WO2009059486A1

WO2009059486A1 - Top-opening dual sealing, three-piece anti-false plastic bottle closure

Info

Publication number: WO2009059486A1
Application number: PCT/CN2007/071076
Authority: WO
Inventors: Huanwen Dong; Qinggao Wang
Original assignee: Huanwen Dong; Qinggao Wang
Priority date: 2007-11-09
Filing date: 2007-11-16
Publication date: 2009-05-14
Also published as: CN201099438Y

Abstract

A top-opening dual sealing, three-piece anti-false plastic bottle closure, composed of a cap body (11), a cap plug (21) and an external cap (31). The cylinder of the upper part of the cap body (11) has external threads (12), the inner wall of the cylinder forms a second cap conic opening (13), the inner wall of the lower part of the cap body (11) has inward projections (14), the external wall of the lower part of the cap body (11) has external projection rings (15), a bottle sealing plug (16) is disposed inside the lower part of the cap body (11), and a first cap conic opening (17) is formed inside the sealing plug (16). The cap plug (21) is integral by two hollow cylinders connected, wherein the diameter of the upper hollow cylinder is smaller than the diameter of the lower hollow cylinder, the external wall of the lower cylinder of the cap plug (21) has protrusions (22) and the inner wall of which has inner threads (23), the middle part of which has a first conic stem (25), a second conic stem (26) is disposed around supporting ribs (24). The external cap (31) is hollow cylinder, the inner wall of which has projections (32), longitudinal props (33) are disposed upper the projections (32), and the center of the top surface of the external cap (31) has a tear-off element (34). The closure has a simple structure, a lower cost and achieves better seal performance.

Description

Top open double seal, three-piece plastic anti-counterfeit cap

This application claims priority to Chinese Patent Application No. 200720182249.4, titled "Top Open Double Seal, Three Piece Plastic Anti-Counterfeit Cap", filed on November 9, 2007. This is incorporated herein by reference.

Technical field

The utility model relates to an anti-counterfeiting product, in particular to an anti-counterfeit bottle cap for wine, food, medicine and the like.

Background technique

At present, the application of bottle anti-counterfeiting technology is more and more extensive. The bottle cap is used as part of the bottle packaging, and its anti-counterfeiting function and production form are also different, which leads to various types of anti-counterfeit caps such as twist-off type and open type. .

For example, "A ejector type anti-counterfeit bottle cap" disclosed in Chinese patent CN200620124017.9 is assembled from the outer cover, the upper core, the lower core, the inner plug, etc., the inner plug is inserted into the glass bottle mouth, and the upper core is press-fitted. Plug, seal the bottle mouth with the inner plug, the upper part of the lower core is threadedly engaged with the upper core, the lower core cannot rotate and slide relative to the glass bottle mouth, the outer cover is set on the outer circumference of the lower core, and is hooked by its own hook The lower end of the lower core moves the outer cover and the lower core synchronously up and down, and the outer cover is provided with an ejection block which can be separated from the outer cover under pressure. The cap has a single plug seal structure, so it is prone to leakage and the flow rate cannot be adjusted after opening.

Another example is the "rotating top-opening anti-counterfeit bottle cap" disclosed in the Chinese patent CN200520069983.0. The outer casing is provided with a bottle ring fixed to the bottle body, and the bottle ring is provided with a inner plug of a sealed bottle mouth, and the upper part of the outer casing is prefabricated with a break. The opening is provided with a sealing ball on the inner plug, and a cock is arranged between the upper part of the sealing ball and the top surface of the outer casing, the cock is snapped onto the inner plug, and the inner plug is snapped into the bottle ring. The cap seals and regulates the flow rate by sealing the ball. Since the sealing ball is easily swayed after being loosened, the flow rate is unstable, and it is easy to make a strange sound due to the collision, which affects the use effect.

Utility model content

In view of the deficiencies of the prior art, the utility model aims to provide a top-open double-layer seal and a three-piece plastic anti-counterfeit bottle cap with simple structure, low cost, strong transportation and cleaning property, good sealing performance and novel structure. .

In order to achieve the above object, the technical solution adopted by the utility model is: A top open double seal, three-piece plastic anti-counterfeit bottle cap, the cap consists of a cover body, a cap and an outer cover, the upper part of the cap body has an external thread, and the inner wall forms a second cover The inner wall of the lower part of the cover body is provided with an inner hook for connecting the bottle mouth, and the outer wall is provided with an outer snap ring for connecting the outer cover, and a bottle sealing plug for sealing the bottle mouth is arranged inside, and the sealing plug is formed. There is a first cover cone, the cover is integrally formed by two hollow cylinders which are large and small, and a convex key is formed on the outer wall of the lower cylinder, and the inner wall has an internal thread matched with the upper part of the cover body. a first cone plug supported by the support rib is arranged in the middle portion, and a second cone plug integrally connected with the cover plug is arranged around the support rib, the outer cover is hollow cylindrical, and the inner wall has a hook for fixing the cover body. The top of the hook is provided with a plurality of longitudinal ribs matched with the male plugs, and a top break security ring is arranged at the center of the top.

In a further detailed configuration, the first cone plug is a plug having a tapered outer surface and the second cone plug is a circular tube having a tapered outer surface.

In a further detailed structure, the cover body is provided with an outer snap ring at both upper and lower ends of the lower portion. In a further detailed structure, the cover is of unitary construction.

In a further detailed configuration, the cover, the closure and the outer cover are both plastic injection molded.

The utility model changes the design concept of the single-plug seal of the bottle cap in the past, and uses the double plug seal to make the cap seal more reliable, and the cover body becomes an integrated structure, the shape is simple, the process is simple and reliable, and the assembly and dust removal are convenient. The caps are transported without relative moving parts, and the impurities generated by the collision of the inner parts when the caps are transported are eliminated. The bottle cap has the advantages of simple structure, low cost, strong transportation and cleaning property, good sealing performance and novel and generous structure, and can be used as an upgraded product of the existing top-opening plastic anti-counterfeit bottle cap, and has very good promotion and application value.

DRAWINGS

Figure 1 is a schematic structural view of a cover body;

Figure 2 is a schematic view of the structure of the closure;

Figure 3 is a schematic structural view of the outer cover;

Figure 4 is a schematic view of the overall structure of the present invention.

detailed description

The present invention will be further described in detail below with reference to the accompanying drawings.

The reference numerals are as follows:

11. Cover body 12. External thread

13. Second cover cone 14. Inner hook 15. Outer snap ring 16. Bottle seal plug

17. First cover cone

21. Cover 22. The convex key

23. Internal thread 24. Support rib

25. First cone plug 26. Second cone plug

31. Cover 32. Hook

33. ribs 34. Top break security ring

As shown in FIG. 1 , the upper part of the cover body 11 has an external thread 12 , and the inner wall forms a second cover taper 13 . The inner wall of the lower part of the cover body is provided with an inner hook 14 for connecting the bottle mouth, and the outer wall is up and down. An outer snap ring 15 for connecting the outer cover is disposed at both ends, and a bottle mouth sealing plug 16 for sealing the bottle mouth is disposed inside, and a first cap taper 17 is formed in the sealing plug.

As shown in FIG. 2, the plug 21 is integrally formed by two hollow cylinders which are large and small, and the outer wall of the lower cylinder is formed with a convex key 22, and the inner wall has an internal thread matched with the upper part of the cover body. 23, a first cone plug 25 supported by the support rib 24 is disposed in the middle portion, the cone plug is a plug having a tapered outer surface, and a second cone plug 26 integrally connected with the plug is disposed around the support rib. Blocked into a circular tube with a tapered outer surface.

As shown in FIG. 3, the outer cover 31 has a hollow cylindrical shape, and two hooks 32 for fixing the cover body are disposed on the inner wall thereof, and a plurality of longitudinal protrusions corresponding to the convex keys of the cover are evenly distributed on the upper side of the hook. The rib 33 has a top break security ring 34 at the center of the top.

As shown in FIG. 4, the cap 21 is screwed onto the cover 11 and then directly pressed into the fixing hook of the outer cover 31 to complete the assembly of the cap. When the cap is pressed onto the bottle, the cover 11 is mounted. The bottle mouth sealing plug seals the bottle mouth and the inner hook is fastened on the step of the bottle mouth, and the package is simple and reliable, and the first cone plug and the first cover taper, the second cone plug and the second cover taper realize double The plug seal ensures leak-proof performance of the cap.

When the anti-counterfeit bottle cap is opened, the outer cover is only required to rotate counterclockwise, and the rib on the inner wall drives the cap to rotate by the cooperation with the convex key. Since the cover body and the bottle mouth are relatively fixed, the cap is rotated. At the same time, it will rise upwards, gradually separating the first cone plug from the first cover cone, and simultaneously opening the top break security ring, at which time the liquid in the bottle can pass between the first cone plug and the first cover cone And the gap between the stopper ribs flows outward, and the flow rate can be adjusted by controlling the height of the lid plug. When the valve is closed, the cover is rotated clockwise, and the cover is automatically retracted to restore the original double Sealed to prevent outflow of liquid from the bottle. The present invention is not limited to the above-described preferred embodiments, and any other form of product can be derived by anyone of the present invention. For example, the cover body is a one-piece structure, or the cover body, the cover body and the outer cover are both plastic injection molding and the like. However, any technical solution that is identical or similar to the present invention is within the scope of its protection, regardless of its shape or structure.

Claims

Rights request

1. A top-opening double-layer seal, a three-piece plastic anti-counterfeit bottle cap, characterized in that the cap is composed of a cover body, a cap plug and an outer cap, and the cylinder of the upper part of the cap body has an external thread. The inner wall forms a second cover taper, and the inner wall of the lower part of the cover body is provided with an inner hook for connecting the bottle mouth, and the outer wall is provided with an outer snap ring for connecting the outer cover, and a bottle seal for sealing the bottle mouth is arranged inside. a first cover taper is formed in the sealing plug, and the cover plug is integrally formed by two hollow cylinders which are large and small, and a convex key is formed on the outer wall of the lower cylinder, and the upper part of the upper wall is provided with the upper part of the cover body a matching internal thread, a first cone plug supported by the supporting rib in the middle, and a second cone plug integrally connected with the plug rib around the supporting rib, the outer cover is hollow cylindrical, and the inner wall is fixed for fixing The hook of the cover body is provided with a plurality of longitudinal ribs matched with the convex keys of the cover plug, and a top break security ring at the top center.

2 . The top open double seal and the three-piece plastic anti-counterfeit bottle cap according to claim 1 , wherein the first cone plug is a plug having a tapered outer surface, and the second cone plug It is a round tube with a tapered outer surface.

3. The top-opening double-layer seal and three-piece plastic anti-counterfeit bottle cap according to claim 1, wherein the cover body is provided with an outer snap ring at both upper and lower ends of the lower portion.

4. The top-opening double-layer seal, three-piece plastic anti-counterfeit bottle cap according to claim 1, wherein the cover body is of a unitary structure.

5. The top open double seal, three piece plastic anti-counterfeit cap according to claim 1, wherein the cover, the plug and the outer cover are both plastic injection molded.