CN220350508U - Threaded connection type anti-pulling upper cover - Google Patents

Abstract

The utility model discloses a threaded connection type anti-pulling upper cover which comprises an outer cover and an inner cover, wherein the outer cover is in threaded connection with the inner cover, a rotation stopping buckle is arranged at the lower position of the outer cover and the inner cover, and the rotation stopping buckle is used for limiting the axial movement of the inner cover and the outer cover. The outer cover is in threaded connection with the inner cover, so that the outer cover is prevented from being separated from the inner cover in a drawing mode; simultaneously, the bottoms of the outer cover and the inner cover are clamped with the clamping table through the thinning annular groove, so that the outer cover is prevented from unscrewing from the inner cover; when the outer cover is forcibly screwed out, the buckling table directly damages the outer cover structure through the thinning annular groove, so that the outer cover is deformed at the thinning groove, and further the outer cover which is obviously protruded in appearance is pulled out, and the anti-counterfeiting effect of the appearance is achieved.

Description

Threaded connection type anti-pulling upper cover

Technical Field

The utility model relates to the technical field of bottle caps, in particular to a threaded connection type anti-pulling upper cover.

Background

The bottle cap is an important ring of food and drink packages and is also the place where consumers first contact the product. The bottle cap has the function of keeping the sealing performance of the content product and also has the functions of preventing theft and opening and safety, so that the bottle cap is widely applied to bottled products, and is an upstream industry of food, beverage industry, wine, chemical industry and pharmaceutical industry, and is a key product for packaging bottle containers.

An existing bottle cap, such as a patent with publication number CN112758506A, is provided, wherein an outer cover and an inner cover are clamped in a pressing manner; when the bottle cap is heated, the connecting point is softened, and the outer cap can be pulled out of the inner cap with only small force at the moment without damaging the inner cap structure and the outer cap structure. When the outer cover is pulled out, the inner cover is rotated to replace the wine without damaging the damaged teeth on the outer cover, so that the wine can be counterfeited; meanwhile, the winning two-dimensional codes hidden in the outer cover and on the top of the inner cover can be scanned and exchanged.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide the threaded connection type anti-pulling upper cover, wherein the outer cover is in threaded connection with the inner cover, so that the outer cover is prevented from being separated from the inner cover in a pulling mode; simultaneously, the bottoms of the outer cover and the inner cover are clamped with the clamping table through the thinning annular groove, so that the outer cover is prevented from unscrewing from the inner cover; when the outer cover is forcibly screwed out, the buckling table directly damages the outer cover structure through the thinning annular groove, so that the outer cover is deformed at the thinning groove, and further the outer cover which is obviously protruded in appearance is pulled out, and the anti-counterfeiting effect of the appearance is achieved.

The aim of the utility model is realized by the following technical scheme:

the threaded connection type anti-pulling upper cover comprises an outer cover and an inner cover, wherein the outer cover is in threaded connection with the inner cover, a rotation stopping buckle is arranged at the lower position of the outer cover and the inner cover, and the rotation stopping buckle is used for limiting the axial movement of the inner cover and the outer cover.

Further, the anti-rotation buckle comprises a thinning annular groove and a buckle table, wherein the thinning annular groove is arranged on the inner wall of the outer cover, the buckle table is matched with the thinning annular groove, and the buckle table is arranged on the outer wall of the inner cover.

Further, the cross section of the thinning annular groove is in a direct triangle shape.

Further, the depth of the thinning annular groove is 2/3-3/4 of the thickness of the outer cover.

Further, the anti-rotation buckle comprises a first annular clamping table and a second annular clamping table, the first annular clamping table is coaxially arranged on the outer wall of the inner cover, the second annular clamping table is coaxially arranged on the inner wall of the outer cover, and the second annular clamping table is located below the first annular clamping table.

Further, the first annular clamping table and the second annular clamping table are of a central symmetry structure;

the first annular clamping table comprises a first guide part and a first straight line clamping part, and the second annular clamping table comprises a second guide part and a second straight line clamping part; the first guide part is parallel to the second guide part, and the second straight line clamping part is attached to the first straight line clamping part.

The beneficial effects of the utility model are as follows:

1) The outer cover and the inner cover are connected through threads, so that the outer cover is prevented from being separated from the inner cover in a drawing mode; simultaneously, the bottoms of the outer cover and the inner cover are clamped with the clamping table through the thinning annular groove, so that the outer cover is prevented from unscrewing from the inner cover; when the outer cover is forcibly screwed out, the buckling table directly damages the outer cover structure through the thinning annular groove, so that the outer cover is deformed at the thinning groove, and further the outer cover which is obviously protruded in appearance is pulled out, and the anti-counterfeiting effect of the appearance is achieved.

2) The first annular clamping table and the second annular clamping table are used for realizing axial limiting of the outer cover and the inner cover, meanwhile, the strength of the outer cover and the inner cover is not damaged, and the outer cover is screwed into the inner cover during assembly, so that the first guide part and the second guide part on the first annular clamping table and the second annular clamping table play a role in guiding, and the assembly is convenient.

Drawings

FIG. 1 is a cross-sectional view of a threaded connection type pull-out prevention cap according to embodiment 1 of the present utility model;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is a cross-sectional view of a threaded connection type pull-out prevention cap according to embodiment 2 of the present utility model

FIG. 4 is an enlarged schematic view of portion B of FIG. 3;

in the figure, 1, an outer cover; 2. an inner cover; 3. a rotation stopping buckle; 4. thinning the ring groove; 5. a clamping table; 6. the first annular clamping table; 7. the second annular clamping table; 8. a first guide part; 9. a first straight line clamping part; 10. a second guide part; 11. the second straight line clamping part.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

Referring to fig. 1-4, the present utility model provides a technical solution:

example 1:

as shown in fig. 1 and 2, a threaded connection type anti-pulling upper cover comprises an outer cover 1 and an inner cover 2, wherein the outer cover 1 and the inner cover 2 are in threaded connection, a rotation stopping buckle 3 is arranged at a position, which is close to the lower position, of the outer cover 1 and the inner cover 2, and the rotation stopping buckle 3 is used for limiting axial movement of the inner cover 2 and the outer cover 1.

The rotation stopping buckle 3 comprises a thinning annular groove 4 and a buckle table 5, the thinning annular groove 4 is arranged on the inner wall of the outer cover 1, the buckle table 5 is matched with the thinning annular groove 4, and the buckle table 5 is arranged on the outer wall of the inner cover 2.

The cross section of the thinning annular groove 4 is in a direct triangle shape.

The depth of the thinning annular groove 4 is 2/3-3/4 of the thickness of the outer cover 1.

Working principle: the outer cover 1 is in threaded connection with the inner cover 2, so that the outer cover is prevented from being separated from the inner cover 2 in a drawing mode; simultaneously, the bottoms of the outer cover 1 and the inner cover 2 are clamped with the buckling table 5 through the thinning annular groove 4, so that the outer cover 1 is prevented from unscrewing from the inner cover 2; when the outer cover 1 is forcibly screwed out, the buckling table 5 directly damages the structure of the outer cover 1 through the thinning groove 4, so that the outer cover 1 is deformed at the thinning groove, and further the outer cover 1 can be obviously protruded in appearance to be pulled, thereby playing the role of appearance anti-counterfeiting.

Example 2:

as shown in fig. 3 and 4, the difference between this embodiment and embodiment 1 is that the rotation stopping buckle 3 includes a first annular clamping seat 6 and a second annular clamping seat 7, the first annular clamping seat 6 is coaxially disposed on the outer wall of the inner cover 2, the second annular clamping seat 7 is coaxially disposed on the inner wall of the outer cover 1, and the second annular clamping seat 7 is located below the first annular clamping seat 6.

The first annular clamping table 6 and the second annular clamping table 7 are of a central symmetry structure;

the first annular clamping table 6 comprises a first guide part 8 and a first straight line clamping part 9, and the second annular clamping table 7 comprises a second guide part 10 and a second straight line clamping part 11; the first guiding part 8 is parallel to the second guiding part 10, and the second linear clamping part 11 is attached to the first linear clamping part 9.

The first annular clamping table 6 and the second annular clamping table 7 are used for realizing axial limiting of the outer cover 1 and the inner cover 2, meanwhile, the strength of the outer cover 1 and the inner cover 2 is not damaged, in addition, the outer cover 1 is screwed into the inner cover 2 during assembly, and the first guide part 8 and the second guide part 10 on the first annular clamping table 6 and the second annular clamping table 7 play a role in guiding, so that the assembly is convenient.

The foregoing is merely a preferred embodiment of the utility model, and it is to be understood that the utility model is not limited to the form disclosed herein but is not to be construed as excluding other embodiments, but is capable of numerous other combinations, modifications and environments and is capable of modifications within the scope of the inventive concept, either as taught or as a matter of routine skill or knowledge in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.

Claims (6)

1. Threaded connection prevents pulling out upper cover, including enclosing cover and inner cup, its characterized in that: the outer cover is in threaded connection with the inner cover, a rotation stopping buckle is arranged at the position, close to the lower position, of the outer cover and the inner cover, and the rotation stopping buckle is used for limiting axial movement of the inner cover and the outer cover.

2. The threaded connection anti-pull-out top cap of claim 1, wherein: the anti-rotation buckle comprises a thinning annular groove and a buckle table, wherein the thinning annular groove is arranged on the inner wall of the outer cover, the buckle table is matched with the thinning annular groove, and the buckle table is arranged on the outer wall of the inner cover.

3. The threaded connection anti-pull-out top cap of claim 2, wherein: the cross section of the thinning annular groove is in a direct triangle shape.

4. A threaded connection anti-pull-out top cap according to claim 3, wherein: the depth of the thinning annular groove is 2/3-3/4 of the thickness of the outer cover.

5. The threaded connection anti-pull-out top cap of claim 1, wherein: the anti-rotation buckle comprises a first annular clamping table and a second annular clamping table, wherein the first annular clamping table is coaxially arranged on the outer wall of the inner cover, the second annular clamping table is coaxially arranged on the inner wall of the outer cover, and the second annular clamping table is located below the first annular clamping table.

6. The threaded connection anti-pull-out top cap of claim 5, wherein: the first annular clamping table and the second annular clamping table are of a central symmetrical structure;

the first annular clamping table comprises a first guide part and a first straight line clamping part, and the second annular clamping table comprises a second guide part and a second straight line clamping part; the first guide part is parallel to the second guide part, and the second straight line clamping part is attached to the first straight line clamping part.