Easily-opened bottle cap with frosted surface

Abstract

The utility model discloses an easy-to-open bottle cap with a frosted surface. The easy-to-open bottle cap comprises a cap body and a heat-sealing gasket, the cover body is provided with a containing cavity matched with the bottle opening, and threads connected with the bottle body in a screwed mode are arranged on the side wall of the inner circumference of the containing cavity in a protruding mode; the heat sealing gasket is arranged in the accommodating cavity; the inner bottom face of the containing cavity makes contact with the top face of the heat sealing gasket, and the inner bottom face of the containing cavity and / or the top face of the heat sealing gasket are / is frosted faces. The inner bottom surface of the accommodating cavity and / or the top surface of the heat-sealing gasket are / is the frosted surface, so that vacuum is effectively prevented from being formed between the heat-sealing gasket and the cover body in the electromagnetic heating process of the heat-sealing gasket, the heat-sealing gasket cannot be firmly adsorbed on the inner bottom surface of the cover body, the cover body and the heat-sealing gasket can be easily separated when the cover is opened, and the cover body is prevented from being damaged. Therefore, the heat-sealing gasket is prevented from being taken away from a bottle opening by the cover body, cover opening inspection in the material filling production process is facilitated, the torque for unscrewing the cover body is only about 2N. M, cover opening is very labor-saving and easy, and convenience is brought to a user to open the cover.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field technology of bottle cap especially to a sanding surface easy-to-open bottle cap. BACKGROUND

[0002] Bottle caps are usually connected with bottle bodies through threads or other ways to form a sealed container for storing liquid, powder or granular substances, etc. Their main functions are to keep the freshness of the materials in the bottle, prevent leakage and pollution, and facilitate carrying and storage. The materials of bottle caps are various, and the common ones are plastic (such as polyethylene, polypropylene, etc.), metal (such as aluminum, iron, etc.) and glass, etc. Plastic bottle caps are widely used in beverage, condiment, cosmetic industries due to their lightness, easy molding and low cost; metal bottle caps are often used for packaging beer, soda and other carbonated beverages and some high-end white wine due to their excellent sealing performance and durability; glass bottle caps are used in some special occasions (such as wine bottles) due to their high transparency, non-deformation and easy cleaning, etc.

[0003] The main structure of the current bottle cap includes a cap body and a heat-sealing gasket. The cap body has a accommodating cavity matched with the bottle mouth, and the inner circumferential wall of the accommodating cavity is provided with screw threads for screwing connection with the bottle body. The heat-sealing gasket is arranged in the accommodating cavity. During filling production, the heat-sealing gasket is placed in the accommodating cavity, and after the bottle is filled with materials, the bottle cap is fitted on the bottle mouth of the bottle. Then, the heat-sealing gasket is melted around the edge by electromagnetic induction heating, and the edge of the opening of the bottle mouth is bonded, so as to seal the opening of the bottle mouth.

[0004] In actual production, the heat-sealed product needs to be opened and sampled on the production line. It is found that a small amount of products will have the heat-sealing gasket taken away from the bottle mouth and firmly adsorbed on the inner bottom surface of the cap body when opening, and the cap body is difficult to separate from the heat-sealing gasket, which causes inconvenience in opening and checking during the material filling production process. The above situation will cause the product with the heat-sealing gasket taken away from the bottle mouth to be unable to be put back into the production line again, resulting in a high waste rate and also causing the product to be unqualified. In addition, the torque for rotating the cap body is at least 10 N·m or more, and it is very laborious to open the cap, which is not convenient for the user to open the cap. There is no relevant literature record of this situation, and there is also no relevant technical means recorded in the literature to effectively solve this problem. Therefore, it is necessary to improve the current bottle cap. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model mainly aims at the defects of the prior art, and provides an easy-to-open bottle cap which can effectively solve the problem that the cap body of the existing bottle cap easily takes away the heat-sealing gasket from the bottle mouth and is laborious to open.

[0006] The researchers find that, since the inner bottom surface of the cover and the top surface of the heat sealing gasket are both smooth planes, a vacuum is easily formed between the heat sealing gasket and the cover during electromagnetic heating of the heat sealing gasket, and the vacuum adsorption force of some products at the position is greater than the bonding force between the heat sealing gasket and the bottle mouth, so that the heat sealing gasket is taken away from the bottle mouth.

[0007] To achieve the above object, the utility model adopts the following technical scheme:

[0008] A sand face easy-to-open bottle cap, comprising a cover and a heat sealing gasket; the cover has a accommodating cavity matched with the bottle mouth, and the inner circumferential wall of the accommodating cavity is provided with screw threads for screwing connection with the bottle body; the heat sealing gasket is arranged in the accommodating cavity; the inner bottom surface of the accommodating cavity is in contact with the top surface of the heat sealing gasket, and the inner bottom surface of the accommodating cavity and / or the top surface of the heat sealing gasket is a sand surface.

[0009] As a preferred scheme, the sand surface is located on the inner bottom surface of the accommodating cavity, and the size and shape of the sand surface are matched with the size and shape of the top surface of the heat sealing gasket; the sand surface is circular, and correspondingly, the top surface of the heat sealing gasket is circular.

[0010] As a preferred scheme, a fixing ring is arranged directly below the cover, and the fixing ring is connected with the cover through a plurality of breakable points; the breakable points are arranged at intervals, so as to realize anti-fake filling.

[0011] As a preferred scheme, the cover and the fixing ring are both made of plastic material, and the fixing ring is integrally connected with the cover through the plurality of breakable points; the structure is simple, and the fixing ring is easy to manufacture.

[0012] As a preferred scheme, the heat sealing gasket is a composite structure of foamed PE and aluminum film, so as to better perform electromagnetic induction heating.

[0013] Compared with the prior art, the utility model has obvious advantages and beneficial effects, specifically speaking, the above technical scheme can know that:

[0014] By making the inner bottom surface of the accommodating cavity and / or the top surface of the heat sealing gasket a sand surface, a relatively rough contact surface is formed between the inner bottom surface of the cover and the heat sealing gasket, so that the vacuum formed between the heat sealing gasket and the cover during electromagnetic heating of the heat sealing gasket can be effectively prevented; the heat sealing gasket will not be adsorbed on the inner bottom surface of the cover, the cover and the heat sealing gasket can be easily separated when the cover is opened, so that the cover taking away the heat sealing gasket is avoided, the opening inspection in the filling production process of materials is facilitated, and the torque of the cover when being rotated is only about 2N·m, so that the cover is very labor-saving and easy to open, and convenience is brought to the user when opening the cover.

[0015] In order to make the structure features and functions of the present application more clear, the present application will be described in detail below in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 is a perspective view of a preferred embodiment of the present application;

[0017] Fig. 2 is a front view of a preferred embodiment of the present application;

[0018] Fig. 3 is a bottom view of a preferred embodiment of the present application (without heat-seal gasket state);

[0019] Fig. 4 is a sectional view of a preferred embodiment of the present application (from heat-seal gasket state).

[0020] BRIEF DESCRIPTION OF DRAWINGS

[0021] 10, cover body 11, accommodating cavity

[0022] 12, screw thread 13, frosted surface

[0023] 14, anti-skid recess 20, heat-seal gasket

[0024] 30, fixing ring 31, easy break point DETAILED DESCRIPTION

[0025] Please refer to Figs. 1 to 4 , which shows the specific structure of a preferred embodiment of the present application, comprising a cover body 10 and a heat-seal gasket 20.

[0026] The cover body 10 has an accommodating cavity 11 adapted to the bottle mouth, and the inner circumferential side wall of the accommodating cavity 11 is provided with screw threads 12 for screwing connection with the bottle body; the inner bottom surface of the accommodating cavity 11 is a frosted surface 13. In this embodiment, a fixing ring 30 is arranged directly below the cover body 10, and the fixing ring 30 is connected with the cover body 10 through a plurality of easy break points 31, which are arranged at intervals to achieve anti-fake filling, and the fixing ring 30 is used to fit on the part of the bottle neck. In addition, the cover body 10 and the fixing ring 30 are both made of plastic material, and the fixing ring 30 is integrally formed with the cover body 10 through a plurality of easy break points 31, which is simple in structure and easy to manufacture. In addition, the outer circumferential surface of the cover body 10 is recessed with a plurality of anti-skid recesses 14.

[0027] The heat-seal gasket 20 is arranged in the accommodating cavity 11, the frosted surface 13 is in contact with the top surface of the heat-seal gasket 20, and the heat-seal gasket 20 is used for sealing the opening of the bottle mouth. In the embodiment, the size and shape of the frosted surface 13 are matched with the size and shape of the top surface of the heat-seal gasket 20, the frosted surface 13 is circular, and correspondingly, the top surface of the heat-seal gasket 20 is circular, so that the cover body is better separated from the heat-seal gasket. In addition, the heat-seal gasket 20 is a composite structure of foamed PE and aluminum film, so that the electromagnetic induction heating is better.

[0028] Of course, the frosted surface can also be arranged on the top surface of the heat-seal gasket 20, or the top surface of the heat-seal gasket 20 and the inner bottom surface of the accommodating cavity 11 are both frosted surfaces.

[0029] The use method of the embodiment is as follows:

[0030] In the filling production, the heat-seal gasket 20 is arranged in the accommodating cavity 11, and after the bottle is filled with the material, the product is sleeved on the bottle mouth of the bottle. Then, the electromagnetic induction heating is used to melt the periphery of the heat-seal gasket 20 and bond the periphery of the opening of the bottle mouth, so as to seal the opening of the bottle mouth. Due to the arrangement of the frosted surface 13, the heat-seal gasket 20 cannot form a vacuum with the cover body 10, so that the heat-seal gasket 20 cannot be sucked to the cover body 10. When the cover body 10 is opened, the plurality of breakable points 31 between the cover body 10 and the fixing ring 30 are broken, and then the cover body 10 is continuously rotated to open the cover body 10. The cover body 10 and the heat-seal gasket 20 can be easily separated, the cover body 10 does not take the heat-seal gasket 20 away from the bottle mouth, the heat-seal gasket 20 can seal the opening of the bottle mouth, and the torque required for rotating the cover body 10 is only about 2N·m, so that the cover body 10 is easily opened.

[0031] The design emphasis of the utility model lies in that: the inner bottom surface of the accommodating cavity and / or the top surface of the heat-seal gasket is a frosted surface, so that a relatively rough contact surface is formed between the inner bottom surface of the cover body and the heat-seal gasket. The heat-seal gasket and the cover body cannot form a vacuum in the process of electromagnetic heating of the heat-seal gasket, so that the heat-seal gasket cannot be firmly adsorbed on the inner bottom surface of the cover body. When the cover body is opened, the cover body and the heat-seal gasket can be easily separated, so that the cover body does not take the heat-seal gasket away from the bottle mouth. The torque required for rotating the cover body is only about 2N·m, so that the cover body is easily opened, and convenience is brought to the user.

[0032] The above is only a preferred embodiment of the utility model, and does not limit the technical range of the utility model. Any slight modification, equivalent change and modification made according to the technical essence of the utility model are still within the scope of the technical scheme of the utility model.

Claims

1. A sand-blasted easy-open bottle cap, comprising a cap body and a heat-seal gasket; the cap body has a receiving cavity adapted to the bottle mouth, and the inner circumferential wall of the receiving cavity is provided with screw threads for screwing connection with the bottle body; the heat-seal gasket is arranged in the receiving cavity; characterized in that: The inner bottom surface of the accommodating cavity is in contact with the top surface of the heat-seal gasket, and the inner bottom surface of the accommodating cavity and / or the top surface of the heat-seal gasket is a frosted surface.

2. A bottle cap according to claim 1, wherein: The frosted surface is located on the inner bottom surface of the accommodating cavity, and the size and shape of the frosted surface are matched with the size and shape of the top surface of the heat-seal gasket.

3. A bottle cap according to claim 1, wherein: A fixing ring is arranged directly below the cover body, and the fixing ring is connected with the cover body through a plurality of breakable points.

4. A bottle cap according to claim 3, wherein: The cover body and the fixing ring are both made of plastic material, and the fixing ring is integrally connected with the cover body through the plurality of breakable points.

5. A bottle cap according to claim 1, wherein: The heat-seal gasket is a composite structure of foamed PE and aluminum film.

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