CN216003701U - Bottle cap and beverage bottle with same - Google Patents

Abstract

The utility model provides a bottle cap and a beverage bottle with the same, wherein the bottle cap comprises a bottle cap body, the bottle cap body is provided with an accommodating cavity, the bottle cap body is provided with a discharge hole communicated with the accommodating cavity, and the bottle cap body is used for being connected with a bottle body; the bottom cover is arranged at the discharge port and connected with the bottle cap body, the bottom cover is used for sealing the accommodating cavity, and the bottom cover has a sealing state for sealing the discharge port and an unsealing state for opening the discharge port; the air nozzle is arranged on the bottle cap body and communicated with the accommodating cavity; separate the fender portion, set up on the bottle lid body, and be located the below of bottom, separate to have the interval between fender portion and the bottom, separate fender portion and can block the bottom, separate and seted up the circulation structure on the fender portion, the circulation structure is used for making discharge gate and bottle intercommunication. Through the technical scheme that this application provided, can solve among the prior art problem that the bottom falls into in the bottle.

Description

Bottle cap and beverage bottle with same

Technical Field

The utility model relates to the technical field of beverage packaging, in particular to a bottle cap and a beverage bottle with the same.

Background

In the field of beverage packaging, a certain amount of preservative is usually added to the beverage to prolong its shelf life. In order to reduce the consumption of the preservative, the solvent and the solute are separately packaged in the prior art, so that the chemical properties of the solvent and the solute are kept in a stable state, the long shelf life of the beverage can be ensured, the consumption of the preservative can be reduced, and the taste of the beverage is improved. Therefore, more and more beverages are packaged in a way that the solvent and the solute are separately packaged, and the solvent and the solute are mixed as required before being drunk by a drinker.

Generally, a beverage bottle includes a bottle body for filling a solvent and a bottle cap for containing a solute. The bottle cap comprises a bottle cap body and a bottom cap which are mutually independent, the bottle cap body is provided with an accommodating cavity, the bottle cap body is further provided with a discharge hole communicated with the accommodating cavity, the bottom cap is arranged at the discharge hole and seals the accommodating cavity, and the bottom cap and the discharge hole are in a clamping state and a separation state which are relatively arranged. When the beverage needs to be drunk, a drinker opens the bottle cap body, the bottom cap falls into the bottle body, and the solute and the solvent are mixed to form the beverage. However, by adopting the scheme, when the bottle cap is opened, the bottom cap can directly fall into the bottle body, and the drinking of consumers is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a bottle cap and a beverage bottle with the same, and aims to solve the problem that a bottom cover in the prior art is easy to directly fall into a bottle body.

According to an aspect of the present invention, there is provided a bottle cap including a cap body having a receiving chamber, the cap body having a discharge port communicating with the receiving chamber, the cap body being adapted to be coupled with a bottle body; the bottom cover is arranged at the discharge port and connected with the bottle cap body, the bottom cover is used for sealing the accommodating cavity, and the bottom cover has a sealing state for sealing the discharge port and an unsealing state for opening the discharge port; the air nozzle is arranged on the bottle cap body and communicated with the accommodating cavity; separate the fender portion, set up on the bottle lid body, and be located the below of bottom, separate to have the interval between fender portion and the bottom, separate fender portion and can block the bottom, separate and seted up the circulation structure on the fender portion, the circulation structure is used for making discharge gate and bottle intercommunication.

Further, the blocking portion includes: the baffle is arranged below the bottom cover and has a gap with the bottom cover; the connecting piece is provided with a plurality ofly, and a plurality of connecting piece rings form and set up in the periphery of bottom, and the one end and this body coupling of bottle lid of connecting piece, the other end and the baffle of connecting piece are connected, form the circulation structure between two adjacent connecting pieces.

Further, separate the fender portion and keep off the net including separating, separate and keep off the screen panel and establish in the periphery of bottom to with this body coupling of bottle lid, separate the net formation circulation structure that keeps off the net.

Further, separate to keep off the net and be open-topped tuck net form, separate fender portion still includes the snap ring, separate to keep off the net and pass through snap ring fixed connection on the lateral wall of bottle lid body.

Further, the bottle lid body includes the end cover that sets gradually along the axial and holds the pipe, holds the one end of managing and forms with end cover sealing connection and hold the cavity, holds the pipe and keeps away from the one end of end cover for the discharge gate, the bottom with hold a pipe joint, the end cover is used for being connected with the bottle, is provided with drive structure on the bottle lid body, drive structure can drive the bottom with hold a pipe separation.

Further, the bottle lid body still includes the upper shield, the upper shield is used for being connected with the bottleneck of bottle, be provided with the butt ring in the upper shield, the butt ring along the axial extension of upper shield and with upper shield fixed connection, the interval has between the outer peripheral face of butt ring and the inner peripheral surface of upper shield, the bottleneck that the interval supplied the bottle stretches into, the discharge gate passes the butt ring and with bottom joint, the internal diameter of butt ring bottom is less than the external diameter of bottom, the bottom of butt ring can be spacing with the bottom butt, the butt ring becomes drive structure, the external screw thread has been seted up to the global on the top of butt ring, the internal thread with the external screw thread adaptation is seted up to the end cover.

Further, the driving structure includes a pressing portion provided on the end cap, the pressing portion extending in an axial direction of the end cap, the pressing portion having an initial state of being separated from the bottom cap and a pressed state of pressing the bottom cap and separating the bottom cap from the accommodating tube.

Furthermore, one side of the bottom cover close to the end cover is provided with a hoop clamping groove, the bottom end of the accommodating pipe extends outwards in the circumferential direction to form a hoop clamping pin, and the hoop clamping pin is clamped and matched with the hoop clamping groove.

Furthermore, the bottle cap also comprises a locking structure, the locking structure comprises a locking ring, the locking ring is annularly arranged between the sleeve cap and the end cover and is fixedly connected with the sleeve cap, and a locking bulge is arranged on the locking ring; and the locking groove is formed in the end cover, and the locking protrusion is embedded in the locking groove.

According to another aspect of the present invention, there is provided a beverage bottle comprising a bottle body and the above-mentioned bottle cap, wherein the bottle cap is connected to a mouth of the bottle body.

By applying the technical scheme of the utility model, when drinking drinks, the bottom cover is separated from the bottle cap body, the solute falls down along with the bottom cover, and falls into the solvent, and the bottom cover falls onto the blocking part. Compare with traditional technical scheme, the bottom can not drop to in the bottle, so can promote the user and drink experience to can prevent that the bottom from getting into in the user's mouth.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

fig. 1 is a partial structural schematic view of a bottle cap according to an embodiment of the present invention;

fig. 2 illustrates a cross-sectional view of a bottle cap according to an embodiment of the present invention;

fig. 3 illustrates a partial cross-sectional exploded view of a bottle cap according to an embodiment of the present invention;

fig. 4 is a schematic view illustrating another view of a partial structure of a bottle cap according to an embodiment of the present invention;

FIG. 5 shows an enlarged view of a portion of the structure at A of FIG. 1;

fig. 6 illustrates a sectional view of a bottle cap according to a second embodiment of the present invention;

fig. 7 illustrates a partial cross-sectional exploded view of a bottle cap according to a second embodiment of the present invention;

fig. 8 illustrates a cross-sectional view of a bottle cap according to a third embodiment of the present invention;

fig. 9 shows a schematic structural view of a beverage bottle provided by the fourth embodiment of the present invention.

Wherein the figures include the following reference numerals:

10. a bottle cap body; 101. a housing chamber; 102. a discharge port;

11. an end cap; 111. a pressing part;

12. accommodating the tube; 121. circumferential clamping feet;

13. covering; 131. a butting ring; 1311. a threaded ring; 1312. a limiting ring;

14. a connecting ring;

20. a bottom cover; 201. a circumferential clamping groove; 202. sealing the protrusion; 203. reinforcing ribs;

30. an air tap;

40. a barrier portion; 41. a baffle plate; 42. a connecting member; 43. a barrier net; 44. a snap ring;

50. a locking structure; 51. locking a ring; 511. a locking protrusion; 52. locking the groove;

60. and (4) a bottle body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 2 and fig. 9, a bottle cap according to an embodiment of the present invention includes a bottle cap body 10, a bottom cap 20, a gas nipple 30 and a barrier 40, wherein the bottle cap body 10 has a receiving chamber 101, the bottle cap body 10 has a discharge port 102 communicating with the receiving chamber 101, and the bottle cap body 10 is configured to be connected to a bottle body 60; the bottom cover 20 is arranged at the discharge port 102 and connected with the bottle cap body 10, the bottom cover 20 is used for sealing the accommodating chamber 101, and the bottom cover 20 has a sealing state for sealing the discharge port 102 and an unsealing state for opening the discharge port 102; the air nozzle 30 is arranged on the bottle cap body 10 and is communicated with the accommodating chamber 101; the blocking part 40 is arranged on the bottle cap body 10 and located below the bottom cap 20, a gap is formed between the blocking part 40 and the bottom cap 20, the blocking part 40 can block the bottom cap 20, and a circulation structure is arranged on the blocking part 40 and used for communicating the discharge hole 102 with the bottle body 60.

By applying the technical scheme of the utility model, when the beverage is packaged, the solute is stored in the accommodating chamber 101, the accommodating chamber 101 is sealed through the bottom cover 20, then, air in the accommodating chamber 101 is pumped out through the air tap 30, inert gas is injected into the accommodating chamber 101, and finally, the bottle cap body 10 is hermetically connected with the bottle body 60. When drinking, make bottom 20 and bottle lid body 10 separation, the solute drops down along with bottom 20, and the solute falls into the solvent, and bottom 20 falls on baffle 40. Compared with the traditional technical scheme, the bottom cover 20 can not fall into the bottle body 60, so that when a drinker drinks the beverage, the bottom cover 20 can not enter the mouth of the drinker along with the beverage, and the safety is high. In addition, the inert gas is injected into the accommodating chamber 101 through the gas nozzle 30, so that the growth of bacteria can be inhibited, and the shelf life of the beverage can be prolonged.

Specifically, the barrier 40 includes a barrier 41 and a connector 42, wherein the barrier 41 is disposed under the bottom cover 20 with a space therebetween; the connecting members 42 are provided in plurality, the connecting members 42 are annularly arranged on the periphery of the bottom cap 20, one end of each connecting member 42 is connected with the bottle cap body 10, the other end of each connecting member 42 is connected with the baffle plate 41, and a flow structure is formed between every two adjacent connecting members 42. Specifically, the baffle 41 is in an annular sheet shape and is coaxially arranged with the bottom cap 20, the baffle 41 is in a grid structure, the baffle 41 and the connecting member 42 are integrally formed, and in an actual packaging operation, after the bottom cap 20 is sealed, the connecting member 42 is connected with the bottle cap body 10. Above-mentioned scheme can carry out effectual the blockking to bottom 20 to simple structure, the convenience is assembled with bottle lid body 10.

Specifically, bottle lid body 10 includes end cover 11 and the holding pipe 12 that sets gradually along the axial, holds the one end of pipe 12 and forms holding chamber 101 with end cover 11 sealing connection, holds the one end that pipe 12 kept away from end cover 11 and be discharge gate 102, bottom 20 with hold pipe 12 joint, end cover 11 is used for being connected with bottle 60, is provided with the drive structure on the bottle lid body 10, the drive structure can drive bottom 20 and hold the separation of pipe 12. When assembling the beverage bottle, the accommodating tube 12 is inserted into the bottle body 60, and the end cap 11 is connected to the mouth of the bottle body 60. When drinking, the bottom cap 20 is separated from the accommodating tube 12 by the driving structure, and the solute drops down with the bottom cap 20. The setting of drive structure can avoid the staff to touch bottom 20, guarantees the health of bottom 20.

Further, bottle lid body 10 still includes upper cover 13, upper cover 13 is used for being connected with the bottleneck of bottle 60, be provided with butt ring 131 in the upper cover 13, butt ring 131 along the axial extension of upper cover 13 and with upper cover 13 fixed connection, the interval has between the outer peripheral face of butt ring 131 and the inner peripheral surface of upper cover 13, the interval supplies the bottleneck of bottle 60 to stretch into, discharge gate 102 passes butt ring 131 and with bottom 20 joint, the internal diameter of the bottom of butt ring 131 is less than the external diameter of bottom 20, the bottom of butt ring 131 can be spacing with bottom 20 butt, butt ring 131 forms drive structure, the external screw thread has been seted up to the peripheral face on the top of butt ring 131, end cover 11 offers the internal thread with the external screw thread adaptation.

Specifically, the cap 13 is sleeved on the bottle mouth of the bottle body 60 and is in threaded connection with the bottle body 60. The abutting ring 131 is arranged coaxially with the cover 13, the top end of the cover 13 is provided with a connecting ring 14 coaxial with the cover 13, and the connecting ring 14 is sleeved on the periphery of the accommodating tube 12. The abutting ring 131 includes a threaded ring 1311 and a stopper ring 1312, wherein the stopper ring 1312 is located below the connecting ring 14 and is fixedly connected to the connecting ring 14, the bottom end of the stopper ring 1312 protrudes out of the cap 13, and a space for the bottle opening of the bottle body 60 to extend into is formed between the outer circumferential surface of the stopper ring 1312 and the inner circumferential surface of the cap 13. The screw ring 1311 is located above the connection ring 14 and is fixedly connected to the connection ring 14, the outer diameter of the screw ring 1311 is smaller than the outer diameter of the cap 13, external threads are formed on the circumferential surface of the screw ring 1311, and a gap is formed between the inner circumferential surface of the cap 11 and the outer circumferential surface of the housing tube 12, into which the screw ring 1311 is inserted. During specific assembly, the bottom end of the accommodating tube 12 extends into the abutting ring 131, then the end cover 11 is screwed until the discharge hole 102 protrudes out of the limiting ring 1312, then the solute is stored in the accommodating cavity 101, and the bottom cover 20 is clamped with the accommodating tube 12. When drinking, the end cover 11 is screwed, the end cover 11 moves upwards until the bottom cover 20 abuts against the limit ring 1312, and the end cover 11 continues to move upwards until the bottom cover 20 is separated from the accommodating tube 12. This structure is simple and facilitates the assembly and separation of the bottom cover 20 with and from the accommodating tube 12.

Specifically, in the present embodiment, four connecting members 42 are provided, the four connecting members 42 are annularly and intermittently disposed on the outer periphery of the bottom end of the position-limiting ring 1312, and the top end of the connecting member 42 is fixedly connected to the outer periphery of the position-limiting ring 1312. After the solute is mixed with the solvent, the cap 13 is screwed to separate the cap 13 from the bottle 60, and then the cap 13 is removed, at which time the barrier 40 and the bottom cap 20 are separated from the bottle 60 along with the cap 13. With the arrangement, the bottom cover 20 can be taken out without contacting the bottom cover 20, and the sanitation of the beverage is ensured.

Specifically, air cock 30 sets up on end cover 11 to the structure of air cock 30 can be the same with the air cock structure on the basketball, also can adopt the higher rubber block of density to make certainly, and the middle part of rubber block has the pore, can realize self sealedly under its elastic action. The rubber block may be fixed to the end cap 11 by means of adhesive, screw connection, or the like. The gas exchange inside the containment chamber 101 is achieved by means of the needle cylinder penetrating into the fine hole, thus evacuating or inflating the containment chamber 101.

Referring to fig. 3, further, one side of the bottom cover 20 close to the end cover 11 is provided with a circumferential clamping groove 201, the bottom end of the accommodating tube 12 extends circumferentially outwards to form a circumferential clamping pin 121, and the circumferential clamping pin 121 is in clamping fit with the circumferential clamping groove 201. So set up, can guarantee bottom 20 and hold stability and the leakproofness that pipe 12 is connected, guarantee to hold the stability of inert gas in the chamber 101, and then can prolong the shelf life of solute. In addition, this structure facilitates the assembly and disassembly of the bottom cap 20 with the accommodating tube 12.

The top surface of bottom cap 20 is provided with a sealing projection 202, and this sealing projection 202 is embedded in the accommodating tube 12, in close abutment with the inner wall of accommodating tube 12. So set up, can further guarantee the stability of connection and the leakproofness between bottom 20 and the holding pipe 12, and then can guarantee the shelf life of solute.

Referring to fig. 3 and 4, the bottom cover 20 is provided with four ribs 203 on a side facing away from the sealing protrusion 202, the four ribs 203 are annularly spaced, the ribs 203 extend in a radial direction of the bottom cover 20, and the four ribs 203 meet at an axial center of the bottom cover 20. So set up, can improve bottom 20's compressive property, guarantee bottom 20's structural strength.

Referring to fig. 1 and 5, the bottle cap further includes a locking structure 50, the locking structure 50 includes a locking ring 51 and a locking groove 52, the locking ring 51 is annularly disposed between the cap 13 and the end cap 11 and is fixedly connected to the cap 13, and a locking protrusion 511 is disposed on the locking ring 51; the locking recess 52 is formed on the end cap 11, and the locking protrusion 511 is fitted into the locking recess 52. Four locking grooves 52 are arranged at intervals along the circumferential direction of the end cover 11, and one side of each locking groove 52 is inclined, so that the stability of connection between the end cover 11 and the sleeve cover 13 can be further ensured.

Referring to fig. 6, 7 and 9, a bottle cap according to a second embodiment of the present invention is different from the first embodiment in that a space for inserting a bottle opening of a bottle body 60 is formed on an inner circumferential surface of an end cap 11 and an outer circumferential surface of a container tube 12, the inner circumferential surface of the end cap 11 is threaded, and the end cap 11 is threaded to the bottle opening of the bottle body 60. The driving structure includes a pressing part 111, the pressing part 111 being provided on the end cap 11, the pressing part 111 extending in an axial direction of the end cap 11, the pressing part 111 having an initial state of being separated from the bottom cap 20 and a pressed state of pressing the bottom cap 20 and separating the bottom cap 20 from the accommodating tube 12. Specifically, the pressing portion 111 may be disposed inside the accommodating tube 12 or outside the accommodating tube 12, and in the present embodiment, the pressing portion 111 is disposed inside the accommodating tube 12, and the pressing portion 111 is disposed coaxially with the accommodating tube 12, and the air faucet 30 is disposed avoiding the pressing portion 111. Also, four connecting pieces 42 are annularly provided on the outer periphery of the accommodating tube 12, and the connecting pieces 42 are fixedly connected to the outer peripheral surface of the accommodating tube 12. When it is desired to drink the beverage, a certain pressure is applied to the cap 11, and the bottom end of the pressing portion 111 is brought into contact with the lower cap 20 by the pressure, and drives the lower cap 20 to be separated from the accommodating tube 12, and then the cap 11 is opened, and the lower cap 20 is separated from the bottle body 60 along with the shutter 41. So set up, can make things convenient for bottom 20 and hold the separation of pipe 12, and avoid the staff to touch bottom 20, sanitary and convenient.

Referring to fig. 8, a third embodiment of the present invention provides a bottle cap, which is different from the first embodiment in that a barrier 40 includes a barrier net 43 and a snap ring 44, the barrier net 43 has a net-bag shape with an open top, the barrier net 43 covers the outer circumference of the bottom cap 20, and the barrier net 43 is fixedly connected to the outer sidewall of the bottle cap body 10 through the snap ring 44. Specifically, the barrier net 43 is fixed to the outer side wall of the retainer ring 1312 by a snap ring 44. The scheme has a simple structure, and the blocking net 43 and the limit ring 1312 are conveniently fixed through the clamping ring 44.

Referring to fig. 9, a beverage bottle according to a fourth embodiment of the present invention includes a bottle body 60 and the above-mentioned bottle cap, wherein the bottle cap is connected to a mouth of the bottle body 60.

Through the bottle lid that this application provided, can avoid bottom 20 to fall into in the bottle 60, and under the condition that does not need the hand touch to bump bottom 20, take out bottom 20, and then can avoid drinking beverage, bottom 20 is along with in the beverage inlet port, safety and health.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A bottle cap, characterized in that it comprises:

the bottle cap comprises a bottle cap body (10), wherein the bottle cap body (10) is provided with a containing cavity (101), the bottle cap body (10) is provided with a discharge hole (102) communicated with the containing cavity (101), and the bottle cap body (10) is used for being connected with a bottle body (60);

a bottom cover (20) disposed at the discharge port (102) and connected to the bottle cap body (10), wherein the bottom cover (20) is used for sealing the accommodating chamber (101), and the bottom cover (20) has a sealed state for sealing the discharge port (102) and an unsealed state for opening the discharge port (102);

the air nozzle (30) is arranged on the bottle cap body (10) and is communicated with the containing cavity (101);

the blocking part (40) is arranged on the bottle cap body (10) and located below the bottom cover (20), a gap is formed between the blocking part (40) and the bottom cover (20), the blocking part (40) can block the bottom cover (20), a circulation structure is arranged on the blocking part (40), and the circulation structure is used for communicating the discharge hole (102) with the bottle body (60).

2. The bottle cap according to claim 1, wherein the barrier (40) comprises:

a baffle plate (41) disposed below the bottom cover (20) with a space therebetween;

the connecting piece (42) is provided with a plurality of connecting pieces (42) which are annularly arranged on the periphery of the bottom cover (20), one end of each connecting piece (42) is connected with the bottle cap body (10), the other end of each connecting piece (42) is connected with the baffle (41), and the flow structure is formed between every two adjacent connecting pieces (42).

3. The bottle cap according to claim 1, wherein the barrier (40) comprises a barrier net (43), the barrier net (43) is covered on the outer circumference of the bottom cap (20) and connected with the bottle cap body (10), and the mesh of the barrier net (43) forms the flow structure.

4. The bottle cap according to claim 3, wherein the barrier net (43) is an open-topped net pocket shape, the barrier portion (40) further comprises a snap ring (44), and the barrier net (43) is fixedly connected to an outer sidewall of the bottle cap body (10) by the snap ring (44).

5. The bottle cap according to claim 1, wherein the bottle cap body (10) comprises an end cap (11) and a containing tube (12) which are sequentially arranged along an axial direction, one end of the containing tube (12) is hermetically connected with the end cap (11) to form the containing chamber (101), one end of the containing tube (12) far away from the end cap (11) is the discharge hole (102), the bottom cap (20) is clamped with the containing tube (12), the end cap (11) is used for being connected with the bottle body (60), and a driving structure is arranged on the bottle cap body (10) and can drive the bottom cap (20) to be separated from the containing tube (12).

6. The bottle cap according to claim 5, wherein the bottle cap body (10) further comprises a cover (13), the cover (13) is used for being connected with the bottle mouth of the bottle body (60), a butt ring (131) is arranged in the cover (13), the butt ring (131) extends along the axial direction of the cover (13) and is fixedly connected with the cover (13), a space is formed between the outer circumferential surface of the butt ring (131) and the inner circumferential surface of the cover (13), the space is used for the bottle mouth of the bottle body (60) to extend into, the discharge port (102) penetrates through the butt ring (131) and is clamped with the bottom cap (20), the inner diameter of the bottom end of the butt ring (131) is smaller than the outer diameter of the bottom cap (20), the bottom end of the butt ring (131) can be abutted with the bottom cap (20) for limiting, and the butt ring (131) forms the driving structure, the circumferential surface of the top end of the abutting ring (131) is provided with external threads, and the end cover (11) is provided with internal threads matched with the external threads.

7. The bottle cap according to claim 5, wherein the driving structure comprises a pressing part (111), the pressing part (111) being provided on the end cap (11), the pressing part (111) extending in an axial direction of the end cap (11), the pressing part (111) having an initial state of being separated from the bottom cap (20) and a pressed state of pressing the bottom cap (20) and separating the bottom cap (20) from the accommodating tube (12).

8. The bottle cap according to claim 6 or 7, wherein a circumferential clamping groove (201) is formed in one side of the bottom cap (20) close to the end cap (11), the bottom end of the accommodating tube (12) extends outwards in the circumferential direction to form a circumferential clamping leg (121), and the circumferential clamping leg (121) is in clamping fit with the circumferential clamping groove (201).

9. The closure as claimed in claim 6, further comprising a locking structure (50), the locking structure (50) comprising:

the locking ring (51) is annularly arranged between the cover cap (13) and the end cover (11) and is fixedly connected with the cover cap (13), and a locking protrusion (511) is arranged on the locking ring (51);

and the locking groove (52) is formed in the end cover (11), and the locking protrusion (511) is embedded in the locking groove (52).

10. A beverage bottle, characterized in that it comprises a body (60) and a cap according to any one of claims 1 to 9, said cap being connected to the mouth of said body (60).

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