Novel beverage container
By designing an air-injection device and valve core structure in the beverage container, the problem of unstable beverage flow rate is solved, achieving stable beverage flow and reducing foam generation, thus improving the drinking experience.
Patent Information
- Application Number
- CN202520173379.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-24
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-01-24
AI Technical Summary
Existing beverage containers are prone to problems with slow or unstable flow rates when used, especially when beverages flow out under high pressure, resulting in uneven flow rates and foam formation.
A novel beverage container has been designed with a built-in gas replenishment device and valve core structure. By automatically replenishing gas pressure and multiple liquid outlet channels, it ensures a stable flow of beverages.
It achieves a stable flow of beverages, reduces foam production, and improves the drinking experience.
Smart Images
Figure CN223688098U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a novel beverage container. BACKGROUND
[0002] At present, the market has various kinds of beverages, such as beer, wine, sparkling wine, fruit wine, sparkling water, carbonated beverage, etc., which are usually filled in large containers for convenient transportation and storage. In order to facilitate the extraction of the beverage in the container, high-pressure gas is usually injected into the container to make the beverage flow out under the action of high pressure. When the liquid in the container is continuously squeezed out, the gas space in the container increases, and the pressure decreases, resulting in slow flow rate. Therefore, it is necessary to supplement the gas pressure in the container to control the internal pressure of the container, so that the beverage can flow out smoothly.
[0003] The utility model is made based on this situation. CONTENT
[0004] The utility model overcomes the defects of the prior art and provides a novel beverage container which is simple in structure, can automatically supplement the gas pressure, and has good beverage extraction effect.
[0005] The utility model is implemented through the following technical solutions:
[0006] A novel beverage container comprises a barrel body, a sealing cover for sealing the barrel opening of the barrel body, a sealing cap fixed to the sealing cover, a valve body fixed to the sealing cap, a liquid guide pipe connected to the lower end of the valve body, a valve core capable of moving up and down in the valve body, an inner sealing gasket fixed between the upper end of the valve body and the sealing cap, a sealing ring hole provided in the inner sealing gasket, an outlet provided in the sealing cap corresponding to the sealing ring hole, the upper end of the valve core located outside the edge of the sealing ring hole, an outlet liquid channel provided between the outer side of the valve core and the valve body, the outlet liquid channel being in communication with the sealing ring hole and the lower end of the valve body, an elastic member provided in the valve body, the elastic member elastically pressing the valve core upward so that the upper end of the valve core is pressed on the inner sealing gasket to close the outlet liquid channel, and a gas supplementing device provided in the barrel body, the gas supplementing device being capable of supplementing gas into the barrel body when the internal pressure of the barrel body decreases.
[0007] The novel beverage container described above, the side wall and the bottom of the valve body are provided with a plurality of convex ribs protruding inward, the plurality of convex ribs are arranged at intervals in the circumferential direction, the side wall of the valve core cooperates with the convex ribs to slidably connect the valve core in the valve body, and the outlet liquid channel is formed between two adjacent convex ribs.
[0008] The novel beverage container described above, the upper end of the valve core is provided with a downwardly recessed trumpet mouth, and the trumpet mouth is larger than the sealing ring hole.
[0009] A new type of beverage container as described above, the air supplementing device comprises an aerosol can, high pressure gas is sealed in the aerosol can, a valve is arranged on the aerosol can, a bottle cap is arranged on the aerosol can and covers the outside of the valve, a valve rod is arranged on the valve and opens the valve to spray the high pressure gas in the aerosol can when moving downward and closes the valve when moving upward, a piston is arranged in the bottle cap, a valve seat is fixed on the piston, the piston and the valve seat are above the valve rod, a lever switch is rotatably connected to the valve seat, an elastic torsion mechanism is arranged on the lever switch to drive the lever switch to rotate, a boss is arranged on the lever switch and presses on the side of the valve rod under the action of the elastic torsion mechanism, a positive pressure chamber is arranged above the piston in the bottle cap to provide downward pressure to the piston when the piston moves upward, the bottle cap is connected to the outside to enable the high pressure fluid outside to enter the bottle cap and push the piston and the valve seat upward to drive the lever switch to move upward and make the boss separate from the side of the valve rod, the boss rotates to be above the valve rod under the action of the elastic torsion mechanism after separating from the side of the valve rod, when the fluid pressure in the barrel decreases and the pressure below the piston is less than the pressure in the positive pressure chamber, the piston and the valve seat move downward and push the valve rod to move downward by pressing on the valve rod through the boss to open the valve.
[0010] A new type of beverage container as described above, the valve comprises a sealing cup fixed at the can opening of the aerosol can, a valve chamber is fixed on the sealing cup, the valve rod is arranged in the valve chamber, a sealing gasket is arranged at the upper end of the valve chamber to seal the valve chamber from above, the upper end of the valve rod passes through the sealing gasket and is exposed above the sealing gasket, the valve rod is sealingly connected with the sealing gasket, a gas hole is arranged on the side of the valve rod, an inner channel is arranged on the valve rod to connect the gas hole with the outside of the aerosol can, a first spring is arranged in the valve chamber to elastically press the valve rod upward to make the gas hole be sealed by the sealing gasket.
[0011] A new type of beverage container as described above, activated carbon and carbon dioxide or inert gas that can be adsorbed by activated carbon are arranged in the aerosol can, a filter stick is arranged at the inlet of the lower end of the valve chamber.
[0012] A new type of beverage container as described above, the valve seat is provided with sleeve on the outside of the valve stem, the lever switch is provided with rotating shaft, the lever switch includes the first end and the second end located on both sides of the rotating shaft, the bottle cap is provided with the outlet for the first end to extend and the first end to move up and down, the valve seat is provided with the first limiting part and the second limiting part for limiting the activity range of the second end, when the lever switch rotates and the first end moves upward, the boss rotates to the side of the valve stem, the first limiting part is used for limiting the downward movement of the second end; when the lever switch rotates and the first end moves downward, the boss rotates above the valve stem, the second limiting part is used for limiting the upward movement of the second end and limiting the boss above the valve stem; when the boss is located above the valve stem, the boss and the first end are located on both sides of the rotating shaft respectively.
[0013] A new type of beverage container as described above, the elastic torsion mechanism is a torsion spring installed between the lever switch and the valve seat.
[0014] A new type of beverage container as described above, the piston is provided with a sealing ring in sealing connection with the inner wall of the bottle cap, and a sealing ring in sealing connection with the inner wall of the bottle cap is further connected to the piston, so that the positive pressure chamber forms a sealed space, and high-pressure gas is compressed in the positive pressure chamber.
[0015] A new type of beverage container as described above, a second spring is arranged in the positive pressure chamber to elastically press the piston downward.
[0016] Compared with the prior art, the beverage container has the following advantages:
[0017] 1. The beverage container has the following advantages: the barrel body is provided with a gas supplementing device capable of supplementing gas into the barrel body when the internal pressure of the barrel body decreases, the valve core is pushed down by external force from the outlet and the sealing ring hole, the upper end of the valve core is separated from the inner sealing ring to open the liquid outlet channel, the high-pressure gas in the barrel body presses the beverage into the valve body through the liquid guide pipe and flows out from the outlet through the liquid outlet channel; when the external force is released, the valve core moves upward and presses on the inner sealing ring under the action of the elastic member to close the liquid outlet channel, when the liquid in the barrel body is continuously squeezed out, the gas space in the barrel body continuously increases, the pressure in the barrel decreases, and when the pressure decreases to a certain extent, the gas supplementing device is opened to release the gas in the container, which is beneficial to the use of the beverage.
[0018] 2. The beverage is divided and flows out through multiple liquid outlet channels, the flow rate is slowed down, and for wine that is easy to foam, the generation of foam is reduced, and the taste of the wine is good.
[0019] 3. In the beverage container of this utility model, when the liquid inside the container is continuously squeezed out, causing the pressure inside the container to continuously decrease until the pressure below the piston is less than the pressure in the positive pressure chamber, the piston and valve seat push the valve rod downward together, causing the air hole to disengage from the sealing gasket and connect the inner channel and the valve chamber, opening the valve, and the high-pressure gas in the aerosol can is ejected to replenish the air pressure in the container; when the piston and valve seat push the valve rod downward together, the pressure in the positive pressure chamber decreases, the first spring is compressed and its elastic force increases, and the aerosol can continuously replenishes the air pressure in the container, causing the fluid pressure in the container to continuously increase. When the fluid pressure in the container recovers to a certain value and the upward force of the first spring is greater than the pressure in the positive pressure chamber, the piston, valve seat, lever switch and valve rod move upward simultaneously, the air hole is sealed by the sealing gasket, and the valve closes; when the pressure inside the container decreases again, under the action of the pressure in the positive pressure chamber, the piston and valve seat move downward and, through the boss pressing on the valve rod, push the valve rod downward to reopen the valve to replenish, and this process is repeated. [Attached Image Description]
[0020] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings, wherein:
[0021] Figure 1 This is a perspective view of a novel beverage container according to this utility model;
[0022] Figure 2 This is a cross-sectional view of a novel beverage container according to this utility model;
[0023] Figure 3 This is a utility model Figure 2 Enlarged view of point A in the middle;
[0024] Figure 4 This is a schematic diagram of the valve body of a novel beverage container according to this utility model;
[0025] Figure 5 This is a schematic diagram of the valve core of a novel beverage container according to this utility model;
[0026] Figure 6 This is a utility model Figure 2 Enlarged view of point B in the middle;
[0027] Figure 7 This is a utility model Figure 6 A schematic diagram showing the boss in the lever switch located on the side of the valve stem;
[0028] Figure 8 This is a schematic diagram of the second embodiment of the gas-filling device for a novel beverage container according to this utility model.
Detailed Implementation Methods
[0029] The present invention will be further described below with reference to the accompanying drawings:
[0030] As shown in Figures 1 to 8 A new type of beverage container, comprising a barrel 1, the barrel mouth of the barrel 1 is provided with a sealing cover 2 for sealing the barrel mouth, the sealing cover 2 is fixed with a sealing cover 3, the sealing cover 3 is fixed with a valve body 4, the lower end of the valve body 4 is connected with a liquid guide pipe 5, the valve body 4 is provided with a valve core 6 which can move up and down in the valve body 4, the upper end of the valve core 6 is located outside the edge of the sealing ring hole 71, the outer side of the valve core 6 and the valve body 4 are provided with a liquid outlet channel 40 which connects the sealing ring hole 71 and the lower end of the valve body 4, the valve body 4 is provided with an elastic member 8 which elastically presses the valve core 6 upwards so that the upper end of the valve core 6 presses on the inner sealing gasket 7 to close the liquid outlet channel 40, the barrel 1 is provided with a gas supplement device 9 which can supplement gas into the barrel 1 when the internal pressure of the barrel 1 decreases.
[0031] The beverage container is used to contain beverage and is filled with high-pressure gas. By external force, the valve core 6 is pushed down from the outlet 31 and the sealing ring hole 71, so that the upper end of the valve core 6 is separated from the inner sealing gasket 7 to open the liquid outlet channel 40. The high-pressure gas in the barrel 1 presses the beverage from the liquid guide pipe 5 into the valve body 4 and flows out from the outlet 31 through the liquid outlet channel 40. When the external force is released, the valve core 6 moves upwards and presses on the inner sealing gasket 7 under the action of the elastic member 8 to close the liquid outlet channel 40. When the liquid in the barrel is continuously squeezed out, the gas space in the barrel increases continuously, and the pressure in the barrel decreases. When the pressure decreases to a certain extent, the gas supplement device opens to release the gas in its interior to the barrel 1 to supplement the internal pressure of the barrel 1, so as to better press out the beverage for use.
[0032] As shown in Figure 4 and 5 A plurality of convex ribs 41 are protruded inwardly on the side wall and the bottom of the valve body 4, and the plurality of convex ribs 41 are arranged in the circumferential direction. The side wall of the valve core 6 cooperates with the convex ribs 41 to slidably connect the valve core 6 in the valve body 4, and the liquid outlet channel 40 is formed between two adjacent convex ribs 41. For beer and other beverages which are easy to foam, the liquid is divided into a plurality of liquid outlet channels 40, the flow rate is slowed down, and the generation of foam is reduced.
[0033] As shown in Figure 3 The upper end of the valve core 6 is provided with a downwardly recessed flared mouth 61 which is larger than the sealing ring hole 71. It is beneficial for the external plug to pass through the sealing ring hole 71 and be inserted on the valve core 6 to press down the valve core 6 to open the liquid outlet channel 40, so that the beverage in the barrel 1 gushes out.
[0034] As shown in Figure 2 , 6As shown in Fig. 8, the air supplement device 9 comprises an aerosol tank 91 in which high pressure gas is sealed, the aerosol tank 91 is provided with a valve 10, the aerosol tank 91 is provided with a bottle cap 92 covering the valve 10, the valve 10 is provided with a valve rod 93 which opens the valve 10 to spray the high pressure gas in the aerosol tank 91 when moving downward and closes the valve 10 when moving upward, the bottle cap 92 is provided with a piston 94, the piston 94 is fixed with a valve seat 95, the piston 94 and the valve seat 95 are above the valve rod 93, the valve seat 95 is rotatably connected with a lever switch 96, the lever switch 96 is provided with an elastic torsion mechanism which drives the lever switch 96 to rotate, the lever switch 96 is provided with a boss 963 which is pressed on the side of the valve rod 93 under the action of the elastic torsion mechanism, the bottle cap 92 is provided with a positive pressure chamber 920 above the piston 94, the piston 94 is upwardly movable and provides a downward pressure to the piston 94 when the piston 94 is upwardly movable, when the air supplement device 9 is placed in the barrel body 1 and the beverage and gas are injected into the barrel body 1, the fluid pressure of the barrel body 1 becomes larger, the bottle cap 92 is connected with the outside and the high pressure fluid of the outside can enter the bottle cap 92 to push the piston 94 and the valve seat 95 upwardly to drive the lever switch 96 to move upwardly and make the boss 963 separate from the side of the valve rod 93, the boss 963 separates from the side of the valve rod 93 and rotates under the action of the elastic torsion mechanism to move above the valve rod 93, when the fluid pressure in the barrel body 1 decreases and the pressure below the piston 94 is smaller than the pressure of the positive pressure chamber 920, the piston 94 and the valve seat 95 move downwardly and push the valve rod 93 to move downwardly by pressing the valve rod 93 through the boss 963 to open the valve 10, supplement the gas into the barrel body 1 and stabilize the air pressure in the barrel body 1.
[0035] Further, the valve 10 comprises a sealing cup 12 which is fixed at the tank opening of the aerosol tank 91, the sealing cup 12 is fixed with a valve chamber 13, the valve rod 93 is arranged in the valve chamber 13, the valve chamber 13 is provided with a sealing washer 14 which seals the valve chamber 13 from above, the upper end of the valve rod 93 passes through the sealing washer 14 and is exposed above the sealing washer 14, the valve rod 93 is sealingly connected with the sealing washer 14, the valve rod 93 is provided with a gas hole 931, the valve rod 93 is provided with an inner channel 932 which connects the gas hole 931 with the outside of the aerosol tank 91, the valve chamber 13 is provided with a first spring 15 which elastically pushes the valve rod 93 upwardly to make the gas hole 931 be sealed by the sealing washer 14.
[0036] Further, the aerosol tank 91 is provided with activated carbon 100 and carbon dioxide or inert gas which can be adsorbed by the activated carbon 100, the lower end inlet of the valve chamber 13 is provided with a filter stick 16 which filters impurities.
[0037] As Figure 6As shown, the valve seat 95 is provided with a sleeve 951 sleeved outside the valve rod 93, the lever switch 96 is provided with a rotating shaft 960, the lever switch 96 comprises a first end 961 and a second end 962 located on both sides of the rotating shaft 960, the bottle cap 92 is provided with an extension opening 921 for the first end 961 to extend out and move up and down, the valve seat 95 is provided with a first limiting part 952 and a second limiting part 953 for limiting the movement range of the second end 962, when the lever switch 96 rotates to make the first end 961 move upwards, the boss 963 rotates to the side of the valve rod 93, and the first limiting part 952 is used to limit the downward movement of the second end 962; when the lever switch 96 rotates to make the first end 961 move downwards, the boss 963 rotates above the valve rod 93, and the second limiting part 953 is used to limit the upward movement of the second end 962 and limit the boss 963 above the valve rod 93; when the boss 963 is located above the valve rod 93, the boss 963 and the first end 961 are located on both sides of the rotating shaft 960 respectively, so that when the valve seat 95 moves downwards with the lever switch 96, the boss 963 stably presses on the valve rod 93 to move downwards together.
[0038] When installing, the lever switch 96 is rotated by pushing the first end 961 extending outside the bottle cap 92 to move upwards until the second end 962 presses on the first limiting part 952, at this time the boss 963 rotates to a position located on the side of the valve rod 93 after being assembled, and the valve rod 93 can be inserted into the sleeve 951 upwards by avoiding the valve rod 93, as shown. Figure 7 When the piston 94 and the valve seat 95 move upwards to drive the lever switch 96 to move upwards and make the boss 963 move away from the side of the valve rod 93, the lever switch 96 rotates under the action of the elastic torsion mechanism until the second end 962 presses on the second limiting part 953, at this time the boss 963 rotates above the valve rod 93, and the boss 963 is limited to be directly above the upper end of the valve rod 93, so that when the piston 94, the valve seat 95 and the lever switch 96 move downwards, the boss 963 can better press on the valve rod 93 to push the valve rod 93 to move downwards, as shown. Figure 6 The structure is simple, and the use is stable and reliable.
[0039] The elastic torsion mechanism is a torsion spring 17 installed between the lever switch 96 and the valve seat 95. Of course, the elastic torsion mechanism can also be a plastic spring or other elastic structure integrally formed with the lever switch.
[0040] The beverage container, as an embodiment of the air supplementing device, is characterized in that a sealing ring 941 is arranged on the piston 94 and is in sealing connection with the inner wall of the bottle cap 92, and a sealing ring 942 is further arranged on the piston 94 and is in sealing connection with the inner wall of the bottle cap 92, so that the positive pressure chamber 920 forms a sealed space, and high-pressure gas is compressed in the positive pressure chamber 920, and when the positive pressure chamber 920 is compressed, the gas inside is compressed to form a downward pressure on the piston 94.
[0041] As another embodiment of the air supplementing device, as shown in Figure 8 The positive pressure chamber 920 is provided with a second spring 18 to elastically press the piston 94 downward.
[0042] When the liquid in the barrel body is continuously squeezed out to continuously reduce the pressure in the barrel body, so that the pressure below the piston is less than the pressure of the positive pressure chamber, the piston and the valve seat push the valve rod to move downward together, so that the air hole is separated from the sealing of the sealing gasket and is communicated with the inner channel and the valve chamber, the valve is opened, the high-pressure gas in the aerosol tank is sprayed to supplement the air pressure in the barrel body; after the piston and the valve seat push the valve rod to move downward together, the pressure in the positive pressure chamber is reduced, the compression force of the first spring is increased, the aerosol tank continuously supplements the air pressure in the barrel body, so that the fluid pressure in the barrel body is continuously increased, when the fluid pressure in the barrel body recovers to a certain value and the upward force of the first spring is greater than the pressure of the positive pressure chamber, the piston, the valve seat, the lever switch and the valve rod move upward at the same time, the air hole is sealed by the sealing gasket, and the valve is closed; when the pressure in the barrel body is reduced again, under the pressure of the positive pressure chamber, the piston and the valve seat move downward and press on the valve rod through the boss to push the valve rod to move downward to reopen the valve to supplement, and the reciprocating operation is repeated.
Claims
1. A novel beverage container characterized by: The utility model relates to a liquid outlet valve, which comprises a barrel body (1), a sealing cover (2) sealing the barrel opening of the barrel body (1), a sealing cover (3) fixed on the sealing cover (2), a valve body (4) fixed on the sealing cover (3), a liquid inlet pipe (5) connected to the lower end of the valve body (4), a valve core (6) capable of moving up and down in the valve body (4), an inner sealing washer (7) fixed between the upper end of the valve body (4) and the sealing cover (3), a sealing ring hole (71) provided in the inner sealing washer (7), an outlet (31) provided in the sealing cover (3) corresponding to the sealing ring hole (71), the upper end of the valve core (6) located outside the edge of the sealing ring hole (71), an outlet liquid channel (40) provided between the outer side of the valve core (6) and the valve body (4) and connecting the sealing ring hole (71) and the lower end of the valve body (4), an elastic member (8) provided in the valve body (4) and elastically pressing the valve core (6) upwards so that the upper end of the valve core (6) is pressed on the inner sealing washer (7) to close the outlet liquid channel (40), and a gas supplement device (9) provided in the barrel body (1) and capable of supplementing gas into the barrel body (1) when the internal pressure of the barrel body (1) decreases.
2. A novel beverage container as claimed in claim 1, wherein: The side wall and the bottom of the valve body (4) are provided with a plurality of convex ribs (41) protruding inward, the plurality of convex ribs (41) are arranged at intervals in the circumferential direction, the side wall of the valve core (6) is matched with the convex ribs (41) to make the valve core (6) slidably connected in the valve body (4), and the outlet liquid channel (40) is formed between two adjacent convex ribs (41).
3. A novel beverage container as claimed in claim 2, wherein: The upper end of the valve core (6) is provided with a downwardly concave horn mouth (61), and the horn mouth (61) is larger than the sealing ring hole (71).
4. A novel beverage container according to any one of claims 1 to 3, characterised in that: The air supplement device (9) comprises an aerosol can (91) with high pressure gas sealed therein, a valve (10) arranged on the aerosol can (91), a bottle cap (92) arranged on the aerosol can (91) and covering the valve (10), a valve rod (93) arranged on the valve (10) and capable of opening the valve (10) to spray the high pressure gas in the aerosol can (91) when moving downward and closing the valve (10) when moving upward, a piston (94) arranged in the bottle cap (92), a valve seat (95) fixed on the piston (94), the piston (94) and the valve seat (95) being arranged above the valve rod (93), a lever switch (96) rotatably connected to the valve seat (95), an elastic torsion mechanism arranged on the lever switch (96) and capable of driving the lever switch (96) to rotate, a boss (963) arranged on the lever switch (96) and capable of pressing on the side of the valve rod (93) under the action of the elastic torsion mechanism, a positive pressure chamber (920) arranged above the piston (94) in the bottle cap (92) and capable of providing the piston (94) with a downward pressure when the piston (94) moves upward, the bottle cap (92) being connected to the outside and enabling the high pressure fluid in the outside to enter the bottle cap (92) and push the piston (94) and the valve seat (95) upward to drive the lever switch (96) to move upward and make the boss (963) separate from the side of the valve rod (93), the boss (963) being separated from the side of the valve rod (93) and being capable of rotating under the action of the elastic torsion mechanism to move above the valve rod (93), when the fluid pressure in the barrel (1) decreases and the pressure below the piston (94) is less than the pressure of the positive pressure chamber (920), the piston (94) and the valve seat (95) move downward and push the valve rod (93) to move downward by pressing on the valve rod (93) through the boss (963) to open the valve (10).
5. A novel beverage container as claimed in claim 4, wherein: The valve (10) comprises a sealing cup (12) fixed on the can opening of the aerosol can (91), a valve chamber (13) fixed on the sealing cup (12), the valve rod (93) being arranged in the valve chamber (13), a sealing washer (14) arranged on the upper end of the valve chamber (13) and capable of sealing the valve chamber (13) from above, the upper end of the valve rod (93) penetrating through the sealing washer (14) and being exposed above the sealing washer (14), the valve rod (93) being sealingly connected to the sealing washer (14), a gas hole (931) arranged on the side of the valve rod (93), an inner channel (932) arranged on the valve rod (93) and capable of connecting the gas hole (931) with the outside of the aerosol can (91), and a first spring (15) arranged in the valve chamber (13) and capable of elastically pressing the valve rod (93) upward to make the gas hole (931) be sealed by the sealing washer (14).
6. A novel beverage container as claimed in claim 5, wherein: The aerosol can (91) is provided with activated carbon (100) and carbon dioxide or inert gas capable of being adsorbed by the activated carbon (100), and a filter rod (16) is arranged at the lower end inlet of the valve chamber (13).
7. A novel beverage container as claimed in claim 4, wherein: The valve seat (95) is provided with a sleeve (951) sleeved outside the valve stem (93), the lever switch (96) is provided with a rotating shaft (960), the lever switch (96) comprises a first end (961) and a second end (962) located on both sides of the rotating shaft (960), the bottle cap (92) is provided with an extension opening (921) for the first end (961) to extend out and move up and down, the valve seat (95) is provided with a first limiting portion (952) and a second limiting portion (953) for limiting the movement range of the second end (962), when the lever switch (96) is rotated to make the first end (961) move upward, the boss (963) is rotated to the side of the valve stem (93), and the first limiting portion (952) is used to limit the downward movement of the second end (962); when the lever switch (96) is rotated to make the first end (961) move downward, the boss (963) is rotated above the valve stem (93), and the second limiting portion (953) is used to limit the upward movement of the second end (962) and limit the boss (963) above the valve stem (93); when the boss (963) is located above the valve stem (93), the boss (963) and the first end (961) are located on both sides of the rotating shaft (960), respectively.
8. A novel beverage container as claimed in claim 4, wherein: The elastic torsion mechanism is a torsion spring (17) installed between the lever switch (96) and the valve seat (95).
9. A novel beverage container as claimed in claim 4, wherein: The piston (94) is provided with a sealing ring (941) in sealing connection with the inner wall of the bottle cap (92), and the piston (94) is further connected with a sealing ring (942) in sealing connection with the inner wall of the bottle cap (92), so that the positive pressure chamber (920) forms a sealed space, and high-pressure gas is compressed in the positive pressure chamber (920), when the positive pressure chamber (920) is reduced, the gas inside is compressed to form a downward pressure acting on the piston (94).
10. A novel beverage container as claimed in claim 4, wherein: The positive pressure chamber (920) is provided with a second spring (18) to elastically press the piston (94) downward.