type is recognized.

Brief description of the drawings

Of the present utility model above-mentioned and/or additional aspect and advantage will in the description from combination accompanying drawings below to embodiment Become obvious and be readily appreciated that, wherein：

Fig. 1 is the sectional view of the preservation device of the utility model one embodiment；

Fig. 2 is partial enlarged drawing at the A of the preservation device of embodiment illustrated in fig. 1；

Fig. 3 is partial enlarged drawing at the B of the preservation device of embodiment illustrated in fig. 1；

Fig. 4 is partial enlarged drawing at the C of the preservation device of embodiment illustrated in fig. 1；

Fig. 5 is partial enlarged drawing at the D of the preservation device of embodiment illustrated in fig. 1.

Wherein, corresponding relations of the Fig. 1 into Fig. 5 between reference and component names is：

1 preservation device, 10 cavitys, cover on 102,20 cover assemblies, 202 friction tops, 204 first closures, 30 pumping groups Part, 302 vavuum pumps, 304 first conduits, 306 first magnetic valves, 40 blanking components, 402 sealing plates, 404 rotating shafts, 406 torsion springs, 408 motors, 410 cams, 50 flexible pouch, 60 second closures, 70 nitrogen inflatable components, 702 nitrogen cylinders, 704 second conduits, 706 second solenoid valves, 80 the 3rd closures.

Embodiment

In order to be more clearly understood that above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the accompanying drawings and tool The utility model is further described in detail body embodiment.It should be noted that in the case where not conflicting, this Shen The feature in embodiment and embodiment please can be mutually combined.

Many details are elaborated in the following description in order to fully understand the utility model, still, this practicality New to be different from other modes described here using other to implement, therefore, the scope of protection of the utility model is simultaneously Do not limited by following public specific embodiment.

Referring to Fig. 1 to Fig. 5 descriptions according to the utility model some embodiments preservation device 1 and cooking apparatus.

As shown in figure 1, the embodiment of the utility model first aspect proposes a kind of preservation device 1, including：Cavity 10, The upper end of cavity 10 is provided with first charging aperture, the first discharging opening, the first bleeding point, the first air inlet；Cover assembly 20, is arranged on At first charging aperture；Vacuum elements 30, it is arranged at the first bleeding point on cavity 10；Nitrogen inflatable component 70, is arranged on chamber At the first air inlet on body 10；Blanking component 40, the first discharge outlet being arranged on cavity 10；Flexible pouch 50, is arranged on Inside cavity 10, be provided with flexible pouch 50 respectively with first charging aperture, the first discharging opening, the first bleeding point and the first air inlet Second charging aperture, the second discharging opening, the second bleeding point and the second air inlet that place is adapted；Wherein, the second of flexible pouch 50 enters Material mouth and first charging aperture, the second bleeding point and cavity 10, the second air inlet and the discharging opening of cavity 10 and second and blanking group It is to be tightly connected between part 40.

A kind of preservation device 1 provided by the utility model includes cavity 10, cover assembly 20, vacuum elements 30, nitrogen and filled Pneumatic module 70, blanking component 40 and flexible pouch 50.By the way that flexible pouch 50 is put into cavity 10, vacuum elements 30, nitrogen are utilized Inflatable component 70 and blanking component 40 are by the first discharging opening, the second discharging opening, the first bleeding point, the second bleeding point, the first air inlet After mouth, the second air inlet and cavity 10 are connected and sealed, rice is put into flexibility by first charging aperture, second charging aperture After in bag 50, the sealing of first charging aperture, second charging aperture and cavity 10 is covered using cover assembly 20, made after vacuumizing Obtain in cavity 10 and be in vacuum state, completely cut off the contact with external environment condition, avoid rice outer because endosperm is directly exposed to, because inhaling Hygroscopic gas causes the rotten situation of heating to occur, and further, flexible pouch 50 is arranged on inside cavity 10, rice is loaded in In flexible pouch 50, flexible pouch 50 can be dismantled with respect to cavity 10, be easy to follow-up cleaning and with changing flexible pouch 50, further, utilize Vacuum elements 30 vacuumize to flexible pouch 50, the oxygen in flexible pouch 50 is almost excluded, and blanking component 40 moves so that Certain gap is left between blanking component 40 and cavity 10, nitrogen is filled into flexible pouch 50 using nitrogen inflatable component 70, After excluding surplus air, blanking component 40 resets, and so as to realize rice in a nitrogen environment fresh-keeping, reduces the breathing of rice Intensity, it is suppressed that the breeding of microorganism so that moth is all dead because of anoxic in 36 hours, when improving the storage of rice Between and rice edible quality, solve storage facility in correlation technique and rice occur because can not properly be stored to rice The problem of moldy metamorphism, a large amount of quick-fried waists.Meanwhile the preservation device 1, it is simple to operate, easy, charging, store and discharge automatic Change degree is high, time saving and energy saving, easy to spread.

In one embodiment of the present utility model, it is preferable that preservation device 1 also includes：Upper lid 102, is arranged on cavity 10 upper end, first charging aperture are arranged on lid 102.

In this embodiment, first charging aperture is arranged on the upper lid 102 of the upper end of cavity 10, is easy to utilize cover assembly 20 The sealing of first charging aperture, second charging aperture and cavity 10 is covered.

In one embodiment of the present utility model, it is preferable that as shown in Fig. 2 cover assembly 20 includes：Friction top 202, The second charging aperture of flexible pouch 50 is connected and sealed by friction top 202 and upper lid 102；First closure 204, lid are located at the At one charging aperture, it be located on friction top 202.

In this embodiment, the second charging aperture of flexible pouch 50 is pressed on upper lid 102 by using friction top 202, So that flexible pouch 50, upper lid 102 and friction top 202 are brought into close contact, fix and define the shape of charging aperture, simultaneously because flexible The characteristics of 50 material of bag, after friction top 202 compresses so that into the sky of sealing between the second charging aperture and cavity 10 of flexible pouch 50 Between, and then play a part of support expansion flexible pouch 50 space, further, the first closure 204 lid is located at the first charging Mouthful place, be located on friction top 202 so that upper lid 102 has the function that out and conjunction, and then realize the pumping under sealed environment, Air inlet and the function of lower rice.Meanwhile the assembling structure is simple, good sealing effect, convenient disassembly, maintenance and repair cost is low.

In one embodiment of the present utility model, it is preferable that it is close to be provided with second between the second bleeding point and cavity 10 Capping 60, formed and be tightly connected；The 3rd closure 80 is provided between second air inlet and cavity 10, is formed and is tightly connected.

In this embodiment, second is set between the second bleeding point and cavity 10, between the second air inlet and cavity 10 The closure 80 of closure 60 and the 3rd, i.e., cause the second bleeding point, the second air inlet of flexible pouch 50 using the mode of mechanical compaction Mouthful the second closure 60, the 3rd closure 80 withholding under be closely fitted on cavity 10, simultaneously as the material of flexible pouch 50 The characteristic of material, the second closure 60, the 3rd closure 80 compress after so that the bleeding point of flexible pouch 50 second, the second air inlet with Into the space of sealing between cavity 10, and then play a part of support expansion flexible pouch 50 space, further, in the second pumping Second closure 60, the 3rd sealing plate 402 are set between mouth and cavity 10, between the second air inlet and cavity 10 so that pumping Component 30, nitrogen inflatable component 70 can by the second closure 60, the 3rd closure 80 and flexible pouch 50 the second bleeding point, Second air inlet is connected, so realize vacuumize after utilize nitrogen preservation function.Meanwhile the assembling structure sealing effectiveness Good and easy to process, interchangeability is good.

In one embodiment of the present utility model, it is preferable that as shown in figure 3, vacuum elements 30 include：Vavuum pump 302； First conduit 304, one end of the first conduit 304 are connected with vavuum pump 302, and the other end of the first conduit 304 is plugged in second On closure 60, communicated with flexible pouch 50；First magnetic valve 306, the both ends of the first magnetic valve 306 respectively with the first conduit 304 It is connected.

In this embodiment, vacuum elements 30 include vavuum pump 302, the first conduit 304 and the first magnetic valve 306, vacuum Pump 302 is extracted out the oxygen in flexible pouch 50 by the first conduit 304 so that flexible pouch 50 is in anaerobic, closed state, enters And complete to the fresh-keeping of rice.Further, the first magnetic valve 306 is set on the first conduit 304, gas can be prevented to return Stream, avoids, because pressure difference causes the backflow of gas, making oxygen enter in flexible pouch 50 by conduit, can not realizing fresh-keeping work( Energy.

In one embodiment of the present utility model, it is preferable that as shown in figure 4, nitrogen inflatable component 70 includes：Nitrogen Bottle 702, nitrogen is accommodated in nitrogen cylinder 702；Second conduit 704, one end of the second conduit 704 are connected with nitrogen cylinder 702, the The other end of two conduits 704 is plugged on the 3rd closure 80, is communicated with flexible pouch 50；Second solenoid valve 706, second solenoid valve 706 both ends are connected with the second conduit 704 respectively.

In this embodiment, nitrogen inflatable component 70 includes nitrogen cylinder 702, the second conduit 704 and the nitrogen of second solenoid valve 706 The supplying nitrogen into flexible pouch 50 by the second conduit 704 of gas cylinder 702 so that the oxygen in flexible pouch 50 is almost excluded, from And rice in a nitrogen environment fresh-keeping is realized, reduce the respiratory intensity of rice, it is suppressed that the breeding of microorganism and moth, carry The high period of storage of rice and the edible quality of rice, further, set second solenoid valve 706 on the second conduit 704, Realize the release of nitrogen and the closure of the second pipeline.

In one embodiment of the present utility model, it is preferable that as shown in figure 5, blanking component 40 includes：Sealing plate 402, Sealing plate 402 is in contact by rotating shaft 404 and the torsion spring being arranged in rotating shaft 404 406 with cavity 10；Drive mechanism, with sealing Plate 402 is connected, and drives the folding of sealing plate 402.

In this embodiment, sealing plate 402 is in contact by rotating shaft 404 and torsion spring 406 with cavity 10, upon inflation, is turned round Spring 406, which provides certain resistance, to be enable the gassy of flexible pouch 50 but is unlikely to be broken through, and when this occurs, torsion spring 406 carries Sealing plate 402 is bonded with cavity 10 for certain pretightning force, further, drive mechanism be set in the junction of sealing plate 402, To realize the folding of sealing plate 402, the assembling structure is simple and easy, and automaticity is high, and fault rate is low, and maintenance cost is low.

In one embodiment of the present utility model, it is preferable that seal, be arranged on sealing plate 402, work as sealing plate 402 when being in closure state, and seal fits with cavity 10.

In this embodiment, seal is arranged on sealing plate 402 so that when sealing plate 402 is in closure state, is set Because of the effect for the power that is squeezed elastic deformation occurs for the seal on sealing plate 402, is closely fit together with cavity 10, Reach sealing effectiveness.

In one embodiment of the present utility model, it is preferable that seal is sealing flexible glue；Drive mechanism includes：Motor 408, and the cam 410 being connected with motor 408, cam 410 be in contact with sealing plate 402.

In this embodiment, seal is sealing flexible glue, and modulus of elasticity is small so that when sealing plate 402 is in closure state, The seal being arranged on sealing plate 402 be squeezed power effect occur elastic deformation, closely fit together with cavity 10, Reach sealing effectiveness；Motor 408 includes motor 408 and cam 410, is realized by motor 408 with moving cam 410 to sealing The folding of plate 402.

According to second aspect embodiment of the present utility model, it is proposed that a kind of cooking apparatus, including：Of the present utility model one Preservation device 1 described in individual purpose.

Cooking apparatus provided by the utility model, using above-mentioned preservation device 1, through vacuumizing and inflated with nitrogen after cause Nitrogen is full of in the flexible pouch 50 of preservation device 1, has completely cut off the contact with external environment condition, has reduced the respiratory intensity of rice, is pressed down The breeding of microorganism and moth has been made, has realized fresh-keeping function, has improved the time of storage material, has improved product performance And Consumer's Experience.

Preferably, cooking apparatus is electric cooker, electric pressure cooking saucepan or soy bean milk making machine.

In the utility model, term " multiple " then refers to two or more, is limited unless otherwise clear and definite.Term The term such as " installation ", " connected ", " connection ", " fixation " all should be interpreted broadly, for example, " connection " can be fixedly connected, Can be detachably connected, or be integrally connected；" connected " can be joined directly together, and can also pass through the indirect phase of intermediary Even.For the ordinary skill in the art, it can understand above-mentioned term in the utility model as the case may be Concrete meaning.

In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc. Mean that combining specific features, structure, material or feature that the embodiment or example describe is contained in of the present utility model at least one In individual embodiment or example.In this manual, identical embodiment is not necessarily referring to the schematic representation of above-mentioned term Or example.Moreover, specific features, structure, material or the feature of description can be in any one or more embodiments or example In combine in an appropriate manner.

Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.

Claims (10)

1. A kind of 1. preservation device, it is characterised in that including：

   Cavity, the cavity upper end are provided with first charging aperture, the first discharging opening, the first bleeding point, the first air inlet；

   Cover assembly, it is arranged at the first charging aperture；

   Vacuum elements, it is arranged at the first bleeding point on the cavity；

   Nitrogen inflatable component, it is arranged at the first air inlet on the cavity；

   Blanking component, the first discharge outlet being arranged on the cavity；

   Flexible pouch, be arranged on the inside cavity, be provided with the flexible pouch respectively with the first charging aperture, described first The second charging aperture that is adapted at discharging opening, first bleeding point and first air inlet, the second discharging opening, the second pumping Mouth and the second air inlet；

   Wherein, the second charging aperture of the flexible pouch and the first charging aperture, second bleeding point and the cavity, described It is to be tightly connected between second air inlet and the cavity and second discharging opening and blanking component.
2. 2. preservation device according to claim 1, it is characterised in that also include：Upper lid, it is arranged on the upper of the cavity End, the first charging aperture are arranged on the upper lid.
3. 3. preservation device according to claim 1, it is characterised in that

   The cover assembly includes：

   Friction top, the second charging aperture of the flexible pouch are connected and sealed by the friction top and the first charging aperture；

   First closure, lid are located at the first charging aperture, are located on the friction top.
4. 4. preservation device according to claim 1, it is characterised in that

   The second closure is provided between second bleeding point and the cavity, is formed and is tightly connected；

   The 3rd closure is provided between second air inlet and the cavity, is formed and is tightly connected.
5. 5. preservation device according to claim 4, it is characterised in that

   The vacuum elements include：

   Vavuum pump；

   First conduit, one end of first conduit are connected with the vavuum pump, and the other end of first conduit is plugged in On second closure, communicated with the flexible pouch；

   First magnetic valve, the both ends of first magnetic valve are connected with first conduit respectively；And/or

   The nitrogen inflatable component includes：

   Nitrogen cylinder, nitrogen is accommodated in the nitrogen cylinder；

   Second conduit, one end of second conduit are connected with the nitrogen cylinder, and the other end of second conduit is plugged in On 3rd closure, communicated with the flexible pouch；

   Second solenoid valve, the both ends of the second solenoid valve are connected with second conduit respectively.
6. 6. preservation device according to any one of claim 1 to 5, it is characterised in that

   The blanking component includes：

   Sealing plate, the sealing plate are connected by rotating shaft and the torsion spring being arranged in the rotating shaft with the cavity；

   Drive mechanism, it is in contact with the sealing plate, drives the folding of the sealing plate.
7. 7. preservation device according to claim 6, it is characterised in that also include：

   Seal, it is arranged on the sealing plate, when the sealing plate is in closure state, the seal and the cavity Fit.
8. 8. preservation device according to claim 6, it is characterised in that

   The seal is sealing flexible glue；

   The drive mechanism includes：Motor, and the cam being connected with the motor, the cam connect with the sealing plate Touch.
9. A kind of 9. cooking apparatus, it is characterised in that including：

   Preservation device as any one of claim 1 to 8.
10. 10. cooking apparatus according to claim 9, it is characterised in that the cooking apparatus be electric cooker, electric pressure cooking saucepan or Soy bean milk making machine.