Bottle cap assembly and container

Abstract

The utility model relates to a bottle cap assembly and a container, the bottle cap assembly comprises an inner plug piece, an inner cap piece, an inner sleeve piece and an outer piece, the inner plug piece is arranged on a first liquid flow opening of the inner sleeve piece, the inner cap piece is plugged on a second liquid flow opening of the inner sleeve piece, the inner sleeve piece comprises a first inner sleeve and a second inner sleeve which are made of different materials, and the outer piece is arranged in the first inner sleeve; the second inner sleeve is arranged on the peripheral face of the first inner sleeve in a surrounding mode, and the outer part is arranged on the inner cover part and the second inner sleeve in a sleeving mode and attached to the peripheral face of the second inner sleeve. According to the bottle cap assembly and the container, the first inner sleeve and the second inner sleeve are made of different materials, so that the first inner sleeve connected with the inner plug piece and the inner cap piece can be made of materials which do not affect contact with liquid, and the safety requirement is met; and the second inner sleeve connected with the outer part can be made of a material which is excellent in temperature resistance and impact resistance and is prohibited from being in contact with liquid, so that the inner sleeve part is not easy to pull out, and the bottle body or the outer part can be damaged when the inner sleeve part is forcibly pulled out, and the aim of preventing counterfeiting is fulfilled.

Description

Technical Field

[0001] This application relates to the field of container packaging technology, and in particular to bottle cap assemblies and containers. Background Technology

[0002] During the transportation of liquids, special containers are typically used to hold them and seal them with bottle caps to ensure their safety and integrity. For liquid products such as alcoholic beverages, the bottle caps widely used in the market are mainly composed of plastic parts such as inner caps and inner sleeves.

[0003] However, due to the material properties of plastic parts, they have defects such as being unable to withstand high temperatures and having insufficient strength. This makes the mating structure between the inner and outer plastic parts prone to detachment under high temperature environments. This leads to counterfeit phenomena such as "high temperature cap removal" and "bottom cap removal" on bottle caps. This not only damages the product's sealing performance but also seriously disrupts market order and poses potential risks to consumers. Utility Model Content

[0004] Therefore, it is necessary to provide a bottle cap component and container to address the problem that bottle caps are prone to counterfeiting and affect their performance.

[0005] According to one aspect of this application, a bottle cap assembly is provided for sealing the opening of a bottle body, including an inner stopper, an inner cap, an inner sleeve, and an outer part;

[0006] The inner sleeve has a channel for liquid flow, the channel having a first liquid outlet and a second liquid outlet arranged opposite to each other along its own axial direction;

[0007] The inner plug is disposed on the first liquid outlet and is configured to be press-fitted and sealed inside the bottle mouth by the inner sleeve, and the inner plug connects the bottle mouth and the channel;

[0008] The inner cover is sealed onto the second liquid outlet and connected to the inner sleeve;

[0009] The inner sleeve includes a first inner sleeve and a second inner sleeve made of different materials. The second inner sleeve is arranged around the outer peripheral surface of the first inner sleeve and has a claw portion that can engage with the bottle body. The outer part is fitted onto the inner cap and the second inner sleeve and fits against the outer peripheral surface of the second inner sleeve.

[0010] In one embodiment, the first inner sleeve is made of food-grade material, and the second inner sleeve is made of engineering plastic or plastic alloy.

[0011] In one embodiment, the second inner sleeve is made of polycarbonate.

[0012] In one embodiment, the exterior component includes an outer cover and an outer cover, the outer cover being fitted onto the second inner cover and engaging with the second inner cover, and the outer cover being fitted onto the outer cover and the inner cover and engaging with the inner cover.

[0013] In one embodiment, the inner cover includes a cover body and a sealing ring, the sealing ring being disposed inside the cover body, the inner circumferential surface of the first inner sleeve abutting against the outer circumferential surface of the sealing ring, and the outer circumferential surface of the second inner sleeve being connected to the inner circumferential surface of the cover body.

[0014] In one embodiment, the outer peripheral surface of the second inner sleeve is threadedly connected to the inner peripheral surface of the cover.

[0015] In one embodiment, the inner circumferential surface of the first inner sleeve abuts against the outer circumferential surface of the inner plug, and the inner circumferential surface of the second inner sleeve abuts against the outer circumferential surface of the inner plug.

[0016] In one embodiment, the first inner sleeve and the second inner sleeve are integrally injection molded structures.

[0017] In one embodiment, the first inner sleeve and the second inner sleeve are fitted together.

[0018] According to another aspect of this application, a container is provided, including a bottle body and a cap assembly as described in any of the above embodiments, the cap assembly being disposed at the bottle opening of the bottle body.

[0019] The aforementioned bottle cap assembly and container, by combining the inner sleeve with a first inner sleeve and a second inner sleeve, and by using different materials for the first and second inner sleeves, solves the problem of limitations on usage scenarios due to the different properties of different materials. This allows the first inner sleeve, which connects to the inner stopper and inner cap, to be made of a material that does not affect contact with liquid, thus meeting safety requirements. Meanwhile, the second inner sleeve, which connects to the outer part, can be made of a material with excellent temperature resistance and impact resistance but prohibits contact with liquid, making the inner sleeve difficult to pull out. Furthermore, if it is forcibly pulled out, it will damage the bottle or the outer part, thereby preventing counterfeiting. Attached Figure Description

[0020] Figure 1 This is a partial structural diagram of a container according to some embodiments of this application.

[0021] Figure 2 This is a schematic diagram of the inner casing of an anti-counterfeiting bottle cap according to some embodiments of this application.

[0022] Figure 3 This is a schematic diagram of the structure of the first inner sleeve of the anti-counterfeiting bottle cap according to some embodiments of this application.

[0023] Figure 4This is a schematic diagram of the structure of the second inner sleeve of the anti-counterfeiting bottle cap according to some embodiments of this application.

[0024] Figure 5 This is a structural schematic diagram of the inner casing of the anti-counterfeiting bottle cap according to some embodiments of this application from another perspective.

[0025] Figure label:

[0026] 1. Inner plug;

[0027] 2. Inner cover; 21. Cover body; 22. Sealing ring;

[0028] 3. Inner sleeve; 31. First inner sleeve; 32. Second inner sleeve; 33. Claw part; 34. Channel;

[0029] 4. Exterior components; 41. Outer cover; 42. Outer jacket;

[0030] 5. Bottle body. Detailed Implementation

[0031] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0032] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0033] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0034] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0035] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0036] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0037] In the transportation of liquids, containers are typically used for storage, and these containers are sealed with caps. For liquids such as alcoholic beverages, existing caps mainly consist of plastic parts such as inner caps and inner sleeves. However, these plastic parts have significant drawbacks: they not only have poor high-temperature resistance but also insufficient strength. The new national standard "GB 4806.7-2023" has specific requirements for the plastic materials used in the handling of spirits or other strong alcoholic beverages with an alcohol concentration higher than 52%. Some materials with excellent temperature resistance and impact resistance are prohibited from contact with high-concentration alcohol and therefore cannot be used as inner sleeves.

[0038] These problems have led to the current situation in the liquor market where unscrupulous individuals exploit defects such as poor strength of bottle cap plastic parts, plastic's inability to withstand high temperatures, and the easy separation of the inner and outer plastic parts. They use methods such as "high-temperature cap removal" (the bottle cap is easily pulled out in a high-temperature environment), "bottom-pry cap removal" (the cap is easily pried open from the bottom), and "packaging material recycling" to counterfeit products. This not only affects the sealing and safety of the products, but also brings potential health risks to consumers.

[0039] In summary, this application provides a bottle cap assembly with an inner sleeve made of two materials, which solves the problem of the limitation of different materials on the usage scenarios due to their different properties. It not only meets national food safety requirements, but also increases the difficulty of counterfeiting behaviors such as high-temperature cap removal and bottom-lifting cap removal. It also makes the bottle cap damaged when it is removed by high temperature or bottom-lifting cap removal, so as to remind consumers that the bottle cap has been opened, prevent packaging material recycling, and achieve the purpose of preventing counterfeiting, thereby solving the above-mentioned problems.

[0040] See Figure 1 This application provides a bottle cap assembly for sealing the mouth of a bottle 5. The bottle cap assembly includes an inner stopper 1, an inner cap 2, an inner sleeve 3, and an outer part 4. The inner sleeve fits tightly with the bottle mouth to form a first line of defense against leakage. The inner cap 2 fits with the inner sleeve to form a second line of defense, further enhancing the sealing performance of the bottle cap assembly. The inner stopper 1 fits with the inner cap 2 and the inner sleeve to provide sealing and anti-theft functions. The outer part 4 protects the inner cap 2 and the inner sleeve from damage during transportation and use, and also enhances the aesthetics of the bottle cap assembly and improves the product image.

[0041] Understandably, liquor bottle caps typically consist of an outer cap assembly and an inner stopper assembly housed within the outer cap assembly, effectively serving primary functions such as sealing and anti-theft. The outer cap assembly usually includes an outer cap 41 and an outer sleeve 42, which is what is visible on the outside of the liquor bottle cap; the inner stopper assembly usually includes an inner stopper 1 and an inner stopper 1 seal, which can only be observed after the outer cap 41 is opened or damaged.

[0042] See Figure 1 and Figure 2 In a specific configuration, the inner assembly 3 has a channel 34 for liquid flow, and the channel 34 has a first liquid outlet and a second liquid outlet arranged opposite each other along its own axial direction. The inner plug 1 is disposed on the first liquid outlet and is configured to be press-fitted into and sealed inside the bottle mouth by the inner assembly 3. The inner plug 1 connects the bottle mouth and the channel 34. The inner cap 2 seals the second liquid outlet and is connected to the inner assembly 3. The inner plug 1, the inner cap 2, and the inner assembly 3 together constitute the inner plug assembly.

[0043] Specifically, the inner stopper 1 is disposed within the channel 34 and coaxially connected to the channel 34. When the inner stopper 1 is pressed into the bottle mouth of the bottle body 5 under the action of the inner sleeve 3, the inner sleeve 3 is fitted onto the bottle lip of the bottle body 5 to achieve a tight fit with the bottle lip and improve the sealing effect. In addition, the inner sleeve is usually designed with anti-rotation ribs, which cooperate with the anti-rotation teeth on the bottle mouth to limit the radial rotation of the inner sleeve and ensure that the inner sleeve remains stable during use.

[0044] The inner cover 2 includes a cover body 21 and a sealing ring 22. The sealing ring 22 is disposed inside the cover body 21 and cooperates with the inner circumferential surface of the cover body 21 to form a sealing space. The other axial side of the inner sleeve 3 is accommodated in the sealing space, and the inner circumferential surface of the channel 34 of the first inner sleeve 31 abuts against the outer circumferential surface of the sealing ring 22. The outer circumferential surface of the second inner sleeve 32 is threadedly connected to the inner circumferential surface of the cover body 21, so as to simultaneously realize the detachable connection and sealing between the inner sleeve 3 and the inner cover 2.

[0045] See Figure 1 , Figure 2 and Figure 5 The inner sleeve 3 includes a first inner sleeve 31 and a second inner sleeve 32 made of different materials. The axial sides of the first inner sleeve 31 are connected to the inner plug 1 and the inner cap 2 respectively. The first inner sleeve 31 has a channel 34 for liquid flow. The second inner sleeve 32 is arranged around the outer peripheral surface of the first inner sleeve 31 and has a claw part 33 that can engage with the bottle body 5. The outer part 4 is arranged around the outer peripheral surface of the inner cap 2 and the second inner sleeve 32.

[0046] Understandably, in the embodiments of this application, the first inner sleeve 31, which connects to the inner plug 1 and the inner cover 2 and has a channel 34 for liquid flow, can be made of food-grade material, so that the inner sleeve 3 does not affect contact with the liquid during use, thus meeting national food safety requirements. The second inner sleeve 32, which connects to the outer cover 4, can be made of a material with excellent temperature resistance and impact resistance but is prohibited from contacting the liquid to be contained, making the inner sleeve 3 difficult to pull out.

[0047] More specifically, since the inner circumferential surface of the second inner sleeve 32 has a claw portion 33 that can engage with the bottle lip of the bottle body 5, when the bottle cap assembly is assembled onto the bottle body 5, the claw portion 33 engages with the bottle lip. This causes the claw portion 33, which engages with the bottle lip, to deform the second inner sleeve 32 when the bottle cap assembly is forcibly pulled out. This deformation causes the outer part 4 to deform under pressure, alerting consumers that the bottle cap assembly has been opened, preventing packaging material recycling, and thus achieving the purpose of preventing counterfeiting.

[0048] In addition, the tensile strength of the second inner sleeve 32 is greater than that of the bottle mouth of the bottle body 5, so that when the bottle cap assembly is forcibly pulled out, the claw part 33 can cause the bottle mouth to be damaged under the action of external force, thereby reminding consumers that the bottle cap assembly has been opened, preventing packaging material recycling, etc., and achieving the purpose of preventing counterfeiting.

[0049] The bottle cap assembly of this application can be applied to containers such as wine bottles and cosmetic bottles. In the embodiments of this application, the bottle cap assembly is the cap of a liquor bottle. The bottle cap assembly of this application solves the problem of the limitation of different materials on the use scenarios due to different properties by making the inner sleeve 3 a combination of a first inner sleeve 31 and a second inner sleeve 32, and making the first inner sleeve 31 and the second inner sleeve 32 use different materials. This allows the first inner sleeve 31, which is connected to the inner stopper 1 and the inner cap 2, to be made of food-grade material, which does not affect contact with liquor and meets national food safety requirements. The second inner sleeve 32, which is connected to the outer part 4, can be made of material with excellent temperature resistance and impact resistance, but is prohibited from contact with high concentration alcohol. This makes the inner sleeve 3 difficult to pull out, and if it is forcibly pulled out, it will damage the bottle body 5 or the outer part 4, thus achieving the purpose of preventing counterfeiting.

[0050] In one embodiment, the first inner sleeve 31 is made of food-grade material to ensure that the inner sleeve 3 does not affect contact with the liquor, thus meeting national food safety requirements. The second inner sleeve 32 is made of engineering plastic or plastic alloy, making the inner sleeve 3 difficult to pull out, and causing damage to the bottle body 5 or the outer parts 4 if forcibly pulled out, thereby preventing counterfeiting.

[0051] Understandably, considering that most of the containers currently on the market are glass bottles, the second inner sleeve 32 made of engineering plastic or plastic alloy not only has a higher tensile strength than the bottle mouth of a glass bottle, but is also heat resistant. Therefore, it can effectively prevent the bottle cap assembly from being pulled off by high temperature heating or from being pulled off by the bottom.

[0052] Specifically, the second inner sleeve 32 is made of polycarbonate. The excellent temperature resistance and impact resistance of polycarbonate further ensure the stability of the inner sleeve 3, making it difficult to pull out. Furthermore, if forcibly pulled out, the bottle opening of the bottle body 5 can break under the clamping of the second inner sleeve 32, or the outer part 4 can deform under the pressure of the second inner sleeve 32, causing damage to the bottle cap or bottle body 5. This alerts consumers that the bottle cap has been opened, prevents packaging material recycling, and achieves the purpose of preventing counterfeiting.

[0053] See Figure 1 In one embodiment, the outer component 4 includes an outer cover 41 and an outer sleeve 42. The outer sleeve 42 is fitted onto and snap-fitted with the second inner sleeve 32. The tensile strength of the outer sleeve 42 is less than that of the second inner sleeve 32, so that the outer component 4 can deform under the pressure of the second inner sleeve 32 when the bottle cap assembly is forcibly pulled out. The outer cover 41 is fitted onto the outer sleeve 42 and the inner cover 2, and snap-fitted with the inner cover 2. The user can open the bottle cap assembly by rotating the outer cover 41 to remove the inner cover 2 from the inner sleeve 3.

[0054] In addition, an anti-theft structure, such as a buckle, pull ring, or fragile ring, is designed between the outer cap 41 and the outer sleeve 42. These structures will be destroyed when the cap assembly is opened, thus playing a role in preventing theft and counterfeiting, preventing the cap from being illegally opened and reused, and ensuring the integrity and safety of the product.

[0055] In one embodiment, the inner circumferential surface of the first inner sleeve 31 abuts against the outer circumferential surface of the inner stopper 1, and the inner circumferential surface of the second inner sleeve 32 abuts against the outer circumferential surface of the inner stopper 1. Specifically, a portion of the outer circumferential surface of the inner stopper 1 abuts against the inner circumferential surface of the first inner sleeve 31, and another portion of the outer circumferential surface of the inner stopper 1 abuts against the inner circumferential surface of the second inner sleeve 32, so that the second inner sleeve 32, which has excellent impact resistance, can cooperate with the first inner sleeve 31, which has moderate impact resistance, to achieve the pressing and fitting of the inner stopper 1 at the bottle mouth of the bottle body 5, ensuring the pressing and fitting effect.

[0056] More specifically, the outer peripheral surface of part of the second inner sleeve 32 is threadedly connected to the inner cap 2, and the outer peripheral surface of another part of the second inner sleeve 32 is snapped into the outer cap 42. When the bottle cap assembly is forcibly pulled out by pulling out the outer cap 41, the inner cap 2 can apply a pulling force to the second inner sleeve 32. The claw part 33 that engages with the bottle lip will cause the second inner sleeve 32 to deform, so that the outer cap 42 will deform under pressure, reminding consumers that the bottle cap assembly has been opened, preventing packaging material recycling, etc., and achieving the purpose of preventing counterfeiting.

[0057] In one embodiment, the first inner sleeve 31 and the second inner sleeve 32 are integrally injection molded structures. Integral injection molding can manufacture parts with extremely tight tolerances and consistent dimensions, ensuring that each part meets precise specifications. Due to their uniform material distribution, injection molded parts exhibit excellent structural integrity and resistance to wear, impact, and environmental factors.

[0058] Specifically, the first inner sleeve 31 can be injection molded from a first material, and the second inner sleeve 32 is injection molded from the first inner sleeve 31 using a second material to form the inner sleeve 3. More specifically, see [link to relevant documentation]. Figures 3-5 The specific injection molding process can be as follows: First, the first material is used to injection mold the first inner sleeve 31 in the first cavity of the two-color injection molding machine. Then, the mold is rotated at a preset angle to transfer the first inner sleeve 31, which is injection molded in the first cavity, to the second cavity with a larger space. Then, the second material is injection molded into the second cavity to form the second inner sleeve 32 on the first inner sleeve 31, thereby producing the inner sleeve 3 of the bottle cap assembly.

[0059] In one embodiment, the first inner sleeve 31 and the second inner sleeve 32 are snap-fit ​​connected. This snap-fit ​​connection facilitates the disassembly and replacement of the first inner sleeve 31 and the second inner sleeve 32, reducing maintenance costs and time. Furthermore, compared to a one-piece injection molded structure, snap-fit ​​molding does not require complex injection molds, resulting in significantly lower mold costs and greater cost-effectiveness in small-batch production.

[0060] Specifically, the first inner sleeve 31 can be injection molded from a first material, and the second inner sleeve 32 can be injection molded from a second material and is engaged with the first inner sleeve 31. More specifically, the second inner sleeve 32 has an annular sidewall inside, on which a first engaging structure is provided, and on the outer circumferential surface of the first inner sleeve 31 is a second engaging structure. The first inner sleeve 31 passes through the second inner sleeve 32, and the outer circumferential surface of the first inner sleeve 31 fits against the annular sidewall of the second inner sleeve 32, with the first engaging structure engaging with the second engaging structure.

[0061] Understandably, in some embodiments, the first card-fitting structure is a card block structure, and the second card-fitting structure is a card slot structure. In other embodiments, the first card-fitting structure is a card slot structure, and the second card-fitting structure is a card block structure. The card-fitting connection between the first and second card-fitting structures is achieved by inserting the card block structure into the card slot structure.

[0062] See Figure 1 According to another aspect of this application, a container is provided, including a bottle body 5 and a cap assembly as described in any of the above embodiments, the cap assembly being disposed at the bottle opening of the bottle body 5. Specifically, the cap assembly includes an inner stopper 1, an inner cap 2, an inner sleeve 3, and an outer part 4.

[0063] In the specific configuration, the inner stopper 1 is press-fitted into the bottle mouth of the bottle body 5, one axial side of the inner sleeve 3 is fitted onto the inner stopper 1, and the other axial side of the inner sleeve 3 is accommodated in the inner cap 2 and connected to the inner cap 2. The inner sleeve 3 includes a first inner sleeve 31 and a second inner sleeve 32 made of different materials. The two axial sides of the first inner sleeve 31 are connected to the inner stopper 1 and the inner cap 2 respectively. The first inner sleeve 31 has a channel 34 for liquid flow. The second inner sleeve 32 is arranged around the outer circumferential surface of the first inner sleeve 31. The inner circumferential surface of the second inner sleeve 32 is provided with a claw portion 33, which engages with the bottle lip of the bottle body 5. The outer part 4 is arranged around the outer circumferential surface of the inner cap 2 and the second inner sleeve 32.

[0064] The bottle cap assembly of this application comprises an inner sleeve 3 consisting of a first inner sleeve 31 and a second inner sleeve 32, with the first inner sleeve 31 and the second inner sleeve 32 made of different materials. The first inner sleeve 31, which connects to the inner stopper 1 and the inner cap 2 and has a channel 34 for liquid flow, can be made of food-grade material, ensuring that the inner sleeve 3 does not affect contact with the liquid during use and meets national food safety requirements. The second inner sleeve 32, which connects to the outer sleeve 4, can be made of a material with excellent temperature resistance and impact resistance, but is prohibited from contact with the liquid to be contained, making the inner sleeve 3 difficult to remove.

[0065] Furthermore, because the claw portion 33 of the second inner sleeve 32 engages with the bottle lip of the bottle body 5, when the bottle cap assembly is forcibly pulled out, the claw portion 33 engaging with the bottle lip will cause the second inner sleeve 32 to deform. This causes the outer part 4 to deform under the pressure of deformation, alerting consumers that the bottle cap assembly has been opened, preventing packaging material recycling, and thus achieving the purpose of preventing counterfeiting. The tensile strength of the second inner sleeve 32 is greater than the tensile strength of the bottle mouth of the bottle body 5, so that when the bottle cap assembly is forcibly pulled out, the claw portion 33 can cause the bottle mouth to be damaged under the action of external force, thereby alerting consumers that the bottle cap assembly has been opened, preventing packaging material recycling, and thus achieving the purpose of preventing counterfeiting.

[0066] The bottle body 5 of the container in this application can be a wine bottle, cosmetic bottle, or other type of bottle. In the embodiments of this application, the bottle body 5 is a wine bottle. The container of this application solves the problem of limitations on the use scenarios due to the different properties of different materials by making the inner sleeve 3 of the bottle cap assembly combined with a first inner sleeve 31 and a second inner sleeve 32. The first inner sleeve 31 and the second inner sleeve 32 are made of different materials. This allows the first inner sleeve 31, which is connected to the inner stopper 1 and the inner cap 2, to be made of food-grade material, which does not affect contact with liquor and meets national food safety requirements. The second inner sleeve 32, which is connected to the outer part 4, can be made of material with excellent temperature resistance and impact resistance, but which is prohibited from contact with high concentrations of alcohol. This makes the inner sleeve 3 difficult to pull out, and if it is forcibly pulled out, it will damage the bottle body 5 or the outer part 4, thus achieving the purpose of preventing counterfeiting.

[0067] In one embodiment, the first inner sleeve 31 of the bottle cap assembly is made of food-grade material to ensure that the inner sleeve 3 does not affect contact with the liquor, thus meeting national food safety requirements. The second inner sleeve 32 of the bottle cap assembly is made of engineering plastic or plastic alloy, making the inner sleeve 3 difficult to pull out, and causing damage to the bottle body 5 or the outer parts 4 if forcibly pulled out, thereby preventing counterfeiting.

[0068] Understandably, considering that most of the containers currently on the market are glass bottles, the second inner sleeve 32 made of engineering plastic or plastic alloy not only has a higher tensile strength than the bottle mouth of a glass bottle, but is also heat resistant. Therefore, it can effectively prevent the bottle cap assembly from being pulled off by high temperature heating or from being pulled off by the bottom.

[0069] Specifically, the second inner sleeve 32 of the bottle cap assembly is made of polycarbonate. The excellent temperature resistance and impact resistance of polycarbonate further ensure the stability of the inner sleeve 3, making it difficult to pull out. Furthermore, if forcibly pulled out, the bottle opening of the bottle body 5 can break under the clamping of the second inner sleeve 32, or the outer part 4 can deform under the pressure of the second inner sleeve 32, causing damage to the bottle cap or bottle body 5. This alerts consumers that the bottle cap has been opened, prevents packaging material recycling, and achieves the purpose of preventing counterfeiting.

[0070] See Figure 1 In one embodiment, the outer component 4 includes an outer cover 41 and an outer sleeve 42. The outer sleeve 42 is fitted onto and snap-fitted with the second inner sleeve 32. The tensile strength of the outer sleeve 42 is less than that of the second inner sleeve 32, so that the outer component 4 can deform under the pressure of the second inner sleeve 32 when the bottle cap assembly is forcibly pulled out. The outer cover 41 is fitted onto the outer sleeve 42 and the inner cover 2, and snap-fitted with the inner cover 2. The user can open the bottle cap assembly by rotating the outer cover 41 to remove the inner cover 2 from the inner sleeve 3.

[0071] In addition, an anti-theft structure, such as a buckle, pull ring, or fragile ring, is designed between the outer cap 41 and the outer sleeve 42. These structures will be destroyed when the cap assembly is opened, thus playing a role in preventing theft and counterfeiting, preventing the cap from being illegally opened and reused, and ensuring the integrity and safety of the product.

[0072] In one embodiment, the inner circumferential surface of the first inner sleeve 31 abuts against the outer circumferential surface of the inner stopper 1, and the inner circumferential surface of the second inner sleeve 32 abuts against the outer circumferential surface of the inner stopper 1. Specifically, a portion of the outer circumferential surface of the inner stopper 1 abuts against the inner circumferential surface of the first inner sleeve 31, and another portion of the outer circumferential surface of the inner stopper 1 abuts against the inner circumferential surface of the second inner sleeve 32, so that the second inner sleeve 32, which has excellent impact resistance, can cooperate with the first inner sleeve 31, which has moderate impact resistance, to achieve the pressing and fitting of the inner stopper 1 at the bottle mouth of the bottle body 5, ensuring the pressing and fitting effect.

[0073] More specifically, the outer peripheral surface of part of the second inner sleeve 32 is threadedly connected to the inner cap 2, and the outer peripheral surface of another part of the second inner sleeve 32 is snapped into the outer cap 42. When the bottle cap assembly is forcibly pulled out by pulling out the outer cap 41, the inner cap 2 can apply a pulling force to the second inner sleeve 32. The claw part 33 that engages with the bottle lip will cause the second inner sleeve 32 to deform, so that the outer cap 42 will deform under pressure, reminding consumers that the bottle cap assembly has been opened, preventing packaging material recycling, etc., and achieving the purpose of preventing counterfeiting.

[0074] In one embodiment, the first inner sleeve 31 and the second inner sleeve 32 are integrally injection molded structures. Integral injection molding can manufacture parts with extremely tight tolerances and consistent dimensions, ensuring that each part meets precise specifications. Due to their uniform material distribution, injection molded parts exhibit excellent structural integrity and resistance to wear, impact, and environmental factors.

[0075] Specifically, the first inner sleeve 31 can be injection molded from a first material, and the second inner sleeve 32 is injection molded from the first inner sleeve 31 using a second material to form the inner sleeve 3. More specifically, see [link to relevant documentation]. Figures 3-5 The specific injection molding process can be as follows: First, the first material is used to injection mold the first inner sleeve 31 in the first cavity of the two-color injection molding machine. Then, the mold is rotated at a preset angle to transfer the first inner sleeve 31, which is injection molded in the first cavity, to the second cavity with a larger space. Then, the second material is injection molded into the second cavity to form the second inner sleeve 32 on the first inner sleeve 31, thereby producing the inner sleeve 3 of the bottle cap assembly.

[0076] In one embodiment, the first inner sleeve 31 and the second inner sleeve 32 are snap-fit ​​connected. This snap-fit ​​connection facilitates the disassembly and replacement of the first inner sleeve 31 and the second inner sleeve 32, reducing maintenance costs and time. Furthermore, compared to a one-piece injection molded structure, snap-fit ​​molding does not require complex injection molds, resulting in significantly lower mold costs and greater cost-effectiveness in small-batch production.

[0077] Specifically, the first inner sleeve 31 can be injection molded from a first material, and the second inner sleeve 32 can be injection molded from a second material and is engaged with the first inner sleeve 31. More specifically, the second inner sleeve 32 has an annular sidewall inside, on which a first engaging structure is provided, and on the outer circumferential surface of the first inner sleeve 31 is a second engaging structure. The first inner sleeve 31 passes through the second inner sleeve 32, and the outer circumferential surface of the first inner sleeve 31 fits against the annular sidewall of the second inner sleeve 32, with the first engaging structure engaging with the second engaging structure.

[0078] Understandably, in some embodiments, the first card-fitting structure is a card block structure, and the second card-fitting structure is a card slot structure. In other embodiments, the first card-fitting structure is a card slot structure, and the second card-fitting structure is a card block structure. The card-fitting connection between the first and second card-fitting structures is achieved by inserting the card block structure into the card slot structure.

[0079] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0080] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A bottle cap assembly for sealing the opening of a bottle body (5), characterized in that, It includes an inner plug (1), an inner cover (2), an inner sleeve (3), and an outer part (4); The inner component (3) has a channel (34) for liquid flow, the channel (34) having a first liquid outlet and a second liquid outlet arranged opposite to each other along its own axial direction; The inner plug (1) is disposed on the first liquid outlet and is configured to be press-fitted and sealed inside the bottle mouth by the inner sleeve (3), and the inner plug (1) connects the bottle mouth and the channel (34); The inner cover (2) is sealed on the second liquid outlet and connected to the inner sleeve (3); The inner sleeve (3) includes a first inner sleeve (31) and a second inner sleeve (32) made of different materials. The second inner sleeve (32) is arranged around the outer peripheral surface of the first inner sleeve (31) and has a claw portion (33) that can engage with the bottle body (5). The outer part (4) is fitted on the inner cap (2) and the second inner sleeve (32) and fits against the outer peripheral surface of the second inner sleeve (32).

2. The bottle cap assembly according to claim 1, characterized in that, The first inner sleeve (31) is made of food-grade material, and the second inner sleeve (32) is made of engineering plastic or plastic alloy.

3. The bottle cap assembly according to claim 1, characterized in that, The strength of the second inner sleeve (32) is greater than that of the first inner sleeve (31).

4. The bottle cap assembly according to claim 1, characterized in that, The outer part (4) includes an outer cover (41) and an outer cover (42). The outer cover (42) is fitted onto the second inner cover (32) and is snapped into the second inner cover (32). The outer cover (41) is fitted onto the outer cover (42) and the inner cover (2) and is snapped into the inner cover (2).

5. The bottle cap assembly according to claim 1, characterized in that, The inner cover (2) includes a cover body (21) and a sealing ring (22). The sealing ring (22) is disposed inside the cover body (21). The inner circumferential surface of the first inner sleeve (31) abuts against the outer circumferential surface of the sealing ring (22). The outer circumferential surface of the second inner sleeve (32) is connected to the inner circumferential surface of the cover body (21).

6. The bottle cap assembly according to claim 5, characterized in that, The outer peripheral surface of the second inner sleeve (32) is threadedly connected to the inner peripheral surface of the cover (21).

7. The bottle cap assembly according to claim 1, characterized in that, The inner circumferential surface of the first inner sleeve (31) abuts against the outer circumferential surface of the inner plug (1), and the inner circumferential surface of the second inner sleeve (32) abuts against the outer circumferential surface of the inner plug (1).

8. The bottle cap assembly according to claim 1, characterized in that, The first inner sleeve (31) and the second inner sleeve (32) are integrally injection molded structures.

9. The bottle cap assembly according to claim 1, characterized in that, The first inner sleeve (31) and the second inner sleeve (32) are fitted together.

10. A container, characterized in that, It includes a bottle body (5) and a cap assembly as described in any one of claims 1-9, the cap assembly being disposed at the mouth of the bottle body (5).

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