Anti-bending snap lid

Abstract

The utility model discloses an anti-bending easy-open lid, which belongs to the technical field of easy-open lids and comprises an end cover and a protective cover, the protective cover is buckled at the top of the end cover, a convex edge is arranged at the edge of the end cover, clamping convex rings are arranged on two sides of the convex edge, a protective ring matched with the convex edge is arranged at the edge of the protective cover, and the end cover is provided with an opening. A clamping ring groove matched with the clamping convex ring is formed in the inner wall of the protective ring, the protective ring is attached to the outer portion of the convex edge, the clamping convex ring is clamped in the clamping ring groove, an opening is formed in the surface of the end cover, an easy-to-tear piece is fixedly connected to the interior of the opening, a sealing piece is fixedly connected to the inner surface of the protective cover, and the sealing piece is fixedly connected to the outer surface of the protective cover. The sealing piece abuts against the periphery of the opening, and the sealing piece and the easy-to-tear piece are riveted through a connecting block. By arranging the protective cover, the protective cover can protect the end cover, so that the end cover is not prone to bending deformation, the end cover is prevented from being damaged, secondary sealing can be achieved, and repeated use is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of easy-pull covers, and in particular relates to an easy-pull cover with anti-bending function. Background Art

[0002] Easy-pull lids, also known as easy-open lids, are lids with pull rings used to seal cans and are metal packaging products. They are mostly made of aluminum or tinplate and come in a variety of sizes, suitable for iron cans, aluminum cans, composite cans, PET plastic cans, and paper cans.

[0003] The easy-open lid is a lid used for metal cans in the food canning industry. It is used to seal and open cans. It is defined as a lid with a pre-engraved score line of a certain depth and a riveted pull ring that can be safely torn open along the score line when opened. It is a better anti-counterfeiting bottle cap.

[0004] At present, the existing easy-open lid is easy to bend and deform when it is subjected to external collision during use, making the easy-open lid easy to be damaged. Moreover, the easy-open lid cannot be re-sealed after being opened, and cannot be used multiple times, which is very inconvenient. Utility Model Content

[0005] The purpose of the utility model is to provide an easy-open lid with anti-bending function to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an easy-pull lid with anti-bending properties, comprising an end cover and a protective cover, the protective cover is buckled on the top of the end cover, a convex edge is provided at the edge of the end cover, a clamping convex ring is provided on both sides of the convex edge, a retaining ring matched with the convex edge is provided at the edge of the protective cover, a clamping ring groove matched with the clamping convex ring is opened on the inner wall of the retaining ring, the retaining ring is fitted on the outside of the convex edge, and the clamping convex ring is clamped in the clamping ring groove;

[0007] The surface of the end cover is provided with an opening, the interior of the opening is fixedly connected with an easy-tear sheet, the inner surface of the protective cover is fixedly connected with a sealing sheet, the sealing sheet is tightly pressed around the opening, and the sealing sheet and the easy-tear sheet are riveted via a connecting block.

[0008] As a preferred embodiment, the upper end cross-section of the retaining ring is rounded.

[0009] As a preferred embodiment, a pull groove is reserved on the top surface of the protective cover, and a pull ring is riveted inside the pull groove.

[0010] As a preferred embodiment, a marking line is provided on a side of the end cover close to the opening, and a pointer is provided on a side of the protective cover close to the sealing sheet.

[0011] As a preferred embodiment, a receiving groove adapted to the tear sheet is provided on the top surface of the protective cover.

[0012] As a preferred implementation, an elastic blocking piece is provided on one side of the accommodating groove.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The easy-open lid with anti-bending function is provided with a protective cover. When the easy-open lid is subjected to external collision, the protective cover can protect the end cover, making it difficult for the end cover to bend and deform, thereby avoiding damage to the end cover.

[0015] The easy-open lid with anti-bending function can be snapped onto the protective cover through the cooperation of the snap-on convex ring and the snap-on ring groove. When the easy-open lid needs to be opened, the protective ring can be snapped off first to make the snap-on convex ring slide out of the snap-on ring groove, and then the pull ring is pulled hard to open the protective cover. At the same time, the sealing sheet peels the easy-tear sheet off from the opening through the connecting block. When performing secondary sealing, the protective cover only needs to be snapped onto the end cover so that the sealing sheet seals the opening, which is convenient for multiple uses. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 3 For the utility model Figure 2 Schematic diagram of the enlarged structure at point A in the middle.

[0019] In the figure: 1, end cap; 11, convex edge; 12, snap-fit ​​convex ring; 13, opening; 14, easy-tear sheet; 15, marking line; 2, protective cover; 21, guard ring; 22, snap-fit ​​ring groove; 23, sealing sheet; 24, connecting block; 25, easy-pull groove; 26, pull ring; 27, pointer; 28, accommodating groove; 29, elastic baffle. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with embodiments.

[0021] The following examples are used to illustrate the present invention, but cannot be used to limit the scope of protection of the present invention. The conditions in the examples can be further adjusted according to specific conditions, and simple improvements to the method of the present invention under the premise of the concept of the present invention are all within the scope of protection claimed by the present invention.

[0022] See also Figure 1-3The utility model provides an easy-open lid with anti-bending properties, comprising an end cover 1 and a protective cover 2, wherein the protective cover 2 is buckled on the top of the end cover 1. By setting the protective cover 2, when the easy-open lid is subjected to external collision, the protective cover 2 can protect the end cover 1, so that the end cover 1 is not easy to bend and deform, thereby avoiding damage to the end cover 1. A convex edge 11 is provided at the edge of the end cover 1, and a guard ring 21 matched with the convex edge 11 is provided at the edge of the protective cover 2. The guard ring 21 is attached to the outside of the convex edge 11. By setting the guard ring 21, the edge of the end cover 1 can be reinforced and protected.

[0023] Specifically, the cross section of the upper end of the retaining ring 21 is rounded, which can further improve the bending resistance of the retaining ring 21 and make the retaining ring 21 less likely to deform when subjected to force.

[0024] Reference Figure 1 and Figure 3 The surface of the end cover 1 is provided with an opening 13, and an easy-tear sheet 14 is fixedly connected inside the opening 13. A snap-fitting convex ring 12 is provided on both sides of the convex edge 11. A snap-fitting ring groove 22 adapted to the snap-fitting convex ring 12 is provided on the inner wall of the retaining ring 21. The snap-fitting convex ring 12 is snapped into the snap-fitting ring groove 22. A sealing sheet 23 is fixedly connected to the inner surface of the protective cover 2. The sealing sheet 23 is tightly pressed around the opening 13, and the sealing sheet 23 and the easy-tear sheet 14 are riveted by a connecting block 24. An easy-tear groove 25 is reserved on the top surface of the protective cover 2. The easy-tear groove 25 5 is riveted with a pull ring 26, and the protective cover 2 can be clamped by the cooperation of the clamping protruding ring 12 and the clamping ring groove 22. When the easy-pull cover needs to be opened, the retaining ring 21 can be buckled first to make the clamping protruding ring 12 slide out of the clamping ring groove 22, and then the pull ring 26 is pulled hard to open the protective cover 2. At the same time, the sealing sheet 23 opens the easy-tear sheet 14 from the opening 13 through the connecting block 24. When the secondary sealing is performed, the protective cover 2 only needs to be buckled on the end cover 1 so that the sealing sheet 23 seals the opening 13, which can be convenient for multiple uses.

[0025] Specifically, a marking line 15 is provided on one side of the end cover 1 close to the opening 13, and a pointer 27 is provided on one side of the protective cover 2 close to the sealing sheet 23. By setting the marking line 15 and the pointer 27, when the protective cover 2 is buckled, the pointer 27 can be observed to be aligned with the marking line 15, and the sealing sheet 23 can be aligned with the opening 13 for sealing, which is convenient to use.

[0026] Reference Figure 1 and Figure 2 The top surface of the protective cover 2 is provided with a receiving groove 28 adapted to the easy-tear sheet 14, and an elastic blocking sheet 29 is provided on one side of the receiving groove 28. By providing the receiving groove 28 and the elastic blocking sheet 29, after the protective cover 2 is opened, the easy-tear sheet 14 can be repeatedly bent to separate the easy-tear sheet 14 from the sealing sheet 23, and then the easy-tear sheet 14 can be placed in the receiving groove 28 and fixed with the elastic blocking sheet 29, so as to facilitate the storage of the easy-tear sheet 14.

[0027] The working principle and use process of the utility model are as follows: firstly, by setting the protective cover 2, when the easy-open cover is subjected to external collision, the protective cover 2 can protect the end cover 1, so that the end cover 1 is not easy to bend and deform, and damage to the end cover 1 is avoided; the protective cover 2 can be clamped by the cooperation of the clamping protrusion 12 and the clamping ring groove 22; when the easy-open cover needs to be opened, the protective ring 21 can be buckled first to make the clamping protrusion 12 slide out of the clamping ring groove 22; then the pull ring 26 is pulled hard to open the protective cover 2; at the same time, the sealing sheet 23 opens the easy-tear sheet 14 from the opening 13 through the connecting block 24; during the secondary sealing, it is only necessary to buckle the protective cover 2 on the end cover 1 so that the sealing sheet 23 seals the opening 13, which can be conveniently used multiple times.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A foldable lid with anti-bending properties, comprising an end cover (1) and a protective cover (2), characterized in that: The protective cover (2) is buckled on the top of the end cover (1); a convex edge (11) is provided at the edge of the end cover (1); both sides of the convex edge (11) are provided with snap-fitting convex rings (12); a retaining ring (21) adapted to the convex edge (11) is provided at the edge of the protective cover (2); a snap-fitting ring groove (22) adapted to the snap-fitting convex ring (12) is provided on the inner wall of the retaining ring (21); the retaining ring (21) is fitted on the outside of the convex edge (11); and the snap-fitting convex ring (12) is snap-fitted in the snap-fitting ring groove (22); The surface of the end cover (1) is provided with an opening (13), the interior of the opening (13) is fixedly connected with an easy-to-tear sheet (14), the inner surface of the protective cover (2) is fixedly connected with a sealing sheet (23), the sealing sheet (23) is tightly pressed around the opening (13), and the sealing sheet (23) and the easy-to-tear sheet (14) are riveted via a connecting block (24).

2. The easy-open lid with anti-bending properties according to claim 1, characterized in that: The upper end cross section of the retaining ring (21) is rounded.

3. The easy-open lid with anti-bending properties according to claim 1, characterized in that: An easy-to-pull groove (25) is reserved on the top surface of the protective cover (2), and a pull ring (26) is riveted inside the easy-to-pull groove (25).

4. The easy-open lid with anti-bending properties according to claim 1, characterized in that: A marking line (15) is provided on one side of the end cover (1) close to the opening (13), and a pointer (27) is provided on one side of the protective cover (2) close to the sealing sheet (23).

5. The easy-open lid with anti-bending properties according to claim 1, characterized in that: The top surface of the protective cover (2) is provided with a receiving groove (28) adapted to the tear-away sheet (14).

6. The easy-open lid with anti-bending properties according to claim 5, characterized in that: An elastic blocking sheet (29) is provided on one side of the accommodating groove (28).

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