A pressurized storage device, coffee can and canning method, method of use

Abstract

The application discloses a kind of pressurized storage devices, it is characterized in that, including bottle cap and bottle body, bottle cap and bottle body are connected by thread;The bottle cap includes cover body, storage cavity is arranged in cover body, storage cavity is equipped with pressurizing sleeve outside, pressurizing gas is passed between storage cavity and pressurizing sleeve, and is connected by thread;The pressurizing sleeve is spaced apart and is provided with baffle on upper edge, and the bottle body is equipped with protrusion one, and protrusion one is clamped baffle, when bottle cap reverse rotation drives storage cavity relative pressurizing sleeve reverse rotation, there is gap between storage cavity and pressurizing sleeve, and material in storage cavity is sprayed into bottle body by gap under the action of pressurizing gas.The pressurizing sleeve is locked on storage cavity to form sealed space, nitrogen is passed into twice, and the nitrogen gas compressed in bottle cap has fresh-keeping effect, and the bottle cap and bottle body are twisted and opened, and storage cavity and pressurizing sleeve are opened, and when bottle cap is twisted, coffee liquid stock solution can be sprayed into water, coffee is brewed, and the fusion of coffee liquid stock solution and water can be accelerated, and good visual effect and experience are obtained.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of drinks, in particular to a pressurized storage device, a coffee jar, and a jar filling method and a use method. BACKGROUND

[0002] Coffee has become a necessity for more and more people in life, and people want to drink coffee anytime and anywhere, but now it is generally in fixed places such as coffee shops and homes. There are also canned or bottled coffee, but in order to preserve coffee and extend shelf life, preservatives are generally added, which cannot maintain the purity of coffee. Coffee powder and water can also be carried, but it is not convenient to carry and inconvenient to brew. Therefore, the product is designed to preserve coffee and facilitate storage and brewing. SUMMARY

[0003] The present application aims at the above-mentioned problems, and provides a pressurized storage device, a coffee jar, and a jar filling method and a use method. The present application connects the bottle cap, the storage cavity, the pressurized sleeve and the bottle body in a clever way, pressurizes the coffee liquid or coffee powder in the bottle cap, and separates and stores the coffee liquid from the water in the bottle body. When brewing is needed, the bottle cap is twisted open, which will simultaneously open the gap between the storage cavity and the pressurized sleeve, and the coffee liquid will be completely injected into the water by the pressurized gas to complete the brewing.

[0004] The technical scheme of the present application is as follows:

[0005] The present application discloses a pressurized storage device, comprising a bottle cap and a bottle body, which are connected by threads. The bottle cap comprises a cap body, the cap body is provided with a storage cavity, the storage cavity is provided with a pressurized sleeve outside, the storage cavity and the pressurized sleeve are connected by threads and are provided with pressurized gas. The pressurized sleeve is provided with a baffle at the upper edge, the bottle body is provided with a protrusion one, the protrusion one clamps the baffle, when the bottle cap is reversely rotated to drive the storage cavity to reversely rotate relative to the pressurized sleeve, a gap appears between the storage cavity and the pressurized sleeve, and the material in the storage cavity is injected into the bottle body under the action of the pressurized gas through the gap.

[0006] The above structure, the pressurized gas is connected between the storage cavity and the pressurized sleeve, the pressurized gas can compress and preserve the material in the storage cavity; the bottle cap is reversely rotated to drive the storage cavity to reversely rotate relative to the pressurized sleeve, a gap appears between the storage cavity and the pressurized sleeve, the storage cavity and the pressurized sleeve can be twisted open at the same time by normal cap twisting, the pressurized gas not only has a preservation effect, but also provides power for brewing, and quickly mixes with the liquid in the bottle body, which saves the extra power needed in brewing, and the visual effect is remarkable.

[0007] The baffle is arranged at intervals between the upper edges of the pressurizing sleeve, the bottle body is provided with a protrusion, when the bottle cap is screwed, the baffle passes the protrusion, the protrusion clamps the baffle, which can strengthen the locking of the bottle cap, and provide a supporting point when the bottle cap is unscrewed, facilitating the unscrewing between the storage cavity and the pressurizing sleeve, and achieving the effect of spraying while unscrewing.

[0008] Preferably, a support column is arranged in the middle of the storage cavity, and a rubber plug I is fixed at the top end of the support column; a spraying hole is opened in the bottom of the pressurizing sleeve, and the spraying hole is sealed by the rubber plug I; the support column comprises a support rod and a reinforcing plate, and the support rod is connected to the inner side of the cover body through the reinforcing plate on both sides; a sealing ring is arranged on the lower edge of the storage cavity.

[0009] The arrangement of the reinforcing plate can strengthen the connection between the support rod and the cover body, and also ensure the stability of the support rod and the rubber plug I after the pressurization of the gas, thereby achieving better sealing. The arrangement of the sealing ring can ensure the sealing between the storage cavity and the pressurizing sleeve, prevent the nitrogen gas from leaking upward after the bottle cap is just unscrewed, and reduce the downward spraying pressure.

[0010] Preferably, the storage cavity is connected by four cylindrical bodies with diameters decreasing in sequence; an outer thread II is arranged on the second cylindrical body, and protrusions III are arranged at intervals on the third cylindrical body, and the protrusions III are arranged along the circumferential direction of the cylindrical body.

[0011] The arrangement of the protrusions III can limit the upward movement of the pressurizing sleeve along the storage cavity, and ensure the number of screwing turns.

[0012] Preferably, a filling port is arranged at the rear end of the storage cavity, the filling port is in communication with a sealing port outward, and a rubber plug II is arranged in the sealing port.

[0013] The arrangement of the filling port at the rear end of the storage cavity, the communication of the filling port with the sealing port outward, and the arrangement of the rubber plug II in the sealing port can inject coffee liquid into the storage cavity from the rear end, which is more convenient than adding from the front end; the rubber plug II in the sealing port is used for sealing and preserving after the injection of coffee liquid and nitrogen gas, and can also accommodate the second needle-type injection of nitrogen gas.

[0014] Preferably, a top cover is further arranged on the cover body, and the top cover fixes the rubber plug II.

[0015] The arrangement of the top cover can prevent the addition of other substances in the storage material, protect the rubber plug II from falling off, and also can be labeled with an identification for anti-counterfeiting.

[0016] Preferably, the thickness of the baffle gradually decreases in the clockwise direction.

[0017] The thickness of the baffle gradually decreases along the clockwise direction, the baffle is thick at one end and thin at the other end, when the bottle cap is screwed, the thin end of the baffle first contacts the protrusion, and the baffle can be driven through the protrusion, but when it is unscrewed, the thick end of the baffle first contacts the protrusion, and the protrusion is clamped to provide support.

[0018] Preferably, two threads are arranged between the bottle cap and the bottle body, and two threads are arranged between the storage cavity and the pressurizing sleeve.

[0019] The above structure, because the bottle cap and the bottle body are provided with two threads, and the storage cavity and the pressurizing sleeve are provided with two threads, when the two threads are unscrewed, the coffee liquid in the storage cavity is just completely sprayed into the bottle body.

[0020] The application discloses a coffee can adopting a pressurizing storage device.

[0021] The application discloses a canning method of a coffee can, based on the coffee can, comprising the following steps:

[0022] S1: the pressurizing sleeve is sleeved on the storage cavity and is locked;

[0023] S2: the bottle cap with the locked pressurizing sleeve is screwed on the bottle body;

[0024] S3: the concentrated coffee liquid is implanted into the storage cavity from the rear end of the storage cavity;

[0025] S4: the first nitrogen is filled into the storage cavity, and the nitrogen sinks to squeeze out oxygen in the storage cavity;

[0026] S5: the rubber plug two is arranged in the sealing opening;

[0027] S6: the second nitrogen is pressurized into the storage cavity through the rubber plug two needle type;

[0028] S7: the top cover is fixed on the bottle cap, and the canning is completed.

[0029] The application discloses a use method of a coffee bottle can, based on the coffee can, comprising: screwing the bottle cap, the bottle cap is unscrewed relative to the bottle body, and the storage cavity is unscrewed relative to the pressurizing sleeve, the coffee liquid in the storage cavity is sprayed into water through nitrogen; when two turns are screwed, the coffee liquid in the storage cavity is completely sprayed into water and completely mixed.

[0030] According to the above technical scheme, the application has the following beneficial effects:

[0031] 1. The application stores the concentrated coffee liquid in the storage cavity arranged in the bottle cap, the pressurizing sleeve is arranged outside the storage cavity, the pressurizing sleeve is locked on the storage cavity to form a sealed space, nitrogen is filled into the space twice, the nitrogen gas compressed by the bottle cap has a fresh-keeping effect, the coffee liquid does not need to add any preservative, and the change of the structure optimizes the product formula.

[0032] 2、The storage cavity and the pressurizing sleeve of the application are locked respectively between the bottle cap and the bottle body, and the bottle cap and the bottle body are twisted to drive the storage cavity and the pressurizing sleeve to open, so that the bottle cap is twisted to trigger the spraying, and the use is convenient.

[0033] 3、The application uses nitrogen to preserve the coffee liquid stock solution, and the coffee liquid stock solution is sprayed by nitrogen, and the coffee liquid stock solution and water are fused by the spraying, so that the visual effect and experience are good.

[0034] 4、The overall design advantage of the application meets the batch production requirements, and the operation is very strong from production and filling to use. BRIEF DESCRIPTION OF DRAWINGS

[0035] The application will be illustrated by examples and with reference to the accompanying drawings, in which:

[0036] Figure 1 It is a structure schematic view of the pressurized storage device of the application.

[0037] Figure 2 It is a structure schematic view of the bottle body in the embodiment.

[0038] Figure 3 It is a structure schematic view of the bottle cap in the embodiment.

[0039] Figure 4 It is a structure schematic view of the cap body in the embodiment.

[0040] Figure 5 It is a structure schematic view of the cap body without sealing plug and rubber plug in the embodiment.

[0041] Figure 6 It is a structure schematic view of the storage cavity in the embodiment.

[0042] Figure 7 It is a structure schematic view of the sealing plug in the embodiment.

[0043] Figure 8 It is a structure schematic view of the rubber plug one in the embodiment.

[0044] Figure 9 It is a front view of the pressurizing sleeve in the embodiment.

[0045] Figure 10 It is a side view of the pressurizing sleeve in the embodiment.

[0046] Figure 11 It is a use state view of the baffle and the protrusion in the embodiment.

[0047] Figure 12 It is a structure schematic view of the rear end of the storage cavity without sealing in the embodiment.

[0048] Figure 13 Figure 11 is a schematic view of the sealing state of the rear end of the storage cavity in the embodiment.

[0049] Figure 14 Figure 12 is a schematic view of the structure after the cover is capped in the embodiment.

[0050] Figure 15 Figure 13 is a schematic view of the structure of the rubber plug two in the embodiment.

[0051] Reference signs: 1-bottle cap, 11-cover, 12-storage cavity, 121-sealing ring, 122-support, 123-rubber plug one, 1231-protrusion two, 124-outer thread two, 125-reinforcing plate, 126-protrusion three, 127-filling port, 128-sealing port, 1281-rubber plug two, 1282-groove, 129-top cover, 13-pressurizing sleeve, 131-baffle, 132-internal thread, 133-injection hole, 2-bottle body, 20-outer thread one, 21-protrusion one. DETAILED DESCRIPTION

[0052] All features disclosed in this specification, and / or all steps of any methods or processes disclosed in this specification, can be combined in any combination, except combinations where at least some of such features and / or steps are mutually exclusive.

[0053] Any feature disclosed in this specification, unless stated otherwise, can be replaced by alternative features or claims disclosed in this specification. That is, each feature disclosed is one example only of a number of alternative features, unless stated otherwise.

[0054] The features and benefits of the present application will become apparent from the following detailed description, examples of which are given for the purpose of illustration and not limitation.

[0055] The present application discloses a pressurized storage device, comprising a bottle cap and a bottle body, the bottle cap and the bottle body are connected through threads; the bottle cap comprises a cover, the cover is provided with a storage cavity, the storage cavity is provided with a pressurizing sleeve outside, the storage cavity and the pressurizing sleeve are connected through threads; the bottle cap is reversely rotated to drive the storage cavity to reversely rotate relative to the pressurizing sleeve, there is a gap between the storage cavity and the pressurizing sleeve, and materials in the storage cavity are injected into the bottle body through the gap.

[0056] In the embodiment, baffles are arranged at intervals on the upper edge of the pressurizing sleeve; a protrusion is arranged in the bottle body, and the protrusion clamps the baffles when the pressurizing sleeve moves towards the bottle body; a support is arranged in the middle of the storage cavity, and a rubber plug is fixed to the top end of the support; the support comprises a support rod and a reinforcing plate, and the support rod is connected to the inner side of the cover body through the reinforcing plate on both sides; a sealing ring is arranged on the lower edge of the storage cavity; a sliding sealing ring is further sleeved on the storage cavity to prevent nitrogen gas from leaking upwards; an external thread is arranged on the outside of the bottle body and is used in cooperation with the internal thread on the bottle cap; a jet hole is formed in the bottom of the pressurizing sleeve and is sealed by the rubber plug; the thickness of the baffles gradually decreases in the clockwise direction; the storage cavity is connected by four cylinders with diameters decreasing in sequence; an external thread is arranged on the second cylinder, and protrusions are arranged at intervals on the third cylinder and arranged along the circumferential direction of the cylinder; two threads are arranged between the bottle cap and the bottle body, and two threads are arranged between the storage cavity and the pressurizing sleeve.

[0057] In one embodiment, the storage cavity is filled through the rear end. A rubber plug 1 and a sealing plug are arranged at the front end of the storage cavity, and the front end forms a sealing structure in cooperation with the pressurizing sleeve. The rear end of the storage cavity is provided with a filling port, and the filling port is in communication with a sealing port outside. A rubber plug 2 is arranged in the sealing port. First, the front end of the storage cavity and the pressurizing sleeve are locked, and then the entire bottle cap and bottle body are also tightened. The rubber plug 2 in the sealing port is opened, and coffee liquid and nitrogen gas are added through the filling port. The rubber plug 2 is tightened, and nitrogen gas is injected from the rubber plug 2. The top cap is locked on the bottle cap.

[0058] In another embodiment, the storage cavity is filled through the front end. An inflation hole is arranged on the pressurizing sleeve; the front end of the rubber plug is provided with a protrusion 2. The concentrated coffee liquid is implanted in the bottle cap, the first nitrogen gas is filled into the bottle cap, the nitrogen gas sinks and displaces the oxygen in the cap, the pressurizing sleeve is locked on the storage cavity, the second nitrogen gas is filled into the bottle cap, and the nitrogen gas is injected into the bottle cap by a needle, so that the pressure of the nitrogen gas is increased by 2-2.5 atmospheres. The bottle body is filled with water, and the bottle cap is tightened.

[0059] The pressurized storage device in the application can not only be used for coffee, tea and other beverages, but also be used for the fusion and brewing of different materials such as liquid and powder with liquid, and is not limited to the above-mentioned cases. It can be used for the brewing of any suitable material.

[0060] In the embodiment, a coffee jar is disclosed, and the specific structure is as follows:

[0061] As shown in Figure 1 , the coffee jar comprises a bottle cap 1 and a bottle body 2, and the bottle cap 1 and the bottle body 2 are connected through threads. The bottle cap 1 and the bottle body 2 are tightened by rotating the bottle cap 1 clockwise, and the bottle cap 1 and the bottle body 2 are loosened by rotating the bottle cap 1 counterclockwise.

[0062] As shown in Figure 2As shown, the bottle body 2 includes a bottle body and a bottle mouth, the bottle mouth is externally provided with external thread one 20, and the bottle mouth is internally provided with protrusions one 21 arranged in an annular interval, preferably three protrusions one 21.

[0063] As shown in Figure 3 , 4 and 5, the bottle cap 1 includes a cap body 11, the cap body 11 is internally provided with a storage cavity 12, the storage cavity 12 is externally provided with a pressurizing sleeve 13, the storage cavity 12 and the pressurizing sleeve 13 are connected through threads to form a sealed space, nitrogen gas is filled in the sealed space to preserve freshness, and contact between the concentrated coffee liquid in the storage cavity and water in the bottle body is avoided to facilitate storage. The storage cavity 12 is externally provided with external thread two 124 which cooperates with internal thread 132 provided in the pressurizing sleeve 13. The storage cavity 12 is connected by four cylinder bodies with diameters decreasing in sequence, the second cylinder body is provided with external thread two 124, the third cylinder body is provided with protrusions three 126 arranged in a circumferential direction of the cylinder body. Multiple turns of threads can be provided between the bottle cap and the bottle body, and the bottle cap and the bottle body are screwed tightly or unscrewed by turning multiple turns.

[0064] In an embodiment, preferably two turns of threads are provided between the bottle cap and the bottle body, and two turns of threads are provided between the storage cavity and the pressurizing sleeve, and the time for turning two turns is just enough for the nitrogen gas to spray the concentrated coffee liquid into water.

[0065] The storage cavity 12 is provided with a support 122 in the middle, the support 122 is fixed with a rubber plug one 123 at the top end, and the storage cavity 12 is provided with a sealing ring 121 at the lower edge.

[0066] In some embodiments, the storage cavity 12 is further sleeved with a sliding sealing plug for preventing upward leakage of nitrogen gas.

[0067] As shown in Figure 6 , the support 122 includes a support rod and a reinforcing plate 125, the support rod is connected to the inner side of the cap body through the reinforcing plate 125 on both sides, the reinforcing plate 125 is in a trapezoidal structure, the upper part is short, the lower part is long, and the lower part is connected to the inner side of the cap body. The reinforcing plate increases the contact area to improve stability and avoid deformation of the middle support under a large pressure. The storage cavity 12 stores concentrated coffee liquid and is filled with nitrogen gas for preservation.

[0068] As shown in Figure 7 , the sealing ring 121 is a threaded rubber ring, which is sleeved on the lower edge of the storage cavity and abuts against the inner side of the pressurizing sleeve for sealing.

[0069] As shown in Figure 8 , the rubber plug 123 is a cylinder, and the front end is provided with protrusions two 1231.

[0070] As shown in Figure 9 and 10As shown, the upper edge of the pressurizing sleeve 13 is provided with baffles 131 at intervals, preferably three, the thickness of the baffles gradually decreases in the clockwise direction; the bottom of the pressurizing sleeve 13 is provided with injection holes 133, which are sealed by rubber plugs; the pressurizing sleeve 13 is provided with a gas filling hole, through which nitrogen gas can be filled into the storage cavity to pressurize.

[0071] As shown in the drawings, Figure 11 As shown, the upper edge of the pressurizing sleeve 13 is provided with baffles 131 at intervals, the bottle body is provided with a protrusion 21, and the pressurizing sleeve 13 moves towards the bottle body along with the bottle cap, and the protrusion 21 clamps the baffles 131.

[0072] As shown in the drawings, Figure 12 As shown, the rear end of the storage cavity is provided with filling ports 127, which are in communication with sealing ports 128. Preferably, there are two filling ports, air is discharged from one filling port, nitrogen gas is added from the other filling port, and air is also squeezed out from the other filling port.

[0073] As shown in the drawings, Figure 13 As shown, after the coffee liquid and nitrogen gas are filled, a rubber plug 1281 is inserted into the sealing port to block the filling port.

[0074] As shown in the drawings, Figure 14 As shown, after the second filling of nitrogen gas, a top cover 129 is installed on the top, and the top cover 129 is fixed on the bottle cap.

[0075] As shown in the drawings, Figure 15 As shown, the side surface of the rubber plug 1281 is provided with threads, which cooperate with the internal threads of the sealing port 128. When sealing is required, the rubber plug 1281 can be rotated and inserted into the sealing port for fixation. The surface of the rubber plug 1281 is also provided with a groove 1282 for positioning when the nitrogen gas is injected for the second time.

[0076] In one embodiment, the present application discloses a method for filling a coffee jar, comprising the following steps:

[0077] S1: The pressurizing sleeve is sleeved on the storage cavity and locked;

[0078] S2: The bottle cap of the pressurizing sleeve is tightened on the bottle body;

[0079] S3: The concentrated coffee liquid is injected into the storage cavity from the rear end of the storage cavity;

[0080] S4: The first nitrogen gas is filled into the storage cavity, and the nitrogen gas sinks to expel the oxygen gas in the storage cavity;

[0081] S5: The rubber plug 2 is installed in the sealing port;

[0082] S6: The second nitrogen gas is injected into the storage cavity through the rubber plug 2;

[0083] S7: fixing the top cover on the bottle cap, and completing the canning.

[0084] In another embodiment, the application discloses another canning method of a coffee can, comprising the following steps:

[0085] S1: opening the storage cavity of the coffee can bottle cap, and implanting the concentrated coffee liquid into the storage cavity;

[0086] S2: filling the first nitrogen into the storage cavity, and sinking the nitrogen to squeeze out the oxygen in the storage cavity;

[0087] S3: sleeving the pressurizing sleeve on the storage cavity, and locking the cover;

[0088] S4: through the inflation hole on the pressurizing sleeve, the needle pressurizing second nitrogen is filled into the pressurizing sleeve and the storage cavity, and the nitrogen is pressurized to 2-2.5 atmospheres;

[0089] S5: filling water in the bottle body, and screwing the inflation pressurized bottle cap on the bottle body.

[0090] The application further discloses a use method of the coffee bottle can, which is based on the coffee can and comprises the following steps: screwing the bottle cap, the bottle cap is unscrewed relative to the bottle body, the storage cavity is unscrewed relative to the pressurizing sleeve, and the coffee liquid in the storage cavity is sprayed into water through the nitrogen; when the bottle cap is screwed for two circles, the coffee liquid in the storage cavity is completely sprayed into water and completely mixed, and a cup of freshly brewed American coffee can be drunk.

[0091] In the embodiment, the bottle cap material has the pressure resistance of 4-5 atmospheres, and can compress the nitrogen to 2-2.5 atmospheres. The bottle cap compresses the nitrogen to the extreme, and has the preservation effect. The coffee liquid does not need to add any preservative, the change of the structure brings the optimization of the product formula, and the product ingredients are clean, only the coffee liquid and water.

[0092] The above embodiment only expresses the specific implementation manner of the application, and the description is more specific and detailed, but it cannot be understood as the limitation to the protection scope of the application. It should be pointed out that, for the ordinary skilled in the art, without departing from the technical scheme concept of the application, a plurality of modifications and improvements can be made, and these all belong to the protection scope of the application.

Claims

1. A pressurized storage device, characterized in that: The bottle cap comprises a bottle cap and a bottle body, which are connected to the bottle cap and the bottle body by a threaded connection; the bottle cap comprises a cover body, a storage chamber is provided in the cover body, a filling port is provided at the rear end of the storage chamber, the filling port is connected to the sealing port outwardly, a rubber stopper is provided in the sealing port, a pressure sleeve is provided outside the storage chamber, pressurized gas is communicated between the storage chamber and the pressure sleeve, and the two are connected by a threaded connection; baffles are provided at intervals on the upper edge of the pressure sleeve, a protrusion is provided in the bottle body, and the protrusion clamps the baffle, when the bottle cap rotates in the opposite direction and drives the storage chamber to rotate in the opposite direction relative to the pressure sleeve, a gap appears between the storage chamber and the pressure sleeve, and the material in the storage chamber is sprayed into the bottle body through the gap under the action of the pressurized gas; The storage cavity is formed by connecting four cylinders with successively decreasing diameters; the second cylinder is provided with a second external thread, and the third cylinder is provided with three protrusions at intervals, and the three protrusions are arranged along the circumference of the cylinder.

2. The pressurized storage device according to claim 1, characterized in that A pillar is provided in the middle of the storage chamber, and a rubber plug is fixed to the top of the pillar; an injection hole is opened at the bottom of the pressurized sleeve, and the injection hole is sealed by a rubber plug; the pillar includes a support rod and a reinforcement plate, and the two sides of the support rod are connected to the inner side of the cover body through the reinforcement plate; a sealing ring is installed on the lower edge of the storage chamber.

3. The pressurized storage device according to claim 2, characterized in that The cover body is also provided with a top cover, and the top cover is fixed with the rubber plug 2.

4. The pressurized storage device according to claim 1, wherein The thickness of the baffle gradually decreases in a clockwise direction.

5. The pressurized storage device according to claim 1, wherein Two circles of threads are arranged between the bottle cap and the bottle body, and two circles of threads are arranged between the storage cavity and the pressurizing sleeve.

6. A coffee can, characterized in that: A pressurized storage device as claimed in any one of claims 1 to 5 is used.

7. A method for filling coffee cans, characterized in that: Based on the coffee can according to claim 6, the steps include: S1: Put the compression sleeve on the storage chamber and lock it; S2: The bottle cap with the pressurized sleeve is screwed onto the bottle; S3: injecting concentrated coffee liquid into the storage chamber from the rear end of the storage chamber; S4: Fill the storage chamber with the first stream of nitrogen, which sinks and squeezes out the oxygen in the storage chamber; S5: Install the second rubber plug in the sealing port; S6: Pressurize the second stream of nitrogen gas into the storage chamber through the rubber stopper using a two-needle method; S7: Fix the top cover on the bottle cap to complete the canning.

8. A method for using a coffee can, characterized in that: The coffee can according to claim 6 includes: twisting the bottle cap to unscrew the bottle cap relative to the bottle body, and at the same time driving the storage chamber to unscrew relative to the pressurized sleeve, so that the coffee liquid in the storage chamber is sprayed into the water through nitrogen; when twisting it twice, all the coffee liquid in the storage chamber is sprayed into the water and completely mixed.

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