A bottle cap and bottle body connecting structure
By using positioning protrusions and annular protrusions to match the bottle cap and bottle body, a universal connection between the bottle cap and the base bottle body is achieved, solving the problem of high production cost of bottle caps and improving the versatility and compatibility of bottle caps.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 刘国庆
- Filing Date
- 2025-05-30
- Publication Date
- 2026-06-12
Smart Images

Figure CN224349456U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of bottle cap technology, and specifically relates to a connection structure between a bottle cap and a bottle body. Background Technology
[0002] Currently, with the improvement of people's living standards, the requirements for the quality of beverages are getting higher and higher. Most of the beverages sold on the market are mixed beverages. In the existing technology, the mixture is usually placed in the bottle cap. By putting the mixture in the bottle cap into the bottle, it is also mixed with the liquid to form a mixed beverage, so as to ensure the freshness of the beverage's taste.
[0003] Chinese Patent No. CN220997549U discloses a bottle cap, belonging to the field of bottle cap technology. It includes a bottle cap body, a bottom breaker, and a bottle cap outer sleeve. The bottle cap body is connected to the bottle mouth, and the bottle cap outer sleeve is fitted onto the bottle cap body and threadedly connected to it. The bottom breaker is slidably disposed within the bottle cap body and has a storage space for storing substances. The bottom breaker has a discharge port and a liquid outlet at both ends, respectively, connected to the storage space. The bottle cap outer sleeve seals the liquid outlet. A sealing aluminum foil is provided at the bottom of the bottle cap body. A spiral ridge is provided on the outer wall of the bottom breaker, and a spiral protrusion is provided inside the bottle cap outer sleeve. The spiral protrusion abuts against the spiral ridge. When the bottle cap outer sleeve is rotated, causing the spiral protrusion to slide along the spiral ridge, the bottom breaker can slide towards the bottom of the bottle cap body and push open the sealing aluminum foil.
[0004] The above technical solution has the following drawbacks: the bottle cap needs to be adapted to a specific bottle body, and the production of the bottle cap is highly dependent on a dedicated production line, forcing enterprises to invest independent production resources for the production of the bottle cap, resulting in high production costs. Therefore, there is an urgent need for a connection structure that allows the bottle cap to be universally connected to the base bottle body, improving the versatility and compatibility of the bottle cap, that is, enabling the bottle cap and the base bottle body to be used together to completely mix the brewing agent in the bottle with the liquid in the bottle body, thereby reducing the cost pressure of production. Utility Model Content
[0005] The purpose of this utility model is to address the aforementioned problems in the existing technology by proposing a connection structure between the bottle cap and the bottle body. The technical problem to be solved by this utility model is: how to improve the versatility and compatibility of the bottle cap, thereby reducing production costs.
[0006] The above-mentioned technical objective of this utility model can be achieved through the following technical solution: a connection structure between a bottle cap and a bottle body, including a bottle cap and a bottle body, wherein a cavity is provided inside the bottle cap, a material cylinder is movably disposed inside the cavity, a receiving cavity for accommodating brewed ingredients is provided inside the material cylinder, a sealing aluminum foil is provided on the bottle cap, the sealing aluminum foil is used to seal the receiving cavity, the bottle cap has a deformable part, pressing the deformable part can deform it and push the material cylinder to move and poke open the sealing aluminum foil, a positioning protrusion is provided on the inner side wall of the bottle cap, and an annular protrusion is provided on the outer side wall of the bottle body, when the bottle cap is sleeved on the outer side of the bottle body, the positioning protrusion and the annular protrusion can cooperate to prevent the bottle cap from detaching from the bottle body.
[0007] In the above-mentioned connection structure between the bottle cap and the bottle body, when the bottle cap is fitted onto the outside of the bottle body, the upper surface of the positioning protrusion can abut against the lower surface of the annular protrusion.
[0008] In the above-mentioned connection structure between the bottle cap and the bottle body, the positioning protrusion is arc-shaped, and there are several positioning protrusions that are evenly distributed along the circumference of the bottle cap.
[0009] In the above-mentioned connection structure between the bottle cap and the bottle body, the inner sidewall of the positioning protrusion is provided with a guide arc surface.
[0010] In the above-mentioned connection structure between the bottle cap and the bottle body, the outer side wall of the material cylinder is provided with a limiting protrusion, and the inner side wall of the cavity is provided with a limiting protrusion. When the material cylinder moves and pokes open the sealing aluminum foil, the lower surface of the limiting protrusion can abut against the upper surface of the limiting protrusion.
[0011] In the above-mentioned connection structure between the bottle cap and the bottle body, the inner sidewall of the limiting protrusion is provided with a guide slope.
[0012] In the above-mentioned connection structure between the bottle cap and the bottle body, the lower end of the material cylinder has several sharp protrusions.
[0013] In the above-mentioned connection structure between the bottle cap and the bottle body, the deformable part protrudes upward, and the deformable part is made of a material that can be elastically deformed.
[0014] In summary, the beneficial effects of this utility model compared to the prior art are as follows:
[0015] Existing basic bottles typically have annular protrusions to support the anti-theft ring. By cooperating with the positioning protrusions and annular protrusions, a universal connection between the bottle cap and the basic bottle can be achieved, effectively preventing the bottle cap from falling off the bottle. In use, the bottle cap is placed on the outside of the bottle, and the positioning protrusions and annular protrusions cooperate to prevent the bottle cap from detaching from the bottle. Then, the deformable part is pressed to deform it and push the material cylinder to move and open the sealing aluminum foil. The brewing material in the receiving cavity falls into the bottle and mixes with the liquid. This connection structure effectively improves the versatility and compatibility of the bottle cap, making it compatible with basic bottles with annular protrusions, and effectively reducing production costs. Attached Figure Description
[0016] Figure 1 This is a cross-sectional view of the bottle cap in the embodiment;
[0017] Figure 2 This is a cross-sectional view showing the usage state of an embodiment;
[0018] Figure 3 This is a cross-sectional view of another usage state in the embodiment.
[0019] Reference numerals: 1. Bottle cap; 2. Bottle body; 3. Cavity; 4. Material cylinder; 5. Receiving cavity; 6. Sealing aluminum foil; 7. Deformable part; 8. Positioning protrusion; 9. Annular protrusion; 10. Guide arc surface; 11. Limiting protrusion; 12. Limiting protrusion; 13. Guide slope; 14. Sharp protrusion. Detailed Implementation
[0020] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.
[0021] A connection structure between a bottle cap 1 and a bottle body 2, such as Figures 1 to 3 As shown, it includes a bottle cap 1 and a bottle body 2.
[0022] The bottle cap 1 has a cavity 3 inside, and a material cylinder 4 is movably disposed inside the cavity 3. The material cylinder 4 has a receiving cavity 5 for holding the brewing material. The bottle cap 1 is provided with a sealing aluminum foil 6, which is used to seal the receiving cavity 5. In this embodiment, the sealing aluminum foil 6 seals the opening of the cavity 3, thereby achieving the sealing of the receiving cavity 5.
[0023] The bottle cap 1 has a deformable part 7, which protrudes upward and is made of a material that can be elastically deformed. Preferably, the deformable part 7 is made of plastic and integrally molded with the bottle cap 1. Alternatively, the deformable part 7 is made of soft rubber.
[0024] Pressing the deformable part 7 can deform it and push the barrel 4 to move and poke open the sealing aluminum foil 6. When the sealing aluminum foil 6 is poke open, the brewing material in the receiving cavity 5 falls directly into the bottle body 2 without the obstruction of the sealing aluminum foil 6 and mixes with the liquid.
[0025] Furthermore, the lower end of the material cylinder 4 has several sharp protrusions 14, which are evenly distributed around the circumference of the material cylinder 4. The sharp protrusions 14 make it easier to poke open the sealing aluminum foil 6, making the operation more labor-saving.
[0026] It should be noted that the several sharp protrusions 14 are not fully distributed along the circumference of the barrel 4. This is to ensure that when the sealing aluminum foil 6 is opened by the sharp protrusions 14, the sealing aluminum foil 6 will not completely separate from the bottle cap 1, thereby avoiding the sealing aluminum foil 6 from completely separating from the bottle cap 1 and falling into the bottle body 2, which would cause hygiene problems.
[0027] Furthermore, a limiting protrusion 11 is provided on the outer side wall of the material cylinder 4, and a limiting protrusion 12 is provided on the inner side wall of the cavity 3. When the material cylinder 4 moves and pushes open the sealing aluminum foil 6, the lower surface of the limiting protrusion 11 can abut against the upper surface of the limiting protrusion 12, so that the material cylinder 4 cannot continue to move downward after reaching the corresponding position, thereby limiting the travel position of the material cylinder 4 and preventing the material cylinder 4 from completely leaving the cavity 3 and falling into the bottle body 2.
[0028] Furthermore, the inner wall of the limiting protrusion 12 is provided with a guide slope 13. When the material cylinder 4 is inserted into the cavity 3, the limiting protrusion 11 can pass through the limiting protrusion 12 more easily through the guide slope 13, making assembly more convenient and efficient.
[0029] The inner wall of the bottle cap 1 is provided with a positioning protrusion 8, and the outer wall of the bottle body 2 is provided with an annular protrusion 9. When the bottle cap 1 is placed on the outer side of the bottle body 2, the positioning protrusion 8 and the annular protrusion 9 can cooperate to prevent the bottle cap 1 from detaching from the bottle body 2.
[0030] It should be noted that when the bottle cap 1 is placed on the outside of the bottle body 2, the upper surface of the positioning protrusion 8 can abut against the lower surface of the annular protrusion 9. Through the abutment of the two, the bottle cap 1 is restricted from detaching from the bottle body 2. At this time, the bottle body 2 can effectively support the bottle cap 1, thereby ensuring the relative stability of the bottle cap 1 and the bottle body 2.
[0031] It should be further explained that when the bottle cap 1 is placed on the outside of the bottle body 2, the opening of the receiving cavity 5 is directly opposite the bottle mouth of the bottle body 2.
[0032] The positioning protrusion 8 is arc-shaped, and there are several positioning protrusions 8 evenly distributed along the circumference of the bottle cap 1. This makes the connection between the bottle cap 1 and the bottle body 2 more balanced and stable, avoiding the problem of loosening or falling off due to uneven local force.
[0033] The inner wall of the positioning protrusion 8 is provided with a guide arc surface 10. When installing the bottle cap 1, the guiding effect of the guide arc surface 10 makes it easier for the annular protrusion 9 to pass through the positioning protrusion 8, and the connection between the bottle cap 1 and the bottle body 2 is more convenient.
[0034] It should be noted that the existing basic bottle body 2 usually has an annular protrusion 9 for supporting the anti-theft ring. The bottle cap 1 can achieve a universal connection between the bottle cap 1 and the basic bottle body 2 by cooperating with the positioning protrusion 8 and the annular protrusion 9. It should be noted that the basic bottle body 2 is normally sealed with the basic bottle cap. Before drinking, the basic bottle cap is removed, and then the bottle cap 1 disclosed in this embodiment is connected to the bottle body 2. Then, by pressing the deformable part 7 to deform it and push the material cylinder 4 to move, the sealing aluminum foil 6 is opened, and the brewing material in the receiving cavity 5 falls into the bottle body 2 to mix with the liquid. Finally, the bottle cap 1 can be removed. Alternatively, the original basic bottle cap can be used to seal the bottle mouth of the bottle body 2.
[0035] It should be further explained that, since the bottle cap 1 can be used with the base bottle body 2 with the annular protrusion 9, the bottle cap 1 has better versatility and compatibility, and there is no need to invest in a special production line for custom bottle caps, which can effectively reduce production costs.
[0036] like Figure 2 As shown, the bottle body 2 has a basic bottle cap, and the bottle cap 1 disclosed in this embodiment is connected to the bottle body 2.
[0037] like Figure 3 As shown, the inner wall of the bottle cap 1 has a threaded structure. As another way of use, after the basic bottle cap of the bottle body 2 is removed, the bottle cap 1 disclosed in this embodiment can be directly threaded to the bottle body 2 to seal the bottle mouth of the bottle body 2.
[0038] The specific embodiments described herein are merely illustrative examples of the spirit of this utility model; those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or adopt similar methods to replace them, but without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.
Claims
1. A connection structure between a bottle cap and a bottle body, comprising a bottle cap (1) and a bottle body (2), wherein an annular protrusion (9) is provided on the outer side wall of the bottle body (2), a basic bottle cap is provided on the bottle body (2), and the inner side wall of the bottle cap (1) has a threaded structure, characterized in that: The bottle cap (1) has a cavity (3) inside, and a feed cylinder (4) is movably disposed inside the cavity (3). The feed cylinder (4) has a receiving cavity (5) for holding the brewing agent. The bottle cap (1) is provided with a sealing aluminum foil (6) for sealing the receiving cavity (5). The bottle cap (1) has a deformable part (7). Pressing the deformable part (7) can deform it and push the feed cylinder (4) to move the sealing aluminum foil (6). When the bottle cap (1) is opened, a positioning protrusion (8) is provided on the inner side wall of the bottle cap (1). When the bottle cap (1) is put on the outside of the bottle body (2), the base bottle body (2) is sealed with the base bottle cap. The positioning protrusion (8) and the annular protrusion (9) can cooperate to restrict the bottle cap (1) from detaching from the bottle body (2). After the base bottle cap of the bottle body (2) is removed, the bottle cap (1) is threadedly connected to the bottle body (2) and the bottle mouth of the bottle body (2) is sealed by the bottle cap (1).
2. The connection structure between the bottle cap and the bottle body according to claim 1, characterized in that: When the bottle cap (1) is placed on the outside of the bottle body (2), the upper surface of the positioning protrusion (8) can abut against the lower surface of the annular protrusion (9).
3. A connection structure between a bottle cap and a bottle body according to any one of claims 1 or 2, characterized in that: The positioning protrusion (8) is arc-shaped, and there are several positioning protrusions (8) that are evenly distributed along the circumference of the bottle cap (1).
4. The connection structure between the bottle cap and the bottle body according to claim 3, characterized in that: The inner wall of the positioning protrusion (8) is provided with a guide arc surface (10).
5. A connection structure between a bottle cap and a bottle body according to any one of claims 1 or 2, characterized in that: The outer side wall of the material cylinder (4) is provided with a limiting protrusion (11), and the inner side wall of the cavity (3) is provided with a limiting protrusion (12). When the material cylinder (4) moves and pokes open the sealing aluminum foil (6), the lower surface of the limiting protrusion (11) can abut against the upper surface of the limiting protrusion (12).
6. The connection structure between the bottle cap and the bottle body according to claim 5, characterized in that: The inner wall of the limiting protrusion (12) is provided with a guide slope (13).
7. A connection structure between a bottle cap and a bottle body according to any one of claims 1 or 2, characterized in that: The lower end of the barrel (4) has several sharp protrusions (14).
8. A connection structure between a bottle cap and a bottle body according to any one of claims 1 or 2, characterized in that: The deformable part (7) protrudes upward, and the deformable part (7) is made of a material that can be elastically deformed.
Citation Information
Patent Citations
A bottle cap
CN220997549U