CN112960638A - Beverage extraction device and beverage extraction method - Google Patents

Abstract

The invention discloses a beverage extraction device, comprising: a main body provided with a base; a needle having a tip end for piercing and penetrating the closure at the opening of the beverage container and a root end opposite the tip end, the needle having a lumen therein extending from the root end to the tip end; the root end is arranged on the base; a fluid extraction device mounted to the body, the fluid extraction device communicating to the lumen for extracting fluid from the lumen and discharging the extracted fluid; the valve body is arranged on the base, and a valve core capable of being switched between a connection state and a disconnection state is arranged in the valve body; in the connected state, the lumen is connected to the atmosphere, and in the disconnected state, the lumen is not connected to the atmosphere. The beverage extraction device and the beverage extraction method do not need to purchase a protective gas source, reduce the use cost of a user, and simultaneously can play a role in avoiding the beverage from being oxidized and deteriorated.

Description

Beverage extraction device and beverage extraction method

Technical Field

The invention belongs to the technical field of fluid distribution and extraction from a container, and particularly relates to a beverage extraction device and a beverage extraction method.

Background

In order to avoid oxidation and deterioration of the beverage, the beverage is injected into a container and stored in a sealed manner during storage of the beverage, and the beverage is prevented from being oxidized by oxygen, so that the shelf life of the beverage is prolonged. However, after long-time fermentation, the air pressure in the wine bottle is generally lower than the atmospheric pressure, and it is difficult to pull out the wine bottle, so that many bottle openers are developed in the market for assisting in pulling out the bottle stopper. However, if the bottle stopper is pulled out and the wine in the bottle cannot be drunk completely, if the bottle stopper is only pulled back, the air enters the bottle, the residual wine in the bottle can be continuously oxidized, and finally the wine is deteriorated. To solve this problem, the following solutions are disclosed in the chinese invention patent application (application No.: 201480021007.X, title of the invention: method and apparatus for drawing a beverage through a multifunctional valve): the needle tube penetrates through the bottle stopper, the beverage in the container is extracted through the needle tube, and the pressurized protective gas is input into the container, so that the beverage in the container can be taken out on the premise of not pulling out the bottle stopper, the beverage in the container is prevented from contacting air, and deterioration is avoided.

However, the above solution requires a gas source storing pressurized protective gas, and the protective gas in the gas source is a consumable, which increases part of the cost for the user.

Therefore, a new technique is needed to solve the problem of the prior art that requires the additional purchase of a source of protective gas during the preservation of the beverage.

Disclosure of Invention

In order to solve the above problems in the prior art, the present invention provides a beverage extraction device and a beverage extraction method, which do not require purchasing a protective gas source, reduce the use cost of the user, and simultaneously can prevent the beverage from oxidative deterioration.

The invention adopts the following technical scheme:

a beverage extraction device, comprising:

a main body provided with a base;

a needle having a tip end for piercing and penetrating a closure at an opening of a beverage container and a root end opposite the tip end, the needle having a lumen therein extending from the root end to the tip end; the root end is mounted on the base;

a fluid extraction device mounted to the body, the fluid extraction device being communicated to the lumen for extracting fluid from the lumen and discharging the extracted fluid; and

the valve body is arranged on the base, and a valve core capable of being switched between a communication state and a disconnection state is arranged in the valve body; in the connected state, the lumen is connected to the atmosphere, and in the disconnected state, the lumen is not connected to the atmosphere.

As a further improvement of the technical solution of the present invention, the valve body has a valve chamber having a first opening communicating with the tube chamber and a second opening communicating with the atmosphere, and the spool line is disposed in the valve chamber and interrupts communication of the first opening and the second opening or communicates the first opening and the second opening by linear movement.

As a further improvement of the technical solution of the present invention, the valve body further includes a first elastic member disposed in the valve cavity, the first elastic member urges and maintains the valve element in the off state, and when the valve element is in the on state, the first elastic member is compressed.

As a further improvement of the technical solution of the present invention, a sealing member for sealing and blocking the first opening is disposed at one end of the valve core close to the first opening.

As a further improvement of the technical scheme of the invention, the valve further comprises a handle, one end of the handle is connected with the valve core, and the other end of the handle extends out of the main body.

As a further improvement of the technical scheme of the invention, the handle is provided with a support leg, the support leg is hinged with the body, and when the handle rotates at the hinged point of the support leg, the handle drives the valve core to linearly move.

As a further improvement of the technical scheme of the invention, the device also comprises a control switch for controlling the start and stop of the fluid extraction device, wherein the control switch is in linkage control with the valve core; when the valve core is in the off state, the control switch starts or closes the fluid extraction device; when the valve core is in the communication state, the control switch suspends the fluid extraction device.

As a further improvement of the technical scheme of the invention, the fluid extraction device further comprises a control rod, one end of the control rod is fixedly connected with the valve core, the other end of the control rod extends out of the valve body and is connected with the control switch, and when the state of the valve core is switched, the control rod triggers the control switch to start or stop the fluid extraction device.

As a further improvement of the technical solution of the present invention, the beverage container further comprises a fixing sleeve mounted to the main body, the fixing sleeve having a sleeve cavity that can be fitted over the opening of the beverage container.

As a further improvement of the technical scheme of the invention, the fixing sleeve is detachably connected with the main body.

As a further improvement of the technical scheme of the invention, the needle is fixedly connected with the fixed sleeve, the tip end of the needle is positioned in the sleeve cavity, the root end of the needle extends from the fixed sleeve to the base, and the base is provided with a communicating pipe for communicating the tube cavity with the fluid extraction device and the valve body.

As a further improvement of the technical scheme of the invention, a fixing convex part is convexly arranged on the outer side of the needle close to the root end, and a fixing groove which is matched and fixed with the fixing convex part is sleeved on the fixing sleeve.

As a further improvement of the technical scheme of the invention, the outer end of the fixed convex part is sleeved with a sealing sleeve, and the sealing sleeve seals the joint of the communicating pipe and the root end.

As a further improvement of the technical scheme of the invention, the lower end of the fixed sleeve is provided with at least three fasteners, one ends of the fasteners penetrate through the fixed sleeve and extend into the sleeve cavity, and the extending lengths of the fasteners can be adjusted to be matched with each other and clamped and fixed on the beverage container.

As a further improvement of the technical scheme of the invention, the fixed sleeve is provided with a through hole for one end of the fastener to pass through, an adjusting sleeve coaxial with the through hole is arranged outside the through hole, the adjusting sleeve is in threaded connection with the fixed sleeve, and a second elastic piece is arranged in the adjusting sleeve and pushes the fastener to the sleeve cavity.

As a further improvement of the technical scheme of the invention, one end of the fastening piece, which is close to the second elastic piece, is provided with a limiting part, and the limiting part cannot pass through the through hole.

As a further improvement of the technical scheme of the invention, the dust-proof device also comprises a dust-proof base used for plugging the inlet end of the sleeve cavity, and the dust-proof base is provided with a plugging part which can be inserted into and plug the lower end of the sleeve cavity.

As a further improvement of the technical solution of the present invention, the beverage extractor further comprises a beverage outlet, and the beverage outlet is communicated with the fluid outlet of the fluid extraction device.

As a further improvement of the technical solution of the present invention, the tip of the needle is tapered, the needle is provided with a plurality of openings on the circumferential surface between the tip and the root, the openings communicating with the lumen, and after the tip penetrates the sealing member, at least one of the openings penetrates the sealing member.

As a further improvement of the technical scheme of the invention, the open holes are sequentially distributed at intervals along the axial direction of the needle.

As a further improvement of the technical scheme of the invention, two adjacent openings are staggered and respectively arranged at two opposite sides of the needle.

As a further improvement of the technical solution of the present invention, the fluid extractor further comprises a battery configured to supply power to the fluid extractor.

A beverage extraction method, comprising the steps of:

puncturing: piercing the tip of the needle into and through the closure at the opening of the beverage container;

closing the valve: the operating valve body is in a disconnected state, and the lumen of the needle is not communicated with the atmosphere in the disconnected state;

liquid level adjustment: adjusting the beverage container so that the needle is immersed in the beverage within the beverage container;

extracting the beverage: activating the fluid extraction device to extract a beverage through the needle; if the pressure in the beverage container is too low, so that the beverage is difficult to extract, the following steps are carried out: adjusting air pressure: stopping the extraction of the fluid extraction device, adjusting a beverage container to separate the beverage in the beverage container from the needle, operating the valve body to be in a communication state, wherein in the communication state, the tube cavity is communicated with the atmosphere, and increasing the air pressure in the beverage container to meet the requirement of the pressure difference of the fluid extraction device;

repeating the steps of closing the valve, adjusting the liquid level and extracting the beverage until the beverage in the beverage container is completely extracted or the extracted beverage reaches the required amount;

vacuumizing: when beverage remains in the beverage container after the beverage is extracted, adjusting the beverage container to separate the beverage in the beverage container from the needle, extracting air in the beverage container by adopting the fluid extraction device until the interior of the beverage container is vacuum or is close to the vacuum, and extracting the needle from the sealing piece.

As a further improvement of the present invention, in the step of evacuating, the fluid extraction device remains activated when the needle is pulled out of the closure.

Compared with the prior art, the invention has the beneficial effects that:

1. in the beverage extraction device and the beverage extraction method, the beverage in the beverage container (such as a wine bottle) can be extracted by the fluid extraction device after the needle passes through the closing piece (such as a bottle plug) at the opening of the beverage container, and the beverage container is kept sealed without removing the closing piece. In the process of extraction, the beverage in the beverage container is reduced, the pressure in the beverage container is reduced, so that the fluid extraction device is difficult to extract, the valve body can be switched to the communication state, the beverage container is communicated with the atmosphere, the air pressure is balanced, and the valve body is switched to the disconnection state after the air pressure is balanced, so that the beverage is continuously extracted. After the beverage is pumped out, if the beverage container still contains residual beverage, the valve body can be kept disconnected, the fluid pumping device is used for pumping out air in the beverage container, finally the interior of the beverage container is vacuum or close to vacuum, and then the needle is pulled out, so that the interior of the beverage container can still be stored under vacuum, and the beverage is prevented from deteriorating.

2. In the invention, a gas source for storing pressurized protective gas is not required to be prepared, and the gas source can be repeatedly used, thereby reducing the use cost of users.

Drawings

The technology of the present invention will be described in further detail with reference to the accompanying drawings and detailed description below:

FIG. 1 is a perspective view of the beverage extraction device of the present invention;

FIG. 2 is a cross-sectional perspective view of the beverage extraction device of the present invention;

FIG. 3 is a cross-sectional view of the beverage extraction device of the present invention;

FIG. 4 is an enlarged view at A in FIG. 3;

FIG. 5 is a state diagram of the use of the beverage extraction device of the present invention;

FIG. 6 is a cross-sectional view of another angle of the beverage extraction device of the present invention;

FIG. 7 is a perspective view of the needle of the present invention;

FIG. 8 is a cross-sectional view of the needle of the present invention;

fig. 9 is an exploded view of the inventive beverage extraction device.

Reference numerals:

1-a body; 11-a base; 111-communicating tube; 12-a housing;

2-needle; 21-tip; 22-root end; 23-a lumen; 24-a stationary projection; 25-sealing sleeve; 26-opening a hole;

3-a fluid extraction device; 31-a control switch; 32-a control lever; 33-beverage outlet;

4-a valve body; 41-valve core; 43-first opening; 44-a second opening; 45-a first resilient member; 46-a seal;

5-a handle; 51-a pull rod; 52-a leg;

6, fixing a sleeve; 61-a sleeve cavity; 62-fixing the groove; 63-fasteners; 631-a limiting part; 65-adjusting sleeve; 66-a second elastic member;

7-dustproof base; 71-a plug-in part;

8-a battery;

9-a beverage container; 91-a closure; 92-beverage.

Detailed Description

The conception, the specific structure and the technical effects of the present invention will be clearly and completely described in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the schemes and the effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The same reference numbers will be used throughout the drawings to refer to the same or like parts.

It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Further, the description of the upper, lower, left, right, etc. used in the present invention is only with respect to the positional relationship of the respective components of the present invention with respect to each other in the drawings.

Referring to fig. 1 to 9, a beverage extraction device includes: a body 1, a needle 2, a fluid extraction device 3 and a valve body 4.

Referring to fig. 2, 3 and 9, the main body 1 is provided with a base 11, the main body 1 further comprises a housing 12 surrounding the base 11, and after the housing 12 surrounds the base 11, the housing 12 further comprises a cavity for mounting other components of the beverage extraction device. The housing 12 includes a cylindrical lower shell and a hemispherical upper shell, which are coupled together.

Referring to fig. 2-9, the needle 2 has a tip end 21 for piercing and penetrating a closure 91 (e.g., a stopper) at an opening of a beverage container 9 (e.g., a wine bottle) and a root end 22 opposite the tip end 21, and a lumen 23 is provided in the needle 2 extending from the root end 22 to the tip end 21; the root end 22 is mounted on the base 11. When the base 11 is moved relatively close to the closure 91, the tip 21 of the needle 2 may be inserted into the beverage container 9 through the closure 91, the beverage 92 in the beverage container 9 may be drawn out through the lumen 23 of the needle 2, or the air in the beverage container 9 may be drawn out.

Referring to fig. 2 to 5, a fluid extraction device 3 is mounted to the main body 1, the fluid extraction device 3 being communicated to the lumen 23 for extracting fluid from the lumen 23 and discharging the extracted fluid. The fluid extraction device 3 can extract and expel the fluid (liquid or air) within the lumen 23 of the needle 2. If the lumen 23 of the needle 2 is in communication with the beverage 92 in the beverage container 9, the fluid extraction device 3 can extract the beverage 92 through the needle 2, and if the lumen 23 is in communication with the beverage container 9, the fluid extraction device 3 can extract the air in the beverage container 9 through the needle 2, so that the air in the beverage container 9 is reduced to vacuum or near vacuum, and the beverage 92 in the beverage container 9 can be preserved. The fluid extraction device 3 may be a water pump.

Referring to fig. 2 to 5, the valve body 4 is provided on the base 11, and the valve body 4 has a valve element 41 therein that is switchable between a communication state and a disconnection state; in the connected state, the lumen 23 is connected to the atmosphere, and in the disconnected state, the lumen 23 is not connected to the atmosphere. After the needle 2 penetrates the closure 91 at the opening of the beverage container 9, the lumen 23 connects the atmosphere with the beverage container 9, when the lumen 23 is in a connected state, the beverage container 9 is connected with the atmosphere, and when the lumen 23 is in a disconnected state, the beverage container 9 is not connected with the atmosphere. Since the needle 2 needs to be brought into contact with the beverage 92 in the beverage container 9 when the beverage 92 is to be extracted, the beverage container 9 needs to be adjusted to be inclined, and if the valve body 4 is kept in a communicating state, the beverage 92 in the beverage container 9 flows out of the valve body 4, and the beverage 92 leaks, the valve body 4 should be switched to an off state when the beverage 92 is to be extracted, so that the beverage 92 is prevented from leaking. Then the fluid extraction device 3 is started to extract the beverage 92, when the beverage 92 is extracted, the pressure in the beverage container 9 is gradually reduced, the extraction of the fluid by the fluid extraction device 3 is influenced, the extraction can be suspended, the beverage container 9 is righted, the needle 2 is separated from the beverage 92, the valve body 4 is switched to a communication state, the interior of the beverage container 9 is communicated with the atmosphere, the air pressure is balanced, then the valve body 4 is switched to a disconnection state, and the beverage 92 is extracted again. After the extraction is completed, if the beverage 92 remains in the beverage container 9, the beverage container 9 is centered, the fluid extraction device 3 is used for extracting the air in the beverage container 9, so that the interior of the beverage container 9 becomes vacuum or is close to the vacuum, and then the needle 2 is pulled out, so that the beverage 92 in the beverage container 9 can be continuously stored in the vacuum environment, and the deterioration is avoided.

With the above configuration, the beverage extracting apparatus according to the present invention can extract the beverage 92 sealed in the beverage container 9, and can evacuate the beverage container 9 after extraction is completed, so that the beverage 92 remaining in the beverage container 9 can be stored in a vacuum environment, thereby preventing deterioration. Compared with the prior art, the fluid extraction device 3 is adopted as power to extract the beverage 92, a gas source for storing pressurized protective gas is not required, the problem that the protective gas in the gas source needs to be purchased again after being used up is solved, and the use cost of a user is reduced. Meanwhile, when the residual beverage 92 in the beverage container 9 is stored, air entering the beverage container 9 in the process of extracting the beverage 92 can be pumped out, so that the interior of the beverage container 9 is reduced to vacuum, and further the beverage can be continuously stored.

Specifically, referring to fig. 2 to 5, the valve body 4 has a valve chamber having a first opening 43 communicating with the chamber tube 23 and a second opening 44 communicating with the atmosphere, and the spool 41 is linearly disposed in the valve chamber and interrupts communication of the first opening 43 and the second opening 44 or communicates the first opening 43 and the second opening 44 by linear movement. The lumen 23 communicates with the first opening 43, the atmosphere communicates with the second opening 44, and the communication between the first opening 43 and the second opening 44 is controlled by the spool 41, and the valve body 4 is switched between the communicating state and the interrupting state by the linear movement of the spool 41 in the valve chamber.

Preferably, referring to fig. 2 to 5 and 9, the valve body 4 further includes a first elastic member 45 disposed in the valve cavity, the first elastic member 45 urges and maintains the valve element 41 in the off state, and when the valve element 41 is in the on state, the first elastic member 45 is compressed. The first elastic member 45 is provided such that the valve body 4 is configured to be biased in the off state, that is, the valve body 4 is normally in the off state, and the valve body 41 becomes the connected state only when the first elastic member 45 is compressed by the force of the valve body 41. In one embodiment, the first elastic member 45 is a spring. In the beverage extraction device of the invention, the valve body 4 is switched to the connected state only when the pressure inside the beverage container 9 is equalized, and the valve body 4 needs to be set to the disconnected state for the rest of the time to avoid leakage of the beverage 92, and therefore, the valve body 4 is configured to be biased to the disconnected state, reducing the user's operation.

Preferably, referring to fig. 4 and 9, in order to ensure effective control of the valve core 41 to the connection state and the disconnection state of the valve body 4 and ensure the sealing effect thereof, one end of the valve core 41 close to the first opening 43 is provided with a sealing member 46 for sealing and blocking the first opening 43. The sealing element 46 is an elastic sealing rubber sleeve, which is sleeved on the front end of the valve core 41 and is pushed by the first elastic element 45 to press against the first opening 43 and seal the first opening 43.

Preferably, referring to fig. 1 to 5 and 9, in order to switch the valve body 4 from the communication state to the disconnection state for adjusting the position of the valve core 41, the beverage extraction device of the present invention further includes a handle 5 having one end connected to the valve core 41 and the other end extending out of the main body 1. The handle 5 is connected to the valve core 41, and the valve core 41 can be driven by the handle 5 to compress the first elastic member 45, so that the valve body 4 is switched to a communication state. In one embodiment, a pull rod 51 is connected to the valve core 41, the pull rod 51 is connected to the handle 5, and the handle 5 is moved to drive the pull rod 51, so as to move the valve core 41.

More preferably, referring to fig. 3 and 4, the handle 5 is provided with a leg 52, the leg 52 is hinged to the body, and when the handle 5 rotates at the hinged point of the leg 52, the handle 5 drives the valve core 41 to move linearly. Through this stabilizer 52, set up handle 5 as the lever, the handle 5 when the user only need push down handle 5 can drive case 41 linear movement to switch valve body 4 into the connected state. Preferably, the leg 52 is closer to the end of the handle 5 that is connected to the valve core 41, so that the handle 5 becomes a labor-saving lever and the user can use the lever more easily.

In addition, referring to fig. 2 to 5 and 9, the beverage extraction device of the present invention further includes a control switch 31 for controlling the on/off of the fluid extraction device 3, wherein the control switch 31 is controlled in conjunction with the valve core 41; when the valve core 41 is in the off state, the control switch 31 starts or stops the fluid extraction device 3; when the spool 41 is in the communication state, the control switch 31 suspends the fluid extraction device 3. In the present invention, when the valve body 4 needs to be switched to the communication state, in order to increase the air pressure in the beverage container 9, the valve body 4 needs to be opened for communication, in order to avoid the leakage of the beverage 92, the beverage container 9 needs to be adjusted so that the beverage 92 is separated from the needle 2 and does not contact, and at this time, the fluid extraction device 3 does not need to be started, therefore, in the present invention, when the valve core 41 is in the communication state, the control switch 31 is interlocked to suspend the fluid extraction device 3, and after the valve body 4 is communicated, the control switch 31 controls the fluid extraction device 3 to be started again. Specifically, in one embodiment, the use process of the device is as follows: inserting the needle 2 into the closing member 91, pulling the handle 5 to move the valve core 41 out of the closed state, releasing the handle 5, pushing the valve core 41 back to the closed state at the position where the first elastic member 45 pushes the valve core 41 back to the closed state, and controlling the control switch 31 to be linked with the movement of the valve core 41 to start the fluid extraction device 3 and extract the beverage 92; the air pressure in the beverage container 9 is too low, the container is set, the valve body 4 is switched to a connection state through the handle 5, the air pressure in the beverage container 9 is balanced with the air pressure outside (the fluid extraction device 3 temporarily extracts at the same time), the handle 5 is released, the valve body 4 is switched to a disconnection state, and the fluid extraction device 3 is started to continue to extract at the same time.

Of course, the control switch 31 of the fluid extraction device 3 may be provided independently of the control switch 31 so that the control switch 31 is operated manually to start the fluid extraction device 3 when the fluid extraction device 3 needs to be started, and the control switch 31 is operated manually to turn off the fluid extraction device 3 when the extraction needs to be stopped.

Specifically, referring to fig. 4 and 9, the beverage extraction device of the present invention further includes a control rod 32, one end of the control rod 32 is fixedly connected to the valve core 41, and the other end of the control rod 32 extends from the valve body 4 and is connected to the control switch 31, and when the state of the valve core 41 is switched, the control rod 32 triggers the control switch 31 to start or stop the fluid extraction device 3. The control rod 32 connects the valve element 41 to the control switch 31, so that the linear movement of the valve element 41 triggers the control switch 31 to control the start and stop of the fluid extraction device 3.

With reference to fig. 1, 6 and 9, the beverage extraction device of the present invention further comprises a retaining sleeve 6, said retaining sleeve 6 being mounted to said body 1, said retaining sleeve 6 having a sleeve cavity 61 that can fit over the opening of said beverage container 9. The beverage extraction device is arranged on the opening of the beverage container 9 through the fixing sleeve 6, and the fixed connection between the beverage extraction device and the beverage container 9 is realized. Preferably, the fixing sleeve 6 is detachably connected with the main body 1, so that the assembly is convenient, specifically, the fixing sleeve 6 is connected with the main body 1 through threads, in one embodiment, the upper end of the fixing sleeve 6 is provided with external threads, the lower end of the main body 1 is provided with internal threads, and the connection of the fixing sleeve 6 and the main body 1 is realized by screwing the internal threads and the external threads.

Wherein, the needle 2 is fixedly connected with the fixing sleeve 6, the tip 21 of the needle 2 is located in the sleeve cavity 61, the root end 22 extends from the fixing sleeve 6 to the base 11, and the base 11 is provided with a communicating pipe 111 for communicating the tube cavity 23 with the fluid extraction device 3 and the valve body 4. I.e. the needle 2 can be fixed to the hub 6 first, and then the needle 2 is butted against the base 11 after the hub 6 is connected to the body 1, which facilitates the mounting of the needle 2. Specifically, the outer side of the needle 2 near the root end 22 is convexly provided with a fixing protrusion 24, the fixing sleeve 6 is provided with a fixing groove 62 which is matched and fixed with the fixing protrusion 24, that is, the needle 2 is firstly installed and fixed on the fixing sleeve 6 through the matching of the solid protrusion and the fixing groove 62, and then is installed on the base 11, so as to realize the butt joint with the communicating pipe 111, and the communicating pipe 111 is connected with the fluid extraction device 3 and the first opening 43 of the valve body 4.

Preferably, referring to fig. 4 and 9, in order to ensure that the needle 2 and the communication tube 111 can be in sealed communication after the fixing sleeve 6 is connected with the main body 1, a sealing sleeve 25 is sleeved on the outer end of the fixing convex portion 24, and the sealing sleeve 25 seals the connection between the communication tube 111 and the root end 22.

In addition, referring to fig. 2, 3, 6 and 9, the lower end of the fixing sleeve 6 is provided with at least three fasteners 63, one end of each fastener 63 penetrates through the fixing sleeve 6 and extends into the sleeve cavity 61, and the extending length of each fastener 63 can be adjusted to be matched with each other and clamped and fixed on the beverage container 9. The fixing sleeve 6 can be firmly fixed on the beverage container 9 by adjusting the length of the fastening extending out of the sleeve cavity 61 of the fixing sleeve 6 to clamp the beverage container 9. Preferably, the fixing sleeve 6 is provided with a through hole for one end of the fastening member 63 to pass through, an adjusting sleeve 65 coaxial with the through hole is arranged outside the through hole, the adjusting sleeve 65 is in threaded connection with the fixing sleeve 6, a second elastic member 66 is arranged inside the adjusting sleeve 65, and the second elastic member 66 pushes the fastening member 63 into the sleeve cavity 61. In one embodiment, the second resilient member 66 is a spring. Rotating the adjusting sleeve 65 can make the adjusting sleeve 65 push the fastening member 63 through the second elastic member 66, thereby clamping the beverage container 9, and the effect of the second elastic member 66 can also play a role in limiting the maximum clamping force, if the adjusting sleeve 65 is screwed too tightly, the second elastic member 66 can be compressed, the clamping force of the fastening member 63 on the beverage container 9 is reduced, and the beverage container 9 is prevented from being damaged due to too much clamping force. Specifically, one end of the fastening member 63 close to the second elastic member 66 is provided with a limiting portion 631, the limiting portion 631 cannot pass through the through hole, and the limiting portion 631 is provided such that the fastening member 63 cannot be pushed out of the through hole by the second elastic member 66.

In addition, referring to fig. 1, 6 and 9, the beverage extraction device of the present invention further comprises a dustproof base 7 for blocking the inlet end of the housing 61, wherein the dustproof base 7 is provided with a plugging portion 71 which can be inserted into and block the lower end of the housing 61, and since the needle 2 in the fixed housing 6 is inserted into the beverage container 9 to contact with the beverage 92 during use, the cleanness of the needle 2 needs to be ensured, the dustproof base 7 is provided, and when the device is not used at ordinary times, the inlet end of the housing 61 is sealed by the dustproof base 7 to prevent dust from accumulating in the housing 61 and polluting the needle 2, and when the beverage 92 needs to be extracted, the dustproof base 7 is removed.

Referring to fig. 2, 3, 5 and 9, in order to collect the beverage 92 extracted and discharged by the fluid extraction device 3, the beverage extraction device of the present invention further includes a beverage outlet 33, the beverage outlet 33 is communicated with the fluid outlet of the fluid extraction device 3, and when the beverage 92 is extracted, a cup is placed under the beverage outlet 33 to receive the beverage 92 discharged from the beverage outlet 33.

Specifically, referring to fig. 2, 7 and 8, the tip end 21 of the needle 2 is tapered, the needle 2 is provided with a plurality of openings 26 communicating with the lumen 23 on the circumferential surface between the tip end 21 and the root end 22, and after the tip end 21 penetrates the sealing member 91, at least one of the openings 26 penetrates the sealing member 91. The tip 21 of the needle 2 is tapered and the opening 26 is circumferentially disposed such that when the needle 2 pierces the closure 91 (e.g., a stopper), the material of the closure 91 does not block the opening 26 and interfere with the withdrawal of the beverage 92. Preferably, in order to ensure the needle 2 has sufficient strength, the openings 26 are sequentially spaced along the axial direction of the needle 2, and the openings 26 are axially spaced, so that two openings 26 at the same height do not occur, thereby ensuring the strength of the needle 2, and further, two adjacent openings 26 are staggered and respectively disposed at two opposite sides of the needle 2, and the openings 26 are staggered, so that the positions of the openings 26 are not too close on the same side, thereby ensuring the strength of the needle 2.

Preferably, with reference to fig. 6 and 9, the present beverage extraction device further comprises a battery 8, said battery 8 being configured to power said fluid extraction device 3. The battery 8 is provided with an invalid external power supply line, so that the solar water heater can be used at any place, and the use place is not limited. More preferably, the battery 8 is a secondary battery 8, which is rechargeable, and in one embodiment, the battery 8 is a lithium battery 8.

Referring to fig. 1 to 9, a beverage extraction method includes the steps of:

step 1, puncturing: the tip 21 of the needle 2 is inserted into and penetrates a closure 91 (e.g., a bottle stopper, particularly a cork stopper) at an opening of a beverage container 9 (e.g., a wine bottle).

Step 2, closing the valve: the operating valve body 4 is in a disconnected state, in which the lumen 23 of the needle 2 is not communicated with the atmosphere, so that the beverage 92 in the beverage container 9 is prevented from flowing out of the lumen 23 of the needle 2 to the outside in the subsequent operation process, and the beverage 92 is prevented from leaking. In one embodiment, the operation of closing the valve is automatically performed by the first resilient member 45, and the first resilient member 45 biases the valve body 4 to the open state.

Step 3, liquid level adjustment: the beverage container 9 is adjusted so that the needle 2 is immersed in the beverage 92 in the beverage container 9 so that the beverage 92 can come into contact with the needle 2 and the beverage 92 is drawn out through the needle 2. The beverage container 9 is typically adjusted by tipping the beverage container 9 so that the needle 2 is below the level of the beverage 92.

Step 4, extracting the beverage 92: the fluid extraction device 3 is activated to extract the beverage 92 through the needle 2, the fluid extraction device 3 is communicated with the lumen 23 of the needle 2, the needle 2 is immersed below the liquid level of the beverage 92, the fluid extraction device 3 can directly extract the beverage 92, and the user externally adopts a cup to receive the extracted beverage 92. If the pressure in the beverage container 9 is too low to extract the beverage 92, the following steps are performed:

step 4.1, air pressure adjustment: stopping the extraction of the fluid extraction means 3, adjusting the beverage container 9 to separate the beverage 92 in the beverage container 9 from the needle 2 (typically by righting the beverage container 9 so that the level of the beverage 92 in the beverage container 9 is lower than the needle 2), operating the valve body 4 in a communication state in which the lumen 23 is in communication with the atmosphere, increasing the gas pressure in the beverage container 9 to meet the pressure differential requirements of the fluid extraction means 3 to continue the extraction of the beverage 92.

Step 5, the steps of closing the valve, adjusting the liquid level and extracting the beverage 92 are repeated (i.e. steps 2, 3 and 4 are repeated) until the beverage 92 in the beverage container 9 is completely extracted or the extracted beverage 92 reaches the required amount.

Step 6, vacuumizing: when beverage 92 remains in the beverage container 9 after beverage 92 is drawn, the beverage container 9 is adjusted to separate the beverage 92 in the beverage container 9 from the needle 2, typically by righting the beverage container 9 so that the level of the beverage 92 in the beverage container 9 is below the needle 2, and air is drawn from the beverage container 9 using the fluid drawing device 3 until a vacuum or near vacuum is present in the beverage container 9, pulling the needle 2 out of the closure 91. After evacuation, the beverage 92 remaining in the beverage container 9 can be stored for a long time without deterioration, and the sealing member 91 of the beverage container 9 automatically returns to close the hole of the needle 2 after the needle 2 is pulled out, thereby keeping the interior of the beverage container 9 in a vacuum state.

In the vacuum-pumping step 6, when the needle 2 is pulled out of the sealing member 91, the fluid-pumping device 3 is kept in an activated state, and it is further ensured that the inside of the beverage container 9 is kept in a vacuum state after the needle 2 is pulled out.

Other contents of the beverage extraction device and the beverage extraction method according to the present invention are referred to in the prior art and will not be described herein again.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.

Claims (24)

1. A beverage extraction device, comprising:

a main body provided with a base;

a needle having a tip end for piercing and penetrating a closure at an opening of a beverage container and a root end opposite the tip end, the needle having a lumen therein extending from the root end to the tip end; the root end is mounted on the base;

a fluid extraction device mounted to the body, the fluid extraction device being communicated to the lumen for extracting fluid from the lumen and discharging the extracted fluid; and

the valve body is arranged on the base, and a valve core capable of being switched between a communication state and a disconnection state is arranged in the valve body; in the connected state, the lumen is connected to the atmosphere, and in the disconnected state, the lumen is not connected to the atmosphere.

2. The beverage extraction device of claim 1, wherein: the valve body has a valve chamber having a first opening communicating with the chamber and a second opening communicating with the atmosphere, and the spool line is disposed in the valve chamber and interrupts communication of the first opening and the second opening or communicates the first opening and the second opening by linear movement.

3. The beverage extraction device of claim 2, wherein: the valve body further comprises a first elastic piece arranged in the valve cavity, the first elastic piece pushes the valve core against and maintains the valve core in the disconnection state, and when the valve core is in the connection state, the first elastic piece is compressed.

4. The beverage extraction device of claim 2, wherein: and a sealing element for sealing and plugging the first opening is arranged at one end of the valve core close to the first opening.

5. The beverage extraction device of claim 1, wherein: the valve also comprises a handle, one end of the handle is connected with the valve core, and the other end of the handle extends out of the main body.

6. The beverage extraction device of claim 5, wherein: the handle is provided with support legs, the support legs are hinged with the body, and when the handle rotates at the hinged points of the support legs, the handle drives the valve core to linearly move.

7. The beverage extraction device of claim 1, wherein: the control switch is used for controlling the start and stop of the fluid extraction device and is in linkage control with the valve core; when the valve core is in the off state, the control switch starts or closes the fluid extraction device; when the valve core is in the communication state, the control switch suspends the fluid extraction device.

8. The beverage extraction device of claim 7, wherein: the valve body is fixedly connected with the valve core, the valve core is fixedly connected with the valve body, the valve body is connected with the valve core, the valve core is fixedly connected with the valve core, the valve core is connected with the valve body, and the control switch is triggered by the control rod to start or stop the fluid extraction device when the state of the valve core is switched.

9. The beverage extraction device of claim 1, wherein: still include the fixed cover, the fixed cover is installed to the main part, the fixed cover has can the suit in the cover chamber outside the beverage container opening.

10. The beverage extraction device of claim 9, wherein: the fixed sleeve is detachably connected with the main body.

11. The beverage extraction device of claim 10, wherein: the needle with fixed cover fixed connection, the pointed end of needle is located the cover intracavity, the root end by fixed cover extends to the base, the base is equipped with communicating pipe with the lumen with fluid draw-out device, the valve body intercommunication.

12. The beverage extraction device of claim 11, wherein: the needle is close to the protruding fixed convex part that is equipped with in the outside of root end, fixed cover be equipped with fixed convex part cooperation fixed recess.

13. The beverage extraction device of claim 12, wherein: the outer end of the fixed convex part is sleeved with a sealing sleeve, and the sealing sleeve seals the joint of the communicating pipe and the root end.

14. The beverage extraction device of claim 9, wherein: the lower end of the fixed sleeve is provided with at least three fasteners, one ends of the fasteners penetrate through the fixed sleeve and extend into the sleeve cavity, and the extending lengths of the fasteners can be adjusted to be matched with each other and clamped and fixed on the beverage container.

15. The beverage extraction device of claim 14, wherein: the fixed cover is provided with a through hole for one end of the fastener to pass through, an adjusting sleeve coaxial with the through hole is arranged outside the through hole, the adjusting sleeve is in threaded connection with the fixed cover, a second elastic piece is arranged in the adjusting sleeve, and the second elastic piece pushes the fastener to the sleeve cavity.

16. The beverage extraction device of claim 15, wherein: one end of the fastener, which is close to the second elastic piece, is provided with a limiting part, and the limiting part can not pass through the through hole.

17. The beverage extraction device of claim 9, wherein: the dust-proof device is characterized by further comprising a dust-proof base used for blocking the inlet end of the sleeve cavity, wherein the dust-proof base is provided with an inserting and blocking part which can be inserted into and blocks the lower end of the sleeve cavity.

18. The beverage extraction device of claim 1, wherein: further comprising a beverage outlet in communication with the fluid outlet of the fluid extraction device.

19. The beverage extraction device of claim 1, wherein: the pointed end of the needle is conical, the circumferential surface of the needle between the pointed end and the root end is provided with a plurality of open pores communicated with the lumen, and after the pointed end penetrates through the closing piece, at least one open pore penetrates out of the closing piece.

20. The beverage extraction device of claim 19, wherein: the open holes are sequentially distributed at intervals along the axial direction of the needle.

21. The beverage extraction device according to claim 20, wherein: two adjacent openings are staggered and are respectively arranged on two opposite sides of the needle.

22. The beverage extraction device according to any one of claims 1 to 21, wherein: also included is a battery configured to power the fluid extraction device.

23. A method of beverage extraction, comprising the steps of:

puncturing: piercing the tip of the needle into and through the closure at the opening of the beverage container;

closing the valve: the operating valve body is in a disconnected state, and the lumen of the needle is not communicated with the atmosphere in the disconnected state;

liquid level adjustment: adjusting the beverage container so that the needle is immersed in the beverage within the beverage container;

extracting the beverage: activating the fluid extraction device to extract a beverage through the needle; if the pressure in the beverage container is too low, so that the beverage is difficult to extract, the following steps are carried out: adjusting air pressure: stopping the extraction of the fluid extraction device, adjusting a beverage container to separate the beverage in the beverage container from the needle, operating the valve body to be in a communication state, wherein in the communication state, the tube cavity is communicated with the atmosphere, and increasing the air pressure in the beverage container to meet the requirement of the pressure difference of the fluid extraction device;

repeating the steps of closing the valve, adjusting the liquid level and extracting the beverage until the beverage in the beverage container is completely extracted or the extracted beverage reaches the required amount;

vacuumizing: when beverage remains in the beverage container after the beverage is extracted, adjusting the beverage container to separate the beverage in the beverage container from the needle, extracting air in the beverage container by adopting the fluid extraction device until the interior of the beverage container is vacuum or is close to the vacuum, and extracting the needle from the sealing piece.

24. The beverage extraction method of claim 23, wherein: in the step of evacuating, the fluid extraction device remains activated when the needle is withdrawn from the closure.

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