Combined multifunctional bottle cap for glass bottle

By designing a modular, multifunctional bottle cap, the problem of the single function of existing bottle caps is solved, realizing multiple functions such as sealing, anti-theft, decoration, and promotion, reducing production costs, and improving ease of opening and market competitiveness.

CN121734793APending Publication Date: 2026-03-27PERIKONY (SUZHOU) BOTTLE CAP MFG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-02-03
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing glass bottle caps have limited functionality, lack anti-theft design, cannot meet diverse needs, have high production costs, are not convenient to open, and are difficult to use for promotional purposes and product series design.

Method used

Design a modular multifunctional bottle cap, including a cap body, an anti-theft ring, and a cap cap. It can achieve sealing, anti-theft, decoration, and promotional functions through different combination methods. It adopts an embossed textured structure to increase friction and features replaceable 3D decorative parts and a snap-fit ​​structure.

Benefits of technology

It achieves multi-functional integration, reduces production costs, improves ease of opening, enhances anti-theft security, meets the needs of different sales scenarios, and improves the product's market competitiveness.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a combined type multifunctional bottle cap for a glass bottle, and relates to the technical field of packaging containers. Comprising a bottle cap body, an anti-theft ring and a cap, threads matched with a bottle opening of a glass bottle are arranged on the inner wall of the bottle cap body, a sealing structure is arranged on the portion, located above the threads, of the inner wall of the bottle cap body, the anti-theft ring comprises an upper connecting ring and a lower connecting ring, and a gap is reserved between the upper connecting ring and the lower connecting ring which are connected through a connecting bridge located on the inner side. A first buckle is arranged on the outer wall of the upper connecting ring and used for being connected with the bottle cap body in a clamped mode, a second buckle is arranged on the inner wall of the lower connecting ring and used for being connected with a bottle opening of a glass bottle in a clamped mode, and the cap is connected to the bottle cap body in a clamped mode. The bottle cap is composed of a plurality of parts and can be varied in various combination modes, product sealing and anti-theft safety can be guaranteed, the requirements for promotion, product serialization and packaging grade improvement can be met through customized design, meanwhile, opening convenience is optimized, and enterprise production and inventory cost is reduced.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of packaging containers, in particular to a combined multifunctional bottle cap for glass bottles. BACKGROUND

[0002] The existing bottle caps for glass bottles are mostly single-structure designs, with limited functions. Some bottle caps only have basic sealing functions and lack anti-theft marks, which cannot guarantee the safety of products that have not been opened. Some bottle caps with anti-theft functions have fixed structures and cannot meet the additional needs of promotion and packaging upgrade. Some decorative bottle caps can improve the appearance, but lack anti-theft design and cannot be flexibly adjusted in shape according to product serialization needs. In addition, the existing bottle caps also have deficiencies in opening convenience and structural adaptability. Some bottle caps have smooth surfaces and insufficient friction when the cap is rotated, making it difficult to open. At the same time, the functional modules lack a detachable and combinable design, which cannot meet the diversified needs of enterprises in different sales scenarios (such as regular sales, promotion activities, and high-end product line promotion), resulting in the need for enterprises to design and produce multiple types of bottle caps, increasing production costs and inventory pressure. SUMMARY

[0003] The main purpose of the present application is to provide a combined multifunctional bottle cap for glass bottles to overcome the problems in the prior art.

[0004] To solve the above technical problems, the present application adopts the following technical solutions: A combined multifunctional bottle cap for glass bottles, comprising a bottle cap body, the bottle cap body is threadedly connected with a glass bottle, the inner wall of the bottle cap body is provided with a thread matched with the mouth of the glass bottle, the part above the thread on the inner wall of the bottle cap body is provided with a sealing structure, and the outer side wall of the bottle cap body is provided with a concave-convex texture structure.

[0005] Further, it further comprises an anti-theft ring and a cap, the anti-theft ring comprises an upper connecting ring and a lower connecting ring, a gap is reserved between the upper connecting ring and the lower connecting ring, and the upper connecting ring and the lower connecting ring are connected through a connecting bridge located on the inner side, the outer wall of the upper connecting ring is provided with a first buckle for clamping with the bottle cap body, the inner wall of the lower connecting ring is provided with a second buckle for clamping with the mouth of the glass bottle, and the cap is clamped on the bottle cap body.

[0006] Further, the bottle cap can adopt any one of the following four structures: The first structure is that the bottle cap body is used alone, and a decorative sticker or an anti-theft mark is arranged on the bottle cap body. The second structure is a combination of the bottle cap body and the anti-theft ring, and the anti-theft ring is clamped on the lower inner side of the bottle cap body. The third is the combined structure of the bottle cap body and the cap, wherein the cap is clamped on the upper outer side of the bottle cap body, and the top of the cap is provided with a 3D decoration piece. The fourth is the combined structure of the bottle cap body, the anti-theft ring and the cap, wherein the anti-theft ring and the cap are clamped on the lower inner side and the upper outer side of the bottle cap body respectively, and the top of the cap is provided with a 3D decoration piece.

[0007] Further, the sealing structure comprises a first sealing ring and a second sealing ring, the outer side wall of the first sealing ring is in abutment with the inner side wall of the bottle mouth of the glass bottle, and the inner side wall of the second sealing ring is in abutment with the outer side wall of the bottle mouth of the glass bottle.

[0008] Further, the inner wall of the bottle cap body is provided with a step structure matched with the first buckle near the opening end.

[0009] Further, three arc-shaped grooves are uniformly arranged on the outer side wall of the bottle cap body above the texture structure.

[0010] Further, the width of the arc-shaped groove is 2mm, and the depth is 0.5mm.

[0011] Further, the inner side wall of the cap is provided with a third buckle matched with the arc-shaped groove.

[0012] Further, the top of the cap is provided with a 3D decoration piece or is printed with a plane pattern or a two-dimensional code mark.

[0013] Further, the first buckle and the third buckle are both one-way buckles.

[0014] Compared with the prior art, the present application has the following beneficial effects: (1) Functional diversification: through the combination of the four components (bottle cap body, anti-theft ring and cap), sealing, anti-theft, decoration, promotion and upgrading of packaging level and other multiple functions are realized, which is suitable for different application scenarios such as conventional sales, promotion activities and high-end product lines, and solves the problem of single function of the existing bottle cap; (2) Customization and flexibility: the texture structure on the outer wall of the bottle cap body and the 3D decoration piece on the cap can be customized, supporting product serialization design, and enterprises do not need to produce multiple bottle caps, but can meet different needs through component combination, reducing production and inventory cost by more than 30%; (3) Safety and reliability: the connection bridge fracture structure of the anti-theft ring directly shows whether the bottle body is opened or not, and the anti-theft effect is reliable; the sealing structure of the bottle cap body ensures the sealing property of the product, effectively preventing leakage; (4) Convenient to use: the concave-convex texture structure on the outer side of the bottle cap body increases the friction force, making the cap opening and closing operation more convenient, and improving the user experience; (5) Market competitiveness is improved: the customized 3D decorative piece of the cap can enhance the product recognition, provide emotional value, help promotion, improve the market competitiveness of the product, and help the enterprise expand the sales share. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of embodiment 1 of the application.

[0016] Figure 2 It is a structural schematic diagram of the bottle cap body and the glass bottle after assembly of embodiment 1 of the application.

[0017] Figure 3 It is a structural schematic diagram of embodiment 2 of the application.

[0018] Figure 4 It is a structural schematic diagram of the anti-theft ring of embodiment 2 of the application.

[0019] Figure 5 It is a structural schematic diagram of the combination structure of the bottle cap body and the anti-theft ring and the glass bottle after assembly of embodiment 2 of the application.

[0020] Figure 6 It is a structural schematic diagram of embodiment 3 of the application.

[0021] Figure 7 It is a structural schematic diagram of the cap of embodiment 3 of the application.

[0022] Figure 8 It is a structural schematic diagram of the combination structure of the bottle cap body and the cap and the glass bottle after assembly of embodiment 3 of the application.

[0023] Figure 9 It is a structural schematic diagram of embodiment 4 of the application.

[0024] Figure 10 It is a structural schematic diagram of the combination structure of the bottle cap body, the anti-theft ring and the cap and the glass bottle after assembly of embodiment 4 of the application.

[0025] Figure 11 It is a sectional structural schematic diagram of embodiment 4 of the application.

[0026] BRIEF DESCRIPTION OF DRAWINGS: Bottle cap body 1, thread 11, texture structure 12, first sealing ring 13, second sealing ring 14, step structure 15, arc-shaped groove 16, anti-theft ring 2, upper connecting ring 21, lower connecting ring 22, connecting bridge 23, first buckle 24, second buckle 25, cap 3, third buckle 31, 3D decorative piece 32, glass bottle 4. DETAILED DESCRIPTION

[0027] The technical solution of the present invention will be further described below with reference to the accompanying drawings and embodiments.

[0028] Example 1

[0029] Combination Figures 1 to 2 This embodiment provides a modular multi-functional bottle cap for glass bottles, including a bottle cap body 1. The bottle cap body 1 is threadedly connected to a glass bottle 4. The inner wall of the bottle cap body 1 is provided with a thread 11 that matches the mouth of the glass bottle 4. A sealing structure is provided on the inner wall of the bottle cap body 1 above the thread 11. Specifically, this embodiment adopts a structure where the bottle cap body 1 can be used alone. A decorative sticker or anti-theft mark is set on the bottle cap body 1, which is suitable for basic sealing scenarios.

[0030] When in use, screw the bottle cap body 1 onto the mouth of the glass bottle through the inner wall thread, and the inner top sealing structure will be pressed to achieve a seal; if anti-theft label is required, simply affix a label to the outside of the bottle cap body 1.

[0031] like Figure 1 As shown, the outer wall of the bottle cap body 1 is provided with a textured structure 12, the inner wall of the bottle cap body 1 is provided with a stepped structure 15 near the opening end, and the outer wall of the bottle cap body 1 is provided with three arc-shaped grooves 16 evenly above the textured structure 12. The width of the arc-shaped grooves 16 is 2mm and the depth is 0.5mm.

[0032] The design of textured structure 12 on the outer wall of the bottle cap body 1 enhances aesthetics and increases friction during capping, facilitating easy opening and improving the user experience. The design of three-section arc groove 16 serves both decorative and assembly functions.

[0033] Example 2

[0034] Combination Figures 3 to 5 This embodiment provides a modular multi-functional bottle cap for glass bottles, including a bottle cap body 1 and an anti-theft ring 2. A second configuration is adopted, where the bottle cap body 1 and the anti-theft ring 2 are combined, with the anti-theft ring 2 snapped onto the lower inner side of the bottle cap body 1. The bottle cap body, used in conjunction with the anti-theft ring, provides both sealing and anti-theft identification functions, suitable for typical sales scenarios where ensuring the security of unopened products is crucial.

[0035] like Figure 4As shown, the anti-theft ring 2 includes an upper connecting ring 21 and a lower connecting ring 22, which are connected by a connecting bridge 23 located on the inner side and have a gap therebetween, and the outer wall of the upper connecting ring 21 is provided with a first buckle 24 for clamping with the bottle cap body 1, and the inner wall of the lower connecting ring 22 is provided with a second buckle 25 for clamping with the bottle mouth of the glass bottle 4. Specifically, the first buckle 24 matches the step structure 15 to realize the connection between the bottle cap body 1 and the anti-theft ring 2, and the first buckle 24 is a one-way buckle.

[0036] In use, the anti-theft ring 2 is assembled with the bottle cap body 1 first, and then is screwed on the bottle mouth of the glass bottle 4 as a whole; when opening, the bottle cap body 1 is rotated counterclockwise, the connecting bridge 23 of the anti-theft ring 2 is broken, at this time, the upper connecting ring 21 is in a clamped state with the bottle cap body 1, the lower connecting ring 22 is in a clamped state with the glass bottle 4, the upper connecting ring 21 and the lower connecting ring 22 are separated, the upper connecting ring 21 leaves the glass bottle 4 with the bottle cap body 1, and the lower connecting ring 22 remains at the bottle mouth of the glass bottle 4, indicating that the bottle body has been opened.

[0037] Specifically, the anti-theft ring 2 adopts an embedded structure and is connected with the bottle cap body 1 through a one-way buckle, and the one-way buckle adopts an inverted buckle structure. When assembling the anti-theft ring 2, the anti-theft ring 2 is sleeved from the lower part of the bottle cap body 1, is aligned with the reserved step structure 15, is pressed to make the one-way buckle clamped in the step, the inverted buckle structure is locked, the fixing of the anti-theft ring and the bottle cap body is completed, and at this time, the two cannot be disassembled.

[0038] When the anti-theft ring 2 is embedded from the lower part of the bottle cap body 1 and clamped in the reserved step structure through the one-way buckle, the inverted buckle structure ensures that the anti-theft ring cannot be disassembled after assembly (unless the anti-theft ring is damaged), and when the anti-theft ring is screwed to the threaded bottle mouth of the glass bottle 4, the connecting bridge is broken when the bottle is opened, directly showing that the bottle body has been opened, realizing the anti-theft identification function, and the color of the anti-theft ring 2 can be customized according to the product series requirements of the customer.

[0039] Embodiment 3

[0040] In combination Figures 6 to 8 , the embodiment provides a combined multifunctional bottle cap for a glass bottle. The bottle cap body 1 is combined with the cap 3, and at this time, the cap 3 is clamped on the upper outer side of the bottle cap body 1, and the top of the cap 3 is provided with a 3D decorative piece 32. The combined structure has the functions of sealing, decoration, promotion and upgrading, and is suitable for promotion activities or middle-end product packaging.

[0041] As Figure 7 shown, the inner side wall of the cap 3 is provided with a third buckle 31 matched with the arc-shaped groove 16, and the third buckle 31 is a one-way buckle.

[0042] In this embodiment, the 3D decorative piece 32 on the top of the cap 3 can be replaced by a flat printed pattern or a two-dimensional code mark, and still connected with the cap body through the one-way buckle to realize the function of delivering promotional information. The 3D decorative piece 32 can be designed in the form of a cartoon, a zodiac animal or a brand mascot. The 3D design meets the needs of product promotion, packaging upgrade and product serialization, and realizes the "changeable" effect.

[0043] In use, the cap 3 is assembled with the cap body 1 first, and then screwed onto the mouth of the glass bottle 4. The upper part of the cap 3 realizes the decoration and promotion effect, and improves the product grade. Alternatively, the cap body 1 is screwed onto the mouth of the glass bottle, and then the cap 3 is assembled.

[0044] Specifically, when assembling the cap, the one-way buckle on the lower part of the cap is aligned with the three-arc-shaped groove 16 on the cap body, and the buckle is completely embedded in the groove by vertical pressing to realize the fixation of the cap and the cap body. At this time, the cap and the cap body cannot be disassembled.

[0045] Embodiment 4

[0046] In combination Figures 9 to 11 , the present embodiment provides a combined multifunctional bottle cap for a glass bottle, which comprises a cap body 1, an anti-theft ring 2 and a cap 3. The cap body 1, the anti-theft ring 2 and the cap 3 are combined, and at this time the anti-theft ring 2 and the cap 3 are respectively connected to the inner side of the lower part and the outer side of the upper part of the cap body 1, and the top of the cap 3 is provided with a 3D decorative piece 32. This combined structure has multiple functions of sealing, anti-theft identification, promotion and packaging upgrade, and is suitable for high-end products or promotion scenarios that need to be fully protected.

[0047] In use, the anti-theft ring 2, the cap 3 and the cap body 1 are assembled in sequence, and are screwed onto the mouth of the glass bottle 4, so that they simultaneously have the functions of sealing, anti-theft, promotion and grade improvement. When opened, the connecting bridge breaks and the anti-theft mark is clear.

[0048] In this embodiment, the cap body 1, the anti-theft ring 2 and the cap 3 are all made of food-grade PE plastic material and are prepared by injection molding process.

[0049] As shown in Figure 11 , the sealing structure comprises a first sealing ring 13 and a second sealing ring 14. The outer side wall of the first sealing ring 13 abuts and fits with the inner side wall of the mouth of the glass bottle 4, and the inner side wall of the second sealing ring 14 abuts and fits with the outer side wall of the mouth of the glass bottle 4. Specifically, the sealing is realized by the extrusion effect during screwing. The thickness of the sealing structure matches the standard of the glass bottle thread mouth, ensuring the sealing property of the product and effectively preventing leakage.

[0050] Through the scheme of the present application, the technical problems of the prior art that the glass bottle cap has single function, cannot flexibly take into account multiple core needs such as sealing and anti-theft, promotion and propaganda, product serialization, packaging level improvement, and convenient opening, and lacks anti-mistaken-drinking design in multiple-person scenarios and mold traceability identification in the production process are solved.

[0051] The bottle cap not only can guarantee product sealing performance and anti-theft safety, meet the needs of promotion and propaganda, product serialization, and packaging level improvement through customized design, and optimize opening convenience and reduce enterprise production and inventory costs, but also can effectively avoid the risk of mistaken drinking in multiple-person scenarios through engraving a differentiated pattern on the outside of the anti-theft ring, and the pattern can be used as a mold cavity number during production to realize precise traceability in the production process, further improving the practicality of the product and the production management efficiency.

[0052] The above is only a preferred embodiment of the present application, and does not limit the technical scope of the present application in any way, so any slight modification, equivalent change, and modification of the above embodiment according to the technical essence of the present application still falls within the scope of the technical solution of the present application.

Claims

1. A modular multi-functional bottle cap for glass bottles, characterized in that, The bottle cap body (1) is threadedly connected to the glass bottle (4). The inner wall of the bottle cap body (1) is provided with a thread (11) that matches the bottle mouth of the glass bottle (4). A sealing structure is provided on the inner wall of the bottle cap body (1) above the thread (11). The outer wall of the bottle cap body (1) is provided with a textured structure (12) with concave and convex shapes.

2. The modular multi-functional bottle cap for glass bottles as described in claim 1, characterized in that, It also includes an anti-theft ring (2) and a cap (3). The anti-theft ring (2) includes an upper connecting ring (21) and a lower connecting ring (22). A gap is reserved between the upper connecting ring (21) and the lower connecting ring (22) and they are connected by a connecting bridge (23) located on the inner side. The outer wall of the upper connecting ring (21) is provided with a first buckle (24) for engaging with the bottle cap body (1). The inner wall of the lower connecting ring (22) is provided with a second buckle (25) for engaging with the bottle mouth of the glass bottle (4). The cap (3) is engaged with the bottle cap body (1).

3. The combined multifunctional bottle cap for glass bottles as described in claim 1, characterized in that, The bottle cap can adopt any one of the following four structures: The first type is a structure for the bottle cap body (1) to be used alone, with decorative stickers or anti-theft markings provided on the bottle cap body (1); The second type is a combination structure of the bottle cap body (1) and the anti-theft ring (2), in which the anti-theft ring (2) is snapped into the lower inner side of the bottle cap body (1); The third type is a combination structure of the bottle cap body (1) and the cap (3). In this case, the cap (3) is snapped onto the upper outer side of the bottle cap body (1), and the top of the cap (3) is provided with a 3D decorative piece (32). The fourth type is a combination structure of the bottle cap body (1), the anti-theft ring (2) and the cap (3). In this case, the anti-theft ring (2) and the cap (3) are respectively attached to the lower inner side and the upper outer side of the bottle cap body (1). The top of the cap (3) is provided with a 3D decorative part (32).

4. The modular multi-functional bottle cap for glass bottles as described in claim 2, characterized in that, The sealing structure includes a first sealing ring (13) and a second sealing ring (14). The outer side wall of the first sealing ring (13) abuts against the inner side wall of the bottle mouth of the glass bottle (4), and the inner side wall of the second sealing ring (14) abuts against the outer side wall of the bottle mouth of the glass bottle (4).

5. A modular multi-functional bottle cap for glass bottles as described in claim 2, characterized in that, The inner wall of the bottle cap body (1) near the opening end is provided with a stepped structure (15) that matches the first buckle (24).

6. A modular multifunctional bottle cap for glass bottles as described in claim 2 or 5, characterized in that, Three arc-shaped grooves (16) are evenly arranged on the outer wall of the bottle cap body (1) above the texture structure (12).

7. A modular multifunctional bottle cap for glass bottles as described in claim 6, characterized in that, The arc-shaped groove (16) has a width of 2 mm and a depth of 0.5 mm.

8. A modular multifunctional bottle cap for glass bottles as described in claim 6, characterized in that, The inner wall of the cap (3) is provided with a third buckle (31) that engages with the arc groove (16).

9. A modular multi-functional bottle cap for glass bottles as described in claim 8, characterized in that, The top of the cap (3) is provided with a 3D decorative piece (32) or printed with a flat pattern or a QR code.

10. A combined multifunctional bottle cap for glass bottles as described in claim 8, characterized in that, Both the first buckle (24) and the third buckle (31) are unidirectional buckles.