CN107499717A - Vacuum cover, stirring device with the vacuum cover and storage device - Google Patents

Abstract

A vacuum cover, a stirring device with the vacuum cover and a storage device with the vacuum cover comprise a vacuum cover body, a one-way valve, a micro vacuum pump, a circuit board and a power supply, wherein an air suction opening is formed in an accommodating cavity of the vacuum cover body; the one-way valve is arranged at the air extraction opening and provided with an air flow groove communicated to the air extraction opening; the micro vacuum pump is arranged in the containing cavity and comprises an air suction nozzle and an air exhaust nozzle, and the pipeline of the air suction nozzle is connected to the airflow groove of the one-way valve; the circuit board and the power supply are arranged in the accommodating cavity and electrically connected to the micro vacuum pump. The invention ensures that the vacuum cover has the function of vacuumizing by arranging the micro vacuum pump in the accommodating cavity. Therefore, when the stirring container needs to be vacuumized, the purpose of stirring after vacuumizing can be achieved only by replacing the cover of the common stirring container with the vacuum cover. When the user only needs single stirring function, only need to change back ordinary stirred vessel's lid can, need not additionally to be equipped with two mixers, satisfy the user and adopt a mixer can realize the demand of different functions.

Description

Vacuum cover, stirring device with the vacuum cover and storage device

technical field

The invention relates to the technical field of food storage and vacuum stirring, in particular to a vacuum cover, a stirring device with the vacuum cover and a storage device.

Background technique

In modern life, people have higher and higher requirements for food hygiene, energy conservation and environmental protection. In the family, a blender is usually used to stir powder and pasty foods such as jam, peanut butter, soybean powder, etc., and a blender is also used to stir foods with more juice such as fruits, so as to meet people's needs for different foods. However, because the fruit juice formed by stirring the fruit is usually easy to oxidize, if the vacuum treatment is not carried out, it will easily cause the situation of not fresh taste, which cannot meet the user's fresh-keeping needs. Pour it out, then pour it into a vacuum machine for vacuuming, and finally store it.

Although the existing stirring container itself can realize the vacuuming function, it can directly vacuumize the stirred juice without pouring out the juice. Yet this stirring vessel is because of the restriction of its vacuum function, therefore, can't be used for stirring powder, pasty food such as jam, peanut butter, bean powder, therefore, when needing to stir above-mentioned powder, pasty food, then need additional again. Equipped with a mixer, the operation is cumbersome, and it cannot meet the needs of users who can use a mixer to vacuumize and store and complete the mixing of paste.

Contents of the invention

In view of the above-mentioned problems in the prior art, the object of the present invention is to provide a vacuum cover that can be used in conjunction with a stirring container, a stirring device and a storage device with the vacuum cover, so as to solve the stirring function and pumping of different foods. Vacuum function needs.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:

The first aspect of the present invention provides a vacuum cover, which includes

The vacuum cover body is used to connect the container to be connected, and the vacuum cover body has a storage cavity, and an air suction port is provided in the storage cavity;

A one-way valve is arranged at the air suction port, and an air flow groove connected to the air suction port is opened on the one-way valve;

A micro-vacuum pump is located in the housing cavity, the micro-vacuum pump includes a suction nozzle and an exhaust nozzle, and the suction nozzle pipe is connected to the air flow groove of the one-way valve to form a vacuuming channel;

The exhaust nozzle is used to discharge the air extracted by the air suction nozzle;

a circuit board, located in the receiving cavity, and electrically connected to the micro vacuum pump; and

The power supply is arranged in the accommodating chamber and is electrically connected to the circuit board and the micro vacuum pump.

As a feasible implementation, in the first aspect of the embodiment of the present invention, the cross-sectional shape of the air suction port is stepped, including a horizontal abutment portion and a vertical abutment vertically arranged to the horizontal abutment portion. The one-way valve includes a valve body and a first extension portion and a second extension portion respectively extending at opposite ends of the valve body, the first extension portion abuts against the horizontal abutment portion, the The second extension part abuts against the vertical abutment part.

As a feasible implementation, in the first aspect of the embodiments of the present invention, the one-way valve is made of silica gel, and when the vacuum cover is vacuumed, the one-way valve is deformed under pressure to The airflow groove is sealed relative to the air suction port.

As a feasible implementation, in the first aspect of the embodiment of the present invention, the vacuum cover further includes a one-way valve gland, the one-way valve gland is arranged on the one-way valve, and the The one-way valve gland is provided with a communication hole corresponding to the position of the air flow groove, and the air suction nozzle extends into the communication hole through a connecting pipe and is connected with the air flow groove.

As a feasible implementation mode, in the first aspect of the embodiment of the present invention, a pressure relief hole is also opened in the storage chamber, the pressure relief hole is set away from the air suction port, and the pressure relief hole is Equipped with relief valve.

As a feasible implementation manner, in the first aspect of the embodiment of the present invention, the vacuum cover further includes a cover plate, the cover plate covers the vacuum cover body and closes the storage cavity, and the cover A switch button is arranged on the board, and the switch button is electrically connected to the circuit board.

As a feasible implementation, in the first aspect of the embodiment of the present invention, an escape groove is provided on the cover plate at a position corresponding to the pressure relief valve, and the pressure relief valve partially exposes the relief groove. Empty slot.

As a feasible implementation manner, in the first aspect of the embodiment of the present invention, a charging interface for connecting to an external power supply is also provided on the cover.

As a feasible implementation, in the first aspect of the embodiment of the present invention, a fixing frame for supporting and fixing the micro vacuum pump is also provided in the receiving cavity, and the fixing frame includes a plurality of fixing plates and a The bearing slots on the fixing plate, a plurality of the fixing plates are arranged at intervals on the bottom wall of the storage cavity, and the micro vacuum pump is penetrated in the bearing slots.

As a feasible implementation manner, in the first aspect of the embodiment of the present invention, the vacuum cover further includes a buffer layer, and the buffer layer covers the outer periphery of the micro vacuum pump.

Preferably, the buffer layer is a silica gel sheet, a sponge sheet or a foam sheet.

As a feasible implementation manner, in the first aspect of the embodiments of the present invention, the power supply is arranged away from the miniature vacuum pump, and the power supply is fixed in the storage chamber through a power supply bracket.

As a feasible implementation, in the first aspect of the embodiment of the present invention, the micro-vacuum pump includes a pump body and a motor electrically connected to the pump body, and the relative vacuum degree of the pump body is -50kPa～ -90kpa, the power of the motor is 1W-40W, and the voltage of the motor is 3V-36V.

As a feasible implementation manner, in the first aspect of the embodiment of the present invention, the vacuum cover body is a square cover, a circular cover or an oval cover.

As a feasible implementation manner, in the first aspect of the embodiments of the present invention, the vacuum cover further includes an indicating device, the indicating device is electrically connected to the circuit board and the micro vacuum pump to indicate the Describe the working status of the micro vacuum pump.

In a second aspect, the present invention also provides a stirring device, the stirring device includes a stirring container and the above-mentioned vacuum cover, and the vacuum cover is detachably connected to the stirring container.

As a feasible implementation, in the second aspect of the embodiment of the present invention, a seal is provided on the outer periphery of the vacuum cover, and when the vacuum cover is connected to the stirring container, the seal is pressed against the Between the vacuum cover and the inner wall of the stirring vessel.

Preferably, the sealing element is an annular sealing ring, and the sealing element is tightly sleeved on the outer periphery of the vacuum cover.

Preferably, the sealing member is a multi-ring sealing ring.

As a feasible implementation manner, in the second aspect of the embodiment of the present invention, the stirring device further includes a stirring base, a stirring knife assembly is arranged on the stirring base, and the stirring container corresponds to the stirring knife assembly An opening is opened at the position, so that the knife head of the stirring knife assembly passes through the opening and is located in the stirring container.

As a feasible implementation, in the second aspect of the embodiment of the present invention, the stirring base includes a seat and a support assembly, the seat is detachably connected to the stirring container, and the support assembly includes a knife seat , a bearing bracket and a bearing, the knife holder is arranged on the base body, and is arranged towards the opening of the stirring container, the knife holder is provided with a fixing hole, and the bearing bracket is arranged in the fixing hole, The bearing is fixedly connected to the bearing bracket, and one end of the bearing exposes the fixing hole, so that the stirring knife assembly is fixedly connected to the end of the bearing exposing the fixing hole.

Preferably, a bump is provided on the stirring container, the protruding direction of the bump is toward the base, and the opening passes through the bump.

Preferably, a clamping block or a clamping slot is provided on the periphery of the protrusion, and a clamping slot or a clamping block is correspondingly provided on the position of the seat body corresponding to the protruding block, and the clamping block and the clamping slot engage joint connection, so that the stirring container is connected with the base; or

An external thread is provided on the periphery of the protrusion, and an internal thread is provided on the seat corresponding to the protrusion, and the external thread is screwed to the internal thread.

Preferably, the knife seat includes a first contact surface, the protrusion includes a second contact surface facing the knife seat, and the first contact surface abuts against the second contact surface.

Preferably, a sealing structure is provided on the first contact surface of the knife seat, and the sealing structure is pressed between the first contact surface and the second contact surface.

Preferably, the sealing structure is a gasket or gasket.

As a feasible implementation, in the second aspect of the embodiment of the present invention, the support assembly further includes a connection head and a skeleton oil seal, the connection head is fixedly connected to the other end of the bearing, and the skeleton oil seal is pressed Tight at the joint between the bearing and the bearing bracket.

As a feasible implementation manner, in the second aspect of the embodiment of the present invention, the stirring base further includes a base cover, and the base cover is fixedly connected to the base body.

In a third aspect, the present invention provides a storage device, the storage device includes a storage container and the above-mentioned vacuum cover, and the vacuum cover is detachably connected to the storage container.

As a feasible implementation manner, in the third aspect of the embodiments of the present invention, the storage container is a cup or a crisper.

Compared with the prior art, the vacuum cover provided by the present invention, the stirring device and the storage device with the vacuum cover have the following beneficial effects:

(1) It is possible to vacuumize the stirring container without additionally connecting a vacuum machine. In the present invention, the vacuum pumping function can be realized by arranging the miniature vacuum pump in the accommodation chamber of the vacuum cover body. Therefore, when it is necessary to vacuumize the common stirring vessel, the vacuum cover can be used to achieve the purpose of vacuuming only by replacing the cover of the common stirring vessel. Therefore, before the user stirs food such as fruits, the vacuum cover can be used to vacuumize, and at the same time, a one-way valve is set to connect with the suction port and the suction nozzle of the micro-vacuum pump, so as to complete the vacuuming and keep the vacuum in the container. Negative pressure value ensures that the container maintains a vacuum environment, thereby ensuring food freshness; and when users need to stir powdery or pasty food, they only need to replace the lid of the ordinary mixing container, no need to equip two additional mixers , which is convenient for users to operate, and meets the needs of users who can realize different functions with one mixer.

(2) It can be used with various containers. Because the vacuum cover can realize the vacuum function, when the vacuum cover is used with ordinary containers, it can also vacuumize the food in the ordinary container, so as to achieve freshness Features, convenient operation and wide application range.

(3) It can be used in occasions such as power outages or outdoors, and has a wide range of applications. The vacuum cover provided by the present invention arranges a circuit board and a power supply in the storage chamber of the vacuum cover, and uses the power supply to supply power to the micro vacuum pump, so that the vacuum cover can be used in power outages or other outdoor occasions without external power supply. Vacuumize the food, so that the vacuum cover has a wider application range and is convenient for users to use in any occasion.

(4) Light weight and compact overall structure. The present invention arranges the micro-vacuum pump, the circuit board and the power supply in the accommodation cavity of the vacuum cover body, so the whole structure is very compact and light, which is convenient for users to carry.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a schematic structural view of a vacuum cover provided by an embodiment of the present invention;

Fig. 2 is an exploded schematic diagram of a vacuum cover provided by an embodiment of the present invention;

Fig. 3 is a schematic structural view of a vacuum cover (cover plate omitted) provided by an embodiment of the present invention;

Fig. 4 is the IV direction sectional view of Fig. 3;

Fig. 5 is a schematic structural diagram of a vacuum lid body provided by an embodiment of the present invention;

Fig. 6 is a schematic structural view of the one-way valve provided by the embodiment of the present invention before vacuuming;

Fig. 7 is a schematic structural view of the one-way valve provided by the embodiment of the present invention after vacuuming;

Fig. 8 is a schematic structural diagram of a stirring device provided by an embodiment of the present invention;

Fig. 9 is an exploded schematic diagram of a stirring device provided by an embodiment of the present invention;

Fig. 10 is an X-direction sectional view of Fig. 8;

FIG. 11 is a partially enlarged view taken along the XI direction of FIG. 10 .

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

For ease of description, spatially relative terms such as "under", "beneath", "below", "above", "on" and other spatially relative terms may be used herein to describe an element as shown in the drawings Or the relationship of a feature to another element or feature(s). It will be understood that when an element or layer is referred to as being "on," "connected to," or "coupled to" another element or layer, it can be directly on, directly on, or directly on the other element or layer. Connected or coupled to another element or layer, or intervening elements or layers may be present.

It should be understood that the terminology used herein is only used to describe specific embodiments, not to limit the present invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms unless the context clearly dictates otherwise. Further, when used in this specification, the term "comprises" and/or "comprises" indicates the existence of said features, integers, steps, elements and/or components, but does not exclude one or more other features, integers, The presence or addition of steps, elements, components and/or combinations thereof. The following descriptions in the specification are preferred implementation modes for implementing the present invention, but the descriptions are for the purpose of illustrating the general principles of the present invention, and are not intended to limit the scope of the present invention. The scope of protection of the present invention should be defined by the appended claims.

Please refer to FIG. 1 to FIG. 7 , which are a vacuum cover 10 provided by the present invention, which is used to vacuumize the container to be connected with food, so as to keep food fresh and prolong the shelf life of food. Wherein, the vacuum cover 10 includes a vacuum cover body 11, a one-way valve 12, a micro vacuum pump 13, a circuit board 14 and a power supply 15, the vacuum cover body 11 is used to connect the container to be connected, and the vacuum cover body 11 has a receiving cavity 11a, The receiving cavity 11a is provided with an air suction port 111 . The one-way valve 12 is disposed at the air suction port 111 , and an air flow groove 121 connected to the air suction port 111 is opened on the one-way valve 12 . The micro-vacuum pump 13 is located in the housing cavity 11a, and includes a suction nozzle and an exhaust nozzle, and the suction nozzle pipeline is connected to the air flow groove 121 of the check valve 12 to form a vacuum passage; the exhaust nozzle is used for the suction nozzle The extracted air is exhausted. The circuit board 14 is disposed in the receiving cavity 11 a and is electrically connected to the micro vacuum pump 13 . The power supply 15 is disposed in the receiving cavity 11 a and is electrically connected to the circuit board 14 and the micro vacuum pump 13 . The vacuum lid 10 provided by the embodiment of the present invention can be used as a lid to be used in conjunction with a stirring container or a storage container to achieve the functions of vacuuming and vacuum preservation, thereby maintaining the fresh taste of food. At the same time, because it has a built-in power supply 15, it can be used in places without mains electricity such as outdoors, and has a wide range of applications. Specifically, when the vacuum cover 10 is used in conjunction with the stirring container, it is only necessary to replace the matching cover of the stirring container with the vacuum cover 10, which can be used to vacuumize the food before stirring, and use the vacuum cover 10 to perform vacuuming first. After vacuuming, stir again, so as to ensure the fresh taste of the food after stirring. When the vacuum cover 10 is used in conjunction with the storage container, it only needs to be closed on the storage container to vacuumize the inside of the container. Prolonging the storage time of food can also ensure the fresh taste of food after storage.

In this embodiment, the vacuum lid body 11 is a square lid, a circular lid or an oval lid, so as to be used with containers of different shapes. For portability, the vacuum cover body 11 is a plastic part, which has the advantage of light weight. The receiving cavity 11a is a square cavity, a circular cavity or an elliptical cavity, etc. opened in the vacuum cover body 11, so as to have enough space to set the micro vacuum pump 13, the power supply 15 and the circuit board 14, etc., so that the overall structure of the vacuum cover 10 is compact and small, and the appearance decoration effect is better.

The cross-sectional shape of the air suction port 111 is stepped, including a horizontal abutment portion 111a and a vertical abutment portion 111b perpendicular to the horizontal abutment portion 111a, and the one-way valve 12 includes a valve body 12a and a valve body 12a respectively The first extension part 12b and the second extension part 12c extending on opposite ends of the valve body 12a, the first extension part 12b abuts against the horizontal abutment part 111a, and the second extension part 12c abuts against the horizontal abutment part 111a The vertical contact portion 111b. In this embodiment, the valve body 12a of the one-way valve 12 is arranged in the air suction port 111, and the first extension part 12b and the second extension part 12c are thin plates extending from both ends of the valve body 12a. . The first extension portion 12b and the second extension portion 12c abut against the horizontal abutment portion 111a and the vertical abutment portion 111b of the air suction port 111 respectively, so that the one-way valve 12 can be firmly fixed. fixed at the suction port 111. It can be understood that, in other embodiments, the air suction port 111 may also be a circular hole, a U-shaped hole, or the like.

In this embodiment, the airflow groove 121 is a ventilation hole opened on the one-way valve 12. The one-way valve 12 is made of silica gel. When the vacuum cover 10 is vacuumed, the The one-way valve 12 is deformed under pressure, so that the air suction port 111 and the airflow groove 121 are sealed. Specifically, when the vacuum cover 10 is connected to the container to be connected for vacuuming, there is a gap 12d between the outer wall of the valve body 12a and the inner wall of the suction port 111, and at this time, the airflow groove 121 and The gap 12d is connected, and the gas in the container to be connected enters the gas flow groove 121 through the gap 12d, so as to realize the air flow from the vacuum channel to the suction nozzle through the gas flow groove 121. Intake air, so as to achieve the connection between the air suction port 111 and the air suction nozzle through the one-way valve 12, and then realize vacuuming, as shown in FIG. 6 .

As shown in Figure 7, when the vacuum cover 10 is vacuumed, since the valve body 12a is made of silicone material, it is easy to be deformed under pressure, so that the outer wall of the valve body 12a is pressed against the air inlet. 111, that is, there is no longer the gap 12d between the outer wall of the valve body 12a and the inner wall of the air suction port 111, so the gas cannot enter the gas flow groove 121 through the gap 12d, Then at this time, the gas in the container to be connected stops to enter the air flow groove 121, and at this time, the air flow groove 121 no longer enters the air to the vacuum passage, thereby ensuring that the container to be connected is always kept pumped. The negative pressure value after vacuum ensures that no outside air enters the inside of the container to be connected, so that the food always maintains a fresh taste.

Further, in order to facilitate the connection between the one-way valve 12 and the suction nozzle, the vacuum cover 10 also includes a one-way valve gland 16, and the one-way valve gland 16 is set on the one-way valve. 12, and the one-way valve gland 16 is provided with a communication hole (not shown), the air suction nozzle extends into the communication hole through the connecting pipe 131a, and is connected with the air flow groove 121 . Specifically, the above-mentioned one-way valve gland 16 can be made of silicone material, so as to facilitate deformation under pressure during vacuuming. The communication hole is a through hole opened on the one-way valve gland 16, and the aperture of the communication hole matches the connection pipe 131a of the air suction nozzle, so that the connection pipe 131a can enter the communication hole. The hole is connected with the airflow groove 121 . Adopting the design of setting the one-way valve gland 16 on the one-way valve 12 can further ensure the airtightness of the connection between the one-way valve 12 and the suction nozzle, preventing gas from passing through the one-way valve. The valve 12 is released into the storage chamber 11a.

Further, in order to facilitate the user to open the vacuum cover 10 after vacuuming, a pressure relief hole 17 is also opened in the storage chamber 11a, the pressure relief hole 17 is set away from the air suction port 111, and the pressure relief hole 11 A pressure relief valve 17a is provided on the pressure hole 17 to discharge the pressure in the container to be connected so that the user can open the vacuum cover 10 . Preferably, when the user needs to separate the vacuumized container to be connected from the vacuum cover 10, only the pressure relief valve 17a needs to be opened. At this time, the one-way valve 12 is deformed under pressure, and the valve body 12a There is the gap 12d between the outer wall and the inner wall of the air suction port 111, and the air pressure is discharged from the gap 12d to the pressure relief hole 17, so that the vacuum cover 10 can be opened conveniently, providing customers with convenient.

In this embodiment, in order to further facilitate the user's operation, the vacuum cover 10 further includes a cover plate 18, which is arranged on the vacuum cover body 11 and closes the storage cavity 11a, and the cover plate 18 18 is provided with a switch button 18 a, and the switch button 18 a is electrically connected to the circuit board 14 . Specifically, the switch button 18a is a silicone button so as to have a good and comfortable pressing feel. The switch button 18a is used to control the working state of the miniature vacuum pump 13 arranged in the receiving cavity 11a, that is, when the vacuum cover 10 is connected to the container to be connected for vacuuming, the switch button 18a can be pressed, That is, the micro-vacuum pump 13 starts to work to realize vacuuming; and when the switch button 18a is pressed again, the micro-vacuum pump 13 stops working, and at this time, the vacuuming process stops. The design of controlling the micro-vacuum pump 13 by setting the switch button 18a on the cover plate 18 can make the vacuuming working state of the vacuum cover 10 controllable, and it is also convenient for the user to operate. The user only needs to What is necessary is just to press the switch button 18a. It can be understood that, in other embodiments, the switch button 18a can also be a touch button.

In this embodiment, the cover plate 18 can be a square, circular or oval thin plate, depending on the cavity shape of the accommodating cavity 11a. In order to facilitate matching with the vacuum cover body 11, the cover plate 18 can also be made of plastic material. Use the cover plate 18 to cover the receiving chamber 11a, so that the micro vacuum pump 13, power supply 15 and circuit board 14 located in the receiving chamber 11a will not be exposed to the external environment, and prevent children from misuse. , can also block the wiring between the power supply 15, the micro vacuum pump 13 and the circuit board 14, so that the vacuum cover 10 can achieve a concise visual effect in terms of appearance decoration. Preferably, in order to facilitate the user to inspect and maintain the components in the storage chamber 11 a in real time, the cover plate 18 can be connected to the vacuum cover body 11 by means of a buckle connection or a fixed connection by screws.

Further, in order to further facilitate the user's operation, an escape groove 18c is provided on the cover plate 18 at a position corresponding to the pressure relief valve 17a, and the pressure relief valve 17a partially exposes the escape groove 18c. Therefore, when the vacuumed vacuum cover 10 needs to be separated from the container to be connected, it is only necessary to open the pressure relief valve 17a on the cover plate 18, which provides convenience for the user's operation.

In addition, a charging interface 18b for connecting to an external power supply is also provided on the cover plate 18, so as to realize charging the power supply 15 in the storage cavity 11a through an external power supply, and at the same time, the entire vacuum cover 10 can also be charged. power supply. It can be understood that a charging plug may also be directly provided on the receiving cavity 11a to replace the charging interface 18b, and be connected to an external power source through the charging plug.

The micro-vacuum pump 13 includes a pump body 13a and a motor 13b electrically connected to the circuit board 14, and the pump body 13a is provided with the suction nozzle and the exhaust nozzle. In this embodiment, in order to facilitate the discharge of the air drawn out by the air suction nozzle, an air outlet (not shown) may be opened on the vacuum cover body 11 at a position opposite to the exhaust nozzle, so as to In addition to the gas discharged by the micro-vacuum pump 13, the heat inside the housing cavity 11a can also be dissipated through the air outlet holes to realize the heat dissipation function.

Further, in order to facilitate the installation of the micro-vacuum pump 13 in the accommodation chamber 11a, a fixing frame for supporting and fixing the micro-vacuum pump 13 is also provided in the housing cavity 11a, and the fixing frame includes a plurality of fixing plates 13c and a bearing groove 13d opened on the fixing plate 13c, a plurality of fixing plates 13c are arranged at intervals on the bottom wall of the receiving cavity 11a, and the micro vacuum pump 13 is penetrated in the bearing groove 13d. Specifically, during molding, the fixing frame can be integrally formed with the receiving cavity 11a, so as to save processing steps.

In this embodiment, the relative vacuum degree of the pump body 13a is -50kpa～-90kpa, so that when the suction nozzle of the micro vacuum pump 13 is connected to the suction port 111 to vacuumize the container to be connected, it can be in a relative vacuum state, to vacuumize the food in the container to be connected, so as to keep the fresh taste of the food.

In this embodiment, the motor 13b may be a DC motor 13b, the power of the motor 13b is 1W-40W, and the working voltage is DC3V-36V to reduce energy consumption. Specifically, when the power supply 15 is used for power supply outdoors, since the power of the motor 13b is low, and the operating voltage is also low, it can realize vacuuming and reduce energy consumption, which greatly reduces the The probability that the power supply 15 is exhausted due to high energy consumption during the vacuuming process and the vacuuming cannot be continued. At the same time, since the energy consumption of the motor 13b is low, the service time of the power supply 15 can be extended. Preferably, in order to further reduce energy consumption and prolong the use time of the vacuum cover 10 in places without commercial power such as outdoors, the power of the motor 13b can be 1W, 2W, 3W, 5W, 10W, 15W, etc., the The rated operating voltage of the motor 13b can be DC3.5V, 4.5V, 7V, 12V or 30V, etc. It can be understood that, when it is desired to achieve the effect of fast vacuuming, the power of the motor 13b can also be 20W, 30W, 40W, etc.

In addition, in order to further slow down the vibration amplitude of the motor 13b of the micro-vacuum pump 13, the vacuum cover 10 also includes a buffer layer (not shown), and the buffer layer is arranged on the outer periphery of the micro-vacuum pump 13, thereby being able to The effects of cushioning and shock absorption reduce the vibration amplitude of the motor 13b of the miniature vacuum book, which is beneficial to improve user experience. Preferably, the buffer layer can be a silicone sheet, a sponge sheet or a foam sheet arranged on the outer periphery of the micro-vacuum pump 13 to realize its shock-absorbing and buffering function.

In this embodiment, the power supply 15 is arranged in the receiving chamber 11a away from the micro vacuum pump 13, so that the circuit board 14 is arranged between the power supply 15 and the micro vacuum pump 13, Thus, the arrangement of the circuit board 14, the power supply 15 and the micro-vacuum pump 13 in the storage cavity 11a can be made more compact, saving the internal space of the storage cavity 11a, and at the same time, it is also conducive to the electrical connection of the three , such as wiring settings, etc. It can be understood that, in other embodiments, the power supply 15 and the circuit board 14 can also be arranged at a position away from the micro-vacuum pump 13 in the storage cavity 11a according to wiring requirements, and then the power supply 15 is set to Between the micro vacuum pump 13 and the circuit board 14.

Further, the power supply 15 is fixed in the storage cavity 11a through the power supply bracket 15a, so that the power supply 15 is fixed in the storage cavity 11a, and at the same time, the power supply 15a can be used to make the power supply There is a certain distance between 15 and the bottom wall of the storage chamber 11a, so that the heat emitted by the power supply 15a can be dissipated through the distance, preventing the power supply 15 from being directly fixed on the bottom wall of the storage chamber 11a and causing heat Transfers directly to the design of the bottom wall.

In this embodiment, in order to be able to be recycled, the power source 15 can be a rechargeable battery, such as a lithium battery. Therefore, when there is a power failure or there is no commercial power outdoors, the vacuum cover 10 can be powered by the power supply 15 . It can be understood that, in other embodiments, the power source 15 can also be a general dry battery.

Further, the power supply 15 can be charged by using the charging interface 18b, so that the power supply 15 can be used repeatedly. Preferably, when the charging interface 18b is connected to an external power supply to charge the power supply 15, in order to facilitate the user to know the charging information in time, a charging indicator light (not shown) may be provided on the cover plate 18, when When the power supply 15 is charging, the charging indicator light emits red light; when the power supply 15 is fully charged, the charging indicator light emits green light. Therefore, the user can judge the charging state of the power supply 15 in time by viewing the color of the charging indicator light, which is convenient for the user to operate.

Further, in order to further facilitate the user to know the vacuuming process in time, the vacuum cover 10 also includes an indicating device (not shown), the indicating device is electrically connected to the circuit board 14 and the micro-vacuum pump 13 for Indicates the working status of the micro vacuum pump 13. Preferably, the indicating device can be an indicator light arranged on the cover plate 18, and when the miniature vacuum pump 13 starts to work, the indicator light lights up; when the miniature vacuum pump 13 stops working, the indicator light Lights off. Utilizing the indicating function of the indicating device, it is convenient for the user to observe the working condition of the micro vacuum pump 13 in real time. It can be understood that, in other embodiments, the indicator device can also be an alarm provided on the cover plate 18, and when the vacuum pumping by the miniature vacuum pump 13 is completed, the indicator device can give a sound reminder The user, so that it is convenient for the user to close the switch button 18a in time, and further improves the controllability of the vacuuming of the vacuum cover 10 .

The vacuum cover 10 provided by the embodiment of the present invention, by setting a micro vacuum pump 13 in the vacuum cover body 11, enables the vacuum cover 10 to realize the vacuuming function. Therefore, when the vacuum cover 10 needs to be connected with the container that needs to be vacuumed , such as a blender, only need to replace the original matching cover of the blender with the vacuum cover 10, the vacuum cover 10 can be used to vacuumize the mixer; and when the vacuum is completed, the vacuum cover can be replaced 10 Just replace the original matching cover with the mixer. In the same way, when the vacuum cover 10 needs to be connected with a general storage container, such as a cup, it is only necessary to connect the vacuum cover 10 with the cup to realize vacuuming the cup. After the vacuuming is completed, the vacuum cover 10 It can also be used as the cup cover of the cup to preserve the food in the cup, so that it is convenient for the user to carry it out, meets the user's needs for different functions, and is conducive to improving the experience of the user. In addition, a power supply 15 is provided in the vacuum cover 10, and the micro vacuum pump 13 is powered by the power supply 15, so that the vacuum cover 10 can be applied to occasions where there is a power failure or there is no external power supply outdoors, greatly improving the vacuum. Suitability of cover 10.

Please refer to Fig. 1, Fig. 8 to Fig. 11 together, it is a stirring device 20 provided by the embodiment of the present invention, including a stirring container 21 and a vacuum cover 10 as described above, the vacuum cover 10 is detachably connected to the stirring Container 21. The vacuum cover 10 is used to vacuumize the stirring container 21 to maintain the freshness of the food in the stirring container 21 .

Preferably, the vacuum cover 10 can be connected to the stirring container 21 through a screw connection or snap connection.

Specifically, in order to ensure the airtightness of the connection between the vacuum cover 10 and the stirring container 21, a sealing member 19 is provided on the outer periphery of the vacuum cover 10. When the vacuum cover 10 is connected to the stirring container 21, the The sealing member 19 is compressed between the vacuum cover 10 and the stirring container 21 . Preferably, the sealing member 19 is an annular sealing ring, and the sealing member 19 is tightly sleeved on the outer periphery of the vacuum cover 10 . By setting the sealing member 19 on the outer periphery of the vacuum cover 10, and the sealing member 19 is an annular sealing ring, when the vacuum cover 10 is connected to the stirring container 21, the sealing member can be 19 is squeezed between the vacuum cover 10 and the stirring container 21, so as to ensure the connection tightness between the vacuum cover 10 and the stirring container 21, and prevent gas from passing through the vacuum cover 10 and the stirring container 21. The joints between the stirring vessels 21 seep or seep.

Further, in order to further ensure the tightness and airtightness of the connection between the vacuum cover 10 and the stirring container 21 , the sealing member 19 is a multi-ring sealing ring. The method of adopting multi-ring sealing rings can further increase the sealing effect of the sealing member 19 on the connection between the vacuum cover 10 and the stirring container 21 . Preferably, the sealing member 19 can be made of silicone material or rubber material.

In this embodiment, in order to achieve the effect of rapid vacuuming, the capacity of the stirring container 21 can be set to be less than or equal to 1.5L, so as to be convenient for the user to carry while preventing the capacity of the stirring container 21 from being too large and The time for vacuuming the stirring container 21 by the vacuum cover 10 is increased. That is, when the capacity of the stirring container 21 is less than or equal to 1.5L, when the power of the motor 13b is 1W-40W, when the vacuum cover 10 is used to vacuumize the stirring container 21, the The vacuuming time is 10s~50s, so as to achieve fast vacuuming and save the user's use time. Therefore, when using the vacuum cover 10 to vacuumize the stirring container 21, if the power of the motor 13b is constant, and always adopts 1W-40W, then when the capacity of the stirring container 21 becomes smaller, the vacuuming The time for vacuuming is correspondingly reduced. For example, when the power of the motor 13b is 40w and the capacity of the stirring container 21 is 100ml-500ml, the time for vacuuming can be between 10s-20s. Therefore, users can choose containers of different capacities according to their actual conditions.

It can be understood that the capacity of the stirring container 21 can also be larger than 1.5L, but at this time, when the above-mentioned vacuum cover 10 is used to vacuumize the container, the vacuuming time will increase accordingly.

In order to facilitate the user to hold the stirring container 21, the stirring container 21 is provided with a handle 21a, and the user can hold the stirring container 21 by holding the handle 21a.

In order to facilitate stirring the food in the stirring container 21, in this embodiment, the stirring device 20 further includes a stirring base 22, on which a stirring knife assembly 22a is arranged, and the stirring container 21 is An opening 21 b is opened at a position corresponding to the stirring knife assembly 22 a, so that the knife head of the stirring knife assembly 22 a passes through the opening 21 b and is located in the stirring container 21 . Specifically, the stirring base 22 is a square shell-shaped structure matched with the stirring container 21, and the bottom of the stirring base 22 can be provided with a non-slip mat (not shown), so that the stirring base 22 can be placed On the desktop, the ground or other platforms, the non-slip mat can also be used to place the stirring container 21 and the vacuum cover 10 when the vibration is caused to shake or fall when the stirring container 21 is connected in a vacuum.

Further, the stirring base 22 includes a base body 22b and a supporting component 22c, and the base body 22b is detachably connected with the stirring container 21 . Preferably, the seat body 22b and the stirring container 21 can be connected by screw connection or buckle connection.

As a feasible implementation manner, a protruding block 21c is provided on the stirring container 21, the protruding direction of the protruding block 21c is toward the direction of the seat 22b, and the opening 21b passes through the protruding block 21c , so that the knife head of the stirring knife assembly 22a can extend into the stirring container 21 through the opening 21b, so as to stir the food in the stirring container 21.

Further, a locking block 211 is provided on the periphery of the protrusion 21c, and a locking groove (not shown) is correspondingly provided on the position of the seat body 22b corresponding to the protrusion 21c, and the locking block 211 and The clamping slot is snapped and connected, so that the stirring container 21 is connected with the base 22b. Of course, it can be understood that, in other embodiments, a locking groove may also be provided on the periphery of the protrusion 21c, and a locking block is correspondingly provided at the position of the seat body 22b corresponding to the protrusion 21c. , the clamping groove is engaged with the clamping block, which can also connect the stirring container 21 to the base 22b.

In addition, in another embodiment, an external thread can also be provided on the periphery of the protrusion 21c to replace the design of a block or a slot, and then on the seat 22b corresponding to the protrusion 21c An internal thread is provided, and the external thread is threadedly connected with the internal thread, which can also achieve the purpose of connecting the stirring container 21 with the seat body 22b.

Adopt above-mentioned method, because described stirring container 21 and described seat body 22b are detachably connected, therefore, when needing to described stirring container 21 is cleaned after stirring, can be described stirring container 21 and the described stirring container 21. The seat body 22b is separated, and then reconnected when stirring is required again, which is convenient and quick, and is convenient for the user to operate.

The support assembly 22c includes a knife seat 222, a bearing bracket 223 and a bearing 224. The knife seat 222 is arranged on the seat body 22b and is arranged toward the opening 21b of the mixing container 21. The knife seat 222 is provided with a There is a fixing hole, the bearing bracket 223 is located in the fixing hole, the bearing 224 is fixedly connected to the bearing bracket 223, and one end of the bearing 224 exposes the fixing hole, so that the mixing knife assembly 22a is fixed It is connected to the end of the bearing 224 exposed from the fixing hole. In this embodiment, in order to fix the stirring knife assembly 22a so that the subsequent stirring knife assembly 22a can be driven by power to rotate in the stirring container 21 to achieve the purpose of stirring food, therefore, the The mixing knife assembly 22a is installed on the knife seat 222, and a bearing bracket 223 and a bearing 224 are arranged on the knife seat 222, and the bearing 224 is driven to rotate by power, thereby driving the stirring knife assembly 22a to rotate. Preferably, in order to save space and facilitate the installation of the stirring knife assembly 22a, the knife seat 222 adopts a hollow conical block structure, and the small end of the knife seat 222 is arranged towards the opening 21b of the stirring container 21, The big end of the knife seat 222 is arranged towards the seat body 22b.

Preferably, in order to ensure the tightness of the connection between the bearing 224 and the stirring knife assembly 22a, a sealing ring 224a is provided between the bearing 224 and the stirring knife assembly 22a.

Further, in order to facilitate the connection between the knife seat 222 and the stirring container 21, the knife seat 222 includes a first contact surface 222a, and the protrusion 21c includes a second contact surface 212 facing the knife seat 222, The first contact surface 222 a abuts against the second contact surface 212 , so as to realize the connection between the knife seat 222 and the stirring container 21 .

In order to ensure the tightness of the connection between the knife seat 222 and the stirring container 21, a sealing structure 222b is arranged on the first contact surface 222a of the knife seat 222, and the sealing structure 222b is pressed against the first contact surface 222b. between the first contact surface 222a and the second contact surface 212, so as to make the connection between the first contact surface 222a and the second contact surface 212 tighter, and at the same time ensure that the first contact surface 222a The tightness of the connection between the second contact surfaces 212 is improved. Preferably, the sealing structure 222b is a sealing gasket or a sealing gasket, and the material of the sealing structure 222b is silica gel or rubber.

In addition, in order to ensure that the stirring container 21 is connected to the vacuum cover 10 and vacuumized, when the food in the stirring container 21 is stirred, the negative pressure in the stirring container 21 is always kept constant to prevent External air enters through the connection between the knife seat 222 and the stirring container 21, the support assembly 22c also includes a connection head 225 and a skeleton oil seal 226, and the connection head 225 is fixedly connected to the other end of the bearing 224 , the skeleton oil seal 226 is pressed against the joint between the bearing 224 and the bearing bracket 223 . Utilizing the sealing performance of the skeleton oil seal 226, it is possible to ensure the connection between the knife seat 222 and the stirring container 21 while ensuring the waterproof performance of the knife seat 222 when it is connected with the stirring container 21. The problem of airtightness, and then achieve the effect of ensuring that when stirring after vacuuming, the negative pressure value after vacuuming is kept constant inside the stirring container 21 . For example, the negative pressure of the vacuum cover 10 is -50kpa ~ -90kpa, therefore, when stirring after vacuuming, the inside of the stirring container 21 always maintains a negative pressure of -50kpa ~ -90kpa.

In this embodiment, the stirring base 22 further includes a base cover 22d, and the base cover 22d is fixedly connected with the base body 22b. Specifically, the base cover 22d is a hollow ring structure, and the inner wall of the base cover 22d is provided with several protrusions (not shown) facing the seat body 22b, and the inner wall of the seat body 22b corresponds to the The protrusion is provided with a groove (not shown), and the protrusion engages with the groove so that the base cover 22d is connected to the seat body 22b. It can be understood that, in other embodiments, the base cover 22d can also be screwed together with the seat body 22b.

During operation, the vacuum cover 10 and the stirring container 21 are installed, and the switch button 18a is pressed, and the miniature vacuum pump 13 starts to work, and the inside of the stirring container 21 is pumped through the air suction nozzle. , when the pressure in the stirring container 21 reaches the preset negative pressure value (-50 ~ -90) kpa, press the control switch again, the micro vacuum pump 13 stops working, and the indicating device sends out a reminder ; At this time, the stirring container 21 is still under the above-mentioned pressure value under the effect of the one-way valve 12, that is, the inside of the stirring container 21 is in a vacuum state, therefore, it can be placed in the stirring container. The food in the container 21 keeps fresh mouthfeel. And when the food in the stirring container 21 needs to be stirred, the stirring base 22 can be opened under the above-mentioned negative pressure value, and an external power supply can be connected to realize stirring the food in the container. The method of vacuuming first and then stirring can keep the food in a vacuum state all the time, which is beneficial to the freshness of the food.

After vacuuming and stirring are completed, the pressure relief valve 17a on the cover plate 18 can be opened. At this time, the user can easily separate the vacuum cover 10 from the stirring container 21 to realize dumping of the vacuum cover 10. The food in the container 21 is stirred. Or when it is necessary to stir the paste or powder food, the vacuum lid 10 can be replaced with a common lid to stir. Therefore, using the vacuum cover 10 to connect with the stirring container 21, only need to select different covers when different functions are required, such as the vacuum cover 10 or a common cover, so that a single mixer can be used for stirring or pumping. The function of vacuum and stirring is convenient for users.

The stirring device 20 provided by the embodiment of the present invention can vacuumize the food in the stirring container 21 by connecting the stirring container 21 with the vacuum lid 10 . Then the stirring container 21 is connected with the stirring base 22, and the food in the stirring container 21 is stirred by using the stirring base 22, so as to achieve the purpose of stirring the food after vacuuming. And when the stirring container 21 only needs to perform a single stirring function, but does not need to perform a vacuum function, the vacuum cover 10 can be separated from the stirring container 21, and then replaced with a common cover. Therefore, the use of one stirring container 21 can realize the function of first vacuuming and then stirring or a single stirring function, which is convenient for the user to select and operate, thereby improving the user experience.

In addition, in this embodiment, the vacuum cover 10 can also be used together with a general storage container to achieve the function of vacuuming the food stored in the general storage container.

Specifically, the embodiment of the present invention also provides a storage device (not shown), the storage device includes a storage container and the above-mentioned vacuum cover 10, and the vacuum cover 10 is detachably connected to the storage container. Preferably, the vacuum cover 10 can be connected to the storage container through threaded connection or buckle connection, so that the storage container can replace the vacuum cover 10 or a common cover in time.

In this embodiment, the storage container may be a cup or a crisper. When the storage container is a cup or a fresh-keeping box, it can be used to hold food in the storage container, such as fresh fruit, fruit juice or soup, etc., and then the vacuum cover 10 is connected to the storage container. The vacuum cover 10 is used to vacuumize the storage container. After the vacuum cover 10 is used to vacuum the storage container, since the vacuum cover 10 has a compact overall structure, the vacuum cover can be 10. Always firmly cover the storage container, and then take the entire storage device as a travel mug or a travel lunch box to carry out, which is convenient and quick.

The storage device provided by the embodiment of the present invention uses the storage container and the vacuum cover 10 together to realize the function of vacuuming, and also enables the vacuum cover 10 to be used as a cover of the storage container, which is convenient for the user to carry and use when going out.

The vacuum cover 10 provided by the present invention, the stirring device 20 and the storage device provided with the vacuum cover 10 can realize the vacuuming function by arranging the micro-vacuum pump 13 in the housing cavity 11 a of the cover body of the vacuum cover 10 . Therefore, when the common stirring vessel 21 needs to be evacuated, it is only necessary to replace the cover of the common stirring vessel 21 with the vacuum cover 10 , and the purpose of vacuuming can be achieved by using the vacuum cover 10 . Therefore, before the user stirs food such as fruits, the vacuum cover 10 can be used to vacuumize, and at the same time, the check valve 12 is set to be connected with the suction port 111 and the suction nozzle of the miniature vacuum pump 13, so as to achieve the completion of vacuuming. Keep the negative pressure value in the container to ensure that the container maintains a vacuum environment, thereby ensuring the freshness of the food; and when the user needs to stir the powdery or pasty food, he only needs to replace the cover of the ordinary stirring container 21, no need It is equipped with two additional mixers, which is convenient for users to operate and meets the needs of users to realize different functions with one mixer. In addition, when the vacuum cover 10 is used together with a common container, it can also vacuumize the food in the common container, so as to achieve the function of freshness preservation, which is convenient to operate and has a wide range of applications.

The implementation methods described above do not constitute a limitation to the scope of protection of the technical solution. Any modifications, equivalent replacements and improvements made within the spirit and principles of the above implementation methods shall be included in the protection scope of the technical solution.

Claims (22)

1. A vacuum cover, characterized in that it comprises The vacuum cover body is used to connect the container to be connected, and the vacuum cover body has a storage cavity, and an air suction port is provided in the storage cavity; A one-way valve is arranged at the air suction port, and an air flow groove connected to the air suction port is opened on the one-way valve; A micro-vacuum pump is located in the housing cavity, the micro-vacuum pump includes a suction nozzle and an exhaust nozzle, and the suction nozzle pipe is connected to the air flow groove of the one-way valve to form a vacuuming channel; The exhaust nozzle is used to discharge the air extracted by the air suction nozzle; a circuit board, located in the receiving cavity, and electrically connected to the micro vacuum pump; and The power supply is arranged in the accommodating chamber and is electrically connected to the circuit board and the micro vacuum pump. 2. The vacuum cover according to claim 1, wherein the cross-sectional shape of the air suction port is stepped, including a horizontal abutment portion and a vertical abutment portion perpendicular to the horizontal abutment portion, The one-way valve includes a valve body and a first extension portion and a second extension portion respectively extending at opposite ends of the valve body, the first extension portion abuts against the horizontal abutment portion, and the second extension portion The part abuts against the vertical abutment part. 3. The vacuum cover according to claim 1 or 2, wherein the one-way valve is made of silica gel, and when the vacuum cover is vacuumed, the one-way valve is deformed under pressure so that The air flow groove is sealed relative to the air suction port. 4. The vacuum cover according to any one of claims 1 to 3, wherein the vacuum cover further comprises a one-way valve gland, and the one-way valve gland is arranged on the one-way valve, and The position of the one-way valve gland corresponding to the air flow groove is provided with a communication hole, and the air suction nozzle is extended into the communication hole through a connecting pipe and connected with the air flow groove. 5. The vacuum lid according to claim 1, wherein a pressure relief hole is provided in the storage chamber, the pressure relief hole is set away from the air suction port, and a pressure relief hole is provided on the pressure relief hole. pressure valve. 6. The vacuum cover according to claim 5, characterized in that, the vacuum cover further comprises a cover plate, the cover plate is arranged on the vacuum cover body and closes the storage cavity, and the cover plate is provided with There is a switch button, and the switch button is electrically connected to the circuit board. 7 . The vacuum cover according to claim 6 , wherein an escape groove is provided on the cover plate at a position corresponding to the pressure relief valve, and the pressure relief valve partially exposes the escape groove. 7 . 8. The vacuum lid according to claim 6 or 7, wherein a charging interface for connecting to an external power supply is also provided on the lid. 9. The vacuum cover according to claim 1, wherein a fixing frame for supporting and fixing the micro-vacuum pump is also provided in the receiving cavity, and the fixing frame includes a plurality of fixing plates and is set on the fixing plate. The bearing groove on the plate, the plurality of fixing plates are arranged at intervals on the bottom wall of the storage chamber, and the micro-vacuum pump is penetrated in the bearing groove. 10 . The vacuum cover according to claim 1 , wherein the vacuum cover further comprises a buffer layer, and the buffer layer covers the outer periphery of the micro vacuum pump. 11 . 11 . The vacuum cover according to claim 1 , wherein the power supply is arranged away from the miniature vacuum pump, and the power supply is fixed in the receiving cavity through a power supply bracket. 12 . 12. The vacuum cover according to claim 1, wherein the miniature vacuum pump comprises a pump body and a motor electrically connected to the pump body, and the relative vacuum degree of the pump body is -50kpa～-90kpa, The power of the motor is 1W-40W, and the voltage of the motor is 3V-36V. 13. The vacuum lid according to claim 1, wherein the vacuum lid body is a square lid, a circular lid or an oval lid. 14. The vacuum cover according to claim 1, wherein the vacuum cover further comprises an indicating device, the indicating device is electrically connected to the circuit board and the micro-vacuum pump to indicate that the micro-vacuum pump working status. 15. A stirring device, characterized in that the stirring device comprises a stirring container and the vacuum cover according to any one of claims 1 to 14, the vacuum cover is detachably connected to the stirring container. 16. The stirring device according to claim 15, wherein a seal is arranged on the outer periphery of the vacuum cover, and when the vacuum cover is connected to the stirring container, the seal is pressed against the vacuum cover And between the inner wall of the stirring vessel. 17. stirring device as claimed in claim 15 or 16, is characterized in that, described stirring device also comprises stirring base, and described stirring base is provided with stirring knife assembly, and described stirring container is corresponding to the stirring knife assembly. An opening is opened at the position, so that the knife head of the stirring knife assembly is located in the stirring container. 18. The stirring device according to claim 17, wherein the stirring base comprises a base and a support assembly, the base is connected to the stirring container, and the support assembly comprises a knife seat, a bearing bracket and a bearing , the knife seat is arranged on the base body, and is arranged towards the opening of the mixing container, the knife seat is provided with a fixing hole, the bearing bracket is arranged in the fixing hole, and the bearing is fixedly connected on the bearing bracket, and one end of the bearing exposes the fixing hole, so that the stirring knife assembly is fixedly connected to the end of the bearing exposing the fixing hole. 19. The stirring device according to claim 18, characterized in that, the support assembly further comprises a connector and a skeleton oil seal, the connector is fixedly connected to the other end of the bearing, and the skeleton oil seal is pressed against the The connection between the bearing and the bearing bracket. 20. The stirring device according to claim 18 or 19, wherein the stirring base further comprises a base cover, and the base cover is fixedly connected with the base. 21. A storage device, characterized in that the storage device comprises a storage container and the vacuum cover according to any one of claims 1 to 14, the vacuum cover is detachably connected to the storage container. 22. The storage device according to claim 21, wherein the storage container is a cup or a crisper.