CN206243561U - Vacuum extractor, evacuation storage device and charging equipment - Google Patents

Abstract

The utility model discloses a kind of vacuum extractor, evacuation storage device and charging equipment, including housing, support frame, minipump, power supply module and circuit board, the first bleeding point is set in the host cavity of housing and is used to be connected to container to be connected；Support frame is in host cavity；Minipump is on support frame, including air exhaust nozzle and exhaust nozzle, and air exhaust nozzle pipeline is connected to the first bleeding point；The power supply module includes power supply and power shelf, and power shelf is located at minipump one end, and power supply is electrically connected to minipump, and power supply is located at power shelf；Circuit board and it is electrically connected to power supply and minipump.Vacuum extractor, evacuation storage device and charging equipment that the utility model is provided, by support frame, power shelf by minipump, power supply and circuit board along host cavity by lower from being above sequentially arranged, compact conformation, is conducive to reducing the volume of vacuum extractor；Meanwhile, built-in power is powered, and is easy to the outgoing carrying of user to use.

Description

Vacuum extractor, evacuation storage device and charging equipment

Technical field

The utility model is related to food storing and is stirred under vacuum technical field, more particularly to a kind of vacuum extractor, takes out Vacuum storage device and charging equipment.

Background technology

In the modern life, people are to dietetic hygiene and the requirement more and more higher of energy-conserving and environment-protective.In family, beaten with antistaling film It is the food fresh keeping and storing mode that current people generally use that then bag food put refrigerator cold-storage.But it is such to pack and cold Freezing method for storing easily causes food water volatilization, taste matter is distributed and the shelf-life is not long, furthermore a large amount of plastic fresh-keeping membranes for abandoning are not But cost of idleness, also causes serious pollution and destruction to the earth environment that people depend on for existence.Therefore, vacuum sealed package into Gradually recognize and receive a kind of packaging for foodstuff storing mode for using in recent years for people, it can be very good to solve foregoing food Product moisture evaporation, the shortcoming that taste matter is distributed and the shelf-life is not grown.

However, the vacuum packaging machine body product for occurring in the market is larger, therefore in the relatively costly of manufacture view, together When, taken up room because its is bulky many, thus the carrying that is not easy to go out is used, and be not suitable in the place without civil power (such as outdoor) is used, so need to coordinate civil power to use, narrow application range and energy consumption is higher；Simultaneously also cannot be with difference Container of type, such as crisper or cup etc. are supported the use, it is impossible to meet the different use demands of people.

Utility model content

In view of the above-mentioned problems in the prior art, the purpose of this utility model is, there is provided one kind can be easy to take Band, suitable for outdoor and can be with the matching used vacuum extractor of different vessels, evacuation storage device and charging equipment.

To achieve these goals, the utility model implementation method provides following technical scheme：

In a first aspect, the utility model provides a kind of vacuum extractor, it includes

Housing, including host cavity, are provided with the first bleeding point in the host cavity, first bleeding point is used to be connected to Container to be connected；

Support frame, in the host cavity；

Minipump, on support frame as described above, the minipump includes air exhaust nozzle and exhaust nozzle, described to take out Valve pipeline is connected to first bleeding point, and inside first bleeding point and the air exhaust nozzle and the minipump Space opposing seal so that the gas in container to be connected via first bleeding point to the air exhaust nozzle air inlet；

Power supply module, the power supply module includes power supply and power shelf, and the power shelf is located at the micro vacuum Pump one end, the power supply is electrically connected to the minipump, and the power supply is on the power shelf；And

Circuit board, located at one end of the power shelf, and the circuit board is electrically connected to the power supply and described micro- Type vavuum pump.

Used as in the embodiment that a kind of optional implementation method, the utility model first aspect are provided, the host cavity is Hollow cavity, support frame as described above includes loading plate and the fixed frame on the loading plate, and the loading plate is located at The bottom of the host cavity, and the loading plate closes the one end open of the host cavity, first bleeding point is located at described On loading plate, the minipump is on the fixed frame.

As a kind of optional implementation method, in the embodiment of the utility model first aspect offer, the fixed frame It is that supporting construction is provided with hollow cylindrical shell, and the fixed frame, the micro vacuum pump portion is located at described solid Determine in framework, and one end end face of the minipump is connected to the supporting construction.

Preferably, the first external member is arranged with one end of the minipump, first external member is located at the fixation In framework.

As a kind of optional implementation method, in the embodiment of the utility model first aspect offer, the supporting construction Including reinforcing plate and support column, the reinforcing plate is polylith, respectively along the angled spread configuration in center of the fixed frame, institute The one end for stating reinforcing plate is fixedly connected on the inwall of the fixed frame, and the other end is connected to the outer wall of the support column, described Support column is hollow cylindrical structure, and one end end face of the minipump is connected to the end face of the support column, and institute The exhaust nozzle for stating minipump is located in the support column.

As a kind of optional implementation method, in the embodiment of the utility model first aspect offer, on the loading plate The pillar set towards the minipump is provided with, first bleeding point is the through hole for being opened in the pillar center, And first bleeding point is located in the fixed frame.

As a kind of optional implementation method, in the embodiment of the utility model first aspect offer, the vacuum means Putting also includes cover plate, and the cover plate is covered on the housing, and host cavity described in the cover closure away from support frame as described above One end open, is provided with switch key on the cover plate, the switch key is electrically connected to the circuit board and described miniature Vavuum pump, is used to control being turned on and off for the minipump.

As in the embodiment that a kind of optional implementation method, the utility model first aspect are provided, opened on the cover plate Be provided with groove, the switch key includes switch sections and key part, the switch sections stretch into the groove and with institute Circuit board electric connection is stated, the key part is connected to the switch sections, and the key part closes the groove.

As a kind of optional implementation method, in the embodiment of the utility model first aspect offer, the micro vacuum Pump includes the pump housing and the motor being electrically connected with the circuit board, and the pump housing is located on support frame as described above, the phase of the pump housing It is -50kpa~-90kpa to vacuum, the power of the motor is 1W~40W, and the voltage of the motor is 3V~36V.

Preferably, cushion is additionally provided with the host cavity, the cushion is coated on the outer of the minipump Week.

As a kind of optional implementation method, in the embodiment of the utility model first aspect offer, the power shelf Including the first framework, fixed plate and the second framework, first framework is set towards the minipump, and first frame Frame is sheathed on the outside of the minipump, and the fixed plate is connected to one end of first framework, second framework In the fixed plate, the power unit is located in second framework.

Preferably, the minipump is located on one end of first framework and is arranged with the second external member, described second External member is located in first framework.

Preferably, the power supply is lithium ion battery, and the quantity of the power supply is two, relative in second framework The power supply is answered to be provided with fixing groove, two power supplys are individually fixed in corresponding fixing groove.

As a kind of optional implementation method, in the embodiment of the utility model first aspect offer, first framework On be provided with extension board, the extension board is extended towards the minipump, and one end of the extension board is connected to Support frame as described above, the extension board is towards offering avoiding hollow groove, one end of the air exhaust nozzle on one end of the minipump Stretch out outside the avoiding hollow groove.

As a kind of optional implementation method, in the embodiment that the utility model first aspect is provided, the circuit board with The power supply module interval setting, and it is provided with heat shield between the circuit board and the power supply module.

As a kind of optional implementation method, in the embodiment of the utility model first aspect offer, the vacuum means Putting also includes mounting bracket, and the mounting bracket is set with the supply cell, and the mounting bracket is adjacent to the host cavity Top, the circuit board is installed in the mounting bracket.

As a kind of optional implementation method, in the embodiment of the utility model first aspect offer, during the housing is Empty cylindrical structural, and the outer described without leave host cavity of the housing top contraction from bottom to the host cavity.

Preferably, be additionally provided with instruction device on the housing, the instruction device be electrically connected to the circuit board with And the minipump, it is used to indicate the working condition of the minipump.

Second aspect, the utility model additionally provides a kind of evacuation storage device, and the evacuation storage device includes Container and vacuum extractor described above, the vacuum extractor are removably connected to the container.

It is described to vacuumize storage as in the embodiment that a kind of optional implementation method, the utility model second aspect are provided Cryopreservation device also includes check valve, and the second bleeding point of the first bleeding point for being communicated to vacuum extractor is offered on the container, The check valve on second bleeding point, offered on the check valve be communicated to second bleeding point air-flow it is recessed Groove, first bleeding point is connected with the air-flow groove and forms gas channel, so that gas in the container can be through From the air-flow groove to first bleeding point to the air exhaust nozzle air inlet.

Used as in the embodiment that a kind of optional implementation method, the utility model second aspect are provided, described second is evacuated Mouthful shape of cross section be stairstepping, including horizontal abutting part and vertically disposed with the horizontal abutting part vertical abut Portion, the check valve includes valve body and respectively extends from first extension and the second extension of the valve body opposite end, First extension is connected to the horizontal abutting part, and second extension is connected to the vertical abutting part.

Used as in the embodiment that a kind of optional implementation method, the utility model second aspect are provided, the check valve is adopted It is made of silica gel material, when the vacuum extractor vacuumizes completion, the check valve compressive deformation, so that described second takes out The relatively described first bleeding point sealing of gas port.

Used as in the embodiment that a kind of optional implementation method, the utility model second aspect are provided, the container is guarantor Fresh box, cup or sack.

Used as in the embodiment that a kind of optional implementation method, the utility model second aspect are provided, the container is guarantor Fresh box, including the box body with opening, sealing ring and lid located at the box body periphery, the lid close the box body Opening and compress the sealing ring, second bleeding point is offered on the lid, and second bleeding point is communicated to In the box body.

As a kind of optional implementation method, in the embodiment that the utility model second aspect is provided, the lid it is upper Surface is convexly equipped with an annular protrusion, and the housing bottom of the vacuum extractor is sticked in the annular protrusion.

As in the embodiment that a kind of optional implementation method, the utility model second aspect are provided, set on the lid It is equipped with pressure relief vent, and the pressure relief vent and is provided with relief valve.

The third aspect, the utility model additionally provides a kind of charging equipment, including charging base and vacuumizes described above Device, the vacuum extractor is detachably located at the charging base, and the charging base is used to the vacuum extractor Power source charges.

As a kind of optional implementation method, in the embodiment of the utility model third aspect offer, the charging base Including pedestal, the first conductive pin is provided with the pedestal, the housing bottom of the vacuum extractor is correspondingly arranged on second Conductive pin, second conductive pin is electrically connected to the circuit board and power supply of the vacuum extractor, is vacuumized when described Device is removably connected to when on the pedestal, and first conductive pin is contacted with second conductive pin, so that described Power source charges of the pedestal to the vacuum extractor.

Used as in the embodiment that a kind of optional implementation method, the utility model second aspect are provided, the pedestal includes One accommodating chamber, is provided with first conductive pin on the bottom of the accommodating chamber, the housing parts of the vacuum extractor are put It is placed in the accommodating chamber.

As a kind of optional implementation method, in the embodiment of the utility model second aspect offer, the accommodating chamber It is additionally provided with fixture block or draw-in groove on bottom, the housing bottom of the vacuum extractor is corresponding to be provided with draw-in groove or fixture block, described Fixture block engages with the draw-in groove, so that the housing of the vacuum extractor is connected with the pedestal.

As a kind of optional implementation method, in the embodiment of the utility model second aspect offer, the pedestal outer wall On be provided with charging indicator light.

As a kind of optional implementation method, in the embodiment of the utility model second aspect offer, the charging base Including charging circuit board and it is used to be connected to the socket or plug of external power supply, the charging circuit board is electrically connected to described One conductive pin, the socket or plug are electrically connected to the circuit board and first conductive pin；Or

The battery for being electrically connected to first conductive pin and the charging circuit board is provided with the charging base.

Vacuum extractor, evacuation storage device and charging equipment that the utility model is provided, compared with prior art, tool There is following beneficial effect：

(1) outdoor or other occasions for not having civil power are may be implemented in use.The utility model is by vacuum extractor Circuit board and battery are set in housing, vacuum extractor are powered using battery, so that the vacuum extractor energy Enough it is applied to have a power failure or outdoor other occasions for not having external power supply is vacuumized to the food that needs are vacuumized, so that The scope of application of the vacuum extractor is wider, is easy to user to be used under any occasion.

(2) Energy in use is low.The utility model vacuum extractor sets minipump by using minipump Power of motor be 1W~40W, and the voltage of motor is 3V~36V, so as to while ensuring that satisfaction is vacuumized, also due to institute The power of motor for needing is relatively low and greatly reduce energy consumption.

(3) deadweight relatively light and compact overall structure.The utility model by by circuit board, power supply and minipump successively Enclosure interior is arranged on from top to bottom, meanwhile, fixed minipump and electricity are respectively mounted using support frame and power shelf Source so that the overall structure of whole vacuum extractor is closely compact, and light weight, is conducive to user to carry and uses.

(4) can be supported the use with different vessels.The utility model is used by setting the first bleeding point on the housing To be connected to different containers, such as crisper or cup, so that the vacuum extractor supporting with different vessels can make With, it is applied widely, and greatly increase the property easy to use of user.

(5) charging, convenient and swift and dimensional footprint is small.The utility model is using charging base come to vacuum extractor Charged, only the vacuum extractor need to be positioned on the charging base, and cause charging base the first conductive pin with The second conductive pin contact of vacuum extractor, you can realization is quickly and easily charged to the vacuum extractor, is easy to use Family uses.Simultaneously as the vacuum extractor is placed on the charging base when charging, therefore, dimensional footprint is smaller, It is easy to user to carry out using.

Brief description of the drawings

In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is the structural representation of the vacuum extractor that the utility model embodiment is provided；

Fig. 2 is the decomposing schematic representation of the vacuum extractor that the utility model embodiment is provided；

Fig. 3 is the III of Fig. 1 to profile；

Fig. 4 is the structural representation of the support frame that the utility model embodiment is provided；

Fig. 5 is the structural representation of the power shelf that the utility model embodiment is provided；

Fig. 6 is the structural representation of the housing that the utility model embodiment is provided；

Fig. 7 is the structural representation of the evacuation storage device that the utility model embodiment is provided；

Fig. 8 is the structural representation of the container that the utility model embodiment is provided；

Fig. 9 is schematic diagram of the check valve of the utility model embodiment offer before vacuumizing；

Figure 10 is the check valve schematic diagram after evacuation that the utility model embodiment is provided；

Figure 11 is the structural representation of the charging equipment that the utility model embodiment is provided；

Figure 12 is the structural representation of the charging base that the utility model embodiment is provided.

Specific embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of the utility model protection.

For ease of description, may be used herein such as " ... under ", " ... below ", D score, " ... on ", " on " An element as illustrated in the drawing or feature are described Deng space relative terms with another (a little) element or the relation of feature. It is appreciated that when an element or layer be referred to as another element or layer " on ", " being connected to " or " being couple to " another element or During layer, it can directly on another element or layer, be directly connected to or be couple to another element or layer, or there may be residence Between element or layer.

It is appreciated that terminology used here is merely to description specific embodiment, is not intended to limit the utility model. Used here as when, clearly state unless the context otherwise, otherwise singulative " " and " being somebody's turn to do " are also intended to include plural form.Enter One step ground, when using in this manual, term " including " and/or "comprising" show the feature, entirety, step, element And/or the presence of component, but it is not excluded for depositing for one or more other features, entirety, step, element, component and/or its combination Or increase.To implement better embodiment of the present utility model, so the description is to illustrate this reality to specification subsequent descriptions For the purpose of with new rule, scope of the present utility model is not limited to.Protection domain of the present utility model ought be regarded Appended claims the person of defining be defined.

Also referring to Fig. 1 to Fig. 6, for a kind of vacuum extractor 10 that the utility model is provided, it is used to being placed with food The container of thing is vacuumized, to reach the purpose of food fresh-keeping and extension food shelf-life.Wherein, the vacuum extractor 10 include housing 11, support frame 12, minipump 13, power supply module 14 and circuit board 15.The housing 11 includes housing Chamber 111, is provided with the first bleeding point 111a in the host cavity 111, and the first bleeding point 111a is used to be connected to be connected Container.Support frame as described above 12 is in the host cavity 111.The minipump 13 is described on support frame as described above 12 Minipump 13 includes air exhaust nozzle 131 and exhaust nozzle 132, and the pipeline of the air exhaust nozzle 131 is connected to first bleeding point 111a, and the first bleeding point 111a and the air exhaust nozzle 131 and the inner space opposing seal of the minipump 13, with Make the gas in container to be connected via the first bleeding point 111a to the air inlet of the air exhaust nozzle 131.The power supply module 14 The one end of the minipump 13, the power supply 14a are located at including power supply 14a and power shelf 14b, the power shelf 14b The minipump 13 is electrically connected to, and the power supply 14a is on the power shelf 14b.The circuit board 15 sets In described power shelf 14b one end, and the circuit board 15 is electrically connected to the power supply 14a and the minipump 13. The vacuum extractor 10 provided using the utility model embodiment, can support the use to reach vacuum preservation work(with different vessels Can, so as to keep the fresh taste of food.Simultaneously because it is built-in with battery, therefore can be applied to the field without civil power such as open air Conjunction is used, wide using scope.Additionally, using by circuit board 15, battery component and minipump 13 in housing 11 according to Secondary from top to bottom installation is fixed, so as to be conducive to reasonable arrangement using the inner space of housing 11 so that vacuum extractor 10 Structure is more compact compact.

In the present embodiment, the housing 11 is hollow cylindrical structural, and the housing 11 is plastic parts, to have The advantage of light weight.Outer its bottom without leave of the housing 11 is to top contraction, i.e. the external diameter of the housing 11 is maximum in bottom, It is minimum at top.Using this design, enable to the housing 11 that there is preferably decorative appearance on exterior decorative effect While effect, the minimum outer diameter at the top of the housing 11 is set, it is also possible to be easy to user to grip the housing 11, and due to it Compact structure is also beneficial to the outgoing carrying of user.

In the present embodiment, instruction device (not shown) is provided with the housing 11, the instruction device is electrically connected with To the circuit board 15 and the minipump 13, it is used to indicate the working condition of the minipump 13.Preferably, The instruction device can be the indicator lamp on housing 11, when the minipump 13 is started working, the indicator lamp Bright light；When the minipump 13 is stopped, the indicator lamp is turned off the light.Using the indicative function of the instruction device, The working condition of minipump 13 described in user's Real Time Observation can be easy to.It is understood that in other embodiments, institute It can be also the siren on the housing 11 to state instruction device, when the minipump 13 carries out vacuumizing completion, The instruction device can send sound prompting user, further increase the controllability of the vacuum extractor 10.

Further, several louvres 112, described several louvres are offered on the outer wall of the housing 11 112 while be used to come out the air that the exhaust nozzle 132 of the minipump 13 inside the host cavity 111 is discharged, Can also be by the electronic component inside the host cavity 111, such as the heat that described power supply 14a and the circuit board 15 send dissipates It is sent in external environment.

In the present embodiment, the host cavity 111 is hollow cavity, interior its bottom without leave of the host cavity 111 to Shrink successively at top such that it is able to be easy to circuit board 15, power supply 14a components 14 and minipump 13 in host cavity 111 Successively from lower installation on so that circuit board 15, power supply 14a components 14 and minipump 13 are in the host cavity 111 Install compact, reasonable utilization space, and then be conducive to the overall volume of the housing 11 to do small, it is easy to the outgoing carrying of user to make With.

Support frame as described above 12 includes the loading plate 12a and fixed frame 12b on the loading plate 12a, the carrying Plate 12a is located at the bottom of the host cavity 111, and the loading plate 12a closes the one end open of the host cavity 111, described First bleeding point 111a is on the loading plate 12a.In the present embodiment, the loading plate 12a is and the host cavity 111 The circular sheet that matches of bottom opening, the bottom of the host cavity 111 can be installed in order to the loading plate 12a, And then close the bottom opening of the host cavity 111.Specifically, the loading plate 12a is removably connected to the host cavity 111 Bottom, dismantle the deployment scenarios that the loading plate 12a watches the internal part of host cavity 111 in order to user.

A kind of implementation method is obtained as the utility model, projection (not shown) is provided with the periphery of the loading plate 12a, The corresponding projection opens up fluted on the side wall of the adjacent bottom of the host cavity 111, and the projection is sticked in the groove, So that the loading plate 12a is connected with the bottom of the host cavity 111.It is understood that certainly can also be in the loading plate 12a Periphery on groove is set, the corresponding groove is provided with projection on the side wall of the adjacent bottom of the host cavity 111, described Groove engages setting with the projection.

Used as another embodiment of the present utility model, settable screw thread (is not schemed on the periphery of the loading plate 12a Show), then correspond to and be threaded on the side wall of the adjacent bottom of the host cavity 111, by the loading plate 12a and the collecting The bottom thread connection in chamber 111.

In the present embodiment, the first bleeding point 111a is opened on the loading plate 12a.Specifically, the carrying The pillar 121 set towards the minipump 13 is provided with plate 12a, the first bleeding point 111a is described to be opened in The through hole at the center of pillar 121.Preferably, the pillar 121 is the cylindrical columns on the loading plate 12a, described One bleeding point 111a is the circular through holes for being opened in the center of the pillar 121, and institute is connected in order to the pipeline of the air exhaust nozzle 131 State the first bleeding point 111a.

The minipump 13 is on the fixed frame 12b.In the present embodiment, the fixed frame 12b is Supporting construction is provided with hollow cylindrical shell 11, and the fixed frame 12b, the part of the minipump 13 is located at institute State in fixed frame 12b, and one end end face of the minipump 13 is connected to the supporting construction.Using the fixed frame Frame 12b is the design of hollow cylindrical shell 11 such that it is able to such that the partial receipt of the minipump 13 is fixed on In the hollow bulb of the fixed frame 12b such that it is able to save the minipump 13 and the fixed frame 12b described Taking up room in host cavity 111, is conducive to the structure setting of the vacuum extractor 10 more compact.

Further, the first external member 135, the first external member position 135 are arranged with one end of the minipump 13 In the fixed frame 12b, protection is played with to one end that the minipump 13 is located in the fixed frame 12b Effect.

Further, the supporting construction includes reinforcing plate 122 and support column 123, and the reinforcing plate 122 is polylith, point Not along the angled spread configuration in center of the fixed frame 12b, one end of the reinforcing plate 122 is fixedly connected on the fixation The inwall of framework 12b, the other end is connected to the outer wall of the support column 123, and the support column 123 is hollow cylinder knot Structure, one end end face of the minipump 13 is connected to the end face of the support column 123.Specifically, the reinforcing plate 122 is Square plate, the reinforcing plate 122 is used to strengthen the structural strength of the fixed frame 12b, with enough strength supports The fixation minipump 13.Preferably, the reinforcing plate 122 is three pieces, three pieces of structures triangular in shape of the reinforcing plate 122 It is arranged in the fixed frame 12b.The support column 123 be hollow cylindrical structure, and the support column 123 with The wherein two pieces junctions of the reinforcing plate 122 set jagged.Because the first bleeding point 111a is located at the fixed frame In frame 12b, i.e. the first bleeding point 111a is located in the hollow bulb of the support column 123, so as to work as the air exhaust nozzle 131 When being connected to the first bleeding point 111a via connecting pipe (not shown), using the breach of the support column 123, Neng Goubian In the connecting pipe entrance and stretch out.

When one end end face of the minipump 13 is connected to the end face of the support column 123, the micro vacuum The exhaust nozzle 132 of pump 13 is located in the support column 123.Using above-mentioned design, the minipump 13 can be saved in institute Taking up room in host cavity 111 is stated, meanwhile, using the breach of support column 123, it is also possible to which the exhaust nozzle 132 is discharged Gas distributes the other positions to the host cavity 111.

The minipump 13 includes the pump housing 13a and motor 13b being electrically connected with the circuit board 15, the pump housing On support frame as described above 12, the relative degree of vacuum of the pump housing 13a is -50kpa~-90kpa to 13a.In the present embodiment, institute Pump housing 13a is stated located at the support column 123, so that the pump housing 13a of the support column 123 pairs plays a supporting role.By institute The relative degree of vacuum of pump housing 13a is stated for -50kpa~-90kpa, therefore, when the utilization vacuum extractor 10 is to container to be connected When vacuumizing, enable to also keep in container to be connected the vacuum of -50kpa~-90kpa, and then ensure to be stored in described Food fresh-keeping in container to be connected.

In the present embodiment, the motor 13b can use 1W~40W for the power of direct current generator 13b, the motor 13b, Operating voltage uses DC3V~36V, with reducing energy consumption.Specifically, when out of doors, entered using the power supply 14a components 14 During row power supply, because the power of the motor 13b is relatively low, and operating voltage is relatively low, therefore, it is possible to realizing vacuumizing and reducing Energy consumption, greatly reduce in vacuum cause because energy consumption is too high the power supply 14a electricity exhaust and cannot be after The continuous probability for vacuumizing.Simultaneously as the energy consumption of the motor 13b is relatively low, during therefore, it is possible to the use for extending the battery Between.Preferably, for further reducing energy consumption, the use of the vacuum extractor 10 occasion without civil power such as out of doors is extended Time, the power of the motor 13b can use 1W, 2W, 3W, 5W, 10W or 15W, and the rated operational voltage of the motor 13b can It is DC4.5V, 12V, 30V etc..It is understood that when the effect for wanting to reach rapid vacuumizing, the work(of the motor 13b Rate can also be using 20W, 30W and 40W etc..

Additionally, the vibration amplitude of the motor 13b in order to further slow down the minipump 13, the vacuum extractor 10 also include cushion (not shown), the cushion located at the minipump 13 periphery such that it is able to play buffering, The effect of damping, reduces the amplitude of the motor 13b vibrations of the micro vacuum sheet, is conducive to improving user experience.It is preferred that Ground, the cushion can be the silica gel piece or sponge sheet located at the periphery of the minipump 13, to realize its damping, buffering Function.

One end of the power shelf 14b is sheathed on the outside of the minipump 13, and the power shelf 14b includes First framework 141, the framework 143 of fixed plate 142 and second, first framework 141 are set towards the minipump 13, and First framework 141 is sheathed on the outside of the minipump 13, and the fixed plate 142 is connected to first framework 141 one end, in the fixed plate 142, the power supply 14a parts are located at second framework to second framework 143 In 143.In the present embodiment, first framework 141 is the hollow circuit cylinder matched with the shape of the minipump 13 Shape structure, so that first framework 141 can be set in outside the minipump 13.Specifically, first framework 141 are sheathed on outside the motor 13b of the minipump 13, to play certain fixation and cladding work to the motor 13b With.Preferably, the minipump 13 is located on the one end in first framework 141 and is arranged with the second external member 136, described Second external member 136 is sheathed on the outside of the motor 13b, and second external member 136 is located in first framework 141, with The motor 13b is played a protective role.

Further, extension board 141a, the extension board 141a are provided with first framework 141 towards described miniature Vavuum pump 13 is extended, and one end of the extension board 141a is connected to support frame as described above 12, and the extension board 141a is towards institute Avoiding hollow groove 141b is offered on the one end for stating minipump 13, the air exhaust nozzle 131 is stretched out outside the avoiding hollow groove 141b.Tool Body ground, the extension board 141a is the thin strip-plate extended towards the minipump 13, one end of the extension board 141a It is connected to the fixed frame 12b.The avoiding hollow groove 141b is the U-lag being opened on the extension board 141a, and described is kept away Through one end of the extension board 141a, the air exhaust nozzle 131 stretches out outside the avoiding hollow groove 141b dead slot 141b, in order to institute Stating air exhaust nozzle 131 can be connected to the first bleeding point 111a by the connecting pipe.

In the present embodiment, the fixed plate 142 is the circular sheet being connected on first framework 141, described solid Fixed board 142 is used to carry the framework 143 of first framework 141 and second.

Second framework 143 is in the fixed plate 142, and power supply 14a parts are located at second framework In 143.In the present embodiment, second framework 143 is hollow column construction, and the power supply 14a parts are sticked in described In second framework 143.Preferably, the power supply 14a is lithium ion battery, and the quantity of the power supply 14a is two, in order to User is out of doors or power failure occasion is used.The corresponding power supply 14a is provided with fixing groove, two in second framework 143 The power supply 14a is individually fixed in corresponding fixing groove.

The circuit board 15 and the interval setting of power supply 14a components 14, and the circuit board 15 and the power supply 14a groups Heat shield (not shown) is provided between part 14, to prevent the power supply 14a operational heats to the first device on the circuit board 15 Part causes the situation of high temperature failure.Preferably, the heat shield can be mica sheet.It is understood that for the ease of circuit board 15 and the radiating of battery, can also be sticked fin on the circuit board 15 and the power supply 14a.By by the circuit Plate 15, power supply module 14 and minipump 13 set gradually along the top of the host cavity 111 to bottom, can save described While the inner space of housing 11, the electric connection between its three, such as cabling setting etc. are also beneficial to, therefore, it is possible to By the housing 11 do it is smaller, be conducive to the overall volume of the vacuum extractor 10 to do small, and then be more beneficial for user taking The convenience and convenience of band.

In the present embodiment, for the ease of installing the circuit board 15, the vacuum extractor 10 also includes mounting bracket 16, the mounting bracket 16 and the power supply 14a interval settings, and the mounting bracket 16 is adjacent to the top of the host cavity 111 Portion, the circuit board 15 is installed in the mounting bracket 16.

In the present embodiment, the vacuum extractor 10 also includes cover plate 17, and the cover plate 17 is covered on the housing 11, And the cover plate 17 closes one end open of the host cavity 111 away from support frame as described above 12.Specifically, the cover plate 17 be with The circular sheet that the internal diameter of the host cavity 111 matches, in order to close the opening of the host cavity 111.

Further, switch key 17a, the switch key 17a are provided with the cover plate 17 and are electrically connected to described Circuit board 15 and the minipump 13, are used to control being turned on and off for the minipump 13.Specifically, the lid Groove (not shown) is offered on plate 17, the switch key 17a includes switch sections 171 and key part 172, the switch Part 171 is stretched into the groove and is electrically connected with the circuit board 15, and the key part 172 is connected to the switch portion Divide 171, and the key part 172 closes the groove.Using setting setting for the switch key 17a on the cover plate 17 Meter, can be easy to user to press the switch key 17a when being vacuumized, quickly and easily to control the micro vacuum The startup or closing of pump 13, i.e. when the vacuum extractor 10 is connected with container, press the switch key 17a, described Minipump 13 is started working, and the air exhaust nozzle 131 of the minipump 13 is connected with the first bleeding point 111a, described Gas in container, to the air inlet of the air exhaust nozzle 131, is vacuumized via the first bleeding point 111a with realization；When pressing again When the switch key 17a is so that it is restored, the minipump 13 is stopped, and now, gas stops from described First bleeding point 111a is to the air inlet of the air exhaust nozzle 131.Setting for the minipump 13 is controlled using switch key 17a Meter so that the working condition of the vacuum extractor 10 is controllable.Preferably, the switch key 17a can be using silica gel by pressing off Pass or touch switch etc..

The vacuum extractor 10 that the utility model embodiment is provided, by setting power supply 14a in the housing 11, utilizes The power supply 14a is powered to the vacuum extractor 10, so as to be applied to have a power failure or out of doors without external power supply The occasion of 14a, greatly increases the applicability of vacuum extractor 10.Meanwhile, by setting support frame 12, power shelf 14b And mounting bracket 16 by the minipump 13, power supply module 14 and circuit board 15 successively by lower from being above installed on the shell In body 11, therefore so that the whole structure of vacuum extractor 10 is more compact and small volume, is conducive to the carrying for improving user convenient Property.

Also referring to Fig. 2, Fig. 7 to Figure 10, for a kind of evacuation storage device 20 that the utility model embodiment is provided Structural representation.The evacuation storage device 20 includes container 21 and vacuum extractor 10 described above, described to take out true Empty device 10 is removably connected to the container 21.The vacuum extractor 10 is used to vacuumize the container 21, with Keep the freshness of food in the container 21.

Preferably, the vacuum extractor 10 can be connected through a screw thread or the mode that snaps connection and the container 21 Connection.

The the second bleeding point 21a for being communicated to above-mentioned first bleeding point 111a is offered on the container 21, in order to gas Can be via the second bleeding point 21a to the first bleeding point 111a outlets.In the present embodiment, the container 21 can be Cup, crisper or sack.And preferably, the sack is the poly-bag with sealing joint strip.

In the present embodiment, the evacuation storage device 20 also includes check valve 22, and the check valve 22 is located at described On second bleeding point 21a, offer to be communicated to the air-flow groove 22a of the second bleeding point 21a on the check valve 22, The first bleeding point 111a is connected and forms gas channel with the air-flow groove 22a, so that the gas in the container 21 Can be via the air-flow groove 22a to the first bleeding point 111a to the air inlet of the air exhaust nozzle 131.Due to the check valve 22 setting so that air-flow can only not be allowed to air inlet in container 21 such that it is able to protect from the container 21 to outside outlet Hold the vacuum state in container 21.

The shape of cross section of the second bleeding point 21a be stairstepping, including horizontal abutting part 211 and with the level The vertically disposed vertical abutting part 212 of abutting part 211, the check valve 22 includes valve body 22b and respectively extends from the valve First extension 22c of body 22b opposite ends and the second extension 22d, the first extension 22c are connected to the level and support Socket part 211, the second extension 22d is connected to the vertical abutting part 212.In the present embodiment, the check valve 22 In the second bleeding point 21a, first extension and the second extension are and extend the valve body 22b two valve body 22b The thin plate at end.Using the first extension 22c and the second extension 22d respectively with the water of the second bleeding point 21a Flat against connect and vertically abutting part 212 abut such that it is able to the check valve 22 is securely seated between the second bleeding point 21a Place.It is understood that in other embodiments, the second bleeding point 21a can also be circular port, U-shaped hole etc..

In the present embodiment, the air-flow groove 22a is the passage being opened on the check valve 22, the check valve 22 are made of silica gel material, when the vacuum extractor 10 vacuumizes completion, the compressive deformation of the check valve 22, so that institute State the second bleeding point 21a and air-flow groove 22a and realize sealing.Specifically, when the vacuum extractor 10 be connected with container 21 into When row is vacuumized, there is gap 22e, now, institute between the inwall of the outer wall of the valve body 22b and the second bleeding point 21a State air-flow groove 22a to be connected with the gap 22e, the gas in the container to be connected 21 is via the gap 22e to described Air-flow groove 22a air inlets, and then realize entering to the air exhaust nozzle 131 to the evacuation passageway via the air-flow groove 22a Gas, so as to realize connecting the second bleeding point 21a and the air exhaust nozzle 131 by the check valve 22, and then realizes taking out true Sky, as shown in Figure 9.

As shown in Figure 10, when the vacuum extractor 10 vacuumizes completion, because the valve body 22b is silica gel material, Therefore easy compressive deformation so that the outer wall of the valve body 22b is pressurized and is close to the inwall of the second bleeding point 21a, i.e. institute State between the outer wall of valve body 22b and the inwall of the second bleeding point 21a there is no the gap 22e, therefore, gas cannot be through By the gap 22e to the air-flow groove 22a air inlets, then now, the gas in the container to be connected 21 stops to air-flow Groove 22a air inlets, now, air-flow groove 22a no longer to the evacuation passageway air inlet, so that it is guaranteed that the container to be connected 21 The negative pressure value after vacuumizing inside is remained, and then ensures that the inside of the container to be connected 21 enters without outside air so that Food remains fresh taste.

In the present embodiment, illustrated so that the container 21 is as crisper as an example.The container 21 includes having to be opened Box body 21b, the sealing ring 21c located at the box body 21b peripheries and lid 21d, the lid 21d of mouth close the box body The opening of 21b simultaneously compresses the sealing ring 21c, and the second bleeding point 21a, and described second are offered on the lid 21d Bleeding point 21a is communicated in the box body 21b.Using the sealing function of the sealing ring 21c, extraneous gas from institute can be prevented The junction for stating the lid 21d and box body 21b enters, it is ensured that the vacuum state in the box body 21b.Preferably, the box May be used to hold food in body 21b, such as fresh fruit, fruit juice or soup etc..When the vacuum extractor 10 has been vacuumized Cheng Hou, the vacuum extractor 10 can be separated with the box body 21b and lid 21d, in order to the container 21 is individually carried It is outgoing.

Further, separated with lid 21d for the ease of the box body 21b, the lid 21d can be by the side of buckle Formula is fastened and connected with the box body 21b, in order to be cleaned to the box body 21b after installing food.

Further, for the ease of the connection of the vacuum extractor 10 and the container 21, the upper table of the lid 21d Face is convexly equipped with an annular protrusion 213, and the bottom of housing 11 of the vacuum extractor 10 is sticked in the annular protrusion 213.Tool Body ground, the loading plate 12a of the vacuum extractor 10 is sticked in the annular protrusion 213, so that when user needs to take out true When empty device 10 is attached with lid 21d, the bottom of vacuum extractor 10 need to be only sticked in the annular protrusion 213, Without additionally setting positioning, you can quickly and easily with the lid 21d be connected the vacuum extractor 10 by realization, Jin Erneng Enough vacuumized.

Further, user opens the lid 21d after evacuation for convenience, is provided with the lid 21d and unloaded Pressure hole (not shown), and relief valve (not shown) is provided with the pressure relief vent.Need to open the lid 21d after vacuumizing When, only need to open the relief valve, you can realize opening the lid 21d.It is understood that in other embodiments, also Row pressure structure can be set on the check valve 22, can also realize easily opening the lid 21d, be client using providing It is convenient.

During operation, first the lid 21d and box body 21b is connected, then by the vacuum extractor 10 and the box The annular protrusion 213 for covering 21d is connected, and then presses the switch key 17a, and the minipump 13 is started working, via Be evacuated inside 131 pairs of containers 21 of the air exhaust nozzle, when the pressure value in the container 21 reach default negative pressure value (- 50~-90) during kpa, the switch is pressed again, the minipump 13 is stopped, and the instruction device sends prompting Indicate；Now, the vacuum extractor 10 can be separated with the container 21, effect of the container 21 in the check valve 22 Under, still under above-mentioned pressure value, i.e. the inside of the container 21 is in vacuum state, therefore, it is possible to cause to be contained in the appearance Food in device 21 keeps fresh mouthfeel.

Used cooperatively with the container 21 using by the vacuum extractor 10 such that it is able to container 21 is carried out to take out true Sky, the preservation of instant food, it is ensured that the fresh taste of food.Further, since the container 21 is with the vacuum extractor 10 It is detachably connected, therefore, after the completion of vacuumizing, container 21 can be separated with vacuum extractor 10, thus in outgoing carrying, The two can separate and carry, and what the whole evacuation storage device 20 of reduction was assembled together takes up room, and then facilitates user to carry. Additionally, the vacuum extractor 10 can be supported the use with different types of container 21, such as cup, crisper or sack etc. are applicable Scope is wide.

It is the structural representation of the charging equipment 30 that the utility model embodiment is provided also referring to Figure 11 to Figure 12. The charging equipment 30 includes charging base 31 and above-mentioned vacuum extractor 10, and the vacuum extractor 10 is detachably located at institute Charging base 31 is stated, the charging base 31 is used to charge the power supply 14a of the vacuum extractor 10.In the present embodiment, The charging base 31 is plastic parts, to have the advantages that light weight, facilitates the outgoing carrying of user.

In the present embodiment, the charging base 31 includes pedestal 31a, is provided with the first conduction on the pedestal 31a and draws Pin 311, the bottom of housing 11 of the vacuum extractor 10 is correspondingly arranged on the second conductive pin 18, second conductive pin 18 The circuit board 15 and power supply 14a of the vacuum extractor 10 are electrically connected to, when the vacuum extractor 10 is removably connected to When on the pedestal 31a, first conductive pin 311 is contacted with second conductive pin 18, so that pedestal 31a pairs The power supply 14a of the vacuum extractor 10 charges.Specifically, the pedestal 31a is tapered cylinders structure, and the pedestal 31a Small end be obliquely installed with respect to its big end, the pedestal 31a includes an accommodating chamber 312, is used to house the fixation vacuum means Put 10.Preferably, the accommodating chamber 312 is the circular cavity matched with the profile of housing 11 of the vacuum extractor 10, institute State the part of vacuum extractor 10 to be positioned in the accommodating chamber 312, to realize charging the vacuum extractor 10.

Further, first conductive pin 311, the vacuum means are provided with the bottom of the accommodating chamber 312 The part of housing 11 for putting 10 is positioned in the accommodating chamber 312.Preferably, it is provided with charging on the bottom of the accommodating chamber 312 Contact, the loading plate 12a of the vacuum extractor 10 draws towards corresponding first conduction in the one side of the accommodating chamber 312 Pin 311 is provided with second conductive pin 18, when the vacuum extractor 10 is positioned in the accommodating chamber 312, institute State the first conductive pin 311 to be contacted with second conductive pin 18 such that it is able to which the vacuum extractor 10 is charged in realization.

Further, for the ease of the fixation vacuum extractor 10 and to ensure that the vacuum extractor 10 is positioned over described During accommodating chamber 312, first conductive pin 311 corresponding with the second conductive pin 18 can be contacted, in the accommodating chamber 312 Fixture block 313 is additionally provided with bottom, the bottom of housing 11 of the vacuum extractor 10 is corresponding to be provided with draw-in groove (not shown), institute State draw-in groove to engage with the fixture block 313, so that the housing 11 of the vacuum extractor 10 is connected with the pedestal 31a.Can manage Solution, can also be provided with draw-in groove, the bottom of housing 11 of the vacuum extractor 10 on the bottom of the accommodating chamber 312 certainly It is corresponding to be provided with fixture block.

Further, the charging base 31 is including charging circuit board 31c and is used to the socket for being connected to external power supply (not Diagram) or plug, the charging circuit board 31c is electrically connected to first conductive pin 311, and the socket or plug are electrical The circuit board 15 and first conductive pin 311 are connected to, so that when the vacuum extractor 10 is positioned over the receiving In chamber 312, and cause that the second conductive pin 18 on the vacuum extractor 10 draws with the first conduction in the accommodating chamber 312 When the correspondence of pin 311 is contacted, enable to first conductive pin 311 conductive to second conductive pin 18, with reality Power supply 14a in 31 pairs of vacuum extractors 10 of the existing charging base charges.It is understood that in other implementations In example, can also set in the charging base 31 and be electrically connected to first conductive pin 311 and charging circuit board 31c Battery, is charged using the battery to the power supply 14a of the vacuum extractor 10.

In the present embodiment, charge condition is known in time for the ease of user, be provided with the pedestal 31a outer walls and filled Electric indicator lamp 314, the charging indicator light 314 is used to indicate the power supply 14a charge conditions of the vacuum extractor 10.Specifically Ground, when the vacuum extractor 10 proceeds by charging, the charging indicator light 314 sends the light of red；And when described During 10 charging complete of vacuum extractor, the charging indicator light 314 sends the light of green.Using the charging indicator light 314 The different light for sending indicate the charged state of the vacuum extractor 10, consequently facilitating user knows charge condition in time.

The charging equipment 30 that the utility model embodiment is provided, accommodating chamber is provided with by the charging base 31 312 place the vacuum extractor 10, and first conductive pin 311 is then provided with accommodating chamber 312, and correspondence is taking out true The bottom of 10 housing of empty device 11 set the second conductive pin 18, when need the vacuum extractor 10 is charged when, only need by The vacuum extractor 10 is placed in the accommodating chamber 312, and causes second conductive pin 18 and first conductive pin 311 correspondence contacts, can realize being powered turning on and the power supply 14a in vacuum extractor 10 is charged.Charging modes are simple simultaneously And it is quick, without setting charging inlet or charging plug etc. on vacuum extractor 10 so that the vacuum extractor 10 is overall It is simple for structure, tidy up the placement vacuum means while placing the vacuum extractor 10 using the charging base 31 and can also reduce Space hold problem when putting 10.

Vacuum extractor 10, evacuation storage device 20 and charging equipment 30 that the utility model is provided, by taking out true Circuit board 15 and battery are set in the housing 11 of empty device 10, vacuum extractor 10 is powered using battery, so that The vacuum extractor 10 can be applied to power failure or open air etc., and other do not have occasions of external power supply 14a to needing to vacuumize Food vacuumized so that the scope of application of the vacuum extractor 10 is wider；Meanwhile, by the housing 11 Upper setting the first bleeding point 111a is used to be connected to the container 21, therefore, it is possible to be carried out with different types of container 21 Support the use, meet the different use demands of user.Additionally, using charging base 31 using contact charging modes to vacuumizing Device 10 is charged, charging modes simple and fast, user-friendly.

Embodiments described above, does not constitute the restriction to the technical scheme protection domain.It is any in above-mentioned implementation Modification, equivalent and improvement made within the spirit and principle of mode etc., should be included in the protection model of the technical scheme Within enclosing.

Claims (27)

1. a kind of vacuum extractor, it is characterised in that it includes

Housing, including host cavity, are provided with the first bleeding point in the host cavity, first bleeding point is used to be connected to the company for the treatment of Connect container；

Support frame, in the host cavity；

Minipump, on support frame as described above, the minipump includes air exhaust nozzle and exhaust nozzle, the air exhaust nozzle Pipeline is connected to first bleeding point, and first bleeding point and the air exhaust nozzle and the minipump inner space Opposing seal so that the gas in container to be connected via first bleeding point to the air exhaust nozzle air inlet；

Power supply module, the power supply module includes power supply and power shelf, and the power shelf is located at the minipump one End, the power supply is electrically connected to the minipump, and the power supply is on the power shelf；And

Circuit board, located at one end of the power shelf, and the circuit board is electrically connected to the power supply and described miniature true Empty pump.

2. vacuum extractor as claimed in claim 1, it is characterised in that the host cavity is hollow cavity, the support Frame includes loading plate and the fixed frame on the loading plate, and the loading plate is located at the bottom of the host cavity, and The loading plate closes the one end open of the host cavity, and first bleeding point is described miniature true on the loading plate Empty pump is on the fixed frame.

3. vacuum extractor as claimed in claim 2, it is characterised in that the fixed frame is hollow cylindrical shell, and Supporting construction is provided with the fixed frame, the micro vacuum pump portion is located in the fixed frame, and described miniature One end end face of vavuum pump is connected to the supporting construction.

4. vacuum extractor as claimed in claim 3, it is characterised in that the supporting construction includes reinforcing plate and support column, The reinforcing plate is polylith, and respectively along the angled spread configuration in center of the fixed frame, one end of the reinforcing plate is fixed The inwall of the fixed frame is connected to, the other end is connected to the outer wall of the support column, and the support column is hollow cylinder Body structure, one end end face of the minipump is connected to the end face of the support column, and the minipump exhaust Mouth is located in the support column.

5. the vacuum extractor as described in claim 3 or 4, it is characterised in that be provided with the loading plate towards described micro- The pillar that type vavuum pump is set, first bleeding point is the through hole for being opened in the pillar center, and first bleeding point In the fixed frame.

6. vacuum extractor as claimed in claim 2, it is characterised in that the vacuum extractor also includes cover plate, the lid Plate is covered on the housing, and host cavity described in the cover closure away from the one end open of support frame as described above, on the cover plate Switch key is provided with, the switch key is electrically connected to the circuit board and the minipump, is used to control described Minipump is turned on and off.

7. vacuum extractor as claimed in claim 6, it is characterised in that groove is offered on the cover plate, the switch is pressed Key includes switch sections and key part, and the switch sections are stretched into the groove and are electrically connected with the circuit board, institute State key part and be connected to the switch sections, and the key part closes the groove.

8. vacuum extractor as claimed in claim 1, it is characterised in that the minipump include the pump housing and with the electricity The motor that road plate is electrically connected with, the pump housing on support frame as described above, the relative degree of vacuum of the pump housing for -50kpa~- 90kpa, the power of the motor is 1W~40W, and the voltage of the motor is 3V~36V.

9. vacuum extractor as claimed in claim 1, it is characterised in that the power shelf includes the first framework, fixed plate And second framework, first framework is set towards the minipump, and first frame hub is located at described miniature true The outside of empty pump, the fixed plate is connected to one end of first framework, and second framework is located in the fixed plate, institute Power unit is stated to be located in second framework.

10. vacuum extractor as claimed in claim 9, it is characterised in that be provided with extension board on first framework, it is described Extension board is extended towards the minipump, and one end of the extension board is connected to support frame as described above, the extension Plate towards avoiding hollow groove is offered on one end of the minipump, stretch out outside the avoiding hollow groove by one end of the air exhaust nozzle.

11. vacuum extractors as claimed in claim 1, it is characterised in that the circuit board sets with power supply module interval Put, and heat shield is provided between the circuit board and the power supply module.

12. vacuum extractors as claimed in claim 1, it is characterised in that the vacuum extractor also includes mounting bracket, institute Mounting bracket is stated to be set with the supply cell, and the mounting bracket is adjacent to the top of the host cavity, the circuit board peace Loaded in the mounting bracket.

13. vacuum extractors as claimed in claim 1, it is characterised in that the housing is hollow cylindrical structural, and institute Outer its bottom without leave of housing is stated to top contraction.

14. a kind of evacuation storage devices, it is characterised in that the evacuation storage device includes container and such as claim Vacuum extractor described in 1 to 13 any one, the vacuum extractor is removably connected to the container.

15. evacuation storage devices as claimed in claim 14, it is characterised in that the evacuation storage device also includes single To valve, the second bleeding point of the first bleeding point for being communicated to vacuum extractor is offered on the container, the check valve is located at On second bleeding point, the air-flow groove for being communicated to second bleeding point is offered on the check valve, described first takes out Gas port is connected with the air-flow groove and forms gas channel, so that the gas in the container can be via the air-flow groove To first bleeding point to the air exhaust nozzle air inlet.

16. evacuation storage devices as claimed in claim 15, it is characterised in that the shape of cross section of second bleeding point Be stairstepping, including horizontal abutting part and with the horizontal vertically disposed vertical abutting part of abutting part, the check valve bag Include valve body and respectively extend from first extension and the second extension of the valve body opposite end, first extension is supported The horizontal abutting part is connected to, second extension is connected to the vertical abutting part.

The 17. evacuation storage device as described in claim 15 or 16, it is characterised in that the check valve uses silica gel material It is made, when the vacuum extractor vacuumizes completion, the check valve compressive deformation, so that second bleeding point is with respect to institute State the sealing of the first bleeding point.

18. evacuation storage devices as claimed in claim 14, it is characterised in that the container is crisper, cup or bag Son.

19. evacuation storage devices as claimed in claim 17, it is characterised in that the container is crisper, including is had The box body of opening, sealing ring and lid located at the box body periphery, the lid are closed the opening of the box body and are compressed The sealing ring, offers second bleeding point on the lid, and second bleeding point is communicated in the box body.

20. evacuation storage devices as claimed in claim 19, it is characterised in that the upper surface of the lid is convexly equipped with a ring Shape is raised, and the housing bottom of the vacuum extractor is sticked in the annular protrusion.

21. evacuation storage devices as claimed in claim 19, it is characterised in that pressure relief vent is provided with the lid, and Relief valve is provided with the pressure relief vent.

22. a kind of charging equipments, it is characterised in that take out true including charging base and as described in claim 1 to 13 any one Empty device, the vacuum extractor is detachably located at the charging base, and the charging base is used to the vacuum extractor Power source charges.

23. charging equipments as claimed in claim 22, it is characterised in that the charging base includes pedestal, on the pedestal The first conductive pin is provided with, the housing bottom of the vacuum extractor is correspondingly arranged on the second conductive pin, and described second leads Electric pin is electrically connected to the circuit board and power supply of the vacuum extractor, when the vacuum extractor be removably connected to it is described When on pedestal, first conductive pin is contacted with second conductive pin, so that the pedestal is to the vacuum extractor Power source charges.

24. charging equipments as claimed in claim 23, it is characterised in that the pedestal includes an accommodating chamber, the accommodating chamber Bottom on be provided with first conductive pin, the housing parts of the vacuum extractor are positioned in the accommodating chamber.

25. charging equipments as claimed in claim 24, it is characterised in that be additionally provided with the bottom of the accommodating chamber fixture block or Draw-in groove, the housing bottom of the vacuum extractor is corresponding to be provided with draw-in groove or fixture block, and the fixture block engages with the draw-in groove, with The housing of the vacuum extractor is set to be connected with the pedestal.

26. charging equipment as described in claim 23 to 25 any one, it is characterised in that be provided with the pedestal outer wall Charging indicator light.

27. charging equipments as claimed in claim 23, it is characterised in that the charging base includes charging circuit board and is used to The socket or plug of external power supply are connected to, the charging circuit board is electrically connected to first conductive pin, the socket Or plug is electrically connected to the circuit board and first conductive pin；Or

The battery for being electrically connected to first conductive pin and the charging circuit board is provided with the charging base.