Container sealing device capable of releasing materials in internal transverse cutting mode, component of container sealing device and packaging composition

Abstract

The utility model relates to the technical field of packaging containers of products, and provides a container sealing device capable of releasing materials in an internally transverse cutting mode, the container sealing device is formed by assembling an inner cover and a control cover together, the inner cover is provided with a first buckle, a first positioning stop blocking buckle, a sealing piece, a supporting and pressing structure and a convex chamber structure, and the inner wall of a surrounding structure of the inner cover is provided with a thread or a clamping and blocking structure; a sharp structure which is in a protruding shape and points to the inner wall of the side wall of the control moving cover is arranged in the control moving cover, and the control moving cover is provided with a second clamping buckle and a second positioning stopping blocking buckle; the container sealing device is mounted at the neck of a container, the sharp structure starts to slide from the convex chamber structure by controlling the mutual rotation between the moving cover and the inner cover, the thinning connecting structure is transversely cut from the interior of the cylindrical enclosure structure of the inner cover to a preset position, and the notch of the sealing piece is pushed to the exterior of the cylindrical enclosure structure, so that the container is sealed. And the materials in the container sealing device are released into the container. In addition, the utility model further provides a packaging container and a packaging composition of the container sealing device.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of packaging containers for products, in particular to a container closure device for releasing materials by internal transverse cutting, and components and packaging containers of the container closure device. BACKGROUND

[0002] In many applications such as mixed packaging of different materials, it is very necessary to release each material into another material shortly before the mixture of various materials is used. It is often impossible or undesirable to store the product in a pre-mixed form, because when the product is stored as a mixture for a period of time, it can undesirably react with each other or cause the quality of the mixture to deteriorate. Common examples are, for example, two or more pharmaceutical components which have better stability and longer shelf life when not mixed than when mixed; for example, for mixed liquid products such as beverage, liquid medicine, special medical use formula food homogenate, liquid cosmetic, liquid reagent, etc., it is necessary to store two or more different materials in the product separately within the shelf life of the product, so as to make it more beneficial to the stability, freshness, functional guarantee or other quality improvement of the product.

[0003] International patent application WO2007 / 129116, international patent application WO2012 / 175934 disclose a container closure device, which is provided with a fluid chamber in the cover member, the opening of the fluid chamber is opened by lifting the transmission plug member of the shell, and then the contents in the cover member are guided into the container; but the above-mentioned technology or other prior art solutions have many shortcomings: (1) the outlet of the material storage and release part is small, which cannot realize the smooth release of solid materials, viscous materials, especially amorphous block materials, larger solid materials or viscous materials; (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 needs to realize more sealing links, and needs to realize various sealing between the container closure device and the container, between the container closure device and the outside, and between the container and the outside, which makes the production and use conditions of the container closure device harsh, the qualified rate is low, the cost of commercial application is high, and it is not conducive to industrialized production and commercialized application; (4) after the release of the material in the container closure device to the bottle body, the closure device can be separated from the bottle body, and at this time, the material in the bottle body has not been completely mixed and uniform, if the material is mixed uniformly by shaking the bottle body, the material will overflow out of the bottle mouth, which is not convenient for the consumer to use, and there is a major defect in the final mixing of the material; (5) the structure of the cover member can only be used to close liquid materials, the plug member provided cannot realize the closure and release of solid materials, and the fluid chamber needs to be pressurized to release the liquid material; (6) due to the existence of the specific plug member, after the release of the contents, there will be a lot of contents remaining in the cover member, which will cause incomplete release of the contents.

[0004] In addition, Chinese patent publication numbers CN117902165A and CN118083344A respectively disclose a container closure device comprising a cover member and a release member, which respectively provide a sealing sheet on the cavity structure of the release member or the cover member, and by screwing the cover member, the longitudinal displacement of the cover member and the release member is caused, the sealing sheet provided on the cavity structure of the release member or the cover member is broken, and then the material is released, that is, the material contained in the container closure device can be released into the container and mixed with other materials in the container to realize the mixing and blending function. However, the technology has the following three problems, the first problem is that the displacement space for the longitudinal displacement of the cover member and the release member is preset between the cover member and the release member, which has the structural feature that the tight sealing between the cover member and the release member and between the release member and the container mouth is defective and flawed, especially when the container closure device is closed on the container neck for a long time, the sealing of the container neck cannot be guaranteed; the second problem is that when the mixture in the container is used, 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; the third problem is that the component provided with the sealing sheet has a very small selection range of high molecular materials, and the hardness, elongation at break and tensile strength need to be limited within a certain range, otherwise the sealing sheet is difficult to be broken, and the use difficulty of the elderly, children, women and other people with small hand screwing force is large, which makes the material selection range, quality control requirement and injection molding production precision requirement very high, which not only seriously affects the quality control requirement of the container closure device, but also limits the industrialized production of the container closure device and limits the application range of the product to the population. Practical new type content

[0005] In order to overcome the deficiencies of the prior art, the utility model provides a new container closure device, which has the functions of sealing, storing and releasing materials, and can be installed at the opening of the container neck to seal the opening of the container neck and form a packaging container. The utility model also provides the constituent members of the container closure device, the packaging container, and provides a packaging composition comprising the container closure device.

[0006] The container comprises a container neck and a main body chamber having an opening, and a thread or a clamping structure is provided on the outer wall of the container neck, for example, a container bottle having an opening and a neck thread, a container bottle having an opening and a neck clamping structure, a packaging bag having an opening and a neck thread, and a packaging bag having an opening and a neck clamping structure;

[0007] The container closure device refers to a device capable of being installed on the neck of a container, closing the opening of the neck of the container to form a packaging container, and containing material in the container closure device, releasing the contained material into the container by screwing the container closure device, and mixing with the material in the container to achieve the effect of mixing and blending the contents at the time of use.

[0008] Specifically, the container closure device adopts the following technical solutions.

[0009] The container closure device comprises an inner cover and a control cover.

[0010] The container has an open container neck and a main body chamber, and the outer wall of the container neck is provided with a thread or a clamping structure.

[0011] The inner cover has a cover surrounding structure and a cylinder surrounding structure, and the cover surrounding structure and the cylinder surrounding structure are connected together to form a ring cylinder structure, the inner wall of the cover surrounding structure is provided with a thread or a clamping structure, and the inner cover is provided with a first clamping buckle and a first positioning stopper.

[0012] The first clamping buckle is arranged at any of the following positions: the outer wall of the cover surrounding structure, the tail end of the cover surrounding structure, or the outer wall of the tail end of the cylinder surrounding structure.

[0013] The first positioning stopper is arranged at any of the following positions: the tail end of the cover surrounding structure, the outer wall of the cover surrounding structure, the tail end of the cylinder surrounding structure, or the inner wall of the cylinder surrounding structure.

[0014] The tail end of the cylinder surrounding structure is in an open shape, the head end of the cylinder surrounding structure is provided with a sealing sheet, and the inner wall of the sealing sheet is provided with a protruding structure in the form of a supporting structure.

[0015] The head end of the cylinder surrounding structure and the part connected with the sealing sheet are provided with a structure in the form of an inclined surface to reduce the thickness, and the head end of the cylinder surrounding structure and the sealing sheet are connected to form a thinned connection structure; such a structure is arranged to enable the head end of the cylinder surrounding structure and the sealing sheet to be connected through a thinned connection structure, which can achieve good sealing effect and facilitate smooth cutting and breaking; preferably, the thickness of the connection part between the head end of the cylinder surrounding structure and the sealing sheet is 0.08mm-0.55mm, preferably 0.1mm-0.45mm, and most preferably 0.2mm-0.4mm; the cylinder surrounding structure can contain material.

[0016] The part connected with the sealing sheet of the cylinder surrounding structure is provided with a convex chamber structure, which is recessed from the inner wall of the head end of the cylinder surrounding structure and protrudes from the outer wall of the head end of the cylinder surrounding structure.

[0017] The control cover is in a cylindrical structure, and a sharp structure is arranged in the control cover, the sharp structure is protruding and points to the inner wall of the side wall of the cylindrical structure of the control cover, and the sharp structure is in a thorn structure or a sharp structure, so as to cut the thinned connecting structure of the cylindrical wall structure of the inner cover, and cut the sealing sheet;

[0018] The sharp structure is connected with the inner wall of the control cover through a sheet structure, an arc sheet structure or a cylindrical structure.

[0019] The control cover is provided with a second buckle and a second positioning stop catch, the second buckle is arranged on the inner wall of the side wall of the control cover, and the second positioning stop catch is arranged on any one of the following positions: the inner wall of the side wall of the control cover, the inner wall of the tail end of the control cover, the outer wall of the sheet structure, the arc sheet structure or the cylindrical structure.

[0020] The control cover and the inner cover can be assembled together to form a container closure device through the mutual buckling of the second buckle and the first buckle, wherein the second positioning stop catch of the control cover and the first positioning stop catch of the inner cover can be connected with each other, and the sharp structure of the control cover is in the convex chamber structure of the inner cover.

[0021] The container closure device can be installed on the neck of the container through the mutual connection of the threads arranged on the inner wall of the cover wall structure and the threads arranged on the outer wall of the neck of the container; or,

[0022] The container closure device can be installed on the neck of the container through the mutual connection of the clamping structures arranged on the inner wall of the cover wall structure and the clamping structures arranged on the outer wall of the neck of the container.

[0023] The tail end of the control cover is in a closed structure.

[0024] Alternatively, the tail end of the control cover is provided with a passage structure, the passage structure has an opening or is in an open structure, the passage structure is communicated with the internal space of the control cover, further, a passage sealing piece is used to seal the opening of the passage structure, the passage sealing piece includes a sealing cover, a sealing film or a sealing plug, after the container closure device of the utility model is installed on the neck of the container to form a packaging container, the material or the mixed material in the packaging container can be in a sealed state, and the mixed material can flow through the passage structure from the main chamber of the container, the passage sealing piece is opened, so that the mixed material can be discharged to the outside of the packaging container, without removing the entire container closure device from the neck of the container, the mixed material can be used, and cross contamination caused by the exposure of the inner core structure of the container closure device to the external environment is avoided.

[0025] In an alternative embodiment, preferably, a threaded or snap structure is arranged on the passage structure of the control cover, and a sealing cover, such as a threaded cover or a pop-up cover, having a threaded or snap structure is installed on the passage structure through the threaded or snap structure, so that the entire packaging container is sealed;

[0026] Alternatively, the sealing film is installed at the tail end of the passage structure by means of adhesion or welding, and is sealed.

[0027] Alternatively, a rubber plug is installed and sealed on the passage structure, and the rubber plug is removed, punctured or pierced when needed, for example, for the sealing of a packaging container for a medicine injection.

[0028] The container closure device of the utility model can be installed on the neck of a container, seals the opening of the neck of the container, forms a packaging container by closing the container, and the control cover and the inner cover can rotate relative to each other.

[0029] The structure and interaction of the container closure device of the utility model are as follows: the sharp structure of the control cover is inserted into the cylindrical structure of the inner cover, the first positioning stopper of the inner cover is connected with the second positioning stopper of the control cover, and the connection serves the purpose of positioning, so that the inner cover and the control cover are assembled at a predetermined position, the sharp structure and the cylindrical structure are kept in a stable position during assembly, the sharp structure is prevented from accidentally puncturing the sealing sheet at the head end of the cylindrical structure, and the inner cover and the control cover are kept in a relatively stable position during and after assembly; the first buckle of the inner cover and the second buckle of the control cover are buckled together by means of pressure and the deformation of the materials of the control cover and the inner cover, so that the inner cover and the control cover are assembled together to form the container closure device of the utility model; at this time, the sharp structure is in the convex chamber structure of the inner cover, and the sharp structure points to the thinned connecting structure of the cylindrical structure.

[0030] The inner cover and the control cover can rotate relative to each other, the cylindrical structure of the inner cover can contain materials, and the materials can be filled into the cylindrical structure of the inner cover before the inner cover and the control cover are assembled together; the filling and storage of the materials is the process of assembling the container closure device, or the materials are filled into the cylindrical structure of the inner cover through the passage structure at the tail end of the control cover after the inner cover and the control cover are assembled together, and the opening of the passage structure is sealed by the passage sealing element, so that the materials are stored in the container closure device.

[0031] In use, by screwing the control cover, the control cover and the inner cover are rotated relative to each other, the sharp structure of the control cover starts to slide from the convex chamber structure, the sharp structure rotates around the cylindrical structure, and the sharp structure has a transverse effect on the thinning connecting structure inside the cylindrical structure, so that the sealing sheet is cut, when the cut reaches a predetermined position, the first positioning stop catch and the second positioning stop catch are engaged with each other, the rotation between the control cover and the inner cover is prevented, and the sharp structure and the supporting structure on the sealing sheet are engaged, so that the sharp structure has a pushing force on the supporting structure, the cut of the sealing sheet is pushed to the outside of the cylindrical structure, a funnel-shaped material outlet is formed, the material in the cylindrical structure can be released into the container and mixed with the material in the container, so that the material in the cylindrical structure is sealed, stored and released; in addition, the cut sealing sheet is still connected to the wall of the convex chamber structure and will not fall off the cylindrical structure.

[0032] When the mixed material needs to be used, the threads on the inner cover and the threads on the neck of the container are unscrewed, and the container sealing device is removed from the neck of the container, so that the mixed material can be used.

[0033] Alternatively, when the mixed material needs to be used, the passage seal at the tail end of the control cover is opened, and the container sealing device is still installed on the neck of the container, so that the mixed material can be used.

[0034] The supporting structure in the convex structure arranged on the inner wall of the sealing sheet comprises a rib-shaped, rib strip-shaped or arc-shaped convex structure arranged on the inner wall of the sealing sheet, or a slope-shaped convex structure arranged on the inner wall of the sealing sheet; when the sharp structure cuts the thinning connecting structure of the cylindrical structure to a predetermined position, the sharp structure and the supporting structure on the sealing sheet are engaged, and a pushing force is generated on the supporting structure, so that the cut of the sealing sheet is pushed to the outside of the cylindrical structure, and the material in the cylindrical structure is smoothly released into the container.

[0035] The container sealing device has a first positioning stop catch arranged on the inner cover, a convex chamber structure arranged on the cylindrical structure, and a supporting structure arranged on the sealing sheet, and correspondingly, the control cover is provided with a second positioning stop catch and a sharp structure, and the above structures can be matched with each other, which is beneficial to production assembly and use experience; after the thinning connecting structure is cut, the sealing sheet can form a funnel-shaped material outlet, which is beneficial to smooth release of the material.

[0036] Or, the container sealing device, the first positioning stopper buckle of symmetry position distribution is provided on the inner cover, the convex chamber structure of symmetry position distribution is provided on the barrel structure, the supporting structure of symmetry position distribution is provided on the sealing sheet, and the second positioning stopper buckle of symmetry position distribution, the sharp structure of symmetry position distribution is provided on the control cover, and the above structure can be matched with each other;Such setting, after the thinning connection structure is cut, the sealing sheet can form two funnel-shaped material outlets, which is beneficial to the smooth release of material.The "symmetry position distribution" of the utility model refers to the position distribution of the structure according to the symmetry structure or array structure with the center axis of the circumferential body structure or circumferential body part as the symmetry axis.For example, the center axis of the cover structure or barrel structure of the inner cover is taken as the symmetry axis, two first positioning stopper buckles, two convex chamber structures and two supporting structures are arranged according to the setting mode of the symmetry structure or array structure, and two second positioning stopper buckles and two sharp structures are arranged according to the setting mode of the symmetry structure or array structure with the center axis of the barrel structure of the control cover as the symmetry axis.

[0037] In addition, by changing the cutting direction of the sharp structure of the control cover to cut the thinning connection structure and changing the relative position between the supporting structure and the convex chamber structure, the container sealing device of the utility model can realize different requirements of screwing release mode, screwing direction, use method and use function, and can meet various forms of industrial filling, cap screwing and assembly requirements.

[0038] The cover structure of the inner cover is inside the control cover, or the cover structure of the inner cover is in the lower part of the control cover, so that the upper and lower structures are formed between the control cover and the cover structure of the inner cover.The mutual position between the cover structure of the inner cover and the control cover not only constitutes the appearance modeling of the container sealing device, but also relates to the use mode of the container sealing device.

[0039] The container sealing device of the utility model needs to realize mutual sealing between various components, parts or structures, which can be realized by close contact between parts or structures, such as the structure of a tight ring, especially the structure of a tight ring on a plastic component in close contact with another component, which utilizes the elastic deformation of plastic material and the close contact of the tight ring structure to achieve the sealing effect between two components or structures in close contact.On the other hand, sealing pads, sealing rings and other sealing materials made of rubber or elastomer high molecular materials can be used for sealing.

[0040] For example, preferably, the tail end of the cylinder surrounding structure of the inner cap or the tail end of the cap surrounding structure is provided with a tight closing ring structure, and the inner wall of the tail end of the control cap is provided with a tight closing ring structure, the tight closing ring structure is in a cylindrical shape, and the tight closing ring structure realizes the sealing effect through the close contact between the walls of the two tight closing rings.

[0041] For another example, the outer wall of the cylinder surrounding structure of the inner cap is provided with a tight closing structure capable of realizing the sealing between the cylinder surrounding structure and the neck of the container, and the tight closing structure is capable of realizing the sealing effect through the close contact between the inner wall of the neck of the container.

[0042] The utility model relates to the concept of the related terms.

[0043] The packaging container refers to the container composition formed after the container closure device is installed on the neck of the container, wherein the main chamber of the container can contain materials, the container closure device can contain another kind of materials, and the two kinds of materials are independent of each other.

[0044] The arc piece structure refers to the piece structure in the shape of an arc surface, or the arc piece structure is part of the cylindrical structure.

[0045] The utility model refers to the concept of the "head end" and "tail end", the container closure device, and various components, structures, parts, devices or settings, the head end of the container closure device refers to the end closest to the bottom of the container when the container closure device is installed on the neck of the container, and the other end of the container closure device is referred to as the tail end.

[0046] The buckle, the positioning stop catch, the clamping structure, the catch rib, the close ring, the supporting structure and the like of the utility model are function structures arranged in the form of rib, rib piece, sheet, sheet body, cylinder and the like, or structures formed by the combination of these forms, for example, the "clamping structure" of the utility model refers to the combined structure of the buckle structure and the catch structure, preferably the structure formed by rib, rib piece or convex-concave structure, which has the function of mutual buckling, jointing and connecting and blocking, the concept of "rib" and "rib piece" refers to the strip or sheet structure arranged for connecting relevant structures or attached to relevant structures, which has the function of reinforcing, stabilizing, supporting, connecting or linking the relevant structures or components, and also has the function of realizing the function of relevant structures, such as saving materials, forming gaps or voids, realizing the structure of material flow channel, forming convex-concave structure, forming catch structure, forming clamping structure and the like, the structure of "rib" includes but is not limited to protruding strip structure, columnar structure and the like, the structure of "rib piece" includes but is not limited to planar sheet structure, arc surface sheet structure (arc sheet structure), curved surface sheet structure, cylindrical sheet structure, sheet structure with angle and the like, the "rib" and "rib piece" can be selectively used according to the function and structure arrangement of the structure where they are located or the structure connected by them to realize their functions, for example, the planar sheet structure has the functions of connecting and fixing, facilitating movement, saving space and forming the structure of material flow channel and the like, the cylindrical sheet structure can make the structure have the functions of connecting and fixing, facilitating rotation and realizing the structure of channel and the like, the sheet structure with angle has the functions of strengthening the stability of the structure where it is located or the structure connected by it and saving space and the like.

[0047] The concepts of "component", "part", "device" and "structure" of the utility model have relevant or similar meanings.

[0048] The "component" refers to the assembly or constituent unit of a product;

[0049] The "part" refers to the unit that can be separated from the product or the component, or the "part" refers to the product unit formed by assembling together, the "component" and the "part" sometimes have the same concept;

[0050] The "device" refers to the product assembled by multiple components or parts, or the "device" refers to the product part that can be installed on the product or the component;

[0051] The "structure" refers to the constituent part of the component, part or structural unit, or the "structure" represents the inherent characteristic form arranged on the component, part or structural unit;

[0052] The "connection" and "linkage" of the utility model are as follows: the "connection" refers to the structural relationship between the same component, or the "connection" refers to the contact, matching, buckling, and bucking between different components; the "linkage" refers to the connection, fixation, and combination of components.

[0053] The "connection" and "linkage" of the utility model are as follows: the "connection" refers to the structural relationship between the same component, or the "connection" refers to the contact, matching, buckling, and bucking between different components; the "linkage" refers to the connection, fixation, and combination of components.

[0054] The container closure device or the packaging container of the utility model can be obtained by assembling, buckling, fixing, bonding, or welding of individual parts, and preferably is an assembly or composition of the structures, or an assembly or composition capable of being assembled. Of course, the container closure device or the packaging container of the utility model, and the components or structures thereof obtained by assembling, fixing, or welding of individual parts can be understood by those skilled in the art, and belong to the protection scope of the utility model.

[0055] In the optional embodiment, the control cover is assembled and fixed together from the separate components of the outer cover structure and the sharp structure to form the control cover.

[0056] It is particularly noted that the container closure device, container, and other components, components, structures, devices, or settings of the utility model can be made of high molecular materials, metals, glass, ceramics, aluminum plastic composite materials, or paper plastic composite materials, or composite functional materials of the above materials, or the container closure device and the packaging container are assemblies of different components made of various materials. Preferably, the container closure device is made of high molecular materials such as plastic, rubber, and plastic materials, or made of metal materials, or made of glass and ceramic materials.

[0057] Another aspect of the utility model also provides a component of the container closure device, i.e., the inner cover and the control cover of the container closure device. The inner cover and the control cover of the container closure device have the technical features described above.

[0058] Preferably, the inner cover and the control cover of the container closure device are made of high molecular materials such as polyethylene (PE) and polypropylene (PP) through injection molding, preferably, the inner cover of the container closure device is made of high molecular materials such as polyethylene (PE) through injection molding, and the control cover is made of high molecular materials such as polypropylene (PP) through injection molding; in particular, when prepared by injection molding, the injection gate of the inner cover is arranged on the inner wall or the outer wall of the sealing sheet, preferably, the injection gate of the inner cover is arranged at the center position of the inner wall or the center position of the outer wall of the sealing sheet, most preferably, the injection gate of the inner cover is arranged at the center position of the inner wall of the sealing sheet.

[0059] Based on the structural characteristics of the inner cover, the inventors found that, under the same conditions of injection molding process, thickness, and structural size of the connection between the first end of the sealing sheet and the barrel structure, the injection gate of the inner cover is arranged at the center position of the inner wall or the center position of the outer wall of the sealing sheet of the barrel structure, and the inner cover prepared by injection molding has a qualified rate of 100% for the key sealing structure between the sealing sheet and the inner wall of the first end of the barrel structure, and when the injection gate of the inner cover is arranged at other positions, the qualified rate of the key sealing structure of the inner cover is less than 50%.

[0060] Further, the utility model also provides a kind of packaging container, which is composed of the container closure device of the utility model mounted in the neck of container with opening. As described above, the container closure device is mounted in the neck of container to form packaging container, before opening packaging container, by rotating control cover, sharp structure and barrel structure of inner cover are rotated with each other, sharp structure cuts thinning connection structure of barrel structure, finally realizes the purpose of material in container closure device from sealing, storage to release deployment;Then, further screwing control cover, container closure device is separated from the neck of container, i.e. the opening of container can be opened, or opening passage seal, mixed material in the main body chamber of container is discharged to achieve the purpose of use, convenient, simple, and easy to industrialized installation, material filling and production.

[0061] In particular, the container closure device and the matching container of the utility model are a mutually matching packaging combination, with special or conventional matching container size, which can provide better product function, experience, material capacity, appearance modeling, etc., for example, preferably:

[0062] The inner diameter of the container opening is 29mm-30.5mm, and the outer diameter of the barrel structure of the inner cover is 28mm-31mm;Or,

[0063] The inner diameter of the container opening is 24.5mm-26mm, and the outer diameter of the cylinder surrounding structure of the inner cover is 23mm-26.5mm; or,

[0064] The inner diameter of the container opening is 21mm-22mm, and the outer diameter of the cylinder surrounding structure of the inner cover is 19mm-22.5mm; or,

[0065] The inner diameter of the container opening is 43mm-44mm, and the outer diameter of the cylinder surrounding structure of the inner cover is 42mm-44.5mm; or,

[0066] The inner diameter of the container opening is 46mm-48mm, and the outer diameter of the cylinder surrounding structure of the inner cover is 45mm-48.5mm.

[0067] Further, the utility model also provides a kind of packaging composition, by two materials, the container closing device and container described in the utility model, wherein the container includes the container neck with opening and main body chamber, and container neck is provided with the thread or the card stop structure capable of being connected with each other with container closing device;The main body chamber of container contains one material, and container closing device contains another material, and two materials are respectively sealed independently, preferably at least one of the two materials is liquid material, preferably the main body chamber of container contains liquid material.

[0068] Further, the utility model provides the assembly method of container closing device, and the assembly method comprises:

[0069] The sharp structure of control cover is inserted into the cylinder surrounding structure of inner cover, so that the second positioning stop catch of control cover is connected with the first positioning stop catch of inner cover, and the sharp structure is located in the opposite position of the convex chamber structure of inner cover, by using the material deformation of control cover and inner cover, the first catch of inner cover and the second catch of control cover are buckled together, and the sharp structure is located in the convex chamber structure of inner cover, so that inner cover and control cover are assembled together to form container closing device.

[0070] Before assembling inner cover and control cover together, material can be filled into the cylinder surrounding structure of inner cover, and the filling and sealing process of material is the assembly process of container closing device, or after assembling inner cover and control cover together, material is filled into the cylinder surrounding structure of inner cover through the channel structure at the tail end of control cover, and the opening of channel structure is sealed by using channel sealing element, so that material is sealed in container closing device.

[0071] Further, the thread on the inner wall of the cover surrounding structure of inner cover is connected with the thread on the outer wall of container neck, so that container closing device is installed on the neck of container.

[0072] Alternatively, the container closure device is installed on the neck of the container by the interlocking of the clamping structure provided on the inner wall of the cover surrounding structure of the inner cover with the clamping structure provided on the outer wall of the neck of the container.

[0073] The main body chamber of the container contains a first material, and the barrel surrounding structure of the container closure device contains a second material, and before the container closure 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.

[0074] Further, the container closure device and the packaging container and the packaging composition provided by the utility model have the following application significances: application in the preparation or packaging storage of the following products: food or drink, drinkable wine, health food, special medical use formula food, ordinary food, medicine, medical device, sanitary product, cosmetic or daily necessity, especially application in the packaging and storage of beverage, drinkable wine, health food, special medical use formula food, ordinary food, medicine, medical device, sanitary product, cosmetic or daily necessity containing liquid material, for example, the container closure device contains liquid material, or the container closure device contains solid material, and the main body chamber of the container contains liquid material.

[0075] The utility model has great significance for the packaging and storage of the above-mentioned products, and has great significance for the packaging and storage of products whose stability in liquid environment is poorer or whose freshness, quality and quality have great influence on the quality of products, such as beverage.

[0076] The technical scheme of the utility model has the following innovative features compared with the prior art.

[0077] Firstly, the container closure device of the utility model has the creative structure of releasing material in cross section, the sealing sheet is a complete plane state, the thinning joint connected with the sealing sheet is in the same horizontal plane, and there is no difference in position height between the sealing sheet and the thinning joint structure, and such structure has the following innovative features:

[0078] (1) The container closure device ensures smooth cutting during use, the sealing sheet after cutting is not deformed and not folded, and the release of the material in the barrel surrounding structure is ensured.

[0079] (2) The reliability of quality control of the sealing property of the thinning joint structure in the injection molding production process is enhanced.

[0080] (3) The thinning connection structure of the barrel structure is cut, the cut of the sealing sheet is pushed to the outside of the barrel structure by the supporting and pressing structure, the sealing sheet is still connected to the wall of the convex chamber structure, a funnel-shaped material outlet is formed, the size of the release opening of the material in the barrel structure is controllable, accurate and stable operation and control are achieved, and the solid material, viscous material, especially amorphous block material, larger solid material or viscous material can be smoothly released into the container;

[0081] (4) In the use process of the container sealing device, the thinning connection structure is opened by the cutting action of the sharp structure, since the sealing sheet is in a complete planar state, the connection part of the thinning connection connected with the sealing sheet is in the same horizontal plane, and there is no difference in position height between the sealing sheet and the thinning connection structure, so that the required screwing force of the sealing sheet is small, the force is uniform and gentle, and the control during the screwing process is good, especially for the old, children, women and other groups with small hand screwing force, which can be easily used.

[0082] Secondly, when the mixture in the container is used, the sealing piece on the opening tail end of the control cover can be selected to be opened, and the whole container sealing device does not need to be taken off from the neck of the container, so that the inner core structure of the container sealing device is prevented from being exposed to the outside of the container and causing cross contamination or accidental contamination of the mixture in the container.

[0083] Thirdly, the container sealing device is provided with the buckle, the positioning stopper, the convex chamber structure, the sealing sheet and the cutting mode of the sealing sheet which are matched with each other and are designed to be exquisite, so that the control cover and the inner cover can be assembled at the pre-set position, the sharp structure of the control cover is in the convex chamber structure of the inner cover, accidental piercing or cutting of the sealing sheet at the first end of the barrel structure is avoided, and industrialized mass production and stable production are facilitated.

[0084] Fourthly, the container sealing device has good use stability and reliability. When used, the control cover is only rotated to make the sharp structure slide from the convex chamber structure and cut the thinning connection structure of the barrel structure, so that the control cover and the inner cover only have horizontal rotation and no longitudinal displacement, the sealing property between the control cover and the inner cover is kept good and stable, the sealing state between the inner cover and the neck of the container is also ensured, and the appearance of the container sealing device is not changed before and after use, and the modeling beauty between the container sealing device and the container is not damaged.

[0085] Fifth, the container closure device of the utility model, the injection molding production of the high molecular material of the control cover and the inner cover is wide in the range of selection, only the control cover adopts the high molecular material with greater hardness than the inner cover, the quality control requirement in the industrialized mass production is easily met, and the container closure device is also beneficial to the wide application.

[0086] Sixth, easy to industrialized mass production. The container closure device has only two components, simple composition, simple material filling operation, easy to realize industrialized mass production, no large pressing force is required during assembly, and the components after installation are tightly and stably arranged.

[0087] Seventh, the container closure device of the utility model can realize different requirements of screwing release mode, screwing direction, use method and use function; and can meet various forms of industrialized filling, cap screwing and assembly requirements. BRIEF DESCRIPTION OF DRAWINGS

[0088] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other embodiments according to the drawings without creative labor.

[0089] Figures 1-4 is a structure schematic view of the container closure device and the packaging container in the embodiment 1 of the utility model, wherein:

[0090] Figure 1 and Figure 2 is a structure schematic view of the inner cover, the control cover and the container of the container closure device, which is a view from two different directions, wherein the control cover is assembled and fixed together by a separate component of the outer cover structure and a separate component of the sharp structure to form;

[0091] Figure 3 is a sectional view of the inner cover;

[0092] Figure 4 is a sectional view of the container closure device and the container assembled together, wherein the cylinder surrounding structure is in a sealed state.

[0093] Figures 5-8 is a structure schematic view of the container closure device and the packaging container in the embodiment 2 of the utility model, wherein:

[0094] Figure 5 and Figure 6 is a structure schematic view of the inner cover, the control cover, the threaded cap and the container of the container closure device, which is a view from two different directions;

[0095] Figure 7 is a sectional view of the container closure device and the threaded cap assembled together, wherein the barrel surrounding structure is in a sealed state.

[0096] Figure 8 is a sectional view of the container closure device and the threaded cap assembled together, wherein the barrel surrounding structure is in a sealed state.

[0097] Figures 9-11 is a sectional view of the container closure device and the threaded cap assembled together, wherein the barrel surrounding structure is in a sealed state.

[0098] Figure 9 and Figure 10 is a sectional view of the container closure device and the threaded cap assembled together, wherein the barrel surrounding structure is in a sealed state.

[0099] Figure 11 is a sectional view of the container closure device and the threaded cap assembled together, wherein the barrel surrounding structure is in a sealed state.

[0100] wherein, Figures 1-11 the marks in the figure are explained as follows:

[0101] 1, inner cover; 101, cover surrounding structure; 102, barrel surrounding structure; 103, thread; 104, first buckle; 105, first positioning stop block; 106, sealing sheet; 107, thinning connection structure; 108, supporting structure; 109, convex chamber structure; 110, first closing ring; 111, third buckle; 112, first clamping block;

[0102] 2, control cover; 201, sharp structure; 202, arc sheet structure; 203, second buckle; 204, second positioning stop block; 205, second closing ring; 206, channel structure;

[0103] 21, threaded cap; 22, easy open cap;

[0104] 3, container; 301, main body chamber; 302, neck thread; 303, fourth buckle; 304, second clamping block;

[0105] 4, first material; 5, second material. DETAILED DESCRIPTION

[0106] In the implementation process of the present application, various implementation schemes and modifications produced by those skilled in the art without departing from the scope and spirit of the present application are obvious and easy to carry out. The following specific embodiments of the drawings further illustrate the present application, but do not represent a limitation of the present application.

[0107] In addition, the technical scheme of the present application, including the preferred technical scheme, is described in further detail by means of the accompanying drawings and some optional embodiments of the present application. It should be noted that any technical feature or technical scheme in the present embodiment is one or several of a plurality of optional technical features or optional technical schemes. In order to describe concisely, all alternative technical features and alternative technical schemes of the present application cannot be listed in the present document, and it is not convenient to emphasize that each implementation mode of the technical feature is one of a plurality of optional implementation modes. Therefore, it should be understood by those skilled in the art that any technical feature and any technical scheme in the present embodiment do not limit the protection scope of the present application, and the protection scope of the present application should include any alternative technical scheme that can be thought of by those skilled in the art without creative labor.

[0108] Embodiment 1. A container closure device, its component parts and its packaging container.

[0109] Reference Figures 1-4 As shown in the drawings, the container closure device provided by the present embodiment comprises an inner cap 1 and a control cap 2, wherein the container 3 has an open container neck and a main body chamber 301, and the outer wall of the neck of the container 3 is provided with a neck thread 302.

[0110] The inner cap 1 has a cap surrounding structure 101 and a barrel surrounding structure 102, and the cap surrounding structure 101 and the barrel surrounding structure 102 are connected together to form a barrel structure. The inner wall of the cap surrounding structure 101 is provided with a thread 103, the outer wall of the tail end of the barrel surrounding structure 102 is provided with a first buckle 104, and the inner wall of the barrel surrounding structure 102 is provided with a first positioning stopper 105.

[0111] As shown in the drawings, the tail end of the barrel surrounding structure 102 is open, the head end of the barrel surrounding structure 102 is provided with a sealing sheet 106, the inner wall of the sealing sheet 106 is provided with a protruding supporting structure 108, and the head end of the barrel surrounding structure 102 is closed by the sealing sheet 106.

[0112] The head end of the barrel surrounding structure 102 and the part connected with the sealing sheet 106 are provided with an inclined surface structure to reduce the thickness, and the reduced thickness connection structure 107 is formed by connecting the sealing sheet 106. Preferably, the thickness of the part where the barrel surrounding structure 102 is connected with the sealing sheet 106 is 0.15mm-0.35mm, for example, preferably 0.17mm, 0.19mm, 0.2mm, 0.22mm, 0.23mm, 0.25mm, 0.28mm or 0.3mm.

[0113] The part where the barrel structure 102 is connected with the sealing sheet 106 is provided with a convex chamber structure 109 which is concave from the inner wall of the head of the barrel structure 102 and convex from the outer wall of the head of the barrel structure 102;

[0114] The tail end of the barrel structure 102 is provided with a first close ring 110.

[0115] The control cover 2 is in a barrel structure, the tail end of the control cover 2 is in a closed form, as shown, the control cover 2 is assembled and fixed together by the separate member of the outer cover structure and the separate member of the sharp structure, through the sawtooth rib structure provided on the inner wall of the outer cover structure and the sawtooth rib structure provided on the sharp structure, the separate member of the outer cover structure and the separate member of the sharp structure are assembled and fixed together to form the control cover 2; the inside of the control cover 2 is provided with a sharp structure 201, the sharp structure 201 is in a protruding form and points to the side wall of the barrel structure of the control cover 2, the sharp structure is in a thorn structure or a sharp structure;

[0116] The sharp structure 201 is connected with the inner wall of the control cover 2 through an arc sheet structure 202;

[0117] The side wall of the control cover 2 is provided with a second buckle 203, the outer wall of the arc sheet structure 202 is provided with a second positioning stop catch 204;

[0118] The control cover 2 and the inner cover 1 can be assembled together to form a container closing device through the second buckle 203 and the first buckle 104, the second positioning stop catch 204 of the control cover 2 and the first positioning stop catch 105 of the inner cover 1 can be connected with each other, and the sharp structure 201 of the control cover 2 is in the convex chamber structure 109 of the inner cover.

[0119] As shown, the container closing device of the embodiment, the inner cover 1 is provided with two first positioning stop catches 105 which are distributed in a symmetrical position, the barrel structure 102 is provided with two convex chamber structures 109 which are distributed in a symmetrical position, the sealing sheet 106 is provided with two supporting structures 108 which are distributed in a symmetrical position, corresponding to this, the control cover 2 is provided with two second positioning stop catches 204 which are distributed in a symmetrical position and two sharp structures 201 which are distributed in a symmetrical position, and the above structures can be matched with each other; such a setting can form two funnel-shaped material outlets of the sealing sheet 106 after the thinning connecting structure 107 is cut, which is beneficial to the smooth release of the material.

[0120] The container sealing device can be connected to the neck thread 302 of the container 3 through the thread 103 provided on the inner wall of the cover structure 101, so that the container sealing device is installed on the neck of the container 3, thereby sealing the container to form a packaging container, and the controllable cover 2 and inner cover 1 can rotate relative to each other.

[0121] The assembly method of the container sealing device in this embodiment includes: filling the second material 5, preferably a liquid material, into the cylindrical structure 102 of the inner cover 1; extending the sharp structure 201 of the control cover 2 into the cylindrical structure 102 of the inner cover 1; connecting the second positioning stop 204 of the control cover 2 with the first positioning stop 105 of the inner cover 1; and positioning the sharp structure 201 in a position directly opposite to the convex structure 109 of the inner cover 1; and using pressure to close the container sealing device by means of the control cover 2 and the inner cover 1. The deformation of the material of the cover 1 causes the first snap 104 of the inner cover 1 to engage with the second snap 203 of the control cover 2, and the sharp structure 201 is positioned within the protruding structure 109 of the inner cover 1, pointing towards the thinning connecting structure 107 of the cylindrical structure 102. Furthermore, the first sealing ring 110 at the tail end of the cylindrical structure 102 fits tightly against the inner wall of the side circumference at the tail end of the control cover 2, sealing the material within the cylindrical structure 102. Thus, the inner cover 1 and the control cover 2 can be assembled together to form a container sealing device.

[0122] Furthermore, the inner wall of the cover structure 101 of the inner cover 1 is provided with a thread 103, which is connected to the neck thread 302 of the container 3, so that the container sealing device is installed in the neck of the container 3.

[0123] The main chamber 301 of the container 3 contains the first material 4, and the cylindrical structure 102 of the container sealing device contains the second material 5. Before the container sealing device is installed on the neck of the container 3, the first material 4 is filled into the main chamber 301 of the container through the opening of the container 3.

[0124] In this embodiment of the container sealing device, the cover structure 101 of the inner cover 1 is located at the lower part of the controllable cover 2.

[0125] In use, by screwing the control cover 2, the control cover 2 and the inner cover 1 are rotated relative to each other, the sharp structure 201 of the control cover 2 starts to slide from the convex chamber structure 109, the sharp structure 201 rotates around the cylindrical structure 102, and the sharp structure 201 produces a transverse effect on the thinned connecting structure 107 inside the cylindrical structure 102, so that the sealing sheet 106 is cut, when the cut reaches the predetermined position, the first positioning stop catch 105 and the second positioning stop catch 204 are engaged with each other, preventing the control cover 2 and the inner cover 1 from rotating relative to each other, and the sharp structure 201 and the supporting structure 108 on the sealing sheet 106 are engaged with each other, so that the sharp structure 201 produces a pushing force on the supporting structure 108, pushing the cut of the sealing sheet 106 to the outside of the cylindrical structure 102, forming two funnel-shaped material outlets, so that the material contained in the cylindrical structure 102 is released into the container 3 and mixed with the material in the container 3, achieving the purpose of sealing, storing and releasing the material in the cylindrical structure 102; in addition, the cut sealing sheet 106 is still connected to the wall of the convex chamber structure 109 and will not fall off the cylindrical structure 102.

[0126] When the mixed material needs to be used, only the threads 103 on the inner cover 1 are unscrewed from the neck threads 302 of the container 3, and the container closure device is removed from the neck of the container, so that the mixed material can be used.

[0127] In addition, it should be noted that, as shown in Figure 2 , Figure 3 and Figure 4 , a groove structure is provided on the outer wall of the sealing sheet 106 of the inner cover 1 between the two convex chamber structures 109, which can facilitate the bending of the sealing sheet 106 at the groove structure when the two sharp structures 201 produce a pushing force on the two supporting structures 108 and push the cut of the sealing sheet to the outside of the cylindrical structure 102, which is beneficial to smoothly form two funnel-shaped material outlets from the two cuts of the sealing sheet.

[0128] In addition, by changing the cutting direction of the sharp structure 201 of the control cover 2 cutting the thinned connecting structure 107, and changing the relative position between the supporting structure 108 and the convex chamber structure 109, the container closure device of the present embodiment can realize different requirements of screwing release mode, screwing direction, use method and use function; and can also meet various forms of industrial filling, cap screwing and assembly requirements.

[0129] Embodiment 2: A container closure device, its constituent components and its packaging container.

[0130] Reference Figures 5-8As shown, the container closure device provided by the embodiment includes an inner cap 1 and a control cap 2, wherein: the container 3 has an open container neck and a main body chamber 301, and the outer wall of the neck of the container 3 is provided with a neck thread 302.

[0131] The inner cap 1 has a cap surrounding structure 101 and a barrel surrounding structure 102, the cap surrounding structure 101 and the barrel surrounding structure 102 are connected together to form a ring barrel structure, the inner wall of the cap surrounding structure 101 is provided with a thread 103, the outer wall of the leading end of the cap surrounding structure 101 is provided with a first buckle 104, and the trailing end of the cap surrounding structure 101 is provided with a first positioning stop catch 105.

[0132] As shown, the trailing end of the barrel surrounding structure 102 is open, the leading end of the barrel surrounding structure 102 is provided with a sealing sheet 106, the inner wall of the sealing sheet 106 is provided with a protruding supporting structure 108, and the sealing sheet 106 makes the leading end of the barrel surrounding structure 102 closed.

[0133] The leading end of the barrel surrounding structure 102 and the part connected with the sealing sheet 106 are provided with a beveled structure to reduce the thickness, and the reduced thickness connection structure 107 is formed by connecting the sealing sheet 106, preferably the thickness of the part connected with the sealing sheet 106 is 0.15mm-0.35mm, for example, preferably 0.17mm, 0.19mm, 0.2mm, 0.22mm, 0.23mm, 0.25mm, 0.28mm or 0.3mm;

[0134] The part connected with the sealing sheet 106 of the barrel surrounding structure 102 is provided with a convex chamber structure 109, which is recessed from the inner wall of the leading end of the barrel surrounding structure 102 and protrudes from the outer wall of the leading end of the barrel surrounding structure 102.

[0135] The trailing end of the barrel surrounding structure 102 is provided with a first tight ring 110.

[0136] As shown, the control cap 2 has a barrel structure, the inside of the control cap 2 is provided with a sharp structure 201, the sharp structure 201 protrudes and points to the inner wall of the side wall of the barrel structure of the control cap 2, and the sharp structure has a thorn structure or a sharp structure.

[0137] The sharp structure 201 is connected with the inner wall of the control cap 2 through an arc sheet structure 202;

[0138] The side wall of the control cap 2 is provided with a second buckle 203, the side wall of the trailing end of the control cap 2 is provided with a second positioning stop catch 204, and the inner wall of the trailing end of the control cap 2 is provided with a second tight ring 205.

[0139] The tail end of the control cover 2 is provided with a channel structure 206, which is in the form of an opening and is communicated with the internal space of the control cover 2, and a threaded structure is arranged on the outer wall of the channel structure 206;

[0140] The control cover 2 and the inner cover 1 can be assembled together to form a container closure device by mutual buckling of the second buckle 203 and the first buckle 104, wherein the second positioning stop catch 204 of the control cover 2 and the first positioning stop catch 105 of the inner cover 1 can be connected with each other, and the sharp structure 201 of the control cover 2 is located in the convex chamber structure 109 of the inner cover.

[0141] As shown in the figure, the container closure device of the embodiment is provided with two first positioning stop catches 105 arranged in symmetrical positions on the inner cover 1, two convex chamber structures 109 arranged in symmetrical positions on the barrel surrounding structure 102, and two supporting and pressing structures 108 arranged in symmetrical positions on the sealing sheet 106, and corresponding thereto, the control cover 2 is provided with two second positioning stop catches 204 arranged in symmetrical positions and two sharp structures 201 arranged in symmetrical positions, and the above-mentioned structures can be matched with each other; such arrangement can form two funnel-shaped material outlets of the sealing sheet 106 after the thinning connecting structure 107 is broken, which is beneficial to the smooth release of the material.

[0142] The container closure device can be connected with the neck thread 302 of the container 3 through the thread 103 arranged on the inner wall of the cover surrounding structure 101, and the container closure device can be installed on the neck of the container 3 to form a packaging container, and the control cover 2 and the inner cover 1 can be rotated relative to each other.

[0143] The assembling method of the container closure device of the embodiment includes the following steps: the sharp structure 201 of the control cover 2 is inserted into the barrel surrounding structure 102 of the inner cover 1, the second positioning stop catch 204 of the control cover 2 is connected with the first positioning stop catch 105 of the inner cover 1, the sharp structure 201 is located in the opposite position of the convex chamber structure 109 of the inner cover 1, the first buckle 104 of the inner cover 1 and the second buckle 203 of the control cover 2 are buckled together by the material deformation of the control cover 2 and the inner cover 1 under the action of pressure, the sharp structure 201 is located in the convex chamber structure 109 of the inner cover 1, the sharp structure 201 points to the thinning connecting structure 107 of the barrel surrounding structure 102, the first close ring 110 arranged at the tail end of the barrel surrounding structure 102 is tightly attached to the second close ring 205 arranged on the inner wall of the tail end of the control cover 2, and the sealing effect is achieved, that is, the inner cover 1 and the control cover 2 are assembled together to form a container closure device.

[0144] Further, the second material 5 is filled into the cylinder surrounding structure 102 of the inner cover 1 through the channel structure 206 at the tail end of the control cover 2, and the opening of the channel structure 206 is sealed by the channel sealing member, i.e. the screw cap 21, so that the material is sealed in the container closure device.

[0145] Further, the inner wall of the cover surrounding structure 101 of the inner cover 1 is provided with the thread 103, which is connected with the neck thread 302 of the container 3, so that the container closure device is installed on the neck of the container 3.

[0146] The main body chamber 301 of the container 3 contains the first material 4, and the cylinder surrounding structure 102 of the container closure device contains the second material 5. Before the container closure device is installed on the neck of the container 3, the first material 4 is filled into the main body chamber 301 of the container through the opening of the container 3.

[0147] In the container closure device of the embodiment, the cover surrounding structure 101 of the inner cover 1 is inside the control cover 2.

[0148] In use, the control cover 2 is screwed, and the control cover 2 and the inner cover 1 rotate relative to each other. The sharp structure 201 of the control cover 2 starts to slide from the convex chamber structure 109, rotates around the cylinder surrounding structure 102, and cuts the thinned connecting structure 107 of the cylinder surrounding structure 102 inside the cylinder surrounding structure 102, so that the sealing sheet 106 is cut. When the cut reaches the predetermined position, the first positioning stopper 105 and the second positioning stopper 204 engage with each other, so that the rotation between the control cover 2 and the inner cover 1 is prevented. Meanwhile, the sharp structure 201 and the supporting structure 108 on the sealing sheet 106 engage with each other, so that the sharp structure 201 pushes the supporting structure 108 on the sealing sheet 106 to the outside of the cylinder surrounding structure 102, and two funnel-shaped material outlets are formed. Thus, the material in the cylinder surrounding structure 102 is released into the container 3, mixed with the material in the container 3, and achieves the purpose of sealing and storing the material in the cylinder surrounding structure 102. In addition, the cut sealing sheet 106 is still connected to the wall of the convex chamber structure 109, and will not fall off from the cylinder surrounding structure 102.

[0149] When the mixed material is needed, the container closure device does not need to be removed from the neck of the container. Only the screw cap 21 is unscrewed, and the mixed material is discharged through the channel structure 206 at the tail end of the control cover 2, so that the mixed material is used.

[0150] In addition, it should be noted that, as Figure 6 and Figure 8As shown, on the outer wall of the sealing sheet 106 of the inner cover 1, at the position between the two convex chamber structures 109, a groove structure is provided. This groove structure can make the sealing sheet 106 easy to bend at the groove structure when the two sharp structures 201 exert a pushing force on the two supporting structures 108 and push the cut of the sealing sheet to the outside of the cylindrical structure 102. This facilitates the smooth formation of two funnel-shaped material outlets from the two cuts of the sealing sheet.

[0151] In addition, by changing the cutting direction of the sharp structure 201 of the control cap 2 and the cutting and thinning connecting structure 107, as well as changing the relative position between the supporting structure 108 and the convex structure 109, the container sealing device of this embodiment can not only achieve different requirements for screwing release method, screwing direction, usage method and usage function, but also meet various forms of industrial filling, capping and assembly requirements.

[0152] Example 3. A container sealing device, its constituent components and its packaging container.

[0153] refer to Figures 9-11 As shown, the container sealing device provided in this embodiment includes an inner cover 1 and a controllable cover 2, wherein: the container 3 has an open container neck and a main body chamber 301, and a blocking structure B is provided on the outer wall of the neck of the container 3, the blocking structure B is composed of a fourth buckle 303 and a second blocking 304.

[0154] The inner cover 1 has a cover structure 101 and a cylindrical structure 102. The cover structure 101 and the cylindrical structure 102 are connected together to form an annular cylindrical structure. A retaining structure A is provided on the inner wall of the cover structure 101. The retaining structure A is composed of a third buckle 111 and a first retainer 112. A first buckle 104 is provided on the outer wall of the first end of the cover structure 101. A first positioning stop buckle 105 is provided on the outer wall of the cover structure 101.

[0155] As shown in the figure, the tail end of the cylindrical structure 102 is open, and the head end of the cylindrical structure 102 is provided with a sealing plate 106. The inner wall of the sealing plate 106 is provided with a protruding support structure 108, and the sealing plate 106 makes the head end of the cylindrical structure 102 closed.

[0156] The first end of the cylindrical structure 102, at the part connected to the sealing sheet 106, has a beveled structure to reduce its thickness, and is then connected to the sealing sheet 106 to form a thinning connection structure 107. Preferably, the thickness of the connection between the cylindrical structure 102 and the sealing sheet 106 is 0.15mm to 0.35mm, for example, 0.17mm, 0.19mm, 0.2mm, 0.22mm, 0.23mm, 0.25mm, 0.28mm or 0.3mm.

[0157] The part where the barrel structure 102 is connected with the sealing sheet 106 is provided with a convex chamber structure 109, which is concave from the inner wall of the head of the barrel structure 102 and convex from the outer wall of the head of the barrel structure 102;

[0158] The tail end of the barrel structure 102 is provided with a first close ring 110.

[0159] As shown in the figure, the control cover 2 is in a barrel structure, and the inside of the control cover 2 is provided with a sharp structure 201, which is protruding and points to the inner wall of the side wall of the barrel structure of the control cover 2, and the sharp structure is in a thorn structure or a sharp structure;

[0160] The sharp structure 201 is connected with the inner wall of the control cover 2 through an arc sheet structure 202;

[0161] The side wall of the control cover 2 is provided with a second buckle 203, the side wall of the tail end of the control cover 2 is provided with a second positioning stop catch 204, and the inner wall of the tail end of the control cover 2 is provided with a second close ring 205;

[0162] The tail end of the control cover 2 is provided with a channel structure 206, which is in an open structure and communicates with the inner space of the control cover 2;

[0163] The control cover 2 and the inner cover 1 can be assembled together to form a container closure device through the mutual buckling of the second buckle 203 and the first buckle 104, wherein the second positioning stop catch 204 of the control cover 2 and the first positioning stop catch 105 of the inner cover 1 can be connected with each other, and the sharp structure 201 of the control cover 2 is in the convex chamber structure 109 of the inner cover.

[0164] As shown in the figure, the container closure device of the embodiment, the inner cover 1 is provided with two first positioning stop catches 105 which are distributed in symmetrical positions, the barrel structure 102 is provided with two convex chamber structures 109 which are distributed in symmetrical positions, and the sealing sheet 106 is provided with two supporting structures 108 which are distributed in symmetrical positions, corresponding to which, the control cover 2 is provided with two second positioning stop catches 204 which are distributed in symmetrical positions and two sharp structures 201 which are distributed in symmetrical positions, and the above structures can be matched with each other; such a structure can form two funnel-shaped material outlets after the thinning connecting structure 107 is cut, which is beneficial to the smooth release of the material.

[0165] The assembling method of the container closure device of the present embodiment comprises: extending the sharp structure 201 of the control cover 2 into the cylindrical structure 102 of the inner cover 1, connecting the second positioning stop catch 204 of the control cover 2 with the first positioning stop catch 105 of the inner cover 1, and positioning the sharp structure 201 opposite to the convex chamber structure 109 of the inner cover 1; using the material deformation of the control cover 2 and the inner cover 1, and making the first catch 104 of the inner cover 1 and the second catch 203 of the control cover 2 mutually engaged together, and positioning the sharp structure 201 in the convex chamber structure 109 of the inner cover 1, and the sharp structure 201 points to the thinned connecting structure 107 of the cylindrical structure 102, and the first close ring 110 and the second close ring 205 are tightly fitted to realize the sealing effect, so as to assemble the inner cover 1 and the control cover 2 together to form the container closure device.

[0166] Further, the second material 5 is filled into the cylindrical structure 102 of the inner cover 1 through the channel structure 206 at the tail end of the control cover 2, and a channel sealing piece, i.e. a pop-up cover 22, is used, preferably a commercially available pop-up cover made of aluminum metal, which can be connected with the channel structure 206, for example, a pop-up cover sealing machine or a pop-up cover sealing tool can be used to install and fix the pop-up cover 22 at the opening of the channel structure 206, and the opening of the channel structure 206 is sealed, so as to seal the material in the container closure device.

[0167] Further, the third catch 111 and the first catch 112 provided on the inner wall of the cover surrounding structure 101 are connected with the fourth catch 303 and the second catch 304 provided on the outer wall of the neck of the container 3 respectively, and the container closure device is installed and fixed on the neck of the container 3, so as to seal the container to form a packaging container, and the control cover 2 and the inner cover 1 can rotate with each other.

[0168] The main body chamber 301 of the container 3 contains the first material 4, and the cylindrical structure 102 of the container closure device contains the second material 5, and before the container closure device is installed on the neck of the container 3, the first material 4 is filled into the main body chamber 301 of the container through the opening of the container.

[0169] The container closure device of the present embodiment is that the cover surrounding structure 101 of the inner cover 1 is inside the control cover 2.

[0170] In use, by screwing the control cover 2, the control cover 2 and the inner cover 1 are rotated relative to each other, the sharp structure 201 of the control cover 2 starts to slide from the convex chamber structure 109, the sharp structure 201 rotates around the cylinder structure 102, and the sharp structure 201 produces a transverse effect on the thinned connecting structure 107 inside the cylinder structure 102, so that the sealing sheet 106 is cut, when the cut reaches the predetermined position, the first positioning stopper 105 and the second positioning stopper 204 are engaged with each other, so that the rotation between the control cover 2 and the inner cover 1 is prevented, and the sharp structure 201 and the supporting structure 108 on the sealing sheet 106 are engaged with each other, so that the sharp structure 201 produces a pushing force on the supporting structure 108, and the cut of the sealing sheet 106 is pushed to the outside of the cylinder structure 102, forming two funnel-shaped material outlets, so that the material in the cylinder structure 102 can be released into the container 3 and mixed with the material in the container 3, achieving the purpose of sealing, storing and releasing the material in the cylinder structure 102; in addition, the cut sealing sheet 106 is still connected to the wall of the convex chamber structure 109 and will not fall off the cylinder structure 102.

[0171] When the mixed material needs to be used, the container closure device does not need to be removed from the neck of the container, and only the easy-to-pull cap 22 needs to be opened, so that the mixed material passes through the passage structure 206 at the tail end of the control cover 2 and is finally discharged to achieve the purpose of using the mixed material.

[0172] In addition, it should be noted that, as shown in Figure 10 the outer wall of the sealing sheet 106 of the inner cover 1, a groove structure is arranged between the two convex chamber structures 109, which can facilitate the bending of the sealing sheet 106 at the groove structure when the two sharp structures 201 produce a pushing force on the two supporting structures 108 and push the cut of the sealing sheet to the outside of the cylinder structure 102, which is beneficial to smoothly realize the formation of two funnel-shaped material outlets by the two cuts of the sealing sheet.

[0173] In addition, by changing the cutting direction of the sharp structure 201 of the control cover 2 cutting the thinned connecting structure 107, and changing the relative position between the supporting structure 108 and the convex chamber structure 109, the container closure device of the embodiment can realize different requirements of screw release mode, screw direction, use method and use function; and can also meet various forms of industrial filling, cap screwing and assembly requirements.

[0174] Example 4: Product qualification rate influence test.

[0175] The inner cover 1 described in Example 2 is used, and an injection mold is used for production, and the injection gate is arranged at the center position of the inner wall of the sealing sheet 106 of the cylinder structure 102.

[0176] Test of the influence of the setting position of the injection gate on the product qualification rate of the inner cap 1.

[0177] Test method: (1) The injection gate of the mold was set at the center position of the inner wall of the sealing sheet 106, and the product produced by injection molding was set as product A. The injection gate of the mold was set on the outer wall of the cap surrounding structure 101, and the product produced by injection molding was set as product B. The size, shape, structure, size, mold cavity number, etc. of product A and product B were completely the same. The thickness of the joint between the first end of the barrel surrounding structure and the sealing sheet was 0.20 mm ± 0.015 mm.

[0178] (2) Product A and product B were both made of the same high-density polyethylene material, and the same injection molding temperature, injection molding pressure, injection molding time, and pressure holding time were used. 5000 products A and 5000 products B were produced respectively. The two injection molded products were complete in structure, had no missing glue, and had no flash.

[0179] (3) 500 products A and 500 products B were randomly taken, and the key sealing structure between the inner wall of the sealing sheet and the first end of the barrel surrounding structure was tested for product sealing, and the product qualification rate was determined.

[0180] (4) Test method: The leakage and sealing strength tester was used for testing. The pressure was applied from the tail end opening of the inner cap product, and the pressure was applied to 200 KPa. The pressure was maintained for 1 min under water, and whether the air leaked was observed.

[0181] Test results: 500 products 1A, 0 air leakage, sealing qualification rate 100%, 500 products B, 287 air leakage, sealing qualification rate 42.6%. As can be seen, the sealing qualification rate of the product reaches 100% when the injection gate of the inner cap is set at the center position of the inner wall of the sealing sheet, and there is a very significant difference in the sealing qualification rate of the product compared with the injection gate set on the outer wall of the cap surrounding structure 101.

[0182] Example 5. Test of the influence of the product qualification rate.

[0183] The inner cap 1 described in Example 2 was used, and the injection gate was set at the center position of the inner wall of the sealing sheet 106 when the injection molding mold was used for production. The test of the influence of the different thicknesses of the joint between the first end of the barrel surrounding structure and the sealing sheet on the product qualification rate of the inner cap 1.

[0184] Test method: (1) the injection molding gate of the mold is set at the center position of the inner wall of the sealing sheet 106, the same high-density polyethylene material is used, the same injection molding temperature, injection molding pressure, injection molding time, holding time, etc. are used, the thickness of the joint between the first end of the barrel structure and the sealing sheet is set to 0.06mm, 0.10mm, 0.15mm, 0.20mm, 0.25mm, 0.30mm, 0.35mm, respectively, with a deviation range of ±0.015mm; 5000 inner cover products are produced respectively, and the injection molded product structure is complete, without glue and without flash.

[0185] (3) Randomly take 500 inner cover products, and test the sealing performance of the joint between the first end of the barrel structure and the sealing sheet by thinning the key sealing structure of the joint, and determine the product pass rate.

[0186] (4) Test method: use a leakage and sealing strength tester to test, pressurize from the tail end opening of the inner cover product to 200KPa, and observe whether it leaks under water pressure for 1min.

[0187] Test results:

[0188] The thickness of the joint between the first end of the barrel structure and the sealing sheet is 0.06mm, the number of leaks is 49, and the sealing pass rate is 90.2%;

[0189] The thickness of the joint between the first end of the barrel structure and the sealing sheet is 0.10mm, the number of leaks is 0, and the sealing pass rate is 100%;

[0190] The thickness of the joint between the first end of the barrel structure and the sealing sheet is 0.15mm, the number of leaks is 0, and the sealing pass rate is 100%;

[0191] The thickness of the joint between the first end of the barrel structure and the sealing sheet is 0.20mm, the number of leaks is 0, and the sealing pass rate is 100%;

[0192] The thickness of the joint between the first end of the barrel structure and the sealing sheet is 0.25mm, the number of leaks is 0, and the sealing pass rate is 100%;

[0193] The thickness of the joint between the first end of the barrel structure and the sealing sheet is 0.30mm, the number of leaks is 0, and the sealing pass rate is 100%;

[0194] The thickness of the joint between the first end of the barrel structure and the sealing sheet is 0.35mm, the number of leaks is 0, and the sealing pass rate is 100%.

[0195] The above are exemplary embodiments disclosed by the present application, but it should be noted that various changes and modifications can be made without departing from the scope of the embodiments disclosed by the present application as defined by the claims. The functions, steps and / or actions of the method claims described herein need not be performed in any particular order. Furthermore, although elements of the embodiments disclosed by the present application can be described or claimed in individual form, unless explicitly restricted, they can also be implemented in multiple forms.

[0196] It should be understood that, as used herein, the singular form "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising", when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof. The embodiment numbers of the embodiments disclosed by the present application are only for description, and do not represent the advantages or disadvantages of the embodiments.

[0197] Those skilled in the art should understand that the above discussion of any of the embodiments is only exemplary, and is not intended to imply that the scope of the embodiments disclosed by the present application (including the claims) is limited to these examples; the technical features in the above embodiments or different embodiments can also be combined, and there are many other variations of the different aspects of the embodiments disclosed by the present application as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the embodiments disclosed by the present application shall be included in the scope of protection of the embodiments disclosed by the present application.

Claims

1. A container sealing device for releasing material through internal transverse cutting, characterized in that: The container has an open container neck and a main body chamber, and the outer wall of the container neck is provided with a threaded or locking structure. The container sealing device includes an inner cover and a controllable cover, wherein: The inner cover has a cover structure and a cylindrical structure. The cover structure and the cylindrical structure are connected together to form an annular structure. The inner wall of the cover structure is provided with a thread or a locking structure. The inner cover is provided with a first buckle and a first positioning stop buckle. The first buckle is disposed at any of the following locations: the outer wall of the cover structure, the tail end of the cover structure, or the outer wall of the tail end of the cylindrical structure; The first positioning stop is located at any of the following positions: the tail end of the cover structure, the outer wall of the cover structure, the tail end of the cylindrical structure, or the inner wall of the cylindrical structure. The tail end of the cylindrical structure is open, and the head end of the cylindrical structure is provided with a sealing plate. The inner wall of the sealing plate is provided with a support structure in the form of a protrusion. The first end of the cylindrical structure and the part connected to the sealing sheet are designed with a bevel to reduce their thickness, and then connected to the sealing sheet to form a thinned connection structure. The part where the cylindrical structure is connected to the sealing sheet is provided with a convex structure, which is recessed from the inner wall of the first end of the cylindrical structure and protrudes from the outer wall of the first end of the cylindrical structure. The control cover has a cylindrical structure, and a sharp structure is provided inside the control cover. The sharp structure is protruding and points towards the inner wall of the cylindrical structure of the control cover. The sharp structure is a spike-like structure or a sharp structure. The sharp structure is connected to the inner wall of the control cover through a plate-like structure, an arc-shaped structure or a cylindrical structure. The control cover is provided with a second buckle and a second positioning stop buckle. The second buckle is provided on the inner wall of the side of the control cover, and the second positioning stop buckle is provided in any of the following positions: the inner wall of the side of the control cover, the inner wall of the tail end of the control cover, and the outer wall of the sheet-like structure, the arc-shaped structure, or the cylindrical structure. The control cover and the inner cover can be assembled together to form a container sealing device by the second buckle and the first buckle engaging with each other. The second positioning stop buckle of the control cover and the first positioning stop buckle of the inner cover can be connected to each other, and the sharp structure of the control cover is located in the convex structure of the inner cover.

2. The container sealing device for internal transverse release of material according to claim 1, characterized in that: The container sealing device can be connected to the outer wall of the container neck via threads provided on the inner wall of the cover structure, thereby installing the container sealing device on the container neck. Alternatively, the container sealing device can be installed on the container neck by means of a locking structure provided on the inner wall of the cover structure and a locking structure provided on the outer wall of the container neck.

3. The container sealing device for internal transverse release of material according to claim 1, characterized in that: The tail end of the control cover is closed; Alternatively, the tail end of the control cover is provided with a channel structure, the channel structure having an opening or being open in shape, the channel structure communicating with the internal space of the control cover.

4. The container sealing device for internal transverse release of material according to claim 1, characterized in that: The control cover and the inner cover can rotate relative to each other. The sharp structure of the control cover can slide from the convex structure of the sealing sheet and cut through the thinning connection structure of the cylindrical structure. When the thinning connection structure is cut to a predetermined position, the first positioning stop and the second positioning stop can engage with each other to prevent the control cover and the inner cover from rotating. Furthermore, the sharp structure can engage with the supporting structure on the sealing sheet to generate a thrust on the supporting structure, pushing the cut of the sealing sheet towards the outside of the cylindrical structure.

5. The container sealing device for internal transverse release of material according to claim 1, characterized in that: The thickness at the junction of the first end of the cylindrical structure and the sealing sheet is 0.1mm to 0.45mm. The inner cover is prepared by injection molding, and the injection gate of the inner cover is located at the center of the inner wall of the sealing sheet or at the center of the outer wall of the sealing sheet.

6. The container sealing device for internal transverse release of material according to claim 1, characterized in that: The inner cover is provided with a first positioning stop buckle, the cylindrical structure is provided with a convex structure, the sealing sheet is provided with a supporting structure, and the control cover is provided with a second positioning stop buckle and a sharp structure. Alternatively, the inner cover may be provided with two first positioning stop buckles that are symmetrically distributed, the cylindrical structure may be provided with two convex chamber structures that are symmetrically distributed, the sealing sheet may be provided with two supporting and pressing structures that are symmetrically distributed, and the control cover may be provided with two second positioning stop buckles and two sharp structures that are symmetrically distributed.

7. The container sealing device for internal transverse release of material according to claim 1, characterized in that: The cover structure of the inner cover is located inside the controllable cover; Alternatively, the cover structure of the inner cover is located below the controllable cover, and the controllable cover and the cover structure of the inner cover form a two-layer structure.

8. An inner cover for a container sealing device, characterized in that: The inner cover has a cover structure and a cylindrical structure. The cover structure and the cylindrical structure are connected together to form an annular structure. The inner wall of the cover structure is provided with a thread or a locking structure. The inner cover is provided with a first buckle and a first positioning stop buckle. The first buckle is disposed at any of the following locations: the outer wall of the cover structure, the tail end of the cover structure, or the outer wall of the tail end of the cylindrical structure; The first positioning stop is located at any of the following positions: the tail end of the cover structure, the outer wall of the cover structure, the tail end of the cylindrical structure, or the inner wall of the cylindrical structure. The tail end of the cylindrical structure is open, and the head end of the cylindrical structure is provided with a sealing plate. The inner wall of the sealing plate is provided with a support structure in the form of a protrusion. The first end of the cylindrical structure and the part connected to the sealing sheet are designed with a bevel to reduce their thickness, and then connected to the sealing sheet to form a thinned connection structure. The thickness at the junction of the first end of the cylindrical structure and the sealing sheet is 0.1mm to 0.45mm. The part where the cylindrical structure is connected to the sealing sheet is provided with a convex structure, which is recessed from the inner wall of the first end of the cylindrical structure and protrudes from the outer wall of the first end of the cylindrical structure. The inner cover is prepared by injection molding, and the injection gate of the inner cover is located at the center of the inner wall of the sealing sheet or at the center of the outer wall of the sealing sheet.

9. The inner cover of the container sealing device according to claim 8, characterized in that: The container has an open container neck and a main body chamber, and the outer wall of the container neck is provided with a threaded or retaining structure. The inner cover can be connected to the outer wall of the container neck via threads on the inner wall of the cover structure, thereby installing the inner cover on the container neck. Alternatively, the inner cover can be connected to the outer wall of the container neck via a locking structure on the inner wall of the cover structure, thereby installing the inner cover on the container neck.

10. A controllable cover for a container sealing device, characterized in that: The control cover has a cylindrical structure, and a sharp structure is provided inside the control cover. The sharp structure is protruding and points towards the inner wall of the cylindrical structure of the control cover. The sharp structure is a spike-like structure or a sharp structure. The sharp structure is connected to the inner wall of the control cover through a plate-like structure, an arc-shaped structure or a cylindrical structure. The control cover is provided with a second buckle and a second positioning stop buckle. The second buckle is provided on the inner wall of the side of the control cover, and the second positioning stop buckle is provided in any of the following positions: the inner wall of the side of the control cover, the inner wall of the tail end of the control cover, and the outer wall of the sheet-like structure, the arc-shaped structure, or the cylindrical structure. The tail end of the control cover is closed, or the tail end of the control cover is provided with a channel structure, the channel structure having an opening or being open, and the channel structure communicating with the internal space of the control cover.

11. A packaging container, characterized in that: The packaging container is composed of the container sealing device and the container as described in claim 1, wherein the container has an open container neck and a main body chamber, and the outer wall of the container neck is provided with a threaded or clamping structure. The container sealing device can be installed on the container neck by connecting the threads provided on the inner wall of the cover structure to the threads provided on the outer wall of the container neck; or, the container sealing device can be installed on the container neck by connecting the locking structure provided on the inner wall of the cover structure to the locking structure provided on the outer wall of the container neck.

12. A packaging composition, characterized in that: The packaging composition comprises two materials, the container closure device of claim 1, and a container, wherein the container includes a container neck with an opening and a main body chamber, and the container neck is provided with a threaded or locking structure that can be interconnected with the container closure device. The container sealing device can be installed in the container neck by connecting the threads provided on the inner wall of the cover structure to the threads provided on the outer wall of the container neck; or, the container sealing device can be installed in the container neck by connecting the locking structure provided on the inner wall of the cover structure to the locking structure provided on the outer wall of the container neck. The main chamber of the container contains one material, and the container closure device contains another material.

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