Multi-sealing bottle cap
By designing a multi-layered sealing cap, utilizing a multi-seal structure consisting of an inner cap, valve plate, valve core, glass beads, and inner stopper, the problem of poor sealing in existing wine bottle caps is solved, achieving a sealing effect for long-term storage.
Patent Information
- Application Number
- CN202511090451.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-05
- Publication Date
- 2025-11-07
Smart Images

Figure CN120903121A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of bottle caps, in particular to a multi-sealing bottle cap. BACKGROUND
[0002] The bottle cap of a wine bottle is usually composed of an outer cap assembly and an inner plug assembly arranged in the outer cap assembly, which plays a sealing role. However, the existing bottle cap of a wine bottle often has poor sealing effect, and is prone to wine seepage or leakage, which affects the quality of the wine.
[0003] Therefore, how to improve the sealing performance of the bottle cap is a technical problem to be solved. SUMMARY
[0004] In view of the above problems, the present application provides a multi-sealing bottle cap, which has multiple sealing structures and good sealing effect.
[0005] To solve the above problems, the technical scheme adopted by the present application is as follows:
[0006] On the one hand, the present application provides a multi-sealing bottle cap, which comprises a bottle mouth arranged outside a bottle opening and an inner cap encapsulated outside the bottle mouth, a valve piece is press-fitted in the inner cap, and the inner cap and the valve piece are tightly attached to form a first sealing area.
[0007] The lower end of the valve piece is press-fitted into a valve core, the lower end of the valve core is provided with a glass bead, an inner plug is sleeved on the bottle opening, the inner plug is located in the bottle mouth, and the upper part of the inner plug and the valve core are tightly attached to form a second sealing area.
[0008] The middle part of the inner plug and the bottle opening are tightly attached to form a third sealing area.
[0009] The lower part of the inner plug and the glass bead are tightly attached to form a fourth sealing area.
[0010] In a possible implementation manner of the present application, a lower sleeve is press-fitted on the bottle opening, an upper cap is press-fitted on the lower sleeve, and the inner cap is located inside the upper cap.
[0011] In a possible implementation manner of the present application, the number of glass beads is one or more.
[0012] In a possible implementation manner of the present application, the inner cap comprises a vertically arranged protruding part, the valve piece comprises a horizontally arranged horizontal part, and the protruding part and the horizontal part are tightly attached.
[0013] In a possible implementation manner of the present application, the inner plug comprises a vertically arranged first part, and the first part is located inside the bottle mouth.
[0014] In a possible implementation of the present application, the inner plug comprises a second part obliquely arranged towards the valve core, and the second part is tightly fitted with the valve core.
[0015] In a possible implementation of the present application, the inner plug comprises a third part vertically arranged, and the third part is located at the inner side of the bottle mouth and is tightly fitted with the bottle mouth.
[0016] In a possible implementation of the present application, the inner plug comprises a fourth part obliquely arranged towards the glass ball, and the fourth part is tightly fitted with the glass ball.
[0017] In another aspect, the present application provides a bottle comprising the multi-seal bottle cap of the first aspect.
[0018] The present application has the beneficial effect that the sealing performance is enhanced by the valve core and the valve piece, and the four-leak-proof structure is designed, so that the sealing effect is good and the bottle cap can be stored for a long time. First, the first sealing is formed by the valve piece and the inner cap; second, the second sealing is formed by the inner plug being clamped into the groove of the valve core; third, the third sealing is formed by the inner plug sealing surface being tightly fitted with the bottle mouth; and finally, the fourth sealing is formed between the glass ball and the inner plug by the valve core pressing against the glass ball. The sealing performance of the bottle cap is greatly improved by the four-sealing structure, the sealing function is enhanced, and long-term storage is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 The figure is a structural schematic diagram of the present application;
[0020] Figure 2 The figure is a sealing schematic diagram of the present application;
[0021] Figure 3 The figure is a structural schematic diagram of another embodiment of the present application;
[0022] Figure 4 The figure is a structural schematic diagram of another embodiment of the present application;
[0023] In the figure: 1 upper cap, 2 inner cap, 3 valve piece, 4 valve core, 5 bottle nozzle, 6 inner plug, 7 glass ball, 8 lower sleeve, 9 bottle mouth, 10 first sealing area, 11 second sealing area, 12 third sealing area, 13 fourth sealing area, 21 protruding part, 31 horizontal part, 61 first part, 62 second part, 63 third part, 64 fourth part. DETAILED DESCRIPTION
[0024] The technical solutions of the present application will be described clearly and completely in the following with reference to the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative effort belong to the scope of the present application. In the description of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be direct connection, can also be indirect connection through an intermediate medium, can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0025] The multi-seal bottle cap provided by the embodiment will be described in further detail below with reference to the drawings. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.
[0026] Please refer to Figure 1 , and in combination with Figure 2 , a multi-seal bottle cap, comprising a bottle mouth 5 arranged outside a bottle mouth 9 and an inner cap 2 encapsulated outside the bottle mouth 5, the inner cap 2 is press-fitted with a valve piece 3, the inner cap 2 and the valve piece 3 are tightly fitted to form a first sealing area 10, the lower end of the valve piece 3 is press-fitted into a valve core 4, the lower end of the valve core 4 is provided with a glass bead 7, the bottle mouth 9 is sleeved with an inner plug 6, the inner plug 6 is located in the bottle mouth 5, the upper part of the inner plug 6 and the valve core 4 are tightly fitted to form a second sealing area 11, the middle part of the inner plug 6 and the bottle mouth 9 are tightly fitted to form a third sealing area 12, and the lower part of the inner plug 6 and the glass bead 7 are tightly fitted to form a fourth sealing area 13.
[0027] Specifically, as Figure 1 shown, and in combination with Figure 2 , a multi-seal bottle cap, comprising a bottle mouth 5 arranged outside a bottle mouth 9 and an inner cap 2 encapsulated outside the bottle mouth 5, the inner cap 2 is press-fitted with a valve piece 3, the lower end of the valve piece 3 is press-fitted into a valve core 4, the lower end of the valve core 4 is provided with a glass bead 7, the bottle mouth 9 is sleeved with an inner plug 6, the inner plug 6 is located in the bottle mouth 5, the upper part of the inner plug 6 and the valve core 4 are tightly fitted to form a second sealing area 11, the middle part of the inner plug 6 and the bottle mouth 9 are tightly fitted to form a third sealing area 12, and the lower part of the inner plug 6 and the glass bead 7 are tightly fitted to form a fourth sealing area 13.
[0028] As Figure 2As shown, in the first sealing zone 10, the inner cover sealing sheet, after being internally compressed with an interference fit, enhances the sealing function under the support of the outer diameter of the valve plate, ensuring long-term storage. Simultaneously, the inner cover sealing sheet undergoes plastic solidification under long-term sealing, ensuring the valve plate maintains its sealing function even during secondary resealment. In the second sealing zone 11, the inner plug sealing sheet seals against the inside and outside of the valve core groove under strong pressure. In the third sealing zone 12, the inner plug sealing surface enhances the sealing function under the strong support of the valve core, ensuring long-term storage. In the fourth sealing zone 13, the glass bead, through the connection between the valve plate and the valve core, forms a strong pressure interference seal with the inner plug opening.
[0029] As can be seen, the embodiments of this application enhance the sealing performance through two components: the valve core and the valve plate. Compared with the prior art, the design features a four-fold leak-proof structure, resulting in a superior sealing effect and enabling long-term storage. First, the valve plate and the inner cap form the first seal; second, the inner plug is inserted into the groove of the valve core, forming the second seal; third, the inner plug's sealing surface adheres to the bottle opening, forming the third seal; finally, the valve core presses against the glass bulb, creating a fourth seal between the glass bulb and the inner plug. This four-fold sealing structure significantly improves the bottle cap's sealing performance, enhances the sealing function, and ensures long-term storage.
[0030] In one optional embodiment, a lower sleeve 8 is pressed onto the bottle opening 9, and an upper cover 1 is pressed onto the lower sleeve 8, with the inner cover 2 located inside the upper cover 1.
[0031] Specifically, such as Figure 3 As shown, a lower sleeve 8 is press-fitted and fixed to the outer periphery of the bottle mouth 9. The upper outer edge of the lower sleeve 8 is press-fitted and fixed to the upper cover 1 through a ring buckle structure. The inner cover 2 is coaxially disposed in the inner cavity of the upper cover 1 and is limited by the inner wall of the upper cover 1 to prevent axial dislodgement.
[0032] In one alternative implementation, the number of glass beads 7 is one or more.
[0033] Specifically, the number of glass beads 7 can be adjusted according to the usage scenario, and this application does not limit this. One or more glass beads are within the protection scope of this application.
[0034] In one alternative embodiment, the inner cover 2 includes a vertically arranged protrusion 21, and the valve plate 3 includes a horizontally arranged horizontal portion 31, with the protrusion 21 and the horizontal portion 31 closely fitted together.
[0035] Specifically, such as Figure 4 As shown, the inner cover 2 includes a vertically arranged protrusion 21, and the valve plate 3 includes a horizontally arranged horizontal portion 31. The protrusion 21 and the horizontal portion 31 fit tightly together. The horizontally arranged horizontal portion 31 of the valve plate 3 can prevent splashing when opening the lid and pouring wine.
[0036] In an alternative embodiment, the inner plug 6 comprises a first portion 61 arranged vertically, which is located inside the bottle mouth 5.
[0037] In an alternative embodiment, the inner plug 6 comprises a second portion 62 arranged obliquely towards the valve core 4, which is tightly fitted between the valve core 4.
[0038] In an alternative embodiment, the inner plug 6 comprises a third portion 63 arranged vertically, which is located inside the bottle mouth 9, and is tightly fitted between the bottle mouth 9.
[0039] In an alternative embodiment, the inner plug 6 comprises a fourth portion 64 arranged obliquely towards the glass ball 7, which is tightly fitted between the glass ball 7.
[0040] It can be seen that the application enhances the sealing performance through the valve core and valve piece two components, and has four leakproof structures, good sealing effect, and long-term storage. First, the valve piece and the inner cover form the first sealing; second, the inner plug is clamped into the groove of the valve core to form the second sealing; third, the inner plug sealing surface is tightly fitted between the bottle mouth to form the third sealing; and finally, the valve core presses against the glass ball to form the fourth sealing between the glass ball and the inner plug. The application greatly improves the sealing performance of the bottle cap through the four sealing structures, enhances the sealing function, and ensures long-term storage.
[0041] On the other hand, the application provides a bottle comprising the multi-sealing bottle cap of the first aspect.
[0042] Specifically, the application does not limit the use of the bottle, and the bottle such as a wine bottle or a medicine bottle belongs to the protection scope of the application. Meanwhile, the application does not limit the material and the shape of the bottle cap, and any material or shape falls within the protection scope of the application.
[0043] It should be understood that the above specific embodiments of the application are only used for illustrative or explanatory purposes of the principles of the application, and do not constitute a limitation on the application. Therefore, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the application shall be included in the protection scope of the application. In addition, the appended claims of the application are intended to cover all variations and modifications falling within the scope and boundary of the appended claims, or the equivalent forms of such scope and boundary.
[0044] The above is only the preferred embodiment of the application, and does not limit the application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the application shall be included in the protection scope of the application.
Claims
1. A multiple sealing bottle cap comprising a spout (5) provided outside a bottle mouth (9) and an inner cap (2) enclosed outside the spout (5), characterized in that, The inner cover (2) is provided with a valve piece (3) inside, and the inner cover (2) and the valve piece (3) are tightly attached to form a first sealing area (10); The lower end of the valve piece (3) is pressed into a valve core (4), the lower end of the valve core (4) is provided with a glass bead (7), an inner plug (6) is sleeved on the bottle mouth (9), the inner plug (6) is located in the bottle nozzle (5), and the upper part of the inner plug (6) and the valve core (4) are tightly attached to form a second sealing area (11); The middle part of the inner plug (6) and the bottle mouth (9) are tightly attached to form a third sealing area (12); The lower part of the inner plug (6) and the glass bead (7) are tightly attached to form a fourth sealing area (13).
2. A multiple sealed bottle cap according to claim 1, wherein The bottle mouth (9) is provided with a lower sleeve (8), the upper cover (1) is pressed on the lower sleeve (8), and the inner cover (2) is located on the inner side of the upper cover (1).
3. The multiple sealed bottle cap according to claim 1, wherein, The number of the glass bead (7) is one or more.
4. The multiple sealed bottle cap according to claim 1, wherein, The inner cover (2) comprises a vertically arranged protruding part (21), the valve piece (3) comprises a horizontally arranged horizontal part (31), and the protruding part (21) and the horizontal part (31) are tightly attached.
5. The multiple sealed bottle cap according to claim 1, wherein, The inner plug (6) comprises a vertically arranged first part (61), and the first part (61) is located on the inner side of the bottle nozzle (5).
6. The multiple sealed bottle cap according to claim 1, wherein, The inner plug (6) comprises a second part (62) which is inclined to the valve core (4), and the second part (62) and the valve core (4) are tightly attached.
7. The multiple sealed bottle cap according to claim 1, wherein The inner plug (6) comprises a third part (63) which is vertically arranged, and the third part (63) is located on the inner side of the bottle mouth (9) and tightly attached to the bottle mouth (9).
8. The multiple sealed bottle cap according to claim 1, wherein, The inner plug (6) comprises a fourth part (64) which is inclined to the glass bead (7), and the fourth part (64) and the glass bead (7) are tightly attached.
9. A bottle characterized in that The multiple sealing bottle cap comprises the multiple sealing bottle cap according to any one of claims 1-8.