Multi-layer sealed flip bottle cap

The multi-layered sealing mechanism in flip-top bottle caps addresses the issue of inadequate sealing by incorporating interlocking seals and structural enhancements, ensuring effective prevention of leakage and maintaining product integrity.

CN223101482UActive Publication Date: 2025-07-15ANHUI HUILIDA PACKAGING CO LTD
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Patent Information

Application Number
CN202422409024.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-30
Publication Date
2025-07-15
Estimated Expiration
2034-09-30

AI Technical Summary

Technical Problem

The existing flip caps lack a multi-layer sealing structure, resulting in poor sealing properties and easy leakage when placed in tip or tilt.

Method used

A multi-layer sealed flip bottle cap is designed, and the top of the cover body is connected by a slit between the sealing plate one and the sealing plate two, combining the inner and outer protrusions and the structure of the jagging cylinder, forming an inner and outer multi-layer seal to enhance the sealing effect.

Benefits of technology

It realizes multi-layer sealing of the inside and outside of the bottle cap, enhances sealing, prevents product leakage, has good use stability and is convenient to install.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223101482U_ABST
    Figure CN223101482U_ABST
Patent Text Reader

Abstract

The utility model relates to a multilayer sealed flip bottle cap, which comprises a cap body I, a connecting part and a cap body II which are connected in sequence, the cap body II comprises a lower cap body, the cap body I comprises an upper cap body, a sealing plate I and a sealing plate II, and the sealing plate I and the sealing plate II are arranged in the upper cap body. The second sealing plate is located in the first sealing plate, a first clamping groove is formed between the first sealing plate and the second sealing plate, the upper cover body is used for sealing the liquid outlet of the lower cover body, and the first clamping groove is used for being connected with the top of the lower cover body in a clamped mode to form inner and outer multi-layer sealing. The top of the lower cover body can be clamped through the first clamping groove between the first sealing plate and the second sealing plate, so that the liquid outlet in the top of the lower cover body is sealed and blocked through the upper cover body, the first sealing plate and the second sealing plate, the second sealing plate, the top of the lower cover body and the first sealing plate form inner and outer multi-layer sealing, and the sealing effect is enhanced.
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Description

Technical Field

[0001] The utility model belongs to the technical field of bottle caps, and particularly relates to a multi-layer sealed flip-top bottle cap. Background Art

[0002] The design of the flip-top bottle cap enables users to easily operate it with one hand. By simply pressing or flipping, the bottle cap can be opened or closed. This design is particularly convenient in situations where frequent use or quick access is required, such as in the packaging of products like shampoo, body wash, cooking oil, sauces, etc. The flip-top bottle cap is required to have good sealing performance, which can effectively prevent the leakage or contamination of the contents in the bottle. This is very important for maintaining the freshness and quality of the product, especially in the packaging of liquid or powdered products.

[0003] However, the flip-top bottle caps in the prior art generally do not have a multi-layer sealing structure. There is only a direct shielding and sealing effect formed by the upper cover body on the lower cover body, and its sealing performance is poor, resulting in an unsatisfactory sealing and protection effect on the product. When the bottle body is tilted or placed obliquely, the product is likely to leak. Content of the Utility Model

[0004] The purpose of the present utility model is to provide a multi-layer sealed flip-top bottle cap to solve the above problems, aiming to solve the technical problems in the prior art that the flip-top bottle caps generally do not have a multi-layer sealing structure, only use the upper cover body to directly shield and seal the lower cover body, with poor sealing performance, unsatisfactory sealing and protection effect on the product, and the product is likely to leak when the bottle body is tilted or placed obliquely.

[0005] The present utility model realizes the above purpose through the following technical solutions:

[0006] A multi-layer sealed flip-top bottle cap includes a first cover body, a connecting part, and a second cover body connected in sequence. The second cover body includes a lower cover body.

[0007] The first cover body includes an upper cover body, a first sealing plate and a second sealing plate arranged inside the upper cover body. The second sealing plate is located inside the first sealing plate, and a first clamping groove is formed between the first sealing plate and the second sealing plate. The upper cover body is used to seal the liquid outlet of the lower cover body, and the first clamping groove is used to clamp the top of the lower cover body to form an internal and external multi-layer seal.

[0008] As a further optimized solution of the present utility model, the second cover body further includes an inner protrusion arranged on the inner wall of the lower cover body. The top end of the lower cover body is bent inward to form a bent part, and a second clamping groove is formed between the bent part and the inner wall of the lower cover body. An inner clamping cylinder is clamped inside the second clamping groove.

[0009] The inner clamping cylinder includes a first cylinder body clamped inside the second clamping groove and an outer protrusion arranged on the outer wall of the first cylinder body. The inner protrusion forms a support for the outer protrusion.

[0010] As a further optimized solution of the utility model, the inner clamping cylinder further includes a groove body formed on the inner wall of the cylinder body 1. A clamping groove three is formed between the groove body and the bent part of the lower cover body, and a liquid outlet nozzle is clamped inside the clamping groove three.

[0011] The liquid outlet nozzle includes a cylinder body 2 clamped inside the clamping groove three and several cutting grooves formed at the bottom of the cylinder body 2. The bottom of the cylinder body 2 bulges downward.

[0012] As a further optimized solution of the utility model, multiple reinforcing rib strips are arranged on the inner wall of the cylinder body 1 below the groove body.

[0013] As a further optimized solution of the utility model, an elastic sheet is arranged on the inner wall of the lower cover body below the inner clamping cylinder.

[0014] As a further optimized solution of the utility model, multiple connecting threads are arranged on the inner wall of the lower cover body below the elastic sheet, and multiple anti-slip lines are formed on the outer wall of the lower cover body.

[0015] As a further optimized solution of the utility model, the connecting part includes a flexible connecting strip for connecting the upper cover body and the lower cover body and a folding groove formed in the middle of the flexible connecting strip.

[0016] The beneficial effects of the utility model are as follows:

[0017] 1) The utility model can clamp the top of the lower cover body through the clamping groove one between the sealing plate 1 and the sealing plate 2, so as to realize the sealing and plugging effect on the liquid outlet at the top of the lower cover body through the upper cover body, the sealing plate 1 and the sealing plate 2. Moreover, the sealing plate 2, the top of the lower cover body and the sealing plate 1 form multiple layers of internal and external seals, enhancing the sealing effect.

[0018] 2) In the utility model, the cylinder body 1 is easily clamped and installed inside the clamping groove two, and the cylinder body 2 is easily clamped and installed inside the clamping groove three. Moreover, due to the downward pressing effect of the bent part of the lower cover body on the cylinder body 2, the cylinder body 2 can be stably clamped inside the clamping groove three, is not easy to loosen, is convenient to install, has good stability and is convenient to use. Description of the Drawings

[0019] Figure 1 is the front view of the overall structure of the utility model.

[0020] Figure 2 is the top view of the overall structure of the utility model.

[0021] Figure 3 is the three-dimensional view of the overall structure of the utility model.

[0022] Figure 4 is the front cross-sectional view (open cover state) of the overall structure of the utility model.

[0023] Figure 5 is a front sectional view (closed cover state) of the overall structure of the present utility model.

[0024] Figure 6 are a perspective view (A) and a front sectional view (B) of the inner clamping cylinder of the present utility model.

[0025] Figure 7 are a perspective view (A) and a front sectional view (B) of the liquid outlet nozzle of the present utility model.

[0026] In the figure: 1, cover body one; 11, upper cover body; 12, sealing plate one; 13, sealing plate two; 2, connecting part; 21, flexible connecting strip; 22, folding groove; 3, cover body two; 31, lower cover body; 32, inner protrusion; 33, elastic sheet; 34, connecting thread; 35, anti-slip pattern; 4, inner clamping cylinder; 41, cylinder body one; 42, outer protrusion; 43, groove body; 44, reinforcing rib; 5, liquid outlet nozzle; 51, cylinder body two; 52, cutting groove. Detailed implementation manners

[0027] The following further describes the present application in detail with reference to the accompanying drawings. It is necessary to point out here that the following detailed implementation manners are only used to further illustrate the present application and cannot be understood as limiting the protection scope of the present application. Those skilled in the art can make some non-essential improvements and adjustments to the present application according to the above application content.

[0028] As Figures 1-7 shown, a multi-layer sealed flip-top bottle cap includes a cover body one 1, a connecting part 2, and a cover body two 3 connected in sequence, and the cover body two 3 includes a lower cover body 31;

[0029] The cover body one 1 includes an upper cover body 11, a sealing plate one 12 and a sealing plate two 13 arranged inside the upper cover body 11. The sealing plate two 13 is located inside the sealing plate one 12, and a first clamping groove is formed between the sealing plate one 12 and the sealing plate two 13. The upper cover body 11 is used to seal the liquid outlet of the lower cover body 31, and the first clamping groove is used to clamp the top of the lower cover body 31 to form an internal and external multi-layer seal.

[0030] It should be noted that in this embodiment, a dialing cover boss extends outward along the outer edge of the upper cover body 11.

[0031] In this embodiment, in the closed cover state, as Figure 5 shown, the upper cover body 11 is placed on the lower cover body 31. The lower cover body 31 and the sealing plate one 12 are clamped and fixed to each other. The first clamping groove between the sealing plate one 12 and the sealing plate two 13 clamps the top of the lower cover body 31, so as to realize the sealing and plugging effect on the liquid outlet at the top of the lower cover body 31, and the sealing plate two 13, the top of the lower cover body 31, and the sealing plate one 12 form an internal and external multi-layer seal, enhancing the sealing effect.

[0032] Preferably, the second cover 3 further includes an inner protrusion 32 provided on the inner wall of the lower cover 31. The top end of the lower cover 31 is bent inward to form a bent portion, and a second card slot is formed between the bent portion and the inner wall of the lower cover 31. An inner clamping cylinder 4 is clamped inside the second card slot;

[0033] The inner clamping cylinder 4 includes a first cylinder body 41 clamped inside the second clamping groove, and an outer protrusion 42 provided on the outer wall of the first cylinder body 41. The inner protrusion 32 supports the outer protrusion 42.

[0034] Preferably, the inner clamping cylinder 4 further includes a groove body 43 opened on the inner wall of the first cylinder body 41. A third card slot is formed between the groove body 43 and the bent portion of the lower cover 31. A liquid outlet nozzle 5 is clamped inside the third card slot;

[0035] The liquid outlet nozzle 5 includes a second cylinder body 51 clamped inside the third card slot and a plurality of cutting grooves 52 opened at the bottom of the second cylinder body 51. When in use, when the bottle body is squeezed, the cutting grooves 52 will open under the impact of gas, and then the liquid can be poured out through the second cylinder body 51. After the bottle body is released, the cutting grooves 52 will automatically close, playing a certain role in blocking. It is convenient to use. The bottom of the second cylinder body 51 protrudes downward.

[0036] It should be noted that in this application, the liquid cylinder 5 is made of flexible material.

[0037] It should be noted that in this embodiment, in the state of closing the cover, the top end and the bent portion of the lower cover 31 are both clamped inside the first clamping groove, and the bottom of the second sealing plate 13 is in contact with the top of the second cylinder body 51.

[0038] In this embodiment, the first cylinder body 41 is easily clamped and installed inside the second card slot, and the second cylinder body 51 is easily clamped and installed inside the third card slot. And due to the downward pressing action of the bent portion of the lower cover 31 on the second cylinder body 51, the second cylinder body 51 can be stably clamped inside the third card slot, is not easy to loosen, is convenient to install, has good stability, and is convenient to use.

[0039] Preferably, a plurality of reinforcing rib strips 44 are provided on the inner wall of the first cylinder body 41 below the groove body 43 to enhance the stability.

[0040] Preferably, an elastic piece 33 is provided on the inner wall of the lower cover 31 below the inner clamping cylinder 4. When connected to the bottle body, it is pressed and attached to the bottle body to enhance the sealing effect.

[0041] Preferably, a plurality of connecting threads 34 are provided on the inner wall of the lower cover 31 below the elastic piece 33 for facilitating connection with the bottle body. A plurality of anti-slip lines 35 are opened on the outer wall of the lower cover 31 to play an anti-slip role and are provided for facilitating screwing of the lower cover 31.

[0042] Preferably, the connecting portion 2 includes a flexible connecting strip 21 for connecting the upper cover body 11 and the lower cover body 31, and a folding groove 22 opened in the middle of the flexible connecting strip 21. Connecting the first cover body 1 and the connecting portion 2 through the flexible connecting strip 21 makes the first cover body 1 not easily lost, and the folding groove 22 is provided for facilitating the folding of the first cover body 1.

[0043] The above embodiments only represent several implementation manners of the present invention, and the description thereof is relatively specific and detailed, but it should not be construed as a limitation to the patent scope of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can still be made, and these all belong to the protection scope of the present invention.

Claims

1. A multi-layer sealed flip-top bottle cap, characterized in that: It includes a first cover (1), a connecting part (2), and a second cover (3) connected in sequence. The second cover (3) includes a lower cover (31). The first cover (1) includes an upper cover (11), a first sealing plate (12) and a second sealing plate (13) arranged inside the upper cover (11). The second sealing plate (13) is located inside the first sealing plate (12), and a first clamping groove is formed between the first sealing plate (12) and the second sealing plate (13). The upper cover (11) is used to seal the liquid outlet of the lower cover (31), and the first clamping groove is used to clamp the top of the lower cover (31) to form an inner and outer multi-layer seal.

2. The multi-layer sealed flip-top bottle cap according to claim 1, characterized in that: The second cover (3) further includes an inner protrusion (32) arranged on the inner wall of the lower cover (31). The top end of the lower cover (31) bends inwards to form a bent part, and a second clamping groove is formed between the bent part and the inner wall of the lower cover (31). An inner clamping cylinder (4) is clamped inside the second clamping groove. The inner clamping cylinder (4) includes a first cylinder body (41) clamped inside the second clamping groove and an outer protrusion (42) arranged on the outer wall of the first cylinder body (41). The inner protrusion (32) supports the outer protrusion (42).

3. The multi-layer sealed flip-top bottle cap according to claim 2, characterized in that: The inner clamping cylinder (4) further includes a groove body (43) opened on the inner wall of the first cylinder body (41). A third clamping groove is formed between the groove body (43) and the bent part of the lower cover (31). A liquid outlet nozzle (5) is clamped inside the third clamping groove. The liquid outlet nozzle (5) includes a second cylinder body (51) clamped inside the third clamping groove and a plurality of cutting grooves (52) opened at the bottom of the second cylinder body (51). The bottom of the second cylinder body (51) protrudes downwards.

4. The multi-layer sealed flip-top bottle cap according to claim 3, characterized in that: A plurality of reinforcing rib strips (44) are arranged on the inner wall of the first cylinder body (41) below the groove body (43).

5. A multi-layer sealed flip-top bottle cap according to claim 2, characterized in that: An elastic sheet (33) is arranged on the inner wall of the lower cover (31) below the inner clamping cylinder (4).

6. The multi-layer sealed flip cap according to claim 5, characterized in that: A plurality of connecting threads (34) are arranged on the inner wall of the lower cover (31) below the elastic sheet (33). A plurality of anti-slip patterns (35) are opened on the outer wall of the lower cover (31).

7. A multi-layer sealed flip-top bottle cap according to claim 1, characterized in that: The connecting part (2) includes a flexible connecting strip (21) for connecting the upper cover (11) and the lower cover (31), and a folding groove (22) opened in the middle of the flexible connecting strip (21).