WO2021258703A1

WO2021258703A1 - Instant beverage bottle cap with high sealing performance

Info

Publication number: WO2021258703A1
Application number: PCT/CN2020/141390
Authority: WO
Inventors: 赵航
Original assignee: 贵州大瑭本草生物科技有限公司
Priority date: 2020-06-23
Filing date: 2021-01-14
Publication date: 2021-12-30
Also published as: CN111591584A

Abstract

An instant beverage bottle cap with a high sealing performance, which relates to the field of beverage containers. The cap comprises an outer cap and an inner cap, wherein the inner cap is internally provided with a flavoring powder chamber for holding a flavoring powder; the bottom of the flavoring powder chamber is a thin wall; and the flavoring powder chamber is provided with a piercing member in an embedded manner for piercing the thin wall. When in use, the thin wall is pierced by the piercing member, and the flavoring powder can then be released and mixed with water in the beverage bottle to form a beverage. The inner wall of the inner cap is provided with a first sealing groove and a second sealing groove, and the piercing member is provided with a first sealing edge. Before the thin wall is pierced, the first sealing edge is inserted into the first sealing groove, thereby achieving the effect of isolating same from the outside air and moisture so as to maintain the closed environment of the flavoring powder chamber, which facilitates storage of the flavoring powder. After the thin wall is pierced, the first sealing edge is inserted into the second sealing groove, in order to maintain the closed environment within the beverage bottle, prevent the beverage from leaking out, and prolong the shelf life of the beverage.

Description

A high-sealing instant beverage bottle cap

Related cross-references.

This application claims the priority of a Chinese invention patent application whose application date is June 23, 2020, the application number is 202010582702.0, and the invention title is "a high-sealing instant beverage bottle cap", the entire content of which is incorporated by reference In this application.

Technical field

The invention relates to the field of beverage containers, in particular to a high-tightness instant beverage bottle cap.

Background technique

Beverages are a type of product that people often come into contact with in daily life. Common beverages on the market include tea, coffee, juice, cola, Sprite, etc., with a wide variety and rich flavor, which can meet the different needs of various people and are well received by people. favorite. Most of the existing beverages on the market are pre-prepared and directly filled and can be consumed directly after opening the lid. However, in order to extend the shelf life of such beverages, preservatives and stabilizers are usually added, which is not only harmful to human health, but also affects the taste. Have a certain impact. In order to improve the above situation, people began to make beverages in dry powder form that is easier to store, and then mix them with water when drinking. How to store the dry powder and water separately and ensure the convenience of mixing is a problem that people pay attention to.

In the prior art, people have been able to store the dry powder in the bottle cap to achieve preliminary storage separately from the water in the bottle, but the sealing problem during storage and even mixing needs to be improved.

technical problem

The purpose of the present invention is to provide a high-tightness instant beverage bottle cap, which has a simple structure and is convenient to use. The dry powder and water can be stored separately and mixed immediately during use. At the same time, its tightness is better, which can ensure a closed environment during storage and mixing.

Technical solutions

The embodiment of the present invention is implemented as follows:

A high-tightness instant beverage bottle cap. The instant beverage bottle cap is used in conjunction with the beverage bottle. The instant beverage bottle cap includes an outer cap and an inner cap. The cap extends from the mouth of the beverage bottle into the inside of the beverage bottle; the inside of the inner cap is provided with a seasoning powder cavity for containing seasoning powder. The bottom of the seasoning powder cavity is thin-walled, and the seasoning powder cavity is slid and embedded in it. The piercing part can slide along the length of the seasoning powder cavity and pierce the thin wall; the inner wall of the inner cover is provided with a first sealing groove and a second sealing groove. The inner cover is arranged at intervals in the length direction, and the first sealing groove and the second sealing groove are all circled along the circumference of the inner cover; the surface of the sliding member is provided with a first sealing edge to cooperate with the first sealing groove or the second sealing groove , The first sealing edge surrounds a circle in the circumferential direction of the sliding member; the instant beverage bottle cap includes a first sealed state and a second sealed state. In the first sealed state, the first sealing edge is embedded in the first sealing groove to pierce the part Located in the seasoning powder cavity, in the second sealed state, the first sealing edge is inserted into the second sealing groove, and the piercing member pierces the thin wall and protrudes out of the seasoning powder cavity.

Further, in other preferred embodiments of the present invention, the seasoning powder cavity is cylindrical as a whole, the piercing member is cylindrical as a whole, and the inner diameter of the seasoning powder cavity is equivalent to the outer diameter of the piercing member.

Further, in other preferred embodiments of the present invention, the cross section of the first sealing edge is triangular, the base of the triangle is located on the surface of the piercing member, and the top corner of the triangle faces the inner cover; the first sealing groove and the second sealing The cross-sectional shape of the groove matches the first sealing edge.

Further, in other preferred embodiments of the present invention, the apex angle of the triangle is 60 to 90 degrees, and the apex angle of the triangle is rounded.

Further, in other preferred embodiments of the present invention, the first sealing rib is made of elastic material.

Further, in other preferred embodiments of the present invention, a sealing layer made of elastic material is provided in the first sealing groove and the second sealing groove.

Further, in other preferred embodiments of the present invention, the top of the seasoning powder cavity is provided with an opening, the piercing member has a first end away from the thin wall, and the first end extends from the opening to the outside of the inner cover. A detachable cover is provided at one end.

Further, in other preferred embodiments of the present invention, the cover body includes a plug portion extending into the first end portion, and a limiting portion connected with the plug portion, the outer diameter of the limiting portion is larger than the inner diameter of the seasoning powder cavity .

Further, in other preferred embodiments of the present invention, the outer surface of the plug portion is provided with a second sealing edge, the second sealing edge surrounds a circle along the circumference of the plug portion; The third sealing groove.

Further, in other preferred embodiments of the present invention, the piercing member further has a second end opposite to the first end, the second end is provided with a downwardly protruding piercing part, and the piercing part is located at the second end. One side of the two ends.

Beneficial effect

The beneficial effects of the embodiments of the present invention are:

The embodiment of the present invention provides a high-tightness instant beverage bottle cap, which includes an outer cover and an inner cover. The inner cover is provided with a seasoning powder cavity for containing seasoning powder. The bottom of the seasoning powder cavity is Thin-walled, the seasoning powder cavity is embedded with a piercing piece for piercing the thin-walled. When in use, the thin wall is pierced with the piercing member to release the seasoning powder and mix with the water in the beverage bottle to form a beverage. The inner wall of the inner cover is provided with a first sealing groove and a second sealing groove, and the piercing member is provided with a first sealing rib. Before the thin wall is pierced, the first sealing rib is inserted into the first sealing groove to isolate the outside air from The effect of water ingress maintains the airtight environment of the seasoning powder cavity, which is conducive to the preservation of the seasoning powder. After the thin wall is pierced again, the first sealing rib is inserted into the second sealing groove to maintain the airtight environment in the beverage bottle, prevent the beverage from leaking out, and extend the storage time of the beverage.

Description of the drawings

In order to explain the technical solutions of the embodiments of the present invention more clearly, the following will briefly introduce the drawings needed in the embodiments. It should be understood that the following drawings only show certain embodiments of the present invention, and therefore do not It should be regarded as a limitation of the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative work.

Figure 1 is a schematic diagram of a high-tightness instant beverage bottle cap provided by an embodiment of the present invention;

Figure 2 is a cross-sectional view of a highly-sealed instant beverage bottle cap in an unused state provided by an embodiment of the present invention;

Figure 3 is a cross-sectional view of a highly-sealed instant beverage bottle cap in a state after use according to an embodiment of the present invention;

4 is a schematic diagram of a highly-sealed instant beverage bottle cap provided by an embodiment of the present invention with the piercing part removed;

5 is a schematic diagram of a piercing member of a high-tightness instant beverage bottle cap provided by an embodiment of the present invention;

6 is an enlarged schematic diagram of a high-tightness instant beverage bottle cap at V provided by an embodiment of the present invention;

Fig. 7 is an enlarged schematic diagram of a highly-sealed instant beverage bottle cap at VI provided by an embodiment of the present invention.

Icon: 100-instant beverage bottle cap; 110-outer cap; 111-internal thread; 120-inner cap; 121-powder cavity; 1211-opening; 122-thin wall; 123-piercing part; 1231-first Sealing rib; 1232-first end; 1233-cover; 1233a-plug; 1233b-limiting portion; 1233c-second sealing rib; 1234-third sealing groove; 1235-second end; 1236-stab Broken part; 124-first sealing groove; 125-second sealing groove; 126-sealing layer; 130-protective cover.

Embodiments of the present invention

In order to make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention. Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise" and other directions or The positional relationship is based on the position or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the pointed device or element must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it cannot be understood as a limitation to the present invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, "plurality" means two or more than two, unless specifically defined otherwise.

In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. , Or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal communication of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above-mentioned terms in the present invention can be understood according to specific circumstances.

In the present invention, unless expressly stipulated and defined otherwise, the "above" or "below" of the first feature of the second feature may include direct contact between the first and second features, or may include the first and second features Not in direct contact but through other features between them. Moreover, "above", "above" and "above" the second feature of the first feature include the first feature being directly above and obliquely above the second feature, or merely indicating that the level of the first feature is higher than that of the second feature. The “below”, “below” and “below” of the second feature of the first feature include the first feature directly below and obliquely below the second feature, or it simply means that the level of the first feature is smaller than the second feature.

Example

This embodiment provides a high-tightness instant beverage bottle cap 100. As shown in FIG. 1, the instant beverage bottle cap 100 is used in conjunction with a beverage bottle. The instant beverage bottle cap 100 includes an outer cap 110 and an inner cap. 120. The outer cap 110 is used to sleeve the outside of the mouth of the beverage bottle, and the inner cap 120 extends from the mouth of the beverage bottle into the inside of the beverage bottle. The inner side of the outer cap 110 is provided with an internal thread 111, the outer side of the bottle mouth of the beverage bottle is provided with an external thread, and the outer cap 110 and the bottle mouth are threadedly connected.

As shown in Figures 2 and 3, the inner cover 120 is provided with a seasoning powder cavity 121 for containing seasoning powder. The bottom of the seasoning powder cavity 121 is a thin wall 122, and the seasoning powder cavity 121 is slid and embedded in it. The piercing member 123 can slide along the length of the seasoning powder cavity 121 and pierce the thin wall 122. During use, the user can choose not to pierce the thin wall 122 and drink the water in the bottle directly. You can also choose to use the piercing member 123 to pierce the thin wall 122 to mix the seasoning powder with water to form a beverage and drink it. The seasoning powder used here can be tea powder, cola powder, juice powder and the like. It is mixed with water to obtain corresponding drinks such as tea, cola, fruit juice and so on. Using this method of storing the seasoning powder and water separately can avoid the use of preservatives, and is more suitable for long-term storage. The obtained drink not only tastes better, but is also healthier for the human body.

Further, as shown in FIGS. 2 and 4, the inner wall of the inner cover 120 is provided with a first sealing groove 124 and a second sealing groove 125, and the first sealing groove 124 and the second sealing groove 125 are spaced along the length direction of the inner cover 120. The first sealing groove 124 and the second sealing groove 125 are all circled along the circumference of the inner cover 120; as shown in Figures 2 and 5, the surface of the sliding member is provided to seal with the first sealing groove 124 or the second sealing groove 124 or the second sealing groove. The groove 125 is matched with the first sealing rib 1231, and the first sealing rib 1231 surrounds a circle in the circumferential direction of the sliding member. The instant beverage bottle cap 100 includes a first sealed state and a second sealed state. In the first sealed state, the first sealing rib 1231 is inserted into the first sealing groove 124, and the piercing member 123 is located in the seasoning powder cavity 121. In the second sealed state, the first sealing rib 1231 is inserted into the second sealing groove 125, and the piercing member 123 pierces the thin wall 122 and extends out of the seasoning powder cavity 121. The instant beverage bottle cap 100 is in the first state before being used. At this time, relying on the close fit of the first sealing rib 1231 and the first sealing groove 124, it can effectively prevent external air and moisture from entering the seasoning powder. In the cavity 121, the seasoning powder is kept dry and pure, which is beneficial to the long-term preservation of the seasoning powder without deterioration. When the instant beverage bottle cap 100 presses the piercing member 123 to pierce the thin wall 122 to release the seasoning powder, the first sealing edge 1231 moves down with the piercing member 123, and finally gets stuck in the second sealing groove 125, reaching In the second state, relying on the close fit of the first sealing rib 1231 and the second sealing groove 125 at this time, the sealed environment in the bottle can be better maintained. On the one hand, it prevents outside air or impurities from entering the bottle, and extends the beverage Storage time; on the other hand, it fills the gap between the piercing member 123 and the inner cover 120, so that the beverage will not overflow under the condition of shaking, tilting, or inverting. In addition, the second sealing groove 125 can also play a role of secondary fixing to the piercing member 123, which can prevent the user from pressing the piercing member 123 excessively, causing the piercing member 123 to fall into the bottle.

Optionally, in this embodiment, the seasoning powder cavity 121 is cylindrical as a whole, the piercing member 123 is cylindrical as a whole, and the inner diameter of the seasoning powder cavity 121 is equivalent to the outer diameter of the piercing member 123, so as to be as small as possible. Facilitate the sliding of the two while reducing the gap between the two.

As shown in Figures 2 and 6, the cross-section of the first sealing edge 1231 is triangular, the base of the triangle is located on the surface of the piercing member 123, and the top corner of the triangle faces the inner cover 120; the first sealing groove 124 and the second sealing groove 124 The cross-sectional shape of the groove 125 matches the first sealing edge 1231. The triangular cross-section facilitates the sliding of the first sealing edge 1231 into/out of the first sealing groove 124 or the second sealing groove 125. The apex angle of the triangle is 60 to 90 degrees. If the apex angle is too small, the triangle will be relatively slender, resulting in poor strength of the first sealing edge 1231; if the apex angle is too large, the triangle will be relatively flat, leading to the first The embedded depth of the sealing rib 1231 is relatively shallow, and it is easy to slip out of the first sealing groove 124 or the second sealing groove 125, and the apex angle of 60-90 degrees can achieve a better balance between the strength of the sealing rib and the embedded depth . In addition, the top corners of the triangle are rounded. When the first sealing edge 1231 slides from the first sealing groove 124 to the second sealing groove 125, its top corner is in contact with the inner cover 120. The rounded corner design is not only more conducive to its sliding, but also can reduce the top angle. Wear.

Further, the first sealing rib 1231 is made of an elastic material, so that the first sealing rib 1231 can undergo greater deformation. It can be compressed during the sliding process from the first sealing groove 124 to the second sealing groove 125. State to ensure the smoothness of sliding. It can also be in an expanded state when it is locked into the first sealing groove 124 or the second sealing groove 125 to achieve better sealing performance. Similarly, the first sealing groove 124 and the second sealing groove 125 are provided with a sealing layer 126 made of elastic material. The sealing layer 126 can make the first sealing rib 1231 and the first sealing groove 124 or the second sealing groove 125 fit more closely. It is worth noting that in Figures 2 and 5 of this embodiment, for ease of labeling, the first sealing groove 124 and the first sealing rib 1231 are drawn in a separated state, and during use, the first sealing groove 124 , The second sealing groove 125 and the first sealing edge 1231 are actually in close contact, so as to achieve a sealing effect.

The top of the seasoning powder cavity 121 is provided with an opening 1211, the piercing member 123 has a first end 1232 away from the thin wall 122, the first end 1232 extends from the opening 1211 to the outside of the inner cover 120, and the first end 1232 is provided There is a cover 1233 that can be detachably connected. Such an arrangement is mainly to facilitate the production process of the instant beverage bottle cap 100. During production, the seasoning powder is loaded into the bottom of the seasoning powder cavity 121 from the middle of the cylindrical piercing member 123, and then the cover 1233 is covered to realize the loading of the seasoning powder. Further, the cover body 1233 includes a plug portion 1233 a extending into the first end portion 1232 and a limiting portion 1233 b connected with the plug portion 1233 a. The outer diameter of the limiting portion 1233 b is larger than the inner diameter of the seasoning powder cavity 121. The limiting portion 1233b can further prevent the piercing member 123 from falling into the bottle as a whole, so as to avoid contamination of the beverage. It is worth noting that the distance between the limiting portion 1233 b and the upper edge of the inner cover 120 should be greater than the distance between the first sealing groove 124 and the second sealing groove 125. When the piercing member 123 is pressed down, the first sealing edge 1231 is first locked into the second sealing groove 125 to limit the continuous downward movement of the piercing member 123. This is the most ideal state, and the piercing member 123 can be fixed. , It can also ensure the tightness of the bottle. However, under special circumstances or misoperation, if the downward pressure is too large, the piercing member 123 will continue to move downward, and the first sealing rib 1231 will escape from the second sealing groove 125, and then the stop 1233b will start again. To the second level of restriction, in this case, although the piercing member 123 is prevented from falling into the bottle to contaminate the beverage, the inside of the bottle may lose its airtightness.

Further, as shown in Figures 2 and 7, the outer surface of the plug portion 1233a is provided with a second sealing rib 1233c, and the second sealing rib 1233c surrounds the peripheral direction of the plug portion 1233a; The third sealing groove 1234 is matched with the two sealing ribs 1233c. The arrangement of the second sealing rib 1233c and the third sealing groove 1234 can make the cover body 1233 and the piercing member 123 be connected stably, and block the gap between the cover body 1233 and the piercing member 123, avoiding external air and moisture. Enter the seasoning powder cavity 121.

The piercing member 123 also has a second end 1235 opposite to the first end 1232, and the second end 1235 is provided with a piercing part 1236 protruding downward. When in use, press the first end 1232 of the piercing member 123 into the seasoning powder cavity 121, and the piercing part 1236 at the lower end of the piercing member 123 can pierce the thin wall 122 and release the seasoning powder into the bottle Beverage is formed inside. The piercing part 1236 is located on the side of the second end 1235. During the pressing down of the piercing part 123, the piercing part 123 will not completely cut off the connection between the thin wall 122 and the inner cover 120, which can avoid The thin wall 122 falls into the bottle causing contamination. The piercing part 1236 has a sawtooth shape. For example, in this embodiment, the piercing part 1236 has three tines. The three tines increase the force point of the piercing part 1236 on the thin wall 122, making the thin wall 122 easier to be Pierce.

Optionally, a protective cover 130 is sheathed outside the first end 1232, and the protective cover 130 is connected to the outer cover 110. The protective cover 130 can support and protect the piercing member 123 inside. Through the arrangement of the protective cover 130, the user can press the piercing member 123 only when the protective cover 130 is removed. Therefore, it can be avoided that the piercing member 123 is accidentally squeezed during transportation and storage, which causes the thin wall 122 to be pierced.

In summary, the embodiment of the present invention provides a high-tightness instant beverage bottle cap 100, which includes an outer cover 110 and an inner cover 120. The inner cover 120 is provided with seasoning powder for containing seasoning powder. In the cavity 121, the bottom of the seasoning powder cavity 121 is a thin wall 122, and a piercing member 123 for piercing the thin wall 122 is embedded in the seasoning powder cavity 121. When in use, the thin wall 122 is pierced with the piercing member 123, and the flavoring powder is released and mixed with the water in the beverage bottle to form a beverage. The inner wall of the inner cover 120 is provided with a first sealing groove 124 and a second sealing groove 125, and the piercing member 123 is provided with a first sealing rib 1231. Before the thin wall 122 is pierced, the first sealing rib 1231 is inserted into the first sealing groove 124. It has the effect of isolating outside air and moisture from entering, and maintaining the airtight environment of the seasoning powder cavity 121, which is conducive to the preservation of the seasoning powder. After the thin wall 122 is pierced again, the first sealing rib 1231 is inserted into the second sealing groove 125 to maintain the airtight environment in the beverage bottle, prevent the beverage from leaking out, and prolong the storage time of the beverage.

The above descriptions are only preferred embodiments of the present invention and are not used to limit the present invention. For those skilled in the art, the present invention can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Industrial applicability

Claims

A high-tightness instant beverage bottle cap, characterized in that the instant beverage bottle cap is used in conjunction with a beverage bottle, the instant beverage bottle cap includes an outer cap and an inner cap, and the outer cap is used for sleeves. Set on the outside of the mouth of the beverage bottle, the inner cap extends into the inside of the beverage bottle from the mouth of the beverage bottle; the inside of the inner cap is provided with a seasoning powder cavity for containing seasoning powder , The bottom of the seasoning powder cavity is thin-walled, and a piercing piece is slidably embedded in the seasoning powder cavity, and the piercing piece can slide along the length of the seasoning powder cavity and pierce the entire cavity. The thin wall; the inner wall of the inner cover is provided with a first sealing groove and a second sealing groove, the first sealing groove, the second sealing groove are arranged at intervals along the length direction of the inner cover, the first The sealing groove and the second sealing groove are all circled along the circumference of the inner cover; the surface of the sliding member is provided with a first sealing rib for matching with the first sealing groove or the second sealing groove , The first sealing edge surrounds a circle in the circumferential direction of the sliding member; the instant beverage bottle cap includes a first sealed state and a second sealed state, and in the first sealed state, the first sealing edge is embedded In the first sealing groove, the piercing member is located in the seasoning powder cavity, and in the second sealed state, the first sealing rib is embedded in the second sealing groove, and the piercing member pierces Break the thin wall and extend out of the seasoning powder cavity.
The high-tightness instant beverage bottle cap of claim 1, wherein the flavoring powder cavity is cylindrical as a whole, the piercing member is cylindrical as a whole, and the flavoring powder cavity is The inner diameter is equivalent to the outer diameter of the piercing member.
The high-tightness instant beverage bottle cap according to claim 2, wherein the cross-section of the first sealing edge is a triangle, the base of the triangle is located on the surface of the piercing member, and the The top angle of the triangle faces the inner cover; the cross-sectional shapes of the first sealing groove and the second sealing groove match the first sealing edge.
The high-tightness instant beverage bottle cap according to claim 3, wherein the apex angle of the triangle is 60 to 90 degrees, and the apex angle of the triangle is rounded.
The high-tightness instant beverage bottle cap according to claim 4, wherein the first sealing rib is made of an elastic material.
The high-tightness instant beverage bottle cap according to claim 5, wherein the first sealing groove and the second sealing groove are provided with a sealing layer made of elastic material.
The high-tightness instant beverage bottle cap of claim 6, wherein the top of the seasoning powder cavity is provided with an opening, and the piercing member has a first end away from the thin wall, The first end portion protrudes from the opening to the outside of the inner cover, and the first end portion is provided with a detachable cover body.
The high-tightness instant beverage bottle cap according to claim 7, wherein the cap body includes a plug portion extending into the first end portion, and a limit portion connected with the plug portion , The outer diameter of the limiting part is larger than the inner diameter of the seasoning powder cavity.
The high-tightness instant beverage bottle cap according to claim 8, wherein the outer surface of the plug portion is provided with a second sealing edge, and the second sealing edge surrounds the plug portion in the circumferential direction. One week; the inner wall of the piercing member has a third sealing groove that cooperates with the second sealing edge.
The high-tightness instant beverage bottle cap according to claim 9, wherein the piercing member further has a second end opposite to the first end, and the second end is provided with A downwardly protruding piercing part, the piercing part being located on one side of the second end part.