Bottle cap for Chinese liquor

Abstract

This utility model provides a liquor bottle cap, relating to the field of bottle cap technology. It includes a lower aluminum barrel, an upper aluminum barrel, and an upper sealing plug. The upper aluminum barrel is fixedly connected to the top of the lower aluminum barrel. The upper sealing plug is located inside the upper aluminum barrel. An inner cap is fixedly connected to the inner side of the upper aluminum barrel. An upper connecting sleeve is fixedly connected to the inner side of the inner cap. An upper connecting slide is fixedly connected to the top of the inner side of the upper connecting sleeve. A downward curved foot is provided at the lower part of the upper connecting sleeve, curving outwards and located inside an annular upper groove. The inner side of the downward curved foot fits against the front pointed bevel of an inner cutting block, pushing the inner cutting block to move and press the connection between the upper and lower connecting sleeves, reducing the force required to separate the upper and lower connecting sleeves. This solves the problem that traditional aluminum-plastic bottle caps require significant force to open, making them difficult for elderly consumers, female consumers, and other people with weaker hand strength to operate.

Description

Technical Field

[0001] This utility model relates to the field of bottle cap technology, and in particular to a liquor bottle cap. Background Technology

[0002] The bottle cap is the component that seals the mouth of the liquor bottle. The main functions of the liquor bottle cap include sealing and preventing leakage (preventing the liquor from evaporating and external impurities from entering), anti-counterfeiting and traceability (preventing the circulation of counterfeit and inferior products), enhancing product recognition (highlighting the brand positioning through shape and material), and taking into account both ease of opening and safety of use.

[0003] Traditional bottle caps (such as ordinary screw caps and snap caps) are mostly "reusable structures" and leave no irreversible marks after opening. Counterfeiters can recycle old bottle caps, clean them, and reseal them, leading to frequent counterfeit problems of "old caps for new wine" (the counterfeit rate of mid-to-high-end liquor exceeds 15%). Consumers find it difficult to identify them intuitively. Traditional aluminum-plastic bottle caps require a lot of force to open, making them difficult for middle-aged and elderly consumers, female consumers, and other people with weaker hand strength to operate. Summary of the Invention

[0004] This utility model provides a liquor bottle cap where, when the lower aluminum barrel closes with the upper aluminum barrel again, the lower curved foot is at the top of the upper aluminum barrel and is directly exposed, making it impossible to return to the state before opening, thus forming obvious "opening marks" to achieve the purpose of anti-counterfeiting. The inner side of the lower curved foot is attached to the front pointed bevel of the inner cutting block, pushing the inner cutting block to move and squeeze the connection between the upper and lower connecting sleeves. The inner cutting block forms a "point pressure" squeeze on the connection between the upper and lower connecting sleeves, reducing the force required to separate the upper and lower connecting sleeves.

[0005] This utility model provides a liquor bottle cap, specifically including: a lower aluminum barrel, an upper aluminum barrel, and an upper sealing plug. The upper aluminum barrel is fixedly connected to the top of the lower aluminum barrel, and the upper sealing plug is provided on the inner side of the upper aluminum barrel. A lower connecting sleeve is fixedly connected to the inside of the lower aluminum barrel. An annular upper hollow groove is opened at the upper part of the lower aluminum barrel and the lower connecting sleeve. Inner cutting blocks are arranged in annular array on the inner side of the annular upper hollow groove. Side connecting rings are fixedly connected between the inner cutting blocks. The side connecting rings bend and deform to adapt to the inner cutting blocks shrinking and moving towards the center.

[0006] Furthermore, an inner cover is fixedly connected to the inner side of the upper aluminum barrel, an upper connecting sleeve is fixedly connected to the inner side of the inner cover, an upper connecting slide is fixedly connected to the top of the inner side of the upper connecting sleeve, and a lower curved foot is provided at the bottom of the upper connecting sleeve.

[0007] Furthermore, the lower curved foot bends and extends outward, and is located inside the annular upper groove. After the lower aluminum barrel and the upper aluminum barrel are opened and separated, when the lower aluminum barrel and the upper aluminum barrel are closed again, the lower curved foot is directly exposed to the outside.

[0008] Furthermore, the lower end of the upper sleeve and the top of the lower sleeve are fixedly connected, and the 30°-45° pointed structure at the front of the inner cutting block is aligned with the connection between the upper sleeve and the lower sleeve.

[0009] Furthermore, the inner side of the lower curved foot and the rear of the inner cutting block are attached. When the upper aluminum barrel and the lower curved foot move upward synchronously, the lower curved foot pushes the inner cutting block along the annular upper slot to move towards the side of the upper connecting sleeve. The movement of the inner cutting block squeezes the connection between the upper connecting sleeve and the lower connecting sleeve.

[0010] Furthermore, the upper sealing plug is made of food-grade silicone rubber, with 2 to 3 sealing ribs on the outside and a compression amount of 2 to 3 mm. An upper support spring is fixedly connected to the top of the upper sealing plug. The upper sealing plug and the upper connecting slide are axially slidably connected. The upper support spring supports the upper sealing plug to slide axially along the upper connecting slide and enter the bottle mouth first.

[0011] Furthermore, the tail end of the upper support spring is fixedly connected to the upper connecting slide, and the elastic support of the upper support spring can compensate for the difference in thermal expansion and contraction between the bottle mouth and the upper sealing plug caused by temperature changes.

[0012] This utility model provides a liquor bottle cap, which has the following beneficial effects: After the lower aluminum drum and the upper aluminum drum are opened and separated, when the lower aluminum drum closes with the upper aluminum drum again, the lower curved foot is on top of the upper aluminum drum and will be directly exposed. It cannot be restored to the state before opening, forming obvious "opening marks" to achieve the purpose of anti-counterfeiting.

[0013] When the lower aluminum drum moves upward and separates, the inner side of the lower curved foot fits against the front pointed bevel of the inner cutting block, pushing the inner cutting block to move and squeeze the connection between the upper and lower sleeves. The inner cutting block forms a "point-pressure" squeeze at the connection between the upper and lower sleeves, accelerating the separation of the upper and lower sleeves. Compared with the traditional non-guided structure (which relies on brute force to separate), it reduces the force required to separate the upper and lower sleeves, making it suitable for middle-aged and elderly consumers, female consumers and other people with weaker hand strength, and significantly improving the ease of opening.

[0014] The upper support spring supports the upper sealing plug to slide axially along the upper connecting slide and enter the bottle mouth first, ensuring accurate sealing alignment and improving the initial sealing effect. The elastic support of the upper support spring can compensate for the difference in thermal expansion and contraction between the bottle mouth and the upper sealing plug caused by temperature changes (such as the temperature difference of storage environment -10℃ to 40℃), ensuring the flavor stability of baijiu (especially sauce aroma type, strong aroma type and other categories that need long-term storage) within the shelf life, and avoiding problems such as cross-contamination of liquor and reduction of alcohol content due to sealing failure. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments will be briefly described below.

[0016] The accompanying drawings described below are only related to some embodiments of the present invention and are not intended to limit the scope of the present invention.

[0017] In the attached diagram: Figure 1 A schematic diagram of the overall structure of this application is shown; Figure 2 This invention provides a schematic diagram showing a half-section of the lower and upper aluminum drums. Figure 3 A schematic diagram of the lower aluminum barrel structure of this application is shown; Figure 4 This paper shows a schematic diagram of a partial cross-section of the upper sealing plug of this application; Figure 5 A schematic diagram of the annular upper groove of this application is shown; Figure 6 A schematic diagram of the structure of the upper aluminum barrel of this application is shown; Figure label: 1. Lower aluminum drum; 101. Lower connecting sleeve; 102. Annular upper slot; 103. Inner cutting block; 104. Side connecting ring; 2. Upper aluminum drum; 201. Inner lid; 202. Upper connecting sleeve; 203. Upper connecting slide; 204. Lower curved leg; 3. Upper sealing plug; 301. Upper support spring. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the described embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0019] Example 1: Please refer to Figures 1 to 6 : This utility model proposes a liquor bottle cap, including a lower aluminum barrel 1, an upper aluminum barrel 2, and an upper sealing plug 3. A lower connecting sleeve 101 is fixedly connected inside the lower aluminum barrel 1. An annular upper groove 102 is formed on the upper part of the lower aluminum barrel 1 and the lower connecting sleeve 101. Inner cutting blocks 103 are arranged in annular array on the inner side of the annular upper groove 102. Side connecting rings 104 are fixedly connected between the inner cutting blocks 103. The side connecting rings 104 bend and deform to adapt to the inner cutting blocks 103 shrinking and moving towards the center. The upper aluminum barrel 2 is fixedly connected to the top of the lower aluminum barrel 1. An inner cap 201 is fixedly connected to the inner side of the upper aluminum barrel 2. An upper connecting sleeve 202 is fixedly connected to the inner side of the inner cap 201. An upper connecting plug 3 is fixedly connected to the top of the inner side of the upper connecting sleeve 202. The upper connecting sleeve 202 has a lower curved foot 204 at its lower part, and the lower end of the upper connecting sleeve 202 is fixedly connected to the top of the lower connecting sleeve 101. The 30°-45° pointed structure at the front of the inner cutting block 103 is aligned with the connection between the upper connecting sleeve 202 and the lower connecting sleeve 101. The inner side of the upper aluminum barrel 2 is provided with an upper sealing plug 3. The upper sealing plug 3 is made of food-grade silicone rubber and has 2-3 sealing ribs on the outside. The compression amount is 2-3mm. The top of the upper sealing plug 3 is fixedly connected with an upper support spring 301. The upper sealing plug 3 and the upper connecting slide 203 are axially slidably connected. The upper support spring 301 supports the upper sealing plug 3 to slide axially along the upper connecting slide 203 and enter the bottle mouth first to ensure accurate sealing alignment.

[0020] In this embodiment, the lower curved foot 204 bends and extends outward. The lower curved foot 204 is located inside the annular upper groove 102. After the lower aluminum barrel 1 and the upper aluminum barrel 2 are opened and separated, when the lower aluminum barrel 1 and the upper aluminum barrel 2 are closed again, the lower curved foot 204 will be directly exposed and cannot be restored to the state before opening, forming obvious "opening marks" to achieve the purpose of anti-counterfeiting.

[0021] In this embodiment, the inner side of the lower curved foot 204 and the rear part of the inner cutting block 103 are attached. When the upper aluminum barrel 2 and the lower curved foot 204 move upward synchronously, the lower curved foot 204 pushes the inner cutting block 103 along the annular upper slot 102 to move towards the side of the upper connecting sleeve 202. The moving inner cutting block 103 presses the connection between the upper connecting sleeve 202 and the lower connecting sleeve 101, accelerating the separation of the upper connecting sleeve 202 and the lower connecting sleeve 101, and reducing the force required for the separation of the upper connecting sleeve 202 and the lower connecting sleeve 101.

[0022] In this embodiment, the tail end of the upper support spring 301 is fixedly connected to the upper connecting slide 203. The elastic support of the upper support spring 301 can compensate for the difference in thermal expansion and contraction between the bottle mouth and the upper sealing plug 3 caused by temperature changes, thus ensuring the stability of the seal.

[0023] In this second embodiment, based on the first embodiment, an annular protrusion is provided in the middle of the lower connecting sleeve 101, which axially engages and limits the movement with the groove on the inner wall of the liquor bottle mouth. The lower connecting sleeve 101 can slide along the axial direction of the liquor bottle mouth. After the lower aluminum barrel 1 and the upper aluminum barrel 2 are separated and opened, the lower connecting sleeve 101 and the upper aluminum barrel 2 move down along the liquor bottle mouth away from the lower aluminum barrel 1, increasing the distance between the lower aluminum barrel 1 and the upper aluminum barrel 2, making it impossible to return to the state before opening, thus achieving the purpose of anti-counterfeiting.

[0024] The working principle of this embodiment: The bottle cap adopts an aluminum-plastic combination to avoid direct contact between the aluminum material and the liquor, preventing aluminum ion migration. The aluminum material used for the appearance allows for rich pattern printing to enhance the grade. During filling, the bottle cap is directly pressed onto the apple. The upper connecting sleeve 202 is connected to the thread of the bottle mouth. The upper sealing plug 3 forms a 0.5-1mm interference fit with the inner wall of the bottle mouth. Rotating the upper aluminum barrel 2 and the upper connecting sleeve 202 causes the upper connecting sleeve 202 to move axially along the thread of the bottle mouth and connect with the lower aluminum barrel 1. The lower aluminum barrel 1 and the upper aluminum barrel 2 then separate. When the upper sleeve 202 and the lower sleeve 101 are disconnected and separated, and the lower aluminum barrel 1 and the upper aluminum barrel 2 are opened and separated, when the lower aluminum barrel 1 and the upper aluminum barrel 2 are closed again, the lower curved foot 204 is on top of the upper aluminum barrel 2 and the lower curved foot 204 will be directly exposed outside, and cannot be restored to the state before opening, forming obvious "opening marks" to achieve the purpose of anti-counterfeiting. Consumers can intuitively identify whether the bottle cap has been tampered with. The anti-counterfeiting reliability is 100% higher than that of traditional recoverable bottle caps such as ordinary screw caps, effectively preventing counterfeit products from being repackaged by recycling old bottle caps. When the lower aluminum drum 1 moves upward and separates, the inner side of the lower curved foot 204 adheres to the front pointed slope of the inner cutting block 103. The lower curved foot 204 converts the upward axial force into a lateral extrusion force, pushing the inner cutting block 103 to move and extrude the connection between the upper connecting sleeve 202 and the lower connecting sleeve 101. During this process, the inner cutting block 103 forms a "point-pressure" extrusion at the connection between the upper connecting sleeve 202 and the lower connecting sleeve 101, accelerating the separation of the upper connecting sleeve 202 and the lower connecting sleeve 101. Compared with the traditional non-guided structure (relying on brute force)... (Forceful separation), reducing the force required for separation by 40% to 60%, reducing the force required to separate the upper sleeve 202 and the lower sleeve 101, making it suitable for middle-aged and elderly consumers, female consumers and other people with weaker hand strength, significantly improving the ease of opening. After the upper sleeve 202 and the lower sleeve 101 are separated, an irreversible gap is formed at the connection point, further strengthening the anti-counterfeiting effect of "cannot be restored after opening", which meets the quality control requirements of the liquor industry for mid-to-high-end products of "traceability of source and anti-tampering". The upper support spring 301 supports the upper sealing plug 3 to slide axially along the upper connecting slide 203 and first enter the bottle mouth, ensuring accurate sealing alignment and improving the initial sealing effect. The elastic support of the upper support spring 301 can compensate for the thermal expansion and contraction difference between the bottle mouth and the upper sealing plug 3 caused by temperature changes (such as the temperature difference of storage environment -10℃ to 40℃). The sealing pressure is stably maintained at 0.3-0.5MPa, and the alcohol evaporation rate is reduced from ≥2% / year of traditional bottle caps to ≤0.5% / year, ensuring the flavor stability of baijiu (especially sauce-flavored and strong-flavored types that require long-term storage) within the shelf life and avoiding problems such as cross-contamination of the liquor and reduction of alcohol content due to sealing failure. This bottle cap has the comprehensive benefits of improved anti-counterfeiting reliability, reduced opening force, increased sealing pressure, and reduced alcohol evaporation rate, and fully meets the requirements of "anti-counterfeiting, safety, and sealing" in "Safety Requirements for Baijiu Packaging Containers and Materials" (GB / T41172). It is especially suitable for the quality control and consumer experience upgrade needs of mid-to-high-end baijiu.

[0025] The following points should be noted in this article: 1. The accompanying drawings of the embodiments disclosed herein only involve structures relevant to the embodiments disclosed herein; other structures may refer to general designs.

[0026] 2. Where there is no conflict, the embodiments of this disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0027] The above are merely specific embodiments of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this disclosure should be included within the scope of protection of this disclosure. Therefore, the scope of protection of this disclosure should be determined by the scope of the claims.

Claims

1. A bottle cap for baijiu (Chinese liquor), comprising: The lower aluminum barrel (1), the upper aluminum barrel (2), and the upper sealing plug (3) are characterized in that the upper aluminum barrel (2) is fixedly connected to the top of the lower aluminum barrel (1), the upper sealing plug (3) is provided on the inner side of the upper aluminum barrel (2), the inner cover (201) is fixedly connected to the inner side of the upper aluminum barrel (2), the upper connecting sleeve (202) is fixedly connected to the inner side of the inner cover (201), the upper connecting slide (203) is fixedly connected to the top of the inner side of the upper connecting sleeve (202), and the lower curved foot (204) is provided at the lower part of the upper connecting sleeve (202).

2. The liquor bottle cap according to claim 1, characterized in that, The lower aluminum barrel (1) is fixedly connected to the lower connecting sleeve (101). The upper part of the lower aluminum barrel (1) and the lower connecting sleeve (101) is provided with an annular upper slot (102). The inner side of the annular upper slot (102) is provided with an inner cutting block (103) in an annular array. The inner cutting block (103) is fixedly connected with a side connecting ring (104).

3. A liquor bottle cap according to claim 2, characterized in that, The lower curved foot (204) bends outward and extends outward, with the lower curved foot (204) located inside the annular upper slot (102).

4. A liquor bottle cap according to claim 2, characterized in that, The lower end of the upper sleeve (202) and the top of the lower sleeve (101) are fixedly connected, and the front pointed structure of the inner cutting block (103) is aligned with the connection between the upper sleeve (202) and the lower sleeve (101).

5. A liquor bottle cap according to claim 2, characterized in that, The inner side of the lower curved foot (204) and the rear of the inner cutting block (103) are attached. When the upper aluminum barrel (2) and the lower curved foot (204) move upward synchronously, the lower curved foot (204) pushes the inner cutting block (103) towards the side of the upper connecting sleeve (202) along the annular upper slot (102).

6. A liquor bottle cap according to claim 1, characterized in that, The top of the upper sealing plug (3) is fixedly connected to an upper support spring (301), and the upper sealing plug (3) and the upper connecting slide (203) are axially slidably connected.

7. A liquor bottle cap according to claim 6, characterized in that, The tail end of the upper support spring (301) is fixedly connected to the upper connecting slide (203).

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