CN215156585U - High-strength high-pressure-resistant easy-to-open wide-surface aluminum easy-to-open cover - Google Patents

Abstract

The utility model discloses a wide face aluminium matter easy-open end that high strength high pressure resistant was easily opened, including lid and pull ring, be equipped with annular score line on the lid, annular score line sets up and constitutes a lid of drawing along the capping edge on the lid, and the riveting of pull ring is held through rivet and the edge riveting of drawing the lid to the end of opening of pull ring is just right with annular score line, its characterized in that: the pull cap comprises a central capping, an annular concave-convex surface and an annular reinforcing rib, the annular concave-convex surface is arranged around the periphery of the central capping, the annular reinforcing rib is arranged at the outer edge of the annular concave-convex surface, the annular concave-convex surface comprises a plurality of annular concave surfaces and a plurality of annular convex surfaces, and the annular concave surfaces and the annular convex surfaces are arranged at intervals from inside to outside in sequence. The wide-surface aluminum easy-open lid has high strength and pressure resistance, is not easy to tear under stress, and can effectively ensure the safety of the easy-open can product in the processes of packaging, transportation and storage.

Description

High-strength high-pressure-resistant easy-to-open wide-surface aluminum easy-to-open cover

Technical Field

The utility model relates to an easy-open end, in particular to wide-face aluminum easy-open end that high strength is high pressure resistant and is easily opened.

Background

The existing easy-open lid generally comprises a lid body and a pull ring, wherein an annular score line is generally arranged on the lid body, in the full-open type easy-open lid, the annular score line is arranged on the lid body along the edge of a lid surface and forms a pull lid, the pull ring is riveted with the edge of the pull lid through a rivet, and the opening end of the pull ring is just opposite to the annular score line. When the pull ring is pulled upwards, the opening end of the pull ring supports against the annular score line downwards to tear the annular score line at the point, and the pull cover is torn along the annular score line and completely separated from the cover body in the upward pulling process, so that the opening of the cover body is exposed, and the materials in the easy-open can are poured out conveniently.

In order to improve the strength of the surface of the easy-open end, a plurality of reinforcing ribs are usually additionally arranged on the surface of the easy-open end in the production process of the easy-open end at present, the reinforcing ribs are usually of a structure with a circular arc-shaped cross section, the reinforcing ribs of the structure are simple to manufacture, and the strength of the easy-open end can be improved to a certain degree. However, when the reinforcing rib with such a structure is stressed, the stress point is usually the highest point of the reinforcing rib, and the stress is concentrated on one point and is difficult to disperse, so that the easy-open lid is easy to deform greatly, and the easy-open lid is torn along the annular score line when stressed.

Disclosure of Invention

The utility model aims to solve the technical problem that a wide aluminium matter easy-open end that high strength high pressure resistant was easily opened is provided, and this kind of wide aluminium matter easy-open end's intensity and pressure-resistant ability are high, are difficult for tearing when the atress, can effectively ensure the safety of easy open can product in encapsulation, transportation and storage process.

In order to solve the technical problems, the technical scheme is as follows:

high-strength high-pressure-resistant wide-face aluminum easy-open cover easy to open comprises a cover body and a pull ring, wherein an annular score line is arranged on the cover body, the annular score line is arranged on the cover body along the edge of the cover face and forms a pull cover, the riveting end of the pull ring is riveted with the edge of the pull cover through a rivet, and the opening end of the pull ring is right opposite to the annular score line, and the wide-face aluminum easy-open cover is characterized in that: the pull cap comprises a central capping, an annular concave-convex surface and an annular reinforcing rib, the annular concave-convex surface is arranged around the periphery of the central capping, the annular reinforcing rib is arranged at the outer edge of the annular concave-convex surface, the annular concave-convex surface comprises a plurality of annular concave surfaces and a plurality of annular convex surfaces, and the annular concave surfaces and the annular convex surfaces are arranged at intervals from inside to outside in sequence.

Among the above-mentioned wide face aluminium system easy open end, will draw the lid to set to the structure that central capping and annular concavo-convex face combined together, annular concave surface and annular convex surface in the annular concavo-convex face can constitute the strengthening rib at the lower surface and the upper surface of drawing the lid respectively, thereby the intensity of lid is drawn in the reinforcing, when drawing lid surface pressurized, can be jointly with the atress dispersion for each annular concave surface or annular convex surface of planar structure, consequently draw lid upper surface and lower surface all to have better compressive property, can ensure the safety of easy open can product in the encapsulation, transportation and storage process better. Simultaneously, set up annular strengthening rib at the edge of drawing the lid, can promote the intensity of drawing the lid in annular score line department, avoid drawing the lid in encapsulation, transportation and storage process and appear tearing the condition along annular score line. Generally, when the surface at the innermost side of the annular concave-convex surface is the annular convex surface, the central cover surface is a lower concave surface which is the same as the annular concave surface; when the surface at the innermost side of the annular concave-convex surface is the annular concave surface, the central cover surface is a convex surface which is the same as the annular convex surface.

In a preferable scheme, the annular concave-convex surface further comprises a plurality of annular inclined surfaces, adjacent annular concave surfaces are connected with the annular convex surfaces through the annular inclined surfaces, the gradient of each annular inclined surface is 10-15 degrees, and the height difference between the annular concave surfaces and the annular convex surfaces is 0.2-0.5 mm. Through the arrangement, the cross sections of the annular concave surfaces and the annular convex surfaces are trapezoidal, so that the strength of the cover surface can be further enhanced, the cover surface has better pressure resistance, and the pull cover is not easy to deform.

In the preferred scheme, the pull cover is further provided with a pull ring convex position and a pull ring concave position, the pull ring convex position extends from the riveting end of the pull ring to the middle of the opening end of the pull ring, and the pull ring concave position corresponds to the rear position of the opening end of the pull ring. The convex position of the pull ring can slightly lift the pull ring, so that the rear part of the opening end of the pull ring and the concave position of the pull ring form a finger position for fingers to extend into.

In a preferable scheme, the distance between the annular reinforcing rib and the annular score line is 1-2 mm.

In a preferred scheme, the lid body is further provided with a tab score line, and the tab score line comprises a first score line arranged around the lower edge of the riveting end of the tab and two second score lines extending from two ends of the first score line to the outside of the tab. When pulling open the lid through the pull ring, set up the pull ring score line and can make the front end of pull ring insert around the riveting end more easily, make the pull ring change and will pull open the lid to guarantee that the pull ring can not split when pulling open.

In a preferable scheme, the cross section of the annular reinforcing rib is circular arc.

In a preferred scheme, the cover surface of the cover body is integrally formed in a stamping mode. The central cover surface, the annular concave-convex surface and the annular reinforcing ribs can be directly formed during stamping.

The beneficial effects of the utility model reside in that: the wide-surface aluminum easy-open lid has high strength and pressure resistance, is not easy to tear along the annular score line when stressed, and can effectively ensure the safety of the easy-open can product in the processes of packaging, transporting and storing.

Drawings

FIG. 1 is a top view of an embodiment of the present invention, illustrating a wide aluminum easy open end;

FIG. 2 is a cross-sectional view taken along direction A of FIG. 1;

FIG. 3 is a bottom view of the aluminum easy open end with wide surface in the embodiment of the present invention.

Detailed Description

The invention will be further described with reference to the following drawings and specific embodiments:

1-3, the high-strength, high-pressure resistant and easy-to-open wide-face aluminum easy-to-open lid comprises a lid body 1 and a tab 2, wherein the lid body 1 is provided with an annular score line 101 and a tab score line 102, the annular score line 101 is arranged on the lid body 1 along the edge of the lid face and forms a tab 103, the riveting end of the tab 2 is riveted with the edge of the tab 103 through a rivet, the opening end of the tab 2 is opposite to the annular score line 101, and the tab score line 102 comprises a first score line 1021 arranged around the lower edge of the riveting end of the tab 2 and two second score lines 1022 extending from the two ends of the first score line 1021 to the outside of the tab 2; the pull cover 103 comprises a central cover surface 1031, an annular concave-convex surface 1032 and an annular reinforcing rib 1033, wherein the annular concave-convex surface 1032 surrounds the central cover surface 1031, the annular reinforcing rib 1033 is arranged at the outer edge of the annular concave-convex surface 1032, and the cross section of the annular reinforcing rib 1033 is arc-shaped; the annular concave-convex surface 1032 comprises a plurality of annular concave surfaces 10321, a plurality of annular convex surfaces 10322 and a plurality of annular inclined surfaces 10323, the annular concave surfaces 10321 and the annular convex surfaces 10322 are sequentially arranged from inside to outside at intervals, the adjacent annular concave surfaces 10321 and the adjacent annular convex surfaces 10322 are connected through the annular inclined surfaces 10323, the gradient of the annular inclined surfaces 10323 is 10 degrees, and the height difference between the annular concave surfaces 10321 and the annular convex surfaces 10322 is 0.2 mm.

In the above-mentioned wide-face aluminum easy open lid, the pull lid 103 is set to a structure combining the central lid 1031 and the annular concave-convex surface 1032, the annular concave surface 10321 and the annular convex surface 10322 in the annular concave-convex surface 1032 can respectively form a reinforcing rib on the lower surface and the upper surface of the pull lid 103, the cross sections of the annular concave surface 10321 and the annular convex surface 10322 are both trapezoidal, so as to enhance the strength of the pull lid 103, when the surface of the pull lid 103 is pressed, the stress can be dispersed by the annular concave surface 10321 or the annular convex surface 10322 which are planar structures, so the upper surface and the lower surface of the pull lid 103 both have good pressure resistance, and the pull lid 103 is not easily deformed when being pressed; the safety of the pop can products in the processes of packaging, transporting and storing can be better guaranteed. Meanwhile, the annular reinforcing rib 1033 is arranged at the edge of the pull cover 103, so that the strength of the pull cover 103 at the annular score line 101 can be improved, and the condition that the pull cover 103 is torn along the annular score line 101 in the packaging, transporting and storing processes is avoided. When the pull cap 103 is pulled open by the pull ring 2, the front end of the pull ring 2 can be inserted around the riveted end more easily by setting the pull ring score line 102, so that the pull cap 103 is pulled open more easily by the pull ring 2, and the pull ring 2 is ensured not to be broken when being pulled open.

The pull cover 103 is further provided with a pull ring convex position 1034 and a pull ring concave position 1035, the pull ring convex position 1034 extends from the riveting end of the pull ring 2 to the middle part of the opening end of the pull ring 2, and the pull ring concave position 1035 corresponds to the rear part of the opening end of the pull ring 2. The tab protrusion 1034 lifts the tab 2 slightly so that the rear of the opening end of the tab 2 and the tab recess 1035 form a finger position into which a finger can be inserted.

The distance between the annular bead 1033 and the annular score line 101 is 1 mm.

The cover surface of the cover body 1 is integrally formed by punching. The central cover surface 1031, the annular concave-convex surface 1032 and the annular reinforcing rib 1033 may be directly formed during stamping.

Claims (7)

1. High-strength high-pressure-resistant wide-face aluminum easy-open cover easy to open comprises a cover body and a pull ring, wherein an annular score line is arranged on the cover body, the annular score line is arranged on the cover body along the edge of the cover face and forms a pull cover, the riveting end of the pull ring is riveted with the edge of the pull cover through a rivet, and the opening end of the pull ring is right opposite to the annular score line, and the wide-face aluminum easy-open cover is characterized in that: the pull cap comprises a central capping, an annular concave-convex surface and an annular reinforcing rib, the annular concave-convex surface is arranged around the periphery of the central capping, the annular reinforcing rib is arranged at the outer edge of the annular concave-convex surface, the annular concave-convex surface comprises a plurality of annular concave surfaces and a plurality of annular convex surfaces, and the annular concave surfaces and the annular convex surfaces are arranged at intervals from inside to outside in sequence.

2. The high-strength high-pressure resistant easy-open wide-faced aluminum easy-open lid as claimed in claim 1, wherein: the annular concave-convex surface further comprises a plurality of annular inclined surfaces, adjacent annular concave surfaces are connected with the annular convex surfaces through the annular inclined surfaces, the gradient of each annular inclined surface is 10-15 degrees, and the height difference between the annular concave surfaces and the annular convex surfaces is 0.2-0.5 mm.

3. The high-strength high-pressure resistant easy-open wide-faced aluminum easy-open lid as claimed in claim 1, wherein: the pull cover is also provided with a pull ring convex position and a pull ring concave position, the pull ring convex position extends from the riveting end of the pull ring to the middle part of the opening end of the pull ring, and the pull ring concave position corresponds to the rear part of the opening end of the pull ring.

4. The high-strength high-pressure resistant easy-open wide-faced aluminum easy-open lid as claimed in claim 1, wherein: the distance between the annular reinforcing rib and the annular cutting line is 1-2 mm.

5. The high-strength high-pressure resistant easy-open wide-faced aluminum easy-open lid as claimed in claim 1, wherein: still be equipped with the pull ring score line on the lid, the pull ring score line includes the first score line that sets up along the riveting of pull ring end down to and follow two second score lines that first score line both ends extend to the pull ring outside.

6. The high-strength high-pressure resistant easy-open wide-faced aluminum easy-open lid as claimed in claim 1, wherein: the cross section of the annular reinforcing rib is arc-shaped.

7. The high-strength high-pressure resistant easy-open wide-faced aluminum easy-open lid as claimed in claim 1, wherein: the cover surface of the cover body is integrally formed in a punching mode.

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