Container sealing device capable of being fixed to container neck and packaging container and component thereof

Abstract

The invention relates to the technical field of packaging containers, and provides a container sealing device capable of being fixed to the neck of a container, the container sealing device is provided with a cover surrounding structure and a cavity cylinder structure, and is provided with a first positioning stop retaining buckle, a first buckle and a sealing piece, and the outer wall of the sealing piece is provided with a concave chamber structure and a supporting and pressing structure; the tail end of the cavity cylinder structure is provided with a channel structure which can be sealed through a channel sealing piece. The container sealing device can be installed and fixed on a container provided with a container neck with an opening and a main body chamber, the container neck is provided with a second positioning stop retaining buckle, a second buckle and a sharp structure, and the sharp structure of the container neck is located in a concave chamber structure of the container sealing device. The sharp structure can cut the thinned and connected structure between the sealing piece and the inner wall of the cavity cylinder structure, so that materials in the container sealing device are released. In addition, the invention further provides a packaging container and a component of the container sealing device.

Description

Technical Field

[0001] The present invention relates to the technical field of packaging containers, and in particular to a container closing device that can be fixed to a container neck, and a packaging container and a component thereof. Background Art

[0002] In many applications such as mixed packaging of different materials, it is very necessary to release each material into another material shortly before using the mixture of various materials. It is usually impossible or undesirable to store products in a pre-mixed form, because when the products are stored as a mixture for a period of time, they may react with each other unexpectedly or cause the quality of the mixture to deteriorate. A common example is, for example, two or more drug components, which have better stability and longer shelf life when not mixed than when mixed; for another example, for mixed liquid products, such as beverages, liquid medicines, special medical formula food homogenate meals, liquid cosmetics, liquid reagents and other products, during the shelf life of the product, it is necessary to store two or more different materials in the product separately to make it more conducive to the stability, freshness, function assurance or other quality improvements of the product. The existing technical solutions use two or more different packaging bottles / bags / boxes for independent packaging, and recombining them together when using them, which is easy to cause many disadvantages such as inconvenience in carrying, inconvenience in use, and easy to cause secondary pollution.

[0003] International patent applications WO2010 / 101389, WO2007 / 129116, WO2012 / 175934, etc., all disclose container closure devices with different structures and usage functions. However, the above disclosed technical solutions generally have the following disadvantages: (1) When the material in the container closure device is released into the container, the opening of the container neck is also opened at the same time, so that the sealing of the container is destroyed at the same time, and it is impossible to meet the requirements that the material still needs to be sealed and the mixture needs to be further disposed after mixing; (2) When using the mixture in the container, the entire container closure device needs to be removed from the neck of the container, so that the inner core structure of the container closure device is exposed to the outside of the container, which is easy to cause cross contamination or accidental contamination of the mixture in the container; (3) The container closure device is not easy to be used. After the material in the container closure device is released into the bottle body, the closure device can be separated from the bottle body. At this time, the material in the bottle body has not been completely mixed. If the material is mixed evenly by shaking the bottle body, the material will overflow from the bottle mouth, which is not conducive to the convenient use of consumers. There are major defects in the final mixing of the materials; (4) The container closure device needs to achieve many sealing links. It is necessary to simultaneously achieve various sealing properties between the container closure device and the container, between the container closure device and the outside world, and between the container and the outside world. This makes the production and use conditions of the container closure device harsh, the qualified rate is low, and the cost of commercial application is high, which is not conducive to industrial production and commercial application; (5) The container closure device is composed of more than three components, and its assembly and material filling are difficult, with low production efficiency and high cost, and poor adaptability to large-scale industrial production. Summary of the invention

[0004] In order to overcome the deficiencies of the prior art, the present invention provides a new container closure device, which has the functions of sealing, storing and releasing materials, that is, the storage and release functions of materials. The container closure device of the present invention can be installed and fixed at the neck opening of the container to seal the container to form a packaging container. The container closure device and the container can rotate relative to each other, but cannot be removed from the neck of the container. Before opening the packaging container, the user performs a twisting operation to release the material sealed and stored in the container closure device into the container to be mixed and formulated with another material in the container.

[0005] The present invention also provides a packaging container and a component comprising the container closure device, and provides a packaging composition comprising the container closure device.

[0006] Specifically, the present invention adopts the following technical solutions.

[0007] A container closure device that can be fixed to the neck of a container, wherein: The container closure device comprises a cover surrounding structure and a cavity tube structure, wherein the cover surrounding structure and the cavity tube structure are connected together to form an annular cylindrical structure, a first buckle capable of being connected and fixed to the container neck is arranged on the inner wall of the cover surrounding structure, the internal space of the cavity tube structure can accommodate materials, a sealing sheet is arranged at the head end of the cavity tube structure, a recessed chamber structure and a supporting and pressing structure are arranged on the outer wall of the sealing sheet, the recessed chamber structure is recessed from the outer wall of the sealing sheet and protrudes from the inner wall of the sealing sheet, and the supporting and pressing structure is a convex structure on the outer wall of the sealing sheet, and preferably the supporting and pressing structure is arranged in the recessed chamber structure and is a convex structure; The portion where the sealing sheet is connected to the inner wall of the head end of the cavity tube structure is provided with an inclined surface structure to reduce its thickness, and then connected to the inner wall of the head end of the cavity tube structure to form a thinning connection structure. Such a structural setting enables the sealing sheet and the inner wall of the head end of the cavity tube structure to achieve a good sealing effect through the thinning connection structure, and is also conducive to being cut smoothly; preferably, the thickness of the sealing sheet is 0.55mm-1.2mm, preferably 0.7mm-0.9mm, and the thickness of the sealing sheet at the connection point with the head end of the cavity tube structure is 0.06mm-0.45mm, preferably 0.08mm-0.35mm, and most preferably 0.12mm-0.3mm; A first positioning stop buckle is provided on the outer wall of the cavity structure or the inner wall of the cover structure; A channel structure is provided at the tail end of the cavity tube structure. The channel structure has an opening or is in the shape of an opening, and the channel structure is connected to the internal space of the cavity tube structure; further, a channel seal is used to seal the opening of the channel structure, and the channel seal includes a sealing cover, a sealing film or a sealing plug. The channel seal has the function of sealing the internal space of the cavity tube structure, and also has the function of making the material in the container closure device in a sealed state after the container closure device of the present invention is installed on the neck of the container to form a packaging container, and making the mixed material flow from the main chamber of the container through the channel structure of the container closure device. When the channel seal is opened, the mixed material can be discharged to the outside of the packaging container. Preferably, a threaded or snap-on structure is provided on the channel structure, and a sealing cover with a threaded or snap-on structure, such as a threaded cover or an easy-pull cover, is installed on the channel structure through the threaded or snap-on structure to seal the channel structure; Alternatively, the sealing cover is mounted on the channel structure by bonding or welding to seal the channel structure; Alternatively, the sealing film is installed at the rear end of the channel structure by bonding or welding to seal the channel structure; Alternatively, a rubber stopper is installed on the channel structure to seal the channel structure, and when necessary, the rubber stopper can be removed, punctured or pierced, for example, for sealing a packaging container for a pharmaceutical injection.

[0008] The container has an open container neck and a main body chamber, and a second clip that can be interconnected and fixed with the container closing device is arranged on the outer wall of the container neck, a sharp structure is arranged on the inner wall of the container neck, and a second positioning stop buckle is arranged on the inner wall or the outer wall of the container neck; the sharp structure is preferably a sharp structure or a spike-like structure.

[0009] The container closure device of the present invention and the container can be assembled together to form a packaging container. The first positioning stop buckle of the container closure device and the second positioning stop buckle of the container neck are connected to each other, and the sharp structure of the container neck is placed in the recessed chamber structure of the container closure device. By engaging the first buckle of the container closure device and the second buckle of the container neck together, the container closure device and the container can be assembled together, so that the container closure device is installed and fixed on the neck of the container, the neck opening of the container is sealed, and the container is closed to form a packaging container. It should be noted that, by the mutual engagement of the first buckle of the container closure device and the second buckle of the container neck, the container closure device is installed and fixed on the container neck and cannot be removed from the container neck, but the container closure device and the container neck can rotate relative to each other.

[0010] The container closure device and the packaging container thereof of the present invention well realize the function and assembly of the container closure device of the present invention, wherein the first positioning stop buckle of the container closure device and the second positioning stop buckle of the container neck are connected to each other, which can ensure that the container closure device and the container neck are assembled at a preset position, and further the first buckle of the container closure device and the second buckle of the container neck are buckled together, which ensures that the sharp structure of the container neck is in the recessed chamber structure of the sealing sheet of the container closure device, thereby preventing the sharp structure from accidentally puncturing or cutting the sealing sheet; The inner space of the cavity structure of the container closure device accommodates the material, and the channel seal is used to seal the opening of the channel structure of the container closure device, so that the material is sealed and stored in the container closure device.

[0011] The functions and structural effects of the container closure device of the present invention are as follows: the first positioning stop buckle of the container closure device is connected with the second positioning stop buckle of the container neck to play a positioning role, so that the container closure device and the container neck can be assembled at a preset position, ensuring that the sharp structure of the container neck is in the recessed chamber structure of the container closure device, preventing the sharp structure from accidentally piercing the sealing sheet at the head end of the cavity structure, and ensuring that the container closure device and the container neck are in a relatively stable position during and after assembly; the first buckle of the container closure device and the second buckle of the container neck are connected and buckled together, so that the container closure device and the container can be assembled together, and the container closure device and the container neck can rotate relative to each other; When in use, due to the mutual connection and stopping effect of the first positioning stop buckle and the second positioning stop buckle in the initial position, the container closure device and the container neck can only rotate relative to each other in one direction. By twisting the container closure device to make the container closure device and the container neck rotate relative to each other, the sharp structure of the container neck begins to slide from the recessed chamber structure of the container closure device, and the sharp structure can cut through the thinned connection structure between the sealing sheet and the inner wall of the cavity tube structure. When the cutting reaches the predetermined position, the first positioning stop buckle and the second positioning stop buckle engage again to prevent the container closure device and the container neck from rotating. At this time, the sharp structure of the container neck and the supporting and pressing structure on the sealing sheet also engage with each other and generate mutual lateral thrust or extrusion force, so that the incision between the sealing sheet and the inner wall of the cavity tube structure is pushed open. At this time, the uncut and still However, the sealing sheet portion connected to the inner wall of the cavity tube structure, that is, the sealing sheet portion at the recessed chamber structure, is still connected to the inner wall of the cavity tube structure, so that the sealing sheet uses the portion at the recessed chamber structure as a fixed portion, and the cutout of the sealing sheet is pushed toward the inside of the cavity tube structure, or the cutout of the sealing sheet is pushed toward the outside of the cavity tube structure, so as to further increase the distance between the cutout of the sealing sheet and the inner wall of the cavity tube structure, thereby forming a material outlet, so that the material contained in the container closure device can be released into the container and mixed with the material in the container to achieve the effect of mixing and blending, and after the material is released into the main chamber of the container, the packaging container is still in an overall sealed state, and when the mixed material needs to be used, it is only necessary to open the channel seal at the tail end of the cavity tube structure, and the mixed material can be finally discharged through the channel structure of the container closure device to achieve the purpose of using the mixed material.

[0012] It should be noted that whether the cutout of the sealing sheet is pushed toward the inside of the cavity tube structure, or the cutout of the sealing sheet is pushed toward the outside of the cavity tube structure, depends on the position and shape of the supporting and pressing structure. Because supporting and pressing structures in different positions and shapes will result in different directions of lateral thrust forces when the sharp-shaped structure is joined with the supporting and pressing structure. When the inner side of the sharp-shaped structure is joined with the supporting and pressing structure, the direction of the lateral thrust force generated on the supporting and pressing structure is toward the inside of the cavity tube structure, so that the cutout of the sealing sheet is pushed toward the inside of the cavity tube structure. When the outer side of the sharp-shaped structure is joined with the supporting and pressing structure, the direction of the lateral thrust force generated on the supporting and pressing structure is toward the outside of the cavity tube structure, so that the cutout of the sealing sheet is pushed toward the outside of the cavity tube structure.

[0013] Similarly, it should be noted that whether the cutout of the sealing sheet is pushed toward the interior of the cavity tube structure, or the cutout of the sealing sheet is pushed toward the exterior of the cavity tube structure, depends on the position and shape of the supporting and pressing structure. Because supporting and pressing structures in different positions and shapes will result in different directions of extrusion forces when the sharp-shaped structure is joined with the supporting and pressing structure, preferably, the wall at the tail end of the sharp-shaped structure is joined with the supporting and pressing structure to generate an extrusion force on the supporting and pressing structure, and the direction of the extrusion force is toward the interior of the cavity tube structure, so that the cutout of the sealing sheet is pushed toward the interior of the cavity tube structure.

[0014] Further, preferably, the support and pressure structure provided on the outer wall of the sealing sheet is in the recessed chamber structure and presents a convex structure, and the wall part of the cavity structure connected to the recessed chamber structure presents a structure protruding from the inner wall to the outer wall, so that there can be a certain gap between the support and pressure structure and the inner wall of the cavity structure, that is, a reserved gap. Such a structural setting, when the sealing sheet is cut to a predetermined position, can not only make the sharp structure of the container neck and the support and pressure structure produce an excessive engagement effect and generate a large side thrust force, but also can make the sharp structure and the support and pressure structure engage, the sealing sheet part that is not cut and still connected to the inner wall of the cavity structure, due to the existence of the reserved gap, when the sharp structure and the support and pressure structure engage, the sharp structure and the support and pressure structure are engaged. The part of the sealing sheet that is not cut and is still connected to the inner wall of the cavity structure produces a large lever torque effect, so that the cut of the sealing sheet is more conducive to pushing into the interior of the cavity structure, and the process of the sealing sheet being pushed into the cavity structure will be greater, so that a larger material outlet can be formed, ensuring and facilitating the release of the material and the circulation of the mixed material.

[0015] Furthermore, optionally, the head end of the cavity tube structure is connected to the cylinder structure at the sealing sheet position, and its inner wall diameter is smaller than the inner wall diameter of the cylinder structure at other positions of the cavity tube structure. Such a structural setting can make the sharp structure engage with the support and pressure structure and push the cutout of the sealing sheet into the cavity tube structure, so that a larger distance is generated between the cutout of the sealing sheet and the inner wall of the cavity tube structure, forming a larger material outlet, which is more conducive to the release of materials and the circulation of mixed materials, and is particularly suitable for the storage and release of solid materials, such as coarse particles and amorphous blocks.

[0016] In particular, the container closing device is provided with a recessed chamber structure, a supporting and pressing structure, and a first positioning stop buckle. Such a configuration can form a material outlet between the cut of the sealing sheet and the inner wall of the cavity structure after the sealing sheet is cut; Correspondingly, a sharp structure is arranged on the inner wall of the container neck, and a second positioning stop buckle is arranged on the inner wall or the outer wall of the container neck.

[0017] Alternatively, it is preferred that two recessed chamber structures, two supporting and pressing structures, and two first positioning and stopping buckles are arranged on the container closing device, the two recessed chamber structures are symmetrically distributed on the sealing sheet, the two supporting and pressing structures are symmetrically distributed on the sealing sheet, and the two first positioning and stopping buckles are symmetrically distributed on the outer wall of the cavity tube structure or on the inner wall of the cover surrounding structure; such an arrangement can form two material outlets between the cut of the sealing sheet and the inner wall of the cavity tube structure after the sealing sheet is cut; Correspondingly, two sharp structures are arranged on the inner wall of the container neck, and two second positioning stop buckles are arranged on the inner wall or the outer wall of the container neck, the two sharp structures are symmetrically distributed on the inner wall of the container neck, and the two second positioning stop buckles are symmetrically distributed on the inner wall of the container neck or on the outer wall of the container neck; The "distributed in symmetrical positions" mentioned in the present invention means that the structure is distributed in a position arranged in a symmetrical structure or array structure with the central axis of the circumferential body structure in which it is located as the symmetrical axis. For example, with the central axis of the cylinder structure of the cover surrounding structure and the cavity structure as the symmetrical axis, two recessed chamber structures, two supporting and pressing structures, and two first positioning and stopping buckles are arranged in a symmetrical structure or array structure, and with the central axis of the circumferential body structure of the container neck as the symmetrical axis, two sharp-shaped structures and two second positioning and stopping buckles are arranged in a symmetrical structure or array structure.

[0018] Furthermore, if necessary, a close-fitting and sealed structure is provided on the outer wall of the cavity tube structure, which can seal the cavity tube structure and the inner wall of the container neck. The close-fitting and sealed structure can be in close contact with the container neck to achieve a sealing effect, and maintain the sealing effect when the container closing device and the container neck rotate relative to each other.

[0019] Furthermore, as needed, an anti-theft ring structure is provided at the head end of the cover surrounding structure, and the anti-theft ring structure is connected to the cover surrounding structure by a bridge connection or a contact connection. Serrated ribs are provided on the inner wall of the anti-theft ring structure. Similarly, serrated ribs are also provided on the outer wall of the corresponding container neck, and the serrated ribs of the two are matched with each other. When the container closure device and the container neck rotate relative to each other, the bridge connection or contact connection between the anti-theft ring structure and the cover surrounding structure is broken due to the interaction of the serrated ribs of the two, so that the container closure device plays an anti-theft role and avoids the container closure device from being accidentally rotated.

[0020] The container closure device of the present invention is made of polymer material by mold injection molding, preferably polyethylene (PE) or polypropylene (PP) material by mold injection molding. In particular, when prepared by mold injection molding, the injection gate of the container closure device is set on the inner wall or outer wall of the sealing sheet of the cavity tube structure, preferably the injection gate of the container closure device is set at the center of the inner wall or the center of the outer wall of the sealing sheet of the cavity tube structure, and most preferably the injection gate of the container closure device is set at the center of the inner wall of the sealing sheet of the cavity tube structure.

[0021] Based on the structural characteristics of the container closure device of the present invention, the inventors found that when the injection molding process, the thickness of the connection between the sealing plate and the head end of the cavity tube structure, the structural size and other factors are the same, the injection molding gate of the container closure device is set at the center of the inner wall of the sealing plate or the center of the outer wall. The container closure device obtained by injection molding can have a pass rate of 100% for the key sealing structure between the sealing plate and the inner wall of the head end of the cavity tube structure connected by thinning. However, when the injection molding gate of the container closure device is set at other positions, the pass rate of the key sealing structure of the container closure device is significantly reduced.

[0022] The container of the present invention has an open container neck and a main body chamber, and the container neck is provided with a functional structure matching the container closing device, and the container includes a packaging bottle, a packaging bag, a packaging can, a packaging cup, a packaging box or a packaging barrel, etc., which are containers made of polymer materials, metals, glass or ceramics; preferably, the container is a packaging bottle made of polymer materials, such as a plastic bottle made of polyethylene terephthalate (PET), polycarbonate (PC) or its derivatives, polystyrene (PS), polypropylene (PP) or polyethylene (PE); the packaging bottle is preferably prepared by a bottle blank blow molding process.

[0023] Furthermore, the present invention also provides a bottle blank for preparing a packaging bottle, wherein the bottle blank has an open bottle blank neck and a blank body, wherein a second buckle is arranged on the outer wall of the bottle blank neck, a sharp structure is arranged on the inner wall of the bottle blank neck, and a second positioning stop buckle is arranged on the inner wall or the outer wall of the bottle blank neck, the sharp structure is preferably a sharp structure or a spike-like structure, the bottle blank is made of polymer material, the bottle blank can be prepared into the packaging bottle of the present invention by a blow molding process, and the blank body of the bottle blank forms the main chamber of the packaging bottle by a blow molding process.

[0024] Description of the concepts of the present invention related terms.

[0025] The container refers to a container having an open container neck and a main body chamber, such as a packaging bottle, a packaging bag, a packaging can, a packaging cup, a packaging box or a packaging barrel.

[0026] The packaging container refers to a container composition formed by installing a container closure device on the neck of the container, wherein the main chamber of the container can contain materials, and the container closure device can contain other materials, and the two materials are independent of each other.

[0027] The concepts of "head end" and "tail end" described in the present invention, for the container closure device and various structures described in the present invention, their head end refers to the end closest to the bottom of the container when the container closure device is installed on the container neck, and their other end is called the tail end.

[0028] Similarly, the concepts of "head end" and "tail end" in the present invention, for the sharp structure and the second positioning stop buckle set on the neck of the container in the present invention, their tail end refers to the end closest to the opening of the container, and their other end is called the head end.

[0029] The "buckle, positioning stop buckle, supporting and pressing structure" and the like described in the present invention are functional structures in the form of ribs, rib sheets, sheet structures, circular sheet structures or arc sheet structures, or structures formed by a combination of these forms; The "structure" mentioned in the present invention refers to the component of a member or structural unit, or the "structure" represents the inherent characteristic form set on the member or structural unit; The concepts of "connection" and "linking" described in the present invention, "connection" refers to the interrelated structural relationship between structures on the same component, or "connection" refers to the mutual contact, matching engagement, matching snap-fit, matching snap-fit, etc. between different components or parts; "linking" means connecting, fixing and combining together, or forming an integral component by connecting, fixing and combining together.

[0030] The term "joining" as used in the present invention refers to two components being connected to or in contact with each other and matching or cooperating with each other.

[0031] The container closure device or container of the present invention can be obtained by assembling, snap-fitting, connecting, or welding the various structures or settings of the present invention by using separate parts when certain structures are produced, such as by injection mold production, which are difficult, inefficient, or costly, or when the injection mold is difficult to realize its structure, etc. Undoubtedly, the container closure device or container of the present invention, no matter how it is assembled, installed, or assembled, falls within the scope of protection of the present invention. For example, the structure on the neck of the container can be obtained by snap-fitting the main body component of the separate bottle body with the structural component of the bottleneck.

[0032] Furthermore, the present invention also provides a packaging container, which is composed of the container closure device of the present invention installed on a container neck with an opening, the container having an open container neck and a main body chamber, and a second buckle capable of being interconnected and fixed with the container closure device is arranged on the outer wall of the container neck, a sharp structure is arranged on the inner wall of the container neck, and a second positioning stop buckle is arranged on the inner wall or the outer wall of the container neck; the container closure device is installed and fixed on the container neck by the first buckle of the container closure device and the second buckle of the container neck being mutually engaged. As described above, the container closure device is installed on the neck of the container to form a packaging container, and before opening the packaging container, the container closure device is rotated with the container neck by screwing, so that the sharp structure cuts the sealing sheet on the cavity structure, and finally achieves the purpose of sealing, storing and releasing the materials in the container closure device; the mixed materials are finally discharged through the cavity structure and the channel structure arranged at the tail end thereof to achieve the purpose of using the mixed materials, which is convenient and simple to use, and easy to industrially install, fill and produce materials.

[0033] In particular, the container closure device and the matching container of the present invention are mutually matching packaging combinations, having the size of special or conventional matching containers, and can provide better product functions, experience, appropriate screwing force, and better material holding capacity, appearance, etc. For example, preferably: The inner diameter of the opening of the container neck is 28 mm to 30 mm, and the inner diameter of the cavity structure of the container closure device is 20 mm to 25 mm; or, The inner diameter of the opening of the container neck is 24.5 mm to 26.5 mm, and the inner diameter of the cavity structure of the container closure device is 20 mm to 25 mm; or, The inner diameter of the opening of the container neck is 26.5 mm to 28 mm, and the inner diameter of the cavity structure of the container closure device is 20 mm to 25 mm; or, The inner diameter of the opening of the container neck is 24.5 mm to 30 mm, and the inner diameter of the cavity structure of the container closure device is 17 mm to 21.5 mm; or, The inner diameter of the opening of the container neck is 32 mm to 35 mm, and the inner diameter of the cavity structure of the container closure device is 25 mm to 31 mm; or, The inner diameter of the container opening is 52 mm to 54 mm, and the inner diameter of the cavity structure of the container closing device is 45 mm to 52 mm.

[0034] Furthermore, the present invention also provides a packaging composition, consisting of the container closure device described in the present invention, a container, and two materials, wherein the container has an open container neck and a main body chamber, and a second buckle is provided on the outer wall of the container neck, a sharp structure is provided on the inner wall of the container neck, and a second positioning stop buckle is provided on the inner wall or the outer wall of the container neck, and the container closure device is installed on the container neck through the second buckle provided on the outer wall of the container neck; the main body chamber of the container accommodates one material, the cavity structure of the container closure device accommodates another material, and the two materials are sealed independently of each other, and preferably at least one of the two materials is a liquid material.

[0035] The main chamber of the container preferably contains a liquid material. The material contained in the container closure device is preferably a liquid material, a solid material, a mixture of a solid and a liquid, or a slurry; the solid material is preferably a solid powder material, a solid granular material, a pill material, a tablet material, and the solid granular material includes but is not limited to effervescent granules, fast-disintegrating granules, ordinary granules, blocks, amorphous blocks, etc. used in pharmacy, and the liquid material includes a water-based liquid material or a fat-soluble liquid material. For example, the water-based liquid material preferably includes water, an aqueous solution or aqueous suspension of carbohydrates, an aqueous solution or aqueous suspension of plant extracts, animal emulsions, aqueous emulsions of animal milk powder, aqueous solutions of plant proteins or aqueous emulsions of plant proteins, and the like.

[0036] Furthermore, the present invention provides a method for assembling a container closure device and a container, the method comprising: S1: providing the following components, including: a container closure device, a channel seal, and a container having an open container neck; S2: Assembly of the container closure device and the container: fill the material into the cavity structure of the container closure device, seal the channel structure of the container closure device with a channel sealer, and then place the container closure device at the opening of the container neck, so that the second positioning stop buckle of the container neck is connected to the first positioning stop buckle of the container closure device, and the sharp structure of the container neck is located opposite to the recessed chamber structure of the container closure device. By using pressure and utilizing the material deformation of the cover surrounding structure of the container closure device, the first buckle of the container closure device and the second buckle of the container neck are buckled together, and the sharp structure of the container neck is located in the recessed chamber structure of the container closure device, the container closure device and the container can be assembled together to form a packaging container.

[0037] The main body chamber of the container contains a first material, and the container closing device contains a second material. Before the container closing device is installed on the neck of the container, the first material is filled into the main body chamber of the container through the opening of the container.

[0038] Furthermore, by changing the cutting direction of the sharp structure on the neck of the container when it cuts the sealing sheet during screwing, changing the relative position between the supporting and pressing structure and the recessed chamber structure, and changing the initial connection position of the positioning stop buckle, the container closure device of the present invention can change the screwing direction and the screwing release method. For example, preferably, counterclockwise screwing of the container closure device can release the material in the container closure device. If the cutting direction of the sharp structure on the neck of the container when it cuts the sealing sheet during screwing is changed, the relative position between the supporting and pressing structure and the recessed chamber structure is changed, and the initial connection position of the positioning stop buckle is changed, the material can be released by screwing the container closure device clockwise.

[0039] Furthermore, the container closure device and its packaging container and packaging composition provided by the present invention are used in the preparation or packaging and storage of the following products: food or beverages, drinking wine, health food, special medical formula food, medicine, medical device, sanitary product, cosmetics or daily necessities, especially in the packaging and storage of beverages, drinking wine, health food, special medical formula food, medicine, medical device, sanitary product, cosmetics or daily necessities containing liquid materials. For example, the container closure device contains liquid materials, or the container closure device contains solid materials, and the main chamber of the container contains liquid materials, etc.

[0040] Compared with the prior art, the container closure device and packaging container thereof of the present invention have the following innovative features.

[0041] First, the container closure device of the present invention has only one component, which is simple, convenient and easy to operate. The material that is independently sealed in the container closure device can be released into the main chamber of the container by simply twisting the container closure device. Moreover, after the material is released into the main chamber of the container, the packaging container is still in a sealed state as a whole, which meets the requirement that the contents still need to be sealed after mixing and the mixture needs to be further disposed, such as shaking evenly, standing, fermenting, settling, short-term storage or continued storage.

[0042] Secondly, when using the mixture, it is only necessary to open the seal of the channel structure at the rear end of the container closure device without removing the entire container closure device from the neck of the container, which has the advantages of convenience, hygiene and avoidance of cross contamination.

[0043] Thirdly, the container closure device of the present invention is exquisitely designed, properly matched, convenient to use, scientifically and reasonably released, reliable, stable, easy to operate and accurately controlled. When the container closure device and the container neck rotate to a predetermined position, the positioning stop buckles engage with each other to prevent rotation, ensuring that the sealing sheet is opened at a predetermined opening size, so that the material is released at an accurate position, and the opening size of the sealing sheet is controlled when the material is released, with accurate and stable operability and controllability.

[0044] Fourthly, the sealing performance of the container closure device of the present invention is well controlled and stable. The container closure device and the container neck rotate horizontally, and there is no longitudinal displacement between the container closure device and the container neck, which can ensure the sealing state between the container closure device and the container neck; moreover, when the bottle body is shaken to mix the materials evenly, the materials in the bottle body will not spill out of the bottle mouth, which has good operation, manual control and experience.

[0045] Fifthly, the container closure device of the present invention is exquisitely designed. The container closure device has only one component. The sealing performance of the container is only determined by the sealing link between the container closure device and the container neck, which is also the only control link for the sealing performance of the container. It is very beneficial to the control of the sealing performance of the container, and is also beneficial to the production, use conditions, qualification rate, industrial production and commercial application of the container closure device.

[0046] Sixth, the container closure device of the present invention rotates horizontally with the container neck, and no longitudinal displacement occurs between the container closure device and the container neck, thereby ensuring that the sealing between the container closure device and the container remains good and stable; the appearance of the container closure device and the container will not be changed before and after use, and the aesthetic appearance of the container closure device and the container will not be destroyed.

[0047] Seventh, it is easy for industrial mass production. The container closure device has only one component, which is simple in composition. The buckle structure is easy to assemble with the container, and the material filling operation is simple, which is easy to realize industrial mass production. No large buckle force is required during assembly, which avoids the vibration caused by large buckle force and the occurrence of material leakage; and the components are tight and stable after installation.

[0048] Eighth, an anti-theft ring structure is provided at the head end of the cover surrounding structure, so that the container closure device has an anti-theft function when the commercial product is used, and also prevents the container closure device from being accidentally rotated.

[0049] Ninth, the innovative functional structure of the container closure device of the present invention can meet the requirements of sealing, storing and releasing materials in various forms such as solid powder or particles, liquid, amorphous blocks, high-viscosity liquid, soft sticky state, slurry or viscous substances; users can also intuitively feel the different properties of the product materials before and after mixing. BRIEF DESCRIPTION OF THE DRAWINGS

[0050] Figure 1 to Figure 5 : is a schematic diagram of the structure of the container closing device and the packaging container thereof in Example 1 of the present invention, wherein: Figure 1 and Figure 2 is a schematic diagram of the structure of the container closure device, the container, and the threaded cap, which are views from two different directions; Figure 3 are views of the container closure device from two different directions; Figure 4 It is the view of the container from two different directions; Figure 5 is a cross-sectional structural diagram of the container closure device, the container, and the threaded cap assembled together, wherein the container closure device is in a sealed state; Figure 6-7 : is a schematic diagram of the structure of the container closure device and the container in Example 2 of the present invention, wherein: Figure 6 is a schematic diagram of the structure of the container closure device; Figure 7 It is the view of the container from two different directions; Figure 8-Figure 9 1 is a schematic diagram of the structure of the container closure device and the container in Example 3 of the present invention, which are views from two different directions.

[0051] Figure numerals: 1. container closure device; 101. cover surrounding structure; 102. cavity structure; 103. first buckle; 104. first positioning stop buckle; 105. sealing sheet; 106. recessed chamber structure; 107. supporting and pressing structure; 108. thinning connection structure; 109. reserved gap; 110. channel structure; 111. thread of channel structure; 112. close-fitting closed structure; 113. anti-theft ring; 114. first serrated rib; 115. bridge connection; 116. notch; 2. Container; 201. Container neck; 202. Main body chamber; 203. Second buckle; 204. Sharp structure; 205. Second positioning stop buckle; 206. Second serrated rib; 3. Threaded cap; 4. First material; 5. Second material. DETAILED DESCRIPTION

[0052] In the implementation process of the present invention, various embodiments and modifications produced by ordinary technicians in this field without departing from the scope and spirit of the present invention are obvious and easy to carry out. The present invention is further described below through the specific examples of the accompanying drawings, but it does not limit the present invention.

[0053] In addition, the technical solution of the present invention, including the preferred technical solution, is further described in detail by means of the accompanying drawings and by listing some optional embodiments of the present invention. It should be noted that any technical feature and any technical solution in the present embodiment are one or more of a variety of optional technical features or optional technical solutions. In order to describe the need for brevity, this document cannot exhaustively list all the alternative technical features and alternative technical solutions of the present invention, nor is it convenient for each implementation method of the technical feature to emphasize that it is one of the multiple optional implementation methods. Therefore, those skilled in the art should know that any technical feature and any technical solution in the present embodiment do not limit the scope of protection of the present invention, and the scope of protection of the present invention should include any alternative technical solutions that can be thought of by those skilled in the art without creative work.

[0054] Embodiment 1. A container closure device and a packaging container thereof.

[0055] refer to Figure 1 to Figure 5 As shown, the container closure device 1 provided in this embodiment, as well as the container 2 and the threaded cover 3, the threaded cover 3 is used as a channel sealing member of the channel structure 110; Figure 5 This is a cross-sectional structural diagram of the container closure device 1 of this embodiment assembled with the container 2 and the threaded cap 3, wherein the container closure device 1 is in a sealed state. The container closure device 1 comprises a cover surrounding structure 101 and a cavity tube structure 102, wherein the cover surrounding structure 101 and the cavity tube structure 102 are connected together to form an annular structure, a first buckle 103 is arranged on the inner wall of the cover surrounding structure 101, a first positioning stop buckle 104 is arranged on the outer wall of the cavity tube structure 102, the inner space of the cavity tube structure 102 can accommodate materials, a sealing sheet 105 is arranged at the head end of the cavity tube structure 102, a recessed chamber structure 106 and a supporting and pressing structure 107 are arranged on the outer wall of the sealing sheet 105, the recessed chamber structure 106 is recessed from the outer wall of the sealing sheet 105 and protrudes from the inner wall of the sealing sheet 105, and the supporting and pressing structure 107 is arranged in the recessed chamber structure 106 and presents a protruding structure; The portion where the sealing sheet 105 is connected to the inner wall of the head end of the cavity tube structure 102 is provided with an inclined surface structure to reduce its thickness, and then connected to the inner wall of the head end of the cavity tube structure 102 to form a thinned connection structure 108 between the sealing sheet 105 and the cavity tube structure 102. The thickness of the sealing sheet 105 is 0.55 mm to 1.2 mm, preferably 0.75 mm to 0.9 mm, and the thickness of the sealing sheet 105 at the connection point with the inner wall of the head end of the cavity tube structure 102 is 0.08 mm to 0.35 mm, preferably 0.10 mm to 0.3 mm, and most preferably 0.15 mm to 0.25 mm; for example, preferably 0.12 mm, 0.13 mm, 0.17 mm, 0.19 mm, 0.2 mm, 0.22 mm, 0.23 mm, 0.25 mm, 0.28 mm or 0.3 mm; The rear end of the cavity structure 102 is provided with a channel structure 110, the channel structure 110 has an opening, the channel structure 110 is connected to the internal space of the cavity structure 102, and the outer wall of the channel structure 110 is provided with a channel structure thread 111, and a threaded cover 3 is installed on the channel structure 110 to seal the channel structure 110; Further, such as Figure 2 , Figure 3 As shown, the wall portion of the cavity structure 102 connected to the recessed chamber structure 106 is a structure protruding from the inner wall to the outer wall, and a reserved gap 109 is formed between the supporting and pressing structure 107 and the inner wall of the cavity structure 102; Further, such as Figure 2 , Figure 3 As shown, the head end of the cavity-tube structure 102 is connected to the cylinder structure at the sealing piece 105, and its inner wall diameter is smaller than the inner wall diameter of the cylinder structure at other parts of the cavity-tube structure 102; Furthermore, a close-fitting sealing structure 112 is provided on the outer wall of the cavity structure 102, and the close-fitting sealing structure 112 can be in close contact with the inner wall of the container neck 201 to achieve a sealing effect, and when the container closure device 1 and the container neck 201 rotate relative to each other, the sealing effect is maintained; Furthermore, an anti-theft ring 113 is provided at the head end of the cover surrounding structure 101 . The anti-theft ring 113 and the cover surrounding structure 101 are connected together via a bridge connection 115 . A first serrated rib 114 is provided on the inner wall of the anti-theft ring 113 .

[0056] The container 2 has an open container neck 201 and a main body chamber 202, a second buckle 203 is arranged on the outer wall of the container neck 201, a sharp structure 204 and a second positioning stop buckle 205 are arranged on the inner wall of the container neck 201, and a second serrated rib 206 is also arranged on the outer wall of the container neck 201.

[0057] In this embodiment, the container closing device 1 and the container 2 are assembled together to form a packaging container.

[0058] The assembly method of the container closure device 1 and the container 2 comprises: filling the second material 5 into the cavity structure 102 of the container closure device 1, sealing the channel structure 110 of the container closure device 1 with the threaded cap 3, and then placing the container closure device 1 at the opening of the container neck 201, so that the second positioning stop buckle 205 of the container neck 201 is connected with the first positioning stop buckle 104 of the container closure device 1, at this time, the sharp structure 204 of the container neck 201 is in a position directly opposite to the recessed chamber structure 106 of the container closure device 1, and using the pressure effect and the material deformation effect of the cover surrounding structure 101 of the container closure device 1 to make the first positioning stop buckle 104 of the container closure device 1 The buckle 103 is buckled with the second buckle 203 of the container neck 201, and the sharp structure 204 of the container neck 201 is placed in the recessed chamber structure 106 of the container closure device 1, so that the container closure device 1 and the container 2 can be assembled together, so that the container closure device 1 is installed and fixed on the neck of the container 2, and the close contact between the sealing structure 112 and the inner wall of the container neck 201 is achieved to achieve a sealing effect, and the opening of the container neck 201 is sealed to form a packaging container; and the first serrated rib 114 on the inner wall of the anti-theft ring 113 of the container closure device 1 is connected to the second serrated rib 206 provided on the outer wall of the container neck 201. The main chamber 202 of the container 2 contains a first material 4 , and the container closure device 1 contains a second material 5 . Before the container closure device 1 is installed on the container neck 201 , the first material 4 is filled into the main chamber 202 of the container through the opening of the container 2 .

[0059] Functions and structural effects of the container closure device and packaging container of this embodiment: The first positioning stop buckle 104 of the container closure device 1 is connected with the second positioning stop buckle 205 of the container neck 201 to play a positioning role, so that the container closure device 1 and the container neck 201 can be assembled at a preset position, ensuring that the sharp structure 204 of the container neck 201 is in the recessed chamber structure 106 of the container closure device 1, preventing the sharp structure 204 from accidentally piercing the sealing sheet 105, and ensuring that the container closure device 1 and the container neck 201 are in a relatively stable position during and after assembly; the first buckle 103 of the container closure device 1 and the second buckle 203 of the container neck 201 are connected and buckled together, so that the container closure device 1 and the container 2 can be assembled together, and the container closure device 1 and the container neck 201 can rotate relative to each other, but cannot be removed from the container neck 201; When in use, due to the mutual connection and stop effect of the first positioning stop buckle 104 and the second positioning stop buckle 205 at the initial position, the container closure device 1 and the container neck 201 can only rotate relative to each other in one direction. As shown in the structure, the container closure device 1 rotates counterclockwise, and under the interaction of the first serrated rib 114 and the second serrated rib 206, the bridge connection 115 between the anti-theft ring 113 structure and the cover surrounding structure 101 is broken, so that the container closure device 1 plays an anti-theft role; Furthermore, by twisting the container closure device 1 in a counterclockwise direction to rotate with the container neck 201, the sharp structure 204 of the container neck 201 starts to slide from the recessed chamber structure 106 of the container closure device 1, and the sharp structure 204 can cut through the thinned connecting structure 108 of the sealing sheet 105. When the cutting reaches a predetermined position, the first positioning stop buckle 104 and the second positioning stop buckle 205 are engaged again to prevent the container closure device 1 and the container neck 201 from rotating. At this time, the sharp structure 204 and the supporting and pressing structure 107 on the sealing sheet 105 are also engaged with each other and generate a mutual lateral thrust. As shown in the figure, the position and shape of the supporting and pressing structure 107 make the inner side of the sharp structure 204 and the supporting and pressing structure 107 engage with each other. The structures 107 are joined together, and the cut between the sealing sheet 105 and the inner wall of the cavity tube structure 102 is pushed open. At this time, the portion of the sealing sheet 105 that has not been cut and is still connected to the inner wall of the cavity tube structure 102, that is, the portion of the sealing sheet at the recessed chamber structure 106, is still connected to the inner wall of the cavity tube structure 102, so that the sealing sheet 105 uses the portion at the recessed chamber structure 106 as a fixed portion, and the cut of the sealing sheet 105 is pushed into the interior of the cavity tube structure 102. Since the head end of the cavity tube structure 102 is connected to the cylindrical structure of the sealing sheet 105, the inner wall diameter of which is smaller than the inner wall diameter of the cylindrical structure at other portions of the cavity tube structure 102, a larger distance can be generated between the cut of the sealing sheet 105 and the inner wall of the cavity tube structure 102, thereby forming a larger material outlet; Moreover, due to the existence of the reserved gap 109, a larger lever torque is generated when the sharp structure 204 and the supporting and pressing structure 107 are engaged, so that the cutout of the sealing sheet 105 is more conducive to being pushed into the interior of the cavity structure 102, and the sealing sheet 105 is pushed into the cavity structure 102. The process will be greater, thereby forming a larger material outlet, ensuring and facilitating the release of the second material 5 into the container 2 and mixing it with the first material 4 in the container 2 to achieve the effect of mixing and blending. Moreover, after the second material 5 is released into the main chamber 202 of the container 2, the packaging container is still in an overall sealed state. When the mixed material needs to be used, it is only necessary to open the threaded cover 3 at the tail end of the cavity structure 102, and the mixed material can be finally discharged through the channel structure 110 of the container closure device 1 to achieve the purpose of using the mixed material.

[0060] Embodiment 2. A container closure device and a packaging container thereof.

[0061] refer to Figure 6-7 As shown, the container closure device 1, the container 2 and the threaded cap 3 provided in this embodiment are shown. Different from the embodiment 1, the first positioning stop buckle 104 of the container closure device 1 in this embodiment is arranged on the inner wall of the cap surrounding structure 101, and the second positioning stop buckle 205 is arranged on the outer wall of the container neck. Specifically: The container 2 has an open container neck 201 and a main body chamber 202. A second buckle 203 and a second positioning stop buckle 205 are provided on the outer wall of the container neck 201. A sharp structure 204 is provided on the inner wall of the container neck 201. The container closure device 1 comprises a cover surrounding structure 101 and a cavity tube structure 102, wherein the cover surrounding structure 101 and the cavity tube structure 102 are connected together to form an annular structure, a first buckle 103 and a first positioning stop buckle 104 are arranged on the inner wall of the cover surrounding structure 101, the inner space of the cavity tube structure 102 can accommodate materials, a sealing sheet 105 is arranged at the head end of the cavity tube structure 102, a recessed chamber structure 106 and a supporting and pressing structure 107 are arranged on the outer wall of the sealing sheet 105, the recessed chamber structure 106 is recessed from the outer wall of the sealing sheet 105 and protrudes from the inner wall of the sealing sheet 105, the supporting and pressing structure 107 is arranged in the recessed chamber structure 106 and presents a convex structure, and in addition, a notch 116 is arranged on the first buckle 103, and the notch 116 is located adjacent to the first positioning stop buckle 104; The other structures of the container closing device 1 described in this embodiment are the same as those described in the embodiment 1, and can be implemented by referring to and borrowing from the description in the embodiment 1.

[0062] A notch 116 is provided in the first buckle 103 so that the second positioning stop buckle 205 can be inserted into the notch 116 when the container closure device 1 is assembled with the container 2, so that the second positioning stop buckle 205 and the first positioning stop buckle 104 can be accurately positioned and connected.

[0063] In this embodiment, the container closing device 1 and the container 2 are assembled together to form a packaging container.

[0064] The assembly method of the container closure device 1 and the container 2 comprises: filling the second material 5 into the cavity structure 102 of the container closure device 1, sealing the channel structure 110 of the container closure device 1 with the threaded cap 3, and then placing the container closure device 1 at the opening of the container neck 201, so that the second positioning stop buckle 205 of the container neck 201 extends into the notch 116, so that the second positioning stop buckle 205 is connected with the first positioning stop buckle 104, and the sharp structure 204 of the container neck 201 is in a position directly opposite to the recessed chamber structure 106 of the container closure device 1, and pressure is used to seal the channel structure 110 of the container closure device 1. By utilizing the deformation of the material of the cover surrounding structure 101 of the container closure device 1, the first buckle 103 of the container closure device 1 and the second buckle 203 of the container neck 201 are buckled together, and the sharp structure 204 of the container neck 201 is located in the recessed chamber structure 106 of the container closure device 1, the container closure device 1 and the container 2 can be assembled together, so that the container closure device 1 is installed and fixed on the neck of the container 2, and the close contact between the sealing structure 112 and the inner wall of the container neck 201 is closely contacted to achieve a sealing effect, and the opening of the container neck 201 is sealed to form a packaging container; The main chamber 202 of the container 2 contains a first material 4 , and the container closure device 1 contains a second material 5 . Before the container closure device 1 is installed on the container neck 201 , the first material 4 is filled into the main chamber 202 of the container through the opening of the container 2 .

[0065] The functions and structural effects of the container closing device and the packaging container of this embodiment are the same as those described in Embodiment 1, and can be implemented by referring to and borrowing from the description in Embodiment 1.

[0066] Embodiment 3. A container closure device and a packaging container thereof.

[0067] refer to Figure 8 , Fig. 9As shown, the container closure device 1 provided in this embodiment is different from that in the embodiment 1 in that the support and pressure structure 107 provided on the outer wall of the sealing sheet 105 is in a different position and in a different configuration; the other structures of the container closure device 1 are the same as those in the embodiment 1. When in use, the support and pressure structure 107 provided in this embodiment causes the wall of the tail end of the sharp-shaped structure to engage with the support and pressure structure 107, generating a squeezing force on the support and pressure structure 107, and the direction of the squeezing force is directed to the interior of the cavity structure 102, so that the cutout of the sealing sheet 105 is pushed toward the interior of the cavity structure 102.

[0068] The functions and structural effects of the container closing device and the packaging container of this embodiment are the same as those described in Embodiment 1, and can be implemented by referring to and borrowing from the description in Embodiment 1.

[0069] Embodiment 4. For the container closure device 1 and its packaging container in the aforementioned embodiment 1, the inner diameter of the opening of the container neck 201 is 29 mm, and the inner diameter of the tail end of the cavity structure is 25 mm. When the container closure device 1 in the embodiment 1 is produced by an injection mold, the injection gate is set at the center of the inner wall of the sealing sheet 105 of the cavity structure 102.

[0070] A test was conducted to investigate the effect of different injection gate locations on the product qualification rate of the container closure device 1.

[0071] Test method: (1) The injection molding gate of the mold is set at the center of the inner wall of the sealing sheet 105, and the container closure device obtained by injection molding is set as product A. The injection molding gate of the mold is set on the outer wall of the cover structure 101, and the container closure device obtained by injection molding is set as product B. The size, shape, structural form and dimensions, number of mold cavities, etc. of product A and product B are exactly the same. The thickness of the connection between the sealing sheet 105 and the head end of the cavity structure 102 is 0.23mm±0.015mm.

[0072] (2) Product A and Product B are made of the same high-density polyethylene material and have the same injection molding temperature, injection molding pressure, injection molding time, holding time, etc., and 6,000 products A and 6,000 products B are produced respectively. Both injection molded products have complete structures, no glue defects, and no flash.

[0073] (3) Randomly select 500 products A and B, and conduct sealing tests on the key sealing structure between the sealing sheet and the inner wall of the head end of the cavity structure, which is connected by thinning, to determine the product qualification rate.

[0074] (4) Test method: Use a leak and seal strength tester to test, pressurize the container from the tail end of the closure device to 200 kPa, maintain the pressure underwater for 1 minute, and observe whether there is any leakage.

[0075] Test results: 500 products A had 0 air leaks and a 100% sealing pass rate; 500 products B had 239 air leaks and a 52.2% sealing pass rate.

[0076] It can be seen that the injection molding gate of product A is set at the center position of the inner wall of the sealing sheet 105, and the sealing qualification rate of the product reaches 100%. Compared with setting the injection molding gate on the outer wall of the cover structure 101, the sealing qualification rate of the product has a very significant difference.

[0077] Example 5. A packaging composition comprising two independently sealed materials.

[0078] A packaging composition, the packaging composition comprises a container closing device, a container, a first material 4, and a second material 5, wherein the container has an open container neck and a main body chamber, and a second buckle is arranged on the outer wall of the container neck, a sharp structure is arranged on the inner wall of the container neck, and a second positioning stop buckle is arranged on the inner wall or the outer wall of the container neck, the container closing device adopts the container closing device described in any one of Embodiment 1 or Embodiment 2, and the container closing device is installed on the neck of the container to close the opening of the container so that the packaging container is in a sealed state; The first material 4 is in the main chamber of the container, and the second material 5 is in the container closure device; At least one of the first material 4 and the second material 5 is a liquid material, preferably both the first material 4 and the second material 5 are liquids, or the first material 4 is a liquid material and the second material 5 is a solid material, or the first material 4 is a solid material and the second material 5 is a liquid material.

[0079] Example 6. Application.

[0080] The use of any one of the container closure devices, packaging containers or packaging compositions described in Example 1, Example 2 or Example 6 in the preparation or packaging and storage of the following products: food containing liquid ingredients, beverages, drinking wine, health foods, special medical purpose formula foods, ordinary foods, medicines, medical devices, sanitary products, cosmetics or daily necessities.

[0081] It should be understood that, as used herein, the singular form "a" or "an" is intended to include the plural form as well, unless the context clearly supports an exception. It should also be understood that, as used herein, "and / or" refers to any and all possible combinations of one or more of the items listed in association. The serial numbers of the embodiments disclosed in the above embodiments of the present invention are for description only and do not represent the advantages and disadvantages of the embodiments.

[0082] A person skilled in the art should understand that the discussion of any of the above embodiments is only exemplary and is not intended to imply that the scope of the disclosure of the embodiments of the present invention (including the claims) is limited to these examples; under the concept of the embodiments of the present invention, the technical features in the above embodiments or different embodiments can also be combined, and there are many other changes in different aspects of the above embodiments of the present invention, which are not provided in detail for the sake of simplicity. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the embodiments of the present invention should be included in the protection scope of the embodiments of the present invention.

Claims

1. A container closure device that can be fixed to the neck of a container, characterized in that: The container closing device comprises a cover surrounding structure and a cavity tube structure, wherein the cover surrounding structure and the cavity tube structure are connected together to form an annular tube structure; A first buckle is arranged on the inner wall of the cover surrounding structure, a sealing sheet is arranged at the head end of the cavity tube structure, a recessed chamber structure and a supporting and pressing structure are arranged on the outer wall of the sealing sheet, the recessed chamber structure is recessed from the outer wall of the sealing sheet and protrudes from the inner wall of the sealing sheet, and the supporting and pressing structure is a convex structure on the outer wall of the sealing sheet; The portion where the sealing sheet is connected to the inner wall of the head end of the cavity tube structure is provided with an inclined surface structure to reduce its thickness, and then connected to the inner wall of the head end of the cavity tube structure to form a thinned connection structure; A first positioning stop buckle is provided on the outer wall of the cavity structure or the inner wall of the cover structure; A channel structure is provided at the rear end of the cavity tube structure, the channel structure has an opening or is in an opening shape, and the channel structure is connected to the internal space of the cavity tube structure; The container has an open container neck and a main body chamber, a second buckle is arranged on the outer wall of the container neck, a sharp structure is arranged on the inner wall of the container neck, and a second positioning stop buckle is arranged on the inner wall or the outer wall of the container neck; The container closure device can be installed on the container neck by mutually buckling the first buckle and the second buckle of the container neck, the first positioning stop buckle and the second positioning stop buckle can be engaged with each other, and the sharp structure provided on the container neck is in the recessed chamber structure of the container closure device; The container closing device and the container neck can rotate relative to each other.

2. A container closure device that can be fixed to a container neck according to claim 1, characterized in that: When the container closure device and the container neck rotate relative to each other, the sharp structure slides from the recessed chamber structure, and the sharp structure can cut through the thinned connection structure between the sealing sheet and the inner wall of the cavity structure. When the cutting reaches a predetermined position, the first positioning stop buckle and the second positioning stop buckle can engage to prevent the container closure device and the container neck from rotating; The sharp structure can engage with the supporting and pressing structure to generate a lateral thrust or extrusion force on the supporting and pressing structure, pushing the cutout of the sealing sheet toward the inside of the cavity tube structure, or pushing the cutout of the sealing sheet toward the outside of the cavity tube structure.

3. A container closure device that can be fixed to a container neck according to claim 1, characterized in that: The container closure device is prepared by mold injection molding, wherein the injection gate of the container closure device is arranged at the center of the inner wall or the center of the outer wall of the sealing piece of the cavity structure; The thickness of the sealing sheet is 0.55 mm to 1.2 mm; The thickness of the sealing sheet at the connection point with the head end of the cavity tube structure is 0.06 mm to 0.45 mm.

4. A container closure device that can be fixed to a container neck according to claim 1, characterized in that: The head end of the cavity-tube structure is connected to the cylinder structure at the sealing piece position, and the inner wall diameter of the cylinder structure is smaller than the inner wall diameter of the cylinder structure at other positions of the cavity-tube structure.

5. A container closure device that can be fixed to a container neck according to claim 1, characterized in that: The support and pressure structure is arranged in the recessed chamber structure and is in a convex structure; The wall portion of the cavity structure connected to the recessed chamber structure presents a structure protruding from the inner wall to the outer wall, and a reserved gap is formed between the supporting and pressing structure and the inner wall of the cavity structure.

6. A container closure device that can be fixed to a container neck according to claim 1, characterized in that: The container closing device is provided with a recessed chamber structure, a supporting and pressing structure, and a first positioning and stopping buckle; Alternatively, the container closing device is provided with two recessed chamber structures, two supporting and pressing structures, and two first positioning and stopping buckles, wherein the two recessed chamber structures are symmetrically distributed on the sealing sheet, the two supporting and pressing structures are symmetrically distributed on the sealing sheet, and the two first positioning and stopping buckles are symmetrically distributed on the outer wall of the cavity structure or on the inner wall of the cover structure.

7. A container closure device that can be fixed to a container neck according to claim 1, characterized in that: The outer wall of the cavity tube structure is provided with a close-fitting and airtight structure capable of making the cavity tube structure and the inner wall of the container neck airtight; The head end of the cover enclosure structure is provided with an anti-theft ring structure, the anti-theft ring structure is connected to the cover enclosure structure via a bridge or a contact point, and the inner wall of the anti-theft ring structure is provided with serrated ribs.

8. A container, characterized in that: It includes a container closure device that can be fixed to the container neck as described in claim 1, the container has an open container neck and a main chamber, a second buckle is arranged on the outer wall of the container neck, a sharp structure is arranged on the inner wall of the container neck, and a second positioning stop buckle is arranged on the inner wall or the outer wall of the container neck.

9. A packaging container, characterized in that: The packaging container is composed of the container closure device according to claim 1 and a container, the container having an open container neck and a main body chamber, a second buckle capable of being connected and fixed to the container closure device is arranged on the outer wall of the container neck, a sharp structure is arranged on the inner wall of the container neck, and a second positioning stop buckle is arranged on the inner wall or the outer wall of the container neck; The container closing device is installed and fixed on the container neck by the first buckle and the second buckle of the container neck being buckled together.

10. A packaging composition, characterized in that: The packaging composition is composed of two materials and the container closure device and container according to claim 1; The container has an open container neck and a main body chamber, a second buckle is arranged on the outer wall of the container neck, a sharp structure is arranged on the inner wall of the container neck, and a second positioning stop buckle is arranged on the inner wall or the outer wall of the container neck; The container closure device is installed on the container neck by buckling the first buckle with the second buckle of the container neck, and the sharp structure arranged on the container neck is in the recessed chamber structure of the container closure device; The main body chamber of the container contains one material, and the cavity structure of the container closing device contains another material.

11. A method for assembling a packaging container according to claim 9 or a packaging composition according to claim 10, characterized in that: The assembly method comprises: S1: providing the following components, including: a container closure device, a channel seal, and a container having an open container neck; S2: Assembling the container closure device and the container: filling the material into the cavity structure of the container closure device, sealing the channel structure of the container closure device with a channel seal, and then placing the container closure device at the opening of the container neck, so that the second positioning stop buckle of the container neck is connected with the first positioning stop buckle of the container closure device, and the sharp structure of the container neck is located in a position directly opposite to the recessed chamber structure of the container closure device, and using pressure and the material deformation of the cover surrounding structure of the container closure device, the first buckle of the container closure device and the second buckle of the container neck are buckled together, and the sharp structure of the container neck is located in the recessed chamber structure of the container closure device; The main body chamber of the container contains a first material, and the container closing device contains a second material. Before the container closing device is installed on the neck of the container, the first material is filled into the main body chamber of the container through the opening of the container.

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