A rotating knife feeding and film cutting structure

By hiding the film cutting knife in the rotary feeding knife and the film cutting structure of the functional cover, the safety hazards caused by direct contact of the film cutting knife in the prior art are solved, and a safe and convenient user experience is achieved.

CN222714127UActive Publication Date: 2025-04-04ACE MOLD SHANGHAI COMPANY
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Patent Information

Application Number
CN202420937596.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-30
Publication Date
2025-04-04
Estimated Expiration
2034-04-30

AI Technical Summary

Technical Problem

The existing functional cap is directly installed on the bottle cap, and it is easy to directly contact the membrane cutting knife when used, which poses safety hazards.

Method used

A rotary feeding knife and film cutting structure is designed, in which the film cutting knife is located at the bottom of the solid chamber, located between the solid chamber and the liquid chamber, with sharp teeth facing downwards, hidden in the middle of the liquid chamber and the solid chamber. When the cap is opened and the cap is driven to cut the aluminum film through the cap.

Benefits of technology

By hiding the film cutting knife, it avoids direct contact with the film cutting knife during use, improves safety and provides a convenient user experience.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222714127U_ABST
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Abstract

The utility model discloses a rotary knife feeding and film cutting structure, which belongs to the technical field of screw capping. It includes a film cutting knife, a liquid bin and a solid bin, and the liquid bin is located below the solid bin, the film cutting knife is arranged on the outer wall of the bottom of the solid bin, and is located between the solid bin and the liquid bin, and the sharp teeth on the film cutting knife face downward, and correspond to the aluminum film used to block the top of the liquid bin; the external entity of the solid bin is a screw cap, and the film cutting knife is arranged on the inner side of the screw cap, and the entire screw cap is embedded in the top of the external entity of the liquid bin, and the film cutting knife, the liquid bin and the solid bin are all located in the combination formed by the screw cap and the external entity of the liquid bin. The utility model places the film cutting knife and the solid bin in the screw cap, and when the screw cap is unscrewed, the film cutting knife is driven by rotation to cut the aluminum film, and after the screw cap is opened, the film cutting knife cannot be touched, and the entire contact surface is smooth, safe, and convenient, which meets the consumer's use experience.
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Description

Technical Field

[0001] The utility model relates to a rotary knife feeding and film cutting structure, belonging to the technical field of rotary capping. Background Art

[0002] At present, as personalized needs are becoming more and more popular among consumers, many functional caps with powders (or crystal balls) have appeared on the market. When in use, the film cutting knife is driven by rotation to cut the sealing aluminum film, forming a structure that opens the nutrient solution and powder (or crystal ball) at the same time. Consumers can use it conveniently after opening the so-called functional caps.

[0003] Currently, most functional caps have a film cutter installed directly on the top of the bottle cap. When consumers screw on the cap, the film cutter will cut the aluminum film on the bottle, allowing the powder (or crystal ball) to fall directly into the bottle and then be mixed before drinking. Utility Model Content

[0004] The utility model provides a rotary knife feeding and film cutting structure, which solves the problem in the prior art that the film cutting knife is directly installed on the bottle cap and directly contacts the film cutting knife during use, thus causing danger.

[0005] The technical problem to be solved by the utility model is achieved by adopting the following technical solutions:

[0006] A rotary knife feeding and film cutting structure, comprising a film cutting knife, a liquid bin and a solid bin, wherein the liquid bin is located below the solid bin, the film cutting knife is arranged at the bottom of the solid bin and is located between the solid bin and the liquid bin, and the sharp teeth on the film cutting knife face downward and correspond to the aluminum film used to block the top of the liquid bin;

[0007] The external entity of the solid bin is a screw cap, and the film cutting knife is arranged on the inner side of the screw cap, the screw cap is embedded on the top of the external entity of the liquid bin, and the film cutting knife, liquid bin and solid bin are all located in the combination formed by the screw cap and the external entity of the liquid bin.

[0008] As a preferred example, the screw cap includes an outer cover and a middle cover, the middle cover is threadedly sleeved in the outer cover, the inner thread of the middle cover is sleeved with a film cutting knife, the film cutting knife is arranged on the outer side wall of the bottom of the solid bin, the lower end of the middle cover is threadedly sleeved in the outer top of the entity outside the liquid bin, and the film cutting knife and the aluminum film are both located in the middle cover.

[0009] As a preferred example, the height of the outer cover is consistent with that of the middle cover, so that when the outer cover is sleeved on the middle cover, the bottom of the outer cover is flush with the bottom of the middle cover.

[0010] As a preferred example, the top of the film cutting knife is sealed with the cavity of the outer cover to form the solid bin, and the solid bin, the internal space of the middle cover and the internal space of the outer cover are connected. When the outer cover is unscrewed, when the film cutting knife cuts the aluminum film, the liquid bin is connected to the solid bin. At this time, when the opening of the liquid bin is tilted downward, the nutrient solution inside the liquid bin first passes through the through hole on the inner side of the film cutting knife, and then flows into the solid bin, and flows out through the channel on the solid bin. The nutrient solution can carry the powder (or crystal ball) to flow out of the external entity opening of the solid bin.

[0011] Furthermore, a sealant is provided on the top of the film cutting knife, and the sealant is sealed with the cavity of the outer cover to form the solid bin.

[0012] As a preferred example, the external entity of the liquid tank is one of a bottle, a can, and a tube.

[0013] The beneficial effect of the utility model is as follows: the utility model places the film cutting knife and the solid bin in the screw cap, specifically the solid bin is composed of the outer cover and the film cutting knife, and the film cutting knife is in the middle cover, and the middle cover is in the outer cover. When the screw cap is unscrewed, the film cutting knife is driven by the screw cap to cut the aluminum film. Since the sharp teeth of the film cutting knife face downward and are hidden between the liquid bin and the solid bin, the film cutting knife cannot be touched after the screw cap is opened, so the entire contact surface is smooth, safe, and convenient, which meets the consumer's use experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is an exploded view of the utility model;

[0016] Figure 3 It is a top view of the utility model;

[0017] Figure 4 for Figure 3 Sectional view along AA direction;

[0018] In the figure: screw cap 1, outer cover 2, through hole 3, aluminum film 4, middle cover 5, film cutting knife 6, bottle 7, liquid bin 71, solid bin 8. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects of the present invention easier to understand, the present invention is further described below in conjunction with specific illustrations.

[0020] like Figure 1-4As shown, a rotary knife feeding and film cutting structure includes a film cutting knife 6, a liquid bin 71 and a solid bin 8, wherein the liquid bin 71 is located below the solid bin 8, the film cutting knife 6 is arranged around the outer side wall of the bottom of the solid bin 8 and is located between the solid bin 8 and the liquid bin 71, and the sharp teeth on the film cutting knife 6 face downward and correspond to the aluminum film 4 used to block the top of the liquid bin 71;

[0021] The external entity of the solid bin 8 is the screw cap 1, and the film cutting knife 6 is arranged on the inner side of the screw cap 1, the screw cap 1 is threadedly embedded in the top of the bottle 7, and the film cutting knife 6, the liquid bin 71 and the solid bin 8 are all located in the combination formed by the screw cap 1 and the bottle 7.

[0022] The screw cap 1 includes an outer cap 2 and a middle cap 5. The middle cap 5 is threadedly sleeved in the outer cap 2. The inner thread of the middle cap 5 is sleeved with a film cutting knife 6. The film cutting knife 6 is arranged around the bottom of the solid bin 8. The lower end of the middle cap 5 is threadedly sleeved on the outer top of the bottle 7, and the film cutting knife 6 and the aluminum film 4 are both located in the middle cap 5.

[0023] The height of the outer cover 2 is consistent with that of the middle cover 5 , so that when the outer cover 2 is sleeved on the middle cover 5 , the bottom of the outer cover 2 is flush with the bottom of the middle cover 5 .

[0024] The top of the film cutting knife 6 is sealed with the cavity of the outer cover 2 to form the above-mentioned solid bin 8. The solid bin 8, the internal space of the middle cover 5 and the internal space of the outer cover 2 are connected to each other and are used to unscrew the outer cover 2. When the film cutting knife 6 cuts the aluminum film 4, the liquid bin 71 is connected to the solid bin 8. At this time, when the opening of the liquid bin 71 is tilted downward, the nutrient solution inside the liquid bin 71 first passes through the through hole on the inner side of the film cutting knife 6, and then flows to the solid bin 8, and flows out through the channel on the solid bin 8. The nutrient solution can carry powder or crystal balls out of the opening of the bottle 7.

[0025] The method in which this patent is installed on the bottle 7 is mainly as follows:

[0026] (1) First, thread the film cutting knife 6 onto the middle cover 5;

[0027] (2) Turn over the outer cover 2, fill the solid particles or crystal balls into the solid bin 8, and then tighten them using the threads between the middle cover 5 and the outer cover 2 while turning over), thus completing the assembly of the upper part of the bottle;

[0028] (3) Injecting nutrient solution etc. into the liquid tank 71 and sealing it with aluminum film 4;

[0029] (4) Finally, the assembled middle cover 5 and outer cover 2, i.e., the upper part of the bottle, are pressed onto the bottle body to complete the assembly.

[0030] Working principle: When the bottle cap 1 is unscrewed, the film cutting knife 6 will cut the aluminum film 4, the solid bin 8 and the liquid bin 71 will be opened, and the formed space channel will be connected with the through hole 3; when in use, the bottle body will be turned over, and the nutrient solution inside the liquid bin 71 will flow into the solid bin 8 through the through hole 3, carrying the powder (or crystal ball) in the solid bin 8 out through the bottle mouth.

[0031] The utility model places a film cutting knife 6 and a solid bin 8 in a screw cap 1. Specifically, the solid bin 8 is composed of a film cutting knife 6 and an outer cover 2. The solid bin 8 is located in a middle cover 5. The middle cover 5 is located in the outer cover 2. The outer cover 2 and the middle cover 5 are connected to each other. When the screw cap 1 is unscrewed, the film cutting knife 6 is driven by rotation to cut the aluminum film 4. Since the sharp teeth of the film cutting knife 6 face downward and are hidden between the liquid bin 71 and the solid bin 8, the film cutting knife 6 cannot be touched after the screw cap 1 is opened. Therefore, the entire contact surface is smooth, safe, and convenient, which meets the consumer's use experience.

[0032] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited to the above embodiments. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A rotary knife feeding and film cutting structure, characterized in that: It includes a film cutting knife, a liquid bin and a solid bin, wherein the liquid bin is located below the solid bin, the film cutting knife is arranged on the outer side wall of the bottom of the solid bin and is located between the solid bin and the liquid bin, and the sharp teeth on the film cutting knife face downward and correspond to the aluminum film used to seal the top of the liquid bin; The external entity of the solid bin is a screw cap, and the film cutting knife is arranged on the inner side of the screw cap, the screw cap is embedded on the top of the external entity of the liquid bin, and the film cutting knife, liquid bin and solid bin are all located in the combination formed by the screw cap and the external entity of the liquid bin.

2. A rotary knife feeding and film cutting structure according to claim 1, characterized in that: The screw cap includes an outer cover and a middle cover. The middle cover is threadedly sleeved in the outer cover. The inner thread of the middle cover is sleeved with a film cutting knife. The lower end of the middle cover is threadedly sleeved in the outer top of the entity outside the liquid bin, and the film cutting knife and the aluminum film are both located in the middle cover.

3. The rotary knife feeding and film cutting structure according to claim 2 is characterized in that: The height of the outer cover is consistent with that of the middle cover, so that when the outer cover is sleeved on the middle cover, the bottom of the outer cover is aligned with the bottom of the middle cover and is sleeved on the bottle body.

4. The rotary knife feeding and film cutting structure according to claim 2, characterized in that: The solid bin is formed after the top of the film cutting knife is sealed with the cavity of the outer cover. The solid bin, the internal space of the middle cover and the internal space of the outer cover are connected to each other for unscrewing the outer cover. When the film cutting knife cuts the aluminum film, the liquid bin is connected to the solid bin. At this time, when the opening of the liquid bin is tilted downward, the nutrient solution inside the liquid bin first passes through the through hole on the inner side of the film cutting knife, and then flows into the solid bin and flows out through the channel on the solid bin. The nutrient solution can carry powder or crystal balls to flow out of the external entity opening of the solid bin.